/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#1257C9;
  --brand-dark:#0A3A8C;
  --brand-soft:#E8F0FE;
  --brand-line:#C9DBF8;
  --orange:#FF7A21;
  --orange-cta:#E85D04;
  --orange-cta-hover:#C94F02;
  --green:#12A87A;
  --green-soft:#E6F7F1;
  --red:#E5484D;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#1B2434;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-card:0 2px 8px rgba(18,40,80,.06), 0 12px 28px rgba(18,40,80,.06);
  --sh-hover:0 6px 16px rgba(18,40,80,.10), 0 18px 40px rgba(18,40,80,.10);
  --ease:cubic-bezier(.25,.6,.3,1);
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.site-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--white{background:#fff;}
[id]{scroll-margin-top:88px;}

/* 覆盖 Foundation 默认外观 */
.grid-x > .cell{min-width:0;}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x > .cell{padding-left:12px;padding-right:12px;}
@media screen and (max-width:639px){
  .grid-padding-x{margin-left:-8px;margin-right:-8px;}
  .grid-padding-x > .cell{padding-left:8px;padding-right:8px;}
}
.button,button,a.button{background:none;border:0;color:inherit;}
.callout{border:0;}

/* ============ 顶部信息条 ============ */
.topbar{background:#0F1B2D;color:rgba(255,255,255,.82);font-size:13px;line-height:1.5;}
.topbar .site-container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar-note svg{width:15px;height:15px;flex:0 0 auto;opacity:.85;}
.topbar-links{display:flex;align-items:center;gap:20px;flex-wrap:nowrap;overflow-x:auto;}
.topbar-links a{color:rgba(255,255,255,.82);white-space:nowrap;font-size:13px;padding:2px 0;}
.topbar-links a:hover{color:#fff;}
.topbar-links a.topbar-strong{color:#fff;font-weight:600;}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);}
.site-header.is-stuck{box-shadow:0 2px 10px rgba(18,40,80,.06);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-size:20px;font-weight:700;color:var(--brand-dark);letter-spacing:-.01em;}
.logo:hover{color:var(--brand-dark);}
.logo-mark{width:30px;height:30px;border-radius:50%;background:var(--brand);display:inline-flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto;}
.logo-mark svg{width:17px;height:17px;}
.nav-menu{display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0;}
.nav-menu > li{position:relative;}
.nav-menu a{display:block;position:relative;padding:10px 13px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;}
.nav-menu a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-menu a.active{color:var(--brand);font-weight:600;}
.nav-menu a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.search-toggle{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s var(--ease);}
.search-toggle:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft);}
.search-toggle svg{width:18px;height:18px;}
.search-panel{position:absolute;right:24px;top:calc(100% + 8px);width:340px;max-width:calc(100vw - 32px);background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-hover);border:1px solid var(--line);padding:16px;display:none;}
.search-panel.is-open{display:block;}
.search-panel label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.search-panel .field-row{display:flex;gap:8px;}
.search-panel input{flex:1 1 auto;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 14px;color:var(--text);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.search-panel input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,87,201,.12);outline:none;}
.nav-cta{display:inline-flex;}
.burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--text);}
.burger svg{width:20px;height:20px;}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(15,27,45,.42);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:90;transform:translateX(102%);transition:transform .24s var(--ease);display:flex;flex-direction:column;}
.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(--line);}
.drawer-head span{font-size:16px;font-weight:700;color:var(--brand-dark);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;}
.drawer-close svg{width:16px;height:16px;}
.drawer-body{flex:1 1 auto;overflow-y:auto;padding:8px 0;}
.drawer-body a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 20px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-body a:hover{background:var(--bg);color:var(--brand);}
.drawer-body a.active{color:var(--brand);font-weight:600;}
.drawer-body a svg{width:14px;height:14px;color:var(--text-3);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:#0E4BB0;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,87,201,.22);}
.btn-cta{background:var(--orange-cta);color:#fff;}
.btn-cta:hover{background:var(--orange-cta-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,93,4,.24);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-line);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.55;transform:none;box-shadow:none;cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:13px;line-height:1.5;font-weight:500;}
.badge-blue{background:var(--brand-soft);color:var(--brand-dark);}
.badge-green{background:var(--green-soft);color:#0B7A58;}
.badge-orange{background:#FFF1E6;color:#B84A02;}
.chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);font-size:13px;background:var(--brand-soft);color:var(--brand-dark);transition:all .2s var(--ease);}
.chip:hover{background:var(--brand);color:#fff;}

/* ============ Hero ============ */
.hero{position:relative;background:#fff;padding:64px 0 0;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,4.6vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--text);margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:42em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-trust svg{width:18px;height:18px;color:var(--brand);flex:0 0 auto;}
.hero-visual{position:relative;margin-top:8px;}
.hero-image-wrap{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);background:var(--brand-soft);}
.hero-image-wrap img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-image-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.62) 0%,rgba(255,255,255,.12) 42%,rgba(10,58,140,.30) 100%);}
.float-card{position:absolute;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-hover);padding:12px 16px;min-width:132px;z-index:2;}
.float-card .fc-label{font-size:12px;color:var(--text-3);line-height:1.5;}
.float-card .fc-value{font-size:19px;font-weight:700;color:var(--brand-dark);line-height:1.4;}
.float-card .fc-value small{font-size:12px;font-weight:500;color:var(--text-2);margin-left:4px;}
.float-card--a{left:16px;bottom:20px;}
.float-card--b{right:16px;top:20px;}
.hero-fade{height:24px;background:linear-gradient(180deg,#fff 0%,rgba(232,240,254,.85) 100%);}

/* ============ 通用板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700;color:var(--text);}
.sec-head p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:46em;}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.sec-link svg{width:15px;height:15px;transition:transform .2s var(--ease);}
.sec-link:hover svg{transform:translateX(3px);}

/* ============ 频道导航（非卡片图网格） ============ */
.topic-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.topic-item{background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-card);display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.topic-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.topic-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;}
.topic-icon svg{width:21px;height:21px;}
.topic-item h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px;}
.topic-item p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.topic-item .sec-link{margin-top:auto;}

/* ============ 主推网格卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.p-card{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.p-card-cover{position:relative;overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0;background:var(--brand-soft);}
.p-card-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s var(--ease);}
.p-card:hover .p-card-cover img{transform:scale(1.04);}
.p-card-cover .badge{position:absolute;left:12px;top:12px;background:rgba(232,240,254,.94);color:var(--brand-dark);backdrop-filter:blur(2px);}
.p-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.p-card-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.p-card-body p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.p-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
.p-card-foot .meta{font-size:13px;color:var(--text-3);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ 数据能力条 ============ */
.metric-band{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:8px 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.metric{padding:26px 28px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric .m-value{font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.3;}
.metric .m-value em{font-style:normal;color:var(--orange);}
.metric .m-label{font-size:14px;font-weight:600;color:var(--text);margin-top:4px;}
.metric .m-desc{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:2px;}

/* ============ 最新信息（CMS 区域） ============ */
.news-quick{display:flex;flex-wrap:wrap;gap:8px;}
.news-layout{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.news-feature{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.news-feature-cover{overflow:hidden;background:var(--brand-soft);}
.news-feature-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s var(--ease);}
.news-feature:hover .news-feature-cover img{transform:scale(1.03);}
.news-feature-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-feature-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:12px 0 10px;}
.news-feature-body p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.news-feature-body .btn{margin-top:auto;}
.news-side{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;}
.news-list li{border-bottom:1px solid var(--line);}
.news-list li:last-child{border-bottom:0;}
.news-list a{display:block;padding:18px 22px;transition:background-color .2s var(--ease);}
.news-list a:hover{background:var(--bg);}
.news-list h4{font-size:16px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:6px;}
.news-list a:hover h4{color:var(--brand);}
.news-list .nl-excerpt{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:10px;}
.news-list .nl-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);}
.empty-state{padding:64px 24px;text-align:center;background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-card);}
.empty-state svg{width:44px;height:44px;color:var(--brand-line);margin-bottom:14px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:18px;}

/* ============ 口碑轮播 ============ */
.testi-carousel{position:relative;}
.testi-viewport{overflow:hidden;padding:6px 0 4px;}
.testi-track{display:flex;transition:transform .3s var(--ease);}
.testi-card{flex:0 0 33.3333%;padding:0 12px;}
.testi-inner{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:24px;height:100%;display:flex;flex-direction:column;}
.testi-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:0 0 auto;}
.testi-name{font-size:15px;font-weight:600;color:var(--text);line-height:1.4;}
.testi-role{font-size:12.5px;color:var(--text-3);}
.stars{display:flex;gap:3px;margin-bottom:12px;color:var(--orange);}
.stars svg{width:15px;height:15px;}
.testi-text{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:16px;}
.testi-date{font-size:12.5px;color:var(--text-3);margin-top:auto;}
.carousel-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:28px;}
.c-arrow{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s var(--ease);}
.c-arrow:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft);}
.c-arrow svg{width:16px;height:16px;}
.dots{display:flex;align-items:center;gap:8px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand-line);border:0;padding:0;cursor:pointer;transition:all .2s var(--ease);}
.dot.is-active{width:22px;border-radius:var(--r-pill);background:var(--brand);}

/* ============ 保障条 ============ */
.guard-band{background:var(--brand-soft);border-radius:var(--r-lg);padding:32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.guard{display:flex;gap:14px;align-items:flex-start;}
.guard-icon{width:40px;height:40px;border-radius:12px;background:#fff;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.guard-icon svg{width:19px;height:19px;}
.guard h4{font-size:15.5px;font-weight:600;color:var(--text);margin-bottom:4px;}
.guard p{font-size:13.5px;color:var(--text-2);line-height:1.75;}

/* ============ 转化 CTA ============ */
.cta-panel{background:linear-gradient(135deg,#1257C9 0%,#0A3A8C 100%);border-radius:var(--r-lg);padding:44px;display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;color:#fff;}
.cta-panel h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.4;color:#fff;margin-bottom:12px;}
.cta-panel p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.8;margin-bottom:20px;max-width:40em;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 24px;}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92);}
.cta-points svg{width:17px;height:17px;color:#8FD8BC;flex:0 0 auto;}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.cta-action .btn{width:100%;max-width:280px;}
.cta-action .cta-hint{font-size:13px;color:rgba(255,255,255,.72);}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;background:#fff;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;transition:background-color .2s var(--ease);}
.faq-q:hover{background:var(--bg);}
.faq-icon{width:22px;height:22px;flex:0 0 auto;color:var(--brand);transition:transform .22s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:52em;}

/* ============ 页脚 ============ */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:40px;}
.footer-brand .logo{color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:34em;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;line-height:1.7;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56);}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.56);font-size:13px;}
.footer-bottom a:hover{color:#fff;}

/* ============ 回到顶部 ============ */
.to-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;background:var(--brand);color:#fff;border:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 20px rgba(18,87,201,.28);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s var(--ease);z-index:70;}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-dark);}
.to-top svg{width:18px;height:18px;}

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

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .nav-menu{display:none;}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  .hero{padding:40px 0 0;}
  .hero-visual{margin-top:28px;}
  .topic-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric:nth-child(2n){border-right:0;}
  .metric{border-bottom:1px solid var(--line);}
  .metric:nth-child(n+3){border-bottom:0;}
  .news-layout{grid-template-columns:1fr;}
  .testi-card{flex:0 0 50%;}
  .guard-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:24px;}
  .cta-panel{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media screen and (max-width:639px){
  .site-container{padding:0 16px;}
  .section{padding:48px 0;}
  .cta-panel .btn{max-width:100%;}
  .topbar-note{font-size:12.5px;}
  .logo{font-size:18px;}
  .hero-sub{font-size:16px;}
  .topic-strip,.card-grid{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .news-list a{padding:16px;}
  .testi-card{flex:0 0 100%;}
  .c-arrow{display:none;}
  .guard-band{grid-template-columns:1fr;}
  .float-card--b{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .sec-head{margin-bottom:24px;}
}

/* roulang page: article */
:root{
  --c-primary:#1257C9;
  --c-primary-dark:#0A3A8C;
  --c-primary-soft:#E8F0FE;
  --c-primary-border:#C9DBF8;
  --c-cta:#FF7A21;
  --c-cta-dark:#E85D04;
  --c-ok:#12A87A;
  --c-ok-soft:#E6F6F0;
  --c-warn:#E5484D;
  --c-bg:#F4F7FC;
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --c-ink:#1B2434;
  --c-ink-2:#5A6478;
  --c-ink-3:#8A93A6;
  --r-sm:8px; --r-md:12px; --r-lg:18px; --r-pill:999px;
  --sh-card:0 2px 8px rgba(18,40,80,.06), 0 12px 28px rgba(18,40,80,.06);
  --sh-hover:0 6px 16px rgba(18,40,80,.10), 0 18px 40px rgba(18,40,80,.10);
  --sh-nav:0 2px 10px rgba(18,40,80,.06);
  --t:220ms ease-out;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t);}
a:hover{color:var(--c-primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--c-ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

/* ---------- Foundation 覆盖 ---------- */
.button,.button.primary,.button.secondary,.button.success{
  background:var(--c-primary);color:#fff;border-radius:var(--r-pill);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;box-shadow:none;transition:all var(--t);
}
.button:hover,.button:focus{background:var(--c-primary-dark);color:#fff;}
input,select,textarea{
  height:46px;border:1px solid var(--c-line);border-radius:10px;
  padding:0 14px;font-size:15px;color:var(--c-ink);background:#fff;
  box-shadow:none;margin:0;transition:border-color var(--t),box-shadow var(--t);
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(18,87,201,.12);
}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-x>.cell:not(:last-child){margin-bottom:0;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:70px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--c-primary-dark);letter-spacing:-.01em;white-space:nowrap;}
.logo:hover{color:var(--c-primary);}
.logo-mark{
  width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);flex:0 0 30px;
}
.logo-mark svg{width:17px;height:17px;}
.nav-menu{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;}
.nav-menu a{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);font-weight:500;white-space:nowrap;
}
.nav-menu a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-menu a.active{color:var(--c-primary);font-weight:600;background:transparent;position:relative;}
.nav-menu a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  border-radius:3px;background:var(--c-primary);
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-toggle{
  width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);transition:all var(--t);
}
.search-toggle svg{width:20px;height:20px;}
.search-toggle:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  align-items:center;justify-content:center;color:var(--c-ink);
}
.burger svg{width:22px;height:22px;}
.burger:hover{background:var(--c-primary-soft);color:var(--c-primary);}

/* 搜索面板 */
.search-panel{
  display:none;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-hover);padding:18px 20px;margin:0 0 16px;
}
.search-panel.open{display:block;}
.search-panel label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:8px;}
.field-row{display:flex;gap:12px;}
.field-row input{flex:1 1 auto;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.45);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;background:#fff;
  transform:translateX(-102%);transition:transform var(--t);z-index:90;
  display:flex;flex-direction:column;box-shadow:var(--sh-hover);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line);}
.drawer-head .logo{font-size:17px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-nav{flex:1 1 auto;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;
  padding:0 20px;font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-nav a svg{width:16px;height:16px;color:var(--c-ink-3);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--c-line);}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  line-height:1.2;border:1px solid transparent;cursor:pointer;transition:all var(--t);
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-card);}
.btn-cta{background:var(--c-cta);color:#fff;}
.btn-cta:hover{background:var(--c-cta-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,93,4,.28);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary-border);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.55;transform:none;box-shadow:none;cursor:not-allowed;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.5;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.badge-ok{background:var(--c-ok-soft);color:#0C7A58;}
.badge-cta{background:#FFF0E6;color:var(--c-cta-dark);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--c-ink-3);padding:22px 0 20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B9C2D2;}
.crumb .now{color:var(--c-ink-2);}

/* ---------- 文章头部 ---------- */
.article-hero{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:32px 34px;margin-bottom:32px;}
.article-hero h1{font-size:clamp(26px,3.4vw,38px);line-height:1.28;letter-spacing:-.01em;}
.article-lead{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;font-size:13.5px;color:var(--c-ink-3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9D2E0;}
.article-hero .hr{height:1px;background:var(--c-line);margin:24px 0 0;}

/* ---------- 正文分栏 ---------- */
.article-layout{padding-bottom:24px;}
.article-main{min-width:0;}
.article-body{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:34px;font-size:17px;line-height:1.9;color:var(--c-ink);
  overflow-wrap:break-word;
}
.article-body p{max-width:42em;}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);line-height:1.4;margin:34px 0 16px;
  padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:.86em;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:20px;margin:26px 0 12px;}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--c-ink-2);}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:0;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:.5em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary-border);}
.article-body ol{counter-reset:num;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.5em;counter-increment:num;}
.article-body ol li::before{
  content:counter(num) ".";position:absolute;left:0;top:0;color:var(--c-primary);font-weight:700;
}
.article-body blockquote{
  margin:22px 0;padding:18px 20px;background:var(--c-bg);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink-2);
}
.article-body blockquote p{color:var(--c-ink-2);}
.article-body img{border-radius:var(--r-md);margin:20px 0;width:100%;object-fit:cover;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:#F4F7FC;border:1px solid var(--c-line);border-radius:6px;padding:2px 6px;
}
.article-body pre{
  background:#F4F7FC;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;margin:20px 0;
}
.article-body pre code{background:none;border:0;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px;border:1px solid var(--c-line);text-align:left;}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:28px 0;}

/* 空态 */
.empty-state{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:56px 24px;text-align:center;
}
.empty-state .ico{
  width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.empty-state .ico svg{width:26px;height:26px;}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px;}

/* ---------- 文末模块 ---------- */
.post-foot{margin-top:28px;display:flex;flex-direction:column;gap:24px;}
.tag-block{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:22px 24px;
}
.tag-block h3{font-size:15px;color:var(--c-ink-2);font-weight:600;margin-bottom:14px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-list a{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:13px;font-weight:600;
}
.tag-list a:hover{background:var(--c-primary);color:#fff;}

.nav-post{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.post-nav-card{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:20px 22px;transition:all var(--t);
}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.post-nav-card .k{font-size:13px;color:var(--c-ink-3);display:inline-flex;align-items:center;gap:6px;}
.post-nav-card strong{font-size:16px;color:var(--c-ink);font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-nav-card:hover strong{color:var(--c-primary);}
.post-nav-card .k svg{width:14px;height:14px;}

.back-row{display:flex;flex-wrap:wrap;gap:12px;}

/* 相关推荐 */
.related{padding:8px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;}
.sec-head h2{font-size:clamp(20px,2.2vw,26px);}
.sec-head p{color:var(--c-ink-2);font-size:14px;margin:6px 0 0;}
.sec-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.sec-link svg{width:15px;height:15px;}

.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform var(--t),box-shadow var(--t);min-width:0;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .badge{position:absolute;top:12px;left:12px;}
.card-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body .desc{font-size:14px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;font-size:13px;color:var(--c-ink-3);}
.card-foot .go{font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.card-foot .go svg{width:14px;height:14px;}

/* ---------- 侧栏 ---------- */
.article-aside{min-width:0;}
.aside-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.widget{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:22px;}
.widget h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.widget h3 svg{width:16px;height:16px;color:var(--c-primary);}
.hot-list li{border-bottom:1px solid var(--c-line);}
.hot-list li:last-child{border-bottom:0;}
.hot-list a{display:flex;gap:12px;padding:14px 0;align-items:flex-start;}
.hot-list .no{
  flex:0 0 22px;height:22px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.hot-list a:hover .no{background:var(--c-primary);color:#fff;}
.hot-list .t{font-size:14.5px;color:var(--c-ink);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-list a:hover .t{color:var(--c-primary);}
.cat-list li a{
  display:flex;align-items:center;justify-content:space-between;min-height:44px;
  padding:8px 0;font-size:14.5px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.cat-list li:last-child a{border-bottom:0;}
.cat-list li a:hover{color:var(--c-primary);}
.cat-list svg{width:15px;height:15px;color:var(--c-ink-3);}
.mini-cta{
  background:linear-gradient(135deg,#1257C9 0%,#0A3A8C 100%);
  border:0;color:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-card);
}
.mini-cta h3{color:#fff;font-size:17px;margin-bottom:10px;}
.mini-cta p{color:rgba(255,255,255,.82);font-size:14px;margin-bottom:18px;}
.mini-cta .btn{width:100%;justify-content:center;}

/* ---------- CTA 段 ---------- */
.cta-band{
  background:linear-gradient(135deg,#1257C9 0%,#0A3A8C 100%);
  border-radius:var(--r-lg);padding:40px 42px;display:flex;align-items:center;gap:32px;
  color:#fff;box-shadow:var(--sh-card);margin-top:44px;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{color:rgba(255,255,255,.84);margin-top:10px;font-size:15px;}
.cta-checks{display:flex;flex-direction:column;gap:8px;margin-top:18px;}
.cta-checks span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-checks svg{width:16px;height:16px;color:#8FE3C4;flex:0 0 16px;}
.cta-side{margin-left:auto;flex:0 0 auto;display:flex;flex-direction:column;gap:12px;align-items:stretch;}

/* ---------- FAQ ---------- */
.faq{margin-top:44px;}
.faq-list{border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;background:#fff;box-shadow:var(--sh-card);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;
}
.faq-q:hover{background:var(--c-bg);}
.faq-q .sign{flex:0 0 22px;width:22px;height:22px;position:relative;}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--t),opacity var(--t);
}
.faq-q .sign::before{left:3px;right:3px;top:10px;height:2px;}
.faq-q .sign::after{top:3px;bottom:3px;left:10px;width:2px;}
.faq-item.open .faq-q .sign::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t);}
.faq-a .inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.72);margin-top:72px;padding:56px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .logo{color:#fff;font-size:18px;margin-bottom:14px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand p{color:rgba(255,255,255,.6);font-size:13.5px;line-height:1.8;max-width:34em;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:13.5px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{color:rgba(255,255,255,.68);font-size:13.5px;margin-bottom:10px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.fb-links{display:flex;flex-wrap:wrap;gap:16px;}
.fb-links a{color:rgba(255,255,255,.55);}
.fb-links a:hover{color:#fff;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-hover);opacity:0;visibility:hidden;transition:all var(--t);z-index:70;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-primary-dark);transform:translateY(-2px);}
.to-top svg{width:20px;height:20px;}

/* ---------- 滚动进入 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease-out,transform 420ms ease-out;}
.reveal.is-visible{opacity:1;transform:none;}
section[id]{scroll-margin-top:80px;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-menu{display:none;}
  .burger{display:inline-flex;}
  .nav-wrap{height:64px;gap:16px;}
  .article-hero{padding:26px 22px;}
  .article-body{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .cta-side{margin-left:0;width:100%;}
  .cta-side .btn{width:100%;}
  .aside-sticky{position:static;}
}
@media (max-width:640px){
  .site-container{padding:0 16px;}
  .logo{font-size:17px;}
  .nav-cta{display:none;}
  .article-hero{padding:22px 18px;}
  .article-body{padding:20px 16px;font-size:16px;}
  .nav-post{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:26px 20px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-meta{gap:8px 12px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --primary:#1257C9;
  --primary-dark:#0A3A8C;
  --primary-light:#E8F0FE;
  --primary-border:#C9DBF8;
  --accent:#FF7A21;
  --accent-dark:#E85D04;
  --success:#12A87A;
  --danger:#E5484D;
  --bg:#F4F7FC;
  --panel:#FFFFFF;
  --line:#E3E9F2;
  --text:#1B2434;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-p:999px;
  --sh-1:0 2px 8px rgba(18,40,80,.06), 0 12px 28px rgba(18,40,80,.06);
  --sh-2:0 6px 16px rgba(18,40,80,.10), 0 18px 40px rgba(18,40,80,.10);
  --container:1200px;
  --font:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out}
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:-0.01em;color:var(--text)}
p{margin:0}
input,select,textarea{font-family:inherit;font-size:15px}
section[id],div[id]{scroll-margin-top:80px}

.site-container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-p);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;min-height:44px;
  transition:transform .2s ease-out, box-shadow .2s ease-out, background .2s ease-out, color .2s ease-out, border-color .2s ease-out;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(18,87,201,.25)}
.btn-cta{background:var(--accent);color:#fff}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(232,93,4,.28)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-border)}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn[disabled]{opacity:.55;transform:none;box-shadow:none;cursor:not-allowed}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-p);
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;line-height:1.5;letter-spacing:.01em;
}
.badge-green{background:#E4F6EF;color:#0B7C58}
.badge-orange{background:#FFF0E5;color:#C9560F}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(18,40,80,.06)}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:68px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--primary-dark);white-space:nowrap;
}
.logo:hover{color:var(--primary)}
.logo-mark{
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);flex:none;
}
.logo-mark svg{width:16px;height:16px}
.site-header nav{min-width:0;flex:1}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu > li{display:block}
.nav-menu a{
  position:relative;display:block;padding:9px 12px;border-radius:var(--r-p);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease-out, background .2s ease-out;
}
.nav-menu a:hover{color:var(--primary);background:var(--primary-light)}
.nav-menu a.active{color:var(--primary);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:var(--r-p);background:var(--primary);
}
.nav-menu .drawer-cta{display:none}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.search-toggle{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;color:var(--text-2);
  border:1px solid var(--line);background:#fff;
  transition:color .2s ease-out, border-color .2s ease-out, background .2s ease-out;
}
.search-toggle:hover{color:var(--primary);border-color:var(--primary-border);background:var(--primary-light)}
.search-toggle svg{width:20px;height:20px}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  place-items:center;color:var(--text);border:1px solid var(--line);background:#fff;
}
.burger svg{width:22px;height:22px}
.burger:hover{border-color:var(--primary-border);color:var(--primary)}

.search-panel{display:none;padding:16px 0 20px;border-top:1px solid var(--line);margin-top:2px}
.search-panel.open{display:block}
.search-panel label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px}
.field-row{display:flex;gap:12px;align-items:flex-start}
input[type="search"],input[type="text"],input[type="email"],textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text);transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
textarea{height:auto;padding:12px 14px;line-height:1.7}
input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,87,201,.12)}
input::placeholder,textarea::placeholder{color:var(--text-3)}

/* ---------- hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%, #F4F7FC 100%);
  border-bottom:1px solid var(--line);
}
.crumb{font-size:13px;color:var(--text-3);padding:18px 0 0}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb span{margin:0 6px}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
  min-height:300px;padding:24px 0 44px;
}
.hero-copy .badge{margin-bottom:16px}
.hero-copy h1{
  font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;letter-spacing:-0.01em;
}
.hero-lead{
  margin-top:18px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:42em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-figure{
  position:relative;margin:0;border-radius:var(--r-m);overflow:hidden;
  aspect-ratio:16/10;box-shadow:var(--sh-1);background:var(--primary-light);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,0) 55%);
  pointer-events:none;
}
.mini-card{
  position:absolute;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;
  background:#fff;border-radius:var(--r-m);padding:10px 16px;
  box-shadow:var(--sh-1);font-size:13px;color:var(--text-2);
}
.mini-num{font-size:22px;font-weight:700;color:var(--primary);line-height:1}
.mini-card.green .mini-num{color:var(--success)}

/* ---------- sections ---------- */
.section{padding:88px 0 0}
.section-head{max-width:52em;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.35}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);margin-bottom:10px;
}
.lead-text{color:var(--text-2);max-width:42em}

.zigzag-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:44px 0;
}
.zigzag-row + .zigzag-row{border-top:1px solid var(--line)}
.zigzag-row.reverse .zigzag-media{order:2}
.zigzag-row.reverse .zigzag-body{order:1}
.zigzag-body h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;margin-bottom:16px}
.zigzag-body h2 .num{
  display:inline-grid;place-items:center;width:34px;height:34px;margin-right:12px;
  border-radius:10px;background:var(--primary-light);color:var(--primary);
  font-size:15px;font-weight:700;vertical-align:middle;
}
.zigzag-body p{color:var(--text-2);max-width:42em}
.zigzag-body p + p{margin-top:14px}
.fig{
  margin:0;border-radius:var(--r-m);overflow:hidden;
  aspect-ratio:16/10;background:var(--primary-light);box-shadow:var(--sh-1);
}
.fig img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.fig:hover img{transform:scale(1.03)}
.fig-cap{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center}

.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;background:#fff;border-radius:var(--r-m);
  box-shadow:var(--sh-1);font-size:15px;color:var(--text-2);line-height:1.75;
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.check-list li strong{color:var(--text);font-weight:600}
.check-list .tick{
  flex:none;width:22px;height:22px;border-radius:50%;margin-top:3px;
  display:grid;place-items:center;background:var(--primary-light);color:var(--primary);
}
.check-list .tick svg{width:13px;height:13px}
.check-list.green .tick{background:#E4F6EF;color:var(--success)}

.spec-list{display:flex;flex-direction:column;gap:0;margin-top:20px}
.spec-list li{
  display:flex;gap:16px;align-items:flex-start;padding:16px 0;
  border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);
}
.spec-list li:first-child{padding-top:6px}
.spec-list li:last-child{border-bottom:0}
.spec-list .icon{
  flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);
}
.spec-list .icon svg{width:18px;height:18px}
.spec-list h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px}

.table-wrap{
  margin-top:8px;overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;min-width:640px}
th{
  text-align:left;font-size:14px;font-weight:600;color:var(--text-2);
  background:#F4F7FC;padding:14px 16px;border-bottom:1px solid var(--line);
}
td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
tbody tr:nth-child(even){background:#FAFBFE}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--primary-light)}
td strong{color:var(--text);font-weight:600}

.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.info-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);border:1px solid transparent;
  transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--primary-border)}
.info-card .icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);margin-bottom:16px;
}
.info-card .icon svg{width:20px;height:20px}
.info-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.info-card p{font-size:14px;line-height:1.75;color:var(--text-2)}

.notice{
  margin-top:40px;display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:var(--r-m);padding:20px;box-shadow:var(--sh-1);
}
.notice p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- faq ---------- */
.faq{margin-top:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#F4F7FC}
.faq summary .ico{
  flex:none;width:22px;height:22px;display:grid;place-items:center;color:var(--primary);
  transition:transform .22s ease-out;
}
.faq summary .ico svg{width:16px;height:16px}
.faq details[open] summary .ico{transform:rotate(45deg)}
.faq .ans{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:46em}

/* ---------- cta ---------- */
.cta-band{
  margin-top:88px;border-radius:var(--r-l);padding:40px;
  background:linear-gradient(135deg,#0A3A8C 0%, #1257C9 100%);
  color:#fff;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:40em}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9)}
.cta-points svg{width:16px;height:16px;flex:none;color:#8CE0BE}
.cta-action{display:flex;justify-content:flex-end}

/* ---------- footer ---------- */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.72);padding-top:56px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:0;padding-bottom:40px}
.footer-grid > * + *{border-left:1px solid rgba(255,255,255,.12);padding-left:32px}
.footer-grid > *{padding-right:24px}
.footer-brand .logo{color:#fff}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:32em}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.fb-links{display:flex;flex-wrap:wrap;gap:16px}
.fb-links a{color:rgba(255,255,255,.72)}
.fb-links a:hover{color:#fff}

/* ---------- back links & to-top ---------- */
.back-links{
  margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  font-size:14px;color:var(--text-3);
}
.back-links a{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;
  border-radius:var(--r-p);background:#fff;border:1px solid var(--line);color:var(--text-2);
  transition:color .2s ease-out, border-color .2s ease-out, background .2s ease-out;
}
.back-links a:hover{color:var(--primary);border-color:var(--primary-border);background:var(--primary-light)}

.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;background:var(--primary);color:#fff;z-index:80;
  opacity:0;visibility:hidden;box-shadow:0 6px 16px rgba(18,87,201,.28);
  transition:opacity .24s ease-out, visibility .24s ease-out, transform .24s ease-out, background .2s ease-out;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--primary-dark);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out, transform .5s ease-out}
.reveal.visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .site-container{padding:0 20px}
  .burger{display:grid}
  .nav-tools .nav-cta{display:none}
  .site-header nav{position:static;flex:0}
  .nav-menu{
    position:fixed;top:69px;left:0;right:0;bottom:0;z-index:60;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 120px;overflow-y:auto;
    transform:translateX(-100%);opacity:0;visibility:hidden;
    transition:transform .24s ease-out, opacity .2s ease-out, visibility .24s ease-out;
  }
  .nav-menu.open{transform:translateX(0);opacity:1;visibility:visible}
  .nav-menu > li{border-bottom:1px solid var(--line)}
  .nav-menu a{padding:14px 4px;border-radius:0;font-size:16px;min-height:48px;display:flex;align-items:center}
  .nav-menu a:hover{background:transparent;color:var(--primary)}
  .nav-menu a.active::after{display:none}
  .nav-menu .drawer-cta{display:block;border-bottom:0;margin-top:20px}
  .nav-menu .drawer-cta a{padding:0;justify-content:center}

  .hero-grid{grid-template-columns:1fr;gap:28px;min-height:0;padding:16px 0 36px}
  .hero-figure{order:2}
  .mini-card{right:12px;bottom:12px}
  .section{padding-top:64px}
  .zigzag-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .zigzag-row.reverse .zigzag-media{order:0}
  .zigzag-row.reverse .zigzag-body{order:0}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .cta-action{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-grid > * + *{border-left:0;padding-left:0}
  .footer-grid > *{padding-right:20px}
}

@media (max-width:639px){
  .site-container{padding:0 16px}
  body{font-size:15px}
  .logo{font-size:18px}
  .nav-wrap{gap:12px}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding-top:48px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:26px 20px}
  .cta-action .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .to-top{right:16px;bottom:16px}
  .check-list li{padding:12px 14px}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --brand:#1257C9;
  --brand-dark:#0A3A8C;
  --brand-soft:#E8F0FE;
  --brand-line:#C9DBF8;
  --accent:#FF7A21;
  --accent-dark:#E85D04;
  --ok:#12A87A;
  --ok-soft:#E4F6EF;
  --danger:#E5484D;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --t1:#1B2434;
  --t2:#5A6478;
  --t3:#8A93A6;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-p:999px;
  --sh-1:0 2px 8px rgba(18,40,80,.06), 0 12px 28px rgba(18,40,80,.06);
  --sh-2:0 6px 16px rgba(18,40,80,.10), 0 18px 40px rgba(18,40,80,.10);
  --ease:200ms ease-out;
  --container:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{
  background:none;border:0;padding:0;cursor:pointer;
  -webkit-appearance:none;appearance:none;
}
input,textarea,select{
  -webkit-appearance:none;appearance:none;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0 14px;
  height:46px;
  width:100%;
  color:var(--t1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
textarea{height:auto;padding:12px 14px;line-height:1.7;}
input:focus,textarea:focus,select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,87,201,.12);
}
::selection{background:var(--brand-soft);color:var(--brand-dark);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
section[id],div[id]{scroll-margin-top:96px;}

/* ============ 容器与通用 ============ */
.site-container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  width:100%;
}
.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999;
}
.skip-link:focus{left:0;color:#fff;}
.section-title{
  font-size:clamp(24px,3vw,32px);
  line-height:1.35;font-weight:700;color:var(--t1);
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-bottom:24px;
}
.section-head p{color:var(--t2);font-size:14px;margin-top:6px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link svg{width:16px;height:16px;transition:transform var(--ease);}
.text-link:hover svg{transform:translateX(3px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;
  border-radius:var(--r-p);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;cursor:pointer;
}
.btn svg{width:17px;height:17px;}
.btn:focus-visible{outline:2px solid var(--brand-dark);outline-offset:2px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(18,87,201,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(18,87,201,.26);}
.btn-cta{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(232,93,4,.24);}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,93,4,.28);}
.btn-ghost{background:#fff;border-color:var(--brand-line);color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:9px 18px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-p);
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge-ok{background:var(--ok-soft);color:#0B7A58;}
.badge-warm{background:#FFF1E6;color:#B4470A;}
.tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-p);
  font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
  transition:background-color var(--ease),color var(--ease);
}
.tag:hover{background:var(--brand);color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 2px 10px rgba(18,40,80,.06);}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  min-height:68px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--brand-dark);
  letter-spacing:-.01em;flex-shrink:0;
}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:17px;height:17px;}
.nav-menu{
  display:flex;align-items:center;gap:4px;
  margin:0 auto 0 0;
}
.nav-menu a{
  display:block;position:relative;
  padding:9px 14px;border-radius:var(--r-p);
  font-size:15px;font-weight:500;color:var(--t2);
}
.nav-menu a:hover{color:var(--brand-dark);background:var(--brand-soft);}
.nav-menu a.active{color:var(--brand-dark);font-weight:700;}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;
  border-radius:3px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-toggle{
  width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--t2);border:1px solid var(--line);
  transition:var(--ease);
}
.search-toggle svg{width:19px;height:19px;}
.search-toggle:hover{color:var(--brand);background:var(--brand-soft);border-color:var(--brand-line);}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--t1);
  border:1px solid var(--line);
}
.burger svg{width:20px;height:20px;}
.search-panel{
  display:none;
  padding:16px 0 18px;
  border-top:1px solid var(--line);
}
.search-panel.open{display:block;}
.search-panel label{
  display:block;font-size:13px;color:var(--t2);margin-bottom:8px;font-weight:600;
}
.field-row{display:flex;gap:10px;align-items:center;}
.field-row input{flex:1;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:48px 0 56px;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(244,247,252,.97) 62%,rgba(244,247,252,1) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.page-hero .site-container{position:relative;z-index:1;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);margin-bottom:20px;
}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#B9C1D0;}
.crumb .current{color:var(--t2);}
.page-hero h1{
  font-size:clamp(30px,4.6vw,44px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:var(--t1);max-width:22em;
}
.hero-lead{
  max-width:46em;margin-top:18px;
  font-size:16px;line-height:1.85;color:var(--t2);
}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;
}
.fact-chip{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-p);
  padding:9px 16px;font-size:14px;color:var(--t2);
  box-shadow:var(--sh-1);
}
.fact-chip svg{width:16px;height:16px;color:var(--brand);flex-shrink:0;}
.fact-chip strong{color:var(--brand-dark);font-weight:700;}

/* ============ 主体两栏 ============ */
.cate-section{padding:56px 0 8px;}
.cate-layout{padding-left:0;padding-right:0;}
.cate-aside{position:relative;}
.toc-card{
  position:sticky;top:96px;
  background:#fff;border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:20px 18px;
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--t3);text-transform:uppercase;margin-bottom:12px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:14.5px;color:var(--t2);font-weight:500;
  transition:background-color var(--ease),color var(--ease);
}
.toc-list a::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--brand-line);flex-shrink:0;
  transition:background-color var(--ease),transform var(--ease);
}
.toc-list a:hover{background:var(--bg);color:var(--brand-dark);}
.toc-list a.is-current{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.toc-list a.is-current::before{background:var(--brand);transform:scale(1.5);}
.toc-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--t3);
}

/* ============ 内容区块 ============ */
.block{
  background:#fff;border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:30px 30px 28px;
  margin-bottom:24px;
}
.block:last-child{margin-bottom:0;}
.block-title{
  font-size:clamp(20px,2.2vw,24px);
  font-weight:700;line-height:1.4;color:var(--t1);
  display:flex;align-items:center;gap:12px;
  margin-bottom:8px;
}
.block-title::before{
  content:"";width:4px;height:22px;border-radius:3px;background:var(--brand);flex-shrink:0;
}
.block-sub{font-size:14px;color:var(--t3);margin-bottom:22px;}
.block p{max-width:44em;color:var(--t2);}
.block p + p{margin-top:1.1em;}
.block h3{
  font-size:20px;font-weight:600;line-height:1.45;color:var(--t1);
  margin:28px 0 10px;
}
.block h4{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--t1);margin-bottom:6px;
}

/* 图片 */
.figure{
  margin:24px 0 8px;border-radius:var(--r-m);overflow:hidden;
}
.figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-m);
}
.figure figcaption{
  font-size:13px;color:var(--t3);text-align:center;margin-top:10px;
}
.figure-inline{max-width:560px;}

/* 公告速览列表 */
.notice-list{border-top:1px solid var(--line);}
.notice-item{
  display:block;
  padding:16px 12px;
  border-bottom:1px solid var(--line);
  border-radius:0;
}
.notice-item:hover{background:var(--bg);}
.notice-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);margin-bottom:6px;
}
.notice-item h4{font-size:17px;color:var(--t1);}
.notice-item:hover h4{color:var(--brand-dark);}
.notice-item p{font-size:14.5px;color:var(--t2);margin-top:4px;}
.notice-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;margin-top:14px;
  font-size:13px;color:var(--t3);
}

/* 卡片流（非对称两列） */
.mix-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:20px;
  margin-top:22px;
}
.mini-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.mini-card .thumb{position:relative;overflow:hidden;border-radius:var(--r-m) var(--r-m) 0 0;}
.mini-card .thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform 220ms ease-out;
}
.mini-card:hover .thumb img{transform:scale(1.04);}
.thumb-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:var(--r-p);
  background:rgba(255,255,255,.92);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;backdrop-filter:none;
}
.mini-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.mini-body h4{
  font-size:17px;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-body p{
  font-size:14px;color:var(--t2);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-foot{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t3);
}

/* 节点提醒 */
.timeline{
  position:relative;margin-top:20px;padding-left:26px;
}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:var(--brand-line);border-radius:2px;
}
.tl-item{position:relative;padding:0 0 24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:7px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-date{font-size:13px;color:var(--brand-dark);font-weight:700;letter-spacing:.02em;}
.tl-item h4{margin-top:4px;font-size:17px;}
.tl-item p{font-size:14.5px;margin-top:4px;}

/* 数据条 */
.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:22px;
}
.stat-box{
  background:var(--bg);border-radius:var(--r-m);
  padding:18px 20px;
}
.stat-box strong{
  display:block;font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.3;
}
.stat-box span{font-size:13.5px;color:var(--t2);}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px;position:relative;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:14px;font-weight:700;margin-bottom:12px;
}
.step h4{font-size:16.5px;}
.step p{font-size:14px;color:var(--t2);margin-top:6px;}

/* 订阅表单 */
.subscribe{
  margin-top:22px;padding:22px;
  background:var(--bg);border-radius:var(--r-m);
  display:grid;grid-template-columns:1fr auto;gap:14px;align-items:end;
}
.subscribe .field label{display:block;font-size:13px;font-weight:600;color:var(--t2);margin-bottom:8px;}
.form-hint{font-size:13px;color:var(--t3);margin-top:10px;}
.form-hint.is-error{color:var(--danger);}

/* FAQ */
.faq-list{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;margin-top:22px;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  font-size:17px;font-weight:600;color:var(--t1);
  transition:background-color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--bg);}
.faq-item summary .sign{
  position:relative;width:20px;height:20px;flex-shrink:0;
  transition:transform 220ms ease-out;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-item summary .sign::before{left:1px;right:1px;top:9px;height:2px;}
.faq-item summary .sign::after{top:1px;bottom:1px;left:9px;width:2px;}
.faq-item[open] summary .sign{transform:rotate(45deg);}
.faq-item .answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--t2);max-width:46em;}

/* CTA 条 */
.cta-band{
  margin-top:24px;
  border-radius:var(--r-l);
  background:linear-gradient(135deg,#1257C9 0%,#0A3A8C 100%);
  color:#fff;padding:34px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-band h2{
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;color:#fff;
}
.cta-band p{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:8px;max-width:40em;}
.cta-checks{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px;}
.cta-checks span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.92);
}
.cta-checks svg{width:16px;height:16px;color:#8FE3C6;flex-shrink:0;}

/* 相关分类链接组 */
.link-group{
  margin-top:24px;padding:24px 30px;
  background:#fff;border-radius:var(--r-l);box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.link-group .lg-label{font-size:14px;font-weight:700;color:var(--t1);}
.link-group a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-p);
  background:var(--bg);color:var(--t2);font-size:14px;font-weight:600;
  transition:var(--ease);
}
.link-group a:hover{background:var(--brand-soft);color:var(--brand-dark);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  background:#0F1B2D;
  color:rgba(255,255,255,.78);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:36px;
}
.footer-brand .logo{color:#fff;font-size:19px;margin-bottom:14px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:30em;}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.fb-links a{color:rgba(255,255,255,.62);font-size:13px;}
.fb-links a:hover{color:#fff;}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(18,87,201,.28);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background-color var(--ease);
}
.to-top svg{width:20px;height:20px;}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-dark);color:#fff;}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity 260ms ease-out,transform 260ms ease-out;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:24px;}
}
@media (max-width:1023px){
  .site-container{padding:0 20px;}
  .nav-wrap{gap:12px;}
  .nav-menu{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:12px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 12px 28px rgba(18,40,80,.10);
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:14px 12px;border-radius:10px;font-size:16px;min-height:48px;display:flex;align-items:center;}
  .nav-menu a.active::after{display:none;}
  .nav-menu a.active{background:var(--brand-soft);}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  .page-hero{padding:36px 0 44px;}
  .cate-section{padding:40px 0 0;}
  .cate-aside{margin-bottom:20px;}
  .toc-card{position:static;padding:16px;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{
    background:var(--bg);border-radius:var(--r-p);padding:8px 14px;font-size:13.5px;
  }
  .toc-list a::before{display:none;}
  .toc-note{display:none;}
  .mix-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .subscribe{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .block{padding:24px 22px;}
}
@media (max-width:639px){
  .site-container{padding:0 16px;}
  body{font-size:15.5px;}
  .logo{font-size:18px;}
  .page-hero{padding:28px 0 36px;}
  .hero-lead{font-size:15px;}
  .hero-facts{gap:10px;}
  .fact-chip{padding:8px 13px;font-size:13px;}
  .block{padding:20px 18px;border-radius:14px;}
  .block p{font-size:15px;}
  .mix-grid{gap:16px;}
  .stat-row{grid-template-columns:1fr;gap:12px;}
  .cta-band{padding:26px 20px;}
  .link-group{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .field-row{flex-direction:column;align-items:stretch;}
  .field-row .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1257C9;
  --c-primary-dark:#0A3A8C;
  --c-primary-soft:#E8F0FE;
  --c-primary-border:#C9DBF8;
  --c-accent:#FF7A21;
  --c-accent-dark:#E85D04;
  --c-accent-soft:#FFF1E7;
  --c-green:#12A87A;
  --c-green-soft:#E4F6EF;
  --c-red:#E5484D;
  --bg:#F4F7FC;
  --panel:#FFFFFF;
  --line:#E3E9F2;
  --text:#1B2434;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,40,80,.06), 0 12px 28px rgba(18,40,80,.06);
  --sh-2:0 6px 16px rgba(18,40,80,.10), 0 18px 40px rgba(18,40,80,.10);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:20px; --s6:24px; --s8:32px;
  --sec:96px;
  --font:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out, background-color .2s ease-out;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
section[id]{scroll-margin-top:88px;}

/* ---------- 基础版式 ---------- */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.section-head .sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:44em;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.text-link:hover{gap:10px;color:var(--c-primary-dark);}
.text-link svg{width:16px;height:16px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(18,40,80,.06);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--c-primary-dark);letter-spacing:-.01em;}
.logo:hover{color:var(--c-primary);}
.logo-mark{width:28px;height:28px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;flex:0 0 28px;}
.logo-mark svg{width:17px;height:17px;}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0;}
.nav-menu > li{list-style:none;}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.nav-menu a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-menu a.active{color:var(--c-primary);font-weight:600;}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--c-primary);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.search-toggle{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.search-toggle svg{width:19px;height:19px;}
.search-toggle:hover{color:var(--c-primary);border-color:var(--c-primary-border);background:var(--c-primary-soft);}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;
  color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.burger svg{width:20px;height:20px;}
.search-panel{
  display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:18px 20px;margin:0 0 18px;
}
.search-panel.is-open{display:block;}
.search-panel label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.field-row{display:flex;gap:10px;flex-wrap:wrap;}
.field-row input{
  flex:1 1 220px;min-height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--text);background:#fff;transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.field-row input::placeholder{color:var(--text-3);}
.field-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,87,201,.12);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .2s ease-out, box-shadow .2s ease-out, background-color .2s ease-out, color .2s ease-out, border-color .2s ease-out;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(18,87,201,.22);}
.btn-primary:hover{background:#0F49AC;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(18,87,201,.26);}
.btn-cta{background:var(--c-accent);color:#fff;box-shadow:0 4px 14px rgba(232,93,4,.22);}
.btn-cta:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,93,4,.28);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary-border);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn[disabled]{opacity:.55;pointer-events:none;transform:none;}
.btn:active{transform:translateY(0);}

/* ---------- 徽标 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1.5;}
.badge-blue{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.badge-orange{background:var(--c-accent-soft);color:#B34700;}
.badge-green{background:var(--c-green-soft);color:#0A6E50;}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);background:#F1F4FA;color:var(--text-2);font-size:13px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C4CCDA;}
.breadcrumb .current{color:var(--text-2);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:20px;
}
.page-hero-inner{padding:44px 44px 40px;}
.page-hero h1{font-size:clamp(30px,4.6vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;max-width:20em;}
.page-hero .lead{margin-top:18px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:42em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-figure{position:relative;min-height:260px;}
.hero-figure img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.55) 0%,rgba(255,255,255,0) 55%);pointer-events:none;}
.hero-float{
  position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);padding:12px 16px;min-width:150px;
}
.hero-float .lbl{font-size:12px;color:var(--text-3);}
.hero-float .val{font-size:20px;font-weight:700;color:var(--c-primary-dark);line-height:1.3;}
.hero-float .unit{font-size:13px;color:var(--text-2);font-weight:500;}

/* 数据条 */
.stat-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.stat-item{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);}
.stat-item svg{width:18px;height:18px;color:var(--c-primary);flex:0 0 18px;}
.stat-item b{font-size:15px;font-weight:700;color:var(--text);}
.stat-item span{font-size:13px;color:var(--text-2);}

/* ---------- 锚点标签条 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:40;background:rgba(244,247,252,.94);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);padding:12px 0;
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-tab{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;transition:all .2s ease-out;
}
.anchor-tab:hover{border-color:var(--c-primary-border);color:var(--c-primary);background:var(--c-primary-soft);}
.anchor-tab.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- 卡片 ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--c-primary);}
.card-desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}
.card-foot .go{font-size:14px;font-weight:600;color:var(--c-primary);}
.card-foot .go:hover{color:var(--c-primary-dark);}

/* ---------- 流程条带 ---------- */
.process-band{background:var(--c-primary-soft);border-radius:var(--r-lg);padding:40px;}
.process-band h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;}
.process-band p.intro{margin-top:12px;color:var(--text-2);max-width:42em;}
.step-grid{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;}
.step{
  flex:1 1 220px;background:#fff;border-radius:var(--r-md);padding:22px;border:1px solid rgba(18,87,201,.08);
  box-shadow:0 2px 8px rgba(18,40,80,.05);
}
.step .num{font-size:14px;font-weight:700;color:var(--c-accent);letter-spacing:.06em;}
.step h3{margin-top:10px;font-size:17px;font-weight:600;line-height:1.5;}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- 赛程列表 ---------- */
.schedule-grid{display:flex;flex-wrap:wrap;gap:24px;}
.schedule-feature{
  flex:1 1 340px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
}
.schedule-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.schedule-feature .sf-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.schedule-feature h3{margin-top:12px;font-size:20px;font-weight:600;line-height:1.45;}
.schedule-feature p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);}
.schedule-feature .sf-meta{margin-top:auto;padding-top:18px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--text-3);}
.schedule-list{flex:1 1 480px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:8px 22px;}
.schedule-row{
  display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s ease-out;
}
.schedule-row:last-child{border-bottom:0;}
.schedule-row:hover{background:#F4F7FC;}
.schedule-row .time{flex:0 0 92px;font-size:14px;font-weight:600;color:var(--c-primary-dark);}
.schedule-row .info{flex:1 1 auto;min-width:0;}
.schedule-row .info b{display:block;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.schedule-row .info span{font-size:13px;color:var(--text-3);}
.schedule-row .state{flex:0 0 auto;font-size:13px;color:var(--c-green);font-weight:600;}
.schedule-row .state.soon{color:var(--c-accent-dark);}

/* ---------- 数据看点 ---------- */
.insight-band{
  background:var(--c-primary-dark);border-radius:var(--r-lg);padding:48px 44px;color:#fff;
  box-shadow:var(--sh-1);
}
.insight-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.insight-band p{margin-top:14px;color:rgba(255,255,255,.78);max-width:46em;}
.insight-grid{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px;}
.insight-card{
  flex:1 1 200px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:22px;
}
.insight-card .k{font-size:13px;color:rgba(255,255,255,.72);}
.insight-card .v{margin-top:8px;font-size:28px;font-weight:700;line-height:1.2;color:#fff;}
.insight-card .v small{font-size:14px;font-weight:500;color:rgba(255,255,255,.78);margin-left:4px;}

/* ---------- 图文交错 ---------- */
.media-row{display:flex;flex-wrap:wrap;align-items:center;gap:40px;}
.media-row.reverse{flex-direction:row-reverse;}
.media-row + .media-row{margin-top:56px;}
.media-figure{flex:1 1 380px;}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);box-shadow:var(--sh-1);}
.media-copy{flex:1 1 400px;}
.media-copy h3{font-size:20px;font-weight:600;line-height:1.45;}
.media-copy p{margin-top:12px;color:var(--text-2);}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.check-list svg{width:18px;height:18px;color:var(--c-green);flex:0 0 18px;margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:8px 26px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .22s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:46em;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#0A3A8C 0%,#1257C9 100%);
  border-radius:var(--r-lg);padding:48px 44px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.80);max-width:38em;}
.cta-checks{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;}
.cta-checks li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.90);}
.cta-checks svg{width:16px;height:16px;color:#8FE3C6;}

/* ---------- 返回链接组 ---------- */
.back-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:40px;font-size:15px;}
.back-links a{
  padding:8px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:500;
}
.back-links a:hover{color:var(--c-primary);border-color:var(--c-primary-border);background:var(--c-primary-soft);}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.72);margin-top:96px;padding:56px 0 24px;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px 32px;}
.footer-brand{flex:1 1 280px;}
.site-footer .logo{color:#fff;font-size:19px;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-mark{background:rgba(255,255,255,.10);color:#8FB6F5;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:32em;color:rgba(255,255,255,.66);}
.footer-col{flex:1 1 150px;border-left:1px solid rgba(255,255,255,.10);padding-left:24px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.fb-links{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.fb-links a{color:rgba(255,255,255,.62);font-size:13px;}
.fb-links a:hover{color:#fff;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:0;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(18,87,201,.28);cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity .22s ease-out, visibility .22s ease-out, transform .22s ease-out;z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-primary-dark);transform:translateY(-2px);}
.to-top svg{width:20px;height:20px;}

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

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:64px;}
  .nav-menu{
    position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:88px 20px 24px;gap:0;transform:translateX(-100%);transition:transform .24s ease-out;
    overflow-y:auto;z-index:80;box-shadow:var(--sh-2);
  }
  body.nav-open .nav-menu{transform:none;}
  .nav-menu a{height:48px;border-radius:var(--r-md);font-size:16px;color:var(--text);padding:0 12px;}
  .nav-menu a.active::after{display:none;}
  .nav-menu a.active{background:var(--c-primary-soft);color:var(--c-primary);}
  .burger{display:inline-flex;position:relative;z-index:90;}
  .nav-cta{display:none;}
  .anchor-bar{top:72px;}
  .page-hero-inner{padding:36px 32px 32px;}
  .process-band,.insight-band,.cta-band{padding:36px 28px;}
  .media-row{gap:28px;}
  .media-row.reverse{flex-direction:row;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .site-container{padding:0 16px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x > .cell{padding-left:8px;padding-right:8px;}
  .page-hero-inner{padding:28px 20px 26px;}
  .page-hero .lead{font-size:15px;}
  .hero-figure img{min-height:210px;}
  .hero-float{left:14px;bottom:14px;padding:10px 14px;min-width:130px;}
  .stat-strip{gap:8px;}
  .stat-item{width:100%;}
  .faq-panel{padding:4px 18px;}
  .schedule-list{padding:4px 16px;}
  .schedule-row{flex-wrap:wrap;gap:6px 14px;}
  .schedule-row .time{flex:0 0 auto;}
  .process-band,.insight-band,.cta-band{padding:28px 20px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-col{border-left:0;padding-left:0;flex:1 1 100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --primary:#1257C9;
  --primary-dark:#0A3A8C;
  --primary-light:#E8F0FE;
  --primary-border:#C9DBF8;
  --accent:#FF7A21;
  --accent-dark:#E85D04;
  --success:#12A87A;
  --danger:#E5484D;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#1B2434;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-card:0 2px 8px rgba(18,40,80,.06),0 12px 28px rgba(18,40,80,.06);
  --shadow-hover:0 6px 16px rgba(18,40,80,.10),0 18px 40px rgba(18,40,80,.10);
  --shadow-nav:0 2px 10px rgba(18,40,80,.06);
  --section-y:96px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  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 .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.6vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{font-size:16px;line-height:1.85;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 容器与板块 ============ */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section-alt{background:#fff;}
.section-head{max-width:820px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-sub{color:var(--text-2);font-size:16px;line-height:1.85;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-light);border:1px solid var(--primary-border);
  padding:4px 12px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow-light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.32);color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  border-radius:var(--r-pill);border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  text-align:center;white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(18,40,80,.06);}
.btn-primary:hover{background:#0F4BB0;color:#fff;box-shadow:var(--shadow-hover);}
.btn-cta{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(255,122,33,.24);}
.btn-cta:hover{background:var(--accent-dark);color:#fff;box-shadow:0 8px 20px rgba(232,93,4,.28);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary-border);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary);}
.btn-ghost-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn[disabled]{opacity:.55;pointer-events:none;transform:none;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--shadow-nav);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;
  color:var(--primary-dark);letter-spacing:-.01em;
}
.logo:hover{color:var(--primary);}
.logo-mark{
  width:30px;height:30px;border-radius:var(--r-pill);background:var(--primary-light);
  display:grid;place-items:center;color:var(--primary);flex:0 0 30px;
}
.logo-mark svg{width:17px;height:17px;}

.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu li{list-style:none;}
.nav-menu li a{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-menu li a:hover{color:var(--primary);background:var(--primary-light);}
.nav-menu li a.active{color:var(--primary);font-weight:600;background:var(--primary-light);}
.nav-menu li a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:var(--r-pill);background:var(--primary);
}

.nav-tools{display:flex;align-items:center;gap:10px;}
.search-toggle{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:grid;place-items:center;
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.search-toggle svg{width:19px;height:19px;}
.search-toggle:hover{color:var(--primary);border-color:var(--primary-border);background:var(--primary-light);}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text);place-items:center;
}
.burger svg{width:20px;height:20px;}

.search-panel{
  display:none;padding:0 0 22px;
}
.search-panel.is-open{display:block;}
.search-panel label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field-row{display:flex;gap:12px;flex-wrap:wrap;}
.search-panel input[type="search"]{
  flex:1 1 260px;height:46px;padding:0 16px;border-radius:10px;
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--text);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-panel input[type="search"]:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,87,201,.12);
}

/* ============ 页面 Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--primary-dark);}
.page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,58,140,.94) 0%,rgba(10,58,140,.72) 52%,rgba(18,87,201,.46) 100%);
}
.page-hero .site-container{position:relative;z-index:2;padding-top:56px;padding-bottom:64px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;}
.page-hero h1{color:#fff;max-width:800px;margin-bottom:16px;}
.hero-lead{color:rgba(255,255,255,.88);font-size:17px;max-width:680px;margin-bottom:28px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-wave{
  height:24px;background:linear-gradient(180deg,rgba(18,87,201,.14),rgba(244,247,252,0));
}

/* ============ 速览数据 ============ */
.intro-grid{margin-top:-56px;position:relative;z-index:5;}
.intro-lead{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-card);
  padding:32px 34px;
}
.intro-lead p{color:var(--text-2);max-width:42em;}
.intro-lead p + p{margin-top:1.1em;}
.stat-row{margin-top:24px;}
.stat-card{
  background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-card);
  padding:22px 24px;height:100%;display:flex;flex-direction:column;gap:6px;
  border-top:3px solid var(--primary);
}
.stat-card .stat-num{font-size:30px;font-weight:700;color:var(--primary);line-height:1.2;}
.stat-card .stat-label{font-size:14px;font-weight:600;color:var(--text);}
.stat-card .stat-desc{font-size:13px;color:var(--text-3);line-height:1.6;}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,var(--primary-border) 60%,rgba(201,219,248,.2) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:64px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:var(--r-pill);
  background:#fff;border:2px solid var(--primary);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  box-shadow:0 2px 8px rgba(18,40,80,.08);z-index:2;
}
.tl-item.is-done .tl-dot{background:var(--primary);color:#fff;}
.tl-body{
  background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-card);
  padding:24px 26px;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.tl-time{font-size:13px;color:var(--text-3);}
.tl-body h3{margin-bottom:10px;}
.tl-body p{color:var(--text-2);font-size:15px;max-width:46em;}
.tl-body p + p{margin-top:10px;}

.badge{
  display:inline-block;font-size:12px;font-weight:600;line-height:1.5;
  padding:4px 10px;border-radius:var(--r-pill);
}
.badge-primary{background:var(--primary-light);color:var(--primary-dark);}
.badge-success{background:rgba(18,168,122,.12);color:#0B7A58;}
.badge-accent{background:rgba(255,122,33,.14);color:#B24608;}

.check-list{margin-top:14px;display:grid;gap:8px;}
.check-list li{
  position:relative;padding-left:24px;font-size:14px;color:var(--text-2);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);
}

/* ============ 图文交错 ============ */
.split-row{align-items:center;}
.split-row + .split-row{margin-top:72px;}
.figure-card{
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-card);background:#fff;
}
.figure-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.figure-cap{font-size:13px;color:var(--text-3);text-align:center;padding:12px 10px 0;}
.split-copy h3{margin-bottom:14px;}
.split-copy > p{color:var(--text-2);max-width:42em;}
.mini-list{margin-top:20px;border-top:1px solid var(--line);}
.mini-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s ease-out;
}
.mini-list li:hover{background:var(--bg);}
.mini-list .idx{
  flex:0 0 30px;width:30px;height:30px;border-radius:var(--r-sm);
  background:var(--primary-light);color:var(--primary);display:grid;place-items:center;
  font-size:13px;font-weight:700;
}
.mini-list .mi-title{font-size:15px;font-weight:600;color:var(--text);}
.mini-list .mi-desc{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ============ 对比速查 ============ */
.compare-grid{margin-top:8px;}
.compare-card{
  background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-card);
  padding:24px;height:100%;display:flex;flex-direction:column;
}
.compare-card h4{margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.dot-icon{
  width:34px;height:34px;border-radius:var(--r-sm);background:var(--primary-light);
  color:var(--primary);display:grid;place-items:center;flex:0 0 34px;
}
.dot-icon svg{width:18px;height:18px;}
.compare-card ul{display:grid;gap:10px;}
.compare-card ul li{font-size:14px;color:var(--text-2);line-height:1.75;padding-left:18px;position:relative;}
.compare-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--primary-border);
}

/* ============ FAQ ============ */
.faq-list{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);
  transition:background-color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--bg);}
.faq-item summary .plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:var(--r-pill);
  background:var(--primary-light);color:var(--primary);
  display:grid;place-items:center;font-size:17px;line-height:1;font-weight:600;
  transition:transform .22s ease-out;
}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:46em;}

/* ============ CTA 条 ============ */
.cta-band{
  border-radius:var(--r-lg);padding:40px;
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;max-width:44em;}
.cta-checks{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;}
.cta-checks span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-checks svg{width:16px;height:16px;color:#9BE7CB;flex:0 0 16px;}

/* ============ 返回链接组 ============ */
.back-links{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding-top:28px;margin-top:40px;border-top:1px solid var(--line);
}
.back-links .bl-title{font-size:14px;font-weight:600;color:var(--text-2);}
.back-links a{font-size:14px;font-weight:600;}
.back-links a:hover{text-decoration:underline;}

/* ============ 页脚 ============ */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.72);margin-top:0;padding-top:64px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:0;
}
.footer-brand{padding-right:36px;border-right:1px solid rgba(255,255,255,.10);}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:32em;}
.footer-col{padding:0 28px;border-right:1px solid rgba(255,255,255,.10);}
.footer-col:last-child{border-right:0;padding-right:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li{font-size:14px;line-height:1.7;}
.footer-col ul li a{color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:#fff;}
.footer-contact ul li{color:rgba(255,255,255,.68);}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.fb-links a{color:rgba(255,255,255,.68);font-size:13px;}
.fb-links a:hover{color:#fff;}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;border:0;display:grid;place-items:center;
  box-shadow:var(--shadow-card);opacity:0;visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out,transform .22s ease-out;
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{background:var(--primary-dark);transform:translateY(-2px);}
.to-top svg{width:20px;height:20px;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* 锚点偏移 */
[id]{scroll-margin-top:88px;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--section-y:64px;}
  .nav-wrap{height:64px;}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:84px 20px 24px;transform:translateX(100%);
    transition:transform .22s ease-out;overflow-y:auto;
    box-shadow:-10px 0 34px rgba(18,40,80,.14);z-index:110;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu li a{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;padding:0 4px;border-radius:0;border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .nav-menu li a.active::after{display:none;}
  .nav-menu li a.active{background:transparent;color:var(--primary);}
  .nav-menu li a::before{
    content:"";order:2;width:8px;height:8px;border-right:1.6px solid var(--text-3);
    border-bottom:1.6px solid var(--text-3);transform:rotate(-45deg);
  }
  .burger{display:grid;}
  .nav-cta{display:none;}
  .cta-band{padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;border-right:0;padding-right:0;padding-bottom:8px;}
  .footer-col{border-right:0;padding:0;}
}

@media (max-width:639px){
  :root{--section-y:48px;}
  .site-container{padding:0 16px;}
  .page-hero .site-container{padding-top:38px;padding-bottom:46px;}
  .hero-lead{font-size:15px;}
  .intro-grid{margin-top:-40px;}
  .intro-lead{padding:24px 20px;}
  .stat-card{padding:18px 20px;}
  .tl-item{padding-left:52px;padding-bottom:26px;}
  .tl-dot{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:16px;}
  .tl-body{padding:20px 18px;}
  .split-row + .split-row{margin-top:44px;}
  .cta-band{padding:28px 20px;}
  .back-links{gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
}