/* roulang page: index */
:root{
  --bg-900:#070A12;
  --bg-800:#0D1424;
  --surface:#121B2E;
  --surface-2:#18233A;
  --brand-lime:#A8FF35;
  --brand-mint:#21E6C1;
  --brand-violet:#7C5CFF;
  --promo:#FF5C28;
  --text-1:#EAF0FA;
  --text-2:#A9B6CC;
  --text-3:#6F7E96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --grad-brand:linear-gradient(120deg,#A8FF35 0%,#21E6C1 45%,#7C5CFF 100%);
  --grad-warm:linear-gradient(120deg,#FF5C28 0%,#7C5CFF 100%);
  --glow-lime:0 0 0 1px rgba(168,255,53,.35),0 12px 40px rgba(168,255,53,.16);
  --shadow-1:0 8px 24px rgba(0,0,0,.38);
  --shadow-2:0 14px 36px rgba(0,0,0,.5);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --radius-btn:14px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-lime);}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.25;}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,33px);font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{max-width:var(--container);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- buttons ---------- */
.btn-neon,.btn-ghost,.btn-promo{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:0;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,border-color .2s ease;
}
.btn-neon{background:var(--grad-brand);color:#08101C;}
.btn-neon:hover{color:#08101C;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 12px 30px rgba(33,230,193,.28);}
.btn-neon:active{transform:translateY(1px);}
.btn-neon:focus-visible{outline:3px solid rgba(168,255,53,.55);outline-offset:3px;}
.btn-ghost{background:transparent;color:var(--text-1);border:1px solid var(--line-strong);}
.btn-ghost:hover{color:var(--brand-lime);border-color:rgba(168,255,53,.5);background:rgba(168,255,53,.08);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(168,255,53,.4);outline-offset:3px;}
.btn-promo{background:var(--promo);color:#150703;}
.btn-promo:hover{color:#150703;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,92,40,.3);}
.btn-promo:focus-visible{outline:3px solid rgba(255,92,40,.5);outline-offset:3px;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- notice bar ---------- */
.notice-bar{background:#0A0F1C;border-bottom:1px solid rgba(255,255,255,.05);position:relative;}
.notice-bar::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-brand);opacity:.75;}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-lime);box-shadow:0 0 0 4px rgba(168,255,53,.14);flex:0 0 auto;}
.notice-inner p{margin:0;font-size:13px;color:var(--text-2);line-height:1.6;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.notice-close{background:transparent;border:0;color:var(--text-3);font-size:14px;padding:4px 8px;border-radius:8px;cursor:pointer;transition:color .18s;}
.notice-close:hover{color:var(--brand-lime);}
@media (max-width:767.98px){.notice-bar{display:none;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(168,255,53,0),rgba(168,255,53,.85) 25%,rgba(124,92,255,.85) 75%,rgba(124,92,255,0));
}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:26px;height:26px;border-radius:9px;background:var(--grad-brand);position:relative;box-shadow:0 0 18px rgba(168,255,53,.35);}
.brand-mark::after{content:"";position:absolute;inset:7px 7px auto 7px;height:2px;border-radius:2px;background:rgba(7,10,18,.75);box-shadow:0 5px 0 rgba(7,10,18,.55),0 10px 0 rgba(7,10,18,.35);}
.brand-name{font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:.01em;}
.brand:hover .brand-name{color:var(--brand-lime);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;color:var(--text-2);font-weight:500;
}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-lime);text-shadow:0 0 14px rgba(168,255,53,.35);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:.2s;}
.nav-toggle:focus-visible{outline:3px solid rgba(168,255,53,.5);outline-offset:2px;}
.mobile-panel{
  display:none;position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:1040;
  background:rgba(9,13,24,.98);backdrop-filter:blur(14px);
  border-left:1px solid var(--line);padding:88px 22px 28px;
  transform:translateX(100%);transition:transform .26s ease;
}
.mobile-panel.open{transform:translateX(0);}
.mobile-nav{display:flex;flex-direction:column;gap:6px;}
.mobile-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:16px;color:var(--text-2);border-left:3px solid transparent;
}
.mobile-nav a:hover,.mobile-nav a.active{background:rgba(168,255,53,.08);border-left-color:var(--brand-lime);color:var(--brand-lime);}
.mobile-mask{display:none;position:fixed;inset:0;background:rgba(3,5,10,.6);z-index:1035;opacity:0;transition:opacity .26s;}
.mobile-mask.open{opacity:1;}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-actions .btn-neon{display:none;}
  .nav-toggle{display:flex;}
  .mobile-panel,.mobile-mask{display:block;}
  .mobile-panel{visibility:hidden;}
  .mobile-panel.open{visibility:visible;}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 72px;background:radial-gradient(900px 420px at 12% -10%,rgba(124,92,255,.18),transparent 65%),radial-gradient(700px 380px at 88% 8%,rgba(33,230,193,.14),transparent 62%),var(--bg-900);}
.hero-grid-bg{position:absolute;inset:0;opacity:.05;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);background-size:56px 56px;}
.hero .container{position:relative;z-index:2;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;border:1px solid rgba(168,255,53,.3);background:rgba(168,255,53,.07);color:var(--brand-lime);font-size:13px;font-weight:600;letter-spacing:.02em;}
.hero h1{margin:20px 0 18px;}
.hero-sub{font-size:17px;line-height:1.9;color:var(--text-2);max-width:600px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.data-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);}
.data-badge i{color:var(--brand-lime);font-size:12px;}
.data-badge b{font-size:22px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:var(--text-1);line-height:1;}
.data-badge span{font-size:12.5px;color:var(--text-3);}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,10,18,.78),rgba(7,10,18,.05) 60%,transparent);pointer-events:none;}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:var(--radius-md);
  background:rgba(12,18,32,.9);border:1px solid rgba(168,255,53,.24);
}
.hero-float-tag{align-self:flex-start;font-size:12px;font-weight:600;color:#08101C;background:var(--brand-lime);border-radius:999px;padding:3px 10px;}
.hero-float strong{font-size:17px;color:var(--text-1);}
.hero-float-link{font-size:13.5px;color:var(--text-2);}
.hero-float:hover{border-color:rgba(168,255,53,.55);}
.hero-float:hover .hero-float-link{color:var(--brand-lime);}
.hero-lightbar{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,rgba(168,255,53,0),rgba(168,255,53,.9) 30%,rgba(33,230,193,.9) 55%,rgba(124,92,255,.9) 78%,rgba(124,92,255,0));}

/* ---------- chip strip ---------- */
.chip-strip{padding:26px 0;border-bottom:1px solid var(--line);background:var(--bg-800);}
.chip-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;}
.chip-scroll::-webkit-scrollbar{height:4px;}
.chip-scroll::-webkit-scrollbar-thumb{background:rgba(168,255,53,.3);border-radius:4px;}
.chip{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;height:42px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);font-size:14px;font-weight:500;}
.chip i{font-size:12px;color:var(--brand-mint);}
.chip:hover{border-color:rgba(168,255,53,.45);color:var(--brand-lime);background:rgba(168,255,53,.07);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-800);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px;}
.section-head h2{margin-top:14px;}
.section-desc{margin:12px 0 0;color:var(--text-2);font-size:15.5px;max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--text-2);padding-bottom:4px;border-bottom:1px solid transparent;}
.link-more:hover{color:var(--brand-lime);border-bottom-color:rgba(168,255,53,.5);}
@media (max-width:991.98px){.section{padding:72px 0;}}
@media (max-width:767.98px){.section{padding:60px 0;}.section-head{margin-bottom:32px;}}

/* ---------- tier ladder ---------- */
.tier-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:end;position:relative;}
.tier-track::before{content:"";position:absolute;left:8%;right:8%;bottom:38px;height:1px;background:linear-gradient(90deg,rgba(168,255,53,.4),rgba(33,230,193,.4),rgba(124,92,255,.4));}
.tier{position:relative;display:flex;flex-direction:column;padding:30px 26px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tier-1{min-height:320px;border-color:rgba(168,255,53,.28);}
.tier-2{min-height:364px;border-color:rgba(33,230,193,.3);}
.tier-3{min-height:408px;border-color:rgba(124,92,255,.42);box-shadow:0 0 0 1px rgba(124,92,255,.25),0 14px 36px rgba(0,0,0,.5),0 0 44px rgba(124,92,255,.16);}
.tier-step{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:#08101C;margin-bottom:18px;}
.tier-1 .tier-step{background:var(--brand-lime);}
.tier-2 .tier-step{background:var(--brand-mint);}
.tier-3 .tier-step{background:var(--brand-violet);color:#F4F1FF;}
.tier h3{font-size:20px;margin-bottom:10px;}
.tier-note{font-size:14.5px;color:var(--text-2);margin-bottom:18px;}
.tier ul{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.tier li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.tier li i{color:var(--brand-lime);font-size:12px;margin-top:8px;flex:0 0 auto;}
.tier .btn-ghost,.tier .btn-neon{margin-top:auto;}
@media (max-width:991.98px){
  .tier-track{grid-template-columns:1fr;gap:18px;align-items:stretch;}
  .tier-track::before{display:none;}
  .tier{min-height:auto;border-left:3px solid rgba(168,255,53,.35);}
  .tier-2{border-left-color:rgba(33,230,193,.45);}
  .tier-3{border-left-color:rgba(124,92,255,.55);}
}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{position:relative;display:flex;flex-direction:column;padding:32px 26px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.plan:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--shadow-2);}
.plan-featured{background:var(--surface-2);border:1px solid transparent;background-image:linear-gradient(var(--surface-2),var(--surface-2)),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box;transform:scale(1.03);z-index:2;}
.plan-featured:hover{transform:scale(1.03) translateY(-4px);}
.plan-tag{position:absolute;top:-13px;left:24px;height:26px;padding:0 14px;border-radius:999px;background:var(--grad-brand);color:#08101C;font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;letter-spacing:.02em;}
.plan h3{font-size:20px;margin-bottom:8px;}
.plan-price{display:flex;align-items:baseline;gap:8px;margin:14px 0 18px;}
.plan-price b{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--brand-lime);line-height:1;}
.plan-price small{font-size:13px;color:var(--text-3);}
.plan-divider{height:1px;background:linear-gradient(90deg,rgba(255,255,255,.14),rgba(255,255,255,0));margin-bottom:20px;}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.plan li i{font-size:12px;margin-top:8px;flex:0 0 auto;color:var(--brand-lime);}
.plan li.off{color:var(--text-3);}
.plan li.off i{color:var(--text-3);}
.plan .btn-neon,.plan .btn-ghost{margin-top:auto;}
@media (max-width:991.98px){
  .plan-grid{grid-template-columns:1fr;gap:26px;}
  .plan-featured{transform:none;}
  .plan-featured:hover{transform:translateY(-4px);}
}

/* ---------- limited bar ---------- */
.promo-band{padding:0;}
.promo-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
  padding:30px 34px;border-radius:var(--radius-lg);
  background:var(--grad-warm);box-shadow:0 16px 44px rgba(255,92,40,.22);
}
.promo-copy{flex:1 1 320px;color:#140806;}
.promo-copy h2{color:#140806;font-size:clamp(22px,2.3vw,28px);margin-bottom:6px;}
.promo-copy p{margin:0;font-size:14.5px;color:rgba(20,8,6,.78);}
.countdown{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.cd-cell{min-width:64px;padding:10px 8px;border-radius:var(--radius-sm);background:rgba(7,10,18,.82);text-align:center;border:1px solid rgba(255,255,255,.14);}
.cd-cell b{display:block;font-size:24px;font-weight:800;color:var(--brand-lime);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;}
.cd-cell span{font-size:11.5px;color:var(--text-3);}
.cd-sep{color:rgba(20,8,6,.5);font-weight:800;font-size:18px;}
.promo-inner .btn-ghost{background:rgba(7,10,18,.85);border-color:rgba(7,10,18,.85);color:var(--brand-lime);}
.promo-inner .btn-ghost:hover{background:#070A12;color:var(--brand-lime);border-color:#A8FF35;}
@media (max-width:767.98px){
  .promo-inner{padding:26px 22px;}
  .countdown{width:100%;justify-content:flex-start;}
}

/* ---------- latest / CMS ---------- */
.lead-card{display:block;position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-1);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.lead-card:hover,.mini-card:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--shadow-2);}
.lead-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.lead-body{padding:26px 26px 24px;}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.cat-chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;border:1px solid rgba(33,230,193,.3);background:rgba(33,230,193,.08);color:var(--brand-mint);font-size:12.5px;font-weight:600;}
.time-txt{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.lead-body h3{font-size:22px;line-height:1.45;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lead-body p{color:var(--text-2);font-size:15px;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mini-card{display:flex;flex-direction:column;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-1);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.mini-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mini-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.mini-body h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-body p{font-size:14px;color:var(--text-2);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.mini-foot .arrow{color:var(--brand-lime);font-size:13px;}
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-lg);background:rgba(255,255,255,.02);
  color:var(--text-3);font-size:14.5px;
}
.empty-state i{font-size:26px;color:rgba(168,255,53,.5);}
.empty-state a{color:var(--brand-lime);font-weight:600;}
@media (max-width:991.98px){.mini-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:767.98px){.mini-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);border-left:3px solid rgba(168,255,53,.45);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item.open{border-color:rgba(168,255,53,.45);box-shadow:0 0 0 1px rgba(168,255,53,.18);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:64px;padding:16px 22px;background:transparent;border:0;text-align:left;color:var(--text-1);font-size:16px;font-weight:600;cursor:pointer;}
.faq-q:focus-visible{outline:3px solid rgba(168,255,53,.45);outline-offset:-3px;}
.faq-q i{color:var(--brand-lime);font-size:14px;transition:transform .25s ease;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{margin:0;padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.9;}

/* ---------- form ---------- */
.consult-wrap{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.consult-points{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.consult-points li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8;}
.consult-points i{color:var(--brand-lime);font-size:13px;margin-top:9px;flex:0 0 auto;}
.form-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);padding:30px 28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:500;}
.field .form-control,.field .form-select{
  height:48px;border-radius:var(--radius-sm);background:#0E1523;border:1px solid rgba(255,255,255,.1);
  color:var(--text-1);font-size:15px;padding:0 14px;box-shadow:none;
}
.field textarea.form-control{height:auto;min-height:118px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field .form-control::placeholder,.field textarea.form-control::placeholder{color:var(--text-3);}
.field .form-control:focus,.field .form-select:focus{background:#0E1523;border-color:rgba(168,255,53,.6);color:var(--text-1);box-shadow:0 0 0 3px rgba(168,255,53,.16);}
.field .form-select option{background:#0E1523;color:var(--text-1);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px;}
.check-row input{width:18px;height:18px;margin-top:6px;accent-color:var(--brand-lime);flex:0 0 auto;}
.check-row label{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0;}
.form-tip{display:none;margin-bottom:18px;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;line-height:1.7;}
.form-tip.ok{display:block;background:rgba(168,255,53,.1);border:1px solid rgba(168,255,53,.35);color:var(--brand-lime);}
.form-tip.err{display:block;background:rgba(255,92,40,.1);border:1px solid rgba(255,92,40,.4);color:#FF8A63;}
@media (max-width:991.98px){.consult-wrap{grid-template-columns:1fr;}}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--bg-900);padding:72px 0 0;margin-top:0;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,rgba(168,255,53,0),rgba(168,255,53,.8) 30%,rgba(33,230,193,.8) 55%,rgba(124,92,255,.8) 78%,rgba(124,92,255,0));}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.85;max-width:300px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);font-size:15px;}
.social-row a:hover{color:var(--brand-lime);border-color:rgba(168,255,53,.45);background:rgba(168,255,53,.07);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text-1);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand-lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-3);line-height:1.75;}
.footer-contact i{color:var(--brand-mint);font-size:13px;margin-top:8px;flex:0 0 auto;}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-3);}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:28px;}.site-footer{padding-top:56px;}}

/* roulang page: category1 */
:root{
  --bg-900:#070A12;
  --bg-800:#0D1424;
  --surface:#121B2E;
  --surface-2:#18233A;
  --input-bg:#0E1523;
  --brand-lime:#A8FF35;
  --brand-mint:#21E6C1;
  --brand-violet:#7C5CFF;
  --promo:#FF5C28;
  --text-1:#EAF0FA;
  --text-2:#A9B6CC;
  --text-3:#6F7E96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --grad-brand:linear-gradient(120deg,#A8FF35 0%,#21E6C1 45%,#7C5CFF 100%);
  --grad-line:linear-gradient(90deg,rgba(168,255,53,0) 0%,#A8FF35 25%,#21E6C1 60%,rgba(124,92,255,0) 100%);
  --glow-lime:0 0 0 1px rgba(168,255,53,.35),0 0 26px rgba(168,255,53,.18);
  --shadow-1:0 8px 24px rgba(0,0,0,.38);
  --shadow-2:0 14px 36px rgba(0,0,0,.5),0 0 30px rgba(168,255,53,.12);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-btn:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .12s ease,border-color .12s ease,background-color .12s ease;}
a:hover{color:var(--brand-lime);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(168,255,53,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1400px){.container{max-width:1280px;}}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
@media(max-width:991px){.section{padding:72px 0;}.section-tight{padding:56px 0;}}
@media(max-width:767px){.section{padding:56px 0;}.section-tight{padding:48px 0;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--brand-mint);
  border:1px solid rgba(33,230,193,.3);
  background:rgba(33,230,193,.07);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.section-head{margin-bottom:44px;}
.section-head h2{font-size:32px;font-weight:700;line-height:1.25;letter-spacing:-.005em;}
.section-head p{color:var(--text-2);font-size:16px;margin-top:14px;max-width:760px;}
.section-head .head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;}
@media(max-width:767px){.section-head h2{font-size:25px;} .section-head{margin-bottom:32px;}}

/* ============ 顶部公告条 ============ */
.announce{
  background:#05070E;
  border-top:1px solid transparent;
  border-image:var(--grad-line) 1;
  border-left:0;border-right:0;border-bottom:0;
  font-size:13px;color:var(--text-2);
}
.announce .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.announce .ann-left{display:flex;align-items:center;gap:10px;}
.announce .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-lime);box-shadow:0 0 10px rgba(168,255,53,.8);}
.announce a{color:var(--brand-lime);font-weight:600;}
.announce .ann-close{background:none;border:0;color:var(--text-3);font-size:14px;line-height:1;padding:6px;cursor:pointer;}
.announce .ann-close:hover{color:var(--brand-lime);}
@media(max-width:767px){.announce{display:none;}}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.nav-wrap{
  background:rgba(7,10,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  border-image:var(--grad-line) 1;
  border-left:0;border-right:0;border-top:0;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text-1);font-weight:800;letter-spacing:-.01em;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--grad-brand);
  box-shadow:0 0 18px rgba(168,255,53,.35);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 6px;
  border-radius:3px;
  background:rgba(7,10,18,.82);
  clip-path:polygon(0 0,42% 0,42% 100%,0 100%,0 0,58% 0,100% 0,100% 34%,58% 34%,58% 66%,100% 66%,100% 100%,58% 100%,58% 66%,0 66%,0 34%,58% 34%);
}
.brand-name{font-size:18px;}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.06em;line-height:1;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);position:relative;
  border-bottom:2px solid transparent;
}
.nav-link:hover{color:var(--brand-lime);background:rgba(168,255,53,.06);}
.nav-link.active{
  color:var(--brand-lime);
  border-bottom:2px solid var(--brand-lime);
  text-shadow:0 0 14px rgba(168,255,53,.45);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--grad-brand);color:#05070E;font-weight:700;font-size:15px;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;
  box-shadow:0 6px 20px rgba(33,230,193,.18);
}
.btn-main:hover{color:#05070E;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 30px rgba(168,255,53,.3);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  font-weight:600;font-size:15px;
  transition:border-color .16s ease,background-color .16s ease,transform .16s ease,color .16s ease;
}
.btn-ghost:hover{border-color:var(--brand-lime);background:rgba(168,255,53,.08);color:var(--brand-lime);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-promo{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid var(--promo);
  background:rgba(255,92,40,.12);color:#FFB79A;font-weight:700;font-size:15px;
  transition:background-color .16s ease,transform .16s ease,color .16s ease;
}
.btn-promo:hover{background:var(--promo);color:#14060A;transform:translateY(-2px);}
.btn-sm-main{height:42px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  color:var(--text-1);font-size:18px;
}
.nav-toggle:hover{border-color:var(--brand-lime);color:var(--brand-lime);}
@media(max-width:1199px){.nav-link{padding:9px 10px;font-size:14px;}}
@media(max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-main{display:none;}
  .nav-inner{height:64px;}
}
/* 移动端 offcanvas */
.offcanvas.offcanvas-dark{
  background:linear-gradient(180deg,#0A1020 0%,#070A12 100%);
  border-left:1px solid var(--line);color:var(--text-1);width:min(88vw,360px);
}
.offcanvas-dark .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-dark .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7;}
.offcanvas-dark .btn-close:hover{opacity:1;}
.offcanvas-dark .offcanvas-body{padding:12px 0 0;display:flex;flex-direction:column;height:100%;}
.m-nav{display:flex;flex-direction:column;}
.m-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;
  border-left:3px solid transparent;color:var(--text-2);font-size:16px;
}
.m-nav a:hover{color:var(--brand-lime);background:rgba(168,255,53,.06);}
.m-nav a.active{color:var(--brand-lime);border-left-color:var(--brand-lime);background:rgba(168,255,53,.08);font-weight:600;}
.m-cta{margin-top:auto;padding:20px;border-top:1px solid var(--line);}
.m-cta .btn-main,.m-cta .btn-ghost{width:100%;}

/* ============ 分类横幅 ============ */
.page-hero{
  position:relative;
  min-height:380px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(7,10,18,.95) 0%,rgba(7,10,18,.72) 48%,rgba(7,10,18,.35) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 80%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 80%);
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:52px;}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand-lime);}
.crumb span.sep{margin:0 8px;color:#3E4A61;}
.page-hero h1{
  font-size:50px;font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:860px;
}
.page-hero h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-hero .lead{color:var(--text-2);font-size:17px;max-width:720px;margin-top:16px;line-height:1.9;}
.page-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
@media(max-width:991px){.page-hero h1{font-size:38px;}}
@media(max-width:767px){
  .page-hero{min-height:320px;}
  .page-hero h1{font-size:31px;}
  .page-hero .lead{font-size:15px;}
  .page-hero .container{padding-top:40px;padding-bottom:38px;}
}

/* ============ 通用卡片 / 徽章 ============ */
.card-surface{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card-surface:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--shadow-2);}
.badge-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--brand-mint);
  background:rgba(33,230,193,.08);
  border:1px solid rgba(33,230,193,.28);
  padding:4px 11px;border-radius:999px;line-height:1.6;
}
.badge-chip.lime{color:var(--brand-lime);border-color:rgba(168,255,53,.3);background:rgba(168,255,53,.08);}
.badge-chip.violet{color:#B9A9FF;border-color:rgba(124,92,255,.34);background:rgba(124,92,255,.1);}
.stat-badge{
  display:flex;flex-direction:column;gap:4px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 18px;
}
.stat-badge .val{font-size:23px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--brand-lime);line-height:1.2;}
.stat-badge .lab{font-size:12.5px;color:var(--text-3);}

/* ============ 主内容布局 ============ */
.layout-split{display:grid;grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);gap:28px;align-items:start;}
@media(max-width:991px){.layout-split{grid-template-columns:1fr;gap:24px;}}

.guide-list{display:flex;flex-direction:column;gap:20px;}
.guide-item{
  display:grid;grid-template-columns:270px minmax(0,1fr);
  gap:24px;align-items:stretch;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  box-shadow:var(--shadow-1);
}
.guide-item:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--shadow-2);}
.guide-thumb{position:relative;min-height:200px;background:#0B1220;overflow:hidden;}
.guide-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.guide-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,0) 35%,rgba(7,10,18,.75) 100%);
}
.guide-thumb .idx{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:13px;font-weight:700;color:#05070E;
  background:var(--brand-lime);border-radius:8px;padding:3px 10px;
  font-variant-numeric:tabular-nums;
}
.guide-body{padding:24px 26px 24px 0;display:flex;flex-direction:column;}
.guide-body h3{font-size:20px;font-weight:600;line-height:1.5;}
.guide-body p{color:var(--text-2);font-size:15.5px;margin-top:10px;line-height:1.9;}
.guide-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.guide-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-lime);font-weight:600;}
.guide-foot i{transition:transform .18s ease;}
.guide-item:hover .guide-foot i{transform:translateX(4px);}
@media(max-width:767px){
  .guide-item{grid-template-columns:1fr;}
  .guide-thumb img{aspect-ratio:16/9;}
  .guide-body{padding:0 20px 22px;}
  .guide-thumb .idx{bottom:auto;top:12px;}
}

/* 侧栏 */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
@media(max-width:991px){.side-stack{position:static;}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-1);}
.side-card h4{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h4 i{color:var(--brand-lime);font-size:14px;}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media(max-width:991px){.side-stats{grid-template-columns:repeat(4,1fr);}}
@media(max-width:575px){.side-stats{grid-template-columns:1fr 1fr;}}
.anchor-list li+li{margin-top:6px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:6px 12px;border-radius:10px;
  border:1px solid transparent;font-size:14.5px;
}
.anchor-list a:hover{border-color:rgba(168,255,53,.3);background:rgba(168,255,53,.06);color:var(--brand-lime);}
.anchor-list a i{color:var(--brand-mint);font-size:12px;}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media(max-width:767px){.check-grid{grid-template-columns:1fr;}}
.check-panel{
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
}
.check-panel.accent{border-color:rgba(168,255,53,.28);box-shadow:0 0 0 1px rgba(168,255,53,.08),var(--shadow-1);}
.check-panel h3{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;}
.check-panel h3 i{font-size:16px;color:var(--brand-lime);}
.check-panel p.sub{color:var(--text-2);font-size:14.5px;margin-top:10px;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.85;}
.check-list li i{font-size:13px;margin-top:8px;flex:0 0 auto;color:var(--brand-lime);}
.check-list li b{color:var(--text-1);font-weight:600;}

/* ============ 问答速答（双列） ============ */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:867px){.qa-grid{grid-template-columns:1fr;}}
.qa-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid rgba(33,230,193,.55);
  border-radius:var(--r-md);
  padding:24px 26px;
  transition:border-color .18s ease,transform .18s ease,background-color .18s ease;
  box-shadow:var(--shadow-1);
}
.qa-card:hover{border-left-color:var(--brand-lime);transform:translateY(-4px);background:var(--surface-2);}
.qa-card h3{font-size:17px;font-weight:700;line-height:1.6;}
.qa-card p{color:var(--text-2);font-size:15px;margin-top:10px;line-height:1.9;}

/* ============ CTA 条 ============ */
.cta-band{
  border-radius:var(--r-lg);
  padding:44px 40px;
  background:linear-gradient(120deg,rgba(168,255,53,.14) 0%,rgba(33,230,193,.1) 45%,rgba(124,92,255,.16) 100%),var(--bg-800);
  border:1px solid rgba(168,255,53,.22);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.3;}
.cta-band p{color:var(--text-2);font-size:15.5px;margin-top:12px;max-width:620px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media(max-width:767px){.cta-band{padding:30px 22px;}.cta-band h2{font-size:23px;}.cta-band .cta-actions{width:100%;}.cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-ghost{flex:1 1 100%;}}

/* ============ 表单 ============ */
.consult-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:32px;align-items:start;}
@media(max-width:991px){.consult-wrap{grid-template-columns:1fr;gap:26px;}}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.point-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-2);line-height:1.8;}
.point-list li i{color:var(--brand-mint);margin-top:8px;font-size:13px;flex:0 0 auto;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-1);}
@media(max-width:575px){.form-card{padding:22px 18px;}}
.form-label{font-size:13px;color:var(--text-3);margin-bottom:8px;display:block;}
.form-control,.form-select{
  background:var(--input-bg);border:1px solid rgba(255,255,255,.1);color:var(--text-1);
  height:48px;border-radius:var(--r-sm);font-size:15px;padding:0 14px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.form-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A9B6CC'%3E%3Cpath d='M8 11 3 6h10z'/%3E%3C/svg%3E");}
textarea.form-control{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;}
.form-control:focus,.form-select:focus{
  background:var(--input-bg);color:var(--text-1);
  border-color:var(--brand-lime);
  box-shadow:0 0 0 3px rgba(168,255,53,.18);
}
.form-control::placeholder{color:#4E5B73;}
.form-check-input{background-color:var(--input-bg);border-color:rgba(255,255,255,.18);}
.form-check-input:checked{background-color:var(--brand-lime);border-color:var(--brand-lime);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(168,255,53,.2);border-color:var(--brand-lime);}
.form-check-label{font-size:14px;color:var(--text-2);}
.tip-bar{
  border-radius:var(--r-sm);padding:12px 16px;font-size:14px;margin-bottom:20px;
  display:flex;gap:10px;align-items:flex-start;
}
.tip-bar.ok{background:rgba(168,255,53,.08);border:1px solid rgba(168,255,53,.28);color:#D6FFA6;}
.tip-bar.warn{background:rgba(255,92,40,.1);border:1px solid rgba(255,92,40,.34);color:#FFC3AC;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-900);
  border-top:1px solid transparent;
  border-image:var(--grad-line) 1;
  border-left:0;border-right:0;border-bottom:0;
  padding-top:72px;margin-top:0;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.9;max-width:340px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
  transition:border-color .16s ease,color .16s ease,transform .16s ease;
}
.social-row a:hover{border-color:var(--brand-lime);color:var(--brand-lime);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul li+li{margin-top:10px;}
.footer-col ul a{font-size:14.5px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--brand-lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-contact li i{margin-top:7px;color:var(--brand-mint);font-size:12px;flex:0 0 auto;}
.footer-bottom{
  margin-top:56px;padding:22px 0 30px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
@media(max-width:767px){.site-footer{padding-top:52px;}.footer-bottom{margin-top:36px;}}

/* accordion 覆盖（备用） */
.accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md)!important;overflow:hidden;}
.accordion-button{background:var(--surface);color:var(--text-1);font-weight:600;font-size:16px;padding:20px 22px;}
.accordion-button:not(.collapsed){background:var(--surface-2);color:var(--brand-lime);box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:rgba(168,255,53,.35);}
.accordion-button::after{filter:invert(88%) sepia(35%) saturate(1200%) hue-rotate(35deg);}
.accordion-body{color:var(--text-2);font-size:15px;line-height:1.9;padding:0 22px 22px;}

/* roulang page: article */
:root{
  --bg-900:#070A12;
  --bg-800:#0D1424;
  --surface:#121B2E;
  --surface-2:#18233A;
  --brand-lime:#A8FF35;
  --brand-mint:#21E6C1;
  --brand-violet:#7C5CFF;
  --promo:#FF5C28;
  --text-1:#EAF0FA;
  --text-2:#A9B6CC;
  --text-3:#6F7E96;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.16);
  --grad-brand:linear-gradient(120deg,#A8FF35 0%,#21E6C1 45%,#7C5CFF 100%);
  --r-xl:24px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:12px;
  --r-btn:14px;
  --sh-1:0 8px 24px rgba(0,0,0,.38);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --glow:0 0 26px rgba(168,255,53,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--text-2);text-decoration:none;transition:color .15s ease,border-color .15s ease,background .15s ease}
a:hover{color:var(--brand-lime)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.005em}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:3px solid rgba(168,255,53,.5);outline-offset:2px;border-radius:8px}
::selection{background:rgba(168,255,53,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.82);
  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(168,255,53,0) 0%,rgba(168,255,53,.65) 30%,rgba(124,92,255,.65) 70%,rgba(124,92,255,0) 100%);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text-1);font-weight:800;font-size:17px;letter-spacing:.01em}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:28px;height:28px;border-radius:10px;background:var(--grad-brand);
  box-shadow:0 0 18px rgba(168,255,53,.35);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 7px;border-radius:3px;
  background:rgba(7,10,18,.85);
  clip-path:polygon(0 60%,35% 60%,55% 0,100% 0,65% 100%,40% 100%,52% 72%,0 72%);
}
.brand-name{white-space:nowrap}
.site-header .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.site-header .nav-link{
  position:relative;display:inline-flex;align-items:center;height:42px;
  padding:0 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;font-weight:600;
  letter-spacing:.01em;background:transparent;border:0;
}
.site-header .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.site-header .nav-link.active{color:var(--brand-lime);text-shadow:0 0 12px rgba(168,255,53,.45)}
.site-header .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--brand-lime);box-shadow:0 0 10px rgba(168,255,53,.75);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);
  cursor:pointer;margin-left:auto;transition:border-color .15s ease,background .15s ease;
}
.nav-toggle span{display:block;width:20px;height:2px;margin:0 auto;border-radius:2px;background:var(--text-1);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{border-color:rgba(168,255,53,.5);background:rgba(168,255,53,.08)}

/* ============ 按钮 ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .15s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.rl-btn--primary{background:var(--grad-brand);color:#06110A}
.rl-btn--primary:hover{color:#06110A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 30px rgba(33,230,193,.24),0 0 28px rgba(168,255,53,.3)}
.rl-btn--primary:active{transform:translateY(1px)}
.rl-btn--ghost{background:transparent;border-color:var(--line-2);color:var(--text-1)}
.rl-btn--ghost:hover{border-color:rgba(168,255,53,.55);background:rgba(168,255,53,.08);color:var(--brand-lime);transform:translateY(-2px)}
.rl-btn--sm{height:42px;padding:0 18px;font-size:14.5px}

/* ============ 文章头部 ============ */
.article-hero{position:relative;padding:46px 0 0;overflow:hidden}
.article-hero::before{
  content:"";position:absolute;top:-220px;right:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(33,230,193,.13) 0%,rgba(124,92,255,.07) 45%,transparent 70%);
  pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 70% 20%,rgba(0,0,0,.9),transparent 65%);
  -webkit-mask-image:radial-gradient(circle at 70% 20%,rgba(0,0,0,.9),transparent 65%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--text-3)}
.breadcrumb-line a{color:var(--text-3)}
.breadcrumb-line a:hover{color:var(--brand-lime)}
.breadcrumb-line .sep{color:rgba(255,255,255,.2)}
.breadcrumb-line .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-title{
  margin-top:20px;
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;line-height:1.18;letter-spacing:-.01em;
  max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:20px;color:var(--text-3);font-size:14px}
.article-meta .chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  border:1px solid rgba(168,255,53,.35);
  background:rgba(168,255,53,.08);
  color:var(--brand-lime);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.article-meta .meta-item i{font-size:12.5px;color:var(--text-3)}

.article-cover{
  position:relative;margin-top:30px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  aspect-ratio:16/9;background:var(--surface);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:60%;
  background:linear-gradient(to top,rgba(7,10,18,.75),rgba(7,10,18,0));
  pointer-events:none;
}

/* ============ 正文布局 ============ */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  padding:56px 0 92px;border-top:1px solid var(--line);margin-top:54px;
}
.article-main{min-width:0;max-width:820px}
.article-body{font-size:17px;line-height:1.95;color:var(--text-2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:clamp(24px,2.5vw,32px);font-weight:700;line-height:1.32;
  color:var(--text-1);margin:1.75em 0 .7em;padding-left:16px;
  border-left:4px solid var(--brand-lime);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--text-1);margin:1.5em 0 .6em}
.article-body h4{font-size:17.5px;font-weight:600;color:var(--text-1);margin:1.3em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.3em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0;padding-left:.2em}
.article-body li::marker{color:var(--brand-mint)}
.article-body a{color:var(--brand-mint);border-bottom:1px solid rgba(33,230,193,.35)}
.article-body a:hover{color:var(--brand-lime);border-bottom-color:rgba(168,255,53,.6)}
.article-body strong{color:var(--text-1);font-weight:600}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;
  background:var(--surface);border-left:3px solid var(--brand-mint);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:auto;max-width:100%;height:auto;margin:1.5em auto;
  border-radius:16px;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13.5px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;display:block;overflow-x:auto;
  font-size:15.5px;border-radius:var(--r-sm);
}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--surface-2);color:var(--text-1);font-weight:600}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-body pre{
  margin:1.5em 0;padding:20px 22px;background:var(--bg-800);border:1px solid var(--line);
  border-radius:var(--r-md);overflow-x:auto;font-size:14.5px;line-height:1.75;
  font-variant-numeric:tabular-nums;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:.92em;color:var(--brand-mint);
}
.article-body pre code{background:none;padding:0;color:var(--text-2)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

/* 空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);padding:38px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:16px}

/* 正文内 CTA */
.article-cta{
  margin-top:52px;padding:26px 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(168,255,53,.09) 0%,rgba(33,230,193,.06) 45%,rgba(124,92,255,.1) 100%);
}
.article-cta h2{font-size:20px;font-weight:700;margin-bottom:6px}
.article-cta p{font-size:14.5px;color:var(--text-2)}

/* 文末导航 */
.post-nav{
  margin-top:26px;padding:22px 24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
}
.post-nav-label{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-lime);margin-bottom:6px}
.post-nav-text p{font-size:14.5px;color:var(--text-2)}
.post-nav-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 侧栏 */
.article-aside{position:sticky;top:96px;align-self:start;display:grid;gap:18px}
.aside-card{
  padding:22px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);box-shadow:var(--sh-1);
  transition:border-color .18s ease,transform .18s ease;
}
.aside-card:hover{border-color:rgba(168,255,53,.28)}
.aside-card h3{font-size:15.5px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--grad-brand);display:inline-block}
.aside-links li + li{margin-top:2px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;
}
.aside-links a:hover{background:rgba(168,255,53,.07);color:var(--brand-lime);border-color:rgba(168,255,53,.28)}
.aside-links a i{font-size:11.5px;color:var(--text-3)}
.aside-links a:hover i{color:var(--brand-lime)}
.aside-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);margin-bottom:10px;line-height:1.75}
.aside-points li:last-child{margin-bottom:0}
.aside-points li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-mint);box-shadow:0 0 8px rgba(33,230,193,.6);
}

/* 相关推荐 */
.related{padding:0 0 96px}
.related-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.related-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
.related-head a{font-size:14.5px;font-weight:600;color:var(--brand-lime);display:inline-flex;align-items:center;gap:7px}
.related-head a:hover{color:var(--brand-mint)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--sh-2),var(--glow)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-800)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,10,18,.6),transparent 62%)}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-tag{
  align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--brand-mint);background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.3);
}
.related-body h3{font-size:17px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body p{font-size:14px;color:var(--text-2);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px}
.related-foot i{color:var(--brand-lime)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#070A12;border-top:1px solid var(--line);
  padding:76px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--grad-brand);
  opacity:.85;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:34ch}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.social-row a:hover{border-color:rgba(168,255,53,.5);color:var(--brand-lime);background:rgba(168,255,53,.08);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text-1)}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14.5px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--brand-lime)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;margin-bottom:13px}
.footer-contact i{color:var(--brand-mint);margin-top:6px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding:22px 0 26px;
}
.footer-bottom p{font-size:13.5px;color:var(--text-3)}

@media (max-width:1199px){
  .article-shell{grid-template-columns:minmax(0,1fr) 272px;gap:34px}
}
@media (max-width:991px){
  .site-header .nav-links{
    position:fixed;left:0;right:0;top:70px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:18px 20px 40px;overflow-y:auto;
    background:rgba(7,10,18,.97);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform .22s ease,opacity .22s ease,visibility .22s ease;
  }
  .site-header .nav-links.is-open{transform:none;opacity:1;visibility:visible}
  .site-header .nav-link{
    height:50px;border-radius:0;padding:0 14px;font-size:16px;
    border-left:3px solid transparent;justify-content:flex-start;
  }
  .site-header .nav-link:hover{background:rgba(255,255,255,.04)}
  .site-header .nav-link.active{background:rgba(168,255,53,.07);border-left-color:var(--brand-lime)}
  .site-header .nav-link.active::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .article-shell{grid-template-columns:minmax(0,1fr);padding:44px 0 72px;margin-top:42px}
  .article-aside{position:static}
  .article-main{max-width:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  body{font-size:16px}
  .article-hero{padding-top:32px}
  .article-title{max-width:none}
  .article-shell{padding:36px 0 64px;margin-top:34px}
  .article-body{font-size:16px}
  .article-cta{flex-direction:column;align-items:flex-start;padding:22px}
  .post-nav{flex-direction:column;align-items:flex-start}
  .post-nav-actions{width:100%}
  .post-nav-actions .rl-btn{flex:1}
  .related{padding-bottom:72px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer{padding-top:60px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .nav-inner{height:64px;gap:14px}
  .site-header .nav-links{top:64px}
  .brand{font-size:15.5px}
  .brand-mark{width:24px;height:24px;border-radius:8px}
  .article-title{font-size:29px}
  .rl-btn{width:100%}
  .nav-toggle{width:44px;height:44px}
}

/* roulang page: category2 */
:root{
  --bg-900:#070A12;
  --bg-800:#0D1424;
  --surface:#121B2E;
  --surface-2:#18233A;
  --brand-lime:#A8FF35;
  --brand-mint:#21E6C1;
  --brand-violet:#7C5CFF;
  --promo:#FF5C28;
  --text-1:#EAF0FA;
  --text-2:#A9B6CC;
  --text-3:#6F7E96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --grad-brand:linear-gradient(120deg,#A8FF35 0%,#21E6C1 45%,#7C5CFF 100%);
  --glow-lime:0 0 0 1px rgba(168,255,53,.35),0 12px 32px rgba(168,255,53,.14);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-btn:14px;
  --sh-1:0 8px 24px rgba(0,0,0,.38);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --sec:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:16px}
a{color:var(--text-2);text-decoration:none;transition:color .12s ease,background-color .12s ease,border-color .12s ease}
a:hover{color:var(--brand-lime)}
button,input,select,textarea{font:inherit;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.005em}
p{margin:0}
:focus-visible{outline:3px solid rgba(168,255,53,.55);outline-offset:2px}

.container,.container-fluid{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部公告 ============ */
.topbar{
  background:linear-gradient(180deg,rgba(24,35,58,.9),rgba(7,10,18,.95));
  border-bottom:1px solid var(--line);
  position:relative;
}
.topbar::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(168,255,53,.8),rgba(124,92,255,.7),transparent);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:36px}
.topbar p{font-size:13.5px;color:var(--text-2)}
.topbar p i{color:var(--brand-lime);margin-right:8px}
.topbar-close{
  background:transparent;border:0;color:var(--text-3);font-size:14px;line-height:1;
  width:32px;height:32px;border-radius:10px;cursor:pointer;transition:color .12s,background-color .12s;
}
.topbar-close:hover{color:var(--brand-lime);background:rgba(168,255,53,.08)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(168,255,53,.65),rgba(124,92,255,.65),transparent);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-1);font-weight:800}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad-brand);
  position:relative;flex:none;box-shadow:0 0 18px rgba(168,255,53,.32);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 7px;border-radius:2px;background:var(--bg-900);transform:skewX(-18deg);
}
.brand-name{font-size:18px;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15.5px;color:var(--text-2);border-radius:12px;
}
.nav-link:hover{color:var(--brand-lime);background:rgba(168,255,53,.06)}
.nav-link.active{color:var(--brand-lime);text-shadow:0 0 14px rgba(168,255,53,.35)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-lime),var(--brand-mint));
  box-shadow:0 0 12px rgba(168,255,53,.55);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);color:var(--text-1);cursor:pointer;transition:border-color .12s,color .12s;
}
.nav-toggle:hover{border-color:rgba(168,255,53,.5);color:var(--brand-lime)}
@media (min-width:992px){
  .nav-links{display:flex}
}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-promo{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;border:0;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
}
.btn-main{background:var(--grad-brand);color:#06110?}
.btn-main{background:var(--grad-brand);color:#070A12;box-shadow:0 10px 26px rgba(33,230,193,.18)}
.btn-main:hover{color:#070A12;transform:translateY(-2px);box-shadow:0 16px 34px rgba(168,255,53,.28)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text-1)}
.btn-ghost:hover{border-color:rgba(168,255,53,.55);background:rgba(168,255,53,.08);color:var(--brand-lime)}
.btn-ghost:active{transform:translateY(1px)}
.btn-promo{background:var(--promo);color:#1A0800;box-shadow:0 10px 26px rgba(255,92,40,.22)}
.btn-promo:hover{color:#1A0800;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,92,40,.32)}
.btn-sm-main{height:44px;padding:0 20px;font-size:15px}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:32px;line-height:1.25;font-weight:700}
.sec-head .sec-sub{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:640px}
.sec-more{font-size:14.5px;color:var(--text-2);white-space:nowrap}
.sec-more i{margin-left:6px;font-size:12px}
.band{background:var(--bg-800)}

/* ============ 分类横幅 ============ */
.cat-hero{
  position:relative;overflow:hidden;padding:56px 0 68px;
  background:
    linear-gradient(180deg,rgba(7,10,18,.82),rgba(7,10,18,.96)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(168,255,53,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(168,255,53,.045) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad-brand);opacity:.85;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-lime)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .now{color:var(--text-2)}
.cat-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.15;font-weight:800}
.cat-hero .lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:660px;line-height:1.9}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.badge-pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
}
.badge-pill i{color:var(--brand-mint);font-size:13px}
.hero-side{
  background:rgba(18,27,46,.72);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.hero-side img{aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-side .side-title{margin-top:16px;font-size:16px;font-weight:700}
.hero-side .side-desc{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.8}
.side-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;color:var(--brand-lime)}
.side-link i{font-size:12px}

/* ============ 筛选 chip ============ */
.chip-row{
  display:flex;gap:12px;overflow-x:auto;padding:6px 0 10px;
  scrollbar-width:thin;
}
.chip-row::-webkit-scrollbar{height:6px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
.chip{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14.5px;white-space:nowrap;
}
.chip:hover{border-color:rgba(168,255,53,.5);color:var(--brand-lime);background:rgba(168,255,53,.07)}
.chip.on{background:var(--grad-brand);color:#070A12;font-weight:700;border-color:transparent}

/* ============ 数据卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.media-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  box-shadow:var(--sh-1);
}
.media-card:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--sh-2),0 0 0 1px rgba(168,255,53,.14)}
.media{position:relative;aspect-ratio:16/9;overflow:hidden}
.media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.media-card:hover .media img{transform:scale(1.04)}
.media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:60%;
  background:linear-gradient(180deg,transparent,rgba(7,10,18,.78));
}
.tag{
  position:absolute;top:16px;left:16px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(7,10,18,.72);border:1px solid rgba(168,255,53,.4);color:var(--brand-lime);
  backdrop-filter:blur(6px);
}
.media-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.media-body h3{font-size:20px;line-height:1.45;font-weight:700}
.media-body .desc{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.85}
.point-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.point-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:7px;
  border-left:2px solid var(--brand-lime);border-bottom:2px solid var(--brand-lime);
  transform:rotate(-45deg);
}
.card-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.card-foot .meta{font-size:13px;color:var(--text-3)}
.card-foot .go{font-size:14px;color:var(--brand-lime);display:inline-flex;align-items:center;gap:8px}
.card-foot .go i{font-size:12px;transition:transform .16s ease}
.media-card:hover .card-foot .go i{transform:translateX(4px)}

/* ============ 更新节奏表 ============ */
.table-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto}
table.rhythm{width:100%;min-width:680px;border-collapse:collapse}
table.rhythm th{
  text-align:left;font-size:13px;font-weight:600;color:var(--text-3);
  padding:18px 24px;border-bottom:1px solid var(--line);white-space:nowrap;
  background:rgba(255,255,255,.02);
}
table.rhythm td{
  padding:20px 24px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);
}
table.rhythm tbody tr{transition:background-color .14s ease}
table.rhythm tbody tr:hover{background:rgba(168,255,53,.04)}
table.rhythm tbody tr:last-child td{border-bottom:0}
table.rhythm td.strong{color:var(--text-1);font-weight:600;font-size:15.5px}
.state{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;
}
.state.live{background:rgba(168,255,53,.12);color:var(--brand-lime);border:1px solid rgba(168,255,53,.35)}
.state.round{background:rgba(33,230,193,.1);color:var(--brand-mint);border:1px solid rgba(33,230,193,.32)}
.state.daily{background:rgba(124,92,255,.14);color:#B9A6FF;border:1px solid rgba(124,92,255,.36)}
.state.done{background:rgba(255,255,255,.05);color:var(--text-2);border:1px solid var(--line-strong)}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 26px 28px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.32);box-shadow:var(--sh-2)}
.step-num{
  font-size:38px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin-top:16px;font-size:19px}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ============ FAQ ============ */
.faq .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  background:transparent;color:var(--text-1);font-size:16.5px;font-weight:600;
  padding:20px 24px;box-shadow:none;border-left:3px solid transparent;
  transition:color .14s ease,border-color .14s ease,background-color .14s ease;
}
.faq .accordion-button:not(.collapsed){
  color:var(--brand-lime);border-left-color:var(--brand-lime);background:rgba(168,255,53,.045);
}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button::after{
  content:"";width:11px;height:11px;margin-left:auto;flex:none;
  border-right:2px solid var(--brand-lime);border-bottom:2px solid var(--brand-lime);
  background-image:none;transform:rotate(45deg);transition:transform .22s ease;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq .accordion-body{
  padding:4px 24px 24px;color:var(--text-2);font-size:15.5px;line-height:1.9;
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;border-radius:var(--r-lg);padding:52px 48px;
  background:linear-gradient(120deg,rgba(168,255,53,.14),rgba(33,230,193,.1) 45%,rgba(124,92,255,.18));
  border:1px solid rgba(168,255,53,.28);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);opacity:.9;
}
.cta-band h2{font-size:28px;line-height:1.3}
.cta-band p{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--bg-900);padding:72px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.8;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--text-2);line-height:1.9;max-width:340px}
.social-row{display:flex;gap:12px;margin-top:20px}
.social-row a{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);color:var(--text-2);
}
.social-row a:hover{border-color:rgba(168,255,53,.5);color:var(--brand-lime);background:rgba(168,255,53,.08)}
.footer-col h4{font-size:16px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-lime)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.footer-contact i{margin-top:.5em;color:var(--brand-mint);font-size:13px}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--text-3)}

/* ============ 移动端菜单 ============ */
.offcanvas.mobile-nav{
  background:var(--bg-800);color:var(--text-1);width:min(88vw,380px);border-left:1px solid var(--line);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav .brand-name{font-size:16.5px}
.mobile-nav .offcanvas-body{padding:18px 0 24px;display:flex;flex-direction:column}
.mobile-nav .nav-link{
  height:48px;border-radius:0;padding:0 22px;border-left:3px solid transparent;font-size:16px;
}
.mobile-nav .nav-link:hover{background:rgba(168,255,53,.06);border-left-color:rgba(168,255,53,.4)}
.mobile-nav .nav-link.active{
  background:rgba(168,255,53,.07);border-left-color:var(--brand-lime);text-shadow:none;
}
.mobile-nav .nav-link.active::after{display:none}
.mobile-cta{padding:22px 22px 0;margin-top:auto}
.mobile-cta .btn-main{width:100%}
.btn-close-x{
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  width:42px;height:42px;border-radius:12px;cursor:pointer;
}
.btn-close-x:hover{border-color:rgba(168,255,53,.5);color:var(--brand-lime)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:88px}
  .sec-head h2{font-size:29px}
}
@media (max-width:991px){
  :root{--sec:76px}
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:38px 28px}
  .cta-band h2{font-size:24px}
  .cat-hero{padding:44px 0 54px}
}
@media (max-width:767px){
  :root{--sec:60px}
  .brand-name{font-size:16px}
  .cat-hero h1{font-size:30px}
  .cat-hero .lead{font-size:15.5px}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .sec-head h2{font-size:24px}
  .media-body{padding:20px 20px 22px}
  .cta-band{padding:30px 22px;border-radius:var(--r-md)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-brand p{max-width:none}
}
@media (max-width:575px){
  .badge-pill{font-size:13px;padding:8px 13px}
  .btn-main,.btn-ghost,.btn-promo{width:100%}
  .cta-actions{width:100%}
  .card-foot{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category3 */
:root{
  --bg-900:#070A12;
  --bg-800:#0D1424;
  --surface:#121B2E;
  --surface-2:#18233A;
  --brand-lime:#A8FF35;
  --brand-mint:#21E6C1;
  --brand-violet:#7C5CFF;
  --promo:#FF5C28;
  --text-1:#EAF0FA;
  --text-2:#A9B6CC;
  --text-3:#6F7E96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --grad:linear-gradient(120deg,#A8FF35 0%,#21E6C1 45%,#7C5CFF 100%);
  --grad-soft:linear-gradient(120deg,rgba(168,255,53,.16) 0%,rgba(33,230,193,.12) 45%,rgba(124,92,255,.16) 100%);
  --glow-lime:0 0 0 1px rgba(168,255,53,.32),0 10px 30px rgba(168,255,53,.14);
  --shadow-1:0 8px 24px rgba(0,0,0,.38);
  --shadow-2:0 14px 36px rgba(0,0,0,.5);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-btn:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--text-2);text-decoration:none;transition:color .12s ease,border-color .12s ease,background-color .12s ease,box-shadow .16s ease}
a:hover{color:var(--brand-lime)}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(168,255,53,.55);outline-offset:2px;border-radius:8px}
::selection{background:rgba(168,255,53,.28);color:#08110A}

.container{
  width:100%;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部公告条 ============ */
.topbar{
  position:relative;
  background:linear-gradient(90deg,rgba(168,255,53,.09),rgba(33,230,193,.05) 45%,rgba(124,92,255,.1));
  color:var(--text-2);
  font-size:13.5px;
}
.topbar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:var(--grad);opacity:.9;
}
.topbar-inner{display:flex;align-items:center;gap:12px;height:36px}
.topbar-inner i{color:var(--brand-lime)}
.topbar-text{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-link{margin-left:auto;color:var(--text-1);font-weight:600;white-space:nowrap}
.topbar-link:hover{color:var(--brand-lime)}
.topbar-close{
  flex:none;width:28px;height:28px;border:1px solid var(--line);border-radius:9px;
  background:transparent;color:var(--text-3);cursor:pointer;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;transition:.16s;
}
.topbar-close:hover{color:var(--brand-lime);border-color:rgba(168,255,53,.4)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.82);
  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,transparent,rgba(168,255,53,.55),rgba(124,92,255,.55),transparent);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:800;font-size:17px;white-space:nowrap}
.brand:hover{color:var(--text-1)}
.brand-mark{
  position:relative;flex:none;width:26px;height:26px;border-radius:9px;
  background:var(--grad);box-shadow:0 0 18px rgba(168,255,53,.32);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;background:var(--bg-900);
}
.brand-name{letter-spacing:.01em}

.nav-links{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--brand-lime);text-shadow:0 0 12px rgba(168,255,53,.35)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);box-shadow:0 0 10px rgba(168,255,53,.5);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text-1);font-size:17px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(168,255,53,.45);color:var(--brand-lime)}

/* ============ 按钮 ============ */
.btn-neon,.btn-ghost,.btn-promo{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);border:0;
  font-size:15.5px;font-weight:800;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,border-color .16s ease,background-color .16s ease;
}
.btn-neon{background:var(--grad);color:#08110A;box-shadow:0 8px 22px rgba(33,230,193,.18)}
.btn-neon:hover{color:#08110A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 32px rgba(168,255,53,.3)}
.btn-neon:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text-1)}
.btn-ghost:hover{border-color:rgba(168,255,53,.55);background:rgba(168,255,53,.08);color:var(--brand-lime);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-promo{background:linear-gradient(120deg,#FF5C28,#FF8A3D);color:#150703;box-shadow:0 10px 26px rgba(255,92,40,.24)}
.btn-promo:hover{color:#150703;transform:translateY(-2px);filter:brightness(1.05)}
.btn-promo:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px;border-radius:12px}

/* ============ 移动端抽屉 ============ */
.site-drawer{background:var(--bg-800) !important;border-left:1px solid var(--line);width:320px !important;color:var(--text-1)}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.site-drawer .offcanvas-body{padding:18px 20px 28px}
.site-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.7);opacity:.7}
.site-drawer .btn-close:hover{opacity:1}
.drawer-links{display:flex;flex-direction:column}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  border-left:3px solid transparent;font-size:15.5px;font-weight:600;color:var(--text-2);
}
.drawer-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.drawer-link.active{color:var(--brand-lime);border-left-color:var(--brand-lime);background:rgba(168,255,53,.07)}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;padding:56px 0 64px;
  background:
    radial-gradient(1000px 460px at 88% -12%,rgba(124,92,255,.16),transparent 62%),
    radial-gradient(760px 380px at 2% 6%,rgba(33,230,193,.12),transparent 60%),
    var(--bg-900);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}

.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand-lime)}
.crumbs span.sep{color:rgba(255,255,255,.22)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;border:1px solid rgba(168,255,53,.32);
  background:rgba(168,255,53,.06);color:var(--brand-lime);
  font-size:13px;font-weight:700;letter-spacing:.05em;
}
.eyebrow i{font-size:11px}

.page-hero h1{
  margin:20px 0 18px;font-size:50px;font-weight:800;line-height:1.15;letter-spacing:.005em;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;margin:0 0 30px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}

.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.stat-value{font-size:21px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:var(--brand-lime)}
.stat-label{font-size:12.5px;color:var(--text-3);line-height:1.4}

.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,0) 40%,rgba(7,10,18,.75) 100%);
}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--r-md);
  background:rgba(13,20,36,.86);border:1px solid rgba(168,255,53,.28);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.hero-float .hf-text{font-size:14.5px;color:var(--text-1);font-weight:600;line-height:1.5}
.hero-float .hf-tag{
  flex:none;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--grad);color:#08110A;
}
.hero-float .hf-arrow{margin-left:auto;color:var(--brand-lime)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-800)}
.section-head{max-width:760px;margin-bottom:46px}
.section-head h2{margin:14px 0 14px;font-size:32px;font-weight:700;line-height:1.28}
.section-head p{margin:0;color:var(--text-2);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 时间线 ============ */
.timeline{list-style:none;position:relative;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:12px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(168,255,53,.65),rgba(33,230,193,.4) 45%,rgba(124,92,255,.28) 78%,transparent);
}
.tl-node{position:relative;padding-bottom:26px}
.tl-node:last-child{padding-bottom:0}
.tl-node::before{
  content:"";position:absolute;left:-30px;top:16px;width:26px;height:26px;border-radius:50%;
  background:var(--bg-900);border:2px solid rgba(168,255,53,.5);
  box-shadow:0 0 0 5px rgba(168,255,53,.06);
}
.tl-node .tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-node .tl-body:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--shadow-2)}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tl-index{
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;
  color:var(--brand-lime);
}
.tl-body h3{margin:0;font-size:20px;font-weight:600;line-height:1.4}
.tl-body p{margin:0 0 10px;color:var(--text-2);font-size:15.5px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);
  font-size:12.5px;color:var(--text-3);font-weight:600;
}
.chip.is-lime{border-color:rgba(168,255,53,.35);color:var(--brand-lime);background:rgba(168,255,53,.06)}
.tl-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:6px}
.tl-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-2)}
.tl-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-mint);flex:none;
}

/* ============ 长条内容列表 ============ */
.row-stack{display:flex;flex-direction:column;gap:22px}
.row-card{
  display:grid;grid-template-columns:300px 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.row-card:hover{transform:translateY(-4px);border-color:rgba(168,255,53,.35);box-shadow:var(--shadow-2)}
.row-media{position:relative;overflow:hidden}
.row-media img{width:100%;height:100%;min-height:200px;object-fit:cover}
.row-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,0) 45%,rgba(7,10,18,.6) 100%)}
.row-body{padding:26px 28px;display:flex;flex-direction:column}
.row-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--brand-mint);
  background:rgba(33,230,193,.08);border:1px solid rgba(33,230,193,.28);
}
.meta-time{font-size:12.5px;color:var(--text-3)}
.row-body h3{margin:0 0 10px;font-size:21px;font-weight:600;line-height:1.4}
.row-body p{margin:0 0 14px;color:var(--text-2);font-size:15.5px}
.mini-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:16px}
.mini-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.mini-points li i{color:var(--brand-lime);font-size:11px}
.link-arrow{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:14.5px;color:var(--brand-lime);
}
.link-arrow i{transition:transform .16s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 规则对照 ============ */
.rule-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.rule-grid{display:grid;grid-template-columns:1fr 1fr}
.rule-col{padding:32px 34px;position:relative}
.rule-col + .rule-col::before{
  content:"";position:absolute;left:0;top:28px;bottom:28px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(168,255,53,.5),rgba(124,92,255,.45),transparent);
}
.rule-col h3{display:flex;align-items:center;gap:10px;margin:0 0 8px;font-size:20px;font-weight:600}
.rule-col h3 i{font-size:16px}
.rule-col.is-ok h3 i{color:var(--brand-lime)}
.rule-col.is-no h3 i{color:var(--text-3)}
.rule-col > p{margin:0 0 14px;color:var(--text-3);font-size:14px}
.rule-item{
  display:flex;align-items:flex-start;gap:12px;padding:13px 0;
  border-bottom:1px dashed rgba(255,255,255,.07);
  font-size:15.5px;color:var(--text-2);line-height:1.75;
}
.rule-item:last-child{border-bottom:0;padding-bottom:0}
.rule-item i{margin-top:6px;flex:none;font-size:12px}
.rule-col.is-ok .rule-item i{color:var(--brand-lime)}
.rule-col.is-no .rule-item i{color:#5A6880}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md) !important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(168,255,53,.34)}
.accordion-button{
  background:transparent;color:var(--text-1);font-weight:700;font-size:16.5px;
  padding:20px 24px;box-shadow:none;border-left:3px solid transparent;border-radius:0 !important;
}
.accordion-button:not(.collapsed){background:rgba(168,255,53,.06);color:var(--brand-lime);border-left-color:var(--brand-lime)}
.accordion-button:hover{color:var(--brand-lime)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  background-image:none;content:"";width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .22s ease,border-color .22s ease;
}
.accordion-button:not(.collapsed)::after{border-color:var(--brand-lime);transform:rotate(-135deg)}
.accordion-body{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  background:
    linear-gradient(120deg,rgba(255,92,40,.16),rgba(124,92,255,.16)),
    var(--bg-800);
  border-top:1px solid rgba(255,92,40,.32);
  border-bottom:1px solid rgba(124,92,255,.32);
  padding:52px 0;
}
.cta-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.cta-copy{flex:1;min-width:260px}
.cta-copy h2{margin:0 0 10px;font-size:28px;font-weight:700;line-height:1.32}
.cta-copy p{margin:0;color:var(--text-2);font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--bg-900);padding:72px 0 0;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .brand{margin-bottom:4px}
.footer-brand p{color:var(--text-3);font-size:14.5px;line-height:1.9;margin:16px 0 18px;max-width:350px}
.social-row{display:flex;gap:10px}
.social-row a{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
}
.social-row a:hover{border-color:rgba(168,255,53,.45);color:var(--brand-lime);background:rgba(168,255,53,.07)}
.footer-col h4{font-size:15px;font-weight:700;margin:0 0 16px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;color:var(--text-3);font-size:14px;line-height:1.7}
.footer-contact i{color:var(--brand-mint);margin-top:5px;flex:none}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:44px}
  .nav-link{padding:0 11px;font-size:14.5px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-neon.d-none-mobile{display:none}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .page-hero{padding:44px 0 52px}
  .page-hero h1{font-size:36px}
  .hero-sub{font-size:16px}
  .section-head h2{font-size:27px}
  .row-card{grid-template-columns:1fr}
  .row-body{padding:22px 22px 24px}
  .row-media img{min-height:210px;aspect-ratio:16/9}
  .rule-grid{grid-template-columns:1fr}
  .rule-col + .rule-col::before{
    left:28px;right:28px;top:0;bottom:auto;width:auto;height:1px;
    background:linear-gradient(90deg,transparent,rgba(168,255,53,.5),rgba(124,92,255,.45),transparent);
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-copy h2{font-size:24px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:60px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .page-hero h1{font-size:31px}
  .timeline{padding-left:26px}
  .tl-node::before{left:-26px;width:22px;height:22px}
  .tl-node .tl-body{padding:20px 20px}
  .tl-body h3{font-size:18.5px}
  .cta-inner{gap:18px}
  .cta-actions{width:100%}
  .cta-actions .btn-neon,.cta-actions .btn-ghost{flex:1;min-width:150px}
  .hero-actions .btn-neon,.hero-actions .btn-ghost{flex:1;min-width:150px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .stat-badge{width:100%;flex-direction:row;align-items:center;gap:10px;border-radius:14px}
  .stat-value{font-size:18px}
  .footer-grid{grid-template-columns:1fr}
  .row-body h3{font-size:19px}
  .cta-actions .btn-neon,.cta-actions .btn-ghost{width:100%;flex:none}
}

/* roulang page: category4 */
:root{
  --bg-900:#070A12;
  --bg-800:#0D1424;
  --surface:#121B2E;
  --surface-2:#18233A;
  --brand-lime:#A8FF35;
  --brand-mint:#21E6C1;
  --brand-violet:#7C5CFF;
  --promo:#FF5C28;
  --text-1:#EAF0FA;
  --text-2:#A9B6CC;
  --text-3:#6F7E96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --grad-brand:linear-gradient(120deg,#A8FF35 0%,#21E6C1 45%,#7C5CFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-btn:14px;
  --sh-1:0 8px 24px rgba(0,0,0,.38);
  --sh-2:0 14px 36px rgba(0,0,0,.5);
  --glow-lime:0 0 0 1px rgba(168,255,53,.35),0 0 26px rgba(168,255,53,.16);
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
a:hover{color:var(--brand-lime);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
::selection{background:rgba(168,255,53,.28);color:#fff;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ------- 顶部导航 ------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(7,10,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(168,255,53,.75),rgba(124,92,255,.7),transparent);
  pointer-events:none;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:70px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-weight:800;
  font-size:17px;
  text-decoration:none;
  flex-shrink:0;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:9px;
  background:var(--grad-brand);
  box-shadow:0 0 18px rgba(168,255,53,.35);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:4px;
  background:var(--bg-900);
  opacity:.88;
}
.brand-name{white-space:nowrap;}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text-2);
  font-size:15px;
  text-decoration:none;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.active{
  color:var(--brand-lime);
  text-shadow:0 0 14px rgba(168,255,53,.35);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}

/* ------- 按钮 ------- */
.btn-ng{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary-ng{
  background:var(--grad-brand);
  color:#06090F;
  box-shadow:0 8px 22px rgba(33,230,193,.2);
}
.btn-primary-ng:hover{
  color:#06090F;
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(168,255,53,.32),0 0 26px rgba(33,230,193,.22);
}
.btn-primary-ng:active{transform:translateY(1px);}
.btn-ghost-ng{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text-1);
}
.btn-ghost-ng:hover{
  color:var(--brand-lime);
  border-color:rgba(168,255,53,.6);
  background:rgba(168,255,53,.08);
  transform:translateY(-2px);
}
.btn-ghost-ng:active{transform:translateY(1px);}
.btn-promo-ng{
  background:var(--promo);
  color:#1A0A02;
  border-color:transparent;
}
.btn-promo-ng:hover{
  color:#1A0A02;
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(255,92,40,.32);
}
.btn-sm-ng{
  height:42px;
  padding:0 18px;
  font-size:14.5px;
  border-radius:12px;
}
.btn-ng:focus-visible,
.nav-link:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:3px solid rgba(168,255,53,.55);
  outline-offset:2px;
}

/* ------- 移动端导航 ------- */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text-1);
  transition:transform .2s ease,opacity .2s ease,background .2s ease;
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--brand-lime);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--brand-lime);}

.mobile-panel{display:none;}

/* ------- 首屏横幅 ------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:92px 0 84px;
  background:linear-gradient(180deg,#070A12 0%,#0D1424 100%);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.34;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(124,92,255,.3),transparent 62%),
    radial-gradient(90% 70% at 92% 10%,rgba(33,230,193,.16),transparent 60%),
    linear-gradient(180deg,rgba(7,10,18,.6) 0%,rgba(7,10,18,.9) 66%,#070A12 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{max-width:900px;}

.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:24px;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand-lime);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .now{color:var(--text-2);}

.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(168,255,53,.35);
  background:rgba(168,255,53,.08);
  color:var(--brand-lime);
  font-size:13px;
  letter-spacing:.02em;
}
.chip i{font-size:11px;}

h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.005em;
  margin:20px 0 0;
}
.h1-sub{
  display:block;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lede{
  margin:20px 0 0;
  max-width:700px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.9;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:38px;
}
.stat{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}
.stat b{
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--brand-lime);
  letter-spacing:-.01em;
}
.stat span{font-size:12.5px;color:var(--text-3);}
.hero-band{
  margin-top:56px;
  height:1px;
  background:var(--grad-brand);
  opacity:.55;
}

/* ------- 通用板块 ------- */
.section{
  position:relative;
  padding:96px 0;
}
.section-alt{background:var(--bg-800);}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(24px,3vw,33px);
  font-weight:700;
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--brand-mint);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}

/* ------- 双列对照 ------- */
.compare-grid{
  display:grid;
  grid-template-columns:1fr 1px 1fr;
  gap:36px;
  align-items:stretch;
}
.compare-line{
  background:linear-gradient(180deg,transparent,rgba(168,255,53,.65),rgba(124,92,255,.65),transparent);
  border-radius:2px;
}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 32px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  height:100%;
}
.panel:hover{
  transform:translateY(-4px);
  border-color:rgba(168,255,53,.35);
  box-shadow:var(--sh-2),0 0 26px rgba(168,255,53,.12);
}
.panel-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  border:1px solid var(--line-strong);
  color:var(--text-3);
  margin-bottom:16px;
}
.panel-tag.lime{border-color:rgba(168,255,53,.4);color:var(--brand-lime);background:rgba(168,255,53,.07);}
.panel-tag.violet{border-color:rgba(124,92,255,.45);color:#B9A9FF;background:rgba(124,92,255,.1);}
.panel h3{font-size:21px;font-weight:600;margin-bottom:8px;}
.panel .panel-desc{color:var(--text-3);font-size:14.5px;margin:0;}
.check-list{
  list-style:none;
  display:grid;
  gap:14px;
  margin-top:24px;
}
.check-list li{
  display:flex;
  gap:12px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.8;
}
.check-list li i{
  color:var(--brand-lime);
  font-size:12px;
  margin-top:8px;
  flex-shrink:0;
}
.panel-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:26px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand-lime);
}
.panel-link i{transition:transform .2s ease;}
.panel-link:hover i{transform:translateX(4px);}

/* ------- 上手清单 ------- */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(168,255,53,.35);
  box-shadow:var(--sh-2),0 0 22px rgba(168,255,53,.1);
}
.step-num{
  font-size:30px;
  font-weight:800;
  line-height:1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.step-card h3{
  font-size:18px;
  font-weight:600;
  margin:16px 0 8px;
}
.step-card p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
  margin:0;
}

/* ------- 栏目速查 ------- */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.channel-card{
  display:flex;
  gap:20px;
  padding:20px;
  border-radius:var(--r-md);
  background:var(--surface);
  border:1px solid var(--line);
  color:inherit;
  text-decoration:none;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-card:hover{
  color:inherit;
  transform:translateY(-4px);
  border-color:rgba(168,255,53,.35);
  box-shadow:var(--sh-2),0 0 22px rgba(168,255,53,.1);
}
.channel-thumb{
  position:relative;
  flex:0 0 148px;
  height:112px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--surface-2);
}
.channel-thumb img{
  width:100%;height:100%;
  object-fit:cover;
}
.channel-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(7,10,18,.78));
}
.channel-body h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:8px;
}
.channel-body p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
  margin:0;
}
.channel-body .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  font-size:13.5px;
  color:var(--brand-mint);
}

/* ------- 变化提示 ------- */
.tips-list{display:grid;gap:16px;}
.tip{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:20px 24px;
  border-radius:var(--r-sm);
  background:var(--surface-2);
  border:1px solid var(--line);
  border-left:3px solid var(--promo);
  transition:border-color .2s ease,transform .2s ease;
}
.tip:hover{transform:translateX(4px);border-left-color:var(--brand-lime);}
.tip i{
  color:var(--promo);
  font-size:15px;
  margin-top:8px;
  flex-shrink:0;
}
.tip h3{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.tip p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin:0;}

/* ------- 常见问题 ------- */
.faq-wrap{max-width:880px;}
.faq-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--brand-lime),var(--brand-violet));
  opacity:.55;
}
.faq-item[open]{border-color:rgba(168,255,53,.4);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 26px 22px 30px;
  font-size:17px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand-lime);
  transition:transform .25s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-body{
  padding:0 26px 24px 30px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
}
.faq-body p{margin:0;}

/* ------- CTA 条带 ------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(255,92,40,.18),rgba(124,92,255,.26));
  border:1px solid rgba(168,255,53,.28);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(7,10,18,.35),transparent 60%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);margin:0;max-width:600px;font-size:15.5px;}

/* ------- 咨询表单 ------- */
.contact-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:40px;
  align-items:start;
}
.contact-intro h2{
  font-size:clamp(24px,2.8vw,32px);
  margin-bottom:16px;
}
.contact-intro p{color:var(--text-2);font-size:15.5px;}
.point-list{
  list-style:none;
  display:grid;
  gap:14px;
  margin-top:26px;
}
.point-list li{
  display:flex;
  gap:12px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}
.point-list li i{color:var(--brand-mint);font-size:12px;margin-top:8px;flex-shrink:0;}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-1);
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  background:#0E1523;
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  color:var(--text-1);
  font-size:15px;
  font-family:inherit;
  padding:13px 15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input{height:48px;}
.field textarea{min-height:122px;resize:vertical;line-height:1.8;}
.field input::placeholder,
.field textarea::placeholder{color:#5A687F;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:rgba(168,255,53,.7);
  box-shadow:0 0 0 3px rgba(168,255,53,.16);
}
.checkbox-row{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
  margin:6px 0 22px;
}
.checkbox-row input{
  width:18px;height:18px;
  margin-top:4px;
  accent-color:#A8FF35;
  flex-shrink:0;
}
.form-ok{
  display:none;
  align-items:center;
  gap:10px;
  margin-bottom:20px;
  padding:14px 18px;
  border-radius:12px;
  border:1px solid rgba(168,255,53,.4);
  background:rgba(168,255,53,.08);
  color:var(--brand-lime);
  font-size:14.5px;
}

/* ------- 页脚 ------- */
.site-footer{
  position:relative;
  background:var(--bg-900);
  border-top:1px solid rgba(255,255,255,.06);
  padding:72px 0 0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:var(--grad-brand);
  opacity:.7;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  color:var(--text-3);
  font-size:14.5px;
  line-height:1.9;
  max-width:340px;
}
.social-row{
  display:flex;
  gap:10px;
  margin-top:22px;
}
.social-row a{
  width:40px;height:40px;
  display:grid;
  place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:15px;
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.social-row a:hover{
  color:var(--brand-lime);
  border-color:rgba(168,255,53,.5);
  background:rgba(168,255,53,.07);
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:var(--text-1);
}
.footer-col ul{
  list-style:none;
  display:grid;
  gap:12px;
}
.footer-col ul a{
  color:var(--text-3);
  font-size:14.5px;
}
.footer-col ul a:hover{color:var(--brand-lime);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--text-3);
  font-size:14px;
  line-height:1.8;
}
.footer-contact i{color:var(--brand-mint);margin-top:7px;flex-shrink:0;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{
  margin:0;
  color:var(--text-3);
  font-size:13.5px;
}

/* ------- 响应式 ------- */
@media (max-width:1199px){
  .nav-link{padding:0 11px;font-size:14.5px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-ng{display:none;}
  .mobile-panel{
    position:absolute;
    top:100%;left:0;right:0;
    background:rgba(7,10,18,.97);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    padding:16px 20px 24px;
  }
  .mobile-panel.open{display:block;}
  .mobile-nav{display:grid;gap:4px;}
  .mobile-nav a{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 14px;
    border-radius:12px;
    border-left:3px solid transparent;
    color:var(--text-2);
    font-size:15.5px;
  }
  .mobile-nav a.active{
    color:var(--brand-lime);
    border-left-color:var(--brand-lime);
    background:rgba(168,255,53,.06);
  }
  .mobile-cta{
    width:100%;
    margin-top:16px;
  }
  .section{padding:72px 0;}
  .page-hero{padding:72px 0 68px;}
  .compare-grid{grid-template-columns:1fr;gap:24px;}
  .compare-line{
    height:1px;
    width:100%;
    background:linear-gradient(90deg,transparent,rgba(168,255,53,.65),rgba(124,92,255,.65),transparent);
  }
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:36px 28px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .page-hero{padding:56px 0 56px;}
  .section-head{margin-bottom:34px;}
  .step-grid{grid-template-columns:1fr;gap:16px;}
  .channel-grid{grid-template-columns:1fr;}
  .channel-thumb{flex:0 0 116px;height:96px;}
  .hero-stats{gap:10px;}
  .stat{padding:9px 14px;}
  .stat b{font-size:18px;}
  .faq-item summary{font-size:16px;padding:18px 20px 18px 24px;}
  .faq-body{padding:0 20px 20px 24px;font-size:15px;}
  .form-card{padding:24px 20px;}
  .cta-band{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:575px){
  .brand-name{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-ng{width:100%;}
  .panel{padding:26px 22px;}
  .tip{padding:18px 18px;}
  .channel-card{flex-direction:column;}
  .channel-thumb{flex:none;width:100%;height:150px;}
}