/* roulang page: index */
:root{
  --bg-900:#0A1614;
  --bg-800:#10201E;
  --bg-700:#16302C;
  --cyan:#14E3C0;
  --cyan-dark:#0FB79B;
  --cyan-soft:rgba(20,227,192,.12);
  --orange:#FF7A3D;
  --purple:#8B6CFF;
  --text:#E8F6F3;
  --text-2:#9AB4B0;
  --text-3:#6E8683;
  --line:rgba(20,227,192,.16);
  --line-strong:rgba(20,227,192,.45);
  --grad:linear-gradient(120deg,#14E3C0 0%,#8B6CFF 52%,#FF7A3D 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow:0 12px 30px rgba(0,0,0,.38);
  --shadow-hover:0 18px 40px rgba(20,227,192,.18);
  --gap-section:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1.02rem;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--text);background:var(--bg-800);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;width:100%;transition:border-color .2s ease,box-shadow .2s ease;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(20,227,192,.14);}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:.96rem;font-weight:600;
  letter-spacing:.02em;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#06110F;box-shadow:0 10px 26px rgba(20,227,192,.22);}
.btn-primary:hover{color:#06110F;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(20,227,192,.3);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(20,227,192,.18);}
.btn-ghost{background:rgba(20,227,192,.06);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{color:var(--cyan);border-color:var(--line-strong);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 20px;font-size:.88rem;}
.btn-lg{padding:15px 34px;font-size:1.02rem;}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,22,20,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(20,227,192,.6),rgba(139,108,255,.25),rgba(10,22,20,0)) 1;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#06110F;font-weight:800;font-size:1.02rem;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:1rem;color:var(--text);}
.brand-text em{font-style:normal;font-size:.68rem;font-weight:500;color:var(--text-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:10px;font-size:.94rem;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--cyan-soft);color:var(--cyan);}
.nav-link .nav-dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);opacity:0;transition:opacity .2s ease;}
.nav-link.is-active{color:var(--cyan);}
.nav-link.is-active .nav-dot{opacity:1;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);box-shadow:0 0 10px rgba(20,227,192,.7);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(20,227,192,.05);position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .25s ease,opacity .25s ease,top .25s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.04);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 520px at 78% 18%,rgba(139,108,255,.20),transparent 62%),
    radial-gradient(700px 460px at 12% 88%,rgba(20,227,192,.20),transparent 66%),
    linear-gradient(140deg,rgba(10,22,20,.92) 0%,rgba(10,22,20,.78) 46%,rgba(16,32,30,.88) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(20,227,192,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,227,192,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 92%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:clamp(64px,9vw,112px) 32px clamp(64px,9vw,104px);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:.78rem;font-weight:500;letter-spacing:.02em;
  color:var(--cyan);background:rgba(20,227,192,.10);border:1px solid var(--line);
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.hero h1{
  margin:22px 0 18px;
  font-size:clamp(2.1rem,5vw,3.25rem);
  line-height:1.2;font-weight:700;letter-spacing:.01em;
}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{color:var(--text-2);font-size:1.06rem;max-width:34em;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-xl);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-xl);
  background:linear-gradient(200deg,rgba(20,227,192,.42),rgba(139,108,255,.30) 55%,rgba(10,22,20,.55));
  pointer-events:none;
}
.hero-badges{
  position:absolute;right:-18px;bottom:-24px;z-index:2;
  display:flex;gap:10px;flex-wrap:wrap;
}
.badge-stat{
  display:flex;flex-direction:column;gap:2px;min-width:104px;
  padding:12px 18px;border-radius:18px;
  background:rgba(16,32,30,.92);border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.badge-stat b{font-size:1.25rem;font-weight:700;line-height:1.2;color:var(--cyan);font-variant-numeric:tabular-nums;}
.badge-stat span{font-size:.78rem;font-weight:500;letter-spacing:.02em;color:var(--text-2);}
.badge-stat.is-orange b{color:var(--orange);}
.badge-stat.is-purple b{color:var(--purple);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gap-section) 0;position:relative;}
.section.is-panel{background:linear-gradient(180deg,rgba(16,32,30,.65),rgba(10,22,20,0));}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:.78rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--grad);}
.section-title{font-size:clamp(1.6rem,3vw,2.1rem);}
.section-sub{margin-top:14px;color:var(--text-2);font-size:1rem;}

/* ---------- 玩法介绍 ---------- */
.play-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;padding-bottom:34px;}
.play-card{
  position:relative;padding:28px;border-radius:var(--radius-lg);
  background:var(--bg-800);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.play-card:nth-child(even){transform:translateY(34px);}
.play-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.play-card:nth-child(even):hover{transform:translateY(30px);}
.play-num{
  position:absolute;top:22px;right:24px;
  font-size:.78rem;font-weight:500;letter-spacing:.14em;color:var(--text-3);
  border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
.play-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--cyan-soft);border:1px solid var(--line);color:var(--cyan);font-size:1.2rem;font-weight:700;
  margin-bottom:20px;
}
.play-card h3{font-size:1.1rem;font-weight:600;margin-bottom:10px;}
.play-card p{color:var(--text-2);font-size:.96rem;}
.play-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:.9rem;font-weight:600;color:var(--cyan);
}
.play-link::after{content:"→";transition:transform .2s ease;}
.play-link:hover{text-decoration:underline;text-underline-offset:4px;}
.play-link:hover::after{transform:translateX(4px);}

/* ---------- 奖励卡带 ---------- */
.rail-wrap{position:relative;margin:0 -32px;padding:0 32px;}
.rail{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
}
.reward-card{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-800);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.reward-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.reward-card:hover .reward-thumb img{transform:scale(1.05);}
.rarity{
  position:absolute;top:12px;right:12px;
  padding:4px 12px;border-radius:999px;font-size:.78rem;font-weight:500;letter-spacing:.02em;
  background:rgba(10,22,20,.82);border:1px solid var(--line);color:var(--cyan);backdrop-filter:blur(6px);
}
.rarity.is-orange{color:var(--orange);border-color:rgba(255,122,61,.4);}
.rarity.is-purple{color:var(--purple);border-color:rgba(139,108,255,.42);}
.reward-body{padding:20px 22px 24px;}
.reward-name{font-size:1.1rem;font-weight:600;}
.reward-val{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  padding:5px 14px;border-radius:999px;font-size:.78rem;font-weight:500;letter-spacing:.02em;
  background:var(--cyan-soft);color:var(--cyan);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.reward-desc{margin-top:12px;color:var(--text-2);font-size:.92rem;}

/* ---------- 任务进度 ---------- */
.progress-panel{
  padding:28px;border-radius:var(--radius-xl);background:var(--bg-800);
  border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:28px;
}
.progress-top{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:18px;}
.progress-top h3{font-size:1.1rem;font-weight:600;}
.progress-top span{color:var(--text-2);font-size:.9rem;}
.progress-track{
  position:relative;height:8px;border-radius:999px;background:rgba(20,227,192,.10);overflow:hidden;
}
.progress-fill{
  height:100%;border-radius:999px;background:var(--grad);box-shadow:0 0 18px rgba(20,227,192,.5);
}
.progress-ticks{display:flex;justify-content:space-between;margin-top:14px;gap:10px;}
.progress-ticks span{
  flex:1;text-align:center;font-size:.78rem;color:var(--text-3);letter-spacing:.02em;
}
.pct-badge{
  display:inline-flex;align-items:baseline;gap:4px;padding:6px 16px;border-radius:999px;
  background:rgba(139,108,255,.14);border:1px solid rgba(139,108,255,.38);color:var(--purple);
  font-weight:700;font-size:1.05rem;font-variant-numeric:tabular-nums;
}
.pct-badge em{font-style:normal;font-size:.78rem;font-weight:500;color:var(--text-2);}
.task-list{display:flex;flex-direction:column;gap:12px;}
.task-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;border-radius:var(--radius-md);background:var(--bg-800);
  border:1px solid var(--line);transition:transform .2s ease,border-color .2s ease;
}
.task-item:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.task-name{font-size:.98rem;font-weight:500;}
.task-name small{display:block;color:var(--text-3);font-size:.8rem;font-weight:400;margin-top:2px;}
.status{
  flex:0 0 auto;padding:5px 14px;border-radius:999px;font-size:.78rem;font-weight:500;letter-spacing:.02em;
  border:1px solid transparent;
}
.status.done{color:var(--cyan);background:rgba(20,227,192,.12);border-color:var(--line);}
.status.doing{color:var(--orange);background:rgba(255,122,61,.12);border-color:rgba(255,122,61,.36);}
.status.lock{color:var(--text-3);background:rgba(110,134,131,.10);border-color:rgba(110,134,131,.28);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--bg-800);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-700);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.78rem;font-weight:500;letter-spacing:.02em;color:var(--text-3);margin-bottom:12px;
}
.news-meta .chip{
  padding:3px 10px;border-radius:999px;background:var(--cyan-soft);color:var(--cyan);border:1px solid var(--line);
}
.news-title{font-size:1.2rem;font-weight:600;line-height:1.5;}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-excerpt{
  margin-top:10px;color:var(--text-2);font-size:.94rem;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:600;color:var(--cyan);
}
.news-more::after{content:"→";transition:transform .2s ease;}
.news-card:hover .news-more::after{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;border-radius:var(--radius-lg);
  background:rgba(16,32,30,.6);border:1px dashed var(--line);color:var(--text-2);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;
  background:rgba(20,227,192,.08);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:1.3rem;
}
.skeleton{background:rgba(20,227,192,.08);border-radius:var(--radius-md);animation:breathe 1.4s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:.55;}50%{opacity:1;}}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:100px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-md);background:var(--bg-800);border:1px solid var(--line);
  padding:0 24px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:1rem;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--cyan-soft);border:1px solid var(--line);color:var(--cyan);
  font-weight:600;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{color:var(--text-2);font-size:.95rem;line-height:1.85;padding:0 0 22px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad);color:#06110F;border-radius:var(--radius-xl);
  padding:clamp(30px,5vw,48px) clamp(24px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 50px rgba(20,227,192,.16);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,1.9rem);color:#06110F;}
.cta-band p{margin-top:10px;font-size:.98rem;color:rgba(6,17,15,.78);max-width:44em;}
.cta-band .btn{background:#0A1614;color:var(--text);}
.cta-band .btn:hover{background:#0f2320;color:var(--cyan);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;background:#071010;border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(20,227,192,.55),rgba(139,108,255,.24),rgba(7,16,16,0)) 1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{color:var(--text-2);font-size:.92rem;max-width:30em;}
.footer-title{font-size:.9rem;font-weight:600;margin-bottom:18px;color:var(--text);letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{font-size:.9rem;color:var(--text-2);}
.footer-links a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.82rem;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{gap:44px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .rail-wrap{margin:0 -24px;padding:0 24px;}
  .nav-toggle{display:block;}
  .nav-actions .btn{display:none;}
  .main-nav{
    position:fixed;top:68px;left:0;right:0;bottom:0;z-index:55;
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 24px 32px;background:rgba(7,16,16,.98);
    transform:translateY(-12px);opacity:0;pointer-events:none;overflow-y:auto;
    transition:opacity .22s ease,transform .22s ease;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-link{padding:18px 4px;font-size:1.05rem;border-bottom:1px solid rgba(20,227,192,.14);border-radius:0;}
  .nav-link.is-active::after{display:none;}
  .hero-inner{grid-template-columns:1fr;padding-top:56px;padding-bottom:72px;}
  .hero-visual{margin-top:12px;}
  .hero-badges{position:static;margin-top:20px;right:auto;bottom:auto;}
  .play-grid{grid-template-columns:1fr;padding-bottom:0;}
  .play-card:nth-child(even),.play-card:nth-child(even):hover{transform:none;}
  .rail{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
}
@media (max-width:767px){
  body{font-size:.99rem;}
  .container{padding:0 20px;}
  .rail-wrap{margin:0 -20px;padding:0 20px;}
  .brand-text{font-size:.94rem;}
  .brand-text em{display:none;}
  .hero-inner{padding:48px 20px 64px;}
  .hero h1{font-size:clamp(1.9rem,7vw,2.4rem);}
  .hero-sub{font-size:1rem;}
  .hero-btns .btn{flex:1 1 auto;}
  .hero-visual img{border-radius:var(--radius-lg);}
  .play-card{border-radius:18px;padding:24px;}
  .rail{grid-template-columns:repeat(4,minmax(74%,1fr));gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:thin;}
  .reward-card{scroll-snap-align:start;border-radius:18px;}
  .news-grid{grid-template-columns:1fr;}
  .section{padding:clamp(48px,10vw,72px) 0;}
  .section-head{margin-bottom:30px;}
  .progress-panel{border-radius:var(--radius-lg);padding:22px;}
  .task-item{padding:16px 18px;}
  .faq-item{padding:0 18px;border-radius:18px;}
  .cta-band{border-radius:var(--radius-lg);}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:420px){
  .hero-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .badge-stat{min-width:0;padding:11px 14px;}
  .hero-btns{flex-direction:column;}
  .hero-btns .btn{width:100%;}
  .progress-ticks span:nth-child(even){display:none;}
}

/* roulang page: category1 */
:root{
  --bg-900:#0A1614;
  --panel-800:#10201E;
  --panel-700:#16302C;
  --brand:#14E3C0;
  --brand-deep:#0FB79B;
  --brand-soft:rgba(20,227,192,.12);
  --accent:#FF7A3D;
  --violet:#8B6CFF;
  --text:#E8F6F3;
  --text-2:#9AB4B0;
  --text-3:#6E8683;
  --line:rgba(20,227,192,.16);
  --line-strong:rgba(20,227,192,.45);
  --grad:linear-gradient(120deg,#14E3C0 0%,#8B6CFF 52%,#FF7A3D 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:14px;
  --radius-img:16px;
  --shadow:0 12px 30px rgba(0,0,0,.38);
  --shadow-hover:0 0 0 1px var(--line-strong),0 18px 40px rgba(20,227,192,.18);
  --space:clamp(56px,8vw,104px);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans 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;
  font-family:var(--font-cn);
  font-size:1.02rem;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-900);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 12% -6%,rgba(20,227,192,.18),transparent 62%),
    radial-gradient(680px 480px at 96% 6%,rgba(139,108,255,.16),transparent 64%),
    radial-gradient(620px 420px at 50% 108%,rgba(255,122,61,.10),transparent 66%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:.95rem;font-weight:600;
  letter-spacing:.02em;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease;
  min-height:44px;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#06201B;box-shadow:0 10px 26px rgba(20,227,192,.22)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(20,227,192,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(20,227,192,.2)}
.btn-ghost{background:rgba(20,227,192,.06);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);background:var(--brand-soft);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:.88rem;min-height:44px}
.btn:disabled{opacity:.45;filter:saturate(.4);cursor:not-allowed;transform:none}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,22,20,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(20,227,192,0),rgba(20,227,192,.7) 22%,rgba(139,108,255,.6) 62%,rgba(255,122,61,0));
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);color:#06201B;font-weight:800;font-size:1.02rem;
  box-shadow:0 6px 18px rgba(20,227,192,.3);flex-shrink:0;
}
.brand-text{font-size:1.02rem;font-weight:700;letter-spacing:.01em;line-height:1.15;display:flex;flex-direction:column}
.brand-text em{
  font-style:normal;font-size:.68rem;font-weight:500;letter-spacing:.14em;
  color:var(--text-3);margin-top:2px;
}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:10px;font-size:.94rem;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--text)}
.nav-dot{
  width:5px;height:5px;border-radius:50%;background:var(--brand);
  opacity:0;box-shadow:0 0 8px var(--brand);transition:opacity .2s ease;
}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active .nav-dot{opacity:1}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);box-shadow:0 0 10px var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:rgba(20,227,192,.06);transition:border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .25s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--line-strong)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 分类页 KV ============ */
.cat-kv{
  position:relative;min-height:40vh;display:flex;align-items:center;
  padding:64px 0 56px;overflow:hidden;
}
.cat-kv-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.04);
}
.cat-kv::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(10,22,20,.94) 0%,rgba(10,22,20,.72) 46%,rgba(10,22,20,.5) 100%),
    linear-gradient(140deg,rgba(20,227,192,.34),rgba(139,108,255,.3) 58%,rgba(255,122,61,.22));
}
.cat-kv::after{
  content:"";position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(20,227,192,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(20,227,192,.07) 1px,transparent 1px);
  background-size:52px 52px;
}
.cat-kv-inner{position:relative;z-index:2}
.breadcrumb{margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--text-3)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .2s ease,text-decoration-color .2s ease}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.kv-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  font-size:.78rem;font-weight:500;letter-spacing:.02em;color:var(--brand);
  background:var(--brand-soft);border:1px solid var(--line);margin-bottom:18px;
}
.kv-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand)}
.cat-kv h1{
  font-size:clamp(2.1rem,5vw,3.25rem);font-weight:700;line-height:1.2;
  letter-spacing:-.01em;max-width:20ch;
}
.cat-kv h1 span{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.kv-sub{margin-top:18px;font-size:1.05rem;color:var(--text-2);max-width:56ch}
.kv-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge-stat{
  display:inline-flex;align-items:baseline;gap:8px;padding:9px 18px;border-radius:999px;
  background:rgba(16,32,30,.86);border:1px solid var(--line);box-shadow:var(--shadow);
}
.badge-stat b{font-size:1.22rem;font-weight:700;color:var(--brand);line-height:1}
.badge-stat span{font-size:.78rem;font-weight:500;letter-spacing:.02em;color:var(--text-2)}
.badge-stat.is-accent b{color:var(--accent)}
.badge-stat.is-violet b{color:var(--violet)}

/* ============ 板块通用 ============ */
.section{padding:var(--space) 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700;line-height:1.28;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:1rem}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:500;letter-spacing:.16em;
  color:var(--brand);margin-bottom:14px;text-transform:uppercase;
}

/* ============ 分类页双栏布局 ============ */
.cat-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:52px;align-items:start}
.toc{position:sticky;top:96px}
.toc-title{
  font-size:.78rem;letter-spacing:.14em;color:var(--text-3);margin-bottom:14px;
  padding-left:12px;
}
.toc-list{display:flex;flex-direction:column;gap:6px}
.toc-link{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;
  font-size:.92rem;color:var(--text-2);border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.toc-link i{
  width:22px;height:22px;border-radius:8px;display:grid;place-items:center;
  font-size:.72rem;font-style:normal;font-weight:700;
  background:rgba(20,227,192,.1);color:var(--brand);flex-shrink:0;
}
.toc-link:hover{background:var(--brand-soft);color:var(--text);transform:translateX(3px)}
.toc-link.is-current{background:rgba(20,227,192,.1);border-color:var(--line-strong);color:var(--brand)}
.toc-link.is-current i{background:var(--grad);color:#06201B}
.toc-note{
  margin-top:22px;padding:18px;border-radius:var(--radius-lg);
  background:var(--panel-800);border:1px solid var(--line);font-size:.85rem;color:var(--text-2);
}
.toc-note strong{display:block;color:var(--text);font-size:.92rem;margin-bottom:6px}

.feature-stack{display:flex;flex-direction:column;gap:28px}
.feature{
  display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center;
  padding:28px;border-radius:var(--radius-xl);background:var(--panel-800);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.feature-media{position:relative;border-radius:var(--radius-img);overflow:hidden}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img)}
.feature-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);
  background:linear-gradient(150deg,rgba(20,227,192,.24),rgba(139,108,255,.18) 60%,rgba(255,122,61,.16));
}
.feature.is-reverse .feature-media{order:-1}
.step-no{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.02em;
  color:var(--accent);font-weight:600;margin-bottom:12px;
}
.step-no b{
  display:grid;place-items:center;width:26px;height:26px;border-radius:999px;
  background:rgba(255,122,61,.14);color:var(--accent);font-size:.8rem;
}
.feature h3{font-size:1.25rem;font-weight:600;line-height:1.4;margin-bottom:12px}
.feature p{color:var(--text-2);font-size:.98rem;margin-bottom:16px}
.point-list{display:flex;flex-direction:column;gap:10px}
.point-list li{position:relative;padding-left:20px;font-size:.92rem;color:var(--text-2)}
.point-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 8px rgba(20,227,192,.5);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:.92rem;font-weight:600;color:var(--brand);
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:12px;text-decoration:underline;text-underline-offset:4px}

/* ============ 要点卡 2 列 ============ */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.info-card{
  padding:26px;border-radius:var(--radius-lg);background:var(--panel-800);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(20,227,192,.12);color:var(--brand);font-size:1.1rem;font-weight:700;margin-bottom:16px;
}
.info-card h3{font-size:1.1rem;font-weight:600;margin-bottom:10px}
.info-card p{font-size:.94rem;color:var(--text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  padding:5px 12px;border-radius:999px;font-size:.78rem;letter-spacing:.02em;
  color:var(--text-2);background:rgba(20,227,192,.08);border:1px solid var(--line);
}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  border-radius:var(--radius-lg);background:var(--panel-800);border:1px solid var(--line);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 12px 30px rgba(20,227,192,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:1rem;font-weight:600;color:var(--text);
  min-height:44px;
}
.faq-icon{
  position:relative;width:22px;height:22px;flex-shrink:0;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:50%;height:2px;transform:translateY(-50%)}
.faq-icon::after{top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 24px 22px;font-size:.95rem;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(120deg,rgba(20,227,192,.2),rgba(139,108,255,.22) 55%,rgba(255,122,61,.2)),var(--panel-700);
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,1.85rem);font-weight:700;line-height:1.3;max-width:26ch}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:.96rem;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#071010;padding:64px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(20,227,192,0),rgba(20,227,192,.7) 30%,rgba(139,108,255,.5) 70%,rgba(20,227,192,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:1rem;font-weight:700}
.footer-desc{font-size:.9rem;color:var(--text-2);max-width:34ch}
.footer-title{font-size:.92rem;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:.9rem;color:var(--text-2)}
.footer-links a{transition:color .2s ease,transform .2s ease;width:fit-content}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(20,227,192,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.82rem;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .cat-layout{grid-template-columns:200px minmax(0,1fr);gap:36px}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:68px;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;padding:18px 24px 32px;
    background:rgba(7,16,16,.98);backdrop-filter:blur(14px);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:transform .25s ease,opacity .25s ease,visibility .25s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:none;opacity:1;visibility:visible}
  .main-nav .nav-link{
    width:100%;padding:18px 6px;font-size:1.04rem;border-radius:0;
    border-bottom:1px solid rgba(20,227,192,.14);
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{border-bottom-color:var(--line-strong)}
  .nav-toggle{display:flex}
  .cat-layout{grid-template-columns:1fr;gap:28px}
  .toc{
    position:static;padding:14px;border-radius:var(--radius-lg);
    background:var(--panel-800);border:1px solid var(--line);
  }
  .toc-title{display:none}
  .toc-list{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:4px;scrollbar-width:thin}
  .toc-link{white-space:nowrap;border:1px solid var(--line);background:rgba(20,227,192,.05)}
  .toc-link:hover{transform:none}
  .toc-note{margin-top:14px}
  .feature{grid-template-columns:1fr;gap:24px}
  .feature.is-reverse .feature-media{order:0}
  .card-grid-2{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .cta-actions{width:100%}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-text{font-size:.94rem}
  .brand-text em{display:none}
  .nav-actions .btn{display:none}
  .cat-kv{min-height:auto;padding:44px 0 40px}
  .cat-kv h1{font-size:clamp(1.9rem,7.6vw,2.4rem)}
  .feature{padding:20px;border-radius:20px}
  .info-card{border-radius:18px;padding:22px}
  .cta-band{border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .kv-stats{gap:10px}
  .badge-stat{flex:1 1 calc(50% - 10px);justify-content:center}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .toc-link i{display:none}
}

/* roulang page: article */
:root{
  --bg-900:#0A1614;
  --bg-800:#10201E;
  --bg-700:#16302C;
  --primary:#14E3C0;
  --primary-dark:#0FB79B;
  --primary-soft:rgba(20,227,192,.12);
  --accent:#FF7A3D;
  --violet:#8B6CFF;
  --text:#E8F6F3;
  --text-2:#9AB4B0;
  --text-3:#6E8683;
  --line:rgba(20,227,192,.16);
  --line-strong:rgba(20,227,192,.45);
  --grad:linear-gradient(120deg,#14E3C0,#8B6CFF,#FF7A3D);
  --r-card:24px;
  --r-xl:28px;
  --r-img:16px;
  --shadow:0 12px 30px rgba(0,0,0,.38);
  --shadow-hover:0 0 0 1px var(--line-strong),0 18px 40px rgba(20,227,192,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:1.02rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(20,227,192,.16),transparent 68%),
    radial-gradient(720px 460px at 90% 4%,rgba(139,108,255,.14),transparent 70%),
    radial-gradient(560px 380px at 60% 100%,rgba(255,122,61,.08),transparent 72%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
/* ============ 阅读进度 ============ */
.read-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  background:transparent;
  z-index:90;
  pointer-events:none;
}
.read-progress span{
  display:block;
  height:100%;
  width:0;
  background:var(--grad);
  box-shadow:0 0 12px rgba(20,227,192,.7);
  transition:width .12s linear;
}
/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,22,20,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 1px 0 rgba(20,227,192,.1);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,192,.7),transparent);
  pointer-events:none;
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--grad);
  color:#06201C;
  font-weight:800;
  font-size:1.05rem;
  display:grid;
  place-items:center;
  box-shadow:0 0 18px rgba(20,227,192,.35);
  flex-shrink:0;
}
.brand-text{
  display:flex;
  flex-direction:column;
  font-weight:700;
  font-size:1rem;
  line-height:1.22;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-text em{
  font-style:normal;
  font-size:.68rem;
  font-weight:500;
  color:var(--text-3);
  letter-spacing:.08em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 15px;
  border-radius:999px;
  font-size:.94rem;
  color:var(--text-2);
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-link:hover{
  color:var(--text);
  background:var(--primary-soft);
}
.nav-dot{
  display:none;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px var(--primary);
}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active .nav-dot{display:block;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .2s,background .2s;
}
.nav-toggle:hover{border-color:var(--line-strong);background:var(--primary-soft);}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .25s,opacity .25s;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  font-size:.94rem;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,filter .2s,background .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#06201C;
  box-shadow:0 8px 22px rgba(20,227,192,.22);
}
.btn-primary:hover{
  color:#06201C;
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 12px 28px rgba(20,227,192,.3);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 4px 12px rgba(20,227,192,.2);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  color:var(--primary);
  border-color:var(--line-strong);
  background:var(--primary-soft);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 19px;font-size:.86rem;}
/* ============ 面包屑 ============ */
.breadcrumb{
  padding-top:26px;
  font-size:.82rem;
  color:var(--text-3);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-width:0;
}
.breadcrumb li+li::before{
  content:"/";
  color:var(--text-3);
  opacity:.55;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current]{
  color:var(--primary);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
/* ============ 文章头部 ============ */
.article-shell{padding-top:22px;}
.article-head{max-width:900px;}
.article-tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.02em;
  border:1px solid rgba(20,227,192,.3);
  background:var(--primary-soft);
  color:var(--primary);
}
.chip-violet{
  color:var(--violet);
  border-color:rgba(139,108,255,.32);
  background:rgba(139,108,255,.12);
}
.chip-orange{
  color:var(--accent);
  border-color:rgba(255,122,61,.32);
  background:rgba(255,122,61,.12);
}
.article-title{
  font-size:clamp(1.75rem,3.8vw,2.6rem);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  margin-bottom:24px;
  background:linear-gradient(120deg,#E8F6F3 40%,rgba(20,227,192,.9));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.meta-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  background:var(--bg-800);
  border:1px solid var(--line);
  font-size:.8rem;
  color:var(--text-2);
  letter-spacing:.02em;
}
.meta-badge i{color:var(--primary);font-size:.78rem;}
.meta-badge strong{
  color:var(--text);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
/* ============ 封面 ============ */
.article-cover{
  margin:36px 0 0;
  max-width:1000px;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  position:relative;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
}
.article-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,22,20,0) 52%,rgba(10,22,20,.72));
  pointer-events:none;
}
.article-cover figcaption{
  position:absolute;
  left:24px;bottom:18px;
  z-index:2;
  font-size:.8rem;
  color:rgba(232,246,243,.86);
  letter-spacing:.03em;
}
/* ============ 正文 ============ */
.article-body{
  max-width:800px;
  margin:0 auto;
  padding:clamp(40px,6vw,68px) 0 0;
}
.article-body p{
  margin:0 0 1.25em;
  color:#D3E6E3;
  font-size:1.02rem;
  line-height:1.92;
}
.article-body h2{
  position:relative;
  font-size:clamp(1.38rem,2.6vw,1.78rem);
  font-weight:700;
  line-height:1.42;
  margin:2.1em 0 .85em;
  padding-left:17px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  bottom:.24em;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 14px rgba(20,227,192,.6);
}
.article-body h3{
  font-size:1.25rem;
  font-weight:700;
  line-height:1.5;
  margin:1.7em 0 .6em;
  color:var(--text);
}
.article-body h4{
  font-size:1.06rem;
  font-weight:600;
  margin:1.4em 0 .5em;
  color:var(--text-2);
}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body strong{color:var(--text);font-weight:700;}
.article-body blockquote{
  margin:1.7em 0;
  padding:20px 24px;
  border-left:3px solid var(--accent);
  background:rgba(20,227,192,.06);
  border-radius:0 14px 14px 0;
  color:var(--text-2);
  font-size:.98rem;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,
.article-body ol{
  margin:0 0 1.3em;
  padding-left:1.4em;
}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{
  margin:.45em 0;
  color:#D3E6E3;
  line-height:1.85;
}
.article-body li::marker{color:var(--primary);}
.article-body img{
  border-radius:var(--r-img);
  margin:1.7em auto;
  box-shadow:var(--shadow);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.7em 0;
  font-size:.92rem;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.article-body th{
  background:var(--bg-700);
  color:var(--text);
  font-weight:600;
  text-align:left;
  font-size:.88rem;
  letter-spacing:.02em;
}
.article-body th,
.article-body td{
  padding:13px 16px;
  border-bottom:1px solid var(--line);
  border-right:1px solid rgba(20,227,192,.08);
}
.article-body th:last-child,
.article-body td:last-child{border-right:none;}
.article-body tr:last-child td{border-bottom:none;}
.article-body td{color:#C9DEDB;}
.article-body hr{
  border:none;
  height:1px;
  margin:2.4em 0;
  background:linear-gradient(90deg,transparent,rgba(20,227,192,.45),transparent);
}
/* ============ 标签 ============ */
.article-tags{
  max-width:800px;
  margin:0 auto;
  padding:clamp(36px,5vw,56px) 0 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  border-top:1px solid var(--line);
}
.article-tags .tag-label{
  font-size:.82rem;
  color:var(--text-3);
  letter-spacing:.06em;
  margin-right:4px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  font-size:.8rem;
  color:var(--text-2);
  background:var(--bg-800);
  border:1px solid var(--line);
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.tag:hover{
  color:var(--primary);
  border-color:var(--line-strong);
  background:var(--primary-soft);
  transform:translateY(-2px);
}
/* ============ 空状态 ============ */
.empty-state{
  max-width:620px;
  margin:0 auto;
  padding:clamp(44px,6vw,72px) 28px;
  text-align:center;
  background:var(--bg-800);
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
}
.empty-state i{
  font-size:2rem;
  color:var(--text-3);
  margin-bottom:16px;
  display:block;
}
.empty-state p{
  color:var(--text-2);
  font-size:1rem;
  margin-bottom:22px;
}
/* ============ 相关推荐 ============ */
.related{
  padding:clamp(52px,7vw,86px) 0 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.section-title{
  font-size:clamp(1.4rem,3vw,1.9rem);
  font-weight:700;
  letter-spacing:-.01em;
}
.section-sub{
  margin-top:8px;
  font-size:.92rem;
  color:var(--text-2);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:.9rem;
  font-weight:600;
  color:var(--primary);
}
.text-link:hover{color:var(--primary-dark);}
.text-link i{transition:transform .2s;}
.text-link:hover i{transform:translateX(4px);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.card-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-700);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .45s ease;
}
.card:hover .card-media img{transform:scale(1.05);}
.card-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 22px 24px;
  flex:1;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:.78rem;
  color:var(--text-3);
  letter-spacing:.02em;
}
.card-meta .card-cat{color:var(--primary);}
.card-title{
  font-size:1.1rem;
  font-weight:600;
  line-height:1.52;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-desc{
  font-size:.9rem;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-link{
  margin-top:auto;
  padding-top:6px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:.86rem;
  font-weight:600;
  color:var(--primary);
}
.card-link i{transition:transform .2s;}
.card:hover .card-link i{transform:translateX(4px);}
/* ============ 返回入口 ============ */
.back-cta{
  margin-top:clamp(52px,7vw,84px);
  border-radius:var(--r-xl);
  padding:clamp(28px,4vw,46px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  background:
    linear-gradient(120deg,rgba(20,227,192,.14),rgba(139,108,255,.12) 55%,rgba(255,122,61,.1));
  border:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.back-cta::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 220px at 90% 120%,rgba(20,227,192,.18),transparent 70%);
  pointer-events:none;
}
.back-cta-text{position:relative;z-index:1;}
.back-cta-text h2{
  font-size:clamp(1.3rem,2.8vw,1.75rem);
  font-weight:700;
  margin-bottom:10px;
}
.back-cta-text p{
  color:var(--text-2);
  font-size:.95rem;
}
.back-cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:1;
}
/* ============ 页脚 ============ */
.site-footer{
  margin-top:clamp(64px,9vw,110px);
  background:#071010;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,192,.7),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:clamp(48px,6vw,72px) 0 0;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{font-size:1rem;}
.footer-desc{
  font-size:.88rem;
  color:var(--text-3);
  line-height:1.85;
  max-width:320px;
}
.footer-title{
  font-size:.92rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a,
.footer-links span{
  font-size:.86rem;
  color:var(--text-3);
  transition:color .2s,transform .2s;
}
.footer-links a:hover{
  color:var(--primary);
  transform:translateX(3px);
}
.footer-bottom{
  margin-top:clamp(36px,5vw,54px);
  padding:20px 0 28px;
  border-top:1px solid rgba(20,227,192,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:.78rem;
  color:var(--text-3);
  letter-spacing:.02em;
}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .card-grid{gap:20px;}
}
@media (max-width:1023px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:34px;
  }
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .main-nav{
    position:fixed;
    left:0;right:0;
    top:68px;
    bottom:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px 20px 80px;
    background:rgba(7,16,16,.985);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    overflow-y:auto;
    transform:translateY(-14px);
    opacity:0;
    visibility:hidden;
    transition:transform .25s ease,opacity .25s ease,visibility .25s;
  }
  .main-nav.is-open{
    transform:none;
    opacity:1;
    visibility:visible;
  }
  .nav-link{
    padding:17px 10px;
    border-radius:10px;
    border-bottom:1px solid rgba(20,227,192,.14);
    font-size:1rem;
    justify-content:flex-start;
  }
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--primary-soft);}
  .breadcrumb{padding-top:20px;}
  .article-title{font-size:clamp(1.55rem,5vw,2.05rem);}
}
@media (max-width:767px){
  body{font-size:1rem;}
  .container{padding:0 20px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:.95rem;}
  .brand-text{font-size:.92rem;}
  .brand-text em{display:none;}
  .article-cover{border-radius:20px;}
  .article-cover figcaption{left:16px;bottom:12px;font-size:.74rem;}
  .article-body p{font-size:1rem;}
  .article-body table{font-size:.84rem;}
  .article-body th,
  .article-body td{padding:10px 12px;}
  .card-grid{grid-template-columns:1fr;}
  .card{border-radius:20px;}
  .back-cta{border-radius:22px;}
  .back-cta-actions{width:100%;}
  .back-cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:420px){
  .article-meta{gap:9px;}
  .meta-badge{padding:6px 12px;font-size:.75rem;}
  .article-tags{gap:8px;}
  .btn{width:100%;}
  .back-cta-actions{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --bg-900:#0A1614;
  --panel-800:#10201E;
  --panel-700:#16302C;
  --main:#14E3C0;
  --main-deep:#0FB79B;
  --main-soft:rgba(20,227,192,.12);
  --accent:#FF7A3D;
  --violet:#8B6CFF;
  --text:#E8F6F3;
  --text-2:#9AB4B0;
  --text-3:#6E8683;
  --line:rgba(20,227,192,.16);
  --line-strong:rgba(20,227,192,.45);
  --grad:linear-gradient(120deg,#14E3C0 0%,#8B6CFF 52%,#FF7A3D 100%);
  --r-lg:24px;
  --r-xl:28px;
  --r-img:16px;
  --r-sm:14px;
  --shadow:0 12px 30px rgba(0,0,0,.38);
  --shadow-hover:0 0 0 1px var(--line-strong),0 18px 40px rgba(20,227,192,.18);
  --section-gap:clamp(56px,8vw,104px);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text);
  font-family:var(--font);
  font-size:1.02rem;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(720px 460px at 12% 4%,rgba(20,227,192,.18),transparent 62%),
    radial-gradient(760px 520px at 88% 18%,rgba(139,108,255,.16),transparent 66%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--main);}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
h1{font-size:clamp(2.1rem,5vw,3.25rem);font-weight:700;}
h2{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700;}
h3{font-size:1.25rem;font-weight:650;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,22,20,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(20,227,192,.5),transparent) 1;
}
.nav-wrap{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#06120F;
  font-weight:800;
  font-size:1.05rem;
  box-shadow:0 8px 22px rgba(20,227,192,.28);
}
.brand-text{display:flex;flex-direction:column;font-weight:700;font-size:1rem;line-height:1.25;}
.brand-text em{font-style:normal;font-size:.72rem;font-weight:500;letter-spacing:.08em;color:var(--text-3);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 14px;
  border-radius:999px;
  font-size:.94rem;
  font-weight:600;
  color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(20,227,192,.12);color:var(--text);}
.nav-dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--main);
  box-shadow:0 0 10px rgba(20,227,192,.9);
  opacity:0;
  transition:opacity .2s ease;
}
.nav-link.is-active{color:var(--main);}
.nav-link.is-active .nav-dot{opacity:1;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--main);
  box-shadow:0 0 12px rgba(20,227,192,.85);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--panel-800);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:.96rem;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#06120F;box-shadow:0 12px 30px rgba(20,227,192,.22);}
.btn-primary:hover{transform:translateY(-2px);color:#06120F;filter:brightness(1.06);box-shadow:0 16px 34px rgba(20,227,192,.3);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(20,227,192,.2);}
.btn-ghost{background:rgba(20,227,192,.08);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--main);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:.88rem;}

/* ===== 内页 KV ===== */
.page-kv{
  position:relative;
  min-height:40vh;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-kv::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(10,22,20,.94) 8%,rgba(20,227,192,.3) 48%,rgba(139,108,255,.38) 78%,rgba(255,122,61,.3) 100%);
}
.page-kv::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(232,246,243,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(232,246,243,.05) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.kv-inner{padding:clamp(48px,7vw,80px) 0;position:relative;z-index:2;}
.kv-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(20,227,192,.14);
  color:var(--main);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.02em;
}
.kv-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--main);box-shadow:0 0 10px var(--main);}
.page-kv h1{margin:20px 0 14px;max-width:820px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.kv-sub{max-width:620px;color:var(--text-2);font-size:1.05rem;}
.kv-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ===== 通用板块 ===== */
.section{padding:var(--section-gap) 0;}
.section-alt{background:linear-gradient(180deg,rgba(16,32,30,.9),rgba(10,22,20,.9));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px);}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);}
.eyebrow{
  display:inline-block;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--main);
  margin-bottom:10px;
}

/* ===== 筛选 chips ===== */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  padding:16px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel-800);
  box-shadow:var(--shadow);
}
.chip{
  padding:9px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(20,227,192,.06);
  color:var(--text-2);
  font-size:.86rem;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{color:var(--text);border-color:var(--line-strong);background:rgba(20,227,192,.12);transform:translateY(-2px);}
.chip.is-active{background:var(--grad);border-color:transparent;color:#06120F;}
.filter-note{margin-left:auto;font-size:.82rem;color:var(--text-3);}

/* ===== 奖励网格 ===== */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  margin-top:32px;
}
.reward-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel-800);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.reward-card:active{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.32);}
.reward-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-700);}
.reward-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.reward-card:hover .reward-media img{transform:scale(1.04);}
.rarity{
  position:absolute;
  top:12px;right:12px;
  padding:5px 12px;
  border-radius:999px;
  font-size:.74rem;
  font-weight:700;
  letter-spacing:.02em;
  backdrop-filter:blur(6px);
}
.rarity-normal{background:rgba(20,227,192,.2);color:var(--main);border:1px solid rgba(20,227,192,.5);}
.rarity-rare{background:rgba(255,122,61,.2);color:#FFB287;border:1px solid rgba(255,122,61,.5);}
.rarity-epic{background:rgba(139,108,255,.22);color:#BDAFFF;border:1px solid rgba(139,108,255,.55);}
.rarity-legend{background:var(--grad);color:#06120F;border:1px solid transparent;}
.reward-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward-src{font-size:.76rem;letter-spacing:.06em;color:var(--text-3);font-weight:600;}
.reward-body h3{font-size:1.08rem;font-weight:650;}
.reward-desc{color:var(--text-2);font-size:.9rem;line-height:1.7;}
.reward-value{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.value-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(20,227,192,.12);
  border:1px solid var(--line);
  color:var(--main);
  font-size:.84rem;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.value-badge.orange{background:rgba(255,122,61,.14);border-color:rgba(255,122,61,.4);color:#FFB287;}
.value-badge.violet{background:rgba(139,108,255,.16);border-color:rgba(139,108,255,.4);color:#BDAFFF;}

/* ===== 数据说明卡 ===== */
.stats-card{
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  background:linear-gradient(140deg,rgba(22,48,44,.95),rgba(16,32,30,.95));
  padding:clamp(26px,4vw,44px);
  box-shadow:var(--shadow);
}
.stats-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-bottom:28px;
}
.stat-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  background:rgba(10,22,20,.6);
  text-align:center;
}
.stat-num{
  display:block;
  font-size:clamp(1.8rem,4vw,2.4rem);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.1;
}
.stat-label{display:block;margin-top:8px;font-size:.82rem;color:var(--text-2);letter-spacing:.02em;}
.stats-text{display:grid;grid-template-columns:1fr 1fr;gap:22px;color:var(--text-2);font-size:.95rem;}
.stats-text strong{color:var(--text);font-weight:650;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel-800);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 12px 30px rgba(20,227,192,.12);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:none;
  border:none;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  cursor:pointer;
  min-height:44px;
}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--main);
  font-size:1rem;
  line-height:1;
  transition:transform .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:.95rem;}

/* ===== CTA ===== */
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  padding:clamp(28px,4vw,48px);
  background:linear-gradient(115deg,rgba(20,227,192,.9),rgba(139,108,255,.9) 55%,rgba(255,122,61,.92));
  color:#06120F;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  overflow:hidden;
  box-shadow:0 20px 46px rgba(20,227,192,.22);
}
.cta-band h2{color:#06120F;font-size:clamp(1.4rem,2.6vw,1.9rem);}
.cta-band p{color:rgba(6,18,15,.78);margin-top:8px;font-size:.96rem;max-width:560px;}
.cta-band .btn{background:#06120F;color:#E8F6F3;box-shadow:none;}
.cta-band .btn:hover{color:#14E3C0;transform:translateY(-2px);}

/* ===== 页脚 ===== */
.site-footer{
  background:#071010;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(20,227,192,.55),transparent) 1;
  padding:clamp(44px,6vw,72px) 0 26px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:34px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(20,227,192,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-weight:700;}
.footer-desc{color:var(--text-2);font-size:.9rem;max-width:330px;}
.footer-title{font-size:.95rem;font-weight:650;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:.9rem;color:var(--text-2);}
.footer-links a:hover{color:var(--main);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:22px;
  font-size:.82rem;
  color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .reward-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{gap:2px;}
  .nav-link{padding:8px 10px;font-size:.88rem;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .stats-text{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    inset:68px 0 0 0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 20px 110px;
    background:rgba(7,16,16,.98);
    backdrop-filter:blur(14px);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    overflow-y:auto;
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-link{
    padding:18px 4px;
    border-radius:0;
    border-bottom:1px solid rgba(20,227,192,.16);
    font-size:1rem;
  }
  .nav-link.is-active::after{left:4px;right:auto;width:38px;bottom:6px;}
  .nav-actions .btn-sm{display:none;}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .reward-grid{grid-template-columns:1fr;}
  .reward-card{border-radius:18px;}
  .stats-row{grid-template-columns:1fr;}
  .filter-note{display:none;}
  .kv-actions .btn{width:100%;}
  .page-kv{min-height:auto;}
}
@media (max-width:420px){
  .stats-row{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .kv-badge{font-size:.72rem;}
  .chip{padding:8px 14px;font-size:.82rem;}
}

/* roulang page: category3 */
:root{
  --bg-900:#0A1614;
  --bg-800:#10201E;
  --bg-700:#16302C;
  --primary:#14E3C0;
  --primary-dark:#0FB79B;
  --primary-soft:rgba(20,227,192,.12);
  --accent:#FF7A3D;
  --violet:#8B6CFF;
  --text:#E8F6F3;
  --text-2:#9AB4B0;
  --text-3:#6E8683;
  --line:rgba(20,227,192,.16);
  --line-strong:rgba(20,227,192,.45);
  --grad:linear-gradient(120deg,#14E3C0 0%,#8B6CFF 52%,#FF7A3D 100%);
  --r-lg:24px;
  --r-xl:28px;
  --r-img:16px;
  --r-pill:999px;
  --shadow:0 12px 30px rgba(0,0,0,.38);
  --shadow-hover:0 0 0 1px var(--line-strong),0 18px 40px rgba(20,227,192,.18);
  --gap:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg-900);
  color:var(--text);
  font-size:1.02rem;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(60% 42% at 10% 0%,rgba(20,227,192,.14),transparent 70%),
    radial-gradient(52% 40% at 92% 6%,rgba(139,108,255,.14),transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{line-height:1.25}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(10,22,20,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,192,.6),rgba(139,108,255,.4),transparent);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  display:grid;place-items:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad);
  color:#04140F;
  font-weight:800;
  font-size:1.05rem;
  box-shadow:0 8px 20px rgba(20,227,192,.25);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;font-weight:700;font-size:1rem;line-height:1.25;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:.7rem;font-weight:500;letter-spacing:.06em;color:var(--text-3)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;
  border-radius:12px;
  font-size:.95rem;
  color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--primary-soft);color:var(--text)}
.nav-dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px var(--primary);
  opacity:0;
  transition:opacity .2s ease;
}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active .nav-dot{opacity:1}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(20,227,192,.8);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease,border-color .2s ease;
}
.btn-sm{padding:9px 18px;font-size:.9rem}
.btn-lg{padding:15px 32px;font-size:1rem}
.btn-primary{
  background:var(--grad);
  color:#04140F;
  box-shadow:0 10px 24px rgba(20,227,192,.22);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04140F;box-shadow:0 14px 30px rgba(20,227,192,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(20,227,192,.16)}
.btn-ghost{
  padding:13px 28px;
  font-size:.95rem;
  border:1px solid var(--line-strong);
  background:rgba(20,227,192,.06);
  color:var(--text);
}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);color:var(--text)}
.btn-ghost:active{transform:translateY(1px)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ main / section ============ */
main{position:relative;z-index:1}
.section{padding:var(--gap) 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700}
.section-sub{margin-top:14px;color:var(--text-2);font-size:1rem;max-width:640px}

/* ============ KV ============ */
.kv{position:relative;display:flex;align-items:center;min-height:420px;padding:72px 0 60px;overflow:hidden}
.kv-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.kv-mask{
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(20,227,192,.05) 0 1px,transparent 1px 56px),
    linear-gradient(120deg,rgba(10,22,20,.95) 0%,rgba(16,32,30,.82) 44%,rgba(20,227,192,.32) 80%,rgba(139,108,255,.4) 100%);
}
.kv-inner{position:relative;z-index:2;max-width:800px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--text-3);margin-bottom:20px}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-3);opacity:.6}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.kv-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(10,22,20,.55);
  color:var(--primary);
  font-size:.78rem;
  letter-spacing:.02em;
  margin-bottom:20px;
}
.kv h1{
  font-size:clamp(2.1rem,5vw,3.25rem);
  font-weight:700;
  line-height:1.2;
  margin-bottom:18px;
}
.kv-sub{font-size:clamp(1rem,1.6vw,1.12rem);color:var(--text-2);max-width:600px}
.kv-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.badge-stat{
  display:inline-flex;flex-direction:column;gap:2px;
  min-width:124px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(16,32,30,.72);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.badge-stat strong{font-size:1.25rem;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.badge-stat strong em{font-style:normal;font-size:.8rem;margin-left:2px}
.badge-stat span{font-size:.78rem;letter-spacing:.02em;color:var(--text-2)}
.badge-stat.is-cyan strong{color:var(--primary)}
.badge-stat.is-orange strong{color:var(--accent)}
.badge-stat.is-violet strong{color:var(--violet)}

/* ============ card base ============ */
.card-glow{
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-glow:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";
  position:absolute;
  left:50%;top:6px;bottom:0;
  width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,rgba(20,227,192,.75) 12%,rgba(139,108,255,.7) 62%,rgba(255,122,61,.55) 88%,transparent);
}
.tl-item{position:relative;width:50%;padding:0 44px 40px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 40px 44px}
.tl-node{
  position:absolute;
  top:28px;right:-11px;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--bg-900);
  border:2px solid var(--primary);
  box-shadow:0 0 0 6px rgba(20,227,192,.08);
}
.tl-item:nth-child(even) .tl-node{left:-11px;right:auto}
.tl-node.is-doing{border-color:var(--accent);box-shadow:0 0 0 6px rgba(255,122,61,.12)}
.tl-node.is-locked{border-color:var(--text-3);box-shadow:0 0 0 6px rgba(110,134,131,.1)}
.tl-card{padding:24px 26px}
.tl-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.tl-time{font-size:.78rem;color:var(--text-3);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.status{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.02em;
  border:1px solid transparent;
}
.status.is-done{color:var(--primary);background:rgba(20,227,192,.12);border-color:rgba(20,227,192,.35)}
.status.is-doing{color:var(--accent);background:rgba(255,122,61,.12);border-color:rgba(255,122,61,.35)}
.status.is-locked{color:var(--text-3);background:rgba(110,134,131,.12);border-color:rgba(110,134,131,.28)}
.tl-card h3{font-size:1.1rem;font-weight:600;margin-bottom:10px}
.tl-card p{font-size:.95rem;color:var(--text-2)}
.tl-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;
  border-top:1px solid var(--line);
  font-size:.82rem;color:var(--text-3);
}
.tl-arrow{color:var(--primary)}

/* ============ 进度卡组 ============ */
.progress-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.p-card{padding:26px 26px 24px}
.p-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}
.p-head h3{font-size:1.1rem;font-weight:600}
.p-num{font-size:1.5rem;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1}
.p-card.is-orange .p-num{color:var(--accent)}
.p-card.is-violet .p-num{color:var(--violet)}
.track{
  position:relative;
  height:8px;
  border-radius:var(--r-pill);
  background:var(--bg-700);
  overflow:hidden;
  margin-bottom:20px;
}
.fill{
  position:absolute;left:0;top:0;bottom:0;
  border-radius:var(--r-pill);
  background:var(--grad);
  box-shadow:0 0 14px rgba(20,227,192,.35);
}
.p-list{display:flex;flex-direction:column;gap:10px}
.p-list li{display:flex;align-items:flex-start;gap:10px;font-size:.92rem;color:var(--text-2)}
.p-dot{width:7px;height:7px;border-radius:50%;margin-top:9px;flex:none;background:var(--primary);box-shadow:0 0 8px rgba(20,227,192,.6)}
.p-dot.is-orange{background:var(--accent);box-shadow:0 0 8px rgba(255,122,61,.6)}
.p-dot.is-violet{background:var(--violet);box-shadow:0 0 8px rgba(139,108,255,.6)}
.p-dot.is-idle{background:var(--text-3);box-shadow:none}

/* ============ 自检图文块 ============ */
.check-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.check-media{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.check-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.check-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(10,22,20,.15),rgba(139,108,255,.28));
  pointer-events:none;
}
.check-body h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:16px}
.check-body > p{color:var(--text-2);margin-bottom:24px}
.step-list{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.step-list li{display:flex;gap:14px;align-items:flex-start}
.step-num{
  flex:none;
  display:grid;place-items:center;
  width:32px;height:32px;
  border-radius:10px;
  background:var(--primary-soft);
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:.85rem;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-list strong{display:block;font-size:1rem;font-weight:600;margin-bottom:2px}
.step-list span{font-size:.92rem;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 0 0 1px var(--line-strong),0 14px 32px rgba(20,227,192,.14)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  color:var(--text);
}
.faq-icon{
  position:relative;
  flex:none;
  width:20px;height:20px;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 26px 24px;font-size:.95rem;color:var(--text-2);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,rgba(20,227,192,.16),rgba(139,108,255,.18) 52%,rgba(255,122,61,.16)),var(--bg-800);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px 0;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:.98rem;max-width:560px}

/* ============ footer ============ */
.site-footer{
  background:#071010;
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.site-footer::before{
  content:"";
  position:absolute;left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,192,.55),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding:60px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{flex-direction:row;font-size:1rem}
.footer-desc{font-size:.92rem;color:var(--text-2);max-width:320px}
.footer-title{font-size:.95rem;font-weight:600;margin-bottom:18px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:.92rem;color:var(--text-2)}
.footer-links a{color:var(--text-2)}
.footer-links a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.footer-links span{color:var(--text-3)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(20,227,192,.12);
  font-size:.82rem;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .check-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    left:0;right:0;top:68px;bottom:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px 20px 32px;
    background:rgba(7,16,16,.98);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    z-index:99;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{
    padding:18px 4px;
    border-radius:0;
    border-bottom:1px solid rgba(20,227,192,.14);
    font-size:1rem;
  }
  .nav-link:hover{background:transparent;color:var(--primary)}
  .nav-link.is-active::after{left:0;right:auto;width:56px;bottom:8px}
  .nav-link.is-active .nav-dot{opacity:1}
  .brand-text em{display:none}
  .kv{min-height:auto;padding:52px 0 48px}
  .kv-stats{gap:10px}
  .badge-stat{min-width:104px;padding:9px 14px}
  .timeline::before{left:9px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 34px}
  .tl-node,.tl-item:nth-child(even) .tl-node{left:-2px;right:auto;top:26px}
  .tl-card{padding:20px 20px 18px}
  .card-glow{border-radius:18px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .nav-actions .btn-primary{display:none}
  .kv h1{font-size:2rem}
  .badge-stat{min-width:calc(50% - 5px);flex:1 1 auto}
  .btn-lg,.btn-ghost{width:100%}
  .cta-inner .btn{width:100%}
  .faq-q{padding:18px 20px;font-size:.95rem}
  .faq-a-inner{padding:0 20px 20px}
}