/* roulang page: index */
:root{
  --ink:#10241E;
  --ink-2:#2C3F38;
  --brand:#1F6E58;
  --accent:#C8F250;
  --accent-2:#FF8A4C;
  --bg:#F5F3EC;
  --bg-soft:#EFEDE4;
  --surface:#FFFFFF;
  --line:#E1DFD3;
  --muted:#5C6B64;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,30,.05),0 8px 24px rgba(16,36,30,.06);
  --shadow-2:0 2px 6px rgba(16,36,30,.08),0 18px 48px rgba(16,36,30,.10);
  --ease:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--ink)}
img{max-width:100%;display:block}
button,input{font:inherit}
ul{list-style:none}
:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(31,110,88,.28)}
.shell{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:16px;z-index:1030;padding-top:16px}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:12px 16px;
  flex-wrap:wrap;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--accent);
  border:2px solid var(--ink);
  position:relative;flex:none;
  box-shadow:2px 2px 0 rgba(16,36,30,.9);
}
.logo-mark::after{
  content:"";position:absolute;inset:5px;border-radius:3px;background:var(--ink);
}
.logo-text{font-size:16px}
.nav-entries{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.nav-entry{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border-radius:var(--r-sm);
  background:#F1EFE6;
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;font-weight:600;
  white-space:nowrap;
  transition:background var(--ease),border-color var(--ease),color var(--ease),transform var(--ease);
}
.nav-entry i{font-size:14px;color:var(--brand)}
.nav-entry:hover{background:rgba(200,242,80,.35);border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.nav-entry:hover i{color:var(--ink)}
.nav-entry.active{background:var(--accent);border-color:var(--ink);color:var(--ink)}
.nav-entry.active i{color:var(--ink)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);
  border:1px solid var(--ink);font-weight:700;font-size:13px;
  white-space:nowrap;transition:all var(--ease);
}
.nav-cta:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;margin-left:auto;
  border-radius:var(--r-sm);border:1px solid var(--ink);
  background:rgba(200,242,80,.4);color:var(--ink);cursor:pointer;
}

/* ===== 按钮 ===== */
.btn-solid,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:all var(--ease);
}
.btn-solid{background:var(--accent);color:var(--ink);border:1px solid var(--ink)}
.btn-solid:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-solid:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:rgba(200,242,80,.28);color:var(--ink)}
.btn-ghost:active{transform:translateY(1px)}

/* ===== Hero ===== */
.hero{padding:56px 0 0}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:20px;
  border-radius:var(--r-pill);
  background:rgba(200,242,80,.35);
  border:1px solid var(--ink-2);
  font-size:12px;font-weight:700;color:var(--ink-2);
}
.hero h1{font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:0 0 20px;max-width:14em}
.hero-lead{margin:0 0 28px;font-size:17px;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;margin:32px 0 0;padding:0}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.hero-trust i{color:var(--brand);font-size:14px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--ink);
  box-shadow:var(--shadow-2);
}
.hero-visual::before{
  content:"";position:absolute;right:14px;bottom:14px;
  width:128px;height:96px;border-radius:var(--r-sm);
  background-image:radial-gradient(rgba(200,242,80,.55) 1.6px,transparent 1.6px);
  background-size:10px 10px;
  opacity:.85;pointer-events:none;
}
.hero-visual::after{
  content:"";position:absolute;left:-8px;bottom:-8px;
  width:104px;height:104px;background:var(--accent);
  clip-path:polygon(0 100%,100% 100%,0 12%);
  border-radius:0 0 0 var(--r-lg);
  opacity:.85;z-index:-1;
}

/* ===== 入口卡 ===== */
.entry-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.entry-card{
  display:flex;align-items:center;gap:12px;
  padding:16px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-1);color:var(--ink);
  transition:all var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink);color:var(--ink)}
.entry-icon{
  width:40px;height:40px;flex:none;border-radius:var(--r-sm);
  display:grid;place-items:center;
  background:rgba(200,242,80,.45);border:1px solid var(--ink-2);
  color:var(--ink);font-size:16px;
}
.entry-text strong{display:block;font-size:14px;font-weight:700;line-height:1.5}
.entry-text span{display:block;font-size:12px;color:var(--muted);line-height:1.6}

/* ===== 板块通用 ===== */
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:40px}
.rule{width:40px;height:6px;border-radius:3px;background:var(--accent);margin-bottom:16px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:0 0 12px}
.section-head p{margin:0;font-size:15px;color:var(--muted)}

/* ===== 故事 ===== */
.story-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:start}
.story-copy p{font-size:16px;color:var(--ink-2);margin:0 0 20px}
.story-copy p:last-child{margin-bottom:0}
.stat-card{
  background:var(--surface);border:1px solid var(--ink);
  border-radius:var(--r-md);box-shadow:4px 4px 0 var(--ink);
  padding:24px;
}
.stat-row{display:flex;align-items:flex-start;gap:16px}
.stat-row + .stat-row{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.stat-num{font-size:26px;font-weight:800;line-height:1.2;color:var(--brand);min-width:64px}
.stat-label strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.stat-label span{display:block;font-size:13px;color:var(--muted);line-height:1.6}

/* ===== 内容卡 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-1);
  overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D3D1C3}
.post-cover{aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge-brand{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.02em;width:fit-content;
}
.post-body h3{margin:0;font-size:20px;line-height:1.4;font-weight:700}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--brand)}
.post-summary{margin:0;font-size:15px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.post-meta .go{color:var(--brand);font-weight:700;font-size:13px}
.post-card:hover .post-meta .go{color:var(--ink)}

/* ===== 最新信息列表 ===== */
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);padding:8px 24px}
.news-item{display:flex;align-items:center;gap:24px;padding:22px 0 22px 18px;border-bottom:1px solid var(--line);position:relative}
.news-item:last-child{border-bottom:0}
.news-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
  border-radius:2px;background:transparent;transition:background var(--ease);
}
.news-item:hover::before{background:var(--accent)}
.news-main{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.meta-time{font-size:13px;color:var(--muted)}
.news-title{margin:0 0 6px;font-size:18px;line-height:1.5;font-weight:700}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand)}
.news-summary{margin:0;font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-link{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);color:var(--ink);font-size:13px;font-weight:700;
  transition:all var(--ease);
}
.news-link:hover{background:rgba(200,242,80,.35);color:var(--ink)}
.empty-state{text-align:center;padding:56px 20px}
.empty-mark{
  display:block;width:64px;height:64px;margin:0 auto 20px;border-radius:var(--r-md);
  background:var(--ink);
  background-image:radial-gradient(rgba(200,242,80,.55) 1.6px,transparent 1.6px);
  background-size:10px 10px;
}
.empty-state p{margin:0 0 20px;color:var(--muted);font-size:15px}

/* ===== 信任背书 ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);transition:all var(--ease);
}
.trust-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.trust-item i{display:block;font-size:20px;color:var(--brand);margin-bottom:12px}
.trust-item h3{font-size:17px;font-weight:700;margin:0 0 8px;line-height:1.5}
.trust-item p{margin:0;font-size:15px;color:var(--muted)}
.quote-block{
  margin-top:32px;padding:24px 28px;
  border-left:4px solid var(--accent);
  background:#FBFAF4;border-radius:0 var(--r-md) var(--r-md) 0;
}
.quote-block p{margin:0 0 10px;font-size:17px;color:var(--ink);line-height:1.7}
.quote-block cite{font-style:normal;font-size:13px;color:var(--muted)}

/* ===== FAQ ===== */
.faq{max-width:900px}
.faq .accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;
}
.faq .accordion-button{
  position:relative;background:transparent;color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.5;
  padding:20px 56px 20px 28px;box-shadow:none;
  transition:background var(--ease);
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:2px;background:var(--accent);
}
.faq .accordion-button:not(.collapsed){background:#FBFAF4;color:var(--ink);box-shadow:none}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(31,110,88,.22);border-color:var(--line)}
.faq .accordion-button::after{
  background-image:none;content:"+";
  width:26px;height:26px;font-size:22px;line-height:1;
  display:grid;place-items:center;color:var(--ink);
  transition:transform var(--ease);margin-left:auto;
}
.faq .accordion-button:not(.collapsed)::after{background-image:none;transform:rotate(45deg)}
.faq .accordion-body{padding:4px 28px 24px;font-size:15px;color:var(--muted);line-height:1.8}

/* ===== CTA ===== */
.cta-panel{
  background:var(--ink);color:#E9EDE8;
  border-radius:var(--r-lg);padding:48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-panel h2{font-size:30px;line-height:1.3;font-weight:700;margin:0 0 14px;letter-spacing:-.01em}
.cta-panel p{margin:0;font-size:15px;color:rgba(233,237,232,.78)}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{
  flex:1 1 200px;height:48px;padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.08);color:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:rgba(233,237,232,.6)}
.cta-form input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,242,80,.25)}
.cta-form button{flex:none}
.form-tip{margin:12px 0 0;font-size:13px;color:rgba(233,237,232,.7);min-height:20px}
.form-tip.is-error{color:var(--accent-2)}
.form-tip.is-ok{color:var(--accent)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#E9EDE8;border-top:1px solid var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 40px}
.footer-col{padding-left:0}
.footer-col:not(:first-child){border-left:1px solid rgba(255,255,255,.12);padding-left:32px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text{font-size:17px}
.footer-brand .logo-mark{border-color:var(--accent);box-shadow:2px 2px 0 rgba(200,242,80,.6)}
.footer-brand .logo-mark::after{background:var(--accent)}
.footer-brand p{margin:16px 0 0;font-size:14px;color:rgba(233,237,232,.7);line-height:1.8;max-width:30em}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 16px;color:#fff;letter-spacing:.02em}
.footer-col ul{margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(233,237,232,.78);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:rgba(233,237,232,.7);margin:0 0 14px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 140px;height:42px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);
  color:#fff;font-size:14px;
}
.footer-form input::placeholder{color:rgba(233,237,232,.55)}
.footer-form input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,242,80,.2)}
.footer-form button{
  height:42px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);border:0;font-weight:700;font-size:13px;cursor:pointer;
  transition:all var(--ease);
}
.footer-form button:hover{background:#B5E23F;transform:translateY(-1px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px 24px;
  font-size:13px;color:rgba(233,237,232,.6);
}
.footer-bottom span{display:inline-flex;align-items:center;gap:6px}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .hero h1{font-size:42px}
  .nav-entry{padding:0 12px}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-entries{flex:1 0 100%;display:none;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
  .nav-entries.show{display:grid}
  .nav-entry{justify-content:flex-start;height:44px}
  .nav-cta{display:none;flex:1 0 100%;margin-top:8px;height:44px}
  .nav-entries.show ~ .nav-cta{display:inline-flex}
  .hero{padding-top:40px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:2}
  .hero h1{font-size:38px;max-width:none}
  .entry-strip{grid-template-columns:repeat(2,1fr);margin-top:32px}
  .section{padding:64px 0}
  .story-grid{grid-template-columns:1fr;gap:32px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);padding:48px 0 32px}
  .footer-col:not(:first-child){border-left:0;padding-left:0}
}
@media (max-width:767.98px){
  .hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .section-head h2{font-size:26px}
  .post-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;align-items:flex-start;gap:14px}
  .news-link{width:100%;justify-content:center}
  .cta-panel h2{font-size:24px}
  .faq .accordion-button{font-size:16px;padding:18px 48px 18px 22px}
  .faq .accordion-body{padding:4px 22px 20px}
}
@media (max-width:575.98px){
  .shell{padding:0 16px}
  .hero h1{font-size:30px;line-height:1.25}
  .entry-strip{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{padding:28px 20px}
  .news-list{padding:4px 16px}
  .post-body{padding:20px}
  .section{padding:48px 0}
  .logo-text{font-size:15px}
}

/* roulang page: article */
:root{
  --ink:#10241E;
  --ink-2:#2C3F38;
  --brand:#1F6E58;
  --accent:#C8F250;
  --accent-hover:#B5E23F;
  --accent-2:#FF8A4C;
  --bg:#F5F3EC;
  --surface:#FFFFFF;
  --line:#E1DFD3;
  --muted:#5C6B64;
  --soft:#F1EFE6;
  --paper:#FBFAF4;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,30,.05), 0 8px 24px rgba(16,36,30,.06);
  --shadow-2:0 2px 6px rgba(16,36,30,.08), 0 18px 48px rgba(16,36,30,.10);
  --sp:8px;
  --ease:.18s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--ink);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,110,88,.28);border-radius:6px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:80;padding-top:16px;}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  min-height:84px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:12px 16px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;flex:0 0 auto;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:24px;height:24px;border-radius:7px;
  background:var(--accent);
  border:1.5px solid var(--ink);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  flex:0 0 auto;
}
.logo-text{font-size:16px;letter-spacing:-.01em;white-space:nowrap;}
.nav-entries{display:flex;align-items:center;gap:8px;margin:0 auto;}
.nav-entry{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 12px;
  border-radius:var(--r-sm);
  background:var(--soft);
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;font-weight:600;white-space:nowrap;
  transition:background var(--ease),border-color var(--ease),color var(--ease),transform var(--ease);
}
.nav-entry i{font-size:13px;color:var(--brand);transition:color var(--ease);}
.nav-entry:hover{background:rgba(200,242,80,.35);border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.nav-entry:hover i{color:var(--ink);}
.nav-entry.active{background:var(--accent);border-color:var(--ink);color:var(--ink);}
.nav-entry.active i{color:var(--ink);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;flex:0 0 auto;
  border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;
  border:0;box-shadow:0 1px 2px rgba(16,36,30,.08);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-cta:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;margin-left:auto;
  border-radius:var(--r-sm);border:1.5px solid var(--ink);
  background:var(--surface);color:var(--ink);font-size:16px;
  transition:background var(--ease);
}
.nav-toggle:hover{background:rgba(200,242,80,.35);}

/* ---------- 通用按钮 / 徽章 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;
  border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);
  font-size:15px;font-weight:700;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-main:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-pill);
  border:1.5px solid var(--ink);
  background:transparent;color:var(--ink);
  font-size:15px;font-weight:700;
  transition:background var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(200,242,80,.28);color:var(--ink);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-time{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--accent-2);color:#B85B26;
  background:rgba(255,138,76,.08);
  font-size:12px;font-weight:700;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--soft);border:1px solid var(--line);
  color:var(--muted);font-size:12px;font-weight:600;
}
.rule-bar{display:block;width:40px;height:6px;border-radius:3px;background:var(--accent);margin-bottom:14px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.crumb .sep{color:#B9C0B8;}
.crumb .now{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.post-head{padding:32px 0 40px;}
.post-head-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:36px;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
}
.post-head-copy{min-width:0;}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px;}
.post-title{
  font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);word-break:break-word;
}
.post-lead{
  margin-top:16px;font-size:15px;line-height:1.8;color:var(--muted);
  max-width:52ch;
}
.post-figure{
  position:relative;overflow:hidden;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--ink);
}
.post-figure img{width:100%;height:100%;object-fit:cover;}
.post-figure::after{
  content:"";position:absolute;inset:auto -10% -18% -10%;height:42%;
  background:var(--accent);opacity:.88;
  clip-path:polygon(0 100%,100% 32%,100% 100%);
  pointer-events:none;
}

/* ---------- 正文 ---------- */
.article-main{padding:8px 0 24px;}
.article-shell{
  max-width:800px;margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:44px 48px 40px;
}
.article-body{font-size:16px;line-height:1.8;color:var(--ink-2);overflow-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.3;font-weight:700;
  margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--accent);
}
.article-body h3{
  position:relative;font-size:20px;line-height:1.4;font-weight:700;
  margin:30px 0 12px;padding-left:14px;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:rgba(200,242,80,.9);
}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--ink);}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(200,242,80,.9);text-decoration-thickness:2px;text-underline-offset:4px;}
.article-body a:hover{color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:4px solid var(--accent);
  background:var(--paper);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:22px auto;border:1px solid var(--line);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--soft);color:var(--ink);font-weight:700;}
.article-body code{background:var(--soft);border-radius:6px;padding:2px 6px;font-size:14px;}

.post-empty{
  text-align:center;padding:48px 24px;
  border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--paper);
}
.post-empty .empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  background:var(--ink);
  background-image:radial-gradient(rgba(200,242,80,.75) 1.4px, transparent 1.4px);
  background-size:10px 10px;
}
.post-empty h2{font-size:22px;margin-bottom:10px;}
.post-empty p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 文末条 ---------- */
.post-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.post-foot-note{font-size:13px;color:var(--muted);max-width:52ch;}
.post-foot-links{display:flex;gap:10px;flex-wrap:wrap;}
.post-foot-links a{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);color:var(--ink);font-size:13px;font-weight:700;
  background:transparent;
}
.post-foot-links a:hover{background:rgba(200,242,80,.3);}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;}
.section-head{margin-bottom:28px;max-width:640px;}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);}
.related-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:8px 28px;
}
.related-item{
  display:grid;grid-template-columns:96px minmax(0,1fr) auto;
  gap:20px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
  position:relative;
}
.related-item:last-child{border-bottom:0;}
.related-item::before{
  content:"";position:absolute;left:-28px;top:18px;bottom:18px;width:4px;border-radius:2px;
  background:var(--accent);opacity:0;transition:opacity var(--ease);
}
.related-item:hover::before{opacity:1;}
.related-item .r-num{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;}
.related-item h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:6px;}
.related-item h3 a{color:var(--ink);}
.related-item h3 a:hover{color:var(--brand);}
.related-item p{font-size:14px;line-height:1.75;color:var(--muted);}
.related-item .r-arrow{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--ink);font-size:13px;
  transition:background var(--ease),transform var(--ease);
}
.related-item:hover .r-arrow{background:var(--accent);transform:translateX(2px);}

/* ---------- 深色 CTA ---------- */
.cta-band{padding:72px 0 0;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:36px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  background-image:radial-gradient(rgba(200,242,80,.35) 1.5px, transparent 1.5px);
  background-size:14px 14px;pointer-events:none;
}
.cta-card h2{color:#fff;font-size:30px;line-height:1.3;font-weight:700;}
.cta-card p{color:#C9D3CC;font-size:15px;margin-top:14px;max-width:48ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.cta-actions .btn-ghost{border-color:#E9EDE8;color:#E9EDE8;}
.cta-actions .btn-ghost:hover{background:rgba(200,242,80,.2);color:#fff;}
.cta-side{
  position:relative;z-index:1;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  padding:24px;
}
.cta-side ul{display:grid;gap:14px;}
.cta-side li{display:flex;gap:12px;align-items:flex-start;color:#DCE4DE;font-size:14px;line-height:1.7;}
.cta-side i{color:var(--accent);margin-top:5px;font-size:13px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--ink);color:#E9EDE8;
  border-top:1px solid var(--accent);
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:#B9C4BD;max-width:34ch;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{color:#B9C4BD;font-size:14px;}
.footer-col ul a:hover{color:var(--accent);}
.footer-col p{color:#B9C4BD;font-size:14px;margin-bottom:14px;}
.footer-form{display:flex;gap:8px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 14px;
  border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.footer-form input::placeholder{color:#8F9C95;}
.footer-form input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(200,242,80,.22);
  background:rgba(255,255,255,.1);
}
.footer-form button{
  flex:0 0 auto;height:48px;padding:0 20px;border:0;
  border-radius:var(--r-sm);background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;cursor:pointer;
  transition:background var(--ease),transform var(--ease);
}
.footer-form button:hover{background:var(--accent-hover);transform:translateY(-1px);}
.footer-form button:active{transform:translateY(0);}
.form-tip{font-size:13px;color:var(--accent-2);min-height:20px;margin-top:8px;}
.form-tip.ok{color:var(--accent);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#93A098;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .post-title{font-size:34px;}
  .cta-card{padding:40px;}
}
@media (max-width:991.98px){
  .nav-panel{flex-wrap:wrap;min-height:auto;}
  .nav-toggle{display:inline-flex;}
  .nav-entries.collapse{
    display:none;
    width:100%;
    margin-top:14px;
    padding-top:14px;
    border-top:1px solid var(--line);
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px;
  }
  .nav-entries.collapse.show{display:grid;}
  .nav-entries .nav-entry{width:100%;justify-content:flex-start;height:44px;font-size:13px;}
  .nav-cta{width:100%;margin-top:12px;order:5;display:none;}
  .nav-entries.collapse.show + .nav-cta,
  .nav-panel .nav-cta.show-cta{display:inline-flex;}
  .post-head-card{grid-template-columns:minmax(0,1fr);gap:26px;padding:28px;}
  .post-title{font-size:30px;}
  .post-figure{order:-1;aspect-ratio:16/9;}
  .article-shell{padding:32px 28px;}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .footer-col{padding:0 24px;}
  .footer-col:nth-child(odd){padding-left:0;border-left:0;}
  .footer-col:nth-child(even){padding-right:0;}
  .site-footer{margin-top:64px;}
  .related{padding-top:56px;}
  .cta-band{padding-top:56px;}
}
@media (max-width:767.98px){
  .shell{padding:0 18px;}
  .post-title{font-size:27px;}
  .article-shell{padding:26px 20px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section-head h2{font-size:26px;}
  .related-item{grid-template-columns:minmax(0,1fr) auto;gap:14px;}
  .related-item .r-num{display:none;}
  .cta-card h2{font-size:24px;}
  .cta-card{padding:28px 22px;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .site-header{top:8px;padding-top:10px;}
  .nav-panel{padding:10px 12px;border-radius:var(--r-md);}
  .logo-text{font-size:15px;}
  .post-head{padding:22px 0 26px;}
  .post-head-card{padding:22px 18px;border-radius:var(--r-md);}
  .post-title{font-size:24px;line-height:1.3;}
  .post-lead{font-size:14px;}
  .article-main{padding:0;}
  .article-shell{padding:22px 16px;border-radius:var(--r-md);}
  .related-list{padding:4px 18px;}
  .related-item{grid-template-columns:minmax(0,1fr);}
  .related-item .r-arrow{display:none;}
  .post-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0 0 0 0;border-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;}
  .footer-col:first-child{border-top:0;padding-top:0;}
  .footer-col:last-child{padding-bottom:0;}
  .footer-form{flex-wrap:wrap;}
  .footer-form button{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#10241E;
  --ink-2:#2C3F38;
  --brand:#1F6E58;
  --accent:#C8F250;
  --accent-hover:#B5E23F;
  --accent-soft:rgba(200,242,80,.35);
  --accent-2:#FF8A4C;
  --bg:#F5F3EC;
  --surface:#FFFFFF;
  --line:#E1DFD3;
  --muted:#5C6B64;
  --soft:#F1EFE6;
  --soft2:#FBFAF4;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,30,.05), 0 8px 24px rgba(16,36,30,.06);
  --shadow-2:0 2px 6px rgba(16,36,30,.08), 0 18px 48px rgba(16,36,30,.10);
  --ease:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:hover{color:var(--ink)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,110,88,.28)}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 0 10px;
  background:var(--bg);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:84px;
  padding:12px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;flex-shrink:0}
.logo:hover{color:var(--ink)}
.logo-mark{
  position:relative;
  width:24px;height:24px;
  border-radius:8px;
  background:var(--accent);
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  background:var(--ink);
  border-radius:3px;
  transform:rotate(45deg);
}
.logo-text{font-size:16px;letter-spacing:.01em;white-space:nowrap}
.nav-entries{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-entry{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 12px;
  border-radius:var(--r-sm);
  background:var(--soft);
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease);
}
.nav-entry i{font-size:14px;color:var(--brand);transition:color var(--ease)}
.nav-entry:hover{background:var(--accent-soft);border-color:var(--ink);color:var(--ink)}
.nav-entry.active{background:var(--ink);border-color:var(--ink);color:#fff}
.nav-entry.active i{color:var(--accent)}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--accent);
  border:1px solid var(--ink);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  flex-shrink:0;
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.nav-cta:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--soft);
  color:var(--ink);
  font-size:16px;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--ink)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:0 0 88px}
.section-head{max-width:760px;margin-bottom:36px}
.rule{width:40px;height:6px;border-radius:3px;background:var(--accent);margin-bottom:16px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-lead{margin-top:12px;font-size:16px;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--accent);
  border:1px solid var(--ink);
  color:var(--ink);
  font-size:15px;font-weight:700;
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-main:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1.5px solid var(--ink);
  color:var(--ink);
  font-size:15px;font-weight:700;
  transition:background-color var(--ease),transform var(--ease)}
.btn-line:hover{background:rgba(200,242,80,.28);color:var(--ink)}
.btn-onDark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1.5px solid rgba(233,237,232,.55);
  color:#E9EDE8;
  font-size:15px;font-weight:700;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease)}
.btn-onDark:hover{background:rgba(200,242,80,.16);border-color:var(--accent);color:#fff}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand);padding-bottom:2px;border-bottom:2px solid transparent}
.text-link:hover{color:var(--ink);border-bottom-color:var(--accent)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;opacity:.7}
.crumb .current{color:var(--ink);font-weight:700}

/* ---------- Hero ---------- */
.hero{padding:36px 0 8px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:20px;
}
.hero-badge i{color:var(--accent)}
.hero h1{font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.02em}
.hero h1 .hl{position:relative;display:inline-block;z-index:1}
.hero h1 .hl::after{
  content:"";
  position:absolute;
  left:-2px;right:-2px;bottom:4px;
  height:14px;
  background:var(--accent);
  border-radius:4px;
  z-index:-1;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.trust-item i{font-size:13px;color:var(--brand)}
.hero-media{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink);
  box-shadow:var(--shadow-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.35;
  pointer-events:none;
}
.hero-media .slice{
  position:absolute;left:0;bottom:0;
  width:46%;height:28%;
  background:var(--accent);
  clip-path:polygon(0 100%,0 24%,100% 100%);
  z-index:3;
}
.hero-media .media-tag{
  position:absolute;right:16px;top:16px;z-index:4;
  background:rgba(16,36,30,.86);
  color:#E9EDE8;
  font-size:12px;font-weight:700;
  padding:6px 12px;
  border-radius:var(--r-pill);
}
.hero-media .media-tag i{color:var(--accent);margin-right:6px}

/* ---------- 入口大卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{
  position:relative;
  display:block;
  padding:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  color:var(--ink);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--ink);color:var(--ink)}
.entry-card.hard{border:1px solid var(--ink);box-shadow:4px 4px 0 var(--ink)}
.entry-card.hard:hover{box-shadow:4px 6px 0 var(--ink)}
.entry-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--soft);
  color:var(--brand);
  font-size:18px;
  margin-bottom:18px;
  transition:background-color var(--ease),color var(--ease);
}
.entry-card:hover .entry-icon{background:var(--accent);color:var(--ink)}
.entry-card h3{font-size:20px;line-height:1.4;font-weight:700}
.entry-card p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--muted)}
.entry-more{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand)}
.entry-card:hover .entry-more{color:var(--ink)}
.entry-more i{font-size:12px}

/* ---------- 分组清单 ---------- */
.group-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.group-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  padding:24px 8px 8px;
}
.group-box h3{
  font-size:20px;font-weight:700;
  padding:0 20px 14px;
  display:flex;align-items:center;gap:10px;
}
.group-box h3 i{font-size:14px;color:var(--brand)}
.list-row{
  position:relative;
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 20px;
  border-top:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
  transition:background-color var(--ease),color var(--ease);
}
.list-row::before{
  content:"";
  position:absolute;left:0;top:12px;bottom:12px;
  width:4px;border-radius:3px;
  background:transparent;
  transition:background-color var(--ease);
}
.list-row:hover{background:var(--soft2);color:var(--ink)}
.list-row:hover::before{background:var(--accent)}
.list-row i{font-size:12px;color:var(--brand);margin-top:7px;flex-shrink:0}
.list-row span{display:block}
.list-row small{display:block;font-size:13px;color:var(--muted);margin-top:2px;line-height:1.6}

/* ---------- 阅读流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-num{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--accent);
  color:var(--ink);
  font-size:15px;font-weight:800;
  margin-bottom:16px;
}
.step h3{font-size:17px;line-height:1.5;font-weight:700}
.step p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;
  padding:20px 24px;
  font-size:17px;font-weight:700;
  color:var(--ink);
  background:var(--surface);
  border:0;
  box-shadow:none!important;
  text-align:left;
}
.accordion-button:not(.collapsed){background:var(--soft2);color:var(--ink)}
.accordion-button::after{
  content:"+";
  flex-shrink:0;
  width:auto;height:auto;
  margin-left:auto;
  background-image:none!important;
  font-size:22px;
  line-height:1;
  font-weight:600;
  color:var(--brand);
  transition:transform var(--ease),color var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--ink)}
.accordion-button:focus{box-shadow:inset 0 0 0 3px rgba(31,110,88,.2)!important}
.accordion-body{padding:4px 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);background:var(--soft2)}

/* ---------- CTA 深色区 ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  align-items:center;
  padding:56px;
  border-radius:var(--r-lg);
  background:var(--ink);
  color:#E9EDE8;
  box-shadow:var(--shadow-2);
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background-image:radial-gradient(rgba(200,242,80,.35) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.6;
  pointer-events:none;
}
.cta-panel h2{font-size:32px;line-height:1.3;font-weight:700;color:#fff}
.cta-panel p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(233,237,232,.78);max-width:36em}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.cta-actions .btn-main{border-color:var(--accent)}
.cta-note{font-size:13px;color:rgba(233,237,232,.6);margin-top:4px;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  padding:56px 0 24px;
  background:var(--ink);
  color:#E9EDE8;
  border-top:1px solid rgba(200,242,80,.55);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo{color:#fff}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.75;color:#C9D3CC;max-width:30em}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul li{margin-bottom:8px}
.footer-col a{display:inline-block;font-size:14px;color:#C9D3CC;padding:2px 0}
.footer-col a:hover{color:var(--accent)}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.12);padding-left:32px}
.footer-col p{font-size:14px;line-height:1.75;color:#C9D3CC}
.footer-form{display:flex;gap:8px;margin-top:12px}
.footer-form input{
  flex:1;min-width:0;height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-form input::placeholder{color:rgba(233,237,232,.5)}
.footer-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,242,80,.2)}
.footer-form button{
  height:44px;padding:0 18px;
  border:0;border-radius:var(--r-sm);
  background:var(--accent);
  color:var(--ink);
  font-size:14px;font-weight:700;
  transition:background-color var(--ease),transform var(--ease);
}
.footer-form button:hover{background:var(--accent-hover);transform:translateY(-1px)}
.form-tip{min-height:20px;margin-top:8px;font-size:13px;color:var(--accent-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:32px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(233,237,232,.6);
}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .nav-entries.collapse{display:flex!important;height:auto!important;overflow:visible!important}
}
@media (max-width:1199.98px){
  .hero h1{font-size:42px}
  .hero-grid{gap:36px}
}
@media (max-width:991.98px){
  .nav-panel{flex-wrap:wrap;min-height:76px;padding:12px}
  .nav-toggle{display:inline-flex}
  .nav-entries{width:100%;justify-content:flex-start;order:4}
  .nav-entries.collapse:not(.show){display:none}
  .nav-entries.collapse.show,
  .nav-entries.collapsing{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:8px;
    width:100%;
    margin-top:12px;
    padding-top:12px;
    border-top:1px solid var(--line);
  }
  .nav-entry{justify-content:flex-start;height:42px}
  .nav-cta{order:3;margin-left:auto}
  .hero{padding:24px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2;aspect-ratio:16/10}
  .hero h1{font-size:36px}
  .section{padding:64px 0}
  .section-tight{padding-bottom:64px}
  .section-head h2{font-size:28px}
  .group-grid{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:40px;gap:28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-note{text-align:left;width:100%}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-col + .footer-col{border-left:0;padding-left:0}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:575.98px){
  .shell{padding:0 16px}
  .site-header{padding:12px 0 8px}
  .logo-text{font-size:15px}
  .nav-cta{width:100%;margin-left:0;order:5}
  .nav-entry{font-size:12px;padding:0 10px}
  .hero h1{font-size:30px;line-height:1.25}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .btn-main,.btn-line,.btn-onDark{width:100%;height:46px;font-size:14px}
  .trust-row{gap:14px;flex-direction:column;align-items:flex-start}
  .section{padding:48px 0}
  .section-tight{padding-bottom:48px}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:24px}
  .section-lead{font-size:15px}
  .entry-grid{grid-template-columns:1fr;gap:16px}
  .entry-card{padding:22px}
  .steps{grid-template-columns:1fr;gap:14px}
  .accordion-button{padding:16px 18px;font-size:16px}
  .accordion-body{padding:2px 18px 18px;font-size:14px}
  .cta-panel{padding:26px;border-radius:var(--r-md)}
  .cta-panel h2{font-size:24px}
  .cta-actions{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .footer-form{flex-direction:column}
  .footer-form button{width:100%}
}

/* roulang page: category2 */
:root{
  --ink:#10241E;
  --ink-2:#2C3F38;
  --brand:#1F6E58;
  --accent:#C8F250;
  --accent-2:#FF8A4C;
  --bg:#F5F3EC;
  --surface:#FFFFFF;
  --line:#E1DFD3;
  --muted:#5C6B64;
  --soft:#F1EFE6;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,30,.05), 0 8px 24px rgba(16,36,30,.06);
  --shadow-2:0 2px 6px rgba(16,36,30,.08), 0 18px 48px rgba(16,36,30,.10);
  --ease:.18s ease;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--ink);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(31,110,88,.35);outline-offset:2px;border-radius:6px;}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 4px;
  background:linear-gradient(to bottom, var(--bg) 62%, rgba(245,243,236,0));
}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:12px 16px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;flex-shrink:0;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--accent);
  border:2px solid var(--ink);
  display:inline-block;position:relative;flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;left:4px;top:4px;right:4px;bottom:4px;
  background:var(--ink);border-radius:2px;opacity:.85;
}
.logo-text{font-size:16px;letter-spacing:-.01em;white-space:nowrap;}
.nav-entries{display:flex;align-items:center;justify-content:center;gap:8px;flex:1;min-width:0;}
.nav-entry{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 12px;
  border-radius:var(--r-sm);
  background:var(--soft);
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;font-weight:600;white-space:nowrap;
  transition:all var(--ease);
}
.nav-entry i{font-size:13px;color:var(--brand);transition:color var(--ease);}
.nav-entry:hover{background:rgba(200,242,80,.35);border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.nav-entry.active{background:var(--ink);border-color:var(--ink);color:#F5F3EC;}
.nav-entry.active i{color:var(--accent);}
.nav-entry.active:hover{color:#F5F3EC;transform:translateY(-1px);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;flex-shrink:0;
  border-radius:var(--r-pill);
  background:var(--accent);border:1.5px solid var(--ink);
  color:var(--ink);font-size:14px;font-weight:700;white-space:nowrap;
  transition:all var(--ease);
}
.nav-cta:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-cta:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;flex-shrink:0;
  border-radius:var(--r-sm);
  background:var(--soft);border:1px solid var(--line);
  color:var(--ink);font-size:16px;
  transition:all var(--ease);
}
.nav-toggle:hover{background:rgba(200,242,80,.35);border-color:var(--ink);}

/* ---------- Hero ---------- */
.page-hero{padding:36px 0 20px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;align-items:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0;padding:0;list-style:none;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:20px;padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(200,242,80,.32);
  border:1px solid var(--ink);
  font-size:12px;font-weight:700;color:var(--ink);
}
.hero-copy h1{
  font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 0;max-width:16em;
}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-2);margin:16px 0 0;max-width:34em;}
.hero-text{font-size:15px;line-height:1.8;color:var(--muted);margin:14px 0 0;max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:all var(--ease);
}
.btn-main{background:var(--accent);border:1.5px solid var(--ink);color:var(--ink);}
.btn-main:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(200,242,80,.28);color:var(--ink);}
.btn-ghost:active{background:rgba(200,242,80,.45);}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;font-size:13px;color:var(--muted);}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust i{color:var(--brand);font-size:14px;}
.hero-visual{position:relative;}
.visual-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-1);}
.visual-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.visual-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(16,36,30,.35) 1px, transparent 1px);
  background-size:14px 14px;opacity:.28;
}
.visual-notch{
  position:absolute;right:0;bottom:0;width:42%;height:26%;
  background:var(--accent);opacity:.92;
  clip-path:polygon(100% 0,100% 100%,0 100%);
}

/* ---------- Section ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.title-bar{display:block;width:40px;height:6px;border-radius:3px;background:var(--accent);margin-bottom:16px;}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:0 0 12px;}
.section-head p{margin:0;font-size:16px;line-height:1.8;color:var(--muted);}

/* ---------- Index layout ---------- */
.index-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;}
.toc{
  position:sticky;top:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  padding:22px 20px;
}
.toc h3{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--muted);margin:0 0 14px;}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.toc-list a{
  display:block;padding:9px 12px;
  border-radius:10px;border-left:3px solid transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all var(--ease);
}
.toc-list a:hover,.toc-list a.is-active{background:var(--soft);border-left-color:var(--accent);color:var(--ink);}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--muted);}

.index-group{margin-bottom:36px;scroll-margin-top:120px;}
.index-group:last-child{margin-bottom:0;}
.index-group > h3{
  font-size:20px;font-weight:700;margin:0 0 6px;
  padding-left:14px;border-left:4px solid var(--accent);line-height:1.4;
}
.group-note{margin:0 0 18px;padding-left:18px;font-size:14px;color:var(--muted);}
.index-item{
  display:grid;grid-template-columns:46px minmax(0,1fr) auto;
  gap:16px;align-items:center;
  min-height:88px;padding:18px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  color:var(--ink);
  transition:all var(--ease);
}
.index-item+.index-item{margin-top:12px;}
.index-item:hover{color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink-2);}
.index-num{
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--soft);border:1px solid var(--line);
  font-size:13px;font-weight:800;color:var(--ink);
  transition:all var(--ease);
}
.index-item:hover .index-num{background:var(--accent);border-color:var(--ink);}
.index-item h4{margin:0 0 4px;font-size:17px;font-weight:700;line-height:1.5;}
.index-item p{margin:0;font-size:14px;line-height:1.7;color:var(--muted);}
.index-go{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap;
}
.index-item:hover .index-go{color:var(--ink);}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  padding:24px;
  transition:all var(--ease);
  height:100%;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.scene-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-sm);background:var(--ink);
  margin-bottom:18px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.02em;
}
.badge-line{background:transparent;border:1px solid var(--accent-2);color:var(--accent-2);}
.scene-card h3{font-size:19px;font-weight:700;line-height:1.45;margin:14px 0 10px;}
.scene-card p{margin:0;font-size:15px;line-height:1.75;color:var(--muted);}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--muted);}

/* ---------- Flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  padding:24px;
  transition:all var(--ease);
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.step-num{font-size:28px;font-weight:800;line-height:1;color:var(--brand);letter-spacing:-.02em;}
.flow-step h3{font-size:17px;font-weight:700;margin:14px 0 8px;}
.flow-step p{margin:0;font-size:14px;line-height:1.75;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.faq-list .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-list .accordion-item:last-child{margin-bottom:0;}
.faq-list .accordion-button{
  position:relative;
  font-size:17px;font-weight:700;color:var(--ink);
  background:var(--surface);
  padding:18px 56px 18px 24px;
  box-shadow:none;
  transition:background-color var(--ease),color var(--ease);
}
.faq-list .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;
  width:4px;border-radius:0 2px 2px 0;background:var(--accent);
}
.faq-list .accordion-button::after{
  content:"+";
  background-image:none;
  width:28px;height:28px;
  display:grid;place-items:center;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--brand);
  transform:none;
  transition:transform var(--ease),color var(--ease);
}
.faq-list .accordion-button:not(.collapsed){
  background:#FBFAF4;color:var(--ink);box-shadow:none;
}
.faq-list .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--ink);}
.faq-list .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.faq-list .accordion-button:focus-visible{outline:3px solid rgba(31,110,88,.35);outline-offset:-3px;}
.faq-list .accordion-body{
  padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);background:#FBFAF4;
}
.side-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  padding:24px;
}
.side-panel h3{font-size:16px;font-weight:700;margin:0 0 14px;}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;
  font-size:14px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
  transition:all var(--ease);
}
.side-list li:last-child a{border-bottom:0;}
.side-list a:hover{color:var(--ink);padding-left:6px;}
.side-list i{font-size:11px;color:var(--brand);}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--ink);color:#E9EDE8;
  border-radius:var(--r-lg);
  padding:56px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;align-items:center;
}
.cta-block::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(200,242,80,.55) 1px, transparent 1px);
  background-size:18px 18px;opacity:.16;
}
.cta-block > *{position:relative;z-index:1;}
.cta-block h2{font-size:32px;line-height:1.25;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:-.01em;}
.cta-block p{font-size:15px;line-height:1.8;color:rgba(233,237,232,.78);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-side{display:flex;flex-direction:column;gap:14px;}
.cta-stat{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.cta-stat strong{font-size:20px;color:var(--accent);font-weight:800;line-height:1;}
.cta-stat span{font-size:14px;color:rgba(233,237,232,.82);}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--ink);color:#E9EDE8;
  border-top:1px solid var(--accent);
  padding-top:64px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;color:#fff;margin:0 0 16px;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(233,237,232,.72);margin:14px 0 0;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(233,237,232,.75);}
.footer-col ul a:hover{color:var(--accent);}
.footer-brand .logo-text{color:#fff;font-size:16px;}
.footer-form{display:flex;gap:8px;margin-top:14px;}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 12px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;
  transition:all var(--ease);
}
.footer-form input::placeholder{color:rgba(233,237,232,.5);}
.footer-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,242,80,.22);}
.footer-form button{
  height:44px;padding:0 18px;flex-shrink:0;
  border:0;border-radius:var(--r-sm);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;
  transition:all var(--ease);
}
.footer-form button:hover{background:#B5E23F;transform:translateY(-1px);}
.footer-form button:active{transform:translateY(0);}
.form-tip{font-size:13px;line-height:1.6;color:var(--accent-2);margin:10px 0 0;min-height:1.2em;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  font-size:13px;color:rgba(233,237,232,.6);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .hero-copy h1{font-size:42px;}
  .nav-entry{padding:0 10px;font-size:12.5px;}
  .cta-block{padding:44px;}
}

@media (max-width:991.98px){
  .nav-panel{flex-wrap:wrap;row-gap:10px;}
  .logo{flex:1 1 auto;min-width:0;order:0;}
  .nav-cta{order:1;height:40px;padding:0 16px;font-size:13px;}
  .nav-toggle{display:inline-flex;order:2;}
  .nav-entries{
    order:3;flex:1 0 100%;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:8px;padding-top:4px;
  }
  .nav-entry{width:100%;justify-content:flex-start;height:44px;font-size:14px;}

  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .hero-copy h1{font-size:36px;max-width:none;}
  .hero-sub{font-size:17px;}
  .hero-visual{order:2;}

  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .section-head h2{font-size:27px;}

  .index-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .toc{position:static;}
  .toc-list{flex-direction:row;flex-wrap:wrap;}
  .toc-list a{font-size:13px;padding:8px 12px;}

  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}

  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}

  .cta-block{grid-template-columns:minmax(0,1fr);padding:36px;gap:28px;}
  .cta-block h2{font-size:27px;}

  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;margin-top:64px;}
}

@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .site-header{padding:12px 0 2px;}
  .nav-panel{padding:10px 12px;border-radius:var(--r-md);}
  .logo-text{font-size:14.5px;}
  .nav-cta{height:38px;padding:0 14px;font-size:12.5px;}
  .nav-toggle{width:40px;height:38px;}

  .page-hero{padding:24px 0 12px;}
  .hero-copy h1{font-size:30px;line-height:1.25;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-main,.btn-ghost{width:100%;}
  .hero-trust{gap:12px;flex-direction:column;}

  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:23px;}

  .index-item{grid-template-columns:38px minmax(0,1fr);padding:16px;}
  .index-go{display:none;}
  .index-num{width:34px;height:34px;}

  .card-grid{grid-template-columns:minmax(0,1fr);}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .scene-card,.flow-step,.side-panel{padding:20px;}

  .faq-list .accordion-button{font-size:15.5px;padding:16px 48px 16px 20px;}
  .faq-list .accordion-button::after{width:24px;height:24px;font-size:18px;}
  .faq-list .accordion-body{padding:0 20px 20px;font-size:14.5px;}

  .cta-block{padding:26px 20px;border-radius:var(--r-md);}
  .cta-block h2{font-size:22px;}
  .cta-actions{flex-direction:column;}
  .cta-stat{flex-direction:column;align-items:flex-start;gap:6px;}

  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-form{flex-wrap:wrap;}
  .footer-form button{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12.5px;}
}

/* roulang page: category3 */
:root{
  --ink:#10241E;
  --ink-2:#2C3F38;
  --brand:#1F6E58;
  --accent:#C8F250;
  --accent-2:#FF8A4C;
  --bg:#F5F3EC;
  --surface:#FFFFFF;
  --line:#E1DFD3;
  --muted:#5C6B64;
  --soft:#F1EFE6;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,30,.05), 0 8px 24px rgba(16,36,30,.06);
  --shadow-2:0 2px 6px rgba(16,36,30,.08), 0 18px 48px rgba(16,36,30,.10);
  --ease:.18s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(16,36,30,.055) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--ink)}
img{max-width:100%;display:block}
button,input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--accent);color:var(--ink)}
.shell{max-width:1200px;margin:0 auto;padding:0 20px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:16px 0 0;
  background:var(--bg);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:84px;
  padding:12px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
  font-weight:800;
  font-size:16px;
  letter-spacing:-.01em;
}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:26px;
  height:26px;
  border-radius:9px;
  background:var(--accent);
  border:1.5px solid var(--ink);
  box-shadow:2px 2px 0 var(--ink);
  position:relative;
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:3px;
  background:var(--ink);
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  border:1.5px solid var(--ink);
  background:var(--surface);
  color:var(--ink);
  transition:all var(--ease);
}
.nav-toggle:hover{background:rgba(200,242,80,.35)}
.nav-entries.collapse{display:flex;flex:1;gap:8px;justify-content:center;align-items:center}
.nav-entry{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-sm);
  background:var(--soft);
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
  transition:all var(--ease);
}
.nav-entry i{font-size:13px;color:var(--brand)}
.nav-entry:hover{background:rgba(200,242,80,.35);border-color:var(--ink);color:var(--ink)}
.nav-entry.active{
  background:var(--ink);
  border-color:var(--ink);
  color:#EFF5EC;
}
.nav-entry.active i{color:var(--accent)}
.nav-entry:focus-visible,.logo:focus-visible,.nav-cta:focus-visible,.nav-toggle:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(31,110,88,.28);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--accent);
  border:1.5px solid var(--ink);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  white-space:nowrap;
  flex-shrink:0;
  transition:all var(--ease);
}
.nav-cta:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all var(--ease);
  text-align:center;
}
.btn-primary{background:var(--accent);color:var(--ink);border-color:var(--ink)}
.btn-primary:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:rgba(200,242,80,.28);color:var(--ink)}
.btn-dark{background:var(--ink);color:#EFF5EC;border-color:var(--ink)}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,110,88,.28)}

/* ---------- hero ---------- */
.page-hero{padding:40px 0 0}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:24px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{opacity:.55}
.crumbs .current{color:var(--ink);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(31,110,88,.08);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  margin-bottom:18px;
}
.hero-copy h1{
  font-size:48px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-copy h1 .hl{
  position:relative;
  display:inline-block;
  z-index:0;
}
.hero-copy h1 .hl::after{
  content:"";
  position:absolute;
  left:-2px;
  right:-2px;
  bottom:6px;
  height:12px;
  background:var(--accent);
  border-radius:6px;
  z-index:-1;
}
.lead{font-size:19px;line-height:1.65;color:var(--ink-2);font-weight:600;margin-bottom:16px}
.hero-desc{color:var(--muted);font-size:15px;max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:var(--muted)}
.trust-row li{display:inline-flex;align-items:center;gap:8px}
.trust-row i{color:var(--brand);font-size:14px}
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background-color:var(--ink);
  background-image:radial-gradient(rgba(200,242,80,.22) 1px, transparent 1px);
  background-size:16px 16px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.hero-media{aspect-ratio:4/3;position:relative}
.hero-media::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:64px;
  background:linear-gradient(135deg, transparent 0 48%, rgba(200,242,80,.9) 48% 100%);
  opacity:.85;
  clip-path:polygon(100% 100%, 0 100%, 100% 0);
}

/* ---------- quick entries ---------- */
.quick{padding:64px 0 0}
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.entry-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:all var(--ease);
  color:var(--ink);
}
.entry-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:var(--ink);
  color:var(--ink);
}
.entry-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  background:rgba(200,242,80,.45);
  border:1px solid var(--ink);
  color:var(--ink);
  font-size:16px;
  margin-bottom:14px;
}
.entry-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.entry-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}

/* ---------- sections ---------- */
.section{padding:88px 0 0}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.25;margin-bottom:12px}
.section-head .rule{width:40px;height:6px;border-radius:4px;background:var(--accent);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:last-of-type{border-bottom:0}
.feature-row.reverse .feature-media{order:2}
.feature-media{aspect-ratio:16/11}
.feature-body .num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:14px;
}
.feature-body h3{font-size:22px;font-weight:700;margin-bottom:12px}
.feature-body p{color:var(--muted);font-size:15px;margin-bottom:14px}
.check-list{display:grid;gap:8px;margin-top:6px}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:14px;
  height:8px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:all var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step .idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--accent);
  border:1.5px solid var(--ink);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.accordion.faq{border:0;background:transparent}
.accordion.faq .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  position:relative;
}
.accordion.faq .accordion-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--accent);
}
.accordion.faq .accordion-button{
  background:var(--surface);
  color:var(--ink);
  font-size:17px;
  font-weight:700;
  padding:20px 24px 20px 28px;
  box-shadow:none;
  border:0;
  display:flex;
  align-items:center;
  gap:16px;
  transition:background var(--ease);
}
.accordion.faq .accordion-button:not(.collapsed){
  background:#FBFAF4;
  color:var(--ink);
  box-shadow:none;
}
.accordion.faq .accordion-button::after{display:none}
.accordion.faq .accordion-button:focus{box-shadow:none}
.accordion.faq .accordion-button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,110,88,.28) inset}
.acc-sign{
  margin-left:auto;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--soft);
  border:1px solid var(--line);
  position:relative;
  transition:transform var(--ease), background var(--ease);
}
.acc-sign::before,.acc-sign::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
}
.acc-sign::before{width:12px;height:2px}
.acc-sign::after{width:2px;height:12px}
.accordion.faq .accordion-button:not(.collapsed) .acc-sign{transform:rotate(45deg);background:var(--accent);border-color:var(--ink)}
.accordion.faq .accordion-body{
  padding:0 28px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

/* ---------- CTA band ---------- */
.cta-section{padding:88px 0 0}
.cta-band{
  background:var(--ink);
  color:#E9EDE8;
  border-radius:var(--r-lg);
  padding:56px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
  box-shadow:var(--shadow-2);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:radial-gradient(rgba(200,242,80,.35) 1.5px, transparent 1.5px);
  background-size:14px 14px;
  opacity:.7;
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;font-weight:700;margin-bottom:14px;line-height:1.3}
.cta-band p{color:rgba(233,237,232,.78);font-size:15px;margin:0}
.cta-form{position:relative;z-index:1}
.field-label{display:block;font-size:13px;color:rgba(233,237,232,.8);margin-bottom:8px;font-weight:600}
.field-row{display:flex;gap:12px}
.field-row input{
  flex:1;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15px;
  transition:all var(--ease);
}
.field-row input::placeholder{color:rgba(233,237,232,.5)}
.field-row input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(200,242,80,.22);
  background:rgba(255,255,255,.1);
}
.form-tip{font-size:13px;margin-top:10px;color:rgba(233,237,232,.72);min-height:20px}
.form-tip.is-error{color:var(--accent-2)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--ink);
  color:#E9EDE8;
  border-top:1px solid var(--accent);
  padding:64px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:0;
}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(233,237,232,.78);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer .logo:hover{color:#fff}
.footer-brand p{color:rgba(233,237,232,.72);font-size:14px;max-width:320px;line-height:1.8}
.footer-col p{color:rgba(233,237,232,.72);font-size:14px}
.footer-form{display:flex;gap:8px;margin-top:14px}
.footer-form input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  transition:all var(--ease);
}
.footer-form input::placeholder{color:rgba(233,237,232,.5)}
.footer-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,242,80,.22)}
.footer-form button{
  height:44px;
  padding:0 18px;
  border-radius:var(--r-sm);
  border:1.5px solid var(--accent);
  background:var(--accent);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:all var(--ease);
  white-space:nowrap;
}
.footer-form button:hover{background:#B5E23F;transform:translateY(-1px)}
.footer-form button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(200,242,80,.35)}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(233,237,232,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-copy h1{font-size:42px}
  .cta-band{padding:44px}
}
@media (max-width:991.98px){
  .site-header{padding-top:12px}
  .nav-panel{flex-wrap:wrap;gap:12px;min-height:auto;padding:12px}
  .nav-toggle{display:inline-flex;margin-left:auto;order:2}
  .nav-entries.collapse{order:4;flex-basis:100%;justify-content:flex-start;flex-wrap:wrap;gap:8px}
  .nav-entries.collapse:not(.show){display:none}
  .nav-entries.collapse.show{display:flex;padding-top:12px;border-top:1px solid var(--line)}
  .nav-entry{flex:1 1 calc(50% - 4px);justify-content:flex-start;height:44px;font-size:13px}
  .nav-cta{order:5;flex-basis:100%;height:46px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy h1{font-size:36px}
  .hero-media{aspect-ratio:16/10}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0 0}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .feature-row.reverse .feature-media{order:0}
  .feature-media{aspect-ratio:16/9}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-section{padding:64px 0 0}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .footer-col{border-left:0;padding:0}
  .footer-col:nth-child(even){padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:575.98px){
  .shell{padding:0 16px}
  .hero-copy h1{font-size:30px;line-height:1.25}
  .lead{font-size:17px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .trust-row{gap:12px;font-size:12px}
  .entry-grid{grid-template-columns:1fr}
  .section{padding:48px 0 0}
  .section-head h2{font-size:26px}
  .steps{grid-template-columns:1fr}
  .accordion.faq .accordion-button{font-size:16px;padding:16px 18px 16px 22px}
  .accordion.faq .accordion-body{padding:0 22px 18px}
  .cta-section{padding:48px 0 0}
  .cta-band{padding:28px 22px;border-radius:var(--r-md)}
  .cta-band h2{font-size:24px}
  .field-row{flex-direction:column}
  .field-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;row-gap:32px}
  .footer-col:nth-child(even){padding-left:0;border-left:0}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{margin-top:48px}
}

/* roulang page: category4 */
:root{
  --ink:#10241E;
  --ink-2:#2C3F38;
  --brand:#1F6E58;
  --accent:#C8F250;
  --accent-2:#FF8A4C;
  --bg:#F5F3EC;
  --surface:#FFFFFF;
  --line:#E1DFD3;
  --muted:#5C6B64;
  --soft:#F1EFE6;
  --soft-2:#FBFAF4;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,36,30,.05),0 8px 24px rgba(16,36,30,.06);
  --shadow-2:0 2px 6px rgba(16,36,30,.08),0 18px 48px rgba(16,36,30,.10);
  --bs-body-bg:#F5F3EC;
  --bs-body-color:#10241E;
  --bs-border-color:#E1DFD3;
  --bs-primary:#1F6E58;
  --bs-link-color:#1F6E58;
  --bs-link-hover-color:#10241E;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,110,88,.28);border-radius:10px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:16px;z-index:60;padding-top:16px;}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:12px 16px;
  min-height:84px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.02em;flex:0 0 auto;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  box-shadow:inset 0 0 0 2px rgba(16,36,30,.10);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:var(--ink);opacity:.85;
}
.logo-text{font-size:17px;white-space:nowrap;}
.nav-entries{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;flex-wrap:wrap;}
.nav-entry{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 14px;
  border-radius:var(--r-sm);
  background:var(--soft);
  color:var(--ink-2);
  font-size:13px;font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  white-space:nowrap;
}
.nav-entry i{font-size:13px;color:var(--brand);transition:color .18s ease;}
.nav-entry:hover{background:rgba(200,242,80,.35);border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.nav-entry.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.nav-entry.active i{color:var(--accent);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;white-space:nowrap;
  box-shadow:0 1px 2px rgba(16,36,30,.10);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  flex:0 0 auto;
}
.nav-cta:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-cta:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--soft);color:var(--ink);font-size:16px;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:rgba(200,242,80,.35);border-color:var(--ink);}

/* ============ 面包屑 / Hero ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:24px 0 16px;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{color:#B9B7A9;}
.crumbs .current{color:var(--ink-2);font-weight:600;}

.page-hero{padding:0 0 8px;}
.hero-card{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:40px;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;
}
.hero-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(16,36,30,.10) 1px,transparent 1px);
  background-size:16px 16px;opacity:.5;
  mask-image:linear-gradient(115deg,transparent 40%,#000 100%);
  -webkit-mask-image:linear-gradient(115deg,transparent 40%,#000 100%);
}
.hero-copy{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(31,110,88,.10);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  margin-bottom:18px;
}
.hero-eyebrow i{font-size:11px;}
.hero-title{
  font-size:42px;line-height:1.18;font-weight:800;letter-spacing:-.02em;
  margin-bottom:10px;
}
.hero-title .dot{
  display:inline-block;width:40px;height:6px;border-radius:3px;
  background:var(--accent);margin-top:14px;vertical-align:middle;
}
.hero-title .name{display:block;font-size:20px;font-weight:700;color:var(--brand);margin-top:10px;letter-spacing:0;}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:34em;margin-top:14px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 1px 2px rgba(16,36,30,.10);
}
.btn-main:hover{background:#B5E23F;color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:transparent;color:var(--ink);font-size:15px;font-weight:700;
  border:1.5px solid var(--ink);cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:rgba(200,242,80,.28);color:var(--ink);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.hero-marks{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13px;color:var(--muted);}
.hero-marks span{display:inline-flex;align-items:center;gap:7px;}
.hero-marks i{font-size:12px;color:var(--brand);}

.hero-media{position:relative;z-index:2;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  background:var(--ink);
  box-shadow:var(--shadow-1);
}
.hero-media::after{
  content:"";position:absolute;left:0;right:22%;bottom:0;height:34%;
  background:var(--accent);
  clip-path:polygon(0 100%,0 34%,100% 100%);
  opacity:.92;border-bottom-left-radius:var(--r-lg);
  pointer-events:none;
}
.hero-badge{
  position:absolute;top:16px;left:16px;
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:12px;font-weight:700;
  z-index:3;
}
.hero-badge i{color:var(--accent);font-size:11px;}

/* ============ 快捷入口 ============ */
.quick-section{padding:24px 0 0;}
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.quick-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--ink);color:inherit;}
.quick-ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,110,88,.10);color:var(--brand);font-size:17px;
  transition:background .18s ease,color .18s ease;
}
.quick-card:hover .quick-ico{background:var(--accent);color:var(--ink);}
.quick-card h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.quick-card p{font-size:13px;line-height:1.7;color:var(--muted);}
.quick-card .quick-go{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--brand);margin-top:10px;}
.quick-card:hover .quick-go{color:var(--ink);}

/* ============ 板块头 ============ */
.section{padding:64px 0 0;}
.section-head{margin-bottom:28px;max-width:760px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.02em;}
.section-head h2::before{
  content:"";display:block;width:40px;height:6px;border-radius:3px;
  background:var(--accent);margin-bottom:14px;
}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);}

/* ============ FAQ 布局 ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:32px;align-items:start;}
.faq-group{margin-bottom:32px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;margin-bottom:14px;
}
.faq-group-title .num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:30px;padding:0 8px;border-radius:var(--r-sm);
  background:var(--ink);color:var(--accent);
  font-size:13px;font-weight:800;letter-spacing:.02em;
}
.faq-group-title .tip{font-size:13px;font-weight:500;color:var(--muted);}

.faq-accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-accordion .accordion-item:last-child{margin-bottom:0;}
.faq-accordion .accordion-header{margin:0;border:0;}
.faq-accordion .accordion-button{
  position:relative;
  width:100%;
  padding:18px 58px 18px 22px;
  background:var(--surface);
  color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.5;text-align:left;
  border:0;border-radius:0;box-shadow:none;
  transition:background .18s ease,color .18s ease;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--accent);
}
.faq-accordion .accordion-button::after{
  content:"+";
  position:absolute;right:18px;top:50%;margin-top:-13px;
  width:26px;height:26px;border-radius:50%;
  background:rgba(200,242,80,.55);
  color:var(--ink);
  font-size:17px;font-weight:700;line-height:24px;text-align:center;
  background-image:none;
  transition:transform .18s ease,background .18s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--soft-2);
  color:var(--ink);
  box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"+";
  transform:rotate(45deg);
  background:var(--accent);
}
.faq-accordion .accordion-button:focus,
.faq-accordion .accordion-button:focus-visible{
  box-shadow:0 0 0 3px rgba(31,110,88,.28);
  border-radius:var(--r-md);
  z-index:2;
}
.faq-accordion .accordion-button:hover{background:var(--soft-2);}
.faq-accordion .accordion-body{
  padding:0 22px 20px 22px;
  background:var(--soft-2);
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-accordion .accordion-body p + p{margin-top:10px;}
.faq-accordion .accordion-body .inline-tip{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:12px;padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,138,76,.45);background:rgba(255,138,76,.10);
  color:#9A4B1E;font-size:12px;font-weight:600;
}
.faq-accordion .accordion-body .inline-tip i{font-size:11px;}
.faq-accordion .accordion-collapse{border:0;}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.side-card .side-note{font-size:13px;color:var(--muted);margin-bottom:14px;}
.link-list li + li{border-top:1px solid var(--line);}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease,padding-left .18s ease,box-shadow .18s ease;
}
.link-list a i{font-size:11px;color:var(--brand);flex:0 0 auto;}
.link-list a:hover{color:var(--brand);padding-left:8px;box-shadow:inset 4px 0 0 var(--accent);}
.side-card.dark{
  background:var(--ink);color:#E9EDE8;border-color:var(--ink);
}
.side-card.dark h3{color:#fff;}
.side-card.dark .side-note{color:rgba(233,237,232,.72);}
.side-card.dark .link-list li + li{border-top-color:rgba(255,255,255,.12);}
.side-card.dark .link-list a{color:#E9EDE8;}
.side-card.dark .link-list a:hover{color:var(--accent);box-shadow:inset 4px 0 0 var(--accent);}
.side-card.dark .link-list a i{color:var(--accent);}

/* ============ 准备提示条 ============ */
.prepare-strip{
  margin-top:56px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:28px 32px;
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;align-items:center;
}
.prepare-lead{display:flex;align-items:center;gap:14px;}
.prepare-lead .p-ico{
  width:46px;height:46px;border-radius:var(--r-sm);
  background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto;
}
.prepare-lead h3{font-size:18px;font-weight:700;}
.prepare-lead p{font-size:13px;color:var(--muted);}
.prepare-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.prepare-list li{font-size:14px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start;}
.prepare-list li .n{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:rgba(31,110,88,.10);color:var(--brand);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}

/* ============ CTA ============ */
.cta-section{padding:72px 0 0;}
.cta-block{
  background:var(--ink);
  color:#E9EDE8;
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-2);
}
.cta-block::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(200,242,80,.14);pointer-events:none;
}
.cta-block h2{color:#fff;font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.02em;}
.cta-block p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(233,237,232,.78);}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-tags span{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);
  font-size:12px;font-weight:600;color:#E9EDE8;
}
.cta-tags span i{color:var(--accent);font-size:11px;}
.cta-form-wrap{position:relative;z-index:2;}
.field-label{display:block;font-size:13px;font-weight:600;color:rgba(233,237,232,.86);margin-bottom:8px;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 200px;min-width:0;
  height:48px;padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-form input::placeholder{color:rgba(233,237,232,.55);}
.cta-form input:focus{
  outline:none;border-color:var(--accent);
  background:rgba(255,255,255,.10);
  box-shadow:0 0 0 3px rgba(200,242,80,.28);
}
.cta-form button{
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:0;background:var(--accent);color:var(--ink);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.cta-form button:hover{background:#B5E23F;transform:translateY(-1px);}
.cta-form button:active{transform:translateY(0);}
.form-tip{font-size:13px;color:var(--accent-2);margin-top:10px;min-height:20px;}
.form-tip.is-ok{color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{margin-top:80px;background:var(--ink);color:#E9EDE8;border-top:1px solid var(--accent);}
.site-footer .shell{padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-text{font-size:18px;}
.footer-brand p{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(233,237,232,.72);max-width:30em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13px;color:rgba(233,237,232,.78);transition:color .18s ease,padding-left .18s ease;}
.footer-col ul a:hover{color:var(--accent);padding-left:4px;}
.footer-col > p{font-size:13px;line-height:1.8;color:rgba(233,237,232,.72);margin-bottom:12px;}
.footer-form{display:flex;gap:8px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 130px;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:13px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.footer-form input::placeholder{color:rgba(233,237,232,.55);}
.footer-form input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.10);box-shadow:0 0 0 3px rgba(200,242,80,.28);}
.footer-form button{
  height:44px;padding:0 20px;border-radius:var(--r-pill);border:0;
  background:var(--accent);color:var(--ink);font-size:13px;font-weight:700;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.footer-form button:hover{background:#B5E23F;transform:translateY(-1px);}
.footer-col .form-tip{margin-top:8px;}
.footer-bottom{
  margin-top:40px;padding:18px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;
  font-size:13px;color:rgba(233,237,232,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-card{padding:34px;gap:30px;}
  .hero-title{font-size:36px;}
}
@media (max-width:991.98px){
  .nav-panel{flex-wrap:wrap;gap:12px;min-height:auto;padding:12px 14px;}
  .nav-toggle{display:inline-flex;}
  .nav-entries{
    flex:1 1 100%;justify-content:flex-start;
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
    padding-top:12px;border-top:1px solid var(--line);margin-top:4px;
  }
  .nav-entries.collapse:not(.show){display:none;}
  .nav-entry{height:44px;justify-content:flex-start;font-size:14px;}
  .nav-cta{order:3;flex:1 1 100%;height:48px;}
  .hero-card{grid-template-columns:minmax(0,1fr);padding:30px;gap:26px;}
  .hero-media{order:2;}
  .hero-title{font-size:32px;}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:minmax(0,1fr);}
  .side-sticky{position:static;}
  .prepare-strip{grid-template-columns:minmax(0,1fr);gap:20px;padding:24px;}
  .prepare-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-block{grid-template-columns:minmax(0,1fr);padding:36px;gap:28px;}
  .cta-block h2{font-size:26px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .footer-col{padding:0 24px;}
  .footer-col:nth-child(odd){padding-left:0;border-left:0;}
  .footer-col:nth-child(even){padding-right:0;}
}
@media (max-width:767.98px){
  .hero-title{font-size:29px;}
  .hero-title .name{font-size:17px;}
  .hero-sub{font-size:15px;}
  .section-head h2{font-size:24px;}
  .cta-block h2{font-size:23px;}
  .section{padding:48px 0 0;}
  .quick-grid{grid-template-columns:minmax(0,1fr);}
  .prepare-list{grid-template-columns:minmax(0,1fr);}
  .cta-section{padding:52px 0 0;}
  .cta-block{padding:28px;}
  .faq-accordion .accordion-button{font-size:16px;padding:16px 52px 16px 20px;}
  .faq-accordion .accordion-button::after{right:14px;}
  .site-footer .shell{padding-top:40px;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .hero-card{padding:22px;gap:22px;}
  .hero-title{font-size:26px;line-height:1.28;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-main,.btn-ghost{width:100%;}
  .hero-marks{gap:12px;font-size:12px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px 0;}
  .footer-col{padding:0 !important;border-left:0 !important;border-top:1px solid rgba(255,255,255,.12);padding-top:24px !important;}
  .footer-col:first-child{border-top:0;padding-top:0 !important;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .prepare-strip{padding:20px;}
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-form button{width:100%;}
}