/* roulang page: index */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --teal:#17695A;
  --teal-hi:#2E8F7C;
  --lime:#C9F24D;
  --lime-h:#A9D62F;
  --lime-18:rgba(201,242,77,.18);
  --lime-10:rgba(201,242,77,.10);
  --mist:#5FB3A6;
  --warn:#E8A33D;
  --gray:#8A968F;
  --danger:#FF6B4A;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --card:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --on-dark:#F2F6F1;
  --on-dark-2:#A9BAB4;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --r-card:16px;
  --r-big:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-hero:20px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(10,35,32,.06);
  --sh-2:0 1px 2px rgba(10,35,32,.06),0 8px 24px -16px rgba(10,35,32,.18);
  --sh-3:0 16px 36px -20px rgba(10,35,32,.22);
  --sh-lime:0 8px 20px -12px rgba(201,242,77,.65);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--teal);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--lime-h)}
button{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--ink);color:var(--on-dark)}
.section-dark h2,.section-dark h3{color:var(--on-dark)}
.num{font-family:"Space Grotesk","Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 顶部通告条 ---------- */
.topbar{
  background:var(--ink);
  color:var(--lime);
  font-size:13px;
  line-height:32px;
  overflow:hidden;
  max-height:40px;
  transition:max-height var(--t) var(--ease),opacity var(--t) var(--ease);
}
.topbar-inner{display:flex;align-items:center;gap:10px}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none}
.topbar-text{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--lime)}
.topbar-close{
  flex:none;width:24px;height:24px;line-height:1;border:0;border-radius:6px;
  background:rgba(201,242,77,.14);color:var(--lime);cursor:pointer;font-size:15px;
  display:grid;place-items:center;transition:background var(--t) var(--ease);
}
.topbar-close:hover{background:rgba(201,242,77,.28)}
.is-scrolled .topbar{max-height:0;opacity:0}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120}
.nav-wrap{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(8px);
  transition:box-shadow var(--t) var(--ease);
}
.is-scrolled .nav-wrap{box-shadow:0 6px 24px -18px rgba(10,35,32,.35)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--t) var(--ease)}
.is-scrolled .nav-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:8px;background:var(--lime);
  display:grid;place-items:center;flex:none;
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;
  padding:6px 0;transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:3px;width:0;
  background:var(--lime);border-radius:2px;transition:width var(--t) var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:20px}
.nav-right{display:flex;align-items:center;gap:14px;flex:none}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 12px;
  background:#F1F4F0;border:1px solid transparent;border-radius:var(--r-input);
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px var(--lime-18)}
.nav-search svg{flex:none;color:var(--text-3)}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text);font-family:inherit;
}
.nav-search input::placeholder{color:var(--text-3)}
.link-ghost{
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  padding:8px 4px;transition:color var(--t) var(--ease);
}
.link-ghost:hover{color:var(--ink)}
.hamburger{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  align-items:center;justify-content:center;border-radius:var(--r-btn);
}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t) var(--ease)}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform var(--t) var(--ease);
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger.is-open span{background:transparent}
.hamburger.is-open span::before{transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,35,32,.5);opacity:0;visibility:hidden;
  transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);z-index:130;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;background:#fff;z-index:140;
  transform:translateX(100%);transition:transform 260ms var(--ease);
  padding:24px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;
}
.drawer.show{transform:translateX(0)}
.drawer-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border:0;background:#F1F4F0;border-radius:var(--r-btn);cursor:pointer;color:var(--ink);font-size:20px;line-height:1}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:#F1F4F0;border-radius:var(--r-input);margin-top:32px}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;font-family:inherit;color:var(--text)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:12px 0;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--text);
}
.drawer-nav a::after{content:"›";color:var(--line-2);font-size:20px;line-height:1}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.drawer-nav a.active::after{color:var(--lime)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-lime)}
.btn-primary:hover{background:var(--lime-h);color:var(--ink);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{background:var(--bg-alt);color:var(--gray);border-color:var(--line);box-shadow:none;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--teal);border-bottom:1px solid transparent}
.link-arrow:hover{color:var(--lime-h);border-bottom-color:var(--lime-h)}
.link-arrow span{transition:transform var(--t) var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark)}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  object-position:center right;animation:heroZoom 8s ease-in-out infinite alternate;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,35,32,.96) 0%,rgba(10,35,32,.86) 44%,rgba(10,35,32,.5) 76%,rgba(10,35,32,.34) 100%);
}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.03)}}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;
  align-items:center;padding:96px 24px 104px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--lime-18);color:var(--lime);
  font-size:12px;letter-spacing:.04em;font-weight:600;margin-bottom:20px;
}
.hero h1{
  font-size:52px;line-height:1.22;font-weight:900;letter-spacing:-.02em;color:#fff;
  margin-bottom:20px;
}
.hero h1 mark{background:var(--lime);color:var(--ink);padding:0 4px;border-radius:4px}
.hero-sub{font-size:17px;line-height:1.9;color:var(--on-dark-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px}
.hero-stat{min-width:104px}
.hero-stat b{display:block;font-size:32px;font-weight:700;color:var(--lime);line-height:1.2;font-family:"Space Grotesk",system-ui,sans-serif;font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:13px;color:var(--on-dark-2);margin-top:4px}
.hero-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-hero);padding:24px;
}
.hero-panel h2{font-size:16px;color:#fff;font-weight:700;margin-bottom:6px}
.hero-panel>p{font-size:13px;color:var(--on-dark-2);margin-bottom:18px}
.status-list{display:flex;flex-direction:column}
.status-row{
  display:flex;align-items:center;gap:12px;padding:14px 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.status-row:first-child{border-top:0}
.status-dot{width:8px;height:8px;border-radius:50%;flex:none}
.dot-ok{background:var(--mist)}
.dot-warn{background:var(--warn)}
.status-name{flex:1;font-size:14px;color:var(--on-dark)}
.status-val{font-size:12px;color:var(--on-dark-2)}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:800;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;background:var(--lime);border-radius:2px;
}
.section-head p{font-size:15px;color:var(--text-2);margin:10px 0 0;padding-left:16px;max-width:680px}
.section-dark .section-head p{color:var(--on-dark-2)}

/* ---------- 网格与卡片 ---------- */
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease),border-color var(--t) var(--ease);
}
.pain-card{position:relative;overflow:hidden}
.pain-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--lime);
  transition:width 280ms var(--ease);
}
.pain-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px)}
.pain-card:hover::before{width:100%}
.icon-box{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,105,90,.09);color:var(--teal);margin-bottom:18px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.pain-card:hover .icon-box{background:var(--lime);color:var(--ink)}
.pain-card h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px}
.pain-card p{font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- 解决方案交错 ---------- */
.solution-row{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
  padding:52px 0;border-top:1px solid var(--line);
}
.solution-row:first-of-type{border-top:0;padding-top:0}
.solution-row.rev{grid-template-columns:7fr 5fr}
.solution-row.rev .solution-media{order:2}
.solution-media{position:relative;border-radius:var(--r-big);overflow:hidden}
.solution-media img{width:100%;aspect-ratio:4/3;border-radius:var(--r-big)}
.solution-num{
  position:absolute;right:14px;bottom:14px;width:44px;height:44px;border-radius:12px;
  background:var(--lime);color:var(--ink);display:grid;place-items:center;
  font-family:"Space Grotesk",system-ui,sans-serif;font-weight:700;font-size:17px;
}
.solution-body h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:14px}
.solution-body p{font-size:17px;color:var(--text-2);line-height:1.9}

/* ---------- 数据区 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{border-left:2px solid rgba(201,242,77,.35);padding-left:20px}
.stat-num{font-family:"Space Grotesk",system-ui,sans-serif;font-size:56px;font-weight:700;color:var(--lime);line-height:1.05;font-variant-numeric:tabular-nums}
.stat-num i{font-style:normal;font-size:28px;margin-left:4px}
.stat-label{font-size:13px;color:var(--on-dark-2);margin-top:10px;line-height:1.7}

/* ---------- 证言 ---------- */
.quote-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.quote-mark{font-family:"Space Grotesk",system-ui,sans-serif;font-size:40px;line-height:1;color:var(--line-2);margin-bottom:12px}
.quote-card p{font-size:15px;color:var(--text-2);line-height:1.9;flex:1}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.quote-person img{width:40px;height:40px;border-radius:50%;flex:none}
.quote-person b{display:block;font-size:14px;font-weight:700;color:var(--ink)}
.quote-person span{display:block;font-size:13px;color:var(--text-3)}

/* ---------- CMS 列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);color:inherit}
.post-thumb{position:relative;background:var(--bg-alt)}
.post-thumb img{width:100%;aspect-ratio:16/9}
.badge-cat{
  position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-title{
  font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--ink)}
.post-desc{
  font-size:14px;color:var(--text-2);line-height:1.8;flex:1;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.post-date{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;font-family:"Space Grotesk",system-ui,sans-serif}
.post-arrow{color:var(--teal);transition:transform var(--t) var(--ease)}
.post-card:hover .post-arrow{transform:translateX(4px)}
.empty-state{
  min-height:220px;border:1px dashed var(--line-2);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;text-align:center;padding:32px;
}
.empty-state svg{color:var(--line-2)}
.empty-state p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- 分类速览 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 24px;align-items:start}
.cat-item:nth-child(even){margin-top:24px}
.cat-item{
  display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;color:inherit;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.cat-item:hover{transform:translateX(2px);box-shadow:var(--sh-2);border-color:var(--line-2);color:inherit}
.cat-idx{font-family:"Space Grotesk",system-ui,sans-serif;font-size:28px;font-weight:700;color:var(--lime);line-height:1;flex:none}
.cat-copy{flex:1;min-width:0}
.cat-copy b{display:block;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:4px}
.cat-copy span{display:block;font-size:14px;color:var(--text-2);line-height:1.7}
.cat-arrow{color:var(--line-2);flex:none;transition:transform var(--t) var(--ease),color var(--t) var(--ease)}
.cat-item:hover .cat-arrow{transform:translateX(4px);color:var(--teal)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:60px;padding:16px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--ink)}
.faq-icon{
  flex:none;width:20px;height:20px;color:var(--teal);
  transition:transform 220ms var(--ease),color 220ms var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(135deg);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-2);padding:0 40px 18px 0}

/* ---------- CTA ---------- */
.cta-band{background:var(--lime);padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:28px;font-weight:800;line-height:1.35;color:var(--ink);margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(10,35,32,.75);margin:0;max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;color:var(--on-dark-2);line-height:1.85;margin:16px 0 18px;max-width:320px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:14px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:var(--on-dark-2);margin-bottom:12px}
.footer-contact a{color:var(--on-dark)}
.footer-contact a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--on-dark-2);margin:0}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--lime);background:transparent;
  color:var(--lime);display:grid;place-items:center;cursor:pointer;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.to-top:hover{background:var(--lime);color:var(--ink)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 500ms var(--ease),transform 500ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .nav-search{width:180px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-main,.nav-search,.link-ghost{display:none}
  .hamburger{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 24px 80px}
  .hero h1{font-size:38px}
  .solution-row,.solution-row.rev{grid-template-columns:1fr;gap:28px}
  .solution-row.rev .solution-media{order:0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .quote-track{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
  .quote-track::-webkit-scrollbar{display:none}
  .quote-card{flex:0 0 82%;scroll-snap-align:start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero h1{font-size:30px}
  .hero-inner{padding:56px 16px 64px}
  .hero-stats{gap:24px}
  .hero-stat b{font-size:26px}
  .grid-4,.grid-3,.grid-2,.post-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .cat-item:nth-child(even){margin-top:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .section-head h2{font-size:24px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-inner h2{font-size:22px}
  .cta-inner .btn{width:100%}
  .stat-num{font-size:42px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-col a,.footer-contact li{font-size:15px}
}
@media (max-width:520px){
  .hero h1{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .quote-card{flex:0 0 92%}
  .solution-num{width:38px;height:38px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --brand:#17695A;
  --brand-hover:#2E8F7C;
  --accent:#C9F24D;
  --accent-hover:#A9D62F;
  --accent-18:rgba(201,242,77,.18);
  --accent-10:rgba(201,242,77,.10);
  --mist:#5FB3A6;
  --warn:#E8A33D;
  --danger:#FF6B4A;
  --gray:#8A968F;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --surface:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --inverse:#F2F6F1;
  --inverse-2:#A9BAB4;
  --r-card:16px;
  --r-lg:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(10,35,32,.06);
  --sh-2:0 1px 2px rgba(10,35,32,.06), 0 8px 24px -16px rgba(10,35,32,.18);
  --sh-3:0 16px 36px -20px rgba(10,35,32,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-hover);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:var(--ink);
  box-shadow:0 8px 20px -12px rgba(201,242,77,.85);
}
.btn-primary:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--surface);border:1px solid var(--line-2);color:var(--ink);}
.btn-outline:hover{border-color:var(--ink);color:var(--ink);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 26px;font-size:16px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--accent);display:grid;place-items:center;}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--accent);transition:width .2s var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:20px;}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{width:20px;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 12px;
  background:#F1F4F0;border:1px solid transparent;border-radius:var(--r-input);
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box svg{flex:0 0 auto;opacity:.6;}
.search-box input{width:100%;border:0;background:transparent;font-size:15px;outline:none;}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);}
.text-btn{font-size:15px;font-weight:500;color:var(--text);padding:6px 2px;}
.text-btn:hover{color:var(--ink);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-input);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s var(--ease),top .25s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,35,32,.5);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:380px;z-index:80;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .25s var(--ease);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .search-box{width:100%;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:44px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--ink);}
.drawer-nav a::after{content:"›";color:var(--line-2);font-size:18px;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;}
.drawer-actions .btn{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  margin-bottom:22px;min-width:0;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--line-2);}
.breadcrumb .current{
  min-width:0;max-width:440px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);
}

/* ============ 文章头 ============ */
.article-hero{
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  padding:36px 0 48px;
}
.article-head{max-width:880px;}
.badge-cat{
  display:inline-block;background:var(--accent-18);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:6px 14px;border-radius:var(--r-pill);
}
.article-head h1{
  font-size:38px;line-height:1.25;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 16px;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.meta-line .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2);}
.meta-line time{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.article-lead{
  margin-top:22px;padding-left:16px;border-left:3px solid var(--mist);
  font-size:16px;line-height:1.85;color:var(--text-2);
}

/* ============ 布局 ============ */
.article-main{padding:56px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-content{max-width:820px;min-width:0;}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.95;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.35em;width:4px;height:20px;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:32px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body p{margin:0 0 16px;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-hover);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0;list-style:none;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--accent);
}
.article-body ol{counter-reset:olcount;}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:olcount;}
.article-body ol li::before{
  content:counter(olcount,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:14px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--bg);
  border-left:3px solid var(--mist);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:24px 0;position:relative;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body code{
  background:var(--bg-alt);border-radius:6px;padding:2px 6px;font-size:15px;color:var(--ink-2);
}
.article-body pre{
  background:var(--ink);color:var(--inverse);border-radius:var(--r-card);
  padding:20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body .table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px;}
.article-body table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px;}
.article-body th{
  background:var(--ink);color:#fff;font-weight:600;text-align:left;
  padding:12px 16px;white-space:nowrap;
}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);color:var(--text);}
.article-body tbody tr:nth-child(even){background:var(--bg);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  min-height:260px;padding:44px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.empty-state svg{color:var(--line-2);}
.empty-state p{margin:0;font-size:15px;color:var(--text-2);}

/* ============ 标签 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:44px 0 0;padding-top:28px;border-top:1px solid var(--line);}
.tag-row .tag-label{font-size:13px;color:var(--text-3);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  background:var(--bg-alt);border-radius:var(--r-pill);
  font-size:12px;color:var(--text-2);letter-spacing:.02em;
}
.tag:hover{background:var(--accent-18);color:var(--ink);}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.post-nav-card{
  display:block;padding:20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2);}
.post-nav-dir{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.post-nav-card h3{
  font-size:16px;font-weight:700;line-height:1.5;margin:10px 0 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-nav-card.next{text-align:right;}
.post-nav-card.next .post-nav-dir{flex-direction:row-reverse;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h2{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-3);
  margin-bottom:14px;padding:0;
}
.side-card h2::before{display:none;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);
  padding:7px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
}
.toc-list a:hover{background:var(--bg);color:var(--ink);}
.toc-list a.is-active{border-left-color:var(--accent);color:var(--ink);font-weight:600;background:var(--bg);}
.hot-list{display:flex;flex-direction:column;gap:14px;}
.hot-item{display:flex;gap:10px;align-items:flex-start;}
.hot-item .num{
  font-size:15px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;
  line-height:1.6;flex:0 0 auto;
}
.hot-item a{
  font-size:14px;line-height:1.6;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-item a:hover{color:var(--brand);}
.side-cta{background:var(--ink);border-radius:var(--r-card);padding:24px;color:var(--inverse);}
.side-cta h2{color:var(--accent);font-size:13px;letter-spacing:.06em;margin-bottom:12px;}
.side-cta p{font-size:14px;line-height:1.75;color:var(--inverse-2);margin-bottom:18px;}
.side-cta .btn{width:100%;}

/* ============ 相关推荐 ============ */
.related{padding:80px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--accent);
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2);}
.card:hover h3{color:var(--ink);}
.card:hover .card-arrow{transform:translateX(4px);}
.card-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-figure img{transform:scale(1.03);}
.card-figure::after{content:"";position:absolute;inset:0;background:rgba(10,35,32,.06);pointer-events:none;}
.card-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-badge);
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.card-body p{
  font-size:14px;line-height:1.75;color:var(--text-2);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);padding-top:14px;border-top:1px solid var(--line);
}
.card-foot time{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.card-arrow{color:var(--brand);transition:transform .2s var(--ease);}

/* ============ 底部 CTA ============ */
.doc-cta{margin-top:80px;background:var(--ink);color:var(--inverse);padding:64px 0;}
.doc-cta .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.doc-cta h2{color:var(--inverse);font-size:24px;line-height:1.4;font-weight:800;margin-bottom:10px;}
.doc-cta p{color:var(--inverse-2);font-size:15px;line-height:1.8;margin:0;max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--inverse);padding:64px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text{color:var(--inverse);}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--inverse-2);margin:0;max-width:340px;}
.footer-col h3{color:var(--inverse);font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:var(--inverse-2);line-height:1.7;}
.footer-col a{color:var(--inverse-2);}
.footer-col a:hover{color:var(--accent);}
.footer-col .link-arrow{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(242,246,241,.14);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.footer-bottom p{font-size:13px;color:var(--inverse-2);margin:0;}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--accent);color:var(--accent);
  display:grid;place-items:center;flex:0 0 auto;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px);}

/* ============ 进入视口动画 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
}

@media (max-width:1023px){
  .nav-main,.header-actions .search-box,.header-actions .text-btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{gap:10px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{position:static;margin-top:40px;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 260px;}
  .article-content{max-width:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .doc-cta .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .logo-text{font-size:16px;}
  .article-hero{padding:24px 0 32px;}
  .article-head h1{font-size:28px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .article-main{padding:40px 0 0;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.next{text-align:left;}
  .post-nav-card.next .post-nav-dir{flex-direction:row;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .related{padding-top:56px;}
  .doc-cta{margin-top:56px;padding:48px 0;}
  .doc-cta h2{font-size:21px;}
  .doc-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px;}
  .article-side{flex-direction:column;}
  .article-side .side-card{flex:1 1 auto;}
  .breadcrumb .current{max-width:200px;}
}

@media (max-width:480px){
  .article-head h1{font-size:24px;}
  .article-lead{font-size:15px;}
  .card-body{padding:16px;}
  .side-card{padding:16px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --link:#17695A;
  --link-hover:#2E8F7C;
  --accent:#C9F24D;
  --accent-hover:#A9D62F;
  --accent-18:rgba(201,242,77,.18);
  --accent-10:rgba(201,242,77,.10);
  --mist:#5FB3A6;
  --state-doing:#5FB3A6;
  --state-soon:#E8A33D;
  --state-done:#8A968F;
  --warn:#FF6B4A;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --surface:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --text-inv:#F2F6F1;
  --text-inv-2:#A9BAB4;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --r-card:16px;
  --r-card-lg:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-badge:6px;
  --sh-badge:0 1px 2px rgba(10,35,32,.06);
  --sh-card:0 1px 2px rgba(10,35,32,.06),0 8px 24px -16px rgba(10,35,32,.18);
  --sh-hover:0 16px 36px -20px rgba(10,35,32,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
  --gutter:24px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:var(--link);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--link-hover)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.num{font-family:"Space Grotesk","Noto Sans SC",sans-serif;font-variant-numeric:tabular-nums}

.container{max-width:1200px;margin:0 auto;padding:0 var(--gutter)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -18px rgba(10,35,32,.4)}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:var(--nav-h);
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-badge);
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}

.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:var(--accent);border-radius:2px;
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:20px}

.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 12px;
  background:#F1F4F0;border:1px solid transparent;border-radius:var(--r-input);
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-18)}
.nav-search svg{flex:0 0 auto;color:var(--text-2)}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 8px 20px -12px rgba(201,242,77,.85)}
.btn-primary:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 26px;font-size:16px}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line-2);padding-bottom:4px;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.btn-text:hover{border-color:var(--ink);color:var(--ink)}
.btn-text svg{transition:transform .22s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;border-radius:var(--r-btn);
  cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .25s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,35,32,.5);z-index:200;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;z-index:210;
  background:#fff;box-shadow:-16px 0 40px -24px rgba(10,35,32,.5);
  transform:translateX(100%);transition:transform .25s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:18px;
  background:#F1F4F0;border-radius:var(--r-input);border:1px solid transparent;
}
.drawer-search:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-18)}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:12px 2px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.drawer-nav a svg{color:var(--line-2)}
.drawer-actions{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer-actions .btn{width:100%}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);padding:18px 0 0;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb .current{color:var(--text-3);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Page banner ---------- */
.page-banner{
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  padding-bottom:52px;
}
.banner-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:48px;align-items:center;
  min-height:300px;padding-top:26px;
}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--ink);background:var(--accent-18);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;
}
.page-banner h1{
  font-size:40px;line-height:1.25;font-weight:900;letter-spacing:-.02em;
  margin-bottom:16px;
}
.page-banner h1 em{
  font-style:normal;background:var(--accent);padding:0 4px;border-radius:4px;
}
.banner-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:640px;margin-bottom:20px}
.banner-media{position:relative;border-radius:var(--r-card-lg);overflow:hidden}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(10,35,32,.06) 40%,rgba(238,243,236,.95) 100%);
  pointer-events:none;
}
.banner-media img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.55;border-radius:var(--r-card-lg)}

/* ---------- Section ---------- */
.section{padding:96px 0}
.section.tight{padding-top:72px}
.section.on-white{background:var(--surface)}
.section.on-alt{background:var(--bg-alt)}
.section.on-ink{background:var(--ink);color:var(--text-inv)}
.section.on-ink h2,.section.on-ink h3{color:var(--text-inv)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.01em;
  padding-left:12px;position:relative;margin-bottom:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;
  background:var(--accent);border-radius:2px;
}
.section-head p{font-size:17px;color:var(--text-2);margin:0}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:46px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:5px;top:14px;bottom:14px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-bottom:48px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:-46px;top:10px;width:12px;height:12px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px #fff;
}
.tl-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.tl-num{
  font-family:"Space Grotesk","Noto Sans SC",sans-serif;font-weight:700;font-size:22px;
  background:var(--accent);color:var(--ink);border-radius:6px;padding:1px 9px;line-height:1.5;
}
.tl-item h3{font-size:22px;font-weight:700;line-height:1.4}
.tl-body p{color:var(--text-2);max-width:820px;margin-bottom:0}
.tl-media{margin:18px 0 0;max-width:520px}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:14px}
.tl-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.04em;background:var(--bg);color:var(--text-2);border:1px solid var(--line);
}
.tag.accent{background:var(--accent);color:var(--ink);border-color:transparent;font-weight:700}

/* ---------- Check grid ---------- */
.check-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start}
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);
}
.check-panel h3{font-size:22px;margin-bottom:8px}
.check-panel > p{color:var(--text-2);font-size:15px;line-height:1.8}
.check-list{margin-top:18px;border-top:1px solid var(--line)}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:var(--r-badge);
  background:var(--accent-10);color:var(--link);display:inline-flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.check-list strong{display:block;font-size:16px;color:var(--ink);font-weight:700;margin-bottom:2px}
.check-list span{font-size:15px;color:var(--text-2);line-height:1.8}

.side-stack{display:flex;flex-direction:column;gap:20px}
.note-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;
}
.note-card h3{font-size:19px;margin-bottom:10px}
.note-card p{font-size:15px;color:var(--text-2);margin-bottom:10px}
.note-card p:last-child{margin-bottom:0}
.alert-card{
  background:var(--ink);border-radius:var(--r-card);padding:24px;color:var(--text-inv);
}
.alert-card .alert-label{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.04em;
  color:var(--warn);background:rgba(255,107,74,.12);border-radius:var(--r-pill);
  padding:3px 10px;margin-bottom:14px;
}
.alert-card h3{color:var(--text-inv);font-size:19px;margin-bottom:10px}
.alert-card p{font-size:15px;line-height:1.85;color:var(--text-inv-2);margin-bottom:10px}
.alert-card p:last-child{margin-bottom:0}
.alert-card .alert-icon{color:var(--warn);margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 0;min-height:64px;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--link)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--link);transition:transform .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(135deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--text-2);
  padding:0 0 22px;margin:0;max-width:860px;
}

/* ---------- CTA ---------- */
.cta-band{background:var(--accent);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h2{font-size:26px;font-weight:800;color:var(--ink);margin-bottom:8px;letter-spacing:-.01em}
.cta-text p{font-size:15px;color:var(--ink-2);margin:0;max-width:640px}
.cta-inner .btn-dark{flex:0 0 auto}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--text-inv);padding:64px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:var(--text-inv)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-inv-2);margin:0;max-width:320px}
.footer-col h3{font-size:15px;color:var(--text-inv);font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-inv-2)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:var(--text-inv-2)}
.footer-contact a{color:var(--text-inv-2)}
.footer-contact a:hover{color:var(--accent)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent)!important;font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-inv-2);margin:0}
.to-top{
  width:40px;height:40px;border-radius:50%;background:transparent;
  border:1px solid var(--accent);color:var(--accent);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .banner-grid{grid-template-columns:minmax(0,1fr) 320px;gap:32px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:span 3}
  .footer-grid .footer-col:last-child ul{flex-direction:row;flex-wrap:wrap;gap:24px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .header-inner{gap:16px;justify-content:space-between}
  .banner-grid{grid-template-columns:1fr;min-height:0;padding-top:20px;gap:28px}
  .banner-media img{aspect-ratio:16/9}
  .page-banner{padding-bottom:40px}
  .check-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  :root{--gutter:16px}
  .page-banner h1{font-size:28px}
  .banner-lead{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .section-head h2::before{height:16px}
  .timeline{padding-left:34px}
  .timeline::before{left:5px}
  .tl-node{left:-34px}
  .tl-item{padding-bottom:36px}
  .tl-item h3{font-size:19px}
  .tl-num{font-size:19px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn-dark{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:auto}
  .footer-grid .footer-col:last-child ul{flex-direction:column;gap:10px}
  .faq-q{font-size:16px;padding:18px 0}
  .btn{height:48px}
  .btn-sm{height:40px}
}
@media (max-width:480px){
  .page-banner h1{font-size:26px}
  .banner-media{display:none}
  .section-head h2{font-size:22px}
  .check-panel,.note-card,.alert-card{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --link:#17695A;
  --link-hover:#2E8F7C;
  --lime:#C9F24D;
  --lime-hover:#A9D62F;
  --lime-18:rgba(201,242,77,.18);
  --lime-10:rgba(201,242,77,.10);
  --mist:#5FB3A6;
  --st-now:#5FB3A6;
  --st-soon:#E8A33D;
  --st-end:#8A968F;
  --warn:#FF6B4A;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --surface:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --on-dark:#F2F6F1;
  --on-dark-2:#A9BAB4;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --r-card:16px;
  --r-big:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-hero:20px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(10,35,32,.06);
  --sh-2:0 1px 2px rgba(10,35,32,.06),0 8px 24px -16px rgba(10,35,32,.18);
  --sh-3:0 16px 36px -20px rgba(10,35,32,.22);
  --sh-lime:0 8px 20px -12px rgba(201,242,77,.2);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*,*::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,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--link);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--link-hover)}
h1,h2,h3,h4{margin:0;color:var(--text)}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:4px;
}
.num{font-family:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--surface)}
.hl{background:var(--lime);padding:0 4px;border-radius:4px;color:var(--ink)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:0 0 10px 0;z-index:999}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 26px;font-size:16px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-lime)}
.btn-primary:hover{background:var(--lime-hover);color:var(--ink);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);border-color:var(--line-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);color:#fff}
.btn-text{color:var(--link);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.btn-text:hover{color:var(--link-hover)}
.btn[disabled],.btn.is-disabled{background:var(--bg-alt);color:var(--text-3);box-shadow:none;cursor:not-allowed}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:var(--r-badge);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-soft{background:var(--bg);color:var(--text-2);border-radius:var(--r-pill)}
.badge-now{background:rgba(95,179,166,.12);color:var(--st-now)}
.badge-soon{background:rgba(232,163,61,.12);color:var(--st-soon)}
.badge-end{background:rgba(138,150,143,.12);color:var(--st-end)}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--lime-18);color:var(--ink);font-size:13px;font-weight:500}
.chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);font-size:14px;color:var(--text-2)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--link)}
.link-arrow span{transition:transform .22s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:var(--nav-h);transition:height .2s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--lime);display:grid;place-items:center;flex:none}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:10px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;border-radius:2px;background:var(--lime);transition:width .2s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:20px}
.nav-link.active{color:var(--ink)}
.nav-link.active::after{width:20px}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{position:relative;width:240px}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}
.search input{
  width:100%;height:40px;border-radius:var(--r-input);border:1px solid var(--line);
  background:#F1F4F0;padding:0 12px 0 38px;font-size:15px;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.35);outline:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--surface);place-items:center;flex:none;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),top .25s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-open .nav-toggle span{background:transparent}
.drawer-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.drawer-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

.drawer-mask{position:fixed;inset:0;background:rgba(10,35,32,.5);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:90}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:380px;background:var(--surface);
  z-index:100;transform:translateX(100%);transition:transform .25s var(--ease);
  display:flex;flex-direction:column;gap:16px;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .logo-text{font-size:16px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);display:grid;place-items:center;background:var(--surface)}
.drawer-links{display:grid;gap:2px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 0}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 6px;font-size:15px;font-weight:500;color:var(--text)}
.drawer-links a:hover,.drawer-links a.active{color:var(--ink);background:var(--lime-10);border-radius:8px}
.drawer-links a.active{font-weight:700}
.drawer-foot{display:grid;gap:12px;margin-top:auto}
.drawer-foot .btn{width:100%}

/* ---------- 分类标题带 ---------- */
.cat-hero{position:relative;background:var(--bg-alt);padding:56px 0 64px;overflow:hidden}
.cat-hero::before{content:"";position:absolute;left:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:var(--lime-10)}
.cat-hero .container{position:relative;z-index:2}
.crumb-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:28px}
.crumb-row a{color:var(--text-2)}
.crumb-row a:hover{color:var(--link)}
.crumb-row .sep{color:var(--line-2)}
.crumb-row .now{color:var(--text);font-weight:500;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:56px;align-items:center}
.cat-hero h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.02em;max-width:18em}
.cat-hero .lede{margin-top:20px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:44em}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line-2)}
.hero-stats .stat b{display:block;font-family:"Space Grotesk","Noto Sans SC",sans-serif;font-size:32px;font-weight:700;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-stats .stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}
.cat-hero-media{position:relative;border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-2)}
.cat-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.55}
.cat-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(238,243,236,0) 40%,rgba(238,243,236,.95) 100%)}

/* ---------- 区块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.sec-head h2{position:relative;padding-left:16px;font-size:32px;font-weight:800;line-height:1.3;letter-spacing:-.01em;max-width:20em}
.sec-head h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;background:var(--lime)}
.sec-head .sec-sub{margin-top:14px;padding-left:16px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:60em}

/* ---------- 内容卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.tile{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-big);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:var(--line-2)}
.tile-media{position:relative;overflow:hidden}
.tile-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .28s var(--ease)}
.tile-media::before{content:"";position:absolute;inset:0;background:rgba(10,35,32,.06);z-index:1;pointer-events:none}
.tile:hover .tile-media img{transform:scale(1.03)}
.tile-badge{position:absolute;left:14px;top:14px;z-index:2;height:26px;display:inline-flex;align-items:center;padding:0 10px;border-radius:8px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.02em}
.tile-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.tile-body h3{
  font-size:19px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tile-body p{
  font-size:15px;line-height:1.78;color:var(--text-2);flex:1;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.tile-more{margin-top:4px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--link)}
.tile-more span{display:inline-block;transition:transform .22s var(--ease)}
.tile:hover .tile-more span{transform:translateX(4px)}

/* ---------- 浏览路径 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.path{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.path:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.path::after{content:"";position:absolute;right:-24px;top:44px;width:24px;height:1px;background:var(--line-2);border-top:1px dashed var(--line-2)}
.path:last-child::after{display:none}
.path .idx{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--lime);color:var(--ink);font-family:"Space Grotesk",sans-serif;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.path h3{margin-top:18px;font-size:20px;font-weight:700}
.path p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2)}
.path .path-tip{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:60px;padding:20px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--ink)}
.faq-q .ico{position:relative;width:20px;height:20px;flex:none;transition:transform .22s var(--ease);color:var(--ink)}
.faq-q[aria-expanded="true"] .ico{transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:44em}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:var(--on-dark);padding:72px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.35fr) auto;gap:40px;align-items:center}
.cta h2{font-size:28px;font-weight:800;line-height:1.35;color:#fff;letter-spacing:-.01em}
.cta p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--on-dark-2);max-width:52em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:26em}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:var(--on-dark-2)}
.footer-contact .link-arrow{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer-bottom p{margin:0;font-size:13px;color:var(--on-dark-2)}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid var(--lime);color:var(--lime);background:transparent;display:grid;place-items:center;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease)}
.to-top:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}

/* ---------- 进入视口动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .28s var(--ease),transform .28s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat-hero-grid{grid-template-columns:minmax(0,1fr) 320px;gap:40px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .search{display:none}
  .nav-toggle{display:grid}
  .nav-actions{gap:10px}
  .section{padding:72px 0}
  .section-tight{padding:60px 0}
  .cat-hero{padding:44px 0 52px}
  .cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .cat-hero-media{max-width:560px}
  .cat-hero h1{font-size:34px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:24px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .cat-hero{padding:32px 0 40px}
  .cat-hero h1{font-size:28px}
  .cat-hero .lede{font-size:15px}
  .hero-stats{gap:24px}
  .hero-stats .stat b{font-size:26px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .sec-head h2{font-size:24px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .path-grid{grid-template-columns:minmax(0,1fr)}
  .faq-q{font-size:16px;min-height:56px}
  .cta{padding:56px 0}
  .cta h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px}
  .drawer-foot .btn{height:48px}
}
@media (max-width:519px){
  .cat-hero h1{font-size:26px}
  .sec-head h2{font-size:22px}
  .tile-body h3{font-size:18px}
  .hero-stats{gap:20px}
  .hero-stats .stat b{font-size:24px}
  .crumb-row .now{max-width:180px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --link:#17695A;
  --link-hover:#2E8F7C;
  --accent:#C9F24D;
  --accent-hover:#A9D62F;
  --accent-18:rgba(201,242,77,.18);
  --accent-10:rgba(201,242,77,.10);
  --pine:#5FB3A6;
  --warn:#FF6B4A;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --surface:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --text-inv:#F2F6F1;
  --text-inv-2:#A9BAB4;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --r-card:16px;
  --r-img:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-badge:6px;
  --shadow-sm:0 1px 2px rgba(10,35,32,.06);
  --shadow-card:0 1px 2px rgba(10,35,32,.06), 0 8px 24px -16px rgba(10,35,32,.18);
  --shadow-hover:0 16px 36px -20px rgba(10,35,32,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:var(--link);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--link-hover)}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
.tnum{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 24px -20px rgba(10,35,32,.45)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto;margin-right:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:8px 0;white-space:nowrap;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:20px;height:3px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:600}
.header-right{display:flex;align-items:center;gap:12px;flex:none}
.search-box{
  display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 14px;
  background:#F1F4F0;border:1px solid transparent;border-radius:var(--r-input);
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-18)}
.search-box svg{flex:none;color:var(--text-3)}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),
             transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 8px 20px -12px rgba(201,242,77,.65)}
.btn-primary:hover{background:var(--accent-hover);color:var(--ink);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-dark{background:var(--ink);color:var(--text-inv)}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn-text{
  font-size:15px;font-weight:500;color:var(--text);padding:8px 6px;
  transition:color .2s var(--ease);
}
.btn-text:hover{color:var(--link)}
.btn:disabled,.btn.is-disabled{background:var(--bg-alt);color:var(--text-3);box-shadow:none;border-color:transparent;cursor:not-allowed}

.menu-toggle{
  display:none;position:relative;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
}
.menu-toggle span{
  position:absolute;left:11px;width:22px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.menu-toggle span:nth-child(1){top:15px}
.menu-toggle span:nth-child(2){top:21px}
.menu-toggle span:nth-child(3){top:27px}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,35,32,.5);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;z-index:120;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;transform:translateX(102%);
  transition:transform .25s var(--ease);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{
  width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  border-radius:10px;
}
.drawer-close:hover{color:var(--ink);background:var(--bg-alt)}
.search-box--drawer{width:100%}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;height:44px;
  font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--link)}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:12px}

/* ---------- Breadcrumb & Cat hero ---------- */
.cat-hero{background:var(--bg-alt);padding:28px 0 72px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:32px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--link)}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb .current{color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--accent-18);color:var(--ink);font-size:12px;font-weight:600;
  letter-spacing:.04em;margin-bottom:16px;
}
h1{font-size:40px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.25}
h1 mark{background:var(--accent);color:inherit;padding:0 4px;border-radius:2px}
.cat-lead{margin-top:16px;font-size:17px;line-height:1.9;color:var(--text-2);max-width:600px}
.cat-hero-media{position:relative;margin:0}
.cat-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);opacity:.55;
  -webkit-mask-image:linear-gradient(to bottom,#000 58%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 58%,transparent 100%);
}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-img);pointer-events:none;
  background:linear-gradient(to bottom,rgba(10,35,32,.06),rgba(238,243,236,.9));
}

/* ---------- Sections ---------- */
.sec{padding:96px 0}
.sec-white{background:var(--surface)}
.sec-alt{background:var(--bg-alt)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{
  position:relative;padding-left:16px;font-size:32px;font-weight:800;
  color:var(--ink);letter-spacing:-.01em;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--accent);
}
.sec-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-2)}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:start}
.security-list{display:flex;flex-direction:column}
.security-item{
  display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);
  transition:transform .2s var(--ease);
}
.security-item:first-child{padding-top:0}
.security-item:last-child{border-bottom:0;padding-bottom:0}
.security-item:hover{transform:translateX(2px)}
.item-icon{
  flex:none;width:44px;height:44px;border-radius:12px;background:var(--accent-10);
  color:var(--link);display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.security-item:hover .item-icon{background:var(--accent);color:var(--ink)}
.item-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.item-body p{margin:0;font-size:15.5px;line-height:1.85;color:var(--text-2)}

.security-aside{display:grid;gap:20px;position:sticky;top:96px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
}
.aside-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:16px}
.aside-card--soft{background:var(--bg-alt);border-color:transparent;box-shadow:none}
.aside-card--dark{background:var(--ink);border-color:transparent;box-shadow:none;color:var(--text-inv)}
.aside-card--dark h3{color:var(--text-inv)}
.aside-card--dark p{font-size:15px;line-height:1.85;color:var(--text-inv-2);margin:0}
.check-list li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  border-radius:2px;background:var(--accent);
}
.risk-tag{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;
  background:rgba(255,107,74,.14);color:var(--warn);margin-bottom:14px;
}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:10px;background:var(--accent);color:var(--ink);
  font-family:var(--font-num);font-size:18px;font-weight:700;margin-bottom:16px;
}
.step-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px}
.step-card p{margin:0;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-h{margin:0;font-size:inherit}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--link)}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--link);
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{
  transform:rotate(135deg);background:var(--accent);border-color:var(--accent);color:var(--ink);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-a-inner p{margin:0}

/* ---------- CTA band ---------- */
.cta-band{background:var(--accent);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-copy h2{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.cta-copy p{margin:10px 0 0;font-size:15.5px;color:rgba(10,35,32,.78)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--text-inv);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:var(--text-inv)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-inv-2);max-width:320px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--text-inv);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-inv-2)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;line-height:1.8;color:var(--text-inv-2);margin-bottom:10px}
.footer-contact a{color:var(--text-inv-2)}
.footer-contact a:hover{color:var(--accent)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent) !important;font-weight:600}
.link-arrow:hover{color:var(--accent-hover) !important}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(242,246,241,.14);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-inv-2)}
.to-top{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--accent);
  background:transparent;color:var(--accent);cursor:pointer;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--ink)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .nav-main{gap:20px}
  .search-box{width:180px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .search-box{display:none}
  .btn-text{display:none}
  .menu-toggle{display:block}
  .header-right{margin-left:auto}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero-media{max-width:520px}
  .cat-hero{padding:24px 0 56px}
  .split{grid-template-columns:1fr;gap:36px}
  .security-aside{position:static;grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .sec{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:30px}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .steps{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-action{width:100%}
  .cta-action .btn{width:100%}
  .cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px}
  .drawer-actions .btn{height:48px}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:58px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  h1{font-size:26px}
  .sec-head h2{font-size:22px}
  .cat-lead{font-size:15.5px}
  .aside-card,.step-card{padding:20px}
  .item-icon{width:40px;height:40px;border-radius:10px}
  .btn{height:48px}
  .btn-sm{height:38px}
  .cta-action .btn{height:52px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .nav-link::after,.faq-a,.faq-icon,.drawer,.drawer-mask,.step-card,.security-item{transition:none}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --link:#17695A;
  --link-hi:#2E8F7C;
  --lime:#C9F24D;
  --lime-hover:#A9D62F;
  --lime-18:rgba(201,242,77,.18);
  --lime-10:rgba(201,242,77,.10);
  --pine:#5FB3A6;
  --soon:#E8A33D;
  --done:#8A968F;
  --danger:#FF6B4A;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --card:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --inv:#F2F6F1;
  --inv-2:#A9BAB4;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --r-card:16px;
  --r-big:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-badge:6px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(10,35,32,.06);
  --sh-2:0 1px 2px rgba(10,35,32,.06),0 8px 24px -16px rgba(10,35,32,.18);
  --sh-3:0 16px 36px -20px rgba(10,35,32,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1200px;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--link);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--lime-hover);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;color:var(--ink);letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px -12px rgba(201,242,77,.20);}
.btn-primary:hover{background:var(--lime-hover);color:var(--ink);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--line-2);color:var(--ink);}
.btn-outline:hover{border-color:var(--ink);color:var(--ink);}
.btn-ghost{background:transparent;border-color:rgba(242,246,241,.55);color:var(--inv);}
.btn-ghost:hover{background:var(--inv);color:var(--ink);border-color:var(--inv);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:var(--ink-2);color:#fff;}
.btn:disabled{background:var(--bg-alt);color:var(--text-3);box-shadow:none;border-color:transparent;cursor:not-allowed;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--link);font-weight:600;font-size:15px;
  border-bottom:1px solid var(--line-2);padding-bottom:2px;
  transition:color .22s var(--ease),border-color .22s var(--ease),gap .22s var(--ease);
}
.btn-text:hover{color:var(--lime-hover);border-color:var(--lime-hover);gap:10px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .2s var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.site-header.is-scrolled{box-shadow:0 6px 20px -18px rgba(10,35,32,.35);}

.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.logo:hover .logo-text{color:var(--ink-2);}

.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:20px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 12px;
  background:#F1F4F0;border:1px solid transparent;border-radius:var(--r-btn);
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 4px 16px -12px rgba(10,35,32,.35);}
.search-box svg{flex:0 0 auto;color:var(--text-3);}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:15px;line-height:1;}
.search-box input::placeholder{color:var(--text-3);}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .25s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s var(--ease),top .25s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,35,32,.5);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:140;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;
  background:#fff;z-index:150;transform:translateX(102%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px;gap:16px;overflow-y:auto;
  box-shadow:-20px 0 40px -30px rgba(10,35,32,.5);
}
.drawer.is-open{transform:translateX(0);}
.drawer .search-box{width:100%;}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:44px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink);font-weight:700;}
.drawer-nav a::after{content:"→";color:var(--line-2);font-size:15px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:8px;}
.drawer-actions .btn{width:100%;}

/* ============ 面包屑 ============ */
.crumbs{padding:20px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.crumbs li{display:flex;align-items:center;gap:8px;max-width:100%;}
.crumbs li+li::before{content:"/";color:var(--line-2);}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--link);}
.crumbs .current{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 分类标题带 ============ */
.page-hero{
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  margin-top:20px;
}
.page-hero-inner{
  display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:center;
  min-height:320px;padding:48px 0;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink);
  background:var(--lime-18);border-radius:var(--r-pill);padding:5px 12px;line-height:1.4;
}
.page-hero h1{
  font-size:40px;font-weight:800;line-height:1.25;letter-spacing:-.02em;margin:16px 0 14px;
}
.page-hero h1 .hl{background:var(--lime);padding:0 4px;border-radius:2px;}
.page-hero .lead{font-size:16px;line-height:1.9;color:var(--text-2);max-width:640px;}
.hero-figure{position:relative;border-radius:var(--r-big);overflow:hidden;isolation:isolate;}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.55;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(238,243,236,.25),rgba(238,243,236,.95));
}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;}
.hero-stat b{display:block;font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13px;color:var(--text-2);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section.alt{background:var(--bg-alt);}
.section.plain{background:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-title{font-size:32px;font-weight:800;line-height:1.3;letter-spacing:-.01em;position:relative;padding-left:16px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--lime);
}
.sec-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:680px;}

/* 筛选胶囊 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--text-2);font-size:14px;font-weight:600;border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.chip:hover{background:#fff;border-color:var(--line-2);color:var(--ink);}
.chip.is-active{background:var(--lime);color:var(--ink);border-color:transparent;}

/* ============ 日程行条 ============ */
.sched-list{display:flex;flex-direction:column;gap:12px;}
.sched-row{
  display:grid;grid-template-columns:84px 26px 1fr auto;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.sched-row:hover{transform:translateX(2px);box-shadow:var(--sh-2);border-color:var(--line-2);box-shadow:var(--sh-2),inset 2px 0 0 var(--lime);}
.sched-time{
  font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.sched-time small{display:block;font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:0;}
.sched-icon{
  width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--link);border-radius:8px;background:var(--lime-10);
}
.sched-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.sched-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin-top:4px;}
.sched-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;background:var(--bg);color:var(--text-2);letter-spacing:.02em;
}
.tag-lime{background:var(--lime-18);color:var(--ink);}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.badge-live{background:rgba(95,179,166,.12);color:#2F7A6E;}
.badge-soon{background:rgba(232,163,61,.12);color:#9A6716;}
.badge-done{background:rgba(138,150,143,.14);color:#5F6C67;}

/* ============ 节奏说明（带序号的行条） ============ */
.rhythm{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.rhythm-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.rhythm-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.rhythm-num{
  font-size:28px;font-weight:700;color:var(--lime);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;-webkit-text-stroke:.6px rgba(10,35,32,.35);
}
.rhythm-item h3{font-size:19px;font-weight:600;margin:14px 0 8px;line-height:1.45;}
.rhythm-item p{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ 时间口径提醒（深底） ============ */
.notice-band{background:var(--ink);color:var(--inv);}
.notice-band .inner{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;padding:80px 0;}
.notice-band h2{color:var(--inv);font-size:32px;font-weight:800;line-height:1.3;position:relative;padding-left:16px;}
.notice-band h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--lime);}
.notice-band p{color:var(--inv-2);font-size:16px;line-height:1.9;margin-top:16px;max-width:640px;}
.notice-card{
  background:var(--ink-2);border:1px solid rgba(242,246,241,.12);border-radius:var(--r-card);padding:24px;
}
.notice-card h3{color:var(--inv);font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px;}
.notice-card ul{margin-top:14px;display:flex;flex-direction:column;gap:12px;}
.notice-card li{display:flex;gap:10px;font-size:14px;color:var(--inv-2);line-height:1.75;}
.notice-card li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;background:var(--lime);margin-top:9px;}
.notice-flag{color:var(--danger);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--link);}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;color:var(--ink);
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .22s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(135deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease),opacity .22s var(--ease);opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:860px;}

/* ============ CTA ============ */
.cta-band{background:var(--lime);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 0;}
.cta-inner h2{font-size:24px;font-weight:800;color:var(--ink);line-height:1.4;}
.cta-inner p{font-size:15px;color:rgba(10,35,32,.78);margin-top:10px;max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--inv);padding:64px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:var(--inv);}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--inv-2);max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--inv);letter-spacing:.02em;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--inv-2);}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;color:var(--inv-2);line-height:1.7;}
.footer-contact a{color:var(--inv-2);}
.footer-contact a:hover{color:var(--lime);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--lime)!important;font-weight:600;}
.link-arrow:hover{gap:10px;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(242,246,241,.14);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.footer-bottom p{font-size:13px;color:var(--inv-2);}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--lime);background:transparent;color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.to-top:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}

/* ============ 进入视口动画 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-hero-inner{grid-template-columns:1fr 320px;gap:36px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero-inner{grid-template-columns:1fr;min-height:0;padding:40px 0;}
  .page-hero h1{font-size:32px;}
  .hero-figure{max-width:520px;}
  .rhythm{grid-template-columns:1fr 1fr;}
  .notice-band .inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .sched-row{grid-template-columns:76px 26px 1fr;grid-template-areas:"time icon body" "badge badge badge";row-gap:12px;}
  .sched-row .sched-time{grid-area:time;}
  .sched-row .sched-icon{grid-area:icon;}
  .sched-row .sched-body{grid-area:body;}
  .sched-row .badge{grid-area:badge;justify-self:start;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section.tight{padding:48px 0;}
  .header-inner{height:64px;gap:16px;}
  .logo-text{font-size:16px;}
  .page-hero h1{font-size:28px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .sec-title{font-size:24px;}
  .rhythm{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sched-row{padding:16px;}
  .btn{width:auto;}
  .btn-block-mobile{width:100%;}
}
@media (max-width:520px){
  .page-hero h1{font-size:25px;}
  .sec-title{font-size:22px;}
  .hero-stats{gap:20px;}
  .hero-stat b{font-size:24px;}
  .sched-time{font-size:15px;}
  .sched-body h3{font-size:16px;}
  .faq-q{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category5 */
:root{
  --ink:#0A2320;
  --ink-2:#10362F;
  --link:#17695A;
  --link-hover:#2E8F7C;
  --lime:#C9F24D;
  --lime-hover:#A9D62F;
  --lime-18:rgba(201,242,77,.18);
  --lime-10:rgba(201,242,77,.10);
  --mist:#5FB3A6;
  --amber:#E8A33D;
  --muted:#8A968F;
  --warn:#FF6B4A;
  --bg:#F7F8F5;
  --bg-alt:#EEF3EC;
  --white:#FFFFFF;
  --text:#0E1513;
  --text-2:#5B6A65;
  --text-3:#8A968F;
  --on-dark:#F2F6F1;
  --on-dark-2:#A9BAB4;
  --line:#DCE3DD;
  --line-2:#C3CEC7;
  --r-card:16px;
  --r-img:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-hero:20px;
  --r-badge:6px;
  --sh-badge:0 1px 2px rgba(10,35,32,.06);
  --sh-card:0 1px 2px rgba(10,35,32,.06),0 8px 24px -16px rgba(10,35,32,.18);
  --sh-hover:0 16px 36px -20px rgba(10,35,32,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-block:96px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
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,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--link);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--lime-hover)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -16px rgba(10,35,32,.35)}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-badge);flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:3px;width:0;
  background:var(--lime);border-radius:2px;transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:20px}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{width:20px}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;width:220px;padding:0 12px;
  background:#F1F4F0;border:1px solid transparent;border-radius:var(--r-input);
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box svg{flex-shrink:0;color:var(--text-3)}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:15px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px var(--lime-18)}
.btn-ghost-text{
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  padding:6px 2px;border-bottom:1px solid transparent;
}
.btn-ghost-text:hover{color:var(--ink);border-bottom-color:var(--line-2)}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  align-items:center;justify-content:center;border-radius:var(--r-btn);
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:transform .25s var(--ease),background .25s var(--ease)}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),top .25s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
  text-decoration:none;white-space:nowrap;
}
.btn:active{transform:none}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px -12px rgba(201,242,77,.9)}
.btn-primary:hover{background:var(--lime-hover);color:var(--ink);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);color:#fff}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 26px;font-size:16px}
.btn[disabled]{background:var(--bg-alt);color:var(--muted);box-shadow:none;border-color:transparent;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--link);border-bottom:1px solid transparent}
.link-arrow span{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--link-hover);border-bottom-color:var(--lime-hover)}
.link-arrow:hover span{transform:translateX(4px)}

/* ===== Drawer ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,35,32,.5);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:24px 20px 32px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;
  box-shadow:-20px 0 40px -30px rgba(10,35,32,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer .search-box{width:100%;height:44px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink);font-weight:600}
.drawer-nav a span{color:var(--line-2)}
.drawer .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ===== Breadcrumb ===== */
.breadcrumb{background:var(--white);border-bottom:1px solid var(--line)}
.breadcrumb ol{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Category hero ===== */
.cat-hero{background:var(--bg-alt);border-bottom:1px solid var(--line);overflow:hidden}
.cat-hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  min-height:320px;padding:52px 0;
}
.cat-hero-text{max-width:620px}
.pill-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;margin-bottom:16px;
  background:var(--lime);color:var(--ink);border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.cat-hero h1{font-size:40px;font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.cat-hero h1 mark{background:var(--lime);color:var(--ink);padding:0 4px;border-radius:4px}
.cat-hero-lead{font-size:16px;line-height:1.9;color:var(--text-2);max-width:600px}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-badge);
  font-size:12px;color:var(--text-2);
}
.cat-hero-art{position:relative;border-radius:var(--r-hero);overflow:hidden;aspect-ratio:4/3}
.cat-hero-art img{width:100%;height:100%;object-fit:cover;opacity:.55}
.cat-hero-art::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(238,243,236,.95),rgba(238,243,236,.1) 60%);
}

/* ===== Section basics ===== */
.section{padding:var(--gap-block) 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--white)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:32px;font-weight:800;position:relative;padding-left:16px;margin-bottom:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;background:var(--lime);border-radius:2px;
}
.section-head p{color:var(--text-2);font-size:16px}

/* ===== FAQ toolbar ===== */
.faq-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;margin-bottom:36px;
}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.pill:hover{background:var(--lime-18);color:var(--ink);border-color:var(--lime)}
.pill.is-active{background:var(--lime);color:var(--ink);border-color:var(--lime);font-weight:600}
.faq-search{width:300px}
.faq-search .search-box{width:100%;height:44px}

/* ===== FAQ groups ===== */
.faq-group{margin-bottom:56px;scroll-margin-top:110px}
.faq-group:last-of-type{margin-bottom:24px}
.faq-group-title{
  display:flex;align-items:baseline;gap:12px;margin-bottom:8px;
}
.faq-group-title .num{font-size:24px;font-weight:700;color:var(--lime-hover)}
.faq-group-title h2{font-size:24px;font-weight:800}
.faq-group-desc{color:var(--text-2);font-size:15px;margin-bottom:20px;max-width:720px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);opacity:0;transform:translateY(10px)}
.faq-item.in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;min-height:64px;padding:18px 0;border:0;background:transparent;
  text-align:left;font-size:19px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--link)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--link);
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:var(--lime);border-color:var(--lime);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:2px 0 22px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:780px}
.faq-empty{
  text-align:center;padding:56px 16px;border:1px dashed var(--line-2);border-radius:var(--r-card);
  color:var(--text-2);background:#fff;
}
.faq-empty svg{color:var(--line-2);margin:0 auto 12px}

/* ===== Help cards ===== */
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.help-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-card);position:relative;overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.help-card::before{
  content:"";position:absolute;top:0;left:0;height:2px;width:0;background:var(--lime);
  transition:width .24s var(--ease);
}
.help-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.help-card:hover::before{width:100%}
.help-icon{
  width:44px;height:44px;border-radius:12px;background:var(--lime-18);color:var(--link);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.help-card:hover .help-icon{background:var(--lime);color:var(--ink)}
.help-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.help-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.help-card .link-arrow{margin-top:16px;font-size:15px}

/* ===== Channel strip ===== */
.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.channel-item{
  display:flex;align-items:center;gap:18px;padding:22px 24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-2)}
.channel-item .num{font-size:26px;font-weight:700;color:var(--lime-hover);line-height:1}
.channel-body h3{font-size:17px;font-weight:700;margin-bottom:4px}
.channel-body p{font-size:14px;color:var(--text-2);margin:0}
.channel-item .arrow{margin-left:auto;color:var(--line-2);transition:transform .22s var(--ease),color .22s var(--ease)}
.channel-item:hover .arrow{transform:translateX(4px);color:var(--link)}

/* ===== CTA ===== */
.cta-final{background:var(--lime);padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:28px;font-weight:800;color:var(--ink);margin-bottom:10px}
.cta-inner p{color:#254036;font-size:16px;max-width:620px;margin:0}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:var(--on-dark);padding-top:64px;margin-top:0}
.site-footer a{color:var(--on-dark)}
.site-footer a:hover{color:var(--lime)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo-mark{background:var(--lime)}
.footer-brand .logo-text{color:var(--on-dark)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--on-dark);margin-bottom:18px}
.footer-col ul li{margin-bottom:12px;font-size:14px;color:var(--on-dark-2)}
.footer-contact li{color:var(--on-dark-2)}
.footer-contact a{color:var(--on-dark)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(242,246,241,.14);
  padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--on-dark-2)}
.to-top{
  width:40px;height:40px;border-radius:50%;background:transparent;color:var(--lime);
  border:1px solid var(--lime);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease);
}
.to-top:hover{background:var(--lime);color:var(--ink)}

/* ===== Responsive ===== */
@media (max-width:1279px){
  .nav-main{gap:20px}
  .search-box{width:180px}
}
@media (max-width:1023px){
  :root{--gap-block:72px}
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .search-box.head-search{display:none}
  .header-actions .btn-ghost-text{display:none}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;min-height:0;padding:44px 0}
  .cat-hero h1{font-size:34px}
  .cat-hero-art{max-width:520px;aspect-ratio:16/9}
  .help-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--gap-block:56px}
  body{font-size:16px}
  .container{padding:0 16px}
  .header-inner{height:64px;gap:12px}
  .site-header.is-scrolled .header-inner{height:58px}
  .logo-text{font-size:16px}
  .cat-hero h1{font-size:28px}
  .cat-hero-lead{font-size:15px}
  .section-head h2{font-size:24px}
  .faq-toolbar{flex-direction:column;align-items:stretch}
  .faq-search{width:100%}
  .faq-q{font-size:17px;gap:16px}
  .faq-a-inner{font-size:15px}
  .help-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:22px}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-final{padding:56px 0}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px}
  .cat-hero-meta{gap:8px}
  .pill{height:32px;font-size:13px;padding:0 12px}
  .faq-group-title h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .faq-item{opacity:1;transform:none}
}