/* roulang page: index */
/* ============ 设计令牌 ============ */
:root{
  --bg-0:#0B0D0A;
  --bg-1:#13170F;
  --bg-line:rgba(198,242,78,.16);
  --neon:#C6F24E;
  --neon-soft:rgba(198,242,78,.12);
  --neon-glow:0 0 0 1px rgba(198,242,78,.28), 0 18px 44px -26px rgba(198,242,78,.45);
  --sand:#E3C687;
  --ember:#FF6B35;
  --paper:#F6F7F3;
  --paper-2:#EDEFE8;
  --text-1:#14170F;
  --text-2:#5A6152;
  --line-1:rgba(20,23,15,.10);
  --line-1-strong:rgba(20,23,15,.18);
  --ink-0:#F1F4E8;
  --ink-1:#9BA48E;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,20,12,.05), 0 20px 44px -34px rgba(16,20,12,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text-1);background:var(--paper);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
img{max-width:100%;display:block;height:auto;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}
.nr-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ 容器与排版 ============ */
.nr-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.nr-container{max-width:1280px;}}
.nr-section{padding:88px 0;position:relative;}
.nr-section--paper{background:var(--paper);}
.nr-section--alt{background:var(--paper-2);}
.nr-section--dark{background:var(--bg-0);color:var(--ink-0);}
.nr-head{max-width:760px;margin-bottom:40px;}
.nr-kicker{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.16em;
  color:var(--text-2);text-transform:uppercase;margin-bottom:12px;
}
.nr-kicker::before{content:"";display:inline-block;width:32px;height:1px;background:var(--sand);vertical-align:middle;margin-right:10px;}
.nr-head h2{
  font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  color:var(--text-1);margin-bottom:14px;
}
.nr-head .nr-lead{font-size:15px;line-height:1.8;color:var(--text-2);}
.nr-dark-head h2{color:var(--ink-0);}
.nr-dark-head .nr-kicker{color:var(--ink-1);}
.nr-dark-head .nr-lead{color:var(--ink-1);}

/* ============ 按钮 ============ */
.nr-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),
             border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.nr-btn--primary{background:var(--neon);color:#12170A;border-color:var(--neon);}
.nr-btn--primary:hover{background:#D8FF6E;border-color:#D8FF6E;box-shadow:var(--neon-glow);transform:translateY(-2px);}
.nr-btn--ghost{background:transparent;color:var(--ink-0);border-color:var(--bg-line);}
.nr-btn--ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px);}
.nr-btn--dark{background:var(--text-1);color:var(--paper);border-color:var(--text-1);}
.nr-btn--dark:hover{background:#232A18;border-color:var(--neon);color:var(--neon);transform:translateY(-2px);}
.nr-btn--outline{background:transparent;color:var(--text-1);border-color:var(--line-1-strong);}
.nr-btn--outline:hover{border-color:var(--neon);color:var(--text-1);transform:translateY(-2px);}
.nr-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.nr-btn--sm{min-height:40px;padding:0 16px;font-size:14px;}

/* ============ 顶栏导航 ============ */
.nr-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,13,10,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:height .24s var(--ease);
}
.nr-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,.55),rgba(227,198,135,.22),transparent);
  transition:opacity .24s var(--ease);
}
.nr-nav{
  display:flex;align-items:center;gap:28px;height:72px;
  transition:height .24s var(--ease);
}
.nr-header.is-scrolled .nr-nav{height:56px;}
.nr-header.is-scrolled::after{opacity:1;box-shadow:0 1px 12px rgba(198,242,78,.28);}
.nr-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nr-brand__mark{
  width:8px;height:8px;background:var(--neon);display:inline-block;
  transform:skewX(-18deg);box-shadow:0 0 10px rgba(198,242,78,.7);
}
.nr-brand__text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-0);white-space:nowrap;}
.nr-menu{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nr-menu__item{
  position:relative;display:inline-flex;align-items:center;height:72px;
  padding:0 14px;font-size:15px;color:var(--ink-1);white-space:nowrap;
  transition:color .2s var(--ease),height .24s var(--ease);
}
.nr-header.is-scrolled .nr-menu__item{height:56px;}
.nr-menu__item::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--neon);opacity:0;transform:scaleX(.4);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nr-menu__item:hover{color:var(--ink-0);}
.nr-menu__item:hover::after{opacity:.45;transform:scaleX(1);}
.nr-menu__item.active{color:var(--ink-0);}
.nr-menu__item.active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 8px rgba(198,242,78,.8);}
.nr-nav__right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nr-burger{
  display:none;width:44px;height:44px;border:1px solid var(--bg-line);border-radius:var(--r-sm);
  background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .2s var(--ease);
}
.nr-burger:hover{border-color:var(--neon);}
.nr-burger span{display:block;width:18px;height:2px;background:var(--neon);}

/* 抽屉导航 */
.nr-offcanvas{background:var(--bg-0);color:var(--ink-0);border-left:1px solid var(--bg-line);width:300px;}
.nr-offcanvas .offcanvas-header{border-bottom:1px solid var(--bg-line);padding:18px 20px;}
.nr-offcanvas .nr-brand__text{font-size:17px;}
.nr-close{
  width:44px;height:44px;border:1px solid var(--bg-line);border-radius:var(--r-sm);
  background:transparent;color:var(--ink-0);font-size:20px;line-height:1;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nr-close:hover{border-color:var(--neon);color:var(--neon);}
.nr-offcanvas .offcanvas-body{padding:0;}
.nr-mnav{display:flex;flex-direction:column;padding:8px 0 24px;}
.nr-mnav a{
  display:flex;align-items:center;min-height:56px;padding:0 22px;
  font-size:16px;color:var(--ink-1);border-left:2px solid transparent;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.nr-mnav a:hover{color:var(--ink-0);background:rgba(198,242,78,.06);}
.nr-mnav a.active{color:var(--ink-0);border-left-color:var(--neon);background:rgba(198,242,78,.08);}

/* ============ 首屏 ============ */
.nr-hero{
  position:relative;background:var(--bg-0);color:var(--ink-0);
  padding:72px 0 48px;overflow:hidden;
}
.nr-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(198,242,78,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(198,242,78,.05) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 26% 30%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 26% 30%,#000,transparent 72%);
}
.nr-hero .nr-container{position:relative;z-index:1;}
.nr-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--sand);
  padding:7px 14px;border:1px solid var(--bg-line);border-radius:var(--r-pill);
  margin-bottom:22px;
}
.nr-hero__title{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--ink-0);margin-bottom:20px;
}
.nr-hero__title span{display:block;}
.nr-hero__title .nr-l1{animation:nrRise .55s var(--ease) both;}
.nr-hero__title .nr-l2{
  color:var(--neon);animation:nrRise .55s var(--ease) .07s both;
}
@keyframes nrRise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.nr-hero__sub{
  font-size:17px;line-height:1.8;color:var(--ink-1);max-width:520px;margin-bottom:30px;
  animation:nrRise .55s var(--ease) .14s both;
}
.nr-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;animation:nrRise .55s var(--ease) .21s both;}
.nr-hero__meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:18px;
  padding-top:22px;border-top:1px solid var(--bg-line);
  animation:nrRise .55s var(--ease) .28s both;
}
.nr-hero__meta > div{display:flex;flex-direction:column;gap:2px;}
.nr-meta-num{font-size:20px;font-weight:800;color:var(--ink-0);letter-spacing:-.01em;}
.nr-meta-label{font-size:11px;letter-spacing:.12em;color:var(--ink-1);}
.nr-vline{width:1px;height:26px;background:var(--sand);opacity:.5;display:inline-block;}
.nr-hero__media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--bg-line);box-shadow:var(--neon-glow);
  animation:nrRise .6s var(--ease) .2s both;
}
.nr-hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease);}
.nr-hero__media:hover img{transform:scale(1.04);}
.nr-hero__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,13,10,.05),rgba(11,13,10,.72));
}
.nr-hero__media figcaption{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-size:12px;letter-spacing:.06em;color:var(--ink-1);
}
.nr-quicklinks{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;
  padding-top:24px;border-top:1px solid var(--bg-line);
}
.nr-quicklinks a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;
  border:1px solid var(--bg-line);border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-1);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.nr-quicklinks a:hover{border-color:var(--neon);color:var(--neon);background:var(--neon-soft);}

/* ============ 目录行 ============ */
.nr-toc{border-top:1px solid var(--line-1);}
.nr-toc__row{
  position:relative;display:grid;grid-template-columns:68px minmax(0,1fr) minmax(0,1.1fr) 28px;
  align-items:center;gap:24px;min-height:72px;padding:14px 10px 14px 16px;
  border-bottom:1px solid var(--line-1);
  transition:background-color .2s var(--ease);
}
.nr-toc__row::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;
  background:var(--neon);transform:scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.nr-toc__row:hover{background:var(--paper-2);}
.nr-toc__row:hover::before{transform:scaleY(1);}
.nr-toc__row:hover .nr-toc__arrow{transform:translateX(4px);color:var(--text-1);}
.nr-toc__num{font-size:12px;font-weight:600;letter-spacing:.14em;color:#B99B58;}
.nr-toc__title{font-size:18px;font-weight:600;color:var(--text-1);}
.nr-toc__desc{font-size:14px;line-height:1.7;color:var(--text-2);}
.nr-toc__arrow{font-size:18px;color:var(--text-2);text-align:right;transition:transform .22s var(--ease),color .22s var(--ease);}

/* ============ 主题封面 ============ */
.nr-cover{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-1);background:var(--paper-2);height:100%;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nr-cover:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--shadow-1);}
.nr-cover img{width:100%;height:100%;min-height:340px;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.nr-cover:hover img{transform:scale(1.04);}
.nr-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,13,10,0),rgba(11,13,10,.55));
}
.nr-cover__badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  background:var(--ember);color:#fff;border-radius:var(--r-sm);
  font-size:11px;font-weight:700;letter-spacing:.1em;
}
.nr-cover-info{
  display:flex;flex-direction:column;justify-content:center;height:100%;
  padding:28px;border:1px solid var(--line-1);border-radius:var(--r-lg);
  background:#fff;box-shadow:var(--shadow-1);
}
.nr-cover-info h3{font-size:22px;font-weight:600;line-height:1.4;margin:14px 0 12px;}
.nr-cover-info p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:20px;}
.nr-cover-info__stat{
  display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--text-2);
  padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line-1);
}
.nr-cover-info__stat span{font-size:26px;font-weight:800;color:var(--text-1);letter-spacing:-.02em;}

/* ============ 分类胶囊 / 卡 ============ */
.nr-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border:1px solid var(--line-1-strong);border-radius:var(--r-pill);
  font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--text-2);background:transparent;
}
.nr-chip--neon{border-color:var(--bg-line);color:var(--neon);background:var(--neon-soft);}

.nr-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line-1);border-radius:var(--r-lg);
  overflow:hidden;padding:0;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nr-card:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--shadow-1);}
.nr-card__cover{position:relative;overflow:hidden;background:var(--paper-2);}
.nr-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.nr-card:hover .nr-card__cover img{transform:scale(1.04);}
.nr-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.nr-card__title{font-size:18px;font-weight:600;line-height:1.45;color:var(--text-1);}
.nr-card__desc{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nr-card__foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-1);
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
}
.nr-card__arrow{transition:transform .2s var(--ease);}
.nr-card:hover .nr-card__arrow{transform:translateX(4px);color:var(--neon);}

.nr-card--wide{flex-direction:row;align-items:stretch;}
.nr-card--wide .nr-card__cover{flex:0 0 42%;}
.nr-card--wide .nr-card__cover img{height:100%;aspect-ratio:auto;min-height:200px;}
.nr-card--wide .nr-card__body{flex:1 1 auto;}
.nr-card--tall .nr-card__cover img{aspect-ratio:3/4;}
.nr-card--tall .nr-card__title{font-size:19px;}

/* ============ 最新信息（CMS） ============ */
.nr-bar{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:36px;flex-wrap:wrap;
}
.nr-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-1);
  border-bottom:1px solid var(--line-1-strong);padding-bottom:4px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nr-more:hover{border-color:var(--neon);color:#3F4A26;}
.nr-post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.nr-post-card{
  background:#fff;border:1px solid var(--line-1);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nr-post-card:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--shadow-1);}
.nr-post-card__link{display:flex;flex-direction:column;height:100%;}
.nr-post-card__cover{background:var(--paper-2);position:relative;overflow:hidden;}
.nr-post-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.nr-post-card:hover .nr-post-card__cover img{transform:scale(1.04);}
.nr-post-card__ph{
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:16/9;background:var(--bg-line);color:#6E7A52;
  font-size:13px;font-weight:700;letter-spacing:.1em;
}
.nr-post-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.nr-post-card__title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nr-post-card__desc{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nr-post-card__foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-1);
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
}
.nr-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:180px;text-align:center;gap:8px;
  border:1px dashed var(--line-1-strong);border-radius:var(--r-lg);background:#fff;
}
.nr-empty__mark{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line-1-strong);
  display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--text-2);
}
.nr-empty__title{font-size:15px;font-weight:600;color:var(--text-1);}
.nr-empty__desc{font-size:13px;color:var(--text-2);}

/* ============ 相关推荐 ============ */
.nr-mini-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.nr-mini{
  display:block;background:#fff;border:1px solid var(--line-1);border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nr-mini:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--shadow-1);}
.nr-mini img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.nr-mini:hover img{transform:scale(1.04);}
.nr-mini__body{padding:14px 16px 16px;}
.nr-mini h3{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--text-1);margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nr-mini time{font-size:12px;letter-spacing:.04em;color:var(--text-2);}

/* ============ FAQ ============ */
.nr-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line-1);}
.nr-faq .accordion-button{
  background:transparent;padding:22px 54px 22px 18px;position:relative;
  font-size:17px;font-weight:600;color:var(--text-1);box-shadow:none;border-radius:0;
  transition:color .2s var(--ease);
}
.nr-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--neon);transform:scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.nr-faq .accordion-button:not(.collapsed){color:var(--text-1);background:transparent;}
.nr-faq .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.nr-faq .accordion-button:hover{color:#3F4A26;}
.nr-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--neon);outline-offset:-2px;}
.nr-faq .accordion-button::after{
  content:"";width:12px;height:12px;position:absolute;right:22px;top:50%;
  border-right:1.5px solid var(--text-1);border-bottom:1.5px solid var(--text-1);
  transform:translateY(-70%) rotate(45deg);background-image:none;
  transition:transform .22s var(--ease);
}
.nr-faq .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.nr-faq .accordion-body{padding:0 54px 24px 18px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ CTA 带 ============ */
.nr-cta{
  background:var(--bg-0);color:var(--ink-0);position:relative;overflow:hidden;
}
.nr-cta::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,.55),rgba(227,198,135,.28),transparent);
}
.nr-cta__inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px 0;
}
.nr-cta__title{font-size:clamp(20px,2.2vw,26px);font-weight:700;letter-spacing:-.01em;}
.nr-cta__line{flex:1 1 120px;height:1px;background:var(--sand);opacity:.4;min-width:60px;}
.nr-cta__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 订阅表单 ============ */
.nr-form{display:flex;gap:10px;flex-wrap:wrap;}
.nr-input{
  flex:1 1 200px;min-height:48px;padding:0 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--bg-line);color:var(--ink-0);
  font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nr-input::placeholder{color:var(--ink-1);}
.nr-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(198,242,78,.18);}
.nr-form__hint{font-size:12px;color:var(--ink-1);margin-top:10px;letter-spacing:.04em;}

/* ============ 页脚 ============ */
.nr-footer{background:var(--bg-0);color:var(--ink-1);position:relative;padding:64px 0 0;}
.nr-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,.55),rgba(227,198,135,.22),transparent);
}
.nr-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.nr-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.nr-footer__brand .nr-brand__text{font-size:18px;}
.nr-footer p{font-size:14px;line-height:1.8;color:var(--ink-1);max-width:300px;}
.nr-footer__col h4{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--ink-0);
  margin-bottom:18px;
}
.nr-footer__col ul{display:flex;flex-direction:column;gap:12px;}
.nr-footer__col a{font-size:14px;color:var(--ink-1);}
.nr-footer__col a:hover{color:var(--neon);}
.nr-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--bg-line);padding:22px 0;font-size:12px;letter-spacing:.04em;color:var(--ink-1);
}
.nr-footer__bottom a:hover{color:var(--neon);}

/* ============ 动效进入 ============ */
.nr-reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.nr-reveal.is-in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
  .nr-reveal{opacity:1;transform:none;}
}

/* ============ 断点 ============ */
@media (max-width:1199.98px){
  .nr-menu{gap:2px;}
  .nr-menu__item{padding:0 10px;font-size:14px;}
  .nr-menu__item::after{left:10px;right:10px;}
  .nr-footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .nr-section{padding:64px 0;}
  .nr-menu,.nr-nav__right .nr-btn{display:none;}
  .nr-burger{display:inline-flex;}
  .nr-nav{height:64px;justify-content:space-between;}
  .nr-header.is-scrolled .nr-nav{height:56px;}
  .nr-post-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .nr-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .nr-toc__row{grid-template-columns:52px minmax(0,1fr) minmax(0,1fr) 24px;gap:16px;}
  .nr-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nr-card--wide{flex-direction:column;}
  .nr-card--wide .nr-card__cover{flex:0 0 auto;}
  .nr-card--wide .nr-card__cover img{aspect-ratio:16/9;min-height:0;height:auto;}
}
@media (max-width:767.98px){
  .nr-section{padding:44px 0;}
  .nr-container{padding:0 16px;}
  .nr-hero{padding:44px 0 32px;}
  .nr-hero__media{margin-top:8px;order:2;}
  .nr-hero__media img{aspect-ratio:16/10;max-height:240px;}
  .nr-hero__sub{font-size:16px;}
  .nr-toc__row{grid-template-columns:44px minmax(0,1fr) 24px;gap:12px;min-height:64px;}
  .nr-toc__desc{display:none;}
  .nr-toc__title{font-size:16px;}
  .nr-post-grid{grid-template-columns:1fr;}
  .nr-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nr-cta__inner{padding:36px 0;}
  .nr-cta__line{display:none;}
  .nr-cover img{min-height:200px;}
  .nr-cover-info{padding:22px;}
  .nr-faq .accordion-button{font-size:16px;padding:18px 46px 18px 14px;}
  .nr-faq .accordion-body{padding:0 46px 20px 14px;}
}
@media (max-width:479.98px){
  .nr-mini-grid{grid-template-columns:1fr;}
  .nr-footer__grid{grid-template-columns:1fr;}
  .nr-hero__meta{gap:12px;}
  .nr-hero__meta .nr-vline{display:none;}
  .nr-quicklinks a{font-size:13px;padding:0 14px;}
}

/* roulang page: article */
:root{
  --bg-0:#0B0D0A;
  --bg-1:#13170F;
  --bg-line:rgba(198,242,78,.16);
  --bg-line-strong:rgba(198,242,78,.38);
  --neon:#C6F24E;
  --neon-soft:rgba(198,242,78,.12);
  --neon-glow:0 0 0 1px rgba(198,242,78,.28), 0 18px 44px -26px rgba(198,242,78,.45);
  --sand:#E3C687;
  --ember:#FF6B35;
  --paper:#F6F7F3;
  --paper-2:#EDEFE8;
  --text-1:#14170F;
  --text-2:#5A6152;
  --paper-line:rgba(20,23,15,.10);
  --ink-0:#F1F4E8;
  --ink-1:#9BA48E;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-paper:0 1px 2px rgba(16,20,12,.05), 0 20px 44px -34px rgba(16,20,12,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --gap-section:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease)}
a:hover{color:var(--text-1)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
.nr-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶栏 ---------- */
.nr-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,13,10,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(198,242,78,.5),rgba(227,198,135,.35),rgba(198,242,78,0)) 1;
  transition:height 220ms var(--ease),background-color 220ms var(--ease);
}
.nr-header.is-stuck{background:rgba(11,13,10,.96)}
.nr-nav{display:flex;align-items:center;gap:28px;height:72px;transition:height 220ms var(--ease)}
.nr-header.is-stuck .nr-nav{height:56px}
.nr-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nr-brand__mark{
  width:8px;height:8px;border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 12px rgba(198,242,78,.85);
  transform:skewX(-12deg);
}
.nr-brand__text{color:var(--ink-0);font-size:19px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nr-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.nr-menu__item{
  position:relative;
  padding:8px 12px;
  color:var(--ink-1);
  font-size:15px;
  font-weight:500;
  border-radius:var(--r-sm);
}
.nr-menu__item:hover{color:var(--ink-0);background:var(--neon-soft)}
.nr-menu__item.active{color:var(--ink-0)}
.nr-menu__item.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;box-shadow:0 0 8px rgba(198,242,78,.8);
}
.nr-nav__right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nr-burger{
  display:none;width:44px;height:44px;padding:0;
  background:transparent;border:1px solid var(--bg-line-strong);border-radius:var(--r-sm);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.nr-burger span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px}
.nr-burger:hover{background:var(--neon-soft);border-color:var(--neon)}

/* ---------- 按钮 ---------- */
.nr-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;
  border-radius:var(--r-md);
  border:1px solid var(--bg-line-strong);
  background:transparent;color:var(--ink-0);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.nr-btn:hover{background:var(--neon);border-color:var(--neon);color:#101408;transform:translateY(-2px)}
.nr-btn:active{transform:translateY(0)}
.nr-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.nr-btn--primary{background:var(--neon);border-color:var(--neon);color:#101408}
.nr-btn--primary:hover{background:#d5fa6b;border-color:#d5fa6b}
.nr-btn--sm{height:38px;padding:0 16px;font-size:14px}
.nr-btn--ghost-dark{color:var(--text-1);border-color:var(--paper-line);background:#fff}
.nr-btn--ghost-dark:hover{background:var(--text-1);border-color:var(--text-1);color:#fff}

/* ---------- Offcanvas ---------- */
.nr-offcanvas{background:var(--bg-0);color:var(--ink-0);border-right:1px solid var(--bg-line);width:300px}
.nr-offcanvas .offcanvas-header{border-bottom:1px solid var(--bg-line);padding:18px 20px}
.nr-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.8)}
.nr-offcanvas__nav{display:flex;flex-direction:column;padding:8px 0}
.nr-offcanvas__nav a{
  display:flex;align-items:center;min-height:56px;padding:0 20px;
  color:var(--ink-1);font-size:16px;font-weight:500;border-left:2px solid transparent;
  transition:color 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease);
}
.nr-offcanvas__nav a:hover,.nr-offcanvas__nav a.active{color:var(--ink-0);background:var(--neon-soft);border-left-color:var(--neon)}
.nr-offcanvas__foot{padding:18px 20px;border-top:1px solid var(--bg-line)}
.nr-offcanvas__foot p{color:var(--ink-1);font-size:13px;margin:0 0 12px}

/* ---------- 面包屑 ---------- */
.nr-crumb{background:var(--bg-0);color:var(--ink-1);padding:16px 0;border-bottom:1px solid var(--bg-line)}
.nr-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:13px;letter-spacing:.02em}
.nr-crumb li{display:flex;align-items:center;gap:8px;min-width:0}
.nr-crumb li::after{content:"/";color:rgba(227,198,135,.55)}
.nr-crumb li:last-child::after{content:""}
.nr-crumb a{color:var(--ink-1)}
.nr-crumb a:hover{color:var(--neon)}
.nr-crumb li:last-child span{color:var(--ink-0);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.nr-art-head{background:var(--bg-0);color:var(--ink-0);padding:44px 0 52px;position:relative;overflow:hidden}
.nr-art-head::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,.5),rgba(227,198,135,.35),rgba(198,242,78,0));
}
.nr-art-head__inner{max-width:860px}
.nr-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--bg-line-strong);
  background:var(--neon-soft);
  color:var(--neon);
  font-size:12px;font-weight:600;letter-spacing:.1em;
}
.nr-art-head h1{
  font-size:clamp(28px,3.9vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  margin:20px 0 18px;
}
.nr-art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--ink-1);font-size:13px;letter-spacing:.04em}
.nr-art-meta span{display:inline-flex;align-items:center;gap:8px}
.nr-art-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--sand);display:inline-block}
.nr-art-share{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}

/* ---------- 正文布局 ---------- */
.nr-art-wrap{padding:56px 0 var(--gap-section)}
.nr-art-grid{display:grid;grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:40px;align-items:start}
.nr-prose{max-width:760px;font-size:17px;line-height:1.88;color:var(--text-1)}
.nr-prose>*:first-child{margin-top:0}
.nr-prose p{margin:0 0 1.2em}
.nr-prose h2{
  position:relative;
  font-size:clamp(22px,2.3vw,30px);font-weight:700;line-height:1.3;
  margin:2.1em 0 .85em;padding-left:15px;
}
.nr-prose h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--neon);border-radius:3px}
.nr-prose h3{font-size:20px;font-weight:600;margin:1.7em 0 .7em}
.nr-prose h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em}
.nr-prose ul,.nr-prose ol{margin:0 0 1.3em;padding-left:0;list-style:none}
.nr-prose li{position:relative;padding-left:22px;margin-bottom:.55em}
.nr-prose ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  background:var(--neon);border-radius:2px;transform:skewX(-12deg);
}
.nr-prose ol{counter-reset:nrli}
.nr-prose ol>li{counter-increment:nrli}
.nr-prose ol>li::before{
  content:counter(nrli,decimal-leading-zero);
  position:absolute;left:0;top:0;
  color:var(--sand);font-size:13px;font-weight:700;letter-spacing:.08em;line-height:1.9;
}
.nr-prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--paper-2);
  border-left:3px solid var(--sand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-style:normal;
}
.nr-prose blockquote p:last-child{margin-bottom:0}
.nr-prose img{border-radius:var(--r-md);margin:1.6em 0 .6em;width:100%;border:1px solid var(--paper-line)}
.nr-prose figure{margin:1.6em 0}
.nr-prose figcaption{font-size:13px;color:var(--text-2);text-align:center;letter-spacing:.02em}
.nr-prose a{color:#3E5A15;border-bottom:1px solid rgba(198,242,78,.75);padding-bottom:1px}
.nr-prose a:hover{color:var(--text-1);border-bottom-color:var(--text-1)}
.nr-prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.nr-prose th,.nr-prose td{border:1px solid var(--paper-line);padding:10px 12px;text-align:left}
.nr-prose th{background:var(--paper-2);font-weight:600}
.nr-prose hr{border:0;border-top:1px solid var(--paper-line);margin:2.4em 0}
.nr-prose code{background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:14px}

/* ---------- 侧栏 ---------- */
.nr-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.nr-card{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-paper);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nr-card:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:0 1px 2px rgba(16,20,12,.05),0 26px 50px -34px rgba(16,20,12,.35)}
.nr-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.nr-card h3::before{content:"";width:14px;height:3px;background:var(--sand);border-radius:3px}
.nr-side-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.nr-side-list li{border-bottom:1px solid var(--paper-line)}
.nr-side-list li:last-child{border-bottom:0}
.nr-side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:46px;font-size:15px;color:var(--text-1);font-weight:500;
  border-left:2px solid transparent;padding-left:10px;
  transition:border-color 200ms var(--ease),color 200ms var(--ease),transform 200ms var(--ease);
}
.nr-side-list a::after{content:"→";color:var(--text-2);font-size:14px;transition:transform 200ms var(--ease)}
.nr-side-list a:hover{border-left-color:var(--neon);transform:translateX(2px)}
.nr-side-list a:hover::after{transform:translateX(4px);color:var(--neon)}
.nr-fact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-2)}
.nr-fact__row{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--paper-line);padding-bottom:10px}
.nr-fact__row:last-child{border-bottom:0;padding-bottom:0}
.nr-fact__row strong{color:var(--text-1);font-weight:600}

/* ---------- 标签行 / 上下篇 ---------- */
.nr-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--paper-line)}
.nr-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--paper-line);background:var(--paper-2);
  font-size:13px;color:var(--text-2);
  transition:border-color 200ms var(--ease),color 200ms var(--ease),background-color 200ms var(--ease);
}
.nr-tag:hover{border-color:var(--neon);background:#fff;color:var(--text-1)}
.nr-pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.nr-pager__item{
  display:block;background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:var(--shadow-paper);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.nr-pager__item:hover{transform:translateY(-4px);border-color:var(--neon)}
.nr-pager__item span{display:block;font-size:12px;letter-spacing:.14em;color:var(--sand);font-weight:700;margin-bottom:8px}
.nr-pager__item strong{font-size:16px;font-weight:600;line-height:1.5}

/* ---------- 相关推荐 ---------- */
.nr-related{background:var(--paper-2);padding:var(--gap-section) 0;border-top:1px solid var(--paper-line)}
.nr-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.nr-sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.nr-sec-head .nr-sec-sub{color:var(--text-2);font-size:14px;margin-top:6px}
.nr-sec-head a.nr-more{font-size:14px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--paper-line);padding-bottom:2px}
.nr-sec-head a.nr-more:hover{color:var(--text-1);border-bottom-color:var(--neon)}
.nr-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.nr-post{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--paper-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-paper);height:100%;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.nr-post:hover{transform:translateY(-4px);border-color:var(--neon)}
.nr-post__cover{overflow:hidden;aspect-ratio:16/9;background:var(--paper-2)}
.nr-post__cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.nr-post:hover .nr-post__cover img{transform:scale(1.04)}
.nr-post__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.nr-post__tag{font-size:12px;letter-spacing:.1em;color:var(--sand);font-weight:700}
.nr-post__body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nr-post__body p{font-size:14px;line-height:1.7;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nr-post__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-2);letter-spacing:.04em}

/* ---------- 空态 ---------- */
.nr-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:260px;text-align:center;background:#fff;border:1px dashed var(--paper-line);
  border-radius:var(--r-lg);padding:32px 20px;
}
.nr-empty__mark{
  width:44px;height:44px;border-radius:12px;background:var(--neon-soft);
  border:1px solid rgba(198,242,78,.5);display:flex;align-items:center;justify-content:center;
  color:#3E5A15;font-weight:800;font-size:18px;
}
.nr-empty h3{font-size:18px}
.nr-empty p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- CTA 带 ---------- */
.nr-cta{background:var(--bg-0);color:var(--ink-0);padding:52px 0;position:relative;overflow:hidden}
.nr-cta::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,.55),rgba(227,198,135,.35),rgba(198,242,78,0));
}
.nr-cta__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.nr-cta__inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;letter-spacing:-.01em}
.nr-cta__line{flex:1 1 60px;height:1px;background:var(--sand);opacity:.5;min-width:40px}
.nr-cta__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.nr-footer{background:var(--bg-0);color:var(--ink-1);padding:64px 0 28px;position:relative}
.nr-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,.55),rgba(227,198,135,.35),rgba(198,242,78,0));
}
.nr-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.nr-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.nr-footer__brand .nr-brand__text{font-size:18px}
.nr-footer p{font-size:14px;line-height:1.8;color:var(--ink-1)}
.nr-footer__col h4{font-size:13px;letter-spacing:.1em;color:var(--ink-0);margin-bottom:14px;font-weight:600}
.nr-footer__col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.nr-footer__col a{font-size:14px;color:var(--ink-1)}
.nr-footer__col a:hover{color:var(--neon)}
.nr-footer__bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--bg-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;letter-spacing:.04em;color:var(--ink-1);
}
.nr-form{display:flex;gap:10px;flex-wrap:wrap}
.nr-input{
  flex:1 1 170px;height:48px;padding:0 14px;
  background:var(--bg-1);color:var(--ink-0);
  border:1px solid var(--bg-line);border-radius:var(--r-md);
  font-size:14px;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.nr-input::placeholder{color:#6E7761}
.nr-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(198,242,78,.18)}
.nr-form__hint{font-size:12px;color:var(--ink-1);margin:10px 0 0}
.nr-form__hint.is-error{color:var(--ember)}
.nr-form__hint.is-ok{color:var(--neon)}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  :root{--gap-section:72px}
  .nr-art-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .nr-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  :root{--gap-section:64px}
  .nr-menu{display:none}
  .nr-burger{display:flex}
  .nr-nav__right .nr-btn{display:none}
  .nr-art-grid{grid-template-columns:minmax(0,1fr)}
  .nr-side{position:static;flex-direction:row;flex-wrap:wrap}
  .nr-side .nr-card{flex:1 1 300px}
  .nr-footer__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--gap-section:44px}
  body{font-size:15px}
  .nr-container{padding:0 16px}
  .nr-nav{height:64px;gap:16px}
  .nr-header.is-stuck .nr-nav{height:56px}
  .nr-brand__text{font-size:17px}
  .nr-art-head{padding:30px 0 38px}
  .nr-art-wrap{padding:36px 0 var(--gap-section)}
  .nr-prose{font-size:16px}
  .nr-grid-3{grid-template-columns:minmax(0,1fr);gap:18px}
  .nr-pager{grid-template-columns:minmax(0,1fr)}
  .nr-cta__inner{flex-direction:column;align-items:flex-start}
  .nr-cta__line{display:none}
  .nr-footer{padding:48px 0 24px}
  .nr-footer__grid{grid-template-columns:1fr}
}
@media (max-width:479px){
  .nr-art-meta{gap:10px;font-size:12px}
  .nr-art-meta .hide-xs{display:none}
  .nr-side{flex-direction:column}
  .nr-crumb li:last-child span{max-width:24ch}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .nr-card:hover,.nr-post:hover,.nr-pager__item:hover,.nr-btn:hover{transform:none}
  .nr-post:hover .nr-post__cover img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0D0A;
  --bg-1:#13170F;
  --bg-line:rgba(198,242,78,.16);
  --neon:#C6F24E;
  --neon-soft:rgba(198,242,78,.12);
  --neon-glow:0 0 0 1px rgba(198,242,78,.28), 0 18px 44px -26px rgba(198,242,78,.45);
  --sand:#E3C687;
  --ember:#FF6B35;
  --paper:#F6F7F3;
  --paper-2:#EDEFE8;
  --text-1:#14170F;
  --text-2:#5A6152;
  --line-1:rgba(20,23,15,.10);
  --ink-0:#F1F4E8;
  --ink-1:#9BA48E;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-soft:0 1px 2px rgba(16,20,12,.05), 0 20px 44px -34px rgba(16,20,12,.28);
  --t:200ms cubic-bezier(.2,.7,.2,1);
  --gap-d:88px;
  --gap-t:64px;
  --gap-m:44px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--paper);
  font-feature-settings:"tnum";
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t),opacity var(--t);}
button,input{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
.nr-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.nr-container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.nr-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.nr-btn--primary{background:var(--neon);color:#101405;border-color:var(--neon);}
.nr-btn--primary:hover{background:transparent;color:var(--neon);box-shadow:var(--neon-glow);transform:translateY(-2px);}
.nr-btn--ghost-light{background:transparent;color:var(--ink-0);border-color:rgba(198,242,78,.38);}
.nr-btn--ghost-light:hover{background:var(--neon);color:#101405;border-color:var(--neon);transform:translateY(-2px);}
.nr-btn--ghost-dark{background:transparent;color:var(--text-1);border-color:var(--line-1);}
.nr-btn--ghost-dark:hover{border-color:var(--neon);background:var(--neon-soft);transform:translateY(-2px);}
.nr-btn--sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-sm);}
.nr-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 顶栏 ---------- */
.nr-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,13,10,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--bg-line);
  transition:background-color var(--t),border-color var(--t);
}
.nr-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,0),rgba(198,242,78,.55),rgba(227,198,135,.35),rgba(198,242,78,0));
  opacity:.7;transition:opacity var(--t);
}
.nr-header.is-scrolled::after{opacity:1;}
.nr-nav{display:flex;align-items:center;gap:28px;height:70px;transition:height var(--t);}
.nr-header.is-scrolled .nr-nav{height:58px;}
.nr-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.nr-brand__mark{
  width:10px;height:10px;border-radius:2px;background:var(--neon);
  box-shadow:0 0 12px rgba(198,242,78,.65);
  transform:skewX(-12deg);flex:0 0 auto;
}
.nr-brand__text{font-size:19px;font-weight:800;color:var(--ink-0);letter-spacing:-.01em;}
.nr-menu{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nr-menu__item{
  position:relative;padding:8px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink-1);
}
.nr-menu__item::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:var(--neon);opacity:0;box-shadow:0 0 8px rgba(198,242,78,.8);transition:opacity var(--t);
}
.nr-menu__item:hover{color:var(--ink-0);}
.nr-menu__item.active{color:var(--ink-0);font-weight:600;}
.nr-menu__item.active::after{opacity:1;}
.nr-nav__right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nr-burger{
  display:none;width:44px;height:44px;border:1px solid rgba(198,242,78,.4);
  border-radius:var(--r-sm);background:transparent;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nr-burger span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;}
.nr-burger:hover{background:var(--neon-soft);}

/* ---------- 抽屉 ---------- */
.nr-offcanvas{background:var(--bg-0);color:var(--ink-0);border-left:1px solid var(--bg-line);}
.nr-offcanvas .offcanvas-header{border-bottom:1px solid var(--bg-line);padding:18px 20px;}
.nr-offcanvas .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.nr-offcanvas .offcanvas-body{padding:12px 0;}
.nr-om-item{
  display:flex;align-items:center;height:56px;padding:0 22px;
  font-size:16px;color:var(--ink-1);border-left:3px solid transparent;
}
.nr-om-item:hover{color:var(--ink-0);background:rgba(198,242,78,.06);}
.nr-om-item.active{color:var(--ink-0);border-left-color:var(--neon);background:var(--neon-soft);font-weight:600;}
.nr-offcanvas .nr-off-foot{padding:18px 22px;border-top:1px solid var(--bg-line);}

/* ---------- 页头带 ---------- */
.nr-hero{
  position:relative;background:var(--bg-0);color:var(--ink-0);
  padding:64px 0 56px;overflow:hidden;
}
.nr-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.28;
}
.nr-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,10,.72) 0%,rgba(11,13,10,.92) 60%,var(--bg-0) 100%);
}
.nr-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:end;}
.nr-crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--ink-1);margin-bottom:18px;}
.nr-crumb a:hover{color:var(--neon);}
.nr-crumb span.sep{color:rgba(227,198,135,.7);}
.nr-overline{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--sand);text-transform:uppercase;
  margin-bottom:16px;
}
.nr-overline::before{content:"";width:32px;height:1px;background:var(--sand);display:block;}
.nr-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  color:var(--ink-0);margin-bottom:18px;
}
.nr-hero h1 em{font-style:normal;color:var(--neon);}
.nr-hero__lead{font-size:17px;line-height:1.8;color:var(--ink-1);max-width:640px;}
.nr-hero__stats{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:28px;
  padding-top:20px;border-top:1px solid var(--bg-line);
}
.nr-stat{min-width:96px;}
.nr-stat__num{font-size:20px;font-weight:800;color:var(--neon);letter-spacing:-.01em;}
.nr-stat__lab{font-size:12px;letter-spacing:.06em;color:var(--ink-1);}
.nr-hero__aside{
  border:1px solid var(--bg-line);border-radius:var(--r-lg);
  background:rgba(19,23,15,.72);padding:24px;
}
.nr-hero__aside h2{font-size:17px;font-weight:700;color:var(--ink-0);margin-bottom:14px;}
.nr-hero__aside ul li{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--bg-line);font-size:14px;color:var(--ink-1);
}
.nr-hero__aside ul li:last-child{border-bottom:0;}
.nr-hero__aside ul li strong{color:var(--ink-0);font-weight:600;}

/* ---------- 锚点条 ---------- */
.nr-anchors{background:var(--bg-1);border-top:1px solid var(--bg-line);border-bottom:1px solid var(--bg-line);}
.nr-anchors__row{
  display:flex;gap:10px;align-items:center;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;
}
.nr-anchors__row::-webkit-scrollbar{display:none;}
.nr-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--bg-line);color:var(--ink-1);font-size:14px;white-space:nowrap;
}
.nr-pill:hover{color:var(--ink-0);border-color:rgba(198,242,78,.5);background:var(--neon-soft);}
.nr-pill.is-active{background:var(--neon);border-color:var(--neon);color:#101405;font-weight:600;}

/* ---------- 区块骨架 ---------- */
.nr-section{padding:var(--gap-d) 0;}
.nr-section--paper{background:var(--paper);}
.nr-section--paper2{background:var(--paper-2);}
.nr-section--dark{background:var(--bg-0);color:var(--ink-0);}
.nr-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.nr-head__line{display:block;width:32px;height:2px;background:var(--sand);margin-bottom:14px;}
.nr-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;}
.nr-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.nr-section--dark .nr-head p{color:var(--ink-1);}
.nr-head__link{font-size:14px;font-weight:600;color:var(--text-1);border-bottom:1px solid var(--line-1);padding-bottom:3px;white-space:nowrap;}
.nr-head__link:hover{color:var(--text-1);border-color:var(--neon);}

/* ---------- 编号目录行 ---------- */
.nr-dir{border-top:1px solid var(--line-1);}
.nr-dir__item{
  position:relative;display:grid;grid-template-columns:64px minmax(0,1fr) 32px;
  gap:20px;align-items:center;padding:20px 18px 20px 20px;
  border-bottom:1px solid var(--line-1);
  transition:background-color var(--t),border-color var(--t);
}
.nr-dir__item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;
  background:var(--neon);opacity:0;transition:opacity var(--t);
}
.nr-dir__item:hover{background:#fff;}
.nr-dir__item:hover::before{opacity:1;}
.nr-dir__no{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--sand);}
.nr-dir__title{display:block;font-size:18px;font-weight:600;line-height:1.5;color:var(--text-1);}
.nr-dir__desc{display:block;margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-2);}
.nr-dir__arrow{font-size:18px;color:var(--text-2);transition:transform var(--t),color var(--t);}
.nr-dir__item:hover .nr-dir__arrow{transform:translateX(4px);color:var(--neon);}
.nr-dir__tag{
  display:inline-block;margin-left:10px;vertical-align:middle;
  font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--ember);
  border:1px solid rgba(255,107,53,.45);border-radius:var(--r-pill);padding:1px 8px;
}

/* ---------- 信息条（适用场景） ---------- */
.nr-rows{border:1px solid var(--line-1);border-radius:var(--r-lg);overflow:hidden;background:#fff;}
.nr-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1fr);
  gap:20px;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line-1);
  transition:background-color var(--t);
}
.nr-row:last-child{border-bottom:0;}
.nr-row:hover{background:var(--paper-2);}
.nr-row__no{
  width:36px;height:36px;border-radius:var(--r-sm);background:var(--neon-soft);
  color:#3E5410;display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:.06em;
}
.nr-row__t{font-size:16px;font-weight:600;}
.nr-row__d{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- 步骤流程 ---------- */
.nr-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.nr-step{
  position:relative;padding:24px 22px;border:1px solid var(--line-1);
  border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow-soft);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.nr-step:hover{transform:translateY(-4px);border-color:var(--neon);}
.nr-step__no{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--sand);}
.nr-step h3{margin:12px 0 8px;font-size:18px;font-weight:600;}
.nr-step p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- 精选卡 ---------- */
.nr-picks{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;}
.nr-pick{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line-1);border-radius:var(--r-lg);background:#fff;
  box-shadow:var(--shadow-soft);
  transition:transform var(--t),border-color var(--t);
}
.nr-pick:hover{transform:translateY(-4px);border-color:var(--neon);}
.nr-pick__media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--paper-2);}
.nr-pick__media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms cubic-bezier(.2,.7,.2,1);}
.nr-pick:hover .nr-pick__media img{transform:scale(1.04);}
.nr-pick__body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column;}
.nr-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--neon-soft);color:#3E5410;font-size:12px;font-weight:700;letter-spacing:.06em;
  border:1px solid rgba(198,242,78,.5);
}
.nr-pick h3{margin:14px 0 10px;font-size:21px;font-weight:600;line-height:1.45;}
.nr-pick p{font-size:14.5px;line-height:1.8;color:var(--text-2);}
.nr-pick__foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-2);}
.nr-pick__foot .nr-more{font-weight:600;color:var(--text-1);}
.nr-pick:hover .nr-pick__foot .nr-more{color:#3E5410;}

/* ---------- FAQ ---------- */
.nr-faq{border-top:1px solid var(--line-1);}
.nr-faq .accordion-item{border:0;border-bottom:1px solid var(--line-1);background:transparent;}
.nr-faq .accordion-button{
  position:relative;background:transparent;border:0;box-shadow:none;
  padding:22px 46px 22px 0;font-size:17px;font-weight:600;color:var(--text-1);
}
.nr-faq .accordion-button::after{display:none;}
.nr-faq .accordion-button .nr-plus{
  position:absolute;right:6px;top:50%;width:18px;height:18px;transform:translateY(-50%);
  transition:transform var(--t);
}
.nr-faq .accordion-button .nr-plus::before,
.nr-faq .accordion-button .nr-plus::after{
  content:"";position:absolute;background:#3E5410;border-radius:2px;
}
.nr-faq .accordion-button .nr-plus::before{left:0;top:8px;width:18px;height:2px;}
.nr-faq .accordion-button .nr-plus::after{left:8px;top:0;width:2px;height:18px;}
.nr-faq .accordion-button:not(.collapsed){color:#2E3F0B;}
.nr-faq .accordion-button:not(.collapsed) .nr-plus{transform:translateY(-50%) rotate(90deg);}
.nr-faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:-14px;top:14px;bottom:14px;width:3px;
  background:var(--neon);border-radius:2px;
}
.nr-faq .accordion-body{padding:0 46px 24px 0;font-size:15px;line-height:1.85;color:var(--text-2);}
.nr-faq .accordion-button:focus{box-shadow:0 0 0 2px var(--neon);border-radius:var(--r-sm);}

/* ---------- CTA 带 ---------- */
.nr-cta{background:var(--bg-1);border-top:1px solid var(--bg-line);border-bottom:1px solid var(--bg-line);padding:52px 0;}
.nr-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.nr-cta__t{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--ink-0);}
.nr-cta__s{margin-top:8px;font-size:14px;color:var(--ink-1);}
.nr-cta__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 订阅表单 ---------- */
.nr-form{display:flex;gap:10px;flex-wrap:wrap;}
.nr-input{
  flex:1 1 200px;min-height:48px;padding:0 16px;
  background:rgba(246,247,243,.06);border:1px solid var(--bg-line);
  border-radius:var(--r-sm);color:var(--ink-0);font-size:14px;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.nr-input::placeholder{color:var(--ink-1);}
.nr-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(198,242,78,.22);}
.nr-form__hint{margin-top:10px;font-size:12.5px;color:var(--ink-1);}
.nr-form__hint.is-error{color:#FF9C78;}
.nr-form__hint.is-ok{color:var(--neon);}

/* ---------- 页脚 ---------- */
.nr-footer{position:relative;background:var(--bg-0);color:var(--ink-1);padding:64px 0 0;}
.nr-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(198,242,78,0),rgba(198,242,78,.6),rgba(227,198,135,.4),rgba(198,242,78,0));
}
.nr-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;}
.nr-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.nr-footer__brand .nr-brand__text{font-size:18px;color:var(--ink-0);}
.nr-footer p{font-size:14px;line-height:1.8;}
.nr-footer__col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--ink-0);margin-bottom:16px;}
.nr-footer__col ul li{margin-bottom:10px;}
.nr-footer__col ul li a{font-size:14px;color:var(--ink-1);}
.nr-footer__col ul li a:hover{color:var(--neon);}
.nr-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--bg-line);padding:20px 0 26px;font-size:12px;color:var(--ink-1);
}

/* ---------- 动效 ---------- */
.nr-reveal{opacity:0;transform:translateY(8px);}
.nr-reveal.is-in{opacity:1;transform:none;transition:opacity 420ms cubic-bezier(.2,.7,.2,1),transform 420ms cubic-bezier(.2,.7,.2,1);}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  .nr-reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nr-hero__inner{grid-template-columns:1fr;gap:28px;}
  .nr-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nr-footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  :root{--gap-d:64px;}
  .nr-menu{display:none;}
  .nr-burger{display:inline-flex;}
  .nr-nav{gap:16px;}
  .nr-picks{grid-template-columns:1fr;}
  .nr-row{grid-template-columns:48px minmax(0,1fr);gap:14px;}
  .nr-row__d{grid-column:2;}
}
@media (max-width:767.98px){
  :root{--gap-d:44px;}
  .nr-container{padding:0 16px;}
  .nr-hero{padding:44px 0 40px;}
  .nr-hero__lead{font-size:15px;}
  .nr-hero__stats{gap:14px;}
  .nr-dir__item{grid-template-columns:44px minmax(0,1fr) 20px;gap:12px;padding:18px 8px 18px 14px;}
  .nr-dir__title{font-size:16px;}
  .nr-dir__desc{font-size:13.5px;}
  .nr-dir__no{font-size:12px;}
  .nr-steps{grid-template-columns:1fr;}
  .nr-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .nr-cta__inner{flex-direction:column;align-items:flex-start;}
  .nr-footer{padding-top:48px;}
  .nr-footer__grid{grid-template-columns:1fr;gap:24px;}
  .nr-pick h3{font-size:18px;}
}
@media (max-width:479.98px){
  .nr-hero__stats .nr-stat:nth-child(3){display:none;}
  .nr-crumb{font-size:12px;}
  .nr-dir__desc{display:none;}
  .nr-dir__item{padding:16px 6px 16px 12px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B0D0A;
  --bg-1:#13170F;
  --bg-line:rgba(198,242,78,.16);
  --neon:#C6F24E;
  --neon-soft:rgba(198,242,78,.12);
  --neon-glow:0 0 0 1px rgba(198,242,78,.28), 0 18px 44px -26px rgba(198,242,78,.45);
  --sand:#E3C687;
  --ember:#FF6B35;
  --paper:#F6F7F3;
  --paper-2:#EDEFE8;
  --text-1:#14170F;
  --text-2:#5A6152;
  --line:rgba(20,23,15,.10);
  --ink-0:#F1F4E8;
  --ink-1:#9BA48E;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-paper:0 1px 2px rgba(16,20,12,.05), 0 20px 44px -34px rgba(16,20,12,.28);
  --t:200ms cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--paper);
  font-feature-settings:"tnum";
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t);}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
.nr-dark{
  --text-1:var(--ink-0);
  --text-2:var(--ink-1);
  --line:rgba(198,242,78,.16);
  background:var(--bg-0);
  color:var(--ink-0);
}
.nr-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.nr-container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.nr-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.nr-btn--primary{background:var(--neon);color:#0B0D0A;border-color:var(--neon);}
.nr-btn--primary:hover{background:#d3f96a;border-color:#d3f96a;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,242,78,.4),0 16px 34px -22px rgba(198,242,78,.75);color:#0B0D0A;}
.nr-btn--ghost{background:transparent;color:var(--ink-0);border-color:rgba(198,242,78,.38);}
.nr-btn--ghost:hover{background:var(--neon);color:#0B0D0A;border-color:var(--neon);transform:translateY(-2px);}
.nr-btn--line{background:#fff;color:var(--text-1);border-color:var(--line);}
.nr-btn--line:hover{background:var(--neon);border-color:var(--neon);color:#0B0D0A;transform:translateY(-2px);}
.nr-btn--sm{min-height:40px;padding:9px 16px;font-size:14px;}
.nr-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 顶栏 ---------- */
.nr-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,13,10,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nr-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,242,78,.55),rgba(227,198,135,.45),transparent);
}
.nr-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:70px;transition:height var(--t);}
.nr-header--scrolled .nr-nav{height:56px;}
.nr-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.nr-brand__mark{
  width:10px;height:10px;background:var(--neon);border-radius:2px;
  transform:rotate(45deg);box-shadow:0 0 12px rgba(198,242,78,.7);
}
.nr-brand__text{font-size:19px;font-weight:800;color:var(--ink-0);letter-spacing:-.01em;white-space:nowrap;}
.nr-menu{display:flex;align-items:center;gap:2px;}
.nr-menu__item{
  position:relative;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--ink-1);white-space:nowrap;
}
.nr-menu__item:hover{color:var(--ink-0);background:rgba(198,242,78,.07);}
.nr-menu__item.active{color:var(--ink-0);}
.nr-menu__item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;box-shadow:0 0 8px rgba(198,242,78,.85);
}
.nr-nav__right{display:flex;align-items:center;gap:12px;}
.nr-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid rgba(198,242,78,.38);background:rgba(198,242,78,.06);
  padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color var(--t),background-color var(--t);
}
.nr-burger span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;}
.nr-burger:hover{border-color:var(--neon);background:rgba(198,242,78,.14);}

.nr-offcanvas{background:var(--bg-1);color:var(--ink-0);width:min(320px,86vw);}
.nr-offcanvas .offcanvas-header{border-bottom:1px solid var(--bg-line);padding:18px 20px;}
.nr-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.8;}
.nr-offcanvas .offcanvas-body{padding:12px 20px 28px;}
.nr-drawer__item{
  display:flex;align-items:center;height:56px;padding:0 14px;
  border-left:2px solid transparent;color:var(--ink-1);font-size:16px;
  border-bottom:1px solid rgba(198,242,78,.08);
}
.nr-drawer__item:hover{color:var(--ink-0);background:rgba(198,242,78,.06);}
.nr-drawer__item.active{color:var(--ink-0);border-left-color:var(--neon);background:rgba(198,242,78,.08);}
.nr-drawer__cta{margin-top:20px;}

/* ---------- 页头横幅 ---------- */
.nr-banner{position:relative;overflow:hidden;}
.nr-banner__img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.55;
}
.nr-banner__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(11,13,10,.96) 0%,rgba(11,13,10,.78) 46%,rgba(11,13,10,.6) 100%),
    repeating-linear-gradient(90deg,rgba(198,242,78,.05) 0 1px,transparent 1px 24px),
    repeating-linear-gradient(0deg,rgba(198,242,78,.05) 0 1px,transparent 1px 24px);
}
.nr-banner__inner{
  position:relative;z-index:2;
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  min-height:216px;padding-top:56px;padding-bottom:34px;
}
.nr-banner__text{max-width:660px;}
.nr-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;font-weight:600;color:var(--sand);
  text-transform:uppercase;margin-bottom:14px;
}
.nr-eyebrow::before{content:"";width:28px;height:1px;background:var(--sand);display:block;}
.nr-banner h1{
  font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--ink-0);
}
.nr-banner__sub{margin-top:14px;font-size:16.5px;line-height:1.75;color:var(--ink-1);max-width:620px;}
.nr-banner__stats{display:flex;gap:22px;flex:0 0 auto;}
.nr-banner__stat{position:relative;padding-left:22px;}
.nr-banner__stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(227,198,135,.45);}
.nr-banner__stat:first-child{padding-left:0;}
.nr-banner__stat:first-child::before{display:none;}
.nr-banner__stat strong{display:block;font-size:22px;font-weight:800;color:var(--neon);line-height:1.2;}
.nr-banner__stat span{display:block;font-size:12px;letter-spacing:.08em;color:var(--ink-1);margin-top:4px;}

/* ---------- 锚点条 ---------- */
.nr-anchorbar{background:var(--paper-2);border-bottom:1px solid var(--line);}
.nr-anchorbar__inner{display:flex;align-items:center;gap:12px;min-height:56px;overflow-x:auto;scrollbar-width:none;}
.nr-anchorbar__inner::-webkit-scrollbar{display:none;}
.nr-anchorbar__label{font-size:12px;letter-spacing:.14em;color:var(--text-2);font-weight:600;flex:0 0 auto;}
.nr-anchor{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:13.5px;white-space:nowrap;
}
.nr-anchor:hover{border-color:var(--neon);color:var(--text-1);background:var(--neon-soft);}

/* ---------- 主体区 ---------- */
.nr-section{padding:64px 0 72px;}
.nr-group{margin-bottom:52px;}
.nr-group:last-child{margin-bottom:0;}
.nr-group__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px;}
.nr-group__head h2{
  position:relative;padding-left:15px;
  font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.3;
}
.nr-group__head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;
  background:var(--neon);border-radius:2px;
}
.nr-group__tag{
  flex:0 0 auto;font-size:12px;letter-spacing:.06em;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;background:#fff;
}
.nr-group__lead{font-size:14.5px;color:var(--text-2);line-height:1.75;margin:0 0 20px 15px;}
.nr-list{display:flex;flex-direction:column;gap:14px;}

.nr-item{
  display:flex;gap:16px;padding:16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.nr-item:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--sh-paper);}
.nr-item__thumb{
  flex:0 0 148px;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:var(--paper-2);
}
.nr-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.nr-item:hover .nr-item__thumb img{transform:scale(1.04);}
.nr-item__body{flex:1;min-width:0;}
.nr-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--neon-soft);border:1px solid rgba(198,242,78,.35);
  color:#3B4A14;font-size:11.5px;letter-spacing:.06em;font-weight:600;
}
.nr-item__title{
  margin:8px 0 6px;font-size:17px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nr-item__desc{
  font-size:14px;line-height:1.72;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nr-item__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:12px;font-size:12.5px;letter-spacing:.04em;color:var(--text-2);
}
.nr-arrow{color:var(--neon);font-weight:700;transition:transform var(--t);}
.nr-item:hover .nr-arrow{transform:translateX(4px);}

/* ---------- 侧栏 ---------- */
.nr-side{display:flex;flex-direction:column;gap:20px;}
.nr-side__box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-paper);
}
.nr-side__title{
  font-size:13px;letter-spacing:.12em;font-weight:600;color:var(--text-2);
  margin:0 0 16px;position:relative;padding-left:12px;
}
.nr-side__title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:2px;background:var(--sand);
}
.nr-chips{display:flex;flex-wrap:wrap;gap:8px;}
.nr-chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:34px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper-2);color:var(--text-2);
  font-size:13.5px;cursor:pointer;
  transition:border-color var(--t),background-color var(--t),color var(--t);
}
.nr-chip:hover{border-color:var(--neon);color:var(--text-1);}
.nr-chip.is-on{background:var(--neon);border-color:var(--neon);color:#0B0D0A;font-weight:600;}

.nr-hot li + li{border-top:1px solid var(--line);}
.nr-hot a{
  display:flex;align-items:baseline;gap:12px;padding:13px 0 13px 0;
  border-left:2px solid transparent;transition:border-color var(--t),padding-left var(--t);
}
.nr-hot a:hover{border-left-color:var(--neon);padding-left:10px;}
.nr-hot__num{flex:0 0 24px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--sand);}
.nr-hot__t{flex:1;font-size:14.5px;line-height:1.5;color:var(--text-1);}
.nr-hot__time{flex:0 0 auto;font-size:12px;color:var(--text-2);letter-spacing:.04em;}

.nr-form{display:flex;flex-direction:column;gap:12px;}
.nr-input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--text-1);font-size:14.5px;
  transition:border-color var(--t),box-shadow var(--t);
}
.nr-input::placeholder{color:rgba(90,97,82,.75);}
.nr-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(198,242,78,.28);}
.nr-form__hint{font-size:12.5px;line-height:1.7;color:var(--text-2);margin-top:12px;}
.nr-form__hint.is-ok{color:#3B4A14;}
.nr-form__hint.is-err{color:#B4441D;}

/* ---------- 赛程节奏 ---------- */
.nr-steps-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0;}
.nr-band__head{max-width:640px;margin-bottom:32px;}
.nr-band__head span{font-size:12px;letter-spacing:.14em;color:var(--sand);font-weight:600;}
.nr-band__head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin-top:10px;}
.nr-band__head p{font-size:15px;line-height:1.8;color:var(--text-2);margin-top:12px;}
.nr-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.nr-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.nr-step:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--sh-paper);}
.nr-step__num{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--sand);}
.nr-step h3{font-size:17.5px;font-weight:600;margin:12px 0 8px;}
.nr-step p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- FAQ ---------- */
.nr-faq-band{padding:72px 0 76px;}
.nr-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);position:relative;}
.nr-faq .accordion-item:first-child{border-top:1px solid var(--line);}
.nr-faq .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--neon);border-radius:2px;opacity:0;transition:opacity var(--t);
}
.nr-faq .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.nr-faq .accordion-button{
  position:relative;width:100%;background:transparent;border:0;border-radius:0;
  padding:20px 56px 20px 16px;
  font-size:17px;font-weight:600;color:var(--text-1);text-align:left;
  box-shadow:none;
}
.nr-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--neon);outline-offset:2px;}
.nr-faq .accordion-button:not(.collapsed){color:var(--text-1);background:transparent;box-shadow:none;}
.nr-faq .accordion-button::before{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;
  background:var(--sand);transform:translateY(-50%);
}
.nr-faq .accordion-button::after{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;
  background:var(--sand);transform:translateY(-50%) rotate(0deg);
  transition:transform var(--t),opacity var(--t);background-image:none;margin:0;
}
.nr-faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.nr-faq .accordion-body{padding:0 56px 24px 16px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA 带 ---------- */
.nr-cta{position:relative;padding:44px 0;overflow:hidden;}
.nr-cta::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,242,78,.55),rgba(227,198,135,.5),transparent);
}
.nr-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nr-cta__title{font-size:clamp(19px,2.2vw,24px);font-weight:700;color:var(--ink-0);position:relative;padding-left:0;}
.nr-cta__title::after{
  content:"";display:block;width:32px;height:1px;background:var(--sand);margin-top:12px;
}
.nr-cta__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.nr-footer{position:relative;background:var(--bg-0);color:var(--ink-0);}
.nr-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,242,78,.6),rgba(227,198,135,.5),transparent);
}
.nr-footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;
  padding:64px 0 40px;
}
.nr-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.nr-footer__grid p{font-size:14px;line-height:1.8;color:var(--ink-1);max-width:300px;}
.nr-footer__col h4{font-size:13px;letter-spacing:.1em;font-weight:600;color:var(--ink-1);margin:0 0 16px;}
.nr-footer__col li a{display:block;padding:8px 0;font-size:14.5px;color:var(--ink-1);}
.nr-footer__col li a:hover{color:var(--neon);}
.nr-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--bg-line);padding:20px 0 28px;
  font-size:12px;letter-spacing:.04em;color:var(--ink-1);
}
.nr-footer .nr-input{background:rgba(255,255,255,.04);border-color:var(--bg-line);color:var(--ink-0);}
.nr-footer .nr-input::placeholder{color:rgba(155,164,142,.85);}
.nr-footer .nr-input:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(198,242,78,.2);}
.nr-footer .nr-form__hint{color:var(--ink-1);}
.nr-footer .nr-form__hint.is-ok{color:var(--neon);}
.nr-footer .nr-form__hint.is-err{color:#FF9A72;}

/* ---------- 动效 ---------- */
.nr-reveal{opacity:0;transform:translateY(8px);transition:opacity 420ms cubic-bezier(.2,.7,.2,1),transform 420ms cubic-bezier(.2,.7,.2,1);}
.nr-reveal.is-in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .nr-footer__grid{gap:28px;}
}
@media (max-width:991px){
  .nr-menu{display:none;}
  .nr-burger{display:flex;}
  .nr-banner__inner{flex-direction:column;align-items:flex-start;gap:22px;min-height:0;padding-top:44px;padding-bottom:30px;}
  .nr-steps{grid-template-columns:1fr 1fr;}
  .nr-footer__grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
  .nr-cta__inner{flex-direction:column;align-items:flex-start;}
}
@media (min-width:992px){
  .nr-side{position:sticky;top:88px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .nr-section{padding:48px 0 56px;}
  .nr-steps-band{padding:48px 0;}
  .nr-faq-band{padding:52px 0 56px;}
  .nr-banner__img{opacity:.42;}
  .nr-banner__stats{gap:18px;flex-wrap:wrap;}
  .nr-item__thumb{flex:0 0 118px;}
  .nr-steps{grid-template-columns:1fr;}
  .nr-footer__bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .nr-container{padding:0 16px;}
  .nr-brand__text{font-size:17px;}
  .nr-item{flex-direction:column;gap:12px;}
  .nr-item__thumb{flex:none;width:100%;}
  .nr-faq .accordion-button{font-size:16px;padding:18px 48px 18px 12px;}
  .nr-faq .accordion-body{padding:0 48px 20px 12px;}
  .nr-group__lead{margin-left:0;}
  .nr-group__head h2{padding-left:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .nr-reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B0D0A;
  --bg-1:#13170F;
  --bg-line:rgba(198,242,78,.16);
  --neon:#C6F24E;
  --neon-soft:rgba(198,242,78,.12);
  --neon-glow:0 0 0 1px rgba(198,242,78,.28), 0 18px 44px -26px rgba(198,242,78,.45);
  --sand:#E3C687;
  --ember:#FF6B35;
  --paper:#F6F7F3;
  --paper-2:#EDEFE8;
  --text-1:#14170F;
  --text-2:#5A6152;
  --ink-0:#F1F4E8;
  --ink-1:#9BA48E;
  --line-light:rgba(20,23,15,.10);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-light:0 1px 2px rgba(16,20,12,.05), 0 20px 44px -34px rgba(16,20,12,.28);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--paper);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
.nr-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1440px){.nr-container{max-width:1280px}}

/* ---------- header ---------- */
.nr-header{position:sticky;top:0;z-index:1030;background:rgba(11,13,10,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.nr-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(198,242,78,0),rgba(198,242,78,.55),rgba(227,198,135,.45),rgba(198,242,78,0))}
.nr-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;transition:height .22s var(--ease)}
.nr-header.is-stuck .nr-nav{height:56px}
.nr-brand{display:flex;align-items:center;gap:10px;color:var(--ink-0);font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.nr-brand__mark{width:10px;height:10px;background:var(--neon);transform:skewX(-14deg);box-shadow:0 0 12px rgba(198,242,78,.7);flex:0 0 auto}
.nr-brand__text{line-height:1}
.nr-menu{display:flex;align-items:center;gap:2px}
.nr-menu__item{position:relative;padding:10px 14px;color:var(--ink-1);font-size:15px;border-radius:var(--r-md);transition:color .2s var(--ease),background-color .2s var(--ease)}
.nr-menu__item:hover{color:var(--ink-0);background:rgba(198,242,78,.06)}
.nr-menu__item.active{color:var(--ink-0)}
.nr-menu__item.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--neon);box-shadow:0 0 8px rgba(198,242,78,.85)}
.nr-nav__right{display:flex;align-items:center;gap:12px}
.nr-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-md);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nr-btn--sm{height:38px;padding:0 16px;font-size:14px}
.nr-btn--primary{background:var(--neon);color:#0B0D0A;border-color:var(--neon)}
.nr-btn--primary:hover{transform:translateY(-2px);box-shadow:var(--neon-glow)}
.nr-btn--primary:active{transform:translateY(0)}
.nr-btn--ghost{background:transparent;color:var(--ink-0);border-color:rgba(198,242,78,.42)}
.nr-btn--ghost:hover{background:var(--neon);color:#0B0D0A;border-color:var(--neon);transform:translateY(-2px)}
.nr-btn--line{background:transparent;color:var(--text-1);border-color:var(--line-light)}
.nr-btn--line:hover{border-color:var(--neon);color:var(--text-1);box-shadow:0 12px 30px -24px rgba(20,23,15,.5);transform:translateY(-2px)}
.nr-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.nr-burger{display:none;width:44px;height:44px;border:1px solid rgba(198,242,78,.42);border-radius:var(--r-md);background:transparent;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.nr-burger span{display:block;width:18px;height:2px;background:var(--neon);transition:transform .2s var(--ease)}
.nr-burger:hover{background:rgba(198,242,78,.1)}
.nr-offcanvas{background:var(--bg-0);color:var(--ink-0);border-left:1px solid var(--bg-line)}
.nr-offcanvas .offcanvas-header{border-bottom:1px solid var(--bg-line);padding:20px}
.nr-offcanvas .offcanvas-title{font-size:17px;font-weight:800;color:var(--ink-0)}
.nr-offcanvas__close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.nr-offcanvas__close:hover{opacity:1}
.nr-offcanvas .offcanvas-body{padding:12px 0}
.nr-offlink{display:flex;align-items:center;min-height:56px;padding:0 22px;color:var(--ink-1);font-size:16px;border-left:3px solid transparent;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
.nr-offlink:hover{color:var(--ink-0);background:rgba(198,242,78,.06)}
.nr-offlink.active{color:var(--ink-0);border-left-color:var(--neon);background:rgba(198,242,78,.08)}

/* ---------- page head ---------- */
.nr-pagehead{position:relative;overflow:hidden;background:var(--bg-0);color:var(--ink-0);padding:64px 0 56px}
.nr-pagehead__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.34}
.nr-pagehead__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(198,242,78,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(198,242,78,.07) 1px,transparent 1px);background-size:24px 24px;opacity:.5}
.nr-pagehead::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0B0D0A 0%,rgba(11,13,10,.9) 48%,rgba(11,13,10,.55) 100%)}
.nr-pagehead .nr-container{position:relative;z-index:1}
.nr-crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-1);letter-spacing:.04em;margin-bottom:20px}
.nr-crumb a{color:var(--ink-1);transition:color .2s var(--ease)}
.nr-crumb a:hover{color:var(--neon)}
.nr-crumb span[aria-hidden]{color:rgba(227,198,135,.6)}
.nr-crumb__current{color:var(--ink-0)}
.nr-pagehead__title{font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.02em;max-width:820px}
.nr-pagehead__lead{margin-top:18px;max-width:660px;font-size:17px;line-height:1.8;color:var(--ink-1)}
.nr-stats{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px}
.nr-stats__item{display:flex;align-items:baseline;gap:8px}
.nr-stats__item+.nr-stats__item{padding-left:18px;border-left:1px solid rgba(227,198,135,.45)}
.nr-stats__label{font-size:12px;letter-spacing:.14em;color:var(--ink-1)}
.nr-stats__num{font-size:20px;font-weight:800;color:var(--neon);font-feature-settings:"tnum"}

/* ---------- anchor bar ---------- */
.nr-anchorbar{background:var(--paper);border-bottom:1px solid var(--line-light)}
.nr-anchorbar__inner{display:flex;align-items:center;gap:12px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.nr-anchorbar__inner::-webkit-scrollbar{display:none}
.nr-anchorbar__label{font-size:12px;letter-spacing:.14em;color:var(--text-2);white-space:nowrap}
.nr-chip{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line-light);background:#fff;font-size:14px;color:var(--text-2);white-space:nowrap;transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.nr-chip:hover{border-color:var(--neon);color:var(--text-1);transform:translateY(-2px)}

/* ---------- sections ---------- */
.nr-section{padding:88px 0}
.nr-section--tight{padding:64px 0}
.nr-section--paper2{background:var(--paper-2)}
.nr-sect__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.nr-kicker{display:block;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--text-2);margin-bottom:10px;padding-left:26px;position:relative}
.nr-kicker::before{content:"";position:absolute;left:0;top:50%;width:18px;height:1px;background:var(--sand)}
.nr-sect__title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;color:var(--text-1)}
.nr-sect__desc{max-width:420px;font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- cover grid ---------- */
.nr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.nr-tile{position:relative;display:block;min-height:260px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-light);background:var(--bg-1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.nr-tile--wide{grid-column:span 2}
.nr-tile__media{position:absolute;inset:0}
.nr-tile__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);opacity:.72}
.nr-tile:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--neon-glow)}
.nr-tile:hover .nr-tile__media img{transform:scale(1.04)}
.nr-tile__body{position:absolute;left:0;right:0;bottom:0;padding:22px;color:var(--ink-0);background:linear-gradient(180deg,rgba(11,13,10,0) 0%,rgba(11,13,10,.82) 52%,rgba(11,13,10,.94) 100%)}
.nr-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.06em;background:var(--neon-soft);color:#2C3A10;border:1px solid rgba(198,242,78,.5)}
.nr-tile__body .nr-pill{background:rgba(198,242,78,.16);color:var(--neon);border-color:rgba(198,242,78,.45)}
.nr-tile__title{margin-top:12px;font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-0);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nr-tile--wide .nr-tile__title{font-size:22px}
.nr-meta{display:block;margin-top:10px;font-size:12px;letter-spacing:.04em;color:var(--ink-1);font-feature-settings:"tnum"}
.nr-badge-hot{display:inline-flex;align-items:center;height:20px;padding:0 8px;margin-left:8px;border-radius:var(--r-sm);background:rgba(255,107,53,.16);border:1px solid rgba(255,107,53,.5);color:#FFB08A;font-size:11px;font-weight:600;letter-spacing:.06em}

/* ---------- pager ---------- */
.nr-pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.nr-pager a,.nr-pager span{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;border-radius:var(--r-md);border:1px solid var(--line-light);background:#fff;font-size:14px;color:var(--text-2);font-feature-settings:"tnum";transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.nr-pager a:hover{border-color:var(--neon);color:var(--text-1);transform:translateY(-2px)}
.nr-pager .is-current{background:var(--neon);border-color:var(--neon);color:#0B0D0A;font-weight:700}
.nr-pager .is-disabled{opacity:.45;pointer-events:none}

/* ---------- steps ---------- */
.nr-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.nr-step{position:relative;padding:26px 22px 24px;background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.nr-step::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;background:var(--neon);opacity:.85}
.nr-step:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--shadow-light)}
.nr-step__no{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--sand);font-feature-settings:"tnum"}
.nr-step__title{margin-top:12px;font-size:18px;font-weight:600;line-height:1.4}
.nr-step__text{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- faq ---------- */
.nr-faq{border-top:1px solid var(--line-light)}
.nr-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line-light)}
.nr-faq .accordion-button{position:relative;background:transparent;color:var(--text-1);font-size:17px;font-weight:600;line-height:1.6;padding:22px 54px 22px 18px;box-shadow:none;border-radius:0;transition:background-color .2s var(--ease)}
.nr-faq .accordion-button:hover{background:rgba(198,242,78,.06)}
.nr-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--neon);outline-offset:-2px}
.nr-faq .accordion-button:not(.collapsed){color:var(--text-1);background:var(--neon-soft)}
.nr-faq .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;background:var(--neon);border-radius:2px}
.nr-faq .accordion-button::after{content:"";width:14px;height:14px;background-image:linear-gradient(var(--neon),var(--neon)),linear-gradient(var(--neon),var(--neon));background-size:14px 2px,2px 14px;background-position:center,center;background-repeat:no-repeat;transform:none;transition:background-size .22s var(--ease)}
.nr-faq .accordion-button:not(.collapsed)::after{background-size:14px 2px,0 0}
.nr-faq .accordion-body{padding:0 18px 26px 18px;font-size:15px;line-height:1.85;color:var(--text-2)}
.nr-faq .accordion-body strong{color:var(--text-1)}

/* ---------- mini grid ---------- */
.nr-mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.nr-mini{display:flex;gap:14px;align-items:center;padding:14px;background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.nr-mini:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:var(--shadow-light)}
.nr-mini__thumb{width:64px;height:64px;flex:0 0 auto;border-radius:var(--r-md);overflow:hidden;background:var(--paper-2)}
.nr-mini__thumb img{width:100%;height:100%;object-fit:cover}
.nr-mini__title{font-size:14px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nr-mini__time{display:block;margin-top:6px;font-size:12px;color:var(--text-2);letter-spacing:.04em}

/* ---------- cta band ---------- */
.nr-cta{background:var(--bg-0);color:var(--ink-0);position:relative;overflow:hidden;padding:64px 0;border-top:1px solid var(--bg-line);border-bottom:1px solid var(--bg-line)}
.nr-cta__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.16}
.nr-cta .nr-container{position:relative;z-index:1}
.nr-cta__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.nr-cta__title{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3}
.nr-cta__line{flex:1 1 80px;height:1px;background:linear-gradient(90deg,rgba(227,198,135,.6),rgba(227,198,135,0));min-width:60px}
.nr-cta__actions{display:flex;flex-wrap:wrap;gap:12px}
.nr-cta__note{margin-top:14px;font-size:13px;color:var(--ink-1);letter-spacing:.04em}

/* ---------- footer ---------- */
.nr-footer{background:var(--bg-0);color:var(--ink-1);padding:64px 0 0;position:relative}
.nr-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,rgba(198,242,78,0),rgba(198,242,78,.5),rgba(227,198,135,.4),rgba(198,242,78,0))}
.nr-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.nr-footer__brand{display:flex;align-items:center;gap:10px;color:var(--ink-0);font-size:18px;font-weight:800}
.nr-footer p{font-size:14px;line-height:1.75;margin-top:16px;max-width:320px}
.nr-footer__col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--ink-0);margin-bottom:16px}
.nr-footer__col li+li{margin-top:10px}
.nr-footer__col a{font-size:14px;color:var(--ink-1);transition:color .2s var(--ease)}
.nr-footer__col a:hover{color:var(--neon)}
.nr-form{display:flex;gap:10px;margin-top:4px}
.nr-input{flex:1 1 auto;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-md);background:rgba(255,255,255,.04);border:1px solid rgba(198,242,78,.28);color:var(--ink-0);font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nr-input::placeholder{color:rgba(155,164,142,.85)}
.nr-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(198,242,78,.18)}
.nr-form__hint{margin-top:12px;font-size:12px;line-height:1.7;color:var(--ink-1)}
.nr-form__hint.is-error{color:#FFB08A}
.nr-form__hint.is-ok{color:var(--neon)}
.nr-footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 26px;border-top:1px solid var(--bg-line);font-size:12px;color:var(--ink-1);letter-spacing:.04em}

/* ---------- reveal ---------- */
.nr-reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.nr-reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nr-menu__item{padding:10px 10px;font-size:14px}
  .nr-section{padding:72px 0}
}
@media (max-width:991px){
  .nr-menu{display:none}
  .nr-burger{display:flex}
  .nr-grid{grid-template-columns:repeat(2,1fr)}
  .nr-tile--wide{grid-column:span 2}
  .nr-steps{grid-template-columns:repeat(2,1fr)}
  .nr-mini-grid{grid-template-columns:repeat(2,1fr)}
  .nr-footer__grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .nr-section{padding:64px 0}
  .nr-pagehead{padding:52px 0 46px}
}
@media (max-width:767px){
  body{font-size:15px}
  .nr-grid{grid-template-columns:1fr}
  .nr-tile--wide{grid-column:span 1}
  .nr-tile{min-height:240px}
  .nr-steps{grid-template-columns:1fr}
  .nr-mini-grid{grid-template-columns:1fr}
  .nr-section{padding:44px 0}
  .nr-pagehead{padding:40px 0 36px}
  .nr-pagehead__lead{font-size:15px}
  .nr-sect__head{margin-bottom:26px}
  .nr-cta{padding:48px 0}
  .nr-footer__grid{grid-template-columns:1fr;gap:28px}
  .nr-form{flex-direction:column}
  .nr-form .nr-btn{width:100%}
}
@media (max-width:479px){
  .nr-brand{font-size:17px}
  .nr-stats__item+.nr-stats__item{padding-left:14px}
  .nr-stats{gap:14px}
  .nr-tile__title{font-size:17px}
  .nr-tile--wide .nr-tile__title{font-size:19px}
  .nr-footer__bottom{font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .nr-reveal{opacity:1;transform:none}
  .nr-tile:hover,.nr-step:hover,.nr-mini:hover,.nr-chip:hover,.nr-btn:hover{transform:none}
}