/* roulang page: index */
/* =========================================================
   设计系统变量
   ========================================================= */
:root{
  --c-primary:#1E5EA8;
  --c-primary-deep:#133E73;
  --c-primary-soft:#E7F0FA;
  --c-accent:#F0742A;
  --c-accent-deep:#D9611B;
  --c-accent-soft:#FEF0E6;
  --c-mint:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3E8EF;
  --c-ink:#17202B;
  --c-ink-2:#4A5563;
  --c-ink-3:#8A94A2;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,43,.04),0 8px 24px -12px rgba(23,32,43,.12);
  --sh-2:0 12px 32px -12px rgba(30,94,168,.22);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1200px;
  --gap:24px;
}

/* =========================================================
   基础 reset
   ========================================================= */
*,*::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",sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* =========================================================
   容器与区块
   ========================================================= */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-surface);}
.section-head{margin-bottom:40px;}
.section-head__top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  letter-spacing:.04em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);border-radius:2px;}
.section-title{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;font-weight:700;letter-spacing:-.3px;color:var(--c-ink);
}
.section-sub{margin-top:12px;font-size:15px;color:var(--c-ink-2);max-width:720px;}

/* =========================================================
   按钮 / 标签 / 链接
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:700;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -10px rgba(240,116,42,.7);}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn--light{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5);}
.btn--light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn--block{width:100%;}

.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;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-more:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.link-more::after{content:"→";font-size:14px;}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:500;line-height:1;
}
.chip--accent{background:var(--c-accent-soft);color:var(--c-accent-deep);}
.chip--mint{background:rgba(22,163,148,.12);color:#0F7E73;}

/* =========================================================
   顶部导航
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(23,32,43,.03);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-compact{box-shadow:0 6px 20px -14px rgba(23,32,43,.35);}
.brand-row{display:flex;align-items:center;gap:22px;height:64px;transition:height .2s var(--ease);}
.site-header.is-compact .brand-row{height:54px;}
.logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0;}
.logo__main{
  font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--c-ink);line-height:1;
}
.logo__main:hover{color:var(--c-primary);}
.logo__sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.02em;}
.site-nav{display:flex;align-items:center;gap:4px;flex-shrink:0;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:14px;font-weight:500;color:var(--c-ink-2);border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;}
.search-box input{
  width:200px;height:38px;padding:0 14px 0 36px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:#FBFCFE;color:var(--c-ink);font-size:13px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),width .2s var(--ease);
}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,94,168,.12);width:230px;}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--c-ink-3);}
.header-cta{height:40px;padding:0 20px;font-size:14px;}
.trend-bar{border-top:1px solid var(--c-line);background:#FBFCFE;}
.trend-row{display:flex;align-items:center;gap:10px;height:40px;overflow-x:auto;scrollbar-width:none;}
.trend-row::-webkit-scrollbar{display:none;}
.trend-label{font-size:12px;color:var(--c-ink-3);flex-shrink:0;font-weight:600;}
.trend-item{
  flex-shrink:0;display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);transition:all .2s var(--ease);
}
.trend-item:hover{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent-deep);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;border:1px solid var(--c-line);background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;z-index:90;
  background:#fff;box-shadow:12px 0 40px -20px rgba(23,32,43,.4);
  transform:translateX(-104%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px 0 0;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 18px;border-bottom:1px solid var(--c-line);}
.drawer__close{width:36px;height:36px;border-radius:50%;background:var(--c-bg);font-size:20px;line-height:1;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;}
.drawer__nav{flex:1;overflow-y:auto;padding:10px 0;}
.drawer__link{display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px;color:var(--c-ink);border-left:3px solid transparent;}
.drawer__link:hover,.drawer__link.is-active{color:var(--c-primary);background:var(--c-primary-soft);border-left-color:var(--c-primary);}
.drawer__foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,32,43,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  background:linear-gradient(180deg,#F2F6FC 0%,#F5F7FA 100%);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,94,168,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,94,168,.06) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.hero__inner{position:relative;padding:64px 0 72px;min-height:560px;display:flex;align-items:center;}
.hero__grid{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center;width:100%;}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.hero__badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  font-size:13px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.hero__badge svg{width:15px;height:15px;stroke:var(--c-mint);fill:none;stroke-width:1.75;}
.hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.6px;
  color:var(--c-ink);margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero__lead{font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:560px;margin-bottom:28px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero__note{margin-top:20px;font-size:13px;color:var(--c-ink-3);}
.hero__media{position:relative;}
.hero__frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16 / 11;box-shadow:0 24px 60px -32px rgba(19,62,115,.55);
  border:1px solid rgba(30,94,168,.14);
}
.hero__frame img{width:100%;height:100%;object-fit:cover;}
.hero__frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(19,62,115,.05) 0%,rgba(19,62,115,.42) 100%);
}
.hero__stat{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:0 18px 40px -22px rgba(23,32,43,.4);
  display:flex;align-items:center;gap:14px;min-width:210px;
}
.hero__stat-num{font-size:32px;font-weight:700;line-height:1;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero__stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.hero__stat-text{font-size:13px;color:var(--c-ink-2);line-height:1.5;}

/* =========================================================
   痛点提问条
   ========================================================= */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pain-card{
  background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-accent);
  border-radius:var(--r-sm);padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,94,168,.3);border-left-color:var(--c-accent);}
.pain-card__icon{width:22px;height:22px;margin-bottom:12px;stroke:var(--c-accent);fill:none;stroke-width:1.75;}
.pain-card h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.pain-card p{font-size:13.5px;line-height:1.7;color:var(--c-ink-3);}

/* =========================================================
   方案区（非对称）
   ========================================================= */
.plans{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;}
.plan-main{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.plan-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,94,168,.3);}
.plan-main__media{aspect-ratio:16 / 9;overflow:hidden;}
.plan-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.plan-main:hover .plan-main__media img{transform:scale(1.03);}
.plan-main__body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.plan-main__body h3{font-size:20px;font-weight:700;margin-bottom:12px;line-height:1.4;}
.plan-main__body p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin-bottom:16px;}
.check-list{margin-bottom:20px;display:grid;gap:10px;}
.check-list li{position:relative;padding-left:24px;font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--c-primary-soft);
  box-shadow:inset 0 0 0 1.5px var(--c-primary);
}
.plan-main__body .link-more{margin-top:auto;}

.plan-side{display:grid;gap:24px;grid-template-rows:repeat(3,1fr);}
.strip-card{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,94,168,.3);}
.strip-card__icon{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.strip-card__icon svg{width:20px;height:20px;stroke:var(--c-primary);fill:none;stroke-width:1.75;}
.strip-card__body h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:6px;}
.strip-card__body p{font-size:13.5px;line-height:1.7;color:var(--c-ink-3);}
.strip-card__body a{font-size:13px;font-weight:600;color:var(--c-primary);}
.strip-card__body a:hover{color:var(--c-accent);}

/* =========================================================
   数据带
   ========================================================= */
.databar{
  background:var(--c-primary-deep);
  padding:34px 0;
  position:relative;overflow:hidden;
}
.databar::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  border:1px solid rgba(255,255,255,.12);border-radius:50%;pointer-events:none;
}
.databar__grid{display:grid;grid-template-columns:repeat(4,1fr);}
.databar__item{padding:6px 26px;border-left:1px solid rgba(255,255,255,.18);}
.databar__item:first-child{border-left:0;padding-left:0;}
.databar__num{
  font-size:clamp(34px,4vw,48px);font-weight:700;line-height:1;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.databar__num small{font-size:14px;font-weight:600;margin-left:4px;letter-spacing:0;}
.databar__label{margin-top:10px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.6;}

/* =========================================================
   资讯卡片列表
   ========================================================= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,94,168,.3);}
.news-card__media{aspect-ratio:16 / 9;overflow:hidden;background:var(--c-primary-soft);display:block;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-card__body .chip{align-self:flex-start;margin-bottom:12px;}
.news-card__title{
  font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__title a{color:var(--c-ink);}
.news-card__title a:hover{color:var(--c-primary);}
.news-card__desc{
  font-size:14px;line-height:1.7;color:var(--c-ink-3);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-ink-3);
}
.news-card__meta .arrow{color:var(--c-primary);font-weight:600;}
.empty-card{
  grid-column:1 / -1;min-height:180px;border:1px dashed var(--c-line);border-radius:var(--r-md);
  background:rgba(255,255,255,.7);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--c-ink-3);font-size:14px;text-align:center;padding:24px;
}

/* =========================================================
   频道卡片
   ========================================================= */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;display:block;
  border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.channel-card__media{position:relative;aspect-ratio:16 / 10;overflow:hidden;}
.channel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.channel-card:hover .channel-card__media img{transform:scale(1.03);}
.channel-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(19,62,115,.15) 0%,rgba(19,62,115,.78) 100%);
}
.channel-card__tag{
  position:absolute;left:18px;top:18px;z-index:2;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--c-primary);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.channel-card__title{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  color:#fff;font-size:19px;font-weight:700;line-height:1.4;
}
.channel-card__body{padding:18px 20px 22px;}
.channel-card__body p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin-bottom:12px;}

/* =========================================================
   FAQ
   ========================================================= */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start;}
.faq-aside p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin-top:14px;}
.faq-aside .btn{margin-top:22px;}
.site-faq.accordion{background:transparent;margin:0;}
.site-faq .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;position:relative;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-faq .accordion-item:hover{border-color:rgba(30,94,168,.3);}
.site-faq .accordion-item.is-active{box-shadow:var(--sh-1);border-color:rgba(30,94,168,.35);}
.site-faq .accordion-title{
  border:0;background:#fff;padding:18px 54px 18px 22px;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;
  transition:color .2s var(--ease);
}
.site-faq .accordion-title:hover{color:var(--c-primary);}
.site-faq .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;text-align:center;font-size:20px;font-weight:400;line-height:1;
  color:var(--c-primary);margin:0;
}
.site-faq .accordion-item.is-active > .accordion-title::before{content:"−";color:var(--c-accent);}
.site-faq .accordion-content{
  border:0;border-top:1px solid var(--c-line);
  padding:16px 22px 18px;background:#FCFDFF;
  font-size:15px;line-height:1.85;color:var(--c-ink-2);
}
.site-faq .accordion-item.is-active .accordion-content{border-left:3px solid var(--c-primary);padding-left:19px;}

/* =========================================================
   CTA / 表单
   ========================================================= */
.cta-band{
  background:var(--c-primary);border-radius:22px;padding:52px 48px;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-90px;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-70px;width:200px;height:200px;
  border:1px solid rgba(255,255,255,.12);border-radius:50%;
}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;margin-bottom:14px;}
.cta-copy p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);margin-bottom:22px;max-width:460px;}
.cta-list{display:grid;gap:10px;margin-bottom:24px;}
.cta-list li{position:relative;padding-left:22px;font-size:14px;color:rgba(255,255,255,.86);}
.cta-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
}
.form-card{background:#fff;border-radius:var(--r-lg);padding:30px;box-shadow:0 24px 60px -30px rgba(0,0,0,.5);}
.form-card h3{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.form-card__hint{font-size:13px;color:var(--c-ink-3);margin-bottom:22px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--c-ink-2);}
.field input,.field textarea{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:10px;
  padding:0 14px;background:#FCFDFF;color:var(--c-ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 3px rgba(30,94,168,.12);
}
.form-privacy{
  grid-column:1 / -1;display:flex;align-items:flex-start;gap:8px;
  font-size:12.5px;color:var(--c-ink-3);line-height:1.6;margin-top:4px;
}
.form-privacy input{width:18px;height:18px;flex-shrink:0;margin-top:2px;accent-color:var(--c-primary);}
.form-privacy a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px;}
.form-safe{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--c-mint);font-weight:600;}
.form-safe svg{width:16px;height:16px;stroke:var(--c-mint);fill:none;stroke-width:1.9;}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{background:var(--c-primary-deep);color:#fff;margin-top:88px;}
.footer-top{padding:64px 0 44px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand .logo__main{color:#fff;font-size:18px;}
.footer-brand .logo__main:hover{color:#fff;}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);max-width:300px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.26);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.footer-social a:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.footer-social svg{width:15px;height:15px;fill:currentColor;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px 26px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;}

/* =========================================================
   返回顶部
   ========================================================= */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;z-index:70;
  box-shadow:0 12px 28px -14px rgba(30,94,168,.7);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .24s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary);color:#fff;}
.to-top svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;}

/* =========================================================
   Foundation 弹层覆盖
   ========================================================= */
.reveal-overlay{background:rgba(23,32,43,.55);}
.reveal{
  width:520px;border-radius:16px;border:0;padding:32px;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.6);
}
.reveal h3{font-size:19px;font-weight:700;margin-bottom:12px;}
.reveal p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);margin-bottom:14px;}
.reveal .close-button{
  width:32px;height:32px;border-radius:50%;background:var(--c-bg);
  color:var(--c-ink-2);font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;right:16px;top:16px;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1100px){
  .header-tools .search-box input{width:150px;}
  .header-tools .search-box input:focus{width:180px;}
  .hero__grid{grid-template-columns:1fr;gap:44px;}
  .hero__inner{min-height:auto;padding:52px 0 64px;}
  .hero__frame{aspect-ratio:16 / 9;}
  .hero__stat{left:auto;right:18px;bottom:-18px;}
  .plans{grid-template-columns:1fr;}
  .plan-side{grid-template-rows:none;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:1024px){
  .site-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-tools .search-box{display:none;}
  .header-cta{display:none;}
  .section{padding:64px 0;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .databar__grid{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .databar__item:nth-child(3){border-left:0;padding-left:0;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .channel-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-top{padding:48px 0 34px;}
  .footer-bottom{justify-content:flex-start;}
  .hero__stat{left:14px;right:14px;bottom:-16px;min-width:0;}
  .plan-main__body{padding:20px 20px 22px;}
  .strip-card{padding:18px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:40px 0;}
  .hero__inner{padding:36px 0 56px;}
  .hero__frame{aspect-ratio:4 / 3;}
  .hero__actions .btn{width:100%;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .databar{padding:28px 0;}
  .databar__grid{grid-template-columns:1fr;gap:22px;}
  .databar__item{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;}
  .databar__item:first-child{border-top:0;padding-top:0;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .form-card{padding:22px 20px;}
  .form-actions .btn{width:100%;}
  .reveal{width:auto;left:0;right:0;bottom:0;top:auto;margin:0;border-radius:16px 16px 0 0;max-width:none;padding:26px 20px 30px;}
  .to-top{right:16px;bottom:18px;width:44px;height:44px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --c-primary:#1E5EA8; --c-primary-deep:#133E73; --c-primary-soft:#E7F0FA;
  --c-accent:#F0742A; --c-accent-deep:#D9611B; --c-accent-soft:#FEF0E6;
  --c-mint:#16A394; --c-bg:#F5F7FA; --c-surface:#FFFFFF; --c-line:#E3E8EF;
  --c-ink:#17202B; --c-ink-2:#4A5563; --c-ink-3:#8A94A2;
  --radius-s:10px; --radius:14px; --radius-l:18px;
  --shadow-1:0 1px 2px rgba(23,32,43,.04), 0 8px 24px -12px rgba(23,32,43,.12);
  --shadow-hover:0 12px 32px -12px rgba(30,94,168,.22);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-s);
  font-weight:700;font-size:15px;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px}
.btn--on-dark{background:#fff;color:var(--c-primary-deep)}
.btn--on-dark:hover{background:var(--c-accent-soft);color:var(--c-accent-deep)}
.link-more{font-weight:600;font-size:14px;color:var(--c-primary);border-bottom:2px solid rgba(30,94,168,.3);padding-bottom:2px}
.link-more:hover{color:var(--c-accent);border-color:rgba(240,116,42,.5)}

/* 标签 / 徽章 */
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:500;letter-spacing:.02em;
}
.chip--accent{background:var(--c-accent-soft);color:var(--c-accent-deep)}
.chip--mint{background:rgba(22,163,148,.12);color:#0F7D71}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);border-bottom:1px solid var(--c-line);box-shadow:0 1px 2px rgba(23,32,43,.04)}
.header-main__inner{display:flex;align-items:center;gap:20px;min-height:62px;transition:min-height .2s var(--ease)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px}
.logo__sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.04em}
.nav-search{position:relative;flex:1 1 auto;max-width:360px}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:none;stroke:var(--c-ink-3);stroke-width:1.75}
.nav-search input{
  width:100%;height:38px;border-radius:999px;border:1px solid var(--c-line);
  background:#F8FAFC;padding:0 16px 0 38px;color:var(--c-ink);font-size:14px;outline:none;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}
.nav-search input::placeholder{color:var(--c-ink-3)}
.nav-search input:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(30,94,168,.12)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink)}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.header-channels{border-top:1px solid var(--c-line);background:#fff}
.header-channels__inner{display:flex;align-items:center;gap:24px;min-height:46px}
.site-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;color:var(--c-ink-2);font-weight:500;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.trend-bar{display:flex;align-items:center;gap:8px;margin-left:auto;overflow:hidden}
.trend-bar__label{font-size:13px;color:var(--c-ink-3);white-space:nowrap}
.trend-chip{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;background:#F5F7FA;color:var(--c-ink-2);font-size:13px;white-space:nowrap;transition:background-color .2s var(--ease),color .2s var(--ease)}
.trend-chip:hover{background:var(--c-accent-soft);color:var(--c-accent-deep)}
.site-header.is-compact .header-main__inner{min-height:52px}
.site-header.is-compact .logo__sub{display:none}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(-102%);transition:transform .24s var(--ease);box-shadow:0 12px 40px rgba(23,32,43,.18);
  display:flex;flex-direction:column;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.nav-drawer__close{width:36px;height:36px;border-radius:50%;background:var(--c-bg);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center}
.nav-drawer__list{padding:8px 0;flex:1;overflow-y:auto}
.nav-drawer__list a{display:flex;align-items:center;min-height:52px;padding:0 20px;font-size:16px;color:var(--c-ink-2)}
.nav-drawer__list a.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-soft)}
.nav-drawer__foot{padding:16px 20px;border-top:1px solid var(--c-line)}
.nav-drawer__foot .btn{width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(23,32,43,.45);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--c-ink-3)}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:#C3CAD5}
.breadcrumb .current{color:var(--c-primary)}

/* ===== 文章头部 ===== */
.article-hero{position:relative;padding:26px 0 34px;background:#fff;border-bottom:1px solid var(--c-line);overflow:hidden}
.article-hero__bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.18;pointer-events:none}
.article-hero__inner{position:relative;z-index:1;max-width:900px}
.article-hero .chip{margin-top:18px}
.article-hero h1{font-size:clamp(25px,3.4vw,38px);line-height:1.3;font-weight:700;color:var(--c-ink);margin-top:14px;letter-spacing:-.3px}
.article-hero__lead{margin-top:14px;font-size:16px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:20px;font-size:13px;color:var(--c-ink-3)}
.article-meta__item{display:inline-flex;align-items:center;gap:6px}
.article-meta__item svg{width:15px;height:15px;fill:none;stroke:var(--c-ink-3);stroke-width:1.75}
.article-meta__dot{width:1px;height:14px;background:var(--c-line)}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-group button{width:34px;height:34px;border-radius:50%;background:var(--c-bg);display:flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease)}
.share-group button:hover{background:var(--c-primary-soft)}
.share-group svg{width:16px;height:16px;fill:var(--c-primary)}

/* ===== 文章主体布局 ===== */
.article-main{padding:36px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:40px;align-items:start}
}
.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--shadow-1);padding:26px 22px}
@media (min-width:768px){.article-card{padding:38px 44px}}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--c-ink-2)}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:clamp(20px,2.1vw,24px);line-height:1.4;font-weight:700;color:var(--c-ink);margin:36px 0 14px;padding-left:14px;border-left:3px solid var(--c-primary)}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--c-ink);margin:26px 0 10px}
.article-body h4{font-size:16px;font-weight:600;color:var(--c-ink);margin:20px 0 8px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-ink-2);font-size:16px;
}
.article-body img{border-radius:12px;margin:16px 0;height:auto}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(30,94,168,.35)}
.article-body a:hover{color:var(--c-accent);border-color:rgba(240,116,42,.5)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-primary-soft);color:var(--c-ink);font-weight:600}
.table-scroll{overflow-x:auto;margin:20px 0;border-radius:12px}
.article-body code{background:#F1F4F8;padding:2px 6px;border-radius:6px;font-size:15px;color:var(--c-primary-deep)}
.article-foot{margin-top:34px;padding-top:22px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.article-foot__note{font-size:13px;color:var(--c-ink-3)}
.empty-state{padding:52px 20px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--radius);background:#FAFBFD}
.empty-state h2{font-size:20px;color:var(--c-ink);font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--c-ink-3);font-size:14px;margin-bottom:18px}

/* 移动端目录条 */
.toc-mobile{display:block;margin-bottom:18px;border:1px solid var(--c-line);border-radius:var(--radius);background:#fff;overflow:hidden}
.toc-mobile summary{list-style:none;cursor:pointer;padding:14px 18px;font-size:15px;font-weight:600;color:var(--c-ink);display:flex;align-items:center;justify-content:space-between}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";color:var(--c-primary);font-size:18px;font-weight:700}
.toc-mobile[open] summary::after{content:"–"}
.toc-mobile ul{padding:0 18px 14px}
.toc-mobile li{margin-bottom:8px;font-size:14px}
@media (min-width:1024px){.toc-mobile{display:none}}

/* 侧栏 */
.article-aside{display:none}
@media (min-width:1024px){
  .article-aside{display:block;position:sticky;top:88px}
}
.aside-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:20px;margin-bottom:18px}
.aside-card h3{font-size:15px;font-weight:700;color:var(--c-primary);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-accent)}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--c-ink-2);line-height:1.5;border-left:2px solid transparent}
.toc-list a:hover,.toc-list a.is-current{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-primary)}
.hot-list li{border-bottom:1px dashed var(--c-line)}
.hot-list li:last-child{border-bottom:none}
.hot-list a{display:block;padding:10px 0;font-size:14px;color:var(--c-ink-2);line-height:1.55}
.hot-list a:hover{color:var(--c-primary)}
.hot-list a span{display:block;font-size:12px;color:var(--c-ink-3);margin-top:2px}
.aside-cta{background:var(--c-primary-deep);color:#fff;border-radius:var(--radius);padding:20px}
.aside-cta h3{font-size:15px;font-weight:700;margin-bottom:8px;color:#fff}
.aside-cta p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.78);margin-bottom:14px}
.aside-cta .btn{width:100%;height:42px}

/* ===== 相关推荐 ===== */
.related{padding:8px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(20px,2.3vw,26px);font-weight:700;color:var(--c-ink);letter-spacing:-.2px}
.section-head p{font-size:14px;color:var(--c-ink-3);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:18px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.related-card{
  display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--shadow-hover)}
.related-card__thumb{width:96px;height:72px;flex:0 0 96px;border-radius:10px;overflow:hidden;background:#EEF2F7}
.related-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.related-card:hover .related-card__thumb img{transform:scale(1.05)}
.related-card__body{min-width:0}
.related-card__body h3{font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.45;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card__body p{font-size:13px;color:var(--c-ink-3);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== 底部 CTA ===== */
.cta-band{margin-top:64px;background:var(--c-primary-deep);border-radius:var(--radius-l);padding:34px 24px;color:#fff;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);font-weight:700;color:#fff;margin-bottom:8px}
.cta-band p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.7;max-width:620px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-note{margin-top:14px;font-size:12px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px}
.cta-note svg{width:16px;height:16px;fill:none;stroke:var(--c-mint);stroke-width:2}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-deep);color:#fff;margin-top:72px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo__main{display:block;font-size:18px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease)}
.footer-social a:hover{background:var(--c-accent)}
.footer-social svg{width:16px;height:16px;fill:#fff}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a{color:rgba(255,255,255,.72);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.65)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.65)}
.footer-links a:hover{color:#fff}

/* 返回顶部 */
.back-top{
  position:fixed;right:20px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px -10px rgba(23,32,43,.35);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),background-color .2s var(--ease);z-index:70;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--c-accent);color:#fff}
.back-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}

@media (max-width:1023px){
  .nav-search{display:none}
  .trend-bar{display:none}
  .nav-toggle{display:inline-flex}
  .header-channels__inner{min-height:0;padding-top:2px;padding-bottom:6px}
  .site-nav{width:100%}
}
@media (max-width:639px){
  .logo__main{font-size:16px}
  .header-actions .btn{display:none}
  .article-hero{padding:20px 0 26px}
  .cta-band{padding:26px 20px}
  .cta-band__actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E5EA8;
  --c-primary-deep:#133E73;
  --c-primary-soft:#E7F0FA;
  --c-accent:#F0742A;
  --c-accent-deep:#D9611B;
  --c-accent-soft:#FEF0E6;
  --c-mint:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3E8EF;
  --c-ink:#17202B;
  --c-ink-2:#4A5563;
  --c-ink-3:#8A94A2;
  --radius-xs:8px;
  --radius-sm:10px;
  --radius:12px;
  --radius-lg:14px;
  --radius-xl:18px;
  --shadow-sm:0 1px 2px rgba(23,32,43,.04),0 8px 24px -12px rgba(23,32,43,.12);
  --shadow-hover:0 12px 32px -12px rgba(30,94,168,.22);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color 200ms var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head .eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--c-ink-2);line-height:1.8}
.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{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.link-more svg{width:14px;height:14px;fill:currentColor}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(23,32,43,.02);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(23,32,43,.35)}
.brand-row{
  display:flex;align-items:center;gap:20px;
  height:64px;transition:height 200ms var(--ease);
}
.site-header.is-compact .brand-row{height:52px}
.logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.logo__main{
  font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--c-ink);
  white-space:nowrap;
}
.logo:hover .logo__main{color:var(--c-primary)}
.logo__sub{font-size:11px;color:var(--c-ink-3);white-space:nowrap}
.search-box{
  position:relative;flex:1;max-width:340px;display:flex;align-items:center;
}
.search-box svg{
  position:absolute;left:13px;width:16px;height:16px;fill:none;
  stroke:var(--c-ink-3);stroke-width:1.8;pointer-events:none;
}
.search-box input{
  width:100%;height:38px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;padding:0 16px 0 38px;color:var(--c-ink);outline:none;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.search-box input::placeholder{color:var(--c-ink-3)}
.search-box input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,94,168,.12)}
.header-hot{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);white-space:nowrap;
}
.hot-chip{
  font-size:13px;padding:4px 10px;border-radius:999px;color:var(--c-ink-2);
  background:#F2F5F9;transition:all 200ms var(--ease);
}
.hot-chip:hover{background:var(--c-accent-soft);color:var(--c-accent-deep)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);border:none;
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform 200ms var(--ease),background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px}
.header-cta{margin-left:auto}
.nav-row{border-top:1px solid var(--c-line);background:#fff}
.site-nav{
  display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;
  scrollbar-width:none;
}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;flex-shrink:0;padding:0 14px;height:48px;
  display:inline-flex;align-items:center;font-size:15px;font-weight:500;
  color:var(--c-ink-2);transition:color 200ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.menu-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:var(--radius-xs);align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:82vw;max-width:340px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;padding:20px 20px 24px;overflow-y:auto;
  box-shadow:-12px 0 40px -20px rgba(23,32,43,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__close{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:18px;line-height:1;color:var(--c-ink-2);
}
.drawer .nav-link{
  height:52px;font-size:16px;padding:0 4px;justify-content:flex-start;width:100%;
  border-bottom:1px solid var(--c-line);
}
.drawer .nav-link::after{display:none}
.drawer .nav-link.is-active{color:var(--c-primary)}
.drawer__foot{margin-top:auto;padding-top:20px}
.drawer__foot .btn{width:100%}
.overlay{
  position:fixed;inset:0;background:rgba(23,32,43,.55);z-index:79;opacity:0;
  pointer-events:none;transition:opacity 240ms var(--ease);
}
.overlay.is-open{opacity:1;pointer-events:auto}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;background:var(--c-primary-soft);overflow:hidden;
  padding:40px 0 52px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,94,168,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(30,94,168,.05) 1px,transparent 1px);
  background-size:40px 40px;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:#C3CBD6}
.breadcrumb .current{color:var(--c-primary);font-weight:600}
.cat-hero__grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;margin-bottom:16px;
  letter-spacing:-.5px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary)}
.cat-hero__lead{font-size:17px;color:var(--c-ink-2);line-height:1.85;max-width:620px;margin-bottom:24px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-chips a{
  font-size:13px;font-weight:500;padding:7px 14px;border-radius:999px;
  background:#fff;color:var(--c-ink-2);border:1px solid var(--c-line);
  transition:all 200ms var(--ease);
}
.hero-chips a:hover{color:var(--c-primary);border-color:rgba(30,94,168,.35);transform:translateY(-1px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  aspect-ratio:16/11;box-shadow:var(--shadow-sm);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(19,62,115,.06),rgba(19,62,115,.42));
}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:var(--radius);padding:14px 16px;
  display:flex;align-items:center;gap:14px;
}
.hero-float__num{font-size:26px;font-weight:700;color:var(--c-primary);line-height:1}
.hero-float__txt{font-size:13px;color:var(--c-ink-2);line-height:1.5}

/* ---------- 主内容：锚点 + 时间线 ---------- */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}
.anchor-nav{position:sticky;top:132px}
.anchor-nav__title{
  font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:.08em;
  margin-bottom:12px;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-2);
  padding:10px 12px;border-radius:var(--radius-xs);border-left:3px solid transparent;
  transition:all 200ms var(--ease);
}
.anchor-nav a:hover{background:#fff;color:var(--c-primary);border-left-color:rgba(30,94,168,.35)}
.anchor-nav a.is-current{background:#fff;color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}
.anchor-nav a i{
  width:22px;height:22px;border-radius:6px;background:var(--c-primary-soft);
  color:var(--c-primary);font-size:12px;font-style:normal;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.anchor-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-sm);
}
.anchor-card h4{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--c-ink)}
.anchor-card p{font-size:13px;color:var(--c-ink-3);line-height:1.7;margin-bottom:12px}
.anchor-card .btn{width:100%;height:42px;font-size:14px}

.timeline{position:relative}
.timeline-item{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;
  align-items:center;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-xl);padding:26px;margin-bottom:26px;
  box-shadow:var(--shadow-sm);transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
  scroll-margin-top:140px;
}
.timeline-item:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--shadow-hover)}
.timeline-item:nth-child(even) .timeline-media{order:2}
.timeline-media{
  border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-soft);
}
.timeline-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.timeline-item:hover .timeline-media img{transform:scale(1.03)}
.step-no{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  color:var(--c-accent-deep);background:var(--c-accent-soft);
  padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.timeline-body h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px}
.timeline-body p{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin-bottom:14px}
.check-list{display:flex;flex-direction:column;gap:8px}
.check-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--c-ink-2);line-height:1.7;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;
  background:var(--c-mint);
}

/* ---------- 速查卡 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.quick-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:22px;position:relative;box-shadow:var(--shadow-sm);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.quick-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--c-accent);border-radius:0 3px 3px 0;
}
.quick-card:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--shadow-hover)}
.quick-card h3{font-size:16px;font-weight:600;margin-bottom:8px;padding-left:12px}
.quick-card p{font-size:14px;color:var(--c-ink-3);line-height:1.75;padding-left:12px}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--c-primary-deep);color:#fff;padding:44px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:0 28px;border-left:1px solid rgba(255,255,255,.18)}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-num{font-size:clamp(32px,4vw,50px);font-weight:700;line-height:1.1;letter-spacing:-1px}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-txt{font-size:13px;color:rgba(255,255,255,.78);margin-top:8px;line-height:1.6}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-xl);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--shadow-hover)}
.scene-icon{
  width:44px;height:44px;border-radius:var(--radius);background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-icon svg{width:20px;height:20px;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  overflow:hidden;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-item.is-open{border-color:rgba(30,94,168,.35);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-sign{
  position:relative;flex-shrink:0;width:18px;height:18px;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-ink-3);border-radius:2px;
  transition:transform 200ms var(--ease),background 200ms var(--ease);
}
.faq-sign::before{left:0;top:8px;width:18px;height:2px}
.faq-sign::after{top:0;left:8px;width:2px;height:18px}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg)}
.faq-item.is-open .faq-sign::before,.faq-item.is-open .faq-sign::after{background:var(--c-accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a__inner{
  padding:0 20px 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
  border-left:3px solid var(--c-primary);margin-left:20px;padding-left:16px;
}
.faq-a__inner p+p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:var(--radius-xl);
  padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;
  border:1px solid rgba(255,255,255,.18);border-radius:50%;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;margin-bottom:12px;position:relative;z-index:1}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);line-height:1.8;position:relative;z-index:1}
.form-card{
  background:#fff;border-radius:var(--radius-lg);padding:24px;position:relative;z-index:1;
  box-shadow:0 20px 40px -24px rgba(9,28,54,.55);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--c-ink-2)}
.field input,.field textarea{
  height:46px;border-radius:var(--radius-sm);border:1px solid var(--c-line);
  padding:0 14px;color:var(--c-ink);background:#fff;outline:none;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,94,168,.12)}
.form-card .btn{width:100%;margin-top:4px}
.privacy{
  display:flex;align-items:flex-start;gap:8px;margin-top:12px;
  font-size:12px;color:var(--c-ink-3);line-height:1.6;
}
.privacy input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--c-primary);flex-shrink:0}
.safety-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--c-mint);
  margin-top:10px;font-weight:600;
}
.safety-tag svg{width:14px;height:14px;fill:none;stroke:var(--c-mint);stroke-width:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo__main{display:block;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:32px;height:32px;border-radius:999px;background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;transition:background 200ms var(--ease);
}
.footer-social a:hover{background:var(--c-accent)}
.footer-social svg{width:16px;height:16px;fill:rgba(255,255,255,.85)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.7);display:inline-block;
  transition:color 200ms var(--ease),transform 200ms var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-links{display:flex;gap:20px}
.footer-links a{color:rgba(255,255,255,.6);font-size:13px}
.footer-links a:hover{color:#fff}

/* 回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:999px;
  background:var(--c-primary-soft);border:1px solid rgba(30,94,168,.25);
  display:flex;align-items:center;justify-content:center;z-index:40;
  opacity:0;pointer-events:none;transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px)}
.to-top svg{width:18px;height:18px;fill:none;stroke:var(--c-primary);stroke-width:2}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:60px 0}
  .layout{grid-template-columns:1fr;gap:32px}
  .anchor-nav{position:static}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px}
  .anchor-nav a{border-left:none;border:1px solid var(--c-line);background:#fff}
  .anchor-nav a.is-current{border-color:rgba(30,94,168,.4)}
  .anchor-card{display:none}
  .hero-grid,.cat-hero__grid{grid-template-columns:1fr;gap:28px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat-item:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .search-box,.header-hot{display:none}
  .site-nav{display:none}
  .nav-row{display:none}
  .menu-toggle{display:flex}
  .header-cta{display:none}
  .timeline-item{grid-template-columns:1fr;padding:20px;gap:18px}
  .timeline-item:nth-child(even) .timeline-media{order:0}
  .quick-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:48px 0}
}
@media (max-width:520px){
  .cat-hero{padding:28px 0 40px}
  .logo__sub{display:none}
  .stat-grid{grid-template-columns:1fr;gap:24px}
  .stat-item{border-left:none;padding-left:0;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.14)}
  .stat-item:last-child{border-bottom:none;padding-bottom:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --c-primary:#1E5EA8;
  --c-primary-deep:#133E73;
  --c-primary-soft:#E7F0FA;
  --c-accent:#F0742A;
  --c-accent-deep:#D9611B;
  --c-accent-soft:#FEF0E6;
  --c-mint:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3E8EF;
  --c-ink:#17202B;
  --c-ink-2:#4A5563;
  --c-ink-3:#8A94A2;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --sd-1:0 1px 2px rgba(23,32,43,.04), 0 8px 24px -12px rgba(23,32,43,.12);
  --sd-2:0 12px 32px -12px rgba(30,94,168,.22);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding-left:1.1em}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep)}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(23,32,43,.03);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-compact{box-shadow:0 6px 20px -14px rgba(23,32,43,.4)}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;transition:height .2s var(--ease)}
.site-header.is-compact .header-inner{height:52px}
.logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.logo__main{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--c-ink)}
.logo__sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.5px}
.site-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;border-radius:8px}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-search{position:relative;flex:0 0 210px;margin-left:auto}
.nav-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;fill:none;stroke:var(--c-ink-3);stroke-width:1.75;stroke-linecap:round}
.nav-search input{
  width:100%;height:38px;border-radius:999px;border:1px solid var(--c-line);
  padding:0 14px 0 38px;background:var(--c-bg);font-size:14px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.nav-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(30,94,168,.12)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--c-accent);color:#fff}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.btn--light{background:#fff;color:var(--c-primary-deep);border-color:#fff}
.btn--light:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.nav-cta{height:40px;padding:0 18px;font-size:14px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;
  border-radius:10px;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.trend-bar{background:#fff;border-top:1px solid var(--c-line)}
.site-header.is-compact .trend-bar{display:none}
.trend-inner{display:flex;align-items:center;gap:10px;height:42px;overflow-x:auto;scrollbar-width:none}
.trend-inner::-webkit-scrollbar{display:none}
.trend-label{
  flex:0 0 auto;font-size:12px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-soft);border-radius:999px;padding:3px 10px;
}
.trend-chip{
  flex:0 0 auto;font-size:13px;color:var(--c-ink-2);background:var(--c-bg);
  border:1px solid var(--c-line);border-radius:999px;padding:4px 12px;white-space:nowrap;
  transition:all .2s var(--ease);
}
.trend-chip:hover{color:var(--c-accent);background:var(--c-accent-soft);border-color:#F7D3B7}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,32,43,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease), visibility .2s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;bottom:0;left:0;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(-100%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer__title{font-size:16px;font-weight:700}
.drawer__close{width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:10px;cursor:pointer;font-size:18px;line-height:1;color:var(--c-ink-2)}
.drawer-link{
  display:flex;align-items:center;height:52px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-link.is-active{color:var(--c-primary);font-weight:600}
.drawer__search{margin:18px 0 6px}
.drawer__search input{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--c-line);
  padding:0 14px;background:var(--c-bg);font-size:15px;
}
.drawer .drawer-cta{margin-top:auto;padding-top:18px}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;background:var(--c-primary-soft);border-bottom:1px solid var(--c-line);
  padding:34px 0 46px;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;
  border:1px solid rgba(30,94,168,.14);border-radius:50%;pointer-events:none;
}
.page-hero::before{
  content:"";position:absolute;right:60px;bottom:-120px;width:220px;height:220px;
  border:1px solid rgba(30,94,168,.1);border-radius:50%;pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--c-ink-3);margin-bottom:16px}
.crumbs a{color:var(--c-ink-3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#C3CAD4}
.crumbs .current{color:var(--c-primary);font-weight:600}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:36px;align-items:end;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#fff;color:var(--c-primary);font-size:12px;font-weight:600;margin-bottom:14px;
  border:1px solid rgba(30,94,168,.16);letter-spacing:.5px;
}
h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
  color:var(--c-ink);margin-bottom:14px;
}
.hero-lead{font-size:17px;color:var(--c-ink-2);max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:500;background:#fff;color:var(--c-primary);
  border:1px solid rgba(30,94,168,.18);
}
.tag--accent{background:var(--c-accent-soft);color:var(--c-accent-deep);border-color:#F7D3B7}
.tag--mint{background:#E4F6F3;color:#0E7E72;border-color:#BFE8E3}
.hero-side{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sd-1);
}
.hero-side h2{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:12px}
.hero-side ul{list-style:none;padding:0;margin:0}
.hero-side li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-ink-2);
  padding:9px 0;border-bottom:1px dashed var(--c-line);
}
.hero-side li:last-child{border-bottom:0}
.hero-side li b{color:var(--c-primary);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--white{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-head p{font-size:14px;color:var(--c-ink-3);margin-top:8px;max-width:620px}
.text-link{
  font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:all .2s var(--ease);
}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}

/* ---------- 杂志式首图卡 ---------- */
.feature-card{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sd-1);
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--sd-2)}
.feature-media{position:relative;min-height:320px;overflow:hidden;background:var(--c-primary-soft)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(19,62,115,0) 40%,rgba(19,62,115,.35) 100%);
}
.feature-badge{
  position:absolute;left:20px;top:20px;z-index:2;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--c-accent-deep);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.feature-body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center}
.feature-body h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:12px}
.feature-body p{font-size:15px;color:var(--c-ink-2);margin-bottom:16px}
.feature-points{list-style:none;padding:0;margin:0 0 20px}
.feature-points li{
  position:relative;padding-left:20px;font-size:14px;color:var(--c-ink-2);margin-bottom:8px;
}
.feature-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--c-mint);opacity:.85;
}

/* ---------- 紧凑列表行 ---------- */
.brief-list{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sd-1);
}
.brief-row{
  display:grid;grid-template-columns:14px minmax(0,1fr) auto;gap:18px;align-items:center;
  padding:20px 26px;border-top:1px solid var(--c-line);
  transition:background .2s var(--ease);
}
.brief-row:first-child{border-top:0}
.brief-row:hover{background:var(--c-primary-soft)}
.brief-dot{width:9px;height:9px;border-radius:50%;background:var(--c-accent);margin-top:8px;align-self:start}
.brief-main h3{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:4px}
.brief-main h3 a{color:var(--c-ink)}
.brief-main h3 a:hover{color:var(--c-primary)}
.brief-main p{font-size:13.5px;color:var(--c-ink-3)}
.brief-meta{font-size:13px;color:var(--c-ink-3);white-space:nowrap;text-align:right}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sd-1);
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--sd-2)}
.rec-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.rec-card:hover .rec-media img{transform:scale(1.03)}
.rec-body{padding:20px 22px 22px}
.rec-body h3{font-size:17px;font-weight:600;margin-bottom:8px}
.rec-body p{font-size:14px;color:var(--c-ink-3);margin-bottom:12px}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  background:var(--c-primary-deep);border-radius:20px;padding:44px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start;
  color:#fff;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:18px}
.cta-list{list-style:none;padding:0;margin:0}
.cta-list li{position:relative;padding-left:18px;font-size:14px;color:rgba(255,255,255,.82);margin-bottom:10px}
.cta-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.form-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 20px 60px -30px rgba(0,0,0,.5)}
.form-card h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:0 14px;background:#fff;font-size:15px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,94,168,.12);
}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--c-ink-3);margin-top:12px;line-height:1.6}
.check input{width:18px;height:18px;flex:0 0 auto;margin-top:1px;accent-color:var(--c-primary)}
.form-card .btn{width:100%;margin-top:16px}
.form-note{font-size:12px;color:var(--c-ink-3);margin-top:10px;display:flex;align-items:center;gap:6px}
.form-note svg{width:16px;height:16px;fill:none;stroke:var(--c-mint);stroke-width:1.8;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(30,94,168,.3);box-shadow:var(--sd-1)}
.faq-item[open]{border-color:rgba(30,94,168,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 56px 18px 22px;
  font-size:16px;font-weight:600;color:var(--c-ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--c-primary);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-primary);border-radius:0 3px 3px 0;
}
.faq-body{padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);border:1px solid rgba(30,94,168,.2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:70;
  opacity:0;visibility:hidden;transition:all .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo__main{color:#fff;font-size:18px;font-weight:700;letter-spacing:-.2px;display:block;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease);
}
.footer-social a:hover{background:var(--c-accent)}
.footer-social svg{width:16px;height:16px;fill:rgba(255,255,255,.9)}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72)}
.footer-col a{color:rgba(255,255,255,.78);display:inline-block;transition:color .2s var(--ease), transform .2s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.18);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.7)}
.footer-links a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .site-nav{display:none}
  .nav-search{flex:0 0 180px}
  .hero-grid{grid-template-columns:1fr;gap:26px;align-items:start}
  .feature-card{grid-template-columns:1fr}
  .feature-media{min-height:260px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav-search{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .brief-row{grid-template-columns:14px minmax(0,1fr);row-gap:6px}
  .brief-meta{grid-column:2;text-align:left}
  .rec-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .header-inner{height:58px;gap:12px}
  .logo__main{font-size:16px}
  .page-hero{padding:24px 0 34px}
  .hero-side{padding:18px 20px}
  .feature-body{padding:24px 22px}
  .brief-row{padding:16px 18px}
  .cta-band{padding:26px 20px;border-radius:16px}
  .form-card{padding:22px 18px}
  .to-top{right:16px;bottom:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E5EA8;
  --c-primary-deep:#133E73;
  --c-primary-soft:#E7F0FA;
  --c-accent:#F0742A;
  --c-accent-deep:#D9611B;
  --c-accent-soft:#FEF0E6;
  --c-mint:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E3E8EF;
  --c-ink:#17202B;
  --c-ink-2:#4A5563;
  --c-ink-3:#8A94A2;
  --c-danger:#D93025;
  --r-xs:8px;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:18px;
  --shadow-1:0 1px 2px rgba(23,32,43,.04), 0 8px 24px -12px rgba(23,32,43,.12);
  --shadow-2:0 12px 32px -12px rgba(30,94,168,.22);
  --ease:cubic-bezier(.4,0,.2,1);
  --sec:88px;
}
*,*::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",sans-serif;
  font-size:16px;line-height:1.7;color:var(--c-ink);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.5px}
h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.3px}
h3{font-size:19px;line-height:1.4}
h4{font-size:16px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.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 p{margin-top:10px;color:var(--c-ink-2);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c-accent)}
.text-link{font-weight:600;font-size:15px;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.text-link:hover{color:var(--c-accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;border:1px solid var(--c-accent)}
.btn--primary:hover{background:var(--c-accent-deep);border-color:var(--c-accent-deep);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(23,32,43,.35)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:64px;transition:min-height .2s var(--ease)}
.site-header.is-compact .header-inner{min-height:54px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  box-shadow:0 6px 14px -8px rgba(30,94,168,.6);
}
.brand__main{display:block;font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--c-ink);line-height:1.2}
.brand__sub{display:block;font-size:11px;color:var(--c-ink-3);letter-spacing:.5px}
.site-nav{display:flex;align-items:center;gap:26px;margin-left:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--c-ink-2);padding:6px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:12px;width:16px;height:16px;fill:none;stroke:var(--c-ink-3);stroke-width:1.8;stroke-linecap:round}
.search-box input{
  width:240px;height:38px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;padding:0 16px 0 36px;font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:var(--c-ink-3)}
.search-box input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,94,168,.12)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.trend-bar{border-top:1px solid var(--c-line);background:#fff}
.trend-inner{display:flex;align-items:center;gap:10px;min-height:42px;overflow-x:auto;scrollbar-width:none}
.trend-inner::-webkit-scrollbar{display:none}
.trend-label{font-size:12px;font-weight:700;color:var(--c-accent);letter-spacing:1px;flex-shrink:0}
.trend-chip{
  flex-shrink:0;font-size:13px;color:var(--c-ink-2);background:var(--c-bg);
  border:1px solid var(--c-line);border-radius:999px;padding:4px 12px;transition:all .2s var(--ease);
}
.trend-chip:hover{background:var(--c-accent-soft);border-color:#F6CDAE;color:var(--c-accent-deep)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,32,43,.5);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:24px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__title{font-size:13px;color:var(--c-ink-3);letter-spacing:1px;margin-bottom:10px}
.drawer a.drawer__link{display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer a.drawer__link:hover,.drawer a.drawer__link.is-active{color:var(--c-primary)}
.drawer__foot{margin-top:auto;padding-top:20px}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:#C4CBD6}
.breadcrumb .current{color:var(--c-primary);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;padding:28px 0 64px;
  background-color:#EDF3FA;
  background-image:linear-gradient(rgba(30,94,168,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,94,168,.06) 1px,transparent 1px);
  background-size:48px 48px;
  border-bottom:1px solid var(--c-line);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;margin-top:28px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid #D5E3F3;color:var(--c-primary);font-size:12px;font-weight:600;margin-bottom:18px}
.hero-copy h1{margin-bottom:16px}
.hero-copy .hero-lead{font-size:17px;color:var(--c-ink-2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.hero-badges{display:flex;gap:20px;flex-wrap:wrap}
.hero-badge{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2)}
.hero-badge svg{width:18px;height:18px;fill:none;stroke:var(--c-mint);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);box-shadow:0 18px 44px -22px rgba(19,62,115,.5)}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:16px 20px;min-width:190px;
}
.hero-float strong{display:block;font-size:26px;font-weight:700;color:var(--c-primary);line-height:1.2}
.hero-float span{font-size:13px;color:var(--c-ink-3)}

/* ---------- 筛选 chip ---------- */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:28px;padding:16px 18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md)}
.filter-bar__label{font-size:13px;font-weight:700;color:var(--c-ink-2);margin-right:4px}
.chip{
  height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:13px;font-weight:600;color:var(--c-ink-2);
  transition:all .2s var(--ease);display:inline-flex;align-items:center;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 双列卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  display:flex;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.3);box-shadow:var(--shadow-2)}
.entry-card.is-hidden{display:none}
.entry-card__media{position:relative;width:190px;flex-shrink:0;overflow:hidden;background:var(--c-primary-soft)}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.entry-card:hover .entry-card__media img{transform:scale(1.04)}
.entry-card__tag{
  position:absolute;top:12px;left:12px;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.entry-card__body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;min-width:0}
.entry-card__body h3{font-size:17px}
.entry-card__body h3 a{color:var(--c-ink)}
.entry-card__body h3 a:hover{color:var(--c-primary)}
.entry-card__body p{
  font-size:14px;color:var(--c-ink-2);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-card__meta{font-size:12px;color:var(--c-ink-3);margin-top:auto;display:flex;align-items:center;gap:6px}
.entry-card__meta::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint)}

/* ---------- 表格 ---------- */
.table-wrap{margin-top:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow-x:auto;box-shadow:var(--shadow-1)}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--c-line);vertical-align:top}
table.compare th{font-size:13px;font-weight:700;color:var(--c-primary-deep);background:var(--c-primary-soft);white-space:nowrap}
table.compare tr:last-child td{border-bottom:0}
table.compare td:first-child{font-weight:600;color:var(--c-ink);white-space:nowrap}
table.compare tbody tr:hover{background:#FAFCFE}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{position:relative;padding:26px 22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);transition:transform .2s var(--ease),border-color .2s var(--ease)}
.step:hover{transform:translateY(-4px);border-color:rgba(30,94,168,.28)}
.step__num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--c-accent-soft);color:var(--c-accent-deep);font-size:15px;font-weight:700;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-ink-2)}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--c-primary-deep);color:#fff;padding:0}
.stat-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:34px 0}
.stat{padding:6px 28px;border-left:1px solid rgba(255,255,255,.18)}
.stat:first-child{border-left:0;padding-left:0}
.stat strong{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:700;line-height:1.1;letter-spacing:-1px}
.stat strong em{font-style:normal;font-size:15px;font-weight:600;margin-left:4px;opacity:.85}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- 更新说明 ---------- */
.note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.note-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1)}
.note-card h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.note-card h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--c-accent)}
.note-card p{font-size:14px;color:var(--c-ink-2)}
.note-card time{display:block;margin-top:12px;font-size:12px;color:var(--c-ink-3)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:rgba(30,94,168,.3)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .2s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 22px 22px 25px;font-size:15px;line-height:1.85;color:var(--c-ink-2);border-left:3px solid transparent}
.faq-item.is-open .faq-a p{border-left-color:var(--c-primary)}

/* ---------- CTA ---------- */
.cta-band{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.cta-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;padding:72px 0}
.cta-copy h2{margin-bottom:14px}
.cta-copy p{color:var(--c-ink-2);font-size:15px;margin-bottom:22px}
.cta-list li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);margin-bottom:10px}
.cta-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);margin-top:9px;flex-shrink:0}
.cta-form{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--c-ink-2)}
.field input,.field textarea{
  height:46px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;
  padding:0 14px;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,94,168,.12)}
.privacy{grid-column:1 / -1;display:flex;align-items:flex-start;gap:10px;font-size:12px;color:var(--c-ink-3);line-height:1.6}
.privacy input{width:18px;height:18px;margin-top:2px;flex-shrink:0;accent-color:var(--c-primary)}
.form-note{grid-column:1 / -1;font-size:12px;color:var(--c-mint);font-weight:600;min-height:16px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78)}
.footer-top{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.logo__main{display:block;color:#fff;font-size:18px;font-weight:700;letter-spacing:-.2px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{background:var(--c-accent);transform:translateY(-2px)}
.footer-social svg{width:16px;height:16px;fill:#fff}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.78);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.7);
}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.78)}
.footer-links a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--c-primary-soft);border:1px solid rgba(30,94,168,.25);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;z-index:50;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s,background-color .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary);color:#fff}
.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px}
  .site-nav{display:none}
  .nav-toggle{display:flex}
  .search-box{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2}
  .hero-float{left:auto;right:16px;bottom:-16px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .note-grid{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .card-grid{grid-template-columns:1fr}
  .entry-card{flex-direction:column}
  .entry-card__media{width:100%;aspect-ratio:16/9}
  .entry-card__body{padding:18px 18px 20px}
  .brand__main{font-size:16px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-form{grid-template-columns:1fr;padding:22px}
}
@media (max-width:520px){
  :root{--sec:48px}
  .hero-actions .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .stat-inner{grid-template-columns:1fr}
  .stat{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr}
  .filter-bar{padding:14px}
  .to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}