/* roulang page: index */
:root{
  --bg-0:#080b0f;
  --bg-1:#0a0e13;
  --bg-2:#10161c;
  --bg-3:#171e26;
  --accent:#00dfa0;
  --accent-soft:rgba(0,223,160,.14);
  --accent-line:rgba(0,223,160,.4);
  --amber:#ffd166;
  --text-hi:#edf2f0;
  --text-mid:#a2aeab;
  --text-low:#6b7674;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:16px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",Consolas,monospace;
  --ease:cubic-bezier(.19,1,.22,1)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg-1);
  color:var(--text-hi);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease-out}
button,input,textarea{font:inherit}
.container{max-width:1320px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent);color:#07100c}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:48px;padding:.72rem 1.6rem;border-radius:var(--radius-sm);
  font-weight:600;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;transition:all .25s ease-out;cursor:pointer
}
.btn i{font-size:.9em}
.btn-primary{
  background:var(--accent);color:#06100c;border-color:var(--accent)
}
.btn-primary:hover{
  background:#38f0b5;border-color:#38f0b5;transform:translateY(-2px);
  box-shadow:0 0 0 3px rgba(0,223,160,.18),0 10px 34px rgba(0,223,160,.16)
}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-border{
  background:rgba(255,255,255,.02);color:var(--text-hi);border:1px solid var(--line-strong)
}
.btn-border:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{min-height:44px;padding:.55rem 1rem;font-size:14px}

.hero-section{
  position:relative;
  padding:116px 0 84px;
  background:
    linear-gradient(90deg,rgba(8,11,15,.94) 0%,rgba(8,11,15,.72) 42%,rgba(8,11,15,.28) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden
}
.hero-section .hero-inner{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.65rem;
  font-size:13px;letter-spacing:.14em;color:var(--text-mid);
  border:1px solid var(--line);border-radius:999px;
  padding:.28rem .9rem;margin-bottom:1.6rem;
  background:rgba(255,255,255,.02)
}
.hero-eyebrow i{color:var(--accent);font-size:11px}
.hero-title{
  font-size:clamp(40px,6.5vw,72px);
  line-height:1.12;font-weight:800;
  letter-spacing:-.02em;margin:0 0 1.2rem;
  text-wrap:balance
}
.hero-title .accent{color:var(--accent)}
.hero-lead{
  font-size:20px;line-height:1.7;color:#cad1ce;
  max-width:26em;margin:0 0 2rem
}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.4rem}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .5rem;
  color:var(--text-low);font-size:14px
}
.hero-meta span{display:inline-flex;align-items:center;gap:.3rem}
.hero-meta i{color:var(--accent);font-size:6px}
.hero-meta .sep{width:1px;height:14px;background:var(--line-strong);margin:0 .4rem}

.countdown-strip{
  background:#0d1218;
  border-bottom:1px solid var(--line);
  padding:13px 0;position:relative;z-index:5
}
.countdown-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.countdown-note{display:inline-flex;align-items:center;gap:.55rem;font-size:14px;color:var(--text-mid)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,223,160,.15);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(0,223,160,0)}}
.countdown-clock{display:flex;align-items:center;gap:6px}
.countdown-clock strong{font-family:var(--font-mono);font-size:18px;font-weight:600;color:var(--amber)}
.clock-unit{display:inline-flex;align-items:baseline;gap:.25rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:5px;padding:.1rem .5rem}
.clock-unit span{font-size:12px;color:var(--text-low)}
.clock-sep{color:var(--text-low);font-family:var(--font-mono)}
.countdown-expired{display:none;align-items:center;gap:14px;color:var(--amber);font-size:15px}
.countdown-expired a{color:var(--text-hi)}
.countdown-expired a:hover{color:var(--accent)}

.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(10,14,19,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,var(--accent),transparent 40%) 1
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:.7rem;flex-shrink:0;font-weight:800}
.brand-tag{
  width:34px;height:34px;border-radius:8px;
  background:var(--accent);color:#06100c;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-weight:700;font-size:17px;
  position:relative;overflow:hidden
}
.brand-tag::after{content:"";position:absolute;left:4px;right:4px;bottom:3px;height:2px;background:#06100c;opacity:.35}
.brand-text{font-size:19px;letter-spacing:.02em}
.primary-nav{display:flex;align-items:center;gap:2.2rem}
.menu-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:1.75rem}
.menu-list a{
  position:relative;color:var(--text-mid);font-size:15px;
  padding:.35rem 0;display:inline-flex
}
.menu-list a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--accent);transition:right .3s var(--ease)
}
.menu-list a:hover{color:var(--text-hi)}
.menu-list a:hover::after{right:0}
.menu-list a.active{color:var(--text-hi)}
.menu-list a.active::after{
  right:0;height:2px;
  box-shadow:0 0 12px var(--accent-line),0 0 20px var(--accent-soft)
}
.nav-btn{margin-left:.5rem;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;background:transparent;border:1px solid var(--line);
  border-radius:8px;color:var(--text-hi);font-size:19px;align-items:center;justify-content:center
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}

.section{padding:100px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:50px}
.section-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;margin:0;letter-spacing:-.01em}
.section-head p{color:var(--text-mid);margin:.5rem 0 0;max-width:600px}
.section-tag{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;
  color:var(--accent);border:1px solid rgba(0,223,160,.25);
  border-radius:999px;padding:.2rem .85rem;background:rgba(0,223,160,.06)
}
.section-cta-link{color:var(--text-mid);font-size:14px}
.section-cta-link:hover{color:var(--accent)}

.point-layout{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:start}
.point-left{position:sticky;top:110px}
.point-index{font-family:var(--font-mono);font-size:15px;color:var(--amber);letter-spacing:.1em;display:block;margin-bottom:1rem}
.point-left h2{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.16;margin:0 0 1rem}
.point-left p{color:var(--text-mid);font-size:15px;max-width:380px}
.point-list{border-top:1px solid var(--line)}
.point-item{
  position:relative;display:grid;grid-template-columns:70px 1fr;
  gap:10px 30px;padding:26px 0 26px 18px;border-bottom:1px solid var(--line);
  transition:background .25s ease
}
.point-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:38%;background:var(--accent);transition:transform .3s var(--ease)
}
.point-item:hover::before{transform:translateY(-50%) scaleY(1)}
.point-no{font-family:var(--font-mono);color:var(--text-low);font-size:15px;padding-top:.3rem}
.point-text h3{font-size:20px;font-weight:700;margin:0 0 .45rem;color:var(--text-hi)}
.point-text p{margin:0;color:var(--text-mid);font-size:15px;line-height:1.6}

.module-wall{background:var(--bg-2);border-block:1px solid var(--line)}
.wall-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:44px}
.wall-head h2{font-size:clamp(28px,4vw,42px);font-weight:800}
.wall-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.wall-item{border-radius:var(--radius-lg);overflow:hidden;position:relative;border:1px solid var(--line);background:var(--bg-3)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.wall-item:hover img{transform:scale(1.03)}
.wall-item .wall-caption{
  position:absolute;left:0;top:0;right:0;bottom:0;
  background:linear-gradient(180deg,rgba(8,10,13,.18) 30%,rgba(8,10,13,.88) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:18px 20px;opacity:0;transition:opacity .3s ease
}
.wall-item:hover .wall-caption,.wall-item:focus-within .wall-caption{opacity:1}
.wall-caption small{font-family:var(--font-mono);color:var(--accent);font-size:12px;margin-bottom:2px}
.wall-caption strong{font-weight:700;color:#fff;font-size:17px}
.wall-caption .arrow{
  position:absolute;right:18px;top:18px;width:35px;height:35px;
  border:1px solid rgba(255,255,255,.3);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;transition:transform .3s var(--ease);transform:translateX(-8px)
}
.wall-item:hover .wall-caption .arrow{transform:translateX(0)}
.w-item-a{grid-column:span 7;grid-row:span 2;min-height:430px}
.w-item-b{grid-column:span 5;min-height:200px}
.w-item-c{grid-column:span 5;min-height:200px}
.w-item-d{grid-column:span 4;min-height:250px}
.w-item-e{grid-column:span 8;min-height:250px}

.access-cta{
  background:var(--bg-0);
  background-image:radial-gradient(circle at 15% 20%,rgba(0,223,160,.08),transparent 36%),url('/assets/images/backpic/back-3.webp');
  background-size:cover,cover;
  background-position:center;
  position:relative
}
.access-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,11,15,.94),rgba(8,11,15,.75))}
.access-wrap{position:relative;z-index:2;display:grid;grid-template-columns:6.5fr 5.5fr;gap:56px;align-items:center}
.access-text h2{font-size:clamp(29px,4vw,46px);font-weight:800;line-height:1.2;margin:0 0 1.2rem}
.access-text p{color:var(--text-mid);max-width:560px;font-size:16px}
.access-list{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:10px}
.access-list li{display:flex;gap:.6rem;color:var(--text-mid);font-size:15px}
.access-list li i{color:var(--accent);font-size:8px;transform:translateY(8px)}
.access-panel{background:rgba(23,30,38,.82);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:36px;backdrop-filter:blur(12px)}
.access-panel h3{font-size:24px;font-weight:800;margin:0 0 .45rem}
.access-panel>p{color:var(--text-low);font-size:14px;margin:0 0 1.4rem}
.form-label{font-size:14px;color:var(--text-mid);margin-bottom:.4rem;display:block}
.form-control{
  background:rgba(255,255,255,.03);border:1px solid var(--line-strong);color:var(--text-hi);
  border-radius:8px;padding:.7rem .9rem;margin-bottom:1rem;width:100%;transition:border .25s ease
}
.form-control::placeholder{color:var(--text-low)}
.form-control:focus{background:rgba(255,255,255,.05);border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(0,223,160,.12)}
textarea.form-control{resize:vertical;min-height:88px}
.form-alert{
  display:none;margin-top:1rem;padding:.7rem .9rem;border-radius:8px;
  background:rgba(0,223,160,.08);border:1px solid rgba(0,223,160,.3);color:#d6fff1;font-size:14px
}
.form-alert.show{display:block}

.news-section{background:var(--bg-2);border-block:1px solid var(--line)}
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:120px 1fr auto;align-items:center;
  gap:28px;padding:22px 10px 22px 0;
  border-bottom:1px solid var(--line);background:transparent;
  transition:background .25s ease,padding-left .3s ease
}
.news-item:hover{background:rgba(255,255,255,.025);padding-left:14px}
.news-cat{
  justify-self:start;font-size:12.5px;padding:.2rem .8rem;
  border:1px solid rgba(0,223,160,.3);border-radius:4px;color:var(--accent);
  background:rgba(0,223,160,.05);white-space:nowrap
}
.news-main{min-width:0;display:block}
.news-title{display:block;color:var(--text-hi);font-size:18px;font-weight:650;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.news-summary{display:block;color:var(--text-low);font-size:14px;margin-top:.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-meta{display:flex;align-items:center;gap:16px;color:var(--text-low);font-size:13px}
.news-meta time{font-family:var(--font-mono);white-space:nowrap}
.news-arrow{
  width:36px;height:36px;border:1px solid var(--line);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-mid);
  transition:all .25s ease
}
.news-item:hover .news-arrow{color:var(--accent);border-color:var(--accent);transform:translateX(4px)}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:76px 20px;text-align:center;color:var(--text-low)
}
.news-empty .empty-mark{width:52px;height:52px;border-radius:50%;border:1px dashed var(--line-strong);position:relative}
.news-empty .empty-mark::after{content:"…";font-size:22px;color:var(--text-low);position:absolute;inset:0;display:flex;align-items:center;justify-content:center}

.faq-section{background:var(--bg-1)}
.faq-grid{display:grid;grid-template-columns:5.4fr 6.6fr;gap:56px;align-items:start}
.faq-guide .faq-index{font-family:var(--font-mono);color:var(--amber)}
.faq-guide h2{font-size:clamp(28px,4vw,42px);font-weight:800;margin:.4rem 0 1.4rem}
.faq-guide p{color:var(--text-mid)}
.guide-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:14px}
.guide-list li{display:flex;gap:.7rem;font-size:15px;color:var(--text-mid)}
.guide-list li i{color:var(--accent);font-size:9px;transform:translateY(8px)}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .25s ease}
.faq-item:has(.faq-q[aria-expanded="true"]){border-color:rgba(0,223,160,.18)}
.faq-q{
  width:100%;background:transparent;border:0;color:var(--text-hi);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  text-align:left;padding:20px 22px;font-size:16px;font-weight:600;cursor:pointer
}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex:none;width:22px;height:22px;position:relative;transition:transform .3s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-mid);transition:background .25s}
.faq-icon::before{left:50%;top:2px;bottom:2px;width:1px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:2px;right:2px;height:1px;transform:translateY(-50%)}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-q[aria-expanded="true"] .faq-icon::before,.faq-q[aria-expanded="true"] .faq-icon::after{background:var(--accent)}
.faq-answer{padding:0 22px 20px;color:var(--text-mid);font-size:15px;line-height:1.8}

.footer{background:#06090c;border-top:1px solid transparent;border-image:linear-gradient(90deg,var(--accent),transparent 30%,var(--accent)) 1}
.footer-top{padding-top:72px;padding-bottom:42px}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr;gap:48px}
.footer-brand .brand{margin-bottom:.7rem;font-size:26px}
.footer-brand .brand-mark{font-size:18px}
.footer-brand p{color:var(--text-low);font-size:14px;max-width:300px;margin-top:.6rem}
.footer h3{font-size:16px;font-weight:700;color:var(--text-hi);margin-bottom:1rem}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.footer-links a{color:var(--text-mid);font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:var(--text-low);font-size:13px}
.footer-bottom .legal a{margin-left:1rem;color:var(--text-low)}
.footer-bottom .legal a:hover{color:var(--text-mid)}

@media(max-width:1199px){
  .section{padding:86px 0}
  .primary-nav{gap:1.5rem}
  .menu-list a{font-size:14px}
}
@media(max-width:991px){
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;top:73px;left:12px;right:12px;z-index:999;
    background:#10161c;border:1px solid var(--line);border-radius:14px;
    padding:1.4rem;flex-direction:column;align-items:flex-start;gap:1.2rem;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:all .25s var(--ease);box-shadow:0 30px 60px rgba(0,0,0,.5)
  }
  .primary-nav.open{opacity:1;visibility:visible;transform:none}
  .menu-list{flex-direction:column;align-items:flex-start;width:100%}
  .menu-list a::after{display:none}
  .menu-list a.active{color:var(--accent)}
  .nav-btn{width:100%;margin:.2rem 0 0}
  .point-layout{grid-template-columns:1fr;gap:22px}
  .point-left{position:static}
  .point-list{margin-top:10px}
  .access-wrap{grid-template-columns:1fr;gap:36px}
  .wall-item.w-item-a,.wall-item.w-item-b,.wall-item.w-item-c,.wall-item.w-item-d,.wall-item.w-item-e{grid-column:span 6;min-height:260px}
  .faq-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .countdown-strip__inner{flex-direction:column;align-items:flex-start}
  .hero-section{padding-top:88px}
  .news-item{grid-template-columns:1fr;gap:10px;align-items:start}
  .news-meta{justify-content:space-between;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .wall-item.w-item-a,.wall-item.w-item-b,.wall-item.w-item-c,.wall-item.w-item-d,.wall-item.w-item-e{grid-column:span 12;min-height:240px}
  .point-item{grid-template-columns:50px 1fr;padding-left:10px}
  .access-panel{padding:26px 20px}
  .section-cta-link{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root {
            --site-dark: #070b10;
            --panel-dark: #10161c;
            --panel-deep: #0a0e13;
            --ink: #131c19;
            --deep: #24322d;
            --muted: #5e6d67;
            --light: #f4f1ec;
            --paper: #f4f1ec;
            --paper-panel: #fffdf9;
            --line-light: #e2e4de;
            --line-dark: rgba(255, 255, 255, 0.08);
            --neon: #00dfa0;
            --neon-dark: #00b380;
            --yellow: #ffd166;
            --danger: #ff6b6b;
            --shadow: 0 18px 50px rgba(15, 30, 26, 0.14);
            --shadow-xl: 0 28px 80px rgba(0, 0, 0, 0.32);
            --radius: 12px;
            --radius-img: 16px;
            --ease: cubic-bezier(0.2, 0.9, 0.3, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            padding: 0;
            margin: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--site-dark);
            color: var(--ink);
            line-height: 1.7;
            overflow-x: hidden;
        }

        body.page-article {
            background: var(--site-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease-out, background 0.25s ease-out, border-color 0.25s ease-out, transform 0.25s ease-out, box-shadow 0.25s ease-out;
        }

        button,
        input,
        textarea {
            font: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 30px;
            padding-right: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 15px;
            border: 0;
            line-height: 1;
            cursor: pointer;
            transition: transform 0.25s ease-out, background 0.25s ease-out, color 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s ease-out;
        }

        .btn-primary {
            background: var(--neon);
            color: #031311;
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: #22ffbd;
            color: #031311;
            transform: translateY(-2px);
            box-shadow: 0 0 0 2px rgba(0, 223, 160, 0.32), 0 12px 28px rgba(0, 223, 160, 0.16);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-light {
            background: transparent;
            color: #edf2ef;
            border: 1px solid rgba(255, 255, 255, 0.65);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus-visible {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-dark-capsule {
            background: var(--paper-panel);
            border: 1px solid var(--line-light);
            color: var(--deep);
        }

        .btn-dark-capsule:hover,
        .btn-dark-capsule:focus-visible {
            background: var(--neon);
            color: #031311;
            border-color: var(--neon);
            transform: translateY(-2px);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 3px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 10, 14, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-dark);
        }

        .site-header::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--neon) 22%, rgba(0, 223, 160, 0.12) 76%, transparent 100%);
            opacity: 0.85;
        }

        .header-inner {
            min-height: 76px;
            display: flex;
            align-items: center;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #f1f5f3;
            font-weight: 800;
            font-size: 22px;
            letter-spacing: -0.3px;
        }

        .brand:hover,
        .brand:focus-visible {
            color: #ffffff;
        }

        .brand-tag {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--neon);
            color: #061a15;
            font-weight: 900;
            font-size: 19px;
            line-height: 1;
            box-shadow: 0 0 0 1px rgba(0, 223, 160, 0.2), 0 0 18px rgba(0, 223, 160, 0.12);
        }

        .brand-text {
            white-space: nowrap;
        }

        .primary-nav {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 26px;
        }

        .menu-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .menu-list a {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 12px;
            color: #aab5b0;
            font-size: 15px;
            font-weight: 500;
            border-radius: 4px;
            position: relative;
        }

        .menu-list a::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 3px;
            height: 2px;
            background: var(--neon);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease-out;
            border-radius: 4px;
        }

        .menu-list a:hover,
        .menu-list a:focus-visible {
            color: #ffffff;
        }

        .menu-list a:hover::after,
        .menu-list a:focus-visible::after {
            transform: scaleX(1);
        }

        .menu-list .active {
            color: var(--neon);
        }

        .menu-list .active::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 3px;
            height: 2px;
            background: var(--neon);
            transform: scaleX(1);
            box-shadow: 0 0 12px rgba(0, 223, 160, 0.85);
            border-radius: 4px;
        }

        .nav-btn {
            height: 42px;
            padding: 0 18px;
            margin-left: 8px;
            font-size: 14px;
            color: #0a1f1b;
        }

        .nav-toggle {
            display: none;
            width: 46px;
            height: 46px;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #eaf3ef;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 8px;
            cursor: pointer;
            transition: border-color 0.2s ease-out, background 0.2s ease-out;
        }

        .nav-toggle:hover,
        .nav-toggle:focus-visible {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .article-cover {
            position: relative;
            background:
                linear-gradient(100deg, rgba(7, 11, 16, 0.98) 0%, rgba(7, 11, 16, 0.86) 58%, rgba(7, 11, 16, 0.7) 100%),
                url('/assets/images/backpic/back-3.webp') center 20% / cover no-repeat;
            padding: 84px 0 126px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .article-cover::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon), transparent);
            opacity: 0.6;
        }

        .breadcrumb-nav {
            margin-bottom: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            color: #6d7874;
            font-size: 14px;
        }

        .breadcrumb-nav li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-nav li+li::before {
            content: "/";
            color: rgba(255, 255, 255, 0.28);
            font-weight: 300;
        }

        .breadcrumb-nav a {
            color: #97a8a1;
        }

        .breadcrumb-nav a:hover,
        .breadcrumb-nav a:focus-visible {
            color: var(--neon);
        }

        .breadcrumb-nav [aria-current="page"] {
            color: #dcf3eb;
            word-break: break-word;
        }

        .post-heading {
            max-width: 960px;
        }

        .post-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--neon);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.4px;
            background: rgba(0, 223, 160, 0.1);
            border: 1px solid rgba(0, 223, 160, 0.22);
            padding: 6px 14px;
            border-radius: 100px;
            margin-bottom: 22px;
        }

        .post-eyebrow i {
            font-size: 13px;
        }

        .post-title {
            color: #ffffff;
            font-weight: 800;
            font-size: clamp(30px, 4.8vw, 52px);
            line-height: 1.2;
            margin: 16px 0 24px;
            letter-spacing: -0.5px;
        }

        .post-title span {
            color: var(--neon);
        }

        .post-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            color: #a7b6af;
            font-size: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-bottom: 0;
        }

        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .post-meta i {
            color: var(--neon);
            opacity: 0.8;
            font-size: 14px;
        }

        .article-body-wrap {
            background: var(--paper);
            padding: 0 0 84px;
        }

        .article-paper {
            position: relative;
            z-index: 5;
            max-width: 900px;
            margin: -66px auto 0;
            background: var(--paper-panel);
            border: 1px solid var(--line-light);
            border-radius: 18px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .article-content {
            padding: 48px 62px 32px;
        }

        .article-content p {
            color: #2b3733;
            font-size: 17px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 26px;
            line-height: 1.4;
            font-weight: 800;
            color: #17211d;
            margin: 38px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--neon);
        }

        .article-content h3 {
            font-size: 21px;
            line-height: 1.45;
            font-weight: 800;
            color: #1d2b26;
            margin: 30px 0 14px;
        }

        .article-content a {
            color: #02866a;
            font-weight: 600;
            border-bottom: 1px solid rgba(0, 134, 106, 0.25);
        }

        .article-content a:hover,
        .article-content a:focus-visible {
            color: #005d4c;
            border-bottom-color: currentColor;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin: 0 0 26px;
        }

        .article-content ul li,
        .article-content ol li {
            color: #2b3733;
            line-height: 1.9;
            padding-left: 8px;
            margin-bottom: 8px;
        }

        .article-content ul li::marker {
            color: var(--neon-dark);
        }

        .article-content blockquote {
            border-left: 4px solid var(--yellow);
            background: #f7f4ea;
            padding: 18px 24px;
            margin: 32px 0;
            border-radius: 0 10px 10px 0;
            color: #4c5a55;
            font-size: 16px;
            line-height: 1.8;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid #e3e7e2;
            padding: 12px 14px;
            text-align: left;
        }

        .article-content table th {
            background: #f1f6f3;
            font-weight: 700;
            color: #1b332b;
        }

        .article-content img {
            border-radius: var(--radius-img);
            margin: 28px auto;
        }

        .article-content figcaption,
        .article-content .wp-caption-text {
            color: var(--muted);
            font-size: 14px;
            text-align: center;
            margin-top: -16px;
        }

        .post-tools {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 14px;
            margin: 18px 62px 36px;
            padding: 22px 24px;
            background: #f5f7f4;
            border: 1px solid #e5e8e2;
            border-radius: 10px;
        }

        .post-tools .tool-tag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #4b5e57;
            font-size: 14px;
        }

        .post-tools .tool-tag strong {
            color: #1b302a;
        }

        .post-tools .btn-sm {
            height: 38px;
            padding: 0 16px;
            font-size: 13px;
            background: transparent;
            border: 1px solid #d3d9d4;
            color: #2e4a40;
            border-radius: 5px;
        }

        .post-tools .btn-sm:hover,
        .post-tools .btn-sm:focus-visible {
            border-color: var(--neon-dark);
            color: var(--neon-dark);
            background: rgba(0, 223, 160, 0.06);
            transform: translateY(-1px);
        }

        .post-navigate {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin: 24px 62px 10px;
        }

        .pager-col {
            min-width: 0;
        }

        .pager-col:last-child {
            text-align: right;
        }

        .pager-box {
            display: block;
            padding: 18px 20px;
            background: #f7f8f5;
            border: 1px solid #e3e6e1;
            border-radius: 10px;
            transition: border-color 0.25s ease-out, box-shadow 0.25s ease-out, transform 0.25s ease-out;
            height: 100%;
        }

        .pager-box:hover,
        .pager-box:focus-visible {
            border-color: #86dbc1;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 120, 90, 0.08);
        }

        .pager-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #7d8c86;
            font-size: 13px;
            margin-bottom: 6px;
        }

        .pager-box strong {
            display: block;
            color: #18312a;
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 4px;
        }

        .pager-box small {
            color: var(--muted);
            display: block;
        }

        .not-found-state {
            padding: 72px 48px;
            text-align: center;
        }

        .not-found-icon {
            width: 68px;
            height: 68px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #f8f0e8;
            color: #b06c3a;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 24px;
            border: 1px solid #ece2d5;
        }

        .not-found-state h2 {
            color: #21322b;
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .not-found-state p {
            color: var(--muted);
            max-width: 420px;
            margin: 0 auto 24px;
        }

        .related-pane {
            background: #f2efe9;
            padding: 84px 0 96px;
            border-top: 1px solid #e2e1db;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 38px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--neon-dark);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: clamp(25px, 3.4vw, 36px);
            color: #1b2d27;
            font-weight: 800;
            margin: 0;
            line-height: 1.25;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .rel-card {
            position: relative;
            display: flex;
            flex-direction: column;
            background: #fffdfa;
            border: 1px solid #e3e5e0;
            border-radius: 14px;
            overflow: hidden;
            transition: transform 0.3s ease-out, box-shadow 0.3s ease-out, border-color 0.3s ease-out;
        }

        .rel-card:hover,
        .rel-card:focus-visible {
            transform: translateY(-4px);
            border-color: #b7dfd2;
            box-shadow: 0 16px 48px rgba(29, 61, 55, 0.12);
        }

        .rel-card .rel-thumb {
            aspect-ratio: 16 / 9;
            background: #e8ede8;
            overflow: hidden;
        }

        .rel-card .rel-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.7s ease-out;
        }

        .rel-card:hover img,
        .rel-card:focus-visible img {
            transform: scale(1.03);
        }

        .rel-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .rel-card-body .rel-type {
            align-self: flex-start;
            font-size: 13px;
            color: #078568;
            background: rgba(0, 223, 160, 0.1);
            border-radius: 4px;
            padding: 4px 10px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .rel-card-body h3 {
            font-size: 18px;
            font-weight: 800;
            color: #172a24;
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .rel-card-body p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .read-cta-band {
            background: #f4f1ec;
            border-top: 1px solid #e2e1dc;
        }

        .read-cta-band .container {
            max-width: 900px;
        }

        .cta-band-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            background: var(--panel-deep);
            border: 1px solid rgba(0, 223, 160, 0.2);
            border-radius: 16px;
            padding: 28px 36px;
            margin: -36px 0 84px;
            box-shadow: var(--shadow-xl);
        }

        .cta-band-inner h3 {
            color: #ffffff;
            font-weight: 800;
            font-size: 21px;
            margin: 0 0 6px;
        }

        .cta-band-inner p {
            color: #95a8a0;
            margin: 0;
            font-size: 15px;
        }

        .footer {
            background: #06090d;
            color: #89a09a;
            border-top: 1px solid var(--line-dark);
            padding: 74px 0 24px;
            position: relative;
        }

        .footer::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon), transparent);
            opacity: 0.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 0.8fr 0.9fr;
            gap: 60px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--line-dark);
        }

        .footer-brand .brand {
            margin-bottom: 16px;
            color: #eaf3ef;
        }

        .footer-brand p {
            max-width: 360px;
            color: #73867f;
            font-size: 15px;
            line-height: 1.8;
        }

        .footer h3 {
            color: #d7e2dd;
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }

        .footer h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 11px;
        }

        .footer-links a {
            color: #7d9189;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a::before {
            content: "";
            width: 0;
            height: 0;
            border-left: 4px solid transparent;
            border-right: 4px solid transparent;
            border-top: 5px solid var(--neon);
            border-radius: 2px;
        }

        .footer-links a:hover,
        .footer-links a:focus-visible {
            color: #ffffff;
            transform: translateX(2px);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
            padding-top: 25px;
            color: #54645e;
            font-size: 14px;
        }

        .footer-bottom a {
            color: #73867f;
        }

        .footer-bottom a:hover,
        .footer-bottom a:focus-visible {
            color: var(--neon);
        }

        .legal {
            display: flex;
            gap: 18px;
        }

        @media (max-width: 991.98px) {
            .primary-nav {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #0a0e13;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                visibility: hidden;
                opacity: 0;
                transform: translateY(-8px);
                padding: 20px 30px 26px;
                flex-direction: column;
                align-items: stretch;
                transition: opacity 0.25s ease-out, transform 0.25s ease-out, visibility 0.25s;
            }

            .primaryNav-open .primary-nav,
            .primary-nav.nav-open {
                visibility: visible;
                opacity: 1;
                transform: translateY(0);
            }

            .menu-list {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
                margin-bottom: 18px;
            }

            .menu-list a {
                display: flex;
                height: auto;
                padding: 10px 12px;
                border-radius: 6px;
                justify-content: flex-start;
            }

            .menu-list a::after {
                display: none;
            }

            .menu-list a:hover,
            .menu-list a:focus-visible {
                background: rgba(255, 255, 255, 0.06);
            }

            .menu-list .active {
                background: rgba(0, 223, 160, 0.1);
            }

            .nav-btn {
                margin-left: 0;
                justify-content: center;
            }

            .nav-toggle {
                display: inline-flex;
                margin-left: auto;
            }

            .nav-toggle.open .fa-bars {
                display: none;
            }

            .nav-toggle .fa-xmark {
                display: none;
            }

            .nav-toggle.open .fa-xmark {
                display: inline-block;
            }

            .article-content {
                padding: 36px 30px 30px;
            }

            .post-tools {
                margin: 14px 30px 24px;
            }

            .post-navigate {
                grid-template-columns: 1fr;
                margin: 20px 30px 8px;
            }

            .pager-col:last-child {
                text-align: left;
            }

            .related-pane {
                padding: 68px 0 78px;
            }

            .related-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cta-band-inner {
                margin: -30px 0 60px;
                padding: 26px 28px;
                flex-wrap: wrap;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-inner {
                min-height: 68px;
            }

            .brand {
                font-size: 19px;
            }

            .brand-tag {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .primary-nav {
                top: 68px;
            }

            .article-cover {
                padding: 50px 0 92px;
            }

            .breadcrumb-nav {
                margin-bottom: 20px;
            }

            .post-eyebrow {
                font-size: 13px;
            }

            .post-title {
                font-size: 28px;
                letter-spacing: 0;
            }

            .post-meta {
                gap: 10px;
                font-size: 14px;
            }

            .article-paper {
                margin: -44px auto 0;
                border-radius: 14px;
            }

            .article-content {
                padding: 28px 20px 24px;
            }

            .article-content p {
                font-size: 16px;
                line-height: 1.85;
            }

            .article-content h2 {
                font-size: 21px;
                padding-left: 12px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .post-tools {
                margin: 12px 20px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .post-navigate {
                margin: 14px 20px 6px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .related-pane {
                padding: 56px 0 68px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-band-inner {
                margin: -28px 0 48px;
                padding: 22px 20px;
                border-radius: 12px;
            }

            .footer {
                padding: 52px 0 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .footer-brand p {
                font-size: 14px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .legal {
                flex-wrap: wrap;
                gap: 12px;
            }

            .footer h3 {
                font-size: 15px;
            }

            .menu-list a {
                font-size: 15px;
            }

            .article-content p {
                font-size: 15.5px;
            }

            .post-title {
                font-size: 24px;
            }

            .cta-band-inner h3 {
                font-size: 18px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root{
  --bg:#0a0e13;
  --panel:#10161c;
  --panel-2:#171e26;
  --panel-3:#1c242e;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#edf2f0;
  --muted:#a2aeab;
  --dim:#6b7674;
  --accent:#00dfa0;
  --accent-soft:rgba(0,223,160,.12);
  --accent-glow:rgba(0,223,160,.32);
  --yellow:#ffd166;
  --radius-lg:16px;
  --radius-sm:6px;
  --shadow:0 14px 42px rgba(0,0,0,.35);
  --ease:.25s ease-out;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"JetBrains Mono","Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
ul,ol,dl{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;}
::selection{background:var(--accent);color:#06120f;}
:focus-visible{outline:2px dashed var(--yellow);outline-offset:4px;}
.container{max-width:1320px;margin-inline:auto;padding-inline:24px;width:100%;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:15px;
  line-height:1;
  border:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);color:#06120f;}
.btn:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:13px;}
.btn-lg{min-height:56px;padding:0 32px;font-size:16px;}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#06120f;
}
.btn-primary:hover{
  background:#22f8bc;
  border-color:#22f8bc;
  color:#06120f;
  box-shadow:0 0 0 4px var(--accent-soft),0 10px 28px rgba(0,223,160,.18);
}
.btn-light{
  background:var(--accent);
  border-color:var(--accent);
  color:#06120f;
}
.btn-light:hover{
  background:#22f8bc;
  border-color:#22f8bc;
  color:#06120f;
  box-shadow:0 0 0 4px var(--accent-soft),0 10px 28px rgba(0,223,160,.16);
}
.btn-outline-light{
  background:transparent;
  border:1px solid rgba(255,255,255,.3);
  color:var(--text);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.65);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.26);
  color:var(--text);
}
.btn-ghost:hover{
  background:var(--text);
  border-color:var(--text);
  color:#0a0e13;
}
.text-accent{color:var(--accent);}
.text-yellow{color:var(--yellow);}
.mono{font-family:var(--mono);letter-spacing:.02em;}

.site-header{
  position:sticky;
  top:0;
  z-index:1080;
  background:rgba(10,14,19,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,var(--accent),rgba(0,223,160,.2) 45%,transparent 90%);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  color:var(--text);
  font-weight:800;
  font-size:20px;
  letter-spacing:.01em;
  line-height:1;
}
.brand:hover{color:var(--text);}
.brand-tag{
  width:38px;
  height:38px;
  border-radius:10px;
  background:var(--accent);
  color:#06120f;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:19px;
  box-shadow:0 0 0 1px rgba(0,223,160,.45),0 0 26px rgba(0,223,160,.22);
}
.brand-text{font-weight:800;}
.primary-nav{
  display:flex;
  align-items:center;
  gap:24px;
}
.menu-list{
  display:flex;
  align-items:center;
  gap:26px;
}
.menu-list a{
  position:relative;
  display:inline-block;
  padding:9px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  transition:color var(--ease);
}
.menu-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:2px;
  height:1px;
  background:var(--accent);
  transition:right var(--ease);
}
.menu-list a:hover{color:var(--text);}
.menu-list a:hover::after{right:0;}
.menu-list a.active{
  color:var(--accent);
  text-shadow:0 0 14px rgba(0,223,160,.35);
}
.menu-list a.active::after{
  right:0;
  box-shadow:0 0 12px rgba(0,223,160,.7);
}
.nav-btn{margin-left:6px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:8px;
  background:transparent;
  color:var(--text);
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.nav-toggle:hover{
  color:var(--accent);
  border-color:rgba(0,223,160,.5);
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .primary-nav{
    position:absolute;
    top:73px;
    left:0;
    right:0;
    display:none;
    background:#10161c;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    box-shadow:0 26px 42px rgba(0,0,0,.38);
  }
  .primary-nav.open{display:flex;}
  .menu-list{
    flex-direction:column;
    gap:2px;
    align-items:stretch;
    width:100%;
  }
  .menu-list a{
    display:block;
    padding:14px 4px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .menu-list a::after{display:none;}
  .nav-btn{
    width:100%;
    margin:12px 0 0;
  }
}

.guide-hero{
  position:relative;
  overflow:hidden;
  padding:84px 0 78px;
  border-bottom:1px solid var(--line);
}
.guide-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(95deg,rgba(10,14,19,.92) 0%,rgba(10,14,19,.78) 58%,rgba(10,14,19,.45) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.5;
  pointer-events:none;
}
.guide-hero .container{position:relative;}
.guide-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(320px,440px);
  gap:56px;
  align-items:center;
}
.guide-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--dim);
  margin-bottom:24px;
  font-family:var(--mono);
}
.guide-crumb a{color:var(--dim);}
.guide-crumb a:hover{color:var(--accent);}
.guide-crumb span{color:var(--accent);}
.guide-hero h1{
  font-size:clamp(38px,5vw,66px);
  line-height:1.16;
  margin:0 0 24px;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:12em;
}
.guide-hero .lead{
  font-size:18px;
  line-height:1.95;
  color:var(--muted);
  max-width:42em;
  margin:0 0 30px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 13px;
  border:1px solid var(--line);
  border-radius:6px;
  font-size:13px;
  color:var(--muted);
}
.hero-tags i{color:var(--accent);font-size:11px;}
.hero-panel{
  position:relative;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(160deg,rgba(23,30,38,.94),rgba(16,22,28,.9));
  padding:30px 28px;
}
.hero-panel::before{
  content:"";
  display:block;
  width:46px;
  height:2px;
  background:var(--accent);
  box-shadow:0 0 14px var(--accent-glow);
  margin-bottom:24px;
}
.hero-panel .panel-label{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--dim);
  text-transform:uppercase;
  margin-bottom:18px;
}
.hero-panel-list{display:grid;gap:16px;}
.hero-panel-list li{display:grid;grid-template-columns:24px 1fr;gap:10px;color:var(--muted);font-size:14px;}
.hero-panel-list strong{display:block;color:var(--text);font-weight:700;margin-bottom:2px;}
.hero-panel-list i{color:var(--accent);margin-top:5px;font-size:13px;}
@media (max-width:991.98px){
  .guide-hero{padding:64px 0 56px;}
  .guide-hero-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:575.98px){
  .guide-hero h1{font-size:38px;}
  .hero-panel{padding:22px 18px;}
}

.section{
  padding:92px 0;
  position:relative;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:700;
  color:var(--accent);
  margin-bottom:14px;
}
.kicker i{font-size:11px;}
.section-title{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.28;
  margin:0;
  font-weight:800;
  letter-spacing:-.01em;
}
.section-desc{
  max-width:480px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  margin:0;
}
@media (max-width:767.98px){
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
}

.access-grid{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:48px;
  align-items:start;
}
.access-intro{
  position:sticky;
  top:120px;
}
.access-intro .intro-note{
  margin-top:18px;
  padding:20px 0 0;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:15px;
}
.check-list{display:grid;gap:0;}
.check-row{
  display:grid;
  grid-template-columns:66px 1fr;
  gap:24px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.check-row:first-child{border-top:1px solid var(--line);}
.check-num{
  font-family:var(--mono);
  color:var(--accent);
  font-size:22px;
  font-weight:600;
  opacity:.85;
}
.check-main h3{
  margin:0 0 6px;
  font-size:20px;
  font-weight:800;
}
.check-main p{
  margin:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  max-width:720px;
}
@media (max-width:991.98px){
  .access-grid{grid-template-columns:1fr;gap:10px;}
  .access-intro{position:static;}
}
@media (max-width:575.98px){
  .check-row{grid-template-columns:42px 1fr;gap:12px;padding:20px 0;}
  .check-num{font-size:18px;}
  .check-main h3{font-size:18px;}
}

.scenario-section{
  background:var(--panel);
  border-block:1px solid var(--line);
}
.scenario-cols{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.scenario-item{
  display:grid;
  grid-template-columns:58px 1fr;
  gap:18px;
  padding:28px 26px;
  background:#161d24;
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color var(--ease),background-color var(--ease),transform var(--ease);
}
.scenario-item:hover{
  border-color:rgba(0,223,160,.35);
  background:#1b242d;
  transform:translateY(-3px);
}
.scenario-num{
  width:44px;
  height:44px;
  border:1px solid rgba(0,223,160,.35);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-family:var(--mono);
  font-size:15px;
  background:var(--accent-soft);
}
.scenario-item h3{
  font-size:18px;
  margin:0 0 8px;
  font-weight:800;
}
.scenario-item p{
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  margin:0;
}
@media (max-width:991.98px){
  .scenario-cols{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .scenario-item{grid-template-columns:1fr;padding:22px 18px;}
}

.flow-panel{
  display:grid;
  grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);
  gap:56px;
  align-items:center;
}
.flow-steps{
  counter-reset:flow;
  display:grid;
  gap:14px;
}
.flow-step{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  align-items:start;
  padding:20px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  transition:background-color var(--ease),transform var(--ease),border-color var(--ease);
}
.flow-step:hover{
  background:var(--panel-2);
  transform:translateX(4px);
  border-color:rgba(0,223,160,.35);
}
.flow-index{
  font-family:var(--mono);
  font-weight:600;
  color:var(--yellow);
  font-size:14px;
  background:rgba(255,209,102,.08);
  border:1px solid rgba(255,209,102,.25);
  border-radius:50%;
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.flow-step h3{
  font-size:18px;
  margin:2px 0 6px;
  font-weight:800;
}
.flow-step p{
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.media-frame{
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:var(--panel-2);
  position:relative;
}
.media-frame img{
  width:100%;
  height:430px;
  object-fit:cover;
  transition:transform .55s ease-out;
}
.media-frame:hover img{transform:scale(1.02);}
.media-caption{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 18px;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line);
  background:var(--panel-2);
}
.media-caption .mono{color:var(--accent);}
@media (max-width:991.98px){
  .flow-panel{grid-template-columns:1fr;gap:28px;}
  .media-frame img{height:290px;}
}
@media (max-width:575.98px){
  .section{padding:58px 0;}
  .flow-step{grid-template-columns:44px 1fr;gap:10px;padding:18px 14px;}
  .flow-index{width:38px;height:38px;font-size:12px;}

}

.env-strip{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:16px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.env-item{
  position:relative;
  padding:28px 24px;
  min-height:150px;
  border-right:1px solid var(--line);
}
.env-item:last-child{border-right:0;}
.env-tag{
  font-family:var(--mono);
  font-size:14px;
  font-weight:600;
  color:var(--yellow);
  display:inline-block;
  margin-bottom:14px;
}
.env-item h3{
  font-size:17px;
  font-weight:800;
  margin:0 0 8px;
}
.env-item p{
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
  margin:0;
}
.env-item a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  color:var(--accent);
  font-size:14px;
  font-weight:600;
}
.env-item a i{
  transition:transform var(--ease);
}
.env-item a:hover i{transform:translateX(3px);}
@media (max-width:991.98px){
  .env-strip{grid-template-columns:1fr 1fr;}
  .env-item:nth-child(2){border-right:0;}
  .env-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
@media (max-width:575.98px){
  .env-strip{grid-template-columns:1fr;}
  .env-item{border-right:0;border-bottom:1px solid var(--line);}
  .env-item:last-child{border-bottom:0;}
}

.faq-section{
  background:var(--panel);
  border-block:1px solid var(--line);
}
.faq-wrap{
  display:grid;
  grid-template-columns:0.88fr 1.12fr;
  gap:56px;
}
.faq-side .lead-tip{
  color:var(--muted);
  font-size:15px;
  line-height:1.95;
  margin:18px 0 26px;
}
.rule-card{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:12px;
  padding:20px 22px;
  margin-bottom:14px;
}
.rule-card .mono {
  display:block;
  color:var(--accent);
  margin-bottom:6px;
  font-size:13px;
  letter-spacing:.06em;
}
.rule-card p{
  color:var(--muted);
  font-size:15px;
  margin:0;
}
.accordion{border:0;}
.accordion-item{
  background:var(--panel-2);
  border:1px solid var(--line) !important;
  border-radius:10px !important;
  margin-bottom:10px;
  overflow:hidden;
}
.accordion-button{
  background:var(--panel-2);
  color:var(--text);
  box-shadow:none;
  font-weight:700;
  font-size:16px;
  line-height:1.6;
  padding:20px 22px;
  border:0;
}
.accordion-button:not(.collapsed){
  background:var(--panel-2);
  color:var(--accent);
}
.accordion-button:focus{
  box-shadow:0 0 0 2px rgba(0,223,160,.28);
  outline:none;
}
.accordion-button::after{
  content:"+";
  background:none;
  width:24px;
  height:24px;
  font-size:26px;
  line-height:1;
  font-weight:300;
  font-family:var(--mono);
  color:var(--accent);
  opacity:.85;
  transform:rotate(0);
  transition:transform var(--ease);
  display:flex;
  align-items:center;
  justify-content:center;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  opacity:1;
}
.accordion-body{
  padding:0 22px 20px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.accordion-body p:last-child{margin-bottom:0;}
@media (max-width:991.98px){
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575.98px){
  .accordion-button{font-size:15px;padding:16px 16px;}
  .accordion-body{padding:0 16px 16px;}
}

.cta-section{padding:100px 0;}
.cta-panel{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(0,223,160,.28);
  border-radius:18px;
  background:
    linear-gradient(105deg,rgba(23,30,38,.96),rgba(16,22,28,.92)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:56px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:36px;
  align-items:center;
}
.cta-panel::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:300px;
  height:300px;
  background:radial-gradient(circle,rgba(0,223,160,.12),transparent 58%);
  pointer-events:none;
}
.cta-content{position:relative;}
.cta-content h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  font-weight:800;
  margin:0 0 14px;
}
.cta-content p{
  color:var(--muted);
  max-width:600px;
  margin:0;
  font-size:15px;
  line-height:1.9;
}
.cta-actions{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
@media (max-width:991.98px){
  .cta-panel{grid-template-columns:1fr;padding:38px 28px;}
}
@media (max-width:575.98px){
  .cta-section{padding:40px 0 60px;}
  .cta-panel{padding:28px 20px;}
  .cta-actions .btn{width:100%;}
}

.site-footer{
  background:#070a0e;
  border-top:1px solid rgba(0,223,160,.3);
  box-shadow:0 -1px 28px rgba(0,223,160,.08);
}
.footer-top{
  padding:56px 0 36px;
  border-bottom:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:52px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
  max-width:360px;
}
.footer-grid h3{
  color:#edf2f0;
  font-size:16px;
  font-weight:800;
  margin:6px 0 18px;
}
.footer-links{
  display:grid;
  gap:7px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-size:14px;
  transition:color var(--ease);
}
.footer-links a:hover{
  color:var(--accent);
  text-decoration:none;
}
.footer-links a i{
  font-size:10px;
  color:var(--dim);
  transition:transform var(--ease),color var(--ease);
}
.footer-links a:hover i{
  transform:translateX(3px);
  color:var(--accent);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 24px;
  font-size:13px;
  color:var(--dim);
}
.footer-bottom .legal{
  display:flex;
  gap:16px;
}
.footer-bottom a{color:var(--dim);transition:color var(--ease);}
.footer-bottom a:hover{color:var(--accent);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:575.98px){
  .footer-top{padding:42px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-brand p{max-width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg-deep:#0a0e13;
  --bg-body:#0a0e13;
  --bg-panel:#11181f;
  --bg-panel-2:#171e26;
  --line:rgba(255,255,255,.08);
  --line-green:rgba(0,223,160,.22);
  --text-main:#edf2f0;
  --text-secondary:#a2aeab;
  --text-muted:#6b7674;
  --primary:#00dfa0;
  --accent:#ffd166;
  --primary-rgb:0,223,160;
  --radius:12px;
  --radius-sm:6px;
  --shadow:0 10px 26px rgba(0,0,0,.28);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",SFMono-Regular,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-cn);
  background:var(--bg-body);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s ease-out,border-color .25s ease-out}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul{list-style:none;margin:0;padding:0}
.container{max-width:1320px;padding-left:24px;padding-right:24px}
@media(max-width:520px){.container{padding-left:16px;padding-right:16px}}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 16px}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}

/* 按钮 */
.btn{border:0;border-radius:var(--radius-sm);font-weight:700;letter-spacing:.02em;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;font-size:15px;transition:all .25s ease-out}
.btn-primary{background:var(--primary);color:#04130c}
.btn-primary:hover{background:#22f0b6;color:#04130c;transform:translateY(-2px);box-shadow:0 0 0 2px rgba(var(--primary-rgb),.38),0 6px 16px rgba(var(--primary-rgb),.18)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-outline:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* Header & Nav */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(9,12,17,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(0,223,160,.25),rgba(255,255,255,.02) 70%,transparent) 1;
  box-shadow:0 1px 0 rgba(255,255,255,.02);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;color:#fff;font-weight:800;font-size:20px}
.brand:hover{color:#fff}
.brand-tag{
  width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(0,223,160,.18),rgba(0,223,160,.04));
  color:var(--primary);font-size:19px;font-weight:800;border:1px solid rgba(0,223,160,.35);
  box-shadow:0 0 18px rgba(0,223,160,.1);
}
.brand-text{font-size:20px;letter-spacing:.01em}
.primary-nav{display:flex;align-items:center;gap:18px;flex:1;justify-content:flex-end}
.menu-list{display:flex;align-items:center;gap:2px}
.menu-list li{list-style:none}
.menu-list a{
  position:relative;display:block;padding:10px 15px;color:var(--text-secondary);font-size:15px;font-weight:500;white-space:nowrap;
}
.menu-list a:hover{color:#fff}
.menu-list a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:6px;height:1px;
  background:var(--primary);opacity:0;transform:scaleX(.4);transition:all .25s ease-out;
}
.menu-list a:hover::after{opacity:.6;transform:scaleX(1)}
.menu-list a.active{color:#fff;font-weight:700;text-shadow:0 0 14px rgba(0,223,160,.55)}
.menu-list a.active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 8px rgba(0,223,160,.8)}
.nav-btn{margin-left:8px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:8px;background:transparent;border:1px solid rgba(255,255,255,.12);
  color:#fff;font-size:18px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.06);color:var(--primary);border-color:rgba(0,223,160,.4)}
@media(max-width:1024px){
  .primary-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);
    background:#0d1318;border-left:1px solid rgba(255,255,255,.06);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:84px 24px 30px;transform:translateX(105%);transition:transform .32s ease-out;z-index:1040;
    box-shadow:-12px 0 30px rgba(0,0,0,.4);
  }
  .primary-nav.open{transform:translateX(0)}
  .menu-list{flex-direction:column;align-items:stretch}
  .menu-list a{padding:13px 8px;border-bottom:1px solid rgba(255,255,255,.05);font-size:16px}
  .menu-list a::after{display:none}
  .menu-list a.active{color:var(--primary);text-shadow:none}
  .nav-btn{margin:18px 0 0;height:48px}
  .nav-toggle{display:inline-flex}
}
@media(min-width:1025px){.nav-toggle{display:none}}
html.menu-lock,html.menu-lock body{overflow:hidden}

/* Footer */
.footer{
  background:#070b0f;
  border-top:1px solid rgba(0,223,160,.12);
  margin-top:0;
  padding-top:72px;
}
.footer .brand{margin-bottom:18px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:56px;padding-bottom:48px}
.footer p{color:var(--text-secondary);font-size:15px;max-width:420px;margin:0}
.footer h3{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-links li+li{margin-top:10px}
.footer-links a{color:var(--text-secondary);font-size:15px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;color:var(--text-muted);font-size:14px}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--primary)}
.legal a{color:var(--text-muted);font-size:14px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr;gap:36px}}
@media(max-width:560px){.footer{border-top-width:0}}

/* 小页头公共 */
.page-hero{padding:96px 0 74px;border-bottom:1px solid var(--line)}
.page-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);color:var(--primary);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.page-hero .eyebrow i{font-size:12px}
.page-hero h1{font-size:50px;line-height:1.2;margin:0 0 20px;color:#fff;font-weight:800}
.page-hero h1 .hl{color:var(--primary)}
.page-hero .lead{
  font-size:17px;color:var(--text-secondary);line-height:1.8;max-width:560px;margin:0;
}
.page-hero .hero-meta-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:var(--text-secondary);font-size:14px}
.page-hero .hero-meta-row span{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.12);padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.03)}
#hero{scroll-margin-top:80px}
@media (max-width:768px){
  .page-hero{padding-top:60px;padding-bottom:48px}
  .page-hero h1{font-size:34px}
  .page-hero .lead{font-size:16px}
}

/* 分类内容通用 section */
.content-section{padding:88px 0}
.section-title{font-size:34px;margin:0 0 12px;color:#fff;font-weight:800}
.section-sub{color:var(--text-secondary);font-size:16px;max-width:640px}
.eyebrow{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase}
@media(max-width:768px){.content-section{padding:56px 0}.section-title{font-size:28px}}

/* 核心安全列表 */
.security-section{background:var(--bg-deep)}
.security-grid{display:grid;grid-template-columns:1fr .82fr;gap:44px;align-items:start}
.security-items{border-top:1px solid var(--line)}
.security-item{
  display:grid;grid-template-columns:64px 1fr;column-gap:20px;padding:28px 0 20px;
  border-bottom:1px solid var(--line);position:relative;transition:background .25s ease-out;
}
.security-item .index{font-family:var(--font-mono);font-size:15px;color:var(--primary);letter-spacing:.04em;padding-top:5px}
.security-item h3{font-size:19px;color:#fff;margin:0 0 6px;font-weight:700}
.security-item p{color:var(--text-secondary);font-size:15px;line-height:1.75;margin:0}
.security-item::after{
  content:"";position:absolute;left:0;top:22px;width:2px;height:26px;background:transparent;transition:background .3s;
}
.security-item:hover::after{background:var(--primary)}
.aside-media{
  border:1px solid rgba(255,255,255,.09);border-radius:16px;overflow:hidden;background:var(--bg-panel);
}
.aside-media img{width:100%;height:auto;object-fit:cover}
.aside-caption{padding:18px 22px 20px}
.aside-caption strong{display:block;color:#fff;font-size:17px;margin-bottom:7px}
.aside-caption span{color:var(--text-secondary);font-size:14px;line-height:1.7;display:block}
@media(max-width:980px){.security-grid{grid-template-columns:1fr;gap:28px}}
@media(max-width:520px){
  .security-item{grid-template-columns:1fr}.security-item .index{display:block;margin-bottom:8px}
}

/* 横向强调条 quickbar */
.quickbar{padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#0e151b}
.quickbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.quickbar .quick-title{font-size:15px;color:#fff;font-weight:700;display:flex;gap:10px;align-items:center;white-space:nowrap}
.quickbar .quick-title i{color:var(--primary);font-size:17px}
.quick-links{display:flex;gap:10px;flex-wrap:wrap}
.quick-links a{
 font-size:13px;color:var(--text-secondary);padding:7px 14px;border-radius:999px;
 border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.025);transition:all .2s ease-out;white-space:nowrap;
}
.quick-links a:hover{color:var(--primary);border-color:rgba(0,223,160,.5);transform:translateY(-2px)}
@media(max-width:600px){.quickbar-inner{align-items:flex-start;flex-direction:column}}

/* 流程区 process */
.process-section{background:#0d1318}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative}
.process-steps li{position:relative;padding-top:34px}
.process-steps li::before{
  content:"";position:absolute;top:16px;right:74%;height:2px;left:0;background:repeating-linear-gradient(to right,rgba(255,255,255,.16) 0 3px,transparent 3px 7px)
}
.process-steps li:first-child::before, .process-steps li::before{right:74%}
.process-step-no{
  font-family:var(--font-mono);color:var(--primary);font-size:14px;display:block;margin-bottom:14px;
}
.process-steps h3{font-size:20px;color:#fff;margin:0 0 9px;font-weight:700}
.process-steps p{font-size:14px;color:var(--text-secondary);margin:0;line-height:1.7}
@media(max-width:960px){.process-steps{grid-template-columns:1fr 1fr;row-gap:36px;column-gap:28px}.process-steps li::before{display:none}}
@media(max-width:560px){.process-steps{grid-template-columns:1fr}}

/* 安全优势摘要 stat-like */
.stats-line{border-top:1px solid var(--line);margin-top:56px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.stat-cell{border:1px solid rgba(255,255,255,.08);background:#101820;border-radius:12px;padding:20px 24px;display:flex;align-items:flex-start;gap:14px}
.stat-cell i{color:var(--primary);font-size:20px;margin-top:2px}
.stat-cell strong{display:block;color:#fff;font-size:17px;margin-bottom:3px}
.stat-cell span{color:var(--text-secondary);font-size:14px}
@media(max-width:768px){.stats-line{grid-template-columns:1fr;gap:12px}}

/* FAQ */
.faq-section{padding:88px 0;background:var(--bg-deep)}
.faq-title{font-size:34px;color:#fff;font-weight:800;margin:0 0 12px}
.faq-grid-2{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.faq-guide .rule-box{border:1px solid rgba(0,223,160,.18);background:#0e151c;border-radius:14px;padding:26px}
.faq-guide .rule-box h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:14px}
.faq-guide .rule-list{color:var(--text-secondary);font-size:15px;margin-bottom:14px}
.faq-guide .rule-list li{padding-left:20px;position:relative;margin-bottom:8px}
.faq-guide .rule-list li::before{content:"—";position:absolute;left:0;color:var(--primary)}
.faq-panel{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#10181f;border:1px solid rgba(255,255,255,.08);border-radius:12px;overflow:hidden;transition:border-color .25s}
.faq-item:hover{border-color:rgba(0,223,160,.25)}
.faq-item.is-active{border-color:rgba(0,223,160,.35)}
.faq-trigger{
 display:flex;justify-content:space-between;align-items:center;gap:18px;width:100%;text-align:left;
 background:none;border:0;padding:22px 24px;font-size:16px;font-weight:600;color:#fff;cursor:pointer;
}
.faq-trigger:hover{color:var(--primary)}
.faq-icon{width:28px;height:28px;min-width:28px;border:1px solid rgba(255,255,255,.16);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;color:var(--primary);font-size:13px}
.faq-trigger.collapsed .faq-icon{transform:rotate(0)}
.faq-item .faq-icon{transform:rotate(45deg)}
.faq-item .faq-trigger.collapsed .faq-icon{transform:rotate(0)}
.faq-body{padding:0 24px 24px}
.faq-body p{color:var(--text-secondary);margin:0;font-size:15px;line-height:1.8}
@media(max-width:860px){.faq-grid-2{grid-template-columns:1fr;gap:30px}.faq-section{padding:56px 0}}

/* CTA */
.cta-block{padding:78px 0;position:relative;border-top:1px solid var(--line)}
.cta-panel{
  position:relative;overflow:hidden;border-radius:20px;background:
  linear-gradient(90deg,rgba(9,13,18,.97),rgba(13,22,26,.9)),url('/assets/images/backpic/back-2.webp') center/cover;
  border:1px solid rgba(0,223,160,.18);padding:56px 52px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-panel::after{content:"";position:absolute;left:0;top:0;width:2px;height:100%;background:linear-gradient(180deg,var(--primary),transparent)}
.cta-panel h2{font-size:32px;color:#fff;margin:0 0 10px;font-weight:800}
.cta-panel p{color:var(--text-secondary);font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:768px){
 .cta-block{padding:48px 0}
 .cta-panel{padding:38px 22px;grid-template-columns:1fr;border-radius:16px}
 .cta-panel h2{font-size:26px}
 .cta-actions{width:100%;flex-direction:column}
 .cta-actions .btn{width:100%}
}

/* Page Footer bottom margin reset */
.section-footer{padding-top:0}
@media(prefers-reduced-motion:reduce){
 *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root {
      --page-bg: #0a0e13;
      --page-bg2: #10161c;
      --panel-bg: #171e26;
      --panel-line: rgba(255, 255, 255, 0.08);
      --brand-primary: #00dfa0;
      --brand-primary-2: #5cf0c0;
      --brand-secondary: #ffd166;
      --text-primary: #edf2f0;
      --text-secondary: #a2aeab;
      --text-muted: #6b7674;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-medium: rgba(255, 255, 255, 0.14);
      --radius-card: 12px;
      --radius-img: 16px;
      --radius-btn: 6px;
      --radius-tag: 4px;
      --shadow-card: 0 18px 45px rgba(0, 0, 0, 0.25);
      --container-width: 1320px;
      --space-section-lg: 96px;
      --space-section-md: 80px;
      --space-section-sm: 56px;
      --font-en: "Roboto Mono", "JetBrains Mono", ui-monospace, monospace;
      --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      background: var(--page-bg);
      color: var(--text-primary);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    body.modal-open,
    body.nav-open {
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    a:hover {
      color: inherit;
    }

    button {
      border: 0;
      background: none;
      font-family: inherit;
    }

    .container {
      max-width: var(--container-width);
    }

    .section-spacer {
      padding: var(--space-section-lg) 0;
    }

    @media (max-width: 991.98px) {
      .section-spacer {
        padding: var(--space-section-md) 0;
      }
    }

    @media (max-width: 767.98px) {
      .section-spacer {
        padding: var(--space-section-sm) 0;
      }
    }

    /* ======= buttons ======= */
    .btn-main,
    .btn-ghost,
    .btn-sm,
    .btn {
      border-radius: var(--radius-btn);
      font-weight: 700;
      letter-spacing: .02em;
      transition: background .25s ease, transform .25s ease, box-shadow .25s ease, color .25s ease, border-color .25s ease;
    }

    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      padding: .8rem 1.9rem;
      background: var(--brand-primary);
      color: #0a0e13;
      border: 1px solid transparent;
    }

    .btn-main:hover {
      color: #0a0e13;
      transform: translateY(-2px);
      box-shadow: 0 0 0 2px rgba(0, 223, 160, .28), 0 12px 30px rgba(0, 223, 160, .18);
      background: var(--brand-primary-2);
    }

    .btn-main:active {
      transform: translateY(0);
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      padding: .8rem 1.8rem;
      background: rgba(255, 255, 255, .02);
      color: var(--text-primary);
      border: 1px solid rgba(255, 255, 255, .5);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, .07);
      color: #fff;
      border-color: rgba(255, 255, 255, .85);
    }

    .btn-sm {
      min-height: 44px;
      padding: .55rem 1.35rem;
      font-size: 14px;
    }

    .btn:focus-visible,
    .btn-ghost:focus-visible,
    .btn-main:focus-visible,
    .accordion-button:focus-visible {
      outline: 2px solid var(--brand-secondary);
      outline-offset: 3px;
      box-shadow: none;
    }

    /* ======= header ======= */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(10, 14, 19, .94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      background-image: linear-gradient(to right, var(--brand-primary), transparent 24%);
      background-repeat: no-repeat;
      background-size: 100% 1px;
      background-position: bottom;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.2rem;
      min-height: 72px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: .65rem;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .brand-tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary) 55%, var(--brand-secondary) 55%, var(--brand-secondary) 100%);
      color: #0a0e13;
      font-size: 1.28rem;
      font-weight: 900;
      border-radius: 5px;
      line-height: 1;
    }

    .brand-text {
      color: var(--text-primary);
      font-size: 1.14rem;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .primary-nav {
      display: flex;
      align-items: center;
      gap: 2rem;
    }

    .menu-list {
      display: flex;
      align-items: center;
      gap: 2rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .menu-list a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      font-size: 15px;
      color: var(--text-secondary);
      font-weight: 500;
      transition: color .25s ease;
    }

    .menu-list a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 0;
      height: 2px;
      background: var(--brand-primary);
      box-shadow: 0 0 10px var(--brand-primary);
      transition: width .25s ease;
    }

    .menu-list a:hover {
      color: #fff;
    }

    .menu-list a:hover::after {
      width: 100%;
    }

    .menu-list a.active {
      color: var(--brand-primary);
    }

    .menu-list a.active::after {
      width: 100%;
    }

    .nav-btn {
      flex-shrink: 0;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      color: var(--text-primary);
      font-size: 1.2rem;
      border: 1px solid var(--border-medium);
      border-radius: 6px;
      background: rgba(255, 255, 255, .03);
      transition: color .25s ease, border-color .25s ease;
    }

    .nav-toggle:hover {
      border-color: var(--brand-primary);
      color: var(--brand-primary);
    }

    .btn:focus,
    .nav-toggle:focus,
    a:focus-visible {
      outline: 2px solid var(--brand-secondary);
      outline-offset: 2px;
    }

    @media (max-width: 1250px) {
      .menu-list {
        gap: 1.4rem;
      }
      .primary-nav {
        gap: 1.1rem;
      }
    }

    @media (max-width: 1085px) {
      .menu-list {
        gap: 1rem;
      }
      .menu-list a {
        font-size: 14px;
      }
      .nav-btn {
        font-size: 14px;
        padding-left: 1rem;
        padding-right: 1rem;
      }
    }

    @media (max-width: 991.98px) {
      .nav-toggle {
        display: inline-flex;
      }
      .primary-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: #0c1116;
        border-top: 1px solid rgba(255, 255, 255, .04);
        border-bottom: 1px solid var(--border-light);
        padding: 1rem 1.2rem 1.4rem;
        display: none;
        box-shadow: 0 18px 45px rgba(0, 0, 0, .35);
      }
      .primary-nav.open {
        display: flex;
      }
      .menu-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin-bottom: 1rem;
      }
      .menu-list a {
        min-height: 46px;
        border-bottom: 1px solid rgba(255, 255, 255, .05);
      }
      .menu-list li:last-child a {
        border-bottom: 0;
      }
      .nav-btn {
        align-self: flex-start;
      }
    }

    /* ======= page-hero ======= */
    .page-hero {
      position: relative;
      padding: 82px 0 72px;
      overflow: hidden;
      background-image: url('/assets/images/backpic/back-3.webp');
      background-size: cover;
      background-position: center;
      background-color: var(--page-bg);
    }

    .page-hero:before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to right, rgba(10, 14, 19, .96) 0%, rgba(10, 14, 19, .8) 55%, rgba(10, 14, 19, .42) 100%);
      pointer-events: none;
    }

    .page-hero .container {
      position: relative;
      z-index: 2;
    }

    .hero-breadcrumb {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 1.2rem;
      letter-spacing: .02em;
    }

    .hero-breadcrumb a {
      color: var(--text-muted);
      transition: color .25s ease;
    }

    .hero-breadcrumb a:hover {
      color: var(--brand-primary);
    }

    .hero-breadcrumb .sep {
      padding: 0 .55rem;
    }

    .page-hero h1 {
      font-size: clamp(2.2rem, 4.6vw, 3.9rem);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -.02em;
      margin: 0 0 1.3rem;
      max-width: 860px;
    }

    .page-hero h1 .keyword {
      color: var(--brand-primary);
    }

    .page-hero .hero-lead {
      max-width: 680px;
      font-size: 1.16rem;
      color: var(--text-secondary);
      line-height: 1.9;
      margin-bottom: 1.6rem;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: .5rem 2rem;
      font-size: 14px;
      color: var(--text-secondary);
      padding-top: 1.2rem;
      border-top: 1px solid var(--border-light);
    }

    .hero-meta i {
      color: var(--brand-primary);
      margin-right: .45rem;
    }

    @media (max-width: 767.98px) {
      .page-hero {
        padding: 48px 0 46px;
      }
      .hero-meta {
        gap: .8rem 1.2rem;
      }
    }

    /* ======= section intro ======= */
    .section-block {
      padding: 88px 0;
    }

    .section-block.alt-bg {
      background: var(--page-bg2);
    }

    .section-title {
      font-size: clamp(1.6rem, 3vw, 2.3rem);
      font-weight: 800;
      line-height: 1.35;
      margin: .5rem 0;
    }

    .section-eyebrow {
      display: inline-block;
      font-family: var(--font-en);
      color: var(--brand-primary);
      letter-spacing: .18em;
      font-size: 13px;
      text-transform: uppercase;
      font-weight: 600;
    }

    .section-desc {
      color: var(--text-secondary);
      max-width: 640px;
      font-size: 1rem;
      line-height: 1.85;
      margin-top: .9rem;
    }

    @media (max-width: 767.98px) {
      .section-block {
        padding: 56px 0;
      }
    }

    .mod-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 2.4rem 4.5rem;
      margin-top: 2rem;
    }

    .mod-visual {
      position: relative;
      min-height: 300px;
    }

    .mod-visual img {
      width: 100%;
      height: 460px;
      object-fit: cover;
      border-radius: var(--radius-img);
      border: 1px solid var(--border-medium);
    }

    .mod-visual:after {
      content: "Enterprise Login";
      position: absolute;
      right: -1rem;
      bottom: 1rem;
      background: rgba(10, 14, 19, .92);
      border: 1px solid var(--border-medium);
      border-radius: 8px;
      padding: .55rem 1rem;
      font-family: var(--font-en);
      font-size: .75rem;
      letter-spacing: .08em;
      color: var(--text-secondary);
    }

    .mod-visual:before {
      content: "";
      position: absolute;
      left: -22px;
      top: 26px;
      width: 46px;
      height: 46px;
      border: 2px solid var(--brand-primary);
      border-radius: 50%;
      opacity: .2;
    }

    .mod-content .section-title {
      margin-bottom: .6rem;
    }

    .mod-content p {
      color: var(--text-secondary);
      font-size: .99rem;
      line-height: 1.85;
      margin-bottom: 1.2rem;
    }

    .mod-points {
      display: grid;
      gap: .4rem;
      margin: 1.4rem 0 0;
    }

    .mod-points li {
      position: relative;
      padding-left: 1.25rem;
      color: var(--text-primary);
      font-size: 15px;
    }

    .mod-points li:before {
      content: "";
      position: absolute;
      left: 0;
      top: .67em;
      width: 6px;
      height: 6px;
      background: var(--brand-primary);
      border-radius: 50%;
    }

    @media (max-width: 991.98px) {
      .mod-grid {
        grid-template-columns: 1fr;
      }
      .mod-visual {
        min-height: 220px;
      }
      .mod-visual img {
        height: 350px;
      }
      .mod-visual:after {
        right: 1rem;
      }
      .mod-visual:before {
        display: none;
      }
    }

    /* ======= process / numbered index ======= */
    .process-row {
      --bs-gutter-y: 1.3rem;
    }

    .process-card {
      position: relative;
      display: flex;
      gap: 1.3rem;
      align-items: flex-start;
      min-height: 132px;
      padding: 1.5rem 0;
      border-bottom: 1px solid var(--border-light);
    }

    .process-card:last-child {
      border-bottom: 0;
    }

    .process-count {
      flex: 0 0 auto;
      width: 76px;
      font-family: var(--font-en);
      font-size: 2rem;
      line-height: 1;
      font-weight: 700;
      color: transparent;
      -webkit-text-stroke: 1px var(--brand-primary);
    }

    .process-body {
      flex: 1;
    }

    .process-body h3 {
      font-size: 1.18rem;
      font-weight: 700;
      margin: 0 0 .25rem;
      color: #fff;
    }

    .process-body p {
      color: var(--text-secondary);
      line-height: 1.8;
      margin: 0;
      font-size: 15px;
      max-width: 890px;
    }

    @media (max-width: 575.98px) {
      .process-card {
        gap: .5rem;
        padding: 1rem 0;
      }
      .process-count {
        width: 48px;
        font-size: 1.6rem;
      }
      .process-body h3 {
        font-size: 1.06rem;
      }
    }

    /* ======= quick strip ======= */
    .strip-panel {
      background: #10161c;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

    .strip-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.6rem;
      padding: 2rem 0;
    }

    .strip-content {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      flex: 1;
    }

    .strip-content .big-icon {
      color: var(--brand-primary);
      font-size: 2.1rem;
      padding-top: .1rem;
    }

    .strip-content h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: #fff;
      margin: 0 0 .3rem;
    }

    .strip-content p {
      color: var(--text-secondary);
      margin: 0;
      max-width: 760px;
      font-size: 15px;
      line-height: 1.75;
    }

    .strip-actions {
      flex-shrink: 0;
      display: flex;
      gap: .6rem;
      flex-wrap: wrap;
    }

    @media (max-width: 991.98px) {
      .strip-inner {
        flex-direction: column;
        align-items: flex-start;
      }
      .strip-actions {
        width: 100%;
      }
    }

    @media (max-width: 575.98px) {
      .strip-actions .btn {
        flex: 1;
      }
    }

    /* ======= rights / boundaries ======= */
    .rights-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 2.6rem;
    }

    .rights-list {
      display: grid;
      gap: 1rem;
    }

    .rights-list h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin: 0 0 .12rem;
    }

    .rights-list p {
      color: var(--text-secondary);
      margin: 0;
      font-size: 15px;
      line-height: 1.75;
    }

    .right-block {
      padding-top: 1.1rem;
      border-top: 1px solid var(--border-light);
    }

    .right-flag {
      color: var(--brand-primary);
      font-family: var(--font-en);
      letter-spacing: .12em;
      font-size: .82rem;
      margin-bottom: .35rem;
    }

    .rights-figure img {
      width: 100%;
      height: 390px;
      object-fit: cover;
      border-radius: var(--radius-img);
    }

    .rights-figure {
      position: relative;
    }

    .rights-figure:after {
      content: "";
      position: absolute;
      inset: 1rem -1rem -1rem 1rem;
      border: 1px solid rgba(0, 223, 160, .18);
      border-radius: var(--radius-img);
      z-index: -1;
    }

    @media (max-width: 991.98px) {
      .rights-wrap {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }
      .rights-figure {
        order: -1;
      }
      .rights-figure img {
        height: 300px;
      }
      .rights-figure:after {
        display: none;
      }
    }

    /* ======= service scope ======= */
    .scope-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 1.4rem;
      margin-top: 2rem;
    }

    .scope-item-main {
      grid-column: span 6;
    }

    .scope-item-mini {
      grid-column: span 3;
    }

    .scope-item {
      background: var(--panel-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      padding: 1.7rem 1.6rem;
      min-height: 176px;
      transition: border-color .3s ease, transform .3s ease, background .3s ease;
    }

    .scope-item:hover {
      border-color: rgba(0, 223, 160, .5);
      transform: translateY(-3px);
      background: #1d2731;
    }

    .scope-item .icon {
      width: 48px;
      height: 48px;
      background: rgba(0, 223, 160, .12);
      color: var(--brand-primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      border-radius: 8px;
      margin-bottom: 1rem;
    }

    .scope-item h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin: 0 0 .5rem;
      color: #fff;
    }

    .scope-item p {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.75;
      margin: 0;
    }

    @media (max-width: 991.98px) {
      .scope-item-main {
        grid-column: span 12;
      }
      .scope-item-mini {
        grid-column: span 6;
      }
    }

    @media (max-width: 575.98px) {
      .scope-item-mini {
        grid-column: span 12;
      }
      .scope-item {
        min-height: auto;
      }
    }

    /* ======= faq ======= */
    .faq-panel {
      padding-top: 78px;
      padding-bottom: 78px;
      background: var(--page-bg2);
      border-top: 1px solid var(--border-light);
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 4fr 8fr;
      gap: 2.2rem;
    }

    .faq-guide {
      position: sticky;
      top: 110px;
      align-self: start;
    }

    .faq-guide .eyebrow-box {
      color: var(--brand-primary);
      font-family: var(--font-en);
      letter-spacing: .14em;
      font-size: 13px;
    }

    .faq-guide h2 {
      font-size: 2.05rem;
      margin: .5rem 0 .9rem;
      font-weight: 800;
    }

    .faq-guide p {
      color: var(--text-secondary);
      margin-bottom: 1.2rem;
      line-height: 1.85;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: transparent;
      --bs-accordion-border-width: 0;
      --bs-accordion-btn-bg: transparent;
      --bs-accordion-active-bg: transparent;
      --bs-accordion-active-color: var(--brand-primary);
    }

    .accordion-item {
      background: transparent;
      border: 0;
    }

    .accordion-item + .accordion-item {
      margin-top: .7rem;
    }

    .accordion-button {
      display: flex;
      align-items: center;
      background: var(--panel-bg);
      border: 1px solid var(--border-light);
      border-radius: 10px;
      padding: 1rem 1.2rem;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
      box-shadow: none;
      min-height: 58px;
    }

    .accordion-button::after {
      background: none;
      content: "\f068";
      width: auto;
      height: auto;
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--brand-primary);
      margin-left: auto;
      font-size: .9rem;
      transform: none;
    }

    .accordion-button.collapsed::after {
      content: "\2b";
      transform: none;
    }

    .accordion-button:hover {
      border-color: rgba(0, 223, 160, .45);
      color: var(--brand-primary);
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-primary);
      border-color: rgba(0, 223, 160, .4);
      box-shadow: none;
    }

    .accordion-body {
      background: #151e27;
      border: 1px solid var(--border-light);
      border-top: 0;
      border-radius: 0 0 10px 10px;
      padding: 1.2rem 1.3rem 1.4rem;
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.8;
      margin-top: -6px;
    }

    @media (max-width: 991.98px) {
      .faq-layout {
        grid-template-columns: 1fr;
        gap: 1.2rem;
      }
      .faq-guide {
        position: static;
      }
    }

    /* ======= cta ======= */
    .cta-panel {
      padding: 92px 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      position: relative;
    }

    .cta-panel:before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10, 14, 19, .96), rgba(10, 14, 19, .85) 70%, rgba(23, 30, 38, .74));
      pointer-events: none;
    }

    .cta-panel .container {
      position: relative;
      z-index: 1;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      flex-wrap: wrap;
      background: rgba(23, 30, 38, .55);
      border: 1px solid rgba(0, 223, 160, .18);
      border-radius: 18px;
      padding: 2.8rem 3rem;
    }

    .cta-inner h2 {
      font-size: clamp(1.45rem, 3vw, 2.2rem);
      font-weight: 800;
      margin-bottom: .4rem;
    }

    .cta-inner p {
      color: var(--text-secondary);
      max-width: 560px;
      margin-bottom: .2rem;
      line-height: 1.8;
    }

    .cta-btns {
      display: flex;
      flex-wrap: wrap;
      gap: .8rem;
    }

    @media (max-width: 767.98px) {
      .cta-panel {
        padding: 58px 0;
      }
      .cta-inner {
        padding: 1.7rem 1.2rem;
      }
      .cta-btns .btn {
        width: 100%;
      }
    }

    /* ======= footer ======= */
    .footer {
      background: #070a0d;
      border-top: 1px solid transparent;
      background-image: linear-gradient(to right, rgba(0,223,160,.5), rgba(255,209,102,.18), transparent 50%);
      background-repeat: no-repeat;
      background-size: 100% 1px;
      background-position: top;
      padding-top: 64px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap: 3rem;
      padding-bottom: 3rem;
      border-bottom: 1px solid rgba(255,255,255,.06);
    }

    .footer-brand .brand-text {
      color: var(--text-primary);
    }

    .footer-brand p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.9;
      margin: 1.4rem 0 0;
      max-width: 360px;
    }

    .footer h3 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin: .5rem 0 1.2rem;
      letter-spacing: .04em;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: .65rem;
    }

    .footer-links a {
      color: var(--text-muted);
      font-size: 14px;
      transition: color .25s ease, transform .25s ease;
      display: inline-flex;
      align-items: center;
      gap: .4rem;
    }

    .footer-links a:before {
      content: "›";
      color: var(--brand-primary);
      font-weight: 900;
      line-height: 1;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(4px);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.5rem 0;
      color: var(--text-muted);
      font-size: 13px;
      flex-wrap: wrap;
    }

    .legal a {
      color: var(--text-muted);
      margin-left: 1rem;
      transition: color .25s ease;
    }

    .legal a:hover {
      color: var(--brand-primary);
    }

    @media (max-width: 767.98px) {
      .footer {
        padding-top: 48px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-bottom: 2rem;
      }
      .footer-brand p {
        max-width: 100%;
      }
      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
      }
      .legal a {
        margin-left: 0;
        margin-right: 1rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        transition: none !important;
        animation: none !important;
      }
    }

/* roulang page: category4 */
:root {
  --bg: #080c11;
  --bg-2: #0c1218;
  --surface: #111a22;
  --surface-2: #16212d;
  --line: rgba(255, 255, 255, 0.09);
  --line-bright: rgba(0, 223, 160, 0.36);
  --brand: #00dfa0;
  --brand-soft: rgba(0, 223, 160, 0.14);
  --accent: #ffd166;
  --text: #e6f1ee;
  --text-2: #a8b8b4;
  --text-3: #728482;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
  --space: 84px;
}

html {
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  max-width: 1320px;
}

.text-brand {
  color: var(--brand);
}

.text-accent {
  color: var(--accent);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--brand);
}

.section {
  padding-top: var(--space);
  padding-bottom: var(--space);
}

.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, background 0.25s ease-out, color 0.25s ease-out, border-color 0.25s ease-out;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0.7rem 1.4rem;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-brand {
  background: var(--brand);
  color: #08100c;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn-brand:hover,
.btn-brand:focus {
  background: #22e6af;
  color: #08100c;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 223, 160, 0.18);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-white-solid {
  background: #ffffff;
  color: #0a1216;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn-white-solid:hover {
  background: #e7f5f1;
  color: #0a1216;
  transform: translateY(-2px);
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: rgba(7, 11, 15, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

header.site-header::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-tag {
  display: inline-flex;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #07100c;
  font-size: 21px;
  font-weight: 900;
  box-shadow: 0 0 18px rgba(0, 223, 160, 0.3);
}

.brand-text {
  font-size: 19px;
  color: var(--text);
  white-space: nowrap;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  margin-right: 10px;
}

.menu-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-list li a {
  position: relative;
  display: block;
  padding: 10px 13px;
  color: #a7bab5;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.25s ease-out;
}

.menu-list li a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 4px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease-out;
}

.menu-list li a:hover {
  color: #ffffff;
}

.menu-list li a:hover::after,
.menu-list li a.active::after {
  transform: scaleX(1);
}

.menu-list li a.active {
  color: var(--brand);
}

.menu-list li a.active::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--brand);
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--brand);
}

.btn-sm {
  min-height: 42px;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  border-radius: 6px;
  color: white;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}

.nav-toggle:hover {
  border-color: var(--brand);
}

.page-hero {
  padding: 84px 0 118px;
  background:
    linear-gradient(105deg, rgba(7, 11, 15, 0.95) 23%, rgba(8, 15, 20, 0.82) 58%, rgba(7, 11, 15, 0.85) 100%),
    url("/assets/images/backpic/back-3.webp") center right / cover no-repeat;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 84% 28%, rgba(0, 223, 160, 0.1), transparent 34%);
  pointer-events: none;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 223, 160, 0.1);
  border: 1px solid rgba(0, 223, 160, 0.25);
  color: var(--brand);
  padding: 6px 15px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 20px;
  max-width: 760px;
}

.hero-title .text-diff {
  color: var(--brand);
}

.hero-lead {
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-2);
  max-width: 620px;
  margin-bottom: 28px;
}

.hero-btn-line {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-note {
  color: var(--text-3);
  font-size: 13px;
  border-left: 2px solid rgba(0, 223, 160, 0.6);
  padding-left: 12px;
}

.hero-console {
  background: #0b1217;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  position: relative;
}

.hero-console::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 16px;
  border: 1px solid rgba(0, 223, 160, 0.12);
  pointer-events: none;
}

.console-head {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 8px 10px 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.console-head span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #343d46;
}

.console-head span:first-child {
  background: #ff6b6b;
}

.console-head span:nth-child(2) {
  background: #ffd166;
}

.console-head span:nth-child(3) {
  background: #00dfa0;
}

.console-head::after {
  content: "hth网页登录 操作状态检测";
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  font-family: "Roboto Mono", "JetBrains Mono", monospace;
}

.console-list {
  list-style: none;
  margin: 0;
  padding: 0 4px 8px;
}

.console-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 10px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 14px;
  color: #c3d2cd;
}

.console-list li:last-child {
  border-bottom: none;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #57665f;
  flex-shrink: 0;
}

.dot.ok {
  background: var(--brand);
  box-shadow: 0 0 8px rgba(0, 223, 160, 0.5);
}

.dot.warn {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255, 209, 102, 0.4);
}

.dot.idle {
  background: #4e6378;
}

.console-list span.mono {
  font-family: "Roboto Mono", "JetBrains Mono", monospace;
}

.console-state {
  background: rgba(0, 223, 160, 0.1);
  border: 1px solid rgba(0, 223, 160, 0.25);
  color: var(--brand);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title-row {
  margin-bottom: 36px;
}

.section-title-row h2,
.guide-head h2,
.cta-head h2 {
  font-size: 34px;
  font-weight: 800;
  margin: 12px 0 10px;
  color: #ffffff;
  line-height: 1.3;
}

.section-desc {
  color: var(--text-2);
  font-size: 16px;
  max-width: 600px;
}

.issue-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.issue-item {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px 30px;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s ease-out;
  position: relative;
}

.issue-item:last-child {
  border-bottom: 0;
}

.issue-item:hover {
  background: rgba(255, 255, 255, 0.025);
}

.issue-item:hover .issue-index {
  color: var(--brand);
  border-color: rgba(0, 223, 160, 0.4);
}

.issue-num {
  font-family: "Roboto Mono", "JetBrains Mono", monospace;
  color: #5f716e;
  font-size: 13px;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.issue-index {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Roboto Mono", "JetBrains Mono", monospace;
  font-size: 20px;
  color: #819895;
  transition: color 0.25s, border-color 0.25s;
  flex-shrink: 0;
}

.item-body {
  flex: 1;
  min-width: 0;
}

.item-body h3 {
  font-size: 19px;
  color: #ffffff;
  margin: 0 0 5px;
  font-weight: 700;
  line-height: 1.45;
}

.item-body p {
  color: var(--text-3);
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.item-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-3);
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.25s ease-out, transform 0.25s ease-out;
}

.item-link:hover {
  color: var(--brand);
  transform: translateX(3px);
}

@media (max-width: 767px) {
  .issue-item {
    flex-wrap: wrap;
    padding: 22px;
    gap: 14px;
  }

  .item-body {
    flex: 0 0 100%;
  }

  .item-link {
    margin-left: 0;
  }

  .issue-index {
    width: 44px;
    height: 44px;
    font-size: 16px;
    border-radius: 10px;
  }
}

.issue-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 7px 14px;
  border-radius: 40px;
  font-size: 13px;
  color: #a9bbb7;
  transition: all 0.25s ease-out;
}

.chip:hover {
  color: var(--brand);
  border-color: rgba(0, 223, 160, 0.4);
  background: rgba(0, 223, 160, 0.08);
}

.chip i {
  font-size: 11px;
}

.step-section {
  background: #0b1117;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.step-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.step-box {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px 28px;
  height: 100%;
  transition: border-color 0.25s, transform 0.25s;
}

.step-box:hover {
  border-color: rgba(0, 223, 160, 0.35);
  transform: translateY(-3px);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 223, 160, 0.12);
  color: var(--brand);
  font-family: "Roboto Mono", "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
}

.step-box h3 {
  font-size: 18px;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.step-box p {
  color: var(--text-3);
  font-size: 15px;
  margin-bottom: 0;
  line-height: 1.75;
}

@media (max-width: 991px) {
  .step-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .step-row {
    grid-template-columns: 1fr;
  }
}

.info-split {
  padding-top: var(--space);
  padding-bottom: var(--space);
}

.info-wrap {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}

.info-img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.info-content {
  padding: 42px 48px 48px;
}

.info-content h2 {
  font-size: 30px;
  color: #fff;
  line-height: 1.35;
  font-weight: 800;
  margin: 10px 0 16px;
}

.info-content .info-desc {
  color: var(--text-2);
  margin-bottom: 22px;
  font-size: 16px;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 15px;
  color: #bfd1cc;
}

.check-list li:last-child {
  border-bottom: 0;
}

.check-list i {
  color: var(--brand);
  margin-top: 5px;
  font-size: 14px;
}

.login-cta {
  background:
    linear-gradient(120deg, rgba(0, 223, 160, 0.05), transparent 36%),
    #0d141a;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.login-cta::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 223, 160, 0.45), transparent);
}

.cta-panel {
  background: #0f1820;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(0, 223, 160, 0.12), transparent 68%);
  pointer-events: none;
}

.cta-head h2 {
  color: #fff;
  margin-top: 14px;
}

.cta-head p {
  color: var(--text-2);
  margin-bottom: 20px;
}

.faq-section {
  padding-top: var(--space);
  padding-bottom: var(--space);
  background: #0b1117;
}

.faq-head {
  margin-bottom: 40px;
}

.faq-head h2 {
  font-size: 35px;
  color: #fff;
  font-weight: 800;
  margin: 12px 0 10px;
}

.faq-head p {
  color: var(--text-3);
  max-width: 620px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.25s ease-out, background 0.25s ease-out;
}

.faq-item.open {
  border-color: rgba(0, 223, 160, 0.32);
}

.faq-q {
  background: none;
  border: 0;
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  color: #e9f4f0;
  font-size: 16px;
  font-weight: 600;
  padding: 22px 24px;
  margin: 0;
  min-height: 68px;
  transition: color 0.2s;
}

.faq-q:hover {
  color: var(--brand);
}

.faq-icon {
  position: relative;
  display: inline-flex;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  transition: transform 0.25s ease-out, border-color 0.25s ease-out;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1px;
  background: var(--text-2);
  transform: translate(-50%, -50%);
  transition: background 0.25s ease-out;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.25s ease-out;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--brand);
}

.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: var(--brand);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-a-inner {
  padding: 0 24px 24px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px solid transparent;
}

.faq-item.open .faq-a-inner {
  border-top-color: rgba(255, 255, 255, 0.06);
}

.p-footer-cta {
  padding: 64px 0 82px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.footer {
  background: #06090d;
  padding-top: 64px;
  border-top: 1px solid rgba(0, 223, 160, 0.25);
}

.footer-top {
  padding-bottom: 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 44px;
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-brand p {
  color: #8a9b98;
  font-size: 15px;
  line-height: 1.9;
  max-width: 340px;
}

.footer h3 {
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 15px;
  letter-spacing: 0.04em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a {
  color: #7e908c;
  font-size: 14px;
  line-height: 1.7;
  position: relative;
  transition: color 0.25s;
}

.footer-links a:hover {
  color: var(--brand);
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 1px;
  background: var(--brand);
  transition: right 0.25s ease-out;
}

.footer-links a:hover::after {
  right: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: #5b6a66;
  font-size: 13px;
  flex-wrap: wrap;
}

.legal a {
  color: #748681;
  margin-left: 18px;
  transition: color 0.25s;
}

.legal a:hover {
  color: var(--brand);
}

@media (max-width: 991px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    z-index: 1050;
    flex-direction: column;
    align-items: stretch;
    background: rgba(7, 11, 15, 0.98);
    backdrop-filter: blur(12px);
    padding: 18px 24px 24px;
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s ease-out;
    border-bottom: 1px solid rgba(0, 223, 160, 0.3);
    box-shadow: 0 20px 34px rgba(0, 0, 0, 0.28);
  }

  .primary-nav.open {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .menu-list {
    flex-direction: column;
    width: 100%;
    gap: 2px;
  }

  .menu-list li {
    width: 100%;
  }

  .menu-list li a {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 16px;
  }

  .menu-list li a::after,
  .menu-list li a.active::before {
    display: none;
  }

  .menu-list li a.active {
    background: rgba(0, 223, 160, 0.08);
    border-radius: 8px;
    border-bottom-color: transparent;
  }

  .nav-btn {
    margin-top: 18px;
    width: 100%;
    min-height: 48px;
  }

  .header-inner {
    height: 68px;
  }

  body.header-space {
    padding-top: 0;
  }
}

@media (max-width: 575px) {
  .brand-text {
    font-size: 17px;
  }
}

@media (max-width: 991px) {
  .info-wrap .col-lg-6 {
    max-height: 100%;
  }

  .cta-panel {
    padding: 36px 26px;
  }
}

@media (max-width: 521px) {
  .brand-text {
    font-size: 15px;
  }

  .brand-tag {
    width: 34px;
    height: 34px;
    font-size: 18px;
    border-radius: 8px;
  }

  .page-hero {
    padding: 56px 0 72px;
  }

  .hero-title {
    font-size: 33px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .btn-hero-mobile {
    flex-wrap: wrap;
  }
}