/* roulang page: index */
:root{
  --brand:#E4572E;
  --brand-dark:#B93F1C;
  --brand-light:#FDEBE4;
  --brand-grad:linear-gradient(135deg,#E4572E 0%,#F2A03B 100%);
  --green:#1F6F5C;
  --green-soft:rgba(31,111,92,.12);
  --lime:#D8F14A;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --dark-2:#1D2025;
  --line:#E6E2DC;
  --text:#16181C;
  --text-2:#5A6068;
  --text-3:#8B9199;
  --text-on-dark:#F2F0ED;
  --text-on-dark-2:rgba(242,240,237,.68);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 16px 36px rgba(20,22,26,.10);
  --container:1200px;
  --brand-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
input,select,textarea{appearance:none;-webkit-appearance:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 16px;width:100%;}
.row{max-width:var(--container);}
.row .column{padding-left:.9375rem;padding-right:.9375rem;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 22px rgba(228,87,46,.22);}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(228,87,46,.28);background:linear-gradient(135deg,#B93F1C 0%,#E4572E 100%);}
.btn--primary:active{transform:translateY(0);}
.btn--outline{background:#fff;border-color:var(--green);color:var(--green);}
.btn--outline:hover{background:var(--green-soft);color:var(--green);transform:translateY(-2px);}
.btn--outline:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--brand);padding:12px 4px;}
.btn--ghost:hover{color:var(--brand-dark);gap:12px;}
.btn--white{background:#fff;color:var(--brand-dark);box-shadow:0 10px 24px rgba(20,22,26,.14);}
.btn--white:hover{color:var(--brand-dark);transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.6;}
.tag--green{background:var(--green-soft);color:var(--green);}
.tag--brand{background:var(--brand-light);color:var(--brand-dark);}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;}
.badge--lime{background:rgba(216,241,74,.16);color:var(--lime);border:1px solid rgba(216,241,74,.32);}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;}
.brand-bar{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
body.is-scrolled .brand-bar{box-shadow:0 6px 20px rgba(20,22,26,.08);}
body.is-scrolled{--brand-h:52px;}
.brand-bar__inner{display:flex;align-items:center;gap:20px;height:var(--brand-h);transition:height .25s ease;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.04em;}
.logo__text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo:hover .logo__text{color:var(--brand);}
.search-box{position:relative;flex:1;max-width:340px;}
.search-box input{width:100%;height:40px;border-radius:999px;border:1px solid var(--line);background:#F7F5F2;padding:0 46px 0 16px;font-size:14px;transition:all .2s ease;}
.search-box input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(228,87,46,.12);}
.search-box button{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:30px;height:30px;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:12px;cursor:pointer;display:grid;place-items:center;}
.brand-bar__contact{margin-left:auto;font-size:12.5px;color:var(--text-3);line-height:1.5;text-align:right;}
.brand-bar__contact strong{display:block;font-size:15px;color:var(--text);font-weight:700;letter-spacing:.01em;}
.brand-bar .btn--primary{margin-left:4px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);cursor:pointer;place-items:center;font-size:16px;}
.channel-bar{background:#FBFAF8;border-bottom:1px solid var(--line);}
.channel-bar__inner{display:flex;align-items:center;height:52px;gap:16px;}
.channel-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;width:100%;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:14.5px;color:var(--text-2);white-space:nowrap;transition:all .2s ease;}
.channel-list a:hover{background:var(--brand-light);color:var(--brand-dark);}
.channel-list a.is-active{background:var(--brand);color:#fff;font-weight:600;}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);}
.mobile-panel.is-open{display:block;}
.mobile-panel ul{padding:6px 16px 0;}
.mobile-panel li a{display:block;padding:14px 2px;font-size:15px;border-bottom:1px solid var(--line);color:var(--text-2);}
.mobile-panel li a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .mobile-cta{padding:16px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--dark);color:var(--text-on-dark);overflow:hidden;}
.hero__bg{position:absolute;inset:0;background-image:linear-gradient(96deg,rgba(20,22,26,.95) 0%,rgba(20,22,26,.82) 46%,rgba(20,22,26,.46) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:74px;padding-bottom:84px;}
.hero__title{font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:20px 0 18px;color:#fff;}
.hero__sub{font-size:17px;line-height:1.8;color:var(--text-on-dark-2);max-width:560px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:32px;}
.hero__points li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-on-dark-2);}
.hero__points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 6px;}
.hero__visual{position:relative;}
.hero__figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(242,240,237,.16);box-shadow:0 24px 60px rgba(0,0,0,.35);}
.hero__figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero__stats{position:absolute;left:-18px;bottom:-24px;display:flex;gap:10px;flex-wrap:wrap;max-width:calc(100% + 36px);}
.stat-chip{background:rgba(255,255,255,.97);border-radius:14px;padding:10px 16px;box-shadow:var(--shadow);color:var(--text);}
.stat-chip b{display:block;font-size:18px;font-weight:800;color:var(--brand);line-height:1.2;}
.stat-chip span{font-size:12px;color:var(--text-3);}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--dark);color:var(--text-on-dark);}
.section--paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;}
.section-head--center{margin:0 auto;text-align:center;}
.section-head h2{font-size:32px;line-height:1.32;font-weight:700;letter-spacing:-.01em;margin:12px 0 0;}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);}
.section--dark .section-head p{color:var(--text-on-dark-2);}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- 痛点提问 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;}
.pain-card{background:var(--dark-2);border:1px solid rgba(242,240,237,.10);border-radius:var(--radius-md);padding:26px 22px;transition:transform .2s ease,border-color .2s ease;}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(216,241,74,.32);}
.pain-card__index{width:34px;height:34px;border-radius:50%;background:rgba(216,241,74,.14);color:var(--lime);display:grid;place-items:center;font-weight:800;font-size:14px;margin-bottom:16px;}
.pain-card h3{font-size:17px;font-weight:600;color:var(--text-on-dark);line-height:1.5;}
.pain-card p{margin-top:10px;font-size:14px;color:var(--text-on-dark-2);line-height:1.75;}
.pain-foot{margin-top:36px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--text-on-dark-2);font-size:14.5px;}

/* ---------- 方案卡 ---------- */
.plan-grid{margin-top:44px;}
.plan-col{padding-bottom:0;}
.plan-card--main{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;}
.plan-card--main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.plan-card__media{position:relative;overflow:hidden;}
.plan-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.plan-card--main:hover .plan-card__media img{transform:scale(1.04);}
.plan-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,26,0) 45%,rgba(20,22,26,.55) 100%);}
.plan-card__body{padding:28px;display:flex;flex-direction:column;flex:1;}
.plan-card__body h3{font-size:22px;font-weight:700;line-height:1.4;}
.plan-card__body > p{margin-top:10px;font-size:15px;color:var(--text-2);}
.plan-list{margin:18px 0 22px;display:grid;gap:8px;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.plan-list li i{color:var(--green);font-size:14px;margin-top:7px;flex:0 0 14px;}
.plan-side-stack{display:grid;grid-template-rows:1fr 1fr;gap:20px;height:100%;}
.plan-card--side{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:3px solid var(--green);border-radius:var(--radius-md);padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;}
.plan-card--side:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.plan-card__icon{width:44px;height:44px;border-radius:14px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:18px;margin-bottom:16px;}
.plan-card--side h3{font-size:19px;font-weight:700;line-height:1.45;}
.plan-card--side p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.plan-card__arrow{margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);}
.plan-card--side:hover .plan-card__arrow{gap:12px;}

/* ---------- 数据徽章 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;}
.stat-badge{background:rgba(255,255,255,.03);border:1px solid rgba(242,240,237,.14);border-radius:20px;padding:28px 24px;transition:border-color .2s ease,transform .2s ease;}
.stat-badge:hover{border-color:rgba(216,241,74,.4);transform:translateY(-4px);}
.stat-badge__num{font-size:38px;font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--lime);font-family:"DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;}
.stat-badge__label{margin-top:10px;font-size:13.5px;color:var(--text-on-dark-2);}

/* ---------- 表单 ---------- */
.lead-card{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:44px;}
.lead-info h2{font-size:28px;font-weight:700;line-height:1.35;}
.lead-info > p{margin-top:14px;font-size:15px;color:var(--text-2);}
.lead-info-list{margin-top:24px;display:grid;gap:14px;}
.lead-info-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2);}
.lead-info-list li i{width:26px;height:26px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);display:grid;place-items:center;font-size:12px;flex:0 0 26px;margin-top:4px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.field input,.field select,.field textarea{width:100%;height:48px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#FBFAF8;padding:0 14px;font-size:15px;transition:all .2s ease;}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:40px;}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(228,87,46,.12);}
.field--full{grid-column:1 / -1;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);line-height:1.6;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 18px;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;}

/* ---------- 隐私说明 ---------- */
.privacy-band{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;}
.privacy-band h2{font-size:22px;font-weight:700;}
.privacy-band > p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.privacy-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:26px;}
.privacy-list li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.75;}
.privacy-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--brand);}

/* ---------- CMS 列表 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.info-card__link{display:flex;flex-direction:column;height:100%;}
.info-card__media{overflow:hidden;background:#EFEDE9;}
.info-card__media img{width:100%;height:190px;object-fit:cover;transition:transform .4s ease;}
.info-card:hover .info-card__media img{transform:scale(1.04);}
.info-card__body{padding:22px;display:flex;flex-direction:column;flex:1;}
.info-card__title{margin-top:12px;font-size:19px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.info-card__excerpt{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.info-card__meta{margin-top:auto;padding-top:16px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:12px;}
.info-card--feature{grid-column:span 2;}
.info-card--feature .info-card__link{flex-direction:row;}
.info-card--feature .info-card__media{width:46%;flex:0 0 46%;}
.info-card--feature .info-card__media img{height:100%;min-height:250px;}
.info-card--feature .info-card__body{flex:1;}
.info-card--feature .info-card__title{font-size:22px;-webkit-line-clamp:2;}
.empty-state{min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-md);margin-top:40px;padding:32px;text-align:center;}
.empty-state p{font-size:15px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:40px auto 0;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:rgba(228,87,46,.35);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;line-height:1.6;cursor:pointer;color:var(--text);transition:color .2s ease;}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);transition:transform .25s ease,background .25s ease,color .25s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%);}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand-grad);border-radius:24px;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;color:#fff;box-shadow:0 20px 50px rgba(228,87,46,.24);}
.cta-band h2{font-size:30px;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.88);max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--text-on-dark);position:relative;}
.site-footer::before{content:"";display:block;height:2px;background:var(--brand-grad);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding:64px 0 44px;}
.footer-brand .logo__text{color:var(--text-on-dark);}
.footer-brand .logo__mark{background:var(--brand-grad);}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--text-on-dark-2);line-height:1.8;max-width:340px;}
.footer-contact{margin-top:20px;font-size:13.5px;color:var(--text-on-dark-2);display:grid;gap:8px;}
.footer-contact strong{color:var(--text-on-dark);font-size:16px;font-weight:700;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-on-dark);}
.footer-col a{display:block;padding:7px 0;font-size:14px;color:var(--text-on-dark-2);}
.footer-col a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{border-top:1px solid rgba(242,240,237,.12);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-on-dark-2);}
.footer-bottom span{display:inline-block;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:48px;padding-top:56px;padding-bottom:72px;}
  .hero__title{font-size:38px;}
  .hero__stats{position:static;margin-top:16px;max-width:none;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .info-grid{grid-template-columns:repeat(2,1fr);}
  .info-card--feature{grid-column:span 2;}
  .info-card--feature .info-card__link{flex-direction:column;}
  .info-card--feature .info-card__media{width:100%;flex:0 0 auto;}
  .info-card--feature .info-card__media img{height:210px;min-height:0;}
  .privacy-list{grid-template-columns:repeat(2,1fr);}
  .lead-card{grid-template-columns:1fr;gap:32px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:68px 0;}
}
@media screen and (max-width:768px){
  body{font-size:15px;}
  .brand-bar__inner{height:60px;gap:12px;}
  body.is-scrolled{--brand-h:60px;}
  .search-box,.brand-bar__contact{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .brand-bar .btn--primary{display:none;}
  .channel-bar{display:none;}
  .logo__text{font-size:16.5px;}
  .hero__title{font-size:30px;line-height:1.28;}
  .hero__sub{font-size:15.5px;}
  .hero__actions .btn{flex:1 1 auto;justify-content:center;}
  .section-head h2{font-size:24px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px;}
  .pain-grid{grid-template-columns:1fr;gap:14px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-badge{padding:22px 18px;}
  .stat-badge__num{font-size:30px;}
  .info-grid{grid-template-columns:1fr;gap:18px;}
  .info-card--feature{grid-column:span 1;}
  .privacy-list{grid-template-columns:1fr;gap:14px;}
  .privacy-band{padding:26px 22px;}
  .lead-card{padding:24px 20px;}
  .lead-info h2{font-size:23px;}
  .form-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:23px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:44px 0 32px;}
  .plan-side-stack{grid-template-rows:auto auto;}
  .plan-card--main .plan-card__media img{aspect-ratio:16/10;}
}
@media screen and (max-width:520px){
  .container{padding:0 14px;}
  .hero__title{font-size:27px;}
  .section{padding:54px 0;}
  .stat-chip{padding:8px 12px;}
  .stat-chip b{font-size:16px;}
  .btn{padding:13px 22px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --brand:#E4572E;
  --brand-dark:#B93F1C;
  --brand-light:#FDEBE4;
  --green:#1F6F5C;
  --green-soft:rgba(31,111,92,.12);
  --lime:#D8F14A;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --dark-2:#1D2025;
  --border:#E6E2DC;
  --text:#16181C;
  --muted:#5A6068;
  --faint:#8B9199;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 16px 36px rgba(20,22,26,.10);
  --grad:linear-gradient(135deg,#E4572E 0%,#F2A03B 100%);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"SFMono-Regular",Menlo,Consolas,"Roboto Mono",monospace;
}
*,*::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:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.row{display:flex;flex-wrap:wrap;max-width:none;margin-left:-12px;margin-right:-12px;}
.row::before,.row::after{display:none;}
.columns,.column{padding-left:12px;padding-right:12px;float:none;}
.section{padding:84px 0;}
.section--tight{padding:60px 0;}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad);}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15.5px;max-width:760px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.24);}
.btn--primary:hover{background:linear-gradient(135deg,#B93F1C 0%,#E4572E 100%);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(228,87,46,.30);}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(228,87,46,.25);}
.btn--ghost{background:#fff;border-color:var(--green);color:var(--green);}
.btn--ghost:hover{background:var(--green-soft);color:var(--green);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--text{background:transparent;color:var(--brand);padding:8px 2px;font-weight:600;}
.btn--text i{transition:transform .2s ease;}
.btn--text:hover{color:var(--brand-dark);}
.btn--text:hover i{transform:translateX(4px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章 / 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:var(--green-soft);color:var(--green);
}
.tag--brand{background:var(--brand-light);color:var(--brand-dark);}
.tag--lime{background:rgba(216,241,74,.32);color:#4d5a12;}

/* 顶部品牌行 */
.site-header{position:sticky;top:0;z-index:60;}
.brand-bar{
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.brand-bar__inner{
  display:flex;align-items:center;gap:22px;
  height:64px;
  transition:height .25s ease;
}
.site-header.is-compact .brand-bar{box-shadow:0 6px 18px rgba(20,22,26,.08);}
.site-header.is-compact .brand-bar__inner{height:52px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(228,87,46,.28);
}
.logo__text{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.logo:hover .logo__text{color:var(--brand-dark);}
.brand-search{
  flex:1 1 auto;max-width:360px;position:relative;
  display:flex;align-items:center;
}
.brand-search i{
  position:absolute;left:14px;color:var(--faint);font-size:14px;pointer-events:none;
}
.brand-search input{
  width:100%;height:42px;
  padding:0 16px 0 38px;
  border:1px solid var(--border);border-radius:999px;
  background:#FBFAF8;font-size:14px;color:var(--text);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.brand-search input::placeholder{color:var(--faint);}
.brand-search input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(228,87,46,.10);
}
.brand-meta{margin-left:auto;text-align:right;line-height:1.35;flex-shrink:0;}
.brand-meta__label{display:block;font-size:12px;color:var(--faint);}
.brand-meta strong{font-family:var(--font-num);font-size:15px;color:var(--text);letter-spacing:.02em;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 频道行 */
.channel-bar{background:#1D2025;border-bottom:1px solid rgba(255,255,255,.06);}
.channel-bar__inner{display:flex;align-items:center;min-height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel-list{display:flex;align-items:center;gap:8px;padding:9px 0;white-space:nowrap;}
.channel-list a{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:rgba(242,240,237,.72);
  transition:all .2s ease;
}
.channel-list a:hover{background:rgba(255,255,255,.08);color:#fff;}
.channel-list a.is-active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.30);}

/* 移动端面板 */
.mobile-panel{
  display:none;background:#fff;border-bottom:1px solid var(--border);
  padding:16px 0 20px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;padding:13px 4px;font-size:15px;font-weight:600;
  color:var(--text);border-bottom:1px solid var(--border);
}
.mobile-panel a.is-active{color:var(--brand);}
.mobile-panel .btn{width:100%;margin-top:18px;}

/* Hero */
.channel-hero{
  position:relative;overflow:hidden;
  background:#14161A url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height:480px;
  display:flex;align-items:flex-end;
  color:#F2F0ED;
}
.channel-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.78) 46%,rgba(31,111,92,.42) 100%);
}
.channel-hero__inner{position:relative;z-index:2;padding:64px 0 56px;width:100%;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(242,240,237,.68);margin-bottom:20px;
}
.breadcrumb a{color:rgba(242,240,237,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.channel-hero h1{
  font-size:clamp(30px,5vw,50px);
  font-weight:800;letter-spacing:-.02em;line-height:1.14;
  margin-bottom:16px;max-width:760px;
}
.channel-hero h1 em{
  font-style:normal;
  background:linear-gradient(transparent 62%,rgba(216,241,74,.55) 62%);
  padding:0 4px;
}
.channel-hero__sub{font-size:16.5px;color:rgba(242,240,237,.82);max-width:700px;margin-bottom:26px;}
.channel-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.channel-hero .btn--ghost{
  background:rgba(255,255,255,.06);border-color:rgba(242,240,237,.5);color:#F2F0ED;
}
.channel-hero .btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(242,240,237,.82);
}
.hero-points i{color:var(--lime);font-size:13px;}

/* 数据条 */
.stat-strip{background:#fff;border-bottom:1px solid var(--border);}
.stat-strip__grid{display:flex;flex-wrap:wrap;gap:0;padding:22px 0;}
.stat-item{
  flex:1 1 200px;display:flex;align-items:center;gap:14px;
  padding:8px 20px;border-left:2px solid var(--brand-light);
}
.stat-item:first-child{border-left-color:var(--brand);}
.stat-item strong{
  font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--brand);
  letter-spacing:-.01em;line-height:1;
}
.stat-item span{font-size:13.5px;color:var(--muted);}

/* 卡片通用 */
.card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
  overflow:hidden;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card__media{
  position:relative;aspect-ratio:16/9;background:#E9E5DF;overflow:hidden;
}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card__media img{transform:scale(1.05);}
.card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,26,0) 45%,rgba(20,22,26,.55) 100%);
}
.card__media .tag{position:absolute;left:14px;top:14px;z-index:2;}
.card__body{padding:22px 22px 24px;}
.card__body h3{font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.card__body p{font-size:14.5px;color:var(--muted);margin-bottom:16px;}
.card__link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.card__link i{transition:transform .2s ease;}
.card:hover .card__link i{transform:translate(4px,-4px);}
.card--accent::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--grad);
}

/* 频道内容卡（索引） */
.index-card .card__facts{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;
}
.index-card .card__facts span{
  font-size:12.5px;font-weight:600;color:var(--green);
  background:var(--green-soft);border-radius:10px;padding:4px 10px;
}

/* 流程 */
.flow-step{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);padding:26px 22px;height:100%;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.flow-step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;margin-bottom:14px;
  font-family:var(--font-num);font-weight:700;font-size:15px;
  background:var(--brand-light);color:var(--brand-dark);
}
.flow-step h3{font-size:17.5px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--muted);}

/* 深色数据看板 */
.dark-band{
  background:var(--dark);
  color:#F2F0ED;
  position:relative;
  overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(228,87,46,.12),rgba(31,111,92,.14));
  pointer-events:none;
}
.dark-band .container{position:relative;z-index:2;}
.dark-band .section-head h2{color:#fff;}
.dark-band .section-head p{color:rgba(242,240,237,.68);}
.dark-band .eyebrow{color:var(--lime);}
.dark-card{
  background:var(--dark-2);
  border:1px solid rgba(242,240,237,.12);
  border-radius:var(--radius-md);
  padding:26px 22px;height:100%;
  transition:transform .2s ease,border-color .2s ease;
}
.dark-card:hover{transform:translateY(-4px);border-color:rgba(216,241,74,.45);}
.dark-card i{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;margin-bottom:16px;
  background:rgba(216,241,74,.14);color:var(--lime);font-size:18px;
}
.dark-card h3{font-size:18px;color:#fff;margin-bottom:10px;}
.dark-card p{font-size:14px;color:rgba(242,240,237,.68);}
.dark-card ul{margin-top:12px;}
.dark-card ul li{
  position:relative;padding-left:18px;font-size:13.5px;
  color:rgba(242,240,237,.72);margin-bottom:6px;
}
.dark-card ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:2px;border-radius:2px;background:var(--lime);
}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.data-badge{
  flex:1 1 180px;
  border:1px solid rgba(242,240,237,.18);
  border-radius:20px;
  padding:18px 20px;
  background:rgba(242,240,237,.03);
}
.data-badge strong{
  display:block;font-family:var(--font-num);font-size:32px;font-weight:800;
  color:var(--lime);line-height:1.1;letter-spacing:-.02em;
}
.data-badge span{display:block;font-size:13px;color:rgba(242,240,237,.68);margin-top:6px;}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion.acc-list{
  background:transparent;border:none;
  display:flex;flex-direction:column;gap:14px;
}
.acc-list .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.acc-list .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--text);
  padding:20px 22px;border:none;background:#fff;
  transition:background .2s ease,color .2s ease;
}
.acc-list .accordion-title:hover{background:#FBFAF8;color:var(--brand-dark);}
.acc-list .accordion-title::before{
  content:"+";
  order:2;flex-shrink:0;
  width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:18px;font-weight:600;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.acc-list .accordion-item.is-active .accordion-title{color:var(--brand-dark);}
.acc-list .accordion-item.is-active .accordion-title::before{
  content:"+";transform:rotate(45deg);background:var(--brand);color:#fff;
}
.acc-list .accordion-content{padding:0 22px 20px;border:none;background:#fff;}
.acc-list .accordion-content p{font-size:15px;color:var(--muted);}

/* CTA */
.cta-band{
  background:var(--grad);
  border-radius:26px;
  padding:44px 40px;
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 18px 40px rgba(228,87,46,.22);
}
.cta-band h2{font-size:27px;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);max-width:620px;}
.cta-band .btn--ghost{background:#fff;border-color:#fff;color:var(--brand-dark);}
.cta-band .btn--ghost:hover{background:#FDEBE4;color:var(--brand-dark);}

/* 表单 */
.lead-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:34px;display:flex;gap:34px;flex-wrap:wrap;
}
.lead-card__intro{flex:1 1 280px;}
.lead-card__intro h3{font-size:23px;margin-bottom:12px;}
.lead-card__intro p{font-size:14.5px;color:var(--muted);margin-bottom:18px;}
.lead-card__intro ul li{
  position:relative;padding-left:22px;font-size:14px;color:var(--muted);margin-bottom:8px;
}
.lead-card__intro ul li::before{
  content:"";position:absolute;left:0;top:.66em;
  width:10px;height:10px;border-radius:3px;background:var(--lime);
}
.lead-form{flex:1 1 340px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:0 14px;height:48px;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#FBFAF8;font-family:inherit;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(228,87,46,.10);
}
.field-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:14px 0 18px;}
.field-check input{width:18px;height:18px;flex-shrink:0;margin-top:2px;accent-color:var(--brand);}
.lead-form .btn{width:100%;}
.form-note{font-size:12.5px;color:var(--faint);margin-top:12px;line-height:1.7;}

/* 隐私条 */
.privacy-strip{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:26px 28px;display:flex;flex-wrap:wrap;gap:18px 40px;align-items:flex-start;
}
.privacy-strip h3{font-size:16px;flex:0 0 150px;}
.privacy-strip ul{flex:1 1 300px;display:flex;flex-wrap:wrap;gap:10px 28px;}
.privacy-strip li{
  position:relative;padding-left:18px;font-size:13.5px;color:var(--muted);flex:1 1 200px;
}
.privacy-strip li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:2px;border-radius:2px;background:var(--brand);
}

/* 页脚 */
.site-footer{
  background:var(--dark);color:rgba(242,240,237,.68);
  padding:64px 0 26px;
  border-top:2px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px 30px;}
.footer-brand{flex:1 1 320px;max-width:420px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo__text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,240,237,.68);margin-bottom:18px;}
.footer-contact{display:flex;flex-direction:column;gap:4px;font-size:13.5px;}
.footer-contact span{color:rgba(242,240,237,.5);}
.footer-contact strong{font-family:var(--font-num);font-size:19px;color:var(--lime);letter-spacing:.02em;}
.footer-col{flex:1 1 160px;display:flex;flex-direction:column;gap:11px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:4px;font-weight:700;}
.footer-col a{font-size:14px;color:rgba(242,240,237,.68);}
.footer-col a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  margin-top:46px;padding-top:20px;
  border-top:1px solid rgba(242,240,237,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(242,240,237,.5);
}

/* 响应式 */
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .section-head h2{font-size:26px;}
  .brand-search{max-width:240px;}
  .brand-meta{display:none;}
  .channel-hero{min-height:440px;}
  .channel-hero__inner{padding:52px 0 46px;}
  .cta-band{padding:34px 26px;}
  .cta-band h2{font-size:23px;}
}
@media screen and (max-width:767px){
  body{font-size:15px;line-height:1.75;}
  .section{padding:52px 0;}
  .section--tight{padding:40px 0;}
  .section-head{margin-bottom:26px;}
  .section-head h2{font-size:23px;}
  .brand-bar__inner{height:60px;gap:12px;}
  .brand-search{display:none;}
  .brand-bar .btn--primary{display:none;}
  .nav-toggle{display:flex;}
  .logo__text{font-size:17px;}
  .logo__mark{width:34px;height:34px;border-radius:10px;font-size:13px;}
  .channel-bar{display:none;}
  .channel-hero{min-height:400px;align-items:center;}
  .channel-hero h1{font-size:30px;}
  .channel-hero__sub{font-size:15px;}
  .channel-hero__actions .btn{flex:1 1 auto;}
  .channel-hero__actions .btn{justify-content:center;}
  .hero-points{gap:10px 18px;}
  .stat-strip__grid{padding:16px 0;}
  .stat-item{flex:1 1 100%;border-left:none;border-top:2px solid var(--brand-light);padding:12px 4px;}
  .stat-item:first-child{border-top-color:var(--brand);}
  .lead-card{padding:22px;}
  .card__body{padding:18px;}
  .acc-list .accordion-title{font-size:15.5px;padding:16px 18px;}
  .acc-list .accordion-content{padding:0 18px 18px;}
  .footer-grid{gap:28px;}
  .footer-brand{max-width:none;}
  .cta-band{border-radius:20px;padding:26px 20px;}
  .cta-band .btn{width:100%;}
}
@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .row{margin-left:-8px;margin-right:-8px;}
  .columns,.column{padding-left:8px;padding-right:8px;}
  .data-badge strong{font-size:26px;}
  .privacy-strip{padding:20px;gap:14px;}
  .privacy-strip h3{flex:0 0 100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --brand:#E4572E;
  --brand-dark:#B93F1C;
  --brand-light:#FDEBE4;
  --green:#1F6F5C;
  --green-soft:rgba(31,111,92,.12);
  --lime:#D8F14A;
  --bg:#F7F5F2;
  --bg-alt:#F1EEE9;
  --card:#FFFFFF;
  --dark:#14161A;
  --dark-2:#1D2025;
  --border:#E6E2DC;
  --text:#16181C;
  --text-2:#5A6068;
  --text-3:#8B9199;
  --ink:#F2F0ED;
  --ink-soft:rgba(242,240,237,.68);
  --grad:linear-gradient(135deg,#E4572E 0%,#F2A03B 100%);
  --r-xl:24px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 16px 36px rgba(20,22,26,.10);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font-family:inherit;font-size:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (max-width:767px){.container{padding:0 16px;}}

/* ---------- 品牌按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.24);}
.btn--primary:hover{background:linear-gradient(135deg,#B93F1C 0%,#E4572E 100%);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(228,87,46,.30);}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(228,87,46,.22);}
.btn--ghost{background:#fff;border-color:var(--green);color:var(--green);}
.btn--ghost:hover{background:var(--green-soft);color:var(--green);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--text{background:none;border:none;color:var(--brand);padding:8px 2px;font-weight:600;border-radius:6px;}
.btn--text:hover{color:var(--brand-dark);}
.btn--text i{transition:transform .2s ease;}
.btn--text:hover i{transform:translateX(4px);}
.btn--sm{padding:11px 20px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.tag{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--bg-alt);font-size:13px;font-weight:600;color:var(--text-2);transition:.2s;}
.tag:hover{background:var(--brand-light);color:var(--brand-dark);}
.tag--green{background:var(--green-soft);color:var(--green);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;}
.brand-bar{background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
.site-header.is-scrolled .brand-bar{box-shadow:0 6px 18px rgba(20,22,26,.08);}
.brand-bar__inner{display:flex;align-items:center;gap:18px;min-height:64px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-bar__inner{height:56px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--grad);color:#fff;font-weight:800;font-size:14px;letter-spacing:.04em;flex:0 0 auto;}
.logo__text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--text);white-space:nowrap;}
.brand-bar__tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:14px;color:var(--text-3);font-size:13px;pointer-events:none;}
.search-box input{
  width:220px;height:42px;border-radius:999px;border:1px solid var(--border);
  background:var(--bg);padding:0 16px 0 36px;color:var(--text);transition:.2s;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(228,87,46,.10);}
.hotline{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;}
.hotline i{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.channel-bar{background:var(--bg-alt);border-bottom:1px solid var(--border);}
.channel-bar__inner{display:flex;align-items:center;min-height:52px;}
.channel-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:6px 0;width:100%;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{display:inline-block;white-space:nowrap;padding:8px 16px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--text-2);}
.channel-list a:hover{background:#fff;color:var(--brand);}
.channel-list a.is-active{background:var(--brand);color:#fff;}
.channel-list a.is-active:hover{color:#fff;}

.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--border);padding:14px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-nav a{display:flex;align-items:center;min-height:46px;padding:0 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);}
.mobile-nav a:hover,.mobile-nav a:active{background:var(--bg);color:var(--brand);}
.mobile-panel .btn{width:100%;}

@media (max-width:899px){
  .search-box,.hotline{display:none;}
  .nav-toggle{display:flex;}
  .channel-bar{display:none;}
  .brand-bar__tools{margin-left:auto;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:22px 0 0;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--border);}
.breadcrumb .current{color:var(--brand);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;padding:24px 0 0;}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-top:32px;}
}
.article-main{max-width:820px;min-width:0;}

.article-head{margin-bottom:24px;}
.cat-tag{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:700;margin-bottom:16px;}
.article-title{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.02em;color:var(--text);}
@media (min-width:768px){.article-title{font-size:38px;line-height:1.24;}}
@media (min-width:1200px){.article-title{font-size:46px;line-height:1.15;}}
.article-title::after{content:"";display:block;width:64px;height:5px;border-radius:999px;background:var(--lime);margin-top:18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:20px;}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--border);}
.article-meta i{margin-right:5px;color:var(--text-3);}
.article-meta .meta-strong{color:var(--text-2);font-weight:600;}

.article-cover{margin:0 0 30px;}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px;background:#EFEBE5;}
.article-cover figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center;}

.article-content{font-size:16px;line-height:1.9;color:#2A2E34;}
.article-content > * + *{margin-top:18px;}
.article-content p{margin:0;}
.article-content h2{
  font-size:25px;line-height:1.35;font-weight:700;color:var(--text);
  margin-top:42px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-content h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--text);margin-top:28px;}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-content ul li::before{content:"";position:absolute;left:2px;top:13px;width:8px;height:8px;border-radius:50%;background:var(--lime);border:1px solid rgba(20,22,26,.16);}
.article-content ol{counter-reset:li;}
.article-content ol li{position:relative;padding-left:32px;margin-bottom:10px;}
.article-content ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:5px;
  width:21px;height:21px;border-radius:7px;background:var(--brand-light);color:var(--brand-dark);
  font-size:12px;font-weight:800;line-height:21px;text-align:center;
}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:#fff;border-left:4px solid var(--green);
  border-radius:0 14px 14px 0;color:var(--text-2);font-size:15.5px;box-shadow:var(--shadow);
}
.article-content img{border-radius:16px;margin:22px 0;}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-dark);}
.article-content strong{font-weight:700;color:var(--text);}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;background:#fff;border-radius:12px;overflow:hidden;}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-content th{background:var(--bg-alt);font-weight:700;}
.article-content .tip-box{
  background:var(--brand-light);border:1px solid rgba(228,87,46,.18);border-radius:14px;
  padding:16px 20px;font-size:15px;color:#7A3A20;
}

.article-foot{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;margin-top:44px;padding-top:24px;border-top:1px solid var(--border);}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.share-row a{width:38px;height:38px;border-radius:999px;border:1px solid var(--border);display:grid;place-items:center;color:var(--text-2);background:#fff;}
.share-row a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

/* 空态 */
.article-empty{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:56px 28px;text-align:center;box-shadow:var(--shadow);}
.article-empty h1{font-size:28px;font-weight:800;color:var(--text);margin-bottom:14px;}
.article-empty p{font-size:15px;color:var(--text-2);margin-bottom:26px;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0;}
@media (min-width:1200px){
  .article-side{position:sticky;top:132px;align-self:start;}
}
.side-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px;box-shadow:var(--shadow);border-top:3px solid var(--brand);}
.side-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:14px;}
.side-list li + li{border-top:1px dashed var(--border);}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14.5px;color:var(--text-2);}
.side-list a:hover{color:var(--brand);}
.side-list a i{font-size:12px;color:var(--text-3);transition:transform .2s ease;}
.side-list a:hover i{color:var(--brand);transform:translateX(3px);}
.side-note{font-size:13.5px;line-height:1.8;color:var(--text-2);}
.side-note strong{display:block;font-size:22px;font-weight:800;color:var(--green);letter-spacing:.01em;margin-bottom:4px;}
.side-cta{background:var(--dark-2);border:none;border-top:3px solid var(--lime);color:var(--ink);}
.side-cta h3{color:var(--ink);}
.side-cta p{font-size:13.5px;color:var(--ink-soft);line-height:1.8;margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ---------- 相关推荐 ---------- */
.section-block{margin-top:72px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:26px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px;}
.rec-row{max-width:none;margin:0 -12px;display:flex;flex-wrap:wrap;}
.rec-row > [class*="column"]{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.rec-card{
  display:flex;flex-direction:column;height:100%;position:relative;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;box-shadow:var(--shadow);
}
.rec-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad);z-index:2;}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.rec-card__media{aspect-ratio:16/9;overflow:hidden;background:#EFEBE5;}
.rec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .rec-card__media img{transform:scale(1.05);}
.rec-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-card__body h3{font-size:18px;line-height:1.45;font-weight:700;color:var(--text);}
.rec-card__body p{font-size:14px;line-height:1.75;color:var(--text-2);flex:1;}
.rec-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);border-top:1px solid var(--border);padding-top:12px;}

/* ---------- 表单 CTA ---------- */
.lead-section{margin-top:72px;scroll-margin-top:140px;}
.lead-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--shadow);
  padding:40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:44px;
  border-top:3px solid var(--brand);
}
@media (max-width:899px){.lead-card{grid-template-columns:minmax(0,1fr);gap:28px;padding:26px;}}
.lead-intro h2{font-size:26px;font-weight:700;line-height:1.35;color:var(--text);margin-bottom:14px;}
.lead-intro p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:20px;}
.lead-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);margin-bottom:12px;}
.lead-points i{color:var(--green);margin-top:6px;font-size:13px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--border);
  background:#FBFAF8;padding:0 14px;color:var(--text);transition:.2s;appearance:none;
}
.field select{background-image:none;}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(228,87,46,.14);}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.7;color:var(--text-3);margin:4px 0 18px;}
.checkbox-row input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand);}
.lead-form .btn{width:100%;}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:12px;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:var(--ink);margin-top:88px;padding:64px 0 0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:599px){.footer-grid{grid-template-columns:1fr;}}
.site-footer .logo__text{color:var(--ink);}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-soft);margin:16px 0;max-width:360px;}
.footer-contact{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--ink-soft);}
.footer-contact strong{font-size:21px;font-weight:800;color:var(--lime);letter-spacing:.02em;font-variant-numeric:tabular-nums;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--ink-soft);padding:6px 0;}
.footer-col a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(242,240,237,.12);padding:20px 0;font-size:13px;color:rgba(242,240,237,.55);
}

@media (max-width:767px){
  .section-block,.lead-section{margin-top:52px;}
  .section-head h2{font-size:22px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --primary:#E4572E;
  --primary-dark:#B93F1C;
  --primary-light:#FDEBE4;
  --secondary:#1F6F5C;
  --secondary-light:rgba(31,111,92,.12);
  --lime:#D8F14A;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --dark-2:#1D2025;
  --border:#E6E2DC;
  --text:#16181C;
  --muted:#5A6068;
  --faint:#8B9199;
  --dark-text:#F2F0ED;
  --dark-muted:rgba(242,240,237,.68);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 16px 36px rgba(20,22,26,.10);
  --grad:linear-gradient(135deg,#E4572E 0%,#F2A03B 100%);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate","SF Mono","Roboto Mono","Menlo",monospace;
}
*,*::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:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:1200px){.container{max-width:1240px;}}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--radius-pill);
  font-weight:600;font-size:15px;line-height:1;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(228,87,46,.24);}
.btn--primary:hover{background:linear-gradient(315deg,#E4572E 0%,#F2A03B 100%);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(228,87,46,.30);}
.btn--primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(228,87,46,.22);}
.btn--primary:disabled{background:#D9D3CC;color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.btn--outline{background:#fff;border:1px solid var(--secondary);color:var(--secondary);}
.btn--outline:hover{background:var(--secondary-light);color:var(--secondary);transform:translateY(-2px);}
.btn--outline:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--text);padding-left:0;padding-right:0;min-height:44px;}
.btn--ghost i{color:var(--primary);}
.btn--ghost:hover{color:var(--primary);transform:translateX(3px);}
.btn--light{background:#fff;color:var(--primary-dark);}
.btn--light:hover{background:#FFF6F1;color:var(--primary-dark);transform:translateY(-2px);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 rgba(20,22,26,.06);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,22,26,.09);}
.brand-bar{border-bottom:1px solid var(--border);background:#fff;}
.brand-bar__inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:15px;letter-spacing:.04em;
}
.logo__text{font-size:19px;font-weight:800;letter-spacing:-.01em;}
.brand-search{position:relative;flex:1;max-width:300px;margin-left:auto;}
.brand-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:14px;}
.brand-search input{
  width:100%;height:44px;border-radius:var(--radius-pill);border:1px solid var(--border);
  background:#FAF8F6;padding:0 16px 0 38px;font-size:14px;transition:border-color .2s ease,background .2s ease;
}
.brand-search input::placeholder{color:var(--faint);}
.brand-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(228,87,46,.10);}
.brand-contact{font-size:13px;color:var(--muted);line-height:1.5;white-space:nowrap;}
.brand-contact strong{display:block;color:var(--text);font-size:15px;font-family:var(--font-num);letter-spacing:.02em;}
.brand-bar .btn{min-height:44px;padding:12px 22px;}
.mobile-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  color:var(--text);align-items:center;justify-content:center;font-size:17px;background:#fff;
}
.mobile-toggle:hover{border-color:var(--primary);color:var(--primary);}

.channel-bar{background:#F1EEE9;border-bottom:1px solid var(--border);}
.channel-bar__inner{position:relative;display:flex;align-items:center;gap:8px;height:54px;}
.channel-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:8px 0;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:var(--muted);background:transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.channel-list a:hover{background:#fff;color:var(--primary);}
.channel-list a.is-active{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(228,87,46,.24);}
.channel-list a.is-active:hover{background:var(--primary-dark);color:#fff;}

.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--border);padding:12px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel__list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;border-bottom:1px solid var(--border);
  font-size:15px;font-weight:600;color:var(--text);
}
.mobile-panel__list a.is-active{color:var(--primary);}
.mobile-panel__list a i{color:var(--faint);font-size:13px;}
.mobile-panel .btn{width:100%;margin-top:18px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#E4572E 0%,#F2A03B 100%);
  color:#fff;padding:64px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:56px 56px;opacity:.7;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,241,74,.30) 0%,rgba(216,241,74,0) 68%);pointer-events:none;
}
.hero__inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.82);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:22px;
}
.hero h1{
  font-size:38px;line-height:1.2;font-weight:800;letter-spacing:-.02em;color:#fff;
  text-shadow:0 4px 18px rgba(120,42,12,.20);
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;border-radius:4px;
  background:var(--lime);opacity:.55;z-index:-1;
}
.hero__lead{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.94);max-width:640px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;
}
.hero-facts li{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--radius-pill);
  background:rgba(20,22,26,.20);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;backdrop-filter:blur(2px);
}
.hero-facts li i{color:var(--lime);}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.10em;
  color:var(--secondary);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--lime);}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .eyebrow{justify-content:center;}

/* ---------- 对照矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.matrix-card{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:34px 30px 30px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;
}
.matrix-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:var(--primary);}
.matrix-card--alt::before{background:var(--secondary);}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.matrix-card__head{display:flex;align-items:center;gap:14px;margin-bottom:8px;}
.matrix-card__icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;background:var(--primary-light);color:var(--primary-dark);flex:0 0 auto;
}
.matrix-card--alt .matrix-card__icon{background:var(--secondary-light);color:var(--secondary);}
.matrix-card h3{font-size:21px;font-weight:700;}
.matrix-card__sub{color:var(--muted);font-size:14px;margin-bottom:20px;}
.matrix-list{display:grid;gap:14px;}
.matrix-list li{display:flex;gap:12px;font-size:15px;color:var(--muted);line-height:1.75;}
.matrix-list li i{color:var(--secondary);font-size:13px;margin-top:8px;flex:0 0 auto;}
.matrix-list li strong{color:var(--text);font-weight:600;}
.matrix-card__foot{margin-top:24px;padding-top:20px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.matrix-card__foot span{font-size:13px;color:var(--faint);}

/* ---------- 数据徽章 ---------- */
.badge-band{background:var(--dark);color:var(--dark-text);}
.badge-band .section-head h2{color:#fff;}
.badge-band .section-head p{color:var(--dark-muted);}
.badge-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.badge-card{
  background:var(--dark-2);border:1px solid rgba(242,240,237,.14);border-radius:20px;
  padding:26px 22px;transition:transform .2s ease,border-color .2s ease;
}
.badge-card:hover{transform:translateY(-4px);border-color:rgba(216,241,74,.45);}
.badge-card__num{font-family:var(--font-num);font-size:36px;font-weight:800;line-height:1.1;color:var(--lime);letter-spacing:-.01em;}
.badge-card__num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--dark-text);}
.badge-card__label{margin-top:10px;font-size:13px;color:var(--dark-muted);line-height:1.7;}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scene-card__media{position:relative;aspect-ratio:16/9;background:#ECE7E1;overflow:hidden;}
.scene-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .scene-card__media img{transform:scale(1.05);}
.scene-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,26,0) 40%,rgba(20,22,26,.55) 100%);}
.scene-card__chip{
  position:absolute;left:16px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:rgba(216,241,74,.90);color:#1B1D12;font-size:12px;font-weight:700;
}
.scene-card__body{padding:24px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-card__body h3{font-size:19px;font-weight:700;line-height:1.45;}
.scene-card__body p{font-size:14px;color:var(--muted);line-height:1.75;}
.scene-card__body .btn{align-self:flex-start;margin-top:auto;}

/* ---------- 处理流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative;}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:34px;height:0;
  border-top:1px dashed var(--border);z-index:0;
}
.flow-item{position:relative;z-index:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow);}
.flow-item__num{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;font-family:var(--font-num);font-weight:700;font-size:16px;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(228,87,46,.24);
}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-hover);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);
  font-size:19px;font-weight:600;flex:0 0 auto;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] summary::after{content:"+";transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-item summary:hover{color:var(--primary-dark);}
.faq-item .faq-answer{
  padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;border-top:1px solid var(--border);
  padding-top:18px;margin-top:2px;
}

/* ---------- 表单区 ---------- */
.lead{
  background:linear-gradient(180deg,#FFFFFF 0%,#FBF9F6 100%);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.lead-grid{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:44px;align-items:start;}
.lead-intro h2{font-size:28px;line-height:1.32;font-weight:700;}
.lead-intro p{margin-top:14px;color:var(--muted);font-size:15px;}
.lead-points{display:grid;gap:14px;margin-top:24px;}
.lead-points li{display:flex;gap:12px;font-size:14.5px;color:var(--muted);}
.lead-points li i{color:var(--secondary);margin-top:8px;font-size:13px;flex:0 0 auto;}
.lead-form{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field label span{color:var(--primary);}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;height:48px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:#FBF9F7;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(228,87,46,.12);
}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;}
.check-line input{margin-top:5px;width:16px;height:16px;accent-color:var(--primary);flex:0 0 auto;}
.form-note{margin-top:12px;font-size:12px;color:var(--faint);line-height:1.7;}
.form-note a{color:var(--secondary);}
.lead-form .btn--primary{width:100%;margin-top:6px;}
.privacy-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:44px;}
.privacy-item{
  background:#fff;border:1px solid var(--border);border-left:3px solid var(--secondary);
  border-radius:var(--radius-sm);padding:18px 18px 20px;
}
.privacy-item h3{font-size:15px;font-weight:600;margin-bottom:6px;}
.privacy-item p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:var(--dark-muted);padding:64px 0 26px;margin-top:0;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo__text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;max-width:360px;}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:4px;font-size:13px;}
.footer-contact strong{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:#fff;letter-spacing:.01em;line-height:1.3;
}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--dark-muted);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(242,240,237,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(242,240,237,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero{padding:52px 0 60px;}
  .hero h1{font-size:32px;}
  .section{padding:60px 0;}
  .matrix{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow::before{display:none;}
  .lead-grid{grid-template-columns:1fr;gap:32px;}
  .privacy-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .brand-search{max-width:220px;}
}
@media (max-width:768px){
  .brand-bar__inner{height:60px;gap:12px;}
  .brand-search,.brand-contact{display:none;}
  .brand-bar .btn--primary{display:none;}
  .mobile-toggle{display:inline-flex;margin-left:auto;}
  .channel-bar{display:none;}
  .hero{padding:40px 0 48px;}
  .hero h1{font-size:27px;}
  .hero__lead{font-size:15px;}
  .hero__actions .btn{flex:1 1 auto;}
  .hero-facts{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
  .hero-facts::-webkit-scrollbar{display:none;}
  .hero-facts li{flex:0 0 auto;}
  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .scene-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .badge-card__num{font-size:30px;}
  .lead-form{padding:24px 20px;}
  .privacy-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-brand p{max-width:none;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-item .faq-answer{padding:16px 18px 20px;}
}
@media (max-width:520px){
  .badge-grid{grid-template-columns:1fr;}
  .hero h1{font-size:24px;}
  .matrix-card{padding:26px 20px 24px;}
  .matrix-card__foot{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#E4572E;
  --brand-dark:#B93F1C;
  --brand-soft:#FDEBE4;
  --green:#1F6F5C;
  --green-soft:rgba(31,111,92,.10);
  --lime:#D8F14A;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --dark-2:#1D2025;
  --border:#E6E2DC;
  --text:#16181C;
  --text-2:#5A6068;
  --text-3:#8B9199;
  --on-dark:#F2F0ED;
  --on-dark-2:rgba(242,240,237,.68);
  --grad:linear-gradient(135deg,#E4572E 0%,#F2A03B 100%);
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 16px 36px rgba(20,22,26,.10);
  --container:1200px;
  --t:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--dark{background:var(--dark);color:var(--on-dark)}
.section--paper{background:#FCFAF8}
.section-head{max-width:760px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.eyebrow i{font-size:12px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.section--dark .section-head p{color:var(--on-dark-2)}
.section--dark .section-head h2{color:var(--on-dark)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 28px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn i{font-size:14px}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.28)}
.btn--primary:hover{background:linear-gradient(315deg,#E4572E 0%,#F2A03B 100%);transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,87,46,.34);color:#fff}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(228,87,46,.26)}
.btn--ghost{background:#fff;color:var(--green);border:1px solid var(--green)}
.btn--ghost:hover{background:var(--green-soft);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn--light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn--text{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px;padding:6px 0}
.btn--text:hover{gap:12px;color:var(--brand-dark)}
.btn--full{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn--sm{min-height:42px;padding:10px 20px;font-size:14px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:300;background:#fff}
.brand-bar{background:#fff;border-bottom:1px solid var(--border)}
.brand-bar__inner{display:flex;align-items:center;gap:22px;height:64px;transition:height var(--t)}
.site-header.is-scrolled .brand-bar__inner{height:52px}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,22,26,.07)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.02em;
  transition:width var(--t),height var(--t);
}
.site-header.is-scrolled .logo__mark{width:34px;height:34px}
.logo__text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-search{position:relative;margin-left:auto;max-width:260px;flex:1}
.brand-search input{
  width:100%;height:42px;border-radius:var(--pill);border:1px solid var(--border);
  background:#F9F7F4;padding:0 42px 0 18px;font-size:14px;transition:border-color var(--t),background var(--t);
}
.brand-search input::placeholder{color:var(--text-3)}
.brand-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(228,87,46,.12)}
.brand-search button{position:absolute;right:4px;top:4px;width:34px;height:34px;border-radius:50%;color:var(--text-2);display:grid;place-items:center}
.brand-search button:hover{color:var(--brand);background:var(--brand-soft)}
.brand-contact{font-size:13px;color:var(--text-2);white-space:nowrap}
.brand-contact strong{display:block;color:var(--text);font-size:14px;font-weight:700}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);color:var(--text);font-size:17px}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

.channel-bar{background:#F1EEE9;border-bottom:1px solid var(--border)}
.channel-bar__inner{display:flex;align-items:center;height:52px;position:relative}
.channel-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:6px 0}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--pill);
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.channel-list a:hover{background:#fff;color:var(--brand)}
.channel-list a.is-active{background:var(--brand);color:#fff;font-weight:600}
.channel-list a.is-active:hover{background:var(--brand-dark);color:#fff}

/* ---------- 内页横幅 ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(20,22,26,.90) 0%,rgba(20,22,26,.62) 55%,rgba(20,22,26,.40) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero__inner{padding:78px 0 64px;max-width:760px}
.page-hero .eyebrow{background:rgba(216,241,74,.16);color:var(--lime)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.02em;line-height:1.15;
  margin-bottom:18px;color:#fff;
}
.page-hero h1 em{font-style:normal;position:relative;display:inline-block}
.page-hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:rgba(216,241,74,.35);border-radius:3px;z-index:-1;
}
.page-hero p{max-width:640px;color:rgba(255,255,255,.86);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.28);border-radius:var(--pill);padding:6px 14px;background:rgba(255,255,255,.06);
}
.hero-tags span i{color:var(--lime);font-size:12px}

.breadcrumb{background:#fff;border-bottom:1px solid var(--border)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;height:52px;font-size:13px;color:var(--text-3)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--border)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .is-current{color:var(--brand);font-weight:600}

/* ---------- 时间轴 ---------- */
.timeline-layout{display:grid;grid-template-columns:240px 1fr;gap:36px;align-items:start}
.aside-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);position:sticky;top:136px;
  border-top:3px solid var(--green);
}
.aside-card h3{font-size:16px;margin-bottom:6px}
.aside-card .aside-note{font-size:13px;color:var(--text-3);margin-bottom:16px}
.aside-index{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.aside-index a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text-2);
}
.aside-index a b{font-size:12px;color:var(--brand);font-weight:700;min-width:20px;font-family:"SF Mono",Consolas,Menlo,monospace}
.aside-index a:hover{background:var(--brand-soft);color:var(--brand)}

.timeline-list{position:relative;padding-left:6px}
.timeline-item{position:relative;padding:0 0 26px 40px}
.timeline-item::before{
  content:"";position:absolute;left:9px;top:22px;bottom:-2px;width:1px;
  border-left:1px dashed #D6D0C8;
}
.timeline-item:last-child::before{display:none}
.timeline-item::after{
  content:"";position:absolute;left:3px;top:14px;width:13px;height:13px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.timeline-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DCD6CE}
.timeline-card__top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.timeline-num{
  font-family:"SF Mono",Consolas,Menlo,monospace;font-size:13px;font-weight:700;color:#fff;
  background:var(--dark);border-radius:8px;padding:3px 10px;letter-spacing:.06em;
}
.timeline-card h3{font-size:19px}
.timeline-card p{color:var(--text-2);font-size:15px;margin-top:6px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;
  background:var(--green-soft);color:var(--green);border-radius:var(--pill);padding:5px 12px;font-weight:600;
}
.tag--brand{background:var(--brand-soft);color:var(--brand-dark)}
.tag--lime{background:rgba(216,241,74,.28);color:#4A5A0B}

/* ---------- 终端卡片 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.platform-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t);
  border-top:3px solid var(--brand);
}
.platform-card:nth-child(2){border-top-color:var(--green)}
.platform-card:nth-child(3){border-top-color:var(--brand)}
.platform-card:nth-child(4){border-top-color:var(--green)}
.platform-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.platform-card__media{position:relative;aspect-ratio:4/3;background:#EFEBE5;overflow:hidden}
.platform-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.platform-card:hover .platform-card__media img{transform:scale(1.05)}
.platform-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,26,0) 45%,rgba(20,22,26,.55) 100%);
}
.platform-card__badge{
  position:absolute;left:14px;bottom:12px;z-index:2;color:#fff;font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:7px;
}
.platform-card__badge i{color:var(--lime)}
.platform-card__body{padding:22px;display:flex;flex-direction:column;flex:1}
.platform-card__body h3{font-size:18px;margin-bottom:8px}
.platform-card__body>p{font-size:14.5px;color:var(--text-2)}
.platform-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.platform-list li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.6}
.platform-list i{color:var(--green);font-size:12px;margin-top:7px}

/* ---------- 数据徽章 ---------- */
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.badge-item{
  border:1px solid rgba(242,240,237,.18);border-radius:20px;padding:26px 24px;
  background:linear-gradient(135deg,rgba(228,87,46,.10),rgba(242,160,59,.06));
}
.badge-item strong{
  display:block;font-family:"SF Mono",Consolas,Menlo,monospace;
  font-size:clamp(30px,3.4vw,42px);font-weight:800;color:var(--lime);letter-spacing:-.02em;line-height:1.1;
}
.badge-item span{display:block;margin-top:10px;font-size:13.5px;color:var(--on-dark-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion{background:transparent;border:0;margin:0}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);transition:box-shadow var(--t),border-color var(--t);
}
.accordion .accordion-item.is-active{border-color:#DCD6CE;box-shadow:var(--shadow-hover)}
.accordion .accordion-title{
  display:block;border:0;background:transparent;padding:20px 66px 20px 22px;
  font-size:16.5px;font-weight:600;color:var(--text);position:relative;line-height:1.5;
}
.accordion .accordion-title:hover{color:var(--brand)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;line-height:30px;text-align:center;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:19px;font-weight:600;
  transition:transform var(--t),background var(--t),color var(--t);
}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"+";transform:translateY(-50%) rotate(45deg);background:var(--brand);color:#fff;
}
.accordion .accordion-content{
  border:0;border-top:1px solid var(--border);background:transparent;
  padding:18px 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;
}
.accordion .accordion-content p+p{margin-top:10px}

/* ---------- 表单 ---------- */
.lead-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;border-top:3px solid var(--brand);
}
.lead-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:0}
.lead-intro{padding:44px 40px;background:#FCFAF8;border-right:1px solid var(--border)}
.lead-intro h3{font-size:22px;margin-bottom:12px}
.lead-intro p{color:var(--text-2);font-size:15px}
.lead-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.lead-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.lead-points i{color:var(--brand);font-size:13px;margin-top:7px}
.lead-form{padding:44px 40px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--text)}
.field label em{font-style:normal;color:var(--brand)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#FBF9F7;padding:0 16px;height:48px;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{height:112px;padding:13px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(228,87,46,.12);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);margin:6px 0 18px}
.check-line input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex-shrink:0}
.check-line a{color:var(--brand);text-decoration:underline}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px}
.form-msg{display:none;margin-top:14px;font-size:14px;color:var(--green);background:var(--green-soft);border-radius:10px;padding:10px 14px}
.form-msg.is-show{display:block}

/* ---------- 隐私条 ---------- */
.privacy-strip{background:#FCFAF8;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.privacy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.privacy-item{display:flex;gap:12px;font-size:14px;color:var(--text-2)}
.privacy-item i{color:var(--green);font-size:15px;margin-top:5px}
.privacy-item strong{display:block;color:var(--text);font-size:15px;margin-bottom:3px}

/* ---------- 底部 CTA ---------- */
.footer-cta{background:var(--grad);color:#fff;border-radius:var(--radius-lg);padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:0 18px 40px rgba(228,87,46,.24)}
.footer-cta h2{font-size:clamp(22px,2.4vw,30px);color:#fff}
.footer-cta p{color:rgba(255,255,255,.9);margin-top:10px;font-size:15px;max-width:560px}
.footer-cta .btn--primary{background:#fff;color:var(--brand-dark);box-shadow:0 8px 20px rgba(20,22,26,.16)}
.footer-cta .btn--primary:hover{background:#fff;color:var(--brand-dark);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);margin-top:88px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:66px 0 44px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo__text{color:#fff}
.footer-brand p{font-size:14px;color:var(--on-dark-2);max-width:340px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--on-dark-2)}
.footer-contact strong{font-size:20px;color:var(--lime);font-family:"SF Mono",Consolas,Menlo,monospace;font-weight:800;letter-spacing:.02em}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col a{display:block;font-size:14px;color:var(--on-dark-2);padding:6px 0;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(242,240,237,.14);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--on-dark-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .platform-grid{grid-template-columns:repeat(2,1fr)}
  .badge-grid{grid-template-columns:repeat(2,1fr)}
  .privacy-grid{grid-template-columns:repeat(2,1fr)}
  .timeline-layout{grid-template-columns:1fr;gap:26px}
  .aside-card{position:static;top:auto}
  .aside-index{flex-direction:row;flex-wrap:wrap;gap:6px}
  .aside-index a{background:#F9F7F4;border-radius:var(--pill);padding:7px 14px}
  .lead-grid{grid-template-columns:1fr}
  .lead-intro{border-right:0;border-bottom:1px solid var(--border)}
}
@media (max-width:860px){
  .brand-search{display:none}
  .brand-contact{display:none}
  .brand-bar__inner{justify-content:space-between;gap:12px}
  .nav-toggle{display:grid;place-items:center;order:3}
  .brand-bar__cta{order:2}
  .channel-bar{display:none}
  .channel-bar.is-open{display:block}
  .channel-bar__inner{height:auto;padding:10px 0}
  .channel-list{flex-direction:column;overflow:visible;gap:4px}
  .channel-list a{height:44px;width:100%;justify-content:flex-start;padding:0 16px;border-radius:12px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero__inner{padding:56px 0 48px}
  .footer-cta{padding:34px 24px;border-radius:var(--radius)}
  .form-row{grid-template-columns:1fr}
  .lead-intro,.lead-form{padding:32px 24px}
  .timeline-card{padding:18px 18px}
  .timeline-item{padding-left:32px}
}
@media (max-width:560px){
  .platform-grid{grid-template-columns:1fr}
  .badge-grid{grid-template-columns:1fr 1fr;gap:14px}
  .badge-item{padding:20px 18px}
  .privacy-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{width:100%}
}