/* roulang page: index */
:root{
  --bg:#0A0D0B;
  --panel:#121713;
  --panel-up:#171E19;
  --line:rgba(184,255,46,.14);
  --line-soft:rgba(234,241,233,.08);
  --brand:#B8FF2E;
  --brand-lt:#D2FF6B;
  --brand-dk:#8FCC16;
  --flame:#FF6A2B;
  --cyan:#35E0D2;
  --text:#EAF1E9;
  --sub:#A7B4A9;
  --muted:#6E7B71;
  --r-lg:18px;
  --r-md:14px;
  --r-btn:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 28px rgba(184,255,46,.18);
  --num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0D0B}
::-webkit-scrollbar-thumb{background:rgba(184,255,46,.22);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:rgba(184,255,46,.4)}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:60px 0}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec-line{border-top:1px solid var(--line-soft)}
.sec-alt{background:var(--panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

.sec-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:36px}
.sec-head h2{font-size:24px}
@media (min-width:1024px){.sec-head h2{font-size:32px}}
.sec-kicker{display:block;font-size:13px;letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:10px;font-weight:600}
.sec-lead{color:var(--sub);font-size:15px;max-width:640px;margin-top:12px;line-height:1.85}
.h3{font-size:20px;font-weight:600}

/* ============ 顶部信息条 ============ */
.topbar{background:#080A08;border-bottom:1px solid var(--line-soft);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar-text{color:var(--muted);letter-spacing:.4px}
.topbar-links{display:flex;align-items:center;gap:18px;color:var(--sub)}
.topbar-links a:hover{color:var(--brand)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,13,11,.88);backdrop-filter:blur(12px);transition:background .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{background:rgba(8,10,8,.97);box-shadow:0 10px 30px rgba(0,0,0,.55)}
.navbar{position:relative}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(184,255,46,.55),rgba(53,224,210,.35),transparent)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(184,255,46,.18),rgba(53,224,210,.12));border:1px solid rgba(184,255,46,.45);color:var(--brand);font-family:var(--num);font-weight:800;font-size:18px;letter-spacing:1px;box-shadow:0 0 18px rgba(184,255,46,.16)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:800;letter-spacing:.5px}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:2px}
.nav-links{display:none;align-items:center;gap:26px;font-size:15px;font-weight:500}
.nav-links a{color:var(--sub);position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;background:var(--brand);transition:right .25s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{right:0}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{right:0;box-shadow:0 0 12px rgba(184,255,46,.7)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:var(--r-btn);background:rgba(23,30,25,.9);border:1px solid var(--line);color:var(--text)}
.nav-toggle:hover{border-color:rgba(184,255,46,.45);color:var(--brand)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{display:none;border-top:1px solid var(--line-soft);background:rgba(10,13,11,.99);padding:14px 0 22px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 0;font-size:16px;color:var(--sub);border-bottom:1px solid var(--line-soft)}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--brand)}
.mobile-menu .btn{margin-top:16px}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .mobile-menu{display:none !important}
}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.3px;transition:all .22s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#08110A;box-shadow:0 10px 24px rgba(184,255,46,.18)}
.btn-primary:hover{background:var(--brand-lt);transform:translateY(-2px);box-shadow:0 0 24px rgba(184,255,46,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.28)}
.btn-ghost{background:transparent;border-color:rgba(234,241,233,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(184,255,46,.10);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{height:auto;padding:0;border:0;background:none;color:var(--cyan);font-weight:600}
.btn-text span{border-bottom:1px solid rgba(53,224,210,.5);padding-bottom:2px}
.btn-text:hover span{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ============ 标签 / 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.6;letter-spacing:.3px}
.badge-brand{border:1px solid rgba(184,255,46,.5);background:rgba(184,255,46,.12);color:var(--brand)}
.badge-flame{border:1px solid rgba(255,106,43,.5);background:rgba(255,106,43,.12);color:var(--flame)}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;line-height:1.7}
.tag-cyan{border:1px solid rgba(53,224,210,.42);background:rgba(53,224,210,.10);color:var(--cyan)}
.tag-brand{border:1px solid rgba(184,255,46,.4);background:rgba(184,255,46,.10);color:var(--brand)}
.tag-time{color:var(--flame);font-family:var(--num);font-size:13px;letter-spacing:.6px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,11,.7) 0%,rgba(10,13,11,.86) 58%,rgba(10,13,11,.99) 100%)}
.hero-glow{position:absolute;width:520px;height:520px;right:-140px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(184,255,46,.16),transparent 62%);pointer-events:none}
.hero-inner{position:relative;display:grid;gap:44px;padding:64px 24px 72px;align-items:center}
@media (min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;padding:104px 24px 112px;gap:56px}}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:2px;color:var(--cyan);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);box-shadow:0 0 10px rgba(53,224,210,.8)}
.hero h1{font-size:30px;font-weight:800;line-height:1.18}
@media (min-width:1024px){.hero h1{font-size:46px;line-height:1.15}}
.hero h1 em{font-style:normal;color:var(--brand);text-shadow:0 0 28px rgba(184,255,46,.3)}
.hero-sub{margin-top:20px;color:var(--sub);font-size:16px;max-width:520px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line-soft)}
.hero-stats .num{display:block;font-family:var(--num);font-size:26px;font-weight:700;color:var(--flame);letter-spacing:1px;line-height:1.2}
.hero-stats .lbl{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--panel-up);box-shadow:var(--shadow)}
.hero-float{position:absolute;left:18px;bottom:-18px;background:rgba(18,23,19,.96);border:1px solid rgba(184,255,46,.35);border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--glow);max-width:250px}
.hero-float b{display:block;color:var(--brand);font-size:14px}
.hero-float span{display:block;color:var(--muted);font-size:12px;margin-top:2px}

/* ============ 主张条 ============ */
.claim{background:var(--panel);border-bottom:1px solid var(--line-soft)}
.claim-inner{display:grid;gap:22px;padding:30px 24px;align-items:center}
@media (min-width:1024px){.claim-inner{grid-template-columns:1fr auto;padding:34px 24px}}
.claim h2{font-size:19px;font-weight:600;color:var(--text)}
.claim h2 span{color:var(--brand)}
.claim-list{display:flex;flex-wrap:wrap;gap:12px}
.claim-list li{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(23,30,25,.72);font-size:14px;color:var(--sub)}
.claim-list li b{font-family:var(--num);color:var(--flame);font-size:15px;letter-spacing:.5px}

/* ============ 故事区 ============ */
.story{display:grid;gap:38px;align-items:center}
@media (min-width:1024px){.story{grid-template-columns:.92fr 1.08fr;gap:60px}}
.story-visual{position:relative}
.story-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--panel-up);box-shadow:var(--shadow)}
.story-visual::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);background:linear-gradient(180deg,transparent 55%,rgba(10,13,11,.65));pointer-events:none}
.story-body p{color:var(--sub);font-size:16px;line-height:1.9;margin-top:18px}
.story-points{margin-top:26px;display:grid;gap:12px}
.story-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--sub)}
.story-points li i{flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(184,255,46,.6)}
.story-link{margin-top:28px}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(184,255,46,.35);box-shadow:0 0 0 1px rgba(184,255,46,.35),var(--glow)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--panel-up)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-cover img{transform:scale(1.05)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--sub);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--muted)}
.card-foot .arrow{color:var(--muted);transition:transform .24s ease,color .24s ease}
.card:hover .card-foot .arrow{color:var(--brand);transform:translateX(4px)}

/* ============ 资讯列表 ============ */
.list-head{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:28px}
.post-list{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:1024px){.post-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
.post-row{display:flex;gap:18px;align-items:flex-start;padding:22px;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.post-row:hover{transform:translateY(-3px);border-color:rgba(184,255,46,.32);box-shadow:var(--glow)}
.post-index{flex:0 0 auto;font-family:var(--num);font-size:22px;font-weight:700;color:rgba(184,255,46,.55);letter-spacing:1px;line-height:1.3;min-width:34px}
.post-body{flex:1;min-width:0}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.post-title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-desc{margin-top:8px;font-size:14px;color:var(--sub);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-arrow{flex:0 0 auto;align-self:center;color:var(--muted);transition:transform .22s ease,color .22s ease}
.post-row:hover .post-arrow{color:var(--brand);transform:translateX(4px)}
.empty-state{text-align:center;padding:52px 24px;border:1px dashed rgba(184,255,46,.4);border-radius:var(--r-lg);background:rgba(23,30,25,.5)}
.empty-state .empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;border:1px solid rgba(184,255,46,.4);color:var(--brand);font-family:var(--num);font-size:22px}
.empty-state p{color:var(--sub);font-size:15px}
.empty-state .btn{margin-top:20px}

/* ============ 信任背书 ============ */
.trust-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.trust-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.trust-card{position:relative;padding:26px 22px;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);transition:border-color .24s ease,box-shadow .24s ease}
.trust-card::before{content:"";position:absolute;left:22px;top:0;width:44px;height:2px;background:var(--brand);box-shadow:0 0 12px rgba(184,255,46,.8)}
.trust-card:hover{border-color:rgba(184,255,46,.3);box-shadow:var(--glow)}
.trust-card strong{display:block;font-size:17px;font-weight:700;margin-bottom:10px}
.trust-card p{font-size:14px;color:var(--sub);line-height:1.8}
.trust-card .trust-num{font-family:var(--num);font-size:28px;color:var(--flame);font-weight:700;letter-spacing:1px;display:block;margin-bottom:6px}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px}
.faq-item{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-md);overflow:hidden;transition:border-color .24s ease}
.faq-item.open{border-color:rgba(184,255,46,.35)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 22px;background:none;border:0;color:var(--text);font-size:16px;font-weight:600;line-height:1.6}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-size:16px;transition:transform .25s ease}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:rgba(184,255,46,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;border-left:3px solid transparent}
.faq-item.open .faq-a{max-height:340px;border-left-color:var(--brand)}
.faq-a p{padding:0 22px 22px 23px;font-size:15px;color:var(--sub);line-height:1.85}

/* ============ CTA 表单 ============ */
.cta{position:relative;background:var(--panel);border:1px solid rgba(184,255,46,.22);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.cta-grid{display:grid;gap:34px;padding:36px 26px;align-items:center}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.1fr .9fr;padding:52px 48px;gap:52px}}
.cta h2{font-size:24px}
@media (min-width:1024px){.cta h2{font-size:30px}}
.cta-list{margin-top:22px;display:grid;gap:10px}
.cta-list li{display:flex;gap:10px;font-size:14px;color:var(--sub)}
.cta-list li i{flex:0 0 auto;width:6px;height:6px;margin-top:10px;border-radius:50%;background:var(--cyan)}
.cta-form{background:rgba(23,30,25,.8);border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.field{display:block}
.field span{display:block;font-size:13px;color:var(--sub);margin-bottom:8px}
.field input{width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);background:#0D120E;border:1px solid var(--line);color:var(--text);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.field input::placeholder{color:var(--muted)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(184,255,46,.14)}
.field.error input{border-color:var(--flame);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.field-error{margin-top:8px;font-size:13px;color:var(--flame)}
.field-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7}
.form-success{margin-top:14px;font-size:13px;color:var(--cyan)}
.cta-form .btn{margin-top:18px}

/* ============ 页脚 ============ */
.site-footer{background:#080A08;border-top:1px solid var(--line-soft);padding:56px 0 0}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.5fr}}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.85;max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--sub)}
.footer-col a:hover{color:var(--brand)}
.footer-contact{font-size:14px;color:var(--sub);line-height:2}
.footer-contact b{color:var(--brand);font-weight:600}
.footer-bottom{margin-top:44px;padding:20px 0;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--brand)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);color:var(--sub);font-size:13px}
.social a:hover{border-color:rgba(184,255,46,.5);color:var(--brand);box-shadow:var(--glow)}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#0A0D0B;
  --panel:#121713;
  --panel-2:#171E19;
  --line:rgba(184,255,46,.14);
  --line-strong:rgba(184,255,46,.35);
  --brand:#B8FF2E;
  --brand-light:#D2FF6B;
  --brand-dark:#8FCC16;
  --accent:#FF6A2B;
  --cyan:#35E0D2;
  --text:#EAF1E9;
  --muted:#A7B4A9;
  --dim:#6E7B71;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 28px rgba(184,255,46,.18);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;}
::selection{background:rgba(184,255,46,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0A0D0B;}
::-webkit-scrollbar-thumb{background:#242E25;border-radius:99px;}
::-webkit-scrollbar-thumb:hover{background:#33402F;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

.shell{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ============ 顶部信息条 ============ */
.topbar{background:#070A08;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-text{letter-spacing:.4px;}
.topbar-links{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.topbar-links a{color:var(--muted);}
.topbar-links a:hover{color:var(--brand);}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.6;padding:4px 12px;border-radius:999px;border:1px solid var(--line-strong);color:var(--brand);background:rgba(184,255,46,.12);}
.badge-cyan{border-color:rgba(53,224,210,.4);color:var(--cyan);background:rgba(53,224,210,.12);}
.badge-time{border-color:rgba(255,106,43,.42);color:var(--accent);background:rgba(255,106,43,.12);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,13,11,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(184,255,46,0),rgba(184,255,46,.75),rgba(53,224,210,.5),rgba(184,255,46,0));
  pointer-events:none;
}
.navbar{position:relative;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  border:1px solid rgba(184,255,46,.5);
  background:rgba(184,255,46,.08);
  color:var(--brand);font-weight:800;font-size:15px;letter-spacing:.5px;
  box-shadow:inset 0 0 18px rgba(184,255,46,.18);
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:.5px;color:var(--text);}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:1.5px;}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;}
.nav-links a:hover{color:var(--brand);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(184,255,46,.75);
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:rgba(184,255,46,.06);cursor:pointer;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--brand);
  border-radius:2px;transform:translateX(-50%);transition:.24s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg);}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#0C100D;padding:14px 0 20px;}
.mobile-menu.open{display:block;}
.mobile-menu .shell{display:grid;gap:6px;}
.mobile-menu a{
  display:block;padding:12px 14px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--muted);border:1px solid transparent;
}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--brand);background:rgba(184,255,46,.07);border-color:var(--line);}
.mobile-menu .btn{margin-top:8px;text-align:center;color:#0A0D0B;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#0A0D0B;}
.btn-primary:hover{background:var(--brand-light);transform:translateY(-2px);box-shadow:0 0 24px rgba(184,255,46,.38);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{background:transparent;border-color:rgba(184,255,46,.35);color:var(--brand);}
.btn-ghost:hover{background:rgba(184,255,46,.10);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;height:46px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;}

.link-more{font-size:14px;color:var(--cyan);}
.link-more:hover{color:var(--brand-light);}

/* ============ 阅读进度条 ============ */
#progressBar{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:999;
  background:linear-gradient(90deg,var(--brand-dark),var(--brand),var(--cyan));
  box-shadow:0 0 12px rgba(184,255,46,.6);
  transition:width .1s linear;
}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:52px 0 44px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(10,13,11,.90) 0%,rgba(10,13,11,.94) 55%,rgba(10,13,11,1) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(10,13,11,0),var(--bg));
  pointer-events:none;
}
.article-hero .shell{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumb-sep{color:var(--cyan);opacity:.7;}
.crumb-cur{color:var(--dim);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:46px;line-height:1.18;font-weight:800;letter-spacing:-.5px;
  margin:18px 0 20px;max-width:900px;color:#F4FAF2;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.meta-row .meta-time{color:var(--accent);font-weight:600;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--dim);display:inline-block;}

/* ============ 主体布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
  padding:56px 0 96px;
}
.article-main{min-width:0;}
.article-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  box-shadow:var(--shadow-card);
}

/* ============ 长文排版 ============ */
.article-body{font-size:17px;line-height:1.9;color:#DCE5DB;word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;color:var(--text);
  margin:44px 0 18px;padding-left:14px;border-left:3px solid var(--brand);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--text);margin:32px 0 14px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--brand-light);margin:26px 0 12px;}
.article-body ul,.article-body ol{list-style:none;margin:0 0 22px;padding:0;}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(184,255,46,.5);
}
.article-body ol{counter-reset:olCount;}
.article-body ol li{counter-increment:olCount;padding-left:32px;}
.article-body ol li::before{
  content:counter(olCount);background:var(--accent);color:#111;width:20px;height:20px;
  top:8px;border-radius:6px;font-size:12px;font-weight:700;display:grid;place-items:center;
  line-height:1;box-shadow:none;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--panel-2);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-md);margin:26px 0;background:var(--panel-2);}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(53,224,210,.42);}
.article-body a:hover{color:var(--brand-light);border-bottom-color:var(--brand);}
.article-body strong{color:var(--brand-light);font-weight:600;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{
  background:var(--panel-2);border:1px solid var(--line);border-radius:6px;
  padding:2px 7px;font-size:14px;color:var(--cyan);
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--panel-2);color:var(--brand-light);font-weight:600;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--dim);text-align:center;margin-top:10px;}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);background:rgba(184,255,46,.04);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line-strong);
  color:var(--brand);font-size:26px;background:rgba(184,255,46,.08);
}
.empty-state h2{font-size:20px;margin:0 0 10px;color:var(--text);}
.empty-state p{margin:0 0 24px;color:var(--muted);font-size:15px;}

/* ============ 侧栏 ============ */
.article-aside{display:grid;gap:24px;position:sticky;top:96px;}
.toc{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);
}
.toc h2{
  font-size:15px;font-weight:700;margin:0 0 16px;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.toc h2::before{content:"";width:14px;height:2px;background:var(--brand);border-radius:2px;box-shadow:0 0 10px rgba(184,255,46,.7);}
.toc-list{display:grid;gap:2px;max-height:340px;overflow:auto;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--muted);
  padding:8px 10px 8px 14px;border-left:2px solid rgba(184,255,46,.16);
  border-radius:0 8px 8px 0;
}
.toc-list a:hover,.toc-list a.is-active{
  color:var(--brand);border-left-color:var(--brand);background:rgba(184,255,46,.07);
}
.toc-list a.toc-sub{padding-left:26px;font-size:13px;color:var(--dim);}
.toc-empty{font-size:13px;color:var(--dim);}

.hot-box{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px;
}
.hot-box h2{font-size:15px;font-weight:700;margin:0 0 16px;color:var(--text);}
.hot-list{display:grid;gap:10px;}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);
  padding:10px 12px;border-radius:var(--radius-sm);border:1px solid transparent;
  transition:all .2s ease;
}
.hot-list a:hover{color:var(--brand);background:rgba(184,255,46,.06);border-color:var(--line);}
.hot-list .hot-num{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--accent);
  line-height:1.7;min-width:16px;
}

/* ============ 文末标签与翻页 ============ */
.article-foot{margin-top:36px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .tag-label{font-size:13px;color:var(--dim);margin-right:4px;}
.tag{
  font-size:12px;padding:5px 14px;border-radius:999px;
  border:1px solid rgba(53,224,210,.35);color:var(--cyan);background:rgba(53,224,210,.10);
}
.tag:hover{border-color:var(--cyan);background:rgba(53,224,210,.18);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px;}
.post-nav-item{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 20px;transition:all .22s ease;
}
.post-nav-item span{display:block;font-size:12px;color:var(--dim);margin-bottom:8px;letter-spacing:1px;}
.post-nav-item a,.post-nav-item em{font-size:15px;font-style:normal;color:var(--muted);line-height:1.6;}
.post-nav-item a:hover{color:var(--brand);}
.post-nav-item.is-empty em{color:var(--dim);}
.post-nav-item:not(.is-empty):hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-3px);}

/* ============ 相关阅读 ============ */
.related{padding:0 0 96px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:32px;font-weight:700;margin:0;letter-spacing:-.3px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card),var(--glow);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--panel-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-media .badge{position:absolute;left:14px;top:14px;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--text);margin:0;}
.card:hover .card-title{color:var(--brand-light);}
.card-text{font-size:14px;line-height:1.8;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--dim);margin-top:auto;padding-top:8px;border-top:1px solid var(--line);}
.card-foot .card-time{color:var(--accent);}
.card-foot .card-arrow{color:var(--brand);}

/* ============ 底部 CTA ============ */
.cta-band{padding:0 0 96px;}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background-image:linear-gradient(90deg,rgba(10,13,11,.94),rgba(18,23,19,.86)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:48px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-inner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.cta-text{position:relative;z-index:2;max-width:640px;}
.cta-text h2{font-size:28px;font-weight:700;margin:0 0 12px;}
.cta-text p{font-size:15px;color:var(--muted);margin:0;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#080B09;border-top:1px solid var(--line);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin:18px 0 20px;max-width:360px;}
.social{display:flex;gap:10px;flex-wrap:wrap;}
.social a{font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);color:var(--muted);}
.social a:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(184,255,46,.07);}
.footer-col h3{font-size:15px;font-weight:600;margin:0 0 18px;color:var(--text);}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-contact{font-size:14px;color:var(--muted);line-height:2;}
.footer-contact b{color:var(--text);font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--dim);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-title{font-size:40px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .nav-actions .btn-primary{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:44px 0 72px;}
  .article-aside{position:static;order:-1;grid-template-columns:1fr;}
  .article-panel{padding:32px 28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-title{font-size:34px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:768px){
  .shell{padding:0 16px;}
  .topbar-text{display:none;}
  .topbar-inner{justify-content:space-between;}
  .article-hero{padding:36px 0 32px;}
  .article-title{font-size:28px;margin:14px 0 16px;}
  .article-panel{padding:24px 18px;border-radius:var(--radius-md);}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:21px;margin:34px 0 14px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .cta-inner{padding:32px 22px;}
  .cta-text h2{font-size:22px;}
  .related,.cta-band{padding-bottom:64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .nav-inner{height:62px;}
  .logo-text em{letter-spacing:1px;}
}
@media (max-width:520px){
  .article-title{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-lg{height:48px;padding:0 22px;font-size:15px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .meta-row{font-size:12px;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0D0B;
  --panel:#121713;
  --panel-2:#171E19;
  --line:rgba(184,255,46,.14);
  --line-soft:rgba(234,241,233,.10);
  --brand:#B8FF2E;
  --brand-light:#D2FF6B;
  --brand-dark:#8FCC16;
  --orange:#FF6A2B;
  --cyan:#35E0D2;
  --text:#EAF1E9;
  --muted:#A7B4A9;
  --dim:#6E7B71;
  --radius-lg:18px;
  --radius-sm:14px;
  --radius-btn:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 28px rgba(184,255,46,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.88;
  letter-spacing:.2px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease,transform .22s ease}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(184,255,46,.28);color:#0A0D0B}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:"Barlow Condensed","Oswald","PingFang SC",system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ============ 顶栏与导航 ============ */
.site-header{position:sticky;top:0;z-index:70}
.topbar{background:#070907;border-bottom:1px solid var(--line-soft);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px}
.topbar-text{color:var(--dim);letter-spacing:.4px}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{color:var(--muted);font-size:13px}
.topbar-links a:hover{color:var(--brand)}
.navbar{
  background:linear-gradient(180deg,rgba(18,23,19,.97),rgba(10,13,11,.96));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  position:relative;
}
.navbar::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,255,46,.55),transparent);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;display:grid;place-items:center;border-radius:11px;
  border:1px solid rgba(184,255,46,.55);background:rgba(184,255,46,.10);
  color:var(--brand);font-weight:800;font-size:15px;letter-spacing:.6px;
  box-shadow:0 0 18px rgba(184,255,46,.16) inset;
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:.6px;color:var(--text)}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:2.4px;color:var(--dim)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:8px 2px;display:inline-block}
.nav-links a:hover{color:var(--brand-light)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(184,255,46,.75);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;cursor:pointer;
  border:1px solid var(--line);background:rgba(184,255,46,.06);position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--brand);border-radius:2px;
  transform:translateX(-50%);transition:.25s;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px}
.nav-toggle span::after{content:"";top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#0C110E;padding:10px 0 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 0;color:var(--muted);font-size:15px;border-bottom:1px solid rgba(234,241,233,.05)}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--brand)}
.mobile-menu .btn{margin-top:16px;border-bottom:none}

/* ============ 按钮 / 徽章 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#0A0D0B}
.btn-primary:hover{background:var(--brand-light);transform:translateY(-2px);box-shadow:0 0 24px rgba(184,255,46,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.35)}
.btn-ghost{background:transparent;border-color:rgba(234,241,233,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(184,255,46,.10);color:var(--brand-light);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.6px;color:var(--brand-light);
  border:1px solid rgba(184,255,46,.32);background:rgba(184,255,46,.12);
}
.badge-cyan{color:var(--cyan);border-color:rgba(53,224,210,.34);background:rgba(53,224,210,.12)}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.4px;
}
.tag-cyan{color:var(--cyan);background:rgba(53,224,210,.10);border:1px solid rgba(53,224,210,.30)}
.tag-brand{color:var(--brand-light);background:rgba(184,255,46,.10);border:1px solid rgba(184,255,46,.28)}
.time{font-size:13px;color:var(--orange);letter-spacing:.5px}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2.6px;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";display:inline-block;width:20px;height:2px;background:var(--brand);vertical-align:middle;margin-right:10px;border-radius:2px}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative}
.section-alt{background:#0C110E;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:.4px}
.section-head h2 .hl{color:var(--brand)}
.section-desc{max-width:420px;color:var(--muted);font-size:15px;line-height:1.8}
.section-head .eyebrow{margin-bottom:10px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 82% 20%,rgba(53,224,210,.14),transparent 70%),
    linear-gradient(180deg,rgba(10,13,11,.88) 0%,rgba(10,13,11,.93) 55%,var(--bg) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:80px 24px 88px;max-width:1200px;margin:0 auto}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span{color:var(--cyan)}
.crumbs em{font-style:normal;color:var(--brand-light)}
.hero h1{font-size:46px;line-height:1.14;font-weight:800;margin:16px 0 18px;letter-spacing:.5px}
.hero h1 .hl{color:var(--brand);text-shadow:0 0 26px rgba(184,255,46,.35)}
.hero-sub{color:var(--muted);font-size:17px;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;max-width:560px}
.stat{padding:16px 18px;border-radius:var(--radius-sm);background:rgba(23,30,25,.72);border:1px solid var(--line-soft)}
.stat strong{display:block;font-size:26px;color:var(--orange);line-height:1.1;font-weight:800}
.stat span{display:block;font-size:13px;color:var(--dim);margin-top:6px}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-2);
  box-shadow:var(--shadow-card);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 45%,rgba(10,13,11,.72));
}
.hero-media-tip{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(184,255,46,.85);flex-shrink:0}

/* ============ 主题胶囊 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}
.chip{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid var(--line-soft);background:rgba(23,30,25,.6);
}
.chip:hover{color:var(--brand-light);border-color:rgba(184,255,46,.45);background:rgba(184,255,46,.10);transform:translateY(-2px)}
.chip.is-active{color:#0A0D0B;background:var(--brand);border-color:var(--brand);font-weight:600}

/* ============ 卡片网格 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--panel);border:1px solid var(--line-soft);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(184,255,46,.35);box-shadow:var(--shadow-card),var(--shadow-glow)}
.card-media{display:block;background:var(--panel-2);overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 24px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{font-size:19px;font-weight:600;line-height:1.5}
.card-title a:hover{color:var(--brand-light)}
.card-text{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--dim);
}
.card-foot .arrow{color:var(--cyan);transition:transform .25s ease}
.card:hover .card-foot .arrow{transform:translateX(4px)}
.more-row{margin-top:40px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ============ 时间线 ============ */
.schedule-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.timeline{list-style:none;border-left:1px solid var(--line);padding-left:26px}
.timeline li{position:relative;padding:0 0 28px 6px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-32px;top:10px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);box-shadow:0 0 12px rgba(184,255,46,.55);
}
.tl-time{display:block;font-size:15px;font-weight:700;color:var(--orange);letter-spacing:1.2px;margin-bottom:4px}
.timeline h3{font-size:18px;font-weight:600;margin-bottom:6px}
.timeline p{font-size:14px;color:var(--muted);line-height:1.8}
.schedule-note{
  margin-top:32px;padding:20px 22px;border-radius:var(--radius-sm);
  background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--cyan);
  font-size:14px;color:var(--muted);line-height:1.8;
}
.schedule-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-soft);background:var(--panel-2)}
.schedule-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  padding:26px 24px;border-radius:var(--radius-sm);
  background:linear-gradient(180deg,rgba(23,30,25,.95),rgba(18,23,19,.85));
  border:1px solid var(--line-soft);position:relative;overflow:hidden;
}
.step::before{content:"";position:absolute;top:0;left:24px;width:36px;height:2px;background:var(--brand);border-radius:2px}
.step:hover{border-color:rgba(184,255,46,.34);box-shadow:var(--shadow-glow);transform:translateY(-3px);transition:.25s}
.step-num{font-size:30px;font-weight:800;color:var(--orange);line-height:1;margin-bottom:14px}
.step h3{font-size:18px;font-weight:600;margin-bottom:10px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 图文错位 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--panel-2);box-shadow:var(--shadow-card)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:32px;margin-bottom:20px;letter-spacing:.4px}
.split h2 .hl{color:var(--brand)}
.split p{color:var(--muted);font-size:16px;margin-bottom:18px}
.split-list{list-style:none;margin:24px 0 28px;display:flex;flex-direction:column;gap:14px}
.split-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text)}
.split-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(184,255,46,.5);
}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:15px;border-bottom:1px solid rgba(53,224,210,.4);padding-bottom:2px}
.link-more:hover{color:var(--brand);border-color:var(--brand)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq details{
  border-radius:var(--radius-sm);border:1px solid var(--line-soft);
  background:var(--panel);overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq details[open]{border-color:rgba(184,255,46,.35);background:var(--panel-2)}
.faq summary{
  cursor:pointer;list-style:none;position:relative;
  padding:20px 56px 20px 22px;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);transform:scaleY(0);transform-origin:center;transition:transform .25s ease;
}
.faq details[open] summary::before{transform:scaleY(1)}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq summary:hover{color:var(--brand-light)}
.faq .faq-body{padding:0 24px 22px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ============ CTA 表单 ============ */
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:52px;border-radius:22px;
  background:
    radial-gradient(600px 260px at 12% 0%,rgba(184,255,46,.10),transparent 70%),
    linear-gradient(180deg,#141A16,#0E1310);
  border:1px solid rgba(184,255,46,.24);
  box-shadow:0 0 0 1px rgba(184,255,46,.06),var(--shadow-card);
}
.cta-panel h2{font-size:30px;margin-bottom:16px;letter-spacing:.4px}
.cta-panel h2 .hl{color:var(--brand)}
.cta-copy p{color:var(--muted);font-size:15px}
.cta-list{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-list li{
  font-size:13px;color:var(--brand-light);padding:6px 14px;border-radius:999px;
  background:rgba(184,255,46,.10);border:1px solid rgba(184,255,46,.28);
}
.cta-form{display:flex;flex-direction:column;gap:12px;padding:28px;border-radius:var(--radius-lg);background:rgba(10,13,11,.72);border:1px solid var(--line-soft)}
.cta-form label{font-size:14px;color:var(--muted)}
.cta-form input{
  height:48px;padding:0 16px;border-radius:var(--radius-btn);
  background:#0C110E;border:1px solid var(--line-soft);color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--dim)}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(184,255,46,.14)}
.cta-form input.is-error{border-color:#FF5A3C;box-shadow:0 0 0 3px rgba(255,90,60,.14)}
.form-err{margin:0;font-size:13px;color:#FF8266;line-height:1.6}
.form-note{font-size:12.5px;color:var(--dim);line-height:1.7}
.form-ok{margin:0;font-size:13.5px;color:var(--brand-light)}

/* ============ 页脚 ============ */
.site-footer{background:#070907;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand p{color:var(--dim);font-size:14px;line-height:1.85;margin:18px 0 20px;max-width:340px}
.footer-brand .logo{margin-bottom:6px}
.social{display:flex;gap:10px;flex-wrap:wrap}
.social a{
  font-size:13px;padding:6px 14px;border-radius:999px;color:var(--muted);
  border:1px solid var(--line-soft);background:rgba(23,30,25,.6);
}
.social a:hover{color:var(--brand);border-color:rgba(184,255,46,.45)}
.footer-col h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px;letter-spacing:.6px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--dim)}
.footer-col a:hover{color:var(--brand)}
.footer-contact{font-size:14px;color:var(--dim);line-height:2}
.footer-contact b{color:var(--muted);font-weight:500}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 24px 72px}
  .hero h1{font-size:36px}
  .hero-media{max-width:620px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .schedule-wrap{grid-template-columns:1fr;gap:40px}
  .split{grid-template-columns:1fr;gap:36px}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:76px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px}
}
@media (max-width:768px){
  body{font-size:16px}
  .topbar{display:none}
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:block}
  .hero h1{font-size:30px}
  .hero-stats{grid-template-columns:1fr;gap:12px;max-width:none}
  .section-head h2,.split h2,.cta-panel h2{font-size:24px}
  .section{padding:60px 0}
  .shell{padding:0 16px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:640px){
  .grid-cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-panel{padding:28px 20px;border-radius:18px}
  .cta-form{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .card:hover,.step:hover,.btn:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#0A0D0B;
  --panel:#121713;
  --panel-2:#171E19;
  --line:rgba(184,255,46,.14);
  --line-2:rgba(255,255,255,.07);
  --brand:#B8FF2E;
  --brand-light:#D2FF6B;
  --brand-dark:#8FCC16;
  --orange:#FF6A2B;
  --cyan:#35E0D2;
  --text:#EAF1E9;
  --muted:#A7B4A9;
  --dim:#6E7B71;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.88;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:700;letter-spacing:.4px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(184,255,46,.28);color:#fff;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}
.num-font{font-family:"Barlow Condensed","Oswald","PingFang SC",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#070A08;border-bottom:1px solid var(--line-2);font-size:13px;color:var(--muted);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:38px;}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--dim);}
.topbar-links{display:flex;align-items:center;gap:16px;}
.topbar-links a{color:var(--muted);font-size:13px;}
.topbar-links a:hover{color:var(--brand);}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(184,255,46,.10);color:var(--brand);white-space:nowrap;}
.badge-brand{border-color:rgba(184,255,46,.38);}
.badge-cyan{border-color:rgba(53,224,210,.35);background:rgba(53,224,210,.10);color:var(--cyan);}
.badge-flame{border-color:rgba(255,106,43,.35);background:rgba(255,106,43,.10);color:var(--orange);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(10,13,11,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.site-header.scrolled{background:rgba(7,10,8,.98);box-shadow:0 14px 34px rgba(0,0,0,.55);}
.site-header.scrolled::after{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(184,255,46,.75),transparent);}
.navbar{position:relative;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:800;letter-spacing:1px;color:var(--brand);
  background:linear-gradient(160deg,rgba(184,255,46,.18),rgba(184,255,46,.04));
  border:1px solid rgba(184,255,46,.42);
  box-shadow:0 0 18px rgba(184,255,46,.16);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16;}
.logo-text strong{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.6px;}
.logo-text em{font-style:normal;font-size:11px;color:var(--dim);letter-spacing:2px;}
.logo:hover .logo-text strong{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:15px;font-weight:500;color:var(--muted);position:relative;padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--brand);border-radius:2px;transition:right .26s ease;}
.nav-links a:hover{color:var(--brand-light);}
.nav-links a:hover::after{right:0;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{right:0;box-shadow:0 0 12px rgba(184,255,46,.7);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{width:42px;height:38px;border-radius:var(--radius-sm);border:1px solid var(--line);display:none;place-items:center;background:rgba(255,255,255,.02);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;position:relative;transition:.2s;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:.2s;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#0B0F0C;padding:14px 0 22px;}
.mobile-menu.open{display:block;}
.mobile-menu a{display:block;padding:12px 4px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line-2);}
.mobile-menu a.active{color:var(--brand);}
.mobile-menu .btn-block{margin-top:16px;border-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.6px;
  transition:transform .18s ease,background .2s ease,box-shadow .24s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{display:flex;width:100%;}
.btn-primary{background:var(--brand);color:#0A0D0B;}
.btn-primary:hover{background:var(--brand-light);color:#0A0D0B;transform:translateY(-2px);box-shadow:0 0 24px rgba(184,255,46,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{background:transparent;border-color:rgba(184,255,46,.35);color:var(--brand);}
.btn-ghost:hover{background:rgba(184,255,46,.10);border-color:var(--brand);transform:translateY(-2px);}
.btn-line{background:transparent;border-color:var(--line-2);color:var(--muted);}
.btn-line:hover{border-color:var(--cyan);color:var(--cyan);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;}

/* ---------- 通用链接 ---------- */
.link-underline{color:var(--cyan);border-bottom:1px solid rgba(53,224,210,.4);padding-bottom:2px;}
.link-underline:hover{color:var(--brand);border-color:var(--brand);}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--cyan);}
.arrow-link::after{content:"→";transition:transform .2s ease;}
.arrow-link:hover::after{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);padding-top:26px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--cyan);}
.crumb .now{color:var(--muted);}

/* ---------- 板块 ---------- */
.section{padding:88px 0;border-top:1px solid var(--line-2);}
.section-alt{background:#0C110D;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head h2{font-size:32px;}
.section-head p{color:var(--muted);font-size:16px;margin-top:12px;max-width:720px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:3px;color:var(--brand);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45;}
.hero-veil{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 82% 18%, rgba(184,255,46,.16), transparent 62%),
  linear-gradient(180deg,rgba(10,13,11,.86) 0%,rgba(10,13,11,.94) 58%,var(--bg) 100%);}
.hero-inner{position:relative;padding-bottom:86px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;padding-top:34px;}
.hero h1{font-size:46px;font-weight:800;line-height:1.16;margin-bottom:20px;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-media{position:relative;}
.hero-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--line);}
.hero-media .float-card{
  position:absolute;left:-18px;bottom:-22px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:14px 18px;box-shadow:var(--shadow);min-width:180px;
}
.hero-media .float-card b{display:block;font-size:22px;color:var(--orange);font-weight:800;}
.hero-media .float-card span{font-size:12px;color:var(--dim);letter-spacing:1px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:46px;max-width:680px;}
.hero-stats .stat{border-top:2px solid var(--line);padding-top:14px;}
.hero-stats b{display:block;font-size:28px;font-weight:800;color:var(--orange);letter-spacing:1px;}
.hero-stats span{font-size:13px;color:var(--dim);}

/* ---------- 卖点胶囊 ---------- */
.pill-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.pill{
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--radius-md);
  padding:20px 22px;transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.pill:hover{border-color:rgba(184,255,46,.35);transform:translateY(-4px);box-shadow:0 0 0 1px rgba(184,255,46,.35),0 0 28px rgba(184,255,46,.16);}
.pill .k{font-size:12px;color:var(--cyan);letter-spacing:2px;display:block;margin-bottom:8px;}
.pill h3{font-size:18px;margin-bottom:8px;}
.pill p{font-size:14px;color:var(--muted);}

/* ---------- 主内容：左宽行 + 右侧栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start;}
.row-list{display:flex;flex-direction:column;gap:16px;}
.row-item{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;align-items:start;
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--radius-md);
  padding:22px 24px;transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.row-item:hover{border-color:rgba(184,255,46,.32);background:var(--panel-2);transform:translateY(-4px);}
.row-num{
  font-size:34px;line-height:1;font-weight:800;color:var(--orange);letter-spacing:1px;
  padding-top:2px;
}
.row-body h3{font-size:19px;margin-bottom:8px;}
.row-body h3 a:hover{color:var(--brand);}
.row-body p{font-size:14.5px;color:var(--muted);margin-bottom:12px;}
.row-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--dim);}
.tag{display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:5px 11px;border-radius:999px;border:1px solid rgba(53,224,210,.32);background:rgba(53,224,210,.08);color:var(--cyan);}
.tag-flame{border-color:rgba(255,106,43,.32);background:rgba(255,106,43,.08);color:var(--orange);}
.row-meta .time{color:var(--orange);}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:16px;background:var(--brand);border-radius:2px;}
.side-links{display:flex;flex-direction:column;}
.side-links a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--line-2);font-size:14.5px;color:var(--muted);}
.side-links a:last-child{border-bottom:0;}
.side-links a span{color:var(--dim);font-size:12.5px;}
.side-links a:hover{color:var(--brand);}
.hot-list{display:flex;flex-direction:column;gap:14px;}
.hot-list li{display:grid;grid-template-columns:26px minmax(0,1fr);gap:10px;align-items:start;}
.hot-list .idx{font-size:15px;font-weight:800;color:var(--orange);}
.hot-list a{font-size:14.5px;color:var(--muted);line-height:1.6;}
.hot-list a:hover{color:var(--brand);}
.side-help{background:linear-gradient(150deg,rgba(184,255,46,.14),rgba(23,30,25,.9));border:1px solid rgba(184,255,46,.3);}
.side-help p{font-size:14px;color:var(--muted);margin-bottom:16px;}

/* ---------- 场景图文 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene{
  background:var(--panel);border:1px solid var(--line-2);border-radius:var(--radius-lg);overflow:hidden;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.scene:hover{border-color:rgba(184,255,46,.35);transform:translateY(-4px);box-shadow:0 0 0 1px rgba(184,255,46,.35),0 0 28px rgba(184,255,46,.16);}
.scene-img{aspect-ratio:16/9;background:var(--panel-2);overflow:hidden;}
.scene-img img{width:100%;height:100%;object-fit:cover;}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{font-size:19px;margin-bottom:10px;}
.scene-body p{font-size:14.5px;color:var(--muted);margin-bottom:14px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{position:relative;background:var(--panel);border:1px solid var(--line-2);border-radius:var(--radius-md);padding:26px 22px 24px;}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-14px;left:20px;background:var(--bg);padding:0 10px;
  font-size:16px;font-weight:800;color:var(--orange);letter-spacing:2px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--muted);}
.step:hover{border-color:rgba(53,224,210,.3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq{background:var(--panel);border:1px solid var(--line-2);border-left:3px solid transparent;border-radius:var(--radius-md);overflow:hidden;transition:border-color .24s ease,background .24s ease;}
.faq[open]{border-left-color:var(--brand);background:var(--panel-2);border-color:rgba(184,255,46,.28);}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--brand);font-size:20px;font-weight:700;line-height:1;transition:transform .24s ease;}
.faq[open] summary::after{content:"–";}
.faq summary:hover{color:var(--brand-light);}
.faq .faq-body{padding:0 24px 22px;font-size:15px;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--panel-2);border:1px solid rgba(184,255,46,.28);border-radius:var(--radius-lg);
  padding:44px;box-shadow:0 0 0 1px rgba(184,255,46,.08),0 24px 60px rgba(0,0,0,.5);overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 280px at 88% 10%,rgba(184,255,46,.16),transparent 65%);pointer-events:none;}
.cta-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;}
.cta-grid h2{font-size:30px;margin-bottom:14px;}
.cta-grid p{color:var(--muted);font-size:15.5px;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-form .field-row{display:flex;gap:12px;}
.cta-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  background:#0C110D;border:1px solid var(--line-2);color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--dim);}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(184,255,46,.16);}
.cta-form input.error{border-color:#FF5C3B;box-shadow:0 0 0 3px rgba(255,92,59,.16);}
.form-note{font-size:13px;color:var(--dim);}
.form-msg{font-size:13px;color:#FF7A55;min-height:18px;}
.form-msg.ok{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:#070A08;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand p{font-size:14px;color:var(--dim);margin:18px 0 20px;max-width:340px;}
.footer-brand .logo{margin-bottom:4px;}
.social{display:flex;gap:10px;}
.social a{font-size:12.5px;color:var(--muted);border:1px solid var(--line-2);border-radius:999px;padding:6px 14px;transition:.2s;}
.social a:hover{border-color:var(--brand);color:var(--brand);}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text);position:relative;padding-left:12px;}
.footer-col h3::before{content:"";position:absolute;left:0;top:6px;width:3px;height:14px;background:var(--brand);border-radius:2px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-contact{font-size:14px;color:var(--muted);line-height:2;}
.footer-contact b{color:var(--text);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line-2);padding:18px 0 24px;display:flex;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--dim);flex-wrap:wrap;
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero h1{font-size:36px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media .float-card{left:12px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .sidebar{position:static;}
  .pill-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:860px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .topbar-text{display:none;}
  .topbar-links{justify-content:flex-end;width:100%;}
}
@media (max-width:768px){
  .shell{padding:0 16px;}
  .section{padding:60px 0;}
  .hero-inner{padding-bottom:60px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr;gap:16px;max-width:100%;}
  .hero-stats .stat{display:flex;align-items:baseline;gap:12px;border-top-width:1px;}
  .hero-stats b{font-size:22px;}
  .section-head h2{font-size:24px;}
  .scene-grid{grid-template-columns:1fr;}
  .row-item{grid-template-columns:46px minmax(0,1fr);gap:14px;padding:20px 18px;}
  .row-num{font-size:26px;}
  .cta-band{padding:28px 20px;}
  .cta-grid h2{font-size:23px;}
  .cta-form .field-row{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .pill-row{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .btn{width:100%;}
  .nav-actions .btn-sm{display:none;}
  .hero-cta{flex-direction:column;}
  .logo-text em{letter-spacing:1px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
    --ink:#0A0D0B;
    --panel:#121713;
    --panel-2:#171E19;
    --panel-3:#1D2620;
    --line:rgba(184,255,46,.14);
    --line-soft:rgba(234,241,233,.08);
    --brand:#B8FF2E;
    --brand-light:#D2FF6B;
    --brand-dark:#8FCC16;
    --orange:#FF6A2B;
    --cyan:#35E0D2;
    --text:#EAF1E9;
    --muted:#A7B4A9;
    --dim:#6E7B71;
    --r-lg:18px;
    --r-md:14px;
    --r-btn:10px;
    --shadow:0 18px 40px rgba(0,0,0,.45);
    --shell:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  html body{
    margin:0;
    background:var(--ink);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.88;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;background:var(--panel-2)}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
  a:hover{color:var(--brand-light)}
  button{font-family:inherit;cursor:pointer}
  input,select,textarea{font-family:inherit;font-size:15px}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:#fff}
  p{margin:0 0 20px}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
  ::selection{background:var(--brand);color:#0A0D0B}
  ::-webkit-scrollbar{width:10px;height:10px}
  ::-webkit-scrollbar-track{background:#0A0D0B}
  ::-webkit-scrollbar-thumb{background:#26301F;border-radius:8px;border:2px solid #0A0D0B}
  ::-webkit-scrollbar-thumb:hover{background:var(--brand-dark)}

  .shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(10,13,11,.92);backdrop-filter:blur(12px)}
  .site-header.scrolled{background:rgba(8,11,9,.98);box-shadow:0 12px 30px rgba(0,0,0,.5)}
  .topbar{background:#080B09;border-bottom:1px solid var(--line-soft)}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;font-size:13px;color:var(--dim)}
  .topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-links{display:flex;align-items:center;gap:18px;flex-shrink:0}
  .topbar-links a{color:var(--muted)}
  .topbar-links a:hover{color:var(--brand)}
  .badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(184,255,46,.12);color:var(--brand)}
  .badge-cyan{border-color:rgba(53,224,210,.3);background:rgba(53,224,210,.12);color:var(--cyan)}
  .badge-orange{border-color:rgba(255,106,43,.32);background:rgba(255,106,43,.12);color:var(--orange)}
  .navbar{border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(184,255,46,.05),rgba(10,13,11,0) 70%)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
  .logo{display:inline-flex;align-items:center;gap:12px}
  .logo-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,rgba(184,255,46,.22),rgba(53,224,210,.14));border:1px solid var(--line);color:var(--brand);font-weight:800;font-size:15px;letter-spacing:.06em}
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-text strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
  .logo-text em{font-style:normal;font-size:11px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase}
  .nav-links{display:flex;align-items:center;gap:28px}
  .nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 2px}
  .nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--cyan));transform:scaleX(0);transition:transform .22s ease}
  .nav-links a:hover{color:var(--brand)}
  .nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
  .nav-links a.active{color:#fff}
  .nav-actions{display:flex;align-items:center;gap:14px}
  .nav-toggle{display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line);background:rgba(184,255,46,.06);position:relative}
  .nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--brand);border-radius:2px;transform:translateX(-50%);transition:.25s}
  .nav-toggle span{top:50%;margin-top:-1px}
  .nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
  .nav-toggle span::after{content:"";top:6px;left:0;transform:none}
  .site-header.menu-open .nav-toggle span{background:transparent}
  .site-header.menu-open .nav-toggle span::before{transform:rotate(45deg);top:0}
  .site-header.menu-open .nav-toggle span::after{transform:rotate(-45deg);top:0}
  .mobile-menu{display:none;border-top:1px solid var(--line);background:#0C110D}
  .mobile-menu .shell{display:flex;flex-direction:column;gap:4px;padding-top:14px;padding-bottom:20px}
  .mobile-menu a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--muted);border:1px solid transparent}
  .mobile-menu a:hover{background:rgba(184,255,46,.07);color:var(--brand)}
  .mobile-menu a.active{color:#fff;border-color:var(--line);background:rgba(184,255,46,.08)}
  .mobile-menu .btn{margin-top:10px}

  /* ---------- Buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;white-space:nowrap}
  .btn.btn-primary{background:var(--brand);color:#0A0D0B;border-color:var(--brand)}
  .btn.btn-primary:hover{background:var(--brand-light);color:#0A0D0B;transform:translateY(-2px);box-shadow:0 0 24px rgba(184,255,46,.35)}
  .btn.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.3)}
  .btn.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
  .btn.btn-ghost:hover{border-color:var(--brand);background:rgba(184,255,46,.10);color:var(--brand-light);transform:translateY(-2px)}
  .btn.btn-text{background:none;border:none;height:auto;padding:0;color:var(--cyan);font-weight:600;border-bottom:1px solid rgba(53,224,210,.4);border-radius:0}
  .btn.btn-text:hover{color:var(--brand);border-color:var(--brand)}
  .btn.btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn.btn-block{width:100%}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}

  /* ---------- Section basics ---------- */
  .section{padding:88px 0;border-top:1px solid var(--line-soft)}
  .section-alt{background:linear-gradient(180deg,#0D120E,#0A0D0B)}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
  .sec-title{font-size:32px;font-weight:700;display:flex;align-items:center;gap:14px}
  .sec-title::before{content:"";width:4px;height:26px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--cyan));display:inline-block}
  .sec-sub{color:var(--muted);font-size:15px;max-width:640px;margin-top:12px}
  .eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);font-weight:600}
  .divider{height:1px;background:linear-gradient(90deg,var(--line),rgba(234,241,233,.04),transparent)}

  /* ---------- Page hero ---------- */
  .page-hero{position:relative;isolation:isolate;padding:56px 0 72px;background:#0A0D0B;overflow:hidden}
  .page-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.34;z-index:-2}
  .page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,11,.86) 0%,rgba(10,13,11,.94) 62%,#0A0D0B 100%);z-index:-1}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:26px}
  .crumbs a{color:var(--muted)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{color:var(--cyan);opacity:.8}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:52px;align-items:center}
  .hero-title{font-size:46px;font-weight:800;letter-spacing:.01em}
  .hero-title .hl{color:var(--brand);text-shadow:0 0 26px rgba(184,255,46,.28)}
  .hero-lead{margin-top:20px;font-size:18px;line-height:1.75;color:var(--muted);max-width:620px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .hero-note{margin-top:18px;font-size:13px;color:var(--dim)}
  .status-panel{background:linear-gradient(160deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:24px}
  .status-panel h2{font-size:16px;letter-spacing:.02em;display:flex;align-items:center;gap:10px}
  .dot-live{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(184,255,46,.16);animation:pulse 1.8s infinite}
  @keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(184,255,46,.16)}50%{box-shadow:0 0 0 8px rgba(184,255,46,.05)}}
  .status-list{margin-top:16px;display:flex;flex-direction:column;gap:2px}
  .status-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line-soft);font-size:14px}
  .status-row:last-child{border-bottom:0}
  .status-row b{color:var(--orange);font-weight:700;font-size:15px}
  .status-row span{color:var(--muted)}
  .hero-media{margin-top:22px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
  .hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}

  /* ---------- Stat cards ---------- */
  .stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  .stat-card{position:relative;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
  .stat-card::before{content:"";position:absolute;top:0;left:24px;width:44px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--cyan))}
  .stat-card:hover{transform:translateY(-4px);border-color:rgba(184,255,46,.35);box-shadow:var(--shadow),0 0 28px rgba(184,255,46,.18)}
  .stat-num{font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:.02em;font-family:"Barlow Condensed","Oswald",system-ui,sans-serif}
  .stat-num small{font-size:16px;font-weight:700;margin-left:4px}
  .stat-label{margin-top:10px;font-size:15px;color:#fff;font-weight:600}
  .stat-desc{margin-top:8px;font-size:13px;color:var(--dim);line-height:1.7}

  /* ---------- Feature rows ---------- */
  .feature-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:52px;align-items:center;padding:56px 0;border-bottom:1px solid rgba(234,241,233,.06)}
  .feature-row:last-of-type{border-bottom:0}
  .feature-row.reverse .feature-media{order:2}
  .feature-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--panel-2);box-shadow:var(--shadow)}
  .feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
  .feature-media:hover img{transform:scale(1.03)}
  .feature-media .tag-float{position:absolute;left:16px;bottom:16px}
  .feature-body h3{font-size:22px;font-weight:600;display:flex;align-items:center;gap:12px}
  .feature-body h3 .idx{font-family:"Barlow Condensed","Oswald",system-ui,sans-serif;font-size:15px;color:var(--orange);font-weight:700;letter-spacing:.08em}
  .feature-body p{color:var(--muted);font-size:16px}
  .check-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
  .check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--muted);line-height:1.8}
  .check-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--brand)}
  .row-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--cyan);padding-bottom:2px;border-bottom:1px solid rgba(53,224,210,.35)}
  .row-link:hover{color:var(--brand);border-color:var(--brand)}
  .row-link .arrow{transition:transform .22s ease}
  .row-link:hover .arrow{transform:translateX(4px)}

  /* ---------- Channel list ---------- */
  .channel-list{border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;background:var(--panel)}
  .channel-row{display:grid;grid-template-columns:1.1fr 1.4fr 1.1fr auto;gap:20px;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line-soft);transition:background .2s ease}
  .channel-row:last-child{border-bottom:0}
  .channel-row:hover{background:rgba(184,255,46,.05)}
  .channel-name{font-size:17px;font-weight:600;color:#fff}
  .channel-name span{display:block;font-size:12px;color:var(--dim);font-weight:400;margin-top:4px;letter-spacing:.06em}
  .channel-scope{font-size:14px;color:var(--muted)}
  .channel-time{font-size:14px;color:var(--orange);font-weight:600}

  /* ---------- Steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step}
  .step{position:relative;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-md);padding:24px 22px;transition:border-color .2s ease,transform .2s ease}
  .step:hover{border-color:rgba(184,255,46,.35);transform:translateY(-3px)}
  .step-num{font-family:"Barlow Condensed","Oswald",system-ui,sans-serif;font-size:30px;font-weight:800;color:rgba(255,106,43,.9);line-height:1}
  .step h3{font-size:17px;margin-top:14px}
  .step p{font-size:14px;color:var(--muted);margin:8px 0 0}

  /* ---------- FAQ ---------- */
  .faq{display:flex;flex-direction:column;gap:12px}
  .faq-item{border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--panel);overflow:hidden;transition:border-color .2s ease}
  .faq-item[open]{border-color:rgba(184,255,46,.35);box-shadow:0 0 24px rgba(184,255,46,.10)}
  .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;color:#fff}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary .plus{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);position:relative}
  .faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);transform:translate(-50%,-50%)}
  .faq-item summary .plus::before{width:10px;height:2px}
  .faq-item summary .plus::after{width:2px;height:10px;transition:opacity .2s ease}
  .faq-item[open] summary .plus::after{opacity:0}
  .faq-body{padding:0 24px 22px 24px;border-left:3px solid var(--brand);margin:0 0 0 24px;padding-left:18px}
  .faq-body p{font-size:15px;color:var(--muted);margin:0}

  /* ---------- CTA / form ---------- */
  .cta-card{position:relative;background:linear-gradient(150deg,#151C16,#0E130F);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px;box-shadow:var(--shadow),inset 0 0 60px rgba(184,255,46,.05)}
  .cta-card::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;box-shadow:0 0 0 1px rgba(53,224,210,.14),0 0 40px rgba(184,255,46,.10)}
  .cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start;position:relative;z-index:1}
  .cta-title{font-size:30px}
  .cta-p{color:var(--muted);font-size:16px;margin-top:16px}
  .cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
  .field label{font-size:13px;color:var(--muted)}
  .field input,.field select,.field textarea{width:100%;background:#0C110D;border:1px solid rgba(234,241,233,.14);border-radius:var(--r-btn);color:var(--text);padding:12px 14px;transition:border-color .2s ease,box-shadow .2s ease}
  .field textarea{min-height:104px;resize:vertical;line-height:1.7}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(184,255,46,.16)}
  .field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#FF5A3C;box-shadow:0 0 0 3px rgba(255,106,43,.16)}
  .field .tip{font-size:13px;color:#FF8A63;min-height:0}
  .form-note{font-size:13px;color:var(--dim);margin-top:12px}

  /* ---------- Footer ---------- */
  .site-footer{background:#080B09;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
  .footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin:18px 0 20px;max-width:360px}
  .footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:var(--muted)}
  .footer-col a:hover{color:var(--brand)}
  .footer-contact{font-size:14px;color:var(--muted);line-height:2}
  .footer-contact b{color:var(--text);font-weight:600}
  .social{display:flex;gap:10px}
  .social a{display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--muted)}
  .social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(184,255,46,.08)}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--dim)}
  .footer-bottom a{color:var(--cyan)}

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .nav-links{gap:20px}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-title{font-size:38px}
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .section{padding:72px 0}
    .channel-row{grid-template-columns:1fr 1fr;gap:12px 20px}
  }
  @media (max-width:768px){
    .shell{padding:0 18px}
    .nav-links{display:none}
    .nav-toggle{display:inline-flex}
    .site-header.menu-open .mobile-menu{display:block}
    .topbar-text{display:none}
    .topbar-inner{justify-content:center}
    .hero-title{font-size:30px}
    .hero-lead{font-size:16px}
    .sec-title{font-size:24px}
    .sec-title::before{height:20px}
    .feature-row{grid-template-columns:1fr;gap:26px;padding:40px 0}
    .feature-row.reverse .feature-media{order:0}
    .cta-grid{grid-template-columns:1fr;gap:30px}
    .cta-card{padding:28px 22px}
    .form-row{grid-template-columns:1fr}
    .section{padding:56px 0}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{justify-content:flex-start}
    .faq-item summary{font-size:16px;padding:18px 18px}
    .faq-body{margin-left:18px;padding:0 18px 20px 14px}
    .channel-row{grid-template-columns:1fr;padding:18px}
    .channel-row .btn{width:100%}
  }
  @media (max-width:520px){
    .stat-grid,.steps{grid-template-columns:1fr}
    .hero-cta .btn{width:100%}
    .stat-num{font-size:28px}
    .cta-title{font-size:24px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
    .btn:hover,.stat-card:hover,.step:hover{transform:none}
  }

/* roulang page: category4 */
:root{
  --bg:#0A0D0B;
  --panel:#121713;
  --panel-2:#171E19;
  --line:rgba(184,255,46,.14);
  --line-soft:rgba(255,255,255,.07);
  --brand:#B8FF2E;
  --brand-light:#D2FF6B;
  --brand-dark:#8FCC16;
  --orange:#FF6A2B;
  --cyan:#35E0D2;
  --text:#EAF1E9;
  --text-2:#A7B4A9;
  --text-3:#6E7B71;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 28px rgba(184,255,46,.18);
  --font-num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(184,255,46,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0D0B}
::-webkit-scrollbar-thumb{background:rgba(184,255,46,.28);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(184,255,46,.5)}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line-soft);position:relative}
.section-alt{background:linear-gradient(180deg,#0C110E 0%,#0A0D0B 100%)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);border-radius:2px}
.section-title{
  font-size:32px;line-height:1.32;font-weight:700;color:#fff;letter-spacing:.01em;
}
.section-desc{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:680px}
.section-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--cyan);
  font-size:14px;font-weight:600;
}
.section-link:hover{color:var(--brand)}
.section-link i{transition:transform .25s ease}
.section-link:hover i{transform:translateX(4px)}

/* ===== 顶部信息条 ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(10,13,11,.94);backdrop-filter:blur(14px)}
.topbar{background:#0B100D;border-bottom:1px solid var(--line-soft)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar-text{font-size:13px;color:var(--text-3);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-links{display:flex;align-items:center;gap:18px;font-size:13px;flex-shrink:0}
.topbar-links a{color:var(--text-2)}
.topbar-links a:hover{color:var(--brand)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  border:1px solid var(--line);background:rgba(184,255,46,.10);color:var(--brand);
  line-height:1.6;
}
.badge-cyan{border-color:rgba(53,224,210,.35);background:rgba(53,224,210,.10);color:var(--cyan)}
.badge-orange{border-color:rgba(255,106,43,.35);background:rgba(255,106,43,.10);color:var(--orange)}

/* ===== 导航 ===== */
.navbar{position:relative;border-bottom:1px solid var(--line)}
.navbar::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,255,46,.55),transparent);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;display:grid;place-items:center;border-radius:12px;
  border:1px solid rgba(184,255,46,.45);background:rgba(184,255,46,.08);
  color:var(--brand);font-family:var(--font-num);font-weight:800;font-size:17px;
  letter-spacing:.06em;text-shadow:0 0 12px rgba(184,255,46,.55);
}
.logo-text strong{display:block;font-size:15px;font-weight:700;color:#fff;letter-spacing:.05em;line-height:1.3}
.logo-text em{display:block;font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.14em;line-height:1.4}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;display:inline-block;font-size:15px;font-weight:500;
  color:var(--text-2);padding:8px 2px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
  box-shadow:0 0 12px rgba(184,255,46,.7);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:rgba(184,255,46,.06);cursor:pointer;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-menu{display:none;background:#0B100D;border-top:1px solid var(--line)}
.mobile-menu.open{display:block}
.mobile-menu .shell{padding-top:8px;padding-bottom:20px}
.mobile-menu a{display:block;padding:13px 0;border-bottom:1px solid var(--line-soft);color:var(--text-2);font-size:15px}
.mobile-menu a:hover{color:var(--brand)}
.mobile-menu a.active{color:var(--brand)}
.mobile-menu .btn{margin-top:18px;border-bottom:0;display:flex;color:#0A0D0B}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;line-height:1.4;
  transition:background .25s ease,color .25s ease,transform .2s ease,box-shadow .3s ease,border-color .25s ease;
}
.btn-primary{background:var(--brand);color:#0A0D0B;box-shadow:0 8px 24px rgba(184,255,46,.18)}
.btn-primary:hover{background:var(--brand-light);transform:translateY(-2px);box-shadow:0 0 24px rgba(184,255,46,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35)}
.btn-outline{background:transparent;border-color:rgba(184,255,46,.38);color:var(--brand)}
.btn-outline:hover{background:rgba(184,255,46,.10);border-color:var(--brand);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text-2);padding:12px 4px;position:relative}
.btn-ghost::after{
  content:"";position:absolute;left:4px;right:4px;bottom:6px;height:1px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;
}
.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  background-color:var(--panel-2);filter:saturate(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,13,11,.95) 0%,rgba(10,13,11,.86) 45%,rgba(10,13,11,.62) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;
  align-items:center;padding:92px 0 100px;
}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs span{color:var(--cyan)}
.crumbs .current{color:var(--text-2)}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.16;font-weight:800;
  color:#fff;letter-spacing:.01em;margin:18px 0 18px;
}
.hero h1 .hl{color:var(--brand);text-shadow:0 0 26px rgba(184,255,46,.35)}
.hero-sub{font-size:18px;color:var(--text-2);line-height:1.8;max-width:560px}
.hero-desc{margin-top:16px;color:var(--text-3);font-size:15px;line-height:1.9;max-width:580px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line-soft)}
.hero-stats .num{
  font-family:var(--font-num);font-size:32px;font-weight:700;color:var(--orange);
  line-height:1;letter-spacing:.02em;
}
.hero-stats .lbl{display:block;margin-top:8px;font-size:13px;color:var(--text-3)}

.hero-panel{
  background:linear-gradient(180deg,rgba(23,30,25,.96),rgba(18,23,19,.96));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(53,224,210,.4),transparent);
}
.hero-panel h2{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.hero-panel .panel-note{font-size:13px;color:var(--text-3);margin-bottom:18px}
.panel-list li + li{margin-top:10px}
.panel-list a{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-md);
  background:rgba(184,255,46,.05);border:1px solid var(--line-soft);font-size:14px;color:var(--text-2);
  transition:.25s ease;
}
.panel-list a:hover{background:rgba(184,255,46,.10);border-color:rgba(184,255,46,.35);color:var(--text);transform:translateX(3px)}
.panel-list .idx{
  font-family:var(--font-num);font-size:16px;color:var(--orange);font-weight:700;flex-shrink:0;
}
.panel-list .arrow{margin-left:auto;color:var(--text-3);font-size:12px}

/* ===== 速查卡片 ===== */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.quick-card{
  position:relative;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);padding:26px 24px;transition:.28s ease;overflow:hidden;
}
.quick-card::after{
  content:"";position:absolute;left:24px;right:24px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);opacity:.5;transition:opacity .3s ease;
}
.quick-card:hover{
  transform:translateY(-4px);border-color:rgba(184,255,46,.35);
  box-shadow:var(--shadow),0 0 0 1px rgba(184,255,46,.30),var(--glow);
}
.quick-card:hover::after{opacity:1}
.quick-num{
  font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--orange);
  line-height:1;letter-spacing:.04em;display:block;margin-bottom:16px;
}
.quick-card h3{font-size:19px;font-weight:600;color:#fff;line-height:1.5;margin-bottom:10px}
.quick-card p{font-size:14px;color:var(--text-2);line-height:1.85}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;
  border:1px solid rgba(53,224,210,.28);background:rgba(53,224,210,.08);color:var(--cyan);line-height:1.7;
}
.tag-orange{border-color:rgba(255,106,43,.30);background:rgba(255,106,43,.08);color:var(--orange)}
.tag-brand{border-color:var(--line);background:rgba(184,255,46,.10);color:var(--brand)}

/* ===== 时间轴 ===== */
.timeline{position:relative;padding-left:36px}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(184,255,46,.35) 60%,rgba(184,255,46,.05) 100%);
}
.tl-item{
  position:relative;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);padding:24px 26px;margin-bottom:24px;transition:.28s ease;
}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:30px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);box-shadow:0 0 12px rgba(184,255,46,.65);
}
.tl-item:hover{border-color:rgba(184,255,46,.32);box-shadow:var(--shadow),var(--glow)}
.tl-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.tl-step{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--orange);border:1px solid rgba(255,106,43,.32);border-radius:999px;padding:3px 12px;
}
.tl-item h3{font-size:20px;font-weight:600;color:#fff;line-height:1.5}
.tl-item p{font-size:15px;color:var(--text-2);line-height:1.88}
.tl-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;font-weight:600;color:var(--cyan)}
.tl-link:hover{color:var(--brand)}
.tl-link i{transition:transform .25s ease}
.tl-link:hover i{transform:translateX(4px)}

/* ===== FAQ ===== */
.faq-group{margin-bottom:40px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{
  display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600;color:#fff;margin-bottom:18px;
}
.faq-group-title::before{content:"";width:3px;height:20px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(184,255,46,.6)}
.faq-item{
  position:relative;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:.28s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;
  box-shadow:0 0 14px rgba(184,255,46,.7);
}
.faq-item[open]{border-color:rgba(184,255,46,.32);background:var(--panel-2)}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 24px;cursor:pointer;font-size:17px;font-weight:600;color:var(--text);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand);font-size:12px;transition:.3s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(184,255,46,.12)}
.faq-answer{padding:0 24px 20px;font-size:15px;color:var(--text-2);line-height:1.9}
.faq-answer a{color:var(--cyan);border-bottom:1px solid rgba(53,224,210,.4)}
.faq-answer a:hover{color:var(--brand);border-color:var(--brand)}

/* ===== 图文板块 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--panel-2)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,13,11,.72) 100%);
}
.step-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line-soft);
}
.step-list li:last-child{border-bottom:0}
.step-list .step-idx{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--font-num);font-size:17px;font-weight:700;color:var(--brand);
  border:1px solid var(--line);background:rgba(184,255,46,.08);
}
.step-list h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:6px}
.step-list p{font-size:14px;color:var(--text-2);line-height:1.85}

/* ===== 数据格 ===== */
.stat-card{
  position:relative;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--radius-md);padding:26px 22px;transition:.28s ease;
}
.stat-card::before{
  content:"";position:absolute;top:0;left:22px;width:38px;height:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(184,255,46,.6);
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(184,255,46,.3);box-shadow:var(--glow)}
.stat-card .val{
  font-family:var(--font-num);font-size:34px;font-weight:700;color:#fff;line-height:1;letter-spacing:.02em;
}
.stat-card .val small{font-size:16px;color:var(--orange);margin-left:4px}
.stat-card h3{font-size:15px;font-weight:600;color:var(--text);margin:14px 0 8px}
.stat-card p{font-size:13px;color:var(--text-3);line-height:1.8}

/* ===== CTA 表单 ===== */
.cta-wrap{
  position:relative;background:linear-gradient(135deg,#131A15 0%,#0D120F 100%);
  border:1px solid var(--line);border-radius:22px;padding:48px;
  box-shadow:var(--shadow);overflow:hidden;
}
.cta-wrap::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--cyan),transparent);
  opacity:.8;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;position:relative;z-index:2}
.cta-copy h2{font-size:28px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:16px}
.cta-copy p{color:var(--text-2);font-size:15px;line-height:1.9}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2)}
.cta-points i{color:var(--brand);margin-top:6px;font-size:12px}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em}
.form-field input,.form-field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  background:#0C110E;border:1px solid var(--line-soft);color:var(--text);
  font-size:15px;font-family:inherit;transition:.25s ease;resize:vertical;
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-3)}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:rgba(184,255,46,.55);box-shadow:0 0 0 3px rgba(184,255,46,.12);
}
.form-field.error input,.form-field.error textarea{border-color:rgba(255,106,43,.75);box-shadow:0 0 0 3px rgba(255,106,43,.12)}
.form-hint{font-size:13px;color:var(--orange);margin-top:8px;display:none}
.form-field.error .form-hint{display:block}
.form-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.8}
.form-ok{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);
  border:1px solid rgba(184,255,46,.4);background:rgba(184,255,46,.10);
  color:var(--brand);font-size:14px;
}
.form-ok.show{display:block}

/* ===== 页脚 ===== */
.site-footer{background:#0B100D;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--text-2);line-height:1.9;max-width:340px}
.social{display:flex;gap:10px;margin-top:20px}
.social a{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;font-size:13px;
  border:1px solid var(--line);background:rgba(184,255,46,.06);color:var(--brand);
}
.social a:hover{background:rgba(184,255,46,.16);border-color:var(--brand);transform:translateY(-2px)}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-left:12px}
.footer-col h3::before{content:"";position:absolute;left:0;top:8px;width:3px;height:14px;border-radius:2px;background:var(--brand)}
.footer-col ul li a{display:inline-block;font-size:14px;color:var(--text-2);padding:5px 0}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(3px)}
.footer-contact{font-size:14px;color:var(--text-2);line-height:2.1}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--cyan)}
.footer-bottom a:hover{color:var(--brand)}

/* ===== 返回顶部 ===== */
.backtop{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;border:1px solid var(--line);background:rgba(18,23,19,.92);
  color:var(--brand);cursor:pointer;opacity:0;visibility:hidden;transition:.3s ease;z-index:70;
}
.backtop.show{opacity:1;visibility:visible}
.backtop:hover{background:var(--brand);color:#0A0D0B;box-shadow:0 0 22px rgba(184,255,46,.45)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0 72px}
  .cards-3,.cards-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-wrap{padding:36px 28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:72px 0}
}
@media (min-width:1024px){
  .mobile-menu{display:none!important}
}
@media (max-width:767px){
  html body{font-size:15.5px}
  .shell{padding:0 16px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .section-desc{font-size:15px}
  .topbar-text{display:none}
  .topbar-inner{justify-content:center}
  .cards-2,.cards-3,.cards-4{grid-template-columns:1fr;gap:16px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:24px}
  .hero-stats .num{font-size:26px}
  .tl-item{padding:20px 18px}
  .tl-item h3{font-size:18px}
  .timeline{padding-left:26px}
  .tl-item::before{left:-24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
  .cta-wrap{padding:28px 18px}
  .cta-copy h2{font-size:22px}
  .backtop{right:14px;bottom:16px;width:42px;height:42px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}