/* roulang page: index */
:root{
  --brand:#0B3A2C;
  --brand-800:#07281E;
  --brand-050:#E4EDE7;
  --lime:#C8F14E;
  --lime-dark:#A9D92F;
  --orange:#FF5A1F;
  --orange-dark:#DE4510;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --alt:#EDF1E9;
  --text:#12171A;
  --muted:#4A5559;
  --weak:#8A9499;
  --line:rgba(11,58,44,.10);
  --line-strong:rgba(11,58,44,.18);
  --radius-card:14px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(11,58,44,.06),0 12px 32px -12px rgba(11,58,44,.18);
  --shadow-hover:0 2px 6px rgba(11,58,44,.08),0 20px 46px -16px rgba(11,58,44,.26);
  --container:1200px;
  --gutter:24px;
  --gap-section:88px;
  --ease:180ms ease;
  --fs-h1:clamp(30px,4.4vw,52px);
  --fs-h2:clamp(24px,3vw,36px);
  --fs-h3:21px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
.num{font-variant-numeric:tabular-nums;font-weight:700}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#fff}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:var(--container);padding-left:20px;padding-right:20px;margin:0 auto}
.grid-container.full{max-width:100%}
.section{padding:var(--gap-section) 0}
.section.alt{background:var(--alt)}
.section.tight{padding:64px 0}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(11,58,44,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand);flex:0 0 auto}
.brand:hover{color:var(--brand)}
.brand-mark{display:inline-flex;width:34px;height:34px;flex:0 0 auto}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;display:inline-block;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--brand);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);background:var(--surface);
  border-radius:12px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:55;background:var(--surface);
  border-top:1px solid var(--line);padding:22px 20px 32px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.mobile-drawer nav ul{display:block}
.mobile-drawer nav a{
  display:block;height:48px;line-height:48px;padding:0 14px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);border-radius:0;
}
.mobile-drawer nav a.is-active{color:var(--brand);font-weight:600;border-left:3px solid var(--lime);padding-left:11px}
.mobile-drawer .drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -12px rgba(255,90,31,.8)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);background:none;border:0;padding:0;cursor:pointer;
}
.btn-link .arrow{transition:transform var(--ease)}
.btn-link:hover{color:var(--orange)}
.btn-link:hover .arrow{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-brand{background:var(--brand);color:#fff}
.badge-lime{background:var(--lime);color:var(--brand)}
.badge-soft{background:var(--brand-050);color:var(--brand)}
.badge-grey{background:#EEF0EC;color:var(--muted)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--brand);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,40,30,.94) 8%,rgba(11,58,44,.84) 48%,rgba(11,58,44,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:76px 20px 72px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(200,241,78,.16);border:1px solid rgba(200,241,78,.42);color:var(--lime);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:20px;
}
.hero h1{
  font-size:var(--fs-h1);line-height:1.18;color:#fff;margin-bottom:18px;max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17px;color:rgba(255,255,255,.84);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:grid;gap:10px;max-width:36em}
.hero-points li{position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.78)}
.hero-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.trust-strip{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);
  background:rgba(7,40,30,.55);
}
.trust-strip .grid-x{padding:22px 0}
.stat{padding:6px 0}
.stat .stat-num{display:block;font-size:27px;line-height:1.2;color:var(--lime);font-variant-numeric:tabular-nums;font-weight:700}
.stat .stat-label{font-size:13.5px;color:rgba(255,255,255,.7)}

/* ---------- 登录指引卡 ---------- */
.guide-card{
  background:var(--surface);color:var(--text);border-radius:18px;padding:26px 24px;
  box-shadow:0 28px 60px -28px rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.5);
}
.guide-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.guide-title{font-size:19px}
.guide-steps{display:grid;gap:14px}
.guide-steps li{display:flex;gap:12px;align-items:flex-start}
.step-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--brand-050);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.guide-steps strong{display:block;font-size:15.5px;margin-bottom:2px}
.guide-steps p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0}
.guide-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-strong);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.guide-foot span{font-size:13px;color:var(--weak)}

/* ---------- 分区标题 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.06em;margin-bottom:14px;
}
.eyebrow .sec-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:24px;padding:0 8px;
  background:var(--lime);color:var(--brand);border-radius:6px;font-size:12.5px;font-variant-numeric:tabular-nums;
}
.eyebrow::after{content:"";width:44px;height:2px;background:var(--line-strong);border-radius:2px}
.section-title{font-size:var(--fs-h2);margin-bottom:14px}
.section-desc{font-size:16px;color:var(--muted);max-width:44em}

/* ---------- 品牌主张条 ---------- */
.claim-bar{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.claim-bar .grid-x{padding:34px 0}
.claim-item{display:flex;gap:12px;align-items:flex-start;padding:10px 4px}
.claim-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--brand);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
}
.claim-icon svg{width:20px;height:20px}
.claim-item h3{font-size:16px;margin-bottom:4px}
.claim-item p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0}

/* ---------- 图文故事 ---------- */
.story-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-card)}
.story-media img{width:100%;height:100%;min-height:300px;object-fit:cover}
.story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,44,.08),rgba(11,58,44,.36))}
.story-media .badge{position:absolute;left:18px;top:18px;z-index:2}
.story-body h2{font-size:clamp(22px,2.5vw,30px);margin-bottom:18px}
.story-block{padding-left:18px;border-left:3px solid var(--lime);margin-bottom:22px}
.story-block h3{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.story-block h3 span{font-size:13px;color:var(--weak);font-variant-numeric:tabular-nums}
.story-block p{font-size:15.5px;color:var(--muted);margin:0}
.arc-deco{width:150px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--lime),transparent);margin-top:8px}

/* ---------- 通用卡片 ---------- */
.card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform 220ms ease,box-shadow 220ms ease,border-color 220ms ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,44,0),rgba(11,58,44,.28))}
.card-media .badge{position:absolute;left:14px;top:14px;z-index:2}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:19px;line-height:1.4}
.card-title a{color:var(--text)}
.card-title a:hover{color:var(--orange)}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--weak)}
.card-meta .num{color:var(--muted)}
.card-lead .card-title{font-size:clamp(21px,2.4vw,28px)}
.card-lead .card-text{-webkit-line-clamp:3;font-size:15.5px}

/* ---------- 最新信息 ---------- */
.latest-lead{height:100%}
.latest-list{display:grid;gap:14px;height:100%;align-content:start}
.post-row{
  display:flex;gap:14px;align-items:flex-start;padding:14px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform 200ms ease,border-color 200ms ease,box-shadow 200ms ease;
}
.post-row:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.post-thumb{flex:0 0 84px;width:84px;height:66px;border-radius:10px;overflow:hidden;background:var(--alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-row-body{min-width:0;flex:1 1 auto}
.post-row-title{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:6px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-row:hover .post-row-title{color:var(--brand)}
.post-row-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--weak);flex-wrap:wrap}
.empty-state{
  background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.empty-icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-050);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.empty-state p{font-size:15.5px;margin-bottom:18px}

/* ---------- 信任背书 ---------- */
.trust-card{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:12px;
  transition:transform 220ms ease,border-color 220ms ease,box-shadow 220ms ease;
}
.trust-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.trust-card .quote{font-size:15px;color:var(--muted);line-height:1.8;margin:0}
.trust-person{display:flex;align-items:center;gap:12px;margin-top:auto}
.trust-avatar{width:40px;height:40px;border-radius:var(--radius-pill);overflow:hidden;background:var(--alt);flex:0 0 auto}
.trust-avatar img{width:100%;height:100%;object-fit:cover}
.trust-person strong{display:block;font-size:14.5px}
.trust-person span{font-size:12.5px;color:var(--weak)}

/* ---------- FAQ ---------- */
.site-accordion{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-card);margin:0;list-style:none}
.site-accordion .accordion-item{border-bottom:1px solid var(--line)}
.site-accordion .accordion-item:last-child{border-bottom:0}
.site-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);background:var(--surface);
  transition:background-color var(--ease),color var(--ease);
}
.site-accordion .accordion-title:hover{background:var(--alt);color:var(--brand)}
.site-accordion .accordion-title::before{
  order:2;flex:0 0 auto;content:"+";width:28px;height:28px;border-radius:9px;background:var(--brand-050);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;line-height:1;transition:transform var(--ease),background-color var(--ease);
}
.site-accordion .accordion-item.is-active .accordion-title{color:var(--brand)}
.site-accordion .accordion-item.is-active .accordion-title::before{content:"−";background:var(--lime);transform:rotate(180deg)}
.site-accordion .accordion-content{padding:0 22px 22px;background:var(--alt);border-top:1px solid var(--line)}
.site-accordion .accordion-content p{font-size:15px;color:var(--muted);line-height:1.85;padding-top:16px}

/* ---------- CTA 订阅 ---------- */
.cta-band{background:var(--brand);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:32px;padding:70px 0}
.cta-copy h2{font-size:var(--fs-h2);color:#fff;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.78);font-size:16px;max-width:34em}
.sub-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:26px 24px}
.sub-form label{display:block;font-size:14px;color:rgba(255,255,255,.82);margin-bottom:8px}
.sub-row{display:flex;gap:12px;flex-wrap:wrap}
.sub-row input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--radius-input);
  border:1.5px solid rgba(255,255,255,.28);background:rgba(255,255,255,.96);color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-row input::placeholder{color:var(--weak)}
.sub-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,241,78,.4)}
.sub-row .btn{flex:0 0 auto}
.form-msg{font-size:13.5px;margin:12px 0 0;min-height:20px;color:rgba(255,255,255,.7)}
.form-msg.is-err{color:#FFB4A0}
.form-msg.is-ok{color:var(--lime)}
.sub-form.has-error input{border-color:#FF7A5C;box-shadow:0 0 0 4px rgba(255,90,31,.22)}
.form-note{margin:10px 0 0;font-size:12.5px;color:rgba(255,255,255,.58)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-800);color:rgba(255,255,255,.72);padding:66px 0 0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-about{font-size:14px;line-height:1.85;max-width:30em;margin-bottom:18px}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-note{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.8;margin-top:14px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--gap-section:64px}
  .main-nav{display:none}
  .nav-actions .btn{display:none}
  .nav-burger{display:inline-flex}
  .hero-inner{padding:56px 20px 54px}
  .hero h1{max-width:100%}
  .guide-card{margin-top:32px}
  .cta-inner{padding:56px 0}
}
@media screen and (min-width:1024px){
  .mobile-drawer{display:none}
  .cta-inner{grid-template-columns:1.1fr 1fr;align-items:center;padding:88px 0}
}
@media screen and (max-width:639px){
  :root{--gap-section:56px}
  body{font-size:15.5px}
  .grid-container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:15.5px}
  .hero-inner{padding:46px 16px 44px}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat .stat-num{font-size:23px}
  .trust-strip .grid-x{padding:16px 0}
  .section-head{margin-bottom:30px}
  .post-thumb{flex-basis:72px;width:72px;height:58px}
  .site-accordion .accordion-title{padding:16px 16px;font-size:15.5px}
  .site-accordion .accordion-content{padding:0 16px 18px}
  .sub-form{padding:20px 16px}
  .sub-row .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --primary:#0B3A2C;
  --primary-2:#0F4B39;
  --primary-3:#14604A;
  --lime:#C8F14E;
  --orange:#FF5A1F;
  --orange-dark:#DD4A12;
  --bg:#F6F5F0;
  --bg-alt:#EDF1E9;
  --white:#FFFFFF;
  --ink:#12171A;
  --ink-2:#4A5559;
  --ink-3:#8A9499;
  --line:rgba(11,58,44,.10);
  --line-strong:rgba(11,58,44,.18);
  --radius:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 1px 2px rgba(11,58,44,.06),0 12px 32px -12px rgba(11,58,44,.18);
  --shadow-sm:0 1px 2px rgba(11,58,44,.06);
  --shadow-lg:0 2px 4px rgba(11,58,44,.06),0 24px 56px -18px rgba(11,58,44,.26);
  --ease:180ms ease;
  --ease-card:220ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--primary-3)}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.28;color:var(--ink)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

.grid-container{max-width:1200px;padding-left:20px;padding-right:20px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:9999;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;
}
.skip-link:focus{left:0;color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;text-align:center;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -12px rgba(255,90,31,.85)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light{background:var(--lime);color:var(--primary)}
.btn-light:hover{background:#d8ff64;color:var(--primary);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--primary)}
.text-link i{transition:transform var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(246,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(11,58,44,.42);background:rgba(246,245,240,.99)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;display:block;flex:0 0 auto}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-text{font-size:17px;font-weight:700;color:var(--primary);letter-spacing:.01em;white-space:nowrap}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;display:block;padding:10px 14px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.main-nav a:hover{color:var(--primary);background:rgba(11,58,44,.05)}
.main-nav a.is-active{color:var(--primary)}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--white);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  transition:background-color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--white);color:var(--primary);align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--primary)}

.drawer-mask{position:fixed;inset:0;background:rgba(11,58,44,.42);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:940}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);
  background:var(--white);z-index:950;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform 260ms ease;
  box-shadow:-24px 0 48px -24px rgba(11,58,44,.4);
  padding:18px 20px 24px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--white);color:var(--primary);font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--bg-alt)}
.mobile-nav{margin:14px 0 0;flex:1 1 auto;overflow-y:auto}
.mobile-nav a{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-nav a.is-active{color:var(--primary);box-shadow:inset 3px 0 0 var(--lime)}
.mobile-nav a:hover{background:var(--bg-alt);color:var(--primary)}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(11,58,44,.94) 0%,rgba(11,58,44,.82) 52%,rgba(11,58,44,.66) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:78px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  border:2px solid rgba(200,241,78,.28);pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span.sep{color:rgba(255,255,255,.42)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(200,241,78,.16);border:1px solid rgba(200,241,78,.42);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;
  margin:0 0 18px;max-width:16em;
}
.page-hero__lead{font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.86);max-width:46em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--primary);color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px;margin:0}
.section--dark .section-head h2,.section--dark h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.78)}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:13px;font-weight:700;color:var(--primary-3);letter-spacing:.08em;
}
.section-tag::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--lime)}
.section--dark .section-tag{color:var(--lime)}

/* ============ 数据条 ============ */
.fact-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.fact{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease-card),border-color var(--ease-card),box-shadow var(--ease-card);
}
.fact:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow)}
.fact__num{font-size:30px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px}
.fact__num em{font-style:normal;font-size:14px;color:var(--orange);margin-left:2px;font-weight:700}
.fact__label{font-size:14px;color:var(--ink-2)}

/* ============ 图文交错 ============ */
.split-section{padding:88px 0 32px}
.split-row{margin-bottom:64px}
.split-row:last-child{margin-bottom:0}
.media-frame{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);border:1px solid var(--line);background:var(--white);
}
.media-frame img{width:100%;height:340px;object-fit:cover;transition:transform var(--ease-card)}
.media-frame::after{
  content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(11,58,44,.14),rgba(11,58,44,.03));pointer-events:none;
}
.media-frame:hover img{transform:scale(1.03)}
.split-body{padding:6px 0}
.step-tag{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:32px;border-radius:var(--pill);
  background:var(--primary);color:var(--lime);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.split-body h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:14px}
.split-body p{color:var(--ink-2);font-size:16px}
.tick-list{margin-top:16px;display:grid;gap:10px}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.75}
.tick-list li::before{
  content:"";position:absolute;left:6px;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(200,241,78,.28);
}
@media screen and (min-width:640px){
  .split-row.is-reverse .split-media{order:2}
  .split-row.is-reverse .split-body{order:1}
}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform var(--ease-card),border-color var(--ease-card),box-shadow var(--ease-card);
}
.card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow)}
.card__media{position:relative;overflow:hidden}
.card__media img{width:100%;height:190px;object-fit:cover;transition:transform var(--ease-card)}
.card:hover .card__media img{transform:scale(1.03)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,44,.06),rgba(11,58,44,.16))}
.card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card__body h3{font-size:19px;margin:0}
.card__body p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.75}
.card__body .text-link{margin-top:auto}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;line-height:1.6;width:fit-content;
}
.badge--primary{background:rgba(11,58,44,.08);color:var(--primary)}
.badge--lime{background:rgba(200,241,78,.42);color:var(--primary)}
.badge--gray{background:rgba(11,58,44,.05);color:var(--ink-3)}

/* ============ 清单编号 ============ */
.check-list{display:grid;gap:0;border-top:1px solid var(--line)}
.check-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background-color var(--ease);
}
.check-item:hover{background:rgba(11,58,44,.035)}
.check-item__no{
  font-size:14px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;gap:8px;
}
.check-item__no::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.check-item h3{font-size:18px;margin:0 0 8px}
.check-item p{font-size:15px;color:var(--ink-2);margin:0}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:hover{border-color:rgba(11,58,44,.24)}
.accordion-item.is-active{border-color:var(--lime);box-shadow:var(--shadow)}
.accordion-title{
  position:relative;display:block;padding:20px 62px 20px 22px;
  font-size:17px;font-weight:700;color:var(--ink);
  background:var(--white);border:0;line-height:1.6;
  transition:background-color var(--ease),color var(--ease);
}
.accordion-title:hover,.accordion-title:focus{background:var(--bg-alt);color:var(--primary)}
.accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;margin-top:-9px;
  width:24px;height:18px;display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--primary);transition:transform var(--ease-card),color var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"\f068";color:var(--orange)}
.accordion-content{
  display:none;padding:2px 24px 22px;border:0;background:var(--bg-alt);color:var(--ink-2);
  font-size:15px;line-height:1.85;
}
.accordion-content p{margin-bottom:.7em}
.accordion-content p:last-child{margin-bottom:0}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--primary);color:#fff;
  border-radius:20px;padding:56px 48px;box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.22),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--lime),var(--orange));
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);max-width:44em;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:88px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:14px}
.footer-note{font-size:13px;color:rgba(255,255,255,.55);line-height:1.8;margin:0}
.footer-title{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700}
.footer-links li{margin-bottom:2px}
.footer-links a{display:block;padding:7px 0;font-size:14.5px;color:rgba(255,255,255,.76)}
.footer-links a:hover{color:var(--lime)}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.76);padding:5px 0}
.footer-contact strong{color:rgba(255,255,255,.92);font-weight:600}
.footer-bottom{
  margin-top:52px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .main-nav a{padding:10px 10px;font-size:14px}
  .brand-text{font-size:16px}
  .section{padding:72px 0}
  .split-section{padding:72px 0 24px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media screen and (max-width:767px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:64px;gap:12px}
  .header-actions .btn{display:none}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;line-height:1.8}
  .grid-container{padding-left:16px;padding-right:16px}
  .grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-margin-x > .cell{padding-left:8px;padding-right:8px}
  .page-hero{padding:52px 0 48px}
  .page-hero__lead{font-size:15.5px}
  .section{padding:56px 0}
  .split-section{padding:56px 0 16px}
  .section-head{margin-bottom:32px}
  .split-row{margin-bottom:44px}
  .media-frame img{height:230px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .card__media img{height:180px}
  .fact-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .fact{padding:18px 16px}
  .fact__num{font-size:24px}
  .check-item{grid-template-columns:1fr;gap:10px;padding:22px 4px}
  .cta-band{padding:38px 22px;border-radius:16px}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .site-footer{padding-top:56px;margin-top:56px}
  .footer-bottom{margin-top:36px}
  .accordion-title{font-size:16px;padding:18px 54px 18px 18px}
}

/* roulang page: article */
:root{
  --ink:#12171A;
  --ink-2:#4A5559;
  --ink-3:#8A9499;
  --green:#0B3A2C;
  --green-2:#12513D;
  --green-3:#0F4636;
  --lime:#C8F14E;
  --orange:#FF5A1F;
  --orange-d:#E14812;
  --bg:#F6F5F0;
  --bg-alt:#EDF1E9;
  --white:#FFFFFF;
  --border:rgba(11,58,44,.10);
  --border-strong:rgba(11,58,44,.18);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(11,58,44,.06),0 12px 32px -12px rgba(11,58,44,.18);
  --shadow-sm:0 1px 2px rgba(11,58,44,.06),0 6px 16px -10px rgba(11,58,44,.16);
  --container:1200px;
  --gap:24px;
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--green-2);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--green);}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--ink);letter-spacing:.005em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
::selection{background:var(--lime);color:var(--green);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green);color:#fff;padding:12px 20px;z-index:2000;border-radius:0 0 12px 0;}
.skip-link:focus{left:0;color:#fff;}

/* 阅读进度条 */
.progress-track{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:1200;pointer-events:none;}
.progress-bar{height:3px;width:0;background:var(--lime);transition:width 90ms linear;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(246,245,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow var(--t),background-color var(--t);}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(11,58,44,.45);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;padding-top:8px;padding-bottom:8px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;background:var(--green);overflow:hidden;}
.brand-mark svg{width:30px;height:30px;display:block;}
.brand-text{font-size:19px;font-weight:700;color:var(--green);letter-spacing:.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--green-2);}
.main-nav{flex:1 1 auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{display:block;position:relative;padding:10px 14px;font-size:15px;color:var(--ink-2);border-radius:9px;white-space:nowrap;}
.main-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.main-nav a:hover{color:var(--green);background:rgba(11,58,44,.04);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--green);font-weight:600;background:rgba(200,241,78,.24);}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--border);background:var(--white);color:var(--green);cursor:pointer;transition:var(--t);}
.icon-btn:hover{border-color:var(--lime);color:var(--green-2);transform:translateY(-1px);}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);background:var(--white);border-radius:12px;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--green);border-radius:2px;transition:var(--t);}
.menu-toggle:hover{border-color:var(--lime);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);text-align:center;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,31,.9);}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px);}
.btn-secondary{background:transparent;color:var(--green);border-color:var(--green);}
.btn-secondary:hover{background:var(--green);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:#fff;color:var(--green);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:600;font-size:15px;}
.btn-link i{transition:transform var(--t);}
.btn-link:hover{color:var(--orange);}
.btn-link:hover i{transform:translateX(4px);}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;}
.badge-cat{background:var(--lime);color:var(--green);}
.badge-soft{background:var(--bg-alt);color:var(--green-2);}
.badge-line{border:1px solid var(--border-strong);color:var(--ink-2);background:var(--white);}

/* 抽屉 */
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--white);z-index:1400;transform:translateX(105%);transition:transform 260ms ease;display:flex;flex-direction:column;box-shadow:-18px 0 40px -24px rgba(11,58,44,.5);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--white);color:var(--green);cursor:pointer;font-size:16px;display:inline-flex;align-items:center;justify-content:center;}
.drawer-nav{padding:12px 12px 0;overflow-y:auto;flex:1;}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;font-size:16px;color:var(--ink);font-weight:500;}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--green);}
.drawer-nav a.is-active{background:rgba(200,241,78,.28);color:var(--green);font-weight:700;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--border);}
.drawer-mask{position:fixed;inset:0;background:rgba(11,58,44,.45);opacity:0;visibility:hidden;transition:opacity 240ms ease,visibility 240ms ease;z-index:1300;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 面包屑 */
.breadcrumb{padding:26px 0 0;font-size:13px;color:var(--ink-3);}
.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{color:rgba(11,58,44,.25);}
.breadcrumb .crumb-cat{color:var(--green-2);font-weight:600;}
.breadcrumb .crumb-current{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2);}

/* 文章头 */
.article-hero{padding-bottom:34px;}
.article-head{max-width:880px;padding-top:20px;}
.article-head h1{font-size:clamp(28px,4vw,46px);line-height:1.2;margin:16px 0 18px;letter-spacing:.005em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--ink-3);}
.article-meta li{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--green-2);font-size:13px;}

/* 布局 */
.article-layout{padding-bottom:72px;}
.article-main{min-width:0;}
.article-cover{margin:0 0 30px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);background:var(--white);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-figure-cap{font-size:13px;color:var(--ink-3);padding:10px 16px;border-top:1px solid var(--border);background:var(--white);}

/* 正文 */
.article-body{font-size:17px;line-height:1.9;color:var(--ink);max-width:820px;}
.article-body>*:first-child{margin-top:0;}
.article-body h2{font-size:clamp(22px,2.5vw,28px);margin:2em 0 .7em;padding-left:16px;border-left:4px solid var(--lime);line-height:1.42;}
.article-body h3{font-size:20px;margin:1.7em 0 .6em;font-weight:700;}
.article-body h4{font-size:17.5px;margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.1em;}
.article-body a{color:var(--green-2);text-decoration:underline;text-decoration-color:rgba(11,58,44,.28);text-underline-offset:3px;}
.article-body a:hover{color:var(--ink);text-decoration-color:var(--lime);text-decoration-thickness:2px;}
.article-body strong{color:var(--green);}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;background:var(--lime);border-radius:2px;}
.article-body ol{list-style:decimal;padding-left:22px;margin:0 0 1.2em;}
.article-body ol li{list-style:decimal;margin:.5em 0;}
.article-body blockquote{margin:1.6em 0;padding:16px 22px;background:var(--bg-alt);border-left:4px solid var(--lime);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2);font-size:16.5px;}
.article-body img{border-radius:var(--radius-sm);margin:1.5em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2em 0;}
.article-body code{background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:15px;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.6em 0;border:1px solid var(--border);border-radius:var(--radius-sm);}
.table-scroll table{margin:0;min-width:520px;width:100%;border-collapse:collapse;font-size:15.5px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.6em 0;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--bg-alt);font-weight:600;color:var(--green);}

/* 空态 */
.empty-state{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:56px 28px;text-align:center;box-shadow:var(--shadow-sm);}
.empty-state i{font-size:32px;color:var(--green-2);}
.empty-state h2{font-size:24px;margin:16px 0 10px;}
.empty-state p{color:var(--ink-2);max-width:520px;margin:0 auto 22px;}

/* 文末区 */
.post-tags{margin-top:40px;padding-top:24px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.post-tags .label{font-size:13px;color:var(--ink-3);margin-right:2px;}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:var(--bg-alt);color:var(--green-2);font-size:13.5px;font-weight:600;border:1px solid transparent;transition:var(--t);}
.tag:hover{background:rgba(200,241,78,.35);border-color:var(--lime);color:var(--green);}

.accordion{margin:28px 0 0;border:none;background:transparent;}
.accordion-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--white);margin-bottom:12px;overflow:hidden;}
.accordion-item:last-child{margin-bottom:0;}
.accordion-title{display:block;padding:16px 54px 16px 20px;font-size:17px;font-weight:600;color:var(--ink);background:var(--white);border:none;position:relative;transition:background-color var(--t);}
.accordion-title:hover,.accordion-title:focus{background:var(--bg-alt);}
.accordion-title::before{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;line-height:1;color:var(--green);transition:transform var(--t);}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-content{border:none;background:var(--bg-alt);color:var(--ink-2);font-size:15.5px;line-height:1.85;padding:16px 20px;}
.accordion-content p{margin:0 0 .8em;}

.section-head{margin:56px 0 22px;}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--green-2);letter-spacing:.14em;margin-bottom:8px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--ink-2);font-size:15.5px;margin:8px 0 0;max-width:640px;}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;transition:transform 220ms ease,border-color 220ms ease,box-shadow 220ms ease;}
.card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 260ms ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,44,.14),rgba(11,58,44,.34));}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17.5px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}

.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);margin-top:36px;}
.post-nav-item{display:block;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;transition:var(--t);}
.post-nav-item:hover{border-color:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.post-nav-item .pn-label{display:block;font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;margin-bottom:6px;}
.post-nav-item .pn-title{display:block;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55;}
.post-nav-item.is-next{text-align:right;}

/* 侧栏 */
.sidebar-sticky{position:sticky;top:98px;display:flex;flex-direction:column;gap:var(--gap);}
.side-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px;}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--green-2);font-size:14px;}
.toc-list li{margin:0;}
.toc-list a{display:block;padding:9px 12px;border-left:2px solid var(--border);font-size:14.5px;color:var(--ink-2);line-height:1.6;}
.toc-list a:hover{border-left-color:var(--lime);background:var(--bg-alt);color:var(--green);}
.side-links li+li{border-top:1px solid var(--border);}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 2px;font-size:15px;color:var(--ink);}
.side-links a i{font-size:12px;color:var(--ink-3);transition:transform var(--t);}
.side-links a:hover{color:var(--green);}
.side-links a:hover i{transform:translateX(4px);color:var(--orange);}
.entry-card{background:linear-gradient(160deg,var(--green),var(--green-3));color:#fff;border:none;position:relative;overflow:hidden;}
.entry-card::after{content:"";position:absolute;right:-40px;bottom:-50px;width:150px;height:150px;border-radius:50%;border:18px solid rgba(200,241,78,.18);}
.entry-card h3{color:#fff;position:relative;z-index:1;}
.entry-card ol{position:relative;z-index:1;counter-reset:step;}
.entry-card ol li{position:relative;padding-left:34px;margin:.7em 0;font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.7;}
.entry-card ol li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:0;top:2px;font-size:12px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;}
.entry-card .btn{margin-top:16px;position:relative;z-index:1;}

/* 提示块 */
.note-strip{margin-top:34px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;display:flex;gap:16px;align-items:flex-start;}
.note-strip i{font-size:20px;color:var(--green-2);margin-top:4px;}
.note-strip h4{font-size:16.5px;margin-bottom:6px;}
.note-strip p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* CTA 带 */
.cta-band{background:linear-gradient(135deg,var(--green) 0%,var(--green-3) 100%);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:-80px;top:-80px;width:280px;height:280px;border-radius:50%;border:26px solid rgba(200,241,78,.12);}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-text{max-width:620px;}
.cta-text .eyebrow-light{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--lime);margin-bottom:10px;}
.cta-text h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
.cta-text p{color:rgba(255,255,255,.82);font-size:15.5px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--green);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:transparent;}
.footer-brand .brand-text{font-size:18px;font-weight:700;color:#fff;}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 0 12px;max-width:460px;}
.footer-note{font-size:13px;color:rgba(255,255,255,.5);margin:0;line-height:1.75;}
.footer-title{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14.5px;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);}
.footer-contact strong{color:rgba(255,255,255,.9);font-weight:600;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.55);}

/* 响应式 */
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .sidebar-sticky{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-head h1{font-size:clamp(26px,5vw,36px);}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:16px;}
  .header-inner{min-height:64px;}
  .article-hero{padding-bottom:22px;}
  .article-layout{padding-bottom:48px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .post-nav-item.is-next{text-align:left;}
  .article-body{font-size:16.5px;}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .note-strip{flex-direction:column;gap:10px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
  --brand:#0B3A2C;
  --brand-soft:#14503C;
  --lime:#C8F14E;
  --orange:#FF5A1F;
  --orange-dark:#E24A12;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --alt:#EDF1E9;
  --ink:#12171A;
  --ink-2:#4A5559;
  --ink-3:#8A9499;
  --line:rgba(11,58,44,.10);
  --line-strong:rgba(11,58,44,.18);
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(11,58,44,.06), 0 12px 32px -12px rgba(11,58,44,.18);
  --shadow-soft:0 1px 2px rgba(11,58,44,.05), 0 8px 20px -14px rgba(11,58,44,.20);
  --container:1200px;
  --gutter:24px;
  --space-section:88px;
  --space-section-m:56px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0 0 14px;color:var(--ink);font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.28;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1.1em;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;
}
.skip-link:focus{left:0;color:#fff;}
.grid-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:var(--gutter);padding-right:var(--gutter);}
.section{padding:var(--space-section) 0;}
.section--alt{background:var(--alt);}
.section--dark{background:var(--brand);color:#fff;}
.section--dark h2,.section--dark h3{color:#fff;}
.section--dark p{color:rgba(255,255,255,.78);}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 按钮与徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -12px rgba(255,90,31,.75);}
.btn-primary:hover,.btn-primary:focus{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover,.btn-ghost:focus{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover,.btn-outline:focus{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--brand);}
.btn-lime:hover,.btn-lime:focus{background:#d6f96a;color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;background:none;border:0;padding:0;cursor:pointer;}
.btn-link i{transition:transform var(--ease);}
.btn-link:hover{color:var(--orange);}
.btn-link:hover i{transform:translateX(4px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;line-height:1.7;letter-spacing:.02em;
}
.badge-brand{background:rgba(11,58,44,.08);color:var(--brand);}
.badge-lime{background:rgba(200,241,78,.55);color:#1D3B12;}
.badge-gray{background:rgba(18,23,26,.06);color:var(--ink-2);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(11,58,44,.42);background:#F6F5F0;}
.header-bar{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;display:inline-flex;}
.brand-mark svg{width:100%;height:100%;display:block;}
.brand-text{font-size:18px;font-weight:800;color:var(--brand);letter-spacing:.01em;line-height:1.2;}
.brand:hover .brand-text{color:var(--brand);}
.main-nav{flex:1 1 auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;justify-content:flex-end;}
.main-nav a{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:15px;color:var(--ink-2);font-weight:500;border-radius:var(--radius-sm);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;color:var(--brand);
  cursor:pointer;transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
.menu-btn{display:none;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--brand);font-size:17px;cursor:pointer;}
.menu-btn:hover{background:var(--brand);color:#fff;}
.drawer-mask{position:fixed;inset:0;background:rgba(11,58,44,.42);z-index:80;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:90;
  background:#fff;box-shadow:-18px 0 40px -20px rgba(11,58,44,.5);
  transform:translateX(100%);transition:transform 220ms ease;
  display:flex;flex-direction:column;padding:20px 22px calc(20px + env(safe-area-inset-bottom));
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 4px;
  border-bottom:1px solid var(--line);color:var(--ink-2);font-size:15.5px;
}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;box-shadow:inset 3px 0 0 var(--lime);padding-left:12px;}
.drawer-cta{margin-top:auto;width:100%;}

/* ============ 分类页头 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--brand);color:#fff;}
.page-hero .hero-media{position:absolute;inset:0;}
.page-hero .hero-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.9);}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,58,44,.94) 6%,rgba(11,58,44,.80) 48%,rgba(11,58,44,.60) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 72px;}
.page-hero h1{color:#fff;margin-bottom:16px;}
.page-hero .hero-lead{max-width:640px;font-size:17px;color:rgba(255,255,255,.82);margin-bottom:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:rgba(200,241,78,.16);border:1px solid rgba(200,241,78,.42);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.06em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 34px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px;}
.hero-meta li{display:flex;flex-direction:column;gap:2px;}
.hero-meta .meta-label{font-size:13px;color:rgba(255,255,255,.62);}
.hero-meta .meta-value{font-size:17px;color:#fff;font-weight:700;}
.breadcrumb{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);padding-top:22px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}

/* ============ 通用板块结构 ============ */
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;
}
.section-head .kicker::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--lime);}
.section-head.is-center .kicker::before{display:none;}
.section-head p{font-size:16px;}
.section--dark .section-head .kicker{color:var(--lime);}

/* ============ 要点卡 ============ */
.point-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-soft);
  transition:transform 220ms ease,border-color 220ms ease,box-shadow 220ms ease;
}
.point-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow);}
.point-icon{
  width:46px;height:46px;border-radius:12px;background:rgba(11,58,44,.07);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.point-card h3{font-size:19px;}
.point-card p{font-size:15px;color:var(--ink-2);}

/* ============ 编号时间线 ============ */
.timeline{position:relative;padding-top:8px;}
.timeline-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;
}
.timeline-track::before{
  content:"";position:absolute;left:36px;right:36px;top:23px;height:2px;
  background:linear-gradient(90deg,rgba(11,58,44,.55),rgba(11,58,44,.22) 65%,rgba(11,58,44,.08));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 24px 0 0;}
.tl-num{
  position:relative;z-index:2;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:var(--lime);
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px #fff,0 10px 22px -14px rgba(11,58,44,.7);
  margin-bottom:22px;
}
.section--alt .tl-num{box-shadow:0 0 0 6px var(--alt),0 10px 22px -14px rgba(11,58,44,.7);}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{font-size:15px;}
.tl-tag{display:inline-block;margin-top:14px;}

/* ============ 适配卡片 ============ */
.device-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-soft);
  display:flex;flex-direction:column;
  transition:transform 220ms ease,border-color 220ms ease,box-shadow 220ms ease;
}
.device-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow);}
.device-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.device-icon{
  width:40px;height:40px;border-radius:10px;background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto;
}
.device-card h3{font-size:18px;margin:0;}
.device-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.device-spec{margin-top:auto;border-top:1px dashed var(--line-strong);padding-top:14px;display:flex;flex-direction:column;gap:6px;}
.device-spec li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--ink-3);}
.device-spec .spec-val{color:var(--brand);font-weight:700;}

/* ============ 图文分栏 ============ */
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;min-height:300px;object-fit:cover;}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(11,58,44,.14),rgba(11,58,44,.02));}
.scene-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.scene-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 18px;font-size:15px;color:var(--ink-2);
  transition:border-color var(--ease),transform var(--ease);
}
.scene-list li:hover{border-color:var(--lime);transform:translateY(-2px);}
.scene-list i{color:var(--orange);font-size:14px;margin-top:6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-soft);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:hover{border-color:rgba(200,241,78,.9);}
.accordion-title{
  display:block;position:relative;
  padding:18px 58px 18px 22px;
  font-size:17px;font-weight:600;color:var(--ink);
  background:#fff;border:0;line-height:1.6;
  transition:color var(--ease),background-color var(--ease);
}
.accordion-title:hover,.accordion-title:focus{background:#FBFCF7;color:var(--brand);}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;left:auto;
  transform:translateY(-50%);
  width:26px;height:26px;line-height:24px;text-align:center;
  border-radius:50%;background:rgba(11,58,44,.07);color:var(--brand);
  font-size:16px;font-weight:700;margin:0;transition:transform 220ms ease,background-color var(--ease);
}
.accordion-title[aria-expanded="true"]{color:var(--brand);}
.accordion-title[aria-expanded="true"]::before{
  content:"−";background:var(--lime);color:var(--brand);transform:translateY(-50%) rotate(180deg);
}
.accordion-content{background:#FBFCF7;border:0 !important;padding:4px 22px 20px;}
.accordion-content p{font-size:15.5px;line-height:1.8;color:var(--ink-2);margin:0;}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand);border-radius:20px;color:#fff;
  padding:52px 48px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.28),rgba(200,241,78,0) 70%);
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.8);max-width:560px;}
.cta-band .cta-inner{position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.6);}
.cta-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.cta-panel h3{font-size:18px;}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.form-field label{font-size:14px;font-weight:600;color:var(--ink);}
.form-field input{
  height:48px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);
  padding:0 16px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-field input::placeholder{color:var(--ink-3);}
.form-field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,78,.55);}
.form-field.has-error input{border-color:#D8452B;box-shadow:0 0 0 3px rgba(216,69,43,.14);}
.form-error{font-size:13px;color:#D8452B;display:none;}
.form-field.has-error .form-error{display:block;}
.form-msg{font-size:13.5px;color:var(--brand);margin-top:12px;display:none;}
.form-msg.is-ok{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand);color:rgba(255,255,255,.7);padding:66px 0 26px;margin-top:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:34px;height:34px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-about{font-size:14.5px;color:rgba(255,255,255,.68);max-width:380px;}
.footer-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--space-section:64px;}
  .header-bar{min-height:64px;}
  .main-nav{display:none;}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;}
  .header-tools .btn-primary{display:none;}
  .hero-inner{padding:46px 0 54px;}
  .timeline-track{grid-template-columns:1fr;gap:0;}
  .timeline-track::before{left:23px;right:auto;top:12px;bottom:34px;width:2px;height:auto;background:linear-gradient(180deg,rgba(11,58,44,.5),rgba(11,58,44,.1));}
  .tl-item{padding:0 0 34px 0;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-num{margin-left:0;}
  .tl-body{padding-left:70px;margin-top:-64px;}
  .cta-band{padding:40px 30px;}
  .section-head{margin-bottom:34px;}
}
@media screen and (max-width:639px){
  :root{--space-section:56px;--gutter:18px;}
  body{font-size:15.5px;}
  .brand-text{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:14px 22px;}
  .hero-meta .meta-value{font-size:15.5px;}
  .breadcrumb .current{max-width:60vw;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-actions .btn{width:100%;}
  .accordion-title{font-size:15.5px;padding:16px 52px 16px 18px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --green:#0B3A2C;
  --green-700:#0E4A38;
  --green-900:#072A20;
  --lime:#C8F14E;
  --lime-soft:rgba(200,241,78,.22);
  --orange:#FF5A1F;
  --orange-dark:#DF4A12;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --alt:#EDF1E9;
  --ink:#12171A;
  --ink-2:#4A5559;
  --ink-3:#8A9499;
  --line:rgba(11,58,44,.10);
  --line-strong:rgba(11,58,44,.22);
  --r-card:14px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(11,58,44,.06);
  --shadow:0 1px 2px rgba(11,58,44,.06),0 12px 32px -12px rgba(11,58,44,.18);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:56px; --sp-6:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font);font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:.01em}
p{margin:0 0 1.1em;text-align:left}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--green);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--green-700)}
img{max-width:100%;display:block;border:0}
button,input{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-x>.cell:not(:last-child){margin-bottom:24px}
.num{font-variant-numeric:tabular-nums;font-weight:700}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--lime);color:var(--green);font-weight:700;padding:10px 18px;border-radius:0 0 10px 0}
.skip-link:focus{left:0;color:var(--green)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,240,.95);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(11,58,44,.55)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;flex:0 0 38px;display:block}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-text{font-size:18px;font-weight:700;color:var(--green);letter-spacing:.02em;white-space:nowrap}
.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.main-nav a{
  position:relative;display:block;padding:10px 13px;font-size:15px;color:var(--ink-2);
  border-radius:8px;white-space:nowrap;
}
.main-nav a:hover{color:var(--green);background:var(--lime-soft)}
.main-nav a.is-active{color:var(--green);font-weight:700}
.main-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:3px;border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--green);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .18s ease,transform .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--lime);background:#fff;transform:translateY(-2px);color:var(--green)}
.nav-toggle{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--r-pill);border:1.5px solid transparent;
  padding:13px 26px;font-size:15px;font-weight:700;line-height:1.2;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px -12px rgba(255,90,31,.85)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green);border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:var(--lime);color:var(--green);border-color:var(--lime);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--green)}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(5px);color:var(--orange)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  padding:5px 12px;font-size:12.5px;font-weight:700;line-height:1.5;letter-spacing:.02em;
}
.badge-green{background:var(--green);color:#fff}
.badge-lime{background:var(--lime);color:var(--green)}
.badge-grey{background:var(--alt);color:var(--ink-2);border:1px solid var(--line)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;left:0;right:0;top:74px;bottom:0;z-index:70;
  background:var(--bg);border-top:1px solid var(--line);
  transform:translateY(-104%);transition:transform .3s ease;
  overflow-y:auto;display:flex;flex-direction:column;padding:20px 24px 32px;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;justify-content:flex-end;margin-bottom:6px}
.drawer-nav{display:flex;flex-direction:column;flex:1 1 auto}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 6px;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--green);font-weight:700;box-shadow:inset 3px 0 0 var(--lime);padding-left:14px}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer-note{font-size:13px;color:var(--ink-3);margin-top:14px}

/* ============ 分类头 ============ */
.cat-hero{
  position:relative;color:#fff;padding:92px 0 76px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(7,42,32,.95) 0%,rgba(11,58,44,.86) 48%,rgba(11,58,44,.62) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-190px;width:460px;height:460px;border-radius:50%;
  border:2px solid rgba(200,241,78,.32);pointer-events:none;
}
.cat-hero .inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .current{color:#fff;font-weight:700}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;color:#fff;max-width:16em;
}
.cat-hero .lead{
  margin-top:18px;max-width:44em;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);
}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cat-tag{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;
  background:rgba(255,255,255,.1);border:1px solid rgba(200,241,78,.45);
  border-radius:var(--r-pill);padding:6px 16px;font-size:13px;color:var(--lime);font-weight:700;letter-spacing:.04em;
}

/* ============ 数据条 ============ */
.stat-strip{background:var(--green-900);color:#fff;padding:26px 0}
.stat-strip .grid-x>.cell{margin-bottom:0}
.stat-item{display:flex;align-items:baseline;gap:10px;padding:6px 0}
.stat-item .v{font-size:26px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--lime)}
.stat-item .k{font-size:13.5px;color:rgba(255,255,255,.72)}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-6) 0}
.section-alt{background:var(--alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--green);text-transform:none;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--lime)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.section-head.on-dark h2,.section-head.on-dark p{color:#fff}
.section-head.on-dark .eyebrow{color:var(--lime)}

/* ============ 主网格 + 粘性栏 ============ */
.layout-aside{align-items:flex-start}
.aside-sticky{position:sticky;top:98px;display:flex;flex-direction:column;gap:20px}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:26px;height:100%;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:0 1px 2px rgba(11,58,44,.06),0 18px 40px -18px rgba(11,58,44,.32)}
.card .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.card p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.icon-box{
  width:46px;height:46px;border-radius:12px;background:var(--green);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 46px;
}
.check-list{display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:11px;font-size:15px;color:var(--ink-2);line-height:1.7}
.check-list li i{color:var(--green);margin-top:5px;font-size:14px;flex:0 0 auto}
.check-list li strong{color:var(--ink)}

/* 图片卡 */
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease;
}
.media-card:hover{transform:translateY(-2px);border-color:var(--lime)}
.media-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.media-card:hover .thumb img{transform:scale(1.03)}
.media-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,44,.14),rgba(11,58,44,.42))}
.media-card .thumb .badge{position:absolute;left:16px;top:16px;z-index:2}
.media-card .body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.media-card .body h3{font-size:19px;margin-bottom:10px}
.media-card .body p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}
.media-card .body .text-link{margin-top:auto}

/* 粘性信息栏 */
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:24px;
}
.side-panel h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-panel h3 i{color:var(--green)}
.side-panel .divider{height:1px;background:var(--line);margin:18px 0}
.side-panel p{font-size:14px;color:var(--ink-2)}
.side-panel .btn{width:100%}
.side-panel .btn + .btn{margin-top:10px}
.mini-steps{display:flex;flex-direction:column;gap:14px}
.mini-steps li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);line-height:1.65}
.mini-steps .idx{
  flex:0 0 26px;height:26px;border-radius:8px;background:var(--lime);color:var(--green);
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
}
.tip-box{background:var(--alt);border-left:4px solid var(--lime);border-radius:0 10px 10px 0;padding:14px 16px;font-size:14px;color:var(--ink-2)}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-sm);position:relative;transition:transform .22s ease,border-color .22s ease;
}
.flow-item:hover{transform:translateY(-2px);border-color:var(--lime)}
.flow-item .no{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
  background:var(--green);color:var(--lime);font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--ink-2);margin:0}

/* ============ 对比列表 ============ */
.verify-list{border-top:1px solid var(--line)}
.verify-list li{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding:18px 14px;border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.verify-list li:hover{background:var(--lime-soft)}
.verify-list .name{font-weight:700;font-size:16px;flex:1 1 220px;color:var(--ink)}
.verify-list .desc{flex:2 1 320px;font-size:14.5px;color:var(--ink-2)}
.verify-list .when{font-size:13.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;text-align:right;flex:0 0 auto}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;margin:0}
.accordion-item{border:1px solid var(--line)!important;border-radius:var(--r-card);background:#fff;margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden}
.accordion-item:hover{border-color:var(--lime)!important}
.accordion-title{
  font-size:17px;font-weight:700;color:var(--ink);padding:20px 60px 20px 22px;border:0;
  position:relative;background:transparent;display:block;
}
.accordion-title:hover{background:var(--lime-soft);color:var(--green)}
.accordion-title::before{
  content:"+";font-family:var(--font);font-weight:700;font-size:22px;color:var(--green);
  position:absolute;right:22px;top:50%;transform:translateY(-50%);line-height:1;
  transition:transform .22s ease;background:none;width:auto;height:auto;
}
.accordion-title[aria-expanded="true"]::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.accordion-content{
  border:0;border-top:1px solid var(--line);background:var(--alt);color:var(--ink-2);
  padding:18px 22px;font-size:15px;line-height:1.8;
}
.accordion-content p:last-child{margin-bottom:0}

/* ============ CTA 带 ============ */
.cta-band{background:var(--green);color:#fff;position:relative;overflow:hidden;padding:74px 0}
.cta-band::before{
  content:"";position:absolute;left:-140px;top:-160px;width:420px;height:420px;border-radius:50%;
  border:2px solid rgba(200,241,78,.28);
}
.cta-band .inner{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.25}
.cta-band p{color:rgba(255,255,255,.82);margin-top:14px;font-size:16px;max-width:44em}
.subscribe{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;max-width:560px}
.field{flex:1 1 260px;display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;color:rgba(255,255,255,.86)}
.field input{
  height:48px;border-radius:var(--r-input);border:1.5px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.1);color:#fff;padding:0 15px;width:100%;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input::placeholder{color:rgba(255,255,255,.55)}
.field input:focus{
  outline:none;border-color:var(--lime);background:rgba(255,255,255,.16);
  box-shadow:0 0 0 4px rgba(200,241,78,.24);
}
.field.is-error input{border-color:#FF8B6B;box-shadow:0 0 0 4px rgba(255,90,31,.22)}
.field .msg{font-size:13px;min-height:18px;color:#FFD9CC}
.field .msg.ok{color:var(--lime)}
.cta-band .privacy{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.78);padding:64px 0 26px;font-size:14.5px}
.site-footer .grid-x>.cell{margin-bottom:28px}
.footer-brand{display:inline-flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer-about{color:rgba(255,255,255,.7);font-size:14px;line-height:1.85;margin-bottom:12px}
.footer-note{color:rgba(255,255,255,.5);font-size:13px;line-height:1.7;margin-bottom:0}
.footer-title{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-links li,.footer-contact li{margin-bottom:10px;line-height:1.7}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-links a:hover{color:var(--lime)}
.footer-contact li{color:rgba(255,255,255,.7);font-size:14px}
.footer-contact strong{color:rgba(255,255,255,.9);font-weight:700}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:12px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .header-actions .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:56px 0}
  .cat-hero{padding:70px 0 58px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .aside-sticky{position:static}
  .grid-margin-x>.cell:not(:last-child){margin-bottom:22px}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-text{font-size:16px}
  .header-inner{min-height:66px}
  .drawer{top:66px;padding:16px 18px 28px}
  .cat-hero{padding:52px 0 44px}
  .cat-hero .lead{font-size:15.5px}
  .cat-hero .hero-actions{gap:10px}
  .cat-hero .hero-actions .btn{flex:1 1 100%}
  .stat-item .v{font-size:22px}
  .flow{grid-template-columns:1fr}
  .section-head{margin-bottom:30px}
  .card{padding:22px}
  .media-card .body{padding:18px}
  .cta-band{padding:54px 0}
  .subscribe .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category4 */
:root{
  --brand:#0B3A2C;
  --brand-2:#14543F;
  --lime:#C8F14E;
  --orange:#FF5A1F;
  --orange-dark:#E24A10;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --alt:#EDF1E9;
  --ink:#12171A;
  --ink-2:#4A5559;
  --ink-3:#8A9499;
  --line:rgba(11,58,44,.10);
  --radius:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-card:0 1px 2px rgba(11,58,44,.06), 0 12px 32px -12px rgba(11,58,44,.18);
  --shadow-soft:0 1px 2px rgba(11,58,44,.06);
  --container:1200px;
  --font:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:normal;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;color:var(--ink);letter-spacing:.1px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button,input{font:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand);color:#fff;padding:12px 20px;border-radius:0 0 10px 0;font-size:14px;
}
.skip-link:focus{left:0;color:#fff;}

.grid-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(11,58,44,.55);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:inline-flex;width:34px;height:34px;}
.brand-mark svg{width:34px;height:34px;display:block;}
.brand-text{font-size:17px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:.2px;}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.main-nav ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;
  color:var(--ink-2);border-radius:8px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:3px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand);background:rgba(200,241,78,.18);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--pill);border:1px solid var(--line);background:#fff;color:var(--brand);
  cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--lime);color:var(--brand);}
.icon-btn svg{width:18px;height:18px;display:block;}
.btn-header{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--pill);background:var(--orange);color:#fff;
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  box-shadow:0 10px 22px -14px rgba(255,90,31,.9);
  transition:background .18s ease,transform .18s ease,color .18s ease;
}
.btn-header:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:90;pointer-events:none;}
.drawer-mask{
  position:absolute;inset:0;background:rgba(11,58,44,.48);opacity:0;
  transition:opacity .26s ease;
}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(86vw,350px);
  background:#fff;padding:22px 22px 26px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .3s ease;
  box-shadow:-16px 0 40px -22px rgba(11,58,44,.7);
}
.mobile-drawer.is-open{pointer-events:auto;}
.mobile-drawer.is-open .drawer-mask{opacity:1;}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head .brand-text{font-size:16px;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--pill);border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 4px;font-size:15.5px;
  color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;box-shadow:inset 3px 0 0 var(--lime);padding-left:14px;}
.drawer-cta{margin-top:auto;padding-top:22px;}
.drawer-cta .btn{width:100%;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 26px -16px rgba(255,90,31,.95);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.72);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand);}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover .arrow{transform:translateX(4px);}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background-color:var(--brand);color:#fff;}
.page-hero .hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.62;
}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,58,44,.95) 0%,rgba(11,58,44,.82) 46%,rgba(11,58,44,.55) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;padding:74px 0 30px;max-width:840px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.45;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;color:#fff;
}
.hero-lead{margin-top:18px;max-width:720px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.87);}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-tags{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;padding:34px 0 56px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--pill);
  font-size:13.5px;color:rgba(255,255,255,.92);background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section--alt{background:var(--alt);}
.section--white{background:#fff;}
.section-head{max-width:780px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(200,241,78,.38);padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:14px;height:2px;background:var(--brand);border-radius:2px;}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.28;}
.section-sub{margin-top:14px;font-size:16px;color:var(--ink-2);}

/* ---------- Quick cards ---------- */
.quick-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.quick-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-card);}
.quick-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:12px;background:var(--brand);color:var(--lime);font-size:14px;
  font-variant-numeric:tabular-nums;font-weight:700;margin-bottom:16px;
}
.quick-card h3{font-size:20px;margin-bottom:10px;}
.quick-card p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- Stats ---------- */
.stat-row{margin-top:36px;}
.stat{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;text-align:left;box-shadow:var(--shadow-soft);
}
.stat .stat-value{font-size:clamp(22px,2.4vw,30px);color:var(--brand);font-variant-numeric:tabular-nums;font-weight:700;line-height:1.2;}
.stat .stat-label{margin-top:8px;font-size:13.5px;color:var(--ink-3);}

/* ---------- Split blocks ---------- */
.split{margin-bottom:0;}
.split + .split{margin-top:72px;}
.split-media{margin-bottom:0;}
.figure{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:#fff;
}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,58,44,.05),rgba(11,58,44,.18));
  pointer-events:none;
}
.figure-caption{padding:12px 16px;font-size:13px;color:var(--ink-3);background:#fff;border-top:1px solid var(--line);}
.split-text h3{font-size:22px;margin-bottom:16px;}
.split-text p{font-size:16px;line-height:1.85;color:var(--ink-2);}
.mini-step{margin-bottom:20px;}
.mini-step-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.mini-num{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;flex:0 0 auto;
  border-radius:9px;background:var(--brand);color:var(--lime);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.mini-step-head strong{font-size:17px;color:var(--ink);}

/* ---------- Checklist ---------- */
.check-list{margin-top:6px;}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:15.5px;line-height:1.8;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;margin-top:5px;border-radius:50%;
  background:rgba(200,241,78,.55);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}

/* ---------- Accordion ---------- */
.acc-wrap{max-width:940px;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-soft);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion .accordion-item:hover{border-color:rgba(200,241,78,.9);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
  background:#fff;border:0;line-height:1.5;
}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"";flex:0 0 auto;width:18px;height:18px;
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-position:center,center;
  background-size:18px 2px,2px 18px;
  background-repeat:no-repeat;
  transition:background-size .24s ease,transform .24s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{
  background-size:18px 2px,0 18px;transform:rotate(180deg);
}
.accordion .accordion-item.is-active{border-color:var(--lime);box-shadow:var(--shadow-card);}
.accordion .accordion-content{
  padding:0 24px 22px;background:#FBFCF8;color:var(--ink-2);border:0;
}
.accordion .accordion-content p{font-size:15.5px;line-height:1.85;margin:0 0 .8em;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- Flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{
  position:relative;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.flow-item:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-card);}
.flow-item::after{
  content:"";position:absolute;top:46px;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(11,58,44,.22),rgba(11,58,44,.04));
}
.flow-item:last-child::after{display:none;}
.flow-num{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;
  font-variant-numeric:tabular-nums;margin-bottom:12px;display:block;
}
.flow-item h3{font-size:19px;margin-bottom:10px;}
.flow-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}

/* ---------- Scenario cards ---------- */
.scene-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-card);}
.scene-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(11,58,44,.08);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.scene-card h3{font-size:19px;margin-bottom:10px;}
.scene-card p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-section{position:relative;overflow:hidden;background:var(--brand);color:#fff;padding:80px 0;}
.cta-section .cta-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.2;
}
.cta-inner{position:relative;z-index:2;max-width:760px;}
.cta-section h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.28;}
.cta-section p{color:rgba(255,255,255,.84);font-size:16px;margin-top:14px;}
.subscribe-form{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start;}
.field{flex:1 1 300px;min-width:240px;}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.82);margin-bottom:8px;}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.55);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,241,78,.45);}
.field.is-error input{border-color:#D93025;box-shadow:0 0 0 4px rgba(217,48,37,.20);}
.field-error{display:none;margin-top:8px;font-size:13px;color:#FFB9AB;}
.field.is-error .field-error{display:block;}
.form-actions{flex:0 0 auto;display:flex;align-items:flex-end;}
.form-actions .btn{height:48px;padding:0 30px;}
.form-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.68);}
.form-success{
  display:none;align-items:center;gap:12px;margin-top:28px;padding:18px 22px;
  border-radius:var(--radius);background:rgba(200,241,78,.16);border:1px solid rgba(200,241,78,.5);
  color:#fff;font-size:15px;
}
.form-success .ok{
  width:26px;height:26px;border-radius:50%;background:var(--lime);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 auto;
}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand);color:rgba(255,255,255,.76);padding:72px 0 0;margin-top:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700;}
.footer-brand .brand-mark svg{width:34px;height:34px;}
.footer-about{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);max-width:420px;}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55);margin-top:12px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.2px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.74);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72);}
.footer-contact strong{color:#fff;font-weight:700;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-header{display:none;}
  .section{padding:64px 0;}
  .split + .split{margin-top:52px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-item::after{display:none;}
  .page-hero .hero-inner{padding:56px 0 22px;}
  .hero-tags{padding:28px 0 44px;}
  .cta-section{padding:64px 0;}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .header-inner{min-height:66px;gap:12px;}
  .brand-text{font-size:15px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .flow{grid-template-columns:1fr;}
  .stat{padding:18px 16px;}
  .site-footer{padding:56px 0 0;}
  .footer-bottom{flex-direction:column;}
  .form-actions{flex:1 1 100%;}
  .form-actions .btn{width:100%;justify-content:center;}
}