/* roulang page: index */
:root{
  --orange:#E24B26;
  --orange-d:#B6330F;
  --orange-l:#FCE7DF;
  --green:#123B33;
  --green-d:#0B2A24;
  --green-m:#1D5347;
  --yellow:#FFC531;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --panel:#EFEAE1;
  --line:#E4DED3;
  --line-2:#EAE5DC;
  --ink:#171B19;
  --ink-2:#5A625D;
  --ink-3:#8B918C;
  --ok:#2E7D5B;
  --warn:#C98A1E;
  --err:#C0392B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(23,27,25,.06),0 10px 26px -14px rgba(23,27,25,.18);
  --sh-h:0 2px 6px rgba(23,27,25,.08),0 18px 36px -16px rgba(23,27,25,.24);
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:22px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ============ 侧边导航 ============ */
.side{
  position:fixed;top:0;left:0;bottom:0;width:232px;
  background:var(--green);color:#fff;
  display:flex;flex-direction:column;
  padding:22px 0 18px;
  overflow-y:auto;z-index:120;
  scrollbar-width:thin;
}
.side::-webkit-scrollbar{width:5px}
.side::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px}
.logo{
  display:inline-flex;align-items:center;gap:6px;
  padding:0 20px;margin-bottom:26px;
  color:#fff;line-height:1;
}
.logo:hover{color:#fff}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:-.4px}
.logo-tag{
  font-size:11px;font-weight:600;letter-spacing:.5px;
  background:var(--orange);color:#fff;
  padding:3px 6px;border-radius:6px;
  transform:translateY(-1px);
}
.side-nav{display:flex;flex-direction:column;gap:2px;padding:0 12px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:14.5px;color:rgba(255,255,255,.74);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.nav-item i{width:17px;text-align:center;font-size:14px;opacity:.9}
.nav-item::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  background:var(--orange);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;padding-left:16px}
.nav-item:hover::before{opacity:1}
.nav-item.active{background:var(--green-m);color:#fff}
.nav-item.active::before{opacity:1}
.side-divider{height:1px;background:rgba(255,255,255,.13);margin:18px 20px}
.side-cta{
  display:block;margin:0 20px;text-align:center;
  background:var(--orange);color:#fff;font-weight:600;font-size:14px;
  padding:11px 0;border-radius:var(--r-btn);
  transition:background .18s ease,transform .18s ease;
}
.side-cta:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px)}
.side-foot{margin-top:auto;padding:24px 20px 0;font-size:12px;line-height:1.9;color:rgba(255,255,255,.55)}
.side-foot a{color:rgba(255,255,255,.55)}
.side-foot a:hover{color:#fff}

/* ============ 移动端顶栏 & 遮罩 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:130;
}
.topbar .logo{padding:0;margin:0;color:var(--ink)}
.topbar .logo-mark{font-size:17px;color:var(--ink)}
.burger{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:10px;color:var(--green);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.burger:hover{background:var(--orange-l);color:var(--orange-d)}
.scrim{
  position:fixed;inset:0;background:rgba(11,42,36,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:110;
}
.scrim.show{opacity:1;visibility:visible}

/* ============ 主内容 ============ */
.main{margin-left:232px;min-height:100vh}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-panel{background:var(--panel)}
.section-white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-title{position:relative;padding-left:14px;font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.3px}
.sec-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--orange)}
.sec-sub{font-size:14.5px;color:var(--ink-2);max-width:520px;line-height:1.7}
.link-more{font-size:14px;font-weight:600;color:var(--green);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform .18s ease;font-size:12px}
.link-more:hover{color:var(--orange)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px -12px rgba(226,75,38,.9)}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(182,51,15,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{background:var(--line-2);color:var(--ink-3);box-shadow:none;pointer-events:none}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-orange{background:var(--orange-l);color:var(--orange-d)}
.badge-green{background:var(--green);color:#fff}
.badge-line{background:#fff;border:1px solid var(--green);color:var(--green)}
.tag-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:var(--bg)}
.hero-track{
  position:absolute;right:-220px;top:-140px;width:760px;height:760px;
  border:2px solid rgba(226,75,38,.06);border-radius:50%;pointer-events:none;
}
.hero-track.two{right:-120px;top:-40px;width:520px;height:520px;border-color:rgba(18,59,51,.05)}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:520px}
.hero-eyebrow{margin-bottom:18px}
.hero h1{
  font-size:clamp(30px,4.2vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.5px;
  margin-bottom:20px;
}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}
.hero-note{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--ok);font-size:12px}
.hero-media{position:relative}
.hero-frame{
  background:#fff;padding:8px;border-radius:20px;box-shadow:var(--sh);
}
.hero-frame img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img)}
.hero-float{
  position:absolute;right:-6px;bottom:-24px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:var(--sh-h);width:238px;
}
.hero-float .lv{font-size:11.5px;letter-spacing:.4px;color:var(--ink-3);font-weight:600}
.hero-float .nm{font-size:16px;font-weight:700;margin-top:4px}
.hero-float .pr{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--orange);line-height:1.2;margin:6px 0 12px}
.hero-float .pr span{font-size:12px;color:var(--ink-3);font-weight:500;font-family:inherit}

/* ============ 数据条 ============ */
.stats{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.stat{padding:26px 24px;text-align:left;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--line-2)}
.stat .num{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--orange);line-height:1.2;letter-spacing:-.5px}
.stat .lbl{font-size:13px;color:var(--ink-2);margin-top:6px}

/* ============ 权益对比表 ============ */
.table-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  overflow:hidden;box-shadow:var(--sh);
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:660px;margin:0}
table.compare th,table.compare td{
  padding:0 20px;height:56px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line-2);
}
table.compare thead th{
  background:var(--green);color:#fff;font-weight:600;font-size:14px;height:58px;
  white-space:nowrap;
}
table.compare thead th.col-hi{background:var(--green-m);position:relative}
table.compare thead th.col-hi::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--orange);
}
table.compare tbody tr:nth-child(even){background:var(--bg)}
table.compare tbody td.col-hi{background:var(--orange-l);font-weight:600}
table.compare tbody tr:nth-child(even) td.col-hi{background:#FBE0D6}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td:first-child{font-weight:600;color:var(--ink)}
.tick{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--orange);color:#fff;font-size:10px}
.dash{display:inline-block;width:12px;height:2px;background:#C9C4BA;border-radius:2px;vertical-align:middle}
.table-foot{display:flex;justify-content:center;padding-top:24px}
.scroll-hint{display:none;font-size:12.5px;color:var(--ink-3);text-align:center;padding-top:10px}

/* ============ 等级亮点 ============ */
.levels{display:grid;grid-template-columns:1fr 2fr;gap:36px;align-items:start}
.level-index{display:flex;flex-direction:column;gap:6px}
.level-index-item{
  display:block;padding:16px 18px;border-radius:12px;border:1px solid transparent;
  transition:background .18s ease,border-color .18s ease;
}
.level-index-item:hover{background:#fff;border-color:var(--line)}
.level-index-item .no{font-family:var(--mono);font-size:13px;color:var(--orange);font-weight:700;letter-spacing:1px}
.level-index-item .nm{font-size:17px;font-weight:700;margin:2px 0 4px}
.level-index-item .ds{font-size:13px;color:var(--ink-2);line-height:1.6}
.level-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.lv-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 20px 22px;box-shadow:var(--sh);
  clip-path:polygon(12px 0,100% 0,100% 100%,0 100%,0 12px);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.lv-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:rgba(226,75,38,.45)}
.lv-card.featured{border:2px solid var(--orange);margin-top:-20px;padding-bottom:30px;padding-top:28px}
.lv-card.featured::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--orange)}
.lv-rec{
  position:absolute;right:16px;top:-12px;background:var(--orange);color:#fff;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.lv-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:10px}
.lv-top .nm{font-size:18px;font-weight:700}
.lv-top .no{font-family:var(--mono);font-size:12.5px;color:var(--ink-3);font-weight:700}
.lv-desc{font-size:13.5px;line-height:1.7;color:var(--ink-2);min-height:66px;margin-bottom:14px}
.lv-list{list-style:none;padding:0;margin:0 0 18px}
.lv-list li{position:relative;padding-left:16px;font-size:13.5px;line-height:1.6;color:var(--ink-2);margin-bottom:9px}
.lv-list li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--orange)}
.lv-price{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--green);line-height:1.1;margin-bottom:16px}
.lv-price span{font-family:inherit;font-size:13px;color:var(--ink-3);font-weight:500;margin-left:3px}

/* ============ 内容预览卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.c-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.c-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:rgba(226,75,38,.45)}
.c-media{position:relative;overflow:hidden}
.c-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease}
.c-card:hover .c-media img{transform:scale(1.03)}
.c-media .badge{position:absolute;left:12px;top:12px}
.c-lock{
  position:absolute;right:12px;top:12px;width:26px;height:26px;border-radius:50%;
  background:var(--yellow);color:#4A3600;display:flex;align-items:center;justify-content:center;
  font-size:11px;box-shadow:0 4px 10px -4px rgba(0,0,0,.4);
}
.c-veil{
  position:absolute;inset:0;background:rgba(11,42,36,.42);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .2s ease;
}
.c-card:hover .c-veil{opacity:1}
.c-veil span{background:#fff;color:var(--green);font-size:12.5px;font-weight:600;padding:8px 14px;border-radius:999px}
.c-body{padding:18px}
.c-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.c-card:hover .c-title{color:var(--orange-d)}
.c-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:12.5px;color:var(--ink-3)}
.c-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3)}

/* ============ 最新信息 ============ */
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:26px}
.latest-card{
  display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--sh);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.latest-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:rgba(226,75,38,.45)}
.latest-card .thumb{border-radius:10px;overflow:hidden}
.latest-card .thumb img{width:100%;height:100%;min-height:96px;object-fit:cover;border-radius:10px}
.latest-card .body{display:flex;flex-direction:column;min-width:0}
.latest-card h3{
  font-size:15.5px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.latest-card:hover h3{color:var(--orange-d)}
.latest-card p{
  font-size:13px;color:var(--ink-2);line-height:1.6;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.latest-card .foot{margin-top:auto;display:flex;align-items:center;gap:8px;padding-top:8px;font-size:12px;color:var(--ink-3);flex-wrap:wrap}
.rows{border-top:1px solid var(--line-2)}
.row-item{
  display:flex;align-items:center;gap:14px;
  padding:16px 0;border-bottom:1px solid var(--line-2);
  transition:background .18s ease,padding-left .18s ease;
}
.row-item::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--orange);flex:0 0 auto}
.row-item .t{
  font-size:15.5px;font-weight:600;color:var(--ink);flex:1;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.row-item:hover{background:rgba(255,255,255,.7);padding-left:8px}
.row-item:hover .t{color:var(--orange-d)}
.row-item .m{font-size:12.5px;color:var(--ink-3);white-space:nowrap}
.row-item .arrow{color:var(--ink-3);font-size:12px;transition:transform .18s ease}
.row-item:hover .arrow{transform:translateX(3px);color:var(--orange)}
.empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px 20px;
}
.empty i{font-size:34px;color:rgba(18,59,51,.4)}
.empty p{font-size:14.5px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:var(--orange)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--orange-d)}
.faq-ico{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .2s ease,background .2s ease;
}
.faq-ico::before{left:0;right:0;top:7px;height:2px}
.faq-ico::after{top:0;bottom:0;left:7px;width:2px}
.faq-item.open .faq-ico::after{transform:scaleY(0)}
.faq-item.open .faq-ico::before{background:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.75;color:var(--ink-2)}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--green);color:#fff;
  padding:56px 0;
}
.cta-band .arc{
  position:absolute;right:-160px;bottom:-260px;width:560px;height:560px;
  border:2px solid rgba(255,255,255,.07);border-radius:50%;pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(24px,3vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.3px;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.74);max-width:44em}

/* ============ 页脚 ============ */
.site-foot{background:var(--green-d);color:rgba(255,255,255,.74);padding:56px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px}
.foot-brand .logo{padding:0;margin-bottom:14px}
.foot-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:30em}
.foot-h{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-list{list-style:none;padding:0;margin:0}
.foot-list li{margin-bottom:9px}
.foot-list a{color:rgba(255,255,255,.7);font-size:13.5px}
.foot-list a:hover{color:#fff}
.foot-contact li{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.7);list-style:none}
.foot-contact .mono{color:#fff}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;font-size:12px;color:rgba(255,255,255,.55);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
}
.foot-bottom a{color:rgba(255,255,255,.55)}
.foot-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .level-cards{grid-template-columns:1fr}
  .lv-card.featured{margin-top:0;margin-bottom:0}
  .lv-desc{min-height:0}
  .latest-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .side{transform:translateX(-100%);transition:transform .26s ease;width:82%;max-width:320px;padding-top:20px}
  .side.open{transform:translateX(0)}
  .side .nav-item{height:48px}
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;min-height:0;gap:36px}
  .hero-float{position:static;width:100%;margin-top:14px}
  .section{padding:56px 0}
  .levels{grid-template-columns:1fr;gap:24px}
  .level-index{flex-direction:row;flex-wrap:wrap}
  .level-index-item{flex:1 1 180px;background:#fff;border-color:var(--line)}
  .card-grid{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .scroll-hint{display:block}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .stats{grid-template-columns:1fr 1fr}
  .stat+.stat::before{display:none}
  .stat{border-top:1px solid var(--line-2)}
  .stat:nth-child(-n+2){border-top:0}
  .stat:nth-child(even){border-left:1px solid var(--line-2)}
  .latest-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section{padding:44px 0}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:519px){
  .wrap{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{padding:13px 20px}
  .latest-card{grid-template-columns:1fr;gap:12px}
  .latest-card .thumb img{min-height:150px}
  .row-item{flex-wrap:wrap;gap:8px}
  .row-item .t{flex:1 1 100%;white-space:normal}
  .cta-inner{width:100%}
  .cta-inner .btn{width:100%}
  .hero-float .pr{font-size:22px}
  table.compare th,table.compare td{padding:0 14px}
}

/* roulang page: category1 */
:root{
  --orange:#E24B26;
  --orange-dark:#B6330F;
  --orange-light:#FCE7DF;
  --green:#123B33;
  --green-dark:#0B2A24;
  --green-mid:#1D5347;
  --yellow:#FFC531;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --panel:#EFEAE1;
  --line:#E4DED3;
  --line-soft:#EAE5DC;
  --text:#171B19;
  --text-2:#5A625D;
  --text-3:#8B918C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(23,27,25,.06),0 10px 26px -14px rgba(23,27,25,.18);
  --sh-2:0 2px 6px rgba(23,27,25,.08),0 18px 36px -16px rgba(23,27,25,.24);
  --side:232px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,h5,h6{font-family:var(--sans);color:var(--text);margin:0;letter-spacing:-.3px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}

/* ===== 侧栏导航 ===== */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side);height:100vh;
  background:var(--green);color:#fff;
  display:flex;flex-direction:column;
  padding:22px 14px 20px;z-index:70;overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:4px}
.side-head{margin-bottom:22px;padding:0 8px}
.logo{display:inline-flex;align-items:center;gap:6px;text-decoration:none;line-height:1}
.logo-light .logo-mark{color:#fff}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--text)}
.logo-tag{
  font-size:11px;font-weight:700;line-height:1;padding:3px 5px;border-radius:4px;
  background:var(--orange);color:#fff;transform:translateY(-1px);
}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.74);font-size:15px;font-weight:500;
  position:relative;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;opacity:.9}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:var(--orange);border-radius:3px;opacity:0;transition:opacity .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.nav-item:hover::before{opacity:1}
.nav-item.active{background:var(--green-mid);color:#fff;font-weight:600}
.nav-item.active::before{opacity:1}
.side-sep{height:1px;background:rgba(255,255,255,.12);margin:18px 8px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:42px;border-radius:10px;background:var(--orange);color:#fff;
  font-size:14px;font-weight:600;margin:0 8px;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.side-cta:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(226,75,38,.9)}
.side-cta:active{transform:translateY(0)}
.side-foot{margin-top:auto;padding:22px 8px 0;font-size:12px;line-height:1.7;color:rgba(255,255,255,.6)}
.side-foot p{margin:0 0 4px}
.side-foot a{color:rgba(255,255,255,.6)}
.side-foot a:hover{color:var(--yellow)}

/* ===== 移动端顶栏与抽屉 ===== */
.topbar{display:none}
.drawer,.drawer-mask{display:none}
.burger{
  width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;
  color:var(--text);font-size:16px;display:flex;align-items:center;justify-content:center;
}
.burger:hover{border-color:var(--orange);color:var(--orange)}

/* ===== 主区域 ===== */
.main{margin-left:var(--side);min-height:100vh}
.crumb-bar{padding:26px 0 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--orange)}
.crumb span.sep{color:var(--line)}
.crumb .current{color:var(--text-2);font-weight:600}

/* ===== 分类 Hero ===== */
.cat-hero{position:relative;margin-top:22px;overflow:hidden;background:var(--green-dark);border-radius:0}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.92}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,42,36,.9) 0%,rgba(11,42,36,.7) 48%,rgba(11,42,36,.24) 100%);
}
.cat-hero-inner{position:relative;z-index:2;color:#fff;padding:64px 24px 56px;max-width:1240px;margin:0 auto;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.2px;
}
.pill-orange{background:rgba(226,75,38,.16);color:#FFB79F;border:1px solid rgba(226,75,38,.55)}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,44px);line-height:1.22;font-weight:800;
  letter-spacing:-.5px;margin:16px 0 14px;max-width:16em;
}
.cat-hero-sub{color:rgba(255,255,255,.78);font-size:17px;line-height:1.7;max-width:38em;margin-bottom:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  font-size:13px;font-weight:500;color:rgba(255,255,255,.8);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.tag:hover{background:rgba(255,255,255,.16);color:#fff}
.tag.active{background:var(--orange);border-color:var(--orange);color:#fff;font-weight:600}

/* ===== 通用板块 ===== */
.section{padding:72px 0}
.section-tight{padding:52px 0}
.section-alt{background:var(--panel)}
.section-white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--orange);
}
.sec-title h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700}
.sec-desc{color:var(--text-2);font-size:15px;max-width:34em;margin-top:8px;padding-left:16px}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green);white-space:nowrap}
.sec-link i{transition:transform .18s ease}
.sec-link:hover{color:var(--orange)}
.sec-link:hover i{transform:translateX(4px)}

/* ===== 数据条 ===== */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-cell{padding:26px 22px;border-right:1px solid var(--line-soft);text-align:left}
.stat-cell:last-child{border-right:0}
.stat-num{font-family:var(--mono);font-size:30px;line-height:1.1;font-weight:700;color:var(--orange);letter-spacing:-1px}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;color:var(--orange-dark)}
.stat-label{font-size:13px;color:var(--text-2);margin-top:8px;line-height:1.6}

/* ===== 内容卡 ===== */
.card-grid{row-gap:0}
.card-grid>.cell{margin-bottom:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;box-shadow:var(--sh-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(226,75,38,.45);box-shadow:var(--sh-2)}
.card-link{display:flex;flex-direction:column;height:100%;color:inherit}
.card-link:hover{color:inherit}
.card-media{position:relative;overflow:hidden;background:var(--panel)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px}
.badge{
  display:inline-flex;align-items:center;height:25px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.2px;
}
.badge-green{background:var(--green);color:#fff}
.badge-orange{background:var(--orange-light);color:var(--orange-dark)}
.badge-line{background:#fff;color:var(--green);border:1px solid var(--green)}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;letter-spacing:-.2px}
.card-body p{font-size:14px;line-height:1.72;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-top:auto;padding-top:4px}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}

/* ===== 场景列表 ===== */
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:transform .18s ease,border-color .18s ease;
}
.scene:hover{transform:translateY(-2px);border-color:rgba(226,75,38,.45)}
.scene-ico{
  flex:0 0 44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--orange-light);color:var(--orange-dark);font-size:16px;
}
.scene h3{font-size:17px;font-weight:600;margin-bottom:6px}
.scene p{font-size:14px;line-height:1.72;color:var(--text-2);margin:0}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;
  position:relative;box-shadow:var(--sh-1);
}
.step-idx{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);
  letter-spacing:1px;margin-bottom:12px;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;line-height:1.72;color:var(--text-2);margin:0}
.step::after{
  content:"";position:absolute;right:-11px;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--line);transform:translateY(-50%);
}
.step:last-child::after{display:none}

/* ===== FAQ ===== */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--orange);box-shadow:0 8px 24px -18px rgba(226,75,38,.8)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--orange-dark)}
.faq-ico{position:relative;flex:0 0 16px;height:16px}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .2s ease,background .2s ease;
}
.faq-ico::before{left:0;top:7px;width:16px;height:2px}
.faq-ico::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-ico::before{background:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.78;color:var(--text-2)}

/* ===== CTA ===== */
.cta-band{background:var(--green);color:#fff;position:relative;overflow:hidden}
.cta-band .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:52px;padding-bottom:52px}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.4px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;margin:10px 0 0;max-width:32em}
.cta-arc{position:absolute;right:-60px;bottom:-90px;width:420px;height:420px;border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none}
.cta-arc.two{width:300px;height:300px;right:-10px;bottom:-120px;border-color:rgba(255,255,255,.1)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px -16px rgba(226,75,38,.95)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(226,75,38,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff;border-color:var(--green)}
.btn-light{background:#fff;color:var(--green);border-color:#fff}
.btn-light:hover{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* ===== 页脚 ===== */
.site-foot{
  background:var(--green-dark);color:rgba(255,255,255,.74);
  margin-left:var(--side);border-top:1px solid rgba(255,255,255,.12);
}
.site-foot .wrap{padding-top:56px;padding-bottom:0}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:36px}
.foot-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);margin-top:14px;max-width:24em}
.foot-h{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.2px}
.foot-list li{margin-bottom:9px;font-size:14px;line-height:1.6}
.foot-list a{color:rgba(255,255,255,.68)}
.foot-list a:hover{color:var(--yellow)}
.foot-contact li{color:rgba(255,255,255,.62);font-size:13.5px}
.foot-contact .mono{color:rgba(255,255,255,.85)}
.foot-bottom{
  margin-top:40px;padding:18px 0 22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.55);border-bottom:1px dotted rgba(255,255,255,.28)}
.foot-bottom a:hover{color:var(--yellow)}

/* ===== 响应式 ===== */
@media screen and (max-width:1199px){
  .stat-num{font-size:26px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media screen and (max-width:1023px){
  .sidebar{display:none}
  .main,.site-foot{margin-left:0}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:56px;padding:0 16px;
    background:#fff;border-bottom:1px solid var(--line);z-index:80;
  }
  .main{padding-top:56px}
  .drawer-mask{
    display:block;position:fixed;inset:0;background:rgba(11,42,36,.45);
    z-index:90;opacity:0;pointer-events:none;transition:opacity .22s ease;
  }
  .drawer-mask.show{opacity:1;pointer-events:auto}
  .drawer{
    display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;
    width:82%;max-width:320px;background:var(--green);z-index:95;
    transform:translateX(-102%);transition:transform .26s ease;
    padding:18px 14px 22px;overflow-y:auto;
  }
  .drawer.show{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding:0 8px}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.1);
    border:0;color:#fff;font-size:15px;display:flex;align-items:center;justify-content:center;
  }
  .drawer-close:hover{background:rgba(255,255,255,.2)}
  .drawer .nav-item{height:48px}
  .drawer .side-cta{margin:18px 8px 0;height:44px}
  .section{padding:56px 0}
  .cat-hero-inner{padding:48px 18px 44px;min-height:280px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
  .wrap{padding:0 18px}
  .stat-bar{grid-template-columns:1fr 1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line-soft)}
  .stat-cell:nth-child(2n){border-right:0}
  .stat-cell:nth-child(odd){border-right:1px solid var(--line-soft)}
  .stat-cell:nth-child(3),.stat-cell:nth-child(4){border-bottom:0}
  .scene-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band .wrap{flex-direction:column;align-items:flex-start;padding-top:40px;padding-bottom:40px}
  .cta-band .btn{width:100%}
  .card-body h3{font-size:17px}
  .sec-head{align-items:flex-start;flex-direction:column;gap:12px}
}
@media screen and (max-width:575px){
  body{font-size:15px}
  .section{padding:40px 0}
  .section-tight{padding:34px 0}
  .cat-hero h1{font-size:26px}
  .cat-hero-sub{font-size:15px}
  .cat-hero-inner{padding:36px 16px 34px;min-height:0}
  .stat-num{font-size:24px}
  .stat-cell{padding:18px 16px}
  .faq-q{font-size:16px;padding:16px}
  .faq-a-inner{padding:0 16px 16px;font-size:14.5px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .crumb-bar{padding:18px 0 0}
}

/* roulang page: article */
:root{
  --orange:#E24B26;
  --orange-dark:#B6330F;
  --orange-light:#FCE7DF;
  --green:#123B33;
  --green-dark:#0B2A24;
  --green-soft:#1D5347;
  --yellow:#FFC531;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --panel:#EFEAE1;
  --line:#E4DED3;
  --line-soft:#EAE5DC;
  --text:#171B19;
  --text-2:#5A625D;
  --text-3:#8B918C;
  --ok:#2E7D5B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(23,27,25,.06), 0 10px 26px -14px rgba(23,27,25,.18);
  --shadow-hover:0 2px 6px rgba(23,27,25,.08), 0 18px 36px -16px rgba(23,27,25,.24);
  --shell-w:232px;
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px;}

/* ============ 左侧导航骨架 ============ */
.app-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell-w);
  background:var(--green);
  color:#fff;
  display:flex;flex-direction:column;
  padding:22px 14px 18px;
  overflow-y:auto;
  z-index:70;
  border-right:1px solid rgba(255,255,255,.09);
  scrollbar-width:thin;
}
.app-shell::-webkit-scrollbar{width:4px;}
.app-shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:4px;}
.shell-logo{
  display:flex;align-items:baseline;gap:6px;
  padding:6px 10px 22px;text-decoration:none;
}
.shell-logo .logo-mark{color:#fff;font-size:19px;font-weight:800;letter-spacing:.4px;}
.shell-logo .logo-tag{
  font-size:11px;line-height:1;padding:3px 7px;border-radius:999px;
  background:var(--orange);color:#fff;font-weight:700;letter-spacing:1px;
  transform:translateY(-3px);
}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.74);
  font-size:15px;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;opacity:.92;}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--orange);
  transition:height .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px);}
.nav-item:hover::before{height:18px;}
.nav-item.active{background:var(--green-soft);color:#fff;font-weight:600;}
.nav-item.active::before{height:20px;}
.shell-cta{padding:20px 4px 0;}
.shell-cta .btn{width:100%;justify-content:center;}
.shell-foot{
  margin-top:auto;padding:22px 10px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;line-height:1.9;color:rgba(255,255,255,.56);
}
.shell-foot strong{display:block;color:rgba(255,255,255,.82);font-weight:600;font-size:12px;margin-bottom:4px;}
.nav-close{
  display:none;position:absolute;top:16px;right:14px;
  width:32px;height:32px;border-radius:8px;border:0;
  background:rgba(255,255,255,.1);color:#fff;cursor:pointer;font-size:14px;
}
.shell-mask{display:none;position:fixed;inset:0;background:rgba(11,42,36,.45);z-index:65;opacity:0;pointer-events:none;transition:opacity .22s ease;}
.shell-mask.is-open{opacity:1;pointer-events:auto;}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:80;
}
.topbar-logo{display:flex;align-items:baseline;gap:6px;}
.topbar-logo .logo-mark{font-size:17px;font-weight:800;color:var(--green);letter-spacing:.3px;}
.topbar-logo .logo-tag{
  font-size:10px;line-height:1;padding:3px 6px;border-radius:999px;
  background:var(--orange);color:#fff;font-weight:700;transform:translateY(-2px);
}
.nav-toggle{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--green);font-size:16px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;}

/* ============ 主区域 ============ */
.main{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column;}
.content-area{flex:1 0 auto;padding:34px 0 72px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px -8px rgba(226,75,38,.7);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(182,51,15,.72);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:transparent;color:var(--green);border-color:var(--green);}
.btn-secondary:hover{background:var(--green);color:#fff;transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px;}
.btn:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;}
.btn[disabled]{background:var(--line-soft);color:var(--text-3);box-shadow:none;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-orange{background:var(--orange-light);color:var(--orange-dark);}
.badge-green{background:var(--green);color:#fff;}
.badge-line{background:#fff;color:var(--green);border:1px solid var(--green);}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;flex-wrap:nowrap;
  gap:8px;font-size:12.5px;color:var(--text-3);
  margin-bottom:22px;overflow:hidden;white-space:nowrap;
}
.crumbs a{color:var(--text-3);transition:color .16s ease;}
.crumbs a:hover{color:var(--orange);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;}

/* ============ 文章头部 ============ */
.article-head{margin-bottom:26px;}
.article-head h1{
  font-size:clamp(26px,3.2vw,36px);
  line-height:1.26;
  font-weight:800;
  letter-spacing:-.5px;
  margin:14px 0 16px;
  color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:13px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{font-size:12px;color:var(--text-3);}
.article-meta .mono{color:var(--text-2);}

/* ============ 双栏布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;
  align-items:start;
}
.article-main{min-width:0;}

/* ============ 封面 ============ */
.article-cover{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:#fff;
  margin-bottom:32px;
  box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{
  padding:10px 14px;font-size:12.5px;color:var(--text-3);
  background:#fff;border-top:1px solid var(--line-soft);text-align:center;
}

/* ============ 正文排版 ============ */
.article-body{font-size:16px;line-height:1.85;color:var(--text);word-break:break-word;}
.article-body p{margin:0 0 16px;}
.article-body h2{
  font-size:23px;line-height:1.36;font-weight:700;
  margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--orange);
  scroll-margin-top:24px;
}
.article-body h3{
  font-size:19px;line-height:1.45;font-weight:600;
  margin:28px 0 12px;color:var(--text);
  scroll-margin-top:24px;
}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 16px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker{color:var(--orange);}
.article-body ol li::marker{color:var(--orange);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;
  background:var(--bg);border-left:4px solid var(--orange);
  border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:15.5px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .16s ease;}
.article-body a:hover{color:var(--orange);}
.article-body strong{font-weight:700;color:var(--text);}
.article-body .table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:14px;-webkit-overflow-scrolling:touch;}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px;}
.article-body thead th{background:var(--green);color:#fff;font-weight:600;padding:13px 15px;text-align:left;white-space:nowrap;}
.article-body td{padding:13px 15px;border-bottom:1px solid var(--line-soft);}
.article-body tbody tr:nth-child(even) td{background:var(--bg);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0;}

/* ============ 版权声明 ============ */
.article-note{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:36px;padding:16px 18px;
  background:var(--panel);border-radius:12px;
  font-size:13px;line-height:1.7;color:var(--text-2);
}
.article-note i{color:var(--green);font-size:14px;margin-top:3px;}

/* ============ 空态 ============ */
.empty-state{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
  box-shadow:var(--shadow);
}
.empty-state i{font-size:38px;color:rgba(18,59,51,.32);margin-bottom:16px;display:block;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-aside{min-width:0;}
.side-sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
  box-shadow:var(--shadow);
}
.side-card h2{
  font-size:15.5px;font-weight:700;margin-bottom:14px;
  padding-left:10px;border-left:3px solid var(--orange);
  line-height:1.3;
}
.toc-list{display:flex;flex-direction:column;max-height:320px;overflow-y:auto;}
.toc-list a{
  display:block;padding:7px 10px;
  border-left:2px solid transparent;
  font-size:13.5px;line-height:1.55;color:var(--text-2);
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.toc-list a:hover{color:var(--orange);border-left-color:var(--orange);background:rgba(226,75,38,.05);}
.toc-empty{font-size:13px;color:var(--text-3);}
.member-card{
  background:var(--green);color:#fff;border:1px solid var(--green);
  position:relative;overflow:hidden;
}
.member-card::after{
  content:"";position:absolute;right:-40px;bottom:-52px;
  width:170px;height:170px;border-radius:50%;
  border:18px solid rgba(255,255,255,.05);
}
.member-card h2{color:#fff;border-left-color:var(--yellow);}
.member-card p{position:relative;font-size:13.5px;line-height:1.72;color:rgba(255,255,255,.78);margin-bottom:10px;}
.member-card ul{position:relative;margin-bottom:16px;}
.member-card li{
  position:relative;padding-left:16px;
  font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.86);
}
.member-card li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--yellow);
}
.member-card .btn{position:relative;width:100%;justify-content:center;}
.rel-list a{
  display:block;padding:11px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:14px;line-height:1.55;color:var(--text);
  transition:color .16s ease;
}
.rel-list a:last-child{border-bottom:0;padding-bottom:0;}
.rel-list a:hover{color:var(--orange);}
.rel-list .t{display:block;margin-top:6px;font-size:12px;color:var(--text-3);font-family:var(--mono);}

/* ============ 相关推荐 ============ */
.section{margin-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.3;
  padding-left:12px;border-left:4px solid var(--orange);
}
.section-head p{font-size:13.5px;color:var(--text-2);}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.rec-card:hover{transform:translateY(-2px);border-color:rgba(226,75,38,.45);box-shadow:var(--shadow-hover);}
.rec-thumb{display:block;overflow:hidden;}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{
  font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-body h3 a:hover{color:var(--orange);}
.rec-body p{
  font-size:13.5px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.rec-foot .t{font-size:12.5px;color:var(--text-3);font-family:var(--mono);}
.rec-foot .arrow{color:var(--orange);font-size:13px;transition:transform .18s ease;}
.rec-card:hover .rec-foot .arrow{transform:translateX(4px);}
.back-row{display:flex;justify-content:center;margin-top:34px;}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--green);color:#fff;
  margin-top:56px;
  padding:38px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;
  width:320px;height:320px;border-radius:50%;
  border:26px solid rgba(255,255,255,.05);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{font-size:clamp(20px,2.6vw,27px);font-weight:700;line-height:1.35;margin-bottom:8px;}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.76);}

/* ============ 页脚 ============ */
.site-foot{background:var(--green-dark);color:rgba(255,255,255,.74);padding:56px 0 0;flex-shrink:0;}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:32px;padding-bottom:40px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:40px;
}
.foot-brand .logo{display:inline-flex;align-items:baseline;gap:6px;margin-bottom:14px;}
.foot-brand .logo-mark{font-size:18px;font-weight:800;color:#fff;letter-spacing:.3px;}
.foot-brand .logo-tag{
  font-size:11px;line-height:1;padding:3px 7px;border-radius:999px;
  background:var(--orange);color:#fff;font-weight:700;transform:translateY(-2px);
}
.foot-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px;}
.foot-h{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.foot-list{display:flex;flex-direction:column;gap:9px;font-size:13.5px;}
.foot-list a{color:rgba(255,255,255,.72);transition:color .16s ease,padding-left .16s ease;}
.foot-list a:hover{color:var(--orange);padding-left:3px;}
.foot-contact li{color:rgba(255,255,255,.68);line-height:1.7;}
.foot-contact .mono{color:rgba(255,255,255,.86);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;
  font-size:12px;color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.7);}
.foot-bottom a:hover{color:var(--orange);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
  .rec-grid{gap:16px;}
}
@media (max-width:1023px){
  .app-shell{
    transform:translateX(-100%);
    transition:transform .26s ease;
    width:290px;max-width:84vw;
    box-shadow:none;
  }
  .app-shell.is-open{transform:translateX(0);box-shadow:0 0 44px rgba(11,42,36,.4);}
  .nav-close{display:inline-flex;align-items:center;justify-content:center;}
  .shell-mask{display:block;}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:56px;}
  .content-area{padding:26px 0 56px;}
  .article-layout{grid-template-columns:1fr;gap:30px;}
  .side-sticky{position:static;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:18px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .article-head h1{font-size:24px;line-height:1.3;}
  .article-body{font-size:15.5px;line-height:1.82;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17.5px;}
  .rec-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 0;}
  .cta-inner .btn{width:100%;justify-content:center;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .foot-brand p{max-width:none;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:575px){
  .article-meta{font-size:12.5px;gap:6px 14px;}
  .article-cover{margin-bottom:24px;}
  .article-body blockquote{padding:14px 16px;font-size:15px;}
  .section{margin-top:42px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .empty-state{padding:42px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brand:#E24B26;
  --brand-dark:#B6330F;
  --brand-soft:#FCE7DF;
  --ink:#123B33;
  --ink-dark:#0B2A24;
  --ink-mid:#1D5347;
  --sun:#FFC531;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --panel:#EFEAE1;
  --line:#E4DED3;
  --line-soft:#EAE5DC;
  --text:#171B19;
  --text-2:#5A625D;
  --text-3:#8B918C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(23,27,25,.06),0 10px 26px -14px rgba(23,27,25,.18);
  --shadow-hover:0 2px 6px rgba(23,27,25,.08),0 18px 36px -16px rgba(23,27,25,.24);
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
  --side-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font-family:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--sun);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.2px}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-panel{background:var(--panel)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.3;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.section-head .head-note{font-size:14px;color:var(--text-2);max-width:420px}

/* ---------- 侧边导航 ---------- */
.side{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:var(--ink);display:flex;flex-direction:column;
  padding:22px 0 18px;z-index:80;overflow-y:auto;
}
.side::-webkit-scrollbar{width:4px}
.side::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:2px}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:0 18px 22px}
.logo{display:inline-flex;align-items:center;gap:6px}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:.4px;color:#fff;line-height:1.2}
.logo-tag{
  font-size:11px;font-weight:700;color:var(--ink-dark);background:var(--sun);
  border-radius:999px;padding:1px 7px;line-height:1.6;letter-spacing:.3px;
}
.side-close{display:none;color:rgba(255,255,255,.7);font-size:16px;width:32px;height:32px;border-radius:8px}
.side-close:hover{background:rgba(255,255,255,.1);color:#fff}
.side-nav{display:flex;flex-direction:column}
.nav-item{
  display:flex;align-items:center;gap:11px;height:44px;padding:0 18px;
  color:rgba(255,255,255,.74);font-size:15px;
  border-left:3px solid transparent;transition:background .18s ease,color .18s ease,padding .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;opacity:.9}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--brand);padding-left:21px}
.nav-item.active{background:var(--ink-mid);color:#fff;border-left-color:var(--brand);font-weight:600}
.side-sep{height:1px;background:rgba(255,255,255,.12);margin:18px 18px 0}
.side-cta{
  display:block;margin:16px 18px 0;text-align:center;
  background:var(--brand);color:#fff;font-weight:600;font-size:14px;
  padding:11px 10px;border-radius:var(--r-btn);
  transition:background .18s ease,transform .18s ease;
}
.side-cta:hover{background:var(--brand-dark);transform:translateY(-1px)}
.side-foot{margin-top:auto;padding:24px 18px 0;font-size:12px;line-height:1.9;color:rgba(255,255,255,.55)}
.side-foot p{margin:0}
.side-foot .mono{color:rgba(255,255,255,.72)}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;gap:12px;
}
.topbar .logo-mark{color:var(--ink);font-size:17px}
.topbar-burger{width:38px;height:38px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 8px;border-radius:8px}
.topbar-burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:background .18s}
.topbar-burger:hover span{background:var(--brand)}
.topbar-cta{background:var(--brand);color:#fff;font-size:13px;font-weight:600;padding:7px 14px;border-radius:8px}
.topbar-cta:hover{background:var(--brand-dark)}
.overlay{
  position:fixed;inset:0;background:rgba(11,42,36,.45);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.overlay.show{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* ---------- 页面骨架 ---------- */
.shell{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}

/* ---------- 页头 ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:34px 0 40px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb span[aria-current]{color:var(--text-2);font-weight:600}
.head-flex{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;
}
.pill-brand{background:var(--brand-soft);color:var(--brand-dark);border:1px solid rgba(226,75,38,.24)}
.pill-ink{background:var(--ink);color:#fff}
.head-flex h1{
  font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.5px;
  margin:14px 0 0;
}
.head-sub{margin-top:14px;font-size:17px;color:var(--text-2);max-width:640px}
.head-facts{display:flex;gap:28px;padding-bottom:6px}
.head-facts div{min-width:104px}
.head-facts .mono{display:block;font-size:19px;font-weight:700;color:var(--brand);letter-spacing:.3px}
.head-facts em{font-style:normal;font-size:13px;color:var(--text-3);display:block;margin-top:2px}

/* ---------- 左目录 + 右列表 ---------- */
.venue-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;align-items:start}
.side-cat{position:sticky;top:24px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow)}
.cat-head{font-size:15px;font-weight:700;color:var(--text);margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--line-soft)}
.cat-list{display:flex;flex-direction:column;gap:4px}
.cat-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  border-left:3px solid transparent;transition:background .18s ease,color .18s ease;
}
.cat-link .num{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.cat-link:hover{background:var(--panel);color:var(--text)}
.cat-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;border-left-color:var(--brand)}
.cat-link.active .num{color:var(--brand-dark)}
.cat-note{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-soft);font-size:13px;line-height:1.7;color:var(--text-3)}
.cat-note strong{color:var(--text-2);font-weight:600}

.venue-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.venue-panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap}
.venue-panel-head h2{font-size:18px;font-weight:700}
.venue-panel-head span{font-size:13px;color:var(--text-3)}
.venue-row{
  display:grid;grid-template-columns:180px minmax(0,1fr) 36px;gap:20px;align-items:center;
  padding:20px 22px;border-top:1px solid var(--line-soft);
  transition:background .18s ease;
}
.venue-row:first-of-type{border-top:0}
.venue-row:hover{background:#FFFCF8}
.venue-row:hover .row-title{color:var(--brand-dark)}
.venue-row:hover .row-arrow{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateX(2px)}
.venue-row img{width:100%;height:110px;object-fit:cover;border-radius:12px}
.row-body h3{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--text)}
.row-desc{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:12.5px;color:var(--text-3)}
.row-meta .meta-tag{background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;padding:2px 10px;font-weight:600}
.row-meta .meta-dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block}
.row-arrow{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-3);
  transition:all .18s ease;font-size:12px;
}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-step{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(226,75,38,.45)}
.flow-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);line-height:1}
.flow-step h3{font-size:17px;font-weight:600;margin-top:14px}
.flow-step p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 保障 ---------- */
.ensure{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.ensure-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow)}
.ensure-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-dark);font-size:18px;
}
.ensure-card h3{font-size:17px;font-weight:600;margin-top:16px}
.ensure-card p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.72}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-acc{border:0;background:transparent;margin:0;list-style:none}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-acc .accordion-item.is-active{border-color:var(--brand)}
.faq-acc .accordion-title{
  display:block;padding:16px 54px 16px 20px;border:0;background:#fff;
  font-size:17px;font-weight:600;color:var(--text);position:relative;line-height:1.5;
}
.faq-acc .accordion-title:hover{color:var(--brand-dark)}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:20px;font-weight:400;color:var(--brand);
  width:auto;height:auto;margin:0;background:none;line-height:1;
}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"–"}
.faq-acc .accordion-content{
  padding:0 20px 18px;border:0;background:#fff;color:var(--text-2);
  font-size:15px;line-height:1.75;
}
.faq-acc .accordion-content p{margin:0}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;padding:52px 0;overflow:hidden}
.cta-band::after,.cta-band::before{
  content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12);pointer-events:none;
}
.cta-band::after{width:420px;height:420px;right:-140px;bottom:-220px}
.cta-band::before{width:300px;height:300px;right:-40px;bottom:-170px;opacity:.6}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.74);max-width:560px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(226,75,38,.9)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(182,51,15,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.cta-band .btn-primary{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink-dark);color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.foot-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:280px}
.foot-h{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-list li{margin-bottom:9px;font-size:14px;line-height:1.6}
.foot-list a{color:rgba(255,255,255,.7)}
.foot-list a:hover{color:var(--sun)}
.foot-contact li{color:rgba(255,255,255,.66)}
.foot-contact .mono{color:rgba(255,255,255,.85)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.7)}
.foot-bottom a:hover{color:var(--sun)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .venue-layout{grid-template-columns:262px minmax(0,1fr);gap:22px}
  .head-facts{gap:20px}
}
@media (max-width:1023px){
  .side{
    transform:translateX(-100%);transition:transform .26s ease;
    width:82%;max-width:320px;z-index:90;
  }
  .side.open{transform:translateX(0)}
  .side-close{display:block}
  .nav-item{height:48px;font-size:15.5px}
  .topbar{display:flex}
  .shell{margin-left:0;padding-top:56px}
  .side-cat{position:static}
  .venue-layout{grid-template-columns:1fr}
  .cat-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .cat-link{border-left:0;border:1px solid var(--line);padding:10px 12px}
  .cat-link.active{border-color:rgba(226,75,38,.4)}
  .head-flex{grid-template-columns:1fr;align-items:start}
  .head-facts{padding-top:6px;border-top:1px dashed var(--line-soft);padding-top:20px;width:100%}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ensure{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:52px 0}
  .page-head{padding:26px 0 32px}
  .head-sub{font-size:15.5px}
  .head-facts{gap:22px;flex-wrap:wrap}
  .head-facts .mono{font-size:17px}
  .venue-row{grid-template-columns:140px minmax(0,1fr);gap:16px;padding:18px}
  .venue-row img{height:96px}
  .row-arrow{display:none}
  .venue-panel-head{padding:16px 18px}
  .cat-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:44px 0}
  .cta-inner{gap:22px}
  .flow{grid-template-columns:1fr}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:42px 0}
  .head-flex h1{font-size:26px;letter-spacing:-.3px}
  .venue-row{grid-template-columns:1fr;gap:14px;padding:16px}
  .venue-row img{height:168px}
  .row-desc{-webkit-line-clamp:3}
  .cat-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px}
  .cta-band .btn-primary{width:100%}
  .section-head{gap:12px}
}

/* roulang page: category3 */
:root{
  --orange:#E24B26;
  --orange-dark:#B6330F;
  --orange-soft:#FCE7DF;
  --green:#123B33;
  --green-dark:#0B2A24;
  --green-soft:#1D5347;
  --yellow:#FFC531;
  --bg:#F6F3ED;
  --card:#FFFFFF;
  --panel:#EFEAE1;
  --line:#E4DED3;
  --line-soft:#EAE5DC;
  --ink:#171B19;
  --ink-2:#5A625D;
  --ink-3:#8B918C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(23,27,25,.06),0 10px 26px -14px rgba(23,27,25,.18);
  --shadow-lg:0 2px 6px rgba(23,27,25,.08),0 18px 36px -16px rgba(23,27,25,.24);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
  --side-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--green);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
button{font-family:inherit}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px}
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
@media(max-width:767px){.wrap{padding:0 16px}}

/* ============ 左侧导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--green);color:#fff;
  display:flex;flex-direction:column;gap:4px;
  padding:22px 14px 18px;
  overflow-y:auto;z-index:60;
  transition:transform .26s ease;
}
.sn-head{display:flex;align-items:center;justify-content:space-between;padding:0 6px 18px}
.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:.5px;line-height:1.2}
.logo-tag{font-size:10px;font-weight:700;letter-spacing:1px;background:var(--orange);color:#fff;padding:2px 6px;border-radius:999px;line-height:1.5;transform:translateY(-2px)}
.logo-light .logo-mark{color:#fff}
.logo-dark .logo-mark{color:var(--green)}
.sn-close{display:none;width:34px;height:34px;border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;border-radius:9px;cursor:pointer;align-items:center;justify-content:center;font-size:15px}
.sn-close:hover{background:rgba(255,255,255,.12)}
.sn-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.74);font-size:15px;font-weight:500;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:22px;background:var(--orange);
  border-radius:0 3px 3px 0;
  transform:translateY(-50%) scaleY(0);
  transition:transform .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.nav-item:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-item.active{background:var(--green-soft);color:#fff}
.nav-item.active::before{transform:translateY(-50%) scaleY(1)}
.sn-join{
  margin-top:16px;display:block;text-align:center;
  background:var(--orange);color:#fff;font-weight:600;font-size:14px;
  padding:11px 12px;border-radius:10px;transition:background .18s ease,transform .18s ease;
}
.sn-join:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.sn-foot{
  margin-top:auto;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;line-height:1.75;color:rgba(255,255,255,.62);
}
.sn-foot p{margin:0}
.sn-foot a{color:rgba(255,255,255,.62)}
.sn-foot a:hover{color:#fff}
.nav-mask{
  position:fixed;inset:0;background:rgba(11,42,36,.45);
  z-index:55;opacity:0;pointer-events:none;transition:opacity .22s ease;
}
.nav-mask.is-open{opacity:1;pointer-events:auto}

/* 移动端顶栏 */
.m-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:#fff;border-bottom:1px solid var(--line);z-index:50;
}
.m-toggle{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:10px;color:var(--green);font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.m-toggle:hover{border-color:rgba(226,75,38,.45);color:var(--orange)}

.site-main{padding-bottom:0}
@media(min-width:1024px){
  .site-main{margin-left:var(--side-w)}
  .m-topbar{display:none}
}
@media(max-width:1023px){
  .side-nav{transform:translateX(-100%);width:min(82%,320px);box-shadow:0 0 40px rgba(11,42,36,.3)}
  .side-nav.is-open{transform:translateX(0)}
  .sn-close{display:inline-flex}
  .nav-item{height:48px}
  .site-main{padding-top:56px}
}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn i{font-size:13px;transition:transform .18s ease}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(182,51,15,.8)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-light{background:#fff;color:var(--green);border-color:#fff}
.btn-light:hover{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-outline-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:#fff;color:var(--green);border-color:#fff}
.btn-block{display:flex;width:100%}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap;
}
.pill-soft{background:var(--orange-soft);color:var(--orange-dark)}
.pill-line{border:1px solid rgba(18,59,51,.35);color:var(--green)}
.pill-yellow{background:var(--yellow);color:#3A2A00}
.pill-dark{background:var(--green);color:#fff}
.sec{padding:52px 0}
@media(min-width:1024px){.sec{padding:68px 0}}
.sec-alt{background:var(--panel)}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:28px;
}
.sec-title{
  position:relative;padding-left:14px;
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.32;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:7px;
  width:4px;height:18px;background:var(--orange);border-radius:2px;
}
.sec-desc{margin:8px 0 0;color:var(--ink-2);font-size:15px;max-width:44em}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green);
}
.sec-link:hover{color:var(--orange)}
.sec-link i{transition:transform .18s ease}
.sec-link:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.hero-wrap{padding-top:24px}
.hero{
  position:relative;overflow:hidden;border-radius:20px;
  padding:60px 0 56px;
  background:var(--green-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,42,36,.9) 0%,rgba(11,42,36,.62) 55%,rgba(11,42,36,.42) 100%);
}
.hero .wrap{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb span{color:rgba(255,255,255,.42)}
.crumb em{font-style:normal;color:rgba(255,255,255,.95)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(226,75,38,.85);color:#fff;
  background:rgba(226,75,38,.18);
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
}
.hero h1{
  margin:18px 0 0;max-width:20em;
  font-size:clamp(28px,4vw,42px);line-height:1.24;font-weight:800;letter-spacing:-.5px;color:#fff;
}
.hero-sub{margin:16px 0 0;max-width:36em;font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.82)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-row .tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;font-size:13px;font-weight:500;
  color:rgba(255,255,255,.9);background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.28);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
@media(max-width:520px){
  .hero{padding:44px 0 40px;border-radius:16px}
  .hero-actions .btn{width:100%}
}

/* ============ 课程卡片 ============ */
.course-grid{margin-left:-10px;margin-right:-10px}
.course-grid > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;display:flex}
.course-card{
  width:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.course-card:hover{transform:translateY(-2px);border-color:rgba(226,75,38,.45);box-shadow:var(--shadow-lg)}
.course-media{display:block;overflow:hidden}
.course-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.course-card:hover .course-media img{transform:scale(1.03)}
.course-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.course-body h3{margin:0;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.course-body h3 a{color:inherit}
.course-body h3 a:hover{color:var(--orange)}
.course-body p{margin:0;font-size:14px;line-height:1.72;color:var(--ink-2)}
.course-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-3);
}
.course-meta .mono{color:var(--ink-2)}
.course-card.feature{
  background:var(--green);border-color:var(--green);color:#fff;
  padding:24px;gap:16px;justify-content:space-between;
}
.course-card.feature:hover{border-color:var(--green-soft);transform:translateY(-2px)}
.course-card.feature h3{margin:14px 0 0;font-size:20px;color:#fff}
.course-card.feature p{margin:10px 0 0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.78)}
.feature-list{list-style:none;display:flex;flex-direction:column;gap:9px;margin:16px 0 0}
.feature-list li{position:relative;padding-left:16px;font-size:14px;color:rgba(255,255,255,.82)}
.feature-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--orange);
}

/* ============ 流程 ============ */
.flow{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:22px 20px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.flow-step:hover{transform:translateY(-2px);border-color:rgba(226,75,38,.45);box-shadow:var(--shadow)}
.flow-num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--orange);line-height:1}
.flow-step h3{margin:12px 0 8px;font-size:16.5px;font-weight:600}
.flow-step p{margin:0;font-size:14px;line-height:1.72;color:var(--ink-2)}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:1fr;
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
@media(min-width:560px){.stats{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:22px 24px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.stat-num{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--orange);line-height:1.1}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-3)}

/* ============ 排课表 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:14px;
  background:#fff;-webkit-overflow-scrolling:touch;
}
table.sched{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
.sched thead th{
  background:var(--green);color:#fff;text-align:left;
  padding:14px 20px;font-size:14px;font-weight:600;white-space:nowrap;
}
.sched tbody td{padding:16px 20px;border-top:1px solid var(--line-soft);color:var(--ink-2);font-size:14.5px}
.sched tbody tr:nth-child(even){background:var(--bg)}
.sched tbody td:first-child{color:var(--ink);font-weight:600}
.sched .mono{color:var(--ink-2)}
.table-hint{margin-top:10px;font-size:12.5px;color:var(--ink-3);display:none}
@media(max-width:767px){.table-hint{display:block}}

/* ============ 图文两栏 ============ */
.split{display:grid;gap:32px;grid-template-columns:1fr;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr .95fr;gap:44px}}
.split-media{
  background:#fff;padding:8px;border-radius:18px;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.split-media img{width:100%;border-radius:12px;aspect-ratio:4/3;object-fit:cover}
.check-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0 0}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2)}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;
  width:18px;height:18px;border-radius:50%;
  background:var(--orange);color:#fff;
  font-size:11px;line-height:18px;text-align:center;font-weight:700;
}
.check-list li strong{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq:hover{border-color:rgba(226,75,38,.35)}
.faq.open{border-color:var(--orange);box-shadow:var(--shadow)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;background:none;border:0;padding:18px 20px;
  font-size:16.5px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;line-height:1.6;
}
.faq-icon{position:relative;width:14px;height:14px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--orange);border-radius:2px;
  transition:transform .2s ease;
}
.faq-icon::before{left:0;top:6px;width:14px;height:2px}
.faq-icon::after{left:6px;top:0;width:2px;height:14px}
.faq.open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq.open .faq-a{max-height:360px}
.faq-a p{margin:0;padding:0 20px 18px;font-size:15px;line-height:1.78;color:var(--ink-2)}

/* ============ CTA ============ */
.cta{
  position:relative;overflow:hidden;
  background:var(--green);color:#fff;border-radius:20px;
  padding:38px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta::after{
  content:"";position:absolute;right:-60px;bottom:-90px;
  width:320px;height:320px;border-radius:50%;
  border:26px solid rgba(255,255,255,.05);
}
.cta-inner{position:relative;z-index:1;max-width:34em}
.cta h2{margin:0;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:#fff}
.cta p{margin:10px 0 0;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.76)}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:640px){
  .cta{padding:28px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-foot{background:var(--green-dark);color:rgba(255,255,255,.74);margin-top:56px;padding:56px 0 0}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:40px}}
.foot-brand .logo-mark{color:#fff}
.site-foot p{margin:14px 0 0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.7);max-width:26em}
.foot-h{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.foot-list{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-list a{color:rgba(255,255,255,.74)}
.foot-list a:hover{color:var(--yellow)}
.foot-contact li{color:rgba(255,255,255,.7)}
.foot-contact .mono{color:rgba(255,255,255,.86)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding:18px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.55)}
.foot-bottom a:hover{color:#fff}