/* roulang page: index */
:root{
  --c-primary:#16465F;
  --c-primary-dark:#0E3244;
  --c-primary-light:#E8F1F5;
  --c-accent:#E2762F;
  --c-accent-dark:#C9621F;
  --c-accent-light:#FBE7DA;
  --c-bg:#F5F8FA;
  --c-surface:#FFFFFF;
  --c-line:#E1E9EE;
  --c-title:#14232B;
  --c-text:#43555E;
  --c-muted:#7C8D95;
  --c-soft:#F7FAFC;
  --c-imgbg:#DCE6EC;
  --r-card:14px;
  --r-btn:8px;
  --r-pill:999px;
  --r-img:12px;
  --r-lg:16px;
  --sh-1:0 2px 4px rgba(20,35,43,.04),0 10px 24px rgba(20,35,43,.06);
  --sh-2:0 6px 12px rgba(20,35,43,.06),0 18px 36px rgba(20,35,43,.10);
  --sec:88px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font);
  color:var(--c-title);
  font-weight:700;
  line-height:1.35;
  margin:0;
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
svg{display:block;flex:none;}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark);}
.grid-container.wrap{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:rgba(255,255,255,.8);}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;height:36px;
}
.topbar__left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar__domain{color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.topbar__sep{width:1px;height:12px;background:rgba(255,255,255,.28);flex:none;}
.topbar__tip{
  font-size:12.5px;color:rgba(255,255,255,.72);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar__right{display:flex;align-items:center;gap:20px;flex:none;}
.topbar__link{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12.5px;color:rgba(255,255,255,.76);
  transition:color .2s ease;
}
.topbar__link:hover{color:#fff;text-decoration:underline;}
.topbar__link--main{color:#fff;font-weight:600;}
.topbar__link svg{width:12px;height:12px;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 2px 14px rgba(20,35,43,.08);}
.header__inner{display:flex;align-items:center;gap:28px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;flex:none;
}
.brand__mark svg{width:18px;height:18px;}
.brand__text{
  font-size:19px;font-weight:700;color:var(--c-title);
  letter-spacing:.01em;white-space:nowrap;
}
.brand:hover .brand__text{color:var(--c-primary);}
.mainnav{display:flex;align-items:center;gap:28px;height:100%;margin-left:6px;}
.mainnav__item{
  position:relative;
  display:inline-flex;align-items:center;height:64px;
  font-size:15px;font-weight:500;color:var(--c-text);
  transition:color .2s ease;
}
.mainnav__item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);border-radius:2px 2px 0 0;
  transform:scaleX(0);transform-origin:center;
  transition:transform .22s ease;
}
.mainnav__item:hover{color:var(--c-primary);}
.mainnav__item:hover::after{transform:scaleX(1);}
.mainnav__item.is-active{color:var(--c-primary-dark);font-weight:600;}
.mainnav__item.is-active::after{transform:scaleX(1);}
.mainnav__item:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,70,95,.2);border-radius:6px;}
.header__actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  color:var(--c-primary);border:1px solid var(--c-line);background:#fff;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-light);border-color:var(--c-primary-light);}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,70,95,.2);}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;
  text-align:center;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn svg{width:16px;height:16px;}
.btn--primary{background:var(--c-accent);color:#fff;}
.btn--primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn--outline:hover{background:var(--c-primary-light);color:var(--c-primary);transform:translateY(-1px);}
.btn--outline:active{transform:translateY(0);}
.btn--ghost-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn--ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,70,95,.2);}
.btn--primary:focus-visible{box-shadow:0 0 0 3px rgba(226,118,47,.28);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;
}
.link-more svg{width:15px;height:15px;transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(3px);}
.link-more:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,70,95,.2);border-radius:4px;}

/* ---------- Hero ---------- */
.hero{background:#EFF5F8;padding:48px 0 64px;}
.hero__grid{
  display:grid;grid-template-columns:7fr 5fr;
  gap:48px;align-items:center;min-height:492px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-light);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:18px;
}
.eyebrow svg{width:14px;height:14px;}
.hero h1{
  font-size:42px;line-height:1.25;letter-spacing:-.01em;
  color:var(--c-title);
}
.hero__sub{
  margin-top:16px;font-size:17px;line-height:1.75;
  color:var(--c-text);max-width:560px;
}
.hero__points{margin-top:20px;display:grid;gap:10px;}
.hero__points li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--c-text);}
.hero__points svg{width:18px;height:18px;margin-top:3px;color:var(--c-accent);}
.hero__btns{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap;}
.hero__media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-imgbg);box-shadow:var(--sh-1);
  border:1px solid var(--c-line);
}
.hero__media img{width:100%;height:420px;object-fit:cover;border-radius:var(--r-lg);}
.hero__media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:rgba(14,50,68,.10);pointer-events:none;
}
.hero__card{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(225,233,238,.9);
  border-radius:var(--r-img);
  padding:12px 16px;box-shadow:var(--sh-1);
  max-width:calc(100% - 36px);
}
.hero__card .tag{
  display:inline-flex;font-size:12px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-light);padding:3px 10px;border-radius:var(--r-pill);
  margin-bottom:6px;
}
.hero__card p{font-size:14px;font-weight:600;color:var(--c-title);line-height:1.5;}

/* ---------- 倒计时条 ---------- */
.countdown{background:var(--c-primary-dark);color:#fff;padding:22px 0;}
.countdown__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.countdown__label{font-size:15px;color:rgba(255,255,255,.9);line-height:1.6;}
.countdown__timer{display:flex;align-items:center;gap:8px;flex:none;}
.cd-block{display:flex;flex-direction:column;align-items:center;min-width:64px;}
.cd-num{
  font-size:28px;font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.cd-label{font-size:12px;color:rgba(255,255,255,.62);margin-top:2px;}
.cd-colon{font-size:22px;font-weight:700;color:rgba(255,255,255,.32);transform:translateY(-6px);}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0;}
.section--surface{background:#fff;}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;
}
.section__head--line{padding-bottom:20px;border-bottom:1px solid var(--c-line);}
.section__title{
  position:relative;padding-left:16px;
  font-size:29px;line-height:1.35;
}
.section__title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.section__lead{
  margin-top:10px;margin-left:16px;
  font-size:15px;line-height:1.75;color:var(--c-muted);max-width:660px;
}

/* ---------- 活动卖点（不对称网格） ---------- */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.feat-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.feat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.feat-card--tall{grid-row:span 2;display:flex;flex-direction:column;}
.feat-card--wide{grid-column:1 / -1;display:flex;align-items:center;gap:24px;}
.feat-card__idx{
  font-size:46px;font-weight:700;line-height:1;
  color:#D7E4EB;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.feat-card__icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:grid;place-items:center;flex:none;
}
.feat-card__icon svg{width:22px;height:22px;}
.feat-card__iconwrap{margin:18px 0 16px;}
.feat-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.feat-card p{font-size:15px;line-height:1.75;color:var(--c-text);}
.feat-card--tall .feat-card__foot{
  margin-top:auto;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px;
}
.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);
}
.chip--warm{background:var(--c-accent-light);color:var(--c-accent);}

/* ---------- 亮点图墙 ---------- */
.gallery{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:180px;grid-auto-flow:dense;gap:16px;
}
.gal-item{
  position:relative;overflow:hidden;
  border-radius:var(--r-img);background:var(--c-imgbg);
  border:1px solid var(--c-line);
}
.gal-item--tall{grid-row:span 2;}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gal-item::after{
  content:"";position:absolute;inset:0;
  background:rgba(14,50,68,.10);transition:background .3s ease;
}
.gal-item:hover img{transform:scale(1.04);}
.gal-item:hover::after{background:rgba(14,50,68,.24);}
.gal-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 16px 14px;
  background:linear-gradient(180deg,rgba(14,50,68,0) 0%,rgba(14,50,68,.76) 100%);
  color:#fff;font-size:14px;font-weight:600;line-height:1.5;
  transform:translateY(6px);opacity:.94;
  transition:transform .3s ease,opacity .3s ease;
}
.gal-item:hover .gal-cap{transform:translateY(0);opacity:1;}
.gal-badge{
  position:absolute;top:12px;right:12px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);
}

/* ---------- CTA 通栏 + 表单 ---------- */
.cta-band{background:var(--c-primary-dark);color:#fff;padding:56px 0;}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.cta-copy h2{color:#fff;font-size:29px;line-height:1.35;}
.cta-copy > p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.78);}
.cta-list{margin-top:22px;display:grid;gap:10px;}
.cta-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:rgba(255,255,255,.86);}
.cta-list svg{width:18px;height:18px;margin-top:3px;color:var(--c-accent);}
.form-card{
  background:#fff;border-radius:var(--r-lg);
  padding:28px;color:var(--c-text);
  box-shadow:0 20px 40px rgba(0,0,0,.18);
  border:1px solid rgba(255,255,255,.4);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card__sub{font-size:14px;color:var(--c-muted);margin-bottom:20px;line-height:1.7;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-title);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;
  border:1px solid #D8E3E9;border-radius:8px;
  background:#fff;color:var(--c-title);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:88px;padding:12px 14px;line-height:1.65;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(22,70,95,.14);
}
.field input.is-error,.field textarea.is-error{border-color:#C0392B;}
.field input.is-ok,.field textarea.is-ok{border-color:#2E7D5B;}
.checkline{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.6;color:var(--c-muted);margin:4px 0 18px;}
.checkline input{width:16px;height:16px;flex:none;margin-top:3px;accent-color:var(--c-primary);}
.checkline label{margin:0;font-weight:400;font-size:13px;color:var(--c-muted);}
.checkline a{color:var(--c-primary);font-weight:600;}
.form-note{margin-top:12px;font-size:13px;line-height:1.6;color:#2E7D5B;min-height:20px;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-card__media{
  position:relative;display:block;
  aspect-ratio:16/9;background:var(--c-imgbg);
  overflow:hidden;
}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);
}
.badge--float{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.95);}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-card h3{
  font-size:17px;line-height:1.5;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card h3 a{color:var(--c-title);}
.news-card:hover h3 a{color:var(--c-primary);}
.news-card__excerpt{
  font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-muted);
}
.news-card__foot time{font-variant-numeric:tabular-nums;}
.news-card__foot a{color:var(--c-primary);font-weight:600;white-space:nowrap;}
.news-card__foot a:hover{color:var(--c-primary-dark);}
.empty-state{
  grid-column:1 / -1;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:32px;text-align:center;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state svg{width:48px;height:48px;color:rgba(22,70,95,.4);}
.empty-state p{font-size:15px;color:var(--c-muted);}

/* ---------- FAQ ---------- */
.faq{
  max-width:860px;margin:0 auto;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq__item + .faq__item{border-top:1px solid var(--c-line);}
.faq__q{
  width:100%;display:flex;align-items:center;gap:12px;
  min-height:56px;padding:12px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-title);
  background:transparent;transition:background-color .2s ease,color .2s ease;
}
.faq__q:hover{background:var(--c-soft);}
.faq__q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(22,70,95,.18);}
.faq__plus{width:20px;height:20px;color:var(--c-primary);transition:transform .2s ease;}
.faq__q[aria-expanded="true"]{color:var(--c-primary);}
.faq__q[aria-expanded="true"] .faq__plus{transform:rotate(45deg);}
.faq__a{
  padding:0 20px 20px 52px;
  background:var(--c-soft);
  font-size:15px;line-height:1.8;color:var(--c-text);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--c-primary-dark);
  color:rgba(255,255,255,.6);padding-top:64px;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;right:-40px;top:-40px;
  width:280px;height:280px;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.35;
}
.footer__grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;padding-bottom:48px;
}
.footer__brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .brand__mark{background:rgba(255,255,255,.14);}
.footer__brand .brand__text{color:#fff;font-size:18px;}
.footer__desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);max-width:330px;}
.footer__col h4{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.72);
  letter-spacing:.04em;margin-bottom:18px;
}
.footer__col ul{display:grid;gap:12px;}
.footer__col li a{font-size:14px;color:rgba(255,255,255,.55);transition:color .2s ease;}
.footer__col li a:hover{color:#fff;}
.footer__col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);}
.footer__col p + p{margin-top:10px;}
.footer__bottom{
  position:relative;z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.42);
}
.footer__bottom a{color:rgba(255,255,255,.55);}
.footer__bottom a:hover{color:#fff;}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer__mask{
  position:absolute;inset:0;background:rgba(14,50,68,.45);
  opacity:0;transition:opacity .25s ease;
}
.drawer.is-open .drawer__mask{opacity:1;}
.drawer__panel{
  position:absolute;top:0;right:0;
  width:min(320px,86vw);height:100%;
  background:#fff;display:flex;flex-direction:column;
  padding:18px 20px 24px;
  transform:translateX(100%);
  transition:transform .28s ease;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer__title{font-size:15px;font-weight:700;color:var(--c-title);}
.drawer__close{
  width:44px;height:44px;display:grid;place-items:center;
  border-radius:var(--r-btn);color:var(--c-primary);
  transition:background-color .2s ease;
}
.drawer__close:hover{background:var(--c-primary-light);}
.drawer__close:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,70,95,.2);}
.drawer__nav{display:grid;margin-top:4px;}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;
  border-bottom:1px solid var(--c-line);
  font-size:15px;font-weight:500;color:var(--c-text);
}
.drawer__nav a:hover{color:var(--c-primary);}
.drawer__nav a.is-active{color:var(--c-primary-dark);font-weight:700;}
.drawer__nav svg{width:16px;height:16px;color:var(--c-muted);}
.drawer__foot{margin-top:auto;padding-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px;}
  .grid-container.wrap{padding-left:20px;padding-right:20px;}
  .mainnav{display:none;}
  .header__actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:36px 0 48px;}
  .hero__grid{grid-template-columns:1fr;gap:32px;min-height:0;}
  .hero__media{order:-1;}
  .hero__media img{height:auto;aspect-ratio:16/9;}
  .hero h1{font-size:34px;}
  .feat-grid{grid-template-columns:1fr 1fr;}
  .feat-card--tall{grid-row:auto;}
  .gallery{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:48px 0;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:640px){
  :root{--sec:48px;}
  .grid-container.wrap{padding-left:16px;padding-right:16px;}
  .topbar__domain,.topbar__sep{display:none;}
  .topbar__right .topbar__link:not(.topbar__link--main){display:none;}
  .topbar__right{gap:0;}
  .topbar__tip{font-size:12px;}
  .header__inner{gap:12px;height:60px;}
  .brand__text{font-size:16px;}
  .brand__mark{width:28px;height:28px;border-radius:8px;}
  .mainnav__item{height:60px;}
  .hero{padding:28px 0 40px;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero__sub{font-size:15.5px;}
  .hero__btns{flex-direction:column;}
  .hero__btns .btn{width:100%;}
  .hero__card{left:12px;bottom:12px;padding:10px 14px;}
  .countdown{padding:18px 0;}
  .countdown__inner{flex-direction:column;align-items:stretch;gap:14px;}
  .countdown__label{font-size:14px;}
  .countdown__timer{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
  .cd-colon{display:none;}
  .cd-block{
    min-width:0;background:rgba(255,255,255,.08);
    border-radius:8px;padding:8px 0;
  }
  .cd-num{font-size:18px;}
  .cd-label{font-size:11px;}
  .section__head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section__title{font-size:23px;}
  .section__lead{margin-left:16px;font-size:14.5px;}
  .feat-grid{grid-template-columns:1fr;gap:16px;}
  .feat-card{padding:20px;}
  .feat-card--wide{flex-direction:column;align-items:flex-start;gap:16px;}
  .feat-card__idx{font-size:36px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:132px;gap:12px;}
  .gal-cap{font-size:13px;padding:22px 12px 10px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card__body{padding:18px;}
  .cta-copy h2{font-size:23px;}
  .form-card{padding:20px;}
  .faq__q{font-size:15px;padding:12px 16px;}
  .faq__a{padding:0 16px 18px 48px;font-size:14.5px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:48px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#16465F;
  --c-primary-dark:#0E3244;
  --c-primary-light:#E8F1F5;
  --c-accent:#E2762F;
  --c-accent-light:#FBE7DA;
  --c-bg:#F5F8FA;
  --c-card:#FFFFFF;
  --c-line:#E1E9EE;
  --c-title:#14232B;
  --c-text:#43555E;
  --c-muted:#7C8D95;
  --c-soft:#F7FAFC;
  --r-card:14px;
  --r-btn:8px;
  --r-badge:999px;
  --r-img:12px;
  --r-lg:16px;
  --sh-1:0 2px 4px rgba(20,35,43,.04),0 10px 24px rgba(20,35,43,.06);
  --sh-2:0 6px 12px rgba(20,35,43,.06),0 18px 36px rgba(20,35,43,.10);
  --sec-space:88px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;color:var(--c-title);font-weight:700;line-height:1.35}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:.2px}
h2{font-size:clamp(23px,2.6vw,29px)}
h3{font-size:19px;font-weight:600;line-height:1.5}
h4{font-size:16px;font-weight:600;line-height:1.5}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.faq__btn:focus-visible{
  outline:3px solid rgba(22,70,95,.2);
  outline-offset:2px;
  border-radius:4px;
}
.grid-container{max-width:1200px;padding-left:0;padding-right:0}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.section{padding:var(--sec-space) 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head__title{position:relative;padding-left:16px}
.section-head__title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.section-head__desc{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.6px;color:var(--c-primary);
  background:var(--c-primary-light);
  padding:4px 12px;border-radius:var(--r-badge);
}
/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-primary-dark);color:rgba(255,255,255,.8);font-size:12.5px;height:36px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar__left{display:flex;align-items:center;gap:12px;min-width:0;white-space:nowrap;overflow:hidden}
.topbar__domain{font-variant-numeric:tabular-nums;letter-spacing:.4px}
.topbar__divider{width:1px;height:13px;background:rgba(255,255,255,.24);flex:none}
.topbar__tip{color:rgba(255,255,255,.62);overflow:hidden;text-overflow:ellipsis}
.topbar__right{display:flex;align-items:center;gap:18px;flex:none}
.topbar__right a{color:rgba(255,255,255,.8);display:inline-flex;align-items:center;gap:5px}
.topbar__right a:hover{color:#fff;text-decoration:underline}
.topbar__cta{font-weight:600}
.topbar__cta svg{transition:transform .2s ease}
.topbar__cta:hover svg{transform:translateX(3px)}
/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60}
.navwrap{background:var(--c-card);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.is-stuck .navwrap{box-shadow:0 2px 10px rgba(20,35,43,.07)}
.navwrap__inner{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-primary-dark);flex:none}
.brand:hover{color:var(--c-primary-dark)}
.brand__mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex:none;
}
.brand__mark svg{width:20px;height:20px}
.brand__text{font-size:19px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.mainnav{display:flex;align-items:center;gap:28px;margin-left:auto}
.mainnav__item{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text);
  padding:20px 0;line-height:24px;white-space:nowrap;
}
.mainnav__item::after{
  content:"";position:absolute;left:0;right:0;bottom:11px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);
  transform-origin:center;transition:transform .22s ease;
}
.mainnav__item:hover{color:var(--c-primary-dark)}
.mainnav__item:hover::after{transform:scaleX(1)}
.mainnav__item.is-active{color:var(--c-primary-dark);font-weight:600}
.mainnav__item.is-active::after{transform:scaleX(1)}
.navwrap__action{flex:none;margin-left:4px}
.navtoggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-card);color:var(--c-primary);align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.navtoggle:hover{background:var(--c-primary-light);border-color:#CBDBE4}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn svg{width:16px;height:16px;transition:transform .2s ease}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 2px 6px rgba(226,118,47,.22)}
.btn--primary:hover{background:#cf6a26;color:#fff;transform:translateY(-1px);box-shadow:0 6px 14px rgba(226,118,47,.26)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light{background:#fff;color:var(--c-primary-dark)}
.btn--light:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn--text{background:none;border:none;height:auto;padding:0;color:var(--c-primary);font-weight:600;font-size:14px}
.btn--text:hover{color:var(--c-accent)}
.btn--text:hover svg{transform:translateX(3px)}
/* ============ 抽屉 ============ */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:var(--c-card);
  z-index:120;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:-12px 0 32px rgba(20,35,43,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--c-line)}
.drawer__title{font-size:15px;font-weight:700;color:var(--c-title)}
.drawer__close{
  width:44px;height:44px;border:none;background:transparent;color:var(--c-muted);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:8px;
}
.drawer__close:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.drawer__nav{padding:8px 0;overflow-y:auto;flex:1}
.drawer__nav a{
  display:flex;align-items:center;min-height:52px;padding:0 20px;font-size:15px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.drawer__nav a:hover{background:var(--c-soft);color:var(--c-primary-dark)}
.drawer__nav a.is-active{color:var(--c-primary-dark);font-weight:600;box-shadow:inset 3px 0 0 var(--c-accent)}
.drawer__foot{padding:16px 20px;border-top:1px solid var(--c-line)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,50,68,.42);z-index:110;opacity:0;pointer-events:none;
  transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
/* ============ 页面头部 ============ */
.pagehero{position:relative;background:var(--c-primary-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden}
.pagehero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,50,68,.94) 0%,rgba(14,50,68,.78) 52%,rgba(14,50,68,.52) 100%);
}
.pagehero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end;padding-top:56px;padding-bottom:56px}
.pagehero h1{color:#fff;max-width:760px}
.pagehero__lead{margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.84);max-width:660px}
.pagehero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pagehero__tags span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22);
}
.pagehero__side{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.pagehero__note{font-size:13px;color:rgba(255,255,255,.66);max-width:220px;line-height:1.7}
/* ============ 面包屑 ============ */
.crumbs{margin-bottom:20px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs svg{width:12px;height:12px;opacity:.6}
.crumbs [aria-current]{color:#fff}
/* ============ 指引布局 ============ */
.guide-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px;align-items:start}
.guide-aside{position:sticky;top:96px}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 24px;
}
.side-card__title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:var(--c-title)}
.side-card__title svg{width:18px;height:18px;color:var(--c-accent)}
.side-card__sub{margin-top:6px;font-size:13px;color:var(--c-muted)}
.side-list{margin-top:18px;display:grid;gap:14px}
.side-list li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:14px;line-height:1.7}
.side-list__dot{width:22px;height:22px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;margin-top:2px}
.side-list__dot svg{width:12px;height:12px}
.side-list strong{display:block;color:var(--c-title);font-weight:600;font-size:14px}
.side-card__foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted)}
.side-card__foot a{font-weight:600}
/* ============ 引导图文条 ============ */
.lead-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;margin-bottom:36px;
  background:#DCE7EC;border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.lead-figure img{width:100%;height:260px;object-fit:cover;border-radius:0}
.lead-figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,50,68,.06) 0%,rgba(14,50,68,.12) 100%);
}
.lead-figure__cap{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:12px;padding:14px 18px;
  box-shadow:0 6px 18px rgba(20,35,43,.14);font-size:14px;color:var(--c-text);
}
.lead-figure__cap strong{color:var(--c-title)}
/* ============ 步骤时间线 ============ */
.steps{position:relative;display:grid;gap:28px}
.step{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);gap:20px}
.step::before{
  content:"";position:absolute;left:19px;top:48px;bottom:-28px;width:1px;background:var(--c-line);
}
.step:last-child::before{display:none}
.step__num{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--c-primary);
  background:var(--c-primary-light);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;flex:none;
}
.step.is-current .step__num{background:var(--c-accent-light);border-color:var(--c-accent);color:var(--c-accent)}
.step__body{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px 26px;transition:box-shadow .22s ease,transform .22s ease;
}
.step__body:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.step__title{margin:0;font-size:19px;font-weight:600;color:var(--c-title)}
.step__desc{margin-top:10px;font-size:15px;line-height:1.85}
.step__points{margin-top:14px;display:grid;gap:8px}
.step__points li{display:grid;grid-template-columns:20px 1fr;gap:9px;font-size:14px;color:var(--c-text)}
.step__points svg{width:16px;height:16px;color:var(--c-accent);margin-top:5px}
.step__tag{
  display:inline-block;margin-top:16px;font-size:12.5px;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-light);color:var(--c-primary);
}
/* ============ 提示带 ============ */
.notice-band{
  margin-top:44px;background:var(--c-soft);border:1px solid var(--c-line);border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);padding:22px 26px;font-size:15px;
}
.notice-band strong{color:var(--c-title)}
/* ============ CTA 通栏 ============ */
.cta-band{background:var(--c-primary-dark);color:#fff;padding:56px 0}
.cta-band__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
.cta-band h2{color:#fff}
.cta-band__lead{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px}
.cta-band__points{margin-top:22px;display:grid;gap:10px}
.cta-band__points li{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-band__points svg{width:16px;height:16px;color:var(--c-accent);margin-top:5px}
.form-card{
  background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 18px 40px rgba(6,26,36,.28);
}
.form-card__title{font-size:17px;font-weight:700;color:var(--c-title)}
.form-card__sub{margin-top:6px;font-size:13px;color:var(--c-muted)}
.form-grid{display:grid;gap:16px;margin-top:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-title);margin-bottom:6px}
.field label .opt{font-weight:400;color:var(--c-muted);font-size:12.5px}
.field input,.field textarea{
  width:100%;height:44px;border:1px solid #D8E3E9;border-radius:var(--r-btn);
  padding:0 14px;font-size:15px;color:var(--c-title);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:92px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted)}
.field input:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,70,95,.12);outline:none}
.field--check{display:grid;grid-template-columns:18px 1fr;gap:10px;align-items:start}
.field--check input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary)}
.field--check span{font-size:13px;color:var(--c-muted);line-height:1.7}
.field--check a{font-weight:600}
/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq__item + .faq__item{border-top:1px solid var(--c-line)}
.faq__btn{
  width:100%;min-height:56px;padding:16px 20px;background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-title);line-height:1.55;
  transition:background-color .2s ease,color .2s ease;
}
.faq__btn:hover{background:var(--c-soft);color:var(--c-primary)}
.faq__icon{width:20px;height:20px;flex:none;color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center}
.faq__icon svg{width:20px;height:20px}
.faq__chev{margin-left:auto;flex:none;width:22px;height:22px;color:var(--c-muted);transition:transform .2s ease,color .2s ease}
.faq__btn[aria-expanded="true"] .faq__chev{transform:rotate(45deg);color:var(--c-accent)}
.faq__btn[aria-expanded="true"]{color:var(--c-primary-dark)}
.faq__panel{
  display:none;background:var(--c-soft);padding:0 20px 20px 54px;
  font-size:15px;line-height:1.8;color:var(--c-text);
}
.faq__panel.is-open{display:block}
.faq__panel p + p{margin-top:10px}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.62);padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;top:-40px;right:-60px;width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:14px 14px;opacity:.28;pointer-events:none;
}
.footer__grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer__brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.footer__brand:hover{color:#fff}
.footer__brand .brand__mark{background:rgba(255,255,255,.14);color:#fff}
.footer__brand .brand__text{font-size:18px;font-weight:700}
.footer__desc{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.56);max-width:320px}
.footer__col h4{color:rgba(255,255,255,.7);font-size:14px;font-weight:600;margin-bottom:16px}
.footer__col ul{display:grid;gap:12px}
.footer__col li{font-size:14px;line-height:1.6}
.footer__col p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.55);margin-bottom:12px}
.footer__col a{color:rgba(255,255,255,.55)}
.footer__col a:hover{color:#fff}
.footer__bottom{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.42);
}
.footer__bottom p{margin:0}
/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sec-space:64px}
  .mainnav{display:none}
  .navwrap__action{display:none}
  .navtoggle{display:inline-flex;margin-left:auto}
  .navwrap__inner{gap:16px}
  .pagehero__inner{grid-template-columns:1fr;align-items:start;gap:28px;padding-top:44px;padding-bottom:44px}
  .pagehero__side{flex-direction:row;flex-wrap:wrap;align-items:center;gap:16px}
  .pagehero__note{max-width:none}
  .guide-layout{grid-template-columns:1fr;gap:32px}
  .guide-aside{position:static;order:2}
  .cta-band__grid{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:640px){
  :root{--sec-space:48px}
  .wrap{padding-left:16px;padding-right:16px}
  body{font-size:15.5px}
  .topbar{height:36px;font-size:12px}
  .topbar__tip,.topbar__divider{display:none}
  .topbar__right{gap:12px}
  .topbar__right a:not(.topbar__cta){display:none}
  .navwrap__inner{height:60px}
  .brand__text{font-size:17px}
  .pagehero__inner{padding-top:32px;padding-bottom:36px}
  .pagehero__lead{font-size:15px;margin-top:12px}
  .pagehero__side{flex-direction:column;align-items:stretch}
  .pagehero__side .btn{width:100%}
  .lead-figure img{height:190px}
  .lead-figure__cap{position:static;margin:0;border-radius:0;box-shadow:none;background:#fff;padding:16px 18px}
  .step{grid-template-columns:34px minmax(0,1fr);gap:14px}
  .step__num{width:34px;height:34px;font-size:14px}
  .step::before{left:16px;top:42px}
  .step__body{padding:20px}
  .step__title{font-size:17px}
  .side-card{padding:22px 20px}
  .cta-band{padding:36px 0}
  .form-card{padding:22px 20px}
  .faq__btn{padding:14px 16px;font-size:15px;gap:10px}
  .faq__panel{padding:0 16px 18px 16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .footer__grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:44px}
  .footer__bottom{justify-content:flex-start;gap:6px}
}
@media screen and (min-width:641px) and (max-width:1024px){
  .steps{gap:24px}
}

/* roulang page: article */
:root{
  --brand:#16465F;
  --brand-dark:#0E3244;
  --brand-light:#E8F1F5;
  --accent:#E2762F;
  --accent-dark:#C9631F;
  --accent-light:#FBE7DA;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --soft:#F7FAFC;
  --line:#E1E9EE;
  --title:#14232B;
  --text:#43555E;
  --muted:#7C8D95;
  --danger:#C0392B;
  --success:#2E7D5B;
  --r-card:14px;
  --r-btn:8px;
  --r-pill:999px;
  --r-img:12px;
  --r-lg:16px;
  --shadow-sm:0 2px 4px rgba(20,35,43,.04),0 10px 24px rgba(20,35,43,.06);
  --shadow-md:0 6px 12px rgba(20,35,43,.06),0 18px 36px rgba(20,35,43,.10);
  --sp-section:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::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:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--font-cn);color:var(--title);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(22,70,95,.2);outline-offset:2px;}
.grid-container.wrap{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.time-num,time,.stat-num{font-variant-numeric:tabular-nums;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--brand-dark);color:rgba(255,255,255,.8);font-size:13px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar__left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar__domain{color:#fff;font-weight:600;letter-spacing:.2px;}
.topbar__divider{width:1px;height:12px;background:rgba(255,255,255,.24);}
.topbar__tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__right{display:flex;align-items:center;gap:20px;flex-shrink:0;}
.topbar__link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.8);font-size:13px;}
.topbar__link:hover{color:#fff;text-decoration:underline;}
.topbar__link--main{color:#fff;font-weight:600;}
.topbar__link--main svg{width:14px;height:14px;transition:transform .18s ease;}
.topbar__link--main:hover svg{transform:translateX(3px);}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(20,35,43,.08);}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--title);font-size:19px;font-weight:700;line-height:1;flex-shrink:0;}
.brand:hover{color:var(--brand);}
.brand__mark{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;flex-shrink:0;}
.brand__mark svg{width:18px;height:18px;}
.brand__text{white-space:nowrap;}
.mainnav{display:flex;align-items:center;gap:28px;}
.mainnav__item{
  position:relative;display:inline-flex;align-items:center;height:64px;
  font-size:15px;font-weight:500;color:var(--text);
  border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.mainnav__item:hover{color:var(--brand);}
.mainnav__item.is-active{color:var(--brand-dark);font-weight:600;border-bottom-color:var(--accent);}
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--brand);cursor:pointer;transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-light);border-color:#B9D2DE;}
.nav-toggle svg{width:20px;height:20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;text-align:center;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn svg{width:16px;height:16px;transition:transform .18s ease;}
.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn--primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);background:#B4571A;border-color:#B4571A;}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn--ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn--ghost:active{background:#D8E7EE;}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.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 svg{width:15px;height:15px;transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge--accent{background:var(--accent-light);color:var(--accent-dark);}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb-bar__inner{padding:14px 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:13px;color:var(--muted);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb svg{width:12px;height:12px;color:#B4C4CD;flex-shrink:0;}
.breadcrumb__current{color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头区 ============ */
.article-hero{background:linear-gradient(180deg,#FFFFFF 0%,#F2F7FA 100%);border-bottom:1px solid var(--line);padding:36px 0 40px;}
.article-hero__badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.article-hero h1{
  font-size:40px;line-height:1.28;letter-spacing:-.2px;color:var(--title);
  max-width:920px;margin:0 0 20px;word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--muted);}
.article-meta__item{display:inline-flex;align-items:center;gap:6px;}
.article-meta__item svg{width:15px;height:15px;color:#9BB0BA;}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:#C6D5DD;}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:36px;padding-top:48px;padding-bottom:72px;align-items:start;
}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);padding:36px 36px 32px;min-width:0;
}
.article-body{font-size:16px;line-height:1.9;color:var(--text);max-width:800px;word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:26px;line-height:1.4;color:var(--title);
  margin:40px 0 18px;padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:19px;line-height:1.5;color:var(--title);margin:30px 0 14px;font-weight:600;}
.article-body h4{font-size:16px;line-height:1.6;color:var(--title);margin:24px 0 12px;font-weight:600;}
.article-body p{margin:0 0 20px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(22,70,95,.28);}
.article-body a:hover{color:var(--accent-dark);border-bottom-color:var(--accent);}
.article-body strong{color:var(--title);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:none;padding-left:4px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);
}
.article-body ol{padding-left:24px;}
.article-body ol li{margin-bottom:10px;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--soft);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--title);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--soft);color:var(--title);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:hover{background:#FBFDFE;}
.article-body img{border-radius:var(--r-img);margin:8px 0;box-shadow:0 1px 3px rgba(20,35,43,.08);background:#DCE7ED;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.article-foot__note{font-size:13px;color:var(--muted);}

.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px 16px;
}
.empty-state svg{width:48px;height:48px;color:rgba(22,70,95,.4);}
.empty-state p{font-size:15px;color:var(--muted);margin:0;}

/* ============ 侧栏 ============ */
.aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;align-self:start;min-width:0;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card__title{
  display:flex;align-items:center;gap:8px;margin:0 0 14px;
  font-size:15px;font-weight:600;color:var(--title);
}
.side-card__title svg{width:16px;height:16px;color:var(--brand);}
.side-nav{list-style:none;}
.side-nav li:last-child a{border-bottom:0;padding-bottom:0;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 0;font-size:14px;color:var(--text);border-bottom:1px solid var(--line);
}
.side-nav a:hover{color:var(--brand);}
.side-nav a svg{width:14px;height:14px;color:#B4C4CD;flex-shrink:0;}
.rel-mini{list-style:none;}
.rel-mini li{padding:11px 0;border-bottom:1px solid var(--line);}
.rel-mini li:last-child{border-bottom:0;padding-bottom:0;}
.rel-mini li:first-child{padding-top:0;}
.rel-mini a{display:block;font-size:14px;font-weight:600;color:var(--title);line-height:1.6;}
.rel-mini a:hover{color:var(--brand);}
.rel-mini span{display:block;margin-top:4px;font-size:12px;color:var(--muted);}
.side-cta{background:var(--brand-dark);color:#fff;border-radius:var(--r-card);padding:24px;border:0;box-shadow:var(--shadow-sm);}
.side-cta h3{font-size:16px;color:#fff;margin:0 0 10px;}
.side-cta p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.74);margin:0 0 18px;}

/* ============ 板块通用 ============ */
.section{padding:0 0 var(--sp-section);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.section-head h2{font-size:28px;line-height:1.35;color:var(--title);position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--accent);
}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}

/* ============ 相关推荐卡片 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rcard{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.rcard__media{position:relative;overflow:hidden;background:#DCE7ED;}
.rcard__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.rcard__media::after{
  content:"";position:absolute;inset:0;background:rgba(14,50,68,.10);pointer-events:none;
}
.rcard:hover .rcard__media img{transform:scale(1.04);}
.rcard__media .badge{position:absolute;left:12px;top:12px;z-index:2;background:rgba(255,255,255,.94);color:var(--brand);}
.rcard__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rcard__title{font-size:17px;line-height:1.6;font-weight:600;color:var(--title);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard:hover .rcard__title{color:var(--brand);}
.rcard__desc{font-size:14px;line-height:1.7;color:var(--text);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rcard__foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.rcard__foot .link-arrow{font-size:13px;}

/* ============ CTA 通栏 ============ */
.cta-band{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center;
  padding:56px;border-radius:var(--r-lg);color:#fff;
  background-image:linear-gradient(rgba(14,50,68,.94),rgba(14,50,68,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:28px;line-height:1.35;color:#fff;margin:0 0 14px;}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);margin:0 0 20px;}
.ticks{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;}
.ticks li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.86);}
.ticks svg{width:16px;height:16px;color:var(--accent);flex-shrink:0;}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-band__actions .btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band__actions .btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.cta-band__hint{font-size:13px;color:rgba(255,255,255,.6);text-align:center;margin:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.7);padding:56px 0 0;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;right:-60px;top:-40px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:14px 14px;opacity:.5;pointer-events:none;
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;position:relative;z-index:1;}
.footer__brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;}
.footer__brand:hover{color:#fff;}
.footer__brand .brand__mark{background:rgba(255,255,255,.12);color:#fff;}
.footer__desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);margin:14px 0 0;max-width:330px;}
.footer__col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin:0 0 16px;}
.footer__col ul{list-style:none;}
.footer__col li{margin-bottom:12px;}
.footer__col li:last-child{margin-bottom:0;}
.footer__col a{font-size:14px;color:rgba(255,255,255,.58);}
.footer__col a:hover{color:#fff;}
.footer__col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);margin:0 0 12px;}
.footer__col p:last-child{margin-bottom:0;}
.footer__bottom{
  margin-top:44px;padding:18px 0 22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:rgba(255,255,255,.5);position:relative;z-index:1;
}
.footer__bottom p{margin:0;}

/* ============ 移动抽屉 ============ */
.off-canvas{background:var(--surface);width:300px;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);}
.drawer__head span{font-size:15px;font-weight:600;color:var(--title);}
.drawer__close{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);color:var(--brand);cursor:pointer;
}
.drawer__close:hover{background:var(--brand-light);}
.drawer__close svg{width:18px;height:18px;}
.drawer__list{list-style:none;}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 18px;
  font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer__list a:hover{background:var(--brand-light);color:var(--brand);}
.drawer__list a.is-active{color:var(--brand-dark);font-weight:600;box-shadow:inset 3px 0 0 var(--accent);}
.drawer__list svg{width:15px;height:15px;color:#B4C4CD;}
.drawer__foot{padding:18px;display:flex;flex-direction:column;gap:10px;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sp-section:64px;}
  .mainnav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header__inner{gap:16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:36px;padding-bottom:56px;}
  .aside{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .article-hero h1{font-size:32px;}
  .article-panel{padding:28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);gap:28px;padding:44px;}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media screen and (max-width:640px){
  :root{--sp-section:48px;}
  .grid-container.wrap{padding-left:16px;padding-right:16px;}
  .topbar__inner{height:34px;font-size:12px;gap:10px;}
  .topbar__domain,.topbar__divider{display:none;}
  .topbar__tip{font-size:12px;}
  .topbar__right{gap:12px;}
  .topbar__link:not(.topbar__link--main){display:none;}
  .header__inner{height:60px;}
  .brand{font-size:17px;}
  .brand__mark{width:30px;height:30px;}
  .header__actions .btn{display:none;}
  .article-hero{padding:24px 0 28px;}
  .article-hero h1{font-size:26px;line-height:1.35;margin-bottom:16px;}
  .article-meta{font-size:13px;gap:10px;}
  .article-panel{padding:20px;border-radius:var(--r-card);}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;margin:32px 0 14px;}
  .article-body h3{font-size:18px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
  .aside{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:23px;}
  .cta-band{padding:30px 20px;border-radius:14px;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions .btn{width:100%;}
  .footer__grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .breadcrumb__current{max-width:180px;}
}

/* roulang page: category2 */
:root{
  --ink:#16465F;
  --ink-deep:#0E3244;
  --ink-soft:#E8F1F5;
  --accent:#E2762F;
  --accent-soft:#FBE7DA;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --line:#E1E9EE;
  --title:#14232B;
  --body:#43555E;
  --muted:#7C8D95;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-box:16px;
  --shadow:0 2px 4px rgba(20,35,43,.04),0 10px 24px rgba(20,35,43,.06);
  --shadow-hover:0 6px 12px rgba(20,35,43,.06),0 18px 36px rgba(20,35,43,.10);
  --space-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--title);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,70,95,.2);border-radius:4px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-deep);color:rgba(255,255,255,.8);font-size:12.5px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.topbar__left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar__domain{font-weight:600;color:#fff;letter-spacing:.2px;}
.topbar__divider{width:1px;height:12px;background:rgba(255,255,255,.28);flex:none;}
.topbar__note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__right{display:flex;align-items:center;gap:20px;flex:none;}
.topbar__link{color:rgba(255,255,255,.8);display:inline-flex;align-items:center;gap:5px;font-size:12.5px;}
.topbar__link:hover{color:#fff;text-decoration:underline;}
.topbar__link svg{width:13px;height:13px;transition:transform .18s ease;}
.topbar__link:hover svg{transform:translateX(3px);}
.topbar__link--strong{color:#fff;font-weight:600;}

/* ---------- 主导航 ---------- */
.sitehead{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.sitehead.is-scrolled{box-shadow:0 2px 10px rgba(20,35,43,.08);}
.sitehead__inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:32px;height:32px;border-radius:9px;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{font-size:19px;font-weight:700;color:var(--title);letter-spacing:.4px;}
.brand:hover .brand__text{color:var(--ink);}
.mainnav{display:flex;align-items:center;gap:28px;}
.mainnav__item{
  position:relative;font-size:15px;font-weight:500;color:var(--body);padding:20px 0;line-height:1;
}
.mainnav__item::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.mainnav__item:hover{color:var(--ink-deep);}
.mainnav__item:hover::after{transform:scaleX(1);}
.mainnav__item.is-active{color:var(--ink-deep);font-weight:700;}
.mainnav__item.is-active::after{transform:scaleX(1);}
.sitehead__action{display:flex;align-items:center;gap:12px;flex:none;}
.burger{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
}
.burger:hover{background:var(--ink-soft);}
.burger svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn svg{width:16px;height:16px;transition:transform .18s ease;}
.btn--primary{background:var(--accent);color:#fff;}
.btn--primary:hover{background:#cf6524;color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(226,118,47,.24);}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--ghost:hover{background:var(--ink-soft);color:var(--ink-deep);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--light{background:#fff;color:var(--ink-deep);}
.btn--light:hover{background:var(--ink-soft);color:var(--ink-deep);transform:translateY(-1px);}
.btn--block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);}
.link-arrow svg{width:15px;height:15px;transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head__title{position:relative;padding-left:16px;font-size:28px;}
.section-head__title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent);
}
.section-head__desc{margin-top:10px;color:var(--muted);font-size:15px;padding-left:16px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge--ink{background:var(--ink-soft);color:var(--ink);}
.badge--accent{background:var(--accent-soft);color:var(--accent);}

/* ---------- 页面头部区（纯色块） ---------- */
.pagehero{
  background:linear-gradient(180deg,#EDF4F8 0%,#F5F8FA 100%);
  border-bottom:1px solid var(--line);
  padding:48px 0 56px;
}
.crumb{margin-bottom:22px;}
.crumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);}
.crumb svg{width:12px;height:12px;color:#B7C6CE;}
.crumb .current{color:var(--ink);font-weight:600;}
.pagehero__grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:flex-end;}
.pagehero h1{font-size:42px;line-height:1.25;letter-spacing:-.4px;}
.pagehero__sub{margin-top:16px;font-size:17px;color:var(--body);max-width:640px;line-height:1.85;}
.pagehero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.pagehero__aside{display:flex;flex-direction:column;gap:16px;align-items:flex-end;}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:36px 0;
}
.split + .split{border-top:1px solid var(--line);}
.split__media{position:relative;border-radius:var(--r-img);overflow:hidden;background:#D8E3E9;}
.split__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  transition:transform .4s ease;
}
.split__media::after{
  content:"";position:absolute;inset:0;background:rgba(14,50,68,.10);pointer-events:none;border-radius:var(--r-img);
}
.split:hover .split__media img{transform:scale(1.03);}
.split__media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--ink);z-index:2;}
.split--reverse .split__media{order:2;}
.split--reverse .split__body{order:1;}
.split__body h3{font-size:22px;line-height:1.45;margin-bottom:12px;}
.split__body > p{font-size:15.5px;line-height:1.85;color:var(--body);}
.checklist{margin-top:20px;display:grid;gap:12px;}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.7;color:var(--body);}
.checklist svg{
  width:18px;height:18px;flex:none;margin-top:4px;color:var(--accent);
}

/* ---------- 核对速览 ---------- */
.quick{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.quick__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.quick__item{
  border:1px solid var(--line);border-radius:var(--r-card);padding:24px;background:var(--card);
  box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease;
}
.quick__item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.quick__icon{
  width:40px;height:40px;border-radius:10px;background:var(--ink-soft);color:var(--ink);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.quick__icon svg{width:20px;height:20px;}
.quick__item h3{font-size:17px;margin-bottom:8px;}
.quick__item p{font-size:14px;line-height:1.75;color:var(--muted);}

/* ---------- 常见疑问卡 ---------- */
.qagrid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.qacard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.qacard:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#CFDEE6;}
.qacard h3{font-size:18px;line-height:1.5;margin-bottom:12px;display:flex;gap:10px;}
.qacard h3 span{
  flex:none;width:26px;height:26px;border-radius:8px;background:var(--accent-soft);color:var(--accent);
  font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:1px;
}
.qacard p{font-size:15px;line-height:1.8;color:var(--body);}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--ink-deep);color:#fff;padding:56px 0;border-top:1px solid rgba(255,255,255,.08);}
.cta-band__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;line-height:1.4;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;margin-top:14px;max-width:560px;}
.cta-band__points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px;}
.cta-band__points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);}
.cta-band__points svg{width:16px;height:16px;color:var(--accent);flex:none;}
.cta-band__panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-box);padding:28px;
}
.cta-band__panel h3{color:#fff;font-size:17px;margin-bottom:10px;}
.cta-band__panel p{font-size:14px;color:rgba(255,255,255,.7);margin-top:0;margin-bottom:18px;}
.cta-band__panel .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.6);padding:64px 0 0;position:relative;overflow:hidden;}
.site-footer::after{
  content:"";position:absolute;right:-40px;bottom:0;width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:16px 16px;opacity:.05;pointer-events:none;
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:40px;position:relative;z-index:1;}
.footer__brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .brand__mark{background:rgba(255,255,255,.12);color:#fff;}
.footer__brand .brand__text{color:#fff;font-size:18px;}
.footer__desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);}
.footer__col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin-bottom:16px;letter-spacing:.3px;}
.footer__col ul{display:grid;gap:12px;}
.footer__col li{font-size:14px;line-height:1.7;}
.footer__col a{color:rgba(255,255,255,.55);font-size:14px;}
.footer__col a:hover{color:#fff;}
.footer__col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);margin-bottom:10px;}
.footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;
  color:rgba(255,255,255,.45);position:relative;z-index:1;
}

/* ---------- 移动抽屉 ---------- */
.off-canvas{background:#fff;}
.drawer{padding:20px 20px 0;display:flex;flex-direction:column;height:100%;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer__close:hover{background:var(--ink-soft);}
.drawer__close svg{width:20px;height:20px;}
.drawer__nav{display:flex;flex-direction:column;}
.drawer__nav a{
  display:flex;align-items:center;height:52px;font-size:16px;color:var(--body);
  border-bottom:1px solid var(--line);font-weight:500;
}
.drawer__nav a.is-active{color:var(--ink-deep);font-weight:700;}
.drawer__nav a:hover{color:var(--accent);}
.drawer__cta{margin-top:auto;margin-bottom:24px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--space-section:64px;}
  .wrap{padding:0 20px;}
  .mainnav{display:none;}
  .burger{display:inline-flex;}
  .sitehead__action .btn--sm{display:none;}
  .pagehero{padding:36px 0 44px;}
  .pagehero__grid{grid-template-columns:1fr;gap:28px;align-items:flex-start;}
  .pagehero h1{font-size:34px;}
  .pagehero__aside{align-items:flex-start;flex-direction:row;}
  .split{gap:32px;padding:28px 0;}
  .quick__grid{grid-template-columns:repeat(2,1fr);}
  .qagrid{grid-template-columns:1fr;}
  .cta-band__grid{grid-template-columns:1fr;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media screen and (max-width:640px){
  :root{--space-section:48px;}
  .wrap{padding:0 16px;}
  .topbar__inner{min-height:36px;}
  .topbar__left{gap:8px;}
  .topbar__note{font-size:12px;}
  .topbar__right{gap:12px;}
  .topbar__link:first-child{display:none;}
  .brand__text{font-size:17px;}
  .sitehead__inner{min-height:60px;gap:12px;}
  .pagehero h1{font-size:28px;line-height:1.3;}
  .pagehero__sub{font-size:15.5px;}
  .pagehero__actions{flex-direction:column;align-items:stretch;}
  .pagehero__actions .btn{width:100%;}
  .pagehero__aside{flex-direction:column;align-items:stretch;width:100%;}
  .pagehero__aside .btn{width:100%;}
  .split{grid-template-columns:1fr;gap:20px;padding:24px 0;}
  .split--reverse .split__media{order:1;}
  .split--reverse .split__body{order:2;}
  .split__body h3{font-size:19px;}
  .quick__grid{grid-template-columns:1fr;gap:16px;}
  .quick__item{padding:20px;}
  .qacard{padding:20px;}
  .qacard h3{font-size:16.5px;}
  .cta-band{padding:40px 0;}
  .cta-band h2{font-size:22px;}
  .cta-band__panel{padding:22px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .footer__bottom{flex-direction:column;gap:8px;}
  .section-head__title{font-size:22px;}
  .section-head__desc{font-size:14px;}
}

/* roulang page: category3 */
:root{
  --primary:#16465F;
  --primary-dark:#0E3244;
  --primary-soft:#E8F1F5;
  --accent:#E2762F;
  --accent-dark:#CF6524;
  --accent-soft:#FBE7DA;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --line:#E1E9EE;
  --ink:#14232B;
  --body:#43555E;
  --muted:#7C8D95;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-lg:16px;
  --shadow:0 2px 4px rgba(20,35,43,.04),0 10px 24px rgba(20,35,43,.06);
  --shadow-hover:0 6px 12px rgba(20,35,43,.06),0 18px 36px rgba(20,35,43,.10);
  --container:1200px;
  --focus:0 0 0 3px rgba(22,70,95,.20);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:.01em;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;}
h3{font-size:19px;font-weight:600;line-height:1.5;}
h4{font-size:16px;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
svg{display:block;}

.grid-container.wrap{max-width:var(--container);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary-dark);color:rgba(255,255,255,.80);font-size:12.5px;height:36px;display:flex;align-items:center;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:36px;}
.topbar__left{display:flex;align-items:center;gap:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar__sep{width:1px;height:12px;background:rgba(255,255,255,.28);display:inline-block;}
.topbar__tip{color:rgba(255,255,255,.72);}
.topbar__links{display:flex;align-items:center;gap:22px;white-space:nowrap;}
.topbar__links a{color:rgba(255,255,255,.80);font-size:12.5px;display:inline-flex;align-items:center;gap:5px;height:36px;}
.topbar__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.topbar__main{font-weight:600;color:#fff !important;}
.topbar__main svg{transition:transform .18s ease;}
.topbar__main:hover svg{transform:translateX(3px);}

/* ---------- 主导航 ---------- */
.sitenav{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.sitenav.is-stuck{box-shadow:0 1px 0 rgba(20,35,43,.06),0 6px 18px rgba(20,35,43,.06);}
.sitenav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__mark{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;}
.brand__mark svg{width:20px;height:20px;}
.brand__text{font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.mainnav{display:flex;align-items:center;gap:28px;}
.mainnav__item{position:relative;font-size:15px;font-weight:500;color:var(--body);padding:19px 0;line-height:1.4;}
.mainnav__item::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;}
.mainnav__item:hover{color:var(--primary-dark);}
.mainnav__item:hover::after{transform:scaleX(1);}
.mainnav__item.is-active{color:var(--primary-dark);font-weight:600;}
.mainnav__item.is-active::after{transform:scaleX(1);}
.mainnav__item:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px;}
.sitenav__actions{display:flex;align-items:center;gap:12px;}
.navtoggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--primary);border:1px solid var(--line);}
.navtoggle:hover{background:var(--primary-soft);}
.navtoggle:focus-visible{outline:none;box-shadow:var(--focus);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:none;box-shadow:var(--focus);}
.btn--primary{background:var(--accent);color:#fff;}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(226,118,47,.24);}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary-dark);}
.btn--ghost:active{transform:translateY(1px);}
.btn--light{background:#fff;color:var(--primary-dark);}
.btn--light:hover{background:#F1F6F9;color:var(--primary-dark);transform:translateY(-1px);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.link-arrow:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px;}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--primary-soft);border-bottom:1px solid var(--line);}
.page-hero::before{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;border:1px solid rgba(22,70,95,.10);}
.page-hero::after{content:"";position:absolute;right:40px;bottom:-180px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(22,70,95,.08);}
.page-hero__inner{position:relative;z-index:2;padding:44px 0 56px;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.page-hero__main{max-width:760px;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#B7C6CE;display:inline-flex;}
.breadcrumb li[aria-current]{color:var(--primary);font-weight:600;}
.page-hero__badge{display:inline-flex;align-items:center;gap:6px;background:var(--surface);color:var(--primary);font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 12px;margin-bottom:16px;border:1px solid rgba(22,70,95,.10);}
.page-hero h1{margin-bottom:16px;}
.page-hero h1 .hl{color:var(--primary);}
.page-hero__desc{font-size:16px;line-height:1.8;color:var(--body);max-width:640px;}
.page-hero__side{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.page-hero__note{font-size:13px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section__title{position:relative;padding-left:16px;font-size:28px;}
.section__title::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:1em;background:var(--accent);border-radius:2px;}
.section__lead{font-size:15px;color:var(--muted);margin-top:10px;padding-left:16px;max-width:720px;}

/* ---------- 筛选标签 ---------- */
.chipbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:28px;}
.chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--body);font-size:14px;font-weight:500;transition:all .18s ease;cursor:default;}
.chip:hover{border-color:rgba(22,70,95,.3);color:var(--primary);}
.chip.is-current{background:var(--accent-soft);border-color:rgba(226,118,47,.35);color:var(--accent-dark);font-weight:600;}
.chip__count{font-size:12px;font-variant-numeric:tabular-nums;opacity:.75;}

/* ---------- 公告档案列表 ---------- */
.notice-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;}
.notice-item{position:relative;transition:background .18s ease;}
.notice-item + .notice-item{border-top:1px solid var(--line);}
.notice-item:hover{background:#F7FAFC;}
.notice-item:focus-within{box-shadow:inset 0 0 0 2px rgba(22,70,95,.22);}
.notice-item__inner{display:grid;grid-template-columns:62px 1fr auto;gap:20px;align-items:center;padding:22px 24px;}
.notice-date{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);border-radius:10px;padding:8px 0;line-height:1.2;text-align:center;}
.notice-date .m{font-size:12px;letter-spacing:.04em;color:var(--primary);opacity:.85;}
.notice-date .d{font-size:20px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;}
.notice-item__body{min-width:0;}
.notice-item__title{font-size:18px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:6px;transition:color .18s ease;}
.notice-item__title a{color:inherit;}
.notice-item__title a::after{content:"";position:absolute;inset:0;z-index:1;}
.notice-item:hover .notice-item__title{color:var(--primary);}
.notice-item__desc{font-size:14px;line-height:1.7;color:var(--muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.notice-item__tag{display:inline-flex;align-items:center;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;margin-right:8px;vertical-align:2px;}
.notice-item__tag--hot{background:var(--accent-soft);color:var(--accent-dark);}
.notice-item__action{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;}
.notice-item__action svg{transition:transform .18s ease;}
.notice-item:hover .notice-item__action svg{transform:translateX(3px);}
.notice-list__foot{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;border-top:1px solid var(--line);background:#FAFCFD;flex-wrap:wrap;}
.notice-list__foot p{font-size:13px;color:var(--muted);}

/* ---------- 图文要点 ---------- */
.focus{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:center;}
.focus__media{position:relative;border-radius:var(--r-img);overflow:hidden;background:#DDE7EC;box-shadow:var(--shadow);}
.focus__media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
.focus__media::after{content:"";position:absolute;inset:0;background:rgba(14,50,68,.10);pointer-events:none;}
.focus__badge{position:absolute;left:16px;top:16px;z-index:2;background:rgba(255,255,255,.94);color:var(--primary-dark);font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 12px;}
.focus__body h2{margin-bottom:14px;}
.focus__body > p{font-size:15.5px;color:var(--body);margin-bottom:22px;}
.checklist{display:grid;gap:14px;margin-bottom:26px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--body);}
.checklist .ico{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;margin-top:3px;}
.checklist .ico svg{width:13px;height:13px;}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--primary-dark);color:#fff;padding:56px 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;border:1px solid rgba(255,255,255,.08);}
.cta-band__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:620px;line-height:1.8;}
.cta-band__actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.cta-band .btn:focus-visible{box-shadow:0 0 0 3px rgba(255,255,255,.35);}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;}
.faq__item + .faq__item{border-top:1px solid var(--line);}
.faq__trigger{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:background .18s ease,color .18s ease;}
.faq__trigger:hover{background:#F7FAFC;color:var(--primary);}
.faq__trigger:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(22,70,95,.18);}
.faq__icon{flex:0 0 22px;width:22px;height:22px;color:var(--primary);transition:transform .2s ease;}
.faq__icon svg{width:22px;height:22px;}
.faq__trigger[aria-expanded="true"] .faq__icon{transform:rotate(45deg);}
.faq__trigger[aria-expanded="true"]{color:var(--primary-dark);}
.faq__panel{padding:0 20px 20px;background:#F7FAFC;font-size:15px;line-height:1.8;color:var(--body);}
.faq__panel p{padding-top:14px;}
.faq__panel[hidden]{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.55);padding:64px 0 0;position:relative;overflow:hidden;}
.site-footer::after{content:"";position:absolute;right:-60px;top:40px;width:220px;height:220px;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:14px 14px;opacity:.5;pointer-events:none;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer__col h4{color:rgba(255,255,255,.72);font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer__col ul{display:grid;gap:12px;}
.footer__col li a{color:rgba(255,255,255,.55);font-size:14px;line-height:1.7;}
.footer__col li a:hover{color:#fff;}
.footer__col li a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,255,255,.3);border-radius:4px;}
.footer__col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);margin-bottom:12px;}
.footer__brand{display:inline-flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer__brand:hover{color:#fff;}
.footer__brand .brand__mark{background:rgba(255,255,255,.12);color:#fff;}
.footer__brand .brand__text{font-size:18px;font-weight:700;letter-spacing:.01em;}
.footer__desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);max-width:320px;}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.45);}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,50,68,.45);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--surface);z-index:95;transform:translateX(102%);transition:transform .26s ease;display:flex;flex-direction:column;box-shadow:-10px 0 34px rgba(20,35,43,.16);}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);}
.drawer__brand{font-size:16px;font-weight:700;color:var(--ink);}
.drawer__close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--primary);}
.drawer__close:hover{background:var(--primary-soft);}
.drawer__close:focus-visible{outline:none;box-shadow:var(--focus);}
.drawer__nav{padding:8px 0;flex:1 1 auto;overflow-y:auto;}
.drawer__item{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 18px;font-size:15px;font-weight:500;color:var(--body);border-bottom:1px solid var(--line);}
.drawer__item:hover{background:#F7FAFC;color:var(--primary);}
.drawer__item.is-active{color:var(--primary-dark);font-weight:600;box-shadow:inset 3px 0 0 var(--accent);background:var(--primary-soft);}
.drawer__item:focus-visible{outline:none;box-shadow:var(--focus);}
.drawer__foot{padding:16px 18px 22px;border-top:1px solid var(--line);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  h1{font-size:34px;}
  .mainnav{gap:20px;}
  .mainnav__item{font-size:14px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .page-hero__inner{padding:36px 0 44px;align-items:flex-start;}
  .focus{grid-template-columns:1fr;gap:28px;}
  .focus__media img{aspect-ratio:16/9;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band__inner{grid-template-columns:1fr;gap:24px;}
  .wrap{padding-left:20px;padding-right:20px;}
  .grid-container.wrap{padding-left:20px;padding-right:20px;}
}
@media screen and (max-width:900px){
  .mainnav{display:none;}
  .navtoggle{display:inline-flex;}
  .sitenav__actions .btn{display:none;}
}
@media screen and (max-width:640px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .wrap{padding-left:16px;padding-right:16px;}
  .grid-container.wrap{padding-left:16px;padding-right:16px;}
  .topbar__domain,.topbar__sep,.topbar__links a:not(.topbar__main){display:none;}
  .topbar__tip{font-size:12px;}
  .topbar__links{gap:12px;}
  .sitenav__inner{height:60px;gap:12px;}
  .brand__text{font-size:17px;}
  .page-hero__inner{padding:28px 0 34px;flex-direction:column;gap:22px;}
  .page-hero__side{width:100%;}
  .page-hero__side .btn{width:100%;}
  .notice-item__inner{grid-template-columns:54px 1fr;gap:14px;padding:18px 16px;}
  .notice-item__action{grid-column:1 / -1;padding-left:68px;}
  .notice-item__desc{-webkit-line-clamp:2;}
  .notice-list__foot{padding:16px;}
  .faq__trigger{font-size:15px;padding:12px 16px;}
  .faq__panel{padding:0 16px 18px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:40px 0;}
  .cta-band h2{font-size:23px;}
  .cta-band__actions .btn{width:100%;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section__title{font-size:23px;}
}