/* roulang page: index */
:root{
  --primary:#1F5FA8;
  --primary-dark:#154277;
  --primary-soft:#E8F0FA;
  --accent:#F08A24;
  --accent-soft:#FFF3E4;
  --success:#2FA98C;
  --warn:#E2574C;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-alt:#EEF3FA;
  --text:#1B2836;
  --text-2:#55677A;
  --text-3:#8A9AAB;
  --border:#E3E9F1;
  --border-strong:#C9D8EA;
  --shadow-1:0 1px 2px rgba(27,40,54,.05), 0 8px 22px rgba(31,95,168,.07);
  --shadow-2:0 6px 14px rgba(27,40,54,.08), 0 16px 32px rgba(31,95,168,.12);
  --shadow-nav:0 2px 12px rgba(27,40,54,.09);
  --radius:14px;
  --radius-lg:20px;
  --radius-sm:10px;
  --section:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--section) 0;}
.section-alt{background:var(--surface-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:0;}
.section-sub{color:var(--text-2);font-size:15px;line-height:1.7;margin-top:10px;max-width:46ch;}
.link-more{font-size:15px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more span{transition:transform .2s var(--ease);}
.link-more:hover span{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 6px 16px rgba(31,95,168,.22);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(21,66,119,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,95,168,.2);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 16px rgba(240,138,36,.24);}
.btn-accent:hover{background:#DD7A17;border-color:#DD7A17;color:#fff;transform:translateY(-1px);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;line-height:1;
}
.badge-accent{background:var(--accent-soft);color:#B9640F;}
.badge-dark{background:rgba(255,255,255,.16);color:#fff;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .22s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;letter-spacing:.5px;
}
.brand-text{display:flex;align-items:baseline;gap:4px;font-size:19px;font-weight:700;letter-spacing:0;}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--primary);background:var(--primary-soft);padding:2px 7px;border-radius:6px;}
.main-nav ul{display:flex;align-items:center;gap:30px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--primary);opacity:0;transform:scaleX(.4);transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.main-nav a:hover{color:var(--primary);}
.main-nav a:hover::after{opacity:.6;transform:scaleX(1);}
.main-nav a.is-active{color:var(--primary);font-weight:600;}
.main-nav a.is-active::after{opacity:1;transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:20px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;z-index:80;width:82%;max-width:340px;height:100%;
  background:#fff;box-shadow:-8px 0 32px rgba(27,40,54,.14);
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 18px;border-bottom:1px solid var(--border);}
.drawer-head strong{font-size:15px;color:var(--text);}
.drawer-close{width:36px;height:36px;border:1px solid var(--border);background:#fff;border-radius:9px;color:var(--text-2);font-size:16px;line-height:1;}
.drawer nav a{
  display:flex;align-items:center;height:48px;padding:0 18px;font-size:15px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid var(--border);
}
.drawer nav a.is-active{color:var(--primary);font-weight:600;border-left:3px solid var(--primary);padding-left:15px;background:var(--primary-soft);}
.drawer-foot{padding:18px;margin-top:auto;border-top:1px solid var(--border);}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(27,40,54,.42);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--surface-alt);border-bottom:1px solid var(--border);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 46%,rgba(232,240,250,.72) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:84px 32px;}
.hero-copy .hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border-strong);color:var(--primary);font-size:13px;font-weight:500;
}
.hero-copy .hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.hero h1{
  margin-top:22px;font-size:48px;line-height:1.25;font-weight:700;letter-spacing:0;color:var(--text);max-width:16em;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.75;color:var(--text-2);max-width:34em;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border-strong);}
.hero-facts li{font-size:13px;color:var(--text-3);}
.hero-facts strong{display:block;font-size:20px;font-weight:700;color:var(--primary);line-height:1.4;}
.hero-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);
  overflow:hidden;
}
.hero-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-panel-body{padding:22px;border-top:1px solid var(--border);}
.hero-panel-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.hero-panel-body p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);}
.hero-panel-list{margin-top:16px;display:grid;gap:10px;}
.hero-panel-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.hero-panel-list li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);flex:0 0 auto;}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{position:relative;padding-top:8px;}
.step-num{
  width:32px;height:32px;border-radius:9px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.step-line{position:absolute;top:24px;left:44px;right:-24px;border-top:1px dashed var(--border-strong);}
.step:last-child .step-line{display:none;}
.step h3{margin-top:16px;font-size:18px;font-weight:600;line-height:1.45;}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);}

/* 卡片通用 */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-1);
  overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card-media{position:relative;overflow:hidden;background:var(--surface-alt);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.card-body p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);}
.card:hover .card-body h3{color:var(--primary);}
.corner-flag{
  position:absolute;top:12px;right:-30px;width:112px;height:26px;line-height:26px;text-align:center;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;transform:rotate(45deg);
  transition:transform .22s var(--ease);
}
.card:hover .corner-flag{transform:rotate(45deg) translateY(-2px);}

/* 奖励宫格 */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.reward-item{grid-column:span 1;}
.reward-item.is-large{grid-column:span 2;}
.reward-item .card-media{aspect-ratio:16/9;}
.reward-item.is-large .card-media{aspect-ratio:21/9;}
.reward-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);}
.reward-meta span{font-size:13px;color:var(--text-3);}
.reward-meta strong{font-size:14px;font-weight:600;color:var(--primary);}

/* 进度区 */
.progress-wrap{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;}
.progress-track{height:10px;border-radius:999px;background:var(--border);overflow:hidden;}
.progress-fill{height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 100%);}
.progress-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;font-size:14px;color:var(--text-2);}
.progress-top strong{font-size:16px;color:var(--text);font-weight:600;}
.progress-note{margin-top:16px;font-size:14px;line-height:1.75;color:var(--text-2);}
.tier-grid{display:grid;gap:16px;}
.tier{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:var(--shadow-1);
}
.tier h3{font-size:16px;font-weight:600;}
.tier p{margin-top:4px;font-size:13px;color:var(--text-3);}

/* 参与区 */
.join-band{text-align:center;max-width:640px;margin:0 auto;}
.join-band h2{font-size:34px;font-weight:700;line-height:1.3;}
.join-band p{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.8;}
.join-actions{margin-top:28px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cat-card{display:block;color:inherit;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--border-strong);color:inherit;}
.cat-card .cat-idx{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:1px;}
.cat-card h3{margin-top:14px;font-size:18px;font-weight:600;line-height:1.45;}
.cat-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);}
.cat-card .cat-go{margin-top:18px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.cat-card:hover .cat-go span{transform:translateX(4px);}
.cat-card .cat-go span{transition:transform .2s var(--ease);}

/* 最新信息 */
.list-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.lead-card{display:block;color:inherit;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.lead-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;}
.lead-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt);}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.lead-card:hover .lead-media img{transform:scale(1.03);}
.lead-body{padding:24px;}
.lead-body h3{margin-top:14px;font-size:22px;font-weight:600;line-height:1.45;}
.lead-card:hover .lead-body h3{color:var(--primary);}
.lead-body p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.mini-list{display:grid;gap:16px;}
.mini-list a{
  display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px;
  box-shadow:var(--shadow-1);color:inherit;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mini-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;}
.mini-list img{width:96px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);background:var(--surface-alt);}
.mini-list h3{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-list a:hover h3{color:var(--primary);}
.mini-list .meta{margin-top:8px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--text-3);}
.meta-time{font-variant-numeric:tabular-nums;}
.meta-time::before{content:"◷";margin-right:5px;font-size:12px;color:var(--text-3);}
.list-empty{
  background:#fff;border:1px dashed var(--border-strong);border-radius:var(--radius);
  padding:56px 24px;text-align:center;
}
.list-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;font-weight:700;
}
.list-empty p{font-size:15px;color:var(--text-2);}
.list-empty .btn{margin-top:20px;}

/* 数据指标 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);}
.stat strong{display:block;font-size:32px;font-weight:700;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:10px;font-size:15px;font-weight:600;color:var(--text);}
.stat p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--text-3);}

/* FAQ */
.faq-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;border-radius:50%;background:var(--primary-soft);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{padding:0 24px 20px 24px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* CTA */
.cta-band{background:var(--primary-dark);border-radius:var(--radius-lg);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{color:#fff;font-size:28px;font-weight:700;line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:52ch;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
.cta-band .btn-on-dark{background:#fff;color:var(--primary-dark);border-color:#fff;}
.cta-band .btn-on-dark:hover{background:var(--primary-soft);color:var(--primary-dark);}
.cta-band .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:var(--section);}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 3fr;gap:32px;padding:56px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{width:30px;height:30px;font-size:12px;border-radius:9px;}
.footer-brand strong{font-size:17px;font-weight:700;color:var(--text);}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:34ch;}
.footer-col h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-col li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-note{font-size:14px;line-height:1.8;color:var(--text-2);}
.footer-note p + p{margin-top:10px;}
.footer-bottom{
  border-top:1px solid var(--border);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--text-3);flex-wrap:wrap;
}

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

/* 响应式 */
@media (max-width:1279px){
  :root{--section:72px;}
  .container{padding:0 24px;}
  .hero-inner{grid-template-columns:6fr 6fr;gap:40px;padding:72px 24px;}
  .hero h1{font-size:42px;}
}
@media (max-width:1023px){
  :root{--section:64px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 24px;}
  .hero h1{font-size:36px;max-width:none;}
  .hero-panel{max-width:560px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .step-line{display:none;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .reward-item.is-large{grid-column:span 2;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .progress-wrap{grid-template-columns:1fr;gap:28px;}
  .list-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
}
@media (max-width:767px){
  :root{--section:48px;}
  .container{padding:0 16px;}
  .header-inner,.site-header.is-scrolled .header-inner{height:56px;}
  .brand-text{font-size:17px;}
  .brand-text em{font-size:11px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:20px;}
  .hero-facts li{flex:1 1 40%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head h2{font-size:24px;}
  .steps{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-item.is-large{grid-column:span 1;}
  .cat-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .join-band h2{font-size:24px;}
  .join-actions{flex-direction:column;}
  .join-actions .btn{width:100%;}
  .mini-list a{grid-template-columns:80px 1fr;gap:12px;padding:12px;}
  .mini-list img{width:80px;}
  .lead-body{padding:18px;}
  .lead-body h3{font-size:19px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .cta-band{padding:28px 20px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-band .cta-actions{width:100%;flex-direction:column;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .hero-badge{font-size:12px;}
  .btn{height:46px;padding:0 20px;}
  .badge{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --primary:#1F5FA8;
  --primary-dark:#154277;
  --primary-soft:#E8F0FA;
  --accent:#F08A24;
  --accent-soft:#FFF3E4;
  --success:#2FA98C;
  --danger:#E2574C;
  --bg:#F6F8FC;
  --bg-alt:#EEF3FA;
  --card:#FFFFFF;
  --text:#1B2836;
  --text-2:#55677A;
  --text-3:#8A9AAB;
  --border:#E3E9F1;
  --border-strong:#C9D8EA;
  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,40,54,.05), 0 8px 22px rgba(31,95,168,.07);
  --sh-2:0 6px 14px rgba(27,40,54,.08), 0 16px 32px rgba(31,95,168,.12);
  --sh-nav:0 2px 12px rgba(27,40,54,.09);
  --t:.22s cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::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","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--primary-dark)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--text)}
p{margin:0}
figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:var(--sh-nav)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height var(--t)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;letter-spacing:.5px;display:grid;place-items:center}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text)}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.4px;margin-top:2px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:30px}
.main-nav a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2)}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--primary);opacity:0;transform:scaleX(0);transform-origin:left;transition:transform var(--t),opacity var(--t)}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{opacity:.6;transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary);font-weight:600}
.main-nav a.is-active::after{opacity:1;transform:scaleX(1)}
.nav-cta{margin-left:20px;flex-shrink:0}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--r-sm);place-items:center}
.nav-toggle i{display:block;position:relative;width:18px;height:2px;border-radius:2px;background:var(--primary)}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--primary)}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.drawer-scrim{position:fixed;inset:0;background:rgba(27,40,54,.42);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:70}
.drawer-scrim.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;transform:translateX(100%);transition:transform var(--t);box-shadow:var(--sh-2);display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.drawer-title{font-size:15px;font-weight:700;color:var(--primary)}
.drawer-close{width:34px;height:34px;border-radius:var(--r-sm);border:1px solid var(--border);font-size:18px;line-height:1;color:var(--text-2);display:grid;place-items:center}
.drawer ul li a{display:flex;align-items:center;height:48px;padding:0 20px;border-bottom:1px solid var(--border);font-size:15px;font-weight:500;color:var(--text-2)}
.drawer ul li a.is-active{color:var(--primary);font-weight:600;box-shadow:inset 3px 0 0 var(--primary);background:var(--primary-soft)}
.drawer-cta{padding:20px}
.drawer-cta .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-sm);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(31,95,168,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,95,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,95,168,.2)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--text-3)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"/";margin:0 8px;color:var(--border-strong)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .current{color:var(--primary);font-weight:600}

/* ---------- 文章主体 ---------- */
.article-wrap{max-width:820px;margin:0 auto;padding:0 24px 8px}
.article-head{padding-top:22px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.2px}
.article-head h1{margin-top:16px;font-size:38px;line-height:1.32;font-weight:700}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;padding-bottom:20px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border-strong)}
.article-meta time{font-variant-numeric:tabular-nums}
.article-cover{margin-top:26px;border-radius:16px;overflow:hidden;aspect-ratio:21/9;background:var(--bg-alt)}
.article-cover img{width:100%;height:100%;object-fit:cover}

.prose{margin-top:32px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:800px}
.prose p{margin:0 0 1em}
.prose h2{position:relative;margin:40px 0 16px;padding-left:14px;font-size:24px;line-height:1.4;color:var(--text)}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--primary)}
.prose h3{margin:28px 0 12px;font-size:18px;font-weight:600;color:var(--text)}
.prose h4{margin:22px 0 10px;font-size:16px;font-weight:600;color:var(--text)}
.prose ul,.prose ol{margin:0 0 1em;padding-left:22px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:6px 0;padding-left:2px}
.prose li::marker{color:var(--primary)}
.prose blockquote{margin:0 0 1em;padding:16px 20px;background:var(--primary-soft);border-left:3px solid var(--primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2)}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:8px auto}
.prose a{color:var(--primary);text-decoration:underline;text-decoration-color:var(--border-strong);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--primary)}
.prose table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 1em;font-size:15px}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}
.prose th{background:var(--primary-soft);color:var(--text);font-weight:600}
.prose hr{border:0;border-top:1px solid var(--border);margin:32px 0}

.empty-state{background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh-1);padding:52px 24px;text-align:center}
.empty-icon{width:52px;height:52px;margin:0 auto 18px;border-radius:var(--r);background:var(--primary-soft);color:var(--primary);font-size:22px;font-weight:700;display:grid;place-items:center}
.empty-title{font-size:20px;font-weight:700;color:var(--text)}
.empty-sub{margin:10px auto 22px;font-size:14px;color:var(--text-2);max-width:30em}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--border)}
.tag-label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;transition:background var(--t),color var(--t)}
.tag:hover{background:var(--primary);color:#fff}
.back-row{margin-top:28px}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.3}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--text-2)}
.section-head .more{font-size:14px;font-weight:600;white-space:nowrap}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.post-card h3{font-size:18px;line-height:1.45;font-weight:600}
.post-card h3 a{color:var(--text)}
.post-card:hover h3 a{color:var(--primary)}
.post-card .excerpt{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:8px;font-size:13px;color:var(--text-3)}
.post-card .meta .cat{color:var(--primary);font-weight:600}
.post-card .arrow{margin-left:auto;color:var(--primary);transition:transform var(--t)}
.post-card:hover .arrow{transform:translateX(4px)}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:72px 0 0}
.cta-band{background:var(--primary-dark);border-radius:var(--r-lg);padding:40px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;line-height:1.35}
.cta-band p{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.78);max-width:38em}
.cta-band .btn-primary{background:var(--accent);box-shadow:0 8px 20px rgba(240,138,36,.3)}
.cta-band .btn-primary:hover{background:#d97712;box-shadow:0 12px 26px rgba(240,138,36,.36)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:#fff;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}
.footer-brand strong{font-size:16px;color:var(--text)}
.footer-about{font-size:14px;line-height:1.8;color:var(--text-2);max-width:32em}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{display:inline-block;font-size:14px;color:var(--text-2);transition:color var(--t),transform var(--t)}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note p{font-size:13px;line-height:1.75;color:var(--text-3);margin-bottom:8px;max-width:30em}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--border);font-size:13px;color:var(--text-3)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:grid}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .article-head h1{font-size:32px}
}
@media (max-width:767px){
  .article-wrap{padding:0 16px 8px}
  .article-head h1{font-size:28px}
  .prose h2{font-size:21px;margin-top:32px}
  .prose{font-size:15px}
  .card-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .section-head h2{font-size:23px}
  .cta-wrap{padding-top:56px}
  .related{padding-top:56px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:56px}
  .site-header.is-scrolled .header-inner{height:56px}
  .brand-text em{display:none}
  .brand-text strong{font-size:16px}
  .article-head h1{font-size:24px;line-height:1.35}
  .article-cover{aspect-ratio:16/10;border-radius:12px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding:40px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .empty-state{padding:40px 18px}
  .tag-row{margin-top:32px}
}

/* roulang page: category1 */
:root{
  --primary:#1F5FA8;
  --primary-dark:#154277;
  --primary-soft:#E8F0FA;
  --accent:#F08A24;
  --accent-soft:#FFF3E4;
  --success:#2FA98C;
  --danger:#E2574C;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-2:#EEF3FA;
  --deep:#0F2740;
  --ink:#1B2836;
  --ink-2:#55677A;
  --ink-3:#8A9AAB;
  --line:#E3E9F1;
  --line-strong:#C9D8EA;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(27,40,54,.05),0 8px 22px rgba(31,95,168,.07);
  --shadow-2:0 6px 14px rgba(27,40,54,.08),0 16px 32px rgba(31,95,168,.12);
  --shadow-nav:0 2px 12px rgba(27,40,54,.09);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::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","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:0}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

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

/* ---------- 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;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(27,40,54,.06),0 8px 18px rgba(31,95,168,.18)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgba(21,66,119,.24),0 14px 26px rgba(31,95,168,.2)}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line-strong)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#d97614;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--shadow-nav)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .22s var(--ease)}
.site-header.is-stuck .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--primary);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.4px;
  display:grid;place-items:center;flex-shrink:0;
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:0}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;opacity:0;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1);opacity:.6}
.main-nav a.is-active{color:var(--primary);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1);opacity:1}
.header-actions{margin-left:20px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;margin-left:auto;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;position:relative;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--primary);border-radius:2px;
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden}
.drawer.is-open{visibility:visible}
.drawer-mask{position:absolute;inset:0;background:rgba(15,39,64,.44);opacity:0;transition:opacity .22s var(--ease)}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);
  background:#fff;box-shadow:var(--shadow-nav);
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;padding-bottom:24px;
}
.drawer.is-open .drawer-panel{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 18px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:20px;color:var(--ink-2)}
.drawer-close:hover{background:var(--surface-2);color:var(--primary)}
.drawer-nav{padding:8px 0}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 18px;
  font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{color:var(--primary);background:var(--surface-2)}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;border-left-color:var(--primary);background:var(--primary-soft)}
.drawer-cta{padding:20px 18px 4px}
.drawer-shortcut{padding:12px 18px}
.drawer-shortcut h3{font-size:13px;color:var(--ink-3);font-weight:500;margin-bottom:10px}
.drawer-shortcut ul{display:flex;flex-wrap:wrap;gap:8px}
.drawer-shortcut a{
  display:inline-block;padding:7px 14px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary);font-size:13px;
}
.drawer-shortcut a:hover{background:var(--primary);color:#fff}

/* ---------- 页面 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--surface-2);min-height:260px;display:flex;align-items:center}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
  opacity:.85;
}
.page-hero-veil{position:absolute;inset:0;background:rgba(255,255,255,.82)}
.page-hero-inner{position:relative;z-index:2;padding:52px 32px 48px;max-width:1200px;margin:0 auto;width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--accent-soft);color:#b8640c;font-size:13px;font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-hero h1{font-size:40px;font-weight:700;line-height:1.25;color:var(--ink);max-width:20ch}
.hero-sub{margin-top:14px;font-size:17px;color:var(--ink-2);max-width:40ch}
.hero-note{margin-top:14px;font-size:14px;line-height:1.8;color:var(--ink-2);max-width:60ch}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:22px;
  font-size:15px;font-weight:600;color:var(--primary);
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.text-link:hover{color:var(--primary-dark);gap:11px}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{padding:16px 0;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3);transition:color .18s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ---------- 筛选条 ---------- */
.filter-section{background:#fff;padding:20px 0 4px}
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:36px;padding:0 16px;display:inline-flex;align-items:center;
  border:1px solid var(--line-strong);border-radius:999px;background:#fff;
  font-size:14px;color:var(--ink-2);
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- 深色速览带 ---------- */
.metrics-band{background:var(--deep);color:#fff;padding:56px 0}
.metrics-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.metrics-head h2{font-size:26px;color:#fff;font-weight:700}
.metrics-head p{font-size:13.5px;color:rgba(255,255,255,.66)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:22px 22px 20px;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.metric-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);transform:translateY(-3px)}
.metric-value{
  display:block;font-size:34px;font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.metric-value small{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.72)}
.metric-label{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.7)}

/* ---------- 主体区 ---------- */
.section{padding:64px 0}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.section-head{margin-bottom:24px}
.section-head h2{font-size:30px;font-weight:700;color:var(--ink)}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}

.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;gap:18px;padding:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.news-card-media{
  flex:0 0 42%;border-radius:10px;overflow:hidden;background:var(--surface-2);
  aspect-ratio:4/3;display:block;
}
.news-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-card-media img{transform:scale(1.03)}
.news-card-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:600;
  align-self:flex-start;
}
.news-card-title{margin-top:12px;font-size:18px;font-weight:600;line-height:1.5}
.news-card-title a{color:var(--ink);transition:color .18s var(--ease)}
.news-card:hover .news-card-title a{color:var(--primary)}
.news-card-desc{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--ink-3);
}
.meta-row .meta{font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px}
.meta-row .meta::before{content:"";width:12px;height:12px;border-radius:3px;border:1.5px solid var(--line-strong)}
.meta-row .meta.meta-cat::before{border-radius:50%;border-color:var(--primary)}
.arrow-link{
  margin-left:auto;display:inline-flex;align-items:center;gap:4px;
  font-size:13px;font-weight:600;color:var(--primary);
}
.arrow-link .arrow{transition:transform .2s var(--ease)}
.news-card:hover .arrow-link .arrow{transform:translateX(4px)}

/* ---------- 侧栏 ---------- */
.layout-side{position:sticky;top:88px;display:grid;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:20px;
}
.side-card h3{font-size:16px;font-weight:600;color:var(--ink);padding-bottom:12px;border-bottom:1px solid var(--line)}
.hot-list{margin-top:6px}
.hot-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-item{display:flex;gap:10px;align-items:flex-start}
.hot-index{
  flex:0 0 22px;height:22px;border-radius:7px;background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:2px;
}
.hot-list li:nth-child(1) .hot-index,
.hot-list li:nth-child(2) .hot-index,
.hot-list li:nth-child(3) .hot-index{background:var(--accent-soft);color:#b8640c}
.hot-title{font-size:14px;line-height:1.65;color:var(--ink-2);transition:color .18s var(--ease)}
.hot-item:hover .hot-title{color:var(--primary)}
.hot-time{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.side-cta{
  background:var(--primary-soft);border:1px solid var(--line-strong);border-radius:var(--r-card);
  padding:22px 20px;
}
.side-cta h3{font-size:16px;font-weight:600;color:var(--primary-dark)}
.side-cta p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.side-cta .btn{margin-top:16px}

/* ---------- 分页 ---------- */
.pagination{display:flex;align-items:center;gap:10px;margin-top:36px;flex-wrap:wrap}
.page-btn{
  min-width:36px;height:36px;padding:0 12px;border-radius:8px;
  border:1px solid var(--line-strong);background:#fff;color:var(--ink-2);
  font-size:14px;display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.page-btn:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}
.page-btn.is-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.page-btn.is-disabled{opacity:.5;pointer-events:none}
.page-ellipsis{color:var(--ink-3);font-size:14px;padding:0 2px}

/* ---------- CTA 条 ---------- */
.cta-section{padding:8px 0 72px}
.cta-band{
  background:var(--primary-dark);border-radius:var(--r-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 10px 28px rgba(21,66,119,.2);
}
.cta-band h2{font-size:24px;color:#fff;font-weight:700}
.cta-band p{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78);max-width:52ch}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:17px;color:var(--ink);font-weight:700}
.footer-about{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:34ch}
.footer-col h3{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  display:inline-block;font-size:14px;color:var(--ink-2);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin-bottom:8px}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

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

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .news-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:34px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .layout{grid-template-columns:1fr}
  .layout-side{position:static;grid-template-columns:1fr 1fr}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-hero-inner{padding:44px 24px 40px}
  .page-hero h1{font-size:32px}
  .page-hero{min-height:230px}
  .section-head h2{font-size:26px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 28px}
  .cta-band .btn{width:100%}
}
@media (max-width:767px){
  .news-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column;gap:14px}
  .news-card-media{flex:none;width:100%;aspect-ratio:16/9}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .metrics-grid{grid-template-columns:1fr;gap:14px}
  .metric-value{font-size:30px}
  .layout-side{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .metrics-band{padding:44px 0}
  .metrics-head h2{font-size:22px}
  .cta-section{padding:8px 0 52px}
  .site-footer{padding:44px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{margin-top:32px;flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .page-hero-inner{padding:36px 16px 34px}
  .page-hero h1{font-size:26px}
  .page-hero{min-height:200px}
  .brand-text{font-size:16px}
  .header-inner{height:56px}
  .site-header.is-stuck .header-inner{height:56px}
  .news-card{padding:16px}
  .page-btn{padding:0 10px}
}

/* roulang page: category2 */
:root{
  --primary:#1F5FA8;
  --primary-dark:#154277;
  --primary-soft:#E8F0FA;
  --accent:#F08A24;
  --accent-soft:#FFF3E4;
  --accent-dark:#D97716;
  --success:#2FA98C;
  --warn:#E2574C;
  --bg:#F6F8FC;
  --bg-2:#EEF3FA;
  --card:#FFFFFF;
  --t1:#1B2836;
  --t2:#55677A;
  --t3:#8A9AAB;
  --white:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#C9D8EA;
  --sh1:0 1px 2px rgba(27,40,54,.05), 0 8px 22px rgba(31,95,168,.07);
  --sh2:0 6px 14px rgba(27,40,54,.08), 0 16px 32px rgba(31,95,168,.12);
  --sh-nav:0 2px 12px rgba(27,40,54,.09);
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --container:1200px;
  --sp-section:88px;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* 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:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--white);box-shadow:0 2px 8px rgba(31,95,168,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,95,168,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 6px rgba(31,95,168,.2)}
.btn-accent{background:var(--accent);color:var(--white);box-shadow:0 2px 8px rgba(240,138,36,.24)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(240,138,36,.3)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:var(--white);color:var(--primary);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:500;line-height:1;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:var(--accent-dark)}
.badge-line{background:var(--white);border:1px solid var(--line-strong);color:var(--t2)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-nav)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--primary);color:var(--white);
  display:grid;place-items:center;font-size:11px;font-weight:700;letter-spacing:.6px;flex:0 0 auto;
}
.brand-name{transition:color var(--ease)}
.brand:hover .brand-name{color:var(--primary)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:30px}
.main-nav a{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--t2);transition:color var(--ease)}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;border-radius:3px;
  background:var(--primary);opacity:0;transform:scaleX(.4);transition:opacity var(--ease),transform var(--ease);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{opacity:.6;transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary);font-weight:600}
.main-nav a.is-active::after{opacity:1;transform:scaleX(1)}
.nav-cta{margin-left:20px;height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:var(--r-btn);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:background var(--ease);
}
.nav-toggle:hover{background:var(--primary-soft)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--primary);transition:transform var(--ease)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,40,54,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:330px;z-index:80;
  background:var(--white);box-shadow:-8px 0 28px rgba(27,40,54,.14);
  transform:translateX(102%);transition:transform 240ms ease-out;
  display:flex;flex-direction:column;padding:18px 0 24px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding:0 20px 16px;border-bottom:1px solid var(--line);font-size:16px;font-weight:700}
.drawer-close{margin-left:auto;width:34px;height:34px;border-radius:8px;font-size:20px;line-height:1;color:var(--t2);transition:background var(--ease),color var(--ease)}
.drawer-close:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-nav{padding:8px 0}
.drawer-nav li{border-bottom:1px solid var(--line)}
.drawer-nav a{display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;color:var(--t2);border-left:3px solid transparent;transition:color var(--ease),background var(--ease),border-color var(--ease)}
.drawer-nav a:hover{background:var(--bg-2);color:var(--primary)}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;border-left-color:var(--primary);background:var(--primary-soft)}
.drawer-cta{margin:20px 20px 0}

/* Hero */
.page-hero{position:relative;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 46%,rgba(232,240,250,.82) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:60px;padding-bottom:56px}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:.2px;
  margin:18px 0 16px;max-width:22em;color:var(--t1);
}
.hero-sub{font-size:18px;line-height:1.7;color:var(--t2);max-width:36em}
.hero-note{margin-top:12px;font-size:14px;line-height:1.7;color:var(--t3);max-width:44em}

/* 步骤条 */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.steps::after{content:"";position:absolute;left:5%;right:5%;top:34px;border-top:1px dashed var(--line-strong);z-index:0}
.step{
  position:relative;z-index:1;display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;box-shadow:var(--sh1);
}
.step-num{
  width:32px;height:32px;flex:0 0 auto;border-radius:9px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h2{font-size:16px;font-weight:600;line-height:1.45}
.step p{font-size:13px;line-height:1.7;color:var(--t2);margin-top:4px}

/* 面包屑 */
.breadcrumb-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:18px 0;font-size:13px;color:var(--t3)}
.breadcrumb a{transition:color var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* 区块 */
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:46em}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:.2px}
.section-head .lead{margin-top:14px;font-size:16px;line-height:1.8;color:var(--t2)}
.section-head .head-tag{margin-bottom:14px}

/* 编号卡网格 */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:38px}
.tip-card{
  position:relative;display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease);
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.tip-num{
  position:absolute;left:16px;top:16px;z-index:3;
  width:38px;height:38px;border-radius:10px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 1px 2px rgba(27,40,54,.1);
}
.tip-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.tip-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.tip-card:hover .tip-media img{transform:scale(1.03)}
.tip-body{display:flex;flex-direction:column;flex:1;gap:10px;padding:20px}
.tip-title{font-size:18px;font-weight:600;line-height:1.45;transition:color var(--ease)}
.tip-card:hover .tip-title{color:var(--primary)}
.tip-desc{
  font-size:14px;line-height:1.7;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tip-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;
}
.tip-link{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.tip-link .arrow{display:inline-block;transition:transform var(--ease)}
.tip-card:hover .tip-link .arrow{transform:translateX(4px)}

/* 对比块 */
.compare{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center;margin-top:38px}
.compare-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 30px;box-shadow:var(--sh1);
}
.compare-panel h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:6px}
.compare-panel .panel-sub{font-size:14px;color:var(--t2)}
.checklist{margin-top:18px}
.checklist li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--t2);line-height:1.75}
.checklist li:last-child{border-bottom:0;padding-bottom:0}
.checklist .dot{
  width:22px;height:22px;flex:0 0 auto;margin-top:5px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:12px;font-weight:700;
}
.compare-media{
  aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);box-shadow:var(--sh1);
}
.compare-media img{width:100%;height:100%;object-fit:cover}

/* 指标卡 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease);
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.metric-num{font-size:32px;font-weight:700;color:var(--primary-dark);line-height:1.2;font-variant-numeric:tabular-nums}
.metric-label{margin-top:8px;font-size:15px;font-weight:600}
.metric-desc{margin-top:6px;font-size:13px;line-height:1.7;color:var(--t3)}

/* FAQ */
.faq-list{
  margin-top:34px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;
}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--t1);
  transition:color var(--ease),background var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:15px;bottom:15px;width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);transform:scaleY(0);transform-origin:center;transition:transform var(--ease);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{background:var(--bg);color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a p{padding:0 22px 18px;font-size:15px;line-height:1.85;color:var(--t2)}

/* 分页 */
.pagination{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.page-link{
  min-width:36px;height:36px;padding:0 12px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--card);border:1px solid var(--line);color:var(--t2);font-size:14px;font-weight:500;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.page-link:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--line-strong)}
.page-link.is-current{background:var(--primary);border-color:var(--primary);color:var(--white)}

/* CTA 条 */
.cta-band{
  margin-top:40px;background:var(--primary-dark);border-radius:var(--r-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 18px 36px rgba(21,66,119,.22);
}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--white)}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.78);max-width:40em}

/* 页脚 */
.site-footer{background:var(--white);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:var(--t2);max-width:34em}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:14px}
.footer-col li+li{margin-top:10px}
.footer-col a{display:inline-block;font-size:14px;color:var(--t2);transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note p{font-size:14px;line-height:1.85;color:var(--t2)}
.footer-note p+p{margin-top:10px}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* 进入视口动画 */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms ease-out,transform 480ms ease-out}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 24px}
  .main-nav ul{gap:22px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .page-hero h1{font-size:34px}
  .page-hero .container{padding-top:44px;padding-bottom:40px}
  .section-head h2{font-size:26px}
  .tip-grid{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr;gap:24px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 28px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  body{font-size:15px}
  .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:56px}
  .brand{font-size:16px}
  .page-hero h1{font-size:30px;margin-top:14px}
  .hero-sub{font-size:16px}
  .steps{grid-template-columns:1fr;gap:14px;margin-top:26px}
  .steps::after{display:none}
  .section-head h2{font-size:24px}
  .tip-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .compare-panel{padding:22px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 16px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .page-hero .container{padding-top:36px;padding-bottom:32px}
  .page-hero h1{font-size:28px}
  .tip-num{width:34px;height:34px;font-size:14px}
  .cta-band{border-radius:16px;padding:24px 20px}
  .page-link{min-width:34px;height:34px;padding:0 10px}
}

/* roulang page: category3 */
:root{
  --primary:#1F5FA8;
  --primary-dark:#154277;
  --primary-soft:#E8F0FA;
  --accent:#F08A24;
  --accent-soft:#FFF3E4;
  --success:#2FA98C;
  --danger:#E2574C;
  --bg:#F6F8FC;
  --bg-2:#EEF3FA;
  --card:#FFFFFF;
  --text:#1B2836;
  --text-2:#55677A;
  --text-3:#8A9AAB;
  --border:#E3E9F1;
  --border-strong:#C9D8EA;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-card:0 1px 2px rgba(27,40,54,.05),0 8px 22px rgba(31,95,168,.07);
  --shadow-hover:0 6px 14px rgba(27,40,54,.08),0 16px 32px rgba(31,95,168,.12);
  --shadow-float:0 2px 12px rgba(27,40,54,.09);
  --ease:160ms ease-out;
}
*,*::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","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;}
input,select{font:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:var(--primary-soft);color:var(--primary-dark);}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-float);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--primary);color:#fff;
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
}
.brand-text{color:var(--text);}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:30px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);
  transition:color var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;opacity:0;transition:transform var(--ease),opacity var(--ease);
}
.main-nav a:hover{color:var(--primary);}
.main-nav a:hover::after{transform:scaleX(1);opacity:.6;}
.main-nav a.is-active{color:var(--primary);}
.main-nav a.is-active::after{transform:scaleX(1);opacity:1;}
.header-actions{display:flex;align-items:center;gap:20px;margin-left:20px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle:hover{background:var(--primary-soft);border-color:var(--border-strong);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(27,40,54,.06),0 8px 18px rgba(31,95,168,.16);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 14px rgba(27,40,54,.1),0 14px 28px rgba(31,95,168,.24);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(27,40,54,.06),0 8px 18px rgba(240,138,36,.24);}
.btn-accent:hover{background:#D9770F;transform:translateY(-1px);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,40,54,.38);z-index:80;opacity:0;
  transition:opacity var(--ease);pointer-events:none;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;width:320px;max-width:88vw;height:100%;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform 240ms ease-out;
  box-shadow:-8px 0 28px rgba(27,40,54,.14);padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border);}
.drawer-head strong{font-size:15px;color:var(--text);}
.drawer-close{
  width:36px;height:36px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;
  cursor:pointer;font-size:18px;line-height:1;color:var(--text-2);transition:background var(--ease),color var(--ease);
}
.drawer-close:hover{background:var(--primary-soft);color:var(--primary);}
.drawer-nav{margin:8px 0 20px;}
.drawer-nav li{border-bottom:1px solid var(--border);}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding-left:12px;font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.drawer-nav a:hover{color:var(--primary);background:var(--bg);}
.drawer-nav a.is-active{color:var(--primary);border-left-color:var(--primary);font-weight:600;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:24px 0 0;font-size:13px;color:var(--text-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb li::after{content:"/";margin-left:6px;color:var(--border-strong);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--text-3);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;background:var(--primary-soft);
  border-bottom:1px solid var(--border);margin-top:24px;
}
.page-hero .hero-bg{
  position:absolute;top:0;right:0;width:58%;height:100%;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  clip-path:polygon(22% 0,100% 0,100% 100%,0 100%);
  opacity:.9;
}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(232,240,250,.99) 0%,rgba(232,240,250,.95) 42%,rgba(232,240,250,.62) 72%,rgba(238,243,250,.5) 100%);
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:72px 0 76px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border-strong);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.3px;
}
.hero-copy h1{font-size:48px;line-height:1.25;font-weight:700;margin:20px 0 14px;color:var(--text);}
.hero-sub{font-size:19px;line-height:1.6;color:var(--primary-dark);font-weight:600;}
.hero-desc{margin-top:12px;font-size:16px;color:var(--text-2);max-width:44ch;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:22px;border-top:1px dashed var(--border-strong);}
.hero-stats li{font-size:13px;color:var(--text-3);}
.hero-stats strong{
  display:block;font-size:24px;line-height:1.3;font-weight:700;color:var(--primary-dark);
  font-variant-numeric:tabular-nums;
}
.hero-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:26px;
}
.hero-panel h2{font-size:15px;font-weight:600;color:var(--text-3);letter-spacing:.3px;}
.progress{margin-top:18px;}
.progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2);}
.progress-head strong{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums;}
.badge-percent{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent-soft);color:#B45F09;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.progress-track{height:10px;border-radius:999px;background:var(--border);overflow:hidden;margin-top:12px;}
.progress-fill{height:100%;width:62%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.progress-foot{display:flex;justify-content:space-between;margin-top:10px;font-size:13px;color:var(--text-3);}
.panel-list{margin-top:22px;border-top:1px solid var(--border);padding-top:16px;display:grid;gap:12px;}
.panel-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2);}
.panel-list span{color:var(--text-3);}
.panel-list b{font-weight:600;color:var(--primary-dark);font-variant-numeric:tabular-nums;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--text-2);max-width:46ch;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.text-link{color:var(--primary);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap var(--ease),color var(--ease);}
.text-link:hover{color:var(--primary-dark);gap:10px;}

/* ============ 奖励宫格 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.reward-card{
  position:relative;grid-column:span 1;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform 200ms ease-out,box-shadow 200ms ease-out;
}
.reward-card--lg{grid-column:span 2;}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
.reward-card:hover .card-media img{transform:scale(1.03);}
.corner-badge{
  position:absolute;top:12px;right:0;height:26px;display:inline-flex;align-items:center;
  padding:0 14px 0 16px;border-radius:999px 0 0 999px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.4px;transition:transform 200ms ease-out;
}
.reward-card:hover .corner-badge{transform:translateY(-2px);}
.card-body{padding:20px;}
.card-body h3{font-size:18px;line-height:1.45;font-weight:600;transition:color var(--ease);}
.reward-card--lg .card-body h3{font-size:20px;}
.reward-card:hover .card-body h3{color:var(--primary);}
.card-body p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2);}
.card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3);}
.card-meta .arrow{color:var(--primary);transition:transform var(--ease);}
.reward-card:hover .card-meta .arrow{transform:translateX(4px);}
.tag-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;
}

/* ============ 档位小卡 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.tier-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-card);padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform 200ms ease-out,box-shadow 200ms ease-out,border-color var(--ease);
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);}
.tier-index{
  width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.tier-card h3{font-size:18px;font-weight:600;}
.tier-card p{font-size:14px;color:var(--text-2);}
.tier-card .btn{margin-top:auto;align-self:flex-start;}

/* ============ 标签条 + 紧凑列表 ============ */
.tagbar{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;margin-bottom:28px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tagbar::-webkit-scrollbar{display:none;}
.tag{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 18px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:14px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.tag:hover{border-color:var(--border-strong);}
.tag.is-active{background:var(--primary);color:#fff;}
.compact-list{display:grid;gap:16px;}
.compact-item{
  display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-card);padding:14px;
  transition:transform 200ms ease-out,box-shadow 200ms ease-out;
}
.compact-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.compact-thumb{aspect-ratio:4/3;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-2);}
.compact-thumb img{width:100%;height:100%;object-fit:cover;}
.compact-main h3{font-size:16px;line-height:1.5;font-weight:600;transition:color var(--ease);}
.compact-item:hover .compact-main h3{color:var(--primary);}
.compact-main p{margin-top:6px;font-size:14px;color:var(--text-2);}
.compact-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:13px;color:var(--text-3);}
.compact-side time{font-variant-numeric:tabular-nums;}
.list-empty{
  background:var(--card);border:1px dashed var(--border-strong);border-radius:var(--radius);
  padding:44px 24px;text-align:center;color:var(--text-2);
}
.list-empty .empty-icon{
  width:52px;height:52px;border-radius:16px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;
}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);aspect-ratio:16/10;background:var(--bg-2);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split h2{font-size:34px;line-height:1.3;font-weight:700;margin-bottom:16px;}
.split p.lead{color:var(--text-2);font-size:16px;margin-bottom:22px;}
.check-list{display:grid;gap:16px;}
.check-list li{
  position:relative;padding-left:30px;font-size:15px;color:var(--text-2);
  border-left:3px solid var(--primary-soft);padding-top:2px;padding-bottom:2px;
  padding-left:20px;transition:border-color var(--ease);
}
.check-list li:hover{border-left-color:var(--primary);}
.check-list strong{display:block;color:var(--text);font-weight:600;font-size:16px;margin-bottom:4px;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--primary-dark);color:#fff;border-radius:var(--radius-lg);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:52ch;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;padding:56px 0 36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:14px;}
.footer-about{font-size:14px;color:var(--text-2);max-width:34ch;}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-note p{font-size:14px;color:var(--text-2);margin-bottom:10px;max-width:32ch;}
.footer-bottom{
  border-top:1px solid var(--border);padding:18px 0 30px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease-out,transform 420ms ease-out;}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero-copy h1{font-size:42px;}
  .section{padding:72px 0;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions{margin-left:auto;gap:12px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:56px 0 60px;}
  .page-hero .hero-bg{width:80%;opacity:.55;}
  .hero-copy h1{font-size:36px;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .reward-card--lg{grid-column:span 2;}
  .tier-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:44px 0 28px;}
  .section{padding:64px 0;}
  .section-head h2,.split h2{font-size:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:56px;}
  .site-header.is-scrolled .header-inner{height:56px;}
  .brand{font-size:15px;}
  .header-actions .btn{display:none;}
  .hero-copy h1{font-size:30px;}
  .hero-sub{font-size:17px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:20px;}
  .hero-stats strong{font-size:20px;}
  .reward-grid{grid-template-columns:1fr;gap:20px;}
  .reward-card--lg{grid-column:span 1;}
  .tier-grid{grid-template-columns:1fr;}
  .compact-item{grid-template-columns:88px 1fr;gap:14px;align-items:flex-start;}
  .compact-side{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between;width:100%;}
  .cta-band{padding:28px 22px;border-radius:var(--radius);}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:36px 0 24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .section{padding:48px 0;}
  .section-head h2,.split h2{font-size:24px;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;}
  .hero-copy h1{font-size:26px;}
  .hero-stats{flex-direction:column;gap:14px;}
  .compact-item{grid-template-columns:1fr;}
  .compact-thumb{aspect-ratio:16/9;}
  .compact-side{grid-column:1;}
  .card-body{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:1ms !important;animation-duration:1ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --primary:#1F5FA8;
  --primary-dark:#154277;
  --primary-soft:#E8F0FA;
  --accent:#F08A24;
  --accent-soft:#FFF3E4;
  --success:#2FA98C;
  --danger:#E2574C;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --surface-2:#EEF3FA;
  --text:#1B2836;
  --text-2:#55677A;
  --text-3:#8A9AAB;
  --border:#E3E9F1;
  --border-strong:#C9D8EA;
  --radius-sm:8px;
  --radius:10px;
  --radius-card:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(27,40,54,.05),0 8px 22px rgba(31,95,168,.07);
  --shadow-2:0 6px 14px rgba(27,40,54,.08),0 16px 32px rgba(31,95,168,.12);
  --shadow-nav:0 2px 12px rgba(27,40,54,.09);
  --container:1200px;
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ol,ul{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(31,95,168,.20)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,95,168,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(31,95,168,.20)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 14px rgba(240,138,36,.24)}
.btn-accent:hover{background:#d9770f;transform:translateY(-1px);box-shadow:0 10px 22px rgba(240,138,36,.30)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--border-strong)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .22s ease-out}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.5px;display:grid;place-items:center;flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:700;line-height:1.2;color:var(--text)}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.3px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:30px}
.main-nav a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);transition:color .18s ease-out}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:999px;
  background:var(--primary);opacity:0;transform:scaleX(.6);transition:opacity .2s ease-out,transform .2s ease-out;
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{opacity:.55;transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary);font-weight:600}
.main-nav a.is-active::after{opacity:1;transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:20px;margin-left:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius);border:1px solid var(--border);
  background:#fff;cursor:pointer;position:relative;padding:0;
}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--primary);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,40,54,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .26s ease-out,visibility .26s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:80;
  background:#fff;box-shadow:-12px 0 32px rgba(27,40,54,.16);
  transform:translateX(100%);visibility:hidden;
  transition:transform .26s ease-out,visibility .26s ease-out;
  display:flex;flex-direction:column;padding:18px 20px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border)}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:#fff;
  color:var(--text-2);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-nav{margin-top:6px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--border);transition:color .18s ease-out,background-color .18s ease-out;
}
.drawer-nav a:hover{color:var(--primary);background:var(--primary-soft)}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;box-shadow:inset 3px 0 0 0 var(--primary);background:var(--primary-soft)}
.drawer-cta{margin-top:22px}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--surface-2);padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3);transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--border-strong)}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ---------- 内页 Hero ---------- */
.hero-compact{position:relative;background:var(--surface-2);border-bottom:1px solid var(--border);overflow:hidden;padding:16px 0 44px}
.hero-compact::before{
  content:"";position:absolute;top:0;right:0;bottom:0;width:42%;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  clip-path:polygon(26% 0,100% 0,100% 100%,0 100%);
  opacity:.6;
}
.hero-compact::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(238,243,250,.98) 0%,rgba(238,243,250,.96) 48%,rgba(238,243,250,.62) 74%,rgba(238,243,250,.38) 100%);
}
.hero-inner{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#fff;color:var(--primary);font-size:13px;font-weight:600;border:1px solid var(--border-strong);
}
.hero-compact h1{font-size:clamp(30px,4vw,42px);line-height:1.25;font-weight:700;margin-top:16px;letter-spacing:0}
.hero-sub{margin-top:12px;font-size:17px;color:var(--text-2);max-width:620px}
.hero-desc{
  margin-top:14px;padding-left:14px;border-left:3px solid var(--primary);
  font-size:14px;color:var(--text-2);max-width:660px;line-height:1.75;
}

/* ---------- 查询条 ---------- */
.query-bar{
  margin-top:28px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:18px;
  display:grid;grid-template-columns:1.5fr 1fr auto;gap:14px;align-items:end;
  max-width:920px;
}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:13px;color:var(--text-3)}
.field input,.field select{
  width:100%;height:46px;border:1px solid var(--border);border-radius:var(--radius);
  padding:0 14px;background:#fff;font-size:15px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,95,168,.14)}
.query-bar .btn{height:46px}
.form-msg{font-size:13px;margin-top:12px;display:none}
.form-msg.is-error{display:block;color:var(--danger)}
.form-msg.is-success{display:block;color:var(--success)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-y) 0}
.section-tight{padding-top:0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:740px;margin-bottom:34px}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2)}
.section-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}

/* ---------- 准备事项卡片 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prep-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:24px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.prep-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.prep-num{
  width:32px;height:32px;border-radius:9px;background:var(--primary-soft);color:var(--primary);
  font-size:14px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.prep-card h3{font-size:18px;font-weight:600;margin-top:16px}
.prep-card p{margin-top:8px;font-size:14px;color:var(--text-2)}

/* ---------- 分栏：FAQ + 信息卡 ---------- */
.split-7-5{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:start}
.panel-title{font-size:20px;font-weight:700;margin-bottom:18px}
.faq-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--border);transition:box-shadow .2s ease-out}
.faq-item:last-child{border-bottom:0}
.faq-item.is-open{box-shadow:inset 3px 0 0 0 var(--primary)}
.faq-q{margin:0;font-size:inherit;font-weight:inherit}
.faq-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .18s ease-out;
}
.faq-trigger:hover{color:var(--primary)}
.faq-item.is-open .faq-trigger{color:var(--primary-dark)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.faq-icon::before{left:7px;top:0;width:2px;height:16px}
.faq-icon::after{left:0;top:7px;width:16px;height:2px}
.faq-item.is-open .faq-icon::before{transform:rotate(90deg);opacity:0}
.faq-panel{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:24px;overflow:hidden}
.side-card + .side-card{margin-top:20px}
.side-card h2{font-size:18px;font-weight:700}
.side-card > p{margin-top:10px;font-size:14px;color:var(--text-2)}
.side-media{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:var(--surface-2);margin:-24px -24px 20px}
.side-media img{width:100%;height:100%;object-fit:cover}
.side-list{margin-top:14px}
.side-list li{display:flex;gap:10px;padding:9px 0;font-size:14px;color:var(--text-2);border-bottom:1px dashed var(--border)}
.side-list li:last-child{border-bottom:0}
.side-list strong{color:var(--text);font-weight:600;min-width:64px;flex-shrink:0}
.side-cta{margin-top:20px}

/* ---------- 横向紧凑卡片 ---------- */
.compact-list{display:flex;flex-direction:column;gap:18px}
.compact-card{
  display:flex;gap:20px;align-items:stretch;padding:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.compact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.compact-thumb{
  flex:0 0 210px;aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;background:var(--surface-2);
}
.compact-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.compact-card:hover .compact-thumb img{transform:scale(1.03)}
.compact-body{flex:1;min-width:0;display:flex;flex-direction:column}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.2px;
}
.compact-body h3{margin:10px 0 8px;font-size:18px;font-weight:600;line-height:1.5;transition:color .18s ease-out}
.compact-body > p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:14px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border-strong)}
.arrow{margin-left:auto;color:var(--primary);font-weight:600;transition:transform .2s ease-out}
.compact-card:hover .arrow{transform:translateX(4px)}
.back-entry{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:32px}
.link-arrow{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.link-arrow:hover{color:var(--primary-dark)}
.link-arrow:hover span{transform:translateX(3px)}
.link-arrow span{transition:transform .2s ease-out}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--primary-dark);border-radius:var(--radius-lg);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.35}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.78)}
.cta-band .btn-primary{background:var(--accent);box-shadow:0 8px 18px rgba(240,138,36,.25)}
.cta-band .btn-primary:hover{background:#d9770f}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);padding:56px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700}
.footer-brand .brand-mark{width:26px;height:26px;border-radius:8px;font-size:11px}
.footer-about{margin-top:14px;font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8}
.footer-col h3{font-size:14px;font-weight:600;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{display:inline-block;font-size:14px;color:var(--text-2);transition:color .18s ease-out,transform .18s ease-out}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note p{font-size:13px;color:var(--text-3);line-height:1.8;margin-bottom:10px}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}

/* ---------- 入场动效 ---------- */
.js-ready .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.js-ready .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .js-ready .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .header-inner{gap:18px}
  .main-nav ul{gap:24px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  :root{--section-y:64px}
  .main-nav{display:none}
  .nav-toggle{display:block}
  .header-actions{margin-left:auto}
  .header-actions .btn{display:none}
  .header-inner{height:64px}
  .split-7-5{grid-template-columns:1fr;gap:24px}
  .prep-grid{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero-compact::before{width:52%}
}
@media (max-width:767px){
  :root{--section-y:56px}
  .hero-compact h1{font-size:30px}
  .hero-sub{font-size:16px}
  .query-bar{grid-template-columns:1fr;gap:14px;padding:16px}
  .query-bar .btn{width:100%}
  .compact-card{flex-direction:column;gap:16px}
  .compact-thumb{flex:none;width:100%;aspect-ratio:16/9}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-band .btn{width:100%}
  .section-head h2{font-size:26px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  :root{--section-y:48px}
  .brand-text{font-size:15px}
  .brand-text em{display:none}
  .hero-compact{padding:12px 0 36px}
  .hero-compact::before{width:64%;opacity:.45}
  .hero-compact::after{background:linear-gradient(90deg,rgba(238,243,250,.99) 0%,rgba(238,243,250,.96) 60%,rgba(238,243,250,.72) 100%)}
  .hero-compact h1{font-size:30px}
  .faq-trigger{padding:18px 16px;font-size:15px}
  .faq-panel{padding:0 16px 18px}
  .side-card{padding:20px}
  .side-media{margin:-20px -20px 18px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .back-entry .btn{width:100%}
}