/* roulang page: index */
:root{
  --primary:#1E63D6;
  --primary-hover:#1750B4;
  --primary-active:#12439A;
  --primary-soft:#E8F0FE;
  --accent:#12B886;
  --warn:#FF8A3D;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --border:#E3E9F2;
  --text:#0F1E33;
  --text-2:#5A6B85;
  --text-3:#8A97AB;
  --btn-border:#C9D6E8;
  --input-border:#D5DEEB;
  --r-card:16px;
  --r-md:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,30,51,.06);
  --sh-2:0 6px 18px rgba(15,30,51,.08);
  --sh-3:0 16px 40px rgba(15,30,51,.12);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:600;color:var(--text);}
.section-head p{margin-top:12px;font-size:16px;color:var(--text-2);}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary);font-size:13px;font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--btn-border);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:14px;font-weight:600;min-height:44px;
}
.link-arrow .arw{transition:transform .2s ease-out;display:inline-block;}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700;
  box-shadow:var(--sh-1);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--text-3);}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-item{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;height:68px;padding:0 16px;
  font-size:15px;color:var(--text-2);font-weight:500;position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:14px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--primary);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after,.nav-item:hover .nav-link::after{transform:scaleX(1);}
.nav-caret{font-size:10px;color:var(--text-3);transition:transform .2s ease-out;}
.nav-item:hover .nav-caret{transform:rotate(180deg);color:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--border);
  background:#fff;color:var(--text-2);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.nav-search:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.nav-cta{min-height:44px;padding:11px 22px;font-size:14px;}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}

/* Mega 面板 */
.mega{
  position:absolute;top:100%;left:50%;transform:translate(-50%,10px);
  width:740px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-3);padding:28px;
  display:grid;grid-template-columns:1fr 1fr 1.05fr;gap:28px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.nav-item:hover .mega,.nav-item:focus-within .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,8px);}
.mega-col h4{font-size:13px;font-weight:600;color:var(--text-3);margin-bottom:14px;}
.mega-link{
  display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:var(--r-md);
  transition:background-color .2s ease-out;min-height:44px;
}
.mega-link:hover{background:var(--primary-soft);}
.mega-ico{
  width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;
}
.mega-link strong{display:block;font-size:14px;font-weight:600;color:var(--text);}
.mega-link em{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:2px;line-height:1.5;}
.mega-note{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;
}
.mega-note h4{font-size:13px;color:var(--text-3);font-weight:600;margin-bottom:10px;}
.mega-note p{font-size:13px;color:var(--text-2);line-height:1.7;}
.mega-note .btn{margin-top:14px;width:100%;min-height:44px;padding:11px 16px;font-size:14px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,30,51,.48);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .24s ease-out;
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--border);background:#fff;
  font-size:18px;color:var(--text-2);cursor:pointer;
}
.drawer-link{
  display:block;padding:14px 14px;border-radius:var(--r-md);font-size:16px;color:var(--text);
  border-left:3px solid transparent;min-height:48px;
}
.drawer-link:hover{background:var(--bg);}
.drawer-link.is-active{color:var(--primary);font-weight:600;border-left-color:var(--primary);background:var(--primary-soft);}
.drawer-sub{display:block;padding:11px 14px 11px 26px;font-size:14px;color:var(--text-2);border-radius:var(--r-md);}
.drawer-sub:hover{background:var(--bg);color:var(--primary);}
.drawer .btn{margin-top:18px;width:100%;}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(180deg,#F6F8FB 0%,#FFFFFF 100%);
  padding:72px 0 80px;border-bottom:1px solid var(--border);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--text);}
.hero h1 .hl{color:var(--primary);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.75;color:var(--text-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.trust-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border);font-size:13px;color:var(--text-2);box-shadow:var(--sh-1);
}
.trust-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.hero-media{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--border);
  background:var(--primary-soft);aspect-ratio:16/10;
}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-card);}
.hero-cap{margin-top:12px;font-size:13px;color:var(--text-3);text-align:center;}

/* ===== 痛点区 ===== */
.pain-grid{display:grid;gap:16px;}
.pain-row{
  display:grid;grid-template-columns:110px 1fr;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 28px;transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.pain-row:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.pain-num{
  font-size:44px;font-weight:700;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px #C9D6E8;font-variant-numeric:tabular-nums;
}
.pain-row h3{font-size:19px;font-weight:600;color:var(--text);}
.pain-row p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7;}

/* ===== 方案卡 ===== */
.plan-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch;}
.plan-stack{display:grid;gap:24px;}
.plan-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
  display:flex;flex-direction:column;
}
.plan-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.plan-card:hover h3{color:var(--primary);}
.plan-card h3{transition:color .2s ease-out;}
.plan-media{aspect-ratio:16/10;background:var(--primary-soft);overflow:hidden;}
.plan-media img{width:100%;height:100%;object-fit:cover;}
.plan-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.plan-body h3{font-size:22px;font-weight:600;color:var(--text);line-height:1.4;}
.plan-body p{font-size:15px;color:var(--text-2);line-height:1.75;}
.plan-points{display:grid;gap:10px;margin-top:2px;}
.plan-points li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2);line-height:1.8;}
.plan-points li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--primary);
}
.plan-card .link-arrow{margin-top:auto;}
.plan-small{padding:22px 22px 24px;gap:12px;}
.plan-small .plan-body{padding:0;gap:10px;}
.plan-ico{
  width:40px;height:40px;border-radius:var(--r-md);background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
}
.plan-small h3{font-size:18px;}
.plan-small p{font-size:14px;}
.plan-foot{margin-top:36px;display:flex;justify-content:flex-start;}

/* ===== 数据条 ===== */
.stats{background:var(--primary-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:44px 20px;text-align:center;position:relative;}
.stat + .stat::before{content:"";position:absolute;left:0;top:28%;bottom:28%;width:1px;background:#CBDCF7;}
.stat b{display:block;font-size:40px;font-weight:700;line-height:1.1;color:var(--primary);font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--text-2);}

/* ===== 使用流程 ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 24px;
  position:relative;transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;
  background:var(--bg);border:1px solid var(--border);color:var(--primary);font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{margin-top:16px;font-size:18px;font-weight:600;}
.step p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.news-card:hover .news-title{color:var(--primary);}
.news-media{aspect-ratio:16/9;background:var(--primary-soft);overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:opacity .2s ease-out;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;width:fit-content;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--text);transition:color .2s ease-out;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;
}
.empty-ico{
  width:56px;height:56px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  position:relative;transition:box-shadow .2s ease-out;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background-color .2s ease-out;
}
.faq-item.is-open{box-shadow:var(--sh-2);}
.faq-item.is-open::before{background:var(--primary);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;min-height:56px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--primary);}
.faq-sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;
  transition:transform .2s ease-out;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);}
.faq-a{
  display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ===== 隐私说明 ===== */
.privacy-note{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:32px;
}
.privacy-note h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:12px;}
.privacy-note p{font-size:13px;color:var(--text-3);line-height:1.9;}
.privacy-note p + p{margin-top:8px;}

/* ===== CTA 带 ===== */
.cta-band{
  background:var(--primary-soft);border:1px solid #CBDCF7;border-radius:var(--r-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;font-weight:600;line-height:1.4;color:var(--text);}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px;}
.cta-band .btn{flex-shrink:0;}

/* ===== 页脚 ===== */
.site-footer{background:#0F1E33;color:rgba(255,255,255,.8);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand .brand-name{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.72);padding-left:0;
  border-left:2px solid transparent;padding-left:8px;margin-left:-10px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.footer-col a:hover{color:#fff;border-left-color:var(--primary);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}
.footer-qr{
  margin-top:16px;width:96px;height:96px;border-radius:var(--r-md);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:rgba(255,255,255,.6);text-align:center;padding:10px;
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 弹层 ===== */
.modal-mask{
  position:fixed;inset:0;background:rgba(15,30,51,.48);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  background:#fff;border-radius:var(--r-card);width:100%;max-width:560px;
  box-shadow:var(--sh-3);padding:32px;position:relative;max-height:90vh;overflow-y:auto;
  transform:translateY(12px);transition:transform .2s ease-out;
}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal h3{font-size:22px;font-weight:600;}
.modal .modal-sub{margin-top:8px;font-size:14px;color:var(--text-2);}
.modal-close{
  position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:18px;cursor:pointer;
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.modal-close:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.form-grid{display:grid;gap:16px;margin-top:24px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.req{color:var(--warn);margin-left:4px;}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--input-border);border-radius:var(--r-btn);
  background:#fff;font-size:15px;color:var(--text);transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,99,214,.2);
}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;padding:10px 18px;border-radius:999px;
  border:1px solid var(--btn-border);background:#fff;font-size:14px;color:var(--text-2);cursor:pointer;
  min-height:44px;transition:all .2s ease-out;
}
.pill:hover{border-color:var(--primary);color:var(--primary);}
.pill.is-on{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);font-weight:600;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex-shrink:0;}
.field-error{display:none;margin-top:6px;font-size:14px;color:var(--warn);}
.field.has-error input,.field.has-error select{border-color:var(--warn);}
.field.has-error .field-error{display:block;}
.form-tip{margin-top:14px;font-size:12px;color:var(--text-3);line-height:1.7;}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--sec:72px;}
  .container{padding:0 24px;}
  .nav-main{display:none;}
  .nav-search{display:none;}
  .burger{display:flex;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .plan-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat + .stat::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .nav-wrap{height:60px;}
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .nav-cta{display:none;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .section-head h2{font-size:24px;}
  .section-head--row{flex-direction:column;align-items:flex-start;}
  .pain-row{grid-template-columns:64px 1fr;gap:16px;padding:20px;}
  .pain-num{font-size:32px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{padding:28px 12px;}
  .stat b{font-size:30px;}
  .steps-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .modal{padding:24px;max-width:100%;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal{border-radius:16px 16px 0 0;}
  .hero-cta .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --primary:#1E63D6;
  --primary-hover:#1750B4;
  --primary-active:#12439A;
  --primary-soft:#E8F0FE;
  --accent:#12B886;
  --warn:#FF8A3D;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#0F1E33;
  --text-2:#5A6B85;
  --text-3:#8A97AB;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(15,30,51,.06);
  --shadow-2:0 6px 18px rgba(15,30,51,.08);
  --shadow-3:0 16px 40px rgba(15,30,51,.12);
  --pad-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:40px;line-height:1.25;font-weight:700;}
h2{font-size:30px;line-height:1.35;font-weight:600;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.5;font-weight:600;}
:focus-visible{outline:2px solid rgba(30,99,214,.5);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);
  color:#fff;
  font-weight:700;
  font-size:19px;
  border-radius:12px;
  box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:12px;color:var(--text-3);white-space:nowrap;}

.nav-main{display:flex;align-items:center;gap:4px;}
.nav-item{position:relative;}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:12px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  position:relative;
  transition:color .2s ease-out,background .2s ease-out;
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.nav-caret{font-size:10px;color:var(--text-3);transition:transform .2s ease-out;}
.nav-item:hover .nav-caret{transform:rotate(180deg);color:var(--primary);}

.mega{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  width:780px;
  max-width:calc(100vw - 64px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-3);
  padding:28px;
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.nav-item:hover .mega,
.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega::before{
  content:"";
  position:absolute;
  left:0;right:0;top:-8px;height:8px;
}
.mega h4{
  font-size:13px;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:12px;
}
.mega-link{
  display:flex;
  gap:12px;
  padding:10px;
  border-radius:10px;
  transition:background .2s ease-out;
}
.mega-link:hover{background:var(--bg);}
.mega-ico{
  width:30px;height:30px;
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:9px;
  font-size:13px;
  font-weight:700;
}
.mega-link strong{display:block;font-size:14px;color:var(--text);font-weight:600;}
.mega-link em{display:block;font-style:normal;font-size:12px;color:var(--text-3);line-height:1.6;}
.mega-note{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:20px;
}
.mega-note p{font-size:13px;color:var(--text-2);margin:8px 0 16px;line-height:1.7;}

.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  color:var(--text-2);
  cursor:pointer;
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:none;
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  min-height:44px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border:1.5px solid #C9D6E8;
}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.link-arrow i{transition:transform .2s ease-out;font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

.burger{display:none;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(15,30,51,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s;
  z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:86%;
  max-width:380px;
  height:100%;
  background:#fff;
  z-index:210;
  transform:translateX(100%);
  transition:transform .24s ease-out;
  padding:24px 20px 40px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-nav a{
  display:block;
  padding:14px 12px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;border-left:3px solid var(--primary);}
.drawer-sub{padding:0 12px 8px;}
.drawer-sub a{
  display:block;
  font-size:14px;
  color:var(--text-3);
  padding:10px 0;
  border:none;
}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:16px 0;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
}
.crumb a{color:var(--text-2);transition:color .2s ease-out;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--text);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{
  background:#fff;
  padding:48px 0 40px;
  border-bottom:1px solid var(--line);
}
.article-head-inner{max-width:860px;margin:0 auto;}
.article-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.article-title{
  font-size:34px;
  line-height:1.35;
  font-weight:700;
  color:var(--text);
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  font-size:13px;
  color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--primary);font-size:12px;}
.article-divider{height:1px;background:var(--line);margin-top:26px;}

/* ---------- 正文布局 ---------- */
.article-body{padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
  justify-content:center;
}
.article-main{
  max-width:800px;
  margin:0 auto;
  width:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:44px 48px;
  box-shadow:var(--shadow-1);
}
.article-content{font-size:17px;line-height:1.9;color:#22304A;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;
  font-size:24px;
  font-weight:600;
  line-height:1.4;
  color:var(--text);
  margin:40px 0 16px;
  padding-left:14px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--primary);
}
.article-content h3{
  font-size:18px;
  font-weight:600;
  color:var(--text);
  margin:28px 0 12px;
}
.article-content ul,
.article-content ol{margin:0 0 1.2em;padding-left:4px;}
.article-content ul li,
.article-content ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  color:#22304A;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--primary);
}
.article-content ol{counter-reset:item;}
.article-content ol li::before{
  counter-increment:item;
  content:counter(item);
  position:absolute;
  left:0;top:.35em;
  font-size:13px;
  color:var(--primary);
  font-weight:700;
}
.article-content blockquote{
  background:var(--bg);
  border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;
  padding:20px;
  margin:0 0 1.4em;
  color:var(--text-2);
  font-size:16px;
}
.article-content img{border-radius:12px;margin:20px 0;width:100%;height:auto;background:var(--primary-soft);}
.article-content figure{margin:24px 0;}
.article-content figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  margin-top:10px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.4em;
  font-size:15px;
}
.article-content th,
.article-content td{
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-content th{background:var(--bg);font-weight:600;color:var(--text);}
.article-content tbody tr:nth-child(even){background:#FAFCFF;}
.article-content pre{
  background:#F1F4F9;
  border-radius:8px;
  padding:18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:0 0 1.4em;
}
.article-content code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  background:#F1F4F9;
  border-radius:4px;
  padding:2px 6px;
  font-size:14px;
}
.article-content pre code{background:none;padding:0;}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(30,99,214,.3);}
.article-content a:hover{border-bottom-color:var(--primary);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:64px 24px;
}
.empty-ico{
  width:72px;height:72px;
  margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:50%;
  font-size:28px;
}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- 文末区块 ---------- */
.article-foot{
  border-top:1px solid var(--line);
  padding-top:32px;
  margin-top:40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.related{padding:0 0 72px;}
.related-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.related-head h2{font-size:24px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  padding:20px;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.news-card:hover .news-title{color:var(--primary);}
.news-thumb{
  aspect-ratio:16 / 9;
  border-radius:12px;
  overflow:hidden;
  background:var(--primary-soft);
  border:1px solid var(--line);
  margin-bottom:16px;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-badge{
  display:inline-block;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:12px;
  align-self:flex-start;
}
.news-title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--text);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease-out;
}
.news-desc{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:14px;
}
.news-time{
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:6px;
  margin-top:auto;
}
.news-time i{color:var(--primary);font-size:12px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--primary-soft);
  border-radius:var(--radius-card);
  padding:40px 44px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  margin:0 0 72px;
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-2);}

/* ---------- 隐私说明 ---------- */
.privacy-note{
  padding:0 0 64px;
}
.privacy-note h4{font-size:15px;color:var(--text);margin-bottom:10px;}
.privacy-note p{font-size:13px;color:var(--text-3);line-height:1.9;margin-bottom:6px;}

/* ---------- 表单弹层 ---------- */
.modal-mask{
  position:fixed;
  inset:0;
  background:rgba(15,30,51,.48);
  z-index:300;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:100%;
  max-width:560px;
  background:#fff;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-3);
  padding:32px;
  position:relative;
  max-height:88vh;
  overflow-y:auto;
  transform:translateY(10px);
  transition:transform .2s ease-out;
}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal-close{
  position:absolute;
  top:12px;right:12px;
  width:44px;height:44px;
  border:none;
  background:transparent;
  color:var(--text-3);
  font-size:18px;
  cursor:pointer;
  border-radius:10px;
  transition:background .2s ease-out,color .2s ease-out;
}
.modal-close:hover{background:var(--bg);color:var(--primary);}
.modal h3{font-size:22px;margin-bottom:6px;}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.field .req{color:var(--warn);margin-left:4px;}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid #D5DEEB;
  border-radius:var(--radius-btn);
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field input,
.field select{height:46px;}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(30,99,214,.2);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{border-color:var(--warn);}
.err-tip{font-size:14px;color:var(--warn);margin-top:8px;display:none;}
.field.has-error .err-tip{display:block;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:9px 16px;
  border:1px solid #D5DEEB;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  background:#fff;
  cursor:pointer;
  transition:all .2s ease-out;
  min-height:40px;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-on{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);font-weight:600;}
.agree{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  margin:18px 0 20px;
}
.agree input{width:18px;height:18px;accent-color:var(--primary);margin-top:3px;flex-shrink:0;}
.modal-foot{font-size:12px;color:var(--text-3);line-height:1.8;margin-top:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0F1E33;
  color:rgba(255,255,255,.8);
  padding:72px 0 28px;
  margin-top:16px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a,
.footer-contact p{
  font-size:14px;
  color:rgba(255,255,255,.72);
  display:inline-block;
  padding-left:0;
  transition:color .2s ease-out,padding .2s ease-out,border-color .2s ease-out;
  border-left:2px solid transparent;
}
.footer-col ul a:hover,
.footer-contact a:hover{
  color:#fff;
  padding-left:8px;
  border-left-color:var(--primary);
}
.footer-contact p{margin-bottom:8px;}
.footer-qr{
  margin-top:14px;
  width:120px;
  height:120px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.28);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  color:rgba(255,255,255,.7);
  line-height:1.6;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .mega{width:720px;}
}
@media (max-width:1023px){
  h1{font-size:32px;}
  :root{--pad-section:72px;}
  .nav-main{display:none;}
  .burger{display:flex;}
  .nav-tools .btn{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-title{font-size:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .article-main{padding:32px 28px;}
  .cta-band{padding:32px 28px;}
  .mega{display:none;}
}
@media (max-width:639px){
  body{font-size:15px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  .container{padding:0 16px;}
  .brand-sub{display:none;}
  .brand-name{font-size:15px;white-space:normal;max-width:170px;line-height:1.25;}
  .article-body{padding:32px 0 48px;}
  .article-head{padding:28px 0 24px;}
  .article-title{font-size:22px;}
  .article-main{padding:24px 18px;border-radius:12px;}
  .article-content{font-size:16px;line-height:1.85;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 20px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .crumb .current{max-width:200px;}
  .modal{padding:24px 20px;max-height:92vh;}
  .modal-mask{align-items:flex-end;padding:0;}
  .modal{border-radius:16px 16px 0 0;max-width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#1E63D6;
  --c-primary-hover:#1750B4;
  --c-primary-active:#12439A;
  --c-primary-soft:#E8F0FE;
  --c-accent:#12B886;
  --c-warn:#FF8A3D;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-border:#E3E9F2;
  --c-border-strong:#C9D6E8;
  --c-input:#D5DEEB;
  --c-text:#0F1E33;
  --c-text-2:#5A6B85;
  --c-text-3:#8A97AB;
  --c-footer:#0F1E33;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,30,51,.06);
  --sh-2:0 6px 18px rgba(15,30,51,.08);
  --sh-3:0 16px 40px rgba(15,30,51,.12);
  --sec-y:88px;
  --t:.2s ease-out;
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:600;color:var(--c-text);line-height:1.35;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec-y) 0;}
.section--tight{padding:56px 0;}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head p{margin-top:12px;color:var(--c-text-2);font-size:16px;max-width:760px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  line-height:1.2;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
  min-height:46px;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:focus-visible{box-shadow:0 0 0 4px rgba(30,99,214,.3);}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-border-strong);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:#fff;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
}
.link-arrow i{font-size:12px;transition:transform var(--t);}
.link-arrow:hover{color:var(--c-primary-hover);}
.link-arrow:hover i{transform:translateX(4px);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  line-height:1.4;
}
.badge--accent{background:rgba(18,184,134,.12);color:#0E9B72;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,30,51,.08);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:700;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16px;font-weight:700;color:var(--c-text);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--c-text-3);white-space:nowrap;}

.nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-item{position:relative;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-text-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-14px;
  height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-caret{font-size:9px;color:var(--c-text-3);transition:transform var(--t);}
.nav-item:hover .nav-caret{transform:rotate(180deg);color:var(--c-primary);}

.mega{
  position:absolute;
  top:100%;
  left:0;
  width:780px;
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:24px;
  padding:28px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:16px;
  box-shadow:var(--sh-3);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
  z-index:90;
}
.nav-item:hover .mega,
.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{
  font-size:12px;color:var(--c-text-3);font-weight:600;
  text-transform:none;margin-bottom:14px;
}
.mega-link{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px;border-radius:12px;
  transition:background var(--t);
}
.mega-link:hover{background:var(--c-bg);}
.mega-link:hover strong{color:var(--c-primary);}
.mega-ico{
  width:32px;height:32px;flex-shrink:0;
  border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;
}
.mega-link span{display:block;}
.mega-link strong{display:block;font-size:14px;font-weight:600;color:var(--c-text);line-height:1.5;transition:color var(--t);}
.mega-link em{display:block;font-style:normal;font-size:12px;color:var(--c-text-3);line-height:1.6;margin-top:2px;}
.mega-note{
  background:var(--c-primary-soft);
  border-radius:12px;
  padding:20px;
}
.mega-note h4{font-size:15px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.mega-note p{font-size:13px;color:var(--c-text-2);line-height:1.7;margin-bottom:16px;}
.mega-note .btn{padding:11px 18px;font-size:14px;width:100%;}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  color:var(--c-text-2);font-size:16px;
  transition:background var(--t),color var(--t);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-actions .btn{padding:12px 20px;font-size:15px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;color:var(--c-text);font-size:18px;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;
  max-width:400px;background:#fff;z-index:120;
  transform:translateX(100%);
  transition:transform .24s ease-out;
  box-shadow:var(--sh-3);
  padding:24px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,30,51,.48);
  z-index:110;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:18px;color:var(--c-text-2);}
.drawer-nav a{
  display:block;padding:16px 12px;border-bottom:1px solid var(--c-border);
  font-size:16px;color:var(--c-text);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--c-primary);padding-left:16px;}
.drawer-nav a:hover{color:var(--c-primary);}

/* ============ 页面头部 ============ */
.page-hero{
  background:linear-gradient(180deg,#F6F8FB 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--c-border);
  padding:56px 0 52px;
}
.crumb{font-size:13px;color:var(--c-text-2);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:var(--c-text-3);}
.crumb strong{color:var(--c-text);font-weight:600;}
.page-hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;}
.page-hero h1{font-size:40px;line-height:1.25;font-weight:700;}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.page-hero .lede{margin-top:20px;font-size:16px;color:var(--c-text-2);max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-border);
  font-size:13px;color:var(--c-text-2);box-shadow:var(--sh-1);
}
.hero-tags span i{color:var(--c-accent);font-size:12px;}
.hero-media{border-radius:16px;overflow:hidden;border:1px solid var(--c-border);box-shadow:var(--sh-2);background:var(--c-primary-soft);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 分类页主体：左锚点 + 右长内容 ============ */
.cat-layout{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:48px;
  padding:64px 0 24px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:92px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px 20px;
  box-shadow:var(--sh-1);
}
.anchor-nav h3{font-size:13px;color:var(--c-text-3);font-weight:600;margin-bottom:14px;}
.anchor-nav ol{display:flex;flex-direction:column;gap:2px;counter-reset:anchor;}
.anchor-nav a{
  display:block;
  padding:11px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--c-text-2);
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.anchor-nav a:hover{background:var(--c-bg);color:var(--c-primary);}
.anchor-nav a.is-current{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600;}

.content-area{min-width:0;}
.topic-block{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:36px;
  margin-bottom:24px;
  box-shadow:var(--sh-1);
  scroll-margin-top:96px;
}
.topic-block > h2{
  font-size:26px;line-height:1.35;position:relative;
  padding-left:16px;margin-bottom:18px;
}
.topic-block > h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:4px;background:var(--c-primary);
}
.topic-block h3{font-size:18px;line-height:1.5;margin:26px 0 10px;}
.topic-block p{color:var(--c-text-2);font-size:16px;line-height:1.85;margin-bottom:16px;}
.topic-block p strong{color:var(--c-text);font-weight:600;}

.check-list{display:flex;flex-direction:column;gap:12px;margin:20px 0;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--c-text-2);line-height:1.75;
}
.check-list li i{color:var(--c-primary);font-size:13px;margin-top:7px;flex-shrink:0;}
.check-list li b{color:var(--c-text);font-weight:600;}

.step-list{display:flex;flex-direction:column;gap:18px;margin:22px 0;counter-reset:step;}
.step-list li{
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;
  align-items:start;
}
.step-list .step-no{
  width:40px;height:40px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step-list h4{font-size:16px;font-weight:600;margin-bottom:6px;}
.step-list p{font-size:15px;color:var(--c-text-2);margin-bottom:0;line-height:1.75;}

.note-card{
  display:flex;gap:14px;
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-left:4px solid var(--c-warn);
  border-radius:12px;
  padding:20px;
  margin:24px 0 4px;
}
.note-card i{color:var(--c-warn);font-size:16px;margin-top:3px;}
.note-card p{font-size:14px;color:var(--c-text-2);line-height:1.8;margin:0;}
.note-card strong{color:var(--c-text);}

.tip-card{
  display:flex;gap:14px;
  background:var(--c-primary-soft);
  border-radius:12px;
  padding:20px;
  margin:24px 0 4px;
}
.tip-card i{color:var(--c-primary);font-size:16px;margin-top:3px;}
.tip-card p{font-size:14px;color:var(--c-text-2);line-height:1.8;margin:0;}
.tip-card strong{color:var(--c-text);}

.table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--c-border);border-radius:12px;}
table.msg-table{min-width:560px;font-size:14px;}
table.msg-table th{
  background:var(--c-bg);color:var(--c-text);font-weight:600;
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--c-border);
  white-space:nowrap;
}
table.msg-table td{
  padding:14px 18px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);line-height:1.7;
}
table.msg-table tr:last-child td{border-bottom:0;}
table.msg-table tr:nth-child(even) td{background:#FBFCFE;}
table.msg-table td:first-child{color:var(--c-text);font-weight:600;white-space:nowrap;}

.inline-figure{margin:24px 0 8px;}
.inline-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid var(--c-border);}
.inline-figure figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;}

/* FAQ */
.faq-wrap{margin-top:8px;}
.faq-item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow var(--t);
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--c-primary),var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;
  min-height:56px;padding:16px 56px 16px 20px;
  font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  font-size:20px;line-height:1;color:var(--c-primary);
  transition:transform var(--t);
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--c-primary);}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--c-text-2);line-height:1.8;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);
  padding:48px 0;
  margin-top:40px;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;line-height:1.4;}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--c-text-2);max-width:640px;}

/* ============ 隐私说明 ============ */
.privacy-note{padding:40px 0 64px;}
.privacy-note h3{font-size:16px;font-weight:600;margin-bottom:10px;}
.privacy-note p{font-size:13px;color:var(--c-text-3);line-height:1.9;max-width:900px;margin-bottom:6px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.8);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  display:inline-block;padding-left:0;transition:color var(--t),padding-left var(--t);
}
.footer-col a:hover{color:#fff;padding-left:6px;box-shadow:inset 2px 0 0 var(--c-primary);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-qr{
  margin-top:16px;width:120px;height:120px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.32);
  display:grid;place-items:center;text-align:center;
  font-size:12px;color:rgba(255,255,255,.6);line-height:1.6;
}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 弹层 ============ */
.modal-mask{
  position:fixed;inset:0;background:rgba(15,30,51,.48);
  z-index:200;display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-card{
  width:100%;max-width:560px;background:#fff;border-radius:var(--r-card);
  box-shadow:var(--sh-3);padding:32px;position:relative;
  max-height:90vh;overflow-y:auto;
  transform:translateY(10px);transition:transform var(--t);
}
.modal-mask.is-open .modal-card{transform:translateY(0);}
.modal-close{
  position:absolute;top:12px;right:12px;
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;color:var(--c-text-3);font-size:18px;
}
.modal-close:hover{background:var(--c-bg);color:var(--c-text);}
.modal-card h3{font-size:22px;font-weight:600;}
.modal-sub{font-size:14px;color:var(--c-text-2);margin-top:8px;margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field label .req{color:var(--c-warn);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-input);border-radius:10px;
  background:#fff;font-size:15px;color:var(--c-text);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(30,99,214,.2);
}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill-group label{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-input);background:#fff;
  font-size:14px;font-weight:500;color:var(--c-text-2);cursor:pointer;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.pill-group input{display:none;}
.pill-group label:hover{border-color:var(--c-primary);color:var(--c-primary);}
.pill-group input:checked + span{color:var(--c-primary);}
.pill-group label:has(input:checked){border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-text-2);line-height:1.7;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex-shrink:0;}
.modal-foot{font-size:12px;color:var(--c-text-3);margin-top:14px;line-height:1.7;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .mega{width:660px;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .nav-main{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions .btn{display:none;}
  .cat-layout{grid-template-columns:1fr;gap:28px;padding:48px 0 16px;}
  .anchor-nav{
    position:static;
    padding:16px;
    overflow-x:auto;
  }
  .anchor-nav h3{display:none;}
  .anchor-nav ol{flex-direction:row;gap:8px;white-space:nowrap;}
  .anchor-nav a{border-left:0;border-radius:var(--r-pill);background:var(--c-bg);}
  .anchor-nav a.is-current{background:var(--c-primary-soft);}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  :root{--sec-y:48px;}
  .page-hero{padding:36px 0 32px;}
  .page-hero h1{font-size:28px;}
  .topic-block{padding:24px 20px;}
  .topic-block > h2{font-size:22px;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-card{max-width:none;border-radius:16px 16px 0 0;padding:24px 20px 28px;max-height:92vh;}
  .btn{width:100%;}
  .cta-inner .btn{width:100%;}
  .hero-tags span{font-size:12px;}
}
@media (max-width:519px){
  .brand-sub{display:none;}
  .brand-name{font-size:15px;}
  .page-hero h1{font-size:26px;}
  .step-list li{grid-template-columns:32px minmax(0,1fr);gap:12px;}
  .step-list .step-no{width:32px;height:32px;border-radius:9px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --brand:#1E63D6;
  --brand-dark:#1750B4;
  --brand-press:#12439A;
  --brand-soft:#E8F0FE;
  --accent:#12B886;
  --warn:#FF8A3D;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --line-strong:#C9D6E8;
  --text:#0F1E33;
  --text-2:#5A6B85;
  --text-3:#8A97AB;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(15,30,51,.06);
  --sh-2:0 6px 18px rgba(15,30,51,.08);
  --sh-3:0 16px 40px rgba(15,30,51,.12);
  --sec-pad:88px;
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);object-fit:cover;background:var(--brand-soft);}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
figure{margin:0;}
h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--text);}
h2{font-size:30px;line-height:1.35;font-weight:600;color:var(--text);}
h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--text);}
h4{font-size:16px;line-height:1.5;font-weight:600;color:var(--text);}
:focus-visible{outline:2px solid rgba(30,99,214,.5);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.grid-container{max-width:1200px;}
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#FFFFFF;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-title{margin-bottom:12px;}
.section-sub{font-size:16px;color:var(--text-2);line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:14px 28px;
  border-radius:var(--r-sm);
  font-size:16px;
  font-weight:600;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--brand-press);transform:none;}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--line-strong);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);}
.btn-sm{min-height:42px;padding:10px 20px;font-size:15px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  min-height:44px;
}
.link-more span{display:inline-block;transition:transform .2s ease-out;}
.link-more:hover span{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-size:18px;
  font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:700;color:var(--text);}
.brand-sub{font-size:12px;color:var(--text-3);}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-item{position:relative;}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:var(--nav-h);
  padding:0 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-bottom:2px solid transparent;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);font-weight:600;border-bottom-color:var(--brand);}
.nav-caret{font-size:10px;color:var(--text-3);transition:transform .2s ease-out;}
.nav-item:hover .nav-caret{transform:rotate(180deg);}
.mega{
  position:absolute;
  top:calc(100% + 8px);
  left:50%;
  transform:translateX(-50%) translateY(6px);
  width:min(760px,calc(100vw - 64px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:28px;
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.nav-item:hover .mega,
.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-col h4{margin-bottom:12px;font-size:14px;color:var(--text-3);font-weight:600;}
.mega-link{
  display:flex;
  gap:10px;
  padding:10px;
  border-radius:var(--r-md);
  transition:background-color .2s ease-out;
}
.mega-link:hover{background:var(--brand-soft);}
.mega-ico{
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
}
.mega-link strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;}
.mega-link em{display:block;font-style:normal;font-size:12px;color:var(--text-3);line-height:1.6;}
.mega-note{background:var(--brand-soft);border-radius:var(--r-md);padding:18px;}
.mega-note h4{color:var(--brand);}
.mega-note p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:14px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  padding:0 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(15,30,51,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:86%;
  max-width:360px;
  background:#fff;
  z-index:90;
  padding:20px;
  transform:translateX(100%);
  transition:transform .24s ease-out;
  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);margin-bottom:16px;}
.drawer-link{
  display:block;
  padding:14px 12px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  color:var(--text);
  border-left:3px solid transparent;
}
.drawer-link.is-active{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}
.drawer-link:hover{background:var(--bg);}
.drawer-sub{padding:6px 0 10px 16px;}
.drawer-sub a{display:block;padding:10px 12px;font-size:14px;color:var(--text-2);border-left:3px solid transparent;}
.drawer-sub a:hover{color:var(--brand);border-left-color:var(--brand);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb em{font-style:normal;font-weight:600;color:var(--text);}

/* ---------- 页面头部 ---------- */
.page-hero{
  background:linear-gradient(180deg,#F6F8FB 0%,#FFFFFF 100%);
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.page-hero-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.page-hero h1{margin-bottom:16px;}
.page-hero-desc{font-size:17px;color:var(--text-2);line-height:1.85;max-width:640px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 16px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:500;
}
.page-hero-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.page-hero-media img{width:100%;aspect-ratio:16/10;border-radius:0;}

/* ---------- 胶囊标签 ---------- */
.pill-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:32px;
}
.pill{
  padding:10px 20px;
  min-height:44px;
  border-radius:999px;
  border:1.5px solid var(--line-strong);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:all .2s ease-out;
}
.pill:hover{border-color:var(--brand);color:var(--brand);}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--sh-2);}

/* ---------- 卡片矩阵 ---------- */
.card-matrix{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#D6E2F5;}
.card:hover h3{color:var(--brand);}
.card-lead{grid-row:span 2;grid-column:span 1;}
.card-lead .card-media img{width:100%;aspect-ratio:16/10;border-radius:0;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-lead .card-body{padding:28px;}
.badge{
  align-self:flex-start;
  padding:5px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.8;}
.card-body .link-more{margin-top:auto;padding-left:0;}
.icon-badge{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:18px;
}
.icon-badge.green{background:rgba(18,184,134,.12);color:var(--accent);}
.icon-badge.orange{background:rgba(255,138,61,.14);color:var(--warn);}
.point-list{margin-top:4px;display:flex;flex-direction:column;gap:8px;}
.point-list li{position:relative;padding-left:18px;font-size:15px;color:var(--text-2);line-height:1.75;}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--brand);
}

/* ---------- 数据横条 ---------- */
.stat-band{
  background:var(--brand-soft);
  padding:56px 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:0 24px;
  border-right:1px solid rgba(30,99,214,.16);
  text-align:center;
}
.stat:last-child{border-right:0;}
.stat-num{
  display:block;
  font-size:40px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-label{display:block;margin-top:6px;font-size:14px;color:var(--text-2);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.flow-item:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.flow-item::after{
  content:"";
  position:absolute;
  top:52px;
  right:-14px;
  width:28px;
  height:2px;
  background:var(--line-strong);
}
.flow-item:last-child::after{display:none;}
.flow-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow-body h3{font-size:18px;margin-bottom:8px;}
.flow-body p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.split-media img{width:100%;aspect-ratio:4/3;border-radius:0;}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:8px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8;}
.check-list i{
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:24px;
  height:24px;
  margin-top:2px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
}
.check-list strong{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.is-open{border-color:#CFE0F8;box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  min-height:56px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:transparent;
  transition:background-color .2s ease-out;
}
.faq-item.is-open .faq-q::before{background:var(--brand);}
.faq-icon{
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:16px;
  font-weight:700;
  transition:transform .2s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-soft);
  border-top:1px solid #D8E6FB;
  border-bottom:1px solid #D8E6FB;
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-text h2{font-size:26px;margin-bottom:8px;}
.cta-text p{font-size:15px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 隐私说明 ---------- */
.privacy-note{
  padding:40px 0 0;
}
.privacy-note h3{font-size:16px;margin-bottom:10px;color:var(--text);}
.privacy-note p{font-size:13px;color:var(--text-3);line-height:1.9;max-width:900px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1E33;color:rgba(255,255,255,.8);padding:64px 0 28px;margin-top:88px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand);}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.8);
  padding-left:0;
  border-left:2px solid transparent;
  transition:color .2s ease-out,border-color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a:hover{color:#fff;border-left-color:var(--brand);padding-left:8px;}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.75);margin-bottom:6px;}
.footer-qr{
  margin-top:14px;
  width:110px;
  height:110px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.28);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(15,30,51,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;
}
.modal.is-open{opacity:1;visibility:visible;}
.modal-panel{
  position:relative;
  width:100%;
  max-width:560px;
  max-height:90vh;
  overflow-y:auto;
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:32px;
  transform:translateY(12px);
  transition:transform .24s ease-out;
}
.modal.is-open .modal-panel{transform:translateY(0);}
.modal-close{
  position:absolute;
  top:12px;
  right:12px;
  width:44px;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-sm);
  color:var(--text-3);
  font-size:18px;
}
.modal-close:hover{background:var(--bg);color:var(--text);}
.modal-panel h2{font-size:22px;margin-bottom:6px;}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.req{color:var(--warn);font-style:normal;}
.field input[type="text"],
.field input[type="tel"],
.field textarea,
.field select{
  width:100%;
  min-height:46px;
  padding:12px 14px;
  border:1px solid #D5DEEB;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--text);
  background:#fff;
  font-family:inherit;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(30,99,214,.2);
}
.field.has-error input,.field.has-error textarea{border-color:var(--warn);}
.field-err{display:none;margin-top:8px;font-size:14px;color:var(--warn);}
.field.has-error .field-err{display:block;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{position:relative;display:inline-flex;}
.chip input{position:absolute;opacity:0;width:1px;height:1px;}
.chip span{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 18px;
  border-radius:999px;
  border:1.5px solid var(--line-strong);
  background:#fff;
  font-size:14px;
  color:var(--text-2);
  transition:all .2s ease-out;
}
.chip input:checked + span{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);font-weight:600;}
.chip input:focus-visible + span{outline:2px solid rgba(30,99,214,.5);outline-offset:2px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0;}
.form-foot-note{margin-top:14px;font-size:12px;color:var(--text-3);line-height:1.7;}
.form-success{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--r-sm);
  background:rgba(18,184,134,.12);
  color:#0B7A58;
  font-size:14px;
}
.form-success.is-visible{display:block;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-pad:72px;--nav-h:64px;}
  .container{padding:0 24px;}
  h1{font-size:32px;}
  h2{font-size:26px;}
  .nav-main{display:none;}
  .nav-toggle{display:flex;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .card-matrix{grid-template-columns:repeat(2,1fr);}
  .card-lead{grid-column:span 2;grid-row:auto;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-item::after{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat{border-right:0;}
  .stat:nth-child(odd){border-right:1px solid rgba(30,99,214,.16);}
  .stat-num{font-size:34px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .brand-sub{display:none;}
}
@media (max-width:519px){
  :root{--sec-pad:48px;}
  .container{padding:0 16px;}
  .card-matrix{grid-template-columns:1fr;}
  .card-lead{grid-column:span 1;}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .brand-name{font-size:15px;}
  .modal{padding:0;align-items:flex-end;}
  .modal-panel{max-width:none;border-radius:var(--r-lg) var(--r-lg) 0 0;padding:24px;max-height:92vh;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .pill{flex:1 1 auto;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}