/* roulang page: index */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-hover:#57F0DA;
  --c-primary-press:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --c-rare:#C77BFF;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(47,225,200,.28);
  --glass:linear-gradient(160deg, rgba(24,36,60,.72), rgba(10,16,28,.58));
  --shadow-card:0 24px 48px -24px rgba(0,0,0,.85);
  --shadow-glow:0 8px 28px rgba(47,225,200,.35);
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-img:14px;
  --mono:"Oxanium",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(34px,4.6vw,58px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.005em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{font-size:16px;line-height:1.85;color:var(--t-2)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,225,200,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--t-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--c-primary);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(47,225,200,.07);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,opacity .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#04211D;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(47,225,200,.45)}
.btn-primary:active{background:var(--c-primary-press);transform:translateY(0);box-shadow:0 4px 14px rgba(47,225,200,.28)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(47,225,200,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(47,225,200,.18)}
.btn-text{padding:6px 2px;color:var(--c-primary);border-radius:0;position:relative}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.btn-text:hover::after{transform:scaleX(1)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ===== Badges / Tags ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--t-2);background:rgba(255,255,255,.03);
}
.tag-primary{color:var(--c-primary);border-color:rgba(47,225,200,.34);background:rgba(47,225,200,.08)}
.tag-accent{color:var(--c-accent);border-color:rgba(255,178,63,.34);background:rgba(255,178,63,.08)}
.tag-hot{color:var(--c-hot);border-color:rgba(255,92,122,.34);background:rgba(255,92,122,.08)}
.tag-rare{color:var(--c-rare);border-color:rgba(199,123,255,.34);background:rgba(199,123,255,.08)}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:999px}
.status-live{color:#062B25;background:var(--c-primary)}
.status-soon{color:#2B1A00;background:var(--c-accent)}
.status-end{color:var(--t-3);background:rgba(255,255,255,.06);border:1px solid var(--line)}
.status-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#062B25;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(5,7,14,.74);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.94);box-shadow:0 12px 32px -18px rgba(0,0,0,.9)}
.nav-bar{display:flex;align-items:center;gap:28px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .nav-bar{height:60px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(47,225,200,.22),rgba(255,178,63,.10));
  border:1px solid var(--line-strong);
  color:var(--c-primary);font-weight:800;font-size:19px;font-family:var(--mono);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--t-1)}
.brand-sub{font-size:10px;letter-spacing:.24em;color:var(--c-primary);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-links a{
  position:relative;
  padding:8px 13px;border-radius:10px;
  font-size:15px;color:var(--t-2);font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--t-1);background:rgba(255,255,255,.05)}
.nav-links a:active{background:rgba(255,255,255,.09)}
.nav-links a.is-active{color:var(--c-primary);background:rgba(47,225,200,.10)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-primary);box-shadow:0 0 12px rgba(47,225,200,.7);
}
.nav-side{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-clock{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:999px;
  border:1px solid rgba(255,178,63,.30);
  background:rgba(255,178,63,.08);
  font-size:12px;color:var(--c-accent);letter-spacing:.04em;
}
.nav-clock b{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em}
.nav-cta{padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t-1);border-radius:2px;position:relative;transition:transform .2s ease,background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);border-radius:2px;transition:transform .2s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:190;
  background:rgba(5,7,14,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:28px 24px 40px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;flex-direction:column;gap:8px}
.mobile-drawer a{display:block;padding:15px 16px;border-radius:14px;font-size:16px;color:var(--t-1);border:1px solid var(--line);background:rgba(255,255,255,.03)}
.mobile-drawer a.is-active{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.08)}
.mobile-drawer .drawer-cta{margin-top:auto;text-align:center;border:0;background:var(--c-primary);color:#04211D;font-weight:700;box-shadow:var(--shadow-glow)}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 0;
  background:
    radial-gradient(900px 520px at 82% -10%, rgba(47,225,200,.12), transparent 62%),
    radial-gradient(720px 420px at 6% 18%, rgba(255,178,63,.07), transparent 66%),
    var(--bg-0);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;padding-bottom:60px}
.hero-copy h1{margin:18px 0 20px;color:#fff}
.hero-copy h1 em{font-style:normal;color:var(--c-primary)}
.hero-lead{font-size:17px;line-height:1.9;color:var(--t-2);max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.hero-badges .chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--t-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.hero-badges .chip b{font-family:var(--mono);color:var(--t-1);font-weight:700}
.hero-badges .chip i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 8px var(--c-primary);font-style:normal}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;aspect-ratio:16/11;border:1px solid rgba(140,220,255,.16);box-shadow:var(--shadow-card)}
.hero-visual img{width:100%;height:100%;object-fit:cover;filter:brightness(.82) saturate(108%);transition:transform .5s ease}
.hero-visual:hover img{transform:scale(1.03)}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.15) 0%,rgba(5,7,14,.72) 100%);
}
.hero-visual .ring{
  position:absolute;z-index:2;right:22px;top:22px;
  width:96px;height:96px;border-radius:50%;
  border:1px solid rgba(47,225,200,.5);
  display:grid;place-items:center;
  font-family:var(--mono);font-size:12px;color:var(--c-primary);letter-spacing:.1em;
  background:rgba(5,7,14,.35);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.hero-visual .ring::before{content:"";position:absolute;inset:8px;border-radius:50%;border:1px dashed rgba(47,225,200,.28)}
.hero-visual figcaption{
  position:absolute;z-index:2;left:22px;right:22px;bottom:20px;
  font-size:13px;color:var(--t-2);letter-spacing:.02em;
}
.hero-visual figcaption strong{display:block;font-size:16px;color:#fff;margin-bottom:4px;font-weight:600}

/* ===== Ticker ===== */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-1)}
.ticker-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:18px 0}
.ticker-label{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--t-2);letter-spacing:.04em}
.ticker-label i{width:8px;height:8px;border-radius:50%;background:var(--c-hot);box-shadow:0 0 10px var(--c-hot);font-style:normal}
.countdown{display:flex;align-items:center;gap:8px;font-family:var(--mono)}
.cd-cell{
  min-width:56px;text-align:center;padding:7px 10px;border-radius:11px;
  background:rgba(255,178,63,.10);border:1px solid rgba(255,178,63,.30);
  color:var(--c-accent);font-size:18px;font-weight:700;line-height:1.2;letter-spacing:.04em;
  transition:background .2s ease;
}
.cd-cell small{display:block;font-size:10px;letter-spacing:.12em;color:rgba(255,178,63,.72);font-weight:600;margin-top:3px;font-family:var(--sans)}
.cd-sep{color:var(--t-3);font-size:16px}
.ticker-progress{flex:1;min-width:220px;display:flex;align-items:center;gap:14px}
.progress-track{position:relative;flex:1;height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.progress-fill{position:absolute;inset:0 auto 0 0;width:68%;border-radius:999px;background:linear-gradient(90deg,rgba(47,225,200,.4),var(--c-primary));overflow:hidden}
.progress-fill::after{
  content:"";position:absolute;top:0;bottom:0;width:45%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);
  animation:flow 2.6s linear infinite;
}
@keyframes flow{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}
.ticker-progress span{font-family:var(--mono);font-size:13px;color:var(--c-primary);white-space:nowrap}

/* ===== Stats ===== */
.stats-section{padding:64px 0;background:var(--bg-0);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  padding:26px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stat-num{font-family:var(--mono);font-size:34px;font-weight:700;line-height:1.1;color:var(--c-primary);letter-spacing:.01em}
.stat-num span{font-size:15px;color:var(--t-2);margin-left:4px;font-family:var(--sans);font-weight:500}
.stat-label{margin-top:8px;font-size:14px;color:var(--t-2)}

/* ===== Steps timeline ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:29px;height:1px;
  background:linear-gradient(90deg,rgba(47,225,200,.45),rgba(47,225,200,.10),rgba(255,178,63,.28));
}
.step{position:relative;padding-top:0}
.step-num{
  position:relative;z-index:2;display:grid;place-items:center;
  width:58px;height:58px;border-radius:16px;
  font-family:var(--mono);font-size:19px;font-weight:700;color:var(--c-primary);
  background:var(--bg-1);border:1px solid var(--line-strong);
  box-shadow:0 0 0 6px rgba(5,7,14,.9),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,color .22s ease,border-color .22s ease;
}
.step:hover .step-num{transform:translateY(-4px);color:var(--c-primary-hover);border-color:var(--c-primary)}
.step h3{margin:20px 0 10px;font-size:18px;color:var(--t-1)}
.step p{font-size:14.5px;line-height:1.8;color:var(--t-2)}
.step .step-tag{margin-top:14px}

/* ===== Rewards ===== */
.reward-grid{display:grid;grid-template-columns:1.38fr 1fr;grid-auto-rows:1fr;gap:24px}
.reward-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,border-color .24s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.reward-card:first-child{grid-row:span 2}
.reward-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-img);margin:14px 14px 0}
.reward-card:first-child .reward-media{aspect-ratio:16/9}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.reward-card:hover .reward-media img{transform:scale(1.03)}
.reward-media .rare-badge{position:absolute;left:12px;top:12px}
.reward-body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-body h3{font-size:18px;color:var(--t-1)}
.reward-body p{font-size:14.5px;line-height:1.78;color:var(--t-2)}
.reward-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.reward-note{font-size:12.5px;color:var(--t-3)}
.reward-card.is-claimed .reward-media img{filter:grayscale(.35) brightness(.8)}
.reward-card.is-claimed .reward-body h3{color:var(--t-2)}
.claimed-mark{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--t-3)}
.claimed-mark::before{content:"✓";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(47,225,200,.16);color:var(--c-primary);font-size:11px}

/* ===== Tasks panel ===== */
.panel{
  border-radius:var(--r-panel);padding:32px;
  background:var(--glass);border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:22px}
.panel-head .panel-sub{font-size:13.5px;color:var(--t-3)}
.task-list{display:flex;flex-direction:column;gap:6px}
.task-row{
  display:grid;grid-template-columns:1.1fr 2fr auto;
  align-items:center;gap:22px;
  padding:16px 14px;border-radius:14px;
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.task-row:hover{background:rgba(255,255,255,.035);border-color:var(--line)}
.task-name{font-size:15px;color:var(--t-1);font-weight:500}
.task-name small{display:block;font-size:12.5px;color:var(--t-3);font-weight:400;margin-top:2px}
.task-bar{display:flex;align-items:center;gap:14px}
.task-bar .progress-track{height:5px}
.task-bar .progress-fill{width:40%}
.task-bar .progress-fill.w-100{width:100%}
.task-bar .progress-fill.w-60{width:60%}
.task-bar code{font-family:var(--mono);font-size:12.5px;color:var(--t-2);white-space:nowrap}
.task-row .btn{padding:8px 16px;font-size:13px;border-radius:10px}
.task-row.is-done .task-name{color:var(--t-2)}

/* ===== News (CMS) ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,border-color .24s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;filter:brightness(.94)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb .thumb-tag{position:absolute;left:12px;top:12px;background:rgba(5,7,14,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;line-height:1.5;color:var(--t-1);font-weight:600;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14px;line-height:1.78;color:var(--t-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(1.78em * 2)}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line)}
.news-meta time{font-family:var(--mono);font-size:12.5px;color:var(--t-3)}
.news-link{display:flex;flex-direction:column;gap:10px;height:100%}
.news-link:hover .news-title{color:var(--c-primary)}
.news-more{display:flex;justify-content:center;margin-top:44px}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border-radius:var(--r-card);
  border:1px dashed rgba(140,220,255,.22);background:rgba(255,255,255,.02);
  text-align:center;
}
.empty-state .empty-icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;border:1px solid var(--line-strong);color:var(--c-primary);font-family:var(--mono);font-size:20px}
.empty-state p{font-size:14.5px;color:var(--t-2)}

/* ===== Alternating feature blocks ===== */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.feature-row + .feature-row{border-top:1px solid var(--line)}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-media{order:1}
.feature-media{position:relative;border-radius:var(--r-panel);overflow:hidden;aspect-ratio:16/10;border:1px solid rgba(140,220,255,.16);box-shadow:var(--shadow-card)}
.feature-media img{width:100%;height:100%;object-fit:cover;filter:brightness(.9);transition:transform .5s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .media-index{
  position:absolute;left:18px;bottom:16px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--t-1);
  padding:5px 11px;border-radius:999px;background:rgba(5,7,14,.62);
  border:1px solid var(--line);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.feature-text h2{margin:14px 0 16px}
.feature-text p{font-size:15.5px;line-height:1.88;color:var(--t-2)}
.feature-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--t-2);line-height:1.7}
.feature-list li::before{content:"";flex-shrink:0;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 8px rgba(47,225,200,.6)}

/* ===== FAQ ===== */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-aside h2{margin-bottom:16px}
.faq-aside p{font-size:15px;color:var(--t-2);margin-bottom:24px}
.faq-aside .btn{margin-top:4px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:14px;overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,.025);
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(47,225,200,.28)}
.faq-item[open]{background:rgba(47,225,200,.05);border-color:rgba(47,225,200,.30)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 20px;
  font-size:15.5px;font-weight:600;color:var(--t-1);
  position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item summary::after{
  content:"";flex-shrink:0;width:9px;height:9px;
  border-right:2px solid var(--t-2);border-bottom:2px solid var(--t-2);
  transform:rotate(45deg);margin-top:-4px;
  transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px;border-color:var(--c-primary)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(47,225,200,.6)}
.faq-answer{padding:0 20px 20px;font-size:14.5px;line-height:1.85;color:var(--t-2)}

/* ===== CTA band ===== */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-1)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;padding:64px 0}
.cta-inner h2{margin-bottom:12px}
.cta-inner p{font-size:15px;color:var(--t-2);max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 78% 50%, rgba(47,225,200,.14), transparent 70%),radial-gradient(500px 260px at 12% 40%, rgba(255,178,63,.07), transparent 70%);
}

/* ===== Footer ===== */
.site-footer{background:var(--bg-0);padding:72px 0 0;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t-3);max-width:330px}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--t-1);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--t-3)}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:14px;color:var(--t-3);line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--t-3);line-height:1.7}
.footer-bottom p span{color:var(--t-2);font-family:var(--mono)}

/* ===== Responsive ===== */
@media (max-width:1279px){
  .container{padding:0 22px}
  .section{padding:80px 0}
  .hero-grid{gap:40px}
  .nav-links a{padding:8px 10px;font-size:14.5px}
  .nav-clock{display:none}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .hero{padding-top:52px}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:48px}
  .hero-visual{max-width:640px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .steps::before{display:none}
  .reward-grid{grid-template-columns:1fr 1fr}
  .reward-card:first-child{grid-row:span 1;grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .feature-row.reverse .feature-text{order:1}
  .feature-row.reverse .feature-media{order:2}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .task-row{grid-template-columns:1fr;gap:12px}
  .task-row .btn{justify-self:start}
  .cta-inner{padding:52px 0}
}
@media (max-width:767px){
  .hero-copy h1{margin-top:16px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 160px}
  .ticker-inner{gap:16px}
  .ticker-progress{order:3;width:100%;min-width:0;flex:1 1 100%}
  .reward-grid{grid-template-columns:1fr}
  .reward-card:first-child{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .panel{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  body{font-size:15px}
  .brand-main{font-size:16px}
  .stats-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{padding-left:56px}
  .step-num{position:absolute;left:0;top:0;width:44px;height:44px;font-size:16px}
  .steps::before{display:block;left:22px;top:0;bottom:0;right:auto;width:1px;height:auto;background:linear-gradient(180deg,rgba(47,225,200,.45),rgba(255,178,63,.1))}
  .step h3{margin-top:0}
  .cd-cell{min-width:48px;font-size:16px;padding:6px 8px}
  .hero-actions .btn{flex:1 1 100%}
  .btn{width:100%}
  .hero-badges .chip{font-size:12px}
  .reward-body,.news-body{padding-left:18px;padding-right:18px}
  .faq-item summary{padding:14px 16px;font-size:15px}
  .faq-answer{padding:0 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .stat,.reward-card,.news-card,.panel,.site-header{background:#101827}
}

/* roulang page: article */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-hover:#57F0DA;
  --c-primary-active:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(47,225,200,.28);
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-panel:0 24px 48px -24px rgba(0,0,0,.85);
  --glass:linear-gradient(160deg, rgba(24,36,60,.72), rgba(10,16,28,.58));
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Oxanium","Rajdhani",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  background:
    radial-gradient(900px 520px at 86% -12%, rgba(47,225,200,.10), transparent 62%),
    radial-gradient(760px 440px at 4% -4%, rgba(255,178,63,.07), transparent 64%),
    var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0}
p{margin:0}
h1,h2,h3,h4{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,14,.82);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.95);box-shadow:0 14px 34px -22px rgba(0,0,0,.95)}
.nav-bar{display:flex;align-items:center;gap:26px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .nav-bar{height:60px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--font-num);font-weight:700;font-size:19px;color:#04120F;
  background:linear-gradient(150deg,var(--c-primary),#1FBFAB);
  box-shadow:0 8px 22px -10px rgba(47,225,200,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--t-1)}
.brand-sub{font-size:11px;color:var(--c-primary);letter-spacing:.22em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-links a{position:relative;padding:8px 13px;border-radius:10px;font-size:14.5px;color:var(--t-2);transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:var(--t-1);background:rgba(47,225,200,.08)}
.nav-links a.is-active{color:var(--c-primary);background:rgba(47,225,200,.10)}
.nav-links a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(47,225,200,.8)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-clock{font-size:12.5px;color:var(--t-3);letter-spacing:.04em;white-space:nowrap}
.nav-clock b{font-family:var(--font-num);color:var(--c-accent);font-weight:700;letter-spacing:.06em}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.04);border:1px solid var(--line);align-items:center;justify-content:center;transition:background .2s ease,border-color .2s ease}
.nav-toggle:hover{background:rgba(47,225,200,.12);border-color:var(--line-strong)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:transform .25s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;flex-direction:column;gap:4px;padding:12px 24px 24px;border-top:1px solid var(--line);background:rgba(6,9,18,.98)}
.mobile-drawer a{padding:13px 14px;border-radius:12px;color:var(--t-2);font-size:15px;border:1px solid transparent;transition:color .2s ease,background .2s ease,border-color .2s ease}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:var(--c-primary);background:rgba(47,225,200,.08);border-color:var(--line-strong)}
.mobile-drawer .drawer-cta{margin-top:10px;background:var(--c-primary);color:#04120F;font-weight:700;text-align:center;box-shadow:0 10px 26px -12px rgba(47,225,200,.8)}
.mobile-drawer.is-open{display:flex}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#04120F;box-shadow:0 8px 28px rgba(47,225,200,.35)}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(47,225,200,.5)}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 6px 18px rgba(47,225,200,.3)}
.btn-ghost{border-color:rgba(47,225,200,.45);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:rgba(47,225,200,.12);transform:translateY(-2px)}
.btn-ghost:active{background:rgba(47,225,200,.2);transform:translateY(0)}
.btn-block{width:100%}

/* ---------- breadcrumb ---------- */
.crumbs{padding:24px 0 0;font-size:13px;color:var(--t-3);display:flex;flex-wrap:wrap;align-items:center}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{margin:0 9px;color:rgba(255,255,255,.18)}
.crumbs .cur{color:var(--t-2)}

/* ---------- article layout ---------- */
.article-wrap{padding:22px 0 88px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 262px;gap:46px;align-items:start}
.article-main{min-width:0}
.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:32px}
.article-head h1{font-size:clamp(27px,3.4vw,41px);line-height:1.3;font-weight:800;letter-spacing:-.01em;margin:0 0 18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13.5px;color:var(--t-3)}
.meta-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--t-2);font-size:12.5px}
.meta-pill.is-accent{color:var(--c-accent);border-color:rgba(255,178,63,.35);background:rgba(255,178,63,.08)}
.meta-pill.is-live{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.08)}
.meta-pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}

/* ---------- prose ---------- */
.prose{max-width:760px;font-size:16px;line-height:1.9;color:#C6D2E6}
.prose > *:first-child{margin-top:0}
.prose h2{position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--t-1);margin:42px 0 16px;padding-left:14px}
.prose h2::before{content:"";position:absolute;left:0;top:.34em;bottom:.3em;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary),rgba(47,225,200,0))}
.prose h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--t-1);margin:30px 0 12px}
.prose h4{font-size:16.5px;font-weight:600;color:var(--t-1);margin:24px 0 10px}
.prose p{margin:0 0 20px}
.prose a{color:var(--c-primary);border-bottom:1px solid rgba(47,225,200,.4);transition:color .2s ease,border-color .2s ease}
.prose a:hover{color:var(--c-primary-hover);border-color:var(--c-primary-hover)}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px}
.prose li{margin-bottom:9px}
.prose ul li::marker{color:var(--c-primary)}
.prose ol li::marker{color:var(--c-accent);font-family:var(--font-num);font-weight:700}
.prose blockquote{margin:0 0 22px;padding:16px 20px;border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;background:rgba(47,225,200,.06);color:var(--t-2);font-size:15.5px}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);border:1px solid var(--line);margin:22px 0}
.prose figure{margin:22px 0}
.prose figcaption{font-size:13px;color:var(--t-3);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;border-radius:12px;overflow:hidden}
.prose thead th{background:rgba(47,225,200,.08);color:var(--t-1);font-weight:600}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose tbody tr:hover{background:rgba(255,255,255,.02)}
.prose td{color:var(--t-2)}
.prose hr{border:0;height:1px;background:var(--line);margin:34px 0}
.prose code{font-family:var(--font-num);font-size:.92em;padding:2px 6px;border-radius:6px;background:rgba(47,225,200,.1);color:var(--c-primary)}
.prose strong{color:var(--t-1);font-weight:700}

/* ---------- empty state ---------- */
.empty-state{padding:56px 28px;border:1px dashed rgba(47,225,200,.3);border-radius:var(--r-panel);background:var(--glass);text-align:center;max-width:760px}
.empty-state .empty-icon{width:54px;height:54px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);color:var(--c-primary);font-family:var(--font-num);font-size:22px;background:rgba(47,225,200,.07)}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--t-2);font-size:14.5px;margin-bottom:22px}

/* ---------- article foot / tags ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);max-width:760px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.04em;color:var(--t-2);border:1px solid var(--line);background:rgba(255,255,255,.03);transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
.tag:hover{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.1);transform:translateY(-1px)}
.share-row{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--t-3)}
.share-row button{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--t-2);font-size:12px;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
.share-row button:hover{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.1);transform:translateY(-1px)}
.share-row button:active{transform:translateY(0);background:rgba(47,225,200,.18)}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--glass);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);padding:20px;box-shadow:var(--shadow-panel)}
.side-label{font-size:12px;letter-spacing:.16em;color:var(--t-3);margin-bottom:14px}
.side-nav{list-style:none}
.side-nav li{margin-bottom:4px}
.side-nav a{display:block;padding:8px 10px;border-radius:9px;font-size:13.5px;color:var(--t-2);border-left:2px solid transparent;transition:color .2s ease,background .2s ease,border-color .2s ease}
.side-nav a:hover{color:var(--t-1);background:rgba(47,225,200,.09);border-left-color:var(--c-primary)}
.side-card--accent{border-color:rgba(255,178,63,.24);background:linear-gradient(160deg,rgba(46,34,16,.72),rgba(12,16,28,.6))}
.side-card--accent .side-label{color:var(--c-accent)}
.side-desc{font-size:13px;line-height:1.8;color:var(--t-2);margin-bottom:16px}
.side-stat{display:flex;align-items:baseline;gap:8px;font-family:var(--font-num);color:var(--c-accent);font-size:22px;font-weight:700;margin-bottom:6px}
.side-stat span{font-size:12px;color:var(--t-3);font-family:var(--font-cn);font-weight:400}

/* ---------- join band ---------- */
.join-band{
  margin-top:64px;padding:34px 36px;border-radius:var(--r-panel);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  border:1px solid var(--line-strong);
  background:
    radial-gradient(560px 200px at 90% 0%, rgba(47,225,200,.16), transparent 70%),
    linear-gradient(160deg,rgba(20,34,52,.88),rgba(8,13,24,.82));
  box-shadow:var(--shadow-panel);
}
.join-band h2{font-size:clamp(20px,2.3vw,26px);line-height:1.4;font-weight:700;margin-bottom:8px}
.join-band p{font-size:14px;color:var(--t-2);max-width:560px}

/* ---------- related ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin:72px 0 26px}
.section-head h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35}
.section-head h2 em{font-style:normal;color:var(--c-primary)}
.section-head .more{font-size:13.5px;color:var(--t-2);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.section-head .more:hover{color:var(--c-primary);border-color:var(--c-primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-panel);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 30px 54px -28px rgba(0,0,0,.95)}
.rel-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,0) 40%,rgba(5,7,14,.55));pointer-events:none}
.rel-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--t-1);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:13.5px;line-height:1.75;color:var(--t-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--t-3)}
.rel-meta .chip{padding:3px 10px;border-radius:var(--r-pill);border:1px solid var(--line-strong);color:var(--c-primary);background:rgba(47,225,200,.08);font-size:11.5px;letter-spacing:.04em}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:36px}
.footer-brand p{font-size:13.5px;color:var(--t-3);line-height:1.85;margin-top:16px;max-width:340px}
.footer-col h3{font-size:14px;color:var(--t-1);margin-bottom:14px;letter-spacing:.05em;font-weight:600}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;color:var(--t-2);transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:12.8px;color:var(--t-3);line-height:1.75;margin-bottom:8px}
.footer-bottom{border-top:1px solid var(--line);margin-top:42px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:12.5px;color:var(--t-3)}
.footer-bottom span{color:var(--t-2)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-grid{gap:34px}
  .footer-grid{gap:28px}
}
@media (max-width:1023px){
  .nav-links,.nav-clock{display:none}
  .nav-toggle{display:inline-flex}
  .nav-bar{height:64px}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .join-band{padding:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-wrap{padding:18px 0 64px}
  .prose{font-size:15px;line-height:1.8}
  .prose h2{font-size:21px;margin-top:34px}
  .prose h3{font-size:17.5px}
  .section-head{margin:52px 0 20px}
  .join-band{margin-top:48px;padding:24px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .btn{width:100%;padding:13px 18px}
  .nav-cta{display:none}
  .article-head h1{font-size:clamp(24px,7vw,30px)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .meta-pill{font-size:12px}
  .share-row button{width:38px;height:38px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}
@media (prefers-reduced-transparency:reduce){
  .side-card,.rel-card{background:var(--bg-2)}
}
@supports not (backdrop-filter: blur(4px)){
  .site-header{background:var(--bg-1)}
  .side-card,.rel-card,.empty-state{background:var(--bg-2)}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-h:#57F0DA;
  --c-primary-a:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(47,225,200,.28);
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-img:14px;
  --glass:linear-gradient(160deg,rgba(24,36,60,.72),rgba(10,16,28,.58));
  --glass-solid:#101827;
  --shadow-panel:0 24px 48px -24px rgba(0,0,0,.85);
  --shadow-card:0 16px 32px -20px rgba(0,0,0,.9);
  --glow:0 8px 28px rgba(47,225,200,.35);
  --glow-lg:0 12px 36px rgba(47,225,200,.45);
  --container:1200px;
  --mono:"Oxanium","Rajdhani",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#04120F;box-shadow:var(--glow);}
.btn-primary:hover{background:var(--c-primary-h);transform:translateY(-2px);box-shadow:var(--glow-lg);}
.btn-primary:active{background:var(--c-primary-a);transform:translateY(0);box-shadow:var(--glow);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(47,225,200,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(47,225,200,.18);}
.btn-plain{background:transparent;color:var(--t-2);border-color:var(--line);}
.btn-plain:hover{color:var(--t-1);border-color:rgba(255,255,255,.2);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  border:1px solid var(--line);
  color:var(--t-2);background:rgba(255,255,255,.03);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge-live{color:var(--c-primary);border-color:rgba(47,225,200,.32);background:rgba(47,225,200,.1);}
.badge-soon{color:var(--c-accent);border-color:rgba(255,178,63,.32);background:rgba(255,178,63,.1);}
.badge-hot{color:var(--c-hot);border-color:rgba(255,92,122,.32);background:rgba(255,92,122,.1);}
.badge-end{color:var(--t-3);}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  color:var(--c-primary);background:rgba(47,225,200,.1);
  border:1px solid rgba(47,225,200,.24);
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(5,7,14,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.94);box-shadow:0 12px 30px -18px rgba(0,0,0,.9);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--c-primary),#1B8E80);
  color:#04120F;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px -10px rgba(47,225,200,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--t-3);letter-spacing:.18em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--t-2);font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--t-1);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--c-primary);background:rgba(47,225,200,.1);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);
}
.nav-side{display:flex;align-items:center;gap:14px;}
.nav-clock{
  font-family:var(--mono);font-size:13px;color:var(--t-3);
  letter-spacing:.06em;white-space:nowrap;
}
.nav-clock b{color:var(--c-accent);font-weight:700;}
.nav-cta{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--t-1);
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}
.mobile-drawer{
  display:none;padding:8px 24px 24px;
  background:rgba(6,10,20,.98);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:16px;color:var(--t-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--c-primary);}
.mobile-drawer .drawer-cta{
  margin-top:18px;border:0;text-align:center;border-radius:var(--r-btn);
  background:var(--c-primary);color:#04120F;font-weight:800;
  box-shadow:var(--glow);
}
.mobile-drawer.is-open{display:block;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--t-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.18);}
.breadcrumb li:last-child::after{content:"";margin:0;}
.breadcrumb a{color:var(--t-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb li:last-child{color:var(--t-2);}

/* ---------- Hero ---------- */
.page-hero{padding:28px 0 8px;}
.hero-banner{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-panel);
  background:var(--bg-2);
  min-height:380px;
  display:flex;align-items:flex-end;
}
.hero-banner img.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.5;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,7,14,.94) 18%,rgba(5,7,14,.66) 58%,rgba(5,7,14,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:44px 40px;max-width:760px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.hero-inner h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;font-weight:800;letter-spacing:-.01em;
}
.hero-inner h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{
  margin-top:16px;color:var(--t-2);font-size:16px;line-height:1.85;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-stat-strip{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:14px 32px;
  padding-top:20px;border-top:1px solid var(--line);
}
.hero-stat-strip div{font-size:13px;color:var(--t-3);}
.hero-stat-strip b{
  display:block;font-family:var(--mono);font-size:20px;color:var(--t-1);
  letter-spacing:.04em;line-height:1.4;
}
.hero-stat-strip b.is-accent{color:var(--c-accent);}
.hero-clockbar{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 40px;border-top:1px solid var(--line);
  background:rgba(5,7,14,.72);
  flex-wrap:wrap;
}

/* ---------- 进度条 ---------- */
.progress-track{
  position:relative;flex:1;min-width:180px;height:6px;border-radius:999px;
  background:rgba(255,255,255,.08);overflow:hidden;
}
.progress-fill{
  position:absolute;inset:0 auto 0 0;width:64%;border-radius:999px;
  background:linear-gradient(90deg,#1FBFAB,var(--c-primary));
  overflow:hidden;
}
.progress-fill::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);
  animation:flow 2.6s linear infinite;
}
@keyframes flow{from{transform:translateX(-100%);}to{transform:translateX(100%);}}
.clock-label{font-size:13px;color:var(--t-3);white-space:nowrap;}
.clock-value{font-family:var(--mono);font-size:16px;color:var(--c-accent);letter-spacing:.08em;}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  font-size:clamp(23px,2.8vw,34px);font-weight:700;line-height:1.28;letter-spacing:-.01em;
}
.section-head p{margin-top:12px;color:var(--t-2);font-size:15.5px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--c-primary);
  font-family:var(--mono);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-primary);opacity:.7;}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 20px;border-radius:var(--r-panel);
  background:var(--glass);border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-panel);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.filter-label{font-size:13px;color:var(--t-3);margin-right:6px;}
.filter-btn{
  padding:8px 18px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--t-2);font-size:14px;cursor:pointer;
  transition:all .2s ease;
}
.filter-btn:hover{color:var(--t-1);border-color:rgba(47,225,200,.35);}
.filter-btn:active{transform:scale(.97);}
.filter-btn.is-active{
  color:#04120F;background:var(--c-primary);border-color:var(--c-primary);
  font-weight:700;box-shadow:var(--glow);
}
.filter-count{margin-left:auto;font-size:13px;color:var(--t-3);font-family:var(--mono);}

/* ---------- 活动长列表 ---------- */
.activity-list{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.activity-row{
  display:grid;grid-template-columns:300px 1fr;gap:26px;
  padding:22px;border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.activity-row:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 26px 44px -26px rgba(0,0,0,.95);
}
.activity-row.is-hidden{display:none;}
.thumb{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/10;background:var(--bg-2);
  border:1px solid var(--line);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.activity-row:hover .thumb img{transform:scale(1.03);}
.thumb .thumb-badge{position:absolute;left:12px;top:12px;}
.activity-body{display:flex;flex-direction:column;gap:10px;}
.activity-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.activity-body h3{font-size:20px;font-weight:700;line-height:1.4;}
.activity-body h3 a:hover{color:var(--c-primary);}
.activity-desc{color:var(--t-2);font-size:14.5px;line-height:1.8;}
.activity-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;
  font-size:13px;color:var(--t-3);font-family:var(--mono);
  padding-top:6px;
}
.activity-meta span b{color:var(--t-2);font-weight:600;font-family:var(--sans);margin-left:6px;}
.activity-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
}
.activity-foot .mini-progress{flex:1;min-width:150px;}
.mini-bar{height:5px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;position:relative;}
.mini-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#1FBFAB,var(--c-primary));}
.mini-text{font-size:12px;color:var(--t-3);font-family:var(--mono);margin-top:6px;display:block;}
.activity-foot .btn{padding:9px 18px;font-size:14px;}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px;
}
.step{
  position:relative;padding:24px 22px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.step-num{
  font-family:var(--mono);font-size:26px;color:var(--c-primary);
  letter-spacing:.06em;line-height:1;margin-bottom:14px;display:block;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--t-2);line-height:1.75;}

/* ---------- 数据条 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-panel);overflow:hidden;
}
.stat-cell{background:var(--bg-1);padding:26px 24px;}
.stat-cell b{
  display:block;font-family:var(--mono);font-size:28px;letter-spacing:.04em;
  color:var(--c-primary);line-height:1.2;
}
.stat-cell span{display:block;margin-top:6px;font-size:13.5px;color:var(--t-3);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--bg-1);overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item.is-open{border-color:var(--line-strong);background:var(--bg-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--t-1);font-size:16px;font-weight:600;font-family:inherit;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;border-radius:50%;
  border:1px solid var(--line-strong);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:9px;height:1.5px;}
.faq-icon::after{width:1.5px;height:9px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  display:none;padding:0 22px 20px;color:var(--t-2);font-size:15px;line-height:1.85;
  border-left:2px solid var(--c-primary);margin-left:22px;padding-left:18px;
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px;}
.cross-card{
  display:flex;flex-direction:column;gap:10px;
  padding:24px 22px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.cross-card:hover{
  transform:translateY(-4px);border-color:var(--line-strong);
  background:linear-gradient(160deg,rgba(24,36,60,.7),rgba(10,16,28,.6));
}
.cross-card .cross-idx{font-family:var(--mono);font-size:12px;color:var(--c-primary);letter-spacing:.16em;}
.cross-card h3{font-size:17px;font-weight:700;}
.cross-card p{font-size:13.5px;color:var(--t-3);line-height:1.75;}
.cross-card .cross-go{margin-top:auto;font-size:13px;color:var(--c-primary);font-weight:600;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  padding:52px 44px;border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(47,225,200,.14),rgba(10,16,28,.9) 62%);
  box-shadow:var(--shadow-panel);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(47,225,200,.24);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
.cta-band p{margin-top:10px;color:var(--t-2);font-size:15px;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  padding:60px 0 0;margin-top:72px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:42px;
}
.footer-brand p{margin-top:16px;color:var(--t-3);font-size:14px;line-height:1.85;max-width:340px;}
.footer-col h3{font-size:14px;letter-spacing:.1em;color:var(--t-2);font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--t-3);}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{font-size:13.5px;color:var(--t-3);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t-3);
}
.footer-bottom span{font-family:var(--mono);color:var(--t-2);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .section{padding:64px 0;}
  .hero-inner{padding:38px 30px;}
  .hero-clockbar{padding:14px 30px;}
}
@media (max-width:1023px){
  .nav-links,.nav-clock{display:none;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .nav-bar{height:64px;}
  .site-header.is-scrolled .nav-bar{height:58px;}
  .activity-row{grid-template-columns:240px 1fr;gap:20px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-banner{min-height:340px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-tight{padding:36px 0;}
  .hero-inner{padding:30px 22px;}
  .hero-sub{font-size:15px;}
  .hero-clockbar{padding:14px 22px;}
  .hero-banner{min-height:0;}
  .activity-row{grid-template-columns:1fr;padding:18px;}
  .activity-body h3{font-size:18px;}
  .activity-foot{padding-top:12px;}
  .faq-q{font-size:15px;padding:12px 16px;}
  .faq-a{margin-left:16px;padding-left:14px;padding-right:16px;}
  .cta-band{padding:34px 22px;}
  .cta-band::after{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{margin-top:48px;padding-top:44px;}
  .hero-stat-strip{gap:12px 24px;}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .hero-stat-strip b{font-size:18px;}
  .footer-bottom{flex-direction:column;}
  .filter-bar{padding:14px 14px;}
  .filter-count{margin-left:0;width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .progress-fill::after{display:none;}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .filter-bar,.activity-row,.site-header,.mobile-drawer{background:var(--glass-solid);}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-hover:#57F0DA;
  --c-primary-active:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(47,225,200,.28);
  --panel:linear-gradient(160deg, rgba(24,36,60,.72), rgba(10,16,28,.58));
  --panel-solid:#101827;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 24px 48px -24px rgba(0,0,0,.85);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oxanium","Rajdhani",ui-monospace,"SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(900px 520px at 10% -12%, rgba(47,225,200,.11), transparent 62%),
    radial-gradient(760px 460px at 94% 4%, rgba(255,178,63,.075), transparent 62%),
    var(--bg-0);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.28;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

.container{width:min(1200px,100% - 48px);margin-inline:auto}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,7,14,.78);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header.is-compact{background:rgba(5,7,14,.94);box-shadow:0 14px 32px -22px rgba(0,0,0,.9)}
.nav-bar{display:flex;align-items:center;gap:18px;height:72px;transition:height .25s ease}
.site-header.is-compact .nav-bar{height:60px}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:19px;font-weight:700;
  color:#04120F;
  background:linear-gradient(150deg,var(--c-primary),#1FBFAB);
  box-shadow:0 10px 26px rgba(47,225,200,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16.5px;font-weight:700;letter-spacing:.04em}
.brand-sub{font-size:10.5px;letter-spacing:.26em;color:var(--t-3)}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:9px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--t-2);
  transition:color .2s ease, background .2s ease;
}
.nav-links a:hover{color:var(--t-1);background:rgba(255,255,255,.05)}
.nav-links a.is-active{color:var(--c-primary)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 12px rgba(47,225,200,.6);
}

.nav-side{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-clock{
  font-family:var(--font-num);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--c-accent);
  padding:6px 11px;
  border:1px solid rgba(255,178,63,.28);
  border-radius:999px;
  background:rgba(255,178,63,.07);
  white-space:nowrap;
}
.nav-clock b{font-weight:700;font-variant-numeric:tabular-nums}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:11px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--t-1);transform:translateX(-50%);transition:.2s ease;
  content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

.mobile-drawer{display:none;flex-direction:column;gap:4px;padding:12px 24px 22px;border-bottom:1px solid var(--line);background:rgba(8,13,24,.99)}
.mobile-drawer.is-open{display:flex}
.mobile-drawer a{padding:12px 14px;border-radius:11px;color:var(--t-2);font-size:15px;border:1px solid transparent}
.mobile-drawer a:hover,.mobile-drawer a:active{background:rgba(255,255,255,.05);color:var(--t-1)}
.mobile-drawer a.is-active{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.08)}
.mobile-drawer .drawer-cta{
  margin-top:8px;text-align:center;font-weight:700;color:#04120F;
  background:var(--c-primary);border-radius:var(--r-btn);
  box-shadow:0 10px 28px rgba(47,225,200,.32);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#04120F;box-shadow:0 8px 28px rgba(47,225,200,.35)}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(47,225,200,.45)}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 6px 18px rgba(47,225,200,.3)}
.btn-ghost{border-color:var(--line-strong);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:rgba(47,225,200,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(47,225,200,.16)}
.btn-line{border-color:var(--line);color:var(--t-2)}
.btn-line:hover{color:var(--t-1);border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.04)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.nav-cta{padding:9px 18px;font-size:14px}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--t-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:"/";color:rgba(255,255,255,.22)}
.crumb a{color:var(--t-2);transition:color .2s}
.crumb a:hover{color:var(--c-primary)}
.crumb li[aria-current]{color:var(--t-1)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);margin-top:22px}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.5;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,7,14,.97) 0%,rgba(5,7,14,.86) 46%,rgba(5,7,14,.72) 72%,rgba(5,7,14,.94) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding:56px 0 60px}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--c-primary);
  padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(47,225,200,.08);
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}

.page-hero h1{font-size:clamp(30px,4vw,50px);font-weight:800;letter-spacing:.01em;line-height:1.18}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--t-2);max-width:56ch}

.status-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;color:var(--t-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
}
.chip b{font-family:var(--font-num);color:var(--t-1);font-weight:700;letter-spacing:.04em}
.chip.is-live{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.08)}
.chip.is-accent{color:var(--c-accent);border-color:rgba(255,178,63,.3);background:rgba(255,178,63,.08)}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.hero-visual{position:relative}
.hero-shot{
  position:relative;margin:0;
  aspect-ratio:16/10;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid rgba(140,220,255,.16);
  box-shadow:var(--shadow-card);
}
.hero-shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.hero-shot:hover img{transform:scale(1.03)}
.hero-ring{
  position:absolute;right:-34px;top:-34px;width:130px;height:130px;border-radius:50%;
  border:1px solid rgba(47,225,200,.35);
  pointer-events:none;
}
.hero-ring::after{
  content:"";position:absolute;inset:14px;border-radius:50%;
  border:1px dashed rgba(47,225,200,.22);
}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.08em;
  color:#04120F;background:var(--c-primary);
  padding:5px 12px;border-radius:999px;
  box-shadow:0 10px 24px rgba(47,225,200,.35);
}

/* ---------- stats strip ---------- */
.stats-strip{border-bottom:1px solid var(--line);background:rgba(10,16,28,.6)}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line)}
.stat{background:var(--bg-1);padding:26px 22px}
.stat .num{font-family:var(--font-num);font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--c-primary);letter-spacing:.02em}
.stat .num small{font-size:.5em;color:var(--t-2);margin-left:4px;letter-spacing:.06em}
.stat .label{margin-top:6px;font-size:13.5px;color:var(--t-2)}

/* ---------- section base ---------- */
.section{padding:78px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.8vw,34px);font-weight:700}
.section-head p{margin-top:14px;color:var(--t-2);font-size:15.5px}
.section-tag{
  display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--c-accent);
  margin-bottom:12px;
}

/* ---------- doc layout ---------- */
.doc-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.doc-main{min-width:0}

.doc-block{
  padding:30px 32px;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  margin-bottom:24px;
  scroll-margin-top:100px;
}
.doc-block:last-child{margin-bottom:0}
.doc-block h2{
  font-size:clamp(19px,2vw,24px);
  font-weight:700;
  display:flex;align-items:center;gap:12px;
}
.doc-block h2 .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;
  color:var(--c-primary);
  border:1px solid var(--line-strong);
  border-radius:8px;padding:2px 9px;
  background:rgba(47,225,200,.08);
  flex-shrink:0;
}
.doc-block h3{font-size:17px;font-weight:600;margin-top:26px;color:var(--t-1)}
.doc-block p{margin-top:16px;color:var(--t-2);line-height:1.9}
.doc-block p.lead{color:var(--t-1);font-size:16.5px}
.doc-block strong{color:var(--t-1);font-weight:600}
.doc-block em{font-style:normal;color:var(--c-primary)}

.doc-list{margin-top:16px;display:grid;gap:12px}
.doc-list li{
  position:relative;padding-left:20px;color:var(--t-2);line-height:1.85;
}
.doc-list li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px rgba(47,225,200,.6);
}
.doc-list li b{color:var(--t-1);font-weight:600}

/* steps */
.steps{margin-top:22px;display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.028);
  transition:border-color .2s ease, background .2s ease, transform .2s ease;
}
.step:hover{border-color:var(--line-strong);background:rgba(47,225,200,.055);transform:translateY(-2px)}
.step .n{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-primary);
  line-height:1;
  padding-top:4px;
}
.step h3{margin:0;font-size:16.5px;font-weight:600}
.step p{margin-top:8px;font-size:14.5px;color:var(--t-2);line-height:1.8}

/* table */
.table-wrap{margin-top:22px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.table-scroll{overflow-x:auto}
table.rule-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
table.rule-table thead th{
  text-align:left;font-weight:600;font-size:13px;letter-spacing:.08em;
  color:var(--t-1);
  background:rgba(47,225,200,.08);
  padding:13px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.rule-table tbody td{
  padding:13px 18px;
  color:var(--t-2);
  border-bottom:1px solid rgba(255,255,255,.05);
  vertical-align:top;
}
table.rule-table tbody tr:last-child td{border-bottom:0}
table.rule-table tbody tr:hover td{background:rgba(255,255,255,.03);color:var(--t-1)}
table.rule-table td:first-child{color:var(--t-1);font-weight:600;white-space:nowrap}
.table-note{margin-top:12px;font-size:13px;color:var(--t-3)}

/* figure */
.doc-figure{margin:24px 0 0}
.doc-figure .frame{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;
}
.doc-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.doc-figure .frame:hover img{transform:scale(1.03)}
.doc-figure figcaption{margin-top:11px;font-size:13px;color:var(--t-3)}

/* accordion */
.faq-list{margin-top:22px;display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.025);
  overflow:hidden;
  transition:border-color .2s ease, background .2s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(47,225,200,.06)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;
  text-align:left;
  font-size:15.5px;font-weight:600;color:var(--t-1);
  position:relative;
  min-height:56px;
}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:var(--c-primary);
}
.faq-q .arrow{
  flex-shrink:0;width:20px;height:20px;position:relative;
  transition:transform .2s ease;
}
.faq-q .arrow::before,
.faq-q .arrow::after{
  content:"";position:absolute;top:9px;left:4px;width:12px;height:2px;border-radius:2px;
  background:var(--t-2);transition:background .2s ease;
}
.faq-q .arrow::before{transform:rotate(45deg);left:1px}
.faq-q .arrow::after{transform:rotate(-45deg);left:7px}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg)}
.faq-item.is-open .faq-q .arrow::before,
.faq-item.is-open .faq-q .arrow::after{background:var(--c-primary)}
.faq-panel{display:none;padding:0 20px 18px;font-size:14.5px;color:var(--t-2);line-height:1.9}
.faq-item.is-open .faq-panel{display:block}

/* toc */
.toc-card{
  position:sticky;top:96px;
  padding:24px;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
}
.toc-card h2{font-size:14px;letter-spacing:.14em;color:var(--t-3);font-weight:600}
.toc-card ol{margin-top:16px;display:grid;gap:2px;counter-reset:toc}
.toc-card li{counter-increment:toc}
.toc-card a{
  display:flex;gap:10px;align-items:baseline;
  padding:8px 10px;border-radius:9px;
  font-size:14px;color:var(--t-2);
  transition:background .2s ease,color .2s ease;
}
.toc-card a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:var(--font-num);font-size:11.5px;color:var(--t-3);
  letter-spacing:.06em;
}
.toc-card a:hover{background:rgba(47,225,200,.1);color:var(--c-primary)}
.toc-card a:hover::before{color:var(--c-primary)}
.toc-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t-3);line-height:1.8;
}
.toc-foot b{display:block;font-family:var(--font-num);color:var(--c-accent);font-size:15px;margin-bottom:4px}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.cross-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 30px 54px -26px rgba(0,0,0,.95)}
.cross-card .thumb{aspect-ratio:16/10;overflow:hidden}
.cross-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cross-card:hover .thumb img{transform:scale(1.03)}
.cross-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.cross-card h3{font-size:16px;font-weight:600}
.cross-card p{font-size:13.5px;color:var(--t-2);line-height:1.75}
.cross-card .go{
  margin-top:auto;padding-top:6px;
  font-size:13px;color:var(--c-primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.cross-card .go::after{content:"→";transition:transform .2s ease}
.cross-card:hover .go::after{transform:translateX(4px)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg, rgba(47,225,200,.14), rgba(16,24,39,.9) 52%, rgba(255,178,63,.1));
  padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(47,225,200,.2);pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);font-weight:700;position:relative}
.cta-band p{margin-top:12px;color:var(--t-2);font-size:15px;max-width:60ch;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(8,13,24,.9);margin-top:78px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 40px}
.footer-brand p{margin-top:16px;font-size:13.5px;color:var(--t-3);line-height:1.9;max-width:34ch}
.footer-col h3{font-size:14px;font-weight:600;color:var(--t-1);letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--t-2);transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:13px;color:var(--t-3);line-height:1.85;margin-bottom:8px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--t-3);
}
.footer-bottom span{font-family:var(--font-num);letter-spacing:.04em;color:var(--t-2)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .doc-layout{grid-template-columns:minmax(0,1fr) 268px;gap:34px}
  .hero-inner{gap:36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-side .nav-clock{display:none}
  .nav-cta{display:none}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;padding:44px 0 48px}
  .hero-visual{order:-1;max-width:640px}
  .doc-layout{grid-template-columns:minmax(0,1fr)}
  .toc-card{position:static;order:-1;margin-bottom:8px}
  .toc-card ol{margin-top:14px}
  .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px}
  .section{padding:60px 0}
  .site-footer{margin-top:60px}
}
@media (max-width:767px){
  .container{width:min(1200px,100% - 36px)}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .doc-block{padding:24px 20px;border-radius:var(--r-card)}
  .step{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:16px}
  .step .n{font-size:17px}
  .page-hero h1{font-size:clamp(26px,6.6vw,34px)}
  .hero-sub{font-size:15.5px}
  .cta-band{padding:30px 22px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cross-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .doc-block h2{font-size:18px;gap:8px}
  .nav-clock{display:none}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-hover:#57F0DA;
  --c-primary-down:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --c-magenta:#B96BFF;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(47,225,200,.28);
  --glass:linear-gradient(160deg,rgba(24,36,60,.72),rgba(10,16,28,.58));
  --glass-solid:#101827;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-card:0 24px 48px -24px rgba(0,0,0,.85);
  --shadow-btn:0 8px 28px rgba(47,225,200,.35);
  --container:1200px;
  --gap:24px;
  --sec-y:96px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"Oxanium","Rajdhani",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(47,225,200,.10),transparent 60%),
    radial-gradient(900px 500px at 0% 10%,rgba(255,178,63,.06),transparent 60%),
    var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--c-primary);color:#04120F;
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(47,225,200,.45)}
.btn-primary:active{background:var(--c-primary-down);transform:translateY(0);box-shadow:0 6px 18px rgba(47,225,200,.28)}
.btn-outline{
  background:transparent;color:var(--c-primary);border-color:var(--line-strong);
}
.btn-outline:hover{background:rgba(47,225,200,.12);transform:translateY(-2px)}
.btn-outline:active{background:rgba(47,225,200,.18);transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--t-2);padding:12px 4px;border-radius:0;position:relative;
}
.btn-ghost::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.btn-ghost:hover{color:var(--c-primary)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;letter-spacing:.04em;
  border:1px solid var(--line);color:var(--t-2);background:rgba(255,255,255,.03);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}
.badge-online{color:var(--c-primary);border-color:rgba(47,225,200,.35);background:rgba(47,225,200,.08)}
.badge-soon{color:var(--c-accent);border-color:rgba(255,178,63,.35);background:rgba(255,178,63,.08)}
.badge-end{color:var(--t-3);border-color:var(--line);background:rgba(255,255,255,.03)}
.badge-hot{color:var(--c-hot);border-color:rgba(255,92,122,.35);background:rgba(255,92,122,.08)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(5,7,14,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.92);box-shadow:0 12px 32px -20px rgba(0,0,0,.95)}
.nav-bar{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(47,225,200,.22),rgba(47,225,200,.05));
  border:1px solid var(--line-strong);
  color:var(--c-primary);font-weight:800;font-size:18px;font-family:var(--font-mono);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--t-1)}
.brand-sub{font-size:11px;letter-spacing:.28em;color:var(--t-3)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--t-2);transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--t-1);background:rgba(255,255,255,.05)}
.nav-links a.is-active{color:var(--c-primary);background:rgba(47,225,200,.10)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 10px rgba(47,225,200,.7);
}
.nav-side{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-clock{
  font-size:12.5px;color:var(--t-3);letter-spacing:.04em;white-space:nowrap;
}
.nav-clock b{color:var(--c-accent);font-family:var(--font-mono);font-weight:700;letter-spacing:.06em}
.nav-cta{padding:11px 22px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  position:relative;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:transform .2s ease,background-color .2s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--t-1);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-toggle:hover{border-color:var(--line-strong)}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:16px 24px 28px;
  background:rgba(5,7,14,.98);
  border-top:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.mobile-drawer a{
  padding:14px 16px;border-radius:12px;font-size:15.5px;color:var(--t-2);
  border:1px solid transparent;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.05);color:var(--t-1)}
.mobile-drawer a.is-active{color:var(--c-primary);background:rgba(47,225,200,.10);border-color:var(--line-strong)}
.mobile-drawer .drawer-cta{
  margin-top:12px;text-align:center;font-weight:700;color:#04120F;
  background:var(--c-primary);box-shadow:var(--shadow-btn);
}
.mobile-drawer .drawer-cta:hover{background:var(--c-primary-hover);color:#04120F}
.mobile-drawer.is-open{display:flex}
body.drawer-open{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t-3);margin-bottom:26px;
}
.breadcrumb a{color:var(--t-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.18)}
.breadcrumb .current{color:var(--t-2)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:56px 0 0}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.72) 0%,rgba(5,7,14,.9) 62%,rgba(5,7,14,1) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-bottom:56px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--c-primary);
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:rgba(47,225,200,.07);
  margin-bottom:20px;
}
h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin-bottom:18px;
}
h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{font-size:17px;color:var(--t-2);max-width:640px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
  background:var(--bg-2);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.hero-visual:hover img{transform:scale(1.03)}
.hero-visual .ring{
  position:absolute;right:-40px;bottom:-40px;width:190px;height:190px;border-radius:50%;
  border:1px solid rgba(47,225,200,.35);pointer-events:none;
}
.hero-visual .ring::after{
  content:"";position:absolute;inset:26px;border-radius:50%;border:1px dashed rgba(255,178,63,.28);
}
.hero-visual .tag-float{
  position:absolute;left:18px;top:18px;z-index:2;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;
  color:#04120F;background:var(--c-accent);font-weight:700;
}
.hero-progress{
  position:relative;z-index:2;border-top:1px solid var(--line);
  background:rgba(10,16,28,.72);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-progress .inner{display:flex;flex-wrap:wrap;align-items:center;gap:18px;padding:18px 0}
.progress-track{
  position:relative;flex:1;min-width:220px;height:6px;border-radius:99px;overflow:hidden;
  background:rgba(255,255,255,.07);
}
.progress-fill{
  height:100%;width:62%;border-radius:99px;
  background:linear-gradient(90deg,var(--c-primary),#7CF7E4);
  box-shadow:0 0 16px rgba(47,225,200,.6);
}
.progress-fill::after{
  content:"";position:absolute;top:0;left:0;height:100%;width:80px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);
  animation:shimmer 2.6s linear infinite;
}
@keyframes shimmer{0%{transform:translateX(-100px)}100%{transform:translateX(1100px)}}
.progress-label{font-size:13px;color:var(--t-3);white-space:nowrap}
.progress-label b{color:var(--c-primary);font-family:var(--font-mono)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;position:relative}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .kicker{
  display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--c-accent);
  margin-bottom:14px;text-transform:none;
}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;margin-bottom:14px}
.section-desc{color:var(--t-2);font-size:16px}

/* ---------- 稀有度图例 ---------- */
.legend-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  padding:20px 24px;border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  margin-bottom:40px;
}
.legend-title{font-size:13px;letter-spacing:.12em;color:var(--t-3);margin-right:6px}
.rarity{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;
  border:1px solid transparent;
}
.rarity::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.rarity-normal{color:var(--c-primary);background:rgba(47,225,200,.10);border-color:rgba(47,225,200,.28)}
.rarity-rare{color:var(--c-accent);background:rgba(255,178,63,.10);border-color:rgba(255,178,63,.3)}
.rarity-limited{color:var(--c-magenta);background:rgba(185,107,255,.10);border-color:rgba(185,107,255,.3)}
.legend-note{margin-left:auto;font-size:13px;color:var(--t-3)}

/* ---------- 拼贴网格 ---------- */
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.m-card{
  grid-column:span 2;
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.m-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 32px 56px -28px rgba(0,0,0,.95)}
.m-card.lg{grid-column:span 4;grid-row:span 2}
.m-card.wide{grid-column:span 3}
.m-figure{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2)}
.m-card.lg .m-figure{aspect-ratio:auto;flex:1;min-height:220px}
.m-figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.m-card:hover .m-figure img{transform:scale(1.03)}
.m-figure .rarity{position:absolute;left:14px;top:14px;z-index:2;background-color:rgba(5,7,14,.72);backdrop-filter:blur(8px)}
.m-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.m-title{font-size:19px;font-weight:700;line-height:1.4}
.m-card.lg .m-title{font-size:24px}
.m-desc{font-size:14.5px;color:var(--t-2);line-height:1.75}
.m-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.m-state{font-size:13px;color:var(--t-3);display:inline-flex;align-items:center;gap:6px}
.m-state.done{color:var(--t-3);opacity:.85}
.m-state.done .tick{
  width:16px;height:16px;border-radius:50%;display:grid;place-items:center;
  background:rgba(47,225,200,.16);color:var(--c-primary);font-size:10px;
}
.m-card.is-claimed{opacity:.78}
.m-card.is-claimed .m-figure img{filter:saturate(.65)}
.btn-claim{padding:9px 18px;font-size:13.5px;border-radius:10px}
.meta-line{font-size:12.5px;color:var(--t-3)}
.meta-line b{color:var(--t-2);font-family:var(--font-mono)}

/* ---------- 领取条件卡 ---------- */
.cond-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cond-card{
  padding:28px 26px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.cond-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.cond-num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;color:var(--c-primary);
  display:inline-block;margin-bottom:16px;
}
.cond-card h3{font-size:18px;margin-bottom:10px}
.cond-card p{font-size:14.5px;color:var(--t-2);line-height:1.8}
.cond-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.cond-card li{position:relative;padding-left:18px;font-size:14px;color:var(--t-2)}
.cond-card li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--c-primary);opacity:.8;
}

/* ---------- 任务进度面板 ---------- */
.task-panel{
  border-radius:var(--r-panel);padding:32px;
  background:var(--glass);
  border:1px solid rgba(140,220,255,.14);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.task-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px}
.task-head h3{font-size:20px}
.task-row{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.4fr) auto auto;
  align-items:center;gap:18px;padding:18px 0;border-top:1px solid var(--line);
}
.task-row:first-of-type{border-top:0}
.task-name{font-size:15px;color:var(--t-1)}
.task-name span{display:block;font-size:12.5px;color:var(--t-3);margin-top:4px}
.task-bar{position:relative;height:8px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.task-bar i{
  display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,rgba(47,225,200,.6),var(--c-primary));
  box-shadow:0 0 12px rgba(47,225,200,.45);
}
.task-count{font-family:var(--font-mono);font-size:13.5px;color:var(--t-2);white-space:nowrap}
.task-state{font-size:12px}

/* ---------- 领取流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(16,24,39,.7);
  transition:border-color .25s ease,transform .25s ease,background-color .25s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px);background:rgba(16,24,39,.95)}
.step-num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;color:var(--c-accent);
  display:inline-block;margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--t-2);line-height:1.75}
.step::after{
  content:"";position:absolute;top:50%;right:-12px;width:4px;height:4px;border-radius:50%;
  background:var(--line-strong);
}
.step:last-child::after{display:none}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:rgba(16,24,39,.72);overflow:hidden;
  transition:border-color .25s ease,background-color .25s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.14)}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(16,24,39,.95)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 22px;text-align:left;background:transparent;border:0;
  font-size:16px;font-weight:600;color:var(--t-1);line-height:1.5;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex-shrink:0;width:20px;height:20px;position:relative;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{
  display:none;padding:0 22px 22px;font-size:15px;color:var(--t-2);line-height:1.85;
  border-left:2px solid transparent;
}
.faq-item.is-open .faq-a{display:block;border-left-color:var(--c-primary);margin-left:0;padding-left:22px}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cross-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:rgba(16,24,39,.62);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.cross-card figure{margin:0;aspect-ratio:16/10;overflow:hidden}
.cross-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.cross-card:hover img{transform:scale(1.04)}
.cross-body{padding:18px 20px 22px}
.cross-body h3{font-size:16px;margin-bottom:6px}
.cross-body p{font-size:13.5px;color:var(--t-3);line-height:1.7}
.cross-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:13.5px;color:var(--c-primary);
}
.cross-card:hover .cross-more{color:var(--c-primary-hover);gap:10px}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 var(--sec-y)}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);
  padding:52px 48px;
  background:
    radial-gradient(700px 320px at 88% 0%,rgba(47,225,200,.22),transparent 62%),
    linear-gradient(160deg,rgba(24,36,60,.9),rgba(10,16,28,.9));
  border:1px solid var(--line-strong);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{color:var(--t-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--t-3);line-height:1.85;max-width:340px}
.footer-col h3{font-size:14px;letter-spacing:.1em;color:var(--t-2);margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--t-3)}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:13.5px;color:var(--t-3);line-height:1.8;margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:24px;
}
.footer-bottom p{font-size:12.5px;color:var(--t-3)}
.footer-bottom span{color:var(--t-3);opacity:.8;font-family:var(--font-mono)}

/* ---------- 降级 ---------- */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .m-card,.task-panel,.legend-bar{background:var(--glass-solid)}
  .site-header{background:rgba(5,7,14,.96)}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sec-y:80px}
  .container{padding:0 22px}
  .hero-grid{gap:36px}
}
@media (max-width:1023px){
  :root{--sec-y:72px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-bar{height:64px;gap:16px}
  .hero-grid{grid-template-columns:1fr;padding-bottom:40px}
  .hero-visual{max-width:560px;aspect-ratio:16/10}
  .mosaic{grid-template-columns:repeat(2,1fr)}
  .m-card,.m-card.lg,.m-card.wide{grid-column:span 1;grid-row:auto}
  .m-card.lg .m-figure{aspect-ratio:16/10;min-height:0}
  .cond-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .cross-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .task-row{grid-template-columns:1fr auto;gap:12px}
  .task-bar{grid-column:1/-1}
  .task-state{justify-self:end}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.8}
  :root{--sec-y:56px}
  .container{padding:0 18px}
  .page-hero{padding-top:36px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .cta-inner{padding:36px 24px}
  .task-panel{padding:22px 18px}
  .legend-bar{padding:16px 18px}
  .legend-note{margin-left:0;width:100%}
  .m-body{padding:18px 18px 20px}
  .m-card.lg .m-title{font-size:20px}
  .faq-q{font-size:15px;padding:14px 18px}
  .faq-a{padding:0 18px 18px}
  .faq-item.is-open .faq-a{padding-left:18px}
}
@media (max-width:520px){
  .mosaic{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .hero-badges{gap:8px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-hover:#57F0DA;
  --c-primary-active:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --c-magenta:#E36BFF;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(47,225,200,.28);
  --line-soft:rgba(140,220,255,.14);
  --radius-card:18px;
  --radius-panel:24px;
  --radius-btn:12px;
  --radius-img:14px;
  --glass:linear-gradient(160deg,rgba(24,36,60,.72),rgba(10,16,28,.58));
  --shadow-panel:0 24px 48px -24px rgba(0,0,0,.85);
  --shadow-btn:0 8px 28px rgba(47,225,200,.35);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Segoe UI",sans-serif;
  --font-num:"Oxanium","Rajdhani",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(47,225,200,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(255,178,63,.07),transparent 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(5,7,14,.72);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,19,.9);
  border-bottom-color:var(--line);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.nav-bar{display:flex;align-items:center;gap:28px;height:72px;transition:height .28s ease;}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;
  border-radius:12px;
  font-family:var(--font-num);font-size:19px;font-weight:700;color:#04110F;
  background:linear-gradient(150deg,var(--c-primary),#19B9A4);
  box-shadow:0 6px 20px -8px rgba(47,225,200,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.04em;}
.brand-sub{font-size:10px;letter-spacing:.32em;color:var(--t-3);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14px;color:var(--t-2);white-space:nowrap;
}
.nav-links a:hover{color:var(--t-1);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--c-primary);background:rgba(47,225,200,.10);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-side{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.nav-clock{font-size:12px;color:var(--t-3);white-space:nowrap;}
.nav-clock b{font-family:var(--font-num);font-weight:600;color:var(--c-accent);margin-left:4px;letter-spacing:.06em;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--t-1);
  transform:translateX(-50%);transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none;}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:16px 24px 28px;
  background:rgba(7,11,21,.97);
  border-bottom:1px solid var(--line);
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--t-2);
  border:1px solid transparent;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.05);color:var(--t-1);}
.mobile-drawer a.is-active{color:var(--c-primary);background:rgba(47,225,200,.10);border-color:var(--line-strong);}
.mobile-drawer .drawer-cta{
  margin-top:12px;text-align:center;font-weight:700;color:#04110F;
  background:var(--c-primary);border-radius:var(--radius-btn);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btn-primary{background:var(--c-primary);color:#04110F;box-shadow:var(--shadow-btn);}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(47,225,200,.42);}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 4px 16px rgba(47,225,200,.3);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(47,225,200,.12);transform:translateY(-2px);}
.btn-ghost:active{background:rgba(47,225,200,.06);transform:translateY(0);}
.btn-line{background:transparent;color:var(--t-1);border-color:var(--line);}
.btn-line:hover{border-color:var(--line-strong);color:var(--c-primary);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.nav-cta{padding:10px 20px;font-size:13px;}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--t-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--t-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:rgba(255,255,255,.18);}
.crumb .now{color:var(--c-primary);}

/* ---------- hero ---------- */
.page-hero{padding:26px 0 8px;}
.hero-banner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow-panel);
  min-height:330px;
  display:flex;align-items:center;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,7,14,.93) 22%,rgba(5,7,14,.62) 58%,rgba(5,7,14,.32) 100%);
}
.hero-inner{position:relative;z-index:2;padding:46px 48px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;color:var(--c-primary);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(47,225,200,.08);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block;box-shadow:0 0 0 4px rgba(47,225,200,.16);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.16;font-weight:800;
  letter-spacing:.01em;margin:20px 0 16px;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:16px;color:var(--t-2);max-width:600px;line-height:1.85;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;
  color:var(--t-2);border:1px solid var(--line);
  background:rgba(16,24,39,.7);
}
.pill b{font-family:var(--font-num);color:var(--t-1);font-weight:600;}
.pill.is-live{color:var(--c-primary);border-color:var(--line-strong);background:rgba(47,225,200,.08);}
.pill.is-live b{color:var(--c-primary);}
.pill.is-gold{color:var(--c-accent);border-color:rgba(255,178,63,.28);background:rgba(255,178,63,.08);}
.pill.is-gold b{color:var(--c-accent);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- sections ---------- */
section.block{padding:88px 0 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-tag{
  display:inline-block;font-family:var(--font-num);font-size:12px;letter-spacing:.2em;
  color:var(--c-accent);margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,2.8vw,34px);line-height:1.28;font-weight:700;letter-spacing:.01em;}
.section-head p{margin-top:14px;color:var(--t-2);font-size:15px;line-height:1.85;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:13px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,rgba(47,225,200,.55),rgba(47,225,200,.10) 70%,transparent);
}
.tl-item{position:relative;margin-bottom:20px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:26px;width:27px;height:27px;border-radius:50%;
  border:1px solid var(--line-strong);background:rgba(10,16,28,.95);
  box-shadow:0 0 0 5px rgba(5,7,14,.9),inset 0 0 0 6px rgba(47,225,200,.14);
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-panel),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.tl-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px;}
.tl-index{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--c-primary);
  padding:3px 10px;border-radius:999px;background:rgba(47,225,200,.10);
  border:1px solid var(--line-strong);letter-spacing:.08em;
}
.tl-card h3{font-size:19px;font-weight:700;line-height:1.4;}
.tl-card p{color:var(--t-2);font-size:14.5px;line-height:1.85;}
.tl-meta{margin-top:14px;font-size:13px;color:var(--t-3);display:flex;flex-wrap:wrap;gap:16px;}
.tl-meta span b{color:var(--t-2);font-weight:600;}

/* ---------- compare ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);
  align-items:start;
}
.cmp-col{
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:rgba(16,24,39,.55);
  padding:28px;
}
.cmp-col h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.cmp-col h3 .dot{width:8px;height:8px;border-radius:50%;flex:0 0 8px;}
.cmp-col.bad h3 .dot{background:var(--c-hot);box-shadow:0 0 0 4px rgba(255,92,122,.16);}
.cmp-col.good h3 .dot{background:var(--c-primary);box-shadow:0 0 0 4px rgba(47,225,200,.16);}
.cmp-col.bad{border-color:rgba(255,92,122,.20);}
.cmp-col.good{border-color:var(--line-strong);}
.cmp-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);}
.cmp-item:last-child{border-bottom:0;padding-bottom:0;}
.cmp-item:first-of-type{padding-top:0;}
.cmp-item .mk{
  flex:0 0 22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-family:var(--font-num);margin-top:3px;
}
.cmp-col.bad .mk{background:rgba(255,92,122,.12);color:var(--c-hot);}
.cmp-col.good .mk{background:rgba(47,225,200,.12);color:var(--c-primary);}
.cmp-item p{font-size:14.5px;color:var(--t-2);line-height:1.8;}
.cmp-item p b{color:var(--t-1);font-weight:600;display:block;margin-bottom:2px;font-size:15px;}

/* ---------- task panel ---------- */
.task-panel{
  border-radius:var(--radius-panel);
  border:1px solid var(--line-soft);
  background:var(--glass);
  box-shadow:var(--shadow-panel),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  padding:30px;
}
.task-row{
  display:grid;grid-template-columns:1.2fr 2fr auto;gap:20px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.task-row:last-child{border-bottom:0;padding-bottom:0;}
.task-row:first-child{padding-top:0;}
.task-name{font-size:15px;font-weight:600;}
.task-name small{display:block;font-size:12.5px;color:var(--t-3);font-weight:400;margin-top:2px;}
.bar{position:relative;height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.bar i{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,#1FBFAB,var(--c-primary));
  box-shadow:0 0 14px rgba(47,225,200,.5);
}
.bar::after{
  content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);
  animation:flow 2.6s linear infinite;
}
@keyframes flow{0%{left:-40%;}100%{left:110%;}}
.task-status{display:flex;align-items:center;gap:12px;justify-content:flex-end;}
.task-count{font-family:var(--font-num);font-size:13px;color:var(--t-2);letter-spacing:.04em;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;border:1px solid transparent;white-space:nowrap;
}
.badge.done{color:var(--c-primary);background:rgba(47,225,200,.10);border-color:var(--line-strong);}
.badge.doing{color:var(--c-accent);background:rgba(255,178,63,.10);border-color:rgba(255,178,63,.30);}
.badge.wait{color:var(--t-2);background:rgba(255,255,255,.05);border-color:var(--line);}

/* ---------- glossary ---------- */
.gloss-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.gloss-card{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:rgba(16,24,39,.5);padding:24px;
  transition:transform .22s ease,border-color .22s ease,background-color .22s ease;
}
.gloss-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(16,24,39,.78);}
.gloss-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.gloss-card p{font-size:14px;color:var(--t-2);line-height:1.8;}
.gloss-card .k{
  font-family:var(--font-num);font-size:12px;color:var(--c-accent);
  letter-spacing:.16em;display:block;margin-bottom:10px;
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:rgba(16,24,39,.5);overflow:hidden;
  transition:border-color .22s ease,background-color .22s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16);}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(16,24,39,.82);}
.faq-q{margin:0;}
.faq-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 22px;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--t-1);
  border-left:2px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-trigger{border-left-color:var(--c-primary);color:var(--c-primary);}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  border-radius:50%;border:1px solid var(--line-strong);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:9px;height:1.6px;}
.faq-icon::after{width:1.6px;height:9px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{padding:0 22px 20px 24px;}
.faq-a p{font-size:14.5px;color:var(--t-2);line-height:1.9;}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.cross-card{
  display:flex;flex-direction:column;gap:10px;
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:rgba(16,24,39,.5);padding:22px;
  transition:transform .22s ease,border-color .22s ease,background-color .22s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(16,24,39,.82);}
.cross-card .k{font-family:var(--font-num);font-size:12px;letter-spacing:.18em;color:var(--t-3);}
.cross-card h3{font-size:16px;font-weight:700;}
.cross-card p{font-size:13.5px;color:var(--t-2);line-height:1.75;flex:1;}
.cross-card .go{font-size:13px;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.cross-card:hover .go{color:var(--c-primary-hover);}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:88px;
  border-radius:var(--radius-panel);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(700px 300px at 8% 0%,rgba(47,225,200,.16),transparent 66%),
    linear-gradient(150deg,rgba(20,32,52,.9),rgba(8,13,23,.92));
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-panel);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
.cta-band p{color:var(--t-2);font-size:14.5px;margin-top:10px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:rgba(6,10,19,.85);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--line);
}
.footer-brand p{font-size:13.5px;color:var(--t-3);line-height:1.9;margin-top:18px;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:700;color:var(--t-1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--t-3);}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{font-size:13.5px;color:var(--t-3);line-height:1.9;margin-bottom:8px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:12.5px;color:var(--t-3);
}
.footer-bottom span{font-family:var(--font-num);color:var(--t-2);}
.footer-bottom p{line-height:1.9;max-width:640px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 20px;}
  section.block{padding:72px 0 0;}
  .cta-band{margin-top:72px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:1180px){
  .nav-links{gap:0;}
  .nav-links a{padding:9px 10px;font-size:13.5px;}
  .nav-clock{display:none;}
  .gloss-grid{grid-template-columns:repeat(2,1fr);}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .nav-side{gap:12px;}
  .nav-cta{display:none;}
  .nav-bar{height:64px;}
  .hero-inner{padding:38px 32px;}
  .hero-banner{min-height:300px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare{grid-template-columns:1fr;}
  .task-row{grid-template-columns:1fr;gap:10px;align-items:start;}
  .task-status{justify-content:flex-start;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8;}
  section.block{padding:56px 0 0;}
  .page-hero{padding:18px 0 0;}
  .hero-inner{padding:32px 24px;}
  .hero-banner{min-height:auto;}
  .cta-band{padding:34px 24px;margin-top:56px;flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;padding:48px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .gloss-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .tl-card{padding:20px;}
  .task-panel{padding:22px;}
  .gloss-card,.cross-card{padding:20px;}
  .cmp-col{padding:22px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:clamp(26px,7.4vw,34px);}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .hero-actions,.cta-actions{width:100%;}
  .timeline{padding-left:26px;}
  .timeline::before{left:9px;}
  .tl-item::before{left:-26px;width:21px;height:21px;box-shadow:0 0 0 4px rgba(5,7,14,.9),inset 0 0 0 5px rgba(47,225,200,.14);}
  .faq-trigger{padding:14px 16px;font-size:14.5px;}
  .faq-a{padding:0 16px 18px;}
  .brand-main{font-size:15px;}
  .brand-sub{letter-spacing:.24em;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .tl-card,.task-panel{background:#101827;}
}

/* roulang page: category5 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A101C;
  --bg-2:#101827;
  --c-primary:#2FE1C8;
  --c-primary-hover:#57F0DA;
  --c-primary-active:#1FBFAB;
  --c-accent:#FFB23F;
  --c-hot:#FF5C7A;
  --c-magenta:#C86BFF;
  --t-1:#E8EEFB;
  --t-2:#9BA9C4;
  --t-3:#6B7893;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(140,220,255,.14);
  --line-accent:rgba(47,225,200,.28);
  --panel:linear-gradient(160deg, rgba(24,36,60,.72), rgba(10,16,28,.58));
  --panel-solid:#101827;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-panel:0 24px 48px -24px rgba(0,0,0,.85);
  --shadow-btn:0 8px 28px rgba(47,225,200,.35);
  --maxw:1200px;
  --font-mono:"Oxanium","Rajdhani",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(47,225,200,.28);color:#fff;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#04120F;box-shadow:var(--shadow-btn);}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(47,225,200,.45);}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 6px 18px rgba(47,225,200,.3);}
.btn-outline{background:transparent;border-color:var(--line-accent);color:var(--c-primary);}
.btn-outline:hover{background:rgba(47,225,200,.12);transform:translateY(-2px);}
.btn-outline:active{background:rgba(47,225,200,.2);transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn:disabled,.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,14,.78);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,7,14,.94);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 16px 40px -28px rgba(0,0,0,.95);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(160deg, rgba(47,225,200,.22), rgba(47,225,200,.04));
  border:1px solid var(--line-accent);
  color:var(--c-primary);
  font-family:var(--font-mono);
  font-size:18px;font-weight:700;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-main{font-size:16px;font-weight:700;color:var(--t-1);letter-spacing:.02em;}
.brand-sub{
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.22em;color:var(--t-3);
  text-transform:uppercase;
}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.nav-links a{
  position:relative;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--t-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--t-1);background:rgba(255,255,255,.05);}
.nav-links a:active{background:rgba(255,255,255,.08);}
.nav-links a:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.nav-links a.is-active{
  color:var(--c-primary);
  background:rgba(47,225,200,.1);
  box-shadow:inset 0 -2px 0 rgba(47,225,200,.75);
}
.nav-side{display:flex;align-items:center;gap:14px;flex:none;}
.nav-clock{
  font-family:var(--font-mono);
  font-size:12px;color:var(--t-3);letter-spacing:.04em;white-space:nowrap;
}
.nav-clock b{color:var(--c-accent);font-weight:600;}
.nav-cta{height:38px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;position:relative;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  cursor:pointer;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--line-accent);background:rgba(47,225,200,.08);}
.nav-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:var(--t-1);transform:translate(-50%,-50%);transition:background-color .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--t-1);transition:transform .2s ease,top .2s ease,background-color .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);background:var(--c-primary);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);background:var(--c-primary);}
.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:75;
  padding:24px;
  background:rgba(6,10,20,.96);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-top:1px solid var(--line);
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;flex-direction:column;gap:6px;}
.mobile-drawer a{
  padding:14px 16px;border-radius:var(--r-btn);
  font-size:16px;color:var(--t-2);
  border:1px solid transparent;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.mobile-drawer a:hover{color:var(--t-1);background:rgba(255,255,255,.05);}
.mobile-drawer a.is-active{color:var(--c-primary);background:rgba(47,225,200,.1);border-color:var(--line-accent);}
.mobile-drawer a.drawer-cta{
  margin-top:auto;text-align:center;justify-content:center;
  background:var(--c-primary);color:#04120F;font-weight:700;
  box-shadow:var(--shadow-btn);
}
/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13px;color:var(--t-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.breadcrumb a{color:var(--t-2);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb a:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.breadcrumb .sep{color:var(--t-3);opacity:.6;}
.breadcrumb .current{color:var(--t-1);}
/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 60px;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(5,7,14,.6) 0%, rgba(5,7,14,.9) 70%, rgba(5,7,14,.98) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-accent);
  background:rgba(47,225,200,.08);
  color:var(--c-primary);
  font-size:12px;letter-spacing:.08em;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px rgba(47,225,200,.9);
}
.page-hero h1{
  margin:20px 0 16px;
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
}
.page-hero h1 em{
  font-style:normal;color:var(--c-primary);
}
.hero-sub{
  font-size:16px;color:var(--t-2);
  max-width:680px;
  line-height:1.9;
}
.search-shell{
  display:flex;align-items:center;gap:10px;
  margin-top:28px;
  padding:8px;
  border-radius:16px;
  border:1px solid var(--line-soft);
  background:rgba(10,16,28,.82);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-panel);
  max-width:620px;
}
.search-shell input{
  flex:1;min-width:0;
  height:44px;padding:0 14px;
  background:transparent;border:0;border-radius:10px;
  color:var(--t-1);font-size:15px;
}
.search-shell input::placeholder{color:var(--t-3);}
.search-shell input:focus{outline:none;}
.search-shell:focus-within{border-color:var(--line-accent);box-shadow:0 0 0 3px rgba(47,225,200,.14);}
.search-shell .btn{height:44px;padding:0 20px;font-size:15px;}
.hot-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:18px;font-size:13px;color:var(--t-3);
}
.hot-tags .tag{
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--t-2);font-size:13px;cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.hot-tags .tag:hover{color:var(--c-primary);border-color:var(--line-accent);background:rgba(47,225,200,.1);transform:translateY(-1px);}
.hot-tags .tag:active{transform:translateY(0);background:rgba(47,225,200,.16);}
.hot-tags .tag:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
/* ---------- 数据条 ---------- */
.stat-strip{background:var(--bg-1);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{
  padding:26px 22px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-mono);
  font-size:28px;font-weight:700;color:var(--c-primary);
  letter-spacing:.02em;line-height:1.2;
}
.stat-num span{font-size:14px;color:var(--t-3);margin-left:4px;font-weight:400;}
.stat-label{font-size:13px;color:var(--t-3);margin-top:6px;}
/* ---------- 通用板块 ---------- */
.section{padding:clamp(48px,7vw,88px) 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;}
.section-head p{font-size:14px;color:var(--t-3);margin-top:8px;max-width:620px;line-height:1.8;}
.section-head .head-index{
  font-family:var(--font-mono);
  font-size:13px;color:var(--t-3);letter-spacing:.16em;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 14px;white-space:nowrap;
}
/* ---------- FAQ 分组 ---------- */
.faq-groups{display:flex;flex-direction:column;gap:44px;}
.faq-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:700;margin-bottom:18px;
}
.faq-group-title .dot{
  width:8px;height:8px;border-radius:2px;
  background:var(--c-primary);
  box-shadow:0 0 12px rgba(47,225,200,.8);
  flex:none;
}
.faq-group-title .count{
  font-family:var(--font-mono);font-size:12px;color:var(--t-3);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:2px 10px;letter-spacing:.06em;font-weight:400;
}
.faq-group-note{font-size:14px;color:var(--t-3);margin:-8px 0 16px 20px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(140,220,255,.22);transform:translateY(-2px);}
.faq-item.is-open{border-color:var(--line-accent);}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:var(--c-primary);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 24px;
  background:none;border:0;cursor:pointer;
  color:var(--t-1);font-size:16px;font-weight:600;line-height:1.6;
  text-align:left;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:-3px;border-radius:var(--r-card);}
.faq-arrow{
  width:10px;height:10px;flex:none;
  border-right:2px solid var(--t-3);
  border-bottom:2px solid var(--t-3);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg) translateY(-2px);border-color:var(--c-primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;line-height:1.9;color:var(--t-2);
  max-width:76ch;
}
.faq-a-inner strong{color:var(--t-1);font-weight:600;}
.faq-empty{
  padding:36px 24px;
  text-align:center;
  border-radius:var(--r-card);
  border:1px dashed var(--line-soft);
  background:rgba(16,24,39,.5);
  color:var(--t-2);
  font-size:15px;
}
.faq-empty b{display:block;color:var(--t-1);margin-bottom:6px;font-size:16px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
/* ---------- 联系入口 ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.contact-card{
  border-radius:var(--r-panel);
  border:1px solid var(--line-soft);
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-panel),inset 0 1px 0 rgba(255,255,255,.06);
  padding:clamp(20px,3vw,30px);
}
.contact-card h3{font-size:20px;margin-bottom:8px;}
.contact-card .card-sub{font-size:14px;color:var(--t-3);margin-bottom:22px;line-height:1.85;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:13px;color:var(--t-2);letter-spacing:.02em;}
.field input,.field textarea{
  width:100%;
  background:rgba(5,7,14,.75);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--t-1);
  padding:12px 14px;
  font-size:15px;
  line-height:1.7;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--t-3);}
.field input:hover,.field textarea:hover{border-color:rgba(255,255,255,.16);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--line-accent);
  background:rgba(10,16,28,.95);
  box-shadow:0 0 0 3px rgba(47,225,200,.14);
}
.field.has-error input,.field.has-error textarea{border-color:rgba(255,92,122,.7);}
.field .err{display:none;font-size:12px;color:var(--c-hot);}
.field.has-error .err{display:block;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ticket-form .btn{width:100%;margin-top:6px;}
.form-status{
  display:none;
  margin-top:14px;padding:12px 14px;
  border-radius:var(--r-btn);
  font-size:14px;
  border:1px solid var(--line-accent);
  background:rgba(47,225,200,.1);
  color:var(--c-primary);
}
.form-status.is-show{display:block;}
.form-note{font-size:12px;color:var(--t-3);margin-top:14px;line-height:1.8;}
.info-list{display:flex;flex-direction:column;gap:14px;}
.info-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  transition:border-color .18s ease,background-color .18s ease;
}
.info-item:hover{border-color:var(--line-accent);background:rgba(47,225,200,.05);}
.info-dot{
  width:32px;height:32px;flex:none;border-radius:10px;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:13px;
  color:var(--c-primary);
  background:rgba(47,225,200,.1);
  border:1px solid var(--line-accent);
}
.info-item h4{font-size:15px;font-weight:600;margin-bottom:4px;}
.info-item p{font-size:13px;color:var(--t-3);line-height:1.75;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;
  border:1px solid transparent;
}
.badge-online{color:var(--c-primary);background:rgba(47,225,200,.1);border-color:rgba(47,225,200,.3);}
.badge-soon{color:var(--c-accent);background:rgba(255,178,63,.1);border-color:rgba(255,178,63,.3);}
/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cross-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--line-accent);box-shadow:var(--shadow-panel);}
.cross-card:active{transform:translateY(-1px);}
.cross-card:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}
.cross-thumb{aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.cross-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.cross-card:hover .cross-thumb img{transform:scale(1.03);}
.cross-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1;}
.cross-body h3{font-size:16px;font-weight:600;color:var(--t-1);}
.cross-body p{font-size:13px;color:var(--t-3);line-height:1.75;flex:1;}
.cross-more{font-size:13px;color:var(--c-primary);letter-spacing:.02em;transition:transform .2s ease;}
.cross-card:hover .cross-more{transform:translateX(3px);}
/* ---------- 底部 CTA ---------- */
.cta-band{
  padding:clamp(36px,5vw,56px) 0;
  background:
    radial-gradient(900px 280px at 20% 0%, rgba(47,225,200,.14), transparent 70%),
    var(--bg-1);
  border-top:1px solid var(--line);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  padding:clamp(24px,3vw,34px) clamp(20px,3vw,34px);
  border-radius:var(--r-panel);
  border:1px solid var(--line-accent);
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-panel),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:8px;}
.cta-inner p{font-size:14px;color:var(--t-2);max-width:560px;line-height:1.85;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--line);
  padding:clamp(44px,6vw,72px) 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t-3);line-height:1.9;max-width:340px;}
.footer-col h3{font-size:14px;color:var(--t-1);margin-bottom:16px;letter-spacing:.04em;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--t-3);transition:color .18s ease;}
.footer-col li a:hover{color:var(--c-primary);}
.footer-col li a:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.footer-col p{font-size:13px;color:var(--t-3);line-height:1.9;margin-bottom:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;
  font-size:13px;color:var(--t-3);
}
.footer-bottom span{font-family:var(--font-mono);color:var(--t-3);}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px;}
  .nav-links a{padding:8px 11px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-clock{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .page-hero{padding:28px 0 44px;}
  .hero-sub{font-size:15px;}
  .search-shell{flex-direction:column;align-items:stretch;gap:8px;padding:12px;}
  .search-shell input{height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.02);}
  .search-shell .btn{width:100%;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14px;}
  .form-row{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;min-width:140px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .cross-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 6px;}
  .stat-item:last-child{border-bottom:0;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .btn{width:100%;}
  .faq-item:hover{transform:none;}
  .cross-card:hover{transform:none;}
}