/* roulang page: index */
:root{
  --brand-900:#0B2A38; --brand-700:#10556E; --brand-600:#0F6C8C; --brand-500:#1B87A8; --brand-100:#E4F1F5;
  --accent-600:#D9542B; --accent-100:#FCEBE3;
  --ink:#16232B; --ink-2:#4A5A63; --ink-3:#8A979D;
  --line:#E2E7E8; --bg:#F7F8F6; --surface:#FFFFFF;
  --r-sm:8px; --r-md:10px; --r-lg:14px; --r-xl:20px;
  --shadow-1:0 1px 2px rgba(11,42,56,.04),0 10px 28px -14px rgba(11,42,56,.12);
  --shadow-2:0 2px 6px rgba(11,42,56,.06),0 22px 48px -20px rgba(11,42,56,.18);
  --container:1200px; --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--ink);
  font-size:16px; line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
strong{font-weight:700;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand-100);color:var(--brand-900);}

/* ---------- 容器与区块 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-tight{padding:72px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent-600);text-transform:uppercase;margin-bottom:12px;}
.sec-head .eyebrow::before{content:"";width:24px;height:2px;background:var(--accent-600);display:block;}
.sec-title{font-size:34px;letter-spacing:-.01em;}
.sec-desc{margin-top:14px;font-size:15px;color:var(--ink-2);max-width:640px;line-height:1.8;}
.sec-more{font-size:14px;font-weight:600;color:var(--brand-600);position:relative;padding-bottom:2px;white-space:nowrap;}
.sec-more::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent-600);transition:width .24s var(--ease);}
.sec-more:hover::after{width:100%;}
.sec-more:hover{color:var(--accent-600);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-md);font-weight:600;font-size:15px;line-height:1;
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 8px 20px -12px rgba(217,84,43,.9);}
.btn-primary:hover{background:#c74a24;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand-600);background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(15,108,140,.35);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-100);}
.btn-light{background:#fff;color:var(--brand-900);}
.btn-light:hover{background:var(--brand-100);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(247,248,246,.96);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  height:72px;
}
.site-header.is-scrolled{height:64px;border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(11,42,56,.4);background:#F7F8F6;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand-900);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;letter-spacing:.02em;
  box-shadow:inset 0 -8px 16px rgba(217,84,43,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--brand-900);}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);padding:6px 0;
  transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent-600);
  transform:scaleX(0);transform-origin:left;opacity:0;transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-link:hover{color:var(--brand-900);}
.nav-link:hover::after{transform:scaleX(1);opacity:1;}
.nav-link.is-active{color:var(--brand-900);}
.nav-link.is-active::after{transform:scaleX(1);opacity:1;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);transition:background-color .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700);}
.icon-btn svg{width:20px;height:20px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--r-md);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.header-search{
  position:fixed;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
  padding:0;max-height:0;overflow:hidden;transition:max-height .3s var(--ease),padding .3s var(--ease);
  z-index:88;box-shadow:0 18px 32px -26px rgba(11,42,56,.5);
}
.header-search.is-open{max-height:120px;padding:18px 0;}
.search-form{display:flex;gap:12px;align-items:center;}
.search-form input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:var(--r-md);padding:0 18px;background:#fff;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-form input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,108,140,.14);}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,56,.5);opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:96;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px 0 0;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px 18px;border-bottom:1px solid var(--line);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  font-size:16px;font-weight:600;padding:16px 22px;border-bottom:1px solid var(--line);color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;transition:background-color .24s var(--ease),color .24s var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--brand-100);color:var(--brand-700);}
.drawer-foot{padding:22px;margin-top:auto;}

/* ---------- 首屏 ---------- */
.hero{padding:136px 0 84px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,135,168,.12),rgba(27,135,168,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;}
.eyebrow-pill{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow-pill i{width:6px;height:6px;border-radius:50%;background:var(--accent-600);display:block;}
.hero h1{font-size:52px;letter-spacing:-.02em;line-height:1.18;}
.hero h1 .hl{color:var(--brand-600);}
.hero-sub{margin-top:20px;font-size:19px;color:var(--ink-2);max-width:560px;line-height:1.75;}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:44px;margin-top:44px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats div{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{font-size:34px;font-weight:700;color:var(--accent-600);line-height:1.1;}
.hero-stats span{font-size:13px;color:var(--ink-2);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--shadow-2);}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);
  background:linear-gradient(160deg,rgba(11,42,56,.34),rgba(11,42,56,0) 55%);pointer-events:none;
}
.hero-tag{
  position:absolute;left:20px;bottom:20px;background:#fff;color:var(--brand-700);font-size:13px;font-weight:600;
  padding:9px 16px;border-radius:999px;box-shadow:var(--shadow-1);display:inline-flex;align-items:center;gap:8px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-600);display:block;}

/* ---------- 服务区 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--accent-600);
  transition:height .24s var(--ease);
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.card:hover::before{height:28px;}
.card-main{grid-column:span 7;padding:0;display:flex;flex-direction:column;}
.card-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-main .card-body{padding:28px;}
.card-main h3{font-size:22px;}
.card-mini{grid-column:span 5;display:flex;flex-direction:column;}
.card-icon{
  width:46px;height:46px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card-icon svg{width:22px;height:22px;}
.card h3{font-size:20px;margin-bottom:12px;}
.card p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start;}
.check-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;background:var(--accent-600);margin-top:9px;border-radius:1px;
}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.strip{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px 22px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.strip:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.strip svg{width:20px;height:20px;color:var(--brand-600);flex:0 0 auto;margin-top:4px;}
.strip strong{display:block;font-size:16px;margin-bottom:2px;}
.strip span{font-size:13.5px;color:var(--ink-2);}

/* ---------- 数据带 ---------- */
.data-band{background:var(--brand-900);color:#fff;padding:64px 0;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.data-cell{padding:0 28px;border-left:1px solid rgba(255,255,255,.12);}
.data-cell:first-child{border-left:0;padding-left:0;}
.data-cell em{font-style:normal;display:block;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.6);margin-bottom:14px;}
.data-cell strong{font-size:40px;font-weight:700;color:var(--accent-600);line-height:1;display:block;}
.data-cell strong small{font-size:18px;margin-left:2px;}
.data-cell span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:10px;}

/* ---------- 案例区 ---------- */
.rail{display:flex;gap:24px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.case-card{
  flex:0 0 calc((100% - 48px)/3.2);scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.case-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.case-body{padding:22px;}
.case-body h3{font-size:18px;margin-bottom:8px;}
.case-body p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.case-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--accent-600);}
.case-link svg{width:14px;height:14px;transition:transform .24s var(--ease);}
.case-card:hover .case-link svg{transform:translateX(4px);}

/* ---------- 方案步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;}
.step{display:flex;gap:20px;padding:26px 0 26px 18px;border-top:1px solid var(--line);position:relative;}
.step::before{
  content:"";position:absolute;left:0;top:26px;width:3px;height:0;background:var(--accent-600);
  transition:height .3s var(--ease);
}
.step:hover::before{height:34px;}
.step-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.news-thumb{position:relative;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-cat{
  position:absolute;left:12px;top:12px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-date{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);}
.news-date svg{width:14px;height:14px;}
.news-arrow{color:var(--brand-600);display:inline-flex;align-items:center;transition:transform .24s var(--ease);}
.news-arrow svg{width:18px;height:18px;}
.news-card:hover .news-arrow{transform:translateX(4px);color:var(--accent-600);}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);color:var(--ink-2);
  text-align:center;padding:32px;
}
.empty-state svg{width:34px;height:34px;color:var(--ink-3);}
.empty-state p{font-size:15px;}
.skeleton{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
}
.skeleton i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,#EDF1F2,#F7F8F6,#EDF1F2);margin-bottom:12px;}
.skeleton i:last-child{margin-bottom:0;width:60%;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand-600);}
.faq-plus{
  flex:0 0 auto;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-plus svg{width:14px;height:14px;}
.faq-item.is-open .faq-plus{transform:rotate(45deg);color:var(--accent-600);border-color:var(--accent-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-2);padding:0 48px 22px 0;}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-md);padding:0 16px;background:#fff;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{height:130px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,108,140,.14);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#C9432F;}
.field .err{font-size:12px;color:#C9432F;display:none;}
.field.has-error .err{display:block;}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px;line-height:1.7;}
.agree input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--brand-600);}
.form-msg{display:none;margin-top:16px;font-size:14px;padding:12px 16px;border-radius:var(--r-md);}
.form-msg.is-ok{display:block;background:#E7F5EC;color:#1E6B3F;}
.form-msg.is-bad{display:block;background:#FDECEA;color:#C9432F;}
.info-card{background:var(--brand-100);border-radius:var(--r-lg);padding:30px;}
.info-card h3{font-size:19px;margin-bottom:20px;color:var(--brand-900);}
.info-list{display:flex;flex-direction:column;gap:18px;}
.info-list li{display:flex;gap:12px;font-size:14.5px;color:var(--brand-700);line-height:1.7;}
.info-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:3px;color:var(--brand-600);}
.info-list strong{display:block;font-size:13px;color:var(--ink-3);font-weight:600;margin-bottom:2px;}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand-900);color:#fff;border-radius:var(--r-xl);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-top:64px;}
.cta-band h2{font-size:28px;margin-bottom:10px;color:#fff;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-band .btn-primary{box-shadow:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr auto;gap:32px;padding-bottom:48px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand .brand-mark{background:#fff;color:var(--brand-900);box-shadow:none;}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:280px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72);transition:color .24s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-qr{text-align:center;}
.footer-qr .qr{
  width:96px;height:96px;border-radius:12px;background:#fff;padding:8px;display:flex;align-items:center;justify-content:center;
}
.footer-qr .qr img{width:100%;height:100%;object-fit:cover;border-radius:6px;}
.footer-qr span{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}
.footer-nav-inline{display:flex;gap:20px;}

/* ---------- 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1040px;}
  .main-nav{gap:24px;}
  .case-card{flex:0 0 calc((100% - 48px)/3);}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 24px;}
  .section{padding:72px 0;}
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .hero{padding:120px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:40px;}
  .hero-media img{aspect-ratio:16/10;}
  .card-main{grid-column:span 12;}
  .card-mini{grid-column:span 6;}
  .strip-grid{grid-template-columns:1fr 1fr;}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .data-cell{padding:0 20px;}
  .data-cell:nth-child(odd){border-left:0;padding-left:0;}
  .data-cell:nth-child(3),.data-cell:nth-child(4){border-top:1px solid rgba(255,255,255,.12);padding-top:28px;}
  .steps{grid-template-columns:1fr;gap:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px;}
  .footer-qr{grid-column:span 2;display:flex;align-items:center;gap:16px;text-align:left;}
  .footer-qr span{margin-top:0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .sec-title{font-size:24px;}
  .sec-head{margin-bottom:28px;}
  .hero{padding:104px 0 48px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-media img{aspect-ratio:4/3;min-height:220px;}
  .hero-stats{gap:28px;}
  .hero-stats strong{font-size:26px;}
  .card-mini{grid-column:span 12;}
  .strip-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr;}
  .data-cell{border-left:0 !important;padding:0 0 24px !important;border-top:1px solid rgba(255,255,255,.12);padding-top:24px !important;}
  .data-cell:first-child{border-top:0;padding-top:0 !important;}
  .data-cell strong{font-size:32px;}
  .case-card{flex:0 0 84%;}
  .news-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .form-row{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-qr{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a p{padding-right:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --brand-900:#0B2A38;
  --brand-700:#10556E;
  --brand-600:#0F6C8C;
  --brand-500:#1B87A8;
  --brand-100:#E4F1F5;
  --accent-600:#D9542B;
  --accent-700:#C2461F;
  --accent-100:#FCEBE3;
  --ink:#16232B;
  --ink-2:#4A5A63;
  --ink-3:#8A979D;
  --line:#E2E7E8;
  --bg:#F7F8F6;
  --surface:#FFFFFF;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(11,42,56,.04),0 10px 28px -14px rgba(11,42,56,.12);
  --shadow-2:0 2px 6px rgba(11,42,56,.06),0 22px 48px -20px rgba(11,42,56,.18);
  --container:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::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:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}

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

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand-900);color:#fff;padding:12px 20px;border-radius:0 0 var(--r-md) 0;
}
.skip-link:focus{left:0;}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--brand-600),var(--accent-600));
  z-index:120;transition:width .1s linear;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--surface);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 10px 26px -22px rgba(11,42,56,.55);
}
.header-inner{
  display:flex;align-items:center;gap:32px;height:72px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-900);color:#fff;
  font-size:19px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.16em;}

.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:6px 0;transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent-600);border-radius:2px;
  transform:scaleX(0);transform-origin:left;opacity:0;
  transition:transform .24s var(--ease),opacity .16s var(--ease);
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{transform:scaleX(1);opacity:1;}
.nav-link.is-active{color:var(--brand-900);}
.nav-link.is-active::after{transform:scaleX(1);opacity:1;}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:transparent;cursor:pointer;
  color:var(--ink-2);transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-100);}
.menu-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 8px 20px -12px rgba(217,84,43,.75);}
.btn-primary:hover{background:var(--accent-700);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{background:transparent;color:var(--brand-700);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand-600);background:var(--brand-100);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
  transition:color .24s var(--ease);
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.text-link:hover{color:var(--accent-600);}
.text-link:hover::after{transform:scaleX(1);}
.text-link .arrow{transition:transform .24s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,56,.45);z-index:130;
  opacity:0;transition:opacity .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;
  background:var(--surface);z-index:140;
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px 0 28px;
  box-shadow:-20px 0 50px -30px rgba(11,42,56,.6);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px 18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  background:transparent;font-size:22px;line-height:1;cursor:pointer;color:var(--ink-2);
}
.drawer-close:hover{border-color:var(--brand-600);color:var(--brand-700);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;overflow-y:auto;}
.drawer-link{
  padding:16px 22px;font-size:16px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),background .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand-700);background:var(--brand-100);}
.drawer-cta{margin:22px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  padding:16px 0;font-size:14px;color:var(--ink-2);line-height:1.6;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{padding:56px 0 8px;background:var(--surface);}
.article-shell{max-width:860px;margin:0 auto;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-600);text-transform:none;
}
.section-tag::before{content:"";width:18px;height:2px;background:var(--accent-600);border-radius:2px;}
.article-title{
  font-size:40px;line-height:1.32;margin:16px 0 0;
  color:var(--brand-900);letter-spacing:-.015em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:20px;font-size:14px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item + .meta-item::before{
  content:"";width:1px;height:12px;background:var(--line);margin-right:14px;
}
.meta-item svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.6;}

.article-cover{
  margin:34px auto 0;max-width:860px;
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2);
  background:var(--brand-100);
}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
}

/* ---------- 正文排版 ---------- */
.article-section{padding:52px 0 96px;}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--ink);
}
.article-body > * + *{margin-top:1.2em;}
.article-body p{margin:0 0 1.2em;color:var(--ink);}
.article-body h2{
  font-size:24px;margin:2.4em 0 .8em;padding-left:14px;
  border-left:4px solid var(--accent-600);
  color:var(--brand-900);line-height:1.4;
}
.article-body h3{font-size:20px;margin:1.9em 0 .7em;color:var(--brand-900);}
.article-body h4{font-size:18px;margin:1.6em 0 .6em;color:var(--brand-700);}
.article-body strong{font-weight:700;color:var(--brand-900);}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(15,108,140,.35);transition:color .2s var(--ease),border-color .2s var(--ease);}
.article-body a:hover{color:var(--accent-600);border-color:var(--accent-600);}
.article-body img{
  width:auto;max-width:100%;height:auto;margin:32px auto;
  border-radius:12px;box-shadow:var(--shadow-1);
}
.article-body figure{margin:32px 0;}
.article-body figcaption{
  margin-top:12px;text-align:center;font-size:13px;color:var(--ink-3);
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  border-left:3px solid var(--brand-600);background:var(--brand-100);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--brand-700);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:.7em;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;background:var(--accent-600);border-radius:2px;
}
.article-body ol{counter-reset:artol;}
.article-body ol li{counter-increment:artol;}
.article-body ol li::before{
  content:counter(artol);
  position:absolute;left:0;top:.08em;
  font-size:13px;font-weight:700;color:var(--accent-600);
  font-variant-numeric:tabular-nums;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:28px 0;
  font-size:15px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{
  background:var(--brand-900);color:#fff;font-weight:600;
  padding:14px 16px;text-align:left;font-size:14px;
}
.article-body tbody td{
  padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-2);
}
.article-body tbody tr:nth-child(even){background:#FAFBFB;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* ---------- 空态 ---------- */
.article-empty{
  max-width:760px;margin:0 auto;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:48px 24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);text-align:center;
}
.article-empty svg{width:44px;height:44px;stroke:var(--ink-3);fill:none;stroke-width:1.4;}
.article-empty p{font-size:16px;color:var(--ink-2);}

/* ---------- 文末操作 ---------- */
.article-foot{
  max-width:860px;margin:56px auto 0;padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.foot-links{display:flex;flex-wrap:wrap;gap:24px;}

/* ---------- 相关推荐 ---------- */
.related{padding:80px 0;background:var(--surface);border-top:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:30px;color:var(--brand-900);}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:28px;
  background:var(--accent-600);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .24s var(--ease);z-index:2;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.news-card:hover::before{opacity:1;}
.news-thumb{position:relative;overflow:hidden;background:var(--brand-100);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-cat{
  position:absolute;left:12px;top:12px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  backdrop-filter:saturate(120%);
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:18px;line-height:1.5;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:12px;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.news-date{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.news-date svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.6;}
.news-arrow{color:var(--brand-700);transition:transform .24s var(--ease),color .24s var(--ease);}
.news-card:hover .news-arrow{transform:translateX(4px);color:var(--accent-600);}

/* ---------- CTA 深色带 ---------- */
.cta-band{background:var(--brand-900);color:#fff;padding:88px 0;}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-band h2{font-size:32px;color:#fff;}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.74);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.4);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;}
.service-links{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.service-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 20px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:#fff;
  transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.service-links a:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);transform:translateY(-2px);}
.service-links a span{color:var(--accent-600);font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr auto;gap:36px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a,.footer-col ul li{
  font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease);
}
.footer-col ul li a:hover{color:#fff;}
.footer-qr{display:flex;flex-direction:column;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.7);text-align:center;}
.footer-qr .qr{
  width:96px;height:96px;border-radius:var(--r-md);overflow:hidden;
  background:#fff;display:block;
}
.footer-qr .qr img{width:100%;height:100%;object-fit:cover;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:16px 32px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-nav-inline{display:flex;flex-wrap:wrap;gap:20px;}
.footer-nav-inline a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.footer-nav-inline a:hover{color:#fff;}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1040px;}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 24px;}
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-col{border-left:0;padding-left:0;}
  .article-title{font-size:32px;}
  .article-section{padding:40px 0 72px;}
  .related{padding:64px 0;}
  .cta-band{padding:64px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .header-inner{height:64px;gap:16px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand-mark{width:36px;height:36px;font-size:17px;border-radius:10px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:10px;letter-spacing:.1em;}
  .article-hero{padding:36px 0 4px;}
  .article-title{font-size:26px;}
  .article-meta{font-size:13px;gap:10px;}
  .meta-item + .meta-item::before{margin-right:10px;}
  .article-cover{border-radius:var(--r-lg);margin-top:24px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin:1.9em 0 .7em;}
  .article-body h3{font-size:19px;}
  .article-body table{font-size:14px;}
  .article-body thead th,.article-body tbody td{padding:11px 12px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:23px;}
  .service-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:100%;}
  .btn{padding:13px 22px;font-size:14.5px;}
}
@media (max-width:520px){
  .breadcrumb{font-size:13px;}
  .article-meta{flex-direction:column;align-items:flex-start;gap:8px;}
  .meta-item + .meta-item::before{display:none;}
  .article-cover img{aspect-ratio:4/3;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2A38;
  --brand-700:#10556E;
  --brand-600:#0F6C8C;
  --brand-500:#1B87A8;
  --brand-100:#E4F1F5;
  --accent-600:#D9542B;
  --accent-700:#C2461F;
  --accent-100:#FCEBE3;
  --ink:#16232B;
  --ink-2:#4A5A63;
  --ink-3:#8A979D;
  --line:#E2E7E8;
  --bg:#F7F8F6;
  --surface:#FFFFFF;
  --danger:#C9432F;
  --success-bg:#E8F5EC;
  --success-ink:#1E6B3A;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(11,42,56,.04),0 10px 28px -14px rgba(11,42,56,.12);
  --shadow-2:0 2px 6px rgba(11,42,56,.06),0 22px 48px -20px rgba(11,42,56,.18);
  --container:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(11,42,56,.03);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:6px 0;transition:color .16s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent-600);opacity:0;transform:translateY(2px);
  transition:opacity .16s var(--ease),transform .16s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand-700);}
.nav-link:hover::after,.nav-link:focus-visible::after{opacity:1;transform:translateY(0);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{opacity:1;transform:translateY(0);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-md);align-items:center;justify-content:center;color:var(--ink);}
.nav-toggle:hover{background:var(--brand-100);}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;z-index:120;
  width:84vw;max-width:360px;height:100%;
  background:var(--surface);
  border-left:1px solid var(--line);
  box-shadow:-24px 0 60px -30px rgba(11,42,56,.35);
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;
  padding:20px 0 24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:16px;}
.drawer-close{width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;color:var(--ink-2);}
.drawer-close:hover{background:var(--brand-100);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;}
.drawer-nav a{
  font-size:16px;font-weight:600;padding:16px 20px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-100);color:var(--brand-700);}
.drawer-nav a.is-active{color:var(--accent-600);}
.drawer-foot{margin-top:auto;padding:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .drawer-tip{font-size:13px;color:var(--ink-3);line-height:1.7;}
.scrim{
  position:fixed;inset:0;z-index:110;background:rgba(11,42,56,.42);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 1px 2px rgba(217,84,43,.24);}
.btn-primary:hover{background:var(--accent-700);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-100);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent-600);
  position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link .arrow{transition:transform .24s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--accent-600);
  text-transform:uppercase;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.sec-head p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:640px;}
.sec-num{
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);
  display:block;margin-bottom:12px;
}

/* ---------- 面包屑 + Hero ---------- */
.crumb{padding:24px 0 0;font-size:14px;color:var(--ink-2);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--ink-3);}
.crumb a:hover{color:var(--brand-700);}
.crumb .current{color:var(--ink);font-weight:600;}

.hero{padding:40px 0 80px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{font-size:52px;font-weight:700;line-height:1.18;letter-spacing:-.02em;margin-top:16px;}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.85;color:var(--ink-2);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats .stat-num{font-size:40px;font-weight:700;line-height:1;color:var(--accent-600);}
.hero-stats .stat-label{display:block;margin-top:8px;font-size:13px;color:var(--ink-2);}
.hero-media{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:4/3;background:var(--brand-100);}
.hero-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 左窄右宽主体 ---------- */
.layout{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start;}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink-3);margin-bottom:14px;}
.side-nav{display:flex;flex-direction:column;}
.side-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:11px 12px;border-radius:var(--r-sm);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.side-nav a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;
  background:var(--accent-600);opacity:0;transition:opacity .24s var(--ease);
}
.side-nav a:hover,.side-nav a.is-current{color:var(--brand-700);background:var(--brand-100);}
.side-nav a:hover::before,.side-nav a.is-current::before{opacity:1;}
.side-consult{background:var(--brand-100);border-color:transparent;}
.side-consult h3{color:var(--brand-700);}
.side-consult .line{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--brand-700);padding:5px 0;font-weight:600;}
.side-consult .tip{font-size:13px;color:var(--ink-2);line-height:1.75;margin:10px 0 16px;}

.main-col{min-width:0;display:flex;flex-direction:column;gap:88px;}

/* 概览 */
.overview h2{font-size:34px;font-weight:700;line-height:1.25;}
.overview .lead{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-2);}
.overview p+p{margin-top:18px;font-size:16px;line-height:1.9;color:var(--ink-2);}
.scope-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px;}
.scope-item{
  display:flex;gap:12px;padding:18px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.scope-item:hover{border-color:var(--brand-500);box-shadow:var(--shadow-2);transform:translateY(-3px);}
.scope-item .dot{width:8px;height:8px;border-radius:2px;background:var(--accent-600);margin-top:10px;flex:none;}
.scope-item strong{display:block;font-size:15px;font-weight:700;}
.scope-item span{display:block;font-size:14px;color:var(--ink-2);line-height:1.75;margin-top:4px;}

/* 时间轴 */
.timeline{position:relative;padding-left:40px;margin-top:8px;}
.timeline::before{content:"";position:absolute;left:11px;top:14px;bottom:14px;width:1px;background:var(--line);}
.tl-item{position:relative;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--accent-600);box-shadow:0 0 0 4px var(--accent-100);
}
.tl-num{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--ink-3);}
.tl-item h3{font-size:19px;font-weight:700;margin-top:6px;}
.tl-item p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:660px;}

/* 服务卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:28px;background:var(--accent-600);
  opacity:0;transition:opacity .24s var(--ease);border-radius:0 2px 2px 0;z-index:2;
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.card:hover::before{opacity:1;}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:24px;}
.card-body h3{font-size:18px;font-weight:700;line-height:1.4;}
.card-body p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);
}
.card-link{margin-top:18px;}

/* FAQ */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  text-align:left;padding:22px 0;font-size:17px;font-weight:600;line-height:1.5;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  position:relative;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  flex:none;transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:1.5px;}
.faq-icon::after{width:1.5px;height:12px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent-600);border-color:var(--accent-600);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease);}
.faq-a>div{overflow:hidden;}
.faq-a p{padding:0 44px 24px 0;font-size:15px;line-height:1.8;color:var(--ink-2);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}

/* CTA 条 */
.cta-band{background:var(--brand-900);color:#fff;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 0;}
.cta-inner h2{font-size:30px;font-weight:700;line-height:1.3;color:#fff;}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}
.btn-on-dark{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.32);}
.btn-on-dark:hover{background:rgba(255,255,255,.1);border-color:#fff;}

/* 表单 */
.form-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field .req{color:var(--accent-600);}
.control{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface);line-height:1.5;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.control:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,108,140,.14);}
.control.is-error{border-color:var(--danger);}
textarea.control{min-height:120px;resize:vertical;}
.field-error{display:none;margin-top:6px;font-size:12px;color:var(--danger);}
.field.has-error .field-error{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);margin:6px 0 22px;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand-600);}
.form-note{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-md);
  background:var(--success-bg);color:var(--success-ink);font-size:14px;font-weight:600;
}
.form-note.is-visible{display:block;}
.info-card{
  background:var(--brand-100);border-radius:var(--r-lg);padding:28px;height:fit-content;
}
.info-card h3{font-size:18px;font-weight:700;color:var(--brand-700);}
.info-line{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid rgba(15,108,140,.14);font-size:15px;color:var(--brand-700);}
.info-line:last-child{border-bottom:0;}
.info-line svg{flex:none;margin-top:4px;}
.info-line strong{display:block;font-size:15px;font-weight:700;color:var(--brand-900);}
.info-line span{font-size:13px;color:var(--ink-2);}

/* 滚动进入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:72px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr .8fr;gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand-mark{background:var(--brand-600);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;color:#fff;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-col ul li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-qr{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.footer-qr .qr{width:96px;height:96px;border-radius:var(--r-md);overflow:hidden;background:#fff;}
.footer-qr .qr img{width:100%;height:100%;object-fit:cover;}
.footer-qr span{font-size:13px;color:rgba(255,255,255,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-nav-inline{display:flex;flex-wrap:wrap;gap:18px;}
.footer-nav-inline a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--container:1040px;}
  .hero h1{font-size:44px;}
  .layout{gap:40px;grid-template-columns:240px 1fr;}
  .sec-head h2,.overview h2{font-size:30px;}
}
@media (max-width:1023px){
  :root{--container:100%;}
  .section{padding:72px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .hero{padding:32px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .hero-media{aspect-ratio:16/9;}
  .layout{grid-template-columns:1fr;gap:40px;}
  .sidebar{position:static;}
  .side-nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .side-nav a{border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;}
  .side-nav a::before{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0;}
  .main-col{gap:64px;}
}
@media (max-width:767px){
  :root{--gutter:20px;}
  .section{padding:56px 0;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:26px;}
  .hero-stats .stat-num{font-size:32px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .sec-head h2,.overview h2{font-size:24px;}
  .scope-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .card-body{padding:20px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:8px;}
  .tl-item::before{left:-31px;width:9px;height:9px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner h2{font-size:24px;}
  .faq-q{font-size:16px;}
  .faq-a p{padding-right:0;}
  .hero-cta .btn{width:100%;}
  .brand-text em{display:none;}
}
@media (max-width:520px){
  .hero-cta{flex-direction:column;align-items:stretch;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B2A38;
  --brand-700:#10556E;
  --brand-600:#0F6C8C;
  --brand-500:#1B87A8;
  --brand-100:#E4F1F5;
  --accent-600:#D9542B;
  --accent-100:#FCEBE3;
  --ink:#16232B;
  --ink-2:#4A5A63;
  --ink-3:#8A979D;
  --line:#E2E7E8;
  --bg:#F7F8F6;
  --surface:#FFFFFF;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(11,42,56,.04),0 10px 28px -14px rgba(11,42,56,.12);
  --shadow-2:0 2px 6px rgba(11,42,56,.06),0 22px 48px -20px rgba(11,42,56,.18);
  --container:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--accent-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h1{font-size:52px;}
h2{font-size:34px;}
h3{font-size:22px;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 1em;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--surface{background:var(--surface);}
.section--brand{background:var(--brand-900);color:#fff;}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--accent-600);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-600);border-radius:2px;}
.section--brand .eyebrow{color:#F6B79E;}
.section--brand .eyebrow::before{background:#F6B79E;}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head__text{max-width:680px;}
.section-head p{margin:16px 0 0;color:var(--ink-2);font-size:16px;}
.section--brand .section-head p{color:rgba(255,255,255,.75);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  border:1.5px solid transparent;min-height:48px;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 10px 24px -14px rgba(217,84,43,.9);}
.btn-primary:hover{background:#c74a24;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand-600);background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn-white{background:#fff;color:var(--brand-900);}
.btn-white:hover{background:#EAF4F7;color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:44px;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-600);
  position:relative;
}
.link-arrow i{transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease);}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(11,42,56,.35);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-900);color:#fff;font-size:20px;font-weight:700;flex:0 0 40px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.06em;}

.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent-600);
  border-radius:2px;opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:opacity .16s var(--ease),transform .16s var(--ease);
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid transparent;transition:.24s var(--ease);
}
.icon-btn:hover{color:var(--brand-700);background:var(--brand-100);border-color:var(--line);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-md);flex-direction:column;gap:5px;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(11,42,56,.45);opacity:0;visibility:hidden;
  transition:.24s var(--ease);z-index:55;
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:440px;display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(11,42,56,.92) 0%,rgba(11,42,56,.72) 46%,rgba(11,42,56,.5) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:120px;padding-bottom:56px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.5;}
.page-hero h1{max-width:760px;color:#fff;font-size:52px;}
.hero-sub{max-width:620px;margin-top:20px;font-size:18px;color:rgba(255,255,255,.86);line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:48px;padding-top:28px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats .num{font-size:34px;font-weight:700;color:#F6B79E;line-height:1.1;}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.72);margin-top:8px;}

/* ---------- 概览条 ---------- */
.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.overview-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);transition:.24s var(--ease);
}
.overview-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.overview-item i{font-size:20px;color:var(--brand-600);}
.overview-item h4{margin:16px 0 8px;}
.overview-item p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- 错落图文 ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--line);
}
.feature-row:last-child{border-bottom:0;padding-bottom:0;}
.feature-row:first-child{padding-top:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2);background:var(--brand-100);
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-body h3{font-size:26px;margin-bottom:16px;}
.feature-body p{color:var(--ink-2);}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);align-items:flex-start;}
.check-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--accent-600);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;
}

/* ---------- 对比表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-1);}
table.compare{width:100%;border-collapse:collapse;min-width:760px;}
table.compare caption{text-align:left;padding:22px 28px 0;font-size:14px;color:var(--ink-3);}
table.compare thead th{
  background:var(--brand-900);color:#fff;font-size:15px;font-weight:600;text-align:left;
  padding:18px 24px;white-space:nowrap;
}
table.compare thead th:first-child{border-top-left-radius:0;}
table.compare tbody td{padding:18px 24px;font-size:15px;color:var(--ink-2);border-top:1px solid var(--line);vertical-align:top;}
table.compare tbody th{
  padding:18px 24px;font-size:15px;font-weight:600;text-align:left;color:var(--ink);
  border-top:1px solid var(--line);white-space:nowrap;
}
table.compare tbody tr:nth-child(even) td,table.compare tbody tr:nth-child(even) th{background:#FAFCFC;}
.table-note{margin-top:16px;font-size:13px;color:var(--ink-3);}

/* ---------- 九宫格 ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.venue-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:.24s var(--ease);
}
.venue-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.venue-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:28px;background:var(--accent-600);
  opacity:0;transition:opacity .24s var(--ease);
}
.venue-card:hover::before{opacity:1;}
.venue-card i{font-size:22px;color:var(--brand-600);}
.venue-card h4{margin:16px 0 8px;}
.venue-card p{margin:0;font-size:14px;color:var(--ink-2);}

/* ---------- 流程 ---------- */
.step-track{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:step;}
.step-item{position:relative;padding-top:26px;}
.step-item::before{
  content:"";position:absolute;top:8px;left:0;right:0;height:1px;background:var(--line);
}
.step-item::after{
  content:"";position:absolute;top:3px;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--accent-600);box-shadow:0 0 0 4px rgba(217,84,43,.14);
}
.step-no{font-size:20px;font-weight:700;color:var(--brand-600);}
.step-item h4{margin:10px 0 8px;font-size:17px;}
.step-item p{margin:0;font-size:14px;color:var(--ink-2);}

/* ---------- 动态信息条 ---------- */
.news-strip{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.news-strip li{
  display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;
  padding:22px 28px;border-top:1px solid var(--line);
}
.news-strip li:first-child{border-top:0;}
.news-strip .date{font-size:13px;color:var(--ink-3);}
.news-strip .title{font-size:16px;font-weight:600;color:var(--ink);}
.news-strip .dept{font-size:13px;color:var(--brand-700);background:var(--brand-100);padding:4px 12px;border-radius:999px;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  transition:.24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:2px;transition:.24s var(--ease);
}
.faq-icon::before{width:11px;height:1.6px;left:7px;top:12px;}
.faq-icon::after{width:1.6px;height:11px;left:12px;top:7px;}
.faq-item[open] .faq-icon{transform:rotate(90deg);border-color:var(--accent-600);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--accent-600);}
.faq-a{padding:0 46px 24px 0;font-size:15px;color:var(--ink-2);line-height:1.8;}
.faq-a p{margin:0;}

/* ---------- 表单与联系 ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field .control{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;transition:.24s var(--ease);
}
.field textarea.control{height:auto;padding:12px 16px;min-height:120px;resize:vertical;line-height:1.7;}
.field .control:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,108,140,.14);}
.field .control:disabled{opacity:.6;cursor:not-allowed;}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:6px;}
.field.has-error .control{border-color:#C9432F;}
.field .error-text{display:none;font-size:12px;color:#C9432F;margin-top:6px;}
.field.has-error .error-text{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);margin:4px 0 24px;}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand-600);}
.form-success{
  display:none;margin-bottom:20px;padding:14px 18px;border-radius:var(--r-md);
  background:#EAF7EF;color:#1F6B43;font-size:14px;
}
.form-success.is-visible{display:block;}
.info-card{
  background:var(--brand-100);border-radius:var(--r-lg);padding:32px;
}
.info-card h3{font-size:20px;margin-bottom:20px;}
.info-list{display:grid;gap:18px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--brand-700);}
.info-list i{font-size:18px;color:var(--brand-600);margin-top:3px;}
.info-list strong{display:block;font-size:14px;color:var(--brand-900);}
.info-list span{font-size:14px;color:var(--ink-2);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;border-radius:var(--r-xl);
  padding:48px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:28px;color:#fff;}
.cta-band p{margin:12px 0 0;color:rgba(255,255,255,.75);max-width:560px;}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:72px 0 28px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr auto;gap:32px;
  padding-bottom:40px;
}
.footer-brand .brand{color:#fff;margin-bottom:18px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.85;margin:0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-qr{display:flex;flex-direction:column;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.72);text-align:center;}
.footer-qr .qr{
  width:96px;height:96px;border-radius:12px;overflow:hidden;background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
}
.footer-qr .qr img{width:100%;height:100%;object-fit:cover;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-nav-inline{display:flex;flex-wrap:wrap;gap:20px;}
.footer-nav-inline a{color:rgba(255,255,255,.72);}
.footer-nav-inline a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1040px;}
  h1,.page-hero h1{font-size:44px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:28px;}
  .footer-qr{grid-column:1 / -1;flex-direction:row;justify-content:flex-start;text-align:left;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .overview-grid{grid-template-columns:repeat(2,1fr);}
  .venue-grid{grid-template-columns:repeat(2,1fr);}
  .step-track{grid-template-columns:repeat(3,1fr);row-gap:32px;}
  .contact-grid{grid-template-columns:1fr;}
  .feature-row{gap:36px;}
  .main-nav{gap:22px;}
  .nav-link{font-size:14px;}
}
@media (max-width:860px){
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:84vw;max-width:360px;
    background:var(--surface);flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;transform:translateX(102%);transition:transform .28s var(--ease);
    z-index:58;box-shadow:-18px 0 40px -24px rgba(11,42,56,.4);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:16px 0;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--accent-600);}
  .main-nav .nav-cta{
    margin-top:24px;display:flex;align-items:center;justify-content:center;
    background:var(--accent-600);color:#fff;padding:16px;border-radius:var(--r-md);font-weight:600;
  }
  .feature-row{grid-template-columns:1fr;padding:40px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .table-wrap{border-radius:var(--r-md);}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  h1,.page-hero h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .page-hero{min-height:0;}
  .page-hero .container{padding-top:80px;padding-bottom:44px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px;}
  .hero-stats .num{font-size:26px;}
  .overview-grid{grid-template-columns:1fr;}
  .venue-grid{grid-template-columns:1fr;}
  .step-track{grid-template-columns:1fr;}
  .step-item::before,.step-item::after{display:none;}
  .step-item{padding-top:0;padding-left:46px;position:relative;}
  .step-item .step-no{position:absolute;left:0;top:0;width:34px;height:34px;border-radius:12px;background:var(--brand-100);display:flex;align-items:center;justify-content:center;font-size:16px;}
  .news-strip li{grid-template-columns:1fr;gap:8px;padding:20px;}
  .form-card{padding:24px 20px;}
  .cta-band{padding:32px 24px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-nav-inline{gap:14px;}
  .faq-a{padding-right:0;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B2A38;
  --brand-700:#10556E;
  --brand-600:#0F6C8C;
  --brand-500:#1B87A8;
  --brand-100:#E4F1F5;
  --accent-600:#D9542B;
  --accent-100:#FCEBE3;
  --ink:#16232B;
  --ink-2:#4A5A63;
  --ink-3:#8A979D;
  --line:#E2E7E8;
  --bg:#F7F8F6;
  --surface:#FFFFFF;
  --danger:#C9432F;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(11,42,56,.04),0 10px 28px -14px rgba(11,42,56,.12);
  --shadow-2:0 2px 6px rgba(11,42,56,.06),0 22px 48px -20px rgba(11,42,56,.18);
  --container:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--surface);}
.section--dark{background:var(--brand-900);color:#fff;}

/* ---------- 页头导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 10px 26px -22px rgba(11,42,56,.5);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand-600);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 8px 18px -12px rgba(15,108,140,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.08em;}

.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:8px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent-600);
  transform:scaleX(0);transform-origin:left;opacity:0;
  transition:transform .16s var(--ease),opacity .16s var(--ease);
}
.nav-link:hover,.nav-link.is-active{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);opacity:1;}

.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:transparent;
  display:grid;place-items:center;cursor:pointer;color:var(--ink-2);
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-100);}
.icon-btn svg{width:18px;height:18px;}

.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:transparent;
  display:none;place-items:center;cursor:pointer;color:var(--ink);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,56,.44);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--surface);
  transform:translateX(102%);transition:transform .28s var(--ease);z-index:95;
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:transparent;
  display:grid;place-items:center;cursor:pointer;font-size:20px;color:var(--ink-2);
}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:block;font-size:16px;font-weight:600;padding:16px 0;border-bottom:1px solid var(--line);
  color:var(--ink-2);transition:color .2s var(--ease);
}
.drawer-nav a:hover{color:var(--brand-700);}
.drawer-nav a.is-active{color:var(--brand-700);}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);padding:14px 28px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;min-height:48px;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),
             box-shadow .24s var(--ease),transform .24s var(--ease);
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 10px 22px -14px rgba(217,84,43,.85);}
.btn-primary:hover{background:#c44a24;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-100);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(11,42,56,.1);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);
  position:relative;transition:color .24s var(--ease);
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.text-link:hover{color:var(--accent-600);}
.text-link:hover::after{transform:scaleX(1);}
.text-link svg{width:16px;height:16px;transition:transform .24s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 区块标题 ---------- */
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent-600);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head{max-width:720px;}
.section-head h2{font-size:34px;}
.section-head p{margin-top:16px;font-size:16px;color:var(--ink-2);}
.section-head--split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  max-width:none;margin-bottom:40px;
}
.section-head--split .head-text{max-width:640px;}

/* ---------- Hero ---------- */
.hero{
  padding:76px 0 88px;
  background:
    radial-gradient(1200px 460px at 88% -6%, #E4F1F5 0%, rgba(228,241,245,0) 68%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent-100);color:var(--accent-600);
  font-size:13px;font-weight:600;padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent-600);display:block;}
.hero h1{font-size:52px;letter-spacing:-.02em;}
.hero h1 span{color:var(--brand-600);}
.hero-sub{
  margin-top:22px;font-size:19px;line-height:1.75;color:var(--ink-2);max-width:560px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-100);
  padding:7px 15px;border-radius:999px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.hero-stats .stat-num{
  font-size:34px;font-weight:700;color:var(--accent-600);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero-stats .stat-label{font-size:13px;color:var(--ink-2);margin-top:6px;}

.hero-media{position:relative;}
.hero-media .frame{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:4/3;background:var(--brand-100);
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;}
.hero-media .float-card{
  position:absolute;left:-26px;bottom:34px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:18px 22px;min-width:210px;
}
.hero-media .float-card strong{display:block;font-size:22px;color:var(--brand-700);}
.hero-media .float-card span{display:block;font-size:13px;color:var(--ink-2);margin-top:4px;}

/* ---------- 筛选胶囊 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;}
.filter-pill{
  border:1.5px solid var(--line);background:transparent;color:var(--ink-2);
  border-radius:999px;padding:10px 22px;font-size:14px;font-weight:600;cursor:pointer;
  min-height:44px;transition:all .24s var(--ease);
}
.filter-pill:hover{border-color:var(--brand-600);color:var(--brand-700);}
.filter-pill.is-active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;}

/* ---------- 课程卡片墙 ---------- */
.course-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:36px;
}
.course-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.course-card::before{
  content:"";position:absolute;top:0;left:0;width:3px;height:0;background:var(--accent-600);
  transition:height .24s var(--ease);z-index:2;
}
.course-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-500);}
.course-card:hover::before{height:28px;}
.course-media{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--brand-100);}
.course-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.course-card:hover .course-media img{transform:scale(1.04);}
.course-media .level-pill{
  position:absolute;top:14px;left:14px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.course-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.course-body h3{font-size:18px;}
.course-specs{margin-top:16px;border-top:1px solid var(--line);}
.course-specs li{
  display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:9px 0;
  border-bottom:1px solid var(--line);color:var(--ink-2);
}
.course-specs li b{color:var(--ink);font-weight:600;}
.course-price{display:flex;align-items:baseline;gap:8px;margin-top:20px;}
.course-price .amount{font-size:24px;font-weight:700;color:var(--accent-600);font-variant-numeric:tabular-nums;}
.course-price .unit{font-size:13px;color:var(--ink-3);}
.course-body .btn{margin-top:18px;}

/* ---------- 训练时段表 ---------- */
.schedule-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;margin-top:36px;
}
.schedule-table{width:100%;border-collapse:collapse;font-size:15px;}
.schedule-table caption{
  text-align:left;padding:22px 28px 6px;font-size:13px;color:var(--ink-3);letter-spacing:.04em;
}
.schedule-table th,.schedule-table td{
  padding:18px 28px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;
}
.schedule-table thead th{
  background:var(--brand-900);color:#fff;font-size:13px;font-weight:600;letter-spacing:.06em;
  border-bottom:none;
}
.schedule-table tbody tr:last-child td{border-bottom:none;}
.schedule-table tbody tr:nth-child(even){background:#FBFCFC;}
.schedule-table td b{font-weight:600;}
.seat{
  display:inline-block;font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
}
.seat.warn{background:var(--accent-100);color:var(--accent-600);}

/* ---------- 深色保障带 ---------- */
.assure-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);
}
.assure-item{padding:38px 28px;border-right:1px solid rgba(255,255,255,.12);}
.assure-item:last-child{border-right:none;}
.assure-item .micro{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.6);}
.assure-item .value{
  font-size:36px;font-weight:700;color:#fff;margin-top:14px;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.assure-item .value em{font-style:normal;font-size:16px;font-weight:600;color:#7FC5DA;margin-left:6px;}
.assure-item .desc{font-size:14px;color:rgba(255,255,255,.72);margin-top:12px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:40px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);position:relative;
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent-600);border-color:var(--accent-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 48px 24px 0;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- 报名表单 ---------- */
.enroll-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:32px;align-items:start;
}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:36px;
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.field{margin-bottom:20px;display:flex;flex-direction:column;}
.field label{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:6px;}
.field .err{font-size:12px;color:var(--danger);margin-top:6px;display:none;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.field.has-error .err{display:block;}
input[type="text"],input[type="tel"],input[type="number"],select,textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 16px;background:var(--surface);color:var(--ink);font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
textarea{height:auto;min-height:120px;padding:13px 16px;line-height:1.7;resize:vertical;}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,108,140,.14);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-600);flex-shrink:0;}
.form-success{
  display:none;background:#E9F6EE;color:#1D6B43;border-radius:var(--r-md);
  padding:14px 18px;font-size:14px;margin-bottom:20px;
}
.form-success.is-show{display:block;}
.form-note{margin-top:16px;font-size:13px;color:var(--ink-3);}

.info-card{
  background:var(--brand-100);border-radius:var(--r-lg);padding:32px;
}
.info-card h3{font-size:18px;margin-bottom:20px;}
.info-card ul li{
  display:flex;gap:12px;font-size:14.5px;color:var(--brand-700);padding:11px 0;
  border-bottom:1px dashed rgba(15,108,140,.22);line-height:1.7;
}
.info-card ul li:last-child{border-bottom:none;}
.info-card ul li svg{width:20px;height:20px;flex-shrink:0;margin-top:3px;color:var(--brand-600);}
.info-card ul li b{color:var(--brand-900);font-weight:600;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--brand-900);color:#fff;border-radius:var(--r-xl);
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(217,84,43,.16);
}
.cta-bar h2{font-size:30px;position:relative;z-index:1;}
.cta-bar p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.75);position:relative;z-index:1;}
.cta-bar .btn{position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:72px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr auto;gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);max-width:320px;line-height:1.85;}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.06em;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:color .24s var(--ease);}
.footer-col ul li a:hover{color:#fff;}
.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.72);}
.footer-qr{text-align:center;}
.footer-qr .qr{
  display:block;width:96px;height:96px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);margin:0 auto 10px;
}
.footer-qr .qr img{width:100%;height:100%;object-fit:cover;}
.footer-qr span{font-size:12px;color:rgba(255,255,255,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-nav-inline{display:flex;gap:20px;flex-wrap:wrap;}
.footer-nav-inline a{color:rgba(255,255,255,.72);}
.footer-nav-inline a:hover{color:#fff;}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .container{max-width:1040px;}
  .hero h1{font-size:44px;}
  .course-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cta-bar{padding:44px 40px;}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 20px;}
  .section{padding:72px 0;}
  .main-nav{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:grid;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .hero-media .float-card{left:auto;right:18px;bottom:18px;}
  .course-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .assure-item:nth-child(2){border-right:none;}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12);}
  .enroll-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .footer-qr{text-align:left;}
  .footer-qr .qr{margin:0 0 10px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:24px;}
  .section-head h2,.cta-bar h2{font-size:26px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:18px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .hero{padding:44px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .hero-stats .stat-num{font-size:26px;}
  .hero-media .float-card{position:static;margin-top:16px;left:auto;right:auto;bottom:auto;}
  .course-grid{grid-template-columns:1fr;gap:20px;}
  .assure-grid{grid-template-columns:1fr;}
  .assure-item{border-right:none!important;border-bottom:1px solid rgba(255,255,255,.12);}
  .assure-item:last-child{border-bottom:none;}
  .form-card{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .info-card{padding:24px 20px;}
  .schedule-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .schedule-table{min-width:640px;}
  .schedule-table th,.schedule-table td{padding:14px 18px;}
  .schedule-table caption{padding:18px 18px 4px;}
  .cta-bar{padding:32px 22px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-a p{padding-right:8px;}
}
@media (max-width:520px){
  .hero h1{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .brand-text em{display:none;}
  .cta-bar h2{font-size:22px;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0B2A38;
  --brand-700:#10556E;
  --brand-600:#0F6C8C;
  --brand-500:#1B87A8;
  --brand-100:#E4F1F5;
  --accent-600:#D9542B;
  --accent-100:#FCEBE3;
  --ink:#16232B;
  --ink-2:#4A5A63;
  --ink-3:#8A979D;
  --line:#E2E7E8;
  --bg:#F7F8F6;
  --surface:#FFFFFF;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(11,42,56,.04),0 10px 28px -14px rgba(11,42,56,.12);
  --shadow-2:0 2px 6px rgba(11,42,56,.06),0 22px 48px -20px rgba(11,42,56,.18);
  --container:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::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:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(11,42,56,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;
  background:var(--brand-900);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-size:11.5px;font-style:normal;color:var(--ink-3);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:32px;margin:0 auto}
.nav-link{
  position:relative;padding:6px 0;min-height:44px;display:inline-flex;align-items:center;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .16s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;
  background:var(--accent-600);border-radius:2px;
  opacity:0;transform:scaleX(.4);transform-origin:left center;
  transition:opacity .16s var(--ease),transform .16s var(--ease);
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-900)}
.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-md);
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:var(--r-md)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle:hover{background:var(--brand-100)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 10px 24px -16px rgba(217,84,43,.9)}
.btn-primary:hover{background:#c74a24;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2)}
.btn-outline{border:1.5px solid var(--line);color:var(--brand-900);background:transparent}
.btn-outline:hover{border-color:var(--brand-600);background:var(--brand-100)}
.btn-outline:active{background:#d6eaf0}
.btn-on-dark{border:1.5px solid rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-on-dark:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(11,42,56,.5);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:84vw;max-width:360px;
  background:#fff;padding:22px 20px 28px;
  display:flex;flex-direction:column;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-md);color:var(--ink-2)}
.drawer-close:hover{background:var(--brand-100)}
.drawer-link{
  display:block;padding:16px 0;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--accent-600)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:#fff;
  background-color:var(--brand-900);
  background-image:linear-gradient(112deg,rgba(11,42,56,.96) 0%,rgba(11,42,56,.86) 48%,rgba(15,108,140,.66) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero-inner{position:relative;z-index:1;padding:88px 0 72px}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.16em;
  color:#BFDCE6;margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent-600);border-radius:2px}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.2;letter-spacing:-.015em}
.hero-sub{margin-top:20px;max-width:600px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.78)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.26);
  font-size:13px;color:rgba(255,255,255,.85);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.tag:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.tag i{width:5px;height:5px;border-radius:50%;background:var(--accent-600);display:inline-block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.hero-card{
  background:#0E3243;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-xl);
  padding:26px;
  box-shadow:var(--shadow-2);
}
.hero-card-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.hero-card-head .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-600);box-shadow:0 0 0 4px rgba(217,84,43,.22);flex:0 0 auto}
.hero-card-head strong{font-size:15px;font-weight:600}
.hero-card-head em{margin-left:auto;font-size:12.5px;font-style:normal;color:rgba(255,255,255,.6)}
.hero-card-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.74)}
.hero-card-list li:last-child{border-bottom:0}
.hero-card-list b{font-size:16px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.hero-card-foot{margin-top:16px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.56)}

/* ---------- 数据带 ---------- */
.kpi-band{background:var(--brand-900);color:#fff;border-top:1px solid rgba(255,255,255,.12)}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.kpi{padding:34px 28px;border-left:1px solid rgba(255,255,255,.12)}
.kpi:first-child{border-left:0}
.kpi-label{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.58)}
.kpi-num{
  margin-top:8px;font-size:40px;font-weight:700;line-height:1.1;
  color:var(--accent-600);
  font-variant-numeric:tabular-nums;
  font-family:"DIN Alternate","DIN Condensed",var(--font);
}
.kpi-num small{font-size:16px;font-weight:600;margin-left:2px}
.kpi-desc{margin-top:8px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.7)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--ink-2)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.head-row .section-head{margin-bottom:0}

/* ---------- 图表区 ---------- */
.chart-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:stretch}
.chart-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:28px;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.chart-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.chart-card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.chart-card-head h3{font-size:18px}
.chart-card-head span{font-size:13px;color:var(--ink-3)}
.legend{display:flex;gap:18px;font-size:13px;color:var(--ink-2)}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.legend .lg-line{background:var(--brand-600)}
.legend .lg-bar{background:rgba(217,84,43,.35)}
.chart-svg{width:100%;height:auto;display:block}
.chart-note{margin-top:16px;font-size:13px;color:var(--ink-3)}

.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:28px;
  display:flex;flex-direction:column;
}
.side-card h3{font-size:18px;margin-bottom:8px}
.side-card > p{font-size:14px;color:var(--ink-2);margin-bottom:20px}
.side-list{display:flex;flex-direction:column;flex:1}
.side-item{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.side-item:first-child{border-top:0;padding-top:0}
.side-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--brand-600);color:#fff;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
}
.side-item h4{font-size:15.5px;margin-bottom:6px}
.side-item p{font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- 能力卡 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cap-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.cap-card::before{
  content:"";position:absolute;left:0;top:28px;width:3px;height:0;
  background:var(--accent-600);border-radius:0 3px 3px 0;
  transition:height .24s var(--ease);
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.cap-card:hover::before{height:28px}
.cap-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;margin-bottom:18px;
}
.cap-card h3{font-size:18px;margin-bottom:10px}
.cap-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}

/* ---------- 图文 + 角色取数 ---------- */
.media-band{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:center}
.media-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2)}
.media-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.media-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,42,56,0) 45%,rgba(11,42,56,.55) 100%);
}
.media-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  color:rgba(255,255,255,.9);font-size:13.5px;
}
.role-list{display:flex;flex-direction:column;gap:22px;margin-top:28px}
.role-item{display:flex;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.role-item:last-child{border-bottom:0;padding-bottom:0}
.role-badge{
  flex:0 0 auto;padding:4px 12px;height:26px;border-radius:999px;
  background:var(--accent-100);color:#A83C1B;
  font-size:12.5px;font-weight:600;line-height:18px;
}
.role-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.role-item strong{color:var(--ink)}

/* ---------- 引用 ---------- */
.quote-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0}
.quote-list{display:grid;grid-template-columns:repeat(2,1fr);gap:44px}
.quote{border-left:3px solid var(--accent-600);padding-left:26px}
.quote p{font-size:17px;line-height:1.9;color:var(--ink)}
.quote cite{display:block;margin-top:16px;font-size:13.5px;font-style:normal;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;text-align:left;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent-600);border-color:var(--accent-600)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:720px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;padding:68px 0;
  background-image:linear-gradient(115deg,rgba(11,42,56,.97),rgba(16,85,110,.92)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);max-width:620px}
.cta-inner p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.74);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr auto;gap:32px}
.footer-grid > * + *{border-left:1px solid rgba(255,255,255,.12);padding-left:32px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.55)}
.footer-brand .brand-mark{background:var(--accent-600)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col ul li{padding:6px 0;font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-qr{display:flex;flex-direction:column;align-items:center;gap:12px;font-size:12.5px;color:rgba(255,255,255,.72);text-align:center}
.footer-qr .qr img{width:96px;height:96px;border-radius:10px;object-fit:cover}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-nav-inline{display:flex;gap:18px;flex-wrap:wrap}
.footer-nav-inline a{color:rgba(255,255,255,.6);transition:color .2s var(--ease)}
.footer-nav-inline a:hover{color:#fff}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--container:1040px}
  .main-nav{gap:22px}
  .nav-link{font-size:14.5px}
  .nav-actions .btn-outline{display:none}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  :root{--container:100%;--gutter:20px}
  .section{padding:72px 0}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero-inner{padding:64px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .kpi{border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .kpi:nth-child(1),.kpi:nth-child(2){border-top:0}
  .kpi:nth-child(2n){border-left:1px solid rgba(255,255,255,.12)}
  .chart-layout{grid-template-columns:1fr}
  .media-band{grid-template-columns:1fr;gap:32px}
  .quote-list{grid-template-columns:1fr;gap:32px}
  .quote-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid > * + *{border-left:0;padding-left:0}
  .footer-brand,.footer-qr{grid-column:1 / -1}
  .footer-qr{flex-direction:row;justify-content:flex-start;text-align:left}
  .footer-qr .qr img{width:80px;height:80px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .hero-inner{padding:52px 0 48px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .cap-grid{grid-template-columns:1fr}
  .kpi{padding:26px 18px}
  .kpi-num{font-size:32px}
  .chart-card,.side-card,.cap-card{padding:20px}
  .cap-card::before{top:20px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 160px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .kpi-grid{grid-template-columns:1fr}
  .kpi{border-top:1px solid rgba(255,255,255,.12);border-left:0!important}
  .kpi:first-child{border-top:0}
  .hero-card{padding:20px}
  .faq-q{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}