/* roulang page: index */
:root{
  --blue:#16598C;
  --blue-dark:#0E4470;
  --blue-light:#E8F1F8;
  --teal:#2FA8A0;
  --orange:#F08A24;
  --orange-dark:#D97A17;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --section:#EEF4F9;
  --border:#E1EAF2;
  --divider:#EDF2F7;
  --text:#24384A;
  --muted:#5D7286;
  --placeholder:#93A6B8;
  --input-border:#D9E4EE;
  --error:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(22,89,140,.06);
  --shadow-2:0 10px 28px rgba(22,89,140,.10);
  --shadow-3:0 24px 60px rgba(22,89,140,.18);
  --container:1200px;
  --gap:24px;
  --font-cn:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.88;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--blue-dark)}
button,input,select,textarea{font-family:inherit;font-size:100%;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.32;color:var(--blue-dark);font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(22,89,140,.32);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;white-space:nowrap;
  border:1px solid transparent;transition:all .18s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(240,138,36,.24)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(240,138,36,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-solid{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(22,89,140,.20)}
.btn-solid:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:rgba(22,89,140,.45);color:var(--blue);background:#fff}
.btn-outline:hover{background:var(--blue-light);color:var(--blue-dark);border-color:var(--blue)}
.btn-ghost{color:var(--blue);background:transparent}
.btn-ghost:hover{background:var(--blue-light);color:var(--blue-dark)}
.btn[disabled]{background:#c3cfda;border-color:#c3cfda;color:#fff;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{font-size:14px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--blue-dark);text-decoration:underline;text-underline-offset:3px}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,89,140,.08)}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;transition:min-height .2s ease;
}
.site-header.is-scrolled .header-inner{min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--blue) 0%,var(--blue-dark) 100%);
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{font-size:17px;font-weight:600;color:var(--blue-dark);line-height:1.2}
.logo-divider{width:1px;height:22px;background:var(--border);margin-left:4px}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 6px 0 16px;
  background:#fff;border:1px solid var(--input-border);border-radius:var(--radius-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,89,140,.12);background:#fff}
.search-icon{flex:0 0 auto;color:var(--placeholder);display:flex}
.nav-search input[type="search"]{
  flex:1 1 auto;min-width:0;height:42px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.nav-search input[type="search"]::placeholder{color:var(--placeholder)}
.nav-search select{
  flex:0 0 auto;height:28px;padding:0 24px 0 12px;border:0;border-left:1px solid var(--divider);
  background:transparent;font-size:13px;color:var(--muted);outline:none;cursor:pointer;
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%235D7286' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 8px center;
}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--blue);color:#fff;font-size:14px;font-weight:600;transition:background .18s ease;
}
.search-btn:hover{background:var(--blue-dark)}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--muted);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--blue)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--blue);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;color:var(--blue-dark);
  align-items:center;justify-content:center;border:1px solid var(--border);background:#fff;
}
.nav-toggle:hover{background:var(--blue-light)}
.header-search-mobile{display:none;padding:0 24px 12px}
.header-search-mobile .nav-search{max-width:none;min-width:0;height:44px}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,68,112,.45);z-index:90;opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);z-index:95;
  background:#fff;box-shadow:var(--shadow-3);
  transform:translateX(102%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
}
.drawer-close:hover{background:var(--blue-light);color:var(--blue-dark)}
.drawer .nav-search{max-width:none;min-width:0;margin-bottom:20px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  padding:13px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a:hover{background:var(--blue-light);color:var(--blue-dark)}
.drawer-nav a.is-active{color:var(--blue);font-weight:600;background:var(--blue-light)}

/* ---------- Hero ---------- */
.hero{
  padding:64px 0 88px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(47,168,160,.10),transparent 62%),
    linear-gradient(180deg,#F2F8FD 0%,var(--bg) 72%);
  border-bottom:1px solid var(--divider);
}
.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:8px;padding:6px 14px;margin-bottom:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;color:var(--blue);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:block}
.hero h1{font-size:40px;font-weight:700;color:var(--blue-dark);letter-spacing:.2px}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{margin-top:18px;font-size:12px;color:var(--muted);letter-spacing:.2px}
.hero-media{position:relative;padding-bottom:46px}
.hero-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
}
.hero-media::after{
  content:"";position:absolute;inset:0 0 46px 0;border-radius:var(--radius-card);
  background:linear-gradient(200deg,rgba(22,89,140,.28),rgba(22,89,140,.05));
  pointer-events:none;
}
.login-card{
  position:absolute;right:-10px;bottom:-16px;width:300px;z-index:2;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-3);padding:22px;
}
.login-card-title{font-size:18px;margin-bottom:14px}
.login-card .input{margin-bottom:10px}
.login-card .btn-solid{margin-top:4px}
.login-card-foot{margin-top:12px;text-align:right}
.login-card-foot a{font-size:12px;color:var(--muted)}
.login-card-foot a:hover{color:var(--blue)}

.input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--input-border);background:#fff;font-size:15px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;outline:none;
}
.input::placeholder{color:var(--placeholder)}
.input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,89,140,.12)}
select.input{appearance:none;padding-right:36px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%235D7286' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;}
textarea.input{height:auto;min-height:104px;padding:12px 14px;line-height:1.75;resize:vertical}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--section);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:30px;font-weight:600}
.section-head p{margin-top:14px;font-size:15px;color:var(--muted)}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .section-head-text{max-width:680px}

/* ---------- 痛点区 ---------- */
.pain-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.pain-head h2{font-size:30px}
.pain-head p{margin-top:14px;font-size:15px;color:var(--muted)}
.pain-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}
.pain-item{
  display:flex;align-items:center;gap:12px;padding:20px 0;
  border-bottom:1px solid var(--border);font-size:16px;font-weight:500;color:var(--text);
}
.pain-item:nth-child(1),.pain-item:nth-child(2){border-top:1px solid var(--border)}
.pain-icon{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:#fff;
  border:1px solid var(--border);color:var(--blue);display:flex;align-items:center;justify-content:center;
}

/* ---------- 方案卡片区 ---------- */
.solution-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:var(--gap)}
.solution-left{display:grid;gap:var(--gap)}
.sol-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px;transition:transform .2s ease,box-shadow .2s ease;
}
.sol-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.sol-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.sol-index{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--blue-light);
  color:var(--blue-dark);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.sol-icon{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);color:var(--teal)}
.sol-card h3{font-size:18px}
.sol-card .sol-text{margin-top:12px;font-size:15px;color:var(--muted)}
.sol-card .text-link{margin-top:16px}
.sol-tall{display:flex;flex-direction:column;padding:0;overflow:hidden}
.sol-tall img{width:100%;aspect-ratio:16/9;object-fit:cover}
.sol-tall-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.sol-tall-body h3{font-size:18px}
.sol-points{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.sol-points li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.sol-points li span.dot{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:9px;
}

/* ---------- 数据区 ---------- */
.stats-band{
  background:var(--blue-light);
  background-image:
    repeating-linear-gradient(0deg,rgba(22,89,140,.05) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(90deg,rgba(22,89,140,.05) 0 1px,transparent 1px 64px);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:56px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:6px 24px;text-align:center;border-left:1px solid rgba(22,89,140,.14)}
.stat:first-child{border-left:0}
.stat-num{font-size:36px;font-weight:700;color:var(--blue-dark);line-height:1.1;letter-spacing:.5px}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--teal);margin-left:4px}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted)}

/* ---------- 支持表单 ---------- */
.support-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
.support-intro h2{font-size:30px}
.support-intro p{margin-top:16px;font-size:15px;color:var(--muted)}
.support-tips{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.support-tips li{display:flex;gap:10px;font-size:14px;color:var(--muted)}
.support-tips li span.dot{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-top:9px}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px;
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.form-field label{font-size:14px;font-weight:600;color:var(--blue-dark)}
.form-field .hint{font-size:12px;color:var(--muted)}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-note{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7}
.form-note a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.form-status{margin-top:12px;font-size:13px;color:var(--teal);display:none}
.form-status.is-visible{display:block}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-cover{display:block;overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:600;
}
.news-title{margin-top:14px;font-size:17px;font-weight:600;line-height:1.5}
.news-title a{color:var(--blue-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--blue)}
.news-summary{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--divider);font-size:13px;color:var(--muted);
}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius-card);
  color:var(--muted);font-size:14px;text-align:center;
}
.empty-state .empty-icon{color:var(--placeholder)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--divider)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--blue-dark);
  transition:background .18s ease;
}
.faq-q:hover{background:var(--blue-light)}
.faq-icon{flex:0 0 auto;color:var(--blue);transition:transform .2s ease;display:flex}
.faq-item.is-open .faq-icon{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 26px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- 底部转化条 ---------- */
.cta-band{background:var(--blue-dark);color:#fff;padding:44px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-text h2{color:#fff;font-size:24px}
.cta-text p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--border);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--blue);margin-bottom:16px}
.footer-col p{font-size:13px;color:var(--muted);line-height:1.9}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--blue)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--muted)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--border);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--placeholder);
}
.footer-bottom a{color:var(--muted);font-size:12px}
.footer-bottom a:hover{color:var(--blue)}

/* ---------- 移动端粘性条 ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--border);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));gap:12px;
  box-shadow:0 -6px 20px rgba(22,89,140,.08);
}
.mobile-cta .btn{flex:1 1 auto}
.mobile-cta .icon-btn{
  flex:0 0 auto;width:46px;height:46px;border-radius:var(--radius-btn);
  border:1px solid var(--border);color:var(--blue);background:#fff;
  display:flex;align-items:center;justify-content:center;
}
.mobile-cta .icon-btn:hover{background:var(--blue-light)}

/* ---------- 浮层 ---------- */
.float-support{
  position:fixed;right:26px;bottom:26px;z-index:75;
  display:inline-flex;align-items:center;gap:8px;padding:0 18px;height:46px;
  border-radius:var(--radius-pill);background:#fff;border:1px solid var(--border);
  box-shadow:var(--shadow-2);font-size:14px;font-weight:600;color:var(--blue);
}
.float-support:hover{background:var(--blue-light);color:var(--blue-dark)}
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(14,68,112,.45)}
.modal-card{
  position:relative;z-index:2;width:min(92vw,520px);margin:6vh auto 0;
  background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-3);
  padding:28px;max-height:86vh;overflow-y:auto;
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.modal-head h2{font-size:22px}
.modal-head p{margin-top:8px;font-size:13px;color:var(--muted)}
.modal-close{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  color:var(--muted);display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--blue-light);color:var(--blue-dark)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:6px 0 18px}
.check-row input{width:16px;height:16px;margin-top:5px;accent-color:#16598C}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .hero h1{font-size:36px}
  .nav-links{gap:18px}
}
@media (max-width:1023px){
  .nav-search{max-width:360px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{padding-bottom:0;max-width:640px}
  .login-card{position:static;width:100%;margin-top:22px;box-shadow:var(--shadow-2)}
  .hero-media::after{inset:0}
  .pain-grid{grid-template-columns:1fr;gap:28px}
  .solution-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid rgba(22,89,140,.14);padding-bottom:26px}
  .support-grid{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .header-inner{min-height:64px;gap:12px}
  .site-header.is-scrolled .header-inner{min-height:60px}
  .nav-search{display:none}
  .header-search-mobile{display:block}
  .header-search-mobile .nav-search{display:flex}
  .logo-text{font-size:15px}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding:48px 0}
  .section-head h2,.pain-head h2,.support-intro h2{font-size:23px}
  .section-head--row{flex-direction:column;align-items:flex-start}
  .pain-list{grid-template-columns:1fr}
  .pain-item:nth-child(2){border-top:0}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-num{font-size:30px}
  .form-row{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-cta{display:flex}
  body{padding-bottom:72px}
  .float-support{display:none}
  .modal-card{width:100%;max-width:none;margin:0;border-radius:0;height:100%;max-height:none;padding:22px 20px 32px}
  .modal.is-sheet .modal-card{margin-top:auto}
  .modal-card{display:flex;flex-direction:column}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
}
@media (max-width:520px){
  .hero h1{font-size:25px}
  .btn{width:100%}
  .login-card .btn,.drawer .btn{width:100%}
  .sol-card{padding:22px}
  .form-card{padding:22px}
  .stat{padding:6px 12px}
  .stat-num{font-size:26px}
}

/* roulang page: article */
:root{
  --brand:#16598C;
  --brand-deep:#0E4470;
  --brand-light:#E8F1F8;
  --teal:#2FA8A0;
  --orange:#F08A24;
  --orange-deep:#D9760F;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --surface:#EEF4F9;
  --border:#E1EAF2;
  --divider:#EDF2F7;
  --text:#24384A;
  --muted:#5D7286;
  --placeholder:#93A6B8;
  --danger:#D64545;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,89,140,.06);
  --sh-2:0 10px 28px rgba(22,89,140,.10);
  --sh-3:0 24px 60px rgba(22,89,140,.18);
  --c-max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600;color:var(--brand-deep);}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(22,89,140,.28);outline-offset:2px;}
.container{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;background:transparent;cursor:pointer;
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(240,138,36,.24);}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(240,138,36,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--brand);color:var(--brand);background:#fff;}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-deep);}
.btn-ghost{background:var(--brand-light);color:var(--brand-deep);}
.btn-ghost:hover{background:#DCEAF5;color:var(--brand-deep);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}
.text-link{font-size:14px;font-weight:500;color:var(--brand);display:inline-flex;align-items:center;gap:4px;}
.text-link:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:500;letter-spacing:.2px;
}
.badge-teal{background:rgba(47,168,160,.12);color:#1F8079;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(22,89,140,.08);}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .22s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;
  display:grid;place-items:center;
}
.logo-text{
  font-size:19px;font-weight:600;color:var(--brand-deep);letter-spacing:.2px;
  padding-right:14px;border-right:1px solid var(--border);line-height:1.2;
}
.nav-search{
  flex:1 1 auto;max-width:520px;display:flex;align-items:center;gap:6px;
  height:46px;padding:0 6px 0 16px;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,89,140,.12);background:#fff;}
.nav-search svg{flex:0 0 auto;color:var(--placeholder);}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;height:100%;color:var(--text);
}
.nav-search input::placeholder{color:var(--placeholder);}
.nav-search select{
  flex:0 0 auto;border:0;border-left:1px solid var(--divider);background:transparent;
  font-size:13px;color:var(--muted);height:24px;padding:0 6px 0 10px;outline:none;cursor:pointer;
}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;cursor:pointer;
  transition:background .18s ease;
}
.search-btn:hover{background:var(--brand-deep);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{position:relative;padding:8px 10px;font-size:15px;font-weight:500;color:var(--muted);border-radius:8px;}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--border);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--placeholder);}
.breadcrumb .current{
  color:var(--brand-deep);font-weight:500;
  max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头部 ============ */
.article-head{padding:22px 0 0;}
.article-title{
  font-size:32px;line-height:1.35;font-weight:700;color:var(--brand-deep);
  max-width:920px;margin:16px 0 18px;overflow-wrap:break-word;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);}
.article-meta .meta-dot{width:1px;height:12px;background:var(--border);}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);aspect-ratio:16/9;background:var(--surface);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文 ============ */
.article-wrap{padding:44px 0 8px;}
.article-body{
  max-width:780px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:20px;font-weight:600;color:var(--brand-deep);
  margin:2em 0 .8em;padding-left:12px;border-left:4px solid var(--brand);line-height:1.45;
}
.article-body h3{font-size:18px;font-weight:600;color:var(--brand-deep);margin:1.6em 0 .6em;}
.article-body h4{font-size:16px;font-weight:600;color:var(--brand-deep);margin:1.4em 0 .5em;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{font-weight:600;color:var(--brand-deep);}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--surface);
  border-left:3px solid var(--teal);border-radius:0 10px 10px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:item;margin:0 0 1.2em;}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:.7em;counter-increment:item;}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.28em;width:22px;height:22px;
  border-radius:50%;background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;display:grid;place-items:center;line-height:1;
}
.article-body img{border-radius:12px;margin:1.4em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14px;margin:1.4em 0;
  border:1px solid var(--border);border-radius:10px;overflow:hidden;
}
.article-body th,.article-body td{border-bottom:1px solid var(--divider);padding:10px 14px;text-align:left;}
.article-body th{background:var(--surface);font-weight:600;color:var(--brand-deep);}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--brand-light);color:var(--brand-deep);padding:2px 6px;
  border-radius:6px;font-size:14px;
}
.article-body hr{border:0;border-top:1px solid var(--divider);margin:2em 0;}

/* ============ 文章尾部导航 ============ */
.article-foot{max-width:780px;margin:34px auto 0;padding-top:26px;border-top:1px solid var(--divider);display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.article-foot .tip{font-size:13px;color:var(--muted);flex:1 1 240px;}

/* ============ 空态 ============ */
.empty-state{
  max-width:780px;margin:0 auto;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);padding:52px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;margin:0 auto 16px;
}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  color:var(--teal);margin-bottom:12px;letter-spacing:.4px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--teal);}

/* ============ FAQ ============ */
.faq-list{
  max-width:860px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--divider);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:0 24px;min-height:56px;font-size:16px;font-weight:500;color:var(--brand-deep);
  transition:background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-light);}
.faq-icon{
  flex:0 0 auto;font-size:20px;line-height:1;color:var(--brand);
  transition:transform .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 24px 20px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ============ 协助表单 ============ */
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.support-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-2);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:500;color:var(--brand-deep);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid #D9E4EE;border-radius:var(--r-btn);
  background:#fff;font-size:15px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,89,140,.12);
}
.field input::placeholder,.field textarea::placeholder{color:var(--placeholder);}
.privacy-note{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.7;}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
.support-points li{
  position:relative;padding-left:22px;margin-bottom:14px;font-size:15px;color:var(--muted);
}
.support-points li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--teal);
}
.support-points li strong{color:var(--brand-deep);font-weight:600;}

/* ============ 底部转化条 ============ */
.cta-band{
  background:var(--brand-deep);color:#fff;border-radius:var(--r-card);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:22px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:14px;}
.cta-band .btn{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg);border-top:1px solid var(--border);padding:64px 0 28px;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{width:34px;height:34px;font-size:12px;border-radius:10px;}
.footer-brand .logo-text{border:0;padding:0;font-size:17px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13px;color:var(--muted);}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--muted);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--placeholder);
}

/* ============ 移动端吸底 ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:rgba(255,255,255,.96);border-top:1px solid var(--border);
  padding:10px 16px;gap:10px;backdrop-filter:blur(8px);
}
.mobile-bar .btn{flex:1 1 auto;}
.mobile-bar .btn-icon{flex:0 0 88px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-search{max-width:420px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .logo-text{font-size:17px;padding-right:10px;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 22px 28px;margin:0;box-shadow:var(--sh-3);
    transform:translateX(103%);transition:transform .26s ease;z-index:70;overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  body.nav-open::after{
    content:"";position:fixed;inset:0;background:rgba(14,68,112,.45);z-index:65;
  }
  .nav-link{padding:12px 10px;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-cta{margin:14px 0 0;width:100%;height:46px;}
  .support-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-title{font-size:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .article-head{padding:16px 0 0;}
  .article-title{font-size:28px;}
  .article-wrap{padding:30px 0 8px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:19px;}
  .article-body h3{font-size:17px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-band .btn{width:100%;}
  .faq-item summary{padding:0 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;}
  .site-footer{padding:48px 0 24px;margin-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .logo-text{font-size:15px;}
  .logo-mark{width:34px;height:34px;font-size:12px;}
  .article-title{font-size:24px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .mobile-bar .btn{width:auto;}
}

/* roulang page: category1 */
/* ================= 设计令牌 ================= */
:root{
  --c-primary:#16598C;
  --c-primary-dark:#0E4470;
  --c-primary-light:#E8F1F8;
  --c-teal:#2FA8A0;
  --c-orange:#F08A24;
  --c-orange-dark:#D9770F;
  --bg-page:#F6F9FC;
  --bg-soft:#EEF4F9;
  --bg-card:#FFFFFF;
  --border:#E1EAF2;
  --line:#EDF2F7;
  --t1:#24384A;
  --t2:#5D7286;
  --t3:#93A6B8;
  --danger:#D64545;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,89,140,.06);
  --sh-2:0 10px 28px rgba(22,89,140,.10);
  --sh-3:0 24px 60px rgba(22,89,140,.18);
  --section-y:80px;
  --container:1200px;
  --font-cn:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--t1);font-weight:700;}
p{margin:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--c-primary-dark);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--t1);}
:focus-visible{outline:3px solid rgba(22,89,140,.28);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 18px;border-radius:0 0 var(--r-btn) 0;z-index:200;}
.skip-link:focus{left:0;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 6px 16px rgba(240,138,36,.26);}
.btn-primary:hover{background:var(--c-orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(240,138,36,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.7);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.18);color:#fff;}
.btn-ghost{background:var(--bg-soft);color:var(--c-primary-dark);}
.btn-ghost:hover{background:var(--c-primary-light);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{background:#C8D4DF;color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}

/* ================= 头部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(22,89,140,.08);}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .2s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(22,89,140,.22);
}
.logo-text{font-size:17px;font-weight:600;color:var(--c-primary-dark);white-space:nowrap;}
.brand:hover .logo-text{color:var(--c-primary);}

.nav-search{
  flex:1 1 auto;max-width:520px;margin-left:8px;
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 6px 0 16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,89,140,.12);background:#fff;}
.search-icon{display:flex;color:var(--t3);flex:0 0 auto;}
.nav-search input[type="search"]{
  flex:1 1 auto;min-width:60px;height:100%;border:0;background:transparent;outline:none;font-size:14px;
}
.nav-search input[type="search"]::placeholder{color:var(--t3);}
.search-divider{width:1px;height:22px;background:var(--line);flex:0 0 auto;}
.search-scope{border:0;background:transparent;font-size:13px;color:var(--t2);outline:none;cursor:pointer;padding:0 2px;}
.search-btn{
  height:36px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .18s var(--ease);
}
.search-btn:hover{background:var(--c-primary-dark);}

.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-primary);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-primary-dark);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-cta{margin-left:4px;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-btn);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--c-primary-dark);border-radius:2px;transition:transform .2s var(--ease);}

/* ================= 移动端抽屉 ================= */
.drawer-mask{
  position:fixed;inset:0;z-index:94;background:rgba(14,68,112,.45);
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;
  width:min(88vw,360px);padding:20px;background:#fff;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s var(--ease);
  box-shadow:var(--sh-3);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:16px;font-weight:600;color:var(--c-primary-dark);}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--border);background:#fff;border-radius:var(--r-btn);
  font-size:20px;line-height:1;color:var(--t2);cursor:pointer;
}
.drawer-close:hover{background:var(--bg-soft);color:var(--c-primary-dark);}
.drawer-search{display:flex;gap:8px;background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);padding:4px 4px 4px 16px;height:46px;align-items:center;}
.drawer-search input{flex:1 1 auto;min-width:50px;border:0;outline:none;background:transparent;font-size:14px;}
.drawer-search button{height:36px;padding:0 14px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  display:block;padding:13px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:500;color:var(--t1);
  background:var(--bg-soft);transition:.18s var(--ease);
}
.drawer-link:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.drawer-link.is-active{background:var(--c-primary);color:#fff;}
.drawer-login{margin-top:auto;}

/* ================= 内页首屏 ================= */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(14,68,112,.88),rgba(22,89,140,.72));
}
.page-hero .hero-inner{position:relative;z-index:1;padding:52px 0 56px;max-width:860px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .current{color:#fff;font-weight:500;}
.page-hero h1{margin-top:16px;font-size:40px;color:#fff;letter-spacing:.5px;}
.hero-sub{margin-top:14px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.9);max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-note{margin-top:16px;font-size:12px;color:rgba(255,255,255,.72);}

/* ================= 锚点导航 ================= */
.anchor-bar{background:#fff;border-bottom:1px solid var(--border);}
.anchor-nav{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-nav::-webkit-scrollbar{display:none;}
.anchor-link{
  flex:0 0 auto;font-size:14px;font-weight:500;color:var(--t2);
  padding:9px 18px;border-radius:var(--r-pill);background:var(--bg-soft);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.anchor-link:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.anchor-link.is-active{background:var(--c-primary);color:#fff;}

/* ================= 板块基础 ================= */
.section{padding:var(--section-y) 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-title{font-size:30px;}
.section-desc{margin-top:12px;font-size:15px;color:var(--t2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-light);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:14px;
}

/* ================= 快速登录面板 ================= */
.login-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:start;}
.panel{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 26px 24px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.panel-head h3{font-size:20px;}
.panel-tip{font-size:13px;color:var(--t3);}
.panel-sub{margin-top:6px;font-size:14px;color:var(--t2);}
.field{margin-top:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--t2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid #D9E4EE;border-radius:var(--r-btn);
  background:#fff;outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,89,140,.12);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-top:16px;font-size:13px;color:var(--t2);}
.checkbox-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary);}
.panel-links{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:13px;}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid transparent;transition:.18s var(--ease);}
.text-link:hover{border-bottom-color:var(--c-primary);}
.form-msg{
  display:none;margin-top:14px;padding:11px 14px;border-radius:var(--r-btn);
  font-size:13px;background:var(--c-primary-light);color:var(--c-primary-dark);
}
.form-msg.is-show{display:block;}
.privacy-note{margin-top:12px;font-size:12px;color:var(--t2);line-height:1.7;}
.privacy-note a{text-decoration:underline;}

.info-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;
}
.info-card h3{font-size:18px;margin-bottom:14px;}
.info-card + .info-card{margin-top:20px;}

/* ================= 清单 ================= */
.check-list{display:grid;gap:14px;}
.check-list li{position:relative;padding-left:34px;font-size:15px;color:var(--t2);line-height:1.8;}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;
  background:var(--c-primary-light);
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:11px;width:8px;height:4px;
  border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(-45deg);
}
.check-list li strong{color:var(--t1);font-weight:600;}

/* ================= 图文交替 ================= */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.media-row + .media-row{margin-top:64px;}
.media-figure{order:1;background:var(--bg-soft);border-radius:var(--r-card);overflow:hidden;}
.media-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--border);box-shadow:var(--sh-1);
}
.media-body{order:2;}
.media-row.is-reverse .media-figure{order:2;}
.media-row.is-reverse .media-body{order:1;}
.media-body h2{font-size:26px;margin-bottom:14px;}
.media-body p{font-size:15px;color:var(--t2);line-height:1.9;}
.media-body .check-list{margin-top:20px;}

/* ================= 流程时间线 ================= */
.timeline{position:relative;display:grid;gap:28px;max-width:820px;}
.timeline::before{content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;background:var(--line);}
.timeline-step{display:grid;grid-template-columns:48px 1fr;gap:20px;position:relative;}
.step-dot{
  width:48px;height:48px;border-radius:50%;background:#fff;
  border:2px solid var(--c-primary);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;box-shadow:var(--sh-1);
}
.step-content{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px 22px;transition:box-shadow .2s var(--ease),transform .2s var(--ease);}
.step-content:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step-content h3{font-size:18px;margin-bottom:8px;}
.step-content p{font-size:14px;color:var(--t2);line-height:1.85;}

/* ================= 数据条 ================= */
.data-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:start;}
.stats-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:10px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:26px 18px;text-align:center;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat-num{font-size:36px;font-weight:700;color:var(--c-primary-dark);line-height:1.15;}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--c-teal);margin-left:4px;}
.stat-label{margin-top:8px;font-size:13px;color:var(--t2);}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(22,89,140,.3);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;min-height:56px;padding:14px 22px;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--t1);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--c-primary-dark);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease);}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--t2);line-height:1.9;}

/* ================= CTA 深色通栏 ================= */
.cta-band{
  position:relative;color:#fff;padding:72px 0;
  background:linear-gradient(135deg,#0E4470 0%,#16598C 100%);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:48px;align-items:center;}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band .cta-lead{margin-top:14px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.9;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{position:relative;padding-left:24px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:var(--c-teal);
}
.form-card{background:#fff;border-radius:16px;box-shadow:var(--sh-3);padding:26px 26px 22px;}
.form-card h3{font-size:18px;margin-bottom:4px;}
.form-card .form-sub{font-size:13px;color:var(--t2);}

/* ================= 页脚 ================= */
.site-footer{background:var(--bg-page);border-top:1px solid var(--border);padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{width:34px;height:34px;font-size:12px;border-radius:10px;}
.footer-brand .logo-text{font-size:16px;}
.footer-col p{font-size:13px;color:var(--t2);line-height:1.85;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--c-primary-dark);margin-bottom:14px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:13px;color:var(--t2);}
.footer-links a:hover{color:var(--c-primary);}
.footer-contact{display:grid;gap:10px;font-size:13px;color:var(--t2);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--t3);
}

/* ================= 浮动支持按钮 / 弹层 ================= */
.float-support{
  position:fixed;right:24px;bottom:28px;z-index:70;
  height:50px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  box-shadow:var(--sh-2);transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.float-support:hover{background:var(--c-primary-dark);transform:translateY(-2px);}

.modal-mask{
  position:fixed;inset:0;z-index:98;padding:20px;
  display:none;align-items:center;justify-content:center;
  background:rgba(14,68,112,.45);
}
.modal-mask.is-open{display:flex;}
.modal{
  width:100%;max-width:520px;max-height:90vh;overflow-y:auto;
  background:#fff;border-radius:16px;box-shadow:var(--sh-3);padding:26px;
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
.modal-head h3{font-size:20px;}
.modal-head p{margin-top:6px;font-size:13px;color:var(--t2);}
.modal-close{
  flex:0 0 36px;width:36px;height:36px;border:1px solid var(--border);background:#fff;
  border-radius:var(--r-btn);font-size:19px;line-height:1;color:var(--t2);cursor:pointer;
}
.modal-close:hover{background:var(--bg-soft);color:var(--c-primary-dark);}

/* ================= 移动端固定 CTA ================= */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:72;display:none;gap:10px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--border);
  box-shadow:0 -6px 20px rgba(22,89,140,.08);
}
.mobile-cta .btn{flex:1 1 auto;}
.mobile-cta .btn-icon{flex:0 0 96px;background:var(--c-primary-light);color:var(--c-primary-dark);}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  .header-inner{gap:16px;}
  .nav-links{gap:16px;}
  .nav-search{max-width:420px;}
}
@media (max-width:1023px){
  :root{--section-y:60px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .login-grid,.data-layout,.cta-grid,.media-row{grid-template-columns:1fr;gap:32px;}
  .media-row.is-reverse .media-figure{order:1;}
  .media-row.is-reverse .media-body{order:2;}
  .media-row + .media-row{margin-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-hero h1{font-size:32px;}
  .section-title{font-size:25px;}
  .cta-band h2{font-size:25px;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px;}
  .site-header.is-scrolled .header-inner{height:auto;}
  .brand{order:1;flex:1 1 auto;}
  .nav-toggle{order:2;margin-left:0;}
  .nav-search{order:3;display:flex;width:100%;max-width:none;margin-left:0;height:44px;}
  .page-hero .hero-inner{padding:36px 0 40px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:48px 0;}
  .section-title{font-size:23px;}
  .stats-card{padding:6px 0;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:20px 14px;}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;}
  .field-row{grid-template-columns:1fr;}
  .timeline-step{grid-template-columns:40px 1fr;gap:14px;}
  .step-dot{width:40px;height:40px;font-size:15px;}
  .timeline::before{left:19px;}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .float-support{display:none;}
  .mobile-cta{display:flex;}
  .modal-mask{align-items:flex-end;padding:0;}
  .modal{border-radius:16px 16px 0 0;max-height:92vh;max-width:none;}
  .panel,.info-card,.form-card,.step-content{padding:20px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:25px;}
  .section-title{font-size:21px;}
  .media-body h2{font-size:21px;}
  .faq-q{font-size:15px;padding:14px 16px;}
  .faq-a-inner{padding:0 16px 18px;}
  .mobile-cta .btn-icon{flex:0 0 78px;}
  .btn{width:100%;}
  .hero-actions,.mobile-cta{width:100%;}
  .mobile-cta .btn{width:auto;}
}

/* roulang page: category2 */
:root{
  --c-primary:#16598C;
  --c-primary-dark:#0E4470;
  --c-primary-light:#E8F1F8;
  --c-teal:#2FA8A0;
  --c-orange:#F08A24;
  --c-orange-dark:#D9761A;
  --c-bg:#F6F9FC;
  --c-card:#FFFFFF;
  --c-soft:#EEF4F9;
  --c-border:#E1EAF2;
  --c-line:#EDF2F7;
  --c-input:#D9E4EE;
  --c-text:#24384A;
  --c-text-2:#5D7286;
  --c-text-3:#93A6B8;
  --c-error:#D64545;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,89,140,.06);
  --sh-2:0 10px 28px rgba(22,89,140,.10);
  --sh-3:0 24px 60px rgba(22,89,140,.18);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg)}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-primary-dark);font-weight:600;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(22,89,140,.22);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-soft{background:var(--c-soft)}
.section-line{border-top:1px solid var(--c-line)}
.section-head{max-width:740px;margin-bottom:36px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--c-text-2)}
.eyebrow{display:inline-block;font-size:13px;color:var(--c-primary);background:var(--c-primary-light);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:14px}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:500;white-space:nowrap;cursor:pointer;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.btn-primary{background:var(--c-orange);color:#fff}
.btn-primary:hover{background:var(--c-orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.btn-outline:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-ghost{background:transparent;color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light)}
.btn-light{border-color:rgba(255,255,255,.72);color:#fff;background:rgba(255,255,255,.06)}
.btn-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}
.badge{display:inline-flex;align-items:center;border-radius:var(--r-pill);padding:3px 12px;font-size:12px;background:var(--c-primary-light);color:var(--c-primary)}
.badge-teal{background:rgba(47,168,160,.12);color:#1F7F79}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-border);transition:box-shadow .2s ease,background .2s ease}
.site-header.is-scrolled{background:rgba(255,255,255,.93);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;letter-spacing:.5px}
.logo-text{font-size:17px;font-weight:600;color:var(--c-primary-dark);white-space:nowrap}
.logo-divider{width:1px;height:26px;background:var(--c-border);margin-left:4px}
.nav-search{display:flex;align-items:center;flex:1 1 420px;max-width:520px;height:46px;padding:0 6px 0 16px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-pill);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,89,140,.12);background:#fff}
.search-icon{flex:0 0 auto;width:18px;height:18px;color:var(--c-text-3)}
.search-input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14.5px}
.search-input::placeholder{color:var(--c-text-3)}
.search-divider{width:1px;height:22px;background:var(--c-line);margin:0 10px}
.search-select{border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text-2);max-width:78px;cursor:pointer}
.search-btn{height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:500;transition:background .18s ease}
.search-btn:hover{background:var(--c-primary-dark)}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--c-text-2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:6px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-border);border-radius:var(--r-btn);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary-dark);border-radius:2px}
.drawer-mask{position:fixed;inset:0;background:rgba(14,68,112,.45);z-index:80;opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:90;background:#fff;box-shadow:var(--sh-3);padding:24px;overflow-y:auto;transform:translateX(102%);transition:transform .24s ease}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:14px;font-weight:600;color:var(--c-primary-dark);margin-bottom:14px}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 6px 0 14px;border:1px solid var(--c-border);border-radius:var(--r-pill);margin-bottom:20px}
.drawer-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-links a{display:block;padding:12px 4px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line)}
.drawer-links a.is-active{color:var(--c-primary);font-weight:600}

/* 页头横幅 */
.page-hero{position:relative;background:#0E4470 url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(14,68,112,.68)}
.page-hero .container{position:relative;z-index:1;padding-top:56px;padding-bottom:52px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.page-hero h1{color:#fff;font-size:40px;margin-bottom:14px}
.page-hero .hero-sub{max-width:660px;color:rgba(255,255,255,.9);font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta span{font-size:12.5px;color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.28);border-radius:var(--r-pill);padding:4px 12px}

/* 卡片栅格与侧栏 */
.split{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:28px;align-items:start}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.info-card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:17px}
.card-body p{font-size:14.5px;color:var(--c-text-2)}
.card-body .link-arrow{margin-top:auto}
.side-card{position:sticky;top:100px;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-card h3{font-size:16px;margin-bottom:10px}
.side-card p{font-size:13.5px;color:var(--c-text-2)}
.side-links{display:flex;flex-direction:column;gap:10px;margin:16px 0 18px;padding-top:16px;border-top:1px solid var(--c-line)}
.side-links a{font-size:14px;color:var(--c-text-2)}
.side-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.side-note{font-size:12.5px;color:var(--c-text-3);border-top:1px solid var(--c-line);padding-top:14px}

/* 对比表 */
.table-wrap{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow-x:auto}
table.compare{width:100%;min-width:660px;border-collapse:collapse}
.compare th{background:var(--c-primary-light);color:var(--c-primary-dark);font-size:15px;font-weight:600;text-align:left;padding:16px 22px;border-bottom:1px solid var(--c-border)}
.compare td{padding:16px 22px;font-size:14.5px;color:var(--c-text-2);border-bottom:1px solid var(--c-line)}
.compare tr:last-child td{border-bottom:0}
.compare td strong{color:var(--c-text);font-weight:600}
.table-note{margin-top:14px;font-size:13px;color:var(--c-text-3)}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:600;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2)}

/* FAQ */
.faq{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;padding:14px 22px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:500;color:var(--c-primary-dark)}
.faq-q:hover{background:var(--c-primary-light)}
.faq-icon{flex:0 0 auto;width:20px;height:20px;color:var(--c-primary);transition:transform .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--c-text-2)}

/* 表单 */
.form-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:28px}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column}
.field-wide{grid-column:1 / -1}
.field label{font-size:13px;color:var(--c-text-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--c-input);border-radius:var(--r-btn);background:#fff;outline:none;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,89,140,.12)}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-hint{font-size:12px;color:var(--c-text-3);max-width:560px;line-height:1.75}
.form-hint a{color:var(--c-text-2);text-decoration:underline;text-underline-offset:3px}
.form-tip{font-size:13.5px;color:var(--c-text-2);margin-top:12px}
.form-tip.is-success{color:#1F7F79}

/* 底部转化条 */
.cta-band{background:var(--c-primary-dark);color:#fff;padding:48px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{color:#fff;font-size:24px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:8px}

/* 页脚 */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-border);padding:56px 0 24px;color:var(--c-text-2)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:10px;font-size:11px}
.footer-brand .logo-text{font-size:16px}
.footer-col p{font-size:13.5px;line-height:1.85}
.footer-col h3{font-size:14px;font-weight:600;color:var(--c-primary-dark);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--c-text-2)}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13px}
.footer-bottom{margin-top:36px;padding-top:18px;border-top:1px solid var(--c-border);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--c-text-3)}

/* 移动端粘性转化 */
.mobile-cta{display:none}

/* 响应式 */
@media (max-width:1279px){
  .header-inner{gap:18px}
  .nav-links{gap:16px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-search{max-width:none}
  .split{grid-template-columns:minmax(0,1fr)}
  .side-card{position:static}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .section{padding:64px 0}
  .page-hero h1{font-size:32px}
}
@media (max-width:767px){
  body{line-height:1.85}
  .container{padding:0 18px}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .site-header.is-scrolled .header-inner{height:auto}
  .logo-divider{display:none}
  .nav-search{order:3;flex:1 1 100%;height:44px}
  .nav-toggle{margin-left:auto}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .page-hero .container{padding-top:36px;padding-bottom:36px}
  .page-hero h1{font-size:28px}
  .hero-actions .btn{flex:1 1 100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--c-border);box-shadow:0 -6px 18px rgba(22,89,140,.08)}
  .mobile-cta .btn{flex:1 1 auto}
  .mobile-cta .btn-icon{flex:0 0 52px;padding:0}
  body{padding-bottom:78px}
}
@media (max-width:520px){
  .steps{grid-template-columns:minmax(0,1fr)}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .page-hero h1{font-size:26px}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a p{padding:0 16px 18px}
  .info-card .card-body{padding:18px}
  .form-card{padding:20px}
  .form-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}