/* roulang page: index */
:root{
  --ink:#0E1211;
  --ink-soft:#1A211F;
  --paper:#F5F6F1;
  --surface:#FFFFFF;
  --line:#E1E5DA;
  --lime:#B6F235;
  --lime-ink:#1B3A12;
  --deep:#12502C;
  --accent:#FF5A2B;
  --muted:#5F6A63;
  --text:#101614;
  --r-tag:6px;
  --r-card:14px;
  --r-panel:22px;
  --r-btn:10px;
  --sh-s:0 1px 2px rgba(16,22,20,.06);
  --sh-l:0 18px 34px -22px rgba(16,22,20,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:PingFang SC,HarmonyOS Sans SC,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:640px){.container-x{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px}}
.reading-x{width:100%;max-width:760px;margin:0 auto}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background-color .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(245,246,241,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-s);
}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;gap:12px}
.nav-col{display:flex;align-items:center;min-width:0}
.nav-col-right{justify-content:flex-end}
.nav-links-desktop{display:none;align-items:center;gap:32px}
@media (min-width:1024px){.nav-links-desktop{display:flex}}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 2px;white-space:nowrap;transition:color .2s ease-out}
.nav-link::after{content:'';position:absolute;left:0;bottom:-2px;height:3px;width:0;border-radius:3px;background:var(--lime);transition:width .2s ease-out}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{width:100%}
.logo-wrap{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% 100%,18% 100%);
}
.logo-mark i{display:block;width:15px;height:15px;border-radius:50%;border:3px solid var(--lime);border-right-color:transparent;transform:rotate(-35deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:0}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0}
.site-header:not(.is-scrolled) .logo-text strong{color:var(--ink)}
.icon-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;transition:border-color .2s ease-out,background-color .2s ease-out;
}
.icon-btn:hover{border-color:var(--deep)}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:var(--surface)}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.burger{display:none}.icon-btn-mobile{display:none}}
@media (max-width:1023px){.icon-btn-mobile{display:flex}}
.mobile-drawer{
  position:fixed;left:0;right:0;top:76px;z-index:55;
  background:var(--paper);border-bottom:1px solid var(--line);
  transform:translateY(-14px);opacity:0;pointer-events:none;
  transition:transform .25s ease-out,opacity .25s ease-out;
  max-height:calc(100vh - 76px);overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-drawer a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-drawer a.m-link.is-active{color:var(--deep)}
.mobile-drawer a.m-link span.dot{width:8px;height:8px;border-radius:50%;background:var(--lime)}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;
}
.btn-primary{background:var(--lime);color:var(--lime-ink);box-shadow:var(--sh-s)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-l);background:#c4f95c}
.btn-outline{border:1px solid var(--deep);color:var(--deep);background:transparent}
.btn-outline:hover{background:rgba(18,80,44,.06);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#EDF1EA;border:1px solid var(--ink)}
.btn-dark:hover{background:var(--ink-soft);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:12px;font-weight:600;background:rgba(182,242,53,.18);color:var(--deep);letter-spacing:0;
}
.tag-accent{background:rgba(255,90,43,.12);color:#B23713}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-tag);
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.sec-title{position:relative;padding-left:42px;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35;color:var(--ink)}
.sec-title::before{content:'';position:absolute;left:0;top:.62em;width:28px;height:4px;border-radius:999px;background:var(--lime)}
.sec-sub{font-size:15px;color:var(--muted);margin-top:10px;line-height:1.8}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-s);transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{border-color:var(--deep);box-shadow:var(--sh-l);transform:translateY(-3px)}
.soft-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel)}
.divider-dotted{border:0;border-top:1px dashed var(--line);margin:0}
.link-deep{color:var(--deep);font-weight:600;border-bottom:1px solid rgba(18,80,44,.35);transition:border-color .2s ease-out,color .2s ease-out}
.link-deep:hover{border-bottom-color:var(--deep)}

/* ============ Hero ============ */
.hero-wrap{position:relative;overflow:hidden;padding-top:110px;padding-bottom:0;background:var(--paper)}
.hero-wave{position:absolute;inset:0;pointer-events:none;opacity:.5}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:44px;align-items:center;padding-bottom:64px}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;min-height:620px;padding-bottom:80px}}
.hero-h1{font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.2;color:var(--ink);margin-top:20px}
.hero-h1 em{font-style:normal;background:linear-gradient(180deg,transparent 62%,rgba(182,242,53,.75) 62%);padding:0 2px}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:var(--muted);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;font-size:13px;color:var(--muted)}
.hero-meta i{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.phone-shell{
  position:relative;width:100%;max-width:300px;margin:0 auto;
  background:var(--ink);border-radius:28px;padding:10px;box-shadow:var(--sh-l);
}
.phone-screen{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:9/17.5;background:var(--ink-soft)}
.phone-screen img{width:100%;height:100%;object-fit:cover}
.phone-float{
  position:absolute;right:14px;bottom:14px;background:rgba(255,255,255,.96);
  border-radius:12px;padding:10px 12px;width:158px;box-shadow:0 12px 24px -14px rgba(0,0,0,.55);
}
.phone-float b{display:block;font-size:12px;color:var(--ink);font-weight:700}
.phone-float small{display:block;font-size:11px;color:var(--muted);line-height:1.5}
.phone-float .bar{height:5px;border-radius:99px;background:var(--line);margin-top:8px;overflow:hidden}
.phone-float .bar i{display:block;height:100%;width:82%;background:var(--lime);border-radius:99px}
.watermark-num{
  position:absolute;right:6%;top:14%;font-size:clamp(120px,20vw,220px);font-weight:800;
  color:var(--ink);opacity:.05;line-height:1;pointer-events:none;user-select:none;
}
.hero-strip{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.hero-strip-grid{display:grid;grid-template-columns:repeat(2,1fr)}
@media (min-width:768px){.hero-strip-grid{grid-template-columns:repeat(4,1fr)}}
.hero-strip-item{padding:22px 4px 24px;border-right:1px dashed var(--line)}
.hero-strip-item:nth-child(2n){border-right:0}
.hero-strip-item:nth-child(n+3){border-top:1px dashed var(--line)}
@media (min-width:768px){
  .hero-strip-item{border-top:0 !important;border-right:1px dashed var(--line)}
  .hero-strip-item:last-child{border-right:0}
}
.hero-strip-item b{display:block;font-size:26px;font-weight:800;color:var(--ink);line-height:1.2}
.hero-strip-item span{font-size:13px;color:var(--muted)}

/* ============ 编号价值区 ============ */
.value-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.value-row{grid-template-columns:1fr 1fr;gap:56px}}
.value-row.reverse .value-media{order:2}
@media (min-width:1024px){.value-row.reverse .value-media{order:2}.value-row.reverse .value-text{order:1}}
.value-media{border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.value-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.value-num{font-size:13px;font-weight:800;color:var(--deep);letter-spacing:0}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.point-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text)}
.point-list li::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 8px}
.wide-card{background:var(--ink);border-radius:var(--r-panel);color:#E9EDE6;overflow:hidden}
@media (min-width:1024px){.wide-card-grid{display:grid;grid-template-columns:1fr 1fr}}
.wide-card-body{padding:32px}
@media (min-width:768px){.wide-card-body{padding:44px}}
.wide-card .sec-title{color:#fff}
.wide-card .sec-title::before{background:var(--lime)}
.wide-card p.lead{color:rgba(233,237,230,.72);font-size:15px;margin-top:12px}
.wide-card-img{min-height:240px}
.wide-card-img img{width:100%;height:100%;object-fit:cover}

/* ============ 截图轮播 ============ */
.shot-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 18px;scrollbar-width:none;-ms-overflow-style:none;
}
.shot-track::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 240px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s ease-out,transform .2s ease-out;
}
@media (min-width:768px){.shot-card{flex:0 0 280px}}
.shot-card:hover{border-color:var(--deep);transform:translateY(-3px)}
.shot-card img{width:100%;aspect-ratio:3/4;object-fit:cover;background:var(--paper)}
.shot-card-body{padding:14px 16px 18px}
.shot-card-body h3{font-size:15px;font-weight:700;color:var(--ink)}
.shot-card-body p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.7}
.shot-nav{display:flex;gap:10px}
.shot-nav button{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:border-color .2s ease-out,opacity .2s ease-out;
}
.shot-nav button:hover{border-color:var(--deep)}
.shot-nav button.is-disabled{opacity:.32;pointer-events:none}
.shot-progress{height:4px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:6px}
.shot-progress i{display:block;height:100%;width:18%;background:var(--lime);border-radius:99px;transition:width .18s ease-out}

/* ============ 规格区 ============ */
.spec-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px}
.spec-group h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.spec-group h3::before{content:'';width:10px;height:10px;border-radius:3px;background:var(--lime)}
.spec-row{display:grid;grid-template-columns:1fr;gap:2px;padding:14px 0;border-bottom:1px dashed var(--line)}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
@media (min-width:640px){.spec-row{grid-template-columns:128px 1fr;gap:16px;align-items:baseline}}
.spec-row dt{font-size:13px;color:var(--muted)}
.spec-row dd{margin:0;font-size:15px;font-weight:600;color:var(--text);line-height:1.7}

/* ============ 数据条 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-cell{background:var(--surface);padding:28px 20px;text-align:center}
.stat-cell b{display:block;font-size:clamp(28px,4vw,38px);font-weight:800;color:var(--ink);line-height:1.1}
.stat-cell span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* ============ 评价墙 ============ */
.review-cols{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media (min-width:768px){.review-cols{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.review-cols{grid-template-columns:repeat(3,1fr)}}
.review-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;transition:border-color .2s ease-out,transform .2s ease-out}
.review-card:hover{border-color:var(--deep);transform:translateY(-3px)}
.stars{color:var(--accent);font-size:13px;letter-spacing:.06em;line-height:1}
.review-card p.body{margin-top:12px;font-size:15px;color:var(--text);line-height:1.8}
.review-foot{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:0 0 34px}
.avatar.a{background:var(--ink);color:#EDF1EA}
.avatar.b{background:var(--deep);color:#EAF5EC}
.review-foot small{display:block;font-size:12px;color:var(--muted);line-height:1.5}

/* ============ 下载深色区 ============ */
.slash-band{position:relative;background:var(--ink);color:#E9EDE6;clip-path:polygon(0 34px,100% 0,100% 100%,0 100%);padding-top:76px;padding-bottom:76px}
.dl-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){.dl-grid{grid-template-columns:1.15fr .85fr;gap:48px}}
.slash-band h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35}
.slash-band .sub{color:rgba(233,237,230,.7);font-size:15px;margin-top:12px;max-width:30em}
.dl-actions{display:flex;flex-direction:column;gap:12px}
@media (min-width:640px){.dl-actions{flex-direction:row;flex-wrap:wrap;align-items:center}}
.qr-card{width:132px;background:#fff;border-radius:12px;padding:10px;text-align:center}
.qr-card .qr-box{width:100%;aspect-ratio:1;background:repeating-linear-gradient(45deg,#0E1211 0 6px,#fff 6px 12px);border-radius:6px}
.qr-card small{display:block;font-size:11px;color:var(--muted);margin-top:8px}
.dl-check{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:13px;color:rgba(233,237,230,.72)}
.dl-check span{display:inline-flex;align-items:center;gap:8px}
.dl-check span::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* ============ CMS 列表 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.news-grid{grid-template-columns:1.1fr .9fr;gap:28px}}
.news-feature{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--surface);display:block;transition:border-color .2s ease-out,transform .2s ease-out}
.news-feature:hover{border-color:var(--deep);transform:translateY(-3px)}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--paper)}
.news-feature .nf-body{padding:20px 22px 24px}
.news-feature h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;transition:border-color .2s ease-out,transform .2s ease-out}
.news-item:hover{border-color:var(--deep);transform:translateX(3px)}
.news-item h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:12px;color:var(--muted)}
.news-foot .arrow{color:var(--deep);font-weight:700}
.news-empty{border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.6);padding:56px 24px;text-align:center;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.news-empty b{font-size:16px;color:var(--ink);font-weight:700}
.news-empty span{font-size:14px;color:var(--muted);margin-top:8px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease-out}
.faq-item.is-open{border-color:var(--deep)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-item.is-open .faq-q::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime)}
.faq-arrow{flex:0 0 auto;transition:transform .2s ease-out;color:var(--muted);font-size:14px;line-height:1}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(233,237,230,.76);padding-top:56px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(233,237,230,.6)}
.footer-brand .logo-mark{background:rgba(255,255,255,.08)}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:26em;color:rgba(233,237,230,.68)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(233,237,230,.7);padding:6px 0;transition:color .2s ease-out,transform .2s ease-out}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12px;color:rgba(233,237,230,.5)}

/* ============ 入场动画 ============ */
@media (prefers-reduced-motion: no-preference){
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease-out,transform .55s ease-out}
  .reveal.is-visible{opacity:1;transform:none}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* roulang page: article */
:root{
    --ink:#0E1211;
    --ink-soft:#1A211F;
    --paper:#F5F6F1;
    --surface:#FFFFFF;
    --line:#E1E5DA;
    --lime:#B6F235;
    --lime-ink:#1B3A12;
    --deep:#12502C;
    --accent:#FF5A2B;
    --muted:#5F6A63;
    --text:#101614;
    --radius-tag:6px;
    --radius-card:14px;
    --radius-panel:22px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(16,22,20,.06);
    --shadow-lift:0 18px 34px -22px rgba(16,22,20,.35);
    --ease:200ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:'PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea,select{font:inherit;color:inherit;}
  button{cursor:pointer;background:none;border:0;padding:0;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:768px){.container-x{padding:0 24px;}}
  @media (min-width:1024px){.container-x{padding:0 32px;}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(245,246,241,.86);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(245,246,241,.95);
    border-bottom-color:var(--line);
    box-shadow:var(--shadow-sm);
  }
  .nav-grid{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:12px;
    height:76px;
  }
  .nav-col{display:flex;align-items:center;gap:4px;min-width:0;}
  .nav-col-left{justify-content:flex-start;}
  .nav-col-right{justify-content:flex-end;}
  .nav-links-desktop{display:flex;align-items:center;gap:2px;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 10px 10px;
    font-size:15px;
    font-weight:500;
    color:var(--muted);
    transition:color var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:'';
    position:absolute;left:10px;right:10px;bottom:2px;height:2px;
    background:var(--lime);border-radius:2px;
    transform:scaleX(0);transform-origin:left;
    transition:transform var(--ease);
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--text);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);height:3px;}

  .logo-wrap{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
  .logo-mark{
    position:relative;flex:none;
    width:36px;height:36px;border-radius:10px;
    background:var(--ink);
    transform:skewX(-8deg);
    display:grid;place-items:center;
    overflow:hidden;
  }
  .logo-mark i{
    display:block;width:15px;height:15px;border-radius:50%;
    border:2px solid var(--lime);
    transform:skewX(8deg);
  }
  .logo-mark::after{
    content:'';position:absolute;left:6px;right:6px;bottom:7px;height:2px;
    background:var(--lime);opacity:.7;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-text strong{font-size:19px;font-weight:800;letter-spacing:.01em;}
  .logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.02em;}

  .burger{
    display:none;
    width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line);background:var(--surface);
    flex-direction:column;align-items:center;justify-content:center;gap:4px;
    transition:border-color var(--ease),background var(--ease);
  }
  .burger span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
  .burger:hover{border-color:var(--deep);}
  body.drawer-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  body.drawer-open .burger span:nth-child(2){opacity:0;}
  body.drawer-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .icon-btn{
    display:none;
    width:40px;height:40px;border-radius:10px;
    background:var(--lime);
    align-items:center;justify-content:center;
    transition:transform var(--ease),background var(--ease);
  }
  .icon-btn:hover{transform:translateY(-1px);background:#a9e523;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;
    border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;
    white-space:nowrap;
    transition:transform var(--ease),background var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
  }
  .btn-primary{background:var(--lime);color:var(--lime-ink);border:1px solid var(--lime);}
  .btn-primary:hover{background:#a9e523;border-color:#a9e523;transform:translateY(-2px);box-shadow:var(--shadow-lift);}
  .btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);}
  .btn-ghost:hover{border-color:var(--deep);color:var(--deep);transform:translateY(-2px);}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .nav-cta{display:inline-flex;margin-left:10px;}

  .mobile-drawer{
    position:fixed;left:0;right:0;top:76px;z-index:55;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px -28px rgba(16,22,20,.5);
    padding:18px 16px 26px;
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform var(--ease),opacity var(--ease);
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  body.drawer-open .mobile-drawer{transform:none;opacity:1;pointer-events:auto;}
  body.drawer-open{overflow:hidden;}
  .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
  .drawer-nav a{
    padding:13px 12px;border-radius:var(--radius-btn);
    font-size:16px;font-weight:500;color:var(--text);
    border:1px solid var(--line);background:var(--surface);
    transition:border-color var(--ease),color var(--ease);
  }
  .drawer-nav a:hover,.drawer-nav a.active{border-color:var(--deep);color:var(--deep);}
  .drawer-cta{width:100%;}

  @media (max-width:1023px){
    .burger{display:flex;}
    .nav-links-desktop{display:none;}
    .nav-cta{display:none;}
    .icon-btn-mobile{display:flex;}
    .nav-grid{height:64px;}
    .mobile-drawer{top:64px;max-height:calc(100vh - 64px);}
  }
  @media (min-width:1024px){
    .mobile-drawer{display:none;}
  }

  /* ---------- breadcrumb ---------- */
  .crumb-bar{padding:22px 0 0;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);}
  .crumb a{transition:color var(--ease);}
  .crumb a:hover{color:var(--deep);}
  .crumb .sep{color:#B9C0B3;}
  .crumb .current{color:var(--text);font-weight:600;}

  /* ---------- article ---------- */
  .article-shell{padding:26px 0 72px;}
  .article-inner{max-width:760px;margin:0 auto;}
  .article-cat{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:600;
    padding:5px 11px;border-radius:var(--radius-tag);
    background:rgba(182,242,53,.18);color:var(--deep);
  }
  .article-cat .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
  .article-title{
    font-size:clamp(30px,5vw,44px);
    font-weight:800;line-height:1.2;
    margin:16px 0 18px;
  }
  .article-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
    font-size:13px;color:var(--muted);
    padding-bottom:20px;border-bottom:1px solid var(--line);
  }
  .article-meta span{display:inline-flex;align-items:center;gap:6px;}
  .article-meta .k{color:#8A938B;}
  .article-cover{
    margin:26px 0 6px;border-radius:var(--radius-card);overflow:hidden;
    border:1px solid var(--line);background:var(--paper);
  }
  .article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .article-cover figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--line);background:var(--surface);}

  .article-body{padding:30px 0 0;}
  .article-body > *:first-child{margin-top:0;}
  .article-body h2{
    position:relative;
    font-size:clamp(22px,3vw,28px);font-weight:700;
    margin:40px 0 14px;
  }
  .article-body h2::before{
    content:'';display:block;width:28px;height:4px;border-radius:999px;
    background:var(--lime);margin-bottom:12px;
  }
  .article-body h3{font-size:19px;font-weight:600;margin:28px 0 10px;color:var(--text);}
  .article-body h4{font-size:16px;font-weight:600;margin:22px 0 8px;}
  .article-body p{font-size:16.5px;line-height:1.85;margin:0 0 18px;}
  .article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
  .article-body ul{list-style:disc;}
  .article-body ol{list-style:decimal;}
  .article-body li{margin:8px 0;font-size:16px;line-height:1.8;}
  .article-body li::marker{color:var(--deep);}
  .article-body blockquote{
    margin:0 0 20px;padding:16px 20px;
    background:var(--paper);
    border-left:3px solid var(--lime);
    border-radius:0 var(--radius-card) var(--radius-card) 0;
    color:var(--muted);font-size:15.5px;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:var(--radius-card);border:1px solid var(--line);margin:6px 0 20px;}
  .article-body a{color:var(--deep);text-decoration:underline;text-underline-offset:3px;}
  .article-body a:hover{color:#0C3A20;}
  .article-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px;}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
  .article-body th{background:var(--paper);font-weight:600;}
  .article-body code{background:#EDF1E5;border-radius:6px;padding:2px 6px;font-size:14px;}
  .article-body pre{
    background:var(--ink);color:#E9EDE6;border-radius:var(--radius-card);
    padding:16px 18px;overflow-x:auto;margin:0 0 20px;font-size:14px;line-height:1.7;
  }
  .article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}

  .empty-state{
    border:1px dashed var(--line);border-radius:var(--radius-card);
    background:var(--surface);
    padding:44px 24px;text-align:center;
  }
  .empty-state .icon{
    width:52px;height:52px;border-radius:14px;background:rgba(182,242,53,.2);
    display:grid;place-items:center;margin:0 auto 16px;
  }
  .empty-state h2{font-size:20px;font-weight:700;margin-bottom:8px;}
  .empty-state p{color:var(--muted);font-size:14px;margin-bottom:20px;}

  .inline-cta{
    margin:34px 0 0;
    background:rgba(182,242,53,.16);
    border:1px solid rgba(18,80,44,.14);
    border-radius:var(--radius-panel);
    padding:26px 24px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  }
  .inline-cta h3{font-size:20px;font-weight:700;margin-bottom:6px;}
  .inline-cta p{font-size:14px;color:#37503F;max-width:420px;}
  .inline-cta .actions{display:flex;flex-wrap:wrap;gap:10px;}

  .tag-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    margin:32px 0 0;padding:20px 0;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  .tag-row .label{font-size:13px;color:var(--muted);}
  .tag{
    display:inline-flex;align-items:center;
    font-size:12px;font-weight:600;
    padding:5px 10px;border-radius:var(--radius-tag);
    background:rgba(182,242,53,.18);color:var(--deep);
    transition:background var(--ease);
  }
  .tag:hover{background:rgba(182,242,53,.35);}
  .tag-line{background:var(--paper);color:var(--muted);border:1px solid var(--line);}
  .share-actions{margin-left:auto;display:flex;gap:8px;}
  .share-btn{
    height:36px;padding:0 14px;border-radius:var(--radius-btn);
    border:1px solid var(--line);background:var(--surface);
    font-size:13px;color:var(--muted);
    display:inline-flex;align-items:center;gap:6px;
    transition:border-color var(--ease),color var(--ease);
  }
  .share-btn:hover{border-color:var(--deep);color:var(--deep);}

  /* ---------- related ---------- */
  .section{padding:56px 0;}
  .section-head{margin-bottom:26px;}
  .section-head .eyebrow{
    display:flex;align-items:center;gap:10px;
    font-size:13px;font-weight:600;color:var(--deep);margin-bottom:10px;
  }
  .section-head .eyebrow::before{content:'';width:28px;height:4px;border-radius:999px;background:var(--lime);}
  .section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;}
  .section-head p{margin-top:10px;font-size:15px;color:var(--muted);}

  .card-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.card-grid.cols-3{grid-template-columns:repeat(3,1fr);}}

  .card{
    display:flex;flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .card:hover{border-color:var(--deep);transform:translateY(-3px);box-shadow:var(--shadow-lift);}
  .card .thumb{background:var(--paper);}
  .card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .card .body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
  .card .body h3{font-size:17px;font-weight:600;line-height:1.4;}
  .card .body p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7;}
  .card .foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);}
  .arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--deep);}
  .arrow-link svg{transition:transform var(--ease);}
  .arrow-link:hover svg{transform:translateX(3px);}

  /* ---------- back ---------- */
  .back-row{padding:8px 0 0;}
  .back-row .btn-ghost{width:auto;}

  /* ---------- faq ---------- */
  .faq-list{max-width:760px;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    border:1px solid var(--line);border-radius:12px;background:var(--surface);
    overflow:hidden;transition:border-color var(--ease);
  }
  .faq-item[open]{border-color:var(--deep);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;
    font-size:16px;font-weight:600;
    position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{
    content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
    background:transparent;transition:background var(--ease);
  }
  .faq-item[open] summary::before{background:var(--lime);}
  .faq-item summary .chev{
    flex:none;width:22px;height:22px;border-radius:50%;
    display:grid;place-items:center;color:var(--muted);
    transition:transform var(--ease),color var(--ease);
  }
  .faq-item[open] summary .chev{transform:rotate(180deg);color:var(--deep);}
  .faq-item .answer{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.8;}
  .faq-item .answer a{color:var(--deep);text-decoration:underline;text-underline-offset:3px;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:#E9EDE6;margin-top:24px;padding-top:56px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}}
  .footer-brand p{font-size:14px;color:rgba(233,237,230,.66);margin-top:14px;max-width:340px;line-height:1.75;}
  .footer-brand .logo-text strong{color:#FFFFFF;}
  .footer-brand .logo-text em{color:rgba(233,237,230,.55);}
  .footer-brand .logo-mark{background:#FFFFFF;}
  .footer-brand .logo-mark i{border-color:var(--deep);}
  .footer-brand .logo-mark::after{background:var(--deep);opacity:.85;}
  .footer-col h4{font-size:14px;color:#FFFFFF;margin-bottom:14px;font-weight:600;}
  .footer-col a{display:block;font-size:14px;color:rgba(233,237,230,.68);padding:6px 0;transition:color var(--ease),transform var(--ease);}
  .footer-col a:hover{color:var(--lime);transform:translateX(3px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:12px;color:rgba(233,237,230,.45);
  }

  .reveal{opacity:0;transform:translateY(12px);}
  .reveal.is-in{opacity:1;transform:none;transition:opacity 520ms ease-out,transform 520ms ease-out;}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition-duration:.01ms !important;}
    .reveal{opacity:1;transform:none;}
  }

/* roulang page: category1 */
:root{
  --ink:#0E1211;
  --ink-soft:#1A211F;
  --paper:#F5F6F1;
  --surface:#FFFFFF;
  --line:#E1E5DA;
  --lime:#B6F235;
  --lime-ink:#1B3A12;
  --deep:#12502C;
  --accent:#FF5A2B;
  --muted:#5F6A63;
  --text:#101614;
  --r-tag:6px;
  --r-card:14px;
  --r-panel:22px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,22,20,.06);
  --sh-2:0 18px 34px -22px rgba(16,22,20,.35);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.site-body h1,
body.site-body h2,
body.site-body h3,
body.site-body h4{
  margin:0;
  color:var(--text);
  font-style:normal;
  letter-spacing:.01em;
}
body.site-body p{margin:0 0 14px;}
body.site-body a{color:var(--deep);text-decoration:none;}
body.site-body img{display:block;max-width:100%;}
body.site-body ul{margin:0;padding:0;list-style:none;}
body.site-body button{font-family:inherit;}
body.site-body :focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
body.site-body .tnum{font-variant-numeric:tabular-nums;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){ .container-x{padding-left:24px;padding-right:24px;} }
@media (min-width:1024px){ .container-x{padding-left:32px;padding-right:32px;} }

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(245,246,241,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -20px rgba(16,22,20,.5);background:rgba(245,246,241,.96);}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:12px;
  height:76px;
}
.nav-col{display:flex;align-items:center;gap:20px;}
.nav-col-right{justify-content:flex-end;}
.nav-links-desktop{display:none;align-items:center;gap:22px;}
@media (min-width:1024px){ .nav-links-desktop{display:flex;} }
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 2px;
  transition:color .2s ease-out;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:var(--lime);
  border-radius:2px;
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{width:100%;height:3px;}

.logo-wrap{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;}
.logo-mark{
  width:32px;height:32px;
  border-radius:9px;
  background:var(--ink);
  display:grid;place-items:center;
  transform:skewX(-8deg);
  flex:none;
}
.logo-mark i{
  display:block;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:7px 0 0 -3px var(--lime);
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:16px;font-weight:800;}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.01em;}

.burger{
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease-out,opacity .2s ease-out;}
.burger:hover{border-color:var(--deep);}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media (min-width:1024px){ .burger{display:none;} }

.icon-btn{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.icon-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.icon-btn-mobile{display:inline-flex;}
@media (min-width:1024px){ .icon-btn-mobile{display:none;} }

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--paper);
  padding:24px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transform:translateY(-102%);
  transition:transform .28s ease-out;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:18px;color:var(--ink);line-height:1;
}
.mobile-drawer a.drawer-link{
  display:block;
  padding:14px 4px;
  font-size:17px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.active{color:var(--deep);font-weight:700;}
.drawer-cta{margin-top:20px;}

/* 通用按钮与标签 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn:active{transform:translateY(0);}
.btn-lime{background:var(--lime);color:var(--lime-ink);}
.btn-lime:hover{background:#a9eb26;}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--ink);}
.btn-ghost:hover{border-color:var(--deep);color:var(--deep);}
.btn-outline-light{background:transparent;color:#E9EDE6;border-color:rgba(233,237,230,.38);}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-block{width:100%;}
.btn-sm{height:42px;padding:0 16px;font-size:14px;}

.badge-dot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-tag);
  padding:6px 12px;
  margin-bottom:16px;
}
.badge-dot::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  flex:none;
}
.chip{
  display:inline-block;
  font-size:12.5px;
  color:var(--deep);
  background:rgba(182,242,53,.14);
  border-radius:var(--r-tag);
  padding:5px 10px;
}

/* 面包屑 */
.crumbs{font-size:12px;color:var(--muted);padding-top:18px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--deep);}
.crumbs .sep{margin:0 6px;color:#C3C9BD;}
.crumbs .cur{color:var(--ink);font-weight:600;}

/* 分类页 Hero */
.cat-hero{padding:28px 0 8px;}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
}
@media (min-width:1024px){
  .cat-hero-grid{grid-template-columns:6fr 5fr;gap:48px;padding:24px 0 8px;}
}
.cat-hero h1{
  font-size:clamp(30px,5vw,44px);
  font-weight:800;
  line-height:1.2;
  margin:0 0 14px;
}
.lede{font-size:16.5px;color:var(--muted);max-width:560px;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px;}
.dot-list li{
  position:relative;
  padding-left:16px;
  font-size:14.5px;
  color:var(--muted);
  margin-bottom:6px;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
}
.cat-hero-media{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh-2);
}
.cat-hero-media img{width:100%;height:100%;min-height:280px;max-height:440px;object-fit:cover;}
.media-tag{
  position:absolute;
  right:14px;bottom:14px;
  background:var(--lime);
  color:var(--lime-ink);
  font-size:13px;
  font-weight:600;
  border-radius:var(--r-tag);
  padding:6px 12px;
  font-variant-numeric:tabular-nums;
}

/* 信息条 */
.stat-bar{
  margin-top:28px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  display:grid;
  grid-template-columns:repeat(2,1fr);
}
@media (min-width:768px){ .stat-bar{grid-template-columns:repeat(4,1fr);} }
.stat-cell{padding:18px 16px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:none;}
@media (max-width:767px){
  .stat-cell:nth-child(2n){border-right:none;}
  .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
.stat-num{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.3;}
.stat-label{font-size:13px;color:var(--muted);}

/* 板块基础 */
.section-pad{padding:56px 0;}
@media (min-width:768px){ .section-pad{padding:80px 0;} }
@media (min-width:1024px){ .section-pad{padding:96px 0;} }
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  position:relative;
  padding-top:16px;
  line-height:1.3;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:28px;height:4px;
  border-radius:2px;
  background:var(--lime);
}
.sec-sub{font-size:15px;color:var(--muted);margin-top:12px;}

/* 交错图文步骤 */
.step-row{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
  padding:28px 0;
  border-top:1px solid var(--line);
}
.step-row:first-of-type{border-top:none;}
@media (min-width:1024px){
  .step-row{grid-template-columns:1fr 1fr;gap:56px;padding:36px 0;}
  .step-row.reverse .step-media{order:2;}
}
.step-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.step-media:hover{border-color:var(--deep);box-shadow:var(--sh-2);}
.step-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-no{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  color:var(--lime-ink);
  background:var(--lime);
  border-radius:var(--r-tag);
  padding:4px 10px;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.step-body p{color:var(--muted);font-size:15px;}
.link-deep{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--deep);
  border-bottom:1px solid rgba(18,80,44,.28);
  padding-bottom:2px;
  transition:border-color .2s ease-out,color .2s ease-out;
}
.link-deep:hover{border-color:var(--deep);}

.wide-card{
  margin-top:32px;
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:var(--surface);
  padding:28px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.wide-card:hover{border-color:var(--deep);box-shadow:var(--sh-2);}
@media (min-width:1024px){ .wide-card{padding:40px;} }
.wide-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){ .wide-grid{grid-template-columns:1fr 1fr;gap:48px;} }
.wide-card h3{font-size:20px;font-weight:600;margin-bottom:12px;}

/* 系统要求 */
.spec-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:var(--surface);
  padding:24px;
}
@media (min-width:1024px){ .spec-wrap{padding:36px;} }
.spec-groups{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){ .spec-groups{grid-template-columns:repeat(3,1fr);gap:40px;} }
.spec-group h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.spec-group h3::before{
  content:"";
  width:10px;height:10px;border-radius:3px;
  background:var(--deep);
  flex:none;
}
.spec-row{
  display:flex;
  gap:12px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
}
.spec-row:last-child{border-bottom:none;}
.spec-row dt{
  flex:0 0 104px;
  color:var(--muted);
  font-size:14px;
}
.spec-row dd{
  margin:0;
  font-weight:600;
  font-size:14.5px;
  font-variant-numeric:tabular-nums;
}
@media (max-width:640px){
  .spec-row{flex-direction:column;gap:2px;}
  .spec-row dt{flex:none;}
}

/* 下载区块 */
.dl-band{
  position:relative;
  background:var(--ink);
  color:#E9EDE6;
  margin-top:52px;
  padding:64px 0 48px;
}
.dl-band::before{
  content:"";
  position:absolute;
  top:-30px;left:0;right:0;
  height:60px;
  background:var(--ink);
  clip-path:polygon(0 46%,100% 0,100% 100%,0 100%);
}
.dl-band h2{
  color:#FFFFFF;
  font-size:clamp(22px,3vw,28px);
  font-weight:700;
  margin-bottom:12px;
}
.dl-band p{color:rgba(233,237,230,.72);font-size:15px;max-width:520px;}
.dl-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
  position:relative;
  z-index:2;
}
@media (min-width:1024px){ .dl-grid{grid-template-columns:1fr auto;gap:56px;} }
.dl-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  width:100%;
}
@media (min-width:768px){
  .dl-actions{flex-direction:row;align-items:center;}
  .dl-actions .btn-block{width:auto;}
}
.qr-card{
  width:120px;
  height:120px;
  background:#FFFFFF;
  border-radius:var(--r-card);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  flex:none;
  color:var(--ink);
}
.qr-box{
  width:64px;height:64px;
  border:1px dashed #B9C0B4;
  border-radius:6px;
  display:grid;
  place-items:center;
  font-size:11px;
  color:#8B948A;
}
.qr-card span{font-size:12px;color:#6B746A;}
.dl-note{
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid rgba(233,237,230,.18);
  font-size:13px;
  color:rgba(233,237,230,.6);
  font-variant-numeric:tabular-nums;
  max-width:none;
}

/* FAQ */
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease-out;
}
.faq-item.open{border-color:var(--deep);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  background:transparent;
  border:none;
  padding:16px 18px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  background:var(--lime);
  border-radius:2px;
  opacity:0;
  transition:opacity .2s ease-out;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-arrow{
  flex:none;
  width:18px;height:18px;
  transition:transform .2s ease-out;
  color:var(--muted);
}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--deep);}
.faq-a{
  display:none;
  padding:0 18px 18px 18px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}
.faq-item.open .faq-a{display:block;}

/* 底部 CTA */
.cta-band{padding:56px 0 72px;}
.cta-inner{
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:var(--surface);
  padding:28px;
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  align-items:center;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:1fr auto;padding:40px 44px;gap:40px;}
}
.cta-inner h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:15px;margin:0;}

/* 页脚 */
.site-footer{background:var(--ink);color:#E9EDE6;padding:56px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:40px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;} }
.site-footer .logo-wrap{color:#FFFFFF;margin-bottom:14px;}
.site-footer .logo-mark{background:var(--lime);}
.site-footer .logo-mark i{background:var(--ink);box-shadow:7px 0 0 -3px var(--ink);}
.site-footer .logo-text em{color:rgba(233,237,230,.55);}
.footer-brand p{color:rgba(233,237,230,.68);font-size:14px;max-width:340px;}
.footer-col h4{
  color:#FFFFFF;
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-col a{
  display:block;
  color:rgba(233,237,230,.68);
  font-size:14px;
  padding:5px 0;
  transition:color .2s ease-out,transform .2s ease-out;
}
.footer-col a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(233,237,230,.16);
  padding:18px 0 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:12px;
  color:rgba(233,237,230,.5);
}
@media (min-width:1024px){ .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;} }

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#0E1211;
  --ink-soft:#1A211F;
  --paper:#F5F6F1;
  --surface:#FFFFFF;
  --line:#E1E5DA;
  --lime:#B6F235;
  --lime-ink:#1B3A12;
  --deep:#12502C;
  --accent:#FF5A2B;
  --muted:#5F6A63;
  --text:#101614;
  --r-sm:6px;
  --r-md:14px;
  --r-lg:22px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,22,20,.06);
  --sh-2:0 18px 34px -22px rgba(16,22,20,.35);
  --font: "PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:var(--r-btn);}
::selection{background:var(--lime);color:var(--lime-ink);}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container-x{padding:0 24px;}}
@media (min-width:1280px){.container-x{padding:0 32px;}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(245,246,241,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background 200ms ease-out,border-color 200ms ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(245,246,241,.95);}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:10px;
  height:76px;
}
.nav-col{display:flex;align-items:center;gap:4px;min-width:0;}
.nav-col-right{justify-content:flex-end;}
.nav-links-desktop{display:none;}
@media (min-width:1024px){
  .nav-links-desktop{display:flex;align-items:center;gap:2px;}
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border-radius:8px;
  transition:color 200ms ease-out;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform 200ms ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{transform:scaleX(1);height:3px;}
.logo-wrap{display:inline-flex;align-items:center;gap:10px;padding:4px;border-radius:12px;}
.logo-mark{
  width:36px;height:36px;flex:none;display:grid;place-items:center;
  background:var(--ink);
  clip-path:polygon(0 0,100% 0,100% 74%,72% 100%,0 100%);
  border-radius:8px;
}
.logo-mark i{
  display:block;width:13px;height:13px;border-radius:50%;
  border:3px solid var(--lime);border-right-color:transparent;
  transform:rotate(-32deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11px;font-weight:600;color:var(--muted);}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;transition:border-color 200ms ease-out,transform 200ms ease-out;
}
.icon-btn:hover{border-color:var(--deep);transform:translateY(-1px);}
.burger{
  width:42px;height:42px;border-radius:var(--r-btn);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:background 200ms ease-out;
}
.burger:hover{background:rgba(16,22,20,.05);}
.burger span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;transition:transform 200ms ease-out,opacity 200ms ease-out;}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:1024px){.burger{display:none;}}
.icon-btn-mobile{display:grid;}
@media (min-width:1024px){.icon-btn-mobile{display:none;}}
.mobile-drawer{
  position:fixed;inset:0 0 auto 0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-2);
  padding:96px 0 28px;
  transform:translateY(-102%);
  transition:transform 260ms ease-out;
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.drawer-nav a{
  padding:14px 4px;font-size:17px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--deep);}
.drawer-cta{width:100%;}
@media (min-width:1024px){.mobile-drawer{display:none;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform 200ms ease-out,box-shadow 200ms ease-out,background 200ms ease-out,border-color 200ms ease-out,color 200ms ease-out;
}
.btn-lime{background:var(--lime);color:var(--lime-ink);box-shadow:var(--sh-1);}
.btn-lime:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{border:1px solid var(--line);background:var(--surface);color:var(--text);}
.btn-outline:hover{border-color:var(--deep);color:var(--deep);transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(237,239,234,.28);color:#EDEFEA;}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-ink{background:var(--ink);color:#EDEFEA;}
.btn-ink:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#EDEFEA;
  padding:34px 0 0;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.22;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(14,18,17,0) 0%,rgba(14,18,17,.92) 100%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(237,239,234,.62);padding:6px 0 22px;}
.breadcrumb a{transition:color 200ms ease-out;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .current{color:#EDEFEA;font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:40px;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-bottom:52px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:rgba(237,239,234,.82);
  background:rgba(237,239,234,.08);
  border:1px solid rgba(237,239,234,.16);
  border-radius:var(--r-sm);padding:6px 12px;
}
.eyebrow i{display:block;width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;}
.page-hero h1{
  margin:18px 0 14px;
  font-size:clamp(30px,5vw,44px);
  font-weight:800;line-height:1.2;letter-spacing:.01em;
  color:#FFFFFF;
}
.page-hero h1 mark{background:none;color:var(--lime);}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(237,239,234,.78);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-panel{
  background:rgba(237,239,234,.05);
  border:1px solid rgba(237,239,234,.16);
  border-radius:var(--r-lg);
  padding:24px;
}
.hero-panel h2{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:16px;letter-spacing:.01em;}
.hero-panel li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;font-size:14.5px;color:rgba(237,239,234,.8);
  border-top:1px dashed rgba(237,239,234,.16);
}
.hero-panel li:first-of-type{border-top:0;}
.hero-panel li b{color:#FFFFFF;font-weight:700;display:block;font-size:15px;margin-bottom:2px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none;margin-top:9px;}
.stat-row{
  display:grid;grid-template-columns:repeat(2,1fr);
  border-top:1px solid rgba(237,239,234,.16);
  position:relative;z-index:2;
}
@media (min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr);}}
.stat-cell{padding:20px 0 26px;padding-right:16px;}
@media (min-width:768px){
  .stat-cell{padding-left:24px;border-left:1px solid rgba(237,239,234,.14);}
  .stat-cell:first-child{padding-left:0;border-left:0;}
}
.stat-cell strong{display:block;font-size:26px;font-weight:800;color:#FFFFFF;line-height:1.2;}
.stat-cell span{display:block;font-size:13px;color:rgba(237,239,234,.6);margin-top:2px;}
.wave-deco{display:block;width:100%;height:34px;opacity:.5;position:relative;z-index:2;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:760px;margin-bottom:34px;}
.h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;color:var(--text);
}
.h2::before{content:"";width:28px;height:4px;border-radius:2px;background:var(--lime);flex:none;}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.85;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.watermark{
  position:absolute;right:-8px;top:-46px;font-size:170px;font-weight:800;line-height:1;
  color:var(--ink);opacity:.045;pointer-events:none;user-select:none;
}
.rel{position:relative;overflow:hidden;}

/* ---------- entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.entry-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.entry-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color 200ms ease-out,transform 200ms ease-out,box-shadow 200ms ease-out;
  display:flex;flex-direction:column;
}
.card:hover{border-color:var(--deep);transform:translateY(-3px);box-shadow:var(--sh-2);}
.card-media{aspect-ratio:16/9;width:100%;object-fit:cover;background:var(--paper);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-body h3{font-size:18px;font-weight:700;color:var(--text);}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.card-wide{grid-column:auto;}
@media (min-width:768px){.card-wide{grid-column:span 2;}}
@media (min-width:1024px){.card-wide{grid-column:span 2;}}
.card-wide .card-media{aspect-ratio:21/9;}
.tagline{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 9px;border-radius:var(--r-sm);
  background:rgba(182,242,53,.18);color:var(--lime-ink);
}
.tag-ink{background:rgba(16,22,20,.06);color:var(--muted);}
.meta-row{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:8px;}

/* ---------- steps timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;
  background:var(--line);
}
@media (min-width:1024px){.timeline::before{left:23px;}}
.tl-item{position:relative;padding-left:58px;padding-bottom:44px;}
.tl-item:last-child{padding-bottom:0;}
@media (min-width:1024px){.tl-item{padding-left:76px;padding-bottom:56px;}}
.tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:var(--lime);color:var(--lime-ink);
  display:grid;place-items:center;font-size:15px;font-weight:800;
  border:4px solid var(--paper);
}
@media (min-width:1024px){.tl-num{width:48px;height:48px;font-size:16px;}}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;
  display:grid;grid-template-columns:1fr;gap:18px;
}
@media (min-width:768px){.tl-card{grid-template-columns:1.25fr .75fr;align-items:center;gap:24px;}}
.tl-card h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.tl-card p{font-size:15px;color:var(--muted);line-height:1.85;}
.tl-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-sm);border:1px solid var(--line);}
.tl-points{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.tl-points li{position:relative;padding-left:16px;font-size:14.5px;color:var(--text);}
.tl-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--lime);}

/* ---------- notice ---------- */
.notice{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 20px 20px 24px;box-shadow:var(--sh-1);
}
.notice::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:4px;background:var(--accent);}
.notice h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.notice p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:6px;}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text);line-height:1.8;}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:4px;
  background:var(--lime);
}
.two-col{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.two-col{grid-template-columns:1fr 1fr;gap:36px;align-items:start;}}

/* ---------- faq ---------- */
.faq-wrap{max-width:760px;}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color 200ms ease-out;
}
.faq-item.is-open{border-color:var(--deep);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--lime);border-radius:3px;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;text-align:left;color:var(--text);
}
.faq-q .chev{flex:none;transition:transform 200ms ease-out;color:var(--muted);}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);color:var(--deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-item.is-open .faq-a{max-height:400px;}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#EDEFEA;
  padding:64px 0 68px;
  clip-path:polygon(0 26px,100% 0,100% 100%,0 100%);
  margin-top:26px;
}
.cta-inner{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;gap:40px;}}
.cta-band h2{font-size:clamp(22px,3vw,28px);font-weight:700;line-height:1.35;color:#FFFFFF;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(237,239,234,.75);line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:639px){.cta-actions .btn{width:100%;}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(237,239,234,.72);padding:56px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2.1fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-brand .logo-text strong{color:#FFFFFF;}
.footer-brand .logo-text em{color:rgba(237,239,234,.6);}
.footer-brand p{max-width:360px;line-height:1.85;color:rgba(237,239,234,.62);}
.footer-col h4{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:14px;}
.footer-col a{display:block;padding:6px 0;color:rgba(237,239,234,.62);transition:color 200ms ease-out,transform 200ms ease-out;}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(237,239,234,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(237,239,234,.45);
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}
.fade-up{opacity:0;transform:translateY(12px);}
.fade-up.in{opacity:1;transform:none;transition:opacity 500ms ease-out,transform 500ms ease-out;}

/* roulang page: category3 */
:root{
    --ink:#0E1211;
    --ink-soft:#1A211F;
    --paper:#F5F6F1;
    --surface:#FFFFFF;
    --line:#E1E5DA;
    --lime:#B6F235;
    --lime-ink:#1B3A12;
    --deep:#12502C;
    --accent:#FF5A2B;
    --muted:#5F6A63;
    --text:#101614;
    --r-chip:6px;
    --r-card:14px;
    --r-panel:22px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(16,22,20,.06);
    --sh-2:0 18px 34px -22px rgba(16,22,20,.35);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;border:0;background:none;}
  h1,h2,h3,h4,p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
  .num{font-variant-numeric:tabular-nums;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:768px){.container-x{padding:0 24px;}}
  @media (min-width:1280px){.container-x{padding:0 32px;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:70;
    background:rgba(245,246,241,.92);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
  .nav-grid{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    height:76px;
    gap:16px;
  }
  .nav-col{display:flex;align-items:center;gap:22px;}
  .nav-col-left{justify-content:flex-start;}
  .nav-col-right{justify-content:flex-end;gap:14px;}
  .nav-links-desktop{display:flex;align-items:center;gap:22px;}
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:600;
    color:var(--muted);
    padding:6px 0;
    transition:color .2s ease-out;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
    transition:width .2s ease-out;
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{width:100%;}
  .nav-link.active{color:var(--text);}
  .nav-link.active::after{width:100%;height:3px;}
  .logo-wrap{display:inline-flex;align-items:center;gap:9px;}
  .logo-mark{
    width:30px;height:30px;flex:0 0 auto;
    background:var(--lime);border-radius:8px;
    display:inline-flex;align-items:center;justify-content:center;
    transform:skewX(-8deg);
  }
  .logo-mark i{width:12px;height:12px;border:3px solid var(--lime-ink);border-radius:50%;border-left-color:transparent;display:block;}
  .logo-text{display:flex;flex-direction:column;line-height:1.05;}
  .logo-text strong{font-size:16px;font-weight:800;color:var(--ink);}
  .logo-text em{font-style:normal;font-size:10.5px;color:var(--muted);margin-top:1px;}
  .icon-btn{
    width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
    background:var(--surface);display:inline-flex;align-items:center;justify-content:center;
    transition:border-color .2s ease-out,transform .2s ease-out;
  }
  .icon-btn:hover{border-color:var(--deep);transform:translateY(-1px);}
  .icon-btn-mobile{display:none;}
  .btn-header{
    display:inline-flex;align-items:center;justify-content:center;
    height:42px;padding:0 18px;border-radius:var(--r-btn);
    background:var(--lime);color:var(--lime-ink);
    font-size:14.5px;font-weight:700;
    transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-header:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .burger{
    display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
    background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;
  }
  .burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
  .burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .burger.is-open span:nth-child(2){opacity:0;}
  .burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .drawer{
    position:fixed;inset:0;z-index:90;
    background:rgba(14,18,17,.55);
    opacity:0;visibility:hidden;
    transition:opacity .22s ease-out,visibility .22s ease-out;
  }
  .drawer.open{opacity:1;visibility:visible;}
  .drawer-panel{
    background:var(--paper);
    padding:18px 20px 30px;
    transform:translateY(-14px);
    transition:transform .24s ease-out;
    max-height:100%;overflow-y:auto;
  }
  .drawer.open .drawer-panel{transform:none;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    height:54px;border-bottom:1px solid var(--line);
    font-size:16px;font-weight:600;color:var(--ink);
  }
  .drawer-nav a.is-active{color:var(--deep);}
  .drawer-nav a span.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);}

  @media (max-width:1023px){
    .nav-links-desktop{display:none;}
    .burger{display:flex;}
    .icon-btn-mobile{display:inline-flex;}
    .nav-col-right{gap:10px;}
    .nav-col-left,.nav-col-right{gap:10px;}
  }
  @media (max-width:639px){
    .logo-text em{font-size:9.5px;}
    .logo-text strong{font-size:14.5px;}
  }

  /* ---------- 通用组件 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:700;border:1px solid transparent;
    transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-primary{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--deep);color:var(--deep);}
  .btn-block{width:100%;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    height:32px;padding:0 12px;border-radius:var(--r-chip);
    background:rgba(182,242,53,.12);color:var(--deep);
    font-size:13px;font-weight:600;border:1px solid rgba(182,242,53,.35);
  }
  .chip-plain{background:var(--surface);border-color:var(--line);color:var(--muted);}
  .sec-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
  .sec-head::before{content:"";width:28px;height:4px;border-radius:2px;background:var(--lime);flex:0 0 auto;}
  .sec-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;color:var(--ink);}
  .sec-sub{color:var(--muted);font-size:15px;margin-bottom:26px;max-width:760px;}

  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
  .reveal.in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    padding:18px 0 0;
    font-size:12px;color:var(--muted);
    display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  }
  .breadcrumb a:hover{color:var(--deep);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .now{color:var(--ink);font-weight:600;}

  /* ---------- 页头 ---------- */
  .page-head{padding:26px 0 44px;}
  .page-head-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
  @media (min-width:1024px){.page-head-grid{grid-template-columns:1.15fr .85fr;gap:48px;}}
  .page-head h1{
    font-size:clamp(30px,5vw,44px);
    font-weight:800;line-height:1.2;color:var(--ink);letter-spacing:.01em;
  }
  .page-head .lead{margin-top:16px;font-size:16px;color:var(--muted);max-width:640px;}
  .head-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:14px;color:var(--muted);}
  .head-points span{display:inline-flex;align-items:center;gap:8px;}
  .head-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--deep);}
  .head-visual{
    position:relative;border-radius:var(--r-panel);overflow:hidden;
    border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);
  }
  .head-visual img{width:100%;height:280px;object-fit:cover;}
  @media (min-width:768px){.head-visual img{height:340px;}}
  .head-badge{
    position:absolute;left:16px;bottom:16px;
    display:inline-flex;align-items:center;gap:8px;
    background:var(--lime);color:var(--lime-ink);
    font-size:12.5px;font-weight:700;
    padding:7px 12px;border-radius:var(--r-chip);
  }

  /* ---------- 分类速览 ---------- */
  .scene-band{padding:6px 0 10px;}
  .scene-list{display:flex;flex-wrap:wrap;gap:10px;}
  .stat-strip{
    margin-top:22px;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);padding:18px 20px;
    display:grid;grid-template-columns:1fr;gap:18px;
  }
  @media (min-width:640px){.stat-strip{grid-template-columns:repeat(3,1fr);gap:0;}}
  .stat-item{padding:0 0 0 0;}
  @media (min-width:640px){
    .stat-item{border-left:1px dashed var(--line);padding-left:20px;}
    .stat-item:first-child{border-left:0;padding-left:0;}
  }
  .stat-item strong{display:block;font-size:26px;font-weight:800;color:var(--ink);line-height:1.2;}
  .stat-item span{font-size:13px;color:var(--muted);}
  .stat-note{margin-top:12px;font-size:12px;color:var(--muted);}

  /* ---------- FAQ ---------- */
  .faq-section{padding:52px 0;}
  @media (min-width:768px){.faq-section{padding:64px 0;}}
  .faq-grid{display:grid;grid-template-columns:1fr;gap:14px;align-items:start;}
  @media (min-width:1024px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}}
  .faq-col{display:flex;flex-direction:column;gap:14px;}
  .faq-card{
    position:relative;background:var(--surface);
    border:1px solid var(--line);border-radius:12px;overflow:hidden;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .faq-card::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
    opacity:0;transition:opacity .2s ease-out;
  }
  .faq-card[open]{border-color:var(--deep);box-shadow:var(--sh-1);}
  .faq-card[open]::before{opacity:1;}
  .faq-card[open] summary .faq-arrow{transform:rotate(180deg);}
  .faq-card summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:flex-start;gap:12px;
    padding:18px 18px 16px 20px;
  }
  .faq-card summary::-webkit-details-marker{display:none;}
  .faq-q{flex:1;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
  .faq-arrow{flex:0 0 auto;margin-top:5px;transition:transform .2s ease-out;color:var(--muted);}
  .faq-a{padding:0 20px 18px 20px;color:var(--muted);font-size:15px;line-height:1.8;}
  .faq-a p + p{margin-top:8px;}
  .faq-a strong{color:var(--text);font-weight:600;}

  /* ---------- 反馈表单 ---------- */
  .feedback{padding:8px 0 56px;}
  .feedback-panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
    padding:26px 20px;display:grid;grid-template-columns:1fr;gap:30px;
  }
  @media (min-width:768px){.feedback-panel{padding:34px 32px;}}
  @media (min-width:1024px){.feedback-panel{grid-template-columns:1fr 1.1fr;gap:44px;}}
  .feedback-intro h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--ink);line-height:1.35;}
  .feedback-intro p{margin-top:14px;color:var(--muted);font-size:15px;}
  .feedback-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
  .feedback-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);}
  .feedback-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-top:11px;}
  .field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
  .field label{font-size:13px;font-weight:600;color:var(--muted);}
  .field input,.field select,.field textarea{
    width:100%;height:48px;padding:0 14px;
    border:1px solid var(--line);border-radius:10px;background:var(--surface);
    color:var(--text);font:inherit;font-size:15px;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--deep);box-shadow:0 0 0 3px rgba(182,242,53,.25);
  }
  .field-row{display:grid;grid-template-columns:1fr;gap:0 16px;}
  @media (min-width:640px){.field-row{grid-template-columns:1fr 1fr;}}
  .form-hint{font-size:12px;color:var(--muted);margin-top:10px;}
  .form-msg{
    display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
    border:1px solid var(--line);background:rgba(182,242,53,.14);
    color:var(--lime-ink);font-size:14px;
  }
  .form-msg.show{display:block;}

  /* ---------- 延伸入口 ---------- */
  .entry-section{padding:0 0 60px;}
  .entry-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:768px){.entry-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}}
  .entry-card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .entry-card:hover{transform:translateY(-4px);border-color:var(--deep);box-shadow:var(--sh-2);}
  .entry-card img{width:100%;height:170px;object-fit:cover;}
  .entry-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .entry-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45;}
  .entry-body p{font-size:14px;color:var(--muted);flex:1;}
  .entry-link{font-size:14px;font-weight:700;color:var(--deep);display:inline-flex;align-items:center;gap:6px;}
  .entry-card:hover .entry-link{gap:10px;}
  .entry-link{transition:gap .2s ease-out;}

  /* ---------- 底部 CTA ---------- */
  .cta-band{
    background:var(--ink);color:#E9EDE6;
    clip-path:polygon(0 30px,100% 0,100% 100%,0 100%);
    padding:76px 0 64px;
    margin-top:10px;
  }
  .cta-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
  @media (min-width:1024px){.cta-grid{grid-template-columns:1.3fr .7fr;gap:40px;}}
  .cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;color:#FFFFFF;}
  .cta-band p{margin-top:12px;color:rgba(233,237,230,.72);font-size:15px;max-width:620px;}
  .cta-actions{display:flex;flex-direction:column;gap:12px;}
  @media (min-width:640px){.cta-actions{flex-direction:row;flex-wrap:wrap;}}
  .cta-band .btn-ghost{color:#E9EDE6;border-color:rgba(233,237,230,.32);}
  .cta-band .btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
  .cta-note{margin-top:16px;font-size:12px;color:rgba(233,237,230,.5);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#E9EDE6;padding:56px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}}
  .footer-brand p{margin-top:14px;font-size:14px;color:rgba(233,237,230,.62);max-width:360px;}
  .site-footer .logo-text strong{color:#FFFFFF;}
  .site-footer .logo-text em{color:rgba(233,237,230,.55);}
  .footer-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:14px;}
  .footer-col a{display:block;font-size:14px;color:rgba(233,237,230,.66);padding:5px 0;transition:color .2s ease-out,transform .2s ease-out;}
  .footer-col a:hover{color:var(--lime);transform:translateX(2px);}
  .footer-bottom{
    margin-top:40px;padding:18px 0 26px;border-top:1px solid rgba(233,237,230,.14);
    display:flex;flex-direction:column;gap:8px;
    font-size:12px;color:rgba(233,237,230,.45);
  }
  @media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}