/* roulang page: index */
:root{
  --lime:#B6FF3B;
  --lime-soft:rgba(182,255,59,.14);
  --lime-line:rgba(182,255,59,.35);
  --coral:#FF6B4A;
  --coral-soft:rgba(255,107,74,.14);
  --violet:#7C4DFF;
  --violet-soft:rgba(124,77,255,.16);
  --bg:#0E0B1A;
  --bg-soft:#171226;
  --card:#211A33;
  --input:#120F1F;
  --text:#F7F5FF;
  --text-2:#B8B2CC;
  --text-3:#7E7892;
  --border:rgba(255,255,255,.08);
  --border-2:rgba(255,255,255,.14);
  --r-xl:26px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-hover:0 28px 70px rgba(0,0,0,.5);
  --container:1280px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(560px 420px at 8% 4%,rgba(124,77,255,.16),transparent 70%),
    radial-gradient(520px 380px at 96% 22%,rgba(182,255,59,.09),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.015em;font-weight:800}
p{margin:0}
strong{font-weight:800}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
::selection{background:var(--lime);color:#0E0B1A}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,11,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(14,11,26,.96);border-bottom-color:var(--lime-line)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--lime) 0%,#7CFFB2 42%,var(--violet) 100%);
  position:relative;
  box-shadow:0 6px 22px rgba(182,255,59,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:var(--bg);
}
.brand-text{font-size:17px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 17px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid var(--border-2);
  background:transparent;white-space:nowrap;
  transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease;
}
.chip:hover{color:var(--text);border-color:var(--lime-line);background:rgba(182,255,59,.06)}
.chip.is-active{background:var(--lime);color:#0E0B1A;border-color:var(--lime);font-weight:800}
.chip.is-active:hover{background:var(--lime);color:#0E0B1A}
.header-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border-2);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .22s ease;
}
.nav-toggle:hover{border-color:var(--lime-line)}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.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)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:800;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--lime);color:#0E0B1A;box-shadow:0 8px 26px rgba(182,255,59,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(182,255,59,.34);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{border-color:var(--border-2);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--lime-line);color:var(--lime);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:#0E0B1A;color:#F7F5FF}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(14,11,26,.45)}
.btn-outline-dark{border-color:rgba(14,11,26,.5);color:#0E0B1A}
.btn-outline-dark:hover{background:rgba(14,11,26,.12);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:92px 0 76px;
  background-image:
    linear-gradient(112deg,rgba(14,11,26,.96) 0%,rgba(14,11,26,.82) 42%,rgba(23,18,38,.7) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;width:640px;height:640px;right:-200px;top:-240px;
  background:radial-gradient(circle,rgba(124,77,255,.4),transparent 66%);
  pointer-events:none;
}
.hero::before{
  content:"";position:absolute;width:460px;height:460px;left:-160px;bottom:-220px;
  background:radial-gradient(circle,rgba(182,255,59,.16),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--lime);background:var(--lime-soft);border:1px solid rgba(182,255,59,.24);
}
.hero h1{
  font-size:clamp(28px,4.3vw,54px);
  line-height:1.15;font-weight:900;letter-spacing:-.025em;
  margin-top:22px;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{margin-top:20px;color:var(--text-2);font-size:17px;max-width:620px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.hero-chips .chip{background:rgba(255,255,255,.04)}

.progress-card{
  background:linear-gradient(160deg,#241C38 0%,#171226 100%);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  padding:30px 28px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.progress-card::after{
  content:"";position:absolute;width:220px;height:220px;right:-90px;top:-100px;
  background:radial-gradient(circle,rgba(182,255,59,.22),transparent 68%);
  pointer-events:none;
}
.progress-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:800;letter-spacing:.03em;
}
.badge-lime{background:var(--lime-soft);color:var(--lime);border:1px solid rgba(182,255,59,.3)}
.badge-coral{background:var(--coral-soft);color:var(--coral);border:1px solid rgba(255,107,74,.32)}
.badge-violet{background:var(--violet-soft);color:#B9A0FF;border:1px solid rgba(124,77,255,.36)}
.progress-card__pct{font-size:26px;font-weight:900;color:var(--lime);letter-spacing:-.02em}
.progress-card h3{font-size:19px;margin-top:16px}
.progress-bar{
  height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);
  overflow:hidden;margin-top:16px;
}
.progress-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--lime),#7CFFB2)}
.progress-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.progress-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-2)}
.dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.dot-lime{background:var(--lime);box-shadow:0 0 0 4px rgba(182,255,59,.16)}
.dot-coral{background:var(--coral);box-shadow:0 0 0 4px rgba(255,107,74,.16)}
.dot-violet{background:var(--violet);box-shadow:0 0 0 4px rgba(124,77,255,.18)}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative;scroll-margin-top:90px}
.section--soft{background:var(--bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:46px}
.section-head h2{font-size:clamp(23px,2.6vw,34px);margin-top:16px;letter-spacing:-.02em}
.section-sub{color:var(--text-2);margin-top:12px;max-width:660px;font-size:16px}
.head-note{
  font-size:13px;color:var(--text-3);white-space:nowrap;
  padding:7px 15px;border-radius:var(--r-pill);border:1px dashed var(--border-2);
}

/* ---------- track (玩法步骤) ---------- */
.track{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.track::before{
  content:"";position:absolute;top:25px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(182,255,59,.55),rgba(124,77,255,.45));
  opacity:.6;
}
.track-item{position:relative;z-index:1}
.track-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;
  background:#171226;border:1px solid var(--lime-line);
  color:var(--lime);font-weight:900;font-size:16px;letter-spacing:.02em;
  box-shadow:0 0 0 6px rgba(14,11,26,.9);
}
.track-card{
  margin-top:20px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px 22px;height:calc(100% - 72px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.track-card:hover{transform:translateY(-4px);border-color:var(--lime-line);box-shadow:var(--shadow-hover)}
.track-card h3{font-size:18px}
.track-card p{margin-top:11px;color:var(--text-2);font-size:14.5px;line-height:1.8}

/* ---------- rewards ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.reward-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--lime-line);box-shadow:var(--shadow-hover)}
.reward-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--input)}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.reward-card:hover .reward-media img{transform:scale(1.04)}
.reward-media .rarity{position:absolute;top:12px;left:12px;backdrop-filter:blur(6px)}
.rarity{
  display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:800;letter-spacing:.03em;
}
.rarity-common{background:rgba(14,11,26,.78);color:var(--text-2);border:1px solid var(--border-2)}
.rarity-rare{background:rgba(124,77,255,.28);color:#C6B2FF;border:1px solid rgba(124,77,255,.5)}
.rarity-epic{background:rgba(255,107,74,.24);color:#FFB7A6;border:1px solid rgba(255,107,74,.52)}
.rarity-legend{background:rgba(182,255,59,.22);color:var(--lime);border:1px solid rgba(182,255,59,.5)}
.reward-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-body h3{font-size:16.5px}
.reward-body p{color:var(--text-3);font-size:13.5px;line-height:1.7;margin-top:auto}

/* ---------- tasks ---------- */
.task-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
.panel{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-xl);padding:30px 28px;box-shadow:var(--shadow);
}
.panel h3{font-size:20px;margin-bottom:6px}
.panel-note{color:var(--text-3);font-size:14px;margin-bottom:22px}
.task-list{display:flex;flex-direction:column;gap:12px}
.task{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--r-md);
  background:var(--input);border:1px solid var(--border);
  font-size:14.5px;
  transition:border-color .22s ease,transform .22s ease;
}
.task:hover{transform:translateX(3px);border-color:var(--border-2)}
.task-name{color:var(--text);font-weight:600}
.task-status{margin-left:auto;font-size:13px;font-weight:800;white-space:nowrap}
.task.is-done .task-status{color:var(--lime)}
.task.is-done .dot{background:var(--lime)}
.task.is-doing .task-status{color:var(--coral)}
.task.is-doing .dot{background:var(--coral)}
.task.is-todo .task-status{color:var(--text-3)}
.task.is-todo .dot{background:var(--text-3)}
.milestone{margin-top:26px}
.milestone-track{display:flex;justify-content:space-between;gap:8px;margin-top:14px}
.milestone-node{
  flex:1;text-align:center;font-size:12.5px;color:var(--text-3);
  padding-top:14px;position:relative;
}
.milestone-node::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:12px;height:12px;border-radius:50%;
  background:var(--bg-soft);border:2px solid rgba(255,255,255,.2);
}
.milestone-node.is-done{color:var(--lime)}
.milestone-node.is-done::before{background:var(--lime);border-color:var(--lime);box-shadow:0 0 0 4px rgba(182,255,59,.16)}
.milestone-node.is-now{color:var(--coral)}
.milestone-node.is-now::before{background:var(--coral);border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,107,74,.18)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{
  background:linear-gradient(160deg,#221A36 0%,#171226 100%);
  border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--violet)}
.stat strong{display:block;font-size:32px;font-weight:900;color:var(--lime);letter-spacing:-.03em;line-height:1.1}
.stat span{display:block;margin-top:10px;color:var(--text-2);font-size:14.5px}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--lime-line);box-shadow:var(--shadow-hover)}
.post-card__link{display:flex;flex-direction:column;height:100%;padding:24px 22px 20px}
.tag{
  display:inline-flex;align-self:flex-start;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:800;
  background:var(--violet-soft);color:#BDA6FF;border:1px solid rgba(124,77,255,.34);
}
.post-card__title{
  font-size:17.5px;line-height:1.45;margin-top:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s ease;
}
.post-card:hover .post-card__title{color:var(--lime)}
.post-card__desc{
  margin-top:12px;color:var(--text-3);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:22px;padding-top:16px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);
}
.post-card__meta .arrow{color:var(--lime);font-weight:700;white-space:nowrap}
.empty-state{
  text-align:center;padding:64px 24px;
  border:1px dashed var(--border-2);border-radius:var(--r-xl);
  background:rgba(255,255,255,.02);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--lime-soft);color:var(--lime);font-size:22px;
  border:1px solid rgba(182,255,59,.3);
}
.empty-state p{color:var(--text-2);margin-bottom:20px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:
    linear-gradient(115deg,#B6FF3B 0%,#8CFFA8 40%,#7C4DFF 100%);
  border-radius:var(--r-xl);
  padding:52px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 30px 80px rgba(124,77,255,.26);
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;right:-80px;bottom:-160px;
  background:radial-gradient(circle,rgba(14,11,26,.28),transparent 68%);
}
.cta-band__text{position:relative;z-index:1;max-width:640px}
.cta-band h2{color:#0E0B1A;font-size:clamp(22px,2.5vw,32px);letter-spacing:-.02em}
.cta-band p{color:rgba(14,11,26,.78);margin-top:12px;font-size:15.5px;font-weight:500}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- faq ---------- */
.faq-list{max-width:920px;margin:0 auto;border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 52px 22px 20px;
  font-size:17px;font-weight:700;line-height:1.55;
  border-left:3px solid transparent;
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  color:var(--lime);font-size:23px;font-weight:400;line-height:1;
  transition:transform .22s ease;
}
.faq-item summary:hover{background:rgba(255,255,255,.02);border-left-color:var(--border-2)}
.faq-item[open] summary{color:var(--lime);border-left-color:var(--lime)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 52px 26px 20px;color:var(--text-2);font-size:15.5px;line-height:1.85}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg);border-top:1px solid var(--border);
  padding:72px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px}
.footer-brand .brand{margin-bottom:20px}
.footer-brand p{color:var(--text-3);font-size:14.5px;line-height:1.85;max-width:420px}
.footer-col h4{font-size:15px;letter-spacing:.02em;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--text-3);font-size:14.5px;transition:color .22s ease,padding-left .22s ease}
.footer-col a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  color:var(--text-3);font-size:13.5px;flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .nav-chips{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:8px;
    padding:18px 24px 24px;overflow:visible;
    background:rgba(23,18,38,.99);
    border-bottom:1px solid var(--lime-line);
    box-shadow:0 24px 48px rgba(0,0,0,.5);
  }
  .nav-chips.is-open{display:flex}
  .nav-chips .chip{width:100%;justify-content:flex-start;padding:13px 18px;font-size:15px}
  .hero{padding:68px 0 58px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .track{grid-template-columns:repeat(2,1fr);gap:28px}
  .track::before{display:none}
  .track-card{height:auto}
  .reward-grid{grid-template-columns:repeat(3,1fr)}
  .task-layout{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:34px}
  .head-note{align-self:flex-start}
  .hero h1{font-size:clamp(27px,7vw,36px)}
  .hero-lead{font-size:15.5px}
  .reward-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .post-grid{grid-template-columns:1fr}
  .track{grid-template-columns:1fr}
  .cta-band{padding:36px 26px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .faq-item summary{padding:18px 44px 18px 16px;font-size:16px}
  .faq-answer{padding:0 44px 22px 16px;font-size:15px}
  .panel{padding:24px 20px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .header-inner{height:64px;gap:14px}
  .brand-text{font-size:15.5px}
  .btn{padding:12px 22px;font-size:14.5px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:20px 18px}
  .stat strong{font-size:26px}
  .cta-band__actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --lime:#B6FF3B;
  --lime-dim:rgba(182,255,59,.16);
  --coral:#FF6B4A;
  --coral-dim:rgba(255,107,74,.16);
  --violet:#7C4DFF;
  --violet-dim:rgba(124,77,255,.18);
  --bg:#0E0B1A;
  --bg-section:#171226;
  --bg-card:#211A33;
  --bg-input:#120F1F;
  --text:#F7F5FF;
  --text-2:#B8B2CC;
  --text-3:#7E7892;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --radius-card:22px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.35);
  --shadow-hover:0 28px 70px rgba(0,0,0,.5);
  --container:1280px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  background-image:radial-gradient(circle at 12% -6%,rgba(124,77,255,.22),transparent 46%),radial-gradient(circle at 88% 4%,rgba(182,255,59,.10),transparent 42%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--lime);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#d3ff7d;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:900;letter-spacing:-.02em;line-height:1.2;margin:0;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
::selection{background:var(--lime);color:#0E0B1A;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,11,26,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(14,11,26,.96);
  border-bottom-color:rgba(182,255,59,.35);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:70px;padding:10px 24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--lime) 0%,#7CE86A 42%,var(--violet) 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 8px 22px rgba(124,77,255,.4);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:5px;
  background:rgba(14,11,26,.82);
}
.brand-text{font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;overflow-x:auto;scrollbar-width:none;
  padding:4px 0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  padding:8px 16px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:700;color:var(--text-2);
  border:1px solid var(--border-strong);
  background:transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.chip:hover{color:var(--text);border-color:rgba(182,255,59,.55);background:rgba(182,255,59,.07);}
.chip.is-active{background:var(--lime);color:#0E0B1A;border-color:var(--lime);box-shadow:0 8px 24px rgba(182,255,59,.28);}
.header-cta{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border-strong);background:transparent;
  padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"]{border-color:var(--lime);}
.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);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:800;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0E0B1A;box-shadow:0 14px 34px rgba(182,255,59,.26);}
.btn-primary:hover{background:#c8ff62;color:#0E0B1A;transform:translateY(-2px);box-shadow:0 20px 44px rgba(182,255,59,.36);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(182,255,59,.24);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong);}
.btn-ghost:hover{border-color:var(--violet);color:var(--text);background:var(--violet-dim);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--border);
  background-image:linear-gradient(115deg,rgba(14,11,26,.94) 0%,rgba(14,11,26,.78) 46%,rgba(23,18,38,.72) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,59,.24),transparent 68%);pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;padding-top:30px;padding-bottom:36px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--text-2);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-hero{max-width:880px;}
.eyebrow-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:800;letter-spacing:.02em;
}
.tag-lime{background:var(--lime-dim);color:var(--lime);border:1px solid rgba(182,255,59,.4);}
.tag-violet{background:var(--violet-dim);color:#c3aeff;border:1px solid rgba(124,77,255,.42);}
.tag-coral{background:var(--coral-dim);color:var(--coral);border:1px solid rgba(255,107,74,.4);}
.article-hero h1{font-size:clamp(28px,4.4vw,50px);line-height:1.18;margin-bottom:18px;}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
  font-size:14px;color:var(--text-3);
  padding-top:18px;border-top:1px dashed var(--border-strong);
}
.article-meta strong{color:var(--text-2);font-weight:700;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--text-3);display:inline-block;}

/* ---------- reading layout ---------- */
.reading-wrap{padding:56px 0 24px;}
.reading-shell{
  max-width:820px;margin:0 auto;
  background:linear-gradient(180deg,rgba(33,26,51,.9),rgba(23,18,38,.7));
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:44px 46px 40px;
}
.article-body{font-size:17.5px;line-height:1.9;color:#E4E0F2;}
.article-body > * + *{margin-top:1.35em;}
.article-body p{margin:0;}
.article-body h2{
  font-size:27px;margin-top:2.1em;margin-bottom:.7em;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;
  background:linear-gradient(180deg,var(--lime),var(--violet));
}
.article-body h3{font-size:21px;margin-top:1.7em;margin-bottom:.6em;color:var(--text);}
.article-body h4{font-size:18px;margin-top:1.4em;margin-bottom:.5em;color:var(--text-2);}
.article-body ul,.article-body ol{padding-left:1.35em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.5em 0;padding-left:.25em;}
.article-body li::marker{color:var(--lime);font-weight:800;}
.article-body blockquote{
  margin:1.8em 0;padding:20px 24px;
  border-left:4px solid var(--lime);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(182,255,59,.06);color:var(--text-2);
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:var(--radius-sm);margin:1.6em auto;box-shadow:0 16px 40px rgba(0,0,0,.4);}
.article-body a{color:var(--lime);border-bottom:1px solid rgba(182,255,59,.45);}
.article-body a:hover{color:#d3ff7d;border-bottom-color:#d3ff7d;}
.article-body strong{color:#fff;font-weight:800;}
.article-body hr{border:0;border-top:1px solid var(--border-strong);margin:2.2em 0;}
.article-body code{
  background:var(--bg-input);border:1px solid var(--border);
  padding:2px 7px;border-radius:8px;font-size:15px;color:var(--lime);
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
}
.article-body pre{
  background:var(--bg-input);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:18px 20px;overflow-x:auto;font-size:14.5px;
}
.article-body pre code{background:none;border:0;padding:0;color:#DCD7F0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;
  border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;font-size:15.5px;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left;}
.article-body th{background:rgba(124,77,255,.14);color:var(--text);font-weight:800;}
.article-body tr:last-child td{border-bottom:0;}

.empty-state{
  text-align:center;padding:60px 26px;
  border:1px dashed var(--border-strong);border-radius:var(--radius-card);
  background:rgba(23,18,38,.6);
}
.empty-state .empty-icon{
  width:58px;height:58px;margin:0 auto 20px;border-radius:18px;
  background:linear-gradient(135deg,var(--violet),var(--lime));
  opacity:.85;
}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{color:var(--text-2);max-width:520px;margin:0 auto 24px;}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ---------- section base ---------- */
.section{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--lime);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime);display:block;}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16.5px;}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(182,255,59,.4);}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-input);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;border-radius:0;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .card-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(14,11,26,.82);border:1px solid rgba(182,255,59,.45);
  color:var(--lime);font-size:12.5px;font-weight:800;backdrop-filter:blur(6px);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;}
.card-body p{color:var(--text-2);font-size:15px;line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-3);}
.card-link{font-weight:800;color:var(--lime);font-size:14px;}
.card-link::after{content:" →";}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:26px;border:1px solid rgba(182,255,59,.28);
  background-image:linear-gradient(120deg,rgba(124,77,255,.28),rgba(14,11,26,.9) 55%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:46px 44px;
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:80px;background:#0E0B1A;
  border-top:1px solid var(--border);
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
.footer-col h4{font-size:15px;letter-spacing:.06em;color:var(--text);margin-bottom:16px;font-weight:800;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{color:var(--text-2);font-size:14.5px;}
.footer-col li a:hover{color:var(--lime);}
.footer-brand p{color:var(--text-3);font-size:14.5px;line-height:1.8;margin-top:16px;max-width:420px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  color:var(--text-3);font-size:13.5px;
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .header-inner{min-height:64px;padding:10px 20px;}
  .nav-toggle{display:flex;order:2;margin-left:auto;}
  .header-cta{order:1;display:none;}
  .nav-chips{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:8px;
    background:rgba(14,11,26,.98);border-bottom:1px solid var(--border);
    padding:16px 20px 22px;
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;
    transition:max-height .3s ease,opacity .25s ease,padding .3s ease;
  }
  .nav-chips.is-open{max-height:420px;opacity:1;pointer-events:auto;}
  .chip{width:100%;text-align:center;padding:12px 16px;font-size:15px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .reading-shell{padding:30px 22px 28px;border-radius:18px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .page-banner .container{padding-top:22px;padding-bottom:28px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
  .section{padding:48px 0;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .site-footer{margin-top:56px;padding:44px 0 24px;}
}
@media (max-width:520px){
  .brand-text{font-size:16.5px;}
  .brand-mark{width:28px;height:28px;border-radius:9px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .article-hero h1{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#0E0B1A;
  --bg-2:#171226;
  --card:#211A33;
  --input:#120F1F;
  --text:#F7F5FF;
  --muted:#B8B2CC;
  --weak:#7E7892;
  --lime:#B6FF3B;
  --coral:#FF6B4A;
  --violet:#7C4DFF;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --r-card:22px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-hover:0 26px 70px rgba(0,0,0,.5);
  --container:1280px;
  --section:88px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.22;letter-spacing:-.02em;font-weight:800;}
p{margin:0;}
::selection{background:rgba(182,255,59,.28);color:#fff;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-primary{background:var(--lime);color:#0E0B1A;box-shadow:0 12px 32px rgba(182,255,59,.24);}
.btn-primary:hover{background:#C7FF63;transform:translateY(-2px);box-shadow:0 18px 44px rgba(182,255,59,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(124,77,255,.55);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.btn-violet{background:linear-gradient(135deg,var(--violet),#5B2EE0);color:#fff;box-shadow:0 14px 36px rgba(124,77,255,.3);}
.btn-violet:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(124,77,255,.42);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,11,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(14,11,26,.96);box-shadow:0 14px 40px rgba(0,0,0,.5);border-bottom-color:rgba(182,255,59,.28);}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text);white-space:nowrap;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--lime),var(--violet));
  box-shadow:0 0 20px rgba(182,255,59,.36);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:4px;background:#0E0B1A;}
.brand-text{letter-spacing:-.02em;}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto;}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);
  background:transparent;border:1px solid rgba(124,77,255,.34);
  white-space:nowrap;
}
.chip:hover{color:var(--text);border-color:rgba(182,255,59,.55);background:rgba(182,255,59,.06);}
.chip.is-active{background:var(--lime);color:#0E0B1A;border-color:transparent;box-shadow:0 10px 26px rgba(182,255,59,.24);}
.header-cta{margin-left:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(33,26,51,.9);border:1px solid var(--border);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.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);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--weak);padding:22px 0 0;
}
.breadcrumb a{color:var(--weak);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--lime);font-weight:600;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-bottom:var(--section);}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(14,11,26,.72),rgba(14,11,26,.94) 68%,var(--bg)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.9;z-index:0;
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.36),transparent 68%);
  filter:blur(20px);z-index:0;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding-top:52px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(124,77,255,.16);border:1px solid rgba(124,77,255,.42);
  color:#D6C8FF;font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);}
.hero h1{font-size:clamp(30px,4vw,52px);font-weight:900;line-height:1.18;letter-spacing:-.03em;}
.hero h1 .hl{color:var(--lime);}
.hero-sub{margin-top:20px;color:var(--muted);font-size:17px;max-width:640px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;border-top:1px solid var(--border);}
.fact-num{font-size:26px;font-weight:900;color:var(--lime);letter-spacing:-.02em;}
.fact-label{font-size:13.5px;color:var(--weak);margin-top:2px;}

/* 进度卡 */
.progress-card{
  background:linear-gradient(160deg,rgba(33,26,51,.96),rgba(23,18,38,.96));
  border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.progress-card::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,59,.22),transparent 70%);
}
.progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.progress-head h3{font-size:19px;}
.badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;}
.badge-lime{background:rgba(182,255,59,.16);color:var(--lime);border:1px solid rgba(182,255,59,.34);}
.badge-coral{background:rgba(255,107,74,.16);color:var(--coral);border:1px solid rgba(255,107,74,.36);}
.badge-violet{background:rgba(124,77,255,.18);color:#C9B8FF;border:1px solid rgba(124,77,255,.42);}
.progress-bar{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);margin:20px 0 8px;overflow:hidden;}
.progress-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--lime),#8CFF9E);box-shadow:0 0 16px rgba(182,255,59,.5);}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--weak);}
.node-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.node-item{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--muted);}
.node-dot{width:10px;height:10px;border-radius:50%;margin-top:8px;flex:0 0 auto;background:var(--weak);}
.node-dot.done{background:var(--lime);box-shadow:0 0 12px rgba(182,255,59,.6);}
.node-dot.now{background:var(--coral);box-shadow:0 0 12px rgba(255,107,74,.6);}
.node-item strong{color:var(--text);font-weight:700;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--lime);text-transform:uppercase;margin-bottom:14px;
}
.section-tag::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
.section-head h2{font-size:clamp(23px,2.6vw,34px);font-weight:900;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(182,255,59,.34);}
.card-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;font-weight:900;font-size:15px;
  background:rgba(182,255,59,.14);color:var(--lime);border:1px solid rgba(182,255,59,.32);
  margin-bottom:16px;
}
.card-index.violet{background:rgba(124,77,255,.16);color:#C9B8FF;border-color:rgba(124,77,255,.4);}
.card-index.coral{background:rgba(255,107,74,.16);color:var(--coral);border-color:rgba(255,107,74,.36);}
.card h3{font-size:19.5px;margin-bottom:12px;}
.card p{color:var(--muted);font-size:15.5px;}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.card-list li{position:relative;padding-left:18px;color:var(--weak);font-size:14.5px;}
.card-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--violet);}

/* 图文卡 */
.media-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);height:100%;
  display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(124,77,255,.42);}
.media-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--input);}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.media-card:hover .media-thumb img{transform:scale(1.04);}
.media-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,26,0) 40%,rgba(14,11,26,.72));}
.media-badge{position:absolute;top:14px;left:14px;z-index:2;}
.media-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.media-body h3{font-size:19px;}
.media-body p{color:var(--muted);font-size:15px;flex:1;}
.media-foot{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--weak);border-top:1px solid var(--border);padding-top:14px;}
.media-foot .go{color:var(--lime);font-weight:700;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:10px;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--lime),var(--violet),rgba(124,77,255,0));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:3px solid var(--lime);box-shadow:0 0 0 4px rgba(182,255,59,.12);
}
.tl-item.violet::before{border-color:var(--violet);box-shadow:0 0 0 4px rgba(124,77,255,.14);}
.tl-item.coral::before{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,107,74,.14);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-head h3{font-size:20px;}
.tl-item p{color:var(--muted);font-size:15.5px;max-width:860px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--border-strong);
}
.tag-lime{color:var(--lime);border-color:rgba(182,255,59,.34);background:rgba(182,255,59,.08);}
.tag-violet{color:#C9B8FF;border-color:rgba(124,77,255,.42);background:rgba(124,77,255,.1);}
.tag-coral{color:var(--coral);border-color:rgba(255,107,74,.36);background:rgba(255,107,74,.08);}

/* 规则区两列 */
.rule-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.rule-text h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:18px;}
.rule-text p{color:var(--muted);font-size:16px;margin-bottom:16px;}
.rule-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.rule-visual{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);position:relative;
}
.rule-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rule-visual .caption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  background:linear-gradient(180deg,rgba(14,11,26,0),rgba(14,11,26,.92));
  font-size:14px;color:var(--muted);
}

/* 对照卡 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{border-radius:var(--r-card);padding:26px;border:1px solid var(--border);background:var(--card);}
.compare-card.bad{border-color:rgba(255,107,74,.36);}
.compare-card.good{border-color:rgba(182,255,59,.34);}
.compare-card h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.compare-card.bad h3{color:var(--coral);}
.compare-card.good h3{color:var(--lime);}
.compare-card li{
  position:relative;padding-left:20px;color:var(--muted);font-size:15px;margin-bottom:12px;line-height:1.7;
}
.compare-card li:last-child{margin-bottom:0;}
.compare-card.bad li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--coral);}
.compare-card.good li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--lime);}

/* 提醒条 */
.notice-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:linear-gradient(120deg,rgba(255,107,74,.14),rgba(124,77,255,.14));
  border:1px solid rgba(255,107,74,.3);border-radius:var(--r-card);
  padding:22px 26px;
}
.notice-bar .notice-text{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.notice-bar strong{font-size:16.5px;}
.notice-bar span{color:var(--muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq details{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq details[open]{border-color:rgba(182,255,59,.36);background:linear-gradient(180deg,rgba(182,255,59,.05),rgba(33,26,51,1));}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 24px 20px 28px;
  font-size:17px;font-weight:700;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:transparent;transition:background .25s ease;
}
.faq details[open] summary::before{background:var(--lime);}
.faq summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--lime);flex:0 0 auto;
  transition:transform .25s ease;
}
.faq details[open] summary::after{content:"–";transform:rotate(180deg);}
.faq .answer{padding:0 26px 22px 28px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  background:linear-gradient(120deg,rgba(182,255,59,.16),rgba(124,77,255,.22) 55%,rgba(255,107,74,.16));
  border:1px solid rgba(255,255,255,.12);
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,59,.28),transparent 70%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);max-width:620px;}
.cta-band p{color:var(--muted);margin-top:14px;max-width:640px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--border);padding:64px 0 28px;margin-top:var(--section);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;}
.footer-brand p{color:var(--weak);font-size:15px;margin-top:18px;max-width:400px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:var(--weak);font-size:14.5px;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  color:var(--weak);font-size:13.5px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  :root{--section:64px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-cta{display:none;}
  .nav-chips{
    position:fixed;top:72px;left:0;right:0;
    margin-left:0;flex-direction:column;align-items:stretch;gap:10px;
    background:rgba(14,11,26,.98);backdrop-filter:blur(18px);
    padding:20px 24px 26px;border-bottom:1px solid rgba(182,255,59,.22);
    transform:translateY(-12px);opacity:0;pointer-events:none;visibility:hidden;
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-chips.is-open{transform:translateY(0);opacity:1;pointer-events:auto;visibility:visible;}
  .chip{width:100%;justify-content:flex-start;padding:13px 18px;font-size:15px;}
  .header-cta-mobile{display:block;}
  .rule-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .compare-grid{grid-template-columns:1fr;}
  .cta-band{padding:38px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  :root{--section:52px;}
  .hero-inner{padding-top:34px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .hero-facts{gap:20px;}
  .fact-num{font-size:22px;}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .timeline{padding-left:30px;}
  .timeline::before{left:8px;}
  .tl-item::before{left:-29px;width:14px;height:14px;}
  .card{padding:22px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px;}
  .hero h1{font-size:27px;}
  .section-head h2{font-size:22px;}
  .notice-bar{padding:18px;}
  .faq summary{padding:18px 18px 18px 22px;font-size:15.5px;}
  .faq .answer{padding:0 20px 20px 22px;}
}

/* roulang page: category2 */
:root{
  --lime:#B6FF3B;
  --lime-dim:rgba(182,255,59,.16);
  --lime-line:rgba(182,255,59,.45);
  --coral:#FF6B4A;
  --coral-dim:rgba(255,107,74,.16);
  --violet:#7C4DFF;
  --violet-dim:rgba(124,77,255,.18);
  --bg:#0E0B1A;
  --bg-block:#171226;
  --bg-card:#211A33;
  --bg-input:#120F1F;
  --text:#F7F5FF;
  --text-2:#B8B2CC;
  --text-3:#7E7892;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-card:22px;
  --r-btn:999px;
  --r-sm:14px;
  --r-badge:999px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-hover:0 28px 70px rgba(0,0,0,.52);
  --sect:88px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--lime);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;letter-spacing:-.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
::selection{background:var(--lime);color:#0E0B1A;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,11,26,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,8,21,.95);
  border-bottom-color:var(--lime-line);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--lime) 0%,#5FE38B 45%,var(--violet) 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.12), 0 8px 22px rgba(182,255,59,.24);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 9px auto 9px;height:2px;border-radius:2px;
  background:#0E0B1A;box-shadow:0 6px 0 #0E0B1A, 0 12px 0 rgba(14,11,26,.65);
}
.brand-text{font-weight:800;font-size:18px;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand:hover .brand-text{color:var(--lime);}

.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
  padding:6px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-badge);
  font-size:14.5px;font-weight:600;color:var(--text-2);
  background:transparent;border:1px solid var(--line-strong);
  transition:all .2s ease;
}
.chip:hover{color:var(--text);border-color:var(--lime-line);background:var(--violet-dim);}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:#0E0B1A;font-weight:700;box-shadow:0 8px 22px rgba(182,255,59,.22);}
.header-cta{flex:0 0 auto;display:flex;align-items:center;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;
  border-radius:var(--r-btn);
  font-weight:700;font-size:15px;
  padding:13px 26px;
  transition:transform .18s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--lime);color:#0E0B1A;box-shadow:0 12px 28px rgba(182,255,59,.22);}
.btn-primary:hover{background:#C6FF61;color:#0E0B1A;box-shadow:0 16px 36px rgba(182,255,59,.34);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(182,255,59,.24);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{color:var(--lime);border-color:var(--lime-line);background:var(--lime-dim);transform:translateY(-2px);}
.btn-violet{background:var(--violet);color:#fff;box-shadow:0 12px 28px rgba(124,77,255,.3);}
.btn-violet:hover{background:#8E63FF;color:#fff;transform:translateY(-2px);}

.nav-toggle{
  display:none;flex:0 0 auto;
  width:44px;height:44px;border-radius:14px;
  background:var(--bg-card);border:1px solid var(--line-strong);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s ease;}
.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);}

/* 面包屑 */
.crumb-wrap{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--text-2);font-weight:600;}

/* 分类 Hero */
.page-hero{
  position:relative;overflow:hidden;
  margin-top:20px;border-radius:28px;
  border:1px solid var(--line);
  background-color:#140F24;
  background-image:linear-gradient(100deg, rgba(14,11,26,.96) 0%, rgba(14,11,26,.82) 46%, rgba(124,77,255,.34) 100%), url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-120px;width:380px;height:380px;
  background:radial-gradient(circle, rgba(182,255,59,.22) 0%, rgba(182,255,59,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;
  padding:56px 52px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  background:var(--coral-dim);border:1px solid rgba(255,107,74,.4);
  color:#FFB8A6;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:block;}
.hero-title{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:900;letter-spacing:-.03em;line-height:1.16;
  margin:20px 0 0;
}
.hero-title em{font-style:normal;color:var(--lime);}
.hero-sub{
  margin-top:18px;max-width:600px;
  color:var(--text-2);font-size:16.5px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13.5px;color:var(--text-3);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta b{color:var(--text);font-weight:700;}

.progress-card{
  background:rgba(33,26,51,.86);
  border:1px solid var(--line-strong);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(6px);
}
.progress-card h3{font-size:19px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-lime{background:var(--lime-dim);color:var(--lime);border:1px solid var(--lime-line);}
.badge-coral{background:var(--coral-dim);color:#FFB8A6;border:1px solid rgba(255,107,74,.42);}
.badge-violet{background:var(--violet-dim);color:#C4AEFF;border:1px solid rgba(124,77,255,.45);}
.badge-mute{background:rgba(255,255,255,.05);color:var(--text-3);border:1px solid var(--line);}

.bar{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:18px;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),#6BF1A0);box-shadow:0 0 18px rgba(182,255,59,.5);}
.bar-fill.is-coral{background:linear-gradient(90deg,var(--coral),#FF9C7E);box-shadow:0 0 18px rgba(255,107,74,.45);}
.bar-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-3);margin-top:10px;}
.bar-row b{color:var(--text);}

.nodes{display:flex;justify-content:space-between;margin-top:20px;position:relative;}
.nodes::before{content:"";position:absolute;left:10px;right:10px;top:7px;height:2px;background:var(--line-strong);}
.node{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12px;color:var(--text-3);z-index:1;}
.node i{width:16px;height:16px;border-radius:50%;background:var(--bg-card);border:2px solid var(--line-strong);display:block;}
.node.is-done i{background:var(--lime);border-color:var(--lime);box-shadow:0 0 14px rgba(182,255,59,.6);}
.node.is-now i{background:var(--coral);border-color:var(--coral);box-shadow:0 0 14px rgba(255,107,74,.6);}
.node.is-done,.node.is-now{color:var(--text-2);}
.reward-tagline{
  margin-top:22px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(124,77,255,.14);border:1px dashed rgba(124,77,255,.5);
  font-size:14px;color:#CFC2FF;
}

/* 通用板块 */
.section{padding:var(--sect) 0 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--violet);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(23px,2.6vw,34px);font-weight:900;letter-spacing:-.025em;}
.section-title em{font-style:normal;color:var(--lime);}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85;}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px;
  box-shadow:var(--shadow);transition:transform .22s ease, border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--lime-line);}
.stat-num{font-size:34px;font-weight:900;letter-spacing:-.03em;color:var(--lime);line-height:1.1;}
.stat-num.is-coral{color:var(--coral);}
.stat-num.is-violet{color:#A98BFF;}
.stat-num.is-plain{color:var(--text);}
.stat-label{margin-top:10px;font-size:14.5px;font-weight:700;color:var(--text);}
.stat-desc{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* 筛选 */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;margin-bottom:30px;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;}
.fchip{
  padding:9px 18px;border-radius:var(--r-badge);
  border:1px solid var(--line-strong);background:transparent;
  color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .2s ease;
}
.fchip:hover{color:var(--text);border-color:var(--violet);background:var(--violet-dim);}
.fchip.is-active{background:var(--violet);border-color:var(--violet);color:#fff;box-shadow:0 10px 24px rgba(124,77,255,.28);}
.filter-note{font-size:13.5px;color:var(--text-3);}

/* 奖励图鉴 */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.reward-card{
  display:flex;flex-direction:column;
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.reward-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(182,255,59,.4);}
.reward-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-input);}
.reward-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.reward-card:hover .reward-cover img{transform:scale(1.03);}
.reward-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,26,0) 40%,rgba(14,11,26,.78) 100%);}
.rarity{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 12px;border-radius:var(--r-badge);
  font-size:12px;font-weight:800;letter-spacing:.04em;
  backdrop-filter:blur(4px);
}
.r-common{background:rgba(126,120,146,.28);color:#D5D0E4;border:1px solid rgba(255,255,255,.2);}
.r-rare{background:rgba(124,77,255,.3);color:#CDB9FF;border:1px solid rgba(124,77,255,.6);}
.r-epic{background:rgba(255,107,74,.28);color:#FFC0B0;border:1px solid rgba(255,107,74,.6);}
.r-legend{background:rgba(182,255,59,.24);color:var(--lime);border:1px solid rgba(182,255,59,.65);}
.reward-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.reward-name{font-size:18px;font-weight:800;letter-spacing:-.01em;}
.reward-cond{font-size:14px;color:var(--text-2);line-height:1.75;min-height:48px;}
.reward-progress{margin-top:auto;}
.reward-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.reward-foot .state{display:inline-flex;align-items:center;gap:6px;font-weight:700;}
.state-ok{color:var(--lime);}
.state-run{color:var(--coral);}
.state-wait{color:var(--text-3);}
.arrow-link{color:var(--text-2);font-weight:700;}
.arrow-link:hover{color:var(--lime);}

/* 横向滚动内容组 */
.scroll-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);
  gap:22px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.scroll-rail::-webkit-scrollbar{height:6px;}
.scroll-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.rail-card{
  scroll-snap-align:start;
  background:var(--bg-block);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s ease, border-color .24s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:var(--coral);}
.rail-card img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.rail-body{padding:20px;}
.rail-body h3{font-size:18px;margin-bottom:10px;}
.rail-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.rail-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--text-3);}

/* 时间轴 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--lime),var(--violet),rgba(124,77,255,0));}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:20px;height:20px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);box-shadow:0 0 0 4px rgba(182,255,59,.12);
}
.tl-item.is-violet::before{border-color:var(--violet);box-shadow:0 0 0 4px rgba(124,77,255,.16);}
.tl-item.is-coral::before{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,107,74,.16);}
.tl-step{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--text-3);}
.tl-title{font-size:20px;font-weight:800;margin-top:8px;}
.tl-desc{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:820px;}

/* 规则要点 */
.rule-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start;}
.rule-list{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:14px 26px;box-shadow:var(--shadow);}
.rule-list li{
  display:flex;gap:14px;padding:20px 0;border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--text-2);line-height:1.8;
}
.rule-list li:last-child{border-bottom:0;}
.rule-list li b{color:var(--text);font-weight:800;}
.rule-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;margin-top:4px;
  background:var(--lime-dim);border:1px solid var(--lime-line);color:var(--lime);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.notice-card{
  background:linear-gradient(160deg,rgba(255,107,74,.16),rgba(33,26,51,.9));
  border:1px solid rgba(255,107,74,.35);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);
}
.notice-card h3{font-size:19px;margin-bottom:12px;}
.notice-card p{font-size:14.5px;color:#F0DAD4;line-height:1.82;}
.notice-card .btn{margin-top:20px;}

/* FAQ */
.faq{max-width:920px;}
.faq details{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease;
}
.faq details[open]{border-color:var(--lime-line);box-shadow:0 0 0 1px rgba(182,255,59,.18);}
.faq summary{
  cursor:pointer;list-style:none;
  padding:20px 24px;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:0 0 auto;color:var(--lime);font-size:22px;font-weight:800;line-height:1;
  transition:transform .2s ease;
}
.faq details[open] summary::after{content:"–";}
.faq .faq-a{
  padding:0 24px 22px;border-left:3px solid var(--lime);
  margin:0 0 0 24px;color:var(--text-2);font-size:15.5px;line-height:1.85;
}

/* CTA 横幅 */
.cta-band{
  margin-top:var(--sect);
  border-radius:28px;overflow:hidden;position:relative;
  background:linear-gradient(115deg,rgba(182,255,59,.94) 0%,rgba(124,77,255,.94) 62%,rgba(255,107,74,.9) 100%);
  padding:52px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{color:#0E0B1A;font-size:clamp(24px,3vw,36px);font-weight:900;letter-spacing:-.03em;line-height:1.2;}
.cta-band p{margin-top:14px;color:rgba(14,11,26,.82);font-size:16px;font-weight:500;max-width:640px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.btn-dark{background:#120F1F;color:var(--text);}
.btn-dark:hover{background:#1B1530;color:var(--lime);transform:translateY(-2px);}
.btn-outline-dark{background:rgba(14,11,26,.08);color:#0E0B1A;border-color:rgba(14,11,26,.35);}
.btn-outline-dark:hover{background:rgba(14,11,26,.16);color:#0E0B1A;transform:translateY(-2px);}

/* 分类交叉入口 */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cross-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);
  transition:transform .22s ease, border-color .22s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--violet);}
.cross-card h3{font-size:19px;}
.cross-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.cross-card .arrow-link{margin-top:6px;}

/* 页脚 */
.site-footer{
  margin-top:var(--sect);
  background:#0E0B1A;border-top:1px solid var(--line);
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;}
.footer-brand p{margin-top:18px;color:var(--text-3);font-size:14.5px;line-height:1.85;max-width:420px;}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:18px;color:var(--text);}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{color:var(--text-2);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:38px;text-align:center;color:var(--text-3);font-size:14.5px;
}

/* 响应式 */
@media (max-width:1279px){
  .reward-grid{grid-template-columns:repeat(3,1fr);}
  .stat-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:1023px){
  :root{--sect:64px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:42px 32px;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .rule-layout{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-band .cta-actions{justify-content:flex-start;}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .nav-toggle{display:flex;order:3;}
  .header-cta{order:2;margin-left:auto;}
  .nav-chips{
    position:fixed;left:0;right:0;top:70px;z-index:59;
    flex-direction:column;align-items:stretch;gap:10px;
    background:rgba(14,11,26,.98);
    border-bottom:1px solid var(--line);
    padding:20px 24px 26px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .22s ease, opacity .22s ease;
    max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .nav-chips.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .chip{justify-content:center;padding:12px 16px;font-size:15px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .page-hero{border-radius:22px;}
  .hero-grid{padding:32px 22px;}
  .hero-actions .btn{flex:1 1 auto;}
  .reward-grid{grid-template-columns:1fr;}
  .scroll-rail{grid-auto-columns:minmax(260px,86%);}
  .cross-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .brand-text{font-size:16px;}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .faq summary{font-size:16px;padding:17px 18px;}
  .faq .faq-a{margin-left:18px;padding:0 18px 20px;}
  .section-title{font-size:23px;}
}

/* roulang page: category3 */
:root{
  --brand:#B6FF3B;
  --brand-soft:rgba(182,255,59,.12);
  --brand-line:rgba(182,255,59,.35);
  --coral:#FF6B4A;
  --coral-soft:rgba(255,107,74,.14);
  --purple:#7C4DFF;
  --purple-soft:rgba(124,77,255,.16);
  --bg:#0E0B1A;
  --bg-section:#171226;
  --card:#211A33;
  --input:#120F1F;
  --text:#F7F5FF;
  --muted:#B8B2CC;
  --faint:#7E7892;
  --line:rgba(255,255,255,.08);
  --radius-card:22px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-hover:0 26px 70px rgba(0,0,0,.48);
  --container:1280px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:800}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,11,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(14,11,26,.97);border-bottom-color:var(--brand-line)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--purple));
  box-shadow:0 0 20px rgba(182,255,59,.35);
}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:4px;background:#0E0B1A}
.brand-text{font-size:18px;font-weight:900;letter-spacing:-.03em;white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex:1;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:none;padding:8px 16px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:var(--muted);
  border:1px solid rgba(124,77,255,.38);
  transition:color .25s,border-color .25s,background .25s,transform .25s;
}
.chip:hover{color:var(--text);border-color:var(--brand-line);background:var(--brand-soft)}
.chip.is-active{
  background:var(--brand);color:#0E0B1A;border-color:var(--brand);
  box-shadow:0 8px 24px rgba(182,255,59,.22);
}
.header-cta{flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--input);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s,filter .25s;
}
.btn-primary{background:var(--brand);color:#0E0B1A;box-shadow:0 14px 34px rgba(182,255,59,.22)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 20px 44px rgba(182,255,59,.3)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--faint)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.18)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:48px 0 76px;
  background:
    radial-gradient(900px 460px at 88% 8%,rgba(124,77,255,.32),transparent 62%),
    linear-gradient(115deg,rgba(14,11,26,.95) 12%,rgba(14,11,26,.76) 62%,rgba(23,18,38,.88)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;left:-160px;bottom:-220px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,59,.22),transparent 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--purple-soft);border:1px solid rgba(124,77,255,.42);
  font-size:13px;font-weight:600;color:#D6CCFF;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.page-hero h1{
  margin:20px 0 18px;
  font-size:clamp(28px,4.4vw,52px);
  font-weight:900;letter-spacing:-.035em;line-height:1.15;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;color:var(--muted);max-width:620px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats div{min-width:96px}
.hero-stats strong{display:block;font-size:26px;font-weight:900;color:var(--brand);letter-spacing:-.03em}
.hero-stats span{font-size:13px;color:var(--faint)}

/* ---------- Hero panel ---------- */
.panel{
  background:linear-gradient(160deg,rgba(33,26,51,.96),rgba(23,18,38,.96));
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow);
}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.panel-head h2{font-size:19px;font-weight:800}
.panel-head p{font-size:13px;color:var(--faint);margin-top:6px}
.panel-value{font-size:34px;font-weight:900;color:var(--brand);letter-spacing:-.04em;line-height:1}
.panel-value small{font-size:15px;color:var(--faint);font-weight:600}
.progress{position:relative;height:10px;border-radius:var(--radius-pill);background:var(--input);overflow:hidden;border:1px solid var(--line)}
.progress-fill{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--brand),#8CE01F)}
.progress-fill.is-coral{background:linear-gradient(90deg,var(--coral),#FF9C7A)}
.progress-fill.is-purple{background:linear-gradient(90deg,var(--purple),#A98BFF)}
.panel .progress{margin-top:22px}
.panel-nodes{display:flex;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--faint)}
.panel-list{margin-top:24px;display:grid;gap:12px}
.panel-list li{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.panel-list b{margin-left:auto;color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;line-height:1.6;white-space:nowrap;
}
.badge.is-done{background:var(--brand-soft);color:var(--brand);border:1px solid var(--brand-line)}
.badge.is-doing{background:var(--coral-soft);color:var(--coral);border:1px solid rgba(255,107,74,.42)}
.badge.is-todo{background:rgba(255,255,255,.05);color:var(--faint);border:1px solid var(--line)}
.badge.is-purple{background:var(--purple-soft);color:#C7B6FF;border:1px solid rgba(124,77,255,.44)}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section--alt{background:var(--bg-section)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,3vw,34px);font-weight:900;letter-spacing:-.03em}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section-head .eyebrow{margin-bottom:16px}

/* ---------- Stat grid ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .3s,box-shadow .3s,border-color .3s;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow)}
.stat-card span{font-size:13px;color:var(--faint)}
.stat-card strong{display:block;margin-top:10px;font-size:30px;font-weight:900;letter-spacing:-.04em}
.stat-card strong.is-brand{color:var(--brand)}
.stat-card strong.is-coral{color:var(--coral)}
.stat-card strong.is-purple{color:#A98BFF}
.stat-card p{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- Task groups ---------- */
.task-groups{display:grid;gap:34px}
.task-group{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow);
}
.task-group-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}
.task-group-head h3{font-size:20px;font-weight:800}
.task-group-head p{font-size:13px;color:var(--faint);margin-top:6px}
.task-list{margin-top:6px}
.task{
  display:grid;grid-template-columns:104px 1fr 190px;gap:22px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.task:last-child{border-bottom:0;padding-bottom:4px}
.task h4{font-size:17px;font-weight:800}
.task p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.task-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.task-meta span{font-size:12px;color:var(--faint);padding:3px 10px;border-radius:var(--radius-pill);background:rgba(255,255,255,.045);border:1px solid var(--line)}
.task-progress{text-align:right}
.task-count{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.task-progress .progress{margin-top:10px}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(124,77,255,.5),rgba(255,255,255,.06))}
.tl-item{position:relative;padding:0 0 30px 20px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:var(--bg);border:2px solid rgba(255,255,255,.16)}
.tl-item.is-done .tl-dot{border-color:var(--brand);box-shadow:0 0 0 4px rgba(182,255,59,.14)}
.tl-item.is-doing .tl-dot{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,107,74,.14)}
.tl-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;transition:transform .3s,border-color .3s,box-shadow .3s}
.tl-body:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow-hover)}
.tl-step{font-size:12px;font-weight:700;color:var(--faint);letter-spacing:.06em}
.tl-body h3{margin-top:10px;font-size:19px;font-weight:800}
.tl-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.78}
.tl-body .badge{margin-top:14px}

/* ---------- Latest / figure ---------- */
.latest-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.latest-figure{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.latest-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.latest-figure:hover img{transform:scale(1.03)}
.latest-figure figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(14,11,26,.82);border:1px solid var(--line);
  font-size:13px;color:var(--muted);backdrop-filter:blur(8px);
}
.notice-list{display:grid;gap:16px}
.notice-item{
  display:flex;gap:18px;padding:20px 22px;border-radius:var(--radius-card);
  background:var(--card);border:1px solid var(--line);
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.notice-item:hover{border-color:rgba(124,77,255,.5);transform:translateY(-3px);box-shadow:var(--shadow)}
.notice-date{flex:none;font-size:12px;font-weight:700;color:#C7B6FF;padding-top:4px;min-width:74px;letter-spacing:.02em}
.notice-item h3{font-size:17px;font-weight:800}
.notice-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:border-color .3s,box-shadow .3s;
}
.faq-item:hover{border-color:rgba(182,255,59,.28)}
.faq-item[open]{border-color:var(--brand-line);box-shadow:0 0 0 1px rgba(182,255,59,.1),var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 24px;font-size:17px;font-weight:700;
  transition:color .25s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--faint);border-bottom:2px solid var(--faint);
  transform:translateY(-70%) rotate(45deg);transition:transform .3s,border-color .3s;
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand)}
.faq-body{
  padding:0 24px 22px 24px;margin-left:0;
  font-size:15px;color:var(--muted);line-height:1.85;
  border-left:3px solid transparent;
}
.faq-item[open] .faq-body{border-left:3px solid var(--brand);padding-left:20px;margin-left:24px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;
  padding:52px 48px;
  background:linear-gradient(120deg,rgba(182,255,59,.16),rgba(124,77,255,.24) 58%,rgba(255,107,74,.18));
  border:1px solid var(--brand-line);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,59,.3),transparent 66%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:900;letter-spacing:-.03em;position:relative;z-index:1}
.cta-band p{margin-top:12px;color:var(--muted);max-width:640px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:18px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--faint);line-height:1.85;max-width:440px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .25s,padding-left .25s}
.footer-col ul a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--faint);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .task{grid-template-columns:96px 1fr 170px;gap:18px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:36px 0 60px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .latest-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .nav-toggle{display:flex}
  .nav-chips{
    position:fixed;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:10px;
    padding:18px 24px 26px;margin:0;
    background:rgba(18,15,31,.99);border-bottom:1px solid var(--line);
    max-height:calc(100vh - 70px);overflow-y:auto;
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .28s ease,opacity .28s ease;
  }
  .nav-chips.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .chip{text-align:center;padding:12px 16px}
  .header-cta{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .brand-text{font-size:16px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .hero-stats{gap:20px}
  .hero-stats strong{font-size:22px}
  .panel{padding:22px}
  .task{grid-template-columns:1fr;gap:14px}
  .badge-row{display:flex}
  .task-progress{text-align:left}
  .task-group{padding:20px}
  .timeline{padding-left:26px}
  .timeline::before{left:7px}
  .tl-dot{left:-26px;width:16px;height:16px}
  .tl-item{padding-left:14px}
  .cta-band{padding:34px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .page-hero h1{font-size:27px}
  .stat-grid{grid-template-columns:1fr}
  .notice-item{flex-direction:column;gap:8px}
  .notice-date{min-width:0}
  .faq-item summary{font-size:16px;padding:18px 52px 18px 18px}
  .faq-item[open] .faq-body{margin-left:18px;padding-left:16px}
}

/* roulang page: category4 */
:root{
  --lime:#B6FF3B;
  --lime-dim:rgba(182,255,59,.16);
  --coral:#FF6B4A;
  --violet:#7C4DFF;
  --violet-dim:rgba(124,77,255,.18);
  --bg:#0E0B1A;
  --bg-soft:#171226;
  --card:#211A33;
  --input:#120F1F;
  --text:#F7F5FF;
  --text-2:#B8B2CC;
  --text-3:#7E7892;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.35);
  --shadow-hover:0 28px 70px rgba(0,0,0,.48);
  --gap:24px;
  --container:1280px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--lime);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em;font-weight:800;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
::selection{background:var(--lime);color:#0E0B1A;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section) 0;}
.section-head{max-width:820px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--lime);font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);border-radius:2px;}
.section-head h2{font-size:34px;font-weight:900;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,11,26,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(11,9,20,.94);
  border-bottom-color:rgba(182,255,59,.45);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:11px;
  background:linear-gradient(135deg,var(--lime) 0%,#7C4DFF 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 8px 24px rgba(182,255,59,.28);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:6px;
  background:rgba(14,11,26,.82);
}
.brand-text{
  font-weight:900;font-size:18px;letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover .brand-text{color:var(--lime);}

.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
  padding:4px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line-strong);
  background:transparent;
  transition:all .22s ease;
}
.chip:hover{color:var(--text);border-color:rgba(182,255,59,.55);background:rgba(182,255,59,.08);}
.chip.is-active{
  background:var(--lime);color:#0E0B1A;border-color:var(--lime);
  box-shadow:0 8px 26px rgba(182,255,59,.28);
}
.header-cta{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
}
.nav-toggle span{display:block;width:20px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:all .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--lime);color:#0E0B1A;
  box-shadow:0 12px 34px rgba(182,255,59,.3);
}
.btn-primary:hover{background:#c8ff66;color:#0E0B1A;transform:translateY(-2px);box-shadow:0 18px 42px rgba(182,255,59,.42);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 22px rgba(182,255,59,.28);}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line-strong);
}
.btn-ghost:hover{color:var(--lime);border-color:rgba(182,255,59,.6);background:rgba(182,255,59,.07);transform:translateY(-2px);}
.btn-violet{
  background:var(--violet);color:#fff;
  box-shadow:0 12px 34px rgba(124,77,255,.35);
}
.btn-violet:hover{background:#8f66ff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);padding:22px 0 0;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--lime);font-weight:600;}

/* ---------- hero ---------- */
.faq-hero{
  position:relative;
  padding:64px 0 72px;
  background:
    linear-gradient(115deg,rgba(14,11,26,.94) 0%,rgba(14,11,26,.78) 42%,rgba(14,11,26,.94) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.faq-hero::before,
.faq-hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;
}
.faq-hero::before{width:420px;height:420px;background:rgba(124,77,255,.32);top:-140px;right:-100px;}
.faq-hero::after{width:340px;height:340px;background:rgba(182,255,59,.16);bottom:-160px;left:-120px;}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);
  gap:56px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--violet-dim);border:1px solid rgba(124,77,255,.5);
  color:#D9CCFF;font-size:13px;font-weight:600;letter-spacing:.05em;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 12px var(--coral);}
.faq-hero h1{
  font-size:52px;font-weight:900;margin:22px 0 20px;letter-spacing:-.02em;
}
.faq-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--lime) 10%,#8fe6ff 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--text-2);font-size:17.5px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;
  padding-top:28px;border-top:1px solid var(--line);
}
.hero-stat b{display:block;font-size:28px;font-weight:900;color:var(--lime);letter-spacing:-.02em;}
.hero-stat span{font-size:13.5px;color:var(--text-3);}

.hero-panel{
  background:linear-gradient(160deg,rgba(33,26,51,.96) 0%,rgba(23,18,38,.96) 100%);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-xl);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.hero-panel h3{font-size:20px;margin-bottom:6px;}
.hero-panel .panel-sub{font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.q-list{display:flex;flex-direction:column;gap:12px;}
.q-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  font-size:14.5px;color:var(--text-2);
  transition:all .22s ease;
}
.q-item:hover{background:rgba(182,255,59,.07);border-color:rgba(182,255,59,.35);color:var(--text);}
.q-item .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  background:var(--lime-dim);color:var(--lime);
}
.panel-bar{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.panel-bar .track{height:8px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden;}
.panel-bar .fill{height:100%;width:78%;border-radius:99px;background:linear-gradient(90deg,var(--lime),#63e6b8);}
.panel-bar .meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-3);margin-top:10px;}

/* ---------- topic nav ---------- */
.topic-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:20px 0 0;
}
.topic-bar a{
  padding:8px 16px;border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.topic-bar a:hover{color:var(--lime);border-color:rgba(182,255,59,.45);background:rgba(182,255,59,.08);}

/* ---------- cards ---------- */
.grid{display:grid;gap:var(--gap);}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(182,255,59,.4);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .tag{
  position:absolute;left:14px;top:14px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;
  background:rgba(14,11,26,.82);color:var(--lime);
  border:1px solid rgba(182,255,59,.4);
  backdrop-filter:blur(6px);
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:19px;}
.card-body p{font-size:14.8px;color:var(--text-2);flex:1 1 auto;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px 22px;font-size:13px;color:var(--text-3);
}
.card-foot .more{color:var(--lime);font-weight:700;}

/* ---------- answer layout ---------- */
.answer-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;}
.answer-block{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:12px 6px;
}
.answer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 26px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;
  font-size:17px;font-weight:700;color:var(--text);
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--lime);background:rgba(182,255,59,.04);}
.faq-item summary .idx{
  flex:0 0 auto;font-size:12px;font-weight:800;color:var(--lime);
  background:var(--lime-dim);padding:4px 9px;border-radius:8px;margin-top:4px;
}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;color:var(--text-3);font-size:20px;line-height:1;transition:transform .25s ease,color .25s ease;
}
.faq-item[open] summary{color:var(--lime);}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--lime);}
.faq-item .answer{
  padding:0 22px 22px 62px;
  color:var(--text-2);font-size:15.6px;
  border-left:3px solid var(--lime);
  margin-left:22px;padding-left:20px;
}
.faq-item .answer p+p{margin-top:10px;}
.faq-item .answer ul{margin-top:10px;display:flex;flex-direction:column;gap:8px;}
.faq-item .answer li{position:relative;padding-left:18px;}
.faq-item .answer li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--violet);
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);}
.step{
  position:relative;
  background:linear-gradient(170deg,rgba(33,26,51,.9),rgba(23,18,38,.9));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  transition:transform .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(124,77,255,.5);}
.step .step-num{
  font-size:34px;font-weight:900;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px rgba(182,255,59,.65);
  margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--text-2);}

/* ---------- timeline ---------- */
.timeline{
  border-left:2px solid rgba(124,77,255,.4);
  padding-left:28px;margin-left:8px;
  display:flex;flex-direction:column;gap:26px;
}
.tl-item{position:relative;}
.tl-item::before{
  content:"";position:absolute;left:-37px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);
  box-shadow:0 0 0 4px rgba(182,255,59,.14);
}
.tl-item .tl-date{font-size:12.5px;color:var(--text-3);letter-spacing:.08em;margin-bottom:6px;}
.tl-item h4{font-size:17px;margin-bottom:6px;}
.tl-item p{font-size:14.8px;color:var(--text-2);}
.tl-badge{
  display:inline-block;margin-left:10px;vertical-align:middle;
  font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:var(--radius-pill);
  background:rgba(255,107,74,.16);color:var(--coral);border:1px solid rgba(255,107,74,.4);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:28px;
  padding:56px 48px;
  background:
    linear-gradient(100deg,rgba(182,255,59,.14) 0%,rgba(124,77,255,.24) 100%),
    var(--bg-soft);
  border:1px solid rgba(182,255,59,.28);
  display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between;
}
.cta-band h2{font-size:32px;max-width:640px;}
.cta-band p{color:var(--text-2);margin-top:12px;max-width:620px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 26px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:all .25s ease;
}
.cross-card:hover{background:rgba(124,77,255,.12);border-color:rgba(124,77,255,.55);transform:translateY(-4px);}
.cross-card h3{font-size:17.5px;margin-bottom:6px;}
.cross-card p{font-size:14px;color:var(--text-2);}
.cross-card .arrow{color:var(--lime);font-size:20px;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  background:#0E0B1A;
  border-top:1px solid var(--line);
  padding:64px 0 28px;margin-top:24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:var(--text-3);font-size:14.5px;max-width:380px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--text-2);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--section:72px;}
  .nav-chips{display:none;}
  .nav-toggle{display:flex;}
  .header-cta .btn{display:none;}
  .nav-chips.is-open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;left:16px;right:16px;top:76px;
    background:rgba(17,13,30,.99);
    border:1px solid var(--line-strong);
    border-radius:var(--radius-lg);
    padding:14px;gap:10px;
    box-shadow:0 30px 70px rgba(0,0,0,.6);
    overflow:visible;
  }
  .nav-chips.is-open .chip{justify-content:center;padding:13px 18px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .faq-hero h1{font-size:38px;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .answer-cols{grid-template-columns:minmax(0,1fr);}
  .cross-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--section:56px;--gap:18px;}
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .faq-hero{padding:40px 0 52px;}
  .faq-hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:23px;}
  .section-head h2{font-size:24px;}
  .grid-3,.grid-4,.steps{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:34px 22px;border-radius:22px;}
  .cta-band h2{font-size:24px;}
  .faq-item summary{font-size:16px;padding:18px 16px;gap:10px;}
  .faq-item .answer{margin-left:14px;padding:0 16px 20px 16px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .faq-hero h1{font-size:26px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
}