/* roulang page: index */
:root{
  --c-primary:#1565A8;
  --c-primary-dark:#11507F;
  --c-primary-light:#E8F1F9;
  --c-data:#0FA98F;
  --c-accent:#F2762B;
  --c-text:#17222E;
  --c-text-2:#55677A;
  --c-text-3:#8C9BAA;
  --c-bg:#F5F8FC;
  --c-bg-alt:#EDF3FA;
  --c-card:#FFFFFF;
  --c-line:#E1EAF3;
  --c-line-strong:#C9DCEB;
  --c-footer:#122A3F;
  --c-footer-text:#C8D8E6;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 2px 8px rgba(21,60,100,.06);
  --sh-2:0 12px 28px rgba(21,60,100,.12);
  --sh-nav:0 4px 16px rgba(21,60,100,.08);
  --container:1200px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--c-text);font-style:normal;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;font-size:15px;color:var(--c-text);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){:root{--container:1280px;}}
@media (max-width:767px){.container{padding:0 20px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 2px 8px rgba(21,60,100,.10);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(21,60,100,.18);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 6px rgba(21,60,100,.16);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 2px 8px rgba(242,118,43,.22);}
.btn-accent:hover{background:#DC6420;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,118,43,.28);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-line{background:#fff;color:var(--c-primary);border:1px solid var(--c-line-strong);}
.btn-line:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:var(--c-primary);}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  border-radius:var(--r-badge);font-size:12px;font-weight:600;line-height:1;
  background:var(--c-primary-light);color:var(--c-primary-dark);letter-spacing:0;
}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-data{background:rgba(15,169,143,.12);color:#0B7E6C;}
.badge-plain{background:#EEF3F8;color:var(--c-text-2);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.nav-wrap{
  display:flex;align-items:center;gap:20px;
  height:76px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-primary) 0%,#1B7CC4 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.brand-text{font-size:19px;font-weight:600;color:var(--c-text);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--c-primary);}

.nav-search{
  position:relative;flex:1 1 auto;
  max-width:560px;min-width:280px;margin:0 auto;
  display:flex;align-items:center;
  background:#F2F6FB;border:1px solid var(--c-line);
  border-radius:var(--r-pill);height:48px;padding:0 6px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(21,101,168,.14);
}
.nav-search .search-ico{color:var(--c-text-3);font-size:15px;margin-right:10px;flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;border:none;background:transparent;height:44px;
  font-size:14.5px;color:var(--c-text);min-width:0;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{outline:none;}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s ease;
}
.search-btn:hover{background:var(--c-primary-dark);}

.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-link{
  font-size:14.5px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px;flex:0 0 auto;}

.nav-toggle,.nav-search-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  color:var(--c-text);font-size:18px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;
}
.nav-toggle:hover,.nav-search-toggle:hover{background:var(--c-primary-light);color:var(--c-primary);}

.mobile-search{
  display:none;background:#fff;border-bottom:1px solid var(--c-line);
  padding:12px 0 16px;overflow:hidden;
}
.mobile-search.open{display:block;animation:slideDown .22s ease;}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-search .nav-search{max-width:none;margin:0;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(15,32,50,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .26s ease;display:flex;flex-direction:column;
  box-shadow:-8px 0 32px rgba(15,32,50,.14);
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--c-line);
}
.drawer-title{font-size:15px;font-weight:600;}
.drawer-close{width:44px;height:44px;border-radius:10px;font-size:18px;color:var(--c-text-2);}
.drawer-close:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.drawer-list{padding:8px 0;overflow-y:auto;}
.drawer-list a{
  display:flex;align-items:center;height:52px;padding:0 20px;
  font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);
  position:relative;
}
.drawer-list a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.drawer-list a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-light);}
.drawer-list a.active::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
}
.drawer-foot{padding:20px;border-top:1px solid var(--c-line);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-bg-alt);}
.section-white{background:#fff;}
.section-head{margin-bottom:44px;max-width:760px;}
.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;color:var(--c-primary);
  letter-spacing:.04em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-data);}
.section-head.center .eyebrow::before{display:none;}
.section-title{font-size:30px;line-height:1.3;font-weight:700;}
.section-sub{margin-top:12px;font-size:16px;color:var(--c-text-2);line-height:1.8;max-width:38em;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.head-row .section-head{margin-bottom:0;}
.link-more{
  font-size:14.5px;font-weight:600;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.link-more:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:2px;}
.link-more i{font-size:12px;transition:transform .18s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#F7FAFD 0%,#EAF2FA 55%,#E4EFFA 100%);
  padding:72px 0 84px;
}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.hero-copy{max-width:560px;}
.hero h1{
  font-size:44px;line-height:1.25;font-weight:700;margin:18px 0 16px;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:32em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:flex;gap:40px;margin-top:38px;padding-top:26px;
  border-top:1px solid var(--c-line-strong);
}
.hero-stat strong{display:block;font-size:22px;font-weight:700;color:var(--c-primary);line-height:1.2;}
.hero-stat span{display:block;font-size:13px;color:var(--c-text-3);margin-top:4px;}

.hero-visual{position:relative;}
.hero-media{
  position:relative;border-radius:16px;overflow:hidden;
  aspect-ratio:16/10;background:var(--c-primary-light);
  box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,42,63,0) 45%,rgba(18,42,63,.32) 100%);
}
.hero-float{
  position:absolute;left:20px;bottom:20px;right:auto;
  width:min(300px,78%);
  background:#fff;border-radius:12px;padding:14px 16px;
  box-shadow:0 10px 26px rgba(15,32,50,.16);
}
.hero-float .hf-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.hf-dot{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--c-data);
}
.hf-dot i{font-size:8px;}
.hf-percent{font-size:12px;font-weight:700;color:var(--c-primary);}
.hf-bar{
  height:6px;border-radius:999px;background:#E4EEF7;margin:10px 0 8px;overflow:hidden;
}
.hf-bar span{display:block;height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--c-primary),var(--c-data));}
.hf-line{font-size:12px;color:var(--c-text-3);line-height:1.6;}
.hf-line b{color:var(--c-text-2);font-weight:600;}

/* ============ 玩法步骤 ============ */
.steps-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.step-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--c-line);}
.step-item:last-child{border-bottom:none;}
.step-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:8px;
  border:1px solid var(--c-primary);color:var(--c-data);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.02em;background:#fff;
}
.step-body h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.75;}
.steps-visual{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--c-primary-light);}
.steps-visual img{width:100%;height:100%;object-fit:cover;}
.steps-tag{
  position:absolute;left:16px;top:16px;
  background:rgba(255,255,255,.94);border-radius:var(--r-badge);
  padding:6px 12px;font-size:12.5px;font-weight:600;color:var(--c-primary-dark);
}

/* ============ 奖励卡片网格 ============ */
.reward-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.reward-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.reward-thumb{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--c-primary-light);
}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.reward-card:hover .reward-thumb img{transform:scale(1.03);}
.reward-corner{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
  height:24px;padding:0 10px;border-radius:var(--r-badge);
  display:inline-flex;align-items:center;
}
.reward-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.reward-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.reward-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.7;}
.reward-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:12.5px;color:var(--c-text-3);
}
.reward-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ============ 进度条 ============ */
.progress-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px 40px;box-shadow:var(--sh-1);
}
.progress-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;
  margin-bottom:10px;
}
.p-node{position:relative;display:flex;flex-direction:column;align-items:flex-start;}
.p-node::before{
  content:"";position:absolute;left:14px;right:-14px;top:13px;height:2px;background:var(--c-line-strong);
}
.p-node:last-child::before{display:none;}
.p-node.done::before{background:var(--c-data);}
.p-dot{
  position:relative;z-index:2;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;background:#fff;
  border:2px solid var(--c-line-strong);color:var(--c-text-3);
}
.p-node.done .p-dot{background:var(--c-data);border-color:var(--c-data);color:#fff;}
.p-node.current .p-dot{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.p-label{font-size:13.5px;font-weight:600;margin-top:12px;color:var(--c-text);}
.p-desc{font-size:12.5px;color:var(--c-text-3);margin-top:2px;line-height:1.6;padding-right:14px;}
.p-total{margin-top:30px;padding-top:24px;border-top:1px dashed var(--c-line-strong);}
.p-total-head{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--c-text-2);margin-bottom:10px;}
.p-total-head b{font-size:15px;color:var(--c-primary);font-weight:700;}
.p-total-bar{height:6px;border-radius:999px;background:#E4EEF7;overflow:hidden;}
.p-total-bar span{
  display:block;height:100%;width:72%;border-radius:999px;
  background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary) 78%,var(--c-data) 100%);
}

/* ============ CTA 横幅 ============ */
.cta-banner{
  background:var(--c-primary-light);border:1px solid var(--c-line-strong);
  border-radius:16px;padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-banner h2{font-size:26px;font-weight:700;margin-bottom:8px;}
.cta-banner p{font-size:15px;color:var(--c-text-2);}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ============ CMS 列表 ============ */
.cms-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:start;}
.cms-lead{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:block;
}
.cms-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.cms-lead-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light);}
.cms-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.cms-lead:hover .cms-lead-media img{transform:scale(1.03);}
.cms-lead-body{padding:22px 24px 24px;}
.cms-lead-body h3{font-size:21px;font-weight:600;line-height:1.45;margin:12px 0 10px;color:var(--c-text);}
.cms-lead:hover .cms-lead-body h3{color:var(--c-primary);}
.cms-lead-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.75;}
.cms-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--c-text-3);margin-top:16px;}
.cms-side{display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.cms-item{
  display:block;padding:18px 22px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease;
}
.cms-item:last-child{border-bottom:none;}
.cms-item:hover{background:var(--c-bg-alt);}
.cms-item h3{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-item:hover h3{color:var(--c-primary);}
.cms-item p{
  font-size:13.5px;color:var(--c-text-2);line-height:1.7;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-item .cms-meta{margin-top:10px;gap:10px;}
.cms-empty{
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;background:#fff;border:1px dashed var(--c-line-strong);
  border-radius:var(--r-card);padding:32px;
}
.cms-empty i{font-size:44px;color:#CBD8E4;}
.cms-empty p{font-size:14px;color:var(--c-text-3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:10px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--c-line-strong);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
  position:relative;min-height:44px;
}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--c-primary);background:var(--c-primary-light);
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 22px 20px 22px;font-size:14.5px;color:var(--c-text-2);line-height:1.85;
  border-top:1px solid var(--c-line);margin-top:0;padding-top:16px;
}

/* ============ 表单 ============ */
.form-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  box-shadow:var(--sh-1);padding:40px;
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;
}
.form-intro h2{font-size:28px;font-weight:700;margin-bottom:14px;}
.form-intro p{font-size:15px;color:var(--c-text-2);line-height:1.8;}
.form-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.form-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-text-2);}
.form-points i{color:var(--c-data);margin-top:5px;font-size:12px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-text-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;height:46px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#F8FBFE;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:110px;padding:13px 18px;border-radius:16px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(21,101,168,.13);
}
.form-note{font-size:12.5px;color:var(--c-text-3);margin-top:12px;line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;padding:10px 16px;border-radius:10px;
  font-size:13.5px;line-height:1.6;
}
.form-msg.ok{display:block;background:rgba(15,169,143,.12);color:#0B7E6C;}
.form-msg.warn{display:block;background:rgba(242,118,43,.12);color:#B85413;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-footer);color:var(--c-footer-text);padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(200,216,230,.16);
}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#1E7BBE 0%,#0FA98F 100%);}
.footer-desc{font-size:14px;color:#9FB8CC;line-height:1.8;margin-top:16px;max-width:28em;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:40px;height:40px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(200,216,230,.10);color:#C8D8E6;font-size:15px;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:#A9C1D4;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:14px;color:#A9C1D4;margin-bottom:11px;display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.footer-contact i{margin-top:5px;font-size:12px;color:var(--c-data);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 28px;font-size:13px;color:#8FA9BF;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom-links a{color:#8FA9BF;font-size:13px;}
.footer-bottom-links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .hero h1{font-size:38px;}
  .nav-links{gap:16px;}
  .nav-link{font-size:14px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle,.nav-search-toggle{display:inline-flex;}
  .nav-wrap{height:68px;justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-copy{max-width:none;}
  .steps-layout{grid-template-columns:1fr;gap:36px;}
  .steps-visual{order:-1;}
  .cms-layout{grid-template-columns:1fr;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .form-panel{grid-template-columns:1fr;gap:32px;padding:30px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-title{font-size:26px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  .hero{padding:48px 0 60px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:24px;flex-wrap:wrap;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 46%;}
  .reward-grid{grid-template-columns:1fr;}
  .progress-panel{padding:26px 22px;}
  .progress-track{grid-template-columns:1fr;gap:20px;}
  .p-node::before{left:13px;top:28px;bottom:-20px;right:auto;width:2px;height:auto;}
  .p-node:last-child::before{display:none;}
  .p-label{margin-top:10px;}
  .head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .hero h1{font-size:26px;}
  .section-title{font-size:23px;}
  .cta-banner h2{font-size:22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;width:100%;margin-top:14px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* roulang page: category1 */
:root{
  --brand:#1565A8;
  --brand-dark:#11507F;
  --brand-light:#E8F1F9;
  --teal:#0FA98F;
  --orange:#F2762B;
  --ink:#17222E;
  --ink-2:#55677A;
  --ink-3:#8C9BAA;
  --bg:#F5F8FC;
  --bg-alt:#EDF3FA;
  --card:#FFFFFF;
  --line:#E1EAF3;
  --line-strong:#C9DCEB;
  --footer-bg:#122A3F;
  --footer-text:#C8D8E6;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(21,60,100,.06);
  --sh-2:0 12px 28px rgba(21,60,100,.12);
  --sh-nav:0 4px 16px rgba(21,60,100,.08);
  --container:1200px;
  --nav-h:76px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
::selection{background:var(--brand-light);color:var(--brand-dark);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media screen and (min-width:1440px){
  .container{max-width:1280px;}
}
@media screen and (max-width:575px){
  .container{padding:0 20px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 4px 14px rgba(242,118,43,.26);}
.btn-primary:hover{background:#DE661F;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,118,43,.3);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(242,118,43,.24);}
.btn-blue{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(21,101,168,.22);}
.btn-blue:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(21,101,168,.28);}
.btn-blue:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(21,101,168,.2);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn:focus-visible,.btn-link:focus-visible,
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  border-radius:6px;font-size:12px;font-weight:600;line-height:1;
  background:var(--brand-light);color:var(--brand-dark);
  border:1px solid #D3E5F4;
}
.badge-orange{background:var(--orange);color:#fff;border-color:var(--orange);}
.badge-teal{background:#E2F6F2;color:#0B7F6C;border-color:#C4EBE3;}
.badge-plain{background:#F1F5FA;color:var(--ink-2);border-color:var(--line);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand) 0%,#1C7DC0 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;
}
.brand-text{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--brand-dark);}

.nav-search{
  position:relative;flex:1 1 auto;
  max-width:560px;min-width:320px;
  display:flex;align-items:center;
}
.nav-search .search-icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);font-size:15px;pointer-events:none;
}
.nav-search input[type="search"]{
  width:100%;height:50px;margin:0;
  padding:0 128px 0 46px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:var(--bg);
  font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search input[type="search"]::placeholder{color:var(--ink-3);}
.nav-search input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(21,101,168,.14);
}
.nav-search .search-submit{
  position:absolute;right:5px;top:5px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:background-color .16s ease;
}
.nav-search .search-submit:hover{background:var(--brand-dark);}

.nav-right{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .16s ease,background-color .16s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.active{color:var(--brand);font-weight:600;background:var(--brand-light);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:8px;height:44px;min-height:44px;padding:0 20px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-btn);
  color:var(--ink);font-size:18px;background:var(--bg);
  border:1px solid var(--line);
}
.nav-toggle:hover{background:var(--brand-light);color:var(--brand);}

.mobile-search{
  display:none;
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
  padding:14px 20px;
}
.mobile-search.is-open{display:block;animation:dropIn .22s ease both;}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-search form{display:flex;gap:10px;}
.mobile-search input[type="search"]{
  flex:1;height:48px;margin:0;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);background:var(--bg);
  font-size:15px;
}
.mobile-search input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,101,168,.14);
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,36,58,.46);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:84%;max-width:360px;height:100%;
  background:#fff;padding:18px 0 32px;
  transform:translateX(102%);
  transition:transform .24s ease;
  overflow-y:auto;box-shadow:-8px 0 30px rgba(16,36,58,.16);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px 16px;border-bottom:1px solid var(--line);margin-bottom:8px;
}
.drawer-head .brand-text{font-size:17px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);background:var(--bg);
  color:var(--ink-2);font-size:16px;border:1px solid var(--line);
}
.drawer-close:hover{background:var(--brand-light);color:var(--brand);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 20px;
  border-bottom:1px solid var(--line);
  font-size:16px;color:var(--ink-2);
  border-left:3px solid transparent;
}
.drawer-link:hover{background:var(--bg);color:var(--brand);}
.drawer-link.active{
  color:var(--brand);font-weight:600;background:var(--brand-light);
  border-left-color:var(--brand);
}
.drawer-cta{margin:20px;display:flex;}
.drawer-cta .btn{width:100%;}

@media screen and (max-width:991px){
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .brand-text{font-size:17px;}
  .nav-inner{gap:12px;}
  h1{font-size:30px;}
  h2{font-size:25px;}
}
@media screen and (min-width:992px){
  .mobile-search{display:none !important;}
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:18px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;margin-top:20px;
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);
  min-height:248px;
  display:flex;align-items:center;
  background-image:
    linear-gradient(100deg,#E8F1F9 0%,#E8F1F9 40%,rgba(232,241,249,.72) 62%,rgba(232,241,249,.12) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:left center,right center;
  background-repeat:no-repeat,no-repeat;
}
.page-banner-inner{padding:38px 40px;max-width:640px;}
.page-banner .eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:6px;
  background:#fff;border:1px solid var(--line-strong);
  color:var(--brand-dark);font-size:12px;font-weight:600;margin-bottom:14px;
}
.page-banner h1{margin-bottom:12px;}
.page-banner .lead{font-size:17px;color:var(--ink-2);line-height:1.75;max-width:56ch;}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:24px;
}
.banner-stats li{display:flex;flex-direction:column;}
.banner-stats .num{font-size:24px;font-weight:700;color:var(--brand);line-height:1.2;}
.banner-stats .lbl{font-size:13px;color:var(--ink-3);}

@media screen and (max-width:767px){
  .page-banner{min-height:210px;background-position:left center,78% center;}
  .page-banner-inner{padding:26px 22px;}
  .page-banner .lead{font-size:15px;}
  .banner-stats{gap:20px;margin-top:18px;}
  .banner-stats .num{font-size:20px;}
}

/* ============ 主内容区 ============ */
.section{padding:56px 0 0;}
.section-lg{padding-top:72px;}
.section-head{margin-bottom:24px;}
.section-head .kicker{
  display:block;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.04em;margin-bottom:8px;
}
.section-head p{margin-top:8px;color:var(--ink-2);font-size:15px;max-width:70ch;}

.catalog-row{margin-left:-16px;margin-right:-16px;}
.catalog-row > [class*="columns"]{padding-left:16px;padding-right:16px;}

/* 筛选栏 */
.filter-panel{
  position:sticky;top:calc(var(--nav-h) + 18px);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px;
}
.filter-panel h2{
  font-size:16px;font-weight:700;margin-bottom:4px;
  display:flex;align-items:center;gap:8px;
}
.filter-panel .panel-note{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.filter-group + .filter-group{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
}
.filter-group h3{
  font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;
  margin-bottom:10px;text-transform:none;
}
.filter-item{
  display:flex;align-items:center;justify-content:space-between;
  height:38px;padding:0 12px;border-radius:8px;
  font-size:14px;color:var(--ink-2);
  border:1px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.filter-item:hover{background:var(--bg);color:var(--brand);}
.filter-item.active{
  background:var(--brand-light);color:var(--brand-dark);
  border-color:#CFE3F4;font-weight:600;
}
.filter-item .count{font-size:12px;color:var(--ink-3);font-weight:500;}
.filter-item.active .count{color:var(--brand);}
.filter-tip{
  margin-top:18px;padding:14px;border-radius:10px;
  background:var(--bg-alt);border:1px dashed var(--line-strong);
  font-size:13px;color:var(--ink-2);line-height:1.7;
}

/* 模块列表 */
.list-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:12px;margin-bottom:18px;
}
.list-head h2{font-size:22px;}
.list-head .list-meta{font-size:13px;color:var(--ink-3);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-strong);
  color:var(--ink-2);font-size:14px;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

.module-list{display:flex;flex-direction:column;gap:16px;}
.mod-item{
  display:flex;align-items:stretch;gap:18px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mod-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:var(--line-strong);
  color:inherit;
}
.mod-thumb{
  width:200px;height:120px;flex:0 0 200px;
  border-radius:12px;overflow:hidden;
  background:var(--bg-alt);
}
.mod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.mod-item:hover .mod-thumb img{transform:scale(1.03);}
.mod-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.mod-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px;}
.mod-item h3{
  font-size:18px;font-weight:600;color:var(--ink);
  margin-bottom:6px;
  transition:color .16s ease;
}
.mod-item:hover h3{color:var(--brand);}
.mod-item p{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mod-meta{
  display:flex;flex-wrap:wrap;gap:16px;
  margin-top:auto;padding-top:10px;
  font-size:12.5px;color:var(--ink-3);
}
.mod-meta span{display:inline-flex;align-items:center;gap:6px;}
.mod-meta i{color:var(--line-strong);}
.mod-arrow{
  align-self:center;color:var(--line-strong);font-size:16px;
  transition:color .18s ease,transform .18s ease;flex:0 0 auto;
}
.mod-item:hover .mod-arrow{color:var(--brand);transform:translateX(3px);}

.list-foot{
  margin-top:20px;display:flex;justify-content:center;
}
.btn-more{
  min-width:220px;background:#fff;border:1px solid var(--line-strong);
  color:var(--brand);font-weight:600;
}
.btn-more:hover{background:var(--brand-light);border-color:var(--brand);}

@media screen and (max-width:767px){
  .filter-panel{position:static;margin-bottom:20px;}
  .mod-item{flex-direction:column;gap:12px;}
  .mod-thumb{width:100%;height:172px;flex:0 0 auto;}
  .mod-arrow{display:none;}
}

/* ============ 编号清单 ============ */
.steps-block{
  margin-top:72px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px;
}
.steps-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 32px;margin-top:22px;}
.step{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px;border-radius:12px;background:var(--bg);
  border:1px solid var(--line);
  transition:border-color .18s ease,background-color .18s ease;
}
.step:hover{border-color:var(--line-strong);background:#fff;}
.step-num{
  width:42px;height:42px;flex:0 0 42px;border-radius:8px;
  border:1px solid var(--line-strong);background:#fff;
  color:var(--teal);font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.7;}
@media screen and (max-width:767px){
  .steps-block{padding:22px;margin-top:56px;}
  .steps-list{grid-template-columns:1fr;gap:14px;}
}

/* ============ CTA 横幅 ============ */
.cta-band{
  margin-top:80px;
  background:var(--brand-light);
  border:1px solid #D6E6F5;
  border-radius:var(--r-card);
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:60ch;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}
@media screen and (max-width:991px){
  .cta-band{flex-direction:column;align-items:stretch;padding:26px 22px;margin-top:56px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
}

/* ============ FAQ ============ */
.faq-section{margin-top:80px;}
.faq-list{max-width:860px;display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;position:relative;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:#CFE3F4;box-shadow:var(--sh-1);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .16s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  width:28px;height:28px;flex:0 0 28px;border-radius:8px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform .2s ease,background-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a-inner{
  padding:0 20px 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;
}
@media screen and (max-width:767px){
  .faq-section{margin-top:56px;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a-inner{padding:0 16px 18px;font-size:14px;}
}

/* ============ 相关分类 ============ */
.related-section{margin-top:80px;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px;
}
.related-card{
  display:flex;flex-direction:column;gap:8px;
  padding:22px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);color:inherit;}
.related-card .rc-label{
  font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.04em;
}
.related-card h3{font-size:18px;}
.related-card p{font-size:14px;color:var(--ink-2);line-height:1.7;}
.related-card .rc-go{
  margin-top:6px;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.related-card:hover .rc-go{color:var(--brand-dark);}
@media screen and (max-width:991px){
  .related-grid{grid-template-columns:1fr;}
  .related-section{margin-top:56px;}
}

/* ============ 表单 ============ */
.form-section{margin-top:80px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:30px;
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:32px;
}
.form-intro h2{font-size:24px;margin-bottom:10px;}
.form-intro p{font-size:15px;color:var(--ink-2);}
.form-intro ul{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.form-intro li{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.form-intro li i{color:var(--teal);}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;margin:0;
  border:1px solid var(--line-strong);border-radius:10px;
  background:var(--bg);font-size:15px;color:var(--ink);
  padding:0 16px;height:46px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 16px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(21,101,168,.13);
}
.form-hint{font-size:12.5px;color:var(--ink-3);margin-top:10px;}
@media screen and (max-width:991px){
  .form-card{grid-template-columns:1fr;padding:22px;gap:22px;}
  .form-section{margin-top:56px;}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--footer-bg);
  color:var(--footer-text);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:36px;
}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#1C7DC0 0%,var(--teal) 100%);}
.footer-desc{font-size:14px;color:var(--footer-text);line-height:1.8;max-width:40ch;}
.footer-social{display:flex;gap:10px;margin-top:16px;}
.footer-social a{
  width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:var(--footer-text);font-size:15px;
  transition:background-color .18s ease,color .18s ease;
}
.footer-social a:hover{background:var(--brand);color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--footer-text);}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{
  display:flex;gap:10px;font-size:14px;color:var(--footer-text);line-height:1.7;
}
.footer-contact i{margin-top:5px;color:#7FA6C6;}
.footer-bottom{
  border-top:1px solid rgba(200,216,230,.18);
  padding:18px 0 24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#9FB8CC;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{color:#9FB8CC;}
.footer-bottom-links a:hover{color:#fff;}
@media screen and (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .site-footer{margin-top:64px;padding-top:40px;}
}
@media screen and (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* Foundation 覆盖 */
.row{margin-left:-16px;margin-right:-16px;}
.row .column,.row .columns{padding-left:16px;padding-right:16px;}
button,.button{font-family:inherit;}

/* roulang page: category2 */
:root{
  --primary:#1565A8;
  --primary-dark:#11507F;
  --primary-light:#E8F1F9;
  --data:#0FA98F;
  --accent:#F2762B;
  --accent-dark:#DE661F;
  --ink:#17222E;
  --ink-2:#55677A;
  --ink-3:#8C9BAA;
  --bg:#F5F8FC;
  --bg-alt:#EDF3FA;
  --card:#FFFFFF;
  --line:#E1EAF3;
  --line-strong:#C9DCEB;
  --footer-bg:#122A3F;
  --footer-ink:#C8D8E6;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(21,60,100,.06);
  --sh-2:0 12px 28px rgba(21,60,100,.12);
  --sh-nav:0 4px 16px rgba(21,60,100,.08);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:visited{color:var(--ink);}
a:hover{color:var(--primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,#1B7CBF 100%);
  color:#fff;font-size:16px;
  box-shadow:var(--sh-1);
}
.brand-text{
  font-size:19px;
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--primary);}

.nav-search{
  flex:1 1 auto;
  max-width:560px;
  min-width:320px;
  display:flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 6px 0 18px;
  background:#F7FAFD;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(21,101,168,.14);
}
.nav-search > i{color:var(--ink-3);font-size:15px;flex:none;}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{
  flex:none;
  height:36px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .2s ease,transform .15s ease;
}
.nav-search button:hover{background:var(--primary-dark);}
.nav-search button:active{transform:translateY(1px);}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:none;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 12px;
  border-radius:var(--r-btn);
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-link.active{
  color:var(--primary);
  font-weight:600;
  background:var(--primary-light);
}

.header-actions{display:none;margin-left:auto;align-items:center;gap:8px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  color:var(--ink-2);
  font-size:17px;
  border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:var(--primary-light);}

.nav-cta{
  flex:none;
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .2s ease,box-shadow .2s ease,transform .15s ease;
}
.nav-cta:hover{background:var(--primary-dark);color:#fff;box-shadow:0 6px 16px rgba(21,101,168,.24);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);box-shadow:none;}

.mobile-search{
  display:none;
  padding:0 24px 16px;
  background:#fff;
  border-top:1px solid var(--line);
}
.mobile-search.is-open{display:block;animation:slideDown .22s ease both;}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-search .nav-search{max-width:none;min-width:0;width:100%;margin-top:12px;}

.drawer-mask{
  position:fixed;inset:0;
  background:rgba(15,38,60,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;
  width:84%;
  max-width:380px;
  height:100%;
  background:#fff;
  z-index:200;
  transform:translateX(102%);
  transition:transform .26s ease;
  overflow-y:auto;
  padding:20px 0 32px;
  box-shadow:-12px 0 32px rgba(21,60,100,.16);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px 16px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:16px;font-weight:600;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:18px;
}
.drawer-close:hover{background:var(--primary-light);color:var(--primary);}
.drawer-links{padding:8px 0 0;}
.drawer-links a{
  display:flex;align-items:center;
  min-height:52px;
  padding:0 20px;
  font-size:15.5px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
  position:relative;
}
.drawer-links a:hover{background:var(--bg);color:var(--primary);}
.drawer-links a.active{color:var(--primary);font-weight:600;background:var(--primary-light);}
.drawer-links a.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
}
.drawer-search{padding:18px 20px 6px;}
.drawer-search .nav-search{width:100%;min-width:0;max-width:none;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;
  font-size:12.5px;
  color:var(--ink-3);
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--ink-2);font-weight:600;}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:#EDF3FA url('/assets/images/backpic/back-2.png') right center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(245,248,252,.97) 0%,rgba(245,248,252,.92) 42%,rgba(245,248,252,.35) 100%);
}
.hero-inner{
  position:relative;
  z-index:1;
  max-width:720px;
  padding:56px 0 60px;
  min-height:260px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;
  border-radius:6px;
  font-size:12px;font-weight:600;
  letter-spacing:.02em;
}
.badge-soft{background:var(--primary-light);color:var(--primary-dark);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-data{background:rgba(15,169,143,.12);color:#0B8A75;}

.page-hero h1{
  margin-top:16px;
  font-size:42px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:620px;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:28px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .15s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(21,101,168,.18);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(21,101,168,.24);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 6px rgba(21,101,168,.18);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(242,118,43,.2);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,118,43,.26);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary);border-color:transparent;box-shadow:var(--sh-1);}
.btn-light:hover{background:#fff;color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(21,101,168,.16);}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-more:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--ink-2);
}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0;}
.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--data);
}

/* ============ 统计条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.stat-item{
  background:#fff;
  padding:26px 24px;
}
.stat-num{
  display:block;
  font-size:28px;
  font-weight:700;
  line-height:1.2;
  color:var(--primary);
  letter-spacing:-.01em;
}
.stat-item:nth-child(2) .stat-num{color:var(--data);}
.stat-item:nth-child(3) .stat-num{color:var(--accent);}
.stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--ink-3);
}

/* ============ 奖励卡片网格 ============ */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.reward-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.reward-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:var(--line-strong);
}
.reward-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--primary-light);
}
.reward-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.reward-card:hover .reward-media img{transform:scale(1.03);}
.corner-tag{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:6px;
  background:var(--accent);
  color:#fff;
  font-size:12px;font-weight:600;
}
.corner-tag.tag-data{background:var(--data);}
.corner-tag.tag-primary{background:var(--primary);}
.reward-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.reward-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:600;
}
.reward-body h3 a{color:var(--ink);}
.reward-body h3 a:hover{color:var(--primary);}
.reward-body p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-2);
}
.meta-row{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:8px 16px;
  font-size:12.5px;
  color:var(--ink-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}

/* ============ 分栏（等级 / 表格） ============ */
.split-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.split-text h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.split-text p{color:var(--ink-2);margin-bottom:22px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:12px;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  font-size:14.5px;
  line-height:1.7;
  color:var(--ink-2);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:var(--line-strong);box-shadow:var(--sh-1);}
.check-list li i{
  flex:none;
  width:22px;height:22px;
  margin-top:4px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(15,169,143,.12);
  color:var(--data);
  font-size:11px;
}
.check-list li strong{color:var(--ink);font-weight:600;}

.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--sh-1);
}
.data-table{min-width:560px;font-size:14.5px;}
.data-table caption{
  caption-side:top;
  text-align:left;
  padding:18px 20px 0;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
}
.data-table th,.data-table td{
  padding:14px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.data-table thead th{
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:13.5px;
  font-weight:600;
  white-space:nowrap;
}
.data-table tbody tr:nth-child(even){background:#FAFCFE;}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table tbody tr:hover{background:#F4F9FE;}
.data-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}

/* ============ 领取条件卡 ============ */
.rule-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.rule-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  display:flex;
  gap:16px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.rule-index{
  flex:none;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:#F7FAFD;
  color:var(--primary);
  font-size:15px;
  font-weight:700;
}
.rule-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.rule-card p{font-size:14.5px;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{box-shadow:var(--sh-1);border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 20px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:box-shadow .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--primary);color:var(--primary-dark);}
.faq-item summary .faq-icon{
  flex:none;
  width:22px;height:22px;
  margin-top:3px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);
  font-size:12px;
  transition:transform .2s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);}
.faq-answer{
  padding:0 20px 20px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ============ CTA 横幅 ============ */
.cta-band{
  background:var(--primary-light);
  border:1px solid var(--line-strong);
  border-radius:var(--r-card);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:560px;
}
.cta-actions{display:flex;gap:12px;flex:none;flex-wrap:wrap;}

/* ============ 相关分类 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.related-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.related-card .rc-tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:6px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:12px;font-weight:600;
}
.related-card h3{
  margin-top:12px;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
}
.related-card p{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-2);
}
.related-card .rc-go{
  margin-top:14px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--primary);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--footer-bg);
  color:var(--footer-ink);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand:hover .brand-text{color:#9CC7E8;}
.footer-desc{
  font-size:13.5px;
  line-height:1.8;
  color:var(--footer-ink);
  max-width:320px;
}
.footer-social{
  display:flex;gap:10px;margin-top:18px;
}
.footer-social a{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,.08);
  color:var(--footer-ink);
  font-size:15px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:13.5px;
  color:var(--footer-ink);
}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--footer-ink);
  margin-bottom:12px;
}
.footer-contact li i{margin-top:5px;color:#7FB2D9;flex:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--footer-ink);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{color:var(--footer-ink);}
.footer-bottom-links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1280px;}
}

@media (max-width:1199px){
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .split-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-link{padding:0 10px;font-size:14.5px;}
}

@media (max-width:991px){
  .nav-search,.nav-links,.nav-cta{display:none;}
  .header-actions{display:flex;}
  .header-inner{min-height:68px;}
  .section{padding:64px 0;}
  .page-hero h1{font-size:34px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-actions{width:100%;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2,.split-text h2{font-size:24px;}
  .cta-band h2{font-size:22px;}
  .reward-grid{grid-template-columns:1fr;gap:20px;}
  .rule-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
}

@media (max-width:575px){
  .container{padding:0 16px;}
  .stat-strip{grid-template-columns:1fr;}
  .page-hero h1{font-size:26px;}
  .brand-text{font-size:17px;}
  .meta-row{font-size:12px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#1565A8;
  --brand-dark:#11507F;
  --brand-light:#E8F1F9;
  --data:#0FA98F;
  --accent:#F2762B;
  --accent-dark:#DE6519;
  --ink:#17222E;
  --ink-2:#55677A;
  --ink-3:#8C9BAA;
  --bg:#F5F8FC;
  --bg-alt:#EDF3FA;
  --card:#FFFFFF;
  --line:#E1EAF3;
  --line-strong:#C9DCEB;
  --footer-bg:#122A3F;
  --footer-ink:#C8D8E6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(21,60,100,.06);
  --sh-2:0 12px 28px rgba(21,60,100,.12);
  --sh-nav:0 4px 16px rgba(21,60,100,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;}
button{font-family:inherit;}
input,textarea,select{margin:0;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;}
p{margin:0 0 18px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:575px){.container{padding:0 20px;}}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#1565A8,#2E86C8);color:#fff;display:grid;place-items:center;font-size:15px;}
.brand-text{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.01em;white-space:nowrap;}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 46%;max-width:560px;min-width:320px;}
.nav-search .search-icon{position:absolute;left:18px;color:var(--ink-3);font-size:15px;pointer-events:none;}
.nav-search input[type="search"]{
  width:100%;height:46px;margin:0;padding:0 112px 0 46px;
  border:1px solid var(--line-strong);border-radius:var(--r-pill);background:#fff;
  font-size:15px;color:var(--ink);box-shadow:none;transition:border-color .2s,box-shadow .2s;
}
.nav-search input[type="search"]::placeholder{color:var(--ink-3);}
.nav-search input[type="search"]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,101,168,.14);}
.nav-search button{
  position:absolute;right:5px;height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s;
}
.nav-search button:hover{background:var(--brand-dark);}
.nav-links{display:flex;align-items:center;gap:20px;}
.nav-link{font-size:15px;color:var(--ink-2);padding:6px 0;position:relative;white-space:nowrap;}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;
  border-radius:var(--r-btn);background:var(--accent);color:#fff;font-size:14px;font-weight:600;white-space:nowrap;
  transition:background-color .2s,transform .2s;
}
.nav-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.icon-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink-2);
  font-size:17px;cursor:pointer;transition:.2s;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.mobile-search{
  position:absolute;left:0;right:0;top:100%;z-index:70;background:#fff;border-bottom:1px solid var(--line);
  padding:14px 20px;box-shadow:var(--sh-nav);visibility:hidden;opacity:0;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mobile-search.open{visibility:visible;opacity:1;transform:translateY(0);}
.mobile-search .nav-search{display:flex;max-width:none;min-width:0;flex:1 1 auto;}
.drawer-mask{position:fixed;inset:0;z-index:80;background:rgba(18,42,63,.45);opacity:0;visibility:hidden;transition:.25s;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;width:84%;max-width:360px;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;padding-bottom:32px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-head .icon-btn{display:inline-flex;}
.drawer-link{position:relative;display:flex;align-items:center;height:52px;padding:0 20px;border-bottom:1px solid var(--line);color:var(--ink);font-size:15px;}
.drawer-link:hover{color:var(--brand);background:var(--brand-light);}
.drawer-link.active{color:var(--brand);font-weight:600;}
.drawer-link.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);}
@media (max-width:1199px){
  .nav-links{gap:14px;}
  .nav-link{font-size:14px;}
  .nav-cta{display:none;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-search:not(.mobile-search .nav-search){display:none;}
  .search-toggle,.drawer-toggle{display:inline-flex;}
  .header-inner{gap:12px;justify-content:space-between;}
  .brand{margin-right:auto;}
}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-blue{background:var(--brand);color:#fff;}
.btn-blue:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--brand);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;background:var(--brand-light);color:var(--brand);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-data{background:rgba(15,169,143,.12);color:#0B8B76;}

/* ---------- breadcrumb + article head ---------- */
main{display:block;}
.article-hero{padding:26px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2);}
.article-head{padding:18px 0 0;}
.article-title{font-size:clamp(28px,4vw,42px);line-height:1.28;font-weight:700;margin:16px 0 14px;max-width:22em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:13px;color:var(--ink-3);padding-bottom:20px;border-bottom:1px solid var(--line);}
.article-meta i{margin-right:6px;color:var(--line-strong);}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start;padding:40px 0 72px;}
.article-body{max-width:820px;font-size:16.5px;line-height:1.85;color:#243341;}
.article-body h2{position:relative;font-size:26px;line-height:1.35;font-weight:700;margin:38px 0 16px;padding-left:14px;color:var(--ink);}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;color:var(--ink);}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body strong{color:var(--brand-dark);}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;}
.article-body ul{list-style:none;padding-left:4px;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:8px;}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:#fff;border:2px solid var(--brand);}
.article-body ol li{margin-bottom:8px;}
.article-body blockquote{margin:22px 0;padding:16px 20px;border-left:3px solid var(--data);background:#F1FAF8;border-radius:0 12px 12px 0;color:var(--ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:20px auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.table-wrap{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:12px;}
.article-body table{width:100%;border-collapse:collapse;margin:0;font-size:14.5px;background:#fff;}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAFCFE;}
.article-body tbody tr:last-child td{border-bottom:0;}
.inline-related{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line-strong);border-left:4px solid var(--brand);border-radius:12px;padding:16px 18px;margin:26px 0;box-shadow:var(--sh-1);}
.inline-related img{width:104px;height:76px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.inline-related .ir-label{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:6px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:600;margin-bottom:6px;}
.inline-related h4{font-size:16px;font-weight:600;margin:0 0 6px;}
.inline-related p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.6;}
.empty-state{margin:10px 0;padding:56px 24px;text-align:center;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-card);}
.empty-state i{font-size:48px;color:var(--line-strong);}
.empty-state p{margin:16px 0 20px;font-size:14px;color:var(--ink-2);}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;font-weight:600;margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--ink);}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;}
.toc-list li{margin-bottom:9px;}
.toc-list li:last-child{margin-bottom:0;}
.toc-list a{display:block;color:var(--ink-2);line-height:1.55;}
.toc-list a:hover{color:var(--brand);}
.toc-list .toc-sub{padding-left:14px;font-size:13px;}
.toc-empty{font-size:13px;color:var(--ink-3);}
.mini-list{list-style:none;margin:0;padding:0;}
.mini-list li{padding:11px 0;border-bottom:1px dashed var(--line);}
.mini-list li:first-child{padding-top:0;}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list a{display:block;font-size:14.5px;font-weight:600;line-height:1.55;color:var(--ink);}
.mini-list a:hover{color:var(--brand);}
.mini-list time{display:block;margin-top:5px;font-size:12px;color:var(--ink-3);font-weight:400;}
.side-cta{background:linear-gradient(140deg,#E8F1F9,#F2FAF8);border-color:var(--line-strong);}
.side-cta h3{border-bottom-color:rgba(21,101,168,.15);}
.side-cta p{font-size:14px;color:var(--ink-2);margin:0 0 16px;}
.side-cta .btn{width:100%;}

/* ---------- bottom blocks ---------- */
.section{padding:64px 0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.section-head .sub{margin-top:10px;font-size:14.5px;color:var(--ink-2);max-width:64ch;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rc-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;}
.rc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.rc-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-light);}
.rc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rc-card:hover .rc-thumb img{transform:scale(1.03);}
.rc-body{padding:16px 18px 18px;}
.rc-body .badge{margin-bottom:10px;}
.rc-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--ink);}
.rc-body p{font-size:14px;color:var(--ink-2);margin:0 0 12px;}
.rc-meta{font-size:12.5px;color:var(--ink-3);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.post-nav a{display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.22s;}
.post-nav a:hover{background:var(--brand-light);border-color:var(--line-strong);}
.post-nav .pn-label{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px;}
.post-nav .pn-title{display:block;font-size:16px;font-weight:600;color:var(--ink);}
.post-nav .pn-next{text-align:right;}
.back-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand-light);border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:46px 0;}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.35;}
.cta-inner p{margin:10px 0 0;font-size:15px;color:var(--ink-2);max-width:60ch;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ---------- form ---------- */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:var(--ink-2);font-weight:600;}
.field input,.field textarea{
  width:100%;height:46px;padding:0 16px;border:1px solid var(--line-strong);border-radius:10px;
  font-size:15px;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:118px;padding:12px 16px;border-radius:12px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,101,168,.13);}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px;}
.form-note{font-size:13px;color:var(--ink-3);}
.form-tip{margin-top:16px;padding:10px 14px;border-radius:10px;background:#F1FAF8;color:#0B8B76;font-size:13.5px;}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-ink);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col li:last-child{margin-bottom:0;}
.footer-col a{font-size:14px;color:var(--footer-ink);}
.footer-col a:hover{color:#fff;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-desc{font-size:14px;color:#9FB6C9;line-height:1.75;max-width:34ch;margin:0 0 18px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:rgba(200,216,230,.1);color:var(--footer-ink);font-size:15px;transition:.2s;}
.footer-social a:hover{background:var(--brand);color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--footer-ink);line-height:1.7;}
.footer-contact i{margin-top:5px;color:#8FB4CF;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:42px;padding:20px 0 26px;border-top:1px solid rgba(200,216,230,.18);font-size:13px;color:#9FB6C9;}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{color:#9FB6C9;font-size:13px;}
.footer-bottom-links a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:991px){
  .article-layout{grid-template-columns:1fr;gap:32px;padding:32px 0 56px;}
  .side-col{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .form-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .pn-next{text-align:left;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .inline-related{flex-direction:column;align-items:flex-start;}
  .inline-related img{width:100%;height:150px;}
}
@media (max-width:575px){
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .article-title{font-size:28px;}
  .form-wrap{padding:20px;}
}

/* roulang page: category3 */
:root{
  --brand:#1565A8;
  --brand-dark:#11507F;
  --brand-light:#E8F1F9;
  --data:#0FA98F;
  --accent:#F2762B;
  --ink:#17222E;
  --ink-2:#55677A;
  --ink-3:#8C9BAA;
  --bg:#F5F8FC;
  --bg-alt:#EDF3FA;
  --card:#FFFFFF;
  --line:#E1EAF3;
  --line-strong:#C9DCEB;
  --footer-bg:#122A3F;
  --footer-text:#C8D8E6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --shadow-1:0 2px 8px rgba(21,60,100,.06);
  --shadow-2:0 12px 28px rgba(21,60,100,.12);
  --shadow-nav:0 4px 16px rgba(21,60,100,.08);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 var(--sp-2);color:var(--ink);font-weight:700;letter-spacing:-0.01em;line-height:1.3;}
h1{font-size:44px;line-height:1.25;}
h2{font-size:30px;}
h3{font-size:21px;font-weight:600;line-height:1.4;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 var(--sp-3);}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1280px;}}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-light);border-radius:var(--r-badge);
  padding:4px 10px;margin-bottom:var(--sp-2);
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head h2{margin-bottom:0;}
.section-desc{max-width:520px;font-size:15px;color:var(--ink-2);margin:0;line-height:1.8;}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  text-decoration:none;transition:all .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(21,101,168,.18);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(21,101,168,.24);}
.btn-brand:active{transform:translateY(1px);box-shadow:none;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(242,118,43,.2);}
.btn-accent:hover{background:#DE651B;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,118,43,.28);}
.btn-accent:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);}
.btn-ghost-white{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-ghost-white:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-block{width:100%;}
/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-light);color:var(--brand-dark);}
.badge-data{background:#E2F6F2;color:#0B7C68;}
.badge-accent{background:var(--accent);color:#fff;}
.badge-mute{background:#EEF3F8;color:var(--ink-3);}
/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,#1E86CB 100%);
  color:#fff;font-size:17px;box-shadow:0 4px 12px rgba(21,101,168,.24);
}
.brand-text{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.01em;}
.nav-search{
  flex:1 1 auto;min-width:320px;max-width:560px;margin:0 auto;position:relative;display:flex;align-items:center;
}
.nav-search-icon{position:absolute;left:18px;color:var(--ink-3);font-size:14px;pointer-events:none;}
.nav-search-input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line-strong);
  background:#F7FAFD;padding:0 116px 0 44px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search-input::placeholder{color:var(--ink-3);}
.nav-search-input:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(21,101,168,.14);
}
.nav-search-btn{
  position:absolute;right:5px;height:36px;padding:0 18px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease;
}
.nav-search-btn:hover{background:var(--brand-dark);}
.nav-right{display:flex;align-items:center;gap:20px;flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:22px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;text-decoration:none;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);text-decoration:none;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{flex:0 0 auto;}
.icon-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
  transition:background-color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--brand-light);border-color:var(--line-strong);}
.nav-toggle{display:none;}
/* 移动搜索层 */
.mobile-search-panel{
  max-height:0;overflow:hidden;background:#fff;border-bottom:1px solid transparent;
  transition:max-height .24s ease,border-color .24s ease;
}
.mobile-search-panel.is-open{max-height:140px;border-bottom-color:var(--line);}
.mobile-search-inner{padding:12px 0 16px;}
.mobile-search-form{position:relative;display:flex;align-items:center;}
.mobile-search-form i{position:absolute;left:18px;color:var(--ink-3);font-size:14px;}
.mobile-search-form input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line-strong);
  background:#F7FAFD;padding:0 100px 0 44px;font-size:14px;color:var(--ink);
}
.mobile-search-form input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,101,168,.14);}
.mobile-search-form button{
  position:absolute;right:5px;height:36px;padding:0 16px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
}
/* 抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(17,42,63,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .28s ease;padding:20px 22px 28px;
  display:flex;flex-direction:column;box-shadow:-10px 0 30px rgba(21,60,100,.14);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:16px;cursor:pointer;
}
.drawer-close:hover{background:var(--brand-light);}
.drawer-nav{margin-top:8px;display:flex;flex-direction:column;}
.drawer-link{
  height:52px;display:flex;align-items:center;padding:0 12px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);text-decoration:none;border-left:3px solid transparent;
}
.drawer-link:hover{background:var(--brand-light);color:var(--brand);text-decoration:none;}
.drawer-link.active{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--brand-light);}
.drawer-cta{margin-top:24px;}
/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.breadcrumb a{color:var(--ink-2);text-decoration:none;}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--brand);font-weight:600;}
/* 页首横幅 */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-color:var(--bg-alt);
  background-image:linear-gradient(90deg,#EDF3FA 0%,#EDF3FA 34%,rgba(237,243,250,.72) 62%,rgba(237,243,250,0.05) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;background-repeat:no-repeat;
}
.page-hero-inner{padding:64px 0 68px;max-width:660px;}
.page-hero h1{margin:14px 0 16px;}
.page-hero .hero-sub{font-size:17px;color:var(--ink-2);margin-bottom:24px;max-width:600px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats .num{font-size:22px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero-stats .label{font-size:13px;color:var(--ink-3);}
/* 时间轴 */
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:31px;top:20px;bottom:20px;width:2px;
  background:var(--line-strong);border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:24px;padding-bottom:20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-marker{display:flex;justify-content:center;padding-top:6px;}
.tl-dot{
  position:relative;z-index:1;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;background:#fff;border:2px solid var(--line-strong);color:var(--ink-3);
}
.tl-item.is-base .tl-dot{background:var(--data);border-color:var(--data);color:#fff;}
.tl-item.is-adv .tl-dot{background:#fff;border-color:var(--brand);color:var(--brand);}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.tl-body h3{margin:10px 0 8px;}
.tl-body p{font-size:15px;color:var(--ink-2);}
.tl-check{
  display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--brand-dark);
  background:var(--brand-light);border-radius:10px;padding:10px 14px;margin-top:14px;
}
.tl-check i{margin-top:4px;color:var(--data);}
/* 图文区块 */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center;}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-body h2{margin-bottom:16px;}
.split-body p{color:var(--ink-2);}
.mini-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-1);
}
.mini-list .idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--brand);
  color:var(--brand);font-size:13px;font-weight:700;display:grid;place-items:center;background:var(--brand-light);
}
.mini-list h4{margin:0 0 2px;font-size:15px;}
.mini-list p{font-size:14px;color:var(--ink-2);margin:0;}
/* 卡点列表 */
.trouble-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.trouble-list li{
  display:grid;grid-template-columns:minmax(240px,320px) minmax(0,1fr);gap:24px;
  padding:22px 24px;border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.trouble-list li:last-child{border-bottom:0;}
.trouble-list li:hover{background:#F7FAFD;}
.trouble-q{display:flex;align-items:flex-start;gap:10px;font-weight:600;font-size:15px;color:var(--ink);}
.trouble-q i{color:var(--accent);margin-top:5px;}
.trouble-a{margin:0;font-size:15px;color:var(--ink-2);}
/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;
  overflow:hidden;position:relative;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--shadow-1);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);
}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;
  color:var(--ink);cursor:pointer;line-height:1.6;
}
.faq-question:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--brand-light);position:relative;
  transition:background-color .2s ease,transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{background:var(--brand);transform:rotate(180deg);}
.faq-item.is-open .faq-icon::before{background:#fff;}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-answer-inner{padding:0 22px 20px;font-size:15px;color:var(--ink-2);}
/* CTA 横幅 */
.cta-band{
  background:var(--bg-alt);border:1px solid var(--line-strong);border-radius:16px;
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{margin-bottom:8px;font-size:26px;}
.cta-band p{margin:0;color:var(--ink-2);font-size:15px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}
/* 链接卡 */
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.link-card{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);text-decoration:none;}
.link-card .lc-icon{
  width:38px;height:38px;border-radius:10px;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:16px;margin-bottom:4px;
}
.link-card .lc-title{font-size:17px;font-weight:600;color:var(--ink);}
.link-card .lc-desc{font-size:14px;color:var(--ink-2);}
.link-card .lc-more{font-size:13px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:4px;}
.page-banner-img{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);height:220px;}
.page-banner-img img{width:100%;height:100%;object-fit:cover;}
/* 页脚 */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li a{color:var(--footer-text);font-size:14px;text-decoration:none;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;color:#9CB6CC;margin:16px 0 18px;line-height:1.8;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:var(--footer-text);font-size:15px;transition:background-color .2s ease,color .2s ease;
}
.footer-social a:hover{background:rgba(255,255,255,.18);color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#9CB6CC;line-height:1.7;}
.footer-contact i{margin-top:5px;color:var(--data);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:#8FA9BF;
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a{color:#8FA9BF;font-size:13px;}
.footer-bottom-links a:hover{color:#fff;}
/* 响应式 */
@media (max-width:1199px){
  h1{font-size:38px;}
  .split{gap:36px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle,.nav-search-toggle{display:inline-flex;}
  .nav-inner{gap:12px;}
  .nav-right{margin-left:auto;}
  .page-hero-inner{padding:44px 0 48px;}
  .page-hero h1{font-size:30px;}
  .split{grid-template-columns:minmax(0,1fr);}
  .split-media{order:-1;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-desc{max-width:100%;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .link-cards{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .trouble-list li{grid-template-columns:minmax(0,1fr);gap:10px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  h1{font-size:28px;}
  .hero-stats{gap:24px;}
  .hero-stats .num{font-size:20px;}
  .split-media img{aspect-ratio:16/11;}
  .page-banner-img{height:180px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:575px){
  .timeline::before{left:17px;}
  .tl-item{grid-template-columns:40px minmax(0,1fr);gap:14px;}
  .tl-dot{width:28px;height:28px;font-size:12px;}
  .tl-body{padding:18px 18px;}
  .faq-question{padding:16px 18px;font-size:15px;}
  .faq-answer-inner{padding:0 18px 18px;}
}