/* roulang page: index */
/* =========================================================
   1. 设计变量
   ========================================================= */
:root{
  --c-primary:#1D5BD6;
  --c-primary-hover:#1546A8;
  --c-primary-light:#EAF1FE;
  --c-primary-soft:#D8E5FC;
  --c-accent:#F26B21;
  --c-accent-dark:#C4520F;
  --c-accent-light:#FEF1E9;
  --c-ink:#0F1B2D;
  --c-text:#42546E;
  --c-muted:#7B8AA3;
  --c-line:#E5EAF2;
  --c-bg-soft:#F5F8FC;
  --c-card:#FFFFFF;
  --c-dark:#0B1F3A;
  --c-dark-2:#102A4C;
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 3px rgba(15,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(29,91,214,.18);
  --sh-hover:0 16px 40px -16px rgba(29,91,214,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
  --container:1200px;
  --gap:24px;
}

/* =========================================================
   2. 基础重置
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;flex:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* =========================================================
   3. 布局容器
   ========================================================= */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0;}
.section--soft{background:var(--c-bg-soft);}
.section--tight{padding:64px 0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head__left{max-width:680px;}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--c-primary);
  background:var(--c-primary-light);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:14px;
}
.section-kicker::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
}
.section-title{
  font-size:32px;
  line-height:1.35;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:-.01em;
}
.section-desc{
  margin-top:14px;
  font-size:16px;
  color:var(--c-text);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  white-space:nowrap;
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:2px;
  background:var(--c-primary);
  transition:width var(--t);
}
.text-link:hover::after{width:100%;}
.text-link:hover{color:var(--c-primary-hover);}

/* =========================================================
   4. 按钮
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn--primary{
  background:var(--c-primary);
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn--primary:hover{
  background:var(--c-primary-hover);
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
}
.btn--primary:active{transform:translateY(0);}
.btn--accent{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 8px 24px -12px rgba(242,107,33,.5);
}
.btn--accent:hover{
  background:var(--c-accent-dark);
  transform:translateY(-2px);
}
.btn--ghost{
  background:#fff;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn--ghost:hover{
  background:var(--c-primary-light);
  transform:translateY(-2px);
}
.btn--light{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:rgba(255,255,255,.42);
}
.btn--light:hover{
  background:rgba(255,255,255,.2);
  transform:translateY(-2px);
}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* =========================================================
   5. 顶部工具条
   ========================================================= */
.topbar{
  height:40px;
  background:var(--c-bg-soft);
  border-bottom:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-muted);
}
.topbar__inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar__note{display:flex;align-items:center;gap:8px;}
.topbar__dot{
  width:6px;height:6px;border-radius:50%;
  background:#2BB673;
  box-shadow:0 0 0 3px rgba(43,182,115,.16);
}
.topbar__links{display:flex;align-items:center;gap:20px;}
.topbar__links a{color:var(--c-muted);}
.topbar__links a:hover{color:var(--c-primary);}

/* =========================================================
   6. 主导航（搜索主导）
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  transition:box-shadow var(--t),border-color var(--t);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-main__inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand__mark{
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(135deg,#1D5BD6 0%,#2E7BE8 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  box-shadow:var(--sh-2);
}
.brand__text{
  font-size:17px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand__text em{
  font-style:normal;
  color:var(--c-primary);
}
.brand:hover .brand__text{color:var(--c-primary-hover);}

.search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:620px;
  height:48px;
  background:var(--c-bg-soft);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:0 6px 0 18px;
  transition:border-color var(--t),background-color var(--t),box-shadow var(--t);
}
.search:focus-within{
  background:#fff;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(29,91,214,.1);
}
.search__icon{color:var(--c-muted);margin-right:10px;}
.search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--c-ink);
}
.search input::placeholder{color:var(--c-muted);}
.search__btn{
  height:38px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color var(--t);
}
.search__btn:hover{background:var(--c-primary-hover);}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:none;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
}
.nav-links a:hover{background:var(--c-primary-light);color:var(--c-primary);}
.nav-links a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-light);}
.nav-cta{flex:none;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  color:var(--c-ink);
}
.nav-toggle:hover{background:var(--c-bg-soft);}

/* 分类 chip 行 */
.chip-row{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding:0 0 14px;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:#fff;
  font-size:13.5px;
  color:var(--c-text);
  transition:all var(--t);
}
.chip:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:var(--c-primary-light);
}
.chip.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}

/* 移动端搜索面板 */
.search-panel{
  display:none;
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(11,31,58,.45);
  padding:80px 16px 16px;
}
.search-panel.is-open{display:block;}
.search-panel__box{
  background:#fff;
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:0 24px 60px -20px rgba(11,31,58,.4);
}
.search-panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.search-panel__head strong{font-size:16px;color:var(--c-ink);}
.search-panel__close{
  width:36px;height:36px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-muted);
  border:1px solid var(--c-line);
}
.search-panel__close:hover{background:var(--c-bg-soft);color:var(--c-ink);}
.search-panel__form{
  display:flex;
  align-items:center;
  height:46px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  padding:0 6px 0 14px;
  background:var(--c-bg-soft);
  margin-bottom:18px;
}
.search-panel__form input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;height:100%;font-size:15px;
}
.search-panel__label{
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:10px;
}
.search-panel__chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

/* =========================================================
   7. Hero
   ========================================================= */
.hero{
  position:relative;
  padding:72px 0 80px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 46%,rgba(234,241,254,.72) 100%),
    linear-gradient(135deg,rgba(29,91,214,.12),rgba(29,91,214,.04));
}
.hero__grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
  align-items:center;
}
.hero__left{grid-column:span 6;}
.hero__right{grid-column:span 6;}

.hero__tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13.5px;
  font-weight:600;
  box-shadow:var(--sh-1);
  margin-bottom:20px;
}
.hero__tag span{
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
h1.hero__title{
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:-.02em;
}
.hero__sub{
  margin-top:18px;
  font-size:18px;
  line-height:1.7;
  color:var(--c-text);
  max-width:560px;
}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero__trust{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:34px;
}
.trust-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.86);
  font-size:13.5px;
  color:var(--c-text);
}
.trust-pill svg{color:var(--c-primary);}

.hero__figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  background:#EEF3FA;
  aspect-ratio:4/3;
  box-shadow:0 24px 60px -28px rgba(15,27,45,.4);
}
.hero__figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 600ms var(--ease);
}
.hero__figure:hover img{transform:scale(1.03);}
.hero__figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(29,91,214,.18),rgba(11,31,58,.34));
}
.hero-float{
  position:absolute;
  left:-22px;
  bottom:26px;
  z-index:3;
  background:#fff;
  border-radius:var(--r-card);
  padding:18px 22px;
  box-shadow:0 18px 44px -18px rgba(15,27,45,.45);
  border:1px solid var(--c-line);
  min-width:196px;
}
.hero-float__num{
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.hero-float__num em{font-style:normal;font-size:16px;color:var(--c-accent);margin-left:2px;}
.hero-float__label{
  margin-top:6px;
  font-size:13.5px;
  color:var(--c-muted);
}

/* =========================================================
   8. 痛点区
   ========================================================= */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
}
.pain-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px 26px 30px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
  overflow:hidden;
}
.pain-card::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-primary);
}
.pain-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:var(--c-primary-soft);
}
.pain-card__icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.pain-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.5;
}
.pain-card p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--c-text);
}

/* =========================================================
   9. 解决方案流程
   ========================================================= */
.steps{margin-top:8px;}
.step-row{
  display:grid;
  grid-template-columns:55fr 45fr;
  gap:48px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--c-line);
}
.step-row:last-child{border-bottom:0;}
.step-row--reverse .step-row__figure{order:-1;}
.step-row__figure{
  border-radius:var(--r-card);
  overflow:hidden;
  background:#EEF3FA;
  aspect-ratio:16/10;
  box-shadow:var(--sh-2);
}
.step-row__figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 600ms var(--ease);
}
.step-row__figure:hover img{transform:scale(1.03);}
.step-row__no{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.step-row__no::after{
  content:"";
  width:34px;height:1px;
  background:var(--c-accent);
  opacity:.5;
}
.step-row__body h3{
  font-size:22px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.45;
}
.step-row__body p{
  margin-top:12px;
  font-size:15.5px;
  color:var(--c-text);
}
.step-row__body .text-link{margin-top:16px;}

/* =========================================================
   10. 成果数据带
   ========================================================= */
.data-band{
  background:var(--c-dark);
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.data-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(29,91,214,.4),transparent 68%);
}
.data-band__head{
  position:relative;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.data-band__head h2{
  font-size:32px;
  font-weight:700;
  color:#fff;
  line-height:1.35;
}
.data-band__head p{
  margin-top:12px;
  font-size:15.5px;
  color:rgba(255,255,255,.66);
  max-width:560px;
}
.data-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.data-item{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.14);
}
.data-item:first-child{border-left:0;padding-left:0;}
.data-item__num{
  font-size:48px;
  font-weight:700;
  line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.data-item__num em{
  font-style:normal;
  font-size:18px;
  color:var(--c-accent);
  margin-left:4px;
  font-weight:600;
}
.data-item__label{
  margin-top:12px;
  font-size:14px;
  color:rgba(255,255,255,.62);
  line-height:1.7;
}

/* =========================================================
   11. 客户证言
   ========================================================= */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.quote-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-2);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;
  flex-direction:column;
}
.quote-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
}
.quote-card__mark{
  font-size:40px;
  line-height:1;
  color:var(--c-primary-soft);
  font-weight:700;
  margin-bottom:6px;
}
.quote-card__text{
  font-size:15.5px;
  color:var(--c-text);
  line-height:1.85;
  flex:1;
}
.quote-card__person{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
}
.quote-card__avatar{
  width:44px;height:44px;
  border-radius:50%;
  overflow:hidden;
  background:#EEF3FA;
  flex:none;
}
.quote-card__avatar img{width:100%;height:100%;object-fit:cover;}
.quote-card__name{
  font-size:14.5px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.4;
}
.quote-card__role{
  font-size:13px;
  color:var(--c-muted);
}

/* =========================================================
   12. 资讯卡片（CMS 区域）
   ========================================================= */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:var(--c-primary-soft);
}
.news-card__thumb{
  display:block;
  position:relative;
  aspect-ratio:16/10;
  background:#EEF3FA;
  overflow:hidden;
}
.news-card__thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 600ms var(--ease);
}
.news-card:hover .news-card__thumb img{transform:scale(1.03);}
.news-card__body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
  align-self:flex-start;
}
.news-card__title{
  margin-top:14px;
  font-size:18px;
  font-weight:600;
  line-height:1.55;
  color:var(--c-ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__excerpt{
  margin-top:10px;
  font-size:14.5px;
  color:var(--c-text);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__meta{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-muted);
  font-variant-numeric:tabular-nums;
}
.news-card__meta span{display:inline-flex;align-items:center;gap:5px;}
.news-card__meta i{
  font-style:normal;
  width:1px;height:12px;
  background:var(--c-line);
}
.news-card__more{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--c-line);
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-card:hover .news-card__more{color:var(--c-primary-hover);}

.news-empty{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-bg-soft);
}
.news-empty__icon{
  width:64px;height:64px;
  margin:0 auto 16px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
}
.news-empty p{
  font-size:15px;
  color:var(--c-muted);
  margin-bottom:18px;
}

/* =========================================================
   13. FAQ
   ========================================================= */
.faq-layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:56px;
  align-items:start;
}
.faq-aside h2{
  font-size:32px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.35;
}
.faq-aside p{
  margin-top:14px;
  font-size:15.5px;
  color:var(--c-text);
}
.faq-aside .btn{margin-top:24px;}

.faq-list{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__item:last-child{border-bottom:0;}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:22px 26px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.6;
  transition:background-color var(--t),color var(--t);
}
.faq__q:hover{background:var(--c-bg-soft);color:var(--c-primary);}
.faq__sign{
  position:relative;
  width:22px;height:22px;
  flex:none;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.faq__sign::before,
.faq__sign::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  border-radius:2px;
  transition:opacity var(--t),transform var(--t);
}
.faq__sign::before{width:10px;height:2px;}
.faq__sign::after{width:2px;height:10px;}
.faq__item.is-open .faq__sign{
  background:var(--c-primary);
  border-color:var(--c-primary);
  transform:rotate(180deg);
}
.faq__item.is-open .faq__sign::before{background:#fff;}
.faq__item.is-open .faq__sign::after{opacity:0;}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq__a p{
  padding:0 26px 24px;
  font-size:15.5px;
  color:var(--c-text);
  line-height:1.85;
}
.faq__item.is-open .faq__q{background:var(--c-bg-soft);}

/* =========================================================
   14. 底部 CTA
   ========================================================= */
.cta-band{
  background:linear-gradient(135deg,#1D5BD6 0%,#2E7BE8 100%);
  border-radius:24px;
  padding:56px 56px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-band__body{position:relative;z-index:2;}
.cta-band h2{
  font-size:30px;
  font-weight:700;
  color:#fff;
  line-height:1.4;
}
.cta-band p{
  margin-top:14px;
  font-size:15.5px;
  color:rgba(255,255,255,.82);
  max-width:620px;
}
.cta-band__actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* =========================================================
   15. 页脚
   ========================================================= */
.site-footer{
  background:#fff;
  border-top:1px solid var(--c-line);
  padding-top:64px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand__logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand__logo .brand__mark{width:34px;height:34px;border-radius:10px;}
.footer-brand p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.85;
  max-width:320px;
}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:var(--c-muted);
}
.footer-col a:hover{color:var(--c-primary);}
.footer-search{
  display:flex;
  align-items:center;
  height:44px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  padding:0 6px 0 14px;
  background:var(--c-bg-soft);
  margin-bottom:16px;
  transition:border-color var(--t),background-color var(--t);
}
.footer-search:focus-within{background:#fff;border-color:var(--c-primary);}
.footer-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;height:100%;font-size:14px;
}
.footer-search button{
  height:32px;padding:0 14px;
  border-radius:8px;
  background:var(--c-primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
}
.footer-search button:hover{background:var(--c-primary-hover);}
.footer-contact{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.9;
}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-muted);
}
.footer-bottom__links{display:flex;gap:18px;}
.footer-bottom__links a:hover{color:var(--c-primary);}

/* =========================================================
   16. 响应式断点
   ========================================================= */
@media (max-width:1279px){
  :root{--container:960px;}
  h1.hero__title{font-size:38px;}
  .hero__left,.hero__right{grid-column:span 6;}
  .faq-layout{grid-template-columns:300px 1fr;gap:40px;}
}

@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .search{max-width:none;}
  .hero{padding:56px 0 64px;}
  .hero__grid{grid-template-columns:1fr;}
  .hero__left,.hero__right{grid-column:span 12;}
  .hero__right{margin-top:44px;}
  .hero-float{left:16px;bottom:16px;}
  h1.hero__title{font-size:32px;}
  .section-title{font-size:27px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .step-row{grid-template-columns:1fr;gap:26px;padding:30px 0;}
  .step-row--reverse .step-row__figure{order:0;}
  .data-grid{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .data-item:nth-child(3){border-left:0;padding-left:0;}
  .data-item{padding:0 24px;}
  .quote-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:44px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .data-band__head{flex-direction:column;align-items:flex-start;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .topbar{display:none;}
  .nav-main__inner{height:64px;gap:12px;}
  .search{display:none;}
  .brand__text{font-size:15.5px;}
  .chip-row{padding:0 0 12px;}
  .hero{padding:40px 0 52px;}
  h1.hero__title{font-size:28px;line-height:1.32;}
  .hero__sub{font-size:16px;margin-top:14px;}
  .hero__actions .btn{flex:1 1 auto;}
  .hero__trust{margin-top:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-title{font-size:24px;}
  .section-desc{font-size:15px;}
  .pain-grid{grid-template-columns:1fr;}
  .pain-card{padding:22px 20px 22px 26px;}
  .data-band{padding:48px 0;}
  .data-band__head h2{font-size:24px;}
  .data-grid{grid-template-columns:1fr;row-gap:0;}
  .data-item{
    border-left:0;
    padding:20px 0;
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .data-item:last-child{border-bottom:0;}
  .data-item__num{font-size:40px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card__body{padding:20px 20px 22px;}
  .faq__q{padding:18px 20px;font-size:16px;}
  .faq__a p{padding:0 20px 20px;font-size:15px;}
  .cta-band{padding:34px 24px;border-radius:18px;}
  .cta-band h2{font-size:23px;}
  .cta-band__actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .site-footer{margin-top:56px;padding-top:48px;}
}

@media (max-width:479px){
  body{font-size:15px;}
  h1.hero__title{font-size:25px;}
  .section-title{font-size:22px;}
  .news-card__title{font-size:17px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .hero-float{padding:14px 18px;min-width:170px;left:12px;bottom:12px;}
  .hero-float__num{font-size:28px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
/* ================= 设计变量 ================= */
:root{
  --brand:#1D5BD6;
  --brand-d:#1546A8;
  --brand-l:#EAF1FE;
  --brand-grad:linear-gradient(135deg,#1D5BD6 0%,#2E7BE8 100%);
  --accent:#F26B21;
  --accent-l:#FFF1E8;
  --ink:#0F1B2D;
  --text:#42546E;
  --muted:#7B8AA3;
  --line:#E5EAF2;
  --soft:#F5F8FC;
  --dark:#0B1F3A;
  --card:#FFFFFF;
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --sh-1:0 1px 3px rgba(15,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(29,91,214,.18);
  --sh-3:0 16px 40px -16px rgba(29,91,214,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background var(--t);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* ================= 容器 ================= */
.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
  width:100%;
}

/* ================= 顶部工具条 ================= */
.topbar{
  background:var(--soft);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.topbar__inner{
  height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar__left{display:flex;align-items:center;gap:10px;}
.topbar__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  display:inline-block;
}
.topbar__right{display:flex;align-items:center;gap:18px;}
.topbar__right a{color:var(--muted);}
.topbar__right a:hover{color:var(--brand);}

/* ================= 头部与导航 ================= */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  transition:box-shadow var(--t);
}
.site-header.is-stuck{
  box-shadow:var(--sh-1);
  border-bottom:1px solid var(--line);
}
.nav-main__inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--ink);
  font-weight:700;
  letter-spacing:.2px;
}
.brand__mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--brand-grad);
  color:#fff;
  display:grid;
  place-items:center;
  box-shadow:var(--sh-2);
  flex:none;
}
.brand__text{
  font-size:17px;
  white-space:nowrap;
  line-height:1.2;
}
.brand__text em{
  font-style:normal;
  color:var(--brand);
  margin-left:2px;
}
.brand:hover .brand__text em{color:var(--brand-d);}

/* 搜索框 */
.search{
  flex:1 1 auto;
  min-width:200px;
  max-width:560px;
  height:48px;
  display:flex;
  align-items:center;
  gap:8px;
  padding:0 6px 0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t);
}
.search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px var(--brand-l);
}
.search__icon{color:var(--muted);display:grid;place-items:center;flex:none;}
.search input[type="search"]{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--ink);
}
.search input[type="search"]::placeholder{color:var(--muted);}
.search__btn{
  flex:none;
  height:38px;
  padding:0 20px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background var(--t),transform var(--t);
}
.search__btn:hover{background:var(--brand-d);}
.search__btn:active{transform:translateY(1px);}

/* 导航链接 */
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:none;
}
.nav-links a{
  padding:8px 12px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  transition:color var(--t),background var(--t);
}
.nav-links a:hover{color:var(--brand);background:var(--brand-l);}
.nav-links a.is-active{color:#fff;background:var(--brand);font-weight:600;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink);
  place-items:center;
  background:#fff;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* 分类 chip 行 */
.chip-row{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:0 0 14px;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  padding:7px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--text);
  background:#fff;
  transition:all var(--t);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-l);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
}
.btn--primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn--primary:hover{background:var(--brand-d);box-shadow:var(--sh-3);transform:translateY(-2px);color:#fff;}
.btn--primary:active{transform:translateY(0);}
.btn--accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 24px -14px rgba(242,107,33,.55);
}
.btn--accent:hover{background:#d95c17;transform:translateY(-2px);color:#fff;}
.btn--ghost{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
}
.btn--ghost:hover{background:var(--brand-l);color:var(--brand-d);}
.btn--light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.4);
}
.btn--light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--text{
  height:auto;
  padding:0;
  color:var(--brand);
  font-weight:600;
  border:0;
  background:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn--text:hover{color:var(--brand-d);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-l);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.badge--accent{background:var(--accent-l);color:#C24E10;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  color:var(--text);
  transition:all var(--t);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-l);}

/* ================= 页面头部（文章动态区） ================= */
.page-head{
  background:linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:28px 0 40px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:#C3CDDD;}
.breadcrumb .current{color:var(--muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{max-width:860px;}
.article-head h1{
  font-size:36px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.2px;
  margin:16px 0 18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-head h1.is-long{font-size:30px;}
.meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 16px;
  font-size:14px;
  color:var(--muted);
}
.meta-row .dot{color:#C3CDDD;}
.meta-row .author{color:var(--text);font-weight:500;}

/* 封面 */
.article-cover{
  max-width:900px;
  margin:32px auto 0;
  border-radius:var(--r-card);
  overflow:hidden;
  background:#EEF3FA;
  aspect-ratio:16/9;
  box-shadow:var(--sh-2);
}
.article-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* ================= 正文阅读区 ================= */
.article-section{padding:48px 0 0;}
.article-wrap{
  max-width:760px;
  margin:0 auto;
}
.article-body{
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink);
  margin-top:40px;
  padding-left:14px;
  border-left:4px solid var(--brand);
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  margin-top:30px;
}
.article-body p{color:var(--text);}
.article-body a{color:var(--brand);font-weight:500;}
.article-body a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.article-body ul,
.article-body ol{
  list-style:none;
  padding-left:0;
}
.article-body li{
  position:relative;
  padding-left:22px;
  line-height:1.9;
  margin-top:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.75em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--brand);
}
.article-body ol{counter-reset:cmsli;}
.article-body ol li{counter-increment:cmsli;}
.article-body ol li::before{
  content:counter(cmsli);
  position:absolute;
  left:0;
  top:.42em;
  width:18px;height:18px;
  border-radius:6px;
  background:var(--brand-l);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  display:grid;
  place-items:center;
  line-height:1;
}
.article-body blockquote{
  background:var(--brand-l);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  padding:18px 22px;
  color:var(--brand-d);
  font-size:15.5px;
}
.article-body img{
  border-radius:12px;
  margin:26px auto 8px;
  width:100%;
}
.article-body figure figcaption{
  text-align:center;
  font-size:13px;
  color:var(--muted);
  padding:4px 0 8px;
}
.article-body table{
  font-size:14.5px;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.article-body th{
  background:var(--soft);
  color:var(--ink);
  font-weight:600;
  text-align:left;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:#F1F4FA;
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  font-size:13.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color:#2B3A55;
}
.article-body pre{
  background:#F5F8FC;
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px;
  overflow-x:auto;
}
.article-body pre code{background:none;border:0;padding:0;}

/* 标签行 */
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row__label{
  font-size:14px;
  color:var(--muted);
  margin-right:4px;
}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--soft);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state__icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:20px;
  background:#fff;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  color:var(--brand);
}
.empty-state h2{
  font-size:20px;
  color:var(--ink);
  font-weight:600;
  margin-bottom:10px;
}
.empty-state p{
  color:var(--muted);
  font-size:15px;
  margin-bottom:22px;
}

/* ================= 板块通用 ================= */
.section{padding:72px 0;}
.section--soft{background:var(--soft);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:20px;
  margin-bottom:36px;
}
.section-head__text{max-width:640px;}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-l);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
}
.section-head p{
  margin-top:12px;
  font-size:15.5px;
  color:var(--muted);
}

/* ================= 查找提示（编号步骤） ================= */
.step-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.step-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
  border-color:#D7E3FA;
}
.step-card::before{
  content:"";
  position:absolute;
  left:0;
  top:26px;
  bottom:26px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  opacity:.85;
}
.step-card__no{
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.step-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  margin:12px 0 8px;
}
.step-card p{
  font-size:14.5px;
  color:var(--text);
  line-height:1.8;
}

/* ================= 卡片网格 ================= */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
  height:100%;
}
.post-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
  border-color:#D7E3FA;
}
.post-card__cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EEF3FA;
}
.post-card__cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.post-card:hover .post-card__cover img{transform:scale(1.03);}
.post-card__badge{
  position:absolute;
  left:14px;
  top:14px;
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}
.post-card__body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.post-card__body h3{
  font-size:17.5px;
  line-height:1.55;
  font-weight:600;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__body p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__meta{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}
.post-card__more{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ================= FAQ ================= */
.faq-list{
  max-width:900px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq__item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq__item[open]{
  border-color:#CFDEFB;
  box-shadow:var(--sh-2);
}
.faq__item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 56px 20px 22px;
  position:relative;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:14px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:translateY(-50%);
  transition:transform var(--t);
}
.faq__item summary::before{
  content:"";
  position:absolute;
  right:28px;
  top:50%;
  width:2px;
  height:14px;
  border-radius:2px;
  background:var(--brand);
  transform:translateY(-50%);
  transition:transform var(--t),opacity var(--t);
}
.faq__item[open] summary::before{transform:translateY(-50%) scaleY(0);opacity:0;}
.faq__item[open] summary::after{transform:translateY(-50%) rotate(180deg);}
.faq__answer{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--text);
  line-height:1.85;
  border-top:1px solid var(--line);
  padding-top:18px;
  margin:0 0 0;
}

/* ================= CTA 带 ================= */
.cta-band{
  background:var(--dark);
  color:#fff;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(46,123,232,.35) 0%,rgba(11,31,58,0) 70%);
}
.cta-band__inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{
  font-size:28px;
  font-weight:700;
  line-height:1.4;
  color:#fff;
}
.cta-band p{
  margin-top:12px;
  font-size:15.5px;
  color:rgba(255,255,255,.72);
  max-width:620px;
}
.cta-band__actions{display:flex;gap:14px;flex:none;}

/* ================= 页脚 ================= */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand__logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  color:var(--ink);
  font-weight:700;
}
.footer-brand__logo .brand__text{font-size:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--muted);
}
.footer-col ul a:hover{color:var(--brand);}
.footer-search{
  display:flex;
  gap:8px;
  margin-bottom:16px;
}
.footer-search input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  font-size:14px;
  background:#fff;
  outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.footer-search input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-l);
}
.footer-search button{
  flex:none;
  height:44px;
  padding:0 18px;
  border-radius:var(--r-input);
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background var(--t);
}
.footer-search button:hover{background:var(--brand-d);}
.footer-contact{
  font-size:13.5px;
  color:var(--muted);
  line-height:1.8;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  font-size:13px;
  color:var(--muted);
  flex-wrap:wrap;
}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom__links a{color:var(--muted);}
.footer-bottom__links a:hover{color:var(--brand);}

/* ================= 移动端面板 ================= */
.mobile-panel{
  display:none;
  position:fixed;
  inset:0;
  z-index:90;
  background:#fff;
  overflow-y:auto;
  padding:20px 0 40px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:20px;
}
.mobile-panel__close{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  color:var(--ink);
  background:#fff;
}
.mobile-panel__close:hover{border-color:var(--brand);color:var(--brand);}
.mobile-search{
  display:flex;
  align-items:center;
  height:48px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 6px 0 16px;
  margin-bottom:18px;
}
.mobile-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:none;
  background:transparent;
  font-size:15px;
}
.mobile-search button{
  flex:none;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
}
.mobile-panel__label{
  font-size:13px;
  color:var(--muted);
  margin-bottom:12px;
}
.mobile-panel__links{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:24px;
}
.mobile-panel__links a{
  padding:13px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel__links a.is-active{color:var(--brand);font-weight:600;}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .nav-main__inner{gap:16px;}
  .search{max-width:420px;}
  .article-head h1{font-size:33px;}
}

@media (max-width:1023px){
  .container{max-width:960px;}
  .search{max-width:320px;}
  .nav-links{gap:0;}
  .nav-links a{padding:8px 10px;font-size:14px;}
  .nav-cta{display:none;}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:1fr;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-head h1{font-size:30px;}
  .article-body{font-size:16px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .topbar{display:none;}
  .nav-main__inner{height:64px;gap:12px;}
  .brand__text{font-size:16px;}
  .search{display:none;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .site-header{border-bottom:1px solid var(--line);}
  .chip-row{padding-bottom:12px;}
  .page-head{padding:20px 0 30px;}
  .breadcrumb{font-size:13px;gap:6px;margin-bottom:16px;}
  .breadcrumb .current{max-width:180px;}
  .article-head h1{font-size:24px;line-height:1.42;margin:12px 0 14px;}
  .article-head h1.is-long{font-size:22px;}
  .article-cover{margin-top:22px;border-radius:12px;}
  .article-section{padding:32px 0 0;}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .post-card__body{padding:18px;}
  .step-card{padding:22px 20px;}
  .faq__item summary{font-size:15.5px;padding:16px 48px 16px 18px;}
  .faq__answer{padding:16px 18px 20px;font-size:14.5px;}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions{width:100%;flex-direction:column;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

@media (max-width:479px){
  .brand__mark{width:32px;height:32px;}
  .brand__text{font-size:15px;}
  .article-head h1{font-size:21px;}
  .post-card__body h3{font-size:16.5px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-primary:#1D5BD6;
  --c-primary-dark:#1546A8;
  --c-primary-light:#EAF1FE;
  --c-primary-soft:rgba(29,91,214,.08);
  --c-accent:#F26B21;
  --c-accent-dark:#D8551A;
  --t-title:#0F1B2D;
  --t-body:#42546E;
  --t-muted:#7B8AA3;
  --line:#E5EAF2;
  --bg-body:#FFFFFF;
  --bg-soft:#F5F8FC;
  --bg-card:#FFFFFF;
  --bg-dark:#0B1F3A;
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 3px rgba(15,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(29,91,214,.18);
  --sh-3:0 16px 40px -16px rgba(29,91,214,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --tr:180ms var(--ease);
  --container:1200px;
}

/* ===== Reset / Base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-body);
  background:var(--bg-body);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t-title);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr),background var(--tr),border-color var(--tr);}
a:hover{color:var(--c-primary-dark);}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark);}

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

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 24px -12px rgba(242,107,33,.45);}
.btn--accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn--link{padding:0;height:auto;color:var(--c-primary);font-weight:600;border-radius:0;box-shadow:none;}
.btn--link:hover{color:var(--c-primary-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-main__inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  position:relative;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,#1D5BD6,#2E7BE8);
  color:#fff;
  box-shadow:0 6px 16px -8px rgba(29,91,214,.6);
}
.brand__text{
  font-size:18px;
  font-weight:700;
  color:var(--t-title);
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand__text em{font-style:normal;color:var(--c-primary);}

.search{
  flex:1 1 auto;
  max-width:520px;
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 6px 0 16px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft);}
.search__icon{color:var(--t-muted);display:inline-flex;flex:0 0 auto;}
.search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  font-size:15px;
  outline:none;
}
.search input::placeholder{color:var(--t-muted);}
.search__btn{
  flex:0 0 auto;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background var(--tr);
}
.search__btn:hover{background:var(--c-primary-dark);}

.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.nav-links a{
  display:inline-block;
  padding:8px 12px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  color:var(--t-body);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary);background:var(--c-primary-light);}
.nav-links a.is-active{color:var(--c-primary);background:var(--c-primary-light);font-weight:600;}
.nav-cta{flex:0 0 auto;}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  color:var(--t-title);
  background:#fff;
  transition:border-color var(--tr),color var(--tr);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

.chip-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 0 14px;
  overflow-x:auto;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t-body);
  font-size:14px;
  white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--t-muted);
  padding:20px 0 0;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--t-body);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .is-current{color:var(--t-muted);}

/* ===== 分类 Hero ===== */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:20px;
  overflow:hidden;
  background-image:linear-gradient(120deg,rgba(11,31,58,.86),rgba(29,91,214,.72)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero__inner{
  padding:64px 56px 56px;
  max-width:760px;
}
.page-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  font-size:13px;
  letter-spacing:.4px;
  color:#fff;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:42px;
  line-height:1.25;
  letter-spacing:-.4px;
}
.page-hero h1 span{color:#FFD9C2;}
.page-hero__lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.88);
  max-width:640px;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.page-hero .btn--ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff;}
.page-hero .btn--ghost:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;}
.page-hero__facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}
.fact-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);
  font-size:14px;
  color:rgba(255,255,255,.92);
}
.fact-pill svg{flex:0 0 auto;}

/* ===== 通用板块 ===== */
.section{padding:80px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head__text{max-width:680px;}
.section-head h2{font-size:30px;letter-spacing:-.2px;}
.section-head p{margin-top:12px;font-size:16px;color:var(--t-body);}
.eyebrow-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.6px;
  margin-bottom:12px;
}

/* ===== 筛选栏 ===== */
.filter-bar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:16px 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  margin-bottom:32px;
}
.filter-bar__label{
  font-size:14px;
  font-weight:600;
  color:var(--t-title);
  margin-right:4px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 15px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t-body);
  font-size:14px;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.filter-chip:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary);}
.filter-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.filter-bar__count{
  margin-left:auto;
  font-size:14px;
  color:var(--t-muted);
}

/* ===== 卡片网格 ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E2F7;}
.news-card__cover{
  position:relative;
  aspect-ratio:16/10;
  background:#EEF3FA;
  overflow:hidden;
}
.news-card__cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.news-card:hover .news-card__cover img{transform:scale(1.03);}
.news-card__body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  padding:22px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
}
.badge--accent{background:rgba(242,107,33,.12);color:var(--c-accent-dark);}
.news-card h3{
  margin-top:14px;
  font-size:18px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card h3 a{color:inherit;}
.news-card h3 a:hover{color:var(--c-primary);}
.news-card__desc{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--t-body);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__meta{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--t-muted);
}
.news-card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t-muted);}
.news-card__foot{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
}
.news-card__foot .arrow{transition:transform var(--tr);}
.news-card:hover .news-card__foot .arrow{transform:translateX(4px);}

/* ===== 分页 ===== */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:48px;
  flex-wrap:wrap;
}
.pager a,.pager span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--t-body);
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light);}
.pager .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.pager .is-disabled{color:var(--t-muted);opacity:.6;pointer-events:none;}

/* ===== 数据带 ===== */
.stats-band{
  background:var(--bg-dark);
  color:#fff;
  padding:64px 0;
}
.stats-band h2{color:#fff;font-size:28px;}
.stats-band__lead{margin-top:14px;color:rgba(255,255,255,.72);max-width:640px;font-size:16px;}
.stats-grid{
  margin-top:44px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat-item{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.14);
}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item__num{
  font-size:48px;
  font-weight:700;
  line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
}
.stat-item__num small{font-size:18px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.7);}
.stat-item__label{
  margin-top:12px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  line-height:1.6;
}

/* ===== 阅读路径 ===== */
.path-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 28px;
}
.path-item{
  display:flex;
  gap:20px;
  padding:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--tr),transform var(--tr);
}
.path-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.path-item__num{
  flex:0 0 auto;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.path-item h3{font-size:18px;}
.path-item p{margin-top:8px;font-size:14.5px;color:var(--t-body);}

/* ===== 图文两栏 ===== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split--reverse .split__media{order:2;}
.split__media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#EEF3FA;
  box-shadow:var(--sh-2);
}
.split__media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
.split h2{font-size:30px;}
.split p{margin-top:16px;font-size:16px;line-height:1.85;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:15px;
  color:var(--t-body);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--c-primary-light);
  border:2px solid var(--c-primary);
  box-sizing:border-box;
}

/* ===== FAQ ===== */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item:hover{border-color:#D6E2F7;}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:#D6E2F7;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--t-title);
}
.faq-q__icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:18px;
  line-height:1;
  transition:transform var(--tr),background var(--tr),color var(--tr);
}
.faq-item.is-open .faq-q__icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms var(--ease);
}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a__inner{
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--t-body);
  border-top:1px solid var(--line);
  padding-top:18px;
  margin:0 24px 24px;
  padding-left:0;
  padding-right:0;
  padding-bottom:0;
}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(135deg,#1D5BD6,#2E7BE8);
  border-radius:20px;
  padding:56px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.86);max-width:560px;font-size:16px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.cta-band .btn--accent{box-shadow:0 10px 26px -12px rgba(0,0,0,.4);}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:80px;
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand__logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand p{font-size:14.5px;color:var(--t-body);max-width:340px;}
.footer-col h3{
  font-size:15px;
  margin-bottom:18px;
  color:var(--t-title);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:var(--t-body);}
.footer-col a:hover{color:var(--c-primary);}
.footer-search{
  display:flex;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:6px;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.footer-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft);}
.footer-search input{
  flex:1 1 auto;
  min-width:0;
  height:36px;
  border:0;
  background:transparent;
  padding:0 10px;
  font-size:14px;
  outline:none;
}
.footer-search button{
  flex:0 0 auto;
  height:36px;
  padding:0 16px;
  border-radius:8px;
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background var(--tr);
}
.footer-search button:hover{background:var(--c-primary-dark);}
.footer-contact{margin-top:16px;font-size:13.5px;color:var(--t-muted);line-height:1.8;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t-muted);
}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom__links a{color:var(--t-muted);}
.footer-bottom__links a:hover{color:var(--c-primary);}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:960px;}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .page-hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .search{
    display:none;
    position:absolute;
    left:0;right:0;top:100%;
    max-width:none;
    border-radius:0;
    border-left:0;border-right:0;
    padding:14px 24px;
    height:auto;
    background:#fff;
    box-shadow:var(--sh-2);
  }
  body.search-open .search{display:flex;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split--reverse .split__media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero__inner{padding:48px 36px 44px;}
  .section{padding:64px 0;}
  .cta-band{padding:40px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .brand__text{font-size:16px;}
  .nav-main__inner{height:64px;gap:12px;}
  .page-hero{border-radius:16px;}
  .page-hero h1{font-size:27px;}
  .page-hero__inner{padding:36px 24px 34px;}
  .page-hero__lead{font-size:15.5px;}
  .section{padding:48px 0;}
  .section-head h2,.split h2,.stats-band h2,.cta-band h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .path-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-left:0;padding:0 0 24px;}
  .stat-item__num{font-size:38px;}
  .filter-bar__count{margin-left:0;width:100%;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px 20px;}
  .faq-q__icon{width:24px;height:24px;font-size:16px;}
}
@media (max-width:479px){
  .page-hero h1{font-size:24px;}
  .btn{width:100%;}
  .page-hero__actions,.cta-band__actions{width:100%;}
  .filter-chip{font-size:13px;height:32px;padding:0 12px;}
  .news-card__body{padding:16px;}
  .path-item{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* 服务端渲染的 CMS 列表片段占位样式 */
.cms-list{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));}
.cms-list:empty{display:none;}
@media (max-width:1023px){.cms-list{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:767px){.cms-list{grid-template-columns:1fr;}}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#1D5BD6;
  --c-primary-d:#1546A8;
  --c-primary-l:#EAF1FE;
  --c-accent:#F26B21;
  --c-accent-d:#D85512;
  --c-title:#0F1B2D;
  --c-text:#42546E;
  --c-muted:#7B8AA3;
  --c-line:#E5EAF2;
  --c-soft:#F5F8FC;
  --c-card:#FFFFFF;
  --c-dark:#0B1F3A;
  --c-skeleton:#EEF3FA;
  --grad:linear-gradient(135deg,#1D5BD6 0%,#2E7BE8 100%);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 3px rgba(15,27,45,.05);
  --sh-2:0 8px 24px -12px rgba(29,91,214,.18);
  --sh-3:0 16px 40px -16px rgba(29,91,214,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-card);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);}
img{max-width:100%;display:block;border:0;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.btn--primary:hover{background:var(--c-primary-d);box-shadow:var(--sh-3);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px -12px rgba(242,107,33,.6);}
.btn--accent:hover{background:var(--c-accent-d);transform:translateY(-2px);box-shadow:0 16px 36px -16px rgba(242,107,33,.6);}
.btn--accent:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);}
.btn--ghost-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--c-primary);}
.btn--light:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn:disabled{opacity:.4;pointer-events:none;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--c-primary);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-main__inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-title);
  font-size:17px;
  font-weight:700;
  letter-spacing:.2px;
}
.brand__mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  display:grid;
  place-items:center;
  flex-shrink:0;
}
.brand__text em{
  font-style:normal;
  color:var(--c-primary);
}
.search{
  position:relative;
  flex:1 1 46%;
  max-width:560px;
  display:flex;
  align-items:center;
  height:48px;
  padding:0 6px 0 46px;
  background:var(--c-soft);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.search:focus-within{
  background:#fff;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(29,91,214,.12);
}
.search__icon{
  position:absolute;
  left:16px;
  top:50%;
  transform:translateY(-50%);
  color:var(--c-muted);
  display:grid;
  place-items:center;
}
.search input[type="search"]{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--c-title);
}
.search input::placeholder{color:var(--c-muted);}
.search__btn{
  flex-shrink:0;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color var(--dur) var(--ease);
}
.search__btn:hover{background:var(--c-primary-d);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-links a{
  display:inline-block;
  padding:9px 12px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  white-space:nowrap;
}
.nav-links a:hover{background:var(--c-primary-l);color:var(--c-primary);}
.nav-links a.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600;}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--c-line);
  color:var(--c-text);
  place-items:center;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.chip-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 0 14px;
  overflow-x:auto;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex-shrink:0;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-text);
  font-size:13px;
  line-height:1.6;
  transition:all var(--dur) var(--ease);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(118deg,rgba(11,31,58,.94) 0%,rgba(19,56,120,.84) 52%,rgba(29,91,214,.66) 100%);
}
.hero__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  padding-top:64px;
  padding-bottom:72px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb em{font-style:normal;color:rgba(255,255,255,.58);}
.hero__tag{
  display:inline-block;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:rgba(242,107,33,.16);
  border:1px solid rgba(242,107,33,.5);
  color:#FFC9A6;
  font-size:13px;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.hero h1{
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  color:#fff;
  letter-spacing:.4px;
}
.hero__sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:560px;
}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.trust{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
}
.trust li{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border:1px solid rgba(255,255,255,.36);
  border-radius:var(--r-pill);
  font-size:13px;
  color:rgba(255,255,255,.92);
}
.trust svg{flex-shrink:0;color:#8FC0FF;}
.hero__media{
  position:relative;
}
.hero__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:18px;
  box-shadow:0 30px 70px -28px rgba(3,12,28,.75);
}
.hero__stat{
  position:absolute;
  left:-18px;
  bottom:-22px;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:16px 22px;
  background:#fff;
  border-radius:14px;
  box-shadow:var(--sh-3);
}
.hero__stat strong{
  font-size:30px;
  line-height:1.1;
  color:var(--c-title);
  font-variant-numeric:tabular-nums;
}
.hero__stat span{font-size:13px;color:var(--c-muted);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section--soft{background:var(--c-soft);}
.section-head{margin-bottom:36px;}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  color:var(--c-title);
}
.section-head p{
  margin-top:12px;
  font-size:16px;
  color:var(--c-muted);
  max-width:720px;
}
.badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
}

/* ============ 使用指南布局 ============ */
.guide-layout{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.toc{
  position:sticky;
  top:148px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
}
.toc h2{
  font-size:15px;
  font-weight:700;
  color:var(--c-title);
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:10px;
}
.toc ol li a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--c-text);
  transition:all var(--dur) var(--ease);
}
.toc ol li a i{
  font-style:normal;
  font-size:12px;
  color:var(--c-muted);
  font-variant-numeric:tabular-nums;
}
.toc ol li a:hover{background:var(--c-soft);color:var(--c-primary);}
.toc ol li a.is-current{background:var(--c-primary-l);color:var(--c-primary);font-weight:600;}
.toc ol li a.is-current i{color:var(--c-primary);}
.toc__note{
  margin-top:14px;
  padding-top:14px;
  border-top:1px dashed var(--c-line);
  font-size:13px;
  line-height:1.7;
  color:var(--c-muted);
}

.guide-intro{
  background:#fff;
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:24px;
  margin-bottom:36px;
  box-shadow:var(--sh-1);
}
.guide-intro h2{
  font-size:22px;
  font-weight:700;
  color:var(--c-title);
  margin-bottom:10px;
}
.guide-intro p{font-size:15px;line-height:1.85;}

.guide-block{margin-bottom:44px;scroll-margin-top:160px;}
.guide-block:last-of-type{margin-bottom:32px;}
.guide-block > h2{
  position:relative;
  font-size:24px;
  font-weight:700;
  color:var(--c-title);
  padding-left:14px;
  margin-bottom:8px;
}
.guide-block > h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.guide-block > .guide-block__desc{
  font-size:15px;
  color:var(--c-muted);
  margin-bottom:20px;
  padding-left:14px;
}

.g-row{
  display:grid;
  grid-template-columns:270px minmax(0,1fr);
  gap:24px;
  align-items:start;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  margin-bottom:18px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.g-row:hover{
  box-shadow:var(--sh-3);
  transform:translateY(-2px);
  border-color:transparent;
}
.g-row__media{
  position:relative;
  aspect-ratio:16/10;
  border-radius:12px;
  overflow:hidden;
  background:var(--c-skeleton);
}
.g-row__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.g-row:hover .g-row__media img{transform:scale(1.03);}
.g-row__body h3{
  font-size:19px;
  font-weight:600;
  color:var(--c-title);
  line-height:1.45;
  margin:10px 0 8px;
}
.g-row__body p{
  font-size:15px;
  line-height:1.85;
  margin-bottom:14px;
}
.g-row__meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:6px;
}
.g-row__meta span{display:inline-flex;align-items:center;gap:6px;}

.load-more{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  margin:36px 0 24px;
}
.load-more p{font-size:13px;color:var(--c-muted);}

.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  flex-wrap:wrap;
  padding-top:20px;
  border-top:1px solid var(--c-line);
}
.pager a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-text);
  font-size:14px;
  transition:all var(--dur) var(--ease);
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.pager a.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.pager a.is-disabled{color:var(--c-muted);opacity:.55;pointer-events:none;}

/* ============ 适用场景 ============ */
.scene-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
}
.scene{
  display:flex;
  gap:18px;
  padding:24px 0;
  border-top:1px dashed var(--c-line);
}
.scene__no{
  flex-shrink:0;
  width:44px;
  height:44px;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--c-line);
  color:var(--c-primary);
  font-size:15px;
  font-weight:700;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.scene h3{
  font-size:17px;
  font-weight:600;
  color:var(--c-title);
  margin-bottom:6px;
}
.scene p{font-size:14px;line-height:1.85;color:var(--c-text);}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;}
.faq__item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.faq__item:hover{border-color:#CFDCF0;}
.faq__item.is-open{box-shadow:var(--sh-2);border-color:#CFDCF0;}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--c-title);
  line-height:1.6;
}
.faq__icon{
  position:relative;
  flex-shrink:0;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--c-primary-l);
}
.faq__icon::before,
.faq__icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--c-primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq__icon::before{width:10px;height:2px;}
.faq__icon::after{width:2px;height:10px;}
.faq__item.is-open .faq__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq__item.is-open .faq__a{max-height:360px;}
.faq__a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:48px;
  border-radius:20px;
  background:var(--grad);
  color:#fff;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-band h2{
  font-size:28px;
  font-weight:700;
  line-height:1.35;
  position:relative;
  z-index:1;
}
.cta-band p{
  position:relative;
  z-index:1;
  margin-top:10px;
  font-size:15px;
  color:rgba(255,255,255,.86);
  max-width:560px;
}
.cta-band__actions{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex-shrink:0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.7);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand__logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand__logo .brand__mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  display:grid;
  place-items:center;
}
.footer-brand__logo .brand__text em{font-style:normal;color:#8FC0FF;}
.footer-brand p{line-height:1.9;font-size:14px;max-width:340px;}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col ul li a:hover{color:#fff;}
.footer-search{
  display:flex;
  gap:8px;
  margin-bottom:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-input);
  padding:5px 5px 5px 14px;
  transition:border-color var(--dur) var(--ease);
}
.footer-search:focus-within{border-color:#5E96F0;}
.footer-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  color:#fff;
  font-size:14px;
  height:34px;
}
.footer-search input::placeholder{color:rgba(255,255,255,.45);}
.footer-search button{
  flex-shrink:0;
  padding:0 16px;
  height:34px;
  border-radius:9px;
  background:var(--c-primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
  transition:background-color var(--dur) var(--ease);
}
.footer-search button:hover{background:var(--c-primary-d);}
.footer-contact{font-size:13px;line-height:1.9;color:rgba(255,255,255,.55);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom__links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom__links a{color:rgba(255,255,255,.6);font-size:13px;}
.footer-bottom__links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero h1{font-size:38px;}
  .hero__inner{gap:40px;}
  .guide-layout{grid-template-columns:220px minmax(0,1fr);gap:28px;}
  .g-row{grid-template-columns:240px minmax(0,1fr);}
  .toc{top:140px;}
}

@media (max-width:1023px){
  .container{max-width:100%;padding:0 20px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .nav-main__inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px;min-height:0;}
  .brand{order:1;}
  .search{order:3;display:none;flex:0 0 100%;max-width:none;}
  .site-header.is-search-open .search{display:flex;}
  .search{height:46px;}
  .chip-row{padding:0 0 12px;}
  .hero__inner{grid-template-columns:1fr;gap:40px;padding-top:44px;padding-bottom:72px;}
  .hero__media{max-width:600px;}
  .hero__stat{left:auto;right:0;bottom:-20px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .guide-layout{grid-template-columns:1fr;gap:24px;}
  .toc{position:static;}
  .toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 12px;}
  .scene-list{gap:0 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
}

@media (max-width:767px){
  .section{padding:48px 0;}
  .hero h1{font-size:28px;}
  .hero__sub{font-size:15px;}
  .hero__actions .btn{flex:1 1 auto;justify-content:center;}
  .hero__stat{padding:12px 16px;}
  .hero__stat strong{font-size:24px;}
  .g-row{grid-template-columns:1fr;padding:16px;}
  .g-row__body h3{font-size:17px;}
  .scene-list{grid-template-columns:1fr;}
  .faq__q{font-size:16px;padding:17px 18px;}
  .faq__a-inner{padding:0 18px 18px;}
  .guide-block > h2{font-size:21px;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;justify-content:center;}
  .toc ol{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:519px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .brand{font-size:15px;}
  .brand__mark{width:30px;height:30px;}
  .hero h1{font-size:26px;}
  .g-row{padding:14px;}
  .guide-intro{padding:18px;}
  .faq__q{font-size:15px;}
  .pager a{min-width:36px;height:36px;padding:0 10px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}