/* roulang page: index */
:root{
  --c-primary:#14563C;
  --c-primary-dark:#0E4130;
  --c-primary-light:#1E7A50;
  --c-primary-soft:rgba(20,86,60,.06);
  --c-primary-soft2:rgba(20,86,60,.08);
  --c-accent:#F26B21;
  --c-accent-dark:#D4560F;
  --c-accent-soft:rgba(242,107,33,.1);
  --c-gold:#E9B23C;
  --bg:#F6F4EF;
  --bg-alt:#F1EFE9;
  --card:#FFFFFF;
  --dark:#0F1A16;
  --dark-2:#16241E;
  --text-1:#23262B;
  --text-2:#5A6260;
  --text-3:#8B918D;
  --line:#E4E0D8;
  --border:#DCD7CD;
  --ok:#1E7A50;
  --warn:#D9822B;
  --err:#C0392B;
  --empty:#9AA39F;
  --on-dark:#E7E4DC;
  --r-card:16px;
  --r-img:20px;
  --r-ctrl:10px;
  --r-pill:999px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(15,26,22,.06);
  --shadow-2:0 8px 24px rgba(15,26,22,.08);
  --shadow-3:0 16px 36px rgba(15,26,22,.12);
  --container:1200px;
  --ease:150ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text-1)}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:21px;font-weight:600;line-height:1.5}
h4{font-size:17px;font-weight:600;line-height:1.6}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary-light);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head-copy{max-width:640px}
.section-eyebrow{display:inline-block;font-size:13px;letter-spacing:.04em;color:var(--c-accent);font-weight:600;margin-bottom:10px}
.section-title{margin-bottom:12px}
.section-desc{color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:38em}
.muted{color:var(--text-3)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-md{height:40px;padding:0 18px;font-size:15px}
.btn-sm{height:32px;padding:0 12px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-primary)}
.text-link::after{content:"→";transition:transform var(--ease)}
.text-link:hover{color:var(--c-accent)}
.text-link:hover::after{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--c-primary-soft2);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-dark)}
.badge-gold{background:rgba(233,178,60,.16);color:#8a6314;border:1px solid rgba(233,178,60,.45)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:120;background:#fff}
.top-strip{height:4px;background:var(--c-primary)}
.notice-bar{background:var(--dark);color:var(--on-dark);max-height:44px;overflow:hidden;transition:max-height 220ms ease-out,opacity 220ms ease-out}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:36px;padding-top:4px;padding-bottom:4px}
.notice-text{font-size:14px;line-height:1.6;color:var(--on-dark)}
.notice-text strong{color:var(--c-gold);font-weight:600}
.notice-link{font-size:14px;color:#fff;opacity:.86}
.notice-link:hover{color:var(--c-gold);opacity:1}
.main-nav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--ease)}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  transition:width var(--ease),height var(--ease);
}
.logo-mark svg{width:22px;height:22px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.04em}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;font-size:16px;font-weight:600;
  color:var(--text-1);transition:color var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform 180ms ease-out;
}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--border);
  background:#fff;border-radius:var(--r-ctrl);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);transition:transform var(--ease)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.scrolled .notice-bar{max-height:0;opacity:0}
.site-header.scrolled .main-nav{box-shadow:var(--shadow-1)}
.site-header.scrolled .nav-inner{height:60px}
.site-header.scrolled .logo-mark{width:36px;height:36px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,26,22,.5);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:200;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:210;
  transform:translateX(100%);transition:transform 240ms ease-out;display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-brand{font-size:16px;font-weight:700;color:var(--c-primary)}
.drawer-close{width:36px;height:36px;border:1px solid var(--border);border-radius:var(--r-ctrl);background:#fff;color:var(--text-2);font-size:18px;line-height:1}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0}
.drawer-nav a{display:block;padding:0 20px;line-height:52px;font-size:16px;font-weight:600;color:var(--text-1);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--c-primary);background:var(--c-primary-soft)}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:80px 0 88px}
.hero::before{
  content:"";position:absolute;right:-180px;top:-120px;width:560px;height:560px;border-radius:50%;
  border:1px solid rgba(20,86,60,.14);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-60px;top:60px;width:360px;height:360px;border-radius:50%;
  border:1px dashed rgba(242,107,33,.16);pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-primary-soft2);color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:22px}
.hero h1{margin-bottom:18px}
.hero h1 .hl{color:var(--c-primary)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:34em;margin-bottom:16px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:30px}
.hero-points li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;border-radius:50%;
  background:var(--c-primary-soft2);border:2px solid var(--c-primary-light);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative}
.hero-media .frame{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:4/3}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-media .frame::after{content:"";position:absolute;inset:0;background:var(--c-primary);opacity:.08}
.hero-card{
  position:absolute;left:-24px;bottom:-26px;background:#fff;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--shadow-2);padding:18px 22px;display:flex;gap:26px;
}
.hero-card .point{display:flex;flex-direction:column;gap:2px}
.hero-card .num{font-size:26px;font-weight:700;color:var(--c-accent);line-height:1.2}
.hero-card .lbl{font-size:13px;color:var(--text-3);letter-spacing:.04em}

/* ============ 信任快讯 ============ */
.trust-bar{background:var(--dark);color:var(--on-dark)}
.trust-inner{display:flex;align-items:center;gap:0;padding:18px 0;overflow-x:auto;scrollbar-width:none}
.trust-inner::-webkit-scrollbar{display:none}
.trust-inner li{
  flex:0 0 auto;font-size:14px;color:var(--on-dark);padding:0 26px;position:relative;white-space:nowrap;
}
.trust-inner li::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:rgba(231,228,220,.25)}
.trust-inner li:last-child::after{display:none}
.trust-inner li:first-child{padding-left:0}
.trust-inner li strong{color:var(--c-gold);font-weight:600}

/* ============ 服务能力 ============ */
.service-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.service-list{display:flex;flex-direction:column}
.service-item{
  position:relative;display:grid;grid-template-columns:74px 1fr;gap:20px;
  padding:26px 20px 26px 24px;border-top:1px solid var(--line);transition:background var(--ease);
}
.service-item:last-child{border-bottom:1px solid var(--line)}
.service-item::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform 180ms ease-out;
}
.service-item:hover{background:var(--c-primary-soft)}
.service-item:hover::before{transform:scaleY(1)}
.service-num{font-size:30px;font-weight:700;color:var(--c-accent);line-height:1.1;letter-spacing:.02em}
.service-item h3{margin-bottom:6px}
.service-item p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0}
.service-aside{
  background:var(--dark);color:var(--on-dark);border-radius:var(--r-card);padding:32px;
  box-shadow:var(--shadow-2);
}
.service-aside h3{color:#fff;margin-bottom:12px}
.service-aside p{color:var(--on-dark);font-size:15px;line-height:1.85;opacity:.88}
.service-aside .aside-img{border-radius:var(--r-card);overflow:hidden;margin:22px 0;aspect-ratio:16/10}
.service-aside .aside-img img{width:100%;height:100%;object-fit:cover}
.aside-links{display:flex;flex-direction:column;gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid rgba(231,228,220,.16)}
.aside-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#fff;font-size:15px;font-weight:600;padding:10px 0}
.aside-links a span:last-child{color:var(--c-gold);transition:transform var(--ease)}
.aside-links a:hover{color:var(--c-gold)}
.aside-links a:hover span:last-child{transform:translateX(4px)}

/* ============ 数据带 ============ */
.stats{background:var(--dark);color:#fff;padding:72px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:8px 32px;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(231,228,220,.18)}
.stat .num{font-size:38px;font-weight:700;color:var(--c-accent);line-height:1.2;letter-spacing:.02em}
.stat .lbl{font-size:14px;color:var(--on-dark);opacity:.82;margin-top:6px;letter-spacing:.04em}

/* ============ 场景 ============ */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:72px}
.case-row:last-child{margin-bottom:0}
.case-row.reverse .case-media{order:2}
.case-row.reverse .case-copy{order:1}
.case-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:16/10}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.case-row:hover .case-media img{transform:scale(1.02)}
.case-copy h3{margin:14px 0 12px}
.case-copy p{color:var(--text-2);font-size:15.5px;line-height:1.85}
.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}

/* ============ 方案 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.plan:hover{box-shadow:var(--shadow-3);transform:translateY(-2px);border-color:rgba(20,86,60,.2)}
.plan-featured{border:2px solid var(--c-primary);box-shadow:var(--shadow-2)}
.plan-flag{
  position:absolute;top:-13px;right:20px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;letter-spacing:.04em;
}
.plan h3{margin-bottom:8px}
.plan .plan-desc{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:20px;min-height:52px}
.plan ul{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.plan ul li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.7}
.plan ul li::before{
  content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;
  border-left:2px solid var(--c-primary-light);border-bottom:2px solid var(--c-primary-light);
  transform:rotate(-45deg);border-radius:1px;
}
.plan .plan-foot{margin-top:auto}

/* ============ 最新信息 CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.news-card:hover{box-shadow:var(--shadow-3);transform:translateY(-2px);border-color:rgba(20,86,60,.2)}
.news-feature{grid-column:span 2;grid-row:span 2}
.news-feature .news-thumb{aspect-ratio:16/9;overflow:hidden;display:block;background:var(--c-primary-soft2)}
.news-feature .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.news-feature:hover .news-thumb img{transform:scale(1.03)}
.news-feature .news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-feature h3{font-size:22px;line-height:1.45}
.news-feature h3 a{color:var(--text-1)}
.news-feature h3 a:hover{color:var(--c-primary)}
.news-feature .news-summary{font-size:15px;color:var(--text-2);line-height:1.85;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-3);margin-top:auto}
.news-mini{
  grid-column:span 1;flex-direction:row;gap:14px;padding:14px;align-items:flex-start;
}
.news-mini .news-thumb{
  flex:0 0 92px;width:92px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;
  background:var(--c-primary-soft2);display:block;
}
.news-mini .news-thumb img{width:100%;height:100%;object-fit:cover}
.news-mini .news-body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1}
.news-mini h4{font-size:15.5px;line-height:1.55;font-weight:600;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini h4 a{color:var(--text-1)}
.news-mini h4 a:hover{color:var(--c-primary)}
.news-mini .badge{align-self:flex-start;height:22px;font-size:11.5px}
.news-mini time{font-size:13px;color:var(--text-3)}
.thumb-fallback{display:flex;align-items:center;justify-content:center;background:var(--c-primary-soft2);color:var(--c-primary)}
.cms-empty{
  border:1px dashed var(--border);border-radius:var(--r-card);padding:40px;text-align:center;
  background:#fff;
}
.cms-empty p{font-size:15px;color:var(--text-2);margin-bottom:16px}
.skeleton-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.skeleton{background:#EDEAE4;border-radius:var(--r-card);height:180px;animation:pulse 1.4s ease-in-out infinite}
.skeleton.tall{grid-column:span 2;grid-row:span 2;height:420px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.62}}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:25% 1fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:120px}
.faq-side h2{margin-bottom:12px}
.faq-side p{font-size:15px;color:var(--text-2);line-height:1.85}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-color:rgba(20,86,60,.28);box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--text-1);position:relative;
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--c-accent);
  transform:scaleY(0);transform-origin:top;transition:transform 180ms ease-out;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item[open] summary{color:var(--c-primary);background:var(--c-primary-soft)}
.faq-item summary:hover{color:var(--c-primary)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-accent);border-radius:2px;transform:translate(-50%,-50%);transition:transform 200ms ease-out}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-body{padding:0 24px 22px;font-size:15.5px;color:var(--text-2);line-height:1.9}

/* ============ CTA / 表单 ============ */
.cta-block{background:var(--c-primary);color:#fff}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.88);font-size:16px;line-height:1.9}
.cta-copy .cta-list{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.cta-copy .cta-list li{position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-copy .cta-list li::before{content:"";position:absolute;left:0;top:.6em;width:10px;height:10px;border-radius:50%;background:var(--c-gold);opacity:.85}
.form-card{background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-3)}
.form-card h3{margin-bottom:6px}
.form-card .form-note{font-size:14px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--border);
  border-radius:var(--r-ctrl);background:#fff;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(20,86,60,.18);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--err);box-shadow:0 0 0 2px rgba(192,57,43,.14)}
.field .msg{font-size:13px;color:var(--err);margin-top:6px;display:none}
.field.error .msg{display:block}
.form-success{display:none;font-size:13px;color:var(--ok);margin-top:10px}
.form-success.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.foot-brand .logo-text strong{color:#fff}
.foot-brand .logo-text em{color:rgba(231,228,220,.6)}
.foot-brand p{font-size:14.5px;color:rgba(231,228,220,.78);line-height:1.85;margin:18px 0 20px;max-width:22em}
.foot-social{display:flex;gap:12px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(231,228,220,.22);
  display:flex;align-items:center;justify-content:center;color:var(--on-dark);
}
.foot-social a:hover{border-color:var(--c-gold);color:var(--c-gold)}
.foot-social svg{width:18px;height:18px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
.foot-col ul{display:flex;flex-direction:column;gap:12px}
.foot-col a,.foot-col li{font-size:14px;color:rgba(231,228,220,.78);line-height:1.7}
.foot-col a:hover{color:#fff}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(231,228,220,.16);padding:22px 0;font-size:13px;color:var(--empty);
}
.foot-bottom a{color:var(--empty);font-size:13px}
.foot-bottom a:hover{color:#fff}
.foot-bottom .links{display:flex;gap:20px;flex-wrap:wrap}

/* ============ 移动端底部 CTA ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;height:56px;z-index:130;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  align-items:center;padding:0 16px;backdrop-filter:blur(6px);
}
.mobile-cta .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero{padding:56px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-media .frame{aspect-ratio:16/10}
  .hero-card{left:16px;bottom:-20px}
  .service-grid{grid-template-columns:1fr;gap:36px}
  .plans{grid-template-columns:1fr;gap:20px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-feature{grid-column:span 2;grid-row:auto}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{padding-bottom:56px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .nav-menu,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px}
  .logo-text em{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .hero{padding:40px 0 56px}
  .hero-actions .btn{width:100%}
  .hero-card{position:static;margin-top:16px;left:auto;bottom:auto;width:100%;justify-content:space-between}
  .stats{padding:52px 0}
  .stats-grid{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat{padding:0 20px}
  .stat:nth-child(odd)::before{display:none}
  .stat:nth-child(3)::before,.stat:nth-child(4)::before{top:-14px;bottom:auto;left:20px;right:20px;width:auto;height:1px}
  .case-row{grid-template-columns:1fr;gap:24px;margin-bottom:48px}
  .case-row.reverse .case-media{order:0}
  .case-row.reverse .case-copy{order:0}
  .news-grid{grid-template-columns:1fr}
  .news-feature{grid-column:span 1}
  .news-mini{flex-direction:row}
  .form-card{padding:24px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:56px}
  .mobile-cta{display:flex}
}
@media (max-width:479px){
  h1{font-size:27px}
  h2{font-size:22px}
  .news-card{padding:0}
  .news-mini{padding:12px}
  .plan{padding:24px 20px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;transform:none!important}
}

/* roulang page: article */
:root{
  --c-primary:#14563C;
  --c-primary-dark:#0E4130;
  --c-primary-light:#1E7A50;
  --c-accent:#F26B21;
  --c-accent-dark:#D4560F;
  --c-gold:#E9B23C;
  --bg:#F6F4EF;
  --bg-sunken:#F1EFE9;
  --card:#FFFFFF;
  --dark:#0F1A16;
  --text-1:#23262B;
  --text-2:#5A6260;
  --text-3:#8B918D;
  --line:#E4E0D8;
  --border:#DCD7CD;
  --success:#1E7A50;
  --warn:#D9822B;
  --error:#C0392B;
  --muted:#9AA39F;
  --on-dark:#E7E4DC;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,26,22,.06);
  --shadow-2:0 8px 24px rgba(15,26,22,.08);
  --shadow-3:0 16px 36px rgba(15,26,22,.12);
  --container:1200px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:72px;
  --space-7:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}

/* ---------- 顶部条与导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--card);transition:box-shadow .2s ease-out}
.top-strip{height:4px;background:var(--c-primary)}
.notice-bar{background:var(--dark);color:var(--on-dark);font-size:14px;transition:max-height .22s ease-out}
.notice-bar{max-height:44px;overflow:hidden}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;white-space:nowrap;overflow:hidden}
.notice-text{overflow:hidden;text-overflow:ellipsis}
.notice-text strong{color:#fff;font-weight:600}
.notice-link{color:var(--c-gold);font-weight:600;flex:0 0 auto}
.notice-link:hover{color:#fff}

.main-nav{background:var(--card);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:72px;transition:min-height .2s ease-out}
.logo{display:flex;align-items:center;gap:12px;color:var(--text-1);flex:0 0 auto}
.logo:hover{color:var(--text-1)}
.logo-mark{width:38px;height:38px;border-radius:50%;background:var(--c-primary);display:grid;place-items:center;flex:0 0 auto;transition:width .2s ease-out,height .2s ease-out}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em}

.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:16px;font-weight:600;color:var(--text-1)}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:center;transition:transform .2s ease-out}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--c-primary)}
.nav-menu-cta{display:none}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-actions .btn{border-radius:var(--radius-pill)}

.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);background:var(--card);border-radius:var(--radius-btn);cursor:pointer;place-items:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;content:""}
.nav-toggle span{position:relative}
.nav-toggle span::before{position:absolute;top:-6px;left:0}
.nav-toggle span::after{position:absolute;top:6px;left:0}
.nav-overlay{position:fixed;inset:0;background:rgba(15,26,22,.42);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;z-index:70}
.nav-overlay.show{opacity:1;visibility:visible}

.site-header.scrolled{box-shadow:var(--shadow-1)}
.site-header.scrolled .notice-bar{max-height:0}
.site-header.scrolled .nav-inner{min-height:60px}
.site-header.scrolled .logo-mark{width:34px;height:34px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-btn);cursor:pointer;font-weight:600;text-align:center;transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out}
.btn-md{height:40px;padding:0 20px;font-size:15px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-primary:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:var(--card);color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:rgba(20,86,60,.08);color:var(--c-primary-dark);border-color:var(--c-primary-dark)}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0}
.btn-ghost:hover{color:var(--c-accent)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:6px;font-size:12px;letter-spacing:.04em;font-weight:600;background:rgba(20,86,60,.1);color:var(--c-primary)}
.badge-accent{background:rgba(242,107,33,.12);color:var(--c-accent-dark)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb em{font-style:normal;color:var(--text-3);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 文章头 ---------- */
.article-hero{position:relative;background:var(--bg);border-bottom:1px solid var(--line);padding:44px 0 40px;overflow:hidden}
.article-hero::before{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border:1px solid rgba(20,86,60,.16);border-radius:50%;pointer-events:none}
.article-hero::after{content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;border:1px solid rgba(242,107,33,.18);border-radius:50%;pointer-events:none}
.article-hero .container{position:relative;z-index:1}
.article-hero h1{font-size:clamp(26px,3.4vw,40px);line-height:1.32;font-weight:700;max-width:900px;letter-spacing:.005em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--text-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border)}

/* ---------- 文章主体布局 ---------- */
.article-section{padding:56px 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start}

.article-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:40px}
.article-lead{font-size:17px;color:var(--text-2);padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:28px}

.article-body{font-size:16px;line-height:1.9;color:var(--text-1);word-break:break-word}
.article-body>*+*{margin-top:1.2em}
.article-body h2{position:relative;padding-left:16px;font-size:clamp(21px,2.4vw,26px);line-height:1.4;font-weight:700;margin-top:40px}
.article-body h2::before{content:"";position:absolute;left:0;top:.35em;width:4px;height:1em;border-radius:2px;background:var(--c-accent)}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin-top:32px}
.article-body h4{font-size:17px;font-weight:600;margin-top:24px}
.article-body p{font-size:16px;line-height:1.9;color:var(--text-1)}
.article-body ul,.article-body ol{margin:18px 0;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{line-height:1.8;margin:6px 0;color:var(--text-1)}
.article-body li::marker{color:var(--c-primary-light)}
.article-body blockquote{margin:24px 0;padding:18px 22px;border-left:3px solid var(--c-primary);background:var(--bg);border-radius:0 var(--radius-btn) var(--radius-btn) 0;color:var(--text-2)}
.article-body blockquote p{color:var(--text-2)}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}
.article-body table{display:block;overflow-x:auto;font-size:15px;margin:24px 0;border:1px solid var(--line);border-radius:var(--radius-btn)}
.article-body th{background:rgba(20,86,60,.08);color:var(--c-primary-dark);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:var(--bg-sunken);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre{background:var(--bg-sunken);border-radius:8px;padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body strong{color:var(--c-primary-dark)}

.empty-state{border:1px dashed var(--border);border-radius:var(--radius-card);padding:48px 24px;text-align:center;color:var(--text-2)}
.empty-state svg{width:44px;height:44px;color:var(--muted);margin:0 auto 14px}
.empty-state h2{font-size:20px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.empty-state p{font-size:15px;margin-bottom:20px}
.article-empty{border:1px dashed var(--border);border-radius:var(--radius-card);padding:56px 24px;text-align:center;background:var(--card)}
.article-empty h2{font-size:20px;font-weight:600;margin-bottom:10px}
.article-empty p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.side{display:grid;gap:24px;position:sticky;top:96px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--text-1);padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.toc ol{counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:2px}
.toc a{display:flex;gap:10px;padding:7px 8px;border-radius:8px;font-size:14px;line-height:1.6;color:var(--text-2);transition:background-color .18s ease-out,color .18s ease-out}
.toc a::before{content:counter(toc,decimal-leading-zero);color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;padding-top:2px}
.toc a:hover{background:var(--bg-sunken);color:var(--c-primary)}
.toc .lvl-3 a{padding-left:26px}
.toc .lvl-3 a::before{content:"";display:none}

.side-list li{border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:block;padding:12px 0;font-size:14px;line-height:1.6;color:var(--text-1)}
.side-list a:hover{color:var(--c-primary)}
.side-list span{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.side-back{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.side-back:hover{gap:12px}

/* ---------- 上下文导航 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:56px;padding-top:40px;border-top:1px solid var(--line)}
.post-nav a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out}
.post-nav a:hover{box-shadow:var(--shadow-3);transform:translateY(-2px);border-color:rgba(20,86,60,.3);color:var(--text-1)}
.post-nav span{display:block;font-size:13px;color:var(--text-3);letter-spacing:.04em;margin-bottom:8px}
.post-nav strong{display:block;font-size:17px;font-weight:600;line-height:1.5;color:var(--text-1)}
.post-nav .align-right{text-align:right}

/* ---------- 延伸阅读 ---------- */
.read-more{margin-top:64px}
.read-more .sec-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700}
.read-more .sec-head p{color:var(--text-2);font-size:15px;margin-top:8px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.rec-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;display:flex;flex-direction:column}
.rec-card:hover{box-shadow:var(--shadow-3);transform:translateY(-2px);border-color:rgba(20,86,60,.3)}
.rec-card .thumb{aspect-ratio:16/10;background:rgba(20,86,60,.08);overflow:hidden}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover}
.rec-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--text-1)}
.rec-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.rec-card time{font-size:13px;color:var(--text-3);margin-top:auto}

/* ---------- CTA ---------- */
.cta-band{margin-top:72px;background:var(--dark);border-radius:var(--radius-lg);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-100px;bottom:-160px;width:340px;height:340px;border:1px solid rgba(233,178,60,.25);border-radius:50%}
.cta-band .cta-text{position:relative;z-index:1;max-width:620px}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;color:var(--on-dark);line-height:1.85}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex:0 0 auto}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);margin-top:88px;padding:64px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .logo{color:#fff;margin-bottom:18px}
.foot-brand .logo:hover{color:#fff}
.foot-brand .logo-text strong{color:#fff}
.foot-brand .logo-text em{color:var(--muted)}
.foot-brand p{font-size:14px;color:var(--on-dark);line-height:1.8;max-width:300px}
.foot-social{display:flex;gap:12px;margin-top:20px}
.foot-social a{width:38px;height:38px;border:1px solid rgba(231,228,220,.24);border-radius:50%;display:grid;place-items:center;color:var(--on-dark);transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.foot-social a:hover{background:var(--c-primary-light);color:#fff;border-color:var(--c-primary-light)}
.foot-social svg{width:18px;height:18px}
.foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-col li{font-size:14px;color:var(--muted);line-height:2}
.foot-col a{color:var(--on-dark)}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(231,228,220,.16);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.foot-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .article-layout{gap:32px}
}
@media (max-width:1023px){
  .nav-menu{gap:20px}
  .nav-menu a{font-size:15px}
  .article-layout{grid-template-columns:1fr}
  .side{position:static;grid-template-columns:1fr 1fr}
  .rec-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
}
@media (max-width:860px){
  .nav-toggle{display:grid;margin-left:auto}
  .nav-actions{display:none}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    background:var(--card);flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 24px;margin-left:0;
    transform:translateX(100%);transition:transform .22s ease-out;
    box-shadow:var(--shadow-3);z-index:75;overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu li{border-bottom:1px solid var(--line)}
  .nav-menu a{display:block;line-height:52px;font-size:16px;padding:0}
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--c-primary)}
  .nav-menu-cta{display:block;border-bottom:0;margin-top:24px}
  .nav-menu-cta .btn{width:100%;height:48px;line-height:48px;color:#fff}
  .notice-inner{min-height:34px;overflow-x:auto;white-space:nowrap}
  .notice-link{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-inner{min-height:64px;gap:16px}
  .logo-text em{display:none}
  .article-hero{padding:28px 0 30px}
  .article-section{padding:36px 0 56px}
  .article-panel{padding:24px 20px}
  .side{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:var(--radius-card)}
  .cta-band .cta-actions{width:100%;flex-direction:column}
  .cta-band .btn{width:100%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-hero h1{font-size:24px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:18px}
  .article-panel{padding:20px 16px}
  .side-card{padding:20px}
  .btn-lg{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .rec-card:hover,.post-nav a:hover,.btn-primary:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --c-primary:#14563C;
  --c-primary-dark:#0E4130;
  --c-primary-light:#1E7A50;
  --c-accent:#F26B21;
  --c-accent-dark:#D4560F;
  --c-gold:#E9B23C;
  --bg:#F6F4EF;
  --bg-soft:#F1EFE9;
  --card:#FFFFFF;
  --dark:#0F1A16;
  --text-1:#23262B;
  --text-2:#5A6260;
  --text-3:#8B918D;
  --line:#E4E0D8;
  --border:#DCD7CD;
  --success:#1E7A50;
  --warn:#D9822B;
  --error:#C0392B;
  --empty:#9AA39F;
  --on-dark:#E7E4DC;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --r-badge:6px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,26,22,.06);
  --shadow-2:0 8px 24px rgba(15,26,22,.08);
  --shadow-3:0 16px 36px rgba(15,26,22,.12);
  --container:1200px;
  --ease:150ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.35}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
h3{font-size:21px;font-weight:600;line-height:1.5}
h4{font-size:17px;font-weight:600;line-height:1.6}
p{margin:0 0 1.2em}
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:15px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶栏 ---------- */
.top-strip{height:4px;background:var(--c-primary)}
.notice-bar{background:var(--dark);color:var(--on-dark)}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;font-size:14px;line-height:1.6}
.notice-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice-text strong{color:var(--c-gold);font-weight:600}
.notice-link{color:var(--on-dark);font-size:14px;white-space:nowrap}
.notice-link:hover{color:var(--c-accent)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.main-nav{background:var(--card);border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.scrolled .main-nav{box-shadow:var(--shadow-1)}
.site-header.scrolled .notice-bar{display:none}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:72px;transition:min-height var(--ease)}
.site-header.scrolled .nav-inner{min-height:60px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text-1)}
.logo:hover{color:var(--text-1)}
.logo-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;transition:transform var(--ease)}
.site-header.scrolled .logo-mark{transform:scale(.9)}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu a{position:relative;font-size:16px;font-weight:600;color:var(--text-1);padding:6px 0}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--r-btn);background:var(--card);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--text-1);transform:translateX(-50%);transition:var(--ease)}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px}
.nav-toggle span::after{content:"";top:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--r-pill);border:1px solid transparent;transition:all var(--ease);white-space:nowrap}
.btn-md{height:40px;padding:0 20px;font-size:15px}
.btn-lg{height:48px;padding:0 24px;font-size:16px}
.btn-sm{height:32px;padding:0 14px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px)}
.btn-outline{background:var(--card);border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(30,122,80,.08);color:var(--c-primary-dark)}
.btn-ghost{background:transparent;border-color:rgba(231,228,220,.4);color:var(--on-dark)}
.btn-ghost:hover{background:rgba(231,228,220,.12);color:#fff}
.btn-text{background:none;border:none;color:var(--c-primary);padding:0;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-text svg{width:16px;height:16px;transition:transform var(--ease)}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover svg{transform:translateX(4px)}
.btn-block{width:100%}

/* ---------- 分类首屏带 ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--line)}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center right;opacity:.10}
.cat-hero::after{content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border:1px solid rgba(20,86,60,.18);border-radius:50%}
.cat-hero-inner{position:relative;z-index:2;padding:44px 0 52px;min-height:260px;max-width:860px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb span{color:var(--text-3)}
.cat-hero h1{margin-bottom:16px;max-width:20ch}
.cat-hero p{font-size:17px;color:var(--text-2);max-width:42ch;margin-bottom:24px}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;letter-spacing:.04em;background:rgba(20,86,60,.08);color:var(--c-primary)}

/* ---------- 分类页布局 ---------- */
.cat-section{padding:64px 0 88px}
.cat-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}
.toc-card{position:sticky;top:100px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:24px}
.toc-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;text-transform:uppercase}
.toc-list li+li{margin-top:2px}
.toc-list a{display:block;font-size:14px;line-height:1.6;color:var(--text-2);padding:8px 10px;border-radius:8px;border-left:3px solid transparent}
.toc-list a:hover{background:var(--bg-soft);color:var(--c-primary);border-left-color:var(--c-primary)}
.toc-foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.7}

.cat-main{display:flex;flex-direction:column;gap:56px}
.content-block>h2{margin-bottom:16px;padding-left:14px;position:relative}
.content-block>h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--c-accent)}
.content-block>p{color:var(--text-2);max-width:38em}

.entry-block{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;margin-top:28px}
.entry-block.reverse .entry-media{order:2}
.entry-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;background:rgba(20,86,60,.08);box-shadow:var(--shadow-2)}
.entry-media img{width:100%;height:100%;object-fit:cover}
.entry-media::after{content:"";position:absolute;inset:0;background:rgba(20,86,60,.08)}
.entry-body h3{margin-bottom:12px}
.entry-body p{color:var(--text-2);font-size:15.5px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;letter-spacing:.04em;background:rgba(242,107,33,.12);color:var(--c-accent-dark);margin-bottom:12px}

.check-list{margin-top:8px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text-2);line-height:1.8}
.check-list li svg{flex:0 0 20px;width:20px;height:20px;margin-top:4px;color:var(--c-primary-light)}
.check-list li strong{color:var(--text-1);font-weight:600}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--dark);border-radius:var(--r-card);padding:28px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-strip .stat-item{padding:0 20px;border-left:1px solid rgba(231,228,220,.14)}
.stat-strip .stat-item:first-child{border-left:none;padding-left:0}
.stat-num{font-size:32px;font-weight:700;color:var(--c-gold);letter-spacing:.02em;line-height:1.2}
.stat-label{font-size:13px;color:var(--on-dark);opacity:.85;margin-top:6px;letter-spacing:.04em}

/* ---------- 提示带 ---------- */
.notice-block{background:rgba(20,86,60,.06);border-left:3px solid var(--c-primary);border-radius:0 var(--r-card) var(--r-card) 0;padding:24px 26px}
.notice-block h3{margin-bottom:10px;font-size:19px}
.notice-block p{color:var(--text-2);font-size:15.5px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;padding:20px 4px 20px 14px;border-left:3px solid transparent;font-size:17px;font-weight:600;color:var(--text-1);transition:all var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--text-3);transition:transform var(--ease)}
.faq-item summary:hover{color:var(--c-primary);background:var(--bg-soft)}
.faq-item[open] summary{color:var(--c-primary);border-left-color:var(--c-accent)}
.faq-item[open] summary::after{content:"−";color:var(--c-accent)}
.faq-answer{padding:0 4px 22px 30px;color:var(--text-2);font-size:15.5px;line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-primary);border-radius:var(--r-lg);padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band::after{content:"";position:absolute;right:-100px;bottom:-160px;width:380px;height:380px;border:1px solid rgba(255,255,255,.16);border-radius:50%}
.cta-band h2{color:#fff;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.86);max-width:46ch;font-size:15.5px;margin:0;position:relative;z-index:2}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);margin-top:0;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:56px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand .logo-text strong{color:#fff}
.foot-brand .logo-text em{color:rgba(231,228,220,.6)}
.foot-brand p{font-size:14px;color:rgba(231,228,220,.78);max-width:32ch;margin-bottom:18px}
.foot-social{display:flex;gap:12px}
.foot-social a{width:36px;height:36px;border-radius:10px;border:1px solid rgba(231,228,220,.22);display:flex;align-items:center;justify-content:center;color:var(--on-dark)}
.foot-social a svg{width:18px;height:18px}
.foot-social a:hover{border-color:var(--c-accent);color:var(--c-accent)}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col ul{display:grid;gap:10px}
.foot-col li,.foot-col a{font-size:14px;color:rgba(231,228,220,.78)}
.foot-col a:hover{color:var(--c-accent)}
.foot-bottom{border-top:1px solid rgba(231,228,220,.14);padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-bottom span,.foot-bottom a{font-size:13px;color:var(--empty)}
.foot-bottom .links{display:flex;gap:20px}
.foot-bottom a:hover{color:#fff}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--card);z-index:90;transform:translateX(102%);transition:transform 220ms ease-out;display:flex;flex-direction:column;box-shadow:var(--shadow-3)}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--card);font-size:20px;line-height:1;color:var(--text-2)}
.drawer-menu{padding:8px 0;overflow-y:auto;flex:1}
.drawer-menu a{display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px;font-weight:600;color:var(--text-1);border-bottom:1px solid var(--line)}
.drawer-menu a.active{color:var(--c-primary);background:rgba(20,86,60,.05)}
.drawer-cta{padding:16px 20px;border-top:1px solid var(--line)}
.drawer-mask{position:fixed;inset:0;background:rgba(15,26,22,.45);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
  .cat-layout{grid-template-columns:220px minmax(0,1fr);gap:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-menu{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .cat-layout{grid-template-columns:1fr}
  .toc-card{position:static}
  .toc-list{display:flex;flex-wrap:wrap;gap:8px}
  .toc-list li+li{margin-top:0}
  .toc-list a{border-left:none;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;font-size:13px}
  .entry-block{grid-template-columns:1fr;gap:24px}
  .entry-block.reverse .entry-media{order:0}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat-strip .stat-item:nth-child(3){border-left:none;padding-left:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .logo-text em{display:none}
  .notice-inner{overflow-x:auto;gap:16px}
  .notice-text{white-space:normal}
  .cat-hero-inner{padding:32px 0 40px;min-height:auto}
  .cat-section{padding:48px 0 72px}
  .cat-main{gap:44px}
  .stat-strip{grid-template-columns:repeat(2,1fr);padding:24px 20px}
  .stat-num{font-size:26px}
  .faq-item summary{font-size:16px;padding:18px 4px 18px 12px}
  .faq-answer{padding-left:12px}
  .cta-band{padding:32px 24px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .mobile-cta{display:block;position:fixed;left:0;right:0;bottom:0;height:56px;background:var(--card);border-top:1px solid var(--line);z-index:70;padding:8px 16px;box-shadow:0 -2px 10px rgba(15,26,22,.06)}
  .site-footer{padding-bottom:56px}
}
@media (max-width:520px){
  h1{font-size:28px}
  h2{font-size:23px}
  .cat-hero p{font-size:15.5px}
  .entry-media{aspect-ratio:4/3}
  .stat-strip{grid-template-columns:1fr;gap:0}
  .stat-strip .stat-item{border-left:none;padding:16px 0;border-top:1px solid rgba(231,228,220,.14)}
  .stat-strip .stat-item:first-child{border-top:none;padding-top:0}
  .stat-strip .stat-item:last-child{padding-bottom:0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .toc-card{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#14563C;
  --c-primary-dark:#0E4130;
  --c-primary-light:#1E7A50;
  --c-accent:#F26B21;
  --c-accent-dark:#D4560F;
  --c-gold:#E9B23C;
  --bg:#F6F4EF;
  --bg-soft:#F1EFE9;
  --card:#FFFFFF;
  --dark:#0F1A16;
  --text-1:#23262B;
  --text-2:#5A6260;
  --text-3:#8B918D;
  --line:#E4E0D8;
  --border:#DCD7CD;
  --success:#1E7A50;
  --warn:#D9822B;
  --error:#C0392B;
  --empty:#9AA39F;
  --radius-card:16px;
  --radius-img:20px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(15,26,22,.06);
  --shadow-2:0 8px 24px rgba(15,26,22,.08);
  --shadow-3:0 16px 36px rgba(15,26,22,.12);
  --ease:150ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{display:block}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff}
.top-strip{height:4px;background:var(--c-primary)}
.notice-bar{background:var(--dark);color:#E7E4DC}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:36px;font-size:14px}
.notice-text strong{color:var(--c-accent);font-weight:600}
.notice-link{color:#E7E4DC;border-bottom:1px solid rgba(231,228,220,.4);transition:color var(--ease),border-color var(--ease)}
.notice-link:hover{color:#fff;border-color:#fff}
.main-nav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-scrolled .main-nav{box-shadow:var(--shadow-1)}
.site-header.is-scrolled .notice-bar{display:none}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--ease)}
.site-header.is-scrolled .nav-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--c-primary);display:grid;place-items:center;transition:transform var(--ease)}
.logo-mark svg{width:22px;height:22px}
.site-header.is-scrolled .logo-mark{transform:scale(.92)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:16px;font-weight:600;color:var(--text-1);transition:color var(--ease)}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform 180ms ease-out}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{display:none;width:44px;height:40px;border:1px solid var(--border);border-radius:var(--radius-btn);align-items:center;justify-content:center;margin-left:auto}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--text-1);transition:background var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);transition:transform var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:304px;max-width:86vw;background:#fff;z-index:120;transform:translateX(102%);transition:transform 220ms ease-out;display:flex;flex-direction:column;box-shadow:var(--shadow-3)}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-top span{font-size:15px;font-weight:700}
.drawer-close{width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius-btn);display:grid;place-items:center;font-size:18px;color:var(--text-2)}
.drawer-menu{padding:8px 0;overflow-y:auto;flex:1}
.drawer-menu a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);color:var(--text-1)}
.drawer-menu a.active{color:var(--c-primary)}
.drawer-menu a::after{content:"›";color:var(--text-3);font-size:18px}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.nav-mask{position:fixed;inset:0;background:rgba(15,26,22,.45);z-index:110;opacity:0;pointer-events:none;transition:opacity 220ms ease-out}
.nav-mask.is-open{opacity:1;pointer-events:auto}
body.is-locked{overflow:hidden}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);font-weight:600;text-align:center;transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);white-space:nowrap}
.btn-lg{height:48px;padding:0 24px;font-size:16px}
.btn-md{height:40px;padding:0 18px;font-size:15px}
.btn-sm{height:32px;padding:0 14px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary)}
.btn-outline:hover{background:rgba(30,122,80,.08)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform 180ms ease-out}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- badges & pills ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:var(--radius-badge);font-size:12px;font-weight:600;letter-spacing:.04em;background:rgba(20,86,60,.1);color:var(--c-primary)}
.badge-accent{background:rgba(242,107,33,.12);color:var(--c-accent-dark)}
.badge-gold{background:rgba(233,178,60,.16);color:#8a6410}
.tab-row{display:flex;flex-wrap:wrap;gap:12px}
.tab-pill{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--radius-pill);border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:15px;font-weight:600;transition:all var(--ease)}
.tab-pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.tab-pill.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}

/* ---------- page hero (category 2) ---------- */
.cat-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.cat-hero::after{content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border:1px solid rgba(242,107,33,.35);border-radius:50%;pointer-events:none}
.cat-hero::before{content:"";position:absolute;right:-40px;top:60px;width:300px;height:300px;border:1px solid rgba(20,86,60,.16);border-radius:50%;pointer-events:none}
.cat-hero-inner{position:relative;z-index:2;padding:36px 0 56px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-1);font-weight:600}
.cat-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700;margin:22px 0 16px;max-width:20em}
.cat-hero p.lead{font-size:16.5px;color:var(--text-2);max-width:44em;line-height:1.9}
.cat-hero .tab-row{margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta div{min-width:132px}
.hero-meta strong{display:block;font-size:26px;font-weight:700;color:var(--c-accent);letter-spacing:.02em;line-height:1.3}
.hero-meta span{font-size:13.5px;color:var(--text-3)}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.section-head .badge{margin-bottom:14px}
.bg-soft{background:var(--bg-soft)}
.bg-white{background:#fff}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- wide cards (category 2 main) ---------- */
.wide-list{display:flex;flex-direction:column;gap:28px}
.wide-card{display:grid;grid-template-columns:38% 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease)}
.wide-card:hover{box-shadow:var(--shadow-3);border-color:rgba(20,86,60,.35);transform:translateY(-2px)}
.wide-media{position:relative;background:rgba(20,86,60,.08);aspect-ratio:4/3;overflow:hidden}
.wide-media img{width:100%;height:100%;object-fit:cover}
.wide-body{padding:32px 36px;display:flex;flex-direction:column;gap:14px}
.wide-body h3{font-size:21px;line-height:1.5;font-weight:600}
.wide-body p{color:var(--text-2);font-size:15.5px}
.wide-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.wide-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.wide-num{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.14em}

/* ---------- dark notice band ---------- */
.dark-band{background:var(--dark);color:#E7E4DC;border-radius:var(--radius-card);padding:44px 44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:44px;align-items:start}
.dark-band h3{color:#fff;font-size:22px;line-height:1.5;font-weight:600;margin-bottom:12px}
.dark-band p{color:#B9BDB6;font-size:15px}
.dark-list{display:flex;flex-direction:column;gap:0}
.dark-list li{display:grid;grid-template-columns:34px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid rgba(231,228,220,.16)}
.dark-list li:first-child{padding-top:0}
.dark-list li:last-child{border-bottom:0;padding-bottom:0}
.dark-list b{font-size:15px;color:var(--c-gold);font-weight:700;letter-spacing:.04em}
.dark-list strong{display:block;color:#fff;font-size:16px;font-weight:600;margin-bottom:4px}
.dark-list span{color:#B9BDB6;font-size:14.5px;line-height:1.8}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;position:relative;transition:box-shadow var(--ease),transform var(--ease)}
.step:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.step em{display:block;font-style:normal;font-size:28px;font-weight:700;color:var(--c-accent);letter-spacing:.06em;line-height:1.2}
.step h3{font-size:17px;font-weight:600;margin:12px 0 8px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- compare table block ---------- */
.compare{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.compare-row{display:grid;grid-template-columns:1.1fr 1.1fr 1.4fr;gap:20px;padding:20px 28px;border-bottom:1px solid var(--line);align-items:center;transition:background var(--ease)}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:var(--bg-soft)}
.compare-head{background:rgba(20,86,60,.06);font-size:14px;font-weight:700;color:var(--c-primary);letter-spacing:.04em}
.compare-row span{font-size:15px;color:var(--text-2)}
.compare-row strong{font-size:15.5px;font-weight:600;color:var(--text-1)}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px}
.check-item{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:14px 0;border-bottom:1px dashed var(--border)}
.check-item svg{width:20px;height:20px;color:var(--c-primary-light);margin-top:6px}
.check-item strong{font-size:16px;font-weight:600;display:block;margin-bottom:4px}
.check-item span{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- figure split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-2);background:rgba(20,86,60,.08)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:16px}
.split p{color:var(--text-2);margin-bottom:14px}
.split ul{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.split ul li{position:relative;padding-left:20px;font-size:15.5px;color:var(--text-2)}
.split ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-primary-light)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:26% 1fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:120px}
.faq-side h2{font-size:24px;line-height:1.4;font-weight:700;margin-bottom:12px}
.faq-side p{font-size:14.5px;color:var(--text-2)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-color:rgba(20,86,60,.35);box-shadow:var(--shadow-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;font-size:16.5px;font-weight:600;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";flex:0 0 auto;width:14px;height:14px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:rotate(45deg);transition:transform 180ms ease-out,border-color var(--ease)}
.faq-item[open] summary{color:var(--c-primary);border-left:3px solid var(--c-accent);padding-left:21px}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--c-accent)}
.faq-body{padding:0 24px 22px 24px;color:var(--text-2);font-size:15.5px}

/* ---------- CTA / form ---------- */
.cta-block{background:var(--c-primary);color:#fff;border-radius:var(--radius-img);padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;position:relative;overflow:hidden}
.cta-block::after{content:"";position:absolute;right:-90px;bottom:-160px;width:400px;height:400px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.cta-block h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:16px;position:relative;z-index:2}
.cta-block p{color:#DCE7E0;font-size:15.5px;margin-bottom:12px;position:relative;z-index:2}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:20px;position:relative;z-index:2}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#DCE7E0}
.cta-points li svg{width:18px;height:18px;color:var(--c-gold);margin-top:6px;flex:0 0 auto}
.form-card{background:#fff;border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-2);position:relative;z-index:2}
.form-card h3{font-size:19px;font-weight:600;color:var(--text-1);margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-btn);background:#fff;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease)}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(20,86,60,.18)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--error)}
.field .msg{display:none;margin-top:6px;font-size:13px;color:var(--error)}
.field.has-error .msg{display:block}
.form-card .btn{width:100%;margin-top:6px}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9CEC7;padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand .logo-text strong{color:#fff}
.foot-brand .logo-text em{color:#8B918D}
.foot-brand p{font-size:14.5px;color:#9AA39F;max-width:24em}
.foot-social{display:flex;gap:12px;margin-top:18px}
.foot-social a{width:38px;height:38px;border:1px solid rgba(231,228,220,.24);border-radius:var(--radius-btn);display:grid;place-items:center;color:#C9CEC7;transition:all var(--ease)}
.foot-social a:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.06)}
.foot-social svg{width:18px;height:18px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:14.5px;color:#9AA39F}
.foot-col a{font-size:14.5px;color:#9AA39F;transition:color var(--ease)}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:56px;padding-top:20px;border-top:1px solid rgba(231,228,220,.16);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:#9AA39F}
.foot-bottom .links{display:flex;gap:20px}
.foot-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
  .split{gap:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-menu{gap:20px;margin-left:4px}
  .nav-menu a{font-size:15px}
  .section{padding:72px 0}
  .wide-card{grid-template-columns:42% 1fr}
  .wide-body{padding:26px 26px}
  .dark-band{grid-template-columns:1fr;gap:28px;padding:36px 32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .compare-row{grid-template-columns:1fr 1fr 1.2fr;padding:18px 22px}
  .cta-block{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-menu,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .notice-inner{height:auto;padding:8px 0;gap:12px;overflow-x:auto;white-space:nowrap}
  .notice-link{display:none}
  .logo-text em{display:none}
  .cat-hero-inner{padding:26px 0 40px}
  .cat-hero h1{font-size:26px;margin:16px 0 12px}
  .cat-hero p.lead{font-size:15.5px}
  .hero-meta{gap:20px}
  .hero-meta strong{font-size:22px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .wide-card{grid-template-columns:1fr}
  .wide-media{aspect-ratio:16/9}
  .wide-body{padding:22px 20px}
  .wide-body h3{font-size:18.5px}
  .steps{grid-template-columns:1fr;gap:16px}
  .compare-row{grid-template-columns:1fr;gap:6px;padding:16px 20px}
  .compare-head{display:none}
  .check-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:24px}
  .cta-block{padding:32px 20px}
  .form-card{padding:22px 20px}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-item[open] summary{padding-left:15px}
  .faq-body{padding:0 18px 18px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{margin-top:36px;flex-direction:column;align-items:flex-start}
  .section-dark-wrap .dark-band{border-radius:0}
}
@media (max-width:479px){
  body{font-size:15.5px}
  .cat-hero h1{font-size:23px}
  .btn-lg{height:46px;padding:0 18px;width:100%}
  .wide-body{padding:18px 16px}
  .cta-block{padding:26px 16px}
  .form-card{padding:18px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .btn-primary:hover,.wide-card:hover,.step:hover{transform:none}
}