/* roulang page: index */
:root{
  --ink-950:#0B0918;
  --ink-900:#120E24;
  --ink-800:#1A1433;
  --ink-700:#241C45;
  --line:rgba(157,138,255,.16);
  --line-strong:rgba(157,138,255,.32);
  --c-star:#35E0C8;
  --c-nebula:#7A5AF8;
  --c-gold:#F5C451;
  --c-warn:#FF7A8A;
  --t1:#EDEBF7;
  --t2:#A9A3C6;
  --t3:#6F6A8C;
  --paper:#F7F6FC;
  --paper-ink:#1B1730;
  --paper-ink2:#4A4566;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --r-inp:12px;
  --sh-1:0 18px 40px -24px rgba(0,0,0,.85);
  --sh-2:0 26px 60px -28px rgba(122,90,248,.45);
  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--t1);
  --bs-primary:var(--c-star);
  --bs-border-color:var(--line);
  --bs-border-radius:14px;
  --bs-link-color:var(--c-star);
  --bs-link-hover-color:var(--c-nebula);
  --bs-focus-ring-color:rgba(53,224,200,.45);
  --bs-body-font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--t1);
  font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(237,235,247,.55), transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 9%, rgba(53,224,200,.5), transparent 60%),
    radial-gradient(1.5px 1.5px at 42% 62%, rgba(237,235,247,.4), transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 74%, rgba(122,90,248,.5), transparent 60%),
    radial-gradient(1.5px 1.5px at 24% 88%, rgba(237,235,247,.35), transparent 60%),
    radial-gradient(1.5px 1.5px at 62% 34%, rgba(237,235,247,.3), transparent 60%);
  opacity:.06;
}
a{color:var(--c-star);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-nebula)}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-star);outline-offset:2px}
::selection{background:rgba(53,224,200,.28)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink-900)}
::-webkit-scrollbar-thumb{background:#2C2450;border-radius:999px;border:2px solid var(--ink-900)}
::-webkit-scrollbar-thumb:hover{background:#3A2F66}

.container-x{max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:92px 0}
.section-tight{padding:72px 0}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,24,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:radial-gradient(circle at 30% 25%, #35E0C8 0%, #7A5AF8 70%);
  position:relative;
  box-shadow:0 0 0 1px rgba(157,138,255,.35), 0 8px 18px -10px rgba(53,224,200,.9);
  transition:transform .18s ease-out, box-shadow .18s ease-out;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:1.5px solid rgba(11,9,24,.75);
  border-top-color:rgba(237,235,247,.95);
}
.brand:hover .brand-mark{transform:rotate(18deg) scale(1.04);box-shadow:0 0 0 1px rgba(157,138,255,.5),0 10px 24px -8px rgba(122,90,248,.95)}
.brand-text{display:flex;align-items:baseline;gap:6px;font-size:18px;font-weight:700;color:var(--t1);letter-spacing:.01em}
.brand-text:hover{color:var(--t1)}
.brand-tag{font-size:11px;font-weight:600;color:var(--c-star);border:1px solid rgba(53,224,200,.4);background:rgba(53,224,200,.08);border-radius:999px;padding:1px 7px;line-height:1.5}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1}
.nav-links a{
  position:relative;display:block;padding:10px 12px;font-size:14.5px;font-weight:500;
  color:var(--t2);border-radius:10px;transition:color .18s ease-out,background .18s ease-out;
}
.nav-links a:hover{color:var(--t1);background:rgba(122,90,248,.1)}
.nav-links a[aria-current="page"]{color:var(--t1);font-weight:600}
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:320px;height:40px;padding:0 10px 0 12px;
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-inp);
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.cmd-search:focus-within{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}
.cmd-search i{color:var(--t3);font-size:13px}
.cmd-search input{
  flex:1;background:transparent;border:0;color:var(--t1);font-size:14px;outline:none;min-width:0;
}
.cmd-search input::placeholder{color:var(--t3)}
.cmd-search kbd{
  font-family:'Inter',ui-monospace,monospace;font-size:11px;color:var(--t3);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:rgba(157,138,255,.06);
}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;color:var(--t2);border-radius:var(--r-inp);
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.icon-btn:hover{color:var(--t1);border-color:var(--line-strong);background:rgba(122,90,248,.12)}

.btn-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;color:#08131A;
  background:linear-gradient(135deg,#35E0C8 0%,#57D7DA 45%,#7A5AF8 130%);
  transition:transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out;
}
.btn-star:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);color:#08131A}
.btn-star:active{transform:scale(.98) translateY(0)}
.btn-star.lg{height:48px;padding:0 26px;font-size:15.5px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:14.5px;font-weight:600;
  background:transparent;border:1px solid var(--line-strong);color:var(--t1);
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-star);background:rgba(53,224,200,.08);color:var(--t1)}
.btn-ghost.lg{height:48px;padding:0 26px;font-size:15.5px}
.btn-link-x{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-star);
}
.btn-link-x i{transition:transform .18s ease-out}
.btn-link-x:hover i{transform:translateX(3px)}
.mobile-toggle{display:none}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;min-height:640px;display:flex;align-items:center;
  padding:96px 0 88px;
  background-image:linear-gradient(105deg,rgba(11,9,24,.92) 0%,rgba(11,9,24,.78) 45%,rgba(11,9,24,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 12% 18%, rgba(53,224,200,.14), transparent 70%),
    radial-gradient(700px 340px at 88% 82%, rgba(122,90,248,.2), transparent 70%);
}
.hero .container-x{position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--c-star);border:1px solid rgba(53,224,200,.36);background:rgba(53,224,200,.08);
  border-radius:999px;padding:5px 13px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(34px,4.2vw,56px);line-height:1.22;font-weight:700;letter-spacing:.01em;
  margin:0 0 18px;color:var(--t1);
}
.hero h1 .hl{
  background:linear-gradient(100deg,var(--c-star) 0%,#8EE9DC 40%,var(--c-nebula) 110%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--t2);max-width:560px;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-metrics{display:flex;gap:44px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px}
.metric-num{
  font-family:'Inter',ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--t1);line-height:1.2;
}
.metric-num span{color:var(--c-star);font-size:18px;margin-left:2px}
.metric-label{font-size:13px;color:var(--t3);margin-top:2px}

.progress-card{
  background:linear-gradient(160deg,rgba(26,20,51,.96),rgba(18,14,36,.96));
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.pc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.pc-title{font-size:15px;font-weight:600;color:var(--t1)}
.pc-pct{font-family:'Inter',ui-monospace,monospace;font-size:22px;font-weight:700;color:var(--c-star)}
.pc-bar{height:6px;border-radius:999px;background:var(--ink-700);overflow:hidden;margin-bottom:22px}
.pc-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-star),var(--c-nebula));animation:grow .8s ease-out both}
@keyframes grow{from{width:0}}
.task-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.task-row:first-of-type{border-top:0}
.task-ico{
  width:30px;height:30px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(122,90,248,.14);border:1px solid var(--line);color:var(--c-nebula);font-size:12.5px;flex-shrink:0;
}
.task-name{flex:1;font-size:14px;color:var(--t1)}
.badge-x{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  border-radius:999px;padding:3px 10px;border:1px solid;line-height:1.6;white-space:nowrap;
}
.badge-run{color:var(--c-star);border-color:rgba(53,224,200,.4);background:rgba(53,224,200,.08)}
.badge-soon{color:#A995FF;border-color:rgba(122,90,248,.45);background:rgba(122,90,248,.1)}
.badge-done{color:var(--c-gold);border-color:rgba(245,196,81,.42);background:rgba(245,196,81,.08)}
.badge-end{color:var(--t3);border-color:var(--line);background:rgba(157,138,255,.05)}
.pc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}

/* ============ 通用板块头 ============ */
.eyebrow{font-size:13px;font-weight:600;color:var(--c-star);letter-spacing:.08em;margin-bottom:12px}
.sec-title{font-size:clamp(26px,3vw,36px);line-height:1.3;font-weight:700;color:var(--t1);margin:0 0 14px;letter-spacing:.01em}
.sec-desc{font-size:16px;color:var(--t2);max-width:640px;margin:0}
.sec-head{margin-bottom:48px}
.sec-head.center{text-align:center}
.sec-head.center .sec-desc{margin:0 auto}
.h3-x{font-size:22px;font-weight:600;color:var(--t1);margin:0 0 12px;line-height:1.45}
.p-x{color:var(--t2);font-size:15.5px;line-height:1.9;margin:0 0 16px}

/* ============ S2 玩法介绍 ============ */
.play-block{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-bottom:88px}
.play-block.rev{grid-template-columns:5fr 7fr}
.play-block.rev .play-media{order:2}
.play-block.rev .play-text{order:1}
.play-block:last-child{margin-bottom:0}
.play-num{
  font-family:'Inter',ui-monospace,monospace;font-size:14px;font-weight:700;letter-spacing:.12em;
  color:var(--c-star);margin-bottom:10px;
}
.play-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.play-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.play-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,9,24,.55));}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2);padding:6px 0;line-height:1.8}
.check-list li i{color:var(--c-star);font-size:13px;margin-top:7px;flex-shrink:0}

/* ============ S3 奖励预览 ============ */
.reward-track{
  display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
}
.reward-track::-webkit-scrollbar{height:6px}
.reward-card{
  flex:0 0 268px;scroll-snap-align:start;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.reward-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.rarity{height:4px}
.rarity.gold{background:linear-gradient(90deg,#F5C451,#F0A93C)}
.rarity.purple{background:linear-gradient(90deg,#7A5AF8,#A995FF)}
.rarity.cyan{background:linear-gradient(90deg,#35E0C8,#5ED8EA)}
.reward-body{padding:22px}
.reward-lv{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.reward-lv strong{font-size:15px;color:var(--t1)}
.reward-img{border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.reward-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.reward-card:hover .reward-img img{transform:scale(1.04)}
.reward-name{font-size:15.5px;font-weight:600;color:var(--t1);margin:0 0 8px}
.reward-cond{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:7px}
.reward-cond i{color:var(--c-nebula)}

/* ============ S4 任务进度时间轴 ============ */
.band{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.progress-total{text-align:right}
.progress-total strong{font-family:'Inter',ui-monospace,monospace;font-size:34px;font-weight:700;color:var(--c-star);display:block;line-height:1.1}
.progress-total span{font-size:13px;color:var(--t3)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-bottom:40px}
.tl-item{position:relative;padding:0 20px}
.tl-line{position:absolute;top:9px;left:0;right:0;height:2px;background:var(--ink-700)}
.tl-item:first-child .tl-line{left:50%}
.tl-item:last-child .tl-line{right:50%}
.tl-line.filled{background:linear-gradient(90deg,var(--c-star),var(--c-nebula))}
.tl-dot{
  position:relative;width:20px;height:20px;border-radius:50%;margin:0 auto 16px;
  background:var(--ink-900);border:2px solid var(--line-strong);z-index:1;
}
.tl-dot.on{background:var(--c-star);border-color:var(--c-star);box-shadow:0 0 0 5px rgba(53,224,200,.15)}
.tl-body{
  background:var(--ink-800);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;
}
.tl-body h3{font-size:15.5px;font-weight:600;color:var(--t1);margin:0 0 6px}
.tl-body p{font-size:13px;color:var(--t3);margin:0 0 12px}

/* ============ S5 CMS 资讯 ============ */
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  font-size:13px;color:var(--t2);border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-weight:500;transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.chip:hover,.chip.on{color:var(--c-star);border-color:rgba(53,224,200,.4);background:rgba(53,224,200,.08)}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.news-cover{position:relative;overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cat{
  position:absolute;left:14px;top:14px;font-size:12px;font-weight:600;color:var(--t1);
  background:rgba(11,9,24,.78);border:1px solid var(--line-strong);border-radius:999px;padding:3px 11px;
  backdrop-filter:blur(4px);
}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-title{
  font-size:16.5px;font-weight:600;color:var(--t1);line-height:1.5;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-star)}
.news-sum{
  font-size:14px;color:var(--t2);line-height:1.8;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);
}
.empty-state{
  min-height:240px;border:1px dashed var(--line-strong);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--ink-900);color:var(--t3);text-align:center;
}
.empty-state i{font-size:30px;color:var(--t3)}
.empty-state p{margin:0;font-size:14px}

/* ============ S6 社区与数据 ============ */
.quote-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;margin-bottom:16px;transition:border-color .18s ease-out,transform .18s ease-out;
}
.quote-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.quote-card p{margin:0 0 14px;font-size:15px;color:var(--t2);line-height:1.85}
.quote-who{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3)}
.avatar{
  width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#08131A;
  background:linear-gradient(135deg,var(--c-star),var(--c-nebula));
}
.data-panel{
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
}
.data-item{display:flex;align-items:baseline;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line)}
.data-item:last-child{border-bottom:0}
.data-item .k{font-size:14px;color:var(--t2)}
.data-item .v{font-family:'Inter',ui-monospace,monospace;font-size:20px;font-weight:700;color:var(--t1)}
.data-item .v small{font-size:12px;color:var(--c-star);margin-left:3px;font-weight:600}

/* ============ S7 FAQ ============ */
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--ink-800);margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease-out;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;padding:18px 20px;color:var(--t1);
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--c-star)}
.faq-q .qm{color:var(--c-nebula);font-size:14px;flex-shrink:0}
.faq-q .arw{margin-left:auto;color:var(--t3);font-size:13px;transition:transform .22s ease-out}
.faq-q[aria-expanded="true"]{color:var(--c-star)}
.faq-q[aria-expanded="true"] .arw{transform:rotate(90deg);color:var(--c-star)}
.faq-a{padding:0 20px 20px 48px;font-size:15px;line-height:1.85;color:var(--t2)}
.faq-item.open{position:relative}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-star),var(--c-nebula));
}

/* ============ S8 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;min-height:220px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(53,224,200,.16) 0%,rgba(122,90,248,.3) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,9,24,.86),rgba(11,9,24,.5))}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;width:100%}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin:0 0 8px;color:var(--t1)}
.cta-inner p{margin:0;color:var(--t2);font-size:15.5px}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:68px 0 0;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.foot-about p{font-size:14px;color:var(--t3);line-height:1.85;margin:16px 0 0;max-width:300px}
.foot-title{font-size:14px;font-weight:600;color:var(--t1);margin:0 0 16px;letter-spacing:.02em}
.foot-list{list-style:none;margin:0;padding:0}
.foot-list li{margin-bottom:10px}
.foot-list a{font-size:14px;color:var(--t3);transition:color .18s ease-out}
.foot-list a:hover{color:var(--c-star)}
.foot-sub input{
  width:100%;height:46px;background:var(--ink-950);border:1px solid var(--line);border-radius:var(--r-inp);
  color:var(--t1);padding:0 14px;font-size:14px;margin-bottom:12px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.foot-sub input:focus{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}
.foot-sub input::placeholder{color:var(--t3)}
.foot-sub .btn-star{width:100%}
.copy-bar{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3);
}

/* ============ OFFCAVAS ============ */
.offcanvas-x{background:var(--ink-900);color:var(--t1);border-right:1px solid var(--line);width:320px}
.offcanvas-x .btn-close{filter:invert(1) grayscale(1) opacity(.6)}
.drawer-nav{list-style:none;padding:0;margin:0 0 24px}
.drawer-nav li{border-bottom:1px solid var(--line)}
.drawer-nav a{display:block;padding:15px 4px;font-size:15.5px;color:var(--t2);font-weight:500}
.drawer-nav a[aria-current="page"]{color:var(--c-star);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;background:var(--ink-950);border:1px solid var(--line);border-radius:var(--r-inp);padding:0 12px;margin-bottom:20px}
.drawer-search input{flex:1;background:transparent;border:0;color:var(--t1);outline:none;font-size:14px;min-width:0}
.drawer-search input::placeholder{color:var(--t3)}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .cmd-search{width:260px}
  .nav-links a{padding:10px 9px;font-size:14px}
  .foot-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-links,.cmd-search,.nav-actions .icon-btn{display:none}
  .mobile-toggle{display:inline-flex}
  .hero{padding:72px 0 64px;min-height:auto}
  .hero-metrics{gap:32px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .play-block,.play-block.rev{grid-template-columns:1fr;gap:28px;margin-bottom:64px}
  .play-block.rev .play-media{order:1}
  .play-block.rev .play-text{order:2}
  .timeline{grid-template-columns:1fr;gap:16px}
  .tl-item{padding:0}
  .tl-line{display:none}
  .tl-dot{margin:0 0 12px 0}
  .tl-body{text-align:left}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .band-head{flex-direction:column;align-items:flex-start}
  .progress-total{text-align:left}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section{padding:48px 0}
  .hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-actions .btn-star,.hero-actions .btn-ghost{width:100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn-star,.cta-inner .btn-ghost{width:100%}
  .reward-card{flex:0 0 82%}
  .foot-grid{grid-template-columns:1fr}
  .copy-bar{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-950:#0B0918;
  --ink-900:#120E24;
  --ink-800:#1A1433;
  --ink-700:#241C45;
  --line:rgba(157,138,255,.16);
  --line-strong:rgba(157,138,255,.32);
  --c-star:#35E0C8;
  --c-nebula:#7A5AF8;
  --c-gold:#F5C451;
  --c-warn:#FF7A8A;
  --t1:#EDEBF7;
  --t2:#A9A3C6;
  --t3:#6F6A8C;
  --paper:#F7F6FC;
  --paper-ink:#1B1730;
  --paper-ink-2:#4A4566;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --r-input:12px;
  --sh-1:0 18px 40px -24px rgba(0,0,0,.85);
  --sh-2:0 26px 60px -28px rgba(122,90,248,.45);
  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--t1);
  --bs-primary:var(--c-star);
  --bs-border-color:var(--line);
  --bs-border-radius:12px;
  --bs-link-color:var(--c-star);
  --bs-link-hover-color:var(--c-nebula);
  --bs-focus-ring-color:rgba(53,224,200,.45);
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.07), transparent 60%),
    radial-gradient(1px 1px at 78% 8%, rgba(255,255,255,.05), transparent 60%),
    radial-gradient(1px 1px at 42% 62%, rgba(255,255,255,.05), transparent 60%),
    radial-gradient(1px 1px at 88% 74%, rgba(255,255,255,.06), transparent 60%),
    var(--ink-950);
  color:var(--t1);
  font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--c-star);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-nebula)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5{margin:0;color:var(--t1);letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-star);outline-offset:2px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink-900)}
::-webkit-scrollbar-thumb{background:var(--ink-700);border-radius:999px;border:2px solid var(--ink-900)}
::-webkit-scrollbar-thumb:hover{background:#332a5e}

.container-x{max-width:1240px;margin:0 auto;padding:0 24px}
@media(max-width:767px){.container-x{padding:0 16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;height:68px;
  background:rgba(11,9,24,.84);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:50%;position:relative;
  background:radial-gradient(circle at 32% 30%,var(--c-star),var(--c-nebula) 72%);
  box-shadow:0 0 0 1px var(--line-strong),0 0 18px -6px var(--c-star);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.brand-mark::after{content:"";position:absolute;inset:-5px;border:1px solid var(--line-strong);border-radius:50%}
.brand:hover .brand-mark{transform:rotate(24deg);box-shadow:0 0 0 1px var(--line-strong),0 0 24px -4px var(--c-star)}
.brand-text{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.02em}
.brand-tag{
  display:inline-block;margin-left:6px;padding:1px 7px;font-size:11px;font-weight:600;
  color:var(--c-star);border:1px solid var(--line-strong);border-radius:999px;background:rgba(53,224,200,.08);
  vertical-align:middle;letter-spacing:.06em;
}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:10px;font-size:14.5px;font-weight:500;
  color:var(--t2);position:relative;transition:color .18s ease-out,background .18s ease-out;
}
.nav-links a:hover{color:var(--t1);background:var(--ink-800)}
.nav-links a[aria-current="page"]{color:var(--t1)}
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:10px;width:310px;height:40px;padding:0 12px;
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cmd-search:focus-within{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}
.cmd-search i{color:var(--t3);font-size:13px}
.cmd-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--t1);
  font-size:13.5px;letter-spacing:.02em;
}
.cmd-search input::placeholder{color:var(--t3)}
.cmd-search kbd{
  font-family:'Inter',ui-monospace,monospace;font-size:11px;color:var(--t3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:var(--ink-800);
}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-input);background:var(--ink-900);color:var(--t2);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px)}
.btn-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.03em;color:#07201C;
  background:linear-gradient(135deg,var(--c-star),#4FE3D2 42%,var(--c-nebula));
  box-shadow:0 12px 30px -18px rgba(53,224,200,.9);
  transition:transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out;
  white-space:nowrap;
}
.btn-star:hover{transform:translateY(-2px);filter:brightness(1.06);color:#07201C;box-shadow:0 18px 38px -18px rgba(122,90,248,.85)}
.btn-star:active{transform:scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:transparent;color:var(--t1);font-size:14.5px;font-weight:600;
  transition:border-color .18s ease-out,background .18s ease-out,transform .18s ease-out;
}
.btn-ghost:hover{border-color:var(--line-strong);background:var(--ink-800);color:var(--t1);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-linkx{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-star);font-size:14px;font-weight:600;
}
.btn-linkx i{transition:transform .18s ease-out}
.btn-linkx:hover i{transform:translateX(3px)}
.head-cta{height:40px;padding:0 18px;font-size:14px}
@media(max-width:1199px){
  .cmd-search{width:220px}
  .nav-links a{padding:9px 10px;font-size:14px}
}
@media(max-width:991px){
  .head-right .cmd-search,.head-right .icon-btn,.head-right .head-cta{display:none !important}
}
.offcanvas-nebula{background:var(--ink-900);color:var(--t1);border-left:1px solid var(--line) !important}
.offcanvas-nebula .nav-link{color:var(--t2);font-size:16px;padding:12px 4px;border-bottom:1px solid var(--line)}
.offcanvas-nebula .nav-link:hover{color:var(--c-star)}

/* ---------- page base ---------- */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(11,9,24,.72),rgba(11,9,24,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero .container-x{position:relative;z-index:2;padding-top:34px;padding-bottom:44px}
.crumb{font-size:13px;color:var(--t3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--t3);opacity:.7}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--c-star)}
.crumb [aria-current="page"]{color:var(--t3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--line-strong);background:rgba(122,90,248,.10);color:#C9BDFF;
}
.chip-star{border-color:rgba(53,224,200,.35);background:rgba(53,224,200,.10);color:#8CF2E4}
.chip-gold{border-color:rgba(245,196,81,.35);background:rgba(245,196,81,.10);color:var(--c-gold)}
.article-h1{
  font-size:clamp(30px,3.6vw,46px);font-weight:700;line-height:1.24;letter-spacing:.01em;
  margin:14px 0 0;max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13.5px;color:var(--t2);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row .sep{width:1px;height:14px;background:var(--line-strong);display:inline-block}
.meta-row i{color:var(--c-star);font-size:12px}
.cover-wrap{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);background:var(--ink-800);aspect-ratio:16/9;
}
.cover-wrap img{width:100%;height:100%;object-fit:cover}

/* ---------- layout ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
@media(max-width:991px){.section{padding:64px 0}.section-tight{padding:48px 0}}
@media(max-width:575px){.section{padding:48px 0}.section-tight{padding:40px 0}}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:32px;align-items:start;margin-top:36px;
}
@media(max-width:1199px){.article-layout{grid-template-columns:minmax(0,1fr)}}

/* ---------- paper reading card ---------- */
.paper{
  background:var(--paper);color:var(--paper-ink);border-radius:20px;
  padding:40px;box-shadow:0 32px 70px -40px rgba(0,0,0,.95);
  max-width:860px;width:100%;
}
@media(max-width:767px){.paper{padding:22px;border-radius:16px}}
.article-body{font-size:17.5px;line-height:1.9;letter-spacing:.02em;color:#241F3D;text-align:left;word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:26px;font-weight:700;line-height:1.35;color:#161231;
  margin:1.7em 0 .7em;padding-left:14px;position:relative;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-star),var(--c-nebula));
}
.article-body h3{font-size:20px;font-weight:600;color:#1B1730;margin:1.4em 0 .55em;line-height:1.45;scroll-margin-top:96px}
.article-body h4{font-size:18px;font-weight:600;color:#1B1730;margin:1.2em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.25em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:20px;margin:.45em 0;line-height:1.75}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-star),var(--c-nebula));
}
.article-body ol{list-style:decimal;padding-left:1.4em}
.article-body ol li{margin:.45em 0;line-height:1.75;padding-left:4px}
.article-body ol li::marker{color:#2E9E8F;font-weight:700}
.article-body blockquote{
  margin:1.3em 0;padding:16px 20px;border-left:3px solid var(--c-nebula);
  background:#EFEBFB;border-radius:0 12px 12px 0;color:#3B3560;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:#1E8C7C;border-bottom:1px solid rgba(30,140,124,.45);text-underline-offset:3px}
.article-body a:hover{color:#5A3FD6;border-bottom-color:currentColor}
.article-body img{border-radius:12px;margin:1.3em auto;box-shadow:0 14px 34px -22px rgba(27,23,48,.6)}
.article-body figure{margin:1.4em 0}
.article-body figcaption,.article-body .caption{
  font-size:13px;color:var(--paper-ink-2);text-align:center;margin-top:8px;line-height:1.6;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15.5px;
  border:1px solid #DEDAF0;border-radius:12px;overflow:hidden;
}
.article-body thead th{background:#EDE9FA;color:#2B2550;font-weight:600;text-align:left}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid #E4E0F3;color:#332D55}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid #E0DCF0;margin:2em 0}
.article-body code{
  background:#ECE8FA;color:#5A3FD6;padding:2px 6px;border-radius:6px;
  font-family:'Inter',ui-monospace,monospace;font-size:15px;
}
.article-body .table-scroll{overflow-x:auto}
.body-placeholder{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;
}
.body-placeholder .ph-icon{
  width:66px;height:66px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#E9E5F8;color:#6A5AD6;font-size:24px;
}
.body-placeholder p{color:var(--paper-ink-2);font-size:15px;margin:0}
.body-placeholder a{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:#1E8C7C;border-bottom:1px solid rgba(30,140,124,.4);
}

/* ---------- toc ---------- */
.toc-card{
  position:sticky;top:92px;background:var(--ink-900);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.toc-title{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--t3);text-transform:uppercase;margin-bottom:12px}
.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;max-height:56vh;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--t2);line-height:1.55;transition:all .18s ease-out;
}
.toc-list a:hover{color:var(--t1);background:var(--ink-800)}
.toc-list a.is-active{color:var(--c-star);border-left-color:var(--c-star);background:rgba(53,224,200,.07)}
.toc-side-cta{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.toc-side-cta p{font-size:13.5px;color:var(--t2);line-height:1.7;margin-bottom:12px}
@media(max-width:1199px){.toc-col{display:none}}

/* ---------- article footer blocks ---------- */
.article-foot{max-width:860px;margin-top:36px}
.foot-block{margin-bottom:34px}
.foot-label{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--t3);margin-bottom:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--t2);background:var(--ink-900);transition:all .18s ease-out;
}
.tag-pill:hover{color:var(--c-star);border-color:var(--line-strong);transform:translateY(-2px)}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:767px){.pn-grid{grid-template-columns:1fr}}
.pn-card{
  display:block;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.pn-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-2);color:var(--t1)}
.pn-card .pn-dir{font-size:12.5px;color:var(--t3);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.pn-card .pn-title{font-size:16px;font-weight:600;color:var(--t1);line-height:1.5}
.pn-card.next{text-align:right}
.pn-card.next .pn-dir{justify-content:flex-end}

/* ---------- related cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1199px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.grid-3{grid-template-columns:1fr;gap:20px}}
.card-post{
  display:flex;flex-direction:column;background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;height:100%;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.card-post:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-2);color:var(--t1)}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-700)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card-post:hover .card-thumb img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(11,9,24,.78);border:1px solid var(--line-strong);color:#B9F5EC;letter-spacing:.04em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-body-x{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title-x{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;color:var(--t2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--t3)}
.card-meta i{color:var(--c-star);font-size:11px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line-strong);
  background-image:linear-gradient(100deg,rgba(53,224,200,.22),rgba(122,90,248,.30)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 40px;min-height:220px;
}
@media(max-width:767px){
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 22px;gap:20px}
  .cta-inner .btn-star,.cta-inner .btn-ghost{width:100%}
}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;max-width:560px}
.cta-inner p{font-size:15px;color:#CFC9EA;margin-top:12px;max-width:560px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
@media(max-width:991px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:575px){.foot-grid{grid-template-columns:1fr}}
.foot-about p{font-size:14px;color:var(--t2);line-height:1.85;margin-top:14px;max-width:320px}
.foot-title{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.04em}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-list a{font-size:14px;color:var(--t2)}
.foot-list a:hover{color:var(--c-star)}
.foot-sub form{display:flex;flex-direction:column;gap:10px}
.foot-sub input{
  height:46px;padding:0 14px;background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--r-input);color:var(--t1);font-size:14px;outline:0;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.foot-sub input::placeholder{color:var(--t3)}
.foot-sub input:focus{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.16)}
.foot-sub .btn-star{width:100%}
.copy-bar{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
@media(max-width:575px){.copy-bar{flex-direction:column;align-items:flex-start}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --ink-950:#0B0918;
  --ink-900:#120E24;
  --ink-800:#1A1433;
  --ink-700:#241C45;
  --line:rgba(157,138,255,.16);
  --line-strong:rgba(157,138,255,.32);
  --c-star:#35E0C8;
  --c-nebula:#7A5AF8;
  --c-gold:#F5C451;
  --c-warn:#FF7A8A;
  --t1:#EDEBF7;
  --t2:#A9A3C6;
  --t3:#6F6A8C;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 18px 40px -24px rgba(0,0,0,.85);
  --sh-2:0 26px 60px -28px rgba(122,90,248,.45);

  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--t1);
  --bs-border-color:var(--line);
  --bs-primary:var(--c-star);
  --bs-link-color:var(--c-star);
  --bs-link-hover-color:var(--c-nebula);
  --bs-border-radius:12px;
  --bs-focus-ring-color:rgba(53,224,200,.35);
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  --bs-body-font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--t1);
  font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-star);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-nebula);}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;}
::selection{background:rgba(53,224,200,.28);color:#fff;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--ink-950);}
::-webkit-scrollbar-thumb{background:var(--ink-700);border-radius:999px;border:2px solid var(--ink-950);}
::-webkit-scrollbar-thumb:hover{background:#332A5E;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:767px){
  .container-x{padding-left:16px;padding-right:16px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(11,9,24,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:9px;
  background:conic-gradient(from 220deg,var(--c-star),var(--c-nebula),var(--c-star));
  box-shadow:0 0 18px -4px rgba(53,224,200,.6);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--ink-950);}
.brand:hover .brand-mark{transform:rotate(18deg);box-shadow:0 0 22px -2px rgba(53,224,200,.8);}
.brand-text{font-size:17px;font-weight:700;color:var(--t1);white-space:nowrap;}
.brand-tag{
  margin-left:6px;
  font-size:11px;
  font-weight:600;
  color:var(--c-star);
  border:1px solid rgba(53,224,200,.4);
  background:rgba(53,224,200,.1);
  border-radius:999px;
  padding:1px 7px;
  vertical-align:2px;
}

.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  font-size:14.5px;
  color:var(--t2);
  border-radius:10px;
  transition:color .18s ease-out,background .18s ease-out;
}
.nav-links a:hover{color:var(--t1);background:var(--ink-800);}
.nav-links a[aria-current="page"]{color:var(--t1);}
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--c-star);
}

.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:320px;height:40px;
  padding:0 12px;
  background:var(--ink-900);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search:focus-within{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.command-search i{color:var(--t3);font-size:13px;}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;color:var(--t1);font-size:13.5px;
}
.command-search input::placeholder{color:var(--t3);}
.command-search kbd{
  font-family:'Inter',ui-monospace,monospace;
  font-size:11px;color:var(--t3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-900);
  color:var(--t2);
  cursor:pointer;
  transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.icon-btn:hover{color:var(--t1);background:var(--ink-800);border-color:var(--line-strong);}

.btn-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:0;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;
  color:#04201C;
  background:linear-gradient(135deg,var(--c-star),#5FE7D4);
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out;
}
.btn-star:hover{color:#04201C;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06);}
.btn-star:active{transform:scale(.98);}
.btn-star:focus-visible{outline:2px solid var(--c-star);outline-offset:2px;}
.btn-star.sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-star.lg{height:48px;padding:0 26px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--t1);
  font-size:14.5px;font-weight:600;
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.btn-ghost:hover{color:var(--t1);background:var(--ink-800);border-color:var(--line-strong);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}

/* 抽屉导航 */
.offcanvas{background:var(--ink-900);color:var(--t1);border-right:1px solid var(--line);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.drawer-nav{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:6px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:12px;
  color:var(--t2);font-size:15px;border:1px solid transparent;
}
.drawer-nav a:hover{color:var(--t1);background:var(--ink-800);}
.drawer-nav a[aria-current="page"]{color:var(--c-star);background:rgba(53,224,200,.08);border-color:rgba(53,224,200,.28);}

/* ---------- 页面头图 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(11,9,24,.95) 0%,rgba(11,9,24,.82) 42%,rgba(26,20,51,.74) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1.2px);
  background-size:52px 52px;
}
.page-hero .container-x{position:relative;z-index:2;padding-top:28px;padding-bottom:64px;}

.crumb{margin-bottom:22px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;list-style:none;margin:0;padding:0;font-size:13px;color:var(--t3);}
.crumb li{display:flex;align-items:center;}
.crumb li:not(:last-child)::after{content:"/";margin:0 10px;color:var(--t3);}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--c-star);}
.crumb [aria-current="page"]{color:var(--t3);}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;
  color:var(--c-star);
  border:1px solid rgba(53,224,200,.35);
  background:rgba(53,224,200,.1);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(32px,4vw,52px);
  line-height:1.22;
  font-weight:700;
  max-width:900px;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--t2);
  max-width:720px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;position:relative;}
.section-alt{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
@media (max-width:991px){.section{padding:64px 0;}}
@media (max-width:575px){.section{padding:48px 0;}}

.section-head{margin-bottom:36px;max-width:760px;}
.section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:700;margin-bottom:14px;}
.section-head p{font-size:15.5px;color:var(--t2);line-height:1.85;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--c-nebula);
  text-transform:uppercase;
  margin-bottom:12px;
}

/* ---------- 图文行 ---------- */
.media-row{
  display:flex;gap:24px;align-items:flex-start;
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:24px;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.media-row:last-child{margin-bottom:0;}
.media-row:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-1);}
.media-thumb{
  flex:0 0 236px;
  border-radius:var(--r-img);
  overflow:hidden;
}
.media-thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .25s ease-out;
}
.media-row:hover .media-thumb img{transform:scale(1.03);}
.media-body{flex:1;min-width:0;}
.media-body h3{font-size:21px;font-weight:600;line-height:1.4;margin:12px 0 10px;}
.media-body p{font-size:15px;color:var(--t2);line-height:1.85;}
@media (max-width:767px){
  .media-row{flex-direction:column;gap:18px;}
  .media-thumb{flex:0 0 auto;width:100%;}
}

.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:700;
  color:var(--c-star);
  border:1px solid rgba(53,224,200,.32);
  background:rgba(53,224,200,.08);
  border-radius:999px;
  padding:2px 10px;
  letter-spacing:.06em;
}

.check-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:9px;}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--t2);line-height:1.7;}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:2px;top:1px;
  font-size:12px;
  color:var(--c-star);
}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:92px;display:grid;gap:20px;}
.side-card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
}
.side-card h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.side-card .side-sub{font-size:13.5px;color:var(--t3);line-height:1.7;}
.side-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:13px;}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);line-height:1.72;}
.side-list li i{color:var(--c-star);font-size:11px;margin-top:8px;}
.side-card .btn-star,.side-card .btn-ghost{width:100%;margin-top:20px;}
@media (max-width:991px){
  .side-sticky{position:static;margin-top:28px;}
}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--ink-800);
  -webkit-overflow-scrolling:touch;
}
table.mode-table{width:100%;border-collapse:collapse;min-width:760px;}
.mode-table thead th{
  background:var(--ink-900);
  color:var(--t2);
  font-size:13.5px;font-weight:600;
  text-align:left;
  padding:15px 22px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.mode-table tbody td{
  padding:15px 22px;
  font-size:14.5px;
  color:var(--t2);
  height:48px;
  border-bottom:1px solid rgba(157,138,255,.1);
  vertical-align:middle;
}
.mode-table tbody tr:nth-child(even){background:rgba(36,28,69,.48);}
.mode-table tbody tr:hover{background:var(--ink-700);}
.mode-table tbody tr:last-child td{border-bottom:0;}
.mode-table td:first-child{color:var(--t1);font-weight:600;}

.badge-st{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:3px 11px;border-radius:999px;border:1px solid;white-space:nowrap;
}
.badge-live{color:var(--c-star);border-color:rgba(53,224,200,.4);background:rgba(53,224,200,.1);}
.badge-soon{color:#B9A6FF;border-color:rgba(122,90,248,.45);background:rgba(122,90,248,.14);}
.badge-gold{color:var(--c-gold);border-color:rgba(245,196,81,.4);background:rgba(245,196,81,.1);}
.badge-mute{color:var(--t3);border-color:var(--line);background:rgba(255,255,255,.03);}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
@media (max-width:1199px){.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.rel-grid{grid-template-columns:1fr;gap:20px;}}
.rel-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  color:var(--t1);
  height:100%;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.rel-card:hover{
  color:var(--t1);
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--sh-1);
}
.rel-ico{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(53,224,200,.1);
  border:1px solid rgba(53,224,200,.28);
  color:var(--c-star);
  font-size:15px;
}
.rel-card h3{font-size:17px;font-weight:600;}
.rel-card p{font-size:14px;color:var(--t3);line-height:1.7;}
.rel-more{font-size:13.5px;font-weight:600;color:var(--c-star);display:inline-flex;align-items:center;gap:6px;margin-top:auto;}
.rel-card:hover .rel-more i{transform:translateX(3px);}
.rel-more i{transition:transform .18s ease-out;}

/* ---------- FAQ ---------- */
.faq-wrap{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;}
.accordion-item{
  background:var(--ink-800);
  border:1px solid var(--line)!important;
  border-radius:14px!important;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  position:relative;
  background:transparent;
  color:var(--t1);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:20px 54px 20px 48px;
  box-shadow:none;
}
.accordion-button::before{
  content:"?";
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  color:var(--c-star);font-weight:700;font-size:15px;
}
.accordion-button::after{
  content:"\f105";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  width:auto;height:auto;
  background-image:none;
  color:var(--t3);
  font-size:15px;
  transition:transform .2s ease-out,color .2s ease-out;
}
.accordion-button:not(.collapsed){
  background:var(--ink-700);
  color:var(--t1);
  box-shadow:inset 3px 0 0 var(--c-star);
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg);color:var(--c-star);}
.accordion-button:hover{background:var(--ink-700);}
.accordion-button:focus-visible{outline:2px solid var(--c-star);outline-offset:-2px;}
.accordion-body{
  padding:0 54px 22px 48px;
  color:var(--t2);
  font-size:15px;
  line-height:1.85;
}
@media (max-width:575px){
  .accordion-button{font-size:15.5px;padding:16px 44px 16px 42px;}
  .accordion-button::before{left:16px;}
  .accordion-body{padding:0 18px 18px 42px;font-size:14.5px;}
}

/* ---------- CTA 横条 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  min-height:220px;
  display:flex;
  align-items:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  opacity:.42;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(53,224,200,.24),rgba(122,90,248,.32));
}
.cta-band .container-x{
  position:relative;z-index:2;
  padding-top:52px;padding-bottom:52px;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;margin-bottom:10px;}
.cta-band p{font-size:15px;color:#D9D5EE;max-width:620px;}
@media (max-width:767px){
  .cta-band .container-x{flex-direction:column;align-items:flex-start;}
  .cta-band .btn-star{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:32px;
}
@media (max-width:991px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575px){.foot-grid{grid-template-columns:1fr;gap:28px;}}
.foot-about p{font-size:14px;color:var(--t3);line-height:1.8;margin:16px 0 0;max-width:340px;}
.foot-title{font-size:14px;font-weight:600;color:var(--t1);margin:0 0 16px;}
.foot-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.foot-list a{font-size:14px;color:var(--t2);}
.foot-list a:hover{color:var(--c-star);}
.foot-sub form{display:flex;flex-direction:column;gap:10px;}
.foot-sub input{
  height:46px;padding:0 14px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--t1);
  font-size:14px;
  outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.foot-sub input::placeholder{color:var(--t3);}
.foot-sub input:focus{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.copy-bar{
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}

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

/* roulang page: category2 */
:root{
  --ink-950:#0B0918;
  --ink-900:#120E24;
  --ink-800:#1A1433;
  --ink-700:#241C45;
  --line:rgba(157,138,255,.16);
  --line-strong:rgba(157,138,255,.32);
  --c-star:#35E0C8;
  --c-nebula:#7A5AF8;
  --c-gold:#F5C451;
  --c-warn:#FF7A8A;
  --t1:#EDEBF7;
  --t2:#A9A3C6;
  --t3:#6F6A8C;
  --paper:#F7F6FC;
  --paper-ink:#1B1730;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 18px 40px -24px rgba(0,0,0,.85);
  --sh-2:0 26px 60px -28px rgba(122,90,248,.45);
  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--t1);
  --bs-primary:var(--c-star);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-btn);
  --bs-link-color:var(--c-star);
  --bs-link-hover-color:var(--c-nebula);
  --bs-focus-ring-color:rgba(53,224,200,.45);
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--t1);
  font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%,rgba(255,255,255,.05) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 68% 8%,rgba(53,224,200,.05) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 84% 62%,rgba(122,90,248,.05) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 32% 78%,rgba(255,255,255,.045) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 52% 44%,rgba(255,255,255,.04) 50%,transparent 51%);
}
a{color:var(--c-star);text-decoration:none;transition:color .18s ease-out}
a:hover,a:focus{color:var(--c-nebula);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-star);outline-offset:2px}
::selection{background:rgba(53,224,200,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink-900)}
::-webkit-scrollbar-thumb{background:var(--ink-700);border-radius:999px;border:2px solid var(--ink-900)}
::-webkit-scrollbar-thumb:hover{background:#342a5e}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:1;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  height:68px;
  display:flex;
  align-items:center;
  background:rgba(11,9,24,.78);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--t1);
  text-decoration:none;
}
.brand:hover{color:var(--t1);text-decoration:none}
.brand-mark{
  width:30px;
  height:30px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--c-star) 0%,var(--c-nebula) 100%);
  position:relative;
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 8px 20px -10px rgba(53,224,200,.7);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:50%;
  border:1.5px solid rgba(11,9,24,.85);
}
.brand:hover .brand-mark{transform:rotate(18deg);box-shadow:0 0 0 1px rgba(53,224,200,.6),0 10px 24px -10px rgba(122,90,248,.9)}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:.02em;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.brand-tag{
  font-size:11px;
  font-weight:600;
  color:var(--c-star);
  border:1px solid rgba(53,224,200,.4);
  background:rgba(53,224,200,.09);
  border-radius:999px;
  padding:1px 7px;
  line-height:1.6;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:14px;
}
.nav-links a{
  display:inline-block;
  position:relative;
  padding:20px 12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--t2);
  text-decoration:none;
  transition:color .18s ease-out;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:14px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background .18s ease-out;
}
.nav-links a:hover{color:var(--t1);text-decoration:none}
.nav-links a:hover::after{background:var(--line-strong)}
.nav-links a[aria-current="page"]{color:var(--t1);font-weight:600}
.nav-links a[aria-current="page"]::after{background:var(--c-star)}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:320px;
  height:40px;
  padding:0 10px 0 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-900);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search:focus-within{
  border-color:var(--c-star);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.command-search i{color:var(--t3);font-size:14px}
.command-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--t1);
  font-size:14px;
  height:100%;
  outline:none;
}
.command-search input::placeholder{color:var(--t3)}
.kbd{
  font-family:'Inter',system-ui,sans-serif;
  font-size:11px;
  font-variant-numeric:tabular-nums;
  color:var(--t2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  line-height:1.6;
  background:var(--ink-800);
  white-space:nowrap;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-900);
  color:var(--t2);
  transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px);text-decoration:none}
.icon-btn:active{transform:scale(.98)}
.btn-star{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  background:linear-gradient(120deg,var(--c-star) 0%,#3ecfb8 55%,rgba(122,90,248,.55) 100%);
  color:#07131A;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  box-shadow:0 12px 28px -18px rgba(53,224,200,.9);
  transition:transform .18s ease-out,filter .18s ease-out,box-shadow .18s ease-out;
  cursor:pointer;
}
.btn-star:hover{color:#07131A;text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-star:active{transform:scale(.98)}
.btn-star.sm{height:38px;padding:0 16px;font-size:14px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:transparent;
  color:var(--t1);
  font-size:15px;
  font-weight:600;
  transition:all .18s ease-out;
  cursor:pointer;
}
.btn-ghost:hover{color:var(--t1);text-decoration:none;border-color:var(--line-strong);background:var(--ink-800);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-star);
  background:none;
  border:0;
  padding:0;
  cursor:pointer;
}
.btn-text i{transition:transform .18s ease-out}
.btn-text:hover i{transform:translateX(3px)}
.btn-text:hover{color:var(--c-nebula)}
.burger{
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-900);
  color:var(--t1);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.burger:hover{border-color:var(--line-strong)}
.offcanvas{
  background:var(--ink-900);
  color:var(--t1);
  border-right:1px solid var(--line)!important;
}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .m-nav a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--t2);
  border-bottom:1px solid var(--line);
}
.offcanvas .m-nav a[aria-current="page"]{color:var(--c-star);font-weight:600}
.offcanvas .m-nav a:hover{color:var(--t1);text-decoration:none}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:56px 0 72px;
  background-image:linear-gradient(180deg,rgba(11,9,24,.72) 0%,rgba(11,9,24,.86) 60%,var(--ink-950) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.crumbs{
  font-size:13px;
  color:var(--t3);
  margin-bottom:22px;
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--t3)}
.crumbs a{color:var(--t2);text-decoration:none}
.crumbs a:hover{color:var(--c-star)}
.crumbs [aria-current="page"]{color:var(--t3)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-star);
  border:1px solid rgba(53,224,200,.35);
  background:rgba(53,224,200,.08);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:20px;
}
h1.cat-title{
  font-size:clamp(34px,4.2vw,56px);
  line-height:1.22;
  font-weight:700;
  max-width:20ch;
  margin-bottom:16px;
}
.cat-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--t2);
  max-width:62ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  max-width:620px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.metric-num{
  font-family:'Inter',system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:var(--t1);
  line-height:1.3;
}
.metric-num span{font-size:15px;color:var(--c-star);margin-left:2px}
.metric-label{font-size:13px;color:var(--t3);margin-top:2px}

/* ---------- Sections ---------- */
.section{padding:88px 0;position:relative}
.section.tight{padding:72px 0}
.section.alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px}
.section-head .kicker{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--c-star);
  text-transform:uppercase;
  display:block;
  margin-bottom:10px;
}
.sec-title{font-size:clamp(26px,3vw,36px);line-height:1.3;font-weight:700}
.sec-sub{font-size:16px;color:var(--t2);margin-top:12px;max-width:66ch}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

.panel{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.panel:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--sh-1)}
.panel.flat:hover{transform:none;border-color:var(--line)}

/* ---------- Tier ladder ---------- */
.tier-list{display:flex;flex-direction:column;gap:12px}
.tier-item{
  position:relative;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px 20px 26px;
  margin-left:calc(var(--step,0) * 14px);
  overflow:hidden;
  transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.tier-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--sh-1)}
.tier-bar{
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--tier,var(--c-star));
}
.tier-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.tier-idx{
  font-family:'Inter',system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--tier,var(--c-star));
  border:1px solid currentColor;
  border-radius:999px;
  padding:1px 9px;
  opacity:.9;
}
.tier-head h3{font-size:18px;font-weight:600}
.tier-cond{font-size:14px;color:var(--t2);line-height:1.75}
.tier-cond b{color:var(--t1);font-weight:600}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  border-radius:999px;
  padding:3px 11px;
  border:1px solid currentColor;
  line-height:1.7;
}
.badge-soft.star{color:var(--c-star);background:rgba(53,224,200,.08)}
.badge-soft.nebula{color:#A895FF;background:rgba(122,90,248,.12)}
.badge-soft.gold{color:var(--c-gold);background:rgba(245,196,81,.1)}
.badge-soft.muted{color:var(--t3);background:rgba(111,106,140,.12)}

/* ---------- Aside card ---------- */
.aside-card{position:sticky;top:88px}
.aside-card h3{font-size:20px;font-weight:600;margin-bottom:14px}
.check-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--t2);
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  line-height:1.75;
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--c-star);font-size:13px;margin-top:7px}
.check-list b{color:var(--t1);font-weight:600}
.aside-cta{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.aside-cta .btn-star{width:100%}

/* ---------- Progress ---------- */
.progress-block{margin-top:26px}
.progress-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t2);margin-bottom:8px}
.progress-meta .pct{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--c-star)}
.progress-track{
  height:6px;
  border-radius:999px;
  background:var(--ink-700);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:0;
  border-radius:999px;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
  transition:width .8s cubic-bezier(.22,.61,.36,1);
}

/* ---------- Table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--ink-800);
}
.table-scroll{overflow-x:auto}
table.star-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.star-table thead th{
  background:var(--ink-900);
  color:var(--t2);
  font-weight:600;
  font-size:13.5px;
  text-align:left;
  padding:14px 20px;
  letter-spacing:.03em;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.star-table tbody td{
  padding:0 20px;
  height:52px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.star-table tbody tr:nth-child(even) td{background:rgba(122,90,248,.045)}
table.star-table tbody tr:last-child td{border-bottom:0}
table.star-table tbody tr:hover td{background:rgba(53,224,200,.05)}
table.star-table td.strong{color:var(--t1);font-weight:600}
table.star-table td.num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- Tag rows ---------- */
.legend-row{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:20px;
  align-items:center;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
}
.legend-row:last-child{border-bottom:0}
.legend-row:hover{background:rgba(122,90,248,.05)}
.legend-row p{font-size:14.5px;color:var(--t2)}

/* ---------- Accordion ---------- */
.rule-list{display:flex;flex-direction:column;gap:12px}
.rule-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--ink-800);
  overflow:hidden;
  transition:border-color .18s ease-out;
}
.rule-item:hover{border-color:var(--line-strong)}
.rule-item.open{border-color:var(--line-strong)}
.rule-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 20px;
  background:transparent;
  border:0;
  color:var(--t1);
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  position:relative;
}
.rule-q::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--c-star),var(--c-nebula));
  opacity:0;
  transition:opacity .18s ease-out;
}
.rule-q[aria-expanded="true"]::before{opacity:1}
.rule-q i.q-icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  font-size:12px;
  font-weight:700;
  color:var(--c-star);
  border:1px solid rgba(53,224,200,.4);
  background:rgba(53,224,200,.08);
}
.rule-q .caret{
  margin-left:auto;
  color:var(--t3);
  font-size:13px;
  transition:transform .2s ease-out;
}
.rule-q[aria-expanded="true"] .caret{transform:rotate(90deg);color:var(--c-star)}
.rule-a{
  padding:0 20px 20px 58px;
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
}

/* ---------- Category grid ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.cat-card{
  display:flex;
  flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  color:var(--t1);
  text-decoration:none;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.cat-card:hover{
  color:var(--t1);
  text-decoration:none;
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--sh-1),var(--sh-2);
}
.cat-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-700)}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.cat-card:hover .cat-thumb img{transform:scale(1.03)}
.cat-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-card h3{font-size:17px;font-weight:600}
.cat-card p{font-size:13.5px;color:var(--t2);line-height:1.75}
.cat-card .more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--c-star);display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .more i{transform:translateX(3px)}
.cat-card .more i{transition:transform .18s ease-out}
.pill-abs{
  position:absolute;
  top:12px;
  left:12px;
  font-size:12px;
  font-weight:600;
  color:var(--t1);
  background:rgba(11,9,24,.72);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 10px;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  min-height:220px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(100deg,rgba(53,224,200,.3) 0%,rgba(122,90,248,.3) 55%,rgba(11,9,24,.86) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-band .container-x{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-top:44px;padding-bottom:44px}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin-bottom:10px}
.cta-band p{font-size:15.5px;color:rgba(237,235,247,.86);max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:32px;
  padding-bottom:44px;
}
.foot-about p{font-size:14px;color:var(--t2);margin-top:16px;max-width:38ch;line-height:1.85}
.foot-title{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px}
.foot-list li{margin-bottom:10px}
.foot-list a{font-size:14px;color:var(--t2);text-decoration:none}
.foot-list a:hover{color:var(--c-star)}
.foot-sub form{display:flex;flex-direction:column;gap:10px}
.foot-sub input{
  height:46px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-800);
  color:var(--t1);
  padding:0 14px;
  font-size:14px;
  outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.foot-sub input::placeholder{color:var(--t3)}
.foot-sub input:focus{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.16)}
.foot-sub .btn-star{width:100%;height:46px}
.copy-bar{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .aside-card{position:static;margin-top:28px}
}
@media (max-width:991.98px){
  .site-header{height:64px}
  .cat-hero{padding:44px 0 56px}
  .section{padding:64px 0}
  .section.tight{padding:56px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .container-x{padding-left:16px;padding-right:16px}
  .nav-links{margin-left:0}
  .section{padding:48px 0}
  .cat-grid{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:18px}
  .hero-actions .btn-star,.hero-actions .btn-ghost{width:100%}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-star,.cta-actions .btn-ghost{width:100%}
  .legend-row{grid-template-columns:1fr;gap:8px}
  .rule-a{padding-left:20px}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .copy-bar{flex-direction:column;align-items:flex-start;gap:6px}
  .tier-item{margin-left:0}
}
@media (max-width:575.98px){
  .hero-metrics{grid-template-columns:1fr}
  h1.cat-title{font-size:30px}
  .sec-title{font-size:25px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .progress-fill{transition:none}
}

/* roulang page: category3 */
:root{
  --ink-950:#0B0918;
  --ink-900:#120E24;
  --ink-800:#1A1433;
  --ink-700:#241C45;
  --line:rgba(157,138,255,.16);
  --line-strong:rgba(157,138,255,.32);
  --c-star:#35E0C8;
  --c-nebula:#7A5AF8;
  --c-gold:#F5C451;
  --c-warn:#FF7A8A;
  --t1:#EDEBF7;
  --t2:#A9A3C6;
  --t3:#6F6A8C;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 18px 40px -24px rgba(0,0,0,.85);
  --sh-2:0 26px 60px -28px rgba(122,90,248,.45);

  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--t1);
  --bs-primary:#35E0C8;
  --bs-border-color:rgba(157,138,255,.16);
  --bs-border-radius:14px;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#7A5AF8;
  --bs-focus-ring-color:rgba(53,224,200,.35);
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--t1);
  font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.9;
}
img{max-width:100%;display:block}
a{color:var(--c-star);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-nebula)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:.01em}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-star);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media(max-width:767px){.container-x{padding:0 16px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,24,.84);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1)}
.brand:hover{color:var(--t1)}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:50%;
  background:conic-gradient(from 210deg,#35E0C8,#7A5AF8,#35E0C8);
  transition:transform .2s ease, box-shadow .2s ease;
  flex:0 0 auto;
}
.brand-mark::before{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--ink-950)}
.brand-mark::after{content:"";position:absolute;top:-2px;right:-1px;width:7px;height:7px;border-radius:50%;background:var(--c-gold);box-shadow:0 0 8px rgba(245,196,81,.8)}
.brand:hover .brand-mark{transform:rotate(18deg);box-shadow:0 0 18px rgba(53,224,200,.45)}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-tag{
  display:inline-block;margin-left:6px;padding:1px 7px;font-size:11px;font-weight:600;
  color:var(--c-star);border:1px solid rgba(53,224,200,.42);border-radius:999px;
  background:rgba(53,224,200,.08);vertical-align:2px;letter-spacing:.06em;
}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links li a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--t2);transition:all .18s ease;
}
.nav-links li a:hover{color:var(--t1);background:rgba(157,138,255,.08)}
.nav-links li a[aria-current="page"]{color:var(--t1);font-weight:600}
.nav-links li a[aria-current="page"]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:10px;width:320px;height:40px;
  padding:0 12px;border-radius:12px;border:1px solid var(--line);
  background:rgba(26,20,51,.72);transition:all .18s ease;
}
.cmd-search i{color:var(--t3);font-size:13px}
.cmd-search input{
  flex:1;background:none;border:0;outline:none;color:var(--t1);
  font-size:13.5px;letter-spacing:.02em;
}
.cmd-search input::placeholder{color:var(--t3)}
.cmd-search:focus-within{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}
.cmd-kbd{
  font-family:'Inter',ui-monospace,monospace;font-size:11px;color:var(--t2);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.5;
}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:rgba(26,20,51,.72);
  color:var(--t2);transition:all .18s ease;cursor:pointer;
}
.icon-btn:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px)}
.btn-star{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:0;
  background:linear-gradient(135deg,#35E0C8,#2fc9d8);
  color:#04191a;font-size:14.5px;font-weight:700;letter-spacing:.02em;
  cursor:pointer;transition:all .18s ease;
}
.btn-star:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-2);color:#04191a}
.btn-star:active{transform:scale(.98)}
.btn-star.lg{height:48px;padding:0 26px;font-size:15px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:transparent;color:var(--t1);
  font-size:14.5px;font-weight:600;cursor:pointer;transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(157,138,255,.08);color:var(--t1);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-star);font-weight:600;font-size:14px}
.btn-text i{transition:transform .18s ease}
.btn-text:hover i{transform:translateX(3px)}
@media(max-width:767px){.btn-star,.btn-ghost{width:100%}}

/* offcanvas 抽屉 */
.offcanvas{background:var(--ink-900);color:var(--t1);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .drawer-nav li a{
  display:block;padding:14px 4px;font-size:16px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.offcanvas .drawer-nav li a[aria-current="page"]{color:var(--c-star);font-weight:600}
.offcanvas .cmd-search{width:100%;margin:18px 0}
.btn-close{filter:invert(1) grayscale(1) brightness(2)}

/* ============ 通用板块 ============ */
.sec{padding:88px 0;position:relative;z-index:1}
.sec-tight{padding:64px 0}
.sec-alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(max-width:991px){.sec{padding:64px 0}.sec-tight{padding:48px 0}}
@media(max-width:575px){.sec{padding:48px 0}.sec-tight{padding:40px 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--c-star);border:1px solid rgba(53,224,200,.36);background:rgba(53,224,200,.08);
  letter-spacing:.06em;
}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(26px,3vw,36px);line-height:1.3;margin-bottom:12px}
.sec-head p{color:var(--t2);font-size:15.5px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.sec-row .sec-head{margin-bottom:0}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:460px;
  display:flex;align-items:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px) 0 0/24px 24px,
    linear-gradient(100deg, rgba(11,9,24,.95) 0%, rgba(11,9,24,.78) 48%, rgba(122,90,248,.36) 100%);
}
.page-hero .container-x{padding-top:64px;padding-bottom:64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:18px}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--c-star)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--t3)}
.hero-h1{font-size:clamp(34px,4.2vw,52px);line-height:1.22;font-weight:700;margin:16px 0 18px}
.hero-lead{color:var(--t2);font-size:16.5px;max-width:620px}
.hero-btns{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:34px;flex-wrap:wrap}
.hero-stats .hs-num{
  font-family:'Inter',ui-monospace,monospace;font-size:26px;font-weight:700;color:var(--t1);
  letter-spacing:.02em;
}
.hero-stats .hs-num em{font-style:normal;color:var(--c-star);font-size:16px;margin-left:2px}
.hero-stats .hs-label{font-size:13px;color:var(--t3);margin-top:2px}

.glass-card{
  background:linear-gradient(160deg,rgba(26,20,51,.96),rgba(18,14,36,.96));
  border:1px solid var(--line-strong);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
}
.today-card .tc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.today-card .tc-head h2{font-size:18px;font-weight:600}
.tc-row{
  display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line);
}
.tc-row i{width:32px;height:32px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:rgba(53,224,200,.12);color:var(--c-star);font-size:13px}
.tc-row .tc-name{flex:1;font-size:14.5px;color:var(--t1)}
.tc-row .tc-meta{display:block;font-size:12.5px;color:var(--t3);margin-top:2px}
.today-card .tc-foot{margin-top:18px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--t3)}

/* 徽章 */
.badge-x{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  letter-spacing:.03em;white-space:nowrap;border:1px solid transparent;
}
.badge-x.live{color:var(--c-star);border-color:rgba(53,224,200,.42);background:rgba(53,224,200,.1)}
.badge-x.wait{color:#a892ff;border-color:rgba(122,90,248,.42);background:rgba(122,90,248,.12)}
.badge-x.done{color:var(--c-gold);border-color:rgba(245,196,81,.4);background:rgba(245,196,81,.1)}
.badge-x.over{color:var(--t3);border-color:rgba(111,106,140,.4);background:rgba(111,106,140,.12)}
.badge-x .dot{width:6px;height:6px;border-radius:50%;background:currentColor}

/* chips */
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(26,20,51,.6);
  color:var(--t2);font-size:13.5px;font-weight:500;cursor:pointer;
  transition:all .18s ease;
}
.chip:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px)}
.chip.active{
  color:#04191a;font-weight:700;border-color:transparent;
  background:linear-gradient(135deg,#35E0C8,#2fc9d8);
}
.chip .chip-num{font-family:'Inter',monospace;font-size:12px;opacity:.75}

/* ============ 日历网格 ============ */
.cal-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--ink-800);
  padding:24px;box-shadow:var(--sh-1);
}
.cal-head{display:grid;grid-template-columns:repeat(7,1fr);gap:14px;margin-bottom:14px}
.cal-head span{font-size:13px;color:var(--t3);letter-spacing:.08em;text-align:center}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.cal-cell{
  display:flex;flex-direction:column;gap:10px;
  min-height:152px;padding:16px;border-radius:14px;
  background:var(--ink-900);border:1px solid var(--line);
  transition:all .18s ease;
}
.cal-cell:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.cal-cell .cal-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.cal-day{font-family:'Inter',ui-monospace,monospace;font-size:12.5px;color:var(--t3);letter-spacing:.04em}
.cal-task{font-size:14.5px;font-weight:600;color:var(--t1);line-height:1.55}
.cal-meta{font-size:12.5px;color:var(--t3);margin-top:auto}
.cal-cell[data-type="daily"]{border-left:3px solid rgba(53,224,200,.55)}
.cal-cell[data-type="stage"]{border-left:3px solid rgba(122,90,248,.55)}
.cal-cell[data-type="limited"]{border-left:3px solid rgba(245,196,81,.5)}
.cal-cell[data-type="team"]{border-left:3px solid rgba(169,163,198,.4)}
.cal-cell.is-hidden{display:none}

/* ============ 进度 / 时间轴 ============ */
.progress-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--ink-800);
  padding:28px;box-shadow:var(--sh-1);
}
.pc-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.pc-top h3{font-size:20px;font-weight:600}
.pc-top p{color:var(--t2);font-size:14px;margin-top:6px}
.pc-num{font-family:'Inter',ui-monospace,monospace;font-size:34px;font-weight:700;color:var(--c-star);line-height:1}
.pc-num small{font-size:14px;color:var(--t3);font-weight:500;margin-left:4px}
.progress-track{height:6px;border-radius:999px;background:var(--ink-700);overflow:hidden}
.progress-fill{
  height:100%;border-radius:999px;width:0;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
  animation:growBar .6s ease-out forwards;
}
@keyframes growBar{from{width:0}to{width:68%}}
.tl-steps{display:flex;margin-top:34px}
.tl-step{flex:1;position:relative;padding-top:30px}
.tl-dot{
  position:absolute;top:6px;left:0;width:12px;height:12px;border-radius:50%;
  border:2px solid var(--line-strong);background:var(--ink-900);
}
.tl-step.done .tl-dot{border-color:var(--c-star);background:var(--c-star);box-shadow:0 0 10px rgba(53,224,200,.6)}
.tl-step.now .tl-dot{border-color:var(--c-nebula);background:var(--c-nebula);box-shadow:0 0 12px rgba(122,90,248,.7)}
.tl-step::after{
  content:"";position:absolute;top:11px;left:6px;width:100%;height:2px;background:var(--ink-700);
}
.tl-step:last-child::after{display:none}
.tl-step.done::after{background:linear-gradient(90deg,var(--c-star),rgba(53,224,200,.25))}
.tl-name{display:block;font-size:14.5px;font-weight:600;color:var(--t1);margin-bottom:8px}
.tl-desc{display:block;font-size:12.5px;color:var(--t3);margin-top:8px;max-width:180px}
@media(max-width:767px){
  .tl-steps{flex-direction:column;gap:22px;margin-top:28px}
  .tl-step{padding-top:0;padding-left:30px}
  .tl-dot{top:4px}
  .tl-step::after{top:16px;left:5px;width:2px;height:calc(100% + 22px)}
  .tl-desc{max-width:none}
}

/* ============ 任务说明（非对称） ============ */
.task-item{display:flex;gap:22px;padding:26px 0;border-top:1px solid var(--line)}
.task-item:first-of-type{border-top:0;padding-top:0}
.task-media{
  flex:0 0 220px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-800);
}
.task-media img{width:100%;height:150px;object-fit:cover;transition:transform .3s ease}
.task-item:hover .task-media img{transform:scale(1.04)}
.task-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.task-body p{color:var(--t2);font-size:15px;margin-bottom:14px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--t2);padding:4px 0;
}
.check-list li i{color:var(--c-star);font-size:12px;margin-top:8px}
@media(max-width:767px){
  .task-item{flex-direction:column;gap:16px}
  .task-media{flex:none;width:100%}
}

.sticky-side{position:sticky;top:92px}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--ink-800);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;font-weight:600;margin-bottom:16px}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--t2);
}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list li i{color:var(--c-nebula);font-size:12px;margin-top:7px}
.side-card .btn-star,.side-card .btn-ghost{margin-top:18px}
@media(max-width:991px){.sticky-side{position:static;margin-top:32px}}

/* ============ FAQ ============ */
.faq-side h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;margin-bottom:14px}
.faq-side p{color:var(--t2);font-size:15px;margin-bottom:20px}
.accordion-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:transparent;color:var(--t1);font-size:16.5px;font-weight:600;
  padding:18px 20px 18px 50px;box-shadow:none;letter-spacing:.02em;
}
.accordion-button:not(.collapsed){
  color:var(--t1);
  background:linear-gradient(90deg,rgba(53,224,200,.2),rgba(122,90,248,.06));
  box-shadow:none;
}
.accordion-button:hover{background:rgba(157,138,255,.07)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::before{
  content:"?";position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--c-star);
  border:1px solid rgba(53,224,200,.42);background:rgba(53,224,200,.08);
}
.accordion-button::after{
  background-image:none;content:"›";
  font-size:22px;line-height:1;color:var(--c-star);
  width:auto;height:auto;display:flex;align-items:center;justify-content:center;
  transform:rotate(0deg);transition:transform .22s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg)}
.accordion-body{padding:4px 22px 22px 50px;color:var(--t2);font-size:15px;line-height:1.85}
@media(max-width:575px){
  .accordion-button{font-size:15.5px;padding:16px 16px 16px 44px}
  .accordion-button::before{left:16px}
  .accordion-body{padding:2px 18px 18px 44px}
}

/* ============ 相关分类卡 ============ */
.cat-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--ink-800);box-shadow:var(--sh-1);height:100%;
  transition:all .18s ease;
}
.cat-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.cat-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-700)}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.cat-card:hover .cat-thumb img{transform:scale(1.04)}
.cat-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-body h3{font-size:17.5px;font-weight:600;line-height:1.5}
.cat-body p{font-size:14px;color:var(--t2);flex:1}
.cat-body .cat-link{font-size:13.5px;font-weight:600;color:var(--c-star);display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .cat-link i{transform:translateX(3px)}
.cat-body .cat-link i{transition:transform .18s ease}

/* ============ CTA 横条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  min-height:220px;display:flex;align-items:center;
  border:1px solid var(--line-strong);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,9,24,.92) 6%,rgba(53,224,200,.3) 55%,rgba(122,90,248,.36) 100%);
}
.cta-band .cta-inner{
  position:relative;z-index:2;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 40px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;margin-bottom:10px}
.cta-band p{color:var(--t2);font-size:15px;max-width:560px}
@media(max-width:767px){.cta-band .cta-inner{padding:32px 22px}}

/* ============ footer ============ */
.site-footer{
  margin-top:0;background:var(--ink-900);
  border-top:1px solid var(--line);position:relative;z-index:1;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;
  padding:64px 0 48px;
}
.foot-about .brand{margin-bottom:16px}
.foot-about p{font-size:14px;color:var(--t2);max-width:340px}
.foot-title{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.04em}
.foot-list li{margin-bottom:10px}
.foot-list li a{font-size:14px;color:var(--t2)}
.foot-list li a:hover{color:var(--c-star)}
.foot-sub form{display:flex;flex-direction:column;gap:12px}
.foot-sub input{
  height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(26,20,51,.7);color:var(--t1);font-size:14px;outline:none;
  transition:all .18s ease;
}
.foot-sub input::placeholder{color:var(--t3)}
.foot-sub input:focus{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}
.copy-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
@media(max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
}
@media(max-width:575px){
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .progress-fill{width:68%}
}

/* roulang page: category4 */
:root{
  --ink-950:#0B0918;
  --ink-900:#120E24;
  --ink-800:#1A1433;
  --ink-700:#241C45;
  --line:rgba(157,138,255,.16);
  --line-strong:rgba(157,138,255,.32);
  --c-star:#35E0C8;
  --c-nebula:#7A5AF8;
  --c-gold:#F5C451;
  --c-warn:#FF7A8A;
  --t1:#EDEBF7;
  --t2:#A9A3C6;
  --t3:#6F6A8C;
  --paper:#F7F6FC;
  --paper-ink:#1B1730;
  --paper-ink2:#4A4566;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --sh-1:0 18px 40px -24px rgba(0,0,0,.85);
  --sh-2:0 26px 60px -28px rgba(122,90,248,.45);

  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--t1);
  --bs-primary:var(--c-star);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-btn);
  --bs-link-color:var(--c-star);
  --bs-link-hover-color:var(--c-nebula);
  --bs-focus-ring-color:rgba(53,224,200,.45);
  --bs-font-sans-serif:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--t1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:
    radial-gradient(rgba(255,255,255,.95) 1px, transparent 1px),
    radial-gradient(rgba(157,138,255,.9) 1px, transparent 1px);
  background-size:210px 210px,150px 150px;
  background-position:0 0,72px 96px;
}
header,main,footer{position:relative;z-index:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-star);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-nebula);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;font-weight:700;color:var(--t1)}
p{margin:0}
::selection{background:rgba(53,224,200,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink-900)}
::-webkit-scrollbar-thumb{background:var(--ink-700);border-radius:999px;border:2px solid var(--ink-900)}
::-webkit-scrollbar-thumb:hover{background:rgba(157,138,255,.45)}
:focus-visible{outline:2px solid var(--c-star);outline-offset:2px;border-radius:6px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-star);color:#08110f;padding:10px 16px;border-radius:0 0 12px 0;z-index:2000}
.skip-link:focus{left:0}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,24,.84);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:30px;height:30px;border-radius:9px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-star),var(--c-nebula));
  box-shadow:0 0 0 1px rgba(53,224,200,.25),0 10px 22px -12px rgba(53,224,200,.7);
  transition:transform .2s ease-out;
}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;border:2px solid rgba(11,9,24,.88)}
.brand-mark::before{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:#0B0918;top:4px;right:5px}
.brand:hover .brand-mark{transform:rotate(18deg)}
.brand-text{font-size:19px;font-weight:700;color:var(--t1);letter-spacing:.02em;white-space:nowrap}
.brand-tag{
  display:inline-block;margin-left:6px;font-size:11px;font-weight:600;line-height:1;
  padding:4px 6px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--c-star);background:rgba(53,224,200,.08);vertical-align:middle;
}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{
  position:relative;display:inline-block;padding:22px 0;
  font-size:15px;font-weight:500;color:var(--t2);text-decoration:none;white-space:nowrap;
  transition:color .18s ease-out;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--t1);text-decoration:none}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--t1);font-weight:600}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}

.command-search{
  display:flex;align-items:center;gap:8px;
  width:320px;height:40px;padding:0 12px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:12px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search i{color:var(--t3);font-size:13px}
.command-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:var(--t1);font-size:14px;
}
.command-search input::placeholder{color:var(--t3)}
.command-search kbd{
  font-family:'Inter',ui-monospace,monospace;font-size:11px;color:var(--t2);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;background:var(--ink-900);
}
.command-search:focus-within{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}

.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-800);border:1px solid var(--line);border-radius:12px;
  color:var(--t2);cursor:pointer;transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px)}
.icon-btn:active{transform:translateY(0) scale(.98)}

.btn-star,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;text-decoration:none;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-star{
  background:linear-gradient(135deg,var(--c-star),#2ab8e0 55%,var(--c-nebula));
  color:#08110F;box-shadow:var(--sh-2);
}
.btn-star:hover{color:#08110F;transform:translateY(-3px);box-shadow:0 30px 64px -26px rgba(53,224,200,.6);text-decoration:none}
.btn-star:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{color:var(--t1);border-color:var(--line-strong);background:var(--ink-800);transform:translateY(-3px);text-decoration:none}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-text{height:auto;padding:0;color:var(--c-star);background:none;border:0}
.btn-text i{transition:transform .18s ease-out}
.btn-text:hover{color:var(--c-nebula);text-decoration:none}
.btn-text:hover i{transform:translateX(3px)}
.btn-lg-x{height:48px;padding:0 26px;font-size:16px}

/* ===== Offcanvas ===== */
.drawer{background:var(--ink-900);border-left:1px solid var(--line);width:320px;color:var(--t1)}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;color:var(--t2);font-size:15px;font-weight:500;text-decoration:none;
  border:1px solid transparent;transition:all .18s ease-out;
}
.drawer-nav a:hover{color:var(--t1);background:var(--ink-800);border-color:var(--line);text-decoration:none}
.drawer-nav a[aria-current="page"]{color:var(--c-star);background:rgba(53,224,200,.08);border-color:var(--line-strong)}
.drawer-search{width:100%;margin-bottom:16px}

/* ===== Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,9,24,.94) 0%,rgba(11,9,24,.82) 48%,rgba(18,14,36,.72) 100%);
}
.page-hero .container-x{position:relative;z-index:2}
.crumb{margin-bottom:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--t3);opacity:.65}
.crumb a{color:var(--t2);text-decoration:none}
.crumb a:hover{color:var(--c-star)}
.crumb [aria-current="page"]{color:var(--t3)}
.pill-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--c-star);border:1px solid var(--line-strong);background:rgba(53,224,200,.08);
  margin-bottom:18px;
}
.pill-badge i{font-size:11px}
.page-hero h1{
  font-size:clamp(34px,4.2vw,56px);line-height:1.22;font-weight:700;
  max-width:900px;margin-bottom:16px;
}
.hero-sub{font-size:clamp(16px,1.5vw,19px);line-height:1.8;color:var(--t2);max-width:700px;margin-bottom:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-box{
  flex:1 1 180px;max-width:240px;
  background:rgba(26,20,51,.72);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;backdrop-filter:blur(4px);
}
.stat-num{
  font-family:'Inter',ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--t1);line-height:1.2;
}
.stat-num small{font-size:14px;margin-left:2px;color:var(--t2);font-weight:500}
.stat-label{font-size:13px;color:var(--t3);margin-top:4px}

/* ===== Sections ===== */
.section{padding:88px 0}
.section-alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.3}
.section-head p{color:var(--t2);font-size:15.5px;margin-top:12px;max-width:640px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.16em;
  color:var(--c-star);text-transform:uppercase;margin-bottom:12px;
}

/* filter chips */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:500;
  color:var(--t2);background:var(--ink-800);border:1px solid var(--line);
  cursor:pointer;transition:all .18s ease-out;
}
.chip:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px)}
.chip[aria-pressed="true"]{color:var(--c-star);border-color:var(--line-strong);background:rgba(53,224,200,.1)}

/* info list */
.info-list{display:flex;flex-direction:column;gap:14px}
.info-item{
  display:flex;align-items:center;gap:18px;
  padding:20px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
  box-shadow:var(--sh-1);text-decoration:none;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.info-item:hover{
  transform:translateY(-3px);border-color:var(--line-strong);
  background:var(--ink-700);text-decoration:none;
  box-shadow:0 26px 60px -30px rgba(122,90,248,.5);
}
.info-main{flex:1;min-width:0}
.info-top{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5;
  border:1px solid var(--line-strong);color:var(--c-star);background:rgba(53,224,200,.08);
}
.badge-gold{color:var(--c-gold);border-color:rgba(245,196,81,.32);background:rgba(245,196,81,.08)}
.badge-nebula{color:#B9A6FF;border-color:rgba(122,90,248,.36);background:rgba(122,90,248,.1)}
.badge-mute{color:var(--t3);border-color:var(--line);background:rgba(157,138,255,.05)}
.info-date{font-size:13px;color:var(--t3);font-family:'Inter',ui-monospace,monospace}
.info-item h3{
  font-size:17.5px;font-weight:600;line-height:1.55;color:var(--t1);
  margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-item p{
  font-size:14.5px;color:var(--t2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.info-arrow{color:var(--t3);font-size:14px;flex-shrink:0;transition:transform .18s ease-out,color .18s ease-out}
.info-item:hover .info-arrow{color:var(--c-star);transform:translateX(4px)}

/* side card */
.side-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--t3);
  text-transform:uppercase;margin-bottom:14px;
}
.anchor-list,.cat-list{display:flex;flex-direction:column;gap:2px;margin-bottom:26px}
.anchor-list a,.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:12px;font-size:14.5px;color:var(--t2);
  text-decoration:none;border:1px solid transparent;transition:all .18s ease-out;
}
.anchor-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;flex-shrink:0;
  background:var(--c-star);opacity:.55;
}
.anchor-list a span{flex:1}
.anchor-list a:hover,.cat-list a:hover{color:var(--t1);background:var(--ink-700);border-color:var(--line);text-decoration:none}
.cat-list a i{font-size:12px;color:var(--t3);transition:transform .18s ease-out}
.cat-list a:hover i{transform:translateX(3px);color:var(--c-star)}

.notice-card{
  margin-top:24px;padding:18px;border-radius:14px;
  background:linear-gradient(150deg,rgba(53,224,200,.1),rgba(122,90,248,.1));
  border:1px solid var(--line);
}
.notice-card h4{font-size:15px;font-weight:600;margin-bottom:8px;color:var(--t1)}
.notice-card p{font-size:13.5px;color:var(--t2);line-height:1.75}

/* asymmetric feature row */
.feature-figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--ink-800);
}
.feature-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.kv-list{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.kv-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t2);line-height:1.8}
.kv-list i{color:var(--c-star);margin-top:7px;font-size:13px;flex-shrink:0}

/* table */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--ink-800);box-shadow:var(--sh-1);
}
.table-dark-x{width:100%;min-width:680px;border-collapse:collapse}
.table-dark-x th{
  background:var(--ink-900);color:var(--t2);font-size:13.5px;font-weight:600;
  text-align:left;padding:16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-dark-x td{
  padding:14px 16px;height:48px;font-size:14.5px;color:var(--t2);
  border-bottom:1px solid var(--line);vertical-align:middle;
}
.table-dark-x tbody tr:last-child td{border-bottom:0}
.table-dark-x tbody tr:nth-child(even){background:rgba(157,138,255,.05)}
.table-dark-x tbody tr:hover{background:var(--ink-700)}
.table-dark-x td strong{color:var(--t1);font-weight:600}

/* timeline */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:12px}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:11px;height:2px;
  background:linear-gradient(90deg,rgba(53,224,200,.55),rgba(122,90,248,.4));
}
.tl-step{position:relative;padding-top:36px}
.tl-dot{
  position:absolute;top:0;left:0;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-800);border:2px solid var(--c-star);color:var(--c-star);
  font-size:10px;z-index:2;
}
.tl-step:nth-child(n+4) .tl-dot{border-color:var(--c-nebula);color:#B9A6FF;background:var(--ink-800)}
.tl-step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.tl-step p{font-size:14px;color:var(--t2);line-height:1.75}

/* progress */
.progress-wrap{margin-top:36px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.progress-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.progress-head span{font-size:14px;color:var(--t2)}
.progress-head b{font-family:'Inter',ui-monospace,monospace;font-variant-numeric:tabular-nums;font-size:18px;color:var(--c-star)}
.progress-track{height:6px;border-radius:999px;background:var(--ink-700);overflow:hidden}
.progress-fill{
  height:100%;width:62%;border-radius:999px;
  background:linear-gradient(90deg,var(--c-star),var(--c-nebula));
  animation:fillin .6s ease-out both;
}
@keyframes fillin{from{width:0}to{width:62%}}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(26px,3vw,36px);line-height:1.3;margin-bottom:14px}
.faq-intro p{color:var(--t2);font-size:15.5px;margin-bottom:22px}
.accordion-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  position:relative;width:100%;text-align:left;
  background:transparent;border:0;box-shadow:none;
  color:var(--t1);font-size:17px;font-weight:600;line-height:1.6;
  padding:18px 52px 18px 52px;
  display:flex;align-items:center;
  transition:color .18s ease-out,background .18s ease-out;
}
.accordion-button::before{
  content:"?";position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;font-family:'Inter',sans-serif;
  color:var(--c-star);border:1px solid var(--line-strong);background:rgba(53,224,200,.08);
}
.accordion-button::after{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--t3);background-image:none;
  transition:transform .2s ease-out,color .2s ease-out;
}
.accordion-button:not(.collapsed){
  color:var(--c-star);
  background-image:linear-gradient(180deg,var(--c-star),var(--c-nebula));
  background-repeat:no-repeat;background-size:3px 100%;background-position:left top;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);color:var(--c-star)}
.accordion-button:focus{box-shadow:none;outline:none}
.accordion-button:focus-visible{outline:2px solid var(--c-star);outline-offset:-2px}
.accordion-body{padding:0 24px 20px 52px;font-size:15px;line-height:1.85;color:var(--t2)}
.accordion-collapse{border-top:1px solid transparent}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;
  min-height:220px;display:flex;align-items:center;
  padding:48px 0;
  border-top:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,9,24,.92),rgba(53,224,200,.18) 45%,rgba(122,90,248,.28));
}
.cta-band .container-x{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:10px}
.cta-inner p{color:var(--t2);font-size:15.5px;max-width:640px}

/* Footer */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.foot-about p{font-size:14px;color:var(--t2);line-height:1.85;margin-top:18px;max-width:340px}
.foot-title{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.04em}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-list a{font-size:14px;color:var(--t2);text-decoration:none;transition:color .18s ease-out}
.foot-list a:hover{color:var(--c-star);text-decoration:none}
.foot-sub form{display:flex;flex-direction:column;gap:10px}
.foot-sub input{
  height:46px;padding:0 14px;border-radius:12px;
  background:var(--ink-800);border:1px solid var(--line);color:var(--t1);
  font-size:14px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.foot-sub input::placeholder{color:var(--t3)}
.foot-sub input:focus{border-color:var(--c-star);box-shadow:0 0 0 3px rgba(53,224,200,.18)}
.foot-sub .btn-star{width:100%}
.copy-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 26px;
  font-size:13px;color:var(--t3);
}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

section[id]{scroll-margin-top:88px}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .progress-fill{width:62%}
}

@media (max-width:1199.98px){
  .command-search{width:260px}
  .nav-links{gap:20px}
  .nav-links a{font-size:14.5px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .page-hero{padding:44px 0 48px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:24px}
  .timeline::before{display:none}
  .tl-step{padding-top:0;padding-left:36px}
  .tl-dot{top:2px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px}
  .section{padding:48px 0}
  .page-hero h1{font-size:clamp(28px,7vw,38px)}
  .hero-sub{font-size:15.5px;margin-bottom:26px}
  .stat-box{flex:1 1 100%;max-width:none}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .copy-bar{flex-direction:column;align-items:flex-start;gap:8px}
  .info-item{padding:16px}
  .info-item p{-webkit-line-clamp:2}
  .btn-star,.btn-ghost{width:100%}
  .header-tools .btn-star{width:auto}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn-star{width:100%}
  .accordion-button{font-size:16px;padding:16px 46px 16px 46px}
  .accordion-body{padding:0 20px 18px 46px}
  .side-card{padding:20px}
}
@media (max-width:575.98px){
  .timeline{grid-template-columns:1fr}
  .hero-stats{gap:10px}
  .stat-num{font-size:22px}
  .section-head{margin-bottom:26px}
}