/* roulang page: index */
:root{
  --bg-0:#0C0F0A;
  --bg-1:#12170F;
  --surface:#182014;
  --surface-2:#1F2A19;
  --kiwi:#7FC63F;
  --kiwi-deep:#4F8F22;
  --neon:#C8F24E;
  --peel:#3A2E1C;
  --text:#EDF3E5;
  --text-muted:#93A08A;
  --line:rgba(200,242,78,.14);
  --paper:#F4F7EC;
  --ink:#16200F;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow:0 20px 48px -28px rgba(0,0,0,.85);
  --shadow-hi:inset 0 1px 0 rgba(255,255,255,.04);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 82% -8%,rgba(127,198,63,.10),transparent 46%),radial-gradient(circle at 4% 30%,rgba(200,242,78,.05),transparent 40%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:linear-gradient(180deg,var(--bg-1),var(--bg-0))}
.section-head{max-width:720px;margin-bottom:48px}
.section-label{display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--neon);font-weight:700;margin-bottom:14px}
.section-title{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-sub{margin-top:14px;color:var(--text-muted);font-size:16px;max-width:640px}

/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(12,15,10,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--peel);transition:background .3s var(--ease),box-shadow .3s var(--ease)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(200,242,78,.7),transparent);opacity:.3;transition:opacity .3s var(--ease)}
.site-header.scrolled{background:rgba(9,12,8,.96);box-shadow:0 14px 34px -20px rgba(0,0,0,.95)}
.site-header.scrolled::after{opacity:1}
.nav-wrap{display:flex;align-items:center;gap:26px;min-height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;letter-spacing:-.01em;flex-shrink:0}
.logo-mark{width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 32% 32%,var(--neon),var(--kiwi-deep));box-shadow:0 0 0 3px rgba(200,242,78,.12),0 0 14px rgba(200,242,78,.55);position:relative;flex-shrink:0}
.logo-mark::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--bg-0);opacity:.35}
.logo-text em{font-style:normal;color:var(--kiwi)}
.nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{position:relative;padding:9px 14px;font-size:15px;color:var(--text-muted);border-radius:10px;transition:color .18s var(--ease),background .18s var(--ease)}
.nav-link:hover{color:var(--text);background:rgba(200,242,78,.06)}
.nav-link.active{color:var(--text);text-shadow:0 0 12px rgba(200,242,78,.35)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 10px rgba(200,242,78,.8)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:700;font-size:15px;line-height:1;padding:15px 28px;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--kiwi),var(--neon));color:#0B1006;box-shadow:0 12px 30px -16px rgba(200,242,78,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -14px rgba(200,242,78,.9),0 0 0 1px rgba(200,242,78,.35)}
.btn-primary:active{background:linear-gradient(135deg,var(--kiwi-deep),var(--kiwi));transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid rgba(200,242,78,.3);color:var(--text)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-lg{padding:17px 36px;font-size:16px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{position:relative;padding:88px 0 96px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,242,78,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,242,78,.05) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 30% 30%,#000,transparent 72%);-webkit-mask-image:radial-gradient(circle at 30% 30%,#000,transparent 72%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.14em;color:var(--neon);font-weight:700;padding:7px 16px;border:1px solid rgba(200,242,78,.28);border-radius:999px;background:rgba(200,242,78,.05);margin-bottom:24px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(200,242,78,.9)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800;line-height:1.18;letter-spacing:-.015em}
.hero h1 span{background:linear-gradient(100deg,var(--kiwi),var(--neon));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:17px;color:var(--text-muted);max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:4px}
.hero-stats strong{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--text);font-family:Inter,system-ui,sans-serif}
.hero-stats span{font-size:13px;color:var(--text-muted)}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow),var(--shadow-hi)}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:20px;aspect-ratio:4/3.1;transition:transform .5s var(--ease)}
.hero-visual:hover img{transform:scale(1.03)}
.hero-glow{position:absolute;inset:auto -20% -30% -10%;height:60%;background:radial-gradient(ellipse at center,rgba(127,198,63,.32),transparent 70%);pointer-events:none;filter:blur(12px)}
.hero-badge{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:rgba(9,12,8,.78);border:1px solid rgba(200,242,78,.3);font-size:13px;font-weight:600;backdrop-filter:blur(8px)}

/* ============ 主推方案网格 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow),var(--shadow-hi);transition:transform .18s var(--ease),border-color .18s var(--ease)}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(200,242,78,.42)}
.feature-card.is-wide{grid-column:span 2;flex-direction:row}
.feature-card.is-wide .card-media{flex:1.02;min-height:100%}
.feature-card.is-wide .card-body{flex:1;justify-content:center;padding:34px}
.card-media{overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:16/10;transition:transform .4s var(--ease)}
.feature-card:hover .card-media img{transform:scale(1.04)}
.feature-card.is-wide .card-media img{aspect-ratio:auto;min-height:300px}
.card-body{display:flex;flex-direction:column;gap:12px;padding:24px}
.tag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--neon);background:rgba(200,242,78,.09);border:1px solid rgba(200,242,78,.24);padding:5px 12px;border-radius:999px}
.card-title{font-size:1.125rem;font-weight:600;line-height:1.45}
.card-text{font-size:14.5px;color:var(--text-muted);line-height:1.75}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.card-meta span{font-size:12px;color:var(--text-muted);border:1px solid var(--line);border-radius:8px;padding:3px 10px}
.card-link{margin-top:auto;padding-top:14px;font-size:14px;font-weight:700;color:var(--kiwi);display:inline-flex;align-items:center;gap:6px;transition:color .18s var(--ease),gap .18s var(--ease)}
.card-link:hover{color:var(--neon);gap:10px}

/* ============ 评价轮播 ============ */
.reviews-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.review-nav{display:flex;gap:10px}
.review-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:.18s var(--ease)}
.review-btn:hover{border-color:var(--neon);color:var(--neon);box-shadow:0 0 18px -6px rgba(200,242,78,.7)}
.review-track{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:none}
.review-track::-webkit-scrollbar{display:none}
.review-card{position:relative;flex:0 0 380px;scroll-snap-align:start;background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 28px 26px;box-shadow:var(--shadow),var(--shadow-hi)}
.review-card::before{content:"”";position:absolute;top:8px;right:22px;font-size:72px;line-height:1;font-weight:800;color:rgba(200,242,78,.16)}
.review-text{font-size:15px;color:var(--text);line-height:1.85;position:relative;z-index:1}
.review-author{display:flex;align-items:center;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.review-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--kiwi),var(--neon));display:flex;align-items:center;justify-content:center;color:#0B1006;font-weight:800;font-size:14px}
.review-author b{font-size:14px;font-weight:700;display:block}
.review-author small{font-size:12px;color:var(--text-muted)}

/* ============ 保障条 ============ */
.assure{display:flex;flex-wrap:wrap;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);overflow:hidden;box-shadow:var(--shadow),var(--shadow-hi)}
.assure-item{flex:1 1 0;min-width:200px;display:flex;align-items:center;gap:14px;padding:26px 28px;border-right:1px solid var(--line)}
.assure-item:last-child{border-right:0}
.assure-icon{width:40px;height:40px;border-radius:12px;background:rgba(200,242,78,.08);border:1px solid rgba(200,242,78,.24);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--neon);font-weight:800;font-size:15px}
.assure-item b{display:block;font-size:15px;font-weight:700}
.assure-item small{font-size:12.5px;color:var(--text-muted)}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease)}
.faq-item[open]{border-color:rgba(200,242,78,.4);background:var(--surface-2);box-shadow:inset 3px 0 0 var(--neon)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 26px;font-size:16px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{position:relative;width:20px;height:20px;flex-shrink:0}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--kiwi);border-radius:2px;transition:transform .25s var(--ease),background .25s var(--ease)}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);background:var(--neon)}
.faq-item[open] .faq-plus::before{background:var(--neon)}
.faq-answer{padding:0 26px 24px;color:var(--text-muted);font-size:15px;line-height:1.85;max-width:760px}

/* ============ 最新信息 ============ */
.news-list{border-top:1px solid var(--line)}
.news-item{display:flex;gap:22px;align-items:flex-start;padding:24px 4px;border-bottom:1px solid var(--line);transition:background .2s var(--ease),padding-left .2s var(--ease)}
.news-item:hover{background:rgba(200,242,78,.045);padding-left:12px}
.news-thumb{flex:0 0 120px;width:120px;height:76px;border-radius:12px;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:12px;transition:transform .35s var(--ease)}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px}
.news-body h3{font-size:16.5px;font-weight:600;line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-body p{font-size:14px;color:var(--text-muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.badge{align-self:flex-start;font-size:12px;font-weight:700;color:var(--neon);background:rgba(200,242,78,.08);border:1px solid rgba(200,242,78,.22);padding:3px 11px;border-radius:999px}
.news-meta{display:flex;align-items:center;gap:16px;font-size:12.5px;color:var(--text-muted)}
.news-more{color:var(--kiwi);font-weight:700;margin-left:auto}
.empty-state{border:1.5px dashed rgba(200,242,78,.28);border-radius:var(--radius-card);padding:56px 24px;text-align:center;color:var(--text-muted);background:rgba(200,242,78,.02)}
.empty-state b{display:block;color:var(--text);font-size:16px;margin-bottom:8px}

/* ============ CTA ============ */
.cta-band{position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(200,242,78,.28);padding:64px 56px;background:linear-gradient(120deg,rgba(24,32,20,.96),rgba(12,15,10,.96))}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.2;mix-blend-mode:luminosity}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 88% 24%,rgba(200,242,78,.22),transparent 58%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.32}
.cta-inner p{margin-top:16px;color:var(--text-muted);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:14px;justify-self:end;width:100%;max-width:320px}
.cta-actions .btn{width:100%}
.cta-note{font-size:12.5px;color:var(--text-muted);text-align:center}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--bg-1);border-top:1px solid var(--peel);position:relative}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(200,242,78,.7),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 32px 44px}
.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-muted);max-width:260px;line-height:1.8}
.footer-chip{display:inline-block;margin-top:18px;font-size:12.5px;color:var(--neon);border:1px solid rgba(200,242,78,.28);border-radius:999px;padding:5px 14px}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col strong{font-size:13px;letter-spacing:.1em;color:var(--text);margin-bottom:6px;font-weight:700}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-muted);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--neon)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding:22px 32px;border-top:1px solid rgba(200,242,78,.1);font-size:13px;color:var(--text-muted)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .44s var(--ease),transform .44s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-card.is-wide{grid-column:span 2}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-self:start;max-width:100%}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:span 3}
}
@media (max-width:900px){
  .nav{position:fixed;left:0;right:0;top:74px;bottom:0;flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:26px 24px;background:rgba(10,13,9,.985);border-top:1px solid var(--line);transform:translateY(-14px);opacity:0;pointer-events:none;transition:transform .28s var(--ease),opacity .28s var(--ease);overflow-y:auto}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{width:100%;padding:16px 12px;font-size:17px;border-bottom:1px solid rgba(200,242,78,.08);border-radius:0}
  .nav-link.active::after{left:12px;right:auto;width:28px;bottom:8px}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
  .section{padding:64px 0}
  .assure-item{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line)}
  .assure-item:last-child{border-bottom:0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:56px 0 64px}
  .hero-stats{gap:26px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card.is-wide{grid-column:span 1;flex-direction:column}
  .feature-card.is-wide .card-media img{aspect-ratio:16/10;min-height:0}
  .review-card{flex:0 0 300px;padding:26px 22px}
  .review-nav{display:none}
  .news-item{gap:14px}
  .news-thumb{flex:0 0 92px;width:92px;height:64px}
  .cta-band{padding:40px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 20px 32px}
  .footer-grid .footer-col:last-child{grid-column:span 2}
  .footer-bottom{padding:20px;flex-direction:column}
}
@media (max-width:520px){
  .hero h1{font-size:clamp(1.85rem,7.4vw,2.3rem)}
  .hero-actions .btn{width:100%}
  .hero-stats{flex-direction:column;gap:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid .footer-col:last-child{grid-column:span 1}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;height:160px;flex:0 0 auto}
}

/* roulang page: article */
:root{
  --bg-0:#0C0F0A;
  --bg-1:#12170F;
  --surface:#182014;
  --surface-2:#1F2A19;
  --kiwi:#7FC63F;
  --kiwi-deep:#4F8F22;
  --neon:#C8F24E;
  --peel:#3A2E1C;
  --text:#EDF3E5;
  --text-muted:#93A08A;
  --line:rgba(200,242,78,.14);
  --paper:#F4F7EC;
  --ink:#16200F;
  --ink-soft:#3F4A34;
  --radius:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 20px 48px -28px rgba(0,0,0,.85);
  --shadow-soft:0 24px 60px -34px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 460px at 82% -6%,rgba(127,198,63,.10),transparent 62%),
    radial-gradient(760px 420px at 4% 12%,rgba(200,242,78,.06),transparent 60%),
    var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(12,15,10,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--peel);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,12,7,.95);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.95),inset 0 -1px 0 rgba(200,242,78,.22);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,var(--neon) 0%,var(--kiwi) 46%,var(--kiwi-deep) 100%);
  box-shadow:0 0 0 1px rgba(200,242,78,.45),0 0 18px rgba(200,242,78,.35);
  position:relative;flex:none;
}
.logo-mark::after{
  content:"";position:absolute;inset:5px;border-radius:50%;
  background:radial-gradient(circle at 60% 65%,rgba(12,15,10,.55) 0 2px,transparent 3px),
             radial-gradient(circle at 35% 55%,rgba(12,15,10,.5) 0 1.6px,transparent 3px);
}
.logo-text{font-size:19px;color:var(--text)}
.logo-text em{font-style:normal;color:var(--neon);margin-left:2px}
.nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:10px 15px;border-radius:var(--pill);
  color:var(--text-muted);font-size:15px;font-weight:600;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:6px;height:2px;border-radius:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(200,242,78,.06)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);text-shadow:0 0 14px rgba(200,242,78,.4)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle:hover{border-color:rgba(200,242,78,.45);background:rgba(200,242,78,.06)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--kiwi) 0%,var(--neon) 100%);
  color:#101809;
  box-shadow:0 14px 30px -18px rgba(200,242,78,.75);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px -18px rgba(200,242,78,.9);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,var(--kiwi-deep),var(--kiwi))}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(200,242,78,.5);color:var(--neon);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ ARTICLE HERO ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 52px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(100deg,rgba(9,12,7,.96) 0%,rgba(9,12,7,.82) 46%,rgba(9,12,7,.62) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,242,78,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(200,242,78,.06) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;pointer-events:none;
}
.article-hero .container{position:relative}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:22px}
.breadcrumb a{color:var(--text-muted);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb a:hover{color:var(--neon);border-color:rgba(200,242,78,.5)}
.breadcrumb span.sep{color:rgba(147,160,138,.6)}
.breadcrumb span.now{color:var(--text)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(58,46,28,.42);
  font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--neon);margin-bottom:18px;
}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(200,242,78,.8)}
.article-title{
  font-size:clamp(1.75rem,3.4vw,2.55rem);
  line-height:1.32;font-weight:800;letter-spacing:-.01em;max-width:900px;
}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13.5px;color:var(--text-muted)}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(200,242,78,.55)}
.meta-pill{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(24,32,20,.7);color:var(--text);font-size:13px;font-weight:600;
}

/* ============ LAYOUT ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;
  padding:52px 0 96px;align-items:start;
}
.article-paper{
  background:var(--paper);color:var(--ink);
  border-radius:var(--radius);
  padding:clamp(24px,4vw,52px);
  box-shadow:var(--shadow-soft);
  border:1px solid rgba(58,46,28,.16);
}
.entry-content{font-size:16.8px;line-height:1.85;color:var(--ink)}
.entry-content > * + *{margin-top:0}
.entry-content p{margin:0 0 1.4em;color:#1F2A19}
.entry-content h2{
  font-size:clamp(1.24rem,2vw,1.5rem);font-weight:800;line-height:1.45;
  margin:2.2em 0 .85em;padding-left:15px;border-left:3px solid var(--kiwi-deep);color:var(--ink);
}
.entry-content h3{
  font-size:1.125rem;font-weight:700;margin:1.8em 0 .7em;color:#22301A;
}
.entry-content h3::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--kiwi);margin-right:10px;vertical-align:middle;box-shadow:0 0 10px rgba(127,198,63,.6)}
.entry-content ul,.entry-content ol{margin:0 0 1.4em;padding-left:0}
.entry-content ul li{position:relative;padding-left:22px;margin-bottom:.6em;color:#243020}
.entry-content ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--kiwi),var(--neon))}
.entry-content ol{counter-reset:item}
.entry-content ol li{position:relative;padding-left:34px;margin-bottom:.7em;counter-increment:item;color:#243020}
.entry-content ol li::before{
  content:counter(item);position:absolute;left:0;top:.18em;width:22px;height:22px;border-radius:8px;
  background:var(--peel);color:var(--neon);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.entry-content img{border-radius:14px;margin:1.8em auto;box-shadow:0 18px 40px -30px rgba(0,0,0,.6)}
.entry-content figure{margin:1.8em 0}
.entry-content figcaption{text-align:center;font-size:13px;color:#66705C;margin-top:10px}
.entry-content a{color:#3C6B15;border-bottom:1px solid rgba(79,143,34,.42);transition:color .2s var(--ease),border-color .2s var(--ease)}
.entry-content a:hover{color:#274A0C;border-color:#274A0C}
.entry-content blockquote{
  margin:1.8em 0;padding:18px 22px;border-left:3px solid var(--kiwi);
  background:rgba(127,198,63,.12);border-radius:0 14px 14px 0;color:#2A3A1E;
}
.entry-content blockquote p{margin:0;color:#2A3A1E}
.entry-content strong{font-weight:800;color:#16200F}
.entry-content hr{border:0;height:1px;background:rgba(58,46,28,.18);margin:2.4em 0}
.entry-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.entry-content th,.entry-content td{border:1px solid rgba(58,46,28,.18);padding:11px 14px;text-align:left}
.entry-content th{background:rgba(58,46,28,.08);font-weight:700}
.empty-state{padding:26px 0;text-align:center}
.empty-state h2{font-size:1.2rem;color:var(--ink);margin-bottom:10px}
.empty-state p{color:#5A6550;margin-bottom:18px}
.empty-state .btn-primary{color:#101809}

/* ============ SIDEBAR ============ */
.side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:98px}
.info-card{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-1) 100%);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
}
.info-card h2,.info-card h3{font-size:15px;font-weight:800;letter-spacing:.02em;margin-bottom:16px;color:var(--text)}
.info-list li{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(200,242,78,.14);font-size:14px}
.info-list li:last-child{border-bottom:0}
.info-list span:first-child{color:var(--text-muted)}
.info-list span:last-child{color:var(--text);font-weight:700;text-align:right}
.side-note{font-size:13.5px;color:var(--text-muted);margin-bottom:18px;line-height:1.7}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--text);
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.side-links a::after{content:"→";color:var(--neon)}
.side-links a:hover{border-color:rgba(200,242,78,.45);background:rgba(200,242,78,.06);transform:translateX(3px)}

/* ============ TAG ROW ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(58,46,28,.16)}
.tag-row .tag-label{font-size:12px;letter-spacing:.14em;font-weight:800;color:#66705C}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--pill);
  background:rgba(58,46,28,.1);border:1px solid rgba(58,46,28,.18);
  font-size:13px;font-weight:600;color:#2A3A1E;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:rgba(79,143,34,.55);color:#274A0C}

/* ============ RELATED ============ */
.related{margin-top:26px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px}
.related-head h2{font-size:clamp(1.2rem,2vw,1.45rem);font-weight:800}
.related-head span{font-size:13px;color:var(--text-muted)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(200,242,78,.42);box-shadow:var(--shadow-soft)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:1rem;font-weight:700;line-height:1.5}
.rel-body p{font-size:13.5px;color:var(--text-muted);line-height:1.7}
.rel-more{margin-top:auto;font-size:13px;font-weight:700;color:var(--neon);display:inline-flex;align-items:center;gap:6px}
.badge{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--pill);
  background:rgba(58,46,28,.6);border:1px solid rgba(200,242,78,.22);
  font-size:11.5px;letter-spacing:.1em;font-weight:800;color:var(--neon);width:fit-content;
}
.back-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(96deg,rgba(9,12,7,.95) 0%,rgba(12,16,10,.86) 55%,rgba(12,16,10,.72) 100%),
    url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:40px;align-items:center;padding:86px 0}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;line-height:1.4;margin-bottom:14px}
.cta-inner p{color:var(--text-muted);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-points{display:grid;gap:12px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.cta-points li::before{content:"";flex:none;width:8px;height:8px;margin-top:.62em;border-radius:3px;background:linear-gradient(135deg,var(--kiwi),var(--neon));box-shadow:0 0 10px rgba(200,242,78,.55)}

/* ============ FOOTER ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--peel);position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--kiwi),var(--neon),transparent);opacity:.75;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px}
.footer-logo{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-muted);max-width:320px;line-height:1.8}
.footer-chip{
  display:inline-flex;align-items:center;margin-top:18px;padding:6px 13px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(58,46,28,.42);font-size:12.5px;color:var(--neon);font-weight:600;
}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col strong{font-size:13px;letter-spacing:.14em;color:var(--text);margin-bottom:6px;font-weight:800}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-muted);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--neon)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 30px;border-top:1px solid rgba(200,242,78,.12);
}
.footer-bottom p{font-size:13px;color:rgba(147,160,138,.85)}

/* ============ MOTION ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .44s var(--ease),transform .44s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side-col{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;padding:70px 0}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;inset:74px 0 0 0;z-index:110;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:26px 24px 40px;
    background:rgba(9,12,7,.98);
    border-top:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .nav{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  .nav-link{padding:16px 14px;font-size:16.5px;border-radius:14px;border:1px solid transparent}
  .nav-link::after{display:none}
  .nav-link.active{border-color:rgba(200,242,78,.32);background:rgba(200,242,78,.07)}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .article-hero{padding:40px 0 38px}
  .article-layout{padding:36px 0 64px}
  .article-paper{padding:24px 20px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-points{gap:10px}
  .cta-inner{padding:56px 0}
}
@media (max-width:520px){
  .logo-text{font-size:16.5px}
  .btn{padding:13px 20px;font-size:14.5px}
  .entry-meta{font-size:13px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
  .back-row .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#0C0F0A;
  --bg-1:#12170F;
  --surface:#182014;
  --surface-2:#1F2A19;
  --kiwi:#7FC63F;
  --kiwi-deep:#4F8F22;
  --neon:#C8F24E;
  --peel:#3A2E1C;
  --text:#EDF3E5;
  --text-muted:#93A08A;
  --line:rgba(200,242,78,.14);
  --paper:#F4F7EC;
  --ink:#16200F;
  --radius-card:16px;
  --radius-btn:999px;
  --radius-input:12px;
  --radius-img:14px;
  --shadow-lg:0 20px 48px -28px rgba(0,0,0,.85);
  --shadow-hi:inset 0 1px 0 rgba(255,255,255,.04);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(200,242,78,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,242,78,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease)}
a:hover{color:var(--neon)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}
::selection{background:var(--neon);color:var(--ink)}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  margin-bottom:14px;
}
.section-head p{color:var(--text-muted);font-size:16px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:700;
  color:var(--neon);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:linear-gradient(90deg,var(--kiwi),var(--neon));
  border-radius:2px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(12,15,10,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(58,46,28,.9);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,242,78,.55),transparent);
  opacity:0;
  transition:opacity .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(9,12,8,.95);box-shadow:0 18px 40px -30px rgba(0,0,0,.95)}
.site-header.is-scrolled::after{opacity:1}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:13px;height:13px;border-radius:50%;
  background:radial-gradient(circle at 34% 32%,var(--neon),var(--kiwi) 58%,var(--kiwi-deep));
  box-shadow:0 0 0 4px rgba(200,242,78,.12),0 0 16px rgba(200,242,78,.5);
  flex:none;
}
.logo-text{font-size:18px;color:var(--text)}
.logo-text em{font-style:normal;color:var(--neon);margin-left:2px}
.nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  color:var(--text-muted);
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(200,242,78,.06)}
.nav-link::after{
  content:"";
  position:absolute;
  left:15px;
  right:15px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--kiwi),var(--neon));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link.active{color:var(--neon);text-shadow:0 0 14px rgba(200,242,78,.35)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(31,42,25,.7);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .18s var(--ease);
}
.nav-toggle span{width:17px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .18s var(--ease)}
.nav-toggle:hover{border-color:rgba(200,242,78,.42)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:var(--radius-btn);
  padding:14px 28px;
  font-size:15.5px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),border-color .18s var(--ease),color .18s var(--ease),filter .18s var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,var(--kiwi),var(--neon));
  color:var(--ink);
  box-shadow:0 14px 30px -18px rgba(200,242,78,.85),var(--shadow-hi);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 20px 40px -18px rgba(200,242,78,.9)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(120deg,var(--kiwi-deep),var(--kiwi))}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(200,242,78,.75);color:var(--neon);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:26px 0 0;
  font-size:13.5px;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--text)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 88px;overflow:hidden}
.hero::before{
  content:"";
  position:absolute;
  top:-160px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(127,198,63,.20),transparent 68%);
  filter:blur(6px);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  margin-bottom:20px;
}
.hero h1 span{color:var(--neon)}
.hero-sub{
  color:var(--text-muted);
  font-size:17px;
  max-width:34em;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat-num{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:800;
  color:var(--neon);
  letter-spacing:-.02em;
  line-height:1.1;
}
.stat-label{display:block;font-size:13px;color:var(--text-muted);margin-top:6px}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:4/3.1;
  object-fit:cover;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg),var(--shadow-hi);
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:auto -14px -14px auto;
  width:120px;height:120px;
  border-right:2px solid rgba(200,242,78,.5);
  border-bottom:2px solid rgba(200,242,78,.5);
  border-radius:0 0 18px 0;
  pointer-events:none;
}
.hero-badge{
  position:absolute;
  top:18px;left:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(12,15,10,.82);
  border:1px solid var(--line);
  font-size:12.5px;
  font-weight:700;
  color:var(--neon);
  letter-spacing:.06em;
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px var(--neon);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Cards two columns ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.feature-card{
  display:grid;
  grid-template-columns:148px minmax(0,1fr);
  gap:22px;
  align-items:center;
  padding:22px;
  border-radius:var(--radius-card);
  background:linear-gradient(160deg,var(--surface),var(--bg-1));
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg),var(--shadow-hi);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(200,242,78,.42)}
.feature-thumb{overflow:hidden;border-radius:var(--radius-img)}
.feature-thumb img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:var(--radius-img);
  transition:transform .28s var(--ease);
}
.feature-card:hover .feature-thumb img{transform:scale(1.03)}
.feature-card h3{font-size:1.125rem;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14.5px;color:var(--text-muted);line-height:1.7}
.tag{
  display:inline-block;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(58,46,28,.85);
  border:1px solid var(--line);
  color:var(--neon);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:10px;
}

/* ---------- Spec list ---------- */
.spec-section{background:linear-gradient(180deg,var(--bg-1),var(--bg-0));border-top:1px solid rgba(58,46,28,.7);border-bottom:1px solid rgba(58,46,28,.7)}
.spec-panel{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--surface);
  overflow:hidden;
  box-shadow:var(--shadow-lg),var(--shadow-hi);
}
.spec-row{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:24px;
  padding:22px 28px;
  border-bottom:1px solid rgba(200,242,78,.09);
  transition:background .18s var(--ease);
}
.spec-row:last-child{border-bottom:none}
.spec-row:hover{background:rgba(200,242,78,.04)}
.spec-key{
  font-weight:700;
  font-size:15px;
  display:flex;
  align-items:center;
  gap:10px;
}
.spec-key::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px rgba(200,242,78,.8);
  flex:none;
}
.spec-val{font-size:15px;color:var(--text-muted);line-height:1.75}

/* ---------- Checklist ---------- */
.check-wrap{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:56px;
  align-items:start;
}
.check-list{display:grid;gap:14px}
.check-list li{
  display:flex;
  gap:14px;
  padding:16px 18px;
  border-radius:12px;
  background:var(--surface);
  border:1px solid var(--line);
  font-size:15px;
  color:var(--text);
  line-height:1.7;
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.check-list li:hover{border-color:rgba(200,242,78,.42);transform:translateY(-3px)}
.check-list li::before{
  content:"✓";
  flex:none;
  width:22px;height:22px;
  border-radius:7px;
  background:linear-gradient(120deg,var(--kiwi),var(--neon));
  color:var(--ink);
  font-size:13px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}
.note-block{
  border-left:3px solid var(--neon);
  padding:18px 22px;
  background:rgba(31,42,25,.66);
  border-radius:0 12px 12px 0;
  color:var(--text-muted);
  font-size:15px;
  margin-top:26px;
}
.note-block strong{color:var(--neon)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--surface);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item[open]{border-color:rgba(200,242,78,.42)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 26px 20px 34px;
  font-weight:700;
  font-size:16.5px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--kiwi),var(--neon));
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary::after{
  content:"+";
  flex:none;
  width:26px;height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  border:1px solid var(--line);
  color:var(--neon);
  font-size:16px;
  font-weight:700;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 26px 22px 34px;color:var(--text-muted);font-size:15px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:22px;
  padding:56px 48px;
  background:linear-gradient(140deg,var(--surface-2),var(--bg-1) 60%);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-lg),var(--shadow-hi);
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-120px;right:-80px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,242,78,.18),transparent 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px;position:relative}
.cta-band p{color:var(--text-muted);max-width:44em;margin-bottom:30px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--bg-1);
  border-top:1px solid rgba(58,46,28,.9);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,242,78,.65),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 32px 40px;
}
.footer-brand .footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  margin-bottom:14px;
}
.footer-brand p{color:var(--text-muted);font-size:14px;line-height:1.75;max-width:26em;margin-bottom:18px}
.footer-chip{
  display:inline-block;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--neon);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.05em;
}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col strong{
  font-size:14px;
  letter-spacing:.08em;
  color:var(--text);
  margin-bottom:4px;
  font-weight:800;
}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-muted)}
.footer-col a:hover{color:var(--neon)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  justify-content:space-between;
  align-items:center;
  padding:20px 32px 34px;
  border-top:1px solid rgba(200,242,78,.09);
}
.footer-bottom p{font-size:13px;color:var(--text-muted)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .44s var(--ease),transform .44s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{order:-1}
  .check-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .nav{
    position:fixed;
    top:74px;left:0;right:0;
    bottom:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:28px 24px 40px;
    background:rgba(10,13,9,.98);
    backdrop-filter:blur(16px);
    transform:translateY(-10px);
    opacity:0;
    visibility:hidden;
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
    overflow-y:auto;
  }
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav-link{padding:15px 16px;font-size:17px;border-bottom:1px solid rgba(200,242,78,.08);border-radius:0}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(200,242,78,.07)}
  .nav-toggle{display:flex}
  .nav-actions .btn-sm{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:32px}
  .hero{padding:44px 0 60px}
  .card-grid{grid-template-columns:1fr}
  .feature-card{grid-template-columns:112px minmax(0,1fr);gap:16px;padding:18px}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:18px 20px}
  .cta-band{padding:38px 22px}
  .footer-grid{grid-template-columns:1fr;padding:48px 20px 32px;gap:28px}
  .footer-bottom{padding:18px 20px 30px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
}
@media (max-width:520px){
  body{font-size:16px}
  .logo-text{font-size:16px}
  .hero h1{font-size:1.85rem}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .faq-item summary{padding:17px 18px 17px 24px;font-size:15.5px}
  .faq-body{padding:0 18px 18px 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0C0F0A;
  --bg-1:#12170F;
  --surface:#182014;
  --surface-2:#1F2A19;
  --kiwi:#7FC63F;
  --kiwi-deep:#4F8F22;
  --neon:#C8F24E;
  --peel:#3A2E1C;
  --text:#EDF3E5;
  --text-muted:#93A08A;
  --line:rgba(200,242,78,.14);
  --paper:#F4F7EC;
  --ink:#16200F;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --shadow:0 20px 48px -28px rgba(0,0,0,.85);
  --inset:inset 0 1px 0 rgba(255,255,255,.04);
  --ease:cubic-bezier(.22,.61,.36,1);
  --section-y:96px;
  --gap:24px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(200,242,78,.3);color:#fff;}
section[id]{scroll-margin-top:92px;}

/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(12,15,10,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,12,7,.96);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.9),inset 0 -1px 0 rgba(200,242,78,.22);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;}
.logo-mark{
  width:12px;height:12px;border-radius:50%;flex:0 0 auto;
  background:radial-gradient(circle at 32% 30%,#FFFFFF 0 8%,var(--neon) 34%,var(--kiwi) 68%,var(--kiwi-deep) 100%);
  box-shadow:0 0 10px rgba(200,242,78,.75),0 0 22px rgba(127,198,63,.35);
}
.logo-text{font-size:1.06rem;color:var(--text);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--kiwi);}
.nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:10px 14px;font-size:.95rem;color:var(--text-muted);
  border-radius:8px;transition:color .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px rgba(200,242,78,.75);
  transform:scaleX(0);transform-origin:left center;transition:transform .26s var(--ease);
}
.nav-link:hover::after{transform:scaleX(.55);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{transform:scaleX(1);}
.nav-link-cta{display:none;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .26s var(--ease),opacity .2s var(--ease),background .22s var(--ease);}
.nav-toggle:hover{border-color:var(--neon);}
.nav-toggle:hover span{background:var(--neon);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:.95rem;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .18s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--kiwi),var(--neon));
  color:#111A08;
  box-shadow:0 10px 26px -14px rgba(127,198,63,.85),var(--inset);
}
.btn-primary:hover{
  transform:translateY(-2px);filter:brightness(1.05);
  box-shadow:0 0 0 1px rgba(200,242,78,.45),0 16px 34px -14px rgba(200,242,78,.58);
}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,var(--kiwi-deep),var(--kiwi));}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(200,242,78,.25);}
.btn-sm{padding:9px 18px;font-size:.88rem;}

/* ============ 分类首屏 ============ */
.cat-hero{position:relative;overflow:hidden;padding:84px 0 72px;border-bottom:1px solid var(--line);}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.30;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 16% 18%,rgba(127,198,63,.16),transparent 62%),
    linear-gradient(112deg,rgba(12,15,10,.97) 12%,rgba(12,15,10,.80) 52%,rgba(12,15,10,.55) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--text-muted);margin-bottom:24px;}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{opacity:.45;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.76rem;font-weight:700;letter-spacing:.16em;
  color:var(--neon);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--neon));}
.cat-hero h1{
  margin-top:16px;font-size:clamp(2.05rem,4.6vw,3.4rem);font-weight:800;
  line-height:1.16;letter-spacing:-.01em;max-width:17em;
}
.hero-lead{margin-top:18px;max-width:640px;font-size:1.05rem;line-height:1.85;color:#C7D2BC;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:18px;font-size:.85rem;color:var(--text-muted);}

/* ============ 数据条 ============ */
.metrics{
  margin-top:54px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:linear-gradient(180deg,rgba(24,32,20,.92),rgba(18,23,15,.88));
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow),var(--inset);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.metric{padding:24px 26px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric b{
  display:block;font-family:Inter,system-ui,sans-serif;font-size:1.85rem;font-weight:800;
  letter-spacing:-.02em;color:var(--neon);line-height:1.2;
}
.metric span{display:block;margin-top:6px;font-size:.82rem;color:var(--text-muted);}

/* ============ 板块 ============ */
.section{padding:var(--section-y) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-top:14px;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--text-muted);font-size:1rem;}

/* ============ 编号行式卡片 ============ */
.row-list{display:flex;flex-direction:column;gap:14px;}
.row-card{
  position:relative;display:grid;grid-template-columns:72px minmax(0,1fr) auto;
  align-items:center;gap:22px;padding:26px 30px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow),var(--inset);
  transition:transform .18s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.row-card::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 12px rgba(200,242,78,.8);
  opacity:0;transition:opacity .22s var(--ease);
}
.row-card:hover{transform:translateY(-4px);border-color:rgba(200,242,78,.42);background:var(--surface-2);}
.row-card:hover::before{opacity:1;}
.row-num{
  font-family:Inter,system-ui,sans-serif;font-size:1.55rem;font-weight:800;
  letter-spacing:-.03em;color:rgba(200,242,78,.42);transition:color .22s var(--ease);
}
.row-card:hover .row-num{color:var(--neon);}
.row-body h3{font-size:1.09rem;font-weight:600;margin-bottom:6px;}
.row-body p{color:var(--text-muted);font-size:.93rem;line-height:1.7;}
.row-arrow{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-muted);
  transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.row-card:hover .row-arrow{color:var(--neon);border-color:var(--neon);transform:translateX(5px);}

/* ============ 状态面板 ============ */
.status-panel{
  padding:36px 34px;
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow),var(--inset);
}
.status-list{display:grid;gap:26px;}
.status-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 20px;align-items:baseline;}
.status-item h3{font-size:1rem;font-weight:600;}
.status-item p{grid-column:1 / -1;color:var(--text-muted);font-size:.88rem;}
.status-item em{
  font-style:normal;font-size:.76rem;font-weight:700;letter-spacing:.08em;
  color:var(--neon);border:1px solid rgba(200,242,78,.35);
  border-radius:var(--r-pill);padding:3px 12px;white-space:nowrap;
}
.status-track{grid-column:1 / -1;height:4px;border-radius:4px;background:rgba(255,255,255,.06);overflow:hidden;}
.status-track i{
  display:block;height:100%;width:var(--w,80%);border-radius:4px;
  background:linear-gradient(90deg,var(--kiwi),var(--neon));
  box-shadow:0 0 12px rgba(200,242,78,.55);
}

/* ============ 引用式说明块 ============ */
.quote-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:44px;align-items:center;}
.quote-figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.quote-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease);}
.quote-figure:hover img{transform:scale(1.03);}
.quote-figure figcaption{
  position:absolute;left:16px;bottom:16px;
  font-size:.78rem;color:#D8E2CE;
  background:rgba(12,15,10,.72);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 14px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.quote-body{position:relative;padding-left:26px;border-left:2px solid rgba(200,242,78,.4);}
.quote-body blockquote{font-size:1.14rem;line-height:1.9;color:#DDE6D4;}
.quote-body blockquote strong{color:var(--neon);}
.quote-list{margin-top:26px;display:grid;gap:12px;}
.quote-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--text-muted);}
.quote-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--kiwi);box-shadow:0 0 8px rgba(127,198,63,.8);
}

/* ============ 折叠面板 ============ */
.faq{display:grid;gap:12px;max-width:920px;}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:0 24px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:-1px;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 12px rgba(200,242,78,.75);
  opacity:0;transition:opacity .24s var(--ease);
}
.faq-item[open]{border-color:rgba(200,242,78,.42);background:var(--surface-2);}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:20px 0;font-size:1.02rem;font-weight:600;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:1.35rem;line-height:1;color:var(--neon);
  transition:transform .28s var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--neon);}
.faq-answer{padding:0 0 22px;color:var(--text-muted);font-size:.95rem;line-height:1.85;max-width:72ch;}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid var(--line);padding:64px 48px;
  background:linear-gradient(120deg,rgba(31,42,25,.95),rgba(18,23,15,.96));
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 300px at 88% 8%,rgba(200,242,78,.18),transparent 60%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.2fr) auto;gap:32px;align-items:center;}
.cta-inner h2{font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.35;font-weight:700;}
.cta-inner p{margin-top:12px;color:#C7D2BC;font-size:.98rem;max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--bg-1);border-top:1px solid var(--line);}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,242,78,.72),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px;}
.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;color:var(--text);}
.footer-brand p{margin-top:14px;color:var(--text-muted);font-size:.9rem;line-height:1.8;max-width:30ch;}
.footer-chip{
  display:inline-block;margin-top:16px;font-size:.76rem;letter-spacing:.08em;
  color:var(--neon);border:1px solid rgba(200,242,78,.3);
  border-radius:var(--r-pill);padding:5px 14px;
}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col strong{font-size:.92rem;font-weight:700;color:var(--text);margin-bottom:6px;letter-spacing:.04em;}
.footer-col a,.footer-col span{font-size:.88rem;color:var(--text-muted);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--neon);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--text-muted);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(18px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .44s var(--ease),transform .44s var(--ease);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section-y:76px;}
  .container{padding:0 24px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .quote-grid{gap:32px;}
}
@media (max-width:900px){
  .nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 40px;
    background:rgba(10,13,8,.985);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .32s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .nav{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-link{padding:18px 4px;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link-cta{display:block;color:var(--neon);}
  .nav-toggle{display:inline-flex;}
  .quote-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-band{padding:44px 28px;}
}
@media (max-width:768px){
  :root{--section-y:56px;}
  .container{padding:0 20px;}
  .nav-wrap{height:64px;}
  .nav{top:64px;}
  .cat-hero{padding:58px 0 52px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:nth-child(odd){border-right:1px solid var(--line);}
  .metric:nth-last-child(-n+2){border-bottom:0;}
  .row-card{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:22px 20px;}
  .row-arrow{display:none;}
  .status-panel{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
}
@media (max-width:520px){
  .logo-text{font-size:.98rem;}
  .nav-actions .btn-sm{display:none;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0 !important;border-bottom:1px solid var(--line) !important;}
  .metric:last-child{border-bottom:0 !important;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item{padding:0 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .quote-body{padding-left:18px;}
}

/* ============ 动效偏好 ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
  .reveal.is-in{transition:none;}
  .btn:hover,.row-card:hover,.quote-figure:hover img{transform:none;}
  .nav{transition:none;}
}