/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand-deep:#0E3B2E;
  --brand:#14694F;
  --brand-soft:#E7F1EC;
  --accent:#FF6A2B;
  --accent-soft:#FFEDE4;
  --accent-2:#D8F04A;
  --bg:#F5F7F3;
  --surface:#FFFFFF;
  --ink:#0C1714;
  --ink-2:#4C5C56;
  --line:#E2E8E3;
  --success:#1B7F5A;
  --warn:#C9761B;
  --error:#C0392B;
  --info:#3A6B7A;
  --r-sm:10px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,23,20,.06);
  --sh-2:0 8px 24px -12px rgba(12,23,20,.18);
  --sh-3:0 14px 32px -14px rgba(12,23,20,.24);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Barlow Condensed","Courier New",monospace;
  --sec-y:104px;
}
/* ============ 基础 reset ============ */
*,*::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:var(--font);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand-deep)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--ink)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--brand);color:#fff}
/* ============ 容器与栅格 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.4) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(12,23,20,.32)}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  height:76px;transition:height .22s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);white-space:nowrap}
.logo:hover{color:var(--brand-deep)}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  background:var(--brand-deep);
  display:grid;place-items:center;position:relative;overflow:hidden;
}
.logo-mark::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 1px,transparent 1px 8px)}
.logo-mark span{position:relative;color:var(--accent-2);font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:-.04em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;background:var(--bg);padding:5px;border-radius:var(--r-pill);border:1px solid var(--line)}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease-out,color .2s ease-out;
}
.nav-link:hover{background:#fff;color:var(--brand)}
.nav-link.active{background:var(--brand);color:#fff;font-weight:600}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-ghost{font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.nav-ghost:hover{color:var(--brand)}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,transform .12s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e85a1d;color:#fff;box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{position:relative;color:transparent !important;pointer-events:none}
.btn.is-loading::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:15px}
.link-arrow span{transition:transform .2s ease-out}
.link-arrow:hover span{transform:translateX(4px)}
/* ============ Hero ============ */
.hero{
  position:relative;padding:72px 0 88px;
  background:
    radial-gradient(900px 380px at 88% -10%,rgba(216,240,74,.20),transparent 62%),
    linear-gradient(180deg,#fff 0%,var(--bg) 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:540px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:46px;line-height:1.2;margin-bottom:18px}
.hero h1 em{font-style:normal;position:relative;color:var(--brand-deep)}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:var(--accent-2);opacity:.55;border-radius:2px;z-index:-1;
}
.hero-sub{font-size:19px;color:var(--ink-2);font-weight:500;margin-bottom:14px}
.hero-text{font-size:16px;color:var(--ink-2);max-width:52ch;margin-bottom:28px}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-trust li::before{
  content:"";width:14px;height:14px;border-radius:4px;
  background:var(--brand-soft);border:1px solid var(--brand);
  box-shadow:inset 0 0 0 3px #fff;
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-md);box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.hero-media::before{
  content:"";position:absolute;inset:-14px -14px auto auto;width:160px;height:160px;
  border-radius:var(--r-md);
  background:repeating-linear-gradient(135deg,rgba(20,105,79,.14) 0 2px,transparent 2px 10px);
  z-index:-1;
}
.hero-media-card{
  position:absolute;right:-6px;bottom:-22px;
  background:var(--brand-deep);color:#fff;
  border-radius:var(--r-md);padding:16px 20px;min-width:168px;
  box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.08);
}
.hero-media-num{display:block;font-family:var(--mono);font-size:32px;font-weight:700;line-height:1;color:var(--accent-2)}
.hero-media-label{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}
/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.section-tag::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand)}
.section-title{font-size:32px;margin-bottom:14px}
.section-note{font-size:16px;color:var(--ink-2);max-width:62ch}
/* ============ 提问卡 ============ */
.problem-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
  overflow:hidden;
}
.problem-card::before{
  content:"";position:absolute;top:0;left:0;width:16px;height:16px;
  background:linear-gradient(135deg,var(--brand) 0 50%,transparent 50%);
  opacity:.85;
}
.problem-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--brand)}
.problem-q{font-size:19px;font-weight:700;margin-bottom:10px}
.problem-a{font-size:15px;color:var(--ink-2);line-height:1.75}
/* ============ 分类卡 ============ */
.cat-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-2);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--brand)}
.cat-thumb{position:relative}
.cat-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cat-thumb .badge{position:absolute;left:16px;top:16px}
.cat-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat-body h3{font-size:21px}
.cat-body p{font-size:15px;color:var(--ink-2);margin:0}
.cat-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-soft);color:#B84C15}
.badge-dark{background:rgba(14,59,46,.9);color:#fff}
.tagline{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:12.5px;color:var(--ink-2);background:#fff;
}
/* ============ 方案区 ============ */
.solution-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.solution-main{
  grid-column:span 7;position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:34px;box-shadow:var(--sh-2);overflow:hidden;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.solution-main:hover{border-color:var(--brand);box-shadow:var(--sh-3)}
.solution-main .num{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.solution-main h3{font-size:24px;margin:12px 0 14px}
.solution-main p{font-size:15.5px;color:var(--ink-2)}
.solution-points{margin-top:22px;display:grid;gap:12px}
.solution-points li{display:flex;gap:12px;font-size:15px;color:var(--ink);align-items:flex-start}
.solution-points li::before{
  content:"";flex:0 0 18px;height:18px;margin-top:5px;border-radius:6px;
  background:var(--brand-soft);border:1px solid rgba(20,105,79,.32);
  box-shadow:inset 0 0 0 3px #fff;
}
.solution-main img{margin-top:26px;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm)}
.solution-side{grid-column:span 5;display:grid;gap:24px;align-content:start}
.solution-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.solution-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--sh-3)}
.solution-card .num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em}
.solution-card h3{font-size:20px;margin:10px 0 10px}
.solution-card p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.solution-card.warm{background:linear-gradient(180deg,#fff 0%,var(--accent-soft) 190%)}
/* ============ 数据区 ============ */
.stats-band{
  position:relative;color:#fff;padding:80px 0;
  background-color:var(--brand-deep);
  background-image:linear-gradient(rgba(14,59,46,.94),rgba(14,59,46,.94)),var(--band-img);
  background-size:cover;background-position:center;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 72px);
  pointer-events:none;
}
.stats-head{position:relative;margin-bottom:46px}
.stats-head h2{color:#fff;font-size:30px;margin-bottom:12px}
.stats-head p{color:rgba(255,255,255,.7);font-size:15.5px;max-width:64ch}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.stat-item{padding:0 26px;border-left:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--mono);font-size:44px;font-weight:700;line-height:1;color:var(--accent-2)}
.stat-unit{font-family:var(--mono);font-size:20px;color:var(--accent-2);margin-left:4px}
.stat-label{display:block;margin-top:14px;font-size:14.5px;color:rgba(255,255,255,.74)}
.stats-foot{position:relative;margin-top:36px;font-size:13.5px;color:rgba(255,255,255,.55)}
/* ============ 资讯列表（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--brand)}
.news-cover{position:relative;background:var(--brand-soft)}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-deep)}
.news-excerpt{
  font-size:14.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-date{font-family:var(--mono);font-size:13px;color:var(--ink-2);letter-spacing:.02em}
.news-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:5px}
.news-link span{transition:transform .2s ease-out}
.news-link:hover span{transform:translateX(3px)}
/* ============ 空态 ============ */
.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:220px;padding:40px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:var(--r-md);background:var(--brand-soft);
  display:grid;place-items:center;color:var(--brand);font-size:22px;font-weight:700;font-family:var(--mono);
}
.empty-state p{font-size:15px;color:var(--ink-2);margin:0}
/* ============ FAQ ============ */
.faq-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:background .2s ease-out,color .2s ease-out;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{background:var(--bg);color:var(--brand-deep)}
.faq-q::after{
  content:"";flex:0 0 10px;width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .22s ease-out;
}
.faq-item[open] .faq-q::after{transform:rotate(-135deg)}
.faq-item[open] .faq-q{background:var(--brand-soft);color:var(--brand-deep)}
.faq-a{padding:0 26px 24px;font-size:15.5px;color:var(--ink-2);line-height:1.85;max-width:80ch}
/* ============ CTA + 表单 ============ */
.cta-band{
  background:var(--brand-deep);color:#fff;border-radius:var(--r-md);
  padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:52px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,240,74,.16),transparent 68%);
}
.cta-copy{position:relative}
.cta-copy h2{color:#fff;font-size:28px;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.76);font-size:15.5px}
.cta-list{margin-top:24px;display:grid;gap:12px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86)}
.cta-list li::before{content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;background:var(--accent-2)}
.form{position:relative;background:#fff;border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-2)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.input,.textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:15px;line-height:1.6;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.textarea{min-height:104px;resize:vertical}
.input::placeholder,.textarea::placeholder{color:#9AA8A2}
.input:hover,.textarea:hover{border-color:#c9d4cd}
.input:focus,.textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,105,79,.16);
}
.field.has-error .input,.field.has-error .textarea{border-color:var(--error);box-shadow:0 0 0 3px rgba(192,57,43,.12)}
.field-error{display:none;margin-top:6px;font-size:12.5px;color:var(--error)}
.field.has-error .field-error{display:block}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 18px}
.form-foot{margin-top:20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:var(--ink-2)}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(27,127,90,.1);border:1px solid rgba(27,127,90,.35);
  color:var(--success);font-size:14px;font-weight:600;
}
.form-success.show{display:block}
/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.76);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1)}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34ch}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-2)}
.footer-col li{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.68)}
.footer-bottom a:hover{color:var(--accent-2)}
/* ============ 浮出按钮与弹层 ============ */
.float-btn{
  position:fixed;right:24px;bottom:24px;z-index:70;
  min-height:52px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;gap:10px;
  box-shadow:0 12px 28px -10px rgba(255,106,43,.7);
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.float-btn:hover{background:#e85a1d;color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(255,106,43,.78)}
.float-btn:active{transform:translateY(0)}
.modal-mask{
  position:fixed;inset:0;z-index:90;background:rgba(12,23,20,.55);
  display:none;align-items:center;justify-content:center;padding:24px;
  opacity:0;transition:opacity .22s ease-out;
}
.modal-mask.open{display:flex;opacity:1}
.modal-card{
  width:100%;max-width:540px;max-height:88vh;overflow:auto;
  background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);
  padding:30px;position:relative;transform:translateY(10px);transition:transform .22s ease-out;
}
.modal-mask.open .modal-card{transform:translateY(0)}
.modal-close{
  position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;color:var(--ink-2);background:var(--bg);
  font-size:18px;line-height:1;
}
.modal-close:hover{background:var(--brand-soft);color:var(--brand-deep)}
.modal-card h2{font-size:22px;margin-bottom:8px}
.modal-card .modal-sub{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}
body.no-scroll{overflow:hidden}
/* ============ 移动抽屉 ============ */
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.burger:hover{border-color:var(--brand)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,23,20,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:85;
  background:#fff;box-shadow:-18px 0 40px -20px rgba(12,23,20,.4);
  transform:translateX(102%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:24px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-nav{display:grid;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-nav a:hover{background:var(--bg);color:var(--brand)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-foot{margin-top:auto;display:grid;gap:12px;padding-top:24px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec-y:88px}
  .hero h1{font-size:40px}
  .hero-inner{gap:40px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 0}
  .stat-item{padding:0 22px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-ghost{display:none}
  .burger{display:inline-flex}
  .nav-right{margin-left:auto}
  .nav-cta{display:none}
  .hero-inner{grid-template-columns:1fr;gap:44px;min-height:0}
  .hero-media{order:2}
  .hero-media-card{right:16px;bottom:-18px}
  .solution-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .solution-main{grid-column:span 6}
  .solution-side{grid-column:span 6;grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;gap:34px;padding:40px}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec-y:64px}
  body{font-size:16px;line-height:1.8}
  .container{padding:0 18px}
  .hero{padding:44px 0 64px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:17px}
  .hero-text{font-size:15px}
  .hero-actions{gap:14px}
  .hero-media-card{position:static;margin-top:18px;right:auto;bottom:auto}
  .section-title{font-size:25px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .solution-side{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:30px}
  .stat-item{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
  .stat-item:first-child{border-top:0;padding-top:0}
  .stat-num{font-size:36px}
  .cta-band{padding:28px;border-radius:var(--r-md)}
  .form{padding:22px}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a{padding:0 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-btn{right:16px;bottom:16px;padding:0 18px;font-size:14px}
  .modal-card{padding:22px}
  .nav-inner{height:64px}
  .site-header.is-scrolled .nav-inner{height:60px}
}
@media (max-width:479px){
  .hero h1{font-size:26px}
  .btn{padding:0 18px;font-size:14.5px}
  .hero-actions .btn,.hero-actions .link-arrow{width:100%;justify-content:center}
  .logo{font-size:16px}
}

/* roulang page: article */
:root{
  --brand-deep:#0E3B2E;
  --brand:#14694F;
  --brand-soft:#E6F0EA;
  --accent:#FF6A2B;
  --accent-2:#D8F04A;
  --bg:#F5F7F3;
  --surface:#FFFFFF;
  --ink:#0C1714;
  --ink-2:#4C5C56;
  --line:#E2E8E3;
  --ok:#1B7F5A;
  --warn:#C9761B;
  --err:#C0392B;
  --info:#3A6B7A;
  --r-btn:10px;
  --r-card:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,23,20,.06);
  --sh-2:0 8px 24px -12px rgba(12,23,20,.18);
  --sh-3:0 14px 32px -14px rgba(12,23,20,.24);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gap:24px;
}
*,*::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:var(--font-sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out}
a:hover{color:var(--brand-deep)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
:where(.skip-link){position:absolute;left:-9999px}
.skip-link:focus{left:24px;top:12px;z-index:200;background:#fff;padding:10px 16px;border-radius:var(--r-btn);box-shadow:var(--sh-2)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);letter-spacing:.02em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--brand);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section-title{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.section-title .num{
  font-family:var(--font-mono);font-size:13px;font-weight:700;color:#fff;background:var(--brand);
  padding:2px 8px;border-radius:6px;letter-spacing:.06em;
}
.section-title h2{font-size:clamp(22px,2.6vw,30px)}
.line-title{padding-left:14px;border-left:4px solid var(--brand)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(12,23,20,.5)}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;transition:height .22s ease-out}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--ink)}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-deep);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:15px;font-weight:700;letter-spacing:.04em;
  position:relative;overflow:hidden;flex:none;
}
.logo-mark::after{content:"";position:absolute;right:-8px;bottom:-8px;width:22px;height:22px;background:var(--accent-2);opacity:.55;border-radius:6px}
.logo-mark span{position:relative;z-index:1}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:10px 15px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-link:hover{color:var(--brand);background:var(--bg)}
.nav-link.active{background:var(--brand);color:#fff}
.nav-link.active:hover{background:var(--brand-deep);color:#fff}
.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.link-quiet{font-size:15px;font-weight:600;color:var(--ink-2)}
.link-quiet:hover{color:var(--brand)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,23,20,.45);z-index:90;opacity:0;visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:#fff;z-index:100;
  transform:translateX(102%);transition:transform .26s ease-out;display:flex;flex-direction:column;
  padding:22px;box-shadow:-14px 0 40px -20px rgba(12,23,20,.5);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);font-size:19px;line-height:1;color:var(--ink-2)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-btn);font-size:16px;font-weight:600;color:var(--ink)}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-foot{margin-top:auto;display:grid;gap:12px;padding-top:20px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15.5px;font-weight:600;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .12s ease-out;
  text-decoration:none;
}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e75b1e;color:#fff;box-shadow:var(--sh-3)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--bg)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14.5px}
.btn.is-disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15.5px;color:var(--brand)}
.link-arrow::after{content:"→";transition:transform .2s ease-out}
.link-arrow:hover::after{transform:translateX(4px)}

/* ============ breadcrumb ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-2);padding:16px 0}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C2BC}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ article header ============ */
.article-hero{background:#fff;border-bottom:1px solid var(--line);padding-bottom:34px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-deep);letter-spacing:.02em;
}
.badge-accent{background:#FFEDE4;color:#B2430F}
.article-hero h1{
  font-size:clamp(27px,4vw,44px);line-height:1.3;margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--ink-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--accent-2)}
.note-strip{
  display:flex;gap:12px;align-items:flex-start;max-width:900px;margin-top:22px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);padding:14px 18px;
}
.note-strip .dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none}
.note-strip p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ============ layout ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start;padding:44px 0 0}
.prose{max-width:760px;font-size:17px;line-height:1.85;color:var(--ink)}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{font-size:clamp(21px,2.4vw,29px);font-weight:800;margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand);line-height:1.35;scroll-margin-top:100px}
.prose h3{font-size:20px;font-weight:700;margin:32px 0 12px;scroll-margin-top:100px}
.prose h4{font-size:17.5px;font-weight:700;margin:24px 0 10px}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.35em}
.prose li{margin:.42em 0}
.prose li::marker{color:var(--brand)}
.prose blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--brand);background:#fff;
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--ink-2);box-shadow:var(--sh-1);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:26px 0;width:100%}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;background:#fff;border-radius:var(--r-card);overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.prose thead th{background:#EEF3EF;font-weight:700;color:var(--brand-deep)}
.prose tbody tr:nth-child(even){background:#FAFCFA}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-deep);text-decoration-thickness:2px}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose code{font-family:var(--font-mono);background:#EEF3EF;padding:2px 6px;border-radius:6px;font-size:15px}

/* ============ aside ============ */
.aside-inner{position:sticky;top:96px;display:grid;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;font-weight:800;letter-spacing:.02em;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:16px;background:var(--brand);border-radius:2px}
.toc-list{list-style:none;padding:0;margin:0;display:grid;gap:2px;counter-reset:toc}
.toc-list a{
  display:block;font-size:14.5px;color:var(--ink-2);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:var(--bg);color:var(--brand);border-left-color:var(--accent)}
.side-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.65}
.side-list li b{color:var(--ink);font-weight:600}
.side-list .idx{
  font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:6px;padding:2px 7px;height:fit-content;flex:none;
}
.side-cta{background:var(--brand-deep);color:#fff;border:0;position:relative;overflow:hidden}
.side-cta::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;pointer-events:none;
}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--accent-2)}
.side-cta p{font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.7;margin-bottom:16px;position:relative}

/* ============ empty ============ */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;max-width:760px;
}
.empty-state .icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-family:var(--font-mono);font-weight:700;font-size:18px;
}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ============ related ============ */
.section{padding:88px 0 0}
.section-tight{padding-top:64px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--brand)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .tag{
  position:absolute;left:12px;top:12px;background:rgba(14,59,46,.9);color:#fff;
  font-size:12px;font-weight:700;padding:4px 11px;border-radius:var(--r-pill);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;font-size:13px;color:var(--ink-2)}

.article-foot{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);max-width:760px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px;margin-top:26px}
.pager a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;
  font-size:14.5px;color:var(--ink-2);transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.pager a:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-2px)}
.pager a span{display:block;font-size:12.5px;font-weight:700;color:var(--brand);margin-bottom:4px;letter-spacing:.04em}
.pager a b{display:block;color:var(--ink);font-size:15px;font-weight:600;line-height:1.55}

/* ============ cta ============ */
.cta-band{margin-top:96px;background:var(--brand-deep);position:relative;overflow:hidden;border-radius:var(--r-card)}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:30px 30px;
}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:36px;align-items:center;padding:52px 48px}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.7vw,31px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-self:end}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.7)}

/* ============ footer ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.74);margin-top:104px;padding:64px 0 26px;position:relative}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--accent) 0 12%,var(--accent-2) 12% 20%,rgba(255,255,255,.15) 20% 100%);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1)}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.68);max-width:34ch}
.footer-col h3{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col li,.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}

/* ============ responsive ============ */
@media (max-width:1199px){
  .article-layout{gap:38px}
  .cta-inner{padding:46px 36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .header-actions .link-quiet{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:34px}
  .prose{max-width:none}
  .aside-inner{position:static;margin-top:44px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:minmax(0,1fr);justify-items:start}
  .cta-actions{justify-self:start}
  .pager{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 18px}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:60px}
  .brand{font-size:16px}
  .article-hero h1{font-size:26px}
  .article-meta{gap:8px 14px;font-size:13px}
  .section{padding-top:60px}
  .card-grid{grid-template-columns:1fr}
  .article-foot{justify-content:flex-start}
  .cta-band{margin-top:68px;border-radius:12px}
  .cta-inner{padding:34px 22px}
  .site-footer{margin-top:72px;padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:479px){
  .prose h2{font-size:20px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .pager a{padding:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
    --brand-deep:#0E3B2E;
    --brand:#14694F;
    --brand-soft:#E6F0EB;
    --accent:#FF6A2B;
    --accent-2:#D8F04A;
    --bg:#F5F7F3;
    --surface:#FFFFFF;
    --ink:#0C1714;
    --ink-2:#4C5C56;
    --line:#E2E8E3;
    --ok:#1B7F5A;
    --warn:#C9761B;
    --err:#C0392B;
    --info:#3A6B7A;
    --radius-btn:10px;
    --radius-card:14px;
    --radius-pill:999px;
    --shadow-1:0 1px 2px rgba(12,23,20,.06);
    --shadow-2:0 8px 24px -12px rgba(12,23,20,.18);
    --shadow-3:0 14px 32px -14px rgba(12,23,20,.24);
    --container:1200px;
    --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --font-mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }

  *,*::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:var(--font-sans);
    font-size:17px;
    line-height:1.85;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;display:block;border:0;}
  a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
  a:hover{color:var(--brand-deep);}
  button{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--ink);}
  p{margin:0 0 1.2em;}
  p:last-child{margin-bottom:0;}

  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

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

  /* ---------- 顶栏 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.97);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s ease-out;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(12,23,20,.35);}
  .header-inner{
    display:flex;align-items:center;gap:20px;
    height:76px;
    transition:height .22s ease-out;
  }
  .site-header.is-scrolled .header-inner{height:64px;}

  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em;}
  .logo:hover{color:var(--brand);}
  .logo-mark{
    position:relative;width:38px;height:38px;border-radius:11px;
    background:var(--brand-deep);color:#fff;
    display:grid;place-items:center;overflow:hidden;
    font-family:var(--font-mono);font-size:17px;font-weight:700;letter-spacing:.04em;
  }
  .logo-mark::after{
    content:"";position:absolute;right:-14px;bottom:-14px;width:28px;height:28px;
    background:var(--accent);transform:rotate(45deg);
  }
  .logo-mark span{position:relative;z-index:2;}
  .logo-text{white-space:nowrap;}

  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    display:inline-flex;align-items:center;height:40px;padding:0 15px;
    border-radius:var(--radius-pill);
    font-size:15px;font-weight:500;color:var(--ink-2);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand);background:var(--bg);}
  .nav-link.active{background:var(--brand);color:#fff;}
  .nav-link.active:hover{background:var(--brand-deep);color:#fff;}

  .header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
  .header-link{font-size:15px;font-weight:500;color:var(--ink-2);}
  .header-link:hover{color:var(--brand);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;
    border:1px solid transparent;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;line-height:1;
    cursor:pointer;
    transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .14s ease-out;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--shadow-2);}
  .btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
  .btn-accent:hover{background:#E85A1B;color:#fff;box-shadow:var(--shadow-2);}
  .btn-ghost{background:#fff;color:var(--brand-deep);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);}
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
  .btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:700;color:var(--brand);
  }
  .link-arrow::after{content:"→";transition:transform .2s ease-out;}
  .link-arrow:hover::after{transform:translateX(4px);}

  .menu-toggle{
    display:none;width:44px;height:44px;flex:0 0 auto;
    background:#fff;border:1px solid var(--line);border-radius:11px;
    cursor:pointer;position:relative;
  }
  .menu-toggle span{
    position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--brand-deep);
    transition:transform .2s ease-out,opacity .2s ease-out;
  }
  .menu-toggle span:nth-child(1){top:15px;}
  .menu-toggle span:nth-child(2){top:21px;}
  .menu-toggle span:nth-child(3){top:27px;}
  .menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .menu-toggle.is-open span:nth-child(2){opacity:0;}
  .menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .menu-toggle:hover{border-color:var(--brand);}

  .drawer-mask{
    position:fixed;inset:0;z-index:70;background:rgba(12,23,20,.5);
    opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:82vw;max-width:360px;background:#fff;
    transform:translateX(101%);
    transition:transform .24s ease-out;
    display:flex;flex-direction:column;
    padding:22px 22px 26px;
    box-shadow:-16px 0 40px -24px rgba(12,23,20,.5);
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-title{font-size:15px;font-weight:700;color:var(--ink-2);}
  .drawer-close{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
    cursor:pointer;font-size:20px;line-height:1;color:var(--ink-2);
  }
  .drawer-close:hover{border-color:var(--brand);color:var(--brand);}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;}
  .drawer-nav a{
    display:flex;align-items:center;min-height:48px;padding:0 14px;
    border-radius:10px;font-size:16px;font-weight:500;color:var(--ink);
  }
  .drawer-nav a:hover{background:var(--bg);color:var(--brand);}
  .drawer-nav a.active{background:var(--brand);color:#fff;}
  .drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);}
  .drawer-foot .btn{width:100%;}
  .drawer-note{margin-top:12px;font-size:13px;color:var(--ink-2);}

  /* ---------- 页面首屏 ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background:var(--brand-deep);
    display:flex;align-items:center;
    min-height:440px;
  }
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
  }
  .hero-grid{
    position:absolute;inset:0;
    background-image:
      repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 78px),
      repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 78px);
    opacity:.55;
  }
  .hero-overlay{
    position:absolute;inset:0;
    background:linear-gradient(102deg,rgba(14,59,46,.95) 0%,rgba(14,59,46,.86) 44%,rgba(14,59,46,.6) 100%);
  }
  .hero-content{position:relative;z-index:3;padding:86px 0 92px;max-width:800px;color:#fff;}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    height:32px;padding:0 14px;margin-bottom:22px;
    border-radius:var(--radius-pill);
    background:rgba(216,240,74,.16);
    border:1px solid rgba(216,240,74,.42);
    color:var(--accent-2);
    font-size:13px;font-weight:700;letter-spacing:.02em;
  }
  .page-hero h1{
    color:#fff;
    font-size:clamp(30px,4.2vw,50px);
    line-height:1.2;
    margin-bottom:18px;
    max-width:16em;
  }
  .hero-sub{
    font-size:18px;
    color:rgba(255,255,255,.86);
    margin-bottom:30px;
    max-width:34em;
  }
  .hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
  .hero-actions .link-arrow{color:var(--accent-2);}
  .hero-actions .link-arrow:hover{color:#fff;}

  .breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);}
  .breadcrumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    padding:14px 0;font-size:13px;color:var(--ink-2);
  }
  .breadcrumb a{color:var(--ink-2);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B6C2BB;}
  .breadcrumb .current{color:var(--ink);font-weight:500;}

  /* ---------- 通用板块 ---------- */
  .section{padding:104px 0;}
  .section--tight{padding:80px 0;}
  .section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  .section-head{margin-bottom:44px;max-width:760px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.12em;
    color:var(--brand);text-transform:uppercase;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand);}
  .section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
  .section-head p{color:var(--ink-2);font-size:17px;margin:0;}

  .lead{font-size:18px;color:var(--ink-2);max-width:820px;}

  /* ---------- 图文双栏 ---------- */
  .split{
    display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  }
  .split + .split{margin-top:92px;}
  .split--reverse .split-text{order:2;}
  .split--reverse .split-media{order:1;}
  .split-text h2{font-size:clamp(23px,2.3vw,30px);margin-bottom:20px;}
  .split-text p{color:var(--ink-2);}
  .split-media{position:relative;}
  .split-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-2);
  }
  .media-tag{
    position:absolute;left:16px;bottom:16px;
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 14px;border-radius:var(--radius-pill);
    background:rgba(255,255,255,.94);
    font-size:13px;font-weight:700;color:var(--brand-deep);
    box-shadow:var(--shadow-1);
  }
  .media-tag b{font-family:var(--font-mono);font-size:16px;color:var(--accent);}

  .mini-list{margin-top:22px;border-top:1px solid var(--line);}
  .mini-list li{
    display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);
    font-size:15px;color:var(--ink-2);
  }
  .mini-list li b{font-family:var(--font-mono);color:var(--brand);font-size:15px;min-width:26px;}

  /* ---------- 要点清单 ---------- */
  .checklist{
    display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px;
    margin-top:8px;
  }
  .checklist li{
    display:flex;align-items:flex-start;gap:12px;
    background:var(--surface);
    border:1px solid var(--line);border-radius:var(--radius-card);
    padding:18px 20px;
    box-shadow:var(--shadow-1);
    transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
  }
  .checklist li:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-2px);}
  .check-icon{
    flex:0 0 auto;width:24px;height:24px;border-radius:8px;
    background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;margin-top:3px;
  }
  .check-icon svg{width:13px;height:13px;}
  .checklist span.txt{font-size:15.5px;color:var(--ink);line-height:1.7;}

  /* ---------- 步骤 ---------- */
  .steps{
    display:grid;grid-template-columns:repeat(4,1fr);
    border-top:1px solid rgba(255,255,255,.16);
  }
  .steps li{
    padding:26px 24px 8px;
    border-left:1px solid rgba(255,255,255,.16);
  }
  .steps li:first-child{border-left:0;padding-left:0;}
  .step-num{
    display:block;font-family:var(--font-mono);font-size:30px;font-weight:700;
    color:var(--accent-2);line-height:1;margin-bottom:14px;
  }
  .steps h3{font-size:18px;color:#fff;margin-bottom:8px;}
  .steps p{font-size:14.5px;color:rgba(255,255,255,.76);margin:0;line-height:1.75;}
  .steps-block{
    background:var(--brand-deep);
    border-radius:18px;
    padding:52px 48px 44px;
    position:relative;overflow:hidden;
  }
  .steps-block::after{
    content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
    border:1px dashed rgba(216,240,74,.28);border-radius:50%;
  }
  .steps-head{margin-bottom:34px;position:relative;z-index:2;}
  .steps-head h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
  .steps-head p{color:rgba(255,255,255,.78);margin:0;font-size:16px;}
  .steps{position:relative;z-index:2;}

  /* ---------- FAQ ---------- */
  .faq-list{
    border:1px solid var(--line);border-radius:var(--radius-card);
    background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1);
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:0;}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 26px;cursor:pointer;list-style:none;
    font-size:17px;font-weight:700;color:var(--ink);
    transition:background-color .2s ease-out,color .2s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:var(--bg);color:var(--brand);}
  .faq-item summary::after{
    content:"";flex:0 0 auto;width:9px;height:9px;margin-right:4px;
    border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
    transform:rotate(45deg);transition:transform .2s ease-out;
  }
  .faq-item[open] summary{color:var(--brand);}
  .faq-item[open] summary::after{transform:rotate(-135deg);}
  .faq-answer{padding:0 26px 24px;color:var(--ink-2);font-size:16px;}
  .faq-answer p{margin:0;}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    background:var(--brand-deep);color:#fff;
    position:relative;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:repeating-linear-gradient(135deg,rgba(216,240,74,.07) 0 2px,transparent 2px 22px);
    opacity:.9;
  }
  .cta-inner{
    position:relative;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:44px;
    padding:72px 0;
  }
  .cta-text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
  .cta-text p{color:rgba(255,255,255,.8);margin:0;max-width:620px;font-size:16px;}
  .cta-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto;flex-wrap:wrap;}
  .cta-actions .link-arrow{color:var(--accent-2);}
  .cta-actions .link-arrow:hover{color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
    padding:72px 0 52px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px;}
  .footer-brand .logo-mark{width:36px;height:36px;font-size:16px;}
  .footer-desc{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.8;margin:0;max-width:32em;}
  .footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col li{font-size:14.5px;color:rgba(255,255,255,.7);}
  .footer-col a{color:rgba(255,255,255,.78);}
  .footer-col a:hover{color:var(--accent-2);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.14);
    font-size:13.5px;color:rgba(255,255,255,.6);
  }
  .footer-bottom a{color:rgba(255,255,255,.7);}
  .footer-bottom a:hover{color:var(--accent-2);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .section{padding:92px 0;}
    .split{gap:44px;}
  }

  @media (max-width:1023px){
    .nav-links,.header-actions .btn,.header-actions .header-link{display:none;}
    .menu-toggle{display:block;margin-left:auto;}
    .split{grid-template-columns:1fr;gap:34px;}
    .split--reverse .split-text{order:1;}
    .split--reverse .split-media{order:2;}
    .split + .split{margin-top:64px;}
    .steps-block{padding:42px 32px 34px;}
    .steps{grid-template-columns:repeat(2,1fr);}
    .steps li:nth-child(3){border-left:0;padding-left:0;}
    .steps li{padding:22px 20px 6px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:60px 0 44px;}
    .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;padding:60px 0;}
  }

  @media (max-width:767px){
    body{font-size:16px;line-height:1.8;}
    .container{padding:0 18px;}
    .section{padding:68px 0;}
    .section--tight{padding:58px 0;}
    .hero-content{padding:64px 0 68px;}
    .page-hero{min-height:360px;}
    .hero-sub{font-size:16px;}
    .section-head{margin-bottom:32px;}
    .checklist{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .steps li{border-left:0;padding-left:0;padding-right:0;border-top:1px solid rgba(255,255,255,.16);}
    .steps li:first-child{border-top:0;}
    .faq-item summary{padding:18px 18px;font-size:16px;}
    .faq-answer{padding:0 18px 20px;font-size:15px;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
  }

  @media (max-width:479px){
    .logo-text{font-size:16px;}
    .btn{padding:0 18px;font-size:14.5px;}
    .hero-badge{font-size:12px;padding:0 12px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  }

/* roulang page: category2 */
:root{
  --brand-deep:#0E3B2E;
  --brand:#14694F;
  --brand-soft:rgba(20,105,79,.08);
  --accent:#FF6A2B;
  --accent-2:#D8F04A;
  --bg:#F5F7F3;
  --surface:#FFFFFF;
  --ink:#0C1714;
  --ink-2:#4C5C56;
  --line:#E2E8E3;
  --ok:#1B7F5A;
  --warn:#C9761B;
  --err:#C0392B;
  --info:#3A6B7A;
  --r-s:10px;
  --r-m:14px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(12,23,20,.06);
  --sh-2:0 8px 24px -12px rgba(12,23,20,.18);
  --sh-3:0 14px 32px -14px rgba(12,23,20,.24);
  --sp-sec:104px;
  --mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::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:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-m);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--ink);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.4em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(216,240,74,.55);}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .22s ease-out;
}
.site-header.shrink{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;transition:height .22s ease-out;
}
.site-header.shrink .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font:700 15px/1 var(--mono);letter-spacing:.06em;position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;right:-6px;bottom:-6px;width:18px;height:18px;
  background:var(--accent-2);opacity:.85;transform:rotate(45deg);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-p);font-size:15px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--bg);}
.nav-link.active{background:var(--brand);color:#fff;font-weight:600;}
.nav-link.active:hover{background:var(--brand-deep);color:#fff;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.link-arrow{font-size:15px;font-weight:500;color:var(--ink-2);display:inline-flex;align-items:center;gap:4px;}
.link-arrow::after{content:"→";transition:transform .2s ease-out;}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover::after{transform:translateX(3px);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-s);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .12s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#e85a1c;color:#fff;box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-s);
  background:var(--surface);cursor:pointer;padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.menu-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
body.drawer-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.drawer-open .menu-toggle span:nth-child(2){opacity:0;}
body.drawer-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(12,23,20,.45);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .22s ease-out;
}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;z-index:80;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:22px 20px;
}
body.drawer-open .drawer{transform:translateX(0);}
.drawer-title{font:700 12px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:var(--r-s);
  font-size:16px;font-weight:500;color:var(--ink);border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--bg);color:var(--brand);}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);border-color:var(--line);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:12px 0;font-size:13.5px;color:var(--ink-2);
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#a9b5af;}
.crumb .now{color:var(--ink);font-weight:600;max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.4;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-60px;top:-40px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,240,74,.35),transparent 68%);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;align-items:center;padding:72px 0 76px;
}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-p);background:var(--brand-soft);
  color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.02em;border:1px solid rgba(20,105,79,.18);
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-2);display:inline-block;}
.hero h1{
  font-size:clamp(30px,3.6vw,46px);
  margin:20px 0 18px;position:relative;padding-left:18px;
}
.hero h1::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;
  border-top:1px dashed var(--line);list-style:none;padding-left:0;
}
.hero-trust li{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);margin:0;
}
.hero-trust svg{flex:0 0 auto;color:var(--brand);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--sh-2);
}
.hero-badge{
  position:absolute;right:-6px;bottom:-18px;background:var(--brand-deep);color:#fff;
  border-radius:var(--r-m);padding:14px 18px;box-shadow:var(--sh-3);min-width:172px;
}
.hero-badge b{display:block;font:700 30px/1 var(--mono);color:var(--accent-2);letter-spacing:.02em;}
.hero-badge span{display:block;font-size:12.5px;color:rgba(255,255,255,.82);margin-top:6px;line-height:1.5;}

/* ---------- section base ---------- */
.section{padding:var(--sp-sec) 0;}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section.dark{background:var(--brand-deep);color:#e8efe9;position:relative;overflow:hidden;}
.section.dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.sec-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:34px;}
.sec-head .num{
  font:700 15px/1 var(--mono);color:var(--brand);letter-spacing:.08em;padding-top:8px;flex:0 0 auto;
}
.sec-head .txt{position:relative;padding-left:16px;}
.sec-head .txt::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.sec-head h2{font-size:clamp(24px,2.5vw,32px);}
.sec-head p{margin:8px 0 0;color:var(--ink-2);font-size:15.5px;max-width:720px;}
.dark .sec-head h2{color:#fff;}
.dark .sec-head p{color:rgba(232,239,233,.76);}
.dark .sec-head .num{color:var(--accent-2);}
.dark .sec-head .txt::before{background:var(--accent-2);}

/* ---------- category body: toc + longform ---------- */
.cat-body{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start;}
.toc{
  position:sticky;top:104px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);padding:22px 20px;box-shadow:var(--sh-1);
}
.toc h2{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);font-family:var(--mono);font-weight:700;margin-bottom:14px;}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc li{margin:0;}
.toc a{
  display:flex;gap:10px;align-items:baseline;padding:9px 10px;border-radius:9px;
  font-size:14.5px;color:var(--ink-2);border-left:2px solid transparent;
}
.toc a::before{counter-increment:toc;content:"0" counter(toc);font:700 12px/1.6 var(--mono);color:#9aa8a2;}
.toc a:hover{background:var(--bg);color:var(--brand);}
.toc a.active{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand);font-weight:700;}
.toc a.active::before{color:var(--brand);}
.toc-note{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-2);line-height:1.7;}

.longform{max-width:820px;}
.longform h2{font-size:clamp(21px,2.1vw,27px);margin:0 0 16px;position:relative;padding-left:16px;}
.longform h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--brand);}
.longform h3{font-size:19px;margin:26px 0 10px;}
.longform blockquote{
  margin:0 0 1.4em;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--r-s) var(--r-s) 0;color:var(--ink-2);
}
.longform ul{list-style:none;padding-left:0;}
.longform ul li{position:relative;padding-left:26px;}
.longform ul li::before{
  content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:2px;
  background:var(--accent-2);box-shadow:0 0 0 2px rgba(20,105,79,.16);
}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px 28px;box-shadow:var(--sh-1);margin:0 0 26px;position:relative;
}
.panel::after{
  content:"";position:absolute;left:0;top:0;width:14px;height:14px;
  background:var(--brand);border-radius:var(--r-m) 0 0 0;clip-path:polygon(0 0,100% 0,0 100%);
}
.panel h3{margin-top:0;}
.panel .kv{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-p);
  font-size:13px;font-weight:600;background:var(--bg);color:var(--ink-2);border:1px solid var(--line);
}
.chip.ok{background:rgba(27,127,90,.1);color:var(--ok);border-color:rgba(27,127,90,.22);}
.chip.warn{background:rgba(201,118,27,.1);color:var(--warn);border-color:rgba(201,118,27,.22);}
.chip.info{background:rgba(58,107,122,.1);color:var(--info);border-color:rgba(58,107,122,.22);}

.steps{list-style:none;padding:0;counter-reset:step;margin-bottom:26px;}
.steps li{
  position:relative;padding:20px 22px 20px 68px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-m);margin-bottom:14px;
  box-shadow:var(--sh-1);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.steps li:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(20,105,79,.4);}
.steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:20px;top:20px;font:700 18px/1 var(--mono);color:var(--brand);
  background:var(--brand-soft);border-radius:9px;padding:9px 8px;min-width:36px;text-align:center;
}
.steps strong{display:block;font-size:17px;margin-bottom:4px;}
.steps span{font-size:15px;color:var(--ink-2);}

/* ---------- compare table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);box-shadow:var(--sh-1);}
table.compare{width:100%;min-width:660px;border-collapse:collapse;font-size:15px;}
table.compare caption{
  caption-side:top;text-align:left;padding:18px 20px 4px;font-size:13px;color:var(--ink-2);
}
table.compare th,table.compare td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
table.compare thead th{
  background:var(--brand-deep);color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;
  border-bottom-color:var(--brand-deep);
}
table.compare tbody tr:nth-child(even){background:#FAFBF8;}
table.compare tbody tr:hover{background:var(--brand-soft);}
table.compare tbody td:first-child{font-weight:700;color:var(--ink);}
table.compare tbody tr:last-child td{border-bottom:none;}

/* ---------- card grid ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.media-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(20,105,79,.42);}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.media-card .body{padding:22px 24px 24px;}
.media-card h3{font-size:19px;margin-bottom:10px;}
.media-card p{font-size:15.5px;color:var(--ink-2);}
.media-card .meta{
  display:flex;align-items:center;gap:10px;font:600 12.5px/1 var(--mono);
  color:var(--ink-2);letter-spacing:.06em;margin-bottom:12px;text-transform:uppercase;
}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--bg);color:var(--brand);}
.faq-item summary .idx{font:700 13px/1 var(--mono);color:var(--brand);flex:0 0 auto;}
.faq-item summary .arrow{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;
}
.faq-item summary .arrow::before{
  content:"";width:6px;height:6px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg) translate(-1px,-1px);
}
.faq-item[open] summary{background:var(--brand-soft);}
.faq-item[open] summary .arrow{transform:rotate(180deg);background:var(--brand);border-color:var(--brand);}
.faq-item[open] summary .arrow::before{border-color:#fff;}
.faq-item .ans{padding:0 24px 22px 62px;color:var(--ink-2);font-size:15.5px;}

/* ---------- form / cta ---------- */
.cta-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-2);overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
}
.cta-copy{padding:44px 44px;background:var(--brand-deep);color:#e8efe9;position:relative;overflow:hidden;}
.cta-copy::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-copy > *{position:relative;}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.3vw,30px);margin-bottom:14px;}
.cta-copy p{color:rgba(232,239,233,.8);font-size:15.5px;}
.cta-copy ul{list-style:none;padding:0;margin:22px 0 0;}
.cta-copy li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(232,239,233,.85);margin-bottom:8px;}
.cta-copy li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:.6em;border-radius:2px;background:var(--accent-2);}
.form-side{padding:40px 40px 44px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-s);
  background:#FCFDFC;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.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(--brand);background:#fff;box-shadow:0 0 0 3px rgba(20,105,79,.14);
}
.field.error input,.field.error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(192,57,43,.12);}
.field .hint{display:none;font-size:12.5px;color:var(--err);margin-top:5px;}
.field.error .hint{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:16px 0 18px;}
.check input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand);}
.check a{text-decoration:underline;text-underline-offset:3px;}
.form-side .btn-accent{width:100%;}
.form-foot{font-size:12.5px;color:var(--ink-2);margin-top:12px;text-align:center;}
.btn.loading{color:transparent;position:relative;}
.btn.loading::after{
  content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;
  border-radius:var(--r-s);background:rgba(27,127,90,.1);color:var(--ok);font-size:14px;font-weight:600;
}
.form-success.show{display:flex;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(232,239,233,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:14px;}
.footer-brand .logo-mark{width:34px;height:34px;font-size:13px;}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(232,239,233,.72);max-width:330px;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:14px;font-weight:700;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:9px;font-size:14.5px;}
.footer-col a{color:rgba(232,239,233,.78);}
.footer-col a:hover{color:var(--accent-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:13px;color:rgba(232,239,233,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--sp-sec:88px;}
  .cat-body{grid-template-columns:236px minmax(0,1fr);gap:32px;}
}
@media (max-width:1023px){
  :root{--sp-sec:76px;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .link-arrow{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 62px;}
  .hero-figure img{aspect-ratio:16/9;}
  .hero-badge{right:12px;bottom:-14px;}
  .cat-body{grid-template-columns:1fr;gap:26px;}
  .toc{position:static;}
  .toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 10px;}
  .cta-panel{grid-template-columns:1fr;}
  .cta-copy{padding:34px 28px;}
  .form-side{padding:32px 28px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sp-sec:60px;}
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  .hero h1{font-size:28px;padding-left:14px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .hero-trust{gap:8px 16px;}
  .grid-2{grid-template-columns:1fr;}
  .toc ol{grid-template-columns:1fr;}
  .crumb .now{max-width:100%;white-space:normal;}
  .faq-item summary{padding:17px 16px;font-size:16px;}
  .faq-item .ans{padding:0 16px 18px 44px;}
  .panel{padding:20px 18px;}
  .steps li{padding:18px 18px 18px 62px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero h1{font-size:25px;}
  .logo-text{font-size:15.5px;}
  .btn{font-size:14.5px;padding:0 16px;}
  .cta-copy,.form-side{padding-left:20px;padding-right:20px;}
  table.compare{font-size:14px;}
  table.compare th,table.compare td{padding:12px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}