/* roulang page: index */
:root{
  --bg-0:#0B0912;
  --bg-1:#141221;
  --bg-2:#1C1930;
  --primary:#6E5BFF;
  --primary-deep:#4C3BD6;
  --accent:#DDF247;
  --accent-2:#FF4D9D;
  --accent-3:#24E0C0;
  --text:#F5F3FF;
  --text-2:#B4AECB;
  --text-3:#7B7590;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --error:#FF6B6B;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-badge:6px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 20px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(110,91,255,.4), 0 0 28px rgba(110,91,255,.28);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;background:var(--bg-0);color:var(--text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:16px;line-height:1.85;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease)}
a:hover{color:var(--accent)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--text)}
p{margin:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:rgba(110,91,255,.4);color:#fff}
.num{font-family:'Barlow','Noto Sans SC',sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg-1)}
.section--soft::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 85% 0%,rgba(110,91,255,.12),transparent 65%);pointer-events:none}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;position:relative}
.section-head h2{font-size:clamp(24px,3.2vw,34px)}
.section-head .sub{color:var(--text-2);font-size:14px;margin-top:10px;max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(110,91,255,.14);border:1px solid rgba(110,91,255,.35);color:#C9C1FF;font-size:13px;letter-spacing:.02em}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:700;white-space:nowrap}
.link-more i{transition:transform 200ms var(--ease)}
.link-more:hover i{transform:translateX(3px)}
.divider-glow{height:2px;width:64px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:18px 0 0}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform 200ms var(--ease),background 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease),color 200ms var(--ease)}
.btn-accent{background:var(--accent);color:#0B0912}
.btn-accent:hover{background:#E9FA6C;color:#0B0912;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(221,242,71,.45),0 0 28px rgba(221,242,71,.3)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(110,91,255,.65);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(110,91,255,.14);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#7E6DFF;color:#fff;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;box-shadow:none}

/* 徽章 */
.badge-pill{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge-primary{background:rgba(110,91,255,.14);color:#B6ABFF}
.badge-accent{background:var(--accent);color:#0B0912}
.badge-pink{background:rgba(255,77,157,.16);color:#FF8DBF}
.badge-cyan{background:rgba(36,224,192,.14);color:#5CEBD5}

/* 顶栏 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(11,9,18,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(110,91,255,.8),rgba(36,224,192,.7),transparent);opacity:.75;pointer-events:none}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;font-size:17px;box-shadow:0 0 18px rgba(110,91,255,.5)}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.06em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:9px 15px;border-radius:999px;font-size:15px;color:var(--text-2);white-space:nowrap}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:-3px;transform:translateX(-50%);width:22px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(221,242,71,.85)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);cursor:pointer;padding:0;position:relative}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--text);border-radius:2px;transition:transform 240ms var(--ease),opacity 200ms var(--ease)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:1050;background:rgba(11,9,18,.98);display:flex;flex-direction:column;padding:18px 20px 32px;
  transform:translateY(-100%);transition:transform 320ms var(--ease);overflow-y:auto;visibility:hidden}
.drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text);font-size:18px;cursor:pointer}
.drawer-nav{margin-top:12px;display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--accent)}
.drawer-nav a i{color:var(--text-3);font-size:14px}
.drawer-cta{margin-top:26px}

/* Hero */
.hero{position:relative;padding:76px 0 68px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 420px at 10% -5%,rgba(110,91,255,.22),transparent 62%),
             radial-gradient(720px 360px at 95% 8%,rgba(36,224,192,.10),transparent 60%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy .eyebrow{margin-bottom:22px}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em}
.hero-sub{margin-top:16px;color:var(--text-2);font-size:17px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px;max-width:540px}
.metric{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.metric b{display:block;font-size:17px;font-weight:800;color:var(--text)}
.metric span{font-size:12px;color:var(--text-3);letter-spacing:.02em}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--bg-1)}
.hero-visual img{width:100%;height:100%;min-height:340px;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,9,18,0) 38%,rgba(11,9,18,.78) 100%);pointer-events:none}
.hero-grid-lines{position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:38px 38px}
.hero-visual-cap{position:absolute;left:20px;bottom:20px;right:20px;z-index:2;display:flex;align-items:center;gap:12px}
.hero-visual-cap .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-3);box-shadow:0 0 12px rgba(36,224,192,.9);flex:none}
.hero-visual-cap span{font-size:13px;color:var(--text-2)}

/* 快捷入口条 */
.quickbar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-item{display:flex;align-items:center;gap:14px;min-height:96px;padding:20px 22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--bg-1),rgba(28,25,48,.55));
  transition:transform 200ms var(--ease),background 200ms var(--ease)}
.quick-item:hover{transform:translateY(-4px);background:linear-gradient(180deg,#191634,rgba(28,25,48,.7))}
.quick-item i{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;font-size:17px;
  background:rgba(110,91,255,.16);color:#A99BFF;box-shadow:0 0 22px rgba(110,91,255,.32)}
.quick-item strong{display:block;font-size:16px}
.quick-item em{display:block;font-style:normal;font-size:12.5px;color:var(--text-3);margin-top:2px}

/* 阶梯 */
.stairs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end}
.stair{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease)}
.stair:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stair:nth-child(1){min-height:250px}
.stair:nth-child(2){min-height:290px}
.stair:nth-child(3){min-height:330px}
.stair:nth-child(4){min-height:372px;border-color:rgba(221,242,71,.55);box-shadow:var(--glow)}
.stair.featured::before{content:"";position:absolute;top:16px;right:16px;width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px rgba(221,242,71,.95)}
.stair-num{font-family:'Barlow',sans-serif;font-size:54px;font-weight:800;line-height:1;letter-spacing:-.04em;color:rgba(110,91,255,.3)}
.stair:nth-child(4) .stair-num{color:rgba(221,242,71,.45)}
.stair h3{font-size:19px;margin-top:14px}
.stair ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.stair li{position:relative;padding-left:18px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.stair li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px rgba(110,91,255,.7)}
.stair:nth-child(4) li::before{background:var(--accent);box-shadow:0 0 8px rgba(221,242,71,.7)}

/* 对比表 */
.compare-card{background:var(--bg-1);border:1px solid var(--line);border-radius:20px;padding:6px;box-shadow:var(--shadow-1)}
.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px}
table.compare{width:100%;min-width:760px;border-collapse:separate;border-spacing:0}
table.compare th,table.compare td{padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);vertical-align:top}
table.compare thead th{background:var(--bg-2);color:var(--text);font-weight:700;font-size:15px}
table.compare thead th:first-child{border-top-left-radius:14px}
table.compare thead th:last-child{border-top-right-radius:14px}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:nth-child(even){background:rgba(255,255,255,.015)}
table.compare tbody th{font-weight:700;color:var(--text);font-size:14px;background:transparent}
table.compare td{color:var(--text-2)}
.col-recommend{background:rgba(110,91,255,.1);box-shadow:inset 0 0 0 1px rgba(110,91,255,.35)}
thead .col-recommend{background:rgba(110,91,255,.22);box-shadow:inset 0 0 0 1px rgba(110,91,255,.5)}
.scroll-hint{display:none;margin-top:12px;font-size:12.5px;color:var(--text-3);text-align:center}

/* 限时条 */
.band{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(90deg,rgba(255,77,157,.16),rgba(110,91,255,.14) 48%,rgba(11,9,18,0) 100%);
  border:1px solid rgba(255,77,157,.35);border-radius:18px;padding:24px 30px}
.band h3{font-size:20px}
.band p{color:var(--text-2);font-size:13.5px;margin-top:6px}
.band-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.countdown{display:flex;align-items:center;gap:6px}
.cd-block{min-width:52px;padding:8px 10px;text-align:center;background:rgba(11,9,18,.7);border:1px solid rgba(255,77,157,.4);border-radius:10px;font-size:22px;font-weight:800;color:#FF8DBF}
.cd-sep{color:rgba(255,141,191,.7);font-weight:800}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease)}
.news-card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.6);box-shadow:var(--shadow-2)}
.news-cover{aspect-ratio:16/9;background:var(--bg-1);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-body h3{color:var(--accent)}
.news-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;border-top:1px solid var(--line)}
.empty-state{grid-column:1/-1;border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-card);padding:52px 24px;text-align:center;background:rgba(255,255,255,.02)}
.empty-state i{font-size:26px;color:var(--text-3);display:block;margin-bottom:14px}
.empty-state p{color:var(--text-2);font-size:14.5px}
.empty-state a{display:inline-flex;align-items:center;gap:6px;margin-top:12px;color:var(--accent);font-size:14px;font-weight:700}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;background:var(--accent);opacity:0;transition:opacity 220ms var(--ease)}
.faq-item.open::before{opacity:1}
.faq-q{width:100%;background:none;border:0;text-align:left;color:var(--text);font-size:17px;font-weight:700;
  padding:22px 46px 22px 18px;cursor:pointer;line-height:1.6;transition:color 200ms var(--ease)}
.faq-q:hover{color:var(--accent)}
.faq-icon{position:absolute;right:14px;top:26px;width:22px;height:22px;pointer-events:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform 240ms var(--ease),background 240ms var(--ease),opacity 200ms var(--ease)}
.faq-icon::before{left:2px;right:2px;top:10px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:10px;width:2px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-icon::before{background:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a p{padding:0 46px 24px 18px;color:var(--text-2);font-size:15px;line-height:1.85}

/* 咨询表单 */
.consult{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.trust-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.trust-list i{width:26px;height:26px;flex:none;border-radius:8px;display:grid;place-items:center;font-size:12px;
  background:rgba(36,224,192,.14);color:var(--accent-3);margin-top:2px}
.form-card{background:var(--bg-1);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select,.field textarea{width:100%;background:#12101D;border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--text);padding:12px 14px;font-size:15px;line-height:1.6;outline:none;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease)}
.field input::placeholder,.field textarea::placeholder{color:#5C5670}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(110,91,255,.22);background:#15122a}
.field textarea{min-height:118px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8C86A6 50%),linear-gradient(135deg,#8C86A6 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:44px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);line-height:1.7}
.check input{width:16px;height:16px;margin-top:4px;flex:none;accent-color:var(--primary)}
.form-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-msg{display:none;margin-top:14px;font-size:13px;color:var(--accent)}
.form-msg.show{display:block}
.form-msg.err{color:var(--error)}

/* 页脚 */
.site-footer{background:#090711;border-top:1px solid var(--line);padding-top:68px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-desc{color:var(--text-2);font-size:14px;max-width:340px}
.footer-col h4{font-size:14px;color:var(--text-2);font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--accent)}
.footer-col li span{font-size:14px;color:var(--text-3)}
.footer-bottom{margin-top:56px;border-top:1px solid var(--line);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

@media (max-width:1199.98px){
  .hero-grid{gap:40px}
  .stairs{grid-template-columns:repeat(2,1fr)}
  .stair:nth-child(1),.stair:nth-child(2),.stair:nth-child(3),.stair:nth-child(4){min-height:auto}
  .quickbar{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  :root{--nav-h:60px}
  .main-nav{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn-accent{display:none}
  .hero{padding:56px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{min-height:260px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .consult{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scroll-hint{display:block}
}
@media (max-width:767.98px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .band{padding:20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  body{font-size:15px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .hero-metrics{grid-template-columns:1fr 1fr}
  .hero-metrics .metric:last-child{grid-column:span 2}
  .quickbar{grid-template-columns:1fr}
  .stairs{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .brand-text em{display:none}
  .cd-block{min-width:44px;font-size:19px}
  .btn{height:46px;padding:0 22px}
}

/* roulang page: article */
:root{
  --bg-0:#0B0912;
  --bg-1:#141221;
  --bg-2:#1C1930;
  --primary:#6E5BFF;
  --primary-deep:#4C3BD6;
  --accent:#DDF247;
  --accent-2:#FF4D9D;
  --accent-3:#24E0C0;
  --link:#A395FF;
  --text-1:#F5F3FF;
  --text-2:#B4AECB;
  --text-3:#7B7590;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-badge:6px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 20px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(110,91,255,.4),0 0 28px rgba(110,91,255,.28);
  --ease:cubic-bezier(.2,.8,.2,1);
  --font-cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Barlow','Noto Sans SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(760px 460px at 12% -6%,rgba(110,91,255,.20),transparent 70%),
    radial-gradient(620px 400px at 96% 0%,rgba(36,224,192,.09),transparent 72%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--text-1)}
p{margin:0}
ul,ol{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:rgba(221,242,71,.28);color:#fff}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,9,18,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(110,91,255,.75),rgba(221,242,71,.55),transparent);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:15px;
  box-shadow:0 0 0 1px rgba(110,91,255,.45),0 0 20px rgba(110,91,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:8px 14px;border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px rgba(221,242,71,.8);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-1);font-size:16px;align-items:center;justify-content:center;
  transition:background .2s var(--ease)
}
.nav-toggle:hover{background:rgba(255,255,255,.1)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-size:15px;font-weight:600;
  border-radius:var(--radius-pill);padding:12px 26px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),
             background .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn i{font-size:13px}
.btn-primary{background:var(--accent);color:#12100F;box-shadow:0 0 0 1px rgba(221,242,71,.35)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 28px rgba(221,242,71,.22)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;color:var(--text-1);box-shadow:inset 0 0 0 1px rgba(110,91,255,.65)}
.btn-ghost:hover{background:rgba(110,91,255,.14);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;
  background:rgba(9,7,15,.98);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  display:flex;flex-direction:column;
  padding:18px 20px 40px;
  transform:translateX(100%);visibility:hidden;
  transition:transform .28s var(--ease),visibility .28s var(--ease);
}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;margin-bottom:6px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-1);font-size:16px;
}
.drawer-close:hover{background:rgba(255,255,255,.12)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:18px;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--accent)}
.drawer-link.active{color:var(--accent)}
.drawer-link i{font-size:13px;color:var(--text-3)}
.drawer-cta{margin-top:26px}

/* ---------- Article ---------- */
.article-main{padding:36px 0 88px}
.breadcrumb-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:26px;
}
.breadcrumb-bar a{color:var(--text-2)}
.breadcrumb-bar a:hover{color:var(--accent)}
.breadcrumb-bar .sep{color:rgba(255,255,255,.22)}
.breadcrumb-bar .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-shell{
  max-width:860px;margin:0 auto;
  background:linear-gradient(180deg,rgba(28,25,48,.9),rgba(20,18,33,.92));
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-1);
  padding:44px 44px 40px;
}
.article-shell::before{
  content:"";display:block;width:64px;height:2px;border-radius:2px;margin:-8px 0 26px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.article-head{max-width:780px;margin:0 auto 30px}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.3;margin:16px 0 18px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:5px 12px;
  border-radius:var(--radius-badge);letter-spacing:.02em;
}
.badge-cat{background:rgba(110,91,255,.14);color:#B0A4FF;box-shadow:inset 0 0 0 1px rgba(110,91,255,.32)}
.badge-live{background:rgba(255,77,157,.16);color:#FF86BD;box-shadow:inset 0 0 0 1px rgba(255,77,157,.32)}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
}
.article-meta i{margin-right:5px;color:var(--text-3);font-size:12px}
.article-meta .dot{color:rgba(255,255,255,.22)}
.article-body{max-width:780px;margin:0 auto;font-size:17px;color:var(--text-2)}
.article-body p{font-size:17px;line-height:1.9;color:var(--text-2);margin:0 0 20px}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.6vw,28px);
  color:var(--text-1);
  margin:36px 0 14px;
  padding-left:16px;
  line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{font-size:20px;color:var(--text-1);margin:28px 0 12px;font-weight:700}
.article-body h4{font-size:17px;color:var(--text-1);margin:22px 0 10px;font-weight:700}
.article-body ul,.article-body ol{
  font-size:17px;line-height:1.9;color:var(--text-2);
  margin:0 0 22px;padding-left:22px;
}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--accent)}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body a{color:var(--link);border-bottom:1px solid rgba(163,149,255,.4)}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(221,242,71,.6)}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  border-left:3px solid var(--primary);
  background:rgba(110,91,255,.10);
  border-radius:0 12px 12px 0;
  color:var(--text-1);font-size:16.5px;line-height:1.85;
}
.article-body blockquote p{margin:0;color:var(--text-1);font-size:16.5px}
.article-body img{
  width:100%;border-radius:var(--radius-img);
  margin:10px 0 6px;background:var(--bg-1);
  transition:transform .3s var(--ease);
}
.article-body img:hover{transform:scale(1.01)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:15px;border-radius:12px;overflow:hidden;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 16px;text-align:left;color:var(--text-2);
}
.article-body th{background:rgba(255,255,255,.045);color:var(--text-1);font-weight:600}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.018)}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body code{
  font-family:var(--font-num);font-size:14px;
  background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;color:var(--accent-3);
}
.article-foot{
  max-width:780px;margin:52px auto 0;padding-top:34px;
  border-top:1px solid var(--line);
}
.article-foot h2{font-size:19px;margin-bottom:6px}
.article-foot .foot-sub{font-size:13px;color:var(--text-3);margin-bottom:20px}
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.reco-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px;border-radius:var(--radius-card);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.reco-card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.5);box-shadow:var(--shadow-1)}
.reco-card .rc-tag{font-size:12px;color:#B0A4FF}
.reco-card .rc-title{font-size:16px;font-weight:700;color:var(--text-1);line-height:1.5}
.reco-card .rc-desc{font-size:13px;color:var(--text-3);line-height:1.7}
.reco-card .rc-more{font-size:13px;color:var(--accent);margin-top:auto}
.reco-card:hover .rc-title{color:var(--accent)}
.back-row{display:flex;justify-content:center;margin-top:40px}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:780px;margin:0 auto;text-align:center;
  padding:52px 24px;
  border:1px dashed rgba(110,91,255,.45);
  border-radius:var(--radius-card);
  background:rgba(110,91,255,.06);
}
.empty-state i{font-size:30px;color:var(--primary);margin-bottom:16px;display:inline-block}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--text-3);margin-bottom:24px}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(110,91,255,.65),rgba(221,242,71,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:14px}
.footer-brand strong{font-size:16px;font-weight:800}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:330px;margin:0}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text-2);
  margin:0 0 16px;letter-spacing:.02em;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--accent)}
.footer-col span{font-size:14px;color:var(--text-3)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.14)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:14px}
  .nav-link{padding:8px 11px;font-size:14.5px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px}
  .brand-text em{display:none}
  .article-main{padding:26px 0 72px}
  .article-shell{padding:30px 24px 28px;border-radius:16px}
  .article-body,.article-body p,.article-body ul,.article-body ol{font-size:16px}
  .article-head h1{font-size:clamp(24px,4.6vw,32px)}
  .reco-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-shell{padding:24px 18px 22px}
  .breadcrumb-bar .current{max-width:200px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-foot{margin-top:40px;padding-top:26px}
}
@media (max-width:575px){
  .brand-text strong{font-size:15px}
  .btn{padding:11px 20px;font-size:14.5px}
  .article-body h2{margin-top:30px}
},

/* roulang page: category2 */
:root{
  --bg-0:#0B0912;
  --bg-1:#141221;
  --bg-2:#1C1930;
  --primary:#6E5BFF;
  --primary-deep:#4C3BD6;
  --accent:#DDF247;
  --accent-2:#FF4D9D;
  --accent-3:#24E0C0;
  --text:#F5F3FF;
  --text-2:#B4AECB;
  --text-3:#7B7590;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:6px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 20px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(110,91,255,.4), 0 0 28px rgba(110,91,255,.28);
  --glow-accent:0 0 0 1px rgba(221,242,71,.35), 0 0 26px rgba(221,242,71,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(110,91,255,.20), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(36,224,192,.10), transparent 60%),
    var(--bg-0);
  color:var(--text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--text-2);text-decoration:none;transition:color 200ms var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;margin:0;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-3);margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:12px;}
.section-head p{color:var(--text-2);max-width:640px;}
.rule{
  height:2px;width:64px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  margin:18px 0 0;
}
.rule-full{height:1px;width:100%;border:0;margin:0;
  background:linear-gradient(90deg,transparent,rgba(110,91,255,.55),rgba(221,242,71,.45),transparent);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(110,91,255,.75),rgba(221,242,71,.7),transparent);
}
.header-inner{
  height:68px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:17px;
  box-shadow:0 0 20px rgba(110,91,255,.42);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.01em;}
.brand-text small{font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.main-nav .nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);font-weight:500;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.main-nav .nav-link.active{color:var(--accent);}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:22px;height:2px;border-radius:6px;
  background:var(--accent);box-shadow:0 0 12px var(--accent);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#0B0912;
  border:1px solid var(--accent);
  border-radius:var(--r-pill);
  font-weight:700;font-size:14px;padding:11px 22px;
  transition:transform 200ms var(--ease),filter 200ms var(--ease),box-shadow 200ms var(--ease);
  box-shadow:0 0 22px rgba(221,242,71,.22);
}
.btn-solid:hover{filter:brightness(1.06);transform:translateY(-1px);color:#0B0912;}
.btn-solid:active{transform:translateY(0);filter:brightness(.98);}
.btn-solid.lg{font-size:15px;padding:14px 30px;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--text);
  border:1px solid rgba(110,91,255,.65);
  border-radius:var(--r-pill);
  font-weight:600;font-size:14px;padding:11px 22px;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);background:rgba(221,242,71,.06);}
.btn-outline.lg{font-size:15px;padding:14px 28px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);
  font-size:14px;font-weight:600;
}
.btn-text i{transition:transform 200ms var(--ease);}
.btn-text:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:17px;align-items:center;justify-content:center;
}
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;
  background:rgba(9,7,16,.98);
  backdrop-filter:blur(14px);
  padding:0 20px 40px;
  display:none;flex-direction:column;
  opacity:0;transform:translateY(-8px);
  transition:opacity 220ms var(--ease),transform 220ms var(--ease);
}
.mobile-drawer.open{display:flex;opacity:1;transform:translateY(0);}
.drawer-top{height:68px;display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--text);font-size:17px;
}
.drawer-links{display:flex;flex-direction:column;margin-top:12px;}
.drawer-links a{
  height:56px;display:flex;align-items:center;justify-content:space-between;
  font-size:18px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--accent);}
.drawer-cta{margin-top:26px;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:72px 0 68px;
  background-color:var(--bg-1);
  background-image:linear-gradient(90deg,rgba(11,9,18,.96) 8%,rgba(11,9,18,.72) 52%,rgba(11,9,18,.92) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.page-head .container{position:relative;z-index:2;}
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb-bar a{color:var(--text-3);}
.breadcrumb-bar a:hover{color:var(--accent);}
.breadcrumb-bar span.sep{opacity:.55;}
.breadcrumb-bar .current{color:var(--accent-3);}
.head-split{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:end;
}
.page-head h1{
  font-size:clamp(30px,5vw,50px);
  margin-bottom:0;
}
.page-head h1 em{
  font-style:normal;
  background:linear-gradient(92deg,var(--accent),var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.head-right p{color:var(--text-2);font-size:16px;margin-bottom:24px;}
.head-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  background:rgba(110,91,255,.14);
  color:#C4BBFF;font-size:13px;font-weight:600;margin-bottom:18px;
  border:1px solid rgba(110,91,255,.28);
}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Facts ---------- */
.facts{padding:56px 0;}
.facts-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.fact{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 20px;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.fact:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.5);box-shadow:var(--sh-1);}
.fact .f-icon{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(36,224,192,.12);color:var(--accent-3);font-size:15px;margin-bottom:14px;
}
.fact h3{font-size:17px;margin-bottom:8px;}
.fact p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- Card flow ---------- */
.flow-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:28px;
}
.flow-grid .col-b{margin-top:48px;}
.flow-card{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  height:100%;
}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(221,242,71,.4);box-shadow:var(--sh-2);}
.flow-media{overflow:hidden;background:var(--bg-1);aspect-ratio:4/3;}
.flow-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 260ms var(--ease);}
.flow-card:hover .flow-media img{transform:scale(1.03);}
.flow-body{padding:24px;}
.flow-body .badge-soft{
  display:inline-block;padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(110,91,255,.14);color:#C0B6FF;
  font-size:12px;font-weight:600;margin-bottom:12px;
}
.flow-body h3{font-size:19px;margin-bottom:10px;}
.flow-body p{font-size:14.5px;color:var(--text-2);}
.flow-body ul{margin-top:14px;display:grid;gap:8px;}
.flow-body ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);
}
.flow-body ul li::before{
  content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:2px;
  background:var(--accent-3);
}
.badge-warn{
  display:inline-block;padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(255,77,157,.16);color:#FF9CC6;font-size:12px;font-weight:600;
  border:1px solid rgba(255,77,157,.3);
}

/* ---------- Timeline ---------- */
.timeline-panel{
  background:linear-gradient(180deg,var(--bg-1),rgba(20,18,33,.6));
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 36px;
}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(36,224,192,.55),transparent);
}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--primary);
}
.tl-item.hot::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 14px rgba(221,242,71,.6);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px;}
.tl-head h3{font-size:18px;}
.tl-tag{
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-badge);
  background:rgba(36,224,192,.12);color:var(--accent-3);
}
.tl-tag.pink{background:rgba(255,77,157,.14);color:#FF9CC6;}
.tl-item p{font-size:14.5px;color:var(--text-2);}

/* ---------- Check list block ---------- */
.check-split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.check-media{position:relative;}
.check-media img{border-radius:var(--r-card);border:1px solid var(--line);width:100%;aspect-ratio:16/11;object-fit:cover;}
.check-media .glow-chip{
  position:absolute;bottom:-16px;left:24px;
  background:var(--bg-2);border:1px solid var(--glow);border-radius:14px;
  padding:14px 18px;box-shadow:var(--sh-1);
  font-size:13px;color:var(--text-2);
}
.check-media .glow-chip strong{display:block;color:var(--accent);font-size:15px;}
.check-list{display:grid;gap:18px;margin-top:26px;}
.check-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:14px;
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease);
}
.check-item:hover{border-color:rgba(110,91,255,.5);transform:translateY(-3px);}
.check-item .num{
  flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(110,91,255,.16);color:#C6BEFF;font-size:14px;font-weight:700;
}
.check-item h3{font-size:16px;margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:10px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--bg-1);
  overflow:hidden;transition:border-color 200ms var(--ease),background 200ms var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-q{
  width:100%;background:transparent;border:0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;color:var(--text);
  font-size:17px;font-weight:600;position:relative;
}
.faq-q .faq-icon{
  flex:0 0 22px;height:22px;position:relative;
}
.faq-q .faq-icon::before,
.faq-q .faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--text-2);border-radius:2px;transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.faq-q .faq-icon::before{width:12px;height:2px;}
.faq-q .faq-icon::after{width:2px;height:12px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-q[aria-expanded="true"]{color:var(--accent);}
.faq-q[aria-expanded="true"] .faq-icon::before{background:var(--accent);}
.faq-a{
  padding:0 24px 22px 24px;
  font-size:15px;color:var(--text-2);line-height:1.85;
  border-left:3px solid var(--accent);margin-left:24px;padding-left:18px;margin-right:24px;
}
.faq-item:has(.faq-q[aria-expanded="true"]){background:var(--bg-2);border-color:rgba(221,242,71,.32);}

/* ---------- CTA band ---------- */
.cta-band{
  margin:0 auto;
  background:linear-gradient(120deg,rgba(110,91,255,.20),rgba(28,25,48,.9) 48%,rgba(255,77,157,.14));
  border:1px solid var(--line);border-radius:22px;
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:100% 44px;pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:10px;position:relative;}
.cta-band p{color:var(--text-2);font-size:15px;position:relative;max-width:560px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;background:var(--bg-1);border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));color:#fff;font-size:15px;
}
.footer-brand .brand-text strong{font-size:15.5px;}
.footer-desc{font-size:14px;color:var(--text-2);max-width:330px;}
.footer-col h4{font-size:14px;color:var(--text-2);font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a,.footer-col ul span{font-size:14px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .container{padding-left:22px;padding-right:22px;}
  .head-split{gap:40px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-solid{display:none;}
  .section{padding:72px 0;}
  .head-split{grid-template-columns:1fr;gap:30px;align-items:start;}
  .page-head{padding:52px 0 56px;}
  .facts-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:1fr;}
  .flow-grid .col-b{margin-top:0;}
  .check-split{grid-template-columns:1fr;gap:34px;}
  .timeline-panel{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:36px 26px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-text small{display:none;}
  .page-head h1{font-size:clamp(26px,8vw,34px);}
  .facts-grid{grid-template-columns:1fr;gap:12px;}
  .fact{padding:18px 16px;}
  .flow-body{padding:20px;}
  .flow-media{aspect-ratio:16/10;}
  .faq-q{padding:17px 18px;font-size:16px;}
  .faq-a{margin-left:18px;padding-left:14px;margin-right:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .page-head{padding:38px 0 44px;}
  .check-media .glow-chip{position:static;margin-top:14px;display:inline-block;}
}
@media (max-width:520px){
  .head-actions .btn-solid,.head-actions .btn-outline{width:100%;}
  .cta-band{padding:30px 20px;border-radius:18px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions a{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0912;
  --bg-1:#141221;
  --bg-2:#1C1930;
  --primary:#6E5BFF;
  --primary-deep:#4C3BD6;
  --accent:#DDF247;
  --accent-2:#FF4D9D;
  --accent-3:#24E0C0;
  --text:#F5F3FF;
  --text-2:#B4AECB;
  --text-3:#7B7590;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:6px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 20px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(110,91,255,.4),0 0 28px rgba(110,91,255,.28);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:68px;
}
*,*::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',sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
a:hover{color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28;color:var(--text)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(110,91,255,.4);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grad-line{height:2px;width:64px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,9,18,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(110,91,255,.9),rgba(36,224,192,.7),transparent);
  opacity:.75;pointer-events:none;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:17px;box-shadow:0 0 0 1px rgba(110,91,255,.45),0 0 20px rgba(110,91,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-text small{font-size:11px;color:var(--text-3);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--accent);background:rgba(221,242,71,.08)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:6px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px rgba(221,242,71,.85);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);color:var(--text);font-size:16px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--accent)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(11,9,18,.98);
  transform:translateX(102%);transition:transform .3s var(--ease);
  padding:18px 20px 40px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);background:none;color:var(--text);font-size:18px;cursor:pointer}
.drawer-nav{margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--accent)}
.drawer-cta{margin-top:24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-pill);
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),filter .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn i{font-size:13px}
.btn-primary{background:var(--accent);color:#0B0912;box-shadow:0 0 0 1px rgba(221,242,71,.25),0 0 24px rgba(221,242,71,.18)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#0B0912}
.btn-ghost{background:transparent;border-color:rgba(110,91,255,.6);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(110,91,255,.14);transform:translateY(-1px);color:var(--text)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;min-height:260px;display:flex;align-items:center;
  background:var(--bg-1) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,9,18,.95) 0%,rgba(11,9,18,.78) 52%,rgba(11,9,18,.46) 100%);
}
.banner-inner{position:relative;z-index:2;padding:46px 0}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb-nav a:hover{color:var(--accent)}
.breadcrumb-nav .sep{color:var(--text-3);opacity:.6}
.breadcrumb-nav .current{color:var(--text-2)}
.page-banner h1{font-size:clamp(28px,3.8vw,44px);font-weight:800;max-width:820px}
.banner-sub{margin:14px 0 0;font-size:16px;color:var(--text-2);max-width:640px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:5px 12px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.08em;color:var(--accent);background:rgba(221,242,71,.1);
  border:1px solid rgba(221,242,71,.25);
}

/* ---------- info strip ---------- */
.info-strip{padding:32px 0 8px}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.strip-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;display:flex;gap:14px;align-items:flex-start;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.strip-item:hover{transform:translateY(-3px);border-color:rgba(110,91,255,.5)}
.strip-item i{color:var(--accent-3);font-size:17px;margin-top:5px}
.strip-item h3{font-size:15px;margin-bottom:4px}
.strip-item p{font-size:13px;color:var(--text-3);margin:0;line-height:1.7}

/* ---------- layout ---------- */
.main-wrap{padding:56px 0 0}
.layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:48px;align-items:start}
.side-nav{
  position:sticky;top:calc(var(--nav-h) + 28px);
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 14px;
}
.side-nav h2{font-size:12px;letter-spacing:.12em;color:var(--text-3);font-weight:600;padding:0 10px;margin-bottom:12px}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);position:relative;
}
.side-nav a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--text-3);opacity:.55;flex-shrink:0;
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.side-nav a:hover{background:rgba(255,255,255,.04);color:var(--text)}
.side-nav a.active{color:var(--accent);background:rgba(110,91,255,.16)}
.side-nav a.active::before{background:var(--accent);box-shadow:0 0 10px rgba(221,242,71,.8);opacity:1}
.side-note{margin-top:16px;padding:14px 12px 4px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);line-height:1.7}

/* ---------- content blocks ---------- */
.c-block{position:relative;padding-bottom:46px;margin-bottom:46px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.c-block:last-of-type{padding-bottom:0;margin-bottom:0}
.c-block:last-of-type::after{display:none}
.c-block::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(110,91,255,.85),rgba(36,224,192,.5) 42%,rgba(255,255,255,0) 100%);
}
.sec-head{margin-bottom:22px}
.sec-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--primary);
  background:rgba(110,91,255,.12);border-radius:var(--r-badge);padding:4px 10px;margin-bottom:12px;
}
.c-block h2{
  font-size:clamp(22px,2.4vw,30px);display:flex;gap:12px;align-items:flex-start;
}
.c-block h2::before{
  content:"";width:3px;border-radius:2px;flex-shrink:0;align-self:stretch;min-height:26px;
  background:linear-gradient(180deg,var(--primary),var(--accent-3));
}
.c-block h3{font-size:20px;margin-bottom:10px}
.lead{color:var(--text-2);font-size:16px}
.text-muted-2{color:var(--text-3);font-size:13px}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.split.reverse .split-media{order:-1}
.split-media figure{margin:0}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);background:var(--bg-1);transition:transform .3s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-media figcaption{font-size:13px;color:var(--text-3);margin-top:10px}

.check-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.07);
  font-size:15px;color:var(--text-2);align-items:flex-start;
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--accent-3);font-size:14px;margin-top:6px;flex-shrink:0}
.check-list strong{color:var(--text);font-weight:600}

.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.45);box-shadow:var(--shadow-1)}
.step-num{
  font-family:'Barlow','Noto Sans SC',sans-serif;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--accent);display:inline-block;margin-bottom:12px;
}
.step-card h3{font-size:18px;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8}

.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.compare-card{
  position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.compare-card.highlight{border-color:rgba(221,242,71,.4);box-shadow:var(--glow);background:linear-gradient(180deg,rgba(110,91,255,.12),rgba(28,25,48,1))}
.compare-card .badge-row{margin-bottom:14px;display:flex;gap:8px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 10px;
  border-radius:var(--r-badge);font-weight:600;
}
.badge-purple{background:rgba(110,91,255,.14);color:#B9AEFF}
.badge-lime{background:rgba(221,242,71,.14);color:var(--accent)}
.badge-pink{background:rgba(255,77,157,.14);color:#FF8DBE}
.compare-card h3{font-size:19px;margin-bottom:10px}
.compare-card p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.dot-list li{font-size:14px;color:var(--text-2);display:flex;gap:9px;padding:6px 0}
.dot-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent-3);margin-top:9px;flex-shrink:0}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative;transition:padding-left .25s var(--ease);padding-left:0}
.faq-item.open{padding-left:16px}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px rgba(221,242,71,.5);
}
.faq-q{
  width:100%;background:none;border:0;padding:18px 0;text-align:left;color:var(--text);
  font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--text-2);font-size:11px;
  transition:transform .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--accent);border-color:rgba(221,242,71,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-item.open .faq-a{max-height:380px}
.faq-a-inner{padding:0 0 20px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- help block ---------- */
.help-box{
  background:linear-gradient(135deg,rgba(110,91,255,.14),rgba(20,18,33,.9));
  border:1px solid rgba(110,91,255,.35);border-radius:var(--r-card);padding:28px;
}
.help-box h3{font-size:19px;margin-bottom:10px}
.help-box p{font-size:15px;color:var(--text-2);margin-bottom:18px}
.help-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- cta band ---------- */
.cta-band-wrap{padding:72px 0 88px}
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;padding:44px 48px;
  background:linear-gradient(120deg,rgba(110,91,255,.22),rgba(28,25,48,.95) 55%,rgba(221,242,71,.12));
  border:1px solid rgba(110,91,255,.35);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(221,242,71,.18),transparent 70%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(110,91,255,.7),rgba(221,242,71,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
.footer-brand strong{font-size:16px;font-weight:700}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;margin:0}
.footer-col h4{font-size:14px;color:var(--text-2);font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a,.footer-col ul span{font-size:14px;color:var(--text-3)}
.footer-col ul a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0}
.footer-bottom a{color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.15)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:210px minmax(0,1fr);gap:36px}
  .cta-band{padding:38px 34px}
}
@media (max-width:991px){
  :root{--nav-h:60px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .layout{grid-template-columns:1fr;gap:28px}
  .side-nav{position:static;padding:12px}
  .side-nav h2{padding:0 6px 8px}
  .side-nav ul{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
  .side-nav ul li{flex-shrink:0}
  .side-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px}
  .side-nav a::before{display:none}
  .side-note{display:none}
  .split{grid-template-columns:1fr;gap:22px}
  .split.reverse .split-media{order:0}
  .step-grid{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr;gap:12px}
  .compare-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .main-wrap{padding:40px 0 0}
  .c-block{padding-bottom:36px;margin-bottom:36px}
  .cta-band-wrap{padding:52px 0 64px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 18px}
  .page-banner{min-height:228px}
  .banner-inner{padding:36px 0}
  .banner-sub{font-size:15px}
  .step-card,.compare-card,.help-box{padding:20px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .faq-q{font-size:16px;padding:16px 0}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand-text small{display:none}
  .brand-text strong{font-size:15px}
  .page-banner{min-height:206px}
  .banner-inner{padding:30px 0}
  .c-block h2{font-size:21px}
  .help-actions .btn,.cta-actions .btn{width:100%}
}