/* roulang page: index */
:root{
  --ink:#1B1033;
  --ink-2:#2A2440;
  --brand:#6D3BFF;
  --brand-soft:rgba(109,59,255,.10);
  --cyan:#00D3C7;
  --gold:#FFB443;
  --bg:#F6F5FB;
  --line:#E7E5F2;
  --line-brand:rgba(109,59,255,.14);
  --muted:#6E6A85;
  --white:#ffffff;
  --grad:linear-gradient(120deg,#1B1033 0%,#3A1C8C 48%,#6D3BFF 100%);
  --grad-btn:linear-gradient(120deg,#6D3BFF 0%,#00D3C7 100%);
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --sh-1:0 6px 18px rgba(27,16,51,.06);
  --sh-2:0 14px 34px rgba(109,59,255,.18);
  --sh-3:0 24px 60px rgba(27,16,51,.22);
  --shell-w:248px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;}
a:hover{color:#4d1fd8;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:.5px;margin:0;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.35;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.45;}
h3{font-size:19px;line-height:1.5;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(0,211,199,.5);outline-offset:2px;border-radius:6px;}

/* 容器 */
.container-x{max-width:1200px;margin:0 auto;padding:0 32px;}
@media(max-width:991.98px){.container-x{padding:0 24px;}}
@media(max-width:575.98px){.container-x{padding:0 16px;}}

/* 左侧 App Shell */
.app-shell{
  position:fixed;top:0;left:0;width:var(--shell-w);height:100vh;
  background:var(--grad);
  color:#fff;padding:22px 16px 26px;display:flex;flex-direction:column;gap:16px;
  z-index:1050;overflow-y:auto;transition:transform .22s ease;
}
.app-shell::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:26px 26px;
}
.shell-logo{display:flex;align-items:center;gap:11px;position:relative;z-index:1;padding:4px 6px 12px;border-bottom:1px solid rgba(255,255,255,.14);}
.shell-logo .mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:var(--grad-btn);display:grid;place-items:center;color:#fff;font-size:17px;
  box-shadow:0 8px 22px rgba(0,211,199,.32);
}
.shell-logo .name{font-size:15px;font-weight:800;color:#fff;line-height:1.4;letter-spacing:.4px;}
.shell-logo .sub{font-size:11.5px;color:rgba(255,255,255,.62);letter-spacing:.6px;}
.nav-group-title{font-size:11.5px;letter-spacing:1.4px;color:rgba(255,255,255,.48);padding:6px 12px 2px;position:relative;z-index:1;}
.shell-nav{display:flex;flex-direction:column;gap:5px;position:relative;z-index:1;}
.nav-link-x{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:12px;color:rgba(255,255,255,.78);
  font-size:15px;transition:background .2s,color .2s,padding .2s;
}
.nav-link-x i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.62);}
.nav-link-x::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:20px;border-radius:3px;
  background:var(--cyan);transform:translateY(-50%) scaleY(0);transition:transform .2s;
}
.nav-link-x:hover{background:rgba(255,255,255,.10);color:#fff;padding-left:18px;}
.nav-link-x:hover i{color:var(--cyan);}
.nav-link-x:hover::before{transform:translateY(-50%) scaleY(1);}
.nav-link-x.active{background:rgba(109,59,255,.35);color:#fff;font-weight:600;}
.nav-link-x.active i{color:#fff;}
.nav-link-x.active::before{transform:translateY(-50%) scaleY(1);}
.shell-card{
  position:relative;z-index:1;margin-top:auto;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:16px;
  backdrop-filter:blur(6px);
}
.shell-card .t{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px;}
.shell-card .d{font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.7;margin-bottom:12px;}
.shell-card .mini-btn{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#1B1033;font-weight:700;
  background:linear-gradient(120deg,#00D3C7,#8AF3EC);padding:8px 14px;border-radius:999px;
}
.shell-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:6px;vertical-align:middle;}
.shell-backdrop{
  position:fixed;inset:0;background:rgba(27,16,51,.55);z-index:1040;opacity:0;visibility:hidden;transition:opacity .22s;
}
.shell-backdrop.show{opacity:1;visibility:visible;}

/* 主区域 */
.main-area{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  position:sticky;top:0;z-index:1030;background:rgba(246,245,251,.88);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:16px;height:68px;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-brand);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.topbar-brand{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap;}
.search-box{position:relative;flex:1;max-width:420px;margin-left:auto;}
.search-box i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-input);border:1px solid var(--line);
  background:#fff;padding:0 16px 0 38px;font-size:14px;color:var(--ink-2);
  transition:border-color .2s,box-shadow .2s;
}
.search-box input::placeholder{color:#9c98b0;}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(109,59,255,.14);}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;background:var(--grad-btn);color:#fff;font-weight:700;
  font-size:14.5px;padding:12px 22px;border-radius:var(--r-btn);border:none;line-height:1.4;
  box-shadow:0 8px 20px rgba(109,59,255,.28);transition:transform .2s,box-shadow .2s,filter .2s;
  white-space:nowrap;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--brand);
  border:1px solid rgba(109,59,255,.45);font-weight:600;font-size:14.5px;padding:11px 21px;
  border-radius:var(--r-btn);transition:background .2s,transform .2s,color .2s;line-height:1.4;
}
.btn-ghost:hover{background:var(--brand-soft);color:#4d1fd8;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-on-dark{
  display:inline-flex;align-items:center;gap:8px;background:transparent;color:#fff;
  border:1px solid rgba(255,255,255,.55);font-weight:600;font-size:14.5px;padding:11px 21px;
  border-radius:var(--r-btn);transition:background .2s,transform .2s;line-height:1.4;
}
.btn-on-dark:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.topbar .btn-main{padding:10px 18px;font-size:14px;}

/* Hero */
.hero{
  position:relative;background:var(--grad);border-radius:0 0 34px 34px;overflow:hidden;color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.8) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.8) 1px,transparent 1px);
  background-size:34px 34px;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,211,199,.42) 0%,transparent 68%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 72px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.6px;
  color:#DCD3FF;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,211,199,.22);}
.hero h1{color:#fff;margin-bottom:18px;}
.hero-sub{color:rgba(255,255,255,.82);font-size:16.5px;line-height:1.85;max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#fff;font-weight:500;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);
  padding:7px 14px;border-radius:999px;backdrop-filter:blur(4px);
}
.badge-pill .pt{width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.badge-pill .pt.gold{background:var(--gold);}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.34);}
.hero-visual img{width:100%;height:340px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(27,16,51,.10) 0%,rgba(27,16,51,.72) 100%);
}
.float-card{
  position:absolute;left:18px;bottom:18px;right:18px;z-index:3;display:flex;gap:12px;align-items:center;
  background:rgba(27,16,51,.62);border:1px solid rgba(255,255,255,.18);border-radius:14px;
  padding:12px 14px;backdrop-filter:blur(10px);
}
.float-card img{width:54px;height:54px;border-radius:10px;object-fit:cover;flex:0 0 54px;}
.float-card .ft{font-size:14px;color:#fff;font-weight:700;line-height:1.5;}
.float-card .fd{font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.6;}

/* 通用板块 */
.section{padding:72px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head .lead{color:var(--muted);font-size:14.5px;margin:10px 0 0;max-width:640px;}
.sec-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.sec-link:hover{gap:10px;}
@media(max-width:991.98px){.section{padding:48px 0;}}

/* 主题封面 */
.cover-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-brand);box-shadow:var(--sh-1);height:100%;
  transition:transform .32s,box-shadow .32s,border-color .32s;
}
.cover-card img{width:100%;height:230px;object-fit:cover;transition:transform .32s;}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35);}
.cover-card:hover img{transform:scale(1.03);}
.cover-card .mask{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,16,51,.06) 32%,rgba(27,16,51,.88) 100%);
}
.cover-card .body{position:absolute;left:0;right:0;bottom:0;padding:20px 22px;color:#fff;}
.cover-card .tag{
  position:absolute;top:16px;right:16px;font-size:12px;font-weight:600;color:#1B1033;
  background:linear-gradient(120deg,#FFB443,#FFD89B);padding:5px 12px;border-radius:999px;
}
.cover-card h3{color:#fff;font-size:19px;margin-bottom:6px;}
.cover-card p{color:rgba(255,255,255,.78);font-size:13.5px;line-height:1.7;margin:0;}

/* 目录列表 */
.toc-item{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;height:100%;
}
.toc-item:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35);}
.toc-num{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:var(--brand);background:var(--brand-soft);
}
.toc-item .tt{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;}
.toc-item .ts{font-size:13px;color:var(--muted);line-height:1.6;}
.toc-item .cnt{
  font-size:12.5px;color:var(--ink);background:#F1EEFC;border-radius:999px;padding:4px 11px;
  font-weight:600;white-space:nowrap;
}
.toc-item .arrow{margin-left:auto;color:var(--muted);transition:color .25s,transform .25s;}
.toc-item:hover .arrow{color:var(--brand);transform:translateX(3px);}

/* 精选卡片 */
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35);}
.post-card .thumb{position:relative;overflow:hidden;}
.post-card .thumb img{width:100%;height:190px;object-fit:cover;transition:transform .32s;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .pick{
  position:absolute;top:14px;left:14px;font-size:12px;font-weight:700;color:#3A2500;
  background:linear-gradient(120deg,#FFB443,#FFD89B);padding:5px 12px;border-radius:999px;
}
.post-card .body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:18px;margin-bottom:10px;line-height:1.55;}
.post-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.post-card .meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.chip{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}
.link-more{margin-left:auto;font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:5px;}

/* 最新信息 CMS */
.cms-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35);}
.cms-card h3{font-size:17px;line-height:1.6;margin-bottom:10px;}
.cms-card h3 a{color:var(--ink);}
.cms-card h3 a:hover{color:var(--brand);}
.cms-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.cms-card .meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.empty-state{
  background:#F1EEFC;border:1px dashed rgba(109,59,255,.3);border-radius:var(--r-card);
  padding:46px 24px;text-align:center;
}
.empty-state .ic{
  width:56px;height:56px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;
  background:#fff;color:var(--brand);font-size:22px;box-shadow:var(--sh-1);
}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}

/* 推荐横排 */
.mini-card{
  display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px;box-shadow:var(--sh-1);height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35);}
.mini-card img{width:76px;height:76px;border-radius:12px;object-fit:cover;flex:0 0 76px;}
.mini-card .mt{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card .ms{font-size:12.5px;color:var(--muted);}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad);border-radius:26px;color:#fff;
  padding:48px 44px;box-shadow:var(--sh-3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.8) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.8) 1px,transparent 1px);
  background-size:30px 30px;
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;right:-90px;bottom:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,211,199,.45) 0%,transparent 70%);
}
.cta-band .inner{position:relative;z-index:2;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);margin:0;max-width:520px;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;background:linear-gradient(120deg,#FFB443,#FFD89B);
  color:#3A2500;font-weight:800;font-size:14.5px;padding:13px 24px;border-radius:var(--r-btn);
  border:none;transition:transform .2s,box-shadow .2s;line-height:1.4;
}
.btn-gold:hover{color:#3A2500;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,180,67,.35);}
.btn-gold:active{transform:translateY(1px);}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:15px;
  transition:background .2s,transform .2s;
}
.social-row a:hover{background:rgba(0,211,199,.28);transform:translateY(-2px);}

/* FAQ */
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:14px;
  box-shadow:var(--sh-1);
}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ink);font-weight:700;font-size:16px;padding:20px 50px 20px 24px;
  box-shadow:none;border-radius:14px;position:relative;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:22px;border-radius:3px;
  background:var(--cyan);transform:translateY(-50%) scaleY(0);transition:transform .22s;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#FBFAFF;}
.faq-accordion .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 4px rgba(109,59,255,.14);}
.faq-accordion .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand);font-size:13px;transition:transform .22s;width:auto;height:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-accordion .accordion-body{font-size:15px;color:var(--muted);line-height:1.9;padding:0 24px 22px;}

/* 页脚 */
.site-footer{background:var(--grad);color:#fff;margin-top:72px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:32px 32px;
}
.footer-inner{position:relative;z-index:2;padding:58px 0 26px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .mark{width:38px;height:38px;border-radius:11px;background:var(--grad-btn);display:grid;place-items:center;color:#fff;font-size:16px;}
.footer-brand .name{font-size:16px;font-weight:800;color:#fff;}
.footer-desc{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.85;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{font-size:13.5px;color:rgba(255,255,255,.74);transition:color .2s,padding-left .2s;}
.footer-list a:hover{color:var(--cyan);padding-left:4px;}
.footer-list span{font-size:13.5px;color:rgba(255,255,255,.74);}
.footer-bottom{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media(max-width:1199.98px){
  .hero-inner{padding:52px 0 58px;}
}
@media(max-width:991.98px){
  .app-shell{transform:translateX(-100%);box-shadow:var(--sh-3);}
  .app-shell.is-open{transform:none;}
  .main-area{margin-left:0;}
  .hamburger{display:inline-flex;}
  .topbar-brand{display:none;}
  .search-box{max-width:none;}
  .hero{border-radius:0 0 26px 26px;}
  .hero-visual img{height:280px;}
  .cta-band{padding:38px 26px;border-radius:20px;}
  .footer-inner{padding:44px 0 20px;}
}
@media(max-width:767.98px){
  .topbar-inner{height:60px;gap:10px;}
  .topbar .btn-main{padding:9px 14px;font-size:13.5px;}
  .topbar .btn-main span{display:none;}
  .search-box{display:none;}
  .hero-inner{padding:40px 0 46px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn-main,.hero-actions .btn-on-dark{width:100%;justify-content:center;min-height:46px;}
  .hero-visual img{height:220px;}
  .float-card img{width:44px;height:44px;flex:0 0 44px;}
  .section{padding:40px 0;}
  .sec-head{margin-bottom:22px;}
  .cta-band{padding:30px 20px;}
  .cta-actions{width:100%;}
  .cta-actions > *{flex:1 1 100%;justify-content:center;min-height:46px;}
  .post-card .thumb img{height:180px;}
}
@media(max-width:575.98px){
  body{font-size:15.5px;}
  .hero h1{font-size:26px;}
  .cover-card img{height:190px;}
  .toc-item{padding:15px 16px;gap:12px;}
  .toc-item .cnt{display:none;}
  .mini-card img{width:64px;height:64px;flex:0 0 64px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --ink:#1B1033;
  --ink-2:#2A2440;
  --brand:#6D3BFF;
  --brand-deep:#3A1C8C;
  --teal:#00D3C7;
  --gold:#FFB443;
  --bg:#F6F5FB;
  --line:#E7E5F2;
  --muted:#6E6A85;
  --brand-grad:linear-gradient(120deg,#1B1033 0%,#3A1C8C 48%,#6D3BFF 100%);
  --btn-grad:linear-gradient(120deg,#6D3BFF 0%,#00D3C7 100%);
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 6px 18px rgba(27,16,51,.06);
  --sh-2:0 14px 34px rgba(109,59,255,.18);
  --sh-3:0 24px 60px rgba(27,16,51,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.5px;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(0,211,199,.5);outline-offset:2px;border-radius:8px}

/* ============ App Shell ============ */
.shell-side{
  position:fixed;top:0;left:0;bottom:0;width:248px;z-index:1045;
  display:flex;flex-direction:column;
  padding:22px 16px;
  overflow-y:auto;
  color:#fff;
  background:var(--brand-grad);
}
.shell-side::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 22% 10%,rgba(0,211,199,.16),transparent 42%),
    radial-gradient(circle at 88% 84%,rgba(109,59,255,.34),transparent 50%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 28px);
}
.shell-side > *{position:relative;z-index:1}

.shell-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 16px;border-bottom:1px solid rgba(255,255,255,.14)}
.shell-brand .mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--btn-grad);color:#fff;font-size:17px;
  box-shadow:0 8px 20px rgba(0,211,199,.28);
}
.shell-brand .name{font-size:15px;font-weight:800;color:#fff;letter-spacing:.5px;line-height:1.35}

.shell-group-title{
  font-size:12px;letter-spacing:1.4px;color:rgba(255,255,255,.52);
  padding:16px 12px 8px;font-weight:600;
}
.shell-nav{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.nav-link-x{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--r-btn);
  font-size:15px;color:rgba(255,255,255,.78);
  transition:background .22s ease,color .22s ease;
}
.nav-link-x i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.72)}
.nav-link-x::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--teal);
  transition:height .22s ease;
}
.nav-link-x:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-link-x:hover::before{height:20px}
.nav-link-x.active{background:rgba(109,59,255,.35);color:#fff;font-weight:700}
.nav-link-x.active i{color:var(--teal)}
.nav-link-x.active::before{height:20px}

.shell-mini{
  margin-top:auto;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:16px;
}
.shell-mini .mini-title{font-size:13px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px;margin-bottom:10px}
.shell-mini .mini-title i{color:var(--gold)}
.mini-row{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.76);line-height:1.9}
.mini-row .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:0 0 6px}
.mini-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:14px;padding:10px 14px;min-height:42px;
  border-radius:10px;background:rgba(0,211,199,.18);
  border:1px solid rgba(0,211,199,.4);
  color:#fff;font-size:13px;font-weight:700;
  transition:background .22s ease;
}
.mini-cta:hover{background:rgba(0,211,199,.3);color:#fff}

.shell-main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}

/* ============ Toolbar ============ */
.top-toolbar{
  position:sticky;top:0;z-index:1030;
  display:flex;align-items:center;gap:14px;
  padding:12px 28px;
  background:rgba(246,245,251,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.hamburger-btn{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:grid;place-items:center;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.hamburger-btn:hover{border-color:rgba(109,59,255,.35);box-shadow:var(--sh-1)}
.tool-search{position:relative;flex:1 1 auto;max-width:420px}
.tool-search input{
  width:100%;height:44px;padding:0 16px 0 42px;
  border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.tool-search input::placeholder{color:#a9a5bb}
.tool-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,59,255,.14)}
.tool-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}
.tool-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:44px;height:44px;border-radius:12px;flex:0 0 44px;
  display:grid;place-items:center;cursor:pointer;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:15px;
  transition:color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(109,59,255,.35);box-shadow:var(--sh-1)}
.mobile-brand{display:none;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--ink)}

/* ============ Buttons ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:none;cursor:pointer;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary-x{background:var(--btn-grad);color:#fff;box-shadow:0 10px 24px rgba(109,59,255,.26)}
.btn-primary-x:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(109,59,255,.34);filter:brightness(1.06);color:#fff}
.btn-primary-x:active{transform:translateY(1px)}
.btn-outline-x{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-outline-x:hover{background:rgba(109,59,255,.1);color:var(--brand)}
.btn-ghost-x{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost-x:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-soft-x{background:rgba(109,59,255,.1);color:var(--brand);border:1px solid rgba(109,59,255,.2)}
.btn-soft-x:hover{background:rgba(109,59,255,.18);color:var(--brand)}

/* ============ Layout ============ */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding-top:72px}
.section-tight{padding-top:52px}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:24px;
  min-height:260px;
  padding:38px 40px;
  border-radius:22px;
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  color:#fff;
  background-image:
    linear-gradient(115deg,rgba(27,16,51,.95) 0%,rgba(58,28,140,.88) 50%,rgba(109,59,255,.78) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover;
  background-position:center,center;
  box-shadow:var(--sh-2);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
}
.cat-hero > *{position:relative;z-index:2}
.cat-hero h1{
  color:#fff;
  font-size:clamp(28px,4vw,44px);
  letter-spacing:.5px;
  max-width:14em;
}
.cat-hero .hero-sub{
  color:rgba(255,255,255,.84);
  font-size:16px;max-width:44em;line-height:1.9;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
}
.stat-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:0 0 6px}
.stat-badge .dot.gold{background:var(--gold)}
.stat-badge b{font-weight:700}

/* ============ Tags ============ */
.tag-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.7;
  background:rgba(109,59,255,.1);
  color:var(--brand);
  border:1px solid rgba(109,59,255,.18);
}
.tag-x.gold{background:rgba(255,180,67,.16);color:#8a5a00;border-color:rgba(255,180,67,.42)}
.tag-x.teal{background:rgba(0,211,199,.14);color:#046b66;border-color:rgba(0,211,199,.36)}

/* ============ Section head ============ */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:26px;flex-wrap:wrap;
}
.sec-head h2{font-size:clamp(22px,2.6vw,32px)}
.sec-sub{color:var(--muted);font-size:14px;margin-top:8px;line-height:1.8}
.sec-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:700}
.sec-more:hover{gap:10px}

/* ============ Row list (category1 layout) ============ */
.row-list{display:flex;flex-direction:column;gap:18px}
.row-card{
  display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:center;
  background:#fff;
  border:1px solid rgba(109,59,255,.14);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35)}
.row-thumb{
  border-radius:14px;overflow:hidden;aspect-ratio:16/10;
  background:linear-gradient(135deg,#E7E5F2,#d9d3f5);
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.row-card:hover .row-thumb img{transform:scale(1.03)}
.row-body h3{font-size:19px;margin-bottom:8px}
.row-body p{color:var(--muted);font-size:15px;line-height:1.85}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.row-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  color:var(--brand);font-weight:700;font-size:14px;
  transition:gap .22s ease;
}
.row-link:hover{gap:10px}

/* ============ Compare ============ */
.table-shell{
  background:#fff;border:1px solid rgba(109,59,255,.14);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-shell .table-responsive{padding:4px}
.cmp-table{min-width:640px;margin:0}
.cmp-table th,.cmp-table td{
  padding:16px 20px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);
}
.cmp-table thead th{
  background:rgba(109,59,255,.06);
  color:var(--ink);font-weight:800;font-size:14px;letter-spacing:.4px;
  border-bottom:1px solid rgba(109,59,255,.18);
}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr{transition:background .22s ease}
.cmp-table tbody tr:hover{background:rgba(109,59,255,.04)}
.cmp-table td:first-child{font-weight:700;color:var(--ink)}
.cmp-table td{color:var(--muted)}

.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:20px}
.compare-card{
  background:#fff;border-radius:var(--r-card);padding:24px 26px;
  border:1px solid rgba(109,59,255,.14);box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.compare-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.compare-card h3 i{font-size:15px}
.compare-card.good h3 i{color:var(--teal)}
.compare-card.warn h3 i{color:var(--gold)}
.compare-card ul{display:flex;flex-direction:column;gap:10px}
.compare-card li{
  position:relative;padding-left:18px;
  font-size:15px;color:var(--muted);line-height:1.8;
}
.compare-card li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--brand);opacity:.55;
}
.compare-card.good li::before{background:var(--teal);opacity:.85}
.compare-card.warn li::before{background:var(--gold);opacity:.9}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{
  position:relative;
  background:#fff;border:1px solid rgba(109,59,255,.14);
  border-radius:var(--r-card);padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35)}
.step-num{
  display:inline-grid;place-items:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--btn-grad);color:#fff;
  font-size:15px;font-weight:800;margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.85}

/* ============ FAQ ============ */
.accordion-x .accordion-item{
  background:#fff;
  border:1px solid rgba(109,59,255,.14);
  border-radius:14px !important;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh-1);
}
.accordion-x .accordion-button{
  position:relative;
  width:100%;
  padding:18px 22px 18px 26px;
  font-size:16px;font-weight:700;color:var(--ink);
  background:#fff;
  box-shadow:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:background .22s ease,color .22s ease;
}
.accordion-x .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--teal);
  transition:height .22s ease;
}
.accordion-x .accordion-button:not(.collapsed){
  background:rgba(109,59,255,.06);
  color:var(--brand);
  box-shadow:none;
}
.accordion-x .accordion-button:not(.collapsed)::before{height:58%}
.accordion-x .accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-x .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;
  display:grid;place-items:center;
  font-size:13px;color:var(--brand);
  transition:transform .22s ease;
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-x .accordion-body{
  padding:6px 26px 22px;
  font-size:15px;color:var(--muted);line-height:1.9;
}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:22px;
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  color:#fff;
  background-image:
    linear-gradient(115deg,rgba(27,16,51,.94) 0%,rgba(58,28,140,.86) 52%,rgba(109,59,255,.8) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover,cover;
  background-position:center,center;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 30px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:46em}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cta-social{display:flex;align-items:center;gap:10px;margin-top:14px}
.cta-social span{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:15px;cursor:pointer;
  transition:background .22s ease,transform .22s ease;
}
.cta-social span:hover{background:rgba(0,211,199,.28);transform:translateY(-2px)}

/* ============ Footer ============ */
.site-footer{
  margin-top:72px;
  position:relative;overflow:hidden;
  color:rgba(255,255,255,.76);
  background:var(--brand-grad);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 18%,rgba(0,211,199,.14),transparent 40%),
    radial-gradient(circle at 88% 78%,rgba(109,59,255,.3),transparent 46%);
}
.site-footer > *{position:relative;z-index:2}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.footer-inner{padding-top:56px;padding-bottom:26px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  display:grid;place-items:center;
  background:var(--btn-grad);color:#fff;font-size:16px;
}
.footer-brand .name{font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-desc{font-size:14px;color:rgba(255,255,255,.68);line-height:1.9;max-width:30em}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list li{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8}
.footer-list a{color:rgba(255,255,255,.68)}
.footer-list a:hover{color:var(--teal)}
.footer-bottom{
  padding-top:18px;padding-bottom:26px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom span{line-height:1.8}

/* ============ Offcanvas drawer ============ */
.drawer-nav{width:282px;background:var(--brand-grad);color:#fff;border:none}
.drawer-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.14);padding:18px 20px}
.drawer-nav .offcanvas-body{padding:16px 16px 24px}
.drawer-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75}
.drawer-nav .drawer-title{font-size:15px;font-weight:800;color:#fff;display:flex;align-items:center;gap:9px}
.drawer-nav .drawer-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:grid;place-items:center;background:var(--btn-grad);color:#fff;font-size:15px;
}
#drawerNav .shell-mini{margin-top:26px}

/* ============ Markdown-ish text ============ */
.lead-text{font-size:15px;color:var(--muted);line-height:1.9;max-width:62em}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .shell-side{display:none}
  .shell-main{margin-left:0}
  .top-toolbar{padding:12px 20px}
  .mobile-brand{display:flex}
  .wrap{padding-left:24px;padding-right:24px}
  .container-x{padding-left:24px;padding-right:24px}
  .cat-hero{padding:32px 28px;min-height:220px}
}
@media (max-width:767.98px){
  .section{padding-top:44px}
  .row-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .compare-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
  .cat-hero{margin-top:16px;border-radius:18px}
  .row-body h3{font-size:17px}
}
@media (max-width:575.98px){
  .wrap{padding-left:16px;padding-right:16px}
  .container-x{padding-left:16px;padding-right:16px}
  .top-toolbar{padding:10px 14px;gap:10px}
  .tool-search{display:none}
  .mobile-brand .name{font-size:13px}
  .btn-x{padding:11px 18px;font-size:14px}
  .cat-hero{padding:26px 18px}
  .cat-hero h1{font-size:26px}
  .hero-sub{font-size:14.5px}
  .step-card,.compare-card{padding:20px 18px}
}

/* roulang page: category2 */
:root{
  --ink:#1B1033;
  --ink-2:#2A2440;
  --brand:#6D3BFF;
  --brand-deep:#3A1C8C;
  --cyan:#00D3C7;
  --amber:#FFB443;
  --bg:#F6F5FB;
  --line:#E7E5F2;
  --muted:#6E6A85;
  --white:#FFFFFF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#1B1033 0%,#3A1C8C 48%,#6D3BFF 100%);
  --grad-btn:linear-gradient(120deg,#6D3BFF 0%,#00D3C7 100%);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(27,16,51,.06);
  --sh-2:0 14px 34px rgba(109,59,255,.18);
  --sh-3:0 24px 60px rgba(27,16,51,.22);
  --border:1px solid rgba(109,59,255,.14);
  --aside-w:248px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cyan)}
button,input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0 0 12px;color:var(--ink);font-weight:800;letter-spacing:.5px;line-height:1.35}
h1{font-size:clamp(28px,4vw,44px)}
h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:19px;font-weight:700}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(0,211,199,.5);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.shell-aside{
  position:fixed;top:0;left:0;bottom:0;width:var(--aside-w);z-index:1040;
  background:var(--grad-brand);
  display:none;flex-direction:column;padding:22px 18px;overflow-y:auto;
}
.shell-aside::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px);
  opacity:.9;
}
.shell-aside > *{position:relative;z-index:1}
.shell-main{min-height:100vh;display:flex;flex-direction:column}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}

.aside-brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:18px}
.aside-brand .mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#00D3C7,#6D3BFF);color:#fff;font-size:17px;
  box-shadow:0 8px 20px rgba(0,211,199,.32);
}
.aside-brand .name{color:#fff;font-size:15px;font-weight:800;letter-spacing:.5px;line-height:1.3}
.aside-group-title{
  color:rgba(255,255,255,.55);font-size:12px;letter-spacing:2px;font-weight:600;
  padding:16px 12px 8px;
}
.shell-nav{display:flex;flex-direction:column;gap:6px}
.nav-link-x{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;color:rgba(255,255,255,.82);
  font-size:14.5px;font-weight:600;border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-link-x i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.7)}
.nav-link-x:hover{background:rgba(255,255,255,.10);color:#fff;border-left-color:var(--cyan);transform:translateX(2px)}
.nav-link-x:hover i{color:var(--cyan)}
.nav-link-x.active{background:rgba(109,59,255,.35);color:#fff;border-left-color:var(--cyan)}
.nav-link-x.active i{color:#fff}
.aside-card{
  margin-top:auto;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:16px;backdrop-filter:blur(6px);
}
.aside-card .t{color:#fff;font-size:14px;font-weight:700;margin-bottom:8px}
.aside-card .d{color:rgba(255,255,255,.72);font-size:12.5px;line-height:1.7;margin-bottom:12px}
.mini-btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;
  background:linear-gradient(120deg,#00D3C7,#6D3BFF);color:#fff;font-size:13px;font-weight:700;
}
.mini-btn:hover{color:#fff;filter:brightness(1.08)}
.aside-badge{
  display:inline-flex;align-items:center;gap:6px;margin:0 6px 8px 0;
  padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.12);
  color:#fff;font-size:12px;font-weight:600;
}
.aside-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}

/* ---------- 顶部工具条 ---------- */
.topbar{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,245,251,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:16px;height:64px}
.burger{
  width:44px;height:44px;border-radius:12px;border:var(--border);background:#fff;
  color:var(--ink);display:grid;place-items:center;font-size:16px;box-shadow:var(--sh-1);
}
.topbar-logo{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);font-size:15px}
.topbar-logo .mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:#fff;font-size:14px;
  background:linear-gradient(135deg,#6D3BFF,#00D3C7);
}
.top-search{flex:1;display:none;max-width:420px;margin-left:auto}
.top-search .field{
  display:flex;align-items:center;gap:8px;background:#fff;border:var(--border);border-radius:12px;
  padding:0 12px;box-shadow:var(--sh-1);
}
.top-search .field:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,59,255,.14)}
.top-search input{border:0;outline:0;background:transparent;height:42px;width:100%;color:var(--ink-2);font-size:14px}
.top-search i{color:var(--muted);font-size:13px}
.top-cta{margin-left:auto;display:none}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:0;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
  min-height:44px;
}
.btn-primary-x{background:var(--grad-btn);color:#fff;box-shadow:0 10px 24px rgba(109,59,255,.28)}
.btn-primary-x:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06)}
.btn-primary-x:active{transform:translateY(1px)}
.btn-outline-x{background:#fff;color:var(--brand);border:1px solid rgba(109,59,255,.45)}
.btn-outline-x:hover{background:rgba(109,59,255,.10);color:var(--brand);transform:translateY(-2px)}
.btn-ghost-x{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost-x:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-sm-x{padding:10px 18px;font-size:14px;min-height:44px}

/* ---------- 主内容 ---------- */
main{flex:1}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);padding:22px 0 0;
}
.breadcrumb-x a{color:var(--muted)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:#C6C2D8}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;margin:18px 0 0;border-radius:24px;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(27,16,51,.94) 0%,rgba(58,28,140,.88) 48%,rgba(109,59,255,.82) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:44px 40px;color:#fff;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
}
.hero-cat .inner{position:relative;z-index:1;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,180,67,.18);border:1px solid rgba(255,180,67,.5);color:#FFD79A;
  font-size:12.5px;font-weight:700;letter-spacing:1px;margin-bottom:16px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--amber)}
.hero-cat h1{color:#fff;margin-bottom:14px}
.hero-cat p.sub{color:rgba(255,255,255,.84);font-size:16px;max-width:660px;margin-bottom:22px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:600;
}
.pill-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.pill-badge.amber .dot{background:var(--amber)}
.pill-badge b{font-weight:700}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0 0}
.section-head{margin-bottom:26px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--brand);margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-btn)}
.section-head p{color:var(--muted);font-size:15px;margin:0}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-pill{
  padding:9px 18px;border-radius:999px;border:var(--border);background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:600;cursor:pointer;min-height:44px;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.filter-pill:hover{border-color:rgba(109,59,255,.45);color:var(--brand);transform:translateY(-1px)}
.filter-pill.active{
  background:var(--grad-btn);border-color:transparent;color:#fff;box-shadow:0 10px 24px rgba(109,59,255,.26);
}

/* ---------- 卡片网格 ---------- */
.card-x{
  background:#fff;border:var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35)}
.card-x .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E7E5F2,#D8D3F5)}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.card-x:hover .thumb img{transform:scale(1.03)}
.card-x .thumb .corner{
  position:absolute;top:12px;right:12px;padding:4px 11px;border-radius:999px;
  background:rgba(27,16,51,.72);color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(4px);
}
.card-x .thumb .corner.amber{background:rgba(255,180,67,.92);color:#3B2600}
.card-x .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-x h3{font-size:18px;margin-bottom:10px}
.card-x .desc{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag-x{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:rgba(109,59,255,.09);color:var(--brand);font-size:12.5px;font-weight:600;
}
.tag-x.cyan{background:rgba(0,211,199,.13);color:#078C84}
.tag-x.amber{background:rgba(255,180,67,.18);color:#9A6100}

/* ---------- 对照卡 ---------- */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{
  background:#fff;border:var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
}
.compare-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-btn)}
.compare-card.b::before{background:linear-gradient(180deg,#FFB443,#6D3BFF)}
.compare-card h3{margin-bottom:6px}
.compare-card .who{color:var(--muted);font-size:13.5px;margin-bottom:16px}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-list i{color:var(--cyan);font-size:13px;margin-top:6px}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:var(--border);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35)}
.check-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#6D3BFF,#00D3C7);color:#fff;font-weight:800;font-size:15px;
}
.check-item h3{font-size:16.5px;margin-bottom:6px}
.check-item p{color:var(--muted);font-size:14px;margin:0}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:#fff;border:var(--border);border-radius:14px;overflow:hidden;
  margin-bottom:14px;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:700;padding:20px 22px;
  box-shadow:none;border-left:3px solid transparent;
}
.faq-acc .accordion-button:not(.collapsed){
  background:#FBF9FF;color:var(--brand);border-left-color:var(--cyan);
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;transform:none;display:grid;place-items:center;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\f068";color:var(--cyan);transform:none}
.faq-acc .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:64px;border-radius:24px;padding:44px 40px;position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(27,16,51,.95) 0%,rgba(58,28,140,.9) 50%,rgba(109,59,255,.86) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
}
.cta-band .txt{position:relative;z-index:1;max-width:620px}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);margin:0;font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.share-dots{display:flex;gap:10px;margin-left:4px}
.share-dots span{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:14px;
  transition:background .2s ease,transform .2s ease;
}
.share-dots span:hover{background:rgba(0,211,199,.32);transform:translateY(-2px)}
.back-home{display:inline-flex;align-items:center;gap:8px;margin-top:26px;color:var(--brand);font-weight:700;font-size:14.5px}
.back-home:hover{color:var(--cyan);gap:12px}

/* ---------- 空态 ---------- */
.empty-x{
  display:none;text-align:center;background:rgba(109,59,255,.06);border:1px dashed rgba(109,59,255,.3);
  border-radius:var(--r-card);padding:48px 24px;margin-bottom:24px;
}
.empty-x i{font-size:30px;color:var(--brand);margin-bottom:12px;display:block}
.empty-x p{color:var(--muted);margin-bottom:16px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;background:var(--grad-brand);color:rgba(255,255,255,.78);
  position:relative;overflow:hidden;
}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 28px);
}
.site-footer .footer-inner{position:relative;z-index:1;padding:56px 32px 34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#00D3C7,#6D3BFF);color:#fff;font-size:16px;
}
.footer-brand .name{color:#fff;font-weight:800;font-size:16px;letter-spacing:.5px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:300px;margin:0}
.footer-title{color:#fff;font-weight:700;font-size:14.5px;margin-bottom:14px;letter-spacing:1px}
.footer-list li{margin-bottom:10px;font-size:13.5px}
.footer-list a{color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--cyan)}
.footer-list span{color:rgba(255,255,255,.66)}
.footer-bottom{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.16);padding:18px 32px 26px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 抽屉 ---------- */
.offcanvas-x{background:var(--grad-brand);color:#fff;border:0}
.offcanvas-x .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.16);padding:18px 20px}
.offcanvas-x .offcanvas-title{color:#fff;font-weight:800;font-size:15px}
.offcanvas-x .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.offcanvas-x .offcanvas-body{padding:18px 16px}
.drawer-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border-radius:12px;padding:0 12px;margin-bottom:18px}
.drawer-search input{background:transparent;border:0;outline:0;color:#fff;height:44px;width:100%;font-size:14px}
.drawer-search input::placeholder{color:rgba(255,255,255,.6)}
.drawer-search i{color:rgba(255,255,255,.7)}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .shell-aside{display:flex}
  .shell-main{margin-left:var(--aside-w)}
  .burger{display:none}
  .topbar-logo{display:none}
  .top-cta{display:inline-flex}
  .top-search{display:block;margin-left:0}
  .topbar-inner{height:72px}
}
@media (max-width:991.98px){
  .hero-cat{padding:34px 24px;border-radius:20px}
  .section{padding:44px 0 0}
  .cta-band{padding:32px 24px;border-radius:20px;margin-top:44px}
  .site-footer{margin-top:52px}
  .container-x{padding-left:24px;padding-right:24px}
  .site-footer .footer-inner{padding:44px 24px 26px}
  .footer-bottom{padding:16px 24px 22px}
}
@media (max-width:767.98px){
  .compare-wrap,.check-grid{grid-template-columns:1fr}
  .container-x{padding-left:16px;padding-right:16px}
  .site-footer .footer-inner{padding:38px 16px 22px}
  .footer-bottom{padding:14px 16px 20px}
  .hero-cat{padding:28px 18px}
  .card-x .body{padding:18px 18px 20px}
  .cta-band{padding:26px 18px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1 1 auto}
}
@media (max-width:519.98px){
  body{font-size:15.5px}
  .hero-cat h1{font-size:26px}
  .filter-pill{padding:8px 14px;font-size:13.5px}
}

/* roulang page: article */
:root{
  --ink:#1B1033;
  --brand:#6D3BFF;
  --brand-2:#3A1C8C;
  --cyan:#00D3C7;
  --gold:#FFB443;
  --bg:#F6F5FB;
  --line:#E7E5F2;
  --muted:#6E6A85;
  --text:#2A2440;
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#1B1033 0%,#3A1C8C 48%,#6D3BFF 100%);
  --grad-btn:linear-gradient(120deg,#6D3BFF 0%,#00D3C7 100%);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(27,16,51,.06);
  --sh-2:0 14px 34px rgba(109,59,255,.18);
  --sh-3:0 24px 60px rgba(27,16,51,.22);
  --shell:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.5px;line-height:1.4}
p{margin:0 0 18px}
::selection{background:rgba(109,59,255,.22)}
:focus-visible{outline:3px solid rgba(0,211,199,.5);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.shell{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--shell);
  height:100vh;
  padding:24px 16px 18px;
  background:var(--grad);
  overflow-y:auto;
  z-index:1040;
}
.shell::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 1px,transparent 1px 42px);
  opacity:.7;
  pointer-events:none;
}
.shell>*{position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 20px;text-decoration:none}
.brand .mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:var(--grad-btn);
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:0 10px 24px rgba(0,211,199,.28);
}
.brand .name{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:.6px;line-height:1.3}
.brand .sub{display:block;color:rgba(255,255,255,.62);font-size:12px;letter-spacing:.4px}
.shell-group{margin:14px 0 8px;padding:0 10px;font-size:12px;letter-spacing:1.6px;color:rgba(255,255,255,.5);font-weight:600}
.shell-nav{display:flex;flex-direction:column;gap:4px}
.nav-link-x{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;
  border-radius:12px;
  color:rgba(255,255,255,.8);
  font-size:15px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-link-x i{width:18px;text-align:center;font-size:15px;opacity:.9}
.nav-link-x::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:20px;border-radius:2px;background:var(--cyan);
  transition:transform .22s ease;
}
.nav-link-x:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateX(2px)}
.nav-link-x:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-link-x.active{background:rgba(109,59,255,.35);color:#fff;font-weight:600}
.nav-link-x.active::before{transform:translateY(-50%) scaleY(1)}
.shell-card{
  margin-top:22px;
  padding:18px;
  border-radius:16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.78);
  font-size:13px;
  line-height:1.7;
}
.shell-card strong{display:block;color:#fff;font-size:15px;margin-bottom:6px;letter-spacing:.4px}
.shell-card .mini-cta{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  padding:9px 16px;border-radius:var(--r-btn);
  background:var(--grad-btn);color:#fff;font-weight:600;font-size:13px;
  box-shadow:0 10px 22px rgba(109,59,255,.32);
}
.shell-card .mini-cta:hover{color:#fff;filter:brightness(1.06)}
.badge-dot{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(0,211,199,.16);color:#B6FFFA;font-size:12px;font-weight:600;
}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}

.main-wrap{margin-left:var(--shell);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:1030;
  display:flex;align-items:center;gap:16px;
  min-height:64px;padding:10px 32px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.icon-btn{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);align-items:center;justify-content:center;
}
.search-box{position:relative;flex:1;max-width:420px}
.search-box i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}
.search-box input{
  width:100%;height:44px;padding:0 14px 0 40px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(109,59,255,.14)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.ghost-link{font-size:14px;color:var(--muted);font-weight:500}
.ghost-link:hover{color:var(--brand)}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-btn);border:0;
  font-weight:600;font-size:15px;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary-x{background:var(--grad-btn);color:#fff;box-shadow:0 12px 26px rgba(109,59,255,.26)}
.btn-primary-x:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-2)}
.btn-primary-x:active{transform:translateY(-1px)}
.btn-outline-x{background:#fff;color:var(--brand);border:1px solid rgba(109,59,255,.45)}
.btn-outline-x:hover{background:rgba(109,59,255,.10);color:var(--brand)}
.btn-ghost-x{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost-x:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm-x{min-height:38px;padding:8px 16px;font-size:14px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.page-body{flex:1;padding:32px 0 72px}

/* ---------- 面包屑 & 文章头部 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--ink);font-weight:600}

.layout-article{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}
.panel{background:#fff;border:1px solid rgba(109,59,255,.14);border-radius:var(--r-card);box-shadow:var(--sh-1)}

.article-card{padding:40px}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:26px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(109,59,255,.10);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
h1.article-title{font-size:clamp(28px,4vw,44px);line-height:1.32;margin-bottom:16px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);
  font-size:13px;color:var(--muted);font-weight:500;
}
.chip.solid{background:rgba(255,180,67,.16);border-color:rgba(255,180,67,.4);color:#8A5A0B;font-weight:600}
.chip.teal{background:rgba(0,211,199,.14);border-color:rgba(0,211,199,.36);color:#046E68;font-weight:600}
.summary-box{
  margin-top:18px;padding:16px 20px;border-radius:14px;
  background:rgba(109,59,255,.06);border-left:4px solid var(--brand);
  color:#4A4468;font-size:15px;
}

/* ---------- 正文排版 ---------- */
.article-body{max-width:820px;margin:0 auto;font-size:16px;line-height:1.9;color:#332C52}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);
  margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:19px;margin:26px 0 12px}
.article-body p{margin:0 0 18px}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body ul{list-style:none;padding-left:4px}
.article-body ul>li{position:relative;padding-left:20px}
.article-body ul>li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--cyan);
}
.article-body ol>li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:rgba(109,59,255,.07);border-radius:0 14px 14px 0;color:#453E68;
}
.article-body img{margin:24px auto;border-radius:12px;box-shadow:var(--sh-1)}
.article-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body table th,.article-body table td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body table th{background:var(--bg);font-weight:700;color:var(--ink)}
.article-body pre{
  background:#1B1033;color:#EDE9FF;padding:18px 20px;border-radius:14px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:rgba(109,59,255,.10);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 文末区块 ---------- */
.article-foot{margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tag{padding:6px 14px;border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);color:var(--muted);font-size:13px}
.tag:hover{border-color:rgba(109,59,255,.4);color:var(--brand)}
.action-row{display:flex;flex-wrap:wrap;gap:12px}
.empty-state{
  padding:56px 24px;text-align:center;border-radius:16px;
  background:rgba(109,59,255,.06);border:1px dashed rgba(109,59,255,.28);
}
.empty-state .ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  display:grid;place-items:center;background:#fff;color:var(--brand);font-size:24px;box-shadow:var(--sh-1);
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- 推荐 / 侧栏 ---------- */
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:48px 0 20px}
.section-title h2{font-size:clamp(20px,2.2vw,28px)}
.section-title p{margin:6px 0 0;font-size:14px;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card-x{
  background:#fff;border:1px solid rgba(109,59,255,.14);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
  display:flex;flex-direction:column;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35)}
.card-x .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:0;background:linear-gradient(140deg,#E7E5F2,#D8D3F5)}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .32s ease}
.card-x:hover .thumb img{transform:scale(1.03)}
.card-x .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-x h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.card-x p{font-size:14px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-x .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted)}
.badge-float{
  position:absolute;top:12px;right:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--gold);color:#3A2500;font-size:12px;font-weight:700;
}
.side-col{display:flex;flex-direction:column;gap:22px}
.side-card{padding:22px 24px}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand)}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.toc-list li a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
  color:var(--text);font-size:14px;transition:background .2s ease,transform .2s ease,color .2s ease;
}
.toc-list li a:hover{background:rgba(109,59,255,.08);color:var(--brand);transform:translateX(4px)}
.toc-list li a span{color:var(--cyan);font-weight:700}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.hot-list li a{
  display:flex;justify-content:space-between;gap:12px;align-items:flex-start;
  font-size:14px;color:var(--text);padding:12px 14px;border-radius:12px;background:var(--bg);
  transition:background .2s ease,transform .2s ease;
}
.hot-list li a:hover{background:rgba(109,59,255,.10);color:var(--brand);transform:translateX(4px)}
.hot-list li a em{font-style:normal;color:var(--muted);font-size:12px;white-space:nowrap}
.sticky-side{position:sticky;top:88px}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}
.pager a{
  display:block;padding:20px 22px;border-radius:16px;background:#fff;
  border:1px solid rgba(109,59,255,.14);box-shadow:var(--sh-1);color:var(--text);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(109,59,255,.35);color:var(--text)}
.pager span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;letter-spacing:.6px}
.pager strong{font-size:16px;color:var(--ink)}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:56px;
  border-radius:22px;padding:44px 46px;
  background:var(--grad);color:#fff;box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.08) 0 1px,transparent 1px 46px);
  pointer-events:none;
}
.cta-band .inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);margin:0;max-width:620px;font-size:15px}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.social-row{display:flex;gap:10px;margin-top:6px}
.social-row a{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24);
}
.social-row a:hover{background:rgba(0,211,199,.3);color:#fff}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:56px}
.accordion-x .accordion-item{
  background:#fff;border:1px solid rgba(109,59,255,.14);border-radius:14px !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-x .accordion-button{
  font-size:16px;font-weight:700;color:var(--ink);background:#fff;padding:20px 24px;
  border-radius:14px !important;box-shadow:none !important;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand);background:rgba(109,59,255,.05);border-left:3px solid var(--cyan)}
.accordion-x .accordion-button::after{filter:hue-rotate(230deg) saturate(1.4)}
.accordion-x .accordion-body{font-size:15px;color:var(--muted);padding:0 24px 22px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:64px;background:var(--grad);color:rgba(255,255,255,.78);padding:56px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.06) 0 1px,transparent 1px 46px);
  pointer-events:none;
}
.footer-inner,.footer-bottom{position:relative;z-index:1}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-btn);
  display:grid;place-items:center;color:#fff;
}
.footer-brand .name{color:#fff;font-size:17px;font-weight:800;letter-spacing:.5px}
.footer-desc{font-size:14px;color:rgba(255,255,255,.7);margin:0;max-width:320px}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{color:rgba(255,255,255,.75);font-size:14px}
.footer-list a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .layout-article{grid-template-columns:minmax(0,1fr)}
  .side-col{order:2}
  .sticky-side{position:static}
}
@media (max-width:991.98px){
  :root{--shell:0px}
  .shell{display:none}
  .main-wrap{margin-left:0}
  .topbar{padding:10px 16px;gap:12px}
  .icon-btn{display:inline-flex}
  .ghost-link{display:none}
  .container-x{padding:0 16px}
  .page-body{padding:24px 0 56px}
  .article-card{padding:24px 20px}
  .cta-band{padding:30px 24px;border-radius:18px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767.98px){
  .search-box{max-width:none}
  .pager{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .article-card{padding:20px 16px}
  .summary-box{padding:14px 16px}
  .cta-band .cta-actions .btn-x{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
.offcanvas-x{background:var(--grad);color:#fff}
.offcanvas-x .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.offcanvas-x .shell-nav{margin-top:10px}

/* roulang page: category3 */
:root{
  --ink:#1B1033;
  --brand:#6D3BFF;
  --brand-deep:#4D21D6;
  --cyan:#00D3C7;
  --gold:#FFB443;
  --bg:#F6F5FB;
  --line:#E7E5F2;
  --muted:#6E6A85;
  --text:#2A2440;
  --card-line:rgba(109,59,255,.14);
  --card-line-hover:rgba(109,59,255,.35);
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 6px 18px rgba(27,16,51,.06);
  --sh-2:0 14px 34px rgba(109,59,255,.18);
  --sh-3:0 24px 60px rgba(27,16,51,.22);
  --grad:linear-gradient(120deg,#1B1033 0%,#3A1C8C 48%,#6D3BFF 100%);
  --grad-btn:linear-gradient(120deg,#6D3BFF 0%,#00D3C7 100%);
  --shell-w:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease, background .22s ease, transform .22s ease;}
a:hover{color:var(--brand-deep);}
button,input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.5px;line-height:1.35;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(0,211,199,.5);outline-offset:2px;border-radius:8px;}

/* ---------- 布局骨架 ---------- */
.app-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell-w);
  background:var(--grad);
  padding:22px 16px 28px;
  overflow-y:auto;
  z-index:1030;
  border-right:1px solid rgba(255,255,255,.06);
}
.app-shell::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px);
  opacity:.5;
}
.app-shell > *{position:relative;z-index:1;}
.app-main{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 侧栏品牌 ---------- */
.shell-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 18px;border-bottom:1px solid rgba(255,255,255,.12);}
.shell-brand .mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:linear-gradient(120deg,#00D3C7,#6D3BFF);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;box-shadow:0 8px 20px rgba(0,211,199,.28);
}
.shell-brand .txt{display:flex;flex-direction:column;min-width:0;}
.shell-brand .txt strong{color:#fff;font-size:15px;font-weight:800;letter-spacing:.4px;line-height:1.3;}
.shell-brand .txt em{font-style:normal;font-size:12px;color:rgba(255,255,255,.62);letter-spacing:1px;}
.shell-label{
  margin:22px 8px 10px;font-size:12px;letter-spacing:2px;color:rgba(255,255,255,.45);
}
.shell-nav{display:flex;flex-direction:column;gap:6px;}
.nav-link-x{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:12px;color:rgba(255,255,255,.82);
  font-size:15px;font-weight:600;transition:background .22s ease,color .22s ease;
}
.nav-link-x i{width:18px;text-align:center;font-size:15px;color:rgba(255,255,255,.66);transition:color .22s ease;}
.nav-link-x::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--cyan);border-radius:0 3px 3px 0;transition:height .22s ease;
}
.nav-link-x:hover{background:rgba(255,255,255,.10);color:#fff;}
.nav-link-x:hover i{color:var(--cyan);}
.nav-link-x:hover::before{height:18px;}
.nav-link-x.active{background:rgba(109,59,255,.35);color:#fff;}
.nav-link-x.active i{color:var(--cyan);}
.nav-link-x.active::before{height:24px;}
.shell-quick{display:flex;flex-direction:column;gap:4px;}
.shell-quick a{
  display:flex;align-items:center;gap:9px;padding:9px 14px;border-radius:12px;
  color:rgba(255,255,255,.68);font-size:14px;
}
.shell-quick a i{font-size:13px;color:rgba(0,211,199,.75);}
.shell-quick a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px);}
.shell-card{
  margin-top:22px;padding:18px 16px;border-radius:16px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.86);
}
.shell-card .badge-line{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#fff;}
.shell-card .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,211,199,.18);}
.shell-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.66);margin-top:8px;}
.btn-mini{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:8px 16px;
  border-radius:10px;background:linear-gradient(120deg,#00D3C7,#6D3BFF);color:#fff;
  font-size:13px;font-weight:700;box-shadow:0 8px 18px rgba(0,211,199,.24);
}
.btn-mini:hover{color:#fff;transform:translateY(-1px);}

/* ---------- 顶部工具条 ---------- */
.topbar{
  position:sticky;top:0;z-index:1020;
  display:flex;align-items:center;gap:16px;
  padding:13px 32px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--card-line);
  background:#fff;color:var(--brand);font-size:18px;align-items:center;justify-content:center;
}
.topbar-brand{display:none;font-weight:800;color:var(--ink);font-size:16px;}
.topbar-search{
  flex:1;max-width:440px;display:flex;align-items:center;gap:10px;
  padding:0 16px;height:44px;border-radius:12px;background:#fff;
  border:1px solid var(--card-line);box-shadow:var(--sh-1);transition:.22s;
}
.topbar-search i{color:var(--muted);font-size:14px;}
.topbar-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);
}
.topbar-search input::placeholder{color:#A9A5BC;}
.topbar-search:focus-within{border-color:rgba(109,59,255,.55);box-shadow:0 0 0 4px rgba(109,59,255,.12);}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.btn-ghost-sm{
  display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border-radius:12px;
  background:var(--grad-btn);color:#fff;font-size:14px;font-weight:700;
  box-shadow:var(--sh-2);min-height:44px;
}
.btn-ghost-sm:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.btn-plain-sm{
  display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:12px;
  border:1px solid rgba(109,59,255,.35);color:var(--brand);font-size:14px;font-weight:600;
  background:#fff;min-height:44px;
}
.btn-plain-sm:hover{background:rgba(109,59,255,.10);color:var(--brand-deep);}

/* ---------- Hero ---------- */
main{flex:1;}
.hero-wrap{padding:26px 0 0;}
.hero-cat{
  position:relative;overflow:hidden;border-radius:24px;
  padding:42px 44px 46px;
  background:
    linear-gradient(120deg,rgba(27,16,51,.90) 0%,rgba(58,28,140,.86) 48%,rgba(109,59,255,.80) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  box-shadow:var(--sh-2);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 240px at 88% 8%,rgba(0,211,199,.22),transparent 70%),
    radial-gradient(420px 220px at 6% 96%,rgba(255,180,67,.16),transparent 72%);
}
.hero-cat-inner{position:relative;z-index:2;max-width:760px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:14px;}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--cyan);}
.crumb em{font-style:normal;color:var(--cyan);}
.hero-cat h1{
  color:#fff;font-size:clamp(28px,4vw,44px);letter-spacing:1px;
  text-shadow:0 8px 26px rgba(0,0,0,.28);
}
.hero-sub{
  margin-top:14px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px;
}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.92);
}
.chip .dot{width:6px;height:6px;border-radius:50%;}
.dot-cyan{background:var(--cyan);}
.dot-gold{background:var(--gold);}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0 0;}
.section-head{margin-bottom:28px;max-width:760px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);
  background:rgba(109,59,255,.08);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;}

/* ---------- 节奏三段 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.phase{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 24px;transition:.28s;
}
.phase::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad-btn);}
.phase:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--card-line-hover);}
.phase .no{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--brand);}
.phase h3{margin-top:10px;font-size:19px;}
.phase p{margin-top:10px;color:var(--muted);font-size:15px;}
.phase .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(109,59,255,.08);color:var(--brand);
}
.tag-gold{background:rgba(255,180,67,.16);color:#9A6000;}
.tag-cyan{background:rgba(0,211,199,.14);color:#007A73;}

/* ---------- 时间轴 ---------- */
.timeline{display:flex;flex-direction:column;gap:0;}
.tl-item{position:relative;display:grid;grid-template-columns:76px minmax(0,1fr);gap:22px;padding-bottom:26px;}
.tl-item::before{
  content:"";position:absolute;left:37px;top:80px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(109,59,255,.42),rgba(0,211,199,.06));
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-num{
  width:76px;height:76px;border-radius:22px;background:var(--grad);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#fff;box-shadow:var(--sh-2);
}
.tl-num b{font-size:24px;line-height:1;font-weight:800;}
.tl-num span{font-size:11px;letter-spacing:1px;opacity:.78;margin-top:5px;}
.tl-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px 26px;transition:.3s;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--card-line-hover);}
.tl-card .tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.tl-card h3{font-size:19px;}
.tl-card .tl-time{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;
  color:#9A6000;background:rgba(255,180,67,.16);border-radius:999px;padding:5px 12px;
}
.tl-card p{margin-top:12px;color:var(--muted);font-size:15px;}
.tl-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-media{margin-top:18px;border-radius:14px;overflow:hidden;}
.tl-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s ease;}
.tl-card:hover .tl-media img{transform:scale(1.03);}

/* ---------- 行式列表 ---------- */
.row-list{display:flex;flex-direction:column;gap:14px;}
.row-item{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px 24px;transition:.26s;
}
.row-item:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:var(--card-line-hover);}
.row-ico{
  width:52px;height:52px;flex:0 0 52px;border-radius:16px;
  background:rgba(109,59,255,.10);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.row-body{flex:1;min-width:0;}
.row-body h3{font-size:17px;}
.row-body p{margin-top:6px;color:var(--muted);font-size:14px;}
.row-item .arrow{color:rgba(109,59,255,.5);font-size:15px;}
.row-item:hover .arrow{color:var(--brand);}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow-x:auto;
}
table.cmp{width:100%;border-collapse:collapse;min-width:680px;}
table.cmp th{
  background:rgba(109,59,255,.07);color:var(--ink);font-size:14px;font-weight:800;
  text-align:left;padding:16px 22px;white-space:nowrap;
}
table.cmp td{
  padding:16px 22px;border-top:1px solid var(--line);font-size:15px;color:var(--muted);
}
table.cmp td:first-child{color:var(--text);font-weight:700;white-space:nowrap;}
table.cmp tr:hover td{background:rgba(109,59,255,.035);}

/* ---------- 提醒带 ---------- */
.alert-band{
  position:relative;overflow:hidden;border-radius:24px;padding:38px 40px;
  background:
    linear-gradient(120deg,rgba(27,16,51,.94) 0%,rgba(58,28,140,.90) 52%,rgba(109,59,255,.84) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  box-shadow:var(--sh-2);
}
.alert-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 24px);
  opacity:.6;
}
.alert-inner{position:relative;z-index:2;}
.alert-inner h2{color:#fff;font-size:clamp(20px,2.4vw,28px);}
.alert-inner > p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;max-width:720px;}
.alert-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px;}
.alert-point{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:18px 20px;
}
.alert-point b{display:block;color:var(--cyan);font-size:14px;letter-spacing:1px;}
.alert-point span{display:block;margin-top:8px;color:rgba(255,255,255,.86);font-size:14px;line-height:1.75;}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--card-line);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-body h2{font-size:clamp(22px,2.6vw,30px);}
.split-body p{margin-top:14px;color:var(--muted);font-size:15px;}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);}
.check-list li i{
  margin-top:6px;width:18px;height:18px;flex:0 0 18px;border-radius:50%;
  background:rgba(0,211,199,.16);color:#00857E;font-size:10px;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- FAQ ---------- */
.acc .accordion-item{
  border:1px solid var(--card-line);border-radius:14px;overflow:hidden;
  background:#fff;box-shadow:var(--sh-1);margin-bottom:14px;
}
.acc .accordion-item:last-child{margin-bottom:0;}
.acc .accordion-button{
  position:relative;background:#fff;color:var(--ink);font-size:16px;font-weight:700;
  padding:19px 24px 19px 26px;box-shadow:none !important;border-radius:14px;
}
.acc .accordion-button:not(.collapsed){background:rgba(109,59,255,.06);color:var(--brand);}
.acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--cyan);border-radius:0 3px 3px 0;
}
.acc .accordion-button::after{transform:scale(.86);}
.acc .accordion-body{padding:2px 26px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:42px 44px;
  background:var(--grad);box-shadow:var(--sh-2);
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(480px 220px at 86% 12%,rgba(0,211,199,.24),transparent 70%);
}
.cta-copy{position:relative;z-index:2;max-width:560px;}
.cta-copy h2{color:#fff;font-size:clamp(21px,2.4vw,28px);}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.80);font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
.btn-main{
  display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border:0;
  border-radius:var(--r-btn);background:var(--grad-btn);color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--sh-2);cursor:pointer;min-height:48px;transition:.25s;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-3);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;padding:13px 24px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.42);
  color:#fff;background:rgba(255,255,255,.08);font-weight:600;font-size:15px;
  min-height:48px;cursor:pointer;transition:.25s;
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid rgba(109,59,255,.45);color:var(--brand);background:#fff;
  font-weight:600;font-size:15px;min-height:48px;transition:.25s;
}
.btn-line:hover{background:rgba(109,59,255,.10);color:var(--brand-deep);transform:translateY(-2px);}
.back-home{display:flex;justify-content:center;margin-top:28px;}
.back-home a{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--muted);}
.back-home a:hover{color:var(--brand);transform:translateX(-3px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  background:var(--grad);
  color:rgba(255,255,255,.78);
  padding:56px 0 0;
  position:relative;overflow:hidden;
}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 26px);
}
.footer-inner,.footer-bottom{position:relative;z-index:2;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .mark{
  width:40px;height:40px;border-radius:14px;background:linear-gradient(120deg,#00D3C7,#6D3BFF);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
}
.footer-brand .name{color:#fff;font-weight:800;font-size:16px;letter-spacing:.5px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;letter-spacing:.5px;}
.footer-list li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-list a{color:rgba(255,255,255,.68);}
.footer-list a:hover{color:var(--cyan);transform:translateX(3px);display:inline-block;}
.footer-bottom{
  margin-top:44px;padding:20px 32px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);max-width:1200px;
}

/* ---------- 抽屉菜单 ---------- */
.offcanvas.shell-drawer{background:var(--grad);color:#fff;width:280px;border:0;}
.shell-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.14);}
.shell-drawer .offcanvas-title{color:#fff;font-weight:800;font-size:15px;}
.shell-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);}
.shell-drawer .drawer-body{padding:18px 16px 28px;overflow-y:auto;}
.shell-drawer .nav-link-x{font-size:15px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container-x{padding:0 24px;}
}
@media (max-width:991.98px){
  .app-shell{display:none;}
  .app-main{margin-left:0;}
  .burger{display:inline-flex;}
  .topbar{padding:11px 16px;gap:12px;}
  .topbar-brand{display:block;}
  .topbar-search{display:none;}
  .topbar-actions .btn-plain-sm{display:none;}
  .container-x{padding:0 24px;}
  .hero-cat{padding:34px 28px 38px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;}
  .alert-points{grid-template-columns:1fr;}
  .cta-band{padding:34px 28px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .section{padding:44px 0 0;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .hero-wrap{padding:16px 0 0;}
  .hero-cat{border-radius:20px;padding:28px 20px 32px;}
  .hero-sub{font-size:15px;}
  .chip{font-size:12px;padding:7px 13px;}
  .tl-item{grid-template-columns:54px minmax(0,1fr);gap:14px;}
  .tl-item::before{left:26px;top:58px;}
  .tl-num{width:54px;height:54px;border-radius:16px;}
  .tl-num b{font-size:18px;}
  .tl-num span{font-size:9px;}
  .tl-card,.phase{padding:20px 18px;}
  .row-item{padding:16px 18px;gap:14px;}
  .row-ico{width:46px;height:46px;flex:0 0 46px;border-radius:14px;font-size:17px;}
  .alert-band,.cta-band{border-radius:20px;padding:28px 20px;}
  .btn-main,.btn-ghost,.btn-line{width:100%;justify-content:center;}
  .footer-bottom{padding:18px 16px;}
  .site-footer{padding-top:44px;}
}