/* roulang page: index */
:root{
  --ink-900:#0E0D12;
  --ink-800:#16141D;
  --surface:#1D1A26;
  --line:#2C2838;
  --lime:#B8FF3C;
  --lime-deep:#8FDB13;
  --violet:#7B5CFF;
  --amber:#FFB020;
  --text:#F2F0F7;
  --muted:#9C97AD;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-hover:0 10px 28px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:64px 0;border-bottom:1px solid var(--line)}
@media (max-width:767px){.section{padding:44px 0}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,13,18,.96);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:24px;height:24px;border-radius:7px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(184,255,60,.12);
  position:relative;flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:var(--ink-900);
}
.logo-text{display:flex;align-items:baseline;gap:5px;line-height:1;white-space:nowrap}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:12.5px;color:var(--muted);font-weight:400}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{
  position:relative;font-size:14px;color:var(--muted);
  padding:6px 0;transition:color .18s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:transparent;border-radius:2px;transition:background .18s ease-out;
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{background:var(--lime)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cmd-search i{font-size:12px;color:var(--muted)}
.cmd-search:focus-within{border-color:rgba(184,255,60,.55);box-shadow:0 0 0 3px rgba(184,255,60,.12)}
.cmd-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:0;
  color:var(--text);font-size:13px;
}
.cmd-search input::placeholder{color:var(--muted)}
.cmd-search kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line);
  border-radius:5px;padding:0 5px;line-height:17px;font-family:inherit;
}
.nav-sub{font-size:14px;color:var(--muted);white-space:nowrap;transition:color .18s ease-out}
.nav-sub:hover{color:var(--lime)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:38px;border-radius:10px;
  background:var(--ink-800);border:1px solid var(--line);color:var(--text);
  cursor:pointer;transition:border-color .18s ease-out,color .18s ease-out;
}
.nav-toggle:hover{border-color:rgba(184,255,60,.4);color:var(--lime)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--ink-800);padding:18px 0 22px}
.mobile-panel.is-open{display:block}
.mobile-panel .m-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;
  background:var(--ink-900);border:1px solid var(--line);border-radius:10px;margin-bottom:14px;
}
.mobile-panel .m-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--text);font-size:14px}
.mobile-panel .m-search input::placeholder{color:var(--muted)}
.mobile-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}
.mobile-nav a{
  display:block;padding:11px 14px;border-radius:10px;font-size:14px;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:var(--lime);border-color:rgba(184,255,60,.4)}
@media (max-width:1279px){.cmd-search kbd{display:none}}
@media (max-width:1023px){
  .nav-links,.cmd-search,.nav-sub{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right{margin-left:auto}
}
@media (max-width:520px){
  .logo-text span{display:none}
  .site-header .btn-sm{padding:8px 12px;font-size:13px}
}

/* ---------- 按钮与链接 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-weight:700;font-size:15px;padding:13px 24px;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--lime);color:var(--ink-900)}
.btn-primary:hover{background:#c7ff5f;box-shadow:0 6px 20px rgba(184,255,60,.28);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98);background:var(--lime-deep)}
.btn-primary:focus-visible{outline:3px solid rgba(184,255,60,.45);outline-offset:2px}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(184,255,60,.42);color:var(--lime)}
.btn-ghost:focus-visible{outline:3px solid rgba(184,255,60,.35);outline-offset:2px}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);
  transition:color .18s ease-out;
}
.link-more i{font-size:11px;transition:transform .18s ease-out}
.link-more:hover{color:var(--lime)}
.link-more:hover i{transform:translateX(3px)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--lime);
  background:rgba(184,255,60,.1);border:1px solid rgba(184,255,60,.32);
  border-radius:999px;padding:5px 14px;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}

/* ---------- 区块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-title .bar{width:4px;height:22px;border-radius:2px;background:var(--lime);flex-shrink:0}
.section-desc{font-size:13px;color:var(--muted);margin-top:8px;max-width:640px}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 64px;border-bottom:1px solid var(--line);background:var(--ink-900)}
.hero::before{
  content:"";position:absolute;top:-240px;right:-160px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.16),transparent 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.055;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:44px 44px;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.01em;margin:18px 0 0;
}
.hero-copy h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:16px;color:var(--muted);line-height:1.85;margin-top:18px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats .stat-num{font-size:26px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats .stat-num span{font-size:14px;font-weight:600;color:var(--muted);margin-left:2px}
.hero-stats .stat-label{font-size:13px;color:var(--muted);margin-top:2px}
.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .media-badge{
  position:absolute;top:16px;left:16px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--text);
  background:rgba(14,13,18,.72);border:1px solid rgba(184,255,60,.35);
  border-radius:999px;padding:5px 12px;
}
.hero-media .media-badge i{color:var(--lime);font-size:11px}
.countdown-card{
  position:absolute;right:14px;bottom:14px;
  background:rgba(14,13,18,.9);border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;min-width:200px;
}
.countdown-card .cd-label{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}
.cd-time{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums}
.cd-time b{font-size:21px;font-weight:800;color:var(--amber);line-height:1}
.cd-time i{font-style:normal;font-size:11px;color:var(--muted);margin-right:4px}
@media (max-width:1023px){
  .hero{padding:52px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
}
@media (max-width:767px){
  .hero-stats{gap:26px;margin-top:28px;padding-top:20px}
  .hero-stats .stat-num{font-size:22px}
  .countdown-card{position:static;margin-top:14px;width:100%;min-width:0}
  .hero-actions .btn{width:100%}
}

/* ---------- 优惠阶梯 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end}
.tier{
  display:flex;flex-direction:column;gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(184,255,60,.3)}
.tier:nth-child(1){min-height:308px}
.tier:nth-child(2){min-height:348px}
.tier:nth-child(3){min-height:388px}
.tier:nth-child(4){min-height:428px;border-color:rgba(184,255,60,.42);background:linear-gradient(180deg,rgba(184,255,60,.07),var(--surface) 42%)}
.tier-num{font-size:34px;font-weight:800;line-height:1;color:rgba(242,240,247,.16);font-variant-numeric:tabular-nums}
.tier:nth-child(4) .tier-num{color:rgba(184,255,60,.45)}
.tier-name{font-size:19px;font-weight:700}
.tier-for{font-size:13px;color:var(--muted);line-height:1.7}
.tier-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.tier-list li{position:relative;padding-left:18px;font-size:14px;color:#D6D2E2;line-height:1.65}
.tier-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--lime)}
.tier-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--lime);padding-top:10px;
}
.tier-link i{font-size:11px;transition:transform .18s ease-out}
.tier-link:hover i{transform:translateX(3px)}
@media (max-width:1023px){
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .tier{min-height:0 !important}
}
@media (max-width:600px){
  .tier-grid{grid-template-columns:1fr}
}

/* ---------- 套餐对比矩阵 ---------- */
.matrix{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface)}
.matrix-row{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;border-bottom:1px solid var(--line)}
.matrix-row:last-child{border-bottom:0}
.matrix-cell{padding:16px 18px;font-size:14.5px;color:#D6D2E2;display:flex;align-items:center;gap:8px}
.matrix-cell.cell-label{color:var(--muted);font-size:14px;background:var(--ink-800)}
.matrix-head .matrix-cell{font-weight:700;font-size:15px;color:var(--text);background:var(--ink-800);padding-top:20px;padding-bottom:20px}
.matrix-cell.is-rec{background:rgba(184,255,60,.055);border-left:1px solid rgba(184,255,60,.32);border-right:1px solid rgba(184,255,60,.32)}
.matrix-head .matrix-cell.is-rec{background:rgba(184,255,60,.1)}
.matrix-row:last-child .matrix-cell.is-rec{border-bottom:1px solid rgba(184,255,60,.32)}
.rec-tag{
  font-size:11px;font-weight:700;color:var(--ink-900);background:var(--lime);
  border-radius:999px;padding:2px 9px;line-height:1.6;
}
.tick{color:var(--lime);font-weight:700}
.dash{color:var(--muted)}
.matrix-note{font-size:13px;color:var(--muted);margin-top:14px}
@media (max-width:767px){
  .matrix-row{grid-template-columns:1.2fr 1fr 1fr 1fr}
  .matrix-cell{padding:12px 10px;font-size:13px}
  .matrix-head .matrix-cell{font-size:13px;padding-top:14px;padding-bottom:14px}
  .rec-tag{display:none}
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(184,255,60,.3)}
.news-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-badge{
  align-self:flex-start;font-size:12px;line-height:1.7;
  color:#BDAFFF;background:rgba(123,92,255,.15);border-radius:999px;padding:2px 10px;
}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title:hover{color:var(--lime)}
.news-excerpt{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.news-meta i{font-size:11px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;
  background:var(--ink-800);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:26px;color:var(--muted);display:block;margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}
@media (max-width:1023px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.news-grid{grid-template-columns:1fr}}

/* ---------- 限时通栏 ---------- */
.flash{
  background:var(--ink-800);border-top:1px solid rgba(184,255,60,.3);
  border-bottom:1px solid rgba(184,255,60,.3);padding:26px 0;
}
.flash-inner{display:flex;align-items:center;gap:28px}
.flash-label{font-size:13px;color:var(--muted);display:block;margin-bottom:4px}
.flash-time{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums}
.flash-time b{font-size:24px;font-weight:800;color:var(--amber);line-height:1}
.flash-time i{font-style:normal;font-size:11px;color:var(--muted);margin-right:5px}
.flash-text{flex:1;font-size:15px;color:#D6D2E2;line-height:1.7}
@media (max-width:900px){
  .flash-inner{flex-direction:column;align-items:flex-start;gap:18px}
  .flash-time{justify-content:flex-start}
  .flash .btn{width:100%}
}

/* ---------- 咨询表单 ---------- */
.form-grid{display:grid;grid-template-columns:6fr 4fr;gap:28px;align-items:start}
.contact-form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;background:var(--ink-800);border:1px solid var(--line);border-radius:10px;
  color:var(--text);padding:11px 14px;font-size:14.5px;outline:0;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#6F6A80}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(184,255,60,.6);box-shadow:0 0 0 3px rgba(184,255,60,.13);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 12px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.agree{grid-column:1/-1;display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--lime);flex-shrink:0}
.form-submit{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.privacy-note{font-size:12px;color:#6F6A80}
.form-msg{grid-column:1/-1;font-size:13.5px;color:var(--lime);min-height:0}
.form-aside{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;
}
.form-aside h3{font-size:18px;font-weight:700;margin-bottom:16px}
.aside-list{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.aside-list li{display:flex;gap:12px;font-size:14px;color:#D6D2E2;line-height:1.7}
.aside-list i{color:var(--lime);font-size:14px;margin-top:5px;flex-shrink:0}
.aside-hours{border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--muted);line-height:1.8}
.aside-hours strong{color:var(--text);font-weight:600}
@media (max-width:900px){
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .contact-form{grid-template-columns:1fr;padding:22px}
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 4px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:600;transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--muted);
  transition:color .18s ease-out,transform .18s ease-out;flex-shrink:0;
}
.faq-item summary:hover{color:var(--lime)}
.faq-item[open] summary{color:var(--lime)}
.faq-item[open] summary::after{content:"−";color:var(--lime)}
.faq-item p{
  font-size:14.5px;color:var(--muted);line-height:1.85;
  margin:0 0 20px;padding-left:16px;border-left:2px solid var(--lime);max-width:900px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:13.5px;color:var(--muted);transition:color .18s ease-out}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#6F6A80;
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --ink-900:#0E0D12;
  --ink-800:#16141D;
  --surface:#1D1A26;
  --line:#2C2838;
  --lime:#B8FF3C;
  --lime-deep:#8FDB13;
  --violet:#7B5CFF;
  --amber:#FFB020;
  --text:#F2F0F7;
  --muted:#9C97AD;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-hover:0 10px 28px rgba(0,0,0,.45);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(184,255,60,.28);color:#fff;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,13,18,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  box-shadow:0 0 0 1px rgba(184,255,60,.22);
}
.logo-text{display:flex;align-items:baseline;gap:2px;font-size:15px;letter-spacing:.02em;}
.logo-text strong{font-weight:800;color:var(--text);}
.logo-text span{font-weight:400;color:var(--muted);font-size:13px;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px;}
.nav-link{position:relative;font-size:14px;color:var(--muted);padding:6px 0;transition:color .18s ease-out;white-space:nowrap;}
.nav-link:hover{color:var(--text);}
.nav-link:focus-visible{outline:2px solid rgba(184,255,60,.5);outline-offset:4px;border-radius:4px;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--lime);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cmd-search:focus-within{border-color:rgba(184,255,60,.55);box-shadow:0 0 0 3px rgba(184,255,60,.12);}
.cmd-search svg{flex:0 0 auto;opacity:.6;}
.cmd-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:13px;}
.cmd-search input::placeholder{color:var(--muted);}
.kbd{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:1px 5px;white-space:nowrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .12s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--lime);color:#0E0D12;}
.btn-primary:hover{background:#C8FF60;box-shadow:0 6px 20px rgba(184,255,60,.28);}
.btn-primary:active{transform:scale(.98);background:var(--lime-deep);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(184,255,60,.42);color:var(--lime);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:3px solid rgba(184,255,60,.45);outline-offset:2px;}
.btn-sm{padding:8px 14px;font-size:13px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--radius-btn);
  background:var(--ink-800);border:1px solid var(--line);cursor:pointer;
  transition:border-color .18s ease-out;
}
.nav-toggle:hover{border-color:rgba(184,255,60,.4);}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--ink-800);}
.mobile-panel.is-open{display:block;}
.mobile-panel .mobile-inner{padding:18px 0 24px;}
.mobile-panel .mobile-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;background:var(--ink-900);border:1px solid var(--line);border-radius:var(--radius-btn);margin-bottom:16px;}
.mobile-panel .mobile-search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;}
.mobile-panel ul li a{display:block;padding:12px 2px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line);}
.mobile-panel ul li a:hover{color:var(--lime);}
.mobile-panel .mobile-cta{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:1023px){
  .nav-links,.cmd-search{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:520px){
  .logo-text span{display:none;}
  .header-actions .btn-primary{display:none;}
}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--ink-800) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,13,18,.97) 0%,rgba(14,13,18,.88) 52%,rgba(14,13,18,.58) 100%);
}
.page-hero-inner{position:relative;padding:36px 0 44px;max-width:900px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);line-height:1.6;}
.breadcrumb a{transition:color .18s ease-out;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .current{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#C9C4D8;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:20px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:#CDBBFF;background:rgba(123,92,255,.15);border:1px solid rgba(123,92,255,.35);
}
.page-title{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,38px);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;
  color:var(--text);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:18px;font-size:13px;color:var(--muted);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.meta-row strong{color:#D9D5E4;font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- article body ---------- */
.article-section{padding:56px 0 8px;}
.article-wrap{max-width:860px;margin:0 auto;}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:16px;line-height:1.9;color:#D9D5E4;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;margin:2em 0 .8em;padding-left:14px;
  font-size:clamp(20px,2.4vw,24px);font-weight:700;line-height:1.45;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--lime);
}
.article-body h3{margin:1.7em 0 .6em;font-size:19px;font-weight:600;line-height:1.5;color:var(--text);}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:600;color:var(--text);}
.article-body a{color:var(--lime);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#D6FF7A;}
.article-body ul{list-style:disc;padding-left:1.4em;margin:0 0 1.2em;}
.article-body ol{list-style:decimal;padding-left:1.5em;margin:0 0 1.2em;}
.article-body li{margin:.4em 0;}
.article-body strong{color:var(--text);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--ink-800);
  border-left:3px solid var(--violet);
  border-radius:0 10px 10px 0;
  color:#C9C4D8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{margin-top:8px;text-align:center;font-size:12px;color:var(--muted);}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--ink-800);color:var(--text);font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(29,26,38,.45);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{background:var(--ink-800);padding:2px 6px;border-radius:6px;font-size:.9em;}
.empty-state{
  max-width:640px;margin:0 auto;padding:56px 28px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(184,255,60,.12);color:var(--lime);font-size:22px;font-weight:800;
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:22px;}
.article-foot{
  max-width:760px;margin:44px auto 0;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.article-foot .foot-note{font-size:13px;color:var(--muted);}
.article-foot .foot-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.35;color:var(--text);
}
.section-head h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--lime);flex:0 0 auto;}
.section-head .head-desc{margin-top:8px;font-size:13px;color:var(--muted);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--muted);font-weight:600;
  transition:color .18s ease-out;
}
.text-link::after{content:"→";display:inline-block;transform:translateX(0);transition:transform .18s ease-out;font-size:12px;}
.text-link:hover{color:var(--lime);}
.text-link:hover::after{transform:translateX(4px);}

/* ---------- related ---------- */
.related-section{padding:56px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(184,255,60,.28);}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--ink-800);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body .tag-pill{margin-top:0;align-self:flex-start;font-size:11px;padding:4px 10px;}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body p{font-size:13px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);}
.rec-meta .arrow{color:var(--lime);font-weight:700;}

/* ---------- enquiry ---------- */
.enquiry-section{padding:64px 0 0;}
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:20px;
  padding:36px;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.16),transparent 70%);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;}
.cta-copy > p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:#D9D5E4;line-height:1.7;}
.cta-points li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;
  background:rgba(184,255,60,.14);border:1px solid rgba(184,255,60,.5);
}
.cta-time{margin-top:22px;font-size:12px;color:var(--muted);}
.form-card{position:relative;z-index:1;background:rgba(14,13,18,.55);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;
  background:var(--ink-900);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  font-size:14px;color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input::placeholder,.field textarea::placeholder{color:#6F6A80;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(184,255,60,.65);box-shadow:0 0 0 3px rgba(184,255,60,.13);
}
.field textarea{resize:vertical;min-height:88px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.check-line{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);margin:6px 0 16px;}
.check-line input{width:15px;height:15px;margin-top:3px;accent-color:var(--lime);flex:0 0 auto;}
.form-note{font-size:12px;color:var(--muted);margin-top:10px;}
.form-tip{display:none;margin-top:12px;padding:10px 12px;border-radius:var(--radius-btn);font-size:13px;background:rgba(184,255,60,.12);border:1px solid rgba(184,255,60,.35);color:#DBFF9A;}
.form-tip.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{margin-top:72px;background:var(--ink-800);border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px;}
.footer-brand p{margin-top:14px;font-size:13px;line-height:1.8;color:var(--muted);max-width:30em;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--text);margin-bottom:14px;}
.footer-col ul li{font-size:13px;color:var(--muted);margin-bottom:10px;line-height:1.7;}
.footer-col ul li a{transition:color .18s ease-out;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--muted);
}

@media (max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:44px 0 32px;}
}
@media (max-width:767px){
  .page-hero-inner{padding:28px 0 34px;}
  .article-section{padding:36px 0 0;}
  .article-body{font-size:15.5px;line-height:1.85;}
  .related-grid{grid-template-columns:1fr;}
  .related-section{padding:40px 0 0;}
  .enquiry-section{padding:44px 0 0;}
  .form-row{grid-template-columns:1fr;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:36px 0 26px;}
}
@media (max-width:520px){
  .cta-panel{padding:22px;}
  .meta-row{gap:12px;font-size:12px;}
  .section-head h2{font-size:20px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0E0D12;
  --ink-800:#16141D;
  --surface:#1D1A26;
  --line:#2C2838;
  --lime:#B8FF3C;
  --lime-deep:#8FDB13;
  --violet:#7B5CFF;
  --amber:#FFB020;
  --text:#F2F0F7;
  --muted:#9C97AD;
  --radius-card:16px;
  --radius-btn:10px;
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(184,255,60,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,13,18,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:24px;height:24px;border-radius:7px;flex-shrink:0;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.logo-text{display:flex;align-items:baseline;gap:4px;font-size:15px;letter-spacing:-.01em;white-space:nowrap;}
.logo-text strong{font-weight:800;color:var(--text);}
.logo-text span{font-weight:400;color:var(--muted);font-size:13px;}
.nav-links{display:none;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:14px;color:var(--muted);padding:20px 0;transition:color .18s ease-out;}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.cmd-search{display:none;align-items:center;gap:8px;width:230px;height:36px;padding:0 10px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.cmd-search:focus-within{border-color:rgba(184,255,60,.55);box-shadow:0 0 0 3px rgba(184,255,60,.12);}
.cmd-search svg{flex-shrink:0;color:var(--muted);}
.cmd-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:13px;}
.cmd-search input::placeholder{color:var(--muted);}
.kbd{display:none;align-items:center;justify-content:center;height:20px;padding:0 6px;
  border:1px solid var(--line);border-radius:5px;font-size:11px;color:var(--muted);background:var(--ink-900);}
.ghost-link{display:none;font-size:13px;color:var(--muted);transition:color .18s ease-out;}
.ghost-link:hover{color:var(--lime);}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:10px;background:var(--ink-800);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s ease-out,color .18s ease-out;}
.nav-toggle:hover{border-color:rgba(184,255,60,.45);color:var(--lime);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--ink-800);padding:14px 0 22px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .m-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;margin-bottom:14px;
  background:var(--ink-900);border:1px solid var(--line);border-radius:10px;}
.mobile-panel .m-search input{flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;}
.mobile-panel .m-search input::placeholder{color:var(--muted);}
.m-link{display:block;padding:12px 4px;font-size:15px;color:var(--muted);border-bottom:1px solid rgba(44,40,56,.6);transition:color .18s ease-out;}
.m-link:hover{color:var(--text);}
.m-link.is-active{color:var(--lime);font-weight:700;}
.mobile-panel .btn{margin-top:16px;width:100%;}
@media (min-width:900px){.nav-links{display:flex;}}
@media (min-width:1024px){
  .cmd-search{display:flex;}
  .ghost-link{display:inline-flex;}
  .nav-toggle{display:none;}
  .mobile-panel{display:none !important;}
}
@media (min-width:1280px){.kbd{display:inline-flex;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:700;font-size:14px;padding:12px 22px;
  border:1px solid transparent;transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .12s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink-900);}
.btn-primary:hover{background:var(--lime-deep);box-shadow:0 6px 20px rgba(184,255,60,.28);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(184,255,60,.45);color:var(--lime);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{padding:8px 16px;font-size:13px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);transition:color .18s ease-out;}
.text-link::after{content:"→";transition:transform .18s ease-out;}
.text-link:hover{color:var(--lime);}
.text-link:hover::after{transform:translateX(4px);}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(123,92,255,.15);color:#C9BDFF;border:1px solid rgba(123,92,255,.32);
}
.badge-lime{background:rgba(184,255,60,.13);color:var(--lime);border-color:rgba(184,255,60,.4);}
.badge-amber{background:rgba(255,176,32,.12);color:var(--amber);border-color:rgba(255,176,32,.4);}
.tag{
  display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;
  font-size:12px;color:var(--muted);background:rgba(44,40,56,.7);border:1px solid var(--line);
}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.13),transparent 66%);pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.breadcrumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding-top:20px;}
.breadcrumb a{transition:color .18s ease-out;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(156,151,173,.5);}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding:28px 0 52px;}
.hero-copy h1{
  font-size:clamp(28px,4.8vw,48px);line-height:1.18;font-weight:800;letter-spacing:-.01em;margin-top:16px;
}
.hero-copy h1 .hl{color:var(--lime);}
.hero-sub{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stats .stat strong{
  display:block;font-size:24px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.hero-stats .stat strong em{font-style:normal;font-size:13px;color:var(--muted);font-weight:400;margin-left:4px;}
.hero-stats .stat span{font-size:13px;color:var(--muted);}
.hero-visual{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:var(--surface);align-self:start;
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-visual .badge{position:absolute;top:14px;left:14px;background:rgba(14,13,18,.78);border-color:rgba(123,92,255,.42);}
.next-launch{
  position:absolute;right:14px;bottom:14px;padding:10px 14px;border-radius:12px;
  background:rgba(14,13,18,.9);border:1px solid var(--line);backdrop-filter:blur(6px);
}
.next-launch span{display:block;font-size:11px;color:var(--muted);letter-spacing:.04em;}
.next-launch strong{
  display:block;font-size:15px;color:var(--amber);font-weight:800;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
@media (min-width:768px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:44px;align-items:center;padding:36px 0 64px;}
}

/* ---------- sections ---------- */
.section{padding:52px 0;}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:28px;}
.section-head .head-main{display:flex;gap:12px;align-items:flex-start;}
.section-head .bar{width:4px;height:20px;border-radius:2px;background:var(--lime);margin-top:9px;flex-shrink:0;}
.section-head h2{font-size:clamp(21px,3vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head .desc{font-size:13px;color:var(--muted);margin-top:6px;}
@media (min-width:768px){.section{padding:64px 0;}}

/* ---------- filter chips ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--ink-800);
  font-size:13px;color:var(--muted);transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.chip:hover{color:var(--text);border-color:rgba(184,255,60,.4);}
.chip.is-active{background:rgba(184,255,60,.12);border-color:rgba(184,255,60,.55);color:var(--lime);font-weight:700;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(184,255,60,.75),rgba(184,255,60,.06));
}
.timeline-item{position:relative;margin-bottom:18px;transition:opacity .2s ease-out;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--lime);box-shadow:0 0 0 4px rgba(184,255,60,.12);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.45);border-color:rgba(184,255,60,.32);}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.tl-date{
  font-size:14px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-card h3{font-size:19px;font-weight:700;line-height:1.4;}
.tl-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;padding-top:14px;
  border-top:1px solid rgba(44,40,56,.8);}
.tl-time{margin-left:auto;font-size:13px;color:var(--text);font-variant-numeric:tabular-nums;}
@media (min-width:768px){
  .timeline{padding-left:38px;}
  .timeline-item::before{left:-38px;}
  .tl-card{padding:22px 24px;}
}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.info-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.info-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.45);border-color:rgba(184,255,60,.3);}
.info-card .thumb{overflow:hidden;}
.info-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card h3{font-size:17px;font-weight:700;line-height:1.5;}
.info-card p{font-size:13px;color:var(--muted);line-height:1.8;}
.info-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
.info-card .foot time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:16px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{border-color:rgba(184,255,60,.32);transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.4);}
.step .num{
  font-size:30px;font-weight:800;color:var(--lime);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step h3{font-size:17px;font-weight:700;margin-top:14px;}
.step p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8;}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px;}}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;
  list-style:none;transition:color .18s ease-out,background .18s ease-out;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:18px;line-height:1;color:var(--muted);transition:color .18s ease-out,transform .18s ease-out;}
.faq summary:hover{color:var(--lime);}
.faq details[open] summary{color:var(--lime);}
.faq details[open] summary::after{content:"−";color:var(--lime);}
.faq .answer{padding:0 20px 20px;font-size:14px;line-height:1.85;color:var(--muted);}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--ink-800);border:1px solid rgba(184,255,60,.3);border-radius:20px;
  padding:30px 22px;
}
.cta-panel::before{
  content:"";position:absolute;top:-120px;right:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.16),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:22px;}
.cta-panel h2{font-size:clamp(20px,3vw,26px);font-weight:800;line-height:1.35;}
.cta-panel p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.85;max-width:560px;}
.cta-form{display:flex;flex-wrap:wrap;gap:10px;}
.cta-form input{
  flex:1 1 200px;height:46px;border-radius:var(--radius-btn);
  background:var(--ink-900);border:1px solid var(--line);color:var(--text);
  padding:0 14px;font-size:14px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input::placeholder{color:var(--muted);}
.cta-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,255,60,.18);}
.cta-note{font-size:12px;color:var(--muted);margin-top:10px;}
@media (min-width:1024px){
  .cta-panel{padding:40px;}
  .cta-inner{grid-template-columns:1fr 420px;align-items:center;gap:36px;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding-top:44px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:13px;color:var(--muted);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-col ul li{font-size:13px;color:var(--muted);margin-bottom:10px;line-height:1.7;}
.footer-col ul li a{transition:color .18s ease-out;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:36px;padding:20px 0;border-top:1px solid var(--line);
  font-size:12px;color:var(--muted);line-height:1.8;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0E0D12;
  --ink-800:#16141D;
  --surface:#1D1A26;
  --line:#2C2838;
  --lime:#B8FF3C;
  --lime-deep:#8FDB13;
  --violet:#7B5CFF;
  --amber:#FFB020;
  --text:#F2F0F7;
  --muted:#9C97AD;
  --radius-card:16px;
  --radius-btn:10px;
  --container:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(184,255,60,.5);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,13,18,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:24px;height:24px;border-radius:7px;flex:none;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  box-shadow:0 0 0 1px rgba(184,255,60,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:15px;font-weight:800;color:var(--lime);letter-spacing:.01em;}
.logo-text span{font-size:10px;color:var(--muted);letter-spacing:.16em;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:14px;color:var(--muted);padding:6px 0;
  transition:color .18s ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.command-search{
  display:flex;align-items:center;gap:8px;width:240px;height:36px;padding:0 10px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search:focus-within{
  border-color:rgba(184,255,60,.55);
  box-shadow:0 0 0 3px rgba(184,255,60,.14);
}
.command-search svg{flex:none;color:var(--muted);}
.command-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:0;
  color:var(--text);font-size:13px;
}
.command-search input::placeholder{color:var(--muted);}
.key-hint{
  font-size:11px;color:var(--muted);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;line-height:1.5;flex:none;
}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:40px;margin-left:auto;background:var(--ink-800);
  border:1px solid var(--line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0E0D12;}
.btn-primary:hover{background:#c9ff69;box-shadow:0 6px 20px rgba(184,255,60,.28);transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(184,255,60,.45);color:var(--lime);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 64px;border-bottom:1px solid var(--line);
  background:
    radial-gradient(620px 320px at 88% 6%, rgba(184,255,60,.11), transparent 70%),
    var(--ink-900);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:28px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);transition:color .15s ease-out;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .current{color:var(--text);}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  color:var(--lime);letter-spacing:.04em;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(184,255,60,.15);}
h1{
  font-size:clamp(30px,4.8vw,52px);line-height:1.15;font-weight:800;
  letter-spacing:-.01em;margin-bottom:18px;
}
h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:16px;color:var(--muted);max-width:620px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;}
.hero-stats strong{
  display:block;font-size:26px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:13px;color:var(--muted);}
.update-note{margin-top:18px;font-size:13px;color:var(--muted);}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:var(--surface);aspect-ratio:16/10;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.badge-float{
  position:absolute;top:16px;left:16px;
  background:rgba(14,13,18,.72);border:1px solid rgba(184,255,60,.42);
  color:var(--lime);font-size:12px;padding:4px 12px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.countdown-card{
  position:absolute;right:16px;bottom:16px;
  background:rgba(14,13,18,.86);border:1px solid var(--line);
  border-radius:12px;padding:10px 16px;backdrop-filter:blur(8px);
}
.countdown-label{display:block;font-size:11px;color:var(--muted);letter-spacing:.06em;}
.countdown-num{
  font-size:20px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:.05em;line-height:1.3;
}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;
}
.section-head h2{
  position:relative;padding-left:14px;font-size:28px;font-weight:700;line-height:1.3;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;background:var(--lime);border-radius:2px;
}
.section-head p{margin:8px 0 0 14px;font-size:13px;color:var(--muted);max-width:660px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);
  transition:color .18s ease-out;
}
.link-arrow::after{content:"→";transition:transform .18s ease-out;}
.link-arrow:hover{color:var(--lime);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- filter pills ---------- */
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.pill{
  height:34px;padding:0 16px;border-radius:999px;background:var(--ink-800);
  border:1px solid var(--line);color:var(--muted);font-size:13px;cursor:pointer;
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.pill:hover{color:var(--text);border-color:rgba(184,255,60,.35);}
.pill.is-active{background:rgba(184,255,60,.12);border-color:rgba(184,255,60,.5);color:var(--lime);}

/* ---------- schedule table ---------- */
.schedule-wrap{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--ink-800);}
.schedule-table{width:100%;border-collapse:collapse;font-size:14px;}
.schedule-table thead th{
  text-align:left;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--muted);background:rgba(255,255,255,.025);
  padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.schedule-table tbody tr{transition:background .15s ease-out;}
.schedule-table tbody tr:nth-child(even){background:rgba(255,255,255,.014);}
.schedule-table tbody tr:hover{background:rgba(184,255,60,.06);}
.schedule-table tbody td{padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:middle;}
.schedule-table tbody tr:last-child td{border-bottom:0;}
.time-cell{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap;}
.server-name{font-weight:600;}
.game-name{color:var(--muted);}
.platform-tag{
  display:inline-block;font-size:12px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:2px 9px;
}
.status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid;white-space:nowrap;
}
.status::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;}
.status-open{color:var(--lime);border-color:rgba(184,255,60,.45);background:rgba(184,255,60,.08);}
.status-soon{color:var(--amber);border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.08);}
.status-done{color:var(--muted);border-color:var(--line);background:rgba(255,255,255,.02);}
.enter-link{color:var(--lime);font-size:13px;font-weight:600;transition:opacity .15s ease-out;}
.enter-link:hover{opacity:.75;}
.enter-link.is-disabled{color:var(--muted);font-weight:400;cursor:default;pointer-events:none;}
.table-footnote{margin-top:16px;font-size:13px;color:var(--muted);}

/* ---------- feature cards ---------- */
.card-grid{display:grid;gap:16px;grid-template-columns:1fr;}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.feature-card:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(0,0,0,.45);
  border-color:rgba(184,255,60,.3);
}
.feature-icon{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(184,255,60,.12);color:var(--lime);font-weight:800;font-size:14px;
  margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- steps ---------- */
.steps{display:grid;gap:20px;grid-template-columns:1fr;}
.step{
  position:relative;padding:24px;background:var(--ink-800);
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.step:hover{border-color:rgba(123,92,255,.45);transform:translateY(-2px);}
.step-num{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--violet);
}
.step h3{font-size:18px;font-weight:700;margin:10px 0 8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- split panel ---------- */
.split{display:grid;gap:32px;grid-template-columns:1fr;align-items:center;}
.split-media{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:var(--surface);aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-copy h2{position:relative;padding-left:14px;font-size:28px;font-weight:700;margin-bottom:16px;}
.split-copy h2::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:22px;
  background:var(--lime);border-radius:2px;
}
.split-copy p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px;}
.check-list{display:grid;gap:12px;}
.check-list li{
  display:flex;gap:10px;font-size:15px;color:var(--text);
  background:var(--ink-800);border:1px solid var(--line);border-radius:12px;padding:12px 16px;
}
.check-list li::before{
  content:"";flex:none;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--lime);
}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:16px;font-weight:600;
  transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;color:var(--muted);font-size:20px;font-weight:400;line-height:1;
  transition:color .18s ease-out,transform .2s ease-out;
}
.faq-item summary:hover{color:var(--lime);}
.faq-item[open] summary{color:var(--lime);}
.faq-item[open] summary::after{content:"−";color:var(--lime);}
.faq-item p{color:var(--muted);font-size:15px;line-height:1.85;max-width:860px;padding-bottom:22px;}

/* ---------- cta ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--ink-800);border:1px solid rgba(184,255,60,.3);
  border-radius:20px;padding:36px;
}
.cta-band .cta-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;
  color:var(--lime);margin-bottom:10px;
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.cta-band p{font-size:14px;color:var(--muted);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-meta{font-size:13px;color:var(--muted);margin-top:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:330px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;font-size:14px;color:var(--muted);}
.footer-col a{color:var(--muted);transition:color .15s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:24px 0;margin-top:40px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .key-hint{display:none;}
}
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;height:64px;}
  .nav-toggle{display:flex;}
  .header-actions{display:none;}
  .nav-links{
    position:absolute;left:0;right:0;top:64px;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink-800);border-bottom:1px solid var(--line);
    padding:6px 20px 20px;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-link.is-active{color:var(--lime);}
  .nav-link.is-active::after{display:none;}
  .hero-grid{gap:32px;}
  .split{grid-template-columns:1fr;}
}
@media (min-width:640px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .container{padding:0 32px;}
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
  .card-grid{grid-template-columns:repeat(4,1fr);}
  .steps{grid-template-columns:repeat(4,1fr);}
  .split{grid-template-columns:6fr 6fr;gap:48px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
}
@media (max-width:767px){
  .section{padding:40px 0;}
  .page-hero{padding:28px 0 44px;}
  .section-head h2,.split-copy h2{font-size:22px;}
  .cta-band{padding:24px;}
  .cta-band h2{font-size:20px;}
  .hero-stats{gap:24px;}
  .hero-stats strong{font-size:22px;}
  /* 表格转卡片 */
  .schedule-table thead{display:none;}
  .schedule-table,
  .schedule-table tbody,
  .schedule-table tr,
  .schedule-table td{display:block;width:100%;}
  .schedule-table tbody tr{
    border-bottom:1px solid var(--line);padding:14px 16px;
  }
  .schedule-table tbody tr:last-child{border-bottom:0;}
  .schedule-table tbody td{
    border:0;padding:6px 0;display:flex;align-items:center;
    justify-content:space-between;gap:16px;text-align:right;
  }
  .schedule-table tbody td::before{
    content:attr(data-label);color:var(--muted);font-size:12px;
    flex:none;text-align:left;letter-spacing:.04em;
  }
  .schedule-table tbody tr:nth-child(even){background:rgba(255,255,255,.014);}
}

/* roulang page: category3 */
:root{
  --ink-900:#0E0D12;
  --ink-800:#16141D;
  --surface:#1D1A26;
  --line:#2C2838;
  --lime:#B8FF3C;
  --lime-deep:#8FDB13;
  --violet:#7B5CFF;
  --amber:#FFB020;
  --text:#F2F0F7;
  --muted:#9C97AD;
  --r-card:16px;
  --r-btn:10px;
  --max:1240px;
  --shadow-hover:0 10px 28px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(184,255,60,.45);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){ .container{padding:0 32px;} }

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,13,18,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:64px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  box-shadow:0 0 0 4px rgba(184,255,60,.10);
  flex-shrink:0;
}
.logo-text{display:flex;align-items:baseline;gap:6px;font-size:16px;line-height:1;white-space:nowrap;}
.logo-text strong{font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo-text span{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.02em;}
.nav-links{display:none;align-items:center;gap:28px;margin-left:12px;}
.nav-link{
  position:relative;
  font-size:14px;color:var(--muted);
  padding:20px 0;
  transition:color .18s ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  display:none;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search:focus-within{border-color:rgba(184,255,60,.55);box-shadow:0 0 0 3px rgba(184,255,60,.14);}
.command-search svg{flex-shrink:0;color:var(--muted);}
.command-search input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;
  font-size:13px;color:var(--text);
}
.command-search input::placeholder{color:#6E6880;}
.kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line);
  border-radius:5px;padding:1px 5px;line-height:1.5;flex-shrink:0;
}
.header-link{display:none;font-size:14px;color:var(--muted);transition:color .18s ease-out;}
.header-link:hover{color:var(--lime);}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--ink-800);align-items:center;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--ink-800);
  padding:16px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .container{display:flex;flex-direction:column;gap:14px;}
.mobile-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-btn);}
.mobile-search input{flex:1;background:transparent;border:none;outline:none;font-size:14px;color:var(--text);}
.mobile-search input::placeholder{color:#6E6880;}
.mobile-nav{display:flex;flex-direction:column;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 2px;font-size:15px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.mobile-nav a.is-active{color:var(--lime);}
.mobile-nav a span{font-size:12px;color:#6E6880;}

@media (min-width:768px){
  .command-search{display:flex;}
}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .header-link{display:inline-block;}
  .nav-toggle{display:none;}
  .mobile-panel{display:none !important;}
}
@media (max-width:1279px){
  .kbd{display:none;}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .16s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--lime);color:var(--ink-900);}
.btn-primary:hover{background:#C7FF5C;box-shadow:0 6px 20px rgba(184,255,60,.28);}
.btn-primary:active{transform:scale(.98);background:var(--lime-deep);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);}
.btn-ghost:hover{border-color:rgba(184,255,60,.40);color:var(--lime);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--muted);
  transition:color .18s ease-out;
}
.text-link::after{content:"→";transition:transform .18s ease-out;font-size:13px;}
.text-link:hover{color:var(--lime);}
.text-link:hover::after{transform:translateX(4px);}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:44px 0 56px;
  background:var(--ink-900);
}
.hero::before{
  content:"";position:absolute;right:-140px;top:-180px;
  width:580px;height:580px;pointer-events:none;
  background:radial-gradient(circle,rgba(184,255,60,.12),transparent 66%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 30% 20%,#000,transparent 72%);
}
.hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{transition:color .18s ease-out;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb em{font-style:normal;color:#6E6880;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:#CBBFFF;background:rgba(123,92,255,.15);border:1px solid rgba(123,92,255,.28);
}
.tag-pill.is-lime{color:var(--lime);background:rgba(184,255,60,.10);border-color:rgba(184,255,60,.30);}
.hero h1{
  margin:16px 0 0;
  font-size:clamp(30px,4.8vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
}
.hero h1 .hl{color:var(--lime);}
.hero-sub{
  margin-top:16px;max-width:640px;
  font-size:15px;line-height:1.8;color:var(--muted);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px 40px;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.stat b{
  display:block;font-size:24px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;color:var(--text);
}
.stat span{font-size:13px;color:var(--muted);}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,13,18,.10) 0%,rgba(14,13,18,.72) 100%);
}
.hero-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--text);background:rgba(14,13,18,.62);border:1px solid rgba(242,240,247,.18);
  backdrop-filter:blur(6px);
}
.hero-note{
  position:absolute;right:14px;bottom:14px;z-index:2;
  padding:10px 14px;border-radius:12px;
  background:rgba(14,13,18,.82);border:1px solid var(--line);
  text-align:right;
}
.hero-note b{display:block;font-size:20px;font-weight:800;color:var(--lime);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-note span{font-size:12px;color:var(--muted);}
@media (min-width:1024px){
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
}

/* ===== 通用板块 ===== */
.section{padding:56px 0;}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;flex-wrap:wrap;
}
.section-head .sh-left{display:flex;align-items:flex-start;gap:12px;}
.sh-bar{width:4px;height:22px;border-radius:2px;background:var(--lime);margin-top:8px;flex-shrink:0;}
.section-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head p{font-size:13px;color:var(--muted);margin-top:6px;}
.section-head .text-link{margin-bottom:4px;}
@media (min-width:1024px){ .section{padding:64px 0;} }

/* ===== 筛选胶囊 ===== */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px;}
.filter-pill{
  padding:8px 16px;border-radius:999px;font-size:13px;
  color:var(--muted);background:var(--ink-800);border:1px solid var(--line);
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.filter-pill:hover{color:var(--text);border-color:rgba(184,255,60,.35);}
.filter-pill.is-active{color:var(--ink-900);background:var(--lime);border-color:var(--lime);font-weight:700;}

/* ===== 8+4 布局 ===== */
.layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){
  .layout{grid-template-columns:2fr 1fr;gap:36px;align-items:start;}
}
.guide-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){ .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#3A3549;}
.card-media{overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-tag{
  align-self:flex-start;
  padding:3px 10px;border-radius:999px;font-size:12px;
  color:#CBBFFF;background:rgba(123,92,255,.15);border:1px solid rgba(123,92,255,.28);
}
.card h3{font-size:18px;font-weight:700;line-height:1.45;}
.card p{font-size:14px;line-height:1.75;color:var(--muted);}
.card-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.card-points li{
  font-size:12px;color:#B4AFC4;
  padding:3px 9px;border-radius:6px;
  background:var(--ink-900);border:1px solid var(--line);
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12px;color:#6E6880;
}

/* ===== 侧栏 ===== */
.sidebar{display:flex;flex-direction:column;gap:18px;}
@media (min-width:1024px){ .sidebar{position:sticky;top:88px;} }
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 18px 20px;
}
.side-card h4{font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;}
.side-list{display:flex;flex-direction:column;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0 9px 12px;border-left:2px solid transparent;
  font-size:14px;color:var(--muted);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.side-list a:hover{color:var(--text);border-left-color:rgba(184,255,60,.5);}
.side-list a.is-current{color:var(--lime);border-left-color:var(--lime);font-weight:600;}
.side-list a em{font-style:normal;font-size:12px;color:#6E6880;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  font-size:12px;color:var(--muted);
  padding:5px 11px;border-radius:999px;
  background:var(--ink-900);border:1px solid var(--line);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.tag-cloud a:hover{color:var(--lime);border-color:rgba(184,255,60,.4);}
.mini-cta{background:linear-gradient(160deg,rgba(123,92,255,.16),rgba(184,255,60,.08));border-color:rgba(184,255,60,.28);}
.mini-cta p{font-size:13px;color:var(--muted);line-height:1.75;margin-bottom:14px;}
.mini-cta .btn{width:100%;}

/* ===== 阶段路线 ===== */
.steps{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){ .steps{grid-template-columns:repeat(3,minmax(0,1fr));} }
.step{
  position:relative;
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 20px 24px;
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.step:hover{border-color:rgba(184,255,60,.35);transform:translateY(-2px);}
.step-num{
  font-size:34px;font-weight:800;line-height:1;color:rgba(184,255,60,.9);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step h3{font-size:17px;font-weight:700;margin:12px 0 8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.8;}
.step ul{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.step ul li{font-size:13px;color:#B4AFC4;padding-left:16px;position:relative;}
.step ul li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--lime);opacity:.75;
}

/* ===== 数据带 ===== */
.data-band{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
@media (min-width:768px){ .data-band{grid-template-columns:repeat(4,minmax(0,1fr));} }
.data-cell{background:var(--surface);padding:22px 18px;text-align:center;}
.data-cell b{
  display:block;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.2;
  color:var(--lime);font-variant-numeric:tabular-nums;
}
.data-cell span{display:block;margin-top:6px;font-size:13px;color:var(--muted);}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 2px 18px 0;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s ease-out,padding-left .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--muted);
  transition:transform .2s ease-out,color .18s ease-out;flex-shrink:0;
}
.faq-item summary:hover{color:var(--lime);}
.faq-item[open] summary{color:var(--lime);padding-left:14px;position:relative;}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:18px;border-radius:2px;background:var(--lime);
}
.faq-item[open] summary::after{content:"−";color:var(--lime);}
.faq-answer{padding:0 0 20px 14px;font-size:14px;line-height:1.85;color:var(--muted);max-width:820px;}

/* ===== 提交区 ===== */
.enquiry{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){ .enquiry{grid-template-columns:6fr 4fr;gap:40px;} }
.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px 22px;
}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13px;color:var(--muted);}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 13px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:14px;color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{height:96px;padding:11px 13px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#6E6880;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(184,255,60,.6);box-shadow:0 0 0 3px rgba(184,255,60,.14);
}
.field-row{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){ .field-row{grid-template-columns:1fr 1fr;} }
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px;}
.privacy{font-size:12px;color:#6E6880;line-height:1.7;}
.check-line{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--lime);}
.enquiry-aside{display:flex;flex-direction:column;gap:18px;}
.aside-item{
  display:flex;gap:12px;
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px 18px;
}
.aside-item .dot{
  width:8px;height:8px;border-radius:50%;background:var(--lime);
  margin-top:9px;flex-shrink:0;
}
.aside-item h4{font-size:15px;font-weight:700;margin-bottom:5px;}
.aside-item p{font-size:13px;color:var(--muted);line-height:1.75;}
.hours{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}
.hours b{color:var(--text);font-variant-numeric:tabular-nums;}

/* ===== 底部 CTA 横条 ===== */
.cta-band{
  display:flex;flex-direction:column;gap:18px;
  padding:26px 24px;
  background:var(--ink-800);
  border:1px solid rgba(184,255,60,.30);
  border-radius:var(--r-card);
}
@media (min-width:900px){ .cta-band{flex-direction:row;align-items:center;justify-content:space-between;gap:28px;} }
.cta-band h3{font-size:20px;font-weight:700;line-height:1.4;}
.cta-band p{font-size:14px;color:var(--muted);margin-top:6px;}
.cta-band .btn{white-space:nowrap;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:48px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;} }
.footer-brand p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:14px;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:13px;color:var(--muted);line-height:1.7;}
.footer-col a{font-size:13px;color:var(--muted);transition:color .18s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-direction:column;gap:8px;
  margin-top:38px;padding:18px 0 22px;
  border-top:1px solid var(--line);
  font-size:12px;color:#6E6880;
}
@media (min-width:768px){ .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;} }

/* 小屏适配 */
@media (max-width:519px){
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:16px 28px;}
  .stat b{font-size:21px;}
  .card h3{font-size:16px;}
  .cta-band{padding:22px 18px;}
}

/* roulang page: category4 */
:root{
    --ink-900:#0E0D12;
    --ink-800:#16141D;
    --surface:#1D1A26;
    --line:#2C2838;
    --lime:#B8FF3C;
    --lime-deep:#8FDB13;
    --violet:#7B5CFF;
    --amber:#FFB020;
    --text:#F2F0F7;
    --muted:#9C97AD;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow-hover:0 10px 28px rgba(0,0,0,.45);
    --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ink-900);
    color:var(--text);
    font-family:var(--font);
    font-size:15px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(14,13,18,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
  }
  .header-inner{display:flex;align-items:center;gap:28px;min-height:64px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    position:relative;width:24px;height:24px;border-radius:7px;
    background:linear-gradient(135deg,var(--lime),var(--lime-deep));
    box-shadow:0 0 0 1px rgba(184,255,60,.35);
    flex:0 0 auto;
  }
  .logo-mark::after{
    content:"";position:absolute;inset:7px;border-radius:3px;background:var(--ink-900);
  }
  .logo-text{display:flex;align-items:baseline;gap:6px;line-height:1;font-size:17px;}
  .logo-text strong{font-weight:800;color:var(--text);letter-spacing:-.01em;}
  .logo-text span{font-weight:500;color:var(--muted);font-size:14.5px;}

  .nav-links{display:none;align-items:center;gap:28px;margin:0;}
  .nav-link{
    position:relative;display:inline-block;padding:6px 0;
    font-size:14px;color:var(--muted);transition:color .18s ease-out;
  }
  .nav-link:hover{color:var(--text);}
  .nav-link.is-active{color:var(--text);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
    border-radius:2px;background:var(--lime);
  }
  .nav-link:focus-visible{outline:2px solid rgba(184,255,60,.55);outline-offset:4px;border-radius:4px;}

  .header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}

  .cmd-search{
    position:relative;display:none;align-items:center;
    width:240px;height:38px;border-radius:var(--radius-btn);
    background:var(--ink-800);border:1px solid var(--line);
    padding:0 44px 0 34px;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .cmd-search:focus-within{border-color:rgba(184,255,60,.5);box-shadow:0 0 0 3px rgba(184,255,60,.14);}
  .cmd-search .icon{
    position:absolute;left:11px;top:50%;transform:translateY(-50%);
    color:var(--muted);pointer-events:none;
  }
  .cmd-search input{
    width:100%;height:100%;background:transparent;border:0;outline:none;font-size:13.5px;
  }
  .cmd-search input::placeholder{color:var(--muted);}
  .kbd{
    position:absolute;right:9px;top:50%;transform:translateY(-50%);
    font-size:11px;color:var(--muted);line-height:1;
    padding:4px 6px;border-radius:6px;border:1px solid var(--line);background:var(--ink-900);
  }

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;line-height:1.2;
    border:1px solid transparent;cursor:pointer;
    transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
  }
  .btn:focus-visible{outline:3px solid rgba(184,255,60,.45);outline-offset:2px;}
  .btn-primary{background:var(--lime);color:var(--ink-900);}
  .btn-primary:hover{background:var(--lime-deep);box-shadow:0 6px 20px rgba(184,255,60,.28);transform:translateY(-1px);}
  .btn-primary:active{transform:scale(.98);box-shadow:none;}
  .btn-secondary{background:transparent;border-color:var(--line);color:var(--text);}
  .btn-secondary:hover{border-color:rgba(184,255,60,.45);color:var(--text);transform:translateY(-1px);}
  .btn-secondary:active{transform:scale(.98);}
  .btn-sm{padding:9px 16px;font-size:13.5px;}

  .btn-text{
    display:inline-flex;align-items:center;gap:4px;
    font-size:13.5px;font-weight:600;color:var(--muted);
    transition:color .18s ease-out;
  }
  .btn-text span{display:inline-block;transition:transform .18s ease-out;}
  .btn-text:hover{color:var(--lime);}
  .btn-text:hover span{transform:translateX(4px);}
  .btn-text:focus-visible{outline:2px solid rgba(184,255,60,.5);outline-offset:3px;border-radius:4px;}

  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:38px;border-radius:var(--radius-btn);
    background:var(--ink-800);border:1px solid var(--line);color:var(--text);
    cursor:pointer;transition:border-color .18s ease-out,color .18s ease-out;
  }
  .nav-toggle:hover{border-color:rgba(184,255,60,.4);color:var(--lime);}
  .nav-toggle:focus-visible{outline:2px solid rgba(184,255,60,.5);outline-offset:2px;}

  .mobile-panel{
    display:none;border-top:1px solid var(--line);
    padding:16px 0 22px;background:rgba(22,20,29,.98);
  }
  .mobile-panel.is-open{display:block;}
  .mobile-panel .mobile-search{
    display:flex;align-items:center;gap:10px;height:42px;
    padding:0 12px;border-radius:var(--radius-btn);
    background:var(--ink-900);border:1px solid var(--line);margin-bottom:14px;
  }
  .mobile-panel .mobile-search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;}
  .mobile-panel .mobile-search input::placeholder{color:var(--muted);}
  .mobile-panel .mobile-links{display:grid;gap:2px;margin-bottom:16px;}
  .mobile-panel .mobile-links a{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 4px;font-size:15px;color:var(--muted);
    border-bottom:1px solid var(--line);
  }
  .mobile-panel .mobile-links a.is-active{color:var(--lime);}
  .mobile-panel .mobile-links a:hover{color:var(--text);}

  @media (min-width:1024px){
    .nav-links{display:flex;}
    .nav-toggle{display:none;}
    .mobile-panel{display:none !important;}
  }
  @media (min-width:1280px){
    .cmd-search{display:flex;}
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    padding:56px 0 64px;
    border-bottom:1px solid var(--line);
    background:var(--ink-900);
  }
  .hero::before{
    content:"";position:absolute;top:-180px;right:-140px;width:620px;height:620px;
    background:radial-gradient(circle,rgba(184,255,60,.12),transparent 65%);
    pointer-events:none;
  }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
    background-image:linear-gradient(rgba(242,240,247,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(242,240,247,.5) 1px,transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(circle at 70% 20%,#000,transparent 70%);
    -webkit-mask-image:radial-gradient(circle at 70% 20%,#000,transparent 70%);
  }
  .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 12px;margin-bottom:20px;
    border-radius:999px;border:1px solid rgba(184,255,60,.28);
    background:rgba(184,255,60,.08);
    font-size:12.5px;color:var(--lime);letter-spacing:.02em;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
  .hero h1{
    font-size:clamp(30px,4.8vw,52px);
    font-weight:800;line-height:1.15;letter-spacing:-.01em;
  }
  .hero h1 .hl{color:var(--lime);}
  .hero-sub{
    margin-top:18px;max-width:580px;
    font-size:16px;line-height:1.8;color:var(--muted);
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:36px;
    margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
  }
  .stat strong{
    display:block;font-size:24px;font-weight:800;line-height:1.2;
    font-variant-numeric:tabular-nums;color:var(--text);
  }
  .stat span{display:block;margin-top:4px;font-size:13px;color:var(--muted);}

  .hero-visual{position:relative;}
  .hero-img{
    border-radius:20px;overflow:hidden;border:1px solid var(--line);
    aspect-ratio:16/10;background:var(--ink-800);
  }
  .hero-img img{width:100%;height:100%;object-fit:cover;}
  .badge-float{
    position:absolute;top:16px;left:16px;
    padding:6px 12px;border-radius:999px;
    font-size:12px;color:var(--text);
    background:rgba(14,13,18,.75);border:1px solid var(--line);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  }
  .countdown-card{
    position:absolute;right:16px;bottom:16px;
    padding:12px 14px;border-radius:12px;
    background:rgba(14,13,18,.9);border:1px solid var(--line);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  }
  .cd-label{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
  .cd-nums{display:flex;align-items:baseline;gap:4px;margin-top:4px;}
  .cd-nums span{
    font-size:20px;font-weight:800;color:var(--amber);
    font-variant-numeric:tabular-nums;line-height:1.1;
  }
  .cd-nums em{font-style:normal;font-size:11px;color:var(--muted);margin-right:4px;}

  @media (min-width:768px){
    .hero{padding:72px 0 80px;}
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  .section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:24px;margin-bottom:28px;flex-wrap:wrap;
  }
  .section-head-left{display:flex;gap:12px;}
  .section-bar{width:4px;height:20px;border-radius:2px;background:var(--lime);margin-top:8px;flex:0 0 auto;}
  .section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
  .section-desc{margin-top:6px;font-size:13px;color:var(--muted);}
  @media (min-width:768px){.section{padding:64px 0;}}

  /* ---------- 兑换区 ---------- */
  .redeem-panel{
    display:grid;grid-template-columns:1fr;gap:20px;
    padding:24px;border-radius:var(--radius-card);
    background:var(--ink-900);border:1px solid var(--line);
  }
  .redeem-form{display:flex;flex-wrap:wrap;gap:12px;}
  .redeem-form .input{
    flex:1 1 260px;min-width:0;
    height:48px;padding:0 16px;border-radius:var(--radius-btn);
    background:var(--ink-800);border:1px solid var(--line);
    color:var(--text);font-size:15px;outline:none;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .redeem-form .input::placeholder{color:var(--muted);}
  .redeem-form .input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,255,60,.16);}
  .redeem-form .btn{height:48px;padding:0 28px;}
  .redeem-note{font-size:13px;line-height:1.8;color:var(--muted);}
  .redeem-note strong{color:var(--text);font-weight:600;}
  @media (min-width:1024px){
    .redeem-panel{grid-template-columns:1.4fr 1fr;align-items:center;gap:28px;}
  }

  /* ---------- 礼包密排 ---------- */
  .gift-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  .gift-card{
    display:flex;flex-direction:column;gap:10px;
    padding:16px;border-radius:14px;
    background:var(--surface);border:1px solid var(--line);
    transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  }
  .gift-card:hover{
    border-color:rgba(184,255,60,.35);
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
  }
  .gift-name{font-size:16px;font-weight:700;line-height:1.45;}
  .gift-meta{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--muted);}
  .gift-meta b{color:var(--text);font-weight:600;}
  .gift-bar{height:6px;border-radius:999px;background:var(--ink-900);overflow:hidden;}
  .gift-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--lime-deep));}
  .gift-foot{display:flex;align-items:center;justify-content:space-between;margin-top:2px;}
  .gift-left{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}
  @media (min-width:520px){.gift-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:768px){.gift-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
  @media (min-width:1024px){.gift-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}

  /* ---------- 活动卡 ---------- */
  .promo-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  .promo-card{
    display:flex;flex-direction:column;overflow:hidden;
    border-radius:var(--radius-card);background:var(--surface);
    border:1px solid var(--line);
    transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  }
  .promo-card:hover{border-color:rgba(184,255,60,.35);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
  .promo-img{aspect-ratio:16/9;overflow:hidden;background:var(--ink-800);}
  .promo-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .promo-card:hover .promo-img img{transform:scale(1.03);}
  .promo-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;}
  .tag{
    display:inline-flex;align-items:center;align-self:flex-start;
    padding:4px 10px;border-radius:999px;
    font-size:11.5px;letter-spacing:.02em;
    color:#C9BCFF;background:rgba(123,92,255,.18);border:1px solid rgba(123,92,255,.32);
  }
  .promo-title{font-size:18px;font-weight:700;line-height:1.45;}
  .promo-desc{font-size:13.5px;line-height:1.75;color:var(--muted);}
  .promo-foot{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:4px;padding-top:12px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;
  }
  @media (min-width:768px){.promo-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}

  /* ---------- 流程 ---------- */
  .step-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  .step-card{
    position:relative;padding:20px;border-radius:var(--radius-card);
    background:var(--ink-800);border:1px solid var(--line);
  }
  .step-num{
    display:block;font-size:26px;font-weight:800;line-height:1;
    color:var(--lime);font-variant-numeric:tabular-nums;margin-bottom:12px;
  }
  .step-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
  .step-card p{font-size:13.5px;line-height:1.75;color:var(--muted);}
  @media (min-width:640px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}

  /* ---------- 适用场景 ---------- */
  .scene-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  .scene-card{
    padding:22px;border-radius:var(--radius-card);
    background:var(--surface);border:1px solid var(--line);
    transition:border-color .18s ease-out,transform .18s ease-out;
  }
  .scene-card:hover{border-color:rgba(184,255,60,.32);transform:translateY(-2px);}
  .scene-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
  .scene-card p{font-size:13.5px;line-height:1.8;color:var(--muted);}
  .scene-card .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-right:8px;vertical-align:middle;}
  @media (min-width:768px){.scene-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 4px;font-size:16px;font-weight:600;cursor:pointer;
    list-style:none;transition:color .18s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";font-size:20px;font-weight:400;color:var(--muted);
    transition:color .18s ease-out,transform .18s ease-out;
  }
  .faq-item summary:hover{color:var(--lime);}
  .faq-item[open] summary{color:var(--lime);}
  .faq-item[open] summary::after{content:"–";color:var(--lime);}
  .faq-body{
    max-width:860px;padding:0 4px 20px;
    font-size:14.5px;line-height:1.85;color:var(--muted);
  }

  /* ---------- CTA 通栏 ---------- */
  .cta-band{
    display:flex;flex-direction:column;gap:20px;
    padding:28px;border-radius:var(--radius-card);
    background:var(--ink-800);border:1px solid rgba(184,255,60,.3);
  }
  .cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35;}
  .cta-band p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  @media (min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;}
    .cta-band p{max-width:560px;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  .footer-brand p{margin-top:16px;max-width:320px;font-size:13.5px;line-height:1.8;color:var(--muted);}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.02em;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col li{font-size:13.5px;color:var(--muted);}
  .footer-col a{color:var(--muted);transition:color .18s ease-out;}
  .footer-col a:hover{color:var(--lime);}
  .footer-col a:focus-visible{outline:2px solid rgba(184,255,60,.5);outline-offset:3px;border-radius:4px;}
  .footer-bottom{
    display:flex;flex-direction:column;gap:8px;
    margin-top:44px;padding:20px 0 26px;
    border-top:1px solid var(--line);
    font-size:12.5px;color:var(--muted);
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;}
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }

/* roulang page: category5 */
:root{
  --ink-900:#0E0D12;
  --ink-800:#16141D;
  --surface:#1D1A26;
  --line:#2C2838;
  --lime:#B8FF3C;
  --lime-deep:#8FDB13;
  --violet:#7B5CFF;
  --amber:#FFB020;
  --text:#F2F0F7;
  --muted:#9C97AD;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-hover:0 10px 28px rgba(0,0,0,.45);
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(184,255,60,.28);color:#fff}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,13,18,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:24px;height:24px;border-radius:7px;flex:none;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  box-shadow:inset 0 0 0 1px rgba(14,13,18,.25);
}
.logo-text{display:flex;align-items:baseline;gap:4px;font-size:16px;white-space:nowrap;line-height:1}
.logo-text strong{font-weight:800;color:var(--text);letter-spacing:-.01em}
.logo-text span{font-size:13px;font-weight:500;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{position:relative;font-size:14px;color:var(--muted);padding:21px 0;transition:color .18s ease-out;white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 12px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:10px;
  color:var(--muted);transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cmd-search:focus-within{border-color:rgba(184,255,60,.55);box-shadow:0 0 0 3px rgba(184,255,60,.15)}
.cmd-search svg{flex:none;opacity:.75}
.cmd-search input{border:0;background:transparent;color:var(--text);font-size:13px;outline:none;width:100%;font-family:var(--font-cn)}
.cmd-search input::placeholder{color:var(--muted)}
.kbd{font-size:11px;line-height:1;border:1px solid var(--line);border-radius:6px;padding:3px 6px;color:var(--muted);flex:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:38px;height:38px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:10px;cursor:pointer;
  transition:border-color .18s ease-out;
}
.nav-toggle:hover{border-color:rgba(184,255,60,.4)}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--ink-900);padding:16px 0 22px}
.mobile-panel.is-open{display:block}
.mobile-panel .m-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;background:var(--ink-800);border:1px solid var(--line);border-radius:10px;margin-bottom:14px}
.mobile-panel .m-search input{background:transparent;border:0;outline:none;color:var(--text);width:100%;font-size:14px;font-family:var(--font-cn)}
.mobile-panel .m-link{display:block;padding:12px 2px;font-size:15px;color:var(--muted);border-bottom:1px solid rgba(44,40,56,.6)}
.mobile-panel .m-link.is-active{color:var(--lime)}
.mobile-panel .btn{width:100%;margin-top:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .12s ease-out,color .18s ease-out;
  white-space:nowrap;line-height:1;
}
.btn-primary{background:var(--lime);color:#0E0D12}
.btn-primary:hover{background:var(--lime-deep);box-shadow:0 6px 20px rgba(184,255,60,.28)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(184,255,60,.42);color:var(--lime)}
.btn-ghost:active{transform:scale(.98)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(184,255,60,.35)}
.btn-lg{height:46px;padding:0 24px;font-size:15px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;font-weight:600;transition:color .18s ease-out}
.link-arrow::after{content:"→";transition:transform .18s ease-out}
.link-arrow:hover{color:var(--lime)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ============ 胶囊/标签 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.pill-lime{background:rgba(184,255,60,.14);color:var(--lime);border:1px solid rgba(184,255,60,.32)}
.pill-violet{background:rgba(123,92,255,.16);color:#B7A6FF;border:1px solid rgba(123,92,255,.34)}
.pill-muted{background:rgba(156,151,173,.12);color:var(--muted);border:1px solid var(--line)}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(14,13,18,.78),rgba(14,13,18,.97)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.14),rgba(184,255,60,0) 68%);
  pointer-events:none;
}
.page-hero > .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:26px 0 0;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:36px 0 64px}
h1.hero-title{
  font-size:clamp(30px,4.8vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;margin:16px 0 0;
}
h1.hero-title .hl{color:var(--lime)}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:var(--muted);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-meta .item strong{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text);line-height:1.2}
.hero-meta .item span{font-size:13px;color:var(--muted)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--ink-800)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .badge-float{
  position:absolute;top:16px;left:16px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(14,13,18,.78);border:1px solid rgba(184,255,60,.4);
  color:var(--lime);font-size:12px;font-weight:700;backdrop-filter:blur(6px);
}
.hero-media .info-float{
  position:absolute;right:14px;bottom:14px;left:14px;
  padding:12px 14px;border-radius:12px;background:rgba(14,13,18,.82);
  border:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.6;
}
.hero-media .info-float strong{color:var(--text);font-weight:700}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
.section-tight{padding:40px 0}
@media (max-width:767px){.section{padding:40px 0}.section-tight{padding:28px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head .heading{display:flex;align-items:center;gap:12px}
.section-head .bar{width:4px;height:22px;border-radius:2px;background:var(--lime);flex:none}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700}
.section-head .desc{font-size:13px;color:var(--muted);margin-top:6px;width:100%;padding-left:16px}

/* ============ 速查卡片 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media (max-width:1023px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.quick-grid{grid-template-columns:1fr}}
.quick-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(184,255,60,.35)}
.quick-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:rgba(123,92,255,.16);
  color:#B7A6FF;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.quick-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.quick-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.quick-card .go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:600;color:var(--lime)}
.quick-card .go::after{content:"→";transition:transform .18s ease-out}
.quick-card:hover .go::after{transform:translateX(4px)}

/* ============ 问答双栏 ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start}
@media (max-width:1023px){.faq-layout{grid-template-columns:1fr;gap:24px}}
.anchor-panel{
  position:sticky;top:88px;background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;
}
@media (max-width:1023px){.anchor-panel{position:static}}
.anchor-panel h2{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--muted);letter-spacing:.02em}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--muted);
  border-left:3px solid transparent;transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.anchor-link:hover{color:var(--text);background:rgba(255,255,255,.035)}
.anchor-link .cnt{font-size:12px;font-variant-numeric:tabular-nums;color:var(--muted);opacity:.8}
.anchor-link.is-current{color:var(--text);background:rgba(184,255,60,.08);border-left-color:var(--lime)}
.anchor-link.is-current .cnt{color:var(--lime)}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7}

.faq-group{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:6px 24px 8px;margin-bottom:22px;scroll-margin-top:88px;
}
.faq-group:last-child{margin-bottom:0}
.group-title{display:flex;align-items:center;gap:10px;padding:22px 0 6px;font-size:20px;font-weight:700}
.group-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--lime);flex:none}
.group-title .pill{margin-left:auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:16px 0 16px 14px;font-size:15.5px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item summary::after{
  content:"+";flex:none;font-size:18px;line-height:1.2;color:var(--muted);font-weight:600;
  transition:color .18s ease-out,transform .18s ease-out;
}
.faq-item summary:hover{color:var(--lime)}
.faq-item[open] summary{color:var(--lime);border-left-color:var(--lime)}
.faq-item[open] summary::after{content:"−";color:var(--lime)}
.faq-answer{padding:0 0 18px 14px;font-size:14.5px;line-height:1.85;color:var(--muted);max-width:70ch}
.faq-answer strong{color:var(--text);font-weight:600}

/* ============ 联系卡 ============ */
.contact-card{
  margin-top:22px;padding:26px;border-radius:var(--radius-card);
  background:linear-gradient(135deg,rgba(123,92,255,.22),rgba(184,255,60,.08)),var(--ink-800);
  border:1px solid rgba(184,255,60,.3);
}
.contact-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.contact-card p{font-size:14px;color:var(--muted);line-height:1.8;max-width:62ch}
.contact-card .row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px}
.contact-card .hours{font-size:13px;color:var(--muted)}
.contact-card .hours strong{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* ============ CTA 通栏 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--ink-800);border:1px solid rgba(184,255,60,.3);
  border-radius:20px;padding:32px;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700}
.cta-band p{font-size:14px;color:var(--muted);margin-top:8px;max-width:58ch}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:600px){.cta-band{padding:24px}.cta-band .actions{width:100%}.cta-band .btn{flex:1}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.8;margin-top:16px;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:13.5px;color:var(--muted)}
.footer-col a{color:var(--muted);font-size:14px;transition:color .18s ease-out}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
@media (max-width:1279px){.kbd{display:none}.cmd-search{width:200px}}
@media (max-width:1023px){
  .nav-links{display:none}
  .cmd-search{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:28px 0 48px}
  .hero-media{order:2}
}