/* roulang page: index */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:8px;--r-md:12px;--r-card:18px;--r-lg:24px;--r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
  --shadow-glow:0 12px 32px rgba(31,224,192,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -10%,rgba(31,224,192,.10),transparent 60%),
    radial-gradient(760px 460px at 92% 4%,rgba(179,107,255,.09),transparent 62%),
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed,fixed,scroll,scroll;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--primary)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
h1{font-size:clamp(34px,6vw,64px)}
h2{font-size:clamp(26px,4vw,40px)}
h3{font-size:20px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(31,224,192,.10);border:1px solid rgba(31,224,192,.22);
}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{margin:16px 0 12px}
.section-head p{color:var(--text-2);font-size:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,12,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:var(--bg-elev);box-shadow:var(--shadow-1)}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(240px,1fr) auto;
  align-items:center;
  gap:20px;
  padding-top:16px;padding-bottom:12px;
  transition:padding .25s ease;
}
.site-header.is-scrolled .header-inner{padding-top:10px;padding-bottom:10px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0}
.logo:hover{color:var(--text)}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(31,224,192,.24);
  color:var(--primary-ink);
}
.logo-text{
  font-size:17px;font-weight:800;letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-search{
  position:relative;
  width:100%;max-width:560px;
  display:flex;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:5px 6px 5px 14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,192,.16);
  background:var(--surface-2);
}
.search-icon{display:grid;place-items:center;color:var(--muted);flex-shrink:0}
.nav-search input{
  flex:1;min-width:0;
  border:0;background:transparent;outline:none;
  padding:9px 10px;font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search input::-webkit-search-cancel-button{display:none}
.search-clear{
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;color:var(--muted);
  font-size:16px;line-height:1;transition:color .2s,background .2s;
}
.search-clear:hover{color:var(--text);background:rgba(255,255,255,.06)}
.search-submit{
  flex-shrink:0;
  padding:9px 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;
  color:var(--primary-ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  transition:transform .2s ease,box-shadow .2s ease;
}
.search-submit:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}
.search-suggest{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-2);
  padding:14px 16px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav-search:focus-within .search-suggest{opacity:1;visibility:visible;transform:translateY(0)}
.suggest-title{display:block;font-size:12px;color:var(--muted);margin-bottom:10px;letter-spacing:.06em}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px}
.suggest-terms button{
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:all .2s ease;
}
.suggest-terms button:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(31,224,192,.10)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cats{
  display:flex;gap:8px;overflow-x:auto;
  padding-bottom:12px;padding-top:2px;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  flex-shrink:0;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  white-space:nowrap;
  transition:all .2s ease;
}
.cat-pill:hover{color:var(--primary);border-color:var(--line-strong)}
.cat-pill.is-active{
  color:var(--primary-ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  border-color:transparent;font-weight:700;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);
  color:var(--text);place-items:center;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:14px;
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  color:var(--primary-ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(31,224,192,.16);
}
.btn-primary:hover{color:var(--primary-ink);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.btn-outline{
  color:var(--text);border-color:var(--line-strong);background:transparent;
}
.btn-outline:hover{color:var(--primary);background:var(--surface-2);transform:translateY(-2px)}
.btn-ghost{color:var(--text-2);padding:10px 14px;font-weight:600}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost .arrow{transition:transform .2s ease}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:12px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;line-height:1.6;
  border:1px solid transparent;
}
.badge-primary{color:var(--primary);background:rgba(31,224,192,.12);border-color:rgba(31,224,192,.24)}
.badge-accent{color:var(--accent);background:rgba(255,122,69,.12);border-color:rgba(255,122,69,.24)}
.badge-violet{color:var(--accent-2);background:rgba(179,107,255,.13);border-color:rgba(179,107,255,.26)}
.badge-success{color:var(--success);background:rgba(56,217,150,.12);border-color:rgba(56,217,150,.24)}
.badge-warning{color:var(--warning);background:rgba(255,200,87,.12);border-color:rgba(255,200,87,.24)}
.badge-danger{color:var(--danger);background:rgba(255,92,119,.12);border-color:rgba(255,92,119,.24)}
.badge-muted{color:var(--muted);background:rgba(255,255,255,.05);border-color:var(--line)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(10,13,12,.94) 0%,rgba(10,13,12,.76) 42%,rgba(10,13,12,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.9;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 420px at 18% 22%,rgba(31,224,192,.22),transparent 62%),
             radial-gradient(520px 380px at 88% 78%,rgba(179,107,255,.16),transparent 66%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
  padding:96px 24px 88px;
  max-width:1200px;margin:0 auto;
}
.hero-copy h1{margin:20px 0 18px}
.hero-copy h1 span{color:var(--primary)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.hero-keywords .badge{cursor:default}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:14px;margin-top:34px;padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stats .num{font-size:24px;font-weight:800;color:var(--primary);display:block;line-height:1.4}
.hero-stats .lab{font-size:13px;color:var(--muted)}

.panel{
  background:linear-gradient(160deg,rgba(20,27,25,.96),rgba(16,21,20,.96));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);
  padding:24px;
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.panel-head h3{font-size:16px;font-weight:700}
.panel-head .live{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--success)}
.panel-list{display:flex;flex-direction:column;gap:2px}
.panel-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 12px;border-radius:var(--r-md);
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.panel-item:last-child{border-bottom:0}
.panel-item:hover{background:var(--surface-2)}
.panel-item .name{font-size:14.5px;color:var(--text);font-weight:600}
.panel-item .desc{font-size:12.5px;color:var(--muted)}
.panel-foot{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.panel-foot .btn{flex:1}

/* ============ 快捷入口 ============ */
.grid-quick{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.quick-card{
  display:flex;flex-direction:column;gap:10px;
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
}
.quick-card:hover{
  transform:translateY(-4px);
  border-color:var(--primary);
  box-shadow:var(--shadow-1);
  background:var(--surface-2);
}
.quick-icon{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(31,224,192,.10);
  border:1px solid rgba(31,224,192,.22);
  color:var(--primary);
}
.quick-card h3{font-size:16.5px;color:var(--text)}
.quick-card p{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1}
.quick-card .more{font-size:13px;color:var(--primary);font-weight:700}
.quick-card:nth-child(4n+2) .quick-icon{background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.24);color:var(--accent)}
.quick-card:nth-child(4n+3) .quick-icon{background:rgba(179,107,255,.12);border-color:rgba(179,107,255,.26);color:var(--accent-2)}
.quick-card:nth-child(4n+4) .quick-icon{background:rgba(255,200,87,.12);border-color:rgba(255,200,87,.26);color:var(--warning)}

/* ============ 玩法时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:12px;position:relative}
.step{
  position:relative;padding:0 22px 0 0;
}
.step-line{
  display:flex;align-items:center;gap:12px;margin-bottom:20px;
}
.step-num{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;
  color:var(--primary);background:rgba(31,224,192,.10);
  border:1px solid rgba(31,224,192,.28);
}
.step-bar{flex:1;height:2px;background:linear-gradient(90deg,var(--line-strong),rgba(255,255,255,.06))}
.step:last-child .step-bar{background:rgba(255,255,255,.06)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:14px}
.step .badge{margin-bottom:14px}
.step-media{
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--surface-2),var(--surface));
}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.step:hover .step-media img{transform:scale(1.04)}

/* ============ 奖励 Bento ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  grid-auto-rows:minmax(150px,auto);
  gap:18px;
}
.reward-card{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  display:flex;flex-direction:column;justify-content:flex-end;
  min-height:180px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-1)}
.reward-card .bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;transition:transform .5s ease,opacity .3s ease;
}
.reward-card:hover .bg{transform:scale(1.06);opacity:.46}
.reward-card .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,12,.30),rgba(10,13,12,.92));
}
.reward-card .inner{position:relative;z-index:2}
.reward-card h3{font-size:17px;margin:10px 0 6px}
.reward-card p{font-size:13px;color:var(--text-2);line-height:1.7}
.reward-card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:4px}
.span-3{grid-column:span 3}
.span-2{grid-column:span 2}
.span-4{grid-column:span 4}
.reward-card.tall{min-height:300px}
.reward-highlight{
  background:linear-gradient(150deg,rgba(31,224,192,.14),rgba(20,27,25,.95));
  border-color:rgba(31,224,192,.34);
}

/* ============ 任务板 ============ */
.taskboard{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.task-tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}
.task-tab{
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:all .2s ease;
}
.task-tab:hover{color:var(--primary);border-color:var(--line-strong)}
.task-tab.is-active{color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent}
.task-panel{display:none}
.task-panel.is-active{display:block;animation:fadeUp .32s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.task-row{
  display:grid;grid-template-columns:minmax(0,1fr) 210px 110px;
  gap:18px;align-items:center;
  padding:18px 14px;
  border-bottom:1px solid var(--line);
  border-radius:var(--r-md);
  transition:background .2s ease;
}
.task-row:hover{background:var(--surface-2)}
.task-row:last-child{border-bottom:0}
.task-row .t-name{font-size:15.5px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.task-row .t-desc{font-size:13px;color:var(--muted);margin-top:4px}
.progress{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden}
.progress span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary-2),var(--primary))}
.progress.accent span{background:linear-gradient(90deg,var(--accent),var(--warning))}
.progress.violet span{background:linear-gradient(90deg,var(--accent-2),var(--primary))}
.progress-txt{font-size:12.5px;color:var(--muted);margin-top:6px;display:flex;justify-content:space-between}
.task-status{justify-self:end}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  color:var(--text-2);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-1);background:var(--surface-2);color:var(--text-2)}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.news-cat{font-size:12.5px;color:var(--primary);font-weight:700}
.news-title{font-size:17px;color:var(--text);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-summary{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}
.news-more{color:var(--primary);font-weight:700}
.news-skeleton{height:172px;border-radius:var(--r-card);background:linear-gradient(90deg,var(--surface),var(--surface-2),var(--surface));background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.empty-state{
  padding:44px 24px;text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
  color:var(--muted);font-size:14.5px;
}
.empty-state strong{display:block;color:var(--text-2);font-size:16px;margin-bottom:6px}
.list-foot{display:flex;justify-content:center;margin-top:32px}

/* ============ CTA 色带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(31,224,192,.28);
  background:
    linear-gradient(120deg,rgba(31,224,192,.16),rgba(179,107,255,.12) 55%,rgba(255,122,69,.12)),
    var(--surface);
  padding:46px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,192,.24),transparent 68%);
}
.cta-band .txt{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px}
.cta-band .acts{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:transparent;transition:background .25s ease;
}
.faq-item.is-open::before{background:var(--primary)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 16px 20px 20px;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);
  font-size:16px;line-height:1;
  transition:transform .28s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);color:var(--primary-ink);background:var(--primary);border-color:transparent}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 48px 22px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85}
.faq-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.faq-side h3{font-size:17px;margin-bottom:12px}
.faq-side p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px}
.faq-side ul{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.faq-side li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.faq-side li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:10px;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-elev);margin-top:20px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.9;max-width:320px}
.footer-search{display:flex;margin-top:18px;max-width:320px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 14px}
.footer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;padding:8px 6px}
.footer-search button{padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;font-weight:700;color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),var(--primary-2))}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-col address{font-style:normal;font-size:13.5px;color:var(--muted);line-height:2}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* 移动端底部 CTA */
.mobile-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 16px;
  background:rgba(10,13,12,.94);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  gap:10px;
}
.mobile-cta .btn{flex:1}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1160px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .header-inner{grid-template-columns:auto 1fr auto;gap:14px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 24px 64px}
  .grid-quick{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .step{padding-right:0}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .bento{grid-template-columns:repeat(4,minmax(0,1fr))}
  .span-3{grid-column:span 4}
  .span-4{grid-column:span 4}
  .span-2{grid-column:span 2}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .nav-toggle{display:grid}
  .header-inner{grid-template-columns:auto 1fr auto;padding-top:12px;padding-bottom:10px}
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-primary{display:none}
  .nav-search{max-width:none}
  .nav-search input{font-size:14px;padding:8px 6px}
  .search-submit{padding:8px 14px;font-size:13px}
  .hero-copy h1{font-size:clamp(30px,8vw,42px)}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-stats .num{font-size:20px}
  .grid-quick{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:26px}
  .news-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span-3,.span-2,.span-4{grid-column:span 2}
  .taskboard{padding:20px}
  .task-row{grid-template-columns:1fr;gap:12px}
  .task-status{justify-self:start}
  .cta-band{padding:32px 22px}
  .cta-band .acts{width:100%}
  .cta-band .acts .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .mobile-cta{display:flex}
  body{padding-bottom:66px}
  .faq-q{font-size:15.5px;padding:18px 12px 18px 18px}
  .faq-a p{padding:0 24px 20px 18px}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-mark{width:34px;height:34px}
  .hero-inner{padding:56px 16px 48px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .reward-card.tall{min-height:230px}
  .badge{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-card:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
  --glow:0 12px 32px rgba(31,224,192,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:72px 72px;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--primary)}
button{font:inherit;cursor:pointer;color:inherit}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(31,224,192,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1360px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);box-shadow:0 6px 18px rgba(31,224,192,.16);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow);color:var(--primary-ink)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line-strong);background:transparent;color:var(--text)}
.btn-outline:hover{background:var(--surface-2);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text-2);padding:0 14px}
.btn-ghost:hover{color:var(--primary);background:var(--surface-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:12px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.7;white-space:nowrap;
}
.badge-primary{background:rgba(31,224,192,.12);color:var(--primary)}
.badge-accent{background:rgba(255,122,69,.14);color:var(--accent)}
.badge-purple{background:rgba(179,107,255,.14);color:#C9A2FF}
.badge-warning{background:rgba(255,200,87,.14);color:var(--warning)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg-elev);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header-inner{display:flex;align-items:center;gap:20px;padding:14px 0;transition:padding .25s ease}
.site-header.is-compact .header-inner{padding:8px 0}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:18px;white-space:nowrap}
.logo:hover{color:var(--text)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(135deg,rgba(31,224,192,.22),rgba(179,107,255,.16));
  border:1px solid var(--line-strong);color:var(--primary);
}
.logo-text em{font-style:normal;color:var(--primary)}

.nav-search{
  position:relative;flex:1 1 auto;max-width:600px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  min-height:46px;padding:5px 5px 5px 44px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.18)}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);display:flex;color:var(--muted)}
.nav-search:focus-within .search-icon{color:var(--primary)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:36px;border:0;background:transparent;outline:none;
  color:var(--text);font-size:15px;
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search input::-webkit-search-cancel-button{display:none}
.search-clear{
  width:28px;height:28px;flex:0 0 28px;border:0;border-radius:50%;
  background:transparent;color:var(--muted);font-size:18px;line-height:1;
}
.search-clear:hover{background:var(--surface-2);color:var(--text)}
.search-submit{
  height:36px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:14px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.search-submit:hover{box-shadow:var(--glow);transform:translateY(-1px)}
.search-suggest{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  display:none;padding:14px 16px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);text-align:left;
}
.nav-search:focus-within .search-suggest{display:block}
.suggest-title{display:block;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px}
.suggest-terms button{
  padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);font-size:13px;
}
.suggest-terms button:hover{border-color:var(--line-strong);color:var(--primary)}

.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text-2);
}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong)}

.nav-cats{display:flex;gap:8px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  color:var(--text-2);font-size:14px;line-height:1.6;
}
.cat-pill:hover{border-color:var(--line-strong);color:var(--primary)}
.cat-pill.is-active{
  background:rgba(31,224,192,.12);border-color:var(--line-strong);
  color:var(--primary);font-weight:600;
}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;padding:34px 0 48px;
  background-image:
    linear-gradient(180deg,rgba(10,13,12,.84),rgba(10,13,12,.97)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,192,.5),transparent);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--muted);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.28;max-width:920px;margin-bottom:22px;
  text-wrap:balance;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13.5px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{color:var(--primary);opacity:.85}

/* ---------- 封面 ---------- */
.article-cover{
  margin:38px 0 0;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{padding:12px 18px;font-size:13px;color:var(--muted);background:var(--surface);border-top:1px solid var(--line)}

/* ---------- 主体布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:36px;
  padding:48px 0 64px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:56px 0 72px}
}

.article-head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);font-size:13px;
}
.tag:hover{border-color:var(--line-strong);color:var(--primary)}

.article-body{max-width:820px;font-size:17.5px;line-height:1.9;color:var(--text-2);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;margin:44px 0 18px;padding-left:16px;
  font-size:clamp(21px,2.4vw,26px);line-height:1.45;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.article-body h3{margin:32px 0 12px;font-size:20px;line-height:1.5;color:var(--text)}
.article-body h4{margin:24px 0 10px;font-size:17px;color:var(--text)}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body li::marker{color:var(--primary)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(31,224,192,.35)}
.article-body a:hover{color:var(--primary-2);border-bottom-color:var(--primary)}
.article-body strong{color:var(--text)}
.article-body blockquote{
  margin:24px 0;padding:14px 20px;border-left:3px solid var(--primary);
  background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;border:1px solid var(--line);margin:24px 0}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:700}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.article-body code{padding:2px 7px;border-radius:6px;background:var(--surface-2);color:var(--primary);font-size:14.5px}
.article-body hr{margin:36px 0;border:0;height:1px;background:var(--line)}

.empty-state{
  padding:52px 24px;text-align:center;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state h2{margin:0 0 12px;padding:0;font-size:22px;color:var(--text)}
.empty-state h2::before{display:none}
.empty-state p{margin:0 0 22px;color:var(--muted);font-size:15px}

.back-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}

/* ---------- 侧栏 ---------- */
.aside-inner{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .aside-inner{position:sticky;top:104px}
}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:15px;border-radius:3px;background:var(--primary)}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted)}
.side-row strong{color:var(--text);font-weight:600;font-size:14px}

.related-item{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);
  border-radius:10px;transition:background-color .2s ease,transform .2s ease;
}
.related-item:last-child{border-bottom:0;padding-bottom:0}
.related-item:hover{background:var(--surface-2);transform:translateX(3px)}
.related-thumb{
  width:84px;height:56px;flex:0 0 84px;border-radius:10px;overflow:hidden;
  background:linear-gradient(135deg,var(--surface-2),var(--bg-elev));border:1px solid var(--line);
}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body h4{font-size:14.5px;line-height:1.5;font-weight:600;margin-bottom:6px;color:var(--text)}
.related-item:hover .related-body h4{color:var(--primary)}
.related-date{font-size:12.5px;color:var(--muted)}

.quick-links{display:flex;flex-wrap:wrap;gap:8px}
.quick-links a{
  padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface-2);color:var(--text-2);font-size:13px;
}
.quick-links a:hover{border-color:var(--line-strong);color:var(--primary)}

/* ---------- CTA 色带 ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  margin:0 0 72px;padding:36px;
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  background:
    radial-gradient(600px 200px at 12% 0%,rgba(31,224,192,.16),transparent 70%),
    radial-gradient(500px 200px at 88% 100%,rgba(179,107,255,.14),transparent 70%),
    var(--surface);
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;background:var(--bg-elev);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand p{margin:16px 0 20px;max-width:380px;font-size:14px;line-height:1.85;color:var(--muted)}
.footer-search{
  display:flex;align-items:center;gap:8px;max-width:340px;padding:5px 5px 5px 18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.16)}
.footer-search input{flex:1 1 auto;min-width:0;height:32px;border:0;background:transparent;outline:none;color:var(--text);font-size:14px}
.footer-search input::placeholder{color:var(--muted)}
.footer-search button{
  height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--primary);font-size:14px;font-weight:600;
}
.footer-search button:hover{background:rgba(31,224,192,.14)}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-col address{font-style:normal;font-size:14px;line-height:1.95;color:var(--muted)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-cover{margin-top:30px}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cats{flex-wrap:wrap;overflow:visible;display:none}
  .nav-cats.is-open{display:flex}
  .article-hero h1{font-size:clamp(26px,7vw,34px)}
  .breadcrumb .current{white-space:normal}
  .cta-band{padding:26px;margin-bottom:56px}
  .article-body{font-size:17px;line-height:1.85}
  .article-body table{white-space:normal}
  .article-body th,.article-body td{white-space:normal}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px;flex:0 0 30px}
  .search-submit{padding:0 16px}
  .article-hero{padding:24px 0 36px}
  .article-meta{gap:10px 14px}
  .footer-grid{padding:44px 0 24px}
  .cta-actions .btn{flex:1 1 auto}
  .back-links .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-card:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --sp-6:48px;
  --sp-7:64px;
  --sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 20%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 20%,transparent 80%);
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
img{max-width:100%;display:block}
button{font-family:inherit}
address{font-style:normal}
::selection{background:rgba(31,224,192,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media (min-width:1280px){.container{max-width:1360px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,12,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(16,21,20,.96);box-shadow:var(--shadow-1)}
.header-inner{
  display:flex;align-items:center;gap:16px;
  min-height:78px;padding-top:10px;padding-bottom:10px;
  transition:min-height .2s ease;
}
.site-header.is-scrolled .header-inner{min-height:66px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;white-space:nowrap;flex:0 0 auto}
.logo:hover{text-decoration:none;color:var(--text)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(31,224,192,.25);flex:0 0 auto;
}
.logo-text em{font-style:normal;color:var(--primary)}

.nav-search{
  position:relative;flex:1 1 auto;max-width:600px;width:100%;margin:0 auto;
  display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:5px 5px 5px 42px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.18);background:var(--surface-2)}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);display:flex;pointer-events:none}
.nav-search:focus-within .search-icon{color:var(--primary)}
.nav-search input[type="search"]{
  flex:1 1 auto;min-width:0;height:38px;border:0;background:transparent;
  color:var(--text);font-size:15px;font-family:inherit;outline:none;
}
.nav-search input[type="search"]::placeholder{color:var(--muted)}
.search-clear{
  border:0;background:transparent;color:var(--muted);font-size:20px;line-height:1;
  width:30px;height:30px;border-radius:50%;cursor:pointer;display:none;transition:color .2s,background .2s;
}
.search-clear:hover{color:var(--text);background:var(--surface-2)}
.nav-search.has-value .search-clear{display:block}
.search-submit{
  border:0;cursor:pointer;border-radius:var(--r-pill);
  padding:9px 20px;font-size:14px;font-weight:700;font-family:inherit;
  color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),var(--primary-2));
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;flex:0 0 auto;
}
.search-submit:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(31,224,192,.25)}
.search-submit:active{transform:translateY(1px)}
.search-suggest{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px 16px;box-shadow:var(--shadow-2);
  display:none;
}
.nav-search:focus-within .search-suggest{display:block}
.suggest-title{display:block;font-size:12px;color:var(--muted);margin-bottom:10px;letter-spacing:.02em}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px}
.suggest-terms button{
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;cursor:pointer;
  transition:border-color .18s,color .18s,transform .18s;font-family:inherit;
}
.suggest-terms button:hover{border-color:var(--line-strong);color:var(--primary);transform:translateY(-1px)}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  align-items:center;justify-content:center;cursor:pointer;transition:border-color .18s,color .18s;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary)}

.nav-cats{
  display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  padding:0 24px 12px;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:border-color .18s,color .18s,background .18s,transform .18s;
}
.cat-pill:hover{color:var(--primary);border-color:var(--line-strong);text-decoration:none;transform:translateY(-1px)}
.cat-pill.is-active{
  color:var(--primary-ink);border-color:transparent;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  font-weight:700;
}
.cat-pill.is-active:hover{color:var(--primary-ink)}
.nav-cats-wrap{position:relative}
.nav-cats-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:12px;width:56px;
  background:linear-gradient(90deg,transparent,rgba(10,13,12,.95));pointer-events:none;
}
@media (min-width:1024px){.nav-cats-wrap::after{display:none}}

.mobile-panel{
  display:none;padding:0 24px 18px;
  border-top:1px solid var(--line);margin-top:4px;
}
.mobile-panel.is-open{display:grid;gap:6px}
.mobile-panel a{
  padding:11px 14px;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--line);font-size:15px;color:var(--text-2);
}
.mobile-panel a:hover{text-decoration:none;border-color:var(--line-strong);color:var(--primary)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn-primary{
  color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(31,224,192,.18);
}
.btn-primary:hover{color:var(--primary-ink);box-shadow:0 12px 32px rgba(31,224,192,.28)}
.btn-secondary{
  color:var(--primary);border-color:var(--line-strong);background:rgba(31,224,192,.06);
}
.btn-secondary:hover{color:var(--primary);background:var(--surface-2)}
.btn-ghost{color:var(--text-2);border-color:transparent;background:transparent;padding:0 10px;min-height:40px}
.btn-ghost:hover{color:var(--primary);background:var(--surface-2)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;line-height:1.6;white-space:nowrap;
}
.badge-primary{color:var(--primary);background:rgba(31,224,192,.12)}
.badge-accent{color:var(--accent);background:rgba(255,122,69,.12)}
.badge-purple{color:var(--accent-2);background:rgba(179,107,255,.14)}
.badge-success{color:var(--success);background:rgba(56,217,150,.12)}
.badge-warning{color:var(--warning);background:rgba(255,200,87,.12)}
.badge-muted{color:var(--text-2);background:rgba(255,255,255,.07)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:#080B0A;
  background-image:linear-gradient(180deg,rgba(8,11,10,.78) 0%,rgba(8,11,10,.93) 60%,rgba(10,13,12,1) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 55% 70% at 18% 20%,rgba(31,224,192,.16),transparent 65%),
             radial-gradient(ellipse 40% 55% at 88% 78%,rgba(179,107,255,.12),transparent 70%);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;align-items:center;
  padding:64px 0 72px;
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text-2)}
.hero-tag{margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px}
.cat-hero h1{
  font-size:clamp(30px,5.4vw,54px);
  line-height:1.2;margin-bottom:18px;
}
.cat-hero h1 .hl{color:var(--primary)}
.hero-lead{font-size:clamp(15px,1.5vw,17.5px);color:var(--text-2);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-note{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.hero-note .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(56,217,150,.16)}

.hero-panel{
  background:linear-gradient(160deg,rgba(28,36,34,.92),rgba(16,21,20,.92));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-2);
}
.hero-panel h2{font-size:16px;margin-bottom:6px}
.hero-panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-cell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;transition:border-color .2s ease,transform .2s ease;
}
.stat-cell:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.stat-num{font-size:24px;font-weight:800;color:var(--primary);line-height:1.3}
.stat-num small{font-size:13px;color:var(--text-2);font-weight:600;margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- Section base ---------- */
.section{padding:84px 0;position:relative}
.section-alt{background:var(--bg-elev);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--primary);
  background:rgba(31,224,192,.10);border-radius:var(--r-pill);
  padding:4px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px;max-width:720px}

/* ---------- Timeline ---------- */
.timeline{list-style:none;display:flex;flex-direction:column;gap:26px}
.tl-item{display:grid;grid-template-columns:76px minmax(0,1fr);gap:22px}
.tl-rail{position:relative;display:flex;justify-content:center}
.tl-rail::before{
  content:"";position:absolute;top:56px;bottom:-26px;width:2px;
  background:linear-gradient(180deg,rgba(31,224,192,.45),rgba(31,224,192,.05));
}
.tl-item:last-child .tl-rail::before{display:none}
.tl-num{
  position:relative;z-index:1;
  width:54px;height:54px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:var(--primary);
  background:var(--surface);border:1px solid var(--line-strong);
  box-shadow:0 0 0 7px rgba(31,224,192,.06);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:24px;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.tl-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.tl-card h3{font-size:20px;margin-bottom:10px}
.tl-card p{color:var(--text-2);font-size:15.5px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-thumb{
  width:100%;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(135deg,rgba(31,224,192,.14),rgba(179,107,255,.12));
}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tl-card:hover .tl-thumb img{transform:scale(1.04)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:22px}
.b-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.b-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.b-media{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(31,224,192,.14),rgba(255,122,69,.10))}
.b-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.b-card:hover .b-media img{transform:scale(1.04)}
.b-lg .b-media{aspect-ratio:16/9}
.b-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.b-body h3{font-size:20px}
.b-body p{color:var(--text-2);font-size:15px}
.b-stack{display:grid;gap:22px;align-content:start}
.b-stack .b-card{padding:22px 24px}
.b-stack .b-card h3{font-size:18px;margin-bottom:10px}
.b-wide{grid-column:1/-1;padding:24px}
.b-wide-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:6px}
.b-wide-row div{border-left:2px solid var(--line-strong);padding-left:16px}
.b-wide-row h4{font-size:15.5px;margin-bottom:6px;color:var(--primary)}
.b-wide-row p{font-size:14.5px;color:var(--text-2)}

/* ---------- Checklist ---------- */
.check-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
.check-list{list-style:none;display:grid;gap:12px}
.check-item{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.check-item:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateY(-2px)}
.check-icon{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;display:grid;place-items:center;
  background:rgba(31,224,192,.12);color:var(--primary);margin-top:2px;
}
.check-text{flex:1 1 auto;min-width:0}
.check-text strong{display:block;font-size:15.5px;margin-bottom:2px;font-weight:700}
.check-text span{font-size:14px;color:var(--muted)}
.check-item .badge{flex:0 0 auto;margin-top:2px}

.side-block{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;margin-bottom:20px;
}
.side-block h3{font-size:18px;margin-bottom:14px}
.side-list{list-style:none;display:grid;gap:12px}
.side-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7}
.side-list li b{color:var(--primary);font-weight:700;flex:0 0 auto;font-variant-numeric:tabular-nums}
.cover-figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,rgba(31,224,192,.14),rgba(179,107,255,.12))}
.cover-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cover-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--line);background:var(--surface)}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(31,224,192,.14),rgba(179,107,255,.10)),var(--surface);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,192,.22),transparent 65%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:rgba(31,224,192,.22)}
.faq-item.is-open{border-color:var(--line-strong);background:var(--surface-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;color:var(--text);font-size:17px;font-weight:700;
  padding:18px 20px;text-align:left;cursor:pointer;font-family:inherit;
  transition:color .2s ease;min-height:56px;
}
.faq-q:hover{color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--primary);
  display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .28s ease,background .28s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(31,224,192,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a-inner{
  padding:0 20px 20px 20px;margin:0 0 0 0;
  border-left:3px solid transparent;color:var(--text-2);font-size:15.5px;
  padding-left:18px;margin-left:20px;
  transition:border-color .28s ease;
}
.faq-item.is-open .faq-a-inner{border-left-color:var(--primary)}
.faq-a-inner p+p{margin-top:10px}

/* ---------- Back links ---------- */
.back-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-elev);border-top:1px solid var(--line);
  padding:64px 0 28px;margin-top:0;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-bottom:20px;max-width:360px}
.footer-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px 5px 5px 18px;max-width:340px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.16)}
.footer-search input{
  flex:1 1 auto;min-width:0;height:36px;border:0;background:transparent;
  color:var(--text);font-size:14px;font-family:inherit;outline:none;
}
.footer-search input::placeholder{color:var(--muted)}
.footer-search button{
  border:0;cursor:pointer;border-radius:var(--r-pill);padding:8px 16px;
  font-size:13.5px;font-weight:700;font-family:inherit;
  color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),var(--primary-2));
  transition:transform .18s ease;
}
.footer-search button:hover{transform:translateY(-1px)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-col address{font-size:14.5px;color:var(--muted);line-height:1.9}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta{
  display:none;position:fixed;left:16px;right:16px;bottom:14px;z-index:70;
  gap:10px;padding:10px;border-radius:var(--r-lg);
  background:rgba(16,21,20,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line-strong);box-shadow:var(--shadow-2);
}
.mobile-cta .btn{flex:1 1 0;min-height:44px;padding:0 14px;font-size:14.5px}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:52px 0 60px}
  .hero-panel{max-width:640px}
}
@media (max-width:1024px){
  .nav-search{max-width:420px}
  .nav-actions .btn-ghost{display:none}
  .bento{grid-template-columns:1fr}
  .b-stack{grid-template-columns:1fr 1fr}
  .check-wrap{grid-template-columns:1fr;gap:32px}
  .tl-card{grid-template-columns:minmax(0,1fr) 170px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-search{max-width:none}
  .header-inner{flex-wrap:wrap}
  .nav-search{order:3;flex-basis:100%;margin-top:4px}
  .nav-actions{margin-left:auto}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-cats{padding:0 16px 12px}
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
  .tl-item{grid-template-columns:46px minmax(0,1fr);gap:14px}
  .tl-num{width:42px;height:42px;font-size:15px}
  .tl-rail::before{top:46px;bottom:-20px}
  .tl-card{grid-template-columns:1fr;padding:20px}
  .tl-thumb{aspect-ratio:16/9;order:-1}
  .b-stack{grid-template-columns:1fr}
  .b-wide-row{grid-template-columns:1fr;gap:14px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .b-body{padding:18px 20px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-cta{display:flex}
  body{padding-bottom:88px}
  .stat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .cat-hero h1{font-size:clamp(28px,8vw,38px)}
  .stat-grid{grid-template-columns:1fr}
  .search-submit{padding:9px 14px}
  .search-suggest{display:none !important}
  .check-item{flex-wrap:wrap}
  .check-item .badge{margin-left:40px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
  --r-sm:8px;
  --r-md:12px;
  --r-card:18px;
  --r-lg:24px;
  --r-pill:999px;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 460px at 82% -6%, rgba(31,224,192,.10), transparent 62%),
    radial-gradient(700px 420px at 4% 12%, rgba(179,107,255,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease, border-color .2s ease;}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1360px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,13,12,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.is-compact{background:rgba(16,21,20,.96);}
.header-inner{
  display:flex;align-items:center;gap:18px;
  padding-top:14px;padding-bottom:14px;
  transition:padding .25s ease;
}
.site-header.is-compact .header-inner{padding-top:9px;padding-bottom:9px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;
  border-radius:var(--r-md);
  background:linear-gradient(145deg,rgba(31,224,192,.22),rgba(31,224,192,.04));
  border:1px solid var(--line-strong);
  color:var(--primary);
}
.logo-text{font-weight:800;font-size:17px;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--primary);}
.nav-search{
  position:relative;
  flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.16);}
.search-icon{display:inline-flex;color:var(--muted);flex:0 0 auto;}
.nav-search input[type="search"]{
  flex:1 1 auto;min-width:0;
  background:transparent;border:none;outline:none;
  padding:9px 10px;font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:var(--muted);}
.search-clear{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  color:var(--muted);font-size:18px;line-height:1;
  display:grid;place-items:center;transition:color .2s ease,background .2s ease;
}
.search-clear:hover{color:var(--text);background:var(--surface-2);}
.search-submit{
  flex:0 0 auto;
  padding:9px 20px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:14px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.search-submit:hover{box-shadow:0 0 0 3px rgba(31,224,192,.18);}
.search-suggest{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
  padding:14px 16px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav-search:focus-within .search-suggest{opacity:1;visibility:visible;transform:translateY(0);}
.suggest-title{display:block;font-size:12px;color:var(--muted);margin-bottom:8px;}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px;}
.suggest-terms button{
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--surface-2);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all .2s ease;
}
.suggest-terms button:hover{border-color:var(--line-strong);color:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);color:var(--text-2);
  place-items:center;transition:all .2s ease;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong);}
.nav-cats{
  display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  padding-top:0;padding-bottom:14px;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:0 0 auto;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14px;color:var(--text-2);
  transition:all .2s ease;
}
.cat-pill:hover{border-color:var(--line-strong);color:var(--primary);}
.cat-pill.is-active{
  background:rgba(31,224,192,.12);
  border-color:var(--line-strong);
  color:var(--primary);font-weight:700;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:var(--primary-ink);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(31,224,192,.18);color:var(--primary-ink);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border-color:var(--line-strong);color:var(--primary);background:rgba(31,224,192,.06);}
.btn-outline:hover{background:var(--surface-2);transform:translateY(-2px);}
.btn-ghost{color:var(--text-2);}
.btn-ghost:hover{color:var(--primary);}
.btn-ghost::after{content:"→";font-size:15px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(10,13,12,.72),rgba(10,13,12,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 78% 18%, rgba(31,224,192,.16), transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:56px 0 60px;display:grid;gap:34px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{opacity:.5;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(31,224,192,.10);border:1px solid var(--line-strong);
  color:var(--primary);font-size:13px;font-weight:700;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,6vw,54px);
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{color:var(--text-2);font-size:17px;max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags button{
  padding:7px 15px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all .2s ease;
}
.hero-tags button:hover{border-color:var(--line-strong);color:var(--primary);transform:translateY(-2px);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.status-panel{
  background:linear-gradient(160deg,var(--surface),rgba(20,27,25,.72));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-2);
}
.status-panel h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(31,224,192,.16);}
.status-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text-2);
}
.status-list li:last-child{border-bottom:none;}
.status-list b{color:var(--text);font-size:16px;}
.status-note{margin-top:14px;font-size:13px;color:var(--muted);}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section-sm{padding:52px 0;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head h2{font-size:clamp(24px,4vw,38px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.sec-label{
  display:inline-block;font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.02em;margin-bottom:10px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1.6;
}
.badge-live{background:rgba(56,217,150,.14);color:var(--success);}
.badge-soon{background:rgba(255,200,87,.14);color:var(--warning);}
.badge-end{background:rgba(255,92,119,.14);color:var(--danger);}
.badge-info{background:rgba(31,224,192,.12);color:var(--primary);}
.badge-purple{background:rgba(179,107,255,.14);color:var(--accent-2);}
.badge-date{background:rgba(255,255,255,.06);color:var(--text-2);}

/* ---------- Magazine grid ---------- */
.mag{display:grid;gap:20px;grid-template-columns:1fr;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(10,13,12,.72));
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;}
.card-body p{color:var(--text-2);font-size:14.5px;}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.card-lead .card-body h3{font-size:clamp(21px,2.4vw,27px);}
.card-lead .card-body{padding:24px 26px 28px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.link-more{font-size:14px;font-weight:700;color:var(--primary);}
.link-more::after{content:"→";margin-left:6px;transition:margin .2s ease;}
.card:hover .link-more::after{margin-left:10px;}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(31,224,192,.08));
}
.tl-item{position:relative;padding-left:48px;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:5px;top:6px;width:18px;height:18px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(31,224,192,.12);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 20px;transition:all .2s ease;
}
.tl-card:hover{border-color:var(--line-strong);transform:translateX(4px);}
.tl-date{font-size:13px;color:var(--primary);font-weight:700;margin-bottom:6px;display:block;}
.tl-card h3{font-size:17px;margin-bottom:6px;}
.tl-card p{font-size:14px;color:var(--text-2);}

/* ---------- Stat cards ---------- */
.stat-grid{display:grid;gap:18px;grid-template-columns:repeat(2,1fr);}
.stat{
  background:linear-gradient(150deg,var(--surface),rgba(28,36,34,.68));
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:all .2s ease;
}
.stat:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.stat-num{font-size:clamp(26px,4vw,36px);font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}
.stat-desc{font-size:13px;color:var(--muted);margin-top:8px;}

/* ---------- Notice list ---------- */
.notice-list{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);overflow:hidden;
}
.notice-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding:18px 22px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.notice-row:last-child{border-bottom:none;}
.notice-row:hover{background:var(--surface-2);}
.notice-title{flex:1 1 260px;font-weight:700;font-size:16px;color:var(--text);}
.notice-desc{flex:1 1 320px;font-size:14px;color:var(--text-2);}
.notice-row:hover .notice-title{color:var(--primary);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(31,224,192,.14),rgba(179,107,255,.10) 55%,rgba(255,122,69,.12));
  padding:44px 30px;
  display:grid;gap:22px;
}
.cta-band h2{font-size:clamp(23px,3.6vw,32px);}
.cta-band p{color:var(--text-2);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--primary);
  display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .25s ease,background .2s ease;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:rgba(31,224,192,.14);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  border-left:3px solid transparent;padding-left:0;
}
.faq-item.is-open .faq-a{max-height:420px;border-left-color:var(--primary);padding-left:16px;}
.faq-a p{color:var(--text-2);font-size:15px;padding-bottom:20px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:72px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,21,20,.6),rgba(10,13,12,.98));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
.footer-brand p{color:var(--text-2);font-size:14px;margin:16px 0 18px;max-width:420px;}
.footer-search{display:flex;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 16px;max-width:400px;}
.footer-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.14);}
.footer-search input{flex:1 1 auto;min-width:0;background:transparent;border:none;outline:none;padding:9px 0;font-size:14px;color:var(--text);}
.footer-search input::placeholder{color:var(--muted);}
.footer-search button{
  padding:9px 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:14px;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col address{font-style:normal;font-size:14px;color:var(--text-2);line-height:2;}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-search{max-width:none;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:900px){
  .nav-toggle{display:grid;}
  .nav-cats{display:none;}
  .nav-cats.is-open{display:flex;padding-bottom:14px;}
  .header-inner{flex-wrap:wrap;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;}
  .section{padding:56px 0;}
}
@media (min-width:768px){
  .mag{grid-template-columns:repeat(2,1fr);}
  .card-lead{grid-column:1 / -1;}
  .stat-grid{grid-template-columns:repeat(4,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .hero-inner{padding:64px 0 68px;}
  .cta-band{padding:52px 44px;}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.5fr 1fr;gap:48px;}
  .mag{grid-template-columns:repeat(4,1fr);grid-auto-rows:auto;}
  .card-lead{grid-column:span 2;grid-row:span 2;}
  .card-lead .card-media{aspect-ratio:16/11;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}
  .cta-band{grid-template-columns:1.6fr 1fr;align-items:center;}
  .cta-actions{justify-content:flex-end;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-text{font-size:15px;}
  .hero h1{font-size:clamp(28px,8vw,38px);}
  .hero-sub{font-size:15.5px;}
  .hero-tags{gap:8px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .card-body{padding:18px 18px 22px;}
  .section{padding:44px 0;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-card:18px;
  --r-lg:24px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:52px 52px;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit;font-size:16px}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1360px}}
main{position:relative;z-index:1}
.site-footer{position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(16,21,20,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(16,21,20,.98)}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:18px;white-space:nowrap}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);
  box-shadow:0 6px 18px rgba(31,224,192,.28);
  flex:0 0 auto;
}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-search{
  position:relative;
  display:flex;align-items:center;
  width:100%;max-width:560px;justify-self:center;
}
.nav-search .search-icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--muted);display:flex;pointer-events:none;transition:color .2s ease;
}
.nav-search:focus-within .search-icon{color:var(--primary)}
.nav-search input[type=search]{
  width:100%;
  height:48px;
  padding:0 132px 0 46px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
}
.nav-search input[type=search]::placeholder{color:var(--muted)}
.nav-search input[type=search]:focus{
  outline:none;
  border-color:var(--primary);
  background:var(--surface-2);
  box-shadow:0 0 0 3px rgba(31,224,192,.18);
}
.search-clear{
  position:absolute;right:96px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);
  background:transparent;color:var(--muted);
  font-size:15px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:color .2s ease,border-color .2s ease;
}
.search-clear:hover{color:var(--primary);border-color:var(--line-strong)}
.search-submit{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  height:38px;padding:0 20px;border:none;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:15px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.search-submit:hover{box-shadow:0 8px 22px rgba(31,224,192,.28)}
.search-submit:active{transform:translateY(-50%) scale(.97)}
.search-suggest{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px 18px;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  z-index:20;
}
.nav-search:focus-within .search-suggest{opacity:1;visibility:visible;transform:translateY(0)}
.suggest-title{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px}
.suggest-terms button{
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--text-2);
  border-radius:999px;
  padding:6px 14px;font-size:14px;
  transition:all .2s ease;
}
.suggest-terms button:hover{border-color:var(--line-strong);color:var(--primary);background:var(--surface-2)}
.nav-actions{display:flex;align-items:center;gap:10px;justify-self:end}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong)}
.nav-cats{
  display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  padding:0 24px 14px;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--text-2);
  font-size:14px;
  white-space:nowrap;
  transition:all .2s ease;
}
.cat-pill:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface-2)}
.cat-pill.is-active{
  background:linear-gradient(135deg,rgba(31,224,192,.16),rgba(31,224,192,.06));
  border-color:var(--line-strong);
  color:var(--primary);
  font-weight:600;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:14px;
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);
  border:none;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(31,224,192,.18);
  color:var(--primary-ink);
}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-outline{
  border-color:var(--line-strong);
  color:var(--text);
  background:transparent;
}
.btn-outline:hover{background:var(--surface-2);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{border:none;background:transparent;color:var(--text-2);padding:0 14px}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost::after{content:"→";margin-left:6px;transition:transform .2s ease;display:inline-block}
.btn-ghost:hover::after{transform:translateX(4px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(10,13,12,.80),rgba(10,13,12,.95)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(680px 340px at 78% 12%,rgba(31,224,192,.16),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:48px;
  align-items:center;
  padding:70px 0 60px;
}
.crumb{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:rgba(255,255,255,.22)}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--primary)}
.hero-lead{
  color:var(--text-2);
  font-size:17px;
  max-width:640px;
  margin-bottom:26px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-2);
}
.hero-panel h3{font-size:17px;margin-bottom:6px}
.hero-panel .panel-note{font-size:14px;color:var(--muted);margin-bottom:20px}
.level-row{margin-bottom:16px}
.level-row:last-of-type{margin-bottom:0}
.level-top{display:flex;justify-content:space-between;font-size:14px;color:var(--text-2);margin-bottom:8px}
.level-top b{color:var(--text);font-weight:600}
.bar{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.bar i.b2{background:linear-gradient(90deg,var(--accent),#ff9f6f)}
.bar i.b3{background:linear-gradient(90deg,var(--accent-2),#d0a4ff)}
.bar i.b4{background:linear-gradient(90deg,var(--danger),#ff92a4)}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:12px}
.section-head p{color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);
  border:1px solid var(--line-strong);
  background:rgba(31,224,192,.08);
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-primary{background:rgba(31,224,192,.12);color:var(--primary)}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent)}
.badge-purple{background:rgba(179,107,255,.12);color:var(--accent-2)}
.badge-success{background:rgba(56,217,150,.12);color:var(--success)}
.badge-warning{background:rgba(255,200,87,.12);color:var(--warning)}
.badge-danger{background:rgba(255,92,119,.12);color:var(--danger)}

/* ---------- Guide layout ---------- */
.guide-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.toc{
  position:sticky;
  top:120px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
}
.toc h3{font-size:15px;color:var(--muted);font-weight:600;margin-bottom:14px;letter-spacing:0}
.toc ol{counter-reset:toc;display:flex;flex-direction:column;gap:2px}
.toc li{counter-increment:toc}
.toc a{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 10px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  color:var(--muted);font-size:12.5px;font-weight:600;
  padding-top:2px;flex:0 0 auto;
}
.toc a:hover{background:var(--surface-2);color:var(--primary)}
.toc a:hover::before{color:var(--primary)}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.guide-list{display:flex;flex-direction:column;gap:20px}
.guide-card{
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.guide-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.guide-card figure{margin:0;overflow:hidden;background:var(--surface-2);aspect-ratio:16/10}
.guide-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.guide-card:hover figure img{transform:scale(1.04)}
.guide-body{padding:22px 24px;display:flex;flex-direction:column;gap:12px}
.guide-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.guide-meta time,.guide-meta .read{font-size:13px;color:var(--muted)}
.guide-body h3{font-size:20px}
.guide-body h3 a{color:var(--text)}
.guide-body h3 a:hover{color:var(--primary)}
.guide-body p{color:var(--text-2);font-size:15px}
.guide-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
}
.guide-foot .path{font-size:13.5px;color:var(--muted)}
.guide-foot .path b{color:var(--text-2);font-weight:600}

/* ---------- Level ladder ---------- */
.ladder{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--surface);
  overflow:hidden;
}
.ladder-item{
  display:grid;
  grid-template-columns:150px minmax(0,1fr) 190px;
  gap:24px;
  align-items:center;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.ladder-item:last-child{border-bottom:none}
.ladder-item:hover{background:var(--surface-2)}
.ladder-item h3{font-size:17px}
.ladder-item p{font-size:14.5px;color:var(--text-2)}
.ladder-scale{display:flex;gap:5px}
.ladder-scale i{
  display:block;height:8px;flex:1;border-radius:4px;background:var(--surface-2);
}
.ladder-scale i.on{background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.ladder-scale i.on.accent{background:linear-gradient(90deg,var(--accent),#ffa273)}
.ladder-scale i.on.purple{background:linear-gradient(90deg,var(--accent-2),#cfa6ff)}
.ladder-scale i.on.danger{background:linear-gradient(90deg,var(--danger),#ff96a7)}

/* ---------- Checklist block ---------- */
.check-grid{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:44px;
  align-items:center;
}
.check-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  position:relative;
}
.check-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;
  font-size:13.5px;color:var(--text-2);
  background:linear-gradient(180deg,transparent,rgba(10,13,12,.9));
}
.check-list{display:flex;flex-direction:column;gap:8px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.check-item:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateX(4px)}
.check-item .num{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,192,.12);color:var(--primary);
  font-weight:700;font-size:14px;
}
.check-item h3{font-size:16.5px;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--text-2)}

/* ---------- CTA band ---------- */
.cta-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 15% 50%,rgba(31,224,192,.16),transparent 70%),
    radial-gradient(520px 240px at 88% 30%,rgba(179,107,255,.14),transparent 70%),
    var(--bg-elev);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,3vw,32px);margin-bottom:10px}
.cta-inner p{color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 50px 20px 20px;
  font-size:17.5px;font-weight:600;color:var(--text);
  position:relative;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:transparent;transition:background .2s ease,box-shadow .2s ease;
}
.faq-item[open] summary::before{background:var(--primary);box-shadow:0 0 14px rgba(31,224,192,.55)}
.faq-item summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--primary);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-body{padding:0 50px 22px 20px;color:var(--text-2);font-size:15.5px}
.faq-body p+p{margin-top:10px}

/* ---------- Cross links ---------- */
.cross-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
}
.cross-card{
  display:block;
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--surface);
  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-1)}
.cross-card h3{font-size:17px;margin:12px 0 8px}
.cross-card p{font-size:14.5px;color:var(--text-2)}
.cross-card .go{display:inline-block;margin-top:14px;font-size:14px;color:var(--primary)}
.cross-card .go::after{content:"→";margin-left:6px;transition:transform .2s ease;display:inline-block}
.cross-card:hover .go::after{transform:translateX(4px)}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-elev);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-bottom:18px;max-width:340px}
.footer-search{display:flex;gap:8px;max-width:340px}
.footer-search input{
  flex:1;min-width:0;height:44px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-search input::placeholder{color:var(--muted)}
.footer-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.18)}
.footer-search button{
  height:44px;padding:0 18px;border:none;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:14px;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-col address{
  font-style:normal;font-size:14.5px;color:var(--muted);line-height:2;
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta{
  display:none;
  position:fixed;left:16px;right:16px;bottom:16px;z-index:50;
  gap:10px;
}
.mobile-cta .btn{flex:1}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .guide-layout{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;top:auto}
  .toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px;padding:56px 0 48px}
  .check-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .ladder-item{grid-template-columns:130px minmax(0,1fr);row-gap:14px}
  .ladder-scale{grid-column:1 / -1}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .header-inner{
    grid-template-columns:auto auto;
    grid-template-areas:"logo actions" "search search";
    row-gap:12px;
  }
  .logo{grid-area:logo}
  .nav-search{grid-area:search;max-width:none;justify-self:stretch}
  .nav-actions{grid-area:actions;justify-self:end}
  .nav-toggle{display:inline-flex}
  .nav-cats{
    max-height:0;overflow:hidden;opacity:0;
    transition:max-height .3s ease,opacity .25s ease,padding .3s ease;
    padding-top:0;padding-bottom:0;
  }
  .nav-cats.is-open{max-height:320px;opacity:1;padding-bottom:14px;overflow-y:auto}
  .nav-actions .btn-ghost{display:none}
  .guide-card{grid-template-columns:minmax(0,1fr)}
  .guide-card figure{aspect-ratio:16/9}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-cats{padding-left:16px;padding-right:16px}
  .nav-search input[type=search]{padding-right:120px;font-size:15px}
  .search-clear{right:92px}
  .toc ol{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:44px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .mobile-cta{display:flex}
  .site-footer{padding-bottom:96px}
  .guide-body{padding:20px}
}
@media (max-width:520px){
  .hero h1{font-size:clamp(26px,7.6vw,34px)}
  .hero-lead{font-size:15.5px}
  .logo-text{font-size:16px}
  .logo-mark{width:32px;height:32px}
  .nav-search input[type=search]{height:44px;padding-right:104px}
  .search-submit{height:34px;padding:0 14px;font-size:14px}
  .search-clear{right:82px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .hero-inner{padding:44px 0 40px}
  .faq-item summary{font-size:16px;padding-right:44px}
  .faq-body{padding-right:20px}
}

/* roulang page: category4 */
/* ============ 设计令牌 ============ */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-card:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
  --c-max:1200px;
  --c-wide:1360px;
  --gap:24px;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  background-image:
    linear-gradient(rgba(31,224,192,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,224,192,.035) 1px,transparent 1px);
  background-size:48px 48px;
  background-position:center top;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.3;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(31,224,192,.28);}
/* ============ 容器 ============ */
.container{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:var(--c-wide);}}
@media (max-width:640px){.container{padding:0 16px;}}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,12,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:var(--bg-elev);box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;padding-top:10px;padding-bottom:10px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .header-inner{min-height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.logo-mark{
  display:grid;place-items:center;width:36px;height:36px;border-radius:12px;
  background:linear-gradient(145deg,rgba(31,224,192,.20),rgba(179,107,255,.14));
  border:1px solid var(--line-strong);color:var(--primary);
}
.logo-text{font-size:18px;font-weight:800;color:var(--text);white-space:nowrap;letter-spacing:-.01em;}
.logo-text em{font-style:normal;color:var(--primary);}
.nav-search{
  position:relative;flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.18);}
.search-icon{color:var(--muted);display:grid;place-items:center;flex:0 0 auto;}
.nav-search input[type="search"]{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  padding:8px 2px;font-size:15px;color:var(--text);
}
.nav-search input[type="search"]::placeholder{color:var(--muted);}
.search-clear{
  width:26px;height:26px;border-radius:50%;color:var(--muted);
  font-size:18px;line-height:1;display:grid;place-items:center;flex:0 0 auto;
}
.search-clear:hover{color:var(--text);background:var(--surface-2);}
.search-submit{
  flex:0 0 auto;padding:9px 20px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:14px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.search-submit:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(31,224,192,.22);}
.search-submit:active{transform:translateY(0);}
.search-suggest{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 16px;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav-search:focus-within .search-suggest{opacity:1;visibility:visible;transform:translateY(0);}
.suggest-title{display:block;font-size:12px;color:var(--muted);margin-bottom:8px;}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px;}
.suggest-terms button{
  padding:5px 12px;border-radius:var(--r-pill);font-size:13px;color:var(--text-2);
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.suggest-terms button:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface-2);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);color:var(--text-2);place-items:center;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong);}
.nav-cats{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:0 24px 14px;
}
.cat-pill{
  padding:7px 16px;border-radius:var(--r-pill);font-size:14px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  white-space:nowrap;transition:all .2s ease;
}
.cat-pill:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface);}
.cat-pill.is-active{
  color:var(--primary-ink);font-weight:700;
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  border-color:transparent;
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:14px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:all .2s ease;min-height:44px;
}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:var(--primary-ink);}
.btn-primary:hover{color:var(--primary-ink);transform:translateY(-2px);box-shadow:0 12px 32px rgba(31,224,192,.18);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{border-color:var(--line-strong);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--surface-2);color:var(--primary);transform:translateY(-2px);}
.btn-ghost{border-color:var(--line);color:var(--text-2);background:transparent;}
.btn-ghost:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1.7;white-space:nowrap;
}
.badge-primary{background:rgba(31,224,192,.12);color:var(--primary);}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent);}
.badge-purple{background:rgba(179,107,255,.14);color:var(--accent-2);}
.badge-success{background:rgba(56,217,150,.12);color:var(--success);}
.badge-warn{background:rgba(255,200,87,.12);color:var(--warning);}
.badge-danger{background:rgba(255,92,119,.12);color:var(--danger);}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-2);}
/* ============ 分类 Hero ============ */
.hero-cat{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(10,13,12,.86),rgba(10,13,12,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 380px at 12% 0%,rgba(31,224,192,.16),transparent 62%),
             radial-gradient(620px 340px at 92% 18%,rgba(255,122,69,.12),transparent 64%);
  pointer-events:none;
}
.hero-cat-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.45fr .9fr;gap:44px;align-items:center;
  padding-top:60px;padding-bottom:64px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:rgba(255,255,255,.22);}
.hero-cat h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;letter-spacing:-.01em;
  margin:14px 0 0;
}
.hero-cat h1 em{font-style:normal;color:var(--primary);}
.hero-lead{color:var(--text-2);font-size:17px;margin-top:18px;max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-points li{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
/* 进度环面板 */
.hero-panel{
  background:linear-gradient(160deg,var(--surface),#111716);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-2);
}
.panel-title{font-size:14px;color:var(--muted);}
.ring-wrap{display:flex;align-items:center;gap:22px;margin:18px 0 8px;}
.ring{width:124px;height:124px;flex:0 0 auto;}
.ring-track{fill:none;stroke:rgba(255,255,255,.08);stroke-width:10;}
.ring-bar{
  fill:none;stroke:url(#ringGrad);stroke-width:10;stroke-linecap:round;
  stroke-dasharray:326.7;
  stroke-dashoffset:calc(326.7 - 326.7 * var(--pct) / 100);
  transform:rotate(-90deg);transform-origin:50% 50%;
  transition:stroke-dashoffset .8s ease;
}
.ring-num{font-size:34px;font-weight:800;color:var(--primary);line-height:1;}
.ring-num small{font-size:14px;color:var(--muted);font-weight:600;margin-left:4px;}
.ring-desc{color:var(--text-2);font-size:14px;margin-top:8px;}
.panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.panel-stats div{text-align:center;}
.panel-stats b{display:block;font-size:20px;color:var(--text);}
.panel-stats span{font-size:12px;color:var(--muted);}
/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--primary);letter-spacing:.02em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.01em;}
.section-head p{color:var(--text-2);margin-top:14px;}
.section-alt{background:var(--bg-elev);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
/* ============ Bento 奖励板 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.reward-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.reward-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-1);}
.reward-card .thumb{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(140deg,#182220,#101615);
}
.reward-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.reward-card:hover .thumb img{transform:scale(1.04);}
.reward-name{font-size:18px;font-weight:700;}
.reward-desc{color:var(--text-2);font-size:14px;}
.reward-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.reward-meta span{font-size:12px;color:var(--muted);}
.b-8{grid-column:span 8;}
.b-4{grid-column:span 4;}
.b-6{grid-column:span 6;}
.b-5{grid-column:span 5;}
.b-7{grid-column:span 7;}
.b-12{grid-column:span 12;}
.reward-hero{flex-direction:row;align-items:center;gap:26px;}
.reward-hero .thumb{flex:0 0 46%;aspect-ratio:4/3;margin:0;}
.reward-hero-body{display:flex;flex-direction:column;gap:12px;}
.rarity-row{display:flex;flex-wrap:wrap;gap:10px;}
.rarity{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--r-pill);
}
.rarity i{width:7px;height:7px;border-radius:50%;display:block;}
.rarity-1{background:rgba(255,255,255,.06);color:var(--text-2);}
.rarity-1 i{background:var(--text-2);}
.rarity-2{background:rgba(31,224,192,.12);color:var(--primary);}
.rarity-2 i{background:var(--primary);}
.rarity-3{background:rgba(179,107,255,.14);color:var(--accent-2);}
.rarity-3 i{background:var(--accent-2);}
.rarity-4{background:rgba(255,122,69,.14);color:var(--accent);}
.rarity-4 i{background:var(--accent);}
/* ============ 任务板 ============ */
.task-board{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.task-board-head{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  padding:20px 24px;border-bottom:1px solid var(--line);background:var(--surface-2);
}
.tabs{display:flex;gap:8px;flex-wrap:wrap;}
.tab{
  padding:9px 20px;border-radius:var(--r-pill);font-size:14px;font-weight:700;
  color:var(--text-2);border:1px solid var(--line);background:transparent;
  transition:all .2s ease;min-height:40px;
}
.tab:hover{color:var(--primary);border-color:var(--line-strong);}
.tab.is-active{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:var(--primary-ink);border-color:transparent;}
.task-refresh{font-size:13px;color:var(--muted);}
.task-row{
  display:grid;grid-template-columns:1.7fr 1.1fr 1.3fr .9fr;
  gap:16px;align-items:center;
  padding:18px 24px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.task-row:last-child{border-bottom:0;}
.task-row:hover{background:var(--surface-2);}
.task-row .t-name{font-weight:700;font-size:15px;}
.task-row .t-name small{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:2px;}
.task-row .t-cond{font-size:13px;color:var(--text-2);}
.progress{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden;}
.progress i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--primary-2));}
.progress.accent i{background:linear-gradient(90deg,var(--accent),var(--warning));}
.progress.purple i{background:linear-gradient(90deg,var(--accent-2),#7A5CFF);}
.progress-label{font-size:12px;color:var(--muted);margin-top:6px;display:block;}
.task-status{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;}
.task-panel{display:none;}
.task-panel.is-active{display:block;}
.task-foot{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:18px 24px;background:var(--surface-2);border-top:1px solid var(--line);
}
.task-foot p{font-size:13px;color:var(--muted);}
/* ============ 获取路径 ============ */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.path-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;position:relative;
  transition:border-color .22s ease,transform .22s ease;
}
.path-card:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.path-num{
  font-size:13px;font-weight:800;color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;
  background:rgba(31,224,192,.10);border:1px solid var(--line-strong);
  margin-bottom:16px;
}
.path-card h3{font-size:19px;margin-bottom:10px;}
.path-card p{color:var(--text-2);font-size:14px;}
.path-card .badge{margin-top:16px;}
/* ============ 说明数据块 ============ */
.note-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;
}
.note-card h3{font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.note-card h3::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--primary);}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--text-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list li b{color:var(--text);font-weight:700;flex:0 0 auto;}
.check-list li em{font-style:normal;color:var(--primary);font-weight:700;}
/* ============ CTA 色带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:48px 40px;
  background:linear-gradient(120deg,rgba(31,224,192,.14),rgba(255,122,69,.10) 60%,rgba(179,107,255,.12));
  border:1px solid var(--line-strong);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,192,.20),transparent 68%);
}
.cta-band-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;}
.cta-band p{color:var(--text-2);margin-top:12px;max-width:620px;}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ============ FAQ ============ */
.faq{max-width:940px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 18px 22px 20px;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
  border-left:3px solid transparent;
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--surface-2);}
.faq-item.is-open .faq-q{border-left-color:var(--primary);color:var(--primary);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:16px;line-height:1;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary);border-color:var(--line-strong);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 22px;color:var(--text-2);font-size:15px;}
/* ============ 返回与分类链接 ============ */
.back-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.cat-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cat-link{
  display:flex;flex-direction:column;gap:6px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:all .22s ease;
}
.cat-link:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateY(-4px);color:var(--text);}
.cat-link b{font-size:16px;color:var(--text);}
.cat-link span{font-size:13px;color:var(--muted);}
/* ============ 页脚 ============ */
.site-footer{background:var(--bg-elev);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:360px;}
.footer-search{display:flex;gap:8px;margin-top:18px;max-width:340px;}
.footer-search input{
  flex:1 1 auto;min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:10px 16px;font-size:14px;outline:none;color:var(--text);
}
.footer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.16);}
.footer-search button{
  padding:10px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:700;
  background:var(--surface-2);color:var(--primary);border:1px solid var(--line-strong);
}
.footer-search button:hover{background:rgba(31,224,192,.12);}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-col address{font-style:normal;font-size:14px;color:var(--muted);line-height:2;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary);}
/* ============ 状态样式 ============ */
.state-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:32px;text-align:center;
  color:var(--muted);font-size:14px;background:rgba(255,255,255,.02);
}
/* ============ 响应式 ============ */
@media (min-width:1280px){
  .hero-cat-inner{gap:56px;}
}
@media (max-width:1024px){
  .header-inner{flex-wrap:wrap;gap:14px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;}
  .nav-actions{margin-left:auto;}
  .hero-cat-inner{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:52px;}
  .b-8,.b-7,.b-5,.b-4,.b-6{grid-column:span 12;}
  .reward-hero{flex-direction:column;align-items:flex-start;}
  .reward-hero .thumb{flex:1 1 auto;width:100%;aspect-ratio:16/9;}
  .path-grid{grid-template-columns:1fr;}
  .note-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-links{grid-template-columns:repeat(2,1fr);}
  .task-row{grid-template-columns:1.4fr 1fr;grid-template-areas:"name status" "cond progress";row-gap:12px;}
  .task-row .t-name{grid-area:name;}
  .task-row .t-cond{grid-area:cond;}
  .task-row .t-prog{grid-area:progress;}
  .task-status{grid-area:status;justify-content:flex-end;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .nav-toggle{display:grid;}
  .nav-cats{
    display:none;flex-direction:column;align-items:stretch;
    padding:8px 16px 18px;gap:8px;
    border-top:1px solid var(--line);
  }
  .nav-cats.is-open{display:flex;}
  .cat-pill{text-align:center;}
  .nav-actions .btn-ghost{display:none;}
  .hero-cat h1{font-size:clamp(30px,8vw,40px);}
  .task-board-head{padding:16px;}
  .task-row{padding:16px;grid-template-columns:1fr;grid-template-areas:"name" "cond" "progress" "status";}
  .task-status{justify-content:flex-start;}
  .cta-band{padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .search-submit{padding:9px 14px;}
  .nav-search{padding-left:12px;}
  .cat-links{grid-template-columns:1fr;}
  .panel-stats{grid-template-columns:repeat(3,1fr);}
  .ring{width:104px;height:104px;}
  .faq-q{font-size:16px;padding:18px 12px 18px 14px;}
}
@media (max-width:520px){
  .hero-points li{font-size:12px;}
  .btn{width:100%;}
  .hero-cta .btn,.cta-band-actions .btn{width:100%;}
}

/* roulang page: category5 */
:root{
  --bg:#0A0D0C;
  --bg-elev:#101514;
  --surface:#141B19;
  --surface-2:#1C2422;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(31,224,192,.35);
  --text:#F2F7F5;
  --text-2:#C0CCC8;
  --muted:#8A9995;
  --primary:#1FE0C0;
  --primary-2:#0FBFA3;
  --primary-ink:#03110E;
  --accent:#FF7A45;
  --accent-2:#B36BFF;
  --success:#38D996;
  --warning:#FFC857;
  --danger:#FF5C77;
  --radius-s:8px;
  --radius-m:12px;
  --radius-card:18px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 48px rgba(0,0,0,.45);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px,56px 56px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text-2);text-decoration:none;transition:color .22s ease,border-color .22s ease;}
a:hover{color:var(--primary);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(31,224,192,.3);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1360px;}}

/* ============== 导航 ============== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,13,12,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-compact{background:var(--bg-elev);box-shadow:var(--shadow-1);}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(280px,1fr) auto;
  align-items:center;
  gap:var(--sp-24);
  min-height:76px;
  padding-top:10px;
  padding-bottom:10px;
}
.site-header.is-compact .header-inner{min-height:62px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  color:var(--primary-ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(31,224,192,.28);
}
.logo-text em{font-style:normal;color:var(--primary);}
.logo:hover{color:var(--text);}

.nav-search{
  position:relative;
  display:flex;align-items:center;
  width:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:6px 6px 6px 42px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,192,.18);background:var(--bg-elev);}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);display:flex;}
.nav-search input[type="search"]{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  padding:8px 8px;font-size:15px;color:var(--text);
}
.nav-search input[type="search"]::placeholder{color:var(--muted);}
.nav-search input[type="search"]::-webkit-search-cancel-button{display:none;}
.search-clear{
  border:0;background:transparent;color:var(--muted);cursor:pointer;
  font-size:20px;line-height:1;padding:0 8px;border-radius:50%;display:none;
}
.nav-search.has-value .search-clear{display:block;}
.search-clear:hover{color:var(--accent);}
.search-submit{
  border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:14px;
  padding:9px 20px;border-radius:var(--radius-pill);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.search-submit:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,224,192,.24);}
.search-submit:active{transform:translateY(1px);}
.search-suggest{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  padding:14px 16px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.nav-search:focus-within .search-suggest{opacity:1;visibility:visible;transform:translateY(0);}
.suggest-title{display:block;font-size:12px;color:var(--muted);margin-bottom:8px;}
.suggest-terms{display:flex;flex-wrap:wrap;gap:8px;}
.suggest-terms button{
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  font-size:13px;padding:5px 12px;border-radius:var(--radius-pill);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.suggest-terms button:hover{border-color:var(--line-strong);color:var(--primary);background:var(--surface-2);}

.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:14px;border:1px solid transparent;
  padding:11px 22px;font-size:15px;font-weight:700;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:var(--primary-ink);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(31,224,192,.18);color:var(--primary-ink);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border-color:var(--line-strong);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--surface-2);color:var(--primary);}
.btn-ghost{background:transparent;color:var(--text-2);border-color:var(--line);}
.btn-ghost:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong);}

.nav-cats{
  display:flex;gap:10px;align-items:center;
  padding-top:0;padding-bottom:14px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 92%,transparent 100%);
  mask-image:linear-gradient(90deg,#000 0,#000 92%,transparent 100%);
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:0 0 auto;
  font-size:14px;padding:7px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  transition:all .2s ease;
}
.cat-pill:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface-2);}
.cat-pill.is-active{
  background:rgba(31,224,192,.12);border-color:var(--line-strong);
  color:var(--primary);font-weight:700;
}

/* ============== 通用板块 ============== */
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{margin-bottom:var(--sp-32);max-width:760px;}
.section-head h2{font-size:clamp(26px,4vw,40px);}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--primary);
  background:rgba(31,224,192,.10);border:1px solid var(--line-strong);
  padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:16px;font-weight:700;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;
  padding:4px 11px;border-radius:var(--radius-pill);
}
.badge-primary{background:rgba(31,224,192,.12);color:var(--primary);}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent);}
.badge-purple{background:rgba(179,107,255,.14);color:var(--accent-2);}
.badge-success{background:rgba(56,217,150,.12);color:var(--success);}
.badge-warning{background:rgba(255,200,87,.13);color:var(--warning);}
.badge-danger{background:rgba(255,92,119,.13);color:var(--danger);}

.breadcrumb{font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#4A5754;}

/* ============== 内页 Hero ============== */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(120deg,rgba(10,13,12,.94) 0%,rgba(10,13,12,.78) 52%,rgba(10,13,12,.95) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -10% -60% 40%;
  height:340px;background:radial-gradient(circle,rgba(31,224,192,.20),transparent 65%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:var(--sp-48);align-items:center;}
.page-hero h1{font-size:clamp(30px,5vw,52px);margin:14px 0 16px;}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.page-hero .lead{color:var(--text-2);font-size:16.5px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;}
.hero-stat strong{display:block;font-size:24px;color:var(--primary);font-weight:800;}
.hero-stat span{font-size:13px;color:var(--muted);}

.hero-card{
  background:linear-gradient(160deg,var(--surface),var(--bg-elev));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-card-body{padding:22px 24px 26px;}
.hero-card-body h3{font-size:17px;margin-bottom:10px;}
.hero-card-body p{color:var(--text-2);font-size:14.5px;}
.hero-card-list{margin-top:16px;display:grid;gap:10px;}
.hero-card-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:9px;flex:0 0 auto;}

/* ============== 搜索回声 ============== */
.echo-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  background:var(--surface);border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  padding:14px 20px;margin-top:-28px;position:relative;z-index:5;
  box-shadow:var(--shadow-1);
}
.echo-bar[hidden]{display:none;}
.echo-label{font-size:13px;color:var(--muted);}
.echo-bar strong{color:var(--primary);font-size:15px;}
.echo-clear{
  margin-left:auto;border:1px solid var(--line);background:var(--bg-elev);
  color:var(--text-2);font-size:13px;padding:5px 14px;border-radius:var(--radius-pill);cursor:pointer;
}
.echo-clear:hover{color:var(--primary);border-color:var(--line-strong);}

/* ============== 快速定位卡 ============== */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.quick-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1);}
.quick-card .icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(31,224,192,.12);color:var(--primary);margin-bottom:16px;
}
.quick-card h3{font-size:17px;margin-bottom:8px;}
.quick-card p{font-size:14px;color:var(--text-2);}
.quick-card a.more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;color:var(--primary);font-weight:700;}

/* ============== FAQ 主体 ============== */
.faq-layout{display:grid;grid-template-columns:264px 1fr;gap:var(--sp-48);align-items:start;}
.faq-nav{
  position:sticky;top:118px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
}
.faq-nav h3{font-size:15px;margin-bottom:14px;color:var(--text);}
.faq-nav ul{display:grid;gap:4px;}
.faq-nav a{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;
}
.faq-nav a:hover{background:var(--surface-2);color:var(--primary);border-left-color:var(--primary);}
.faq-nav .count{font-size:12px;color:var(--muted);}
.faq-nav .help-tip{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

.faq-group{margin-bottom:var(--sp-48);}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.faq-group-head h2{font-size:22px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:14px;
  overflow:hidden;
  transition:border-color .24s ease,background .24s ease;
}
.faq-item:hover{background:var(--surface-2);}
.faq-item.is-open{border-left-color:var(--primary);border-color:var(--line-strong);background:var(--surface-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:18px 22px;font-size:16.5px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--primary);
  font-size:16px;line-height:1;
  transition:transform .3s ease,background .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(31,224,192,.14);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .34s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-content{padding:0 22px 20px 22px;color:var(--text-2);font-size:15px;}
.faq-a-content p+p{margin-top:12px;}
.faq-a-content ol{margin-top:12px;display:grid;gap:8px;counter-reset:step;}
.faq-a-content ol li{
  position:relative;padding-left:30px;counter-increment:step;font-size:14.5px;
}
.faq-a-content ol li::before{
  content:counter(step);
  position:absolute;left:0;top:1px;
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  background:rgba(31,224,192,.12);color:var(--primary);font-size:12px;font-weight:700;
}
.faq-a-content .note{
  margin-top:14px;padding:12px 16px;border-radius:12px;
  background:rgba(255,200,87,.08);border:1px solid rgba(255,200,87,.22);
  color:#EBD9A8;font-size:13.5px;
}

/* ============== 反馈表单 ============== */
.feedback-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-48);
  background:linear-gradient(150deg,var(--surface),var(--bg-elev));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:44px;
}
.feedback-intro h2{font-size:clamp(24px,3.4vw,32px);margin-bottom:14px;}
.feedback-intro p{color:var(--text-2);font-size:15px;}
.feedback-meta{margin-top:24px;display:grid;gap:14px;}
.feedback-meta div{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);}
.feedback-meta strong{color:var(--text);font-weight:700;}

.form-grid{display:grid;gap:16px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;color:var(--text-2);}
.field input,.field select,.field textarea{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:12px 14px;font-size:14.5px;color:var(--text);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  width:100%;
}
.field textarea{min-height:118px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,192,.18);
  background:var(--bg-elev);
}
.field .hint{font-size:12.5px;color:var(--muted);}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field .err{font-size:12.5px;color:var(--danger);display:none;}
.field.has-error .err{display:block;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px;}
.form-note{font-size:12.5px;color:var(--muted);}
.form-toast{
  display:none;align-items:center;gap:10px;
  background:rgba(56,217,150,.12);border:1px solid rgba(56,217,150,.3);
  color:var(--success);border-radius:12px;padding:12px 16px;font-size:14px;
}
.form-toast.is-visible{display:flex;}

/* ============== CTA 色带 ============== */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(100deg,rgba(10,13,12,.95) 0%,rgba(10,13,12,.72) 55%,rgba(10,13,12,.95) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:64px 0;
}
.cta-band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{font-size:clamp(24px,3.6vw,34px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============== 页脚 ============== */
.site-footer{
  background:var(--bg-elev);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-48);}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:380px;}
.footer-search{
  display:flex;gap:8px;margin-top:18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:5px 5px 5px 18px;
  max-width:360px;
}
.footer-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--text);
}
.footer-search input::placeholder{color:var(--muted);}
.footer-search button{
  border:0;cursor:pointer;border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:700;font-size:13.5px;padding:8px 16px;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-col address{font-style:normal;font-size:14px;color:var(--text-2);line-height:1.9;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--muted);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--primary);}

/* ============== 移动端底部 CTA ============== */
.mobile-cta{
  display:none;
  position:fixed;left:16px;right:16px;bottom:16px;z-index:110;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-ink);font-weight:800;
  text-align:center;padding:14px;border-radius:var(--radius-pill);
  box-shadow:0 12px 32px rgba(31,224,192,.28);
}

/* ============== 响应式 ============== */
@media (max-width:1024px){
  .header-inner{grid-template-columns:auto 1fr auto;gap:16px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;}
  .faq-nav{position:static;}
  .feedback-wrap{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{grid-template-columns:auto 1fr;min-height:auto;padding-top:12px;padding-bottom:12px;}
  .nav-search{grid-column:1 / -1;order:3;margin-top:4px;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cats{padding-bottom:12px;}
  .section{padding:48px 0;}
  .section-tight{padding:36px 0;}
  .page-hero{padding:40px 0 48px;}
  .quick-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .feedback-wrap{padding:24px;}
  .cta-band{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta{display:block;}
}
@media (max-width:520px){
  .hero-stats{gap:20px;}
  .faq-q{font-size:15.5px;padding:16px 16px;}
  .faq-a-content{padding:0 16px 18px 16px;}
  .echo-bar{margin-top:-18px;padding:12px 16px;}
}