/* roulang page: index */
:root{
  --ink:#0B2B22;
  --pitch:#14513C;
  --lime:#C8F04A;
  --flame:#FF5B2E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E3E6DE;
  --text:#16211C;
  --muted:#5E6A63;
  --r-card:14px;
  --r-input:10px;
  --r-btn:10px;
  --sh-rest:0 1px 2px rgba(11,43,34,.06), 0 10px 28px -14px rgba(11,43,34,.20);
  --sh-hover:0 2px 4px rgba(11,43,34,.08), 0 18px 40px -18px rgba(11,43,34,.28);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

.container-x{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 24px}}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.82);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0;flex-wrap:wrap}
.topbar .dot{width:7px;height:7px;border-radius:999px;background:var(--lime);display:inline-block;margin-right:8px;vertical-align:1px}
.topbar strong{color:var(--lime);font-weight:600}
.topbar span.sep{opacity:.35;margin:0 10px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;
  transition:background 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 20px -16px rgba(11,43,34,.45)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;transition:min-height 180ms ease-out}
.site-header.is-scrolled .header-inner{min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--ink);display:grid;place-items:center;
  border:1px solid rgba(200,240,74,.35);flex:0 0 auto;
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.nav-tabs{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text);font-size:14px;font-weight:500;
  letter-spacing:.01em;white-space:nowrap;transition:all 180ms ease-out;
}
.chip:hover{border-color:var(--pitch);color:var(--pitch)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
.chip.is-active:hover{background:#bde63c;border-color:#bde63c}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hamburger{
  width:44px;height:44px;display:none;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);cursor:pointer;transition:all 180ms ease-out;
}
.hamburger:hover{border-color:var(--pitch)}
.mobile-chips{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform 180ms ease-out,background 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out,color 180ms ease-out;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-rest)}
.btn-primary:hover{background:#bde63c;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--pitch);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--pitch);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pitch);
  border-bottom:1px solid rgba(20,81,60,.35);padding-bottom:2px;text-decoration:none;transition:all 180ms ease-out;
}
.btn-text:hover{color:#0d3a2b;border-bottom-color:var(--lime);border-bottom-width:2px;padding-bottom:1px}

/* ---------- 通用 ---------- */
.section{padding:var(--sec-y) 0}
.section-tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head h2{font-size:28px;font-weight:800;line-height:1.25;color:var(--ink)}
.sec-head .sec-sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:620px}
@media (min-width:1024px){.sec-head h2{font-size:32px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--pitch);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--lime)}
.on-dark .eyebrow{background:rgba(255,255,255,.06);border-color:rgba(200,240,74,.25);color:var(--lime)}
.badge{display:inline-flex;align-items:center;height:25px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600}
.badge-cat{background:#EEF6E0;color:var(--pitch)}
.badge-rec{background:var(--flame);color:#fff}
.badge-line{border:1px solid var(--line);color:var(--muted);background:#fff}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- HERO ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,240,74,.45),transparent);
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;padding:56px 0 64px;position:relative;z-index:2}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;padding:76px 0 84px;align-items:center}
}
.hero h1{font-size:31px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
@media (min-width:768px){.hero h1{font-size:40px}}
@media (min-width:1024px){.hero h1{font-size:48px}}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px}
@media (min-width:768px){.hero-lead{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px;max-width:520px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(200,240,74,.18);border-radius:12px;padding:14px 16px}
.stat .k{font-size:13px;color:rgba(255,255,255,.62)}
.stat .v{font-size:26px;font-weight:800;color:var(--lime);line-height:1.2;margin-top:2px}
.stat .v small{font-size:13px;font-weight:600;color:rgba(255,255,255,.7);margin-left:2px}
.hero-visual{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(200,240,74,.18)}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.hero-visual::before{content:"";position:absolute;inset:0;background:rgba(11,43,34,.18);z-index:1}
.hero-visual .pitch-line{
  position:absolute;left:6%;right:6%;top:50%;height:1px;background:rgba(200,240,74,.45);z-index:2;
}
.hero-visual .pitch-circle{
  position:absolute;left:50%;top:50%;width:112px;height:112px;margin:-56px 0 0 -56px;
  border:1px solid rgba(200,240,74,.35);border-radius:999px;z-index:2;
}
.hero-visual-tag{
  position:absolute;left:16px;bottom:16px;z-index:3;display:inline-flex;align-items:center;gap:8px;
  background:rgba(11,43,34,.82);border:1px solid rgba(200,240,74,.3);color:#fff;
  font-size:13px;padding:7px 14px;border-radius:999px;backdrop-filter:blur(4px);
}

/* ---------- 频道卡 ---------- */
.grid-3{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.channel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-rest);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.channel-card .thumb{position:relative;aspect-ratio:16/9;background:var(--pitch);overflow:hidden}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover}
.channel-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,43,34,0) 40%,rgba(11,43,34,.55))}
.channel-card .thumb .tag{position:absolute;left:14px;bottom:12px;z-index:2}
.channel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.channel-body h3{font-size:20px;font-weight:800;color:var(--ink);line-height:1.35}
.channel-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.channel-body .more{margin-top:auto;padding-top:8px}

/* ---------- 时间线 ---------- */
.timeline-wrap{overflow-x:auto;padding-bottom:12px;scrollbar-width:thin}
.timeline-wrap::-webkit-scrollbar{height:6px}
.timeline-wrap::-webkit-scrollbar-thumb{background:#cfd6cb;border-radius:999px}
.timeline{display:flex;gap:0;min-width:900px;position:relative;padding-top:26px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:31px;height:1px;background:var(--line)}
.tl-item{flex:1 0 0;padding-right:20px;position:relative}
.tl-node{width:10px;height:10px;border-radius:999px;background:var(--lime);border:2px solid var(--pitch);position:relative;z-index:2}
.tl-time{margin-top:16px;font-size:14px;font-weight:700;color:var(--pitch);font-variant-numeric:tabular-nums}
.tl-name{margin-top:4px;font-size:16px;font-weight:700;color:var(--ink)}
.tl-desc{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7;max-width:220px}
.tl-item .badge{margin-top:10px}

/* ---------- 专题交错 ---------- */
.feature-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media (min-width:900px){.feature-row{grid-template-columns:5fr 7fr;gap:36px}}
@media (min-width:900px){.feature-row.rev .f-img{order:2}}
.f-img{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-rest)}
.f-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.f-body h3{font-size:22px;font-weight:800;color:var(--ink);line-height:1.35}
.f-body p{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.85}
.f-list{margin-top:16px;display:grid;gap:10px}
.f-list li{display:flex;gap:10px;font-size:15px;color:var(--text);align-items:flex-start}
.f-list svg{flex:0 0 auto;margin-top:6px}
.feature-stack{display:grid;gap:56px}

/* ---------- 排行 ---------- */
.rank-board{background:var(--ink);color:#fff;border-radius:18px;padding:28px 24px;border:1px solid rgba(200,240,74,.18)}
@media (min-width:768px){.rank-board{padding:36px 40px}}
.rank-list{margin-top:20px;display:grid;gap:2px}
.rank-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
  padding:14px 12px;border-radius:10px;transition:background 180ms ease-out;
}
.rank-item:hover{background:rgba(200,240,74,.08)}
.rank-no{
  width:38px;height:38px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(200,240,74,.22);
  color:var(--lime);font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
}
.rank-item.top .rank-no{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.rank-title{font-size:15.5px;font-weight:600;color:#fff;line-height:1.5}
.rank-meta{font-size:13px;color:rgba(255,255,255,.55);margin-top:2px}
.rank-val{font-size:14px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- 资讯卡 ---------- */
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-rest);height:100%;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#e9ece5;position:relative}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .thumb .badge{position:absolute;left:12px;top:12px}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state .ico{width:56px;height:56px;border-radius:14px;background:#F1F6EC;display:grid;place-items:center;margin:0 auto 16px}
.empty-state h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}
.empty-state .btn{margin-top:18px}

/* ---------- 表单区 ---------- */
.subscribe{background:var(--ink);color:#fff}
.sub-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:var(--sec-y) 0}
@media (min-width:1024px){.sub-grid{grid-template-columns:7fr 5fr;gap:48px}}
.form-card{background:rgba(255,255,255,.04);border:1px solid rgba(200,240,74,.18);border-radius:16px;padding:26px 24px}
@media (min-width:768px){.form-card{padding:32px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.85);margin-bottom:8px}
.field .req{color:var(--flame);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;background:#fff;color:var(--text);border:1px solid transparent;border-radius:var(--r-input);
  padding:12px 14px;font-size:16px;transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.field input::placeholder,.field textarea::placeholder{color:#9aa49d}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,240,74,.3)}
.field textarea{min-height:92px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:640px){.form-row{grid-template-columns:1fr 1fr;gap:0 16px}}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.7}
.check input{width:18px;height:18px;margin-top:4px;accent-color:#C8F04A;flex:0 0 auto}
.form-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}
.form-msg{margin-top:14px;font-size:14px;color:var(--lime);min-height:20px}
.info-card{background:rgba(255,255,255,.05);border:1px solid rgba(200,240,74,.18);border-radius:16px;padding:26px 24px}
.info-card h3{font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.info-list{display:grid;gap:12px}
.info-list li{display:flex;justify-content:space-between;gap:16px;font-size:14.5px;color:rgba(255,255,255,.78);padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.14)}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list b{color:var(--lime);font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color 180ms ease-out,background 180ms ease-out}
.faq-item[open]{background:#F1F6EC;border-color:rgba(20,81,60,.25)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 20px;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-ico{transition:transform 200ms ease-out;flex:0 0 auto;color:var(--pitch)}
.faq-item[open] summary .faq-ico{transform:rotate(180deg)}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  padding:28px 24px;display:flex;flex-direction:column;gap:20px;align-items:flex-start;
}
@media (min-width:900px){.cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 40px}}
.cta-bar h2{font-size:22px;font-weight:800;color:var(--ink);line-height:1.35}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--muted);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px}
@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.foot-brand .brand-text{color:#fff}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-col ul{display:grid;gap:11px}
.foot-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color 180ms ease-out}
.foot-col a:hover{color:var(--lime)}
.foot-col li{font-size:14px;color:rgba(255,255,255,.68)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-direction:column;gap:12px;font-size:13px;color:rgba(255,255,255,.5);
}
@media (min-width:768px){.foot-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom .links a:hover{color:var(--lime)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:999px;
  background:rgba(11,43,34,.92);border:1px solid var(--lime);color:var(--lime);display:grid;place-items:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 200ms ease-out,transform 200ms ease-out,visibility 200ms ease-out;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--lime);color:var(--ink)}

/* ---------- 移动端 ---------- */
@media (max-width:1023px){
  .nav-tabs{display:none}
  .header-cta .btn{display:none}
  .hamburger{display:inline-flex}
  .mobile-chips{
    display:flex;gap:8px;overflow-x:auto;padding:0 20px 12px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .mobile-chips::-webkit-scrollbar{display:none}
  .mobile-chips .chip{flex:0 0 auto}
  .section{padding:64px 0}
}
@media (max-width:639px){
  .section{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .sec-head h2{font-size:24px}
  .hero-grid{padding:40px 0 48px;gap:32px}
  .hero-stats{grid-template-columns:1fr;max-width:none}
  .stat .v{font-size:24px}
  .rank-board{padding:22px 16px}
  .rank-item{grid-template-columns:auto 1fr;gap:12px}
  .rank-val{grid-column:2;justify-self:start}
  .to-top{right:14px;bottom:16px}
}
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(11,43,34,.5);
  opacity:0;visibility:hidden;transition:opacity 200ms ease-out,visibility 200ms ease-out;
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;
  padding:24px 22px;overflow-y:auto;transform:translateY(12px);transition:transform 200ms ease-out;
}
.drawer.open .drawer-panel{transform:translateY(0)}
.drawer-panel h4{font-size:15px;font-weight:800;color:var(--ink);margin:22px 0 12px}
.drawer-panel .chip{width:100%;justify-content:flex-start;height:44px;margin-bottom:10px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
    --ink:#0B2B22;
    --pitch:#14513C;
    --lime:#C8F04A;
    --flame:#FF5B2E;
    --paper:#F7F6F2;
    --card:#FFFFFF;
    --line:#E3E6DE;
    --text:#16211C;
    --muted:#5E6A63;
    --soft:#F1F6EC;
    --r-card:14px;
    --r-btn:10px;
    --sh-rest:0 1px 2px rgba(11,43,34,.06), 0 10px 28px -14px rgba(11,43,34,.20);
    --sh-hover:0 2px 4px rgba(11,43,34,.08), 0 18px 40px -18px rgba(11,43,34,.28);
    --t:180ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

  .container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
  @media (max-width:640px){.container-x{padding:0 18px}}

  /* ---------- 顶部阅读进度 ---------- */
  .read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--lime);z-index:120;transition:width 90ms linear}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:100;
    background:rgba(247,246,242,.86);
    backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;
    transition:background var(--t),border-color var(--t),box-shadow var(--t);
  }
  .site-header.is-scrolled{background:rgba(255,255,255,.92);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(11,43,34,.5)}
  .header-inner{display:flex;align-items:center;gap:20px;height:74px;transition:height var(--t)}
  .site-header.is-scrolled .header-inner{height:66px}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;background:var(--ink);
    display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  }
  .brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
  .nav-tabs{
    display:flex;align-items:center;gap:8px;flex:1 1 auto;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
  }
  .nav-tabs::-webkit-scrollbar{display:none}
  .chip{
    display:inline-flex;align-items:center;height:38px;padding:0 16px;flex:0 0 auto;
    border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);
    font-size:14px;font-weight:500;letter-spacing:.01em;white-space:nowrap;
    transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
  }
  .chip:hover{color:var(--ink);border-color:#C6D0C4;transform:translateY(-1px)}
  .chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
  .chip.is-active:hover{background:#BEE63C}
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .burger{
    display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;transition:border-color var(--t)
  }
  .burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t),opacity var(--t)}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;white-space:nowrap;
    transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  }
  .btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 10px 24px -16px rgba(11,43,34,.7)}
  .btn-primary:hover{background:#BEE63C}
  .btn-primary:active{transform:scale(.98)}
  .btn-flame{background:var(--flame);color:#fff}
  .btn-flame:hover{background:#F04E20}
  .btn-flame:active{transform:scale(.98)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--pitch);transform:translateY(-1px)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
  .btn[disabled]{opacity:.4;pointer-events:none}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pitch);
    border-bottom:1px solid rgba(20,81,60,.35);padding-bottom:2px;transition:color var(--t),border-color var(--t)
  }
  .btn-text:hover{color:#0B2B22;border-color:var(--lime)}

  /* ---------- 面包屑与文章头 ---------- */
  .article-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:44px 0 46px}
  .article-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;opacity:.24;
  }
  .article-hero::after{
    content:"";position:absolute;left:0;right:0;bottom:34px;height:1px;
    background:linear-gradient(90deg,rgba(200,240,74,0) 0,rgba(200,240,74,.35) 22%,rgba(200,240,74,.35) 78%,rgba(200,240,74,0) 100%);
  }
  .article-hero .container-x{position:relative;z-index:1}
  .crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.62);flex-wrap:wrap}
  .crumbs a{color:rgba(255,255,255,.78);transition:color var(--t)}
  .crumbs a:hover{color:var(--lime)}
  .crumbs .sep{width:14px;height:1px;background:rgba(255,255,255,.35);display:inline-block}
  .crumbs .now{color:#fff;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hero-badge{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
    background:rgba(200,240,74,.16);border:1px solid rgba(200,240,74,.42);color:var(--lime);
    font-size:12.5px;font-weight:600;letter-spacing:.02em
  }
  .article-hero h1{
    margin:20px 0 0;font-size:clamp(30px,4vw,50px);line-height:1.22;font-weight:800;letter-spacing:-.01em;color:#fff;
    max-width:880px;
  }
  .hero-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:22px;font-size:14px;color:rgba(255,255,255,.72)}
  .hero-meta b{color:var(--lime);font-weight:700}
  .hero-meta .dot{width:5px;height:5px;border-radius:50%;background:rgba(200,240,74,.7)}

  /* ---------- 布局 ---------- */
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;padding:56px 0 72px}
  .layout.no-side{grid-template-columns:minmax(0,1fr);max-width:840px;margin:0 auto}
  @media (max-width:1023px){.layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:40px 0 56px}}

  .article-shell{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-rest);padding:44px 48px}
  @media (max-width:640px){.article-shell{padding:26px 20px;border-radius:12px}}

  /* ---------- 正文 ---------- */
  .article-body{font-size:17.5px;line-height:1.9;color:var(--text);max-width:760px}
  .article-body p{margin:0 0 1.3em}
  .article-body h2{
    font-size:26px;line-height:1.35;font-weight:800;color:var(--ink);
    margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--lime)
  }
  .article-body h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--ink);margin:30px 0 12px}
  .article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
  .article-body ul li{list-style:disc;margin:.45em 0}
  .article-body ol li{list-style:decimal;margin:.45em 0}
  .article-body li::marker{color:var(--pitch)}
  .article-body blockquote{
    margin:26px 0;padding:18px 22px;background:var(--soft);
    border-left:4px solid var(--pitch);border-radius:0 12px 12px 0;color:#2C3A33;font-size:16.5px
  }
  .article-body img{border-radius:12px;margin:26px auto}
  .article-body a{color:var(--pitch);text-decoration:underline;text-underline-offset:4px}
  .article-body a:hover{color:#0B2B22;text-decoration-color:var(--lime)}
  .article-body code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:15px}
  .article-body pre{background:#0F2A21;color:#DCEBD5;border-radius:12px;padding:18px 20px;overflow-x:auto;margin:24px 0}
  .article-body pre code{background:none;border:none;color:inherit;padding:0}
  .article-body hr{border:none;height:1px;background:var(--line);margin:36px 0}
  .article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;display:block;overflow-x:auto}
  .article-body th{background:var(--pitch);color:#fff;text-align:left;padding:11px 14px;font-weight:600;white-space:nowrap}
  .article-body td{padding:11px 14px;border-bottom:1px solid var(--line)}
  .article-body tr:nth-child(even) td{background:#FBFBF8}

  .article-empty{
    text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:#FCFCFA
  }
  .article-empty svg{margin:0 auto 16px}
  .article-empty h2{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:8px}
  .article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}

  /* ---------- 标签与尾部 ---------- */
  .tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
  .tag-row .label{font-size:13.5px;color:var(--muted);font-weight:600;letter-spacing:.02em}
  .tag{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;background:var(--soft);color:var(--pitch);font-size:13px;font-weight:600}
  .tag.outline{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500}

  .pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
  @media (max-width:640px){.pager{grid-template-columns:1fr}}
  .pager-card{
    display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px 22px;box-shadow:var(--sh-rest);transition:transform var(--t),box-shadow var(--t),border-color var(--t)
  }
  .pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
  .pager-card small{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);font-weight:600}
  .pager-card strong{display:block;margin-top:8px;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5}

  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
  .sec-head h2{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
  .sec-head p{font-size:14.5px;color:var(--muted);margin-top:8px}
  @media (max-width:640px){.sec-head h2{font-size:22px}}

  .related{padding:0 0 72px}
  .rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  @media (max-width:1023px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:640px){.rel-grid{grid-template-columns:minmax(0,1fr)}}
  .rel-card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-rest);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t)
  }
  .rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
  .rel-thumb{position:relative;aspect-ratio:16/9;background:var(--pitch);overflow:hidden}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
  .rel-card:hover .rel-thumb img{transform:scale(1.04)}
  .rel-body{padding:18px 20px 20px}
  .rel-body h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55}
  .rel-body .meta{margin-top:10px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
  .rel-badge{
    position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:999px;
    background:rgba(11,43,34,.82);color:var(--lime);font-size:12px;font-weight:600;display:inline-flex;align-items:center
  }

  /* ---------- 侧栏 ---------- */
  .side-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--sh-rest)
  }
  .side-card + .side-card{margin-top:20px}
  .side-card h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
  .side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--lime)}
  .side-list li + li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
  .side-list a{display:block;font-size:14.5px;color:var(--text);line-height:1.6;transition:color var(--t)}
  .side-list a:hover{color:var(--pitch)}
  .side-list span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
  .side-data{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .side-data div{background:var(--soft);border-radius:10px;padding:12px 14px}
  .side-data b{display:block;font-size:22px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
  .side-data small{font-size:12.5px;color:var(--muted)}
  @media (max-width:1023px){.side-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.side-card + .side-card{margin-top:0}}
  @media (max-width:640px){.side-col{grid-template-columns:1fr}}

  /* ---------- 窄 CTA 条 ---------- */
  .cta-strip{background:var(--ink);border-radius:var(--r-card);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;margin-bottom:72px}
  .cta-strip::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:linear-gradient(90deg,rgba(200,240,74,0),rgba(200,240,74,.22),rgba(200,240,74,0))}
  .cta-strip h2{font-size:21px;font-weight:800;color:#fff;line-height:1.4;position:relative;z-index:1}
  .cta-strip p{font-size:14.5px;color:rgba(255,255,255,.7);margin-top:6px;position:relative;z-index:1}
  .cta-strip .btn{position:relative;z-index:1}
  @media (max-width:768px){.cta-strip{flex-direction:column;align-items:flex-start;padding:24px 22px}}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
  .foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
  @media (max-width:1023px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
  @media (max-width:640px){.foot-grid{grid-template-columns:1fr}}
  .site-footer .brand-text{color:#fff}
  .site-footer .brand-mark{background:rgba(255,255,255,.08);border:1px solid rgba(200,240,74,.28)}
  .foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.62)}
  .foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
  .foot-col ul li{margin-bottom:11px;font-size:14px}
  .foot-col ul a{color:rgba(255,255,255,.68);transition:color var(--t)}
  .foot-col ul a:hover{color:var(--lime)}
  .foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.5);flex-wrap:wrap}
  .foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
  .foot-bottom .links a:hover{color:var(--lime)}

  /* ---------- 返回顶部 ---------- */
  .back-top{
    position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
    background:#fff;border:1.5px solid var(--lime);color:var(--ink);
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
    box-shadow:var(--sh-rest);opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity var(--t),transform var(--t),visibility var(--t);z-index:90
  }
  .back-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
  .back-top:hover{background:var(--lime)}

  /* ---------- 移动抽屉 ---------- */
  .drawer{position:fixed;inset:0;z-index:130;background:rgba(11,43,34,.55);display:none}
  .drawer.is-open{display:block;animation:fadeIn 200ms ease-out}
  @keyframes fadeIn{from{opacity:0}to{opacity:1}}
  .drawer-panel{
    position:absolute;right:0;top:0;bottom:0;width:min(86vw,340px);background:#fff;
    padding:28px 22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
    animation:slideUp 200ms ease-out
  }
  @keyframes slideUp{from{transform:translateY(14px);opacity:.6}to{transform:translateY(0);opacity:1}}
  .drawer-panel h4{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em}
  .drawer-panel .chip{width:100%;justify-content:center;height:44px}
  .drawer-close{position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink)}

  @media (max-width:860px){
    .header-actions .btn{display:none}
    .burger{display:inline-flex}
  }
  @media (max-width:640px){
    .nav-tabs{gap:6px}
    .chip{height:36px;padding:0 14px;font-size:13.5px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    html{scroll-behavior:auto}
  }

/* roulang page: category1 */
:root{
    --ink:#0B2B22;
    --pitch:#14513C;
    --lime:#C8F04A;
    --flame:#FF5B2E;
    --paper:#F7F6F2;
    --card:#FFFFFF;
    --line:#E3E6DE;
    --text:#16211C;
    --muted:#5E6A63;
    --soft:#F1F6EC;
    --r-card:14px;
    --r-input:10px;
    --sh-rest:0 1px 2px rgba(11,43,34,.06), 0 10px 28px -14px rgba(11,43,34,.20);
    --sh-hover:0 2px 4px rgba(11,43,34,.08), 0 18px 40px -18px rgba(11,43,34,.28);
    --t:180ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  h1,h2,h3,h4{line-height:1.25;font-weight:800;color:var(--ink)}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
  .num{font-family:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.03em}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

  /* ============ 顶部导航 ============ */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  .head-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height var(--t)}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex:0 0 auto}
  .brand-text{font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
  .nav-tabs{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px}
  .nav-tabs::-webkit-scrollbar{display:none}
  .chip{
    display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    font-size:14px;font-weight:600;white-space:nowrap;letter-spacing:.01em;
    transition:transform var(--t),border-color var(--t),background var(--t),color var(--t),box-shadow var(--t);
  }
  .chip:hover{border-color:var(--pitch);transform:translateY(-1px);box-shadow:0 6px 16px -10px rgba(11,43,34,.4)}
  .chip:active{transform:scale(.98)}
  .chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink)}
  .head-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .menu-btn{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
  .menu-btn:hover{border-color:var(--pitch)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-input);border:1px solid transparent;
    font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
    transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t),filter var(--t);
  }
  .btn:active{transform:scale(.98)}
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--sh-hover)}
  .btn-flame{background:var(--flame);color:#fff}
  .btn-flame:hover{filter:brightness(.92);transform:translateY(-1px);box-shadow:var(--sh-hover)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--pitch);transform:translateY(-1px)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn-block{width:100%}
  .link-more{font-size:14px;font-weight:700;color:var(--pitch);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;transition:color var(--t)}
  .link-more:hover{color:var(--ink);text-decoration-color:var(--lime)}

  /* ============ 分类页小 Hero ============ */
  .cat-hero{position:relative;background:var(--ink);overflow:hidden;padding:52px 0 46px}
  .cat-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.26}
  .cat-hero .hero-line{position:absolute;left:0;right:0;bottom:26%;height:1px;background:linear-gradient(90deg,transparent,rgba(200,240,74,.45) 22%,rgba(200,240,74,.45) 78%,transparent)}
  .cat-hero .hero-arc{position:absolute;right:-90px;top:-70px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(200,240,74,.22)}
  .cat-hero .hero-inner{position:relative;z-index:2;max-width:860px}
  .crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(247,246,242,.66);margin-bottom:18px;flex-wrap:wrap}
  .crumb a:hover{color:var(--lime)}
  .crumb .sep{width:14px;height:1px;background:rgba(247,246,242,.35)}
  .cat-hero h1{font-size:clamp(30px,4.4vw,48px);color:#F7F6F2;letter-spacing:.01em}
  .cat-hero h1 em{font-style:normal;color:var(--lime)}
  .cat-hero .sub{margin-top:16px;font-size:16.5px;line-height:1.8;color:rgba(247,246,242,.78);max-width:660px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .stat-block{background:rgba(255,255,255,.06);border:1px solid rgba(200,240,74,.2);border-radius:12px;padding:12px 18px;min-width:132px}
  .stat-block .k{display:block;font-size:24px;font-weight:700;color:var(--lime);line-height:1.15}
  .stat-block .v{display:block;font-size:13px;color:rgba(247,246,242,.7);margin-top:2px}

  /* ============ 主体布局 ============ */
  .cat-body{padding:56px 0 0}
  .cat-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:28px;align-items:start}
  .filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-rest);position:sticky;top:96px}
  .filter-panel h2{font-size:15px;letter-spacing:.02em;margin-bottom:14px}
  .filter-group{padding-top:16px;margin-top:16px;border-top:1px dashed var(--line)}
  .filter-group:first-of-type{padding-top:0;margin-top:0;border-top:0}
  .filter-group .label{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin-bottom:10px}
  .filter-list{display:flex;flex-direction:column;gap:6px}
  .filter-item{
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    height:40px;padding:0 12px;border-radius:var(--r-input);border:1px solid transparent;
    font-size:14.5px;font-weight:600;color:var(--text);cursor:pointer;background:transparent;
    transition:background var(--t),border-color var(--t),color var(--t);
  }
  .filter-item:hover{background:var(--soft);border-color:var(--line)}
  .filter-item.is-on{background:var(--lime);color:var(--ink);border-color:var(--lime)}
  .filter-item .count{font-size:12.5px;color:var(--muted)}
  .filter-item.is-on .count{color:var(--ink)}
  .filter-note{margin-top:18px;padding:14px;border-radius:12px;background:var(--soft);font-size:13.5px;color:var(--muted);line-height:1.7}
  .filter-note strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}

  .grid-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:20px}
  .grid-head h2{font-size:26px}
  .grid-head p{font-size:14.5px;color:var(--muted);margin-top:6px}
  .sort-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
  .sort-chips::-webkit-scrollbar{display:none}

  .score-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .score-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    box-shadow:var(--sh-rest);display:flex;flex-direction:column;
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .score-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
  .score-thumb{position:relative;aspect-ratio:16/9;background:var(--pitch);overflow:hidden}
  .score-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
  .score-card:hover .score-thumb img{transform:scale(1.04)}
  .thumb-badge{position:absolute;top:10px;left:10px}
  .thumb-time{position:absolute;bottom:10px;right:10px;background:rgba(11,43,34,.82);color:var(--lime);font-size:14px;font-weight:700;padding:3px 10px;border-radius:999px}
  .score-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:12px;flex:1}
  .score-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .score-title{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.45}
  .score-line{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--ink);border-radius:10px;padding:10px 14px}
  .score-side{font-size:13.5px;color:rgba(247,246,242,.82);line-height:1.4}
  .score-value{font-size:26px;font-weight:700;color:var(--lime);line-height:1}
  .score-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:4px;border-top:1px solid var(--line)}
  .score-foot span{font-size:13px;color:var(--muted)}

  .badge{display:inline-flex;align-items:center;height:25px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;white-space:nowrap}
  .badge-soft{background:#E8F3E1;color:var(--pitch)}
  .badge-flame{background:var(--flame);color:#fff}
  .badge-line{background:rgba(255,255,255,.92);border:1px solid var(--line);color:var(--muted)}
  .badge-dark{background:rgba(11,43,34,.86);color:var(--lime)}

  /* ============ 分页 ============ */
  .pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:32px;flex-wrap:wrap}
  .pager a,.pager span{
    display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;
    border-radius:var(--r-input);border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--ink);
    transition:border-color var(--t),background var(--t),transform var(--t);
  }
  .pager a:hover{border-color:var(--pitch);transform:translateY(-1px)}
  .pager .is-current{background:var(--lime);border-color:var(--lime);color:var(--ink)}
  .pager .is-off{opacity:.4;pointer-events:none}

  /* ============ 通用区块 ============ */
  .section{padding:76px 0}
  .section-tight{padding:56px 0}
  .section-head{max-width:720px;margin-bottom:36px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--pitch);text-transform:uppercase;margin-bottom:12px}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--lime)}
  .section-head h2{font-size:clamp(24px,3vw,30px)}
  .section-head p{margin-top:12px;color:var(--muted);font-size:16px}

  .feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .feature-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;
    box-shadow:var(--sh-rest);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
  .feature-icon{width:44px;height:44px;border-radius:12px;background:var(--soft);display:grid;place-items:center;margin-bottom:16px}
  .feature-card h3{font-size:18px;margin-bottom:8px}
  .feature-card p{font-size:14.5px;color:var(--muted)}

  .scene-wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .scene-item{
    border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;
    display:flex;flex-direction:column;box-shadow:var(--sh-rest);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .scene-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
  .scene-item img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .scene-text{padding:18px 20px 22px}
  .scene-text h3{font-size:17px;margin-bottom:8px}
  .scene-text p{font-size:14.5px;color:var(--muted)}

  .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
  .flow-step{padding:26px 22px 0 22px;position:relative}
  .flow-step::before{content:"";position:absolute;top:-5px;left:22px;width:10px;height:10px;border-radius:50%;background:var(--lime);border:2px solid var(--pitch)}
  .flow-step .idx{font-size:13px;font-weight:700;color:var(--pitch);letter-spacing:.12em}
  .flow-step h3{font-size:17px;margin:8px 0 8px}
  .flow-step p{font-size:14.5px;color:var(--muted)}

  .faq-list{max-width:860px;margin:0 auto}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:background var(--t),border-color var(--t)}
  .faq-item[open]{background:var(--soft);border-color:#D6E6CC}
  .faq-item summary{
    list-style:none;cursor:pointer;min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:12px 22px;font-size:16px;font-weight:700;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"";width:9px;height:9px;flex:0 0 auto;border-right:2px solid var(--pitch);border-bottom:2px solid var(--pitch);
    transform:rotate(45deg);margin-top:-4px;transition:transform var(--t),margin var(--t);
  }
  .faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
  .faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted)}

  .cta-strip{background:var(--ink);position:relative;overflow:hidden}
  .cta-strip .strip-line{position:absolute;left:0;right:0;top:50%;height:1px;background:linear-gradient(90deg,transparent,rgba(200,240,74,.35),transparent)}
  .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:32px 0}
  .cta-inner h2{color:#F7F6F2;font-size:22px}
  .cta-inner p{color:rgba(247,246,242,.7);font-size:14.5px;margin-top:6px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:rgba(247,246,242,.78);padding:56px 0 22px;margin-top:0}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
  .foot-brand .brand-text{color:#F7F6F2}
  .foot-brand p{font-size:14.5px;margin-top:14px;max-width:320px;line-height:1.8}
  .foot-col h4{color:#F7F6F2;font-size:15px;margin-bottom:16px}
  .foot-col ul li{margin-bottom:10px;font-size:14.5px}
  .foot-col ul li a{transition:color var(--t)}
  .foot-col ul li a:hover{color:var(--lime)}
  .foot-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,246,242,.14);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(247,246,242,.6);
  }
  .foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
  .foot-bottom .links a:hover{color:var(--lime)}

  .to-top{
    position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;
    background:#fff;border:1px solid var(--lime);color:var(--ink);display:grid;place-items:center;
    box-shadow:var(--sh-hover);cursor:pointer;z-index:70;transition:transform var(--t),background var(--t);
  }
  .to-top:hover{transform:translateY(-2px);background:var(--lime)}

  /* ============ 移动端抽屉 ============ */
  .drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none}
  .drawer.is-open{visibility:visible;pointer-events:auto}
  .drawer-mask{position:absolute;inset:0;background:rgba(11,43,34,.5);opacity:0;transition:opacity 200ms ease-out}
  .drawer.is-open .drawer-mask{opacity:1}
  .drawer-panel{
    position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);
    padding:24px 20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;transition:transform 200ms ease-out,opacity 200ms ease-out;
  }
  .drawer.is-open .drawer-panel{transform:translateY(0);opacity:1}
  .drawer-panel .drawer-head{display:flex;align-items:center;justify-content:space-between}
  .drawer-links{display:flex;flex-direction:column;gap:8px}
  .drawer-links a{padding:12px 14px;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;font-weight:600;font-size:15px}
  .drawer-links a.is-active{background:var(--lime);border-color:var(--lime)}
  .drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer}

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  }
  @media (max-width:1023px){
    .cat-layout{grid-template-columns:minmax(0,1fr)}
    .filter-panel{position:static}
    .score-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .flow{grid-template-columns:repeat(2,minmax(0,1fr));border-top:0;gap:24px}
    .flow-step{padding-top:22px;border-top:1px solid var(--line)}
    .scene-wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
    .foot-grid{grid-template-columns:1.4fr 1fr;gap:28px}
    .nav-tabs{margin-left:0}
    .head-inner{height:66px}
  }
  @media (max-width:900px){
    .head-inner{height:auto;padding:12px 0;flex-wrap:wrap;row-gap:8px}
    .brand-text{font-size:15px}
    .head-cta{margin-left:auto}
    .head-cta .btn{display:none}
    .menu-btn{display:inline-flex}
    .nav-tabs{
      order:3;width:100%;margin:0;padding:4px 0 6px;
      -webkit-mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
      mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
    }
  }
  @media (max-width:639px){
    .container-x{padding:0 18px}
    .cat-hero{padding:38px 0 34px}
    .cat-hero .sub{font-size:15.5px}
    .section{padding:52px 0}
    .section-tight{padding:42px 0}
    .score-grid{grid-template-columns:minmax(0,1fr)}
    .feature-grid{grid-template-columns:minmax(0,1fr)}
    .scene-wrap{grid-template-columns:minmax(0,1fr)}
    .flow{grid-template-columns:minmax(0,1fr)}
    .foot-grid{grid-template-columns:minmax(0,1fr);gap:24px}
    .stat-block{min-width:calc(50% - 6px);padding:10px 14px}
    .stat-block .k{font-size:20px}
    .grid-head h2{font-size:22px}
    .faq-item summary{padding:12px 18px;font-size:15px}
    .faq-body{padding:0 18px 18px}
    .to-top{right:14px;bottom:16px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category2 */
:root{
  --ink:#0B2B22;
  --pitch:#14513C;
  --lime:#C8F04A;
  --flame:#FF5B2E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E3E6DE;
  --text:#16211C;
  --muted:#5E6A63;
  --soft:#F1F6EC;
  --r-card:14px;
  --r-btn:10px;
  --sh-rest:0 1px 2px rgba(11,43,34,.06),0 10px 28px -14px rgba(11,43,34,.20);
  --sh-hover:0 2px 4px rgba(11,43,34,.08),0 18px 40px -18px rgba(11,43,34,.28);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
html h1,html h2,html h3,html h4{margin:0;line-height:1.25;font-weight:800;color:var(--ink);}
html p{margin:0;}
html ul{margin:0;padding:0;list-style:none;}
html a{color:inherit;text-decoration:none;}
html img{display:block;max-width:100%;height:auto;}
html button{font-family:inherit;}
html input,html select,html textarea{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:.02em;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,246,242,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow var(--ease),background var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(11,43,34,.5);background:rgba(247,246,242,.96);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(200,240,74,.24);}
.brand-text{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.nav-tabs{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;white-space:nowrap;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;font-weight:500;transition:all var(--ease);}
.chip:hover{border-color:var(--pitch);color:var(--ink);transform:translateY(-1px);}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;}
.chip:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:all var(--ease);}
.nav-toggle:hover{border-color:var(--pitch);}
.nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:all var(--ease);white-space:nowrap;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-rest);}
.btn-primary:hover{background:#d8f96a;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:scale(.98);}
.btn-flame{background:var(--flame);color:#fff;box-shadow:var(--sh-rest);}
.btn-flame:hover{background:#ef4a1c;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-flame:active{transform:scale(.98);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-outline-lime{background:transparent;border-color:rgba(200,240,74,.55);color:var(--lime);}
.btn-outline-lime:hover{background:rgba(200,240,74,.12);border-color:var(--lime);}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--pitch);border-bottom:1px solid transparent;padding-bottom:2px;transition:all var(--ease);}
.text-link:hover{color:var(--ink);border-bottom-color:var(--lime);}

/* ============ DRAWER ============ */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;}
.drawer-panel{position:absolute;top:0;right:0;width:min(360px,88vw);height:100%;background:#fff;border-left:1px solid var(--line);box-shadow:-24px 0 60px -30px rgba(11,43,34,.5);padding:24px;transform:translateY(-12px);opacity:0;transition:all 200ms ease-out;overflow-y:auto;}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open .drawer-panel{transform:translateY(0);opacity:1;}
.drawer-mask{position:absolute;inset:0;background:rgba(11,43,34,.42);opacity:0;transition:opacity 200ms ease-out;}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:15px;font-weight:800;color:var(--ink);}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;}
.drawer-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:0 14px;border-radius:10px;border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink);transition:all var(--ease);}
.drawer-list a:hover{border-color:var(--lime);background:var(--soft);}
.drawer-info{border-top:1px solid var(--line);padding-top:16px;font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:8px;}

/* ============ HERO BANNER (21:9) ============ */
.hero-banner{position:relative;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center 30%;}
.hero-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,43,34,.94) 0%,rgba(11,43,34,.72) 48%,rgba(11,43,34,.34) 100%);}
.hero-banner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(200,240,74,.32);}
.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:space-between;gap:36px;min-height:340px;padding-top:28px;padding-bottom:44px;}
@media (min-width:900px){.hero-inner{aspect-ratio:21/9;min-height:300px;}}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(247,246,242,.72);}
.breadcrumb a{color:rgba(247,246,242,.86);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{width:14px;height:1px;background:rgba(247,246,242,.36);display:inline-block;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag-lime{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(200,240,74,.16);border:1px solid rgba(200,240,74,.4);color:var(--lime);font-size:12px;font-weight:700;letter-spacing:.02em;}
.hero-banner h1{font-size:36px;color:#fff;max-width:760px;letter-spacing:.01em;}
@media (min-width:1024px){.hero-banner h1{font-size:48px;}}
.hero-sub{margin-top:16px;max-width:640px;font-size:16px;color:rgba(247,246,242,.78);line-height:1.8;}
.hero-meta{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.meta-block{display:flex;flex-direction:column;gap:2px;padding:10px 18px;border-radius:12px;background:rgba(11,43,34,.62);border:1px solid rgba(200,240,74,.22);}
.meta-block .k{font-size:12px;color:rgba(247,246,242,.62);}
.meta-block .v{font-size:20px;font-weight:800;color:var(--lime);}

/* ============ CHIP FILTER BAR ============ */
.filter-bar{border-bottom:1px solid var(--line);background:#fff;}
.filter-inner{display:flex;align-items:center;gap:10px;padding:16px 0;overflow-x:auto;scrollbar-width:none;}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-label{font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap;padding-right:6px;border-right:1px solid var(--line);}
.chip-lite{display:inline-flex;align-items:center;white-space:nowrap;height:34px;padding:0 14px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);transition:all var(--ease);}
.chip-lite:hover{background:var(--soft);border-color:var(--pitch);color:var(--ink);}
.chip-lite.is-on{background:var(--ink);border-color:var(--ink);color:var(--lime);}

/* ============ SECTIONS ============ */
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-head h2{font-size:28px;}
@media (min-width:1024px){.section-head h2{font-size:32px;}}
.section-head p{margin-top:10px;max-width:640px;font-size:15px;color:var(--muted);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--pitch);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block;}

/* ============ ALT CARDS (two column, alternating) ============ */
.alt-list{display:grid;gap:26px;}
.alt-card{display:grid;grid-template-columns:1fr;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-rest);transition:all var(--ease);}
.alt-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(200,240,74,.9);}
@media (min-width:900px){
  .alt-card{grid-template-columns:minmax(0,46%) minmax(0,54%);}
  .alt-card:nth-child(even) .alt-media{order:2;}
  .alt-card:nth-child(even) .alt-body{order:1;}
}
.alt-media{position:relative;min-height:220px;background:var(--ink);}
.alt-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.alt-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,43,34,.06),rgba(11,43,34,.30));}
.alt-body{padding:28px;display:flex;flex-direction:column;gap:12px;}
@media (min-width:1024px){.alt-body{padding:34px;}}
.alt-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.01em;}
.badge-green{background:var(--soft);color:var(--pitch);}
.badge-flame{background:var(--flame);color:#fff;}
.badge-line{border:1px solid var(--line);color:var(--muted);background:#fff;}
.eta{font-size:13px;color:var(--muted);}
.alt-body h3{font-size:21px;line-height:1.35;}
@media (min-width:1024px){.alt-body h3{font-size:22px;}}
.alt-body > p{font-size:15px;color:var(--muted);line-height:1.8;}
.point-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.point-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text);line-height:1.7;}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;background:var(--lime);box-shadow:inset 0 0 0 1px rgba(11,43,34,.18);}
.alt-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ============ PAGER ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap;}
.page-num,.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:700;color:var(--ink);transition:all var(--ease);}
.page-num:hover,.page-btn:hover{border-color:var(--ink);transform:translateY(-1px);}
.page-num.is-active{background:var(--lime);border-color:var(--lime);}
.page-num.is-disabled{opacity:.42;pointer-events:none;}
.page-num:focus-visible,.page-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ STEPS ============ */
.steps-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(5,1fr);gap:16px;}}
.step{position:relative;padding:24px 20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--paper);transition:all var(--ease);}
.step:hover{background:#fff;border-color:rgba(200,240,74,.9);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--ink);color:var(--lime);font-size:19px;font-weight:800;margin-bottom:14px;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}
.step::after{content:"";display:none;}
@media (min-width:1024px){
  .step::after{display:block;position:absolute;top:44px;right:-10px;width:20px;height:1px;background:rgba(20,81,60,.28);}
  .step:last-child::after{display:none;}
}

/* ============ RANK (dark) ============ */
.rank-section{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.rank-section::before{content:"";position:absolute;left:50%;top:-160px;width:520px;height:520px;margin-left:-260px;border-radius:50%;border:1px solid rgba(200,240,74,.14);}
.rank-section h2{color:#fff;}
.rank-section .section-head p{color:rgba(247,246,242,.68);}
.rank-section .eyebrow{color:var(--lime);}
.rank-list{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2;}
.rank-row{display:flex;align-items:center;gap:18px;padding:18px 22px;border-radius:var(--r-card);background:rgba(255,255,255,.04);border:1px solid rgba(200,240,74,.18);transition:all var(--ease);}
.rank-row:hover{background:rgba(200,240,74,.08);transform:translateX(4px);}
.rank-no{flex:0 0 auto;min-width:52px;height:44px;border-radius:10px;background:rgba(200,240,74,.14);color:var(--lime);font-size:22px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;}
.rank-main{min-width:0;flex:1 1 auto;}
.rank-main h3{color:#fff;font-size:17px;margin-bottom:4px;}
.rank-main p{font-size:13.5px;color:rgba(247,246,242,.62);}
.rank-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.rank-score{font-size:18px;font-weight:800;color:var(--lime);}
@media (max-width:640px){
  .rank-row{flex-wrap:wrap;gap:12px;padding:16px;}
  .rank-side{width:100%;justify-content:space-between;}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:all var(--ease);}
.faq-item:hover{border-color:rgba(20,81,60,.35);}
.faq-item[open]{background:var(--soft);border-color:rgba(200,240,74,.9);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px;padding:16px 22px;font-size:16px;font-weight:700;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;}
.faq-ico{flex:0 0 auto;width:30px;height:30px;border-radius:999px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;transition:transform var(--ease),border-color var(--ease);}
.faq-item[open] .faq-ico{transform:rotate(45deg);border-color:var(--lime);}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ RELATED + CTA ============ */
.related{display:flex;flex-wrap:wrap;gap:10px;}
.cta-strip{background:linear-gradient(96deg,var(--pitch) 0%,var(--ink) 82%);border-radius:var(--r-card);padding:34px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;position:relative;overflow:hidden;}
.cta-strip::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;border:1px solid rgba(200,240,74,.2);}
.cta-strip h2{color:#fff;font-size:24px;max-width:640px;}
.cta-strip p{margin-top:8px;font-size:14.5px;color:rgba(247,246,242,.72);max-width:560px;}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(247,246,242,.72);padding:64px 0 28px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand .brand-text{color:#fff;}
.foot-brand p{font-size:14px;line-height:1.8;max-width:390px;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col ul li{font-size:14px;line-height:1.7;}
.foot-col ul li a{transition:color var(--ease);}
.foot-col ul li a:hover{color:var(--lime);}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(247,246,242,.55);}
.foot-bottom .links{display:flex;gap:18px;}
.foot-bottom .links a:hover{color:var(--lime);}

/* ============ BACK TO TOP ============ */
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:999px;background:var(--ink);border:1px solid rgba(200,240,74,.6);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(10px);pointer-events:none;transition:all var(--ease);z-index:70;}
.to-top.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{background:var(--pitch);}
.to-top:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ RESPONSIVE NAV ============ */
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px;}
  .brand{order:1;}
  .header-cta{order:2;margin-left:auto;}
  .nav-toggle{display:inline-flex;}
  .nav-tabs{order:3;width:100%;flex:1 0 100%;padding-bottom:4px;mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);}
  .header-cta .btn{display:none;}
}
@media (max-width:639px){
  .container-x{padding:0 18px;}
  .hero-banner h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-inner{padding-top:22px;padding-bottom:34px;gap:26px;min-height:auto;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .alt-body{padding:22px;}
  .alt-body h3{font-size:19px;}
  .cta-strip{padding:26px 22px;}
  .cta-strip h2{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}