/* roulang page: index */
:root{
  --ink:#241341;
  --primary:#3B2B57;
  --primary-hover:#2F2245;
  --primary-light:#6A5794;
  --jade:#1F8A70;
  --jade-light:#E4F1EC;
  --accent:#E8643C;
  --accent-hover:#CF5330;
  --paper:#FBF9F5;
  --white:#FFFFFF;
  --alt:#F4F0E9;
  --text:#1F1B27;
  --muted:#6B6473;
  --weak:#9A94A3;
  --line:rgba(36,19,65,.10);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(36,19,65,.06);
  --shadow-2:0 10px 28px rgba(36,19,65,.12);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,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:1.9;
  letter-spacing:0;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--primary);text-decoration:none;text-underline-offset:3px;transition:color .18s ease;}
a:hover{color:var(--primary-light);text-decoration:underline;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--alt{background:var(--alt);}
.section--dark{background:var(--ink);color:#fff;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  padding-left:12px;
  border-left:4px solid var(--jade);
}
.section--dark h2{color:#fff;border-left-color:var(--accent);}
h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);}
.lead{font-size:15px;line-height:1.8;color:var(--muted);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-light);}
.link-more em{font-style:normal;display:inline-block;transition:transform .18s ease;}
.link-more:hover em{transform:translateX(4px);}
.badge{display:inline-block;font-size:12px;line-height:1;padding:5px 10px;border-radius:var(--radius-pill);background:var(--jade-light);color:var(--jade);}
.badge--seal{background:transparent;border:1px solid var(--jade);border-radius:4px;padding:4px 9px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .18s ease;}
body.is-scrolled .site-header{box-shadow:0 6px 20px rgba(36,19,65,.08);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .18s ease;}
body.is-scrolled .topbar__inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand__mark{width:24px;height:24px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;flex:0 0 24px;}
.brand__mark i{display:block;background:var(--primary);border-radius:1.5px;}
.brand__mark i:nth-child(5){background:var(--accent);}
.topbar__tools{display:flex;align-items:center;gap:16px;}
.search{display:flex;align-items:center;height:38px;padding-left:14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-pill);transition:border-color .18s ease;}
.search:focus-within{border-color:var(--primary-light);}
.search input{border:0;background:transparent;outline:none;width:170px;font-size:14px;color:var(--text);}
.search input::placeholder{color:var(--weak);}
.search button{height:36px;padding:0 16px;border:0;background:transparent;color:var(--primary);font-size:14px;font-weight:600;cursor:pointer;border-radius:var(--radius-pill);}
.search button:hover{color:var(--accent);}
.topbar__consult{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;}
.channel{border-top:1px solid var(--line);background:var(--white);}
.channel__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:52px;transition:height .18s ease;}
body.is-scrolled .channel__inner{height:46px;}
.channel__list{display:flex;align-items:center;gap:2px;}
.channel__list a{position:relative;display:inline-block;padding:14px;font-size:15px;font-weight:500;color:var(--muted);}
.channel__list a::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .16s ease;}
.channel__list a:hover::after,.channel__list a.is-active::after{transform:scaleX(1);}
.channel__list a.is-active{color:var(--primary);font-weight:600;}
.channel__tags{display:flex;align-items:center;gap:14px;font-size:13px;}
.channel__tags a{color:var(--weak);}
.channel__tags a:hover{color:var(--jade);}

/* ---------- Hero ---------- */
.hero{padding:56px 0 76px;background:var(--paper);}
.hero__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center;}
.eyebrow{display:inline-block;font-size:13px;color:var(--jade);background:var(--jade-light);border-radius:var(--radius-pill);padding:4px 14px;}
.hero h1{font-size:clamp(28px,3.4vw,44px);line-height:1.25;font-weight:700;color:var(--ink);margin:18px 0 16px;}
.hero__sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:520px;margin-bottom:28px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease;text-decoration:none;}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn--primary{background:var(--accent);color:#fff;}
.btn--primary:hover{background:var(--accent-hover);color:#fff;}
.btn--ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn--ghost:hover{background:rgba(59,43,87,.06);color:var(--primary);}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero__badges li{background:var(--jade-light);color:var(--jade);border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;line-height:1.6;}
.hero__media{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#241341 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;box-shadow:var(--shadow-2);}
.hero__media::after{content:"";position:absolute;inset:0;background:rgba(36,19,65,.35);}

/* ---------- 品牌故事 ---------- */
.story__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center;}
.story__text .kicker{display:block;font-size:13px;color:var(--jade);margin-bottom:10px;}
.story__text h3{font-size:22px;line-height:1.45;margin-bottom:18px;}
.story__text p{font-size:16px;color:var(--muted);margin-bottom:18px;}
.story__figure{margin:0;}
.story__figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);}
.story__figure figcaption{font-size:13px;color:var(--weak);margin-top:12px;}

/* ---------- 精选入口 ---------- */
.picks__grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,3fr) minmax(0,3fr);gap:24px;}
.pick-card{display:flex;flex-direction:column;height:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:26px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
.pick-card:hover{border-color:var(--primary-light);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.pick-card__num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--jade-light);color:var(--jade);font-size:13px;font-weight:700;}
.pick-card h3{margin:16px 0 10px;}
.pick-card p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:18px;}
.pick-card .link-more{margin-top:auto;}
.pick-card--lead{flex-direction:row;padding:0;overflow:hidden;}
.pick-card--lead .pick-card__media{flex:0 0 42%;min-height:220px;}
.pick-card--lead .pick-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.pick-card--lead .pick-card__body{display:flex;flex-direction:column;padding:28px;}

/* ---------- 最新信息 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-row{border-bottom:1px solid var(--line);}
.news-row__link{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:24px;align-items:center;padding:22px 10px;color:inherit;text-decoration:none;transition:background .18s ease,transform .18s ease;}
.news-row__link:hover{background:var(--paper);transform:translateX(2px);text-decoration:none;color:inherit;}
.news-row__thumb{aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-img);background:var(--paper) radial-gradient(rgba(36,19,65,.10) 1px,transparent 1px) 0 0/12px 12px;}
.news-row__thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-row__title{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);margin:10px 0 8px;}
.news-row__link:hover .news-row__title{color:var(--primary-light);}
.news-row__desc{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row__meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--weak);}
.news-row__more{color:var(--primary-light);font-weight:600;}
.empty-state{padding:64px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--white);}
.empty-state__icon{width:48px;height:48px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--alt);color:var(--primary-light);font-weight:700;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:12px;}

/* ---------- 信任背书 ---------- */
.partners{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-bottom:48px;}
.partners li{display:flex;align-items:center;justify-content:center;height:64px;background:var(--white);border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--weak);filter:grayscale(1);transition:filter .18s ease,border-color .18s ease,color .18s ease;}
.partners li:hover{filter:none;border-color:var(--primary-light);color:var(--primary);}
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.quote{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--jade);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
.quote p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:12px;}
.quote cite{font-style:normal;font-size:13px;color:var(--weak);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease;}
.faq details[open]{border-color:var(--primary-light);}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--primary-light);transition:transform .16s ease;}
.faq details[open] summary::after{content:"−";}
.faq__body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ---------- 订阅 CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:16px 16px;pointer-events:none;}
.cta__inner{position:relative;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:40px;align-items:center;padding:72px 0;}
.cta h2{color:#fff;border-left-color:var(--accent);}
.cta__desc{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);margin-top:14px;}
.cta__form{display:flex;gap:12px;}
.cta__form input{flex:1;height:48px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;}
.cta__form input::placeholder{color:rgba(255,255,255,.52);}
.cta__form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,100,60,.32);}
.cta__form button{height:48px;padding:0 24px;border:0;border-radius:var(--radius-btn);background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .18s ease,transform .18s ease;}
.cta__form button:hover{background:var(--accent-hover);transform:translateY(-1px);}
.cta__hint{font-size:13px;color:rgba(255,255,255,.55);margin-top:12px;}
.cta__hint.is-ok{color:#7BD8B8;}
.cta__hint.is-error{color:#F2A98E;}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B0E32;color:rgba(255,255,255,.72);padding-top:64px;}
.footer__grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,3fr) minmax(0,3fr);gap:40px;}
.footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer__brand .brand__mark i{background:rgba(255,255,255,.85);}
.footer__brand .brand__mark i:nth-child(5){background:var(--accent);}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.site-footer li{margin-bottom:10px;font-size:14px;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:#fff;text-decoration:none;}
.footer__note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer__bottom{margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0;}
  .hero{padding:36px 0 56px;}
  .hero__grid{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:32px;}
  .story__grid{grid-template-columns:1fr;gap:32px;}
  .picks__grid{grid-template-columns:1fr 1fr;}
  .pick-card--lead{grid-column:1 / -1;}
  .partners{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta__inner{grid-template-columns:1fr;padding:56px 0;}
  .search input{width:120px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:40px 0;}
  .hero{padding:28px 0 44px;}
  .hero__grid{grid-template-columns:1fr;gap:26px;}
  .hero__media{order:-1;}
  .topbar__inner{height:60px;}
  .search{height:36px;padding-left:10px;}
  .search input{width:0;padding:0;}
  .search button{padding:0 12px;}
  .channel__inner{display:block;height:auto;}
  .channel__list{display:flex;gap:0;overflow-x:auto;scrollbar-width:none;}
  .channel__list::-webkit-scrollbar{display:none;}
  .channel__list a{white-space:nowrap;padding:12px 12px;}
  .channel__tags{display:none;}
  .picks__grid{grid-template-columns:1fr;}
  .pick-card--lead{flex-direction:column;}
  .pick-card--lead .pick-card__media{flex:none;min-height:0;}
  .pick-card--lead .pick-card__media img{height:190px;}
  .news-row__link{grid-template-columns:1fr;gap:14px;padding:18px 6px;}
  .news-row__thumb{max-width:100%;}
  .partners{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quotes{grid-template-columns:1fr;}
  .cta__form{flex-direction:column;}
  .cta__form input,.cta__form button{width:100%;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .btn{height:48px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
/* ===== 变量层 ===== */
:root{
  --brand-900:#241341;
  --brand-700:#3B2B57;
  --brand-400:#6A5794;
  --jade:#1F8A70;
  --jade-50:#E4F1EC;
  --orange:#E8643C;
  --orange-dark:#D2552F;
  --bg:#FBF9F5;
  --card:#FFFFFF;
  --alt:#F4F0E9;
  --text:#1F1B27;
  --text-2:#6B6473;
  --text-3:#9A94A3;
  --line:rgba(36,19,65,.10);
  --line-soft:rgba(36,19,65,.08);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(36,19,65,.06);
  --shadow-2:0 10px 28px rgba(36,19,65,.12);
  --section-pad:96px;
}
/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;object-fit:cover;border-radius:var(--radius-img)}
h1,h2,h3,h4,p,figure{margin:0}
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.25;font-weight:700;color:var(--brand-900)}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;color:var(--brand-900);
   border-left:4px solid var(--jade);padding-left:12px}
h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--brand-900)}
h4{font-size:15px;line-height:1.6;font-weight:700;color:var(--brand-900)}
p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .18s ease}
a:hover{color:var(--brand-400);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
button{font-family:inherit}
table{border-collapse:collapse}
/* ===== 布局层 ===== */
.container,.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--section-pad) 0}
.section--alt{background:var(--alt)}
.section__head{max-width:780px;margin-bottom:36px}
.section__head p{margin-top:14px;font-size:16px;color:var(--text-2)}
.divider-2{height:2px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
/* ===== 头部导航 ===== */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 6px 20px rgba(36,19,65,.08)}
.topbar{border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:66px;transition:height .2s ease}
.site-header.is-scrolled .topbar__inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-900)}
.brand:hover{text-decoration:none;color:var(--brand-900)}
.brand__mark{width:24px;height:24px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;flex:0 0 24px}
.brand__mark i{display:block;background:var(--brand-700);border-radius:1px}
.brand__mark i:nth-child(5){background:var(--orange)}
.brand__name{font-size:20px;font-weight:700;line-height:1.2}
.topbar__tools{display:flex;align-items:center;gap:14px}
.search{display:flex;align-items:stretch}
.search input{
  width:220px;height:40px;padding:0 14px;font-size:14px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-right:0;border-radius:10px 0 0 10px;
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 2px rgba(232,100,60,.22)}
.search button{
  height:40px;padding:0 18px;font-size:14px;font-weight:600;color:#fff;background:var(--brand-700);
  border:0;border-radius:0 10px 10px 0;cursor:pointer;transition:background .18s ease;
}
.search button:hover{background:var(--brand-900)}
.topbar__consult{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;font-size:14px;font-weight:600;
  color:var(--brand-700);border:1px solid var(--brand-700);border-radius:10px;background:transparent;
  transition:background .18s ease,color .18s ease;
}
.topbar__consult:hover{background:rgba(59,43,87,.08);text-decoration:none;color:var(--brand-900)}
.channel{background:#fff}
.channel__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:52px}
.channel__list{display:flex;align-items:center;gap:26px}
.channel__list a{
  position:relative;display:inline-block;padding:4px 0;font-size:15px;line-height:1.6;color:var(--text-2);
}
.channel__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left center;transition:transform .16s ease;
}
.channel__list a:hover{color:var(--brand-700);text-decoration:none}
.channel__list a:hover::after{transform:scaleX(1)}
.channel__list a.is-active{color:var(--brand-700);font-weight:600}
.channel__list a.is-active::after{transform:scaleX(1)}
.channel__tags{display:flex;align-items:center;gap:10px}
.channel__tags a{
  font-size:13px;line-height:1.8;color:var(--jade);background:var(--jade-50);
  border-radius:999px;padding:4px 12px;transition:background .18s ease,color .18s ease;
}
.channel__tags a:hover{background:#D3E9E1;color:#156B57;text-decoration:none}
/* ===== 面包屑 ===== */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand-700);text-decoration:none}
.crumbs .crumbs__sep{color:var(--line-soft);opacity:.9}
.crumbs .crumbs__current{color:var(--text-2)}
/* ===== 页面首屏 ===== */
.page-hero{padding:34px 0 72px;background:var(--bg);position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;top:38px;right:-40px;width:220px;height:220px;pointer-events:none;opacity:.5;
  background-image:radial-gradient(var(--line) 1.5px,transparent 1.5px);
  background-size:22px 22px;
}
.page-hero__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;margin-top:26px}
.stamp{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-700);
  border:1px solid var(--brand-400);border-radius:4px;padding:3px 10px;margin-bottom:18px;
}
.page-hero h1{margin-bottom:16px}
.lede{font-size:17px;line-height:1.9;color:var(--text-2);max-width:660px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1.6;
  color:var(--jade);background:var(--jade-50);border-radius:999px;padding:6px 14px;
}
.pill strong{font-weight:700;color:#156B57}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;
  border:1px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(232,100,60,.22)}
.btn--primary:hover{background:var(--orange-dark);color:#fff;box-shadow:0 10px 24px rgba(232,100,60,.28)}
.btn--ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn--ghost:hover{background:rgba(59,43,87,.08);color:var(--brand-900)}
.btn--light{background:#fff;color:var(--brand-900)}
.btn--light:hover{background:#F1ECFB;color:var(--brand-900)}
.page-hero__media{position:relative}
.page-hero__media img{
  width:100%;aspect-ratio:4/3;border-radius:16px;border:1px solid var(--line-soft);
  box-shadow:var(--shadow-1);
}
/* ===== 导览卡 ===== */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.guide-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--card);
  border:1px solid var(--line-soft);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.guide-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.guide-card__media img{width:100%;height:100%;border-radius:0;transition:transform .2s ease}
.guide-card:hover .guide-card__media img{transform:scale(1.03)}
.guide-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.guide-card__meta{font-size:13px;color:var(--text-3);margin-bottom:10px}
.guide-card__body p{
  margin:10px 0 18px;font-size:15px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.link-arrow:hover{text-decoration:none;color:var(--brand-400)}
.link-arrow span{transition:transform .18s ease}
.link-arrow:hover span{transform:translateX(4px)}
/* ===== 时间节点 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-card__num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--orange);
  border:1px solid var(--orange);border-radius:4px;padding:2px 8px;margin-bottom:14px;
}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:15px;line-height:1.8;color:var(--text-2)}
/* ===== 查阅建议 ===== */
.tips{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tip-card{
  background:var(--jade-50);border-left:3px solid var(--jade);border-radius:var(--radius-card);
  padding:26px 26px 28px;
}
.tip-card h3{font-size:18px;margin-bottom:10px}
.tip-card p{font-size:15px;line-height:1.85;color:var(--text-2)}
.tip-card ul{margin-top:14px;display:grid;gap:8px}
.tip-card li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--text-2)}
.tip-card li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--jade);opacity:.75;
}
/* ===== CTA 带 ===== */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:radial-gradient(#ffffff 1.5px,transparent 1.5px);
  background-size:24px 24px;
}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band h2{color:#fff;border-left-color:var(--jade)}
.cta-band p{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:620px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
/* ===== 页脚 ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--brand-900)}
.footer__note{margin-top:14px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.footer__grid h4{margin-bottom:14px}
.footer__grid li{font-size:14px;line-height:2.1;color:var(--text-2)}
.footer__grid li a{color:var(--text-2)}
.footer__grid li a:hover{color:var(--brand-700);text-decoration:none}
.footer__bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
/* ===== 响应式层 ===== */
@media (max-width:1024px){
  :root{--section-pad:64px}
  .page-hero__grid{grid-template-columns:1fr;gap:32px}
  .page-hero__media{order:-1}
  .page-hero__media img{aspect-ratio:16/9}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:860px){
  .guide-grid{grid-template-columns:1fr}
  .tips{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--section-pad:40px}
  body{font-size:16px}
  .topbar__inner{height:60px;gap:12px}
  .site-header.is-scrolled .topbar__inner{height:56px}
  .search input{display:none}
  .search button{border-radius:10px}
  .topbar__consult{padding:0 14px}
  .channel__inner{display:block;height:auto;padding-top:6px;padding-bottom:10px}
  .channel__list{
    display:flex;flex-wrap:nowrap;gap:22px;overflow-x:auto;padding-bottom:8px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .channel__list::-webkit-scrollbar{display:none}
  .channel__list li{flex:0 0 auto}
  .channel__tags{display:none}
  .page-hero{padding-bottom:52px}
  .page-hero::after{display:none}
  .hero-actions .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:52px 0}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .guide-card__body{padding:20px 18px 22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink:#241341;
  --brand:#3B2B57;
  --brand-light:#6A5794;
  --jade:#1F8A70;
  --jade-soft:#E4F1EC;
  --accent:#E8643C;
  --accent-dark:#D9562F;
  --paper:#FBF9F5;
  --white:#FFFFFF;
  --alt:#F4F0E9;
  --text:#1F1B27;
  --text-2:#6B6473;
  --text-3:#9A94A3;
  --line:rgba(36,19,65,.10);
  --line-soft:rgba(36,19,65,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(36,19,65,.06);
  --sh-2:0 10px 28px rgba(36,19,65,.12);
  --gap:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
table{border-collapse:collapse;width:100%}
button,input{font:inherit;color:inherit}
a{
  color:var(--brand);
  text-decoration:none;
  text-underline-offset:3px;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container--narrow{max-width:1080px}
.section{padding:var(--sec) 0}
.section--alt{background:var(--alt)}
.section--tight{padding:56px 0}
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.25;font-weight:700}
h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  padding-left:12px;
  border-left:4px solid var(--jade);
}
h3{font-size:19px;line-height:1.5;font-weight:600}
.lead{font-size:15px;line-height:1.8;color:var(--text-2)}
.hairline{height:1px;background:var(--line);border:0;margin:0}
.double-line{height:4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent}

/* ====== header ====== */
.site-header{position:sticky;top:0;z-index:80;background:var(--white);border-bottom:1px solid var(--line-soft);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:0 1px 0 var(--line),0 6px 20px rgba(36,19,65,.08)}
.site-header.is-stuck .topbar{padding:6px 0}
.site-header.is-stuck .channel{padding:2px 0 6px}
.site-header.is-stuck .channel__tags{display:none}
.topbar{padding:12px 0 10px;transition:padding .2s ease}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand__mark{
  width:24px;height:24px;flex:0 0 24px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;
}
.brand__mark i{display:block;background:var(--brand);border-radius:1px}
.brand__mark i:nth-child(5){background:var(--accent)}
.brand__name{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}
.topbar__tools{display:flex;align-items:center;gap:16px}
.search{display:flex;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:3px 3px 3px 12px;transition:border-color .18s ease,box-shadow .18s ease}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,100,60,.20)}
.search input[type="search"]{
  width:190px;height:34px;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);
}
.search input::placeholder{color:var(--text-3)}
.search button{
  height:34px;padding:0 16px;border:0;border-radius:8px;background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.search button:hover{background:var(--ink)}
.topbar__consult{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.topbar__consult:hover{color:var(--accent)}
.channel{padding:0 0 10px;transition:padding .2s ease}
.channel__inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.channel__list{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.channel__list a{
  position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--text-2);
}
.channel__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease;
}
.channel__list a:hover{color:var(--brand)}
.channel__list a:hover::after{transform:scaleX(1)}
.channel__list a.is-active{color:var(--brand);font-weight:600}
.channel__list a.is-active::after{transform:scaleX(1)}
.channel__tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.channel__tags a{
  font-size:13px;color:var(--text-2);background:var(--jade-soft);border-radius:999px;padding:4px 12px;
}
.channel__tags a:hover{color:var(--jade);background:#d6ebe2}

/* ====== breadcrumbs ====== */
.crumbs{
  display:flex;align-items:center;gap:5px;font-size:13px;color:var(--text-3);
  max-width:100%;overflow:hidden;white-space:nowrap;
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs__sep{color:var(--text-3);padding:0 2px}
.crumbs__now{color:var(--text-3);max-width:46%;overflow:hidden;text-overflow:ellipsis}

/* ====== article head ====== */
.article-head{position:relative;background:var(--alt);border-bottom:1px solid var(--line);overflow:hidden}
.article-head__dots{
  position:absolute;top:-10px;right:-10px;width:220px;height:160px;
  background-image:radial-gradient(rgba(36,19,65,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.65;pointer-events:none;
}
.article-head__inner{position:relative;padding:22px 0 34px}
.article-head h1{margin:16px 0 14px;color:var(--ink);max-width:900px}
.article-head__meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-2)}
.stamp{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;font-size:13px;font-weight:600;
  color:var(--jade);border:1px solid rgba(31,138,112,.42);border-radius:4px;background:rgba(228,241,236,.6);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}

/* ====== layout ====== */
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:var(--gap);align-items:start;padding:44px 0 0}
.article-col{min-width:0}
.article-body{max-width:780px;font-size:17px;line-height:1.95;color:var(--text)}
.article-body > * + *{margin-top:1.15em}
.article-body p{margin:0;font-size:17px;line-height:1.95}
.article-body h2{
  margin:1.9em 0 .75em;font-size:clamp(20px,2.1vw,26px);line-height:1.4;
  padding-left:12px;border-left:4px solid var(--jade);color:var(--ink);
}
.article-body h3{margin:1.5em 0 .6em;font-size:19px;font-weight:700;color:var(--brand);border:0;padding:0}
.article-body ul{list-style:disc;padding-left:1.4em;margin:0}
.article-body ol{list-style:decimal;padding-left:1.4em;margin:0}
.article-body li{margin:.4em 0;line-height:1.85}
.article-body blockquote{
  margin:1.3em 0;padding:16px 20px;background:var(--alt);
  border-left:3px solid var(--accent);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);
}
.article-body blockquote p{font-size:16px;color:var(--text-2)}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;border:1px solid var(--line-soft)}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body table{
  margin:1.4em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{background:var(--alt);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:10px 14px;border:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:rgba(244,240,233,.55)}
.article-body code{background:var(--alt);padding:2px 6px;border-radius:5px;font-size:15px}

/* ====== sidebar ====== */
.sidebar{min-width:0}
.sidebar__inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.card:hover{border-color:rgba(106,87,148,.4);box-shadow:var(--sh-2)}
.panel{padding:20px}
.panel__title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.panel__title i{color:var(--jade);font-size:14px}
.toc ol{counter-reset:toc;display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;padding:7px 10px 7px 12px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;line-height:1.6;
}
.toc a:hover{color:var(--brand);background:var(--paper);border-left-color:var(--accent)}
.mini-list{display:flex;flex-direction:column;gap:12px}
.mini-list li{display:flex;gap:10px;align-items:flex-start}
.mini-list__num{
  flex:0 0 22px;height:22px;border-radius:6px;background:var(--jade-soft);color:var(--jade);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.mini-list__text{font-size:14px;line-height:1.7;color:var(--text-2)}
.mini-list__text a{color:var(--text);font-weight:500}
.mini-list__text a:hover{color:var(--accent)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:13px;color:var(--jade);background:var(--jade-soft);border-radius:999px;padding:5px 13px;
}
.tag-cloud a:hover{background:#d6ebe2;color:#166b56}
.sidebar-cta{
  position:relative;overflow:hidden;border-radius:var(--r-card);padding:20px;
  background:var(--ink);color:#fff;
}
.sidebar-cta__dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:16px 16px;pointer-events:none;
}
.sidebar-cta h3{position:relative;color:#fff;font-size:17px;margin-bottom:8px}
.sidebar-cta p{position:relative;font-size:13px;line-height:1.8;color:rgba(255,255,255,.78);margin-bottom:14px}

/* ====== buttons ====== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:rgba(106,87,148,.12);color:var(--brand);text-decoration:none}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:#fff;color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.66);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ====== row cards ====== */
.related-block{padding:56px 0 0}
.related-block > h2{margin-bottom:20px}
.rowcard{
  display:flex;gap:18px;align-items:flex-start;padding:16px;background:var(--white);
  border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease,background-color .18s ease;
}
.rowcard:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(106,87,148,.4)}
.rowcard__thumb{
  flex:0 0 168px;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--paper);
  border:1px solid var(--line-soft);
}
.rowcard__thumb img{width:100%;height:100%;object-fit:cover}
.rowcard__main{min-width:0}
.rowcard__title{font-size:17px;line-height:1.5;font-weight:600;margin:8px 0 6px}
.rowcard__title a{color:var(--ink)}
.rowcard__title a:hover{color:var(--accent)}
.rowcard__excerpt{
  font-size:14px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rowcard__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:10px}

/* ====== prev / next ====== */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);padding:56px 0 0}
.pager__card{display:block;padding:20px;background:var(--white);border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.pager__card:hover{box-shadow:var(--sh-2);border-color:rgba(106,87,148,.4);transform:translateY(-2px)}
.pager__label{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.pager__title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
.pager__card--next{text-align:right}
.pager__card--next .pager__label{justify-content:flex-end}

/* ====== back cta ====== */
.back-band{
  position:relative;margin:64px 0 0;border-radius:16px;overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.back-band::before{content:"";position:absolute;inset:0;background:rgba(36,19,65,.78)}
.back-band__inner{position:relative;padding:38px 34px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.back-band h2{border:0;padding:0;color:#fff;font-size:22px;margin-bottom:6px}
.back-band p{color:rgba(255,255,255,.8);font-size:14px;max-width:620px}
.back-band__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.back-band__actions a.text{color:rgba(255,255,255,.86);font-size:14px;font-weight:600}
.back-band__actions a.text:hover{color:#fff;text-decoration:underline}
.end-note{padding:28px 0 72px;font-size:13px;color:var(--text-3)}

/* ====== empty state ====== */
.empty-state{text-align:center;padding:56px 20px;background:var(--white);border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.empty-state__icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--jade-soft);color:var(--jade);display:flex;align-items:center;justify-content:center;font-size:22px}
.empty-state h2{border:0;padding:0;font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.callout{background:var(--jade-soft);border:0;border-radius:var(--r-card);color:var(--text);padding:18px 20px}
.callout p{font-size:15px;color:var(--text-2)}
.label{border-radius:999px;background:var(--jade-soft);color:var(--jade);font-weight:600;padding:5px 12px}
.breadcrumbs{border:0;margin:0;padding:0}
.breadcrumbs li{font-size:13px;color:var(--text-3)}
.breadcrumbs li::after{content:"/";color:var(--text-3);margin:0 6px}
.breadcrumbs li:last-child::after{content:""}
.breadcrumbs a{color:var(--text-2)}
.pagination{margin:0}
.pagination li a{
  border-radius:999px;border:1px solid var(--line);color:var(--text-2);font-size:14px;padding:6px 13px;
}
.pagination li a:hover{background:var(--jade-soft);color:var(--jade);border-color:rgba(31,138,112,.4)}
.pagination li.current a{background:var(--brand);border-color:var(--brand);color:#fff}
.accordion{border:0;background:transparent}
.accordion-item{border:1px solid var(--line-soft);border-radius:var(--r-card);background:var(--white);margin-bottom:12px;overflow:hidden}
.accordion-title{border:0;background:var(--white);font-size:16px;font-weight:600;color:var(--ink);padding:16px 52px 16px 20px;position:relative}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--jade);transition:transform .16s ease;
}
.accordion-item.is-active .accordion-title::before{content:"−"}
.accordion-title:hover{background:var(--paper);color:var(--brand)}
.accordion-content{background:var(--paper);border:0;padding:16px 20px;font-size:15px;color:var(--text-2);line-height:1.85}
.button{
  background:var(--accent);border-radius:var(--r-btn);font-weight:600;height:44px;line-height:44px;
  padding:0 22px;font-size:15px;border:0;
}
.button:hover{background:var(--accent-dark)}
.button.hollow{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.button.hollow:hover{background:rgba(106,87,148,.12);color:var(--brand)}
.top-bar{background:transparent}

/* ====== footer ====== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:56px 0 22px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:14px}
.site-footer ul{display:flex;flex-direction:column;gap:9px}
.site-footer a{color:rgba(255,255,255,.78);font-size:14px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer li{font-size:14px;line-height:1.7}
.footer__brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:12px}
.footer__brand .brand__mark i{background:#fff}
.footer__brand .brand__mark i:nth-child(5){background:var(--accent)}
.footer__note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ====== responsive ====== */
@media (max-width:1180px){
  .search input[type="search"]{width:150px}
}
@media (max-width:1024px){
  :root{--sec:64px}
  .layout{grid-template-columns:1fr;padding-top:34px}
  .sidebar__inner{position:static;top:auto}
  .channel__tags{display:none}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{max-width:none}
}
@media (max-width:768px){
  .topbar__inner{flex-wrap:wrap;gap:12px}
  .topbar__tools{width:100%;justify-content:space-between}
  .search{flex:1}
  .search input[type="search"]{width:100%}
  .channel__inner{display:block}
  .channel__list{
    gap:20px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .channel__list::-webkit-scrollbar{display:none}
  .channel__list li{flex:0 0 auto}
  .pager{grid-template-columns:1fr}
  .pager__card--next{text-align:left}
  .pager__card--next .pager__label{justify-content:flex-start}
  .rowcard{flex-direction:column}
  .rowcard__thumb{flex:none;width:100%}
  .back-band__inner{padding:28px 22px}
  .article-body{font-size:16px}
  .article-body p{font-size:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand__name{font-size:17px}
  .search button{padding:0 12px}
  .article-head__inner{padding:18px 0 26px}
  .crumbs__now{max-width:38%}
  .footer__grid{grid-template-columns:1fr}
  .btn{height:48px;width:100%}
  .back-band__actions{width:100%}
  .back-band__actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category2 */
/* ============ 1. 设计变量层 ============ */
:root{
  --ink:#241341;
  --primary:#3B2B57;
  --primary-hover:#2E2144;
  --primary-soft:#6A5794;
  --jade:#1F8A70;
  --jade-soft:#E4F1EC;
  --accent:#E8643C;
  --accent-hover:#D2542F;
  --bg:#FBF9F5;
  --bg-alt:#F4F0E9;
  --white:#FFFFFF;
  --text:#1F1B27;
  --text-2:#6B6473;
  --text-3:#9A94A3;
  --line:rgba(36,19,65,.10);
  --line-soft:rgba(36,19,65,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(36,19,65,.06);
  --sh-2:0 10px 28px rgba(36,19,65,.12);
  --grid-dot:rgba(36,19,65,.10);
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
table{border-collapse:collapse;width:100%;}
a{
  color:var(--primary);
  text-decoration:none;
  text-underline-offset:3px;
  transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;
}
a:hover{color:var(--primary-hover);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}

/* ============ 3. 排版层 ============ */
h1,h2,h3,h4{font-weight:700;color:var(--ink);margin:0 0 16px;letter-spacing:0;}
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;position:relative;padding-left:16px;}
h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--jade);border-radius:2px;
}
h3{font-size:19px;line-height:1.5;margin-bottom:10px;}
h4{font-size:16px;line-height:1.5;margin-bottom:10px;}
p{margin:0 0 1.15em;color:var(--text);}
p:last-child{margin-bottom:0;}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);}
.summary{font-size:15px;line-height:1.8;color:var(--text-2);}
.meta{font-size:13px;line-height:1.7;color:var(--text-3);}
strong{color:var(--ink);font-weight:700;}

/* ============ 4. 布局层 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section--alt{background:var(--bg-alt);}
.section--tight{padding-top:64px;padding-bottom:64px;}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section__head p{margin:6px 0 0;color:var(--text-2);font-size:15.5px;line-height:1.8;max-width:640px;}
.rule-double{border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);height:3px;margin:0;}
.stack-24 > * + *{margin-top:24px;}

/* ============ 5. 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,249,245,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease, background-color .2s ease;
}
.site-header.is-scrolled{
  box-shadow:0 6px 20px rgba(36,19,65,.08);
  border-bottom-color:rgba(36,19,65,.12);
}
.topbar{background:var(--white);border-bottom:1px solid var(--line-soft);}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:64px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);flex-shrink:0;}
.brand__mark{
  width:24px;height:24px;display:grid;grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);gap:2px;flex-shrink:0;
}
.brand__mark i{background:var(--primary);border-radius:1.5px;display:block;transition:background-color .18s ease;}
.brand:hover .brand__mark i{background:var(--accent);}
.brand__name{font-size:20px;font-weight:700;color:var(--ink);white-space:nowrap;}
.topbar__tools{display:flex;align-items:center;gap:18px;}
.search{display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-btn);overflow:hidden;}
.search input{
  border:0;background:transparent;height:40px;padding:0 14px;width:210px;color:var(--text);outline:none;
}
.search input::placeholder{color:var(--text-3);}
.search button{
  border:0;background:var(--primary);color:#fff;height:40px;padding:0 16px;font-size:14px;
  transition:background-color .18s ease;
}
.search button:hover{background:var(--primary-hover);}
.topbar__consult{
  font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap;
  border-bottom:1px solid rgba(232,100,60,.4);padding-bottom:2px;
}
.topbar__consult:hover{color:var(--accent-hover);border-bottom-color:var(--accent-hover);}
.channel{background:transparent;}
.channel__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.channel__list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel__list::-webkit-scrollbar{display:none;}
.channel__list a{
  display:inline-block;position:relative;padding:15px 0;font-size:15.5px;color:var(--text);
  white-space:nowrap;font-weight:500;
}
.channel__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--accent);
  opacity:0;transform:scaleX(.4);transition:opacity .16s ease, transform .16s ease;
}
.channel__list a:hover::after{opacity:1;transform:scaleX(1);}
.channel__list a.is-active{color:var(--primary);font-weight:700;}
.channel__list a.is-active::after{opacity:1;transform:scaleX(1);}
.channel__tags{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.channel__tags a{
  font-size:13px;color:var(--text-2);background:var(--white);border:1px solid var(--line);
  border-radius:999px;padding:5px 13px;transition:all .18s ease;
}
.channel__tags a:hover{color:var(--jade);border-color:rgba(31,138,112,.45);background:var(--jade-soft);}
.is-scrolled .topbar__inner{min-height:56px;padding-top:0;padding-bottom:0;}
.is-scrolled .channel__list a{padding:12px 0;}

/* ============ 6. 内页主视觉 ============ */
.page-hero{position:relative;background:var(--ink);overflow:hidden;}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(36,19,65,.88),rgba(36,19,65,.72)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero__grid{
  position:absolute;right:0;top:0;bottom:0;width:46%;opacity:.28;
  background-image:radial-gradient(rgba(255,255,255,.55) 1.4px, transparent 1.4px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 55%);
  mask-image:linear-gradient(90deg,transparent,#000 55%);
}
.page-hero__inner{position:relative;padding:64px 0 72px;max-width:760px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{color:rgba(255,255,255,.42);}
.crumbs span.current{color:rgba(255,255,255,.95);}
.page-hero h1{color:#fff;margin-bottom:18px;}
.page-hero .lead{color:rgba(255,255,255,.84);max-width:660px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--jade-soft);color:var(--jade);
  border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;
}
.badge--ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);}
.badge--seal{
  background:transparent;border:1px solid var(--jade);border-radius:4px;
  color:var(--jade);padding:5px 11px;font-size:13px;
}

/* ============ 7. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .18s ease;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn--outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn--outline:hover{background:rgba(106,87,148,.12);color:var(--primary-hover);}
.btn--jade{background:var(--jade);color:#fff;}
.btn--jade:hover{background:#17735D;color:#fff;transform:translateY(-1px);}
.button{ /* Foundation 默认按钮覆盖 */
  background:var(--accent)!important;color:#fff!important;border-radius:var(--r-btn)!important;
  font-family:var(--font);font-weight:600;height:44px;line-height:44px;padding:0 22px;
}
.button:hover{background:var(--accent-hover)!important;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);
}
.link-more .arw{transition:transform .18s ease;display:inline-block;}
.link-more:hover .arw{transform:translateX(4px);}

/* ============ 8. 数据条 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.stat:hover{border-color:rgba(106,87,148,.4);box-shadow:var(--sh-2);transform:translateY(-2px);}
.stat__num{font-size:30px;font-weight:700;color:var(--primary);line-height:1.2;margin-bottom:8px;}
.stat__num small{font-size:15px;font-weight:600;color:var(--jade);margin-left:4px;}
.stat__label{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.stat__desc{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ============ 9. 时间轴 ============ */
.timeline{position:relative;margin:0;}
.timeline::before{
  content:"";position:absolute;left:21px;top:14px;bottom:14px;width:2px;
  background-image:linear-gradient(180deg,var(--line) 0 8px,transparent 8px 16px);
  background-size:2px 16px;
}
.tl-item{position:relative;padding-left:72px;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item__dot{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  background:var(--white);border:2px solid var(--accent);color:var(--accent);
  display:grid;place-items:center;font-weight:700;font-size:14px;box-shadow:var(--sh-1);
}
.tl-item__card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.tl-item__card:hover{border-color:rgba(106,87,148,.4);box-shadow:var(--sh-2);transform:translateX(2px);}
.tl-item__tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--jade);
  background:var(--jade-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.tl-item__card h3{margin-bottom:8px;}
.tl-item__card p{margin:0;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ 10. 任务卡 ============ */
.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.task-card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:all .18s ease;
}
.task-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(106,87,148,.4);}
.task-card__no{
  width:36px;height:36px;border-radius:10px;background:var(--jade-soft);color:var(--jade);
  display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:16px;
}
.task-card h3{font-size:18px;}
.task-card p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:18px;}
.task-card__bar{height:6px;border-radius:999px;background:var(--bg-alt);overflow:hidden;margin-bottom:10px;}
.task-card__bar i{display:block;height:100%;border-radius:999px;background:var(--jade);}
.task-card__foot{font-size:13px;color:var(--text-3);margin-top:auto;}

/* ============ 11. 图文速览 ============ */
.split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:center;}
.split__figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line-soft);background:var(--bg);
}
.split__caption{font-size:13px;color:var(--text-3);margin-top:12px;}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:16px;font-size:15.5px;line-height:1.85;color:var(--text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:2px;
  background:var(--jade);opacity:.85;
}
.check-list li strong{display:block;color:var(--ink);font-size:16px;margin-bottom:2px;}

/* ============ 12. 提示卡 / callout ============ */
.callout{
  background:var(--jade-soft);border:1px solid rgba(31,138,112,.18);border-radius:var(--r-card);
  padding:22px 24px;color:var(--text);box-shadow:none;margin:0;
}
.callout__title{font-weight:700;color:var(--jade);font-size:15.5px;margin-bottom:8px;}
.callout p{font-size:15px;line-height:1.85;color:var(--text-2);margin:0;}

/* ============ 13. FAQ 手风琴 ============ */
.accordion{border:0;background:transparent;}
.accordion-item{border:1px solid var(--line-soft);border-radius:var(--r-card);background:var(--white);margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden;}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);padding:20px 22px;background:transparent;border:0;
}
.accordion-title:hover{background:var(--bg);color:var(--primary);}
.accordion-title::before{
  content:"+";order:2;font-size:20px;line-height:1;color:var(--accent);font-weight:700;
  transition:transform .16s ease;margin:0;position:static;width:auto;height:auto;background:none;
}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-title:hover::after,.accordion-title:focus::after{border:0;}
.accordion-title::after{display:none!important;}
.accordion-content{background:var(--bg);border-top:1px solid var(--line-soft);padding:20px 22px;color:var(--text-2);font-size:15px;line-height:1.9;}
.accordion-content p{margin:0;color:var(--text-2);}

/* ============ 14. 通栏 CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:72px 0;
}
.cta-band__grid{
  position:absolute;inset:0;opacity:.16;
  background-image:radial-gradient(rgba(255,255,255,.7) 1.4px, transparent 1.4px);
  background-size:20px 20px;
}
.cta-band__inner{position:relative;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:40px;align-items:center;}
.cta-band h2{color:#fff;}
.cta-band h2::before{background:var(--accent);}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin:0;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;outline:none;
  transition:all .18s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.55);}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,100,60,.35);background:rgba(255,255,255,.14);}
.cta-form .btn{height:48px;white-space:nowrap;}
.form-tip{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px;}
.form-tip.is-ok{color:#7FD8BE;}
.form-tip.is-err{color:#FFB49B;}

/* ============ 15. 页脚 ============ */
.site-footer{background:#1B0F31;color:rgba(255,255,255,.72);padding:64px 0 26px;font-size:14.5px;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer__brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px;}
.footer__brand .brand__mark i{background:rgba(255,255,255,.85);}
.footer__note{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:330px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;line-height:1.7;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:#fff;}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 16. 响应式 ============ */
@media (min-width:1440px){
  .container{padding-left:40px;padding-right:40px;}
}
@media (max-width:1024px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .task-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-band__inner{grid-template-columns:1fr;gap:26px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero__inner{padding:52px 0 60px;}
}
@media (max-width:768px){
  .topbar__inner{flex-direction:row;gap:14px;}
  .search input{width:150px;}
  .channel__tags{display:none;}
  .channel__inner{flex-direction:column;align-items:stretch;gap:0;}
  .channel__list{gap:22px;}
  .task-grid{grid-template-columns:1fr;}
  .tl-item{padding-left:58px;}
  .tl-item__dot{width:38px;height:38px;font-size:13px;}
  .timeline::before{left:18px;}
}
@media (max-width:640px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:40px 0;}
  .section--tight{padding-top:36px;padding-bottom:36px;}
  .brand__name{font-size:17px;}
  .topbar__inner{min-height:auto;padding:12px 0;}
  .search{display:none;}
  .topbar__tools{gap:10px;}
  .channel__list a{padding:12px 0;font-size:15px;}
  .stat-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .page-hero__inner{padding:36px 0 44px;}
  .page-hero__grid{width:70%;opacity:.2;}
  .tl-item{padding-left:50px;}
  .tl-item__card{padding:20px 18px;}
  .accordion-title{padding:16px;font-size:15.5px;}
  .accordion-content{padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --ink:#241341;
  --primary:#3B2B57;
  --primary-light:#6A5794;
  --jade:#1F8A70;
  --jade-soft:#E4F1EC;
  --accent:#E8643C;
  --paper:#FBF9F5;
  --white:#FFFFFF;
  --band:#F4F0E9;
  --text:#1F1B27;
  --muted:#6B6473;
  --faint:#9A94A3;
  --line:rgba(36,19,65,.10);
  --line-strong:rgba(36,19,65,.16);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(36,19,65,.06);
  --shadow-2:0 10px 28px rgba(36,19,65,.12);
  --pad-section:96px;
  --gap:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a{
  color:var(--primary);
  text-decoration:none;
  text-underline-offset:3px;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
a:hover{color:var(--jade);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(232,100,60,.16);
  border-radius:4px;
}
button{font-family:inherit;cursor:pointer;}

/* 容器 */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container{padding:0 48px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{
  box-shadow:0 6px 20px rgba(36,19,65,.08);
}
.topbar{
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:64px;
  transition:min-height .2s ease;
}
.site-header.is-stuck .topbar__inner{min-height:56px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:700;
  font-size:19px;
  white-space:nowrap;
}
.brand:hover{color:var(--primary);}
.brand__mark{
  width:24px;
  height:24px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px;
  flex:none;
}
.brand__mark i{background:var(--primary);border-radius:1px;}
.brand__mark i:nth-child(5){background:var(--accent);}
.brand__name{letter-spacing:0;}
.topbar__tools{
  display:flex;
  align-items:center;
  gap:16px;
}
.search{
  display:flex;
  align-items:center;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(232,100,60,.14);
}
.search input{
  width:200px;
  height:40px;
  border:0;
  background:transparent;
  padding:0 14px;
  font-size:14px;
  color:var(--text);
  font-family:inherit;
}
.search input::placeholder{color:var(--faint);}
.search input:focus{outline:none;box-shadow:none;}
.search button{
  height:40px;
  padding:0 18px;
  border:0;
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .18s ease;
}
.search button:hover{background:var(--ink);}
.topbar__consult{
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  white-space:nowrap;
}
.topbar__consult:hover{color:var(--ink);}

.channel{
  background:var(--white);
}
.channel__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:50px;
}
.channel__list{
  display:flex;
  align-items:center;
  gap:28px;
}
.channel__list a{
  position:relative;
  display:inline-block;
  padding:14px 0;
  font-size:15px;
  color:var(--muted);
  font-weight:500;
  white-space:nowrap;
}
.channel__list a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .16s ease;
}
.channel__list a:hover{color:var(--primary);}
.channel__list a:hover::after{transform:scaleX(1);}
.channel__list a.is-active{color:var(--primary);font-weight:700;}
.channel__list a.is-active::after{transform:scaleX(1);}
.channel__tags{
  display:flex;
  align-items:center;
  gap:10px;
}
.channel__tags a{
  font-size:13px;
  color:var(--jade);
  background:var(--jade-soft);
  border-radius:999px;
  padding:5px 12px;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.channel__tags a:hover{background:var(--jade);color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .16s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{
  background:var(--accent);
  color:#fff;
}
.btn--primary:hover{
  background:#d4552f;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn--ghost{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary-light);
}
.btn--ghost:hover{
  background:rgba(106,87,148,.10);
  color:var(--ink);
  border-color:var(--primary);
}
.btn--link{
  height:auto;
  padding:0;
  background:none;
  color:var(--primary);
  font-weight:600;
}
.btn--link .arw{display:inline-block;transition:transform .18s ease;}
.btn--link:hover{color:var(--jade);}
.btn--link:hover .arw{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  background:var(--jade-soft);
  color:var(--jade);
  font-size:13px;
  font-weight:600;
  line-height:1.5;
}
.badge--stamp{
  background:transparent;
  border:1px solid var(--jade);
  color:var(--jade);
  border-radius:4px;
  letter-spacing:0;
}
.badge--ghost{
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--muted);
}
.meta{
  font-size:13px;
  color:var(--faint);
  line-height:1.7;
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero__mask{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 82% 18%, rgba(232,100,60,.22), transparent 46%),
    linear-gradient(120deg, rgba(36,19,65,.94) 0%, rgba(36,19,65,.78) 58%, rgba(59,43,87,.70) 100%);
}
.page-hero__dots{
  position:absolute;
  right:4%;
  top:12%;
  width:180px;
  height:180px;
  background-image:radial-gradient(rgba(255,255,255,.30) 1.6px, transparent 1.6px);
  background-size:20px 20px;
  opacity:.5;
}
.page-hero__inner{
  position:relative;
  z-index:2;
  padding:64px 0 68px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(255,255,255,.80);}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.25;
  font-weight:700;
  color:#fff;
  max-width:820px;
}
.page-hero__lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:660px;
}
.page-hero__chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.page-hero__chips .badge{
  background:rgba(228,241,236,.16);
  color:#E4F1EC;
  border:1px solid rgba(228,241,236,.30);
}
.hero-split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}
.hero-glance{
  background:rgba(255,255,255,.96);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-2);
  color:var(--text);
}
.hero-glance h2{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
  padding-left:12px;
  border-left:4px solid var(--jade);
  line-height:1.4;
}
.hero-glance__img{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  margin-bottom:14px;
}
.hero-glance__img img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-glance ul li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--muted);
}
.hero-glance ul li:last-child{border-bottom:0;}
.hero-glance ul li strong{color:var(--primary);font-weight:600;}

/* ============ 板块通用 ============ */
.section{padding:var(--pad-section) 0;}
.section--band{background:var(--band);}
.section--white{background:var(--white);}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section__head h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  border-left:4px solid var(--jade);
  padding-left:12px;
}
.section__head p{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}

/* ============ 要点卡 ============ */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
}
.point-card{
  background:var(--white);
  border:1px solid rgba(36,19,65,.08);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;
  gap:18px;
}
.point-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:var(--primary-light);
}
.point-card__icon{
  flex:none;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--jade-soft);
  color:var(--jade);
  display:flex;
  align-items:center;
  justify-content:center;
}
.point-card__icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.point-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--primary);
  line-height:1.5;
  margin-bottom:8px;
}
.point-card p{
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ 流程 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.flow__item{
  position:relative;
  background:var(--white);
  border:1px solid rgba(36,19,65,.08);
  border-radius:var(--radius-card);
  padding:28px 24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.flow__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.flow__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:50%;
  border:2px solid var(--accent);
  color:var(--accent);
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
}
.flow__item h3{
  font-size:18px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:10px;
}
.flow__item p{font-size:15px;color:var(--muted);line-height:1.85;}
.flow__media{
  margin-top:18px;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
}
.flow__media img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ============ 礼包类型表 ============ */
.type-table{
  width:100%;
  border-collapse:collapse;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  font-size:15px;
}
.type-table caption{
  text-align:left;
  font-size:13px;
  color:var(--faint);
  padding:0 0 12px;
}
.type-table th,.type-table td{
  padding:15px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.type-table thead th{
  background:var(--band);
  color:var(--ink);
  font-weight:600;
  font-size:14px;
  white-space:nowrap;
}
.type-table tbody tr:nth-child(even){background:rgba(244,240,233,.55);}
.type-table tbody tr:last-child td{border-bottom:0;}
.type-table td strong{color:var(--primary);font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.accordion{
  background:transparent;
  border:0;
  margin:0;
}
.accordion .accordion-item{
  background:var(--white);
  border:1px solid rgba(36,19,65,.08);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.accordion .accordion-item:hover{border-color:var(--primary-light);}
.accordion .accordion-item.is-active{box-shadow:var(--shadow-2);}
.accordion .accordion-title{
  position:relative;
  padding:18px 60px 18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:var(--white);
  border:0;
  line-height:1.6;
}
.accordion .accordion-title:hover,
.accordion .accordion-title:focus{background:var(--paper);color:var(--primary);}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  width:auto;height:auto;
  background-image:none;
  background:none;
  color:var(--jade);
  font-size:22px;
  font-weight:600;
  line-height:1;
  margin:0;
  transition:transform .16s ease,color .16s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"−";
  color:var(--accent);
}
.accordion .accordion-content{
  padding:4px 22px 22px;
  background:var(--paper);
  border:0;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.accordion .accordion-content p{margin:14px 0 0;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:72px 0;
}
.cta-band__dots{
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1.4px, transparent 1.4px);
  background-size:22px 22px;
  opacity:.7;
}
.cta-band__inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.35;
  border-left:4px solid var(--accent);
  padding-left:12px;
}
.cta-band p{
  margin-top:14px;
  font-size:15px;
  color:rgba(255,255,255,.78);
  line-height:1.85;
}
.subscribe{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.subscribe input{
  flex:1 1 220px;
  height:44px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.96);
  padding:0 16px;
  font-size:15px;
  color:var(--text);
  font-family:inherit;
}
.subscribe input::placeholder{color:var(--faint);}
.subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(232,100,60,.22);}
.form-tip{
  width:100%;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-top:2px;
}
.form-tip.is-error{color:#FFB39A;}
.form-tip.is-ok{color:#9BE3C8;}

/* ============ 相关入口 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--gap);
}
.entry-card{
  display:block;
  background:var(--white);
  border:1px solid rgba(36,19,65,.08);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:var(--primary-light);
}
.entry-card h3{
  font-size:17px;
  font-weight:600;
  color:var(--primary);
  margin:12px 0 8px;
  line-height:1.5;
}
.entry-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 页脚 ============ */
.site-footer{
  background:#1B0F31;
  color:rgba(255,255,255,.72);
  padding:64px 0 24px;
  font-size:14px;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer__brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:18px;
}
.footer__brand .brand__mark i{background:rgba(255,255,255,.85);}
.footer__brand .brand__mark i:nth-child(5){background:var(--accent);}
.footer__note{
  margin-top:14px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.site-footer ul li{
  margin-bottom:10px;
  line-height:1.7;
}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:#fff;}
.footer__bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.50);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--pad-section:64px;}
  .hero-split{grid-template-columns:1fr;gap:28px;}
  .hero-glance{order:2;}
  .point-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band__inner{grid-template-columns:1fr;gap:24px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
  .channel__tags{display:none;}
  .channel__inner{gap:12px;}
}
@media (max-width:768px){
  .topbar__inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px;}
  .search input{width:140px;}
  .channel__list{
    overflow-x:auto;
    white-space:nowrap;
    gap:20px;
    width:100%;
    -ms-overflow-style:none;
    scrollbar-width:none;
  }
  .channel__list::-webkit-scrollbar{display:none;}
  .page-hero__inner{padding:44px 0 48px;}
  .section__head{margin-bottom:28px;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__note{max-width:none;}
}
@media (max-width:640px){
  :root{--pad-section:40px;}
  .container{padding:0 16px;}
  .brand{font-size:17px;}
  .search input{width:110px;}
  .search button{padding:0 12px;}
  .topbar__consult{display:none;}
  .entry-grid{grid-template-columns:1fr;}
  .type-table{display:block;overflow-x:auto;white-space:nowrap;}
  .point-card{flex-direction:column;gap:14px;padding:22px 18px;}
  .btn{height:48px;}
  .subscribe input{flex:1 1 100%;}
  .subscribe .btn{width:100%;}
  .cta-band{padding:48px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
/* ============ 变量层 ============ */
:root{
  --ink-900:#241341;
  --ink-700:#3B2B57;
  --ink-500:#6A5794;
  --jade:#1F8A70;
  --jade-soft:#E4F1EC;
  --clay:#E8643C;
  --clay-dark:#CF5029;
  --paper:#FBF9F5;
  --card:#FFFFFF;
  --band:#F4F0E9;
  --text:#1F1B27;
  --text-2:#6B6473;
  --text-3:#9A94A3;
  --line:rgba(36,19,65,.10);
  --line-strong:rgba(36,19,65,.16);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(36,19,65,.06);
  --shadow-2:0 10px 28px rgba(36,19,65,.12);
  --space-section:96px;
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --t-fast:160ms ease;
  --t-base:180ms ease;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;width:100%;}
a{color:var(--ink-700);text-decoration:none;text-underline-offset:3px;transition:color var(--t-fast);}
a:hover{color:var(--clay);text-decoration:underline;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;box-shadow:0 0 0 4px rgba(232,100,60,.22);border-radius:6px;}

/* 排版层 */
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.25;font-weight:700;color:var(--ink-900);}
h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;color:var(--ink-900);
  padding-left:12px;border-left:4px solid var(--jade);
}
h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink-900);}
h4{font-size:16px;line-height:1.6;font-weight:600;color:var(--ink-900);}
p{font-size:16.5px;line-height:1.9;color:var(--text);margin-bottom:1.15em;}
p:last-child{margin-bottom:0;}
.lead{font-size:17px;color:var(--text-2);}
.meta{font-size:13px;color:var(--text-3);line-height:1.7;}
.summary{font-size:15px;line-height:1.8;color:var(--text-2);}

/* 布局层 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section--band{background:var(--band);}
.section--paper{background:var(--paper);}
.section--white{background:#FFFFFF;}
.section__head{margin-bottom:36px;}
.section__head h2{margin-bottom:12px;}
.section__head .lead{max-width:760px;}
.hairline{border:0;border-top:1px solid var(--line);margin:0;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,249,245,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t-base),background var(--t-base);
}
.site-header.is-scrolled{
  background:rgba(251,249,245,.99);
  box-shadow:0 1px 0 var(--line),0 6px 20px rgba(36,19,65,.08);
}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:68px;transition:min-height var(--t-base);
}
.site-header.is-scrolled .topbar__inner{min-height:52px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);text-decoration:none;}
.brand:hover{color:var(--ink-900);text-decoration:none;}
.brand__mark{
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;width:24px;height:24px;flex:0 0 24px;
}
.brand__mark i{background:var(--jade);border-radius:1.5px;display:block;}
.brand__mark i:nth-child(5){background:var(--clay);}
.brand__name{font-size:19px;font-weight:700;line-height:1;color:var(--ink-900);}
.topbar__tools{display:flex;align-items:center;gap:14px;}
.search{display:flex;align-items:center;gap:8px;background:#FFFFFF;border:1px solid var(--line-strong);border-radius:999px;padding:3px 3px 3px 16px;}
.search input[type="search"]{
  border:0;background:transparent;height:34px;width:200px;font-size:14px;color:var(--text);outline:none;
}
.search input[type="search"]::placeholder{color:var(--text-3);}
.search button{
  height:34px;padding:0 16px;border:0;border-radius:999px;background:var(--ink-700);color:#fff;
  font-size:14px;cursor:pointer;transition:background var(--t-fast);
}
.search button:hover{background:var(--ink-500);}
.topbar__consult{
  font-size:14px;color:var(--ink-700);border-bottom:1px solid transparent;padding-bottom:2px;
}
.topbar__consult:hover{color:var(--clay);border-bottom-color:var(--clay);text-decoration:none;}
.channel{border-top:1px solid var(--line);background:transparent;}
.channel__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:50px;transition:min-height var(--t-base);
}
.site-header.is-scrolled .channel__inner{min-height:44px;}
.channel__list{display:flex;align-items:center;gap:26px;flex-wrap:nowrap;}
.channel__list a{
  position:relative;display:inline-block;padding:6px 0;font-size:15.5px;color:var(--text-2);white-space:nowrap;
  text-decoration:none;
}
.channel__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t-base);
}
.channel__list a:hover{color:var(--ink-700);text-decoration:none;}
.channel__list a:hover::after{transform:scaleX(1);}
.channel__list a.is-active{color:var(--ink-900);font-weight:600;}
.channel__list a.is-active::after{transform:scaleX(1);}
.channel__tags{display:flex;align-items:center;gap:10px;}
.channel__tags a{
  font-size:13px;color:var(--text-2);background:#FFFFFF;border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;text-decoration:none;transition:all var(--t-base);
}
.channel__tags a:hover{border-color:var(--ink-500);color:var(--ink-700);text-decoration:none;}

/* ============ 面包屑 ============ */
.crumbs{padding:22px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;max-width:100%;}
.crumbs li+li::before{content:"/";color:var(--line-strong);}
.crumbs a{color:var(--text-2);text-decoration:none;}
.crumbs a:hover{color:var(--clay);}
.crumbs .current{color:var(--ink-700);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:24ch;}

/* ============ Hero ============ */
.page-hero{padding:40px 0 0;position:relative;overflow:hidden;}
.page-hero__row{align-items:center;}
.page-hero__text{padding-bottom:8px;}
.page-hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--jade);
  background:var(--jade-soft);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.page-hero h1{margin-bottom:16px;max-width:22ch;}
.page-hero__lead{max-width:44ch;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform var(--t-base),box-shadow var(--t-base),background var(--t-base),color var(--t-base),border-color var(--t-base);
}
.btn--primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--clay-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--ghost{background:transparent;color:var(--ink-700);border-color:var(--ink-700);}
.btn--ghost:hover{background:rgba(106,87,148,.12);color:var(--ink-900);text-decoration:none;transform:translateY(-1px);}
.btn--line{background:transparent;color:var(--ink-700);border-color:var(--line-strong);}
.btn--line:hover{background:#FFFFFF;border-color:var(--ink-500);text-decoration:none;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--jade);
  background:var(--jade-soft);border-radius:999px;padding:6px 14px;
}
.fact b{color:var(--ink-900);font-weight:700;}
.page-hero__media{position:relative;}
.page-hero__media .frame{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);aspect-ratio:16/10;background:var(--paper);
}
.page-hero__media img{width:100%;height:100%;object-fit:cover;border-radius:16px;}
.page-hero__media .frame::after{
  content:"";position:absolute;inset:0;background:rgba(36,19,65,.35);
}
.page-hero__caption{margin-top:12px;font-size:13px;color:var(--text-3);}
.grid-dots{
  position:absolute;right:-14px;top:-18px;width:120px;height:96px;
  background-image:radial-gradient(rgba(31,138,112,.35) 1.4px,transparent 1.4px);
  background-size:16px 16px;pointer-events:none;z-index:0;
}

/* ============ 锚点布局 ============ */
.anchor-layout{padding:56px 0 0;}
.anchor-nav{position:sticky;top:112px;align-self:flex-start;}
.anchor-nav__card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:20px 18px;
}
.anchor-nav__title{font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:14px;padding-left:10px;border-left:3px solid var(--jade);}
.anchor-nav__list li+li{margin-top:4px;}
.anchor-nav__list a{
  position:relative;display:block;padding:8px 10px 8px 14px;font-size:14.5px;color:var(--text-2);
  border-radius:8px;text-decoration:none;transition:background var(--t-base),color var(--t-base);
}
.anchor-nav__list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:18px;background:var(--clay);border-radius:2px;transition:transform var(--t-base);
}
.anchor-nav__list a:hover{background:var(--paper);color:var(--ink-700);text-decoration:none;}
.anchor-nav__list a.is-current{background:var(--jade-soft);color:var(--ink-900);font-weight:600;}
.anchor-nav__list a.is-current::before{transform:translateY(-50%) scaleY(1);}
.anchor-nav__tip{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.75;}

.doc-stack > article.doc-block{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:32px 32px 30px;margin-bottom:24px;
  transition:box-shadow var(--t-base),border-color var(--t-base);
}
.doc-stack > article.doc-block:hover{box-shadow:var(--shadow-2);border-color:var(--ink-500);}
.doc-block--band{background:var(--band) !important;}
.doc-block__index{
  display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;
  font-size:13px;font-weight:700;color:var(--jade);background:var(--jade-soft);margin-bottom:12px;
}
.doc-block h2{margin-bottom:14px;}
.doc-block h3{margin:22px 0 10px;color:var(--ink-700);}
.doc-block p{font-size:16.5px;}
.check-list{margin:16px 0 0;}
.check-list li{
  position:relative;padding:10px 0 10px 30px;font-size:16px;color:var(--text);border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:4px;top:19px;width:8px;height:8px;border-radius:2px;
  background:var(--jade);
}
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px;}
.step{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 18px 16px;box-shadow:var(--shadow-1);transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink-500);}
.step__no{font-size:13px;font-weight:700;color:var(--clay);margin-bottom:8px;display:block;}
.step h4{margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}

/* 表格 */
.table-wrap{margin-top:20px;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
.table-wrap table{min-width:520px;}
.table-wrap{overflow-x:auto;}
.table-wrap thead th{
  background:var(--band);font-size:14px;font-weight:600;color:var(--ink-900);text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-wrap tbody td{
  padding:14px 18px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);vertical-align:top;
}
.table-wrap tbody tr:nth-child(even){background:rgba(244,240,233,.55);}
.table-wrap tbody tr:last-child td{border-bottom:0;}
.table-wrap tbody td:first-child{color:var(--ink-900);font-weight:600;}

/* callout 覆盖 */
.callout{
  background:var(--jade-soft);border:1px solid rgba(31,138,112,.22);border-left:4px solid var(--jade);
  border-radius:var(--radius-card);color:var(--text);padding:18px 20px;margin:20px 0 0;
}
.callout h4{margin-bottom:6px;color:var(--ink-900);}
.callout p{font-size:15px;color:var(--text-2);margin:0;}
.callout--warn{background:#FDF0EB;border-color:rgba(232,100,60,.26);border-left-color:var(--clay);}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.label{
  display:inline-block;font-size:13px;color:var(--jade);background:var(--jade-soft);
  border-radius:999px;padding:5px 13px;line-height:1.6;
}
.label--seal{
  background:transparent;color:var(--ink-700);border:1px solid var(--line-strong);border-radius:6px;
}

/* CTA 带 */
.cta-band{
  position:relative;background:var(--ink-900);color:#fff;border-radius:16px;overflow:hidden;
  padding:44px 40px;margin:48px 0 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1.4px,transparent 1.4px);
  background-size:18px 18px;pointer-events:none;
}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;border-left-color:var(--jade);font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn--ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:#FFFFFF;border-top:1px solid var(--line);margin-top:72px;padding:64px 0 28px;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:14px;}
.footer__note{font-size:14.5px;color:var(--text-2);line-height:1.85;margin:0;max-width:34ch;}
.site-footer h4{font-size:15px;margin-bottom:14px;color:var(--ink-900);}
.site-footer ul li{margin-bottom:9px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.site-footer ul a{color:var(--text-2);text-decoration:none;}
.site-footer ul a:hover{color:var(--clay);text-decoration:underline;}
.footer__bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--space-section:64px;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .anchor-nav{position:static;margin-bottom:20px;}
  .page-hero h1{max-width:none;}
}
@media screen and (max-width:900px){
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:34px 26px;}
}
@media screen and (max-width:640px){
  :root{--space-section:40px;}
  .container{padding:0 18px;}
  .search input[type="search"]{width:120px;}
  .brand__name{font-size:17px;}
  .channel__inner{justify-content:flex-start;}
  .channel__list{
    overflow-x:auto;gap:20px;padding-bottom:2px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .channel__list::-webkit-scrollbar{display:none;}
  .channel__tags{display:none;}
  .page-hero{padding-top:26px;}
  .page-hero__media{order:-1;margin-bottom:24px;}
  .page-hero__media .frame{aspect-ratio:16/9;}
  .grid-dots{display:none;}
  .btn{height:48px;width:100%;}
  .hero-actions{flex-direction:column;}
  .cta-band__actions{width:100%;flex-direction:column;}
  .doc-stack > article.doc-block{padding:24px 20px;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}