/* roulang page: index */
:root{
  --c-primary:#1A5FB4;
  --c-primary-hover:#15498A;
  --c-primary-active:#103A6E;
  --c-primary-soft:#E8F0FA;
  --c-teal:#0EA5A0;
  --c-teal-soft:#E4F7F6;
  --c-amber:#F2A33C;
  --c-amber-soft:#FDF3E4;
  --bg-page:#F5F7FA;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F4F9;
  --line:#E6ECF4;
  --t-1:#101B2D;
  --t-2:#4A5A72;
  --t-3:#8494A8;
  --ok:#159A6B;
  --warn:#E0A020;
  --err:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 2px 8px rgba(16,32,64,.06);
  --sh-hover:0 10px 28px rgba(16,32,64,.12);
  --sh-nav:0 4px 16px rgba(16,32,64,.08);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --bs-primary:#1A5FB4;
  --bs-body-font-family:var(--font);
  --bs-border-radius:10px;
  --bs-link-color:#1A5FB4;
  --bs-link-hover-color:#15498A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--c-primary-hover);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(26,95,180,.28);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--t-1);letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-soft{background:var(--bg-soft);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.sec-title{font-size:28px;line-height:1.4;font-weight:700;}
.sec-sub{margin-top:10px;font-size:15px;line-height:1.8;color:var(--t-2);max-width:760px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;}
.text-link i{font-style:normal;transition:transform .25s ease;}
.text-link:hover i{transform:translateX(3px);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:all .22s ease;text-align:center;}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-hover);border-color:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(26,95,180,.24);}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(26,95,180,.3);}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary-hover);}
.btn-block{width:100%;}

/* 徽章 / pill */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);}
.pill-amber{background:var(--c-amber-soft);color:#B0721A;}
.pill-teal{background:var(--c-teal-soft);color:#0A7F7B;}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:2px 10px;border-radius:999px;
  background:rgba(26,95,180,.08);color:var(--c-primary);}
.tag-teal{background:rgba(14,165,160,.12);color:#0A7F7B;}
.tag-amber{background:var(--c-amber-soft);color:#B0721A;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.topbar{border-bottom:1px solid var(--line);background:#fff;}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
.brand-text{font-size:18px;font-weight:700;color:var(--t-1);letter-spacing:-.3px;white-space:nowrap;}
.search-wrap{flex:1 1 auto;display:flex;justify-content:center;}
.search-box{position:relative;width:100%;max-width:320px;}
.search-box input{width:100%;height:42px;border:1px solid var(--line);border-radius:999px;
  padding:0 44px 0 18px;font-size:14px;color:var(--t-1);background:var(--bg-page);transition:all .2s ease;}
.search-box input::placeholder{color:var(--t-3);}
.search-box input:focus{outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 3px rgba(26,95,180,.16);}
.search-box button{position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:none;border-radius:50%;background:var(--c-primary);color:#fff;
  font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.topbar-actions .btn{padding:9px 20px;font-size:14px;}
.hamburger{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;
  display:none;align-items:center;justify-content:center;cursor:pointer;color:var(--t-1);}
.hamburger span{display:block;width:18px;height:2px;background:var(--t-1);position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.channelbar{background:#fff;border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:18px;height:48px;overflow:hidden;}
.channel-list{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.channel-list a{position:relative;display:block;padding:12px 14px;font-size:15px;font-weight:500;color:var(--t-2);}
.channel-list a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--c-primary);transform:scaleX(0);transition:transform .22s ease;}
.channel-list a:hover{color:var(--c-primary);}
.channel-list a:hover::after,.channel-list a[aria-current="page"]::after{transform:scaleX(1);}
.channel-list a[aria-current="page"]{color:var(--c-primary);font-weight:600;}
.hot-chips{margin-left:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.hot-chips::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:rgba(242,163,60,.12);color:#B0721A;transition:all .2s ease;}
.chip:hover{background:var(--c-amber);color:#fff;}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,27,45,.5);opacity:0;visibility:hidden;
  transition:all .28s ease;z-index:1050;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .3s ease;padding:22px;overflow-y:auto;}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:16px;color:var(--t-2);line-height:1;}
.drawer .search-box{max-width:none;margin-bottom:20px;}
.drawer-nav a{display:block;padding:14px 4px;font-size:16px;color:var(--t-1);
  border-bottom:1px solid var(--line);font-weight:500;}
.drawer-nav a[aria-current="page"]{color:var(--c-primary);font-weight:700;}
.drawer .btn{margin-top:22px;}

/* Hero */
.hero{background:#fff;padding:88px 0;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(26,95,180,.10),transparent 68%);pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:center;position:relative;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero h1{font-size:38px;line-height:1.35;letter-spacing:-.5px;font-weight:700;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.75;color:var(--t-2);max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;
  font-size:14px;color:var(--t-2);}
.hero-trust span{display:inline-flex;align-items:center;}
.hero-trust i{display:inline-block;width:1px;height:14px;background:var(--line);margin-right:14px;font-style:normal;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh-card);}
.hero-float{position:absolute;right:-8px;bottom:-14px;background:#fff;border-radius:14px;
  box-shadow:0 10px 28px rgba(16,32,64,.16);border:1px solid var(--line);padding:14px 20px;
  display:flex;align-items:baseline;gap:10px;}
.hero-float b{font-size:26px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-float span{font-size:13px;color:var(--t-2);}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:24px;}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:28px;transition:all .28s ease;display:block;color:inherit;cursor:pointer;}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(26,95,180,.2);}
.pain-card.big{grid-row:span 2;padding:34px;display:flex;flex-direction:column;justify-content:center;}
.pain-card.wide{grid-column:1 / -1;padding:24px 28px;display:flex;align-items:center;gap:18px;}
.pain-card.wide .pain-body{margin-top:0;}
.pain-ico{width:40px;height:40px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;margin-bottom:18px;flex:0 0 auto;}
.pain-card h3{font-size:20px;line-height:1.5;font-weight:600;}
.pain-card.big h3{font-size:24px;}
.pain-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--t-2);}

/* 方案卡 */
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.sol-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;transition:all .28s ease;display:block;color:inherit;}
.sol-main:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(26,95,180,.2);}
.sol-main .sol-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);}
.sol-main-body{padding:28px;}
.sol-num{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:26px;
  padding:0 10px;border-radius:999px;background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;
  letter-spacing:.5px;font-variant-numeric:tabular-nums;}
.sol-main h3{margin-top:16px;font-size:22px;line-height:1.45;}
.sol-main p{margin-top:12px;font-size:15px;color:var(--t-2);line-height:1.8;}
.sol-list{margin-top:18px;display:grid;gap:10px;}
.sol-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:var(--t-2);}
.sol-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--c-teal);}
.sol-side{display:grid;gap:24px;}
.sol-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:24px;display:flex;gap:18px;align-items:flex-start;
  min-height:104px;transition:all .28s ease;color:inherit;}
.sol-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(26,95,180,.2);}
.sol-item .sol-ico{width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;}
.sol-item h3{font-size:18px;line-height:1.5;}
.sol-item p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--t-2);}

/* 数据带 */
.stats-band{background:#F2F6FC;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:8px 16px;text-align:center;border-right:1px solid rgba(26,95,180,.14);}
.stat:last-child{border-right:none;}
.stat b{display:block;font-size:40px;line-height:1.2;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:.2px;}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--t-2);}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:start;}
.news-list{display:grid;gap:16px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:22px 24px;display:flex;gap:20px;align-items:flex-start;transition:all .28s ease;color:inherit;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(26,95,180,.2);}
.news-thumb{width:160px;flex:0 0 160px;aspect-ratio:3/2;object-fit:cover;border-radius:10px;border:1px solid var(--line);}
.news-body{flex:1 1 auto;min-width:0;}
.news-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;}
.news-desc{margin-top:8px;font-size:14px;line-height:1.7;color:var(--t-2);display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--t-3);flex-wrap:wrap;}
.news-arrow{flex:0 0 auto;color:var(--t-3);font-size:16px;transition:all .25s ease;align-self:center;}
.news-card:hover .news-arrow{color:var(--c-primary);transform:translateX(3px);}
.empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:64px 24px;text-align:center;}
.empty-art{width:120px;height:88px;margin:0 auto 18px;border-radius:12px;border:2px dashed rgba(26,95,180,.3);
  display:flex;align-items:center;justify-content:center;color:rgba(26,95,180,.5);font-size:26px;}
.empty-state p{font-size:14px;color:var(--t-3);margin-bottom:18px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:24px;margin-bottom:24px;transition:border-color .25s ease;}
.side-card:hover{border-color:var(--c-primary);}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:16px;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tags a{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--bg-soft);color:var(--t-2);}
.side-tags a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-card p{font-size:14px;line-height:1.75;color:var(--t-2);margin-bottom:16px;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  position:relative;transition:border-color .25s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform .28s ease;}
.faq-item.open::before{transform:scaleY(1);}
.faq-item:hover{border-color:rgba(26,95,180,.25);}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;
  color:var(--t-1);display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;}
.faq-q .faq-ico{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s ease;}
.faq-q .faq-ico::before,.faq-q .faq-ico::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-q .faq-ico::before{left:0;top:10px;width:22px;height:2px;}
.faq-q .faq-ico::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-ico{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.75;color:var(--t-2);}

/* 表单 */
.lead-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.lead-points{display:grid;gap:14px;margin-top:26px;}
.lead-point{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t-2);line-height:1.7;}
.lead-point b{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:3px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-hover);padding:28px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13px;color:var(--t-3);margin-bottom:7px;}
.form-row label .req{color:var(--c-amber);}
.form-control,.form-select{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;font-size:15px;color:var(--t-1);background:#fff;transition:all .2s ease;appearance:none;}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(26,95,180,.16);}
.form-select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%238494A8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;}
.privacy-box{background:var(--bg-soft);border-radius:var(--r-btn);padding:14px 16px;display:flex;gap:10px;
  align-items:flex-start;margin-bottom:20px;}
.privacy-box input{margin-top:5px;width:16px;height:16px;accent-color:var(--c-primary);flex:0 0 auto;}
.privacy-box span{font-size:12px;line-height:1.7;color:var(--t-2);}
.privacy-box a{text-decoration:underline;}

/* CTA 带 */
.cta-band{background:#0E1B2C;border-radius:var(--r-lg);padding:48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;line-height:1.45;}
.cta-band p{margin-top:10px;font-size:15px;color:#B7C4D4;line-height:1.75;max-width:560px;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* 页脚 */
.site-footer{background:#0E1B2C;color:#B7C4D4;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-brand b{color:#fff;font-size:17px;font-weight:700;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:#B7C4D4;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#B7C4D4;transition:all .2s ease;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;line-height:1.9;color:#B7C4D4;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8494A8;}

/* 弹层 */
.modal-mask{position:fixed;inset:0;background:rgba(26,95,180,.6);z-index:1080;display:none;
  align-items:center;justify-content:center;padding:20px;}
.modal-mask.show{display:flex;}
.modal-card{width:100%;max-width:480px;background:#fff;border-radius:var(--r-lg);padding:28px;position:relative;
  max-height:88vh;overflow-y:auto;animation:fadeUp .28s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
.modal-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.modal-card .modal-sub{font-size:14px;color:var(--t-2);margin-bottom:22px;line-height:1.7;}
.modal-close{position:absolute;right:18px;top:18px;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--t-2);font-size:15px;cursor:pointer;line-height:1;}
.modal-close:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* 响应式 */
@media (max-width:1199px){
  .news-grid{grid-template-columns:7fr 5fr;}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;}
  .hero{padding:64px 0;}
  .hero-visual{max-width:560px;}
  .solution-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .lead-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media (max-width:860px){
  .search-wrap{display:none;}
  .hamburger{display:flex;}
  .channelbar{display:none;}
  .topbar-actions .btn{display:none;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .pain-grid{grid-template-columns:1fr;}
  .pain-card.big{grid-row:auto;}
  .pain-card.wide{grid-column:auto;flex-direction:column;align-items:flex-start;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid rgba(26,95,180,.14);padding-bottom:24px;}
  .stat:nth-child(3),.stat:nth-child(4){padding-top:24px;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .sec-title{font-size:22px;}
  .brand-text{font-size:16px;}
  .hero h1{font-size:25px;line-height:1.4;}
  .hero-cta .btn{width:100%;min-height:48px;}
  .hero-float{right:0;bottom:-10px;padding:10px 16px;}
  .hero-float b{font-size:22px;}
  .news-card{padding:18px;flex-direction:column;gap:14px;}
  .news-thumb{width:100%;flex:0 0 auto;}
  .news-arrow{display:none;}
  .pain-card,.sol-item,.side-card{padding:20px;}
  .sol-main-body{padding:20px;}
  .form-card{padding:20px;}
  .stat b{font-size:32px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:767px){
  .modal-mask{align-items:flex-end;padding:0;}
  .modal-card{max-width:100%;border-radius:16px 16px 0 0;animation:slideUp .3s ease;}
  @keyframes slideUp{from{transform:translateY(100%);}to{transform:translateY(0);}}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* roulang page: article */
:root{
  --brand:#1A5FB4;
  --brand-hover:#15498A;
  --brand-active:#103A6E;
  --brand-10:#E8F0FA;
  --brand-6:rgba(26,95,180,.06);
  --cyan:#0EA5A0;
  --amber:#F2A33C;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --tint:#F0F4F9;
  --line:#E6ECF4;
  --text:#101B2D;
  --text-2:#4A5A72;
  --text-3:#8494A8;
  --ok:#159A6B;
  --warn:#E0A020;
  --err:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 2px 8px rgba(16,32,64,.06);
  --sh-hover:0 10px 28px rgba(16,32,64,.12);
  --sh-sticky:0 4px 16px rgba(16,32,64,.08);
  --footer:#0E1B2C;
  --bs-primary:#1A5FB4;
  --bs-primary-rgb:26,95,180;
  --bs-body-color:#101B2D;
  --bs-body-bg:#F5F7FA;
  --bs-border-color:#E6ECF4;
  --bs-border-radius:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-hover)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(26,95,180,.28);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums;letter-spacing:.2px}

/* ============ 按钮 ============ */
.btn-solid,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;line-height:1;padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;
}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(16,32,64,.08)}
.btn-solid:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-solid:active{background:var(--brand);transform:translateY(0)}
.btn-line{background:#fff;color:var(--brand);border-color:rgba(26,95,180,.3)}
.btn-line:hover{background:var(--brand-10);border-color:var(--brand);color:var(--brand-hover)}
.btn-line:active{background:#dbe8f7}
.btn-sm{padding:10px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500}
.link-arrow .ar{transition:transform .22s ease}
.link-arrow:hover .ar{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge-pill,.cat-badge{
  display:inline-flex;align-items:center;
  font-size:12px;padding:3px 11px;border-radius:999px;
  background:var(--brand-10);color:var(--brand);white-space:nowrap;
}
.cat-badge{border:1px solid rgba(26,95,180,.14)}
.badge-cyan{background:rgba(14,165,160,.1);color:#0a7f7b}
.badge-amber{background:rgba(242,163,60,.12);color:#9a6205}

/* ============ 头部 ============ */
.site-header{position:relative;z-index:60;background:#fff}
.topbar{border-bottom:1px solid var(--line);background:#fff;transition:box-shadow .25s ease}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:0
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.3px}
.search-wrap{flex:1 1 auto;display:flex;justify-content:center}
.search-form{display:flex;align-items:center;gap:8px;width:100%;max-width:320px;
  border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 16px;background:var(--bg);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.search-form:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(26,95,180,.18)}
.search-form input{border:0;background:transparent;outline:none;font-size:14px;color:var(--text);width:100%}
.search-form input::placeholder{color:var(--text-3)}
.search-form button{border:0;background:var(--brand-10);color:var(--brand);border-radius:999px;
  padding:6px 14px;font-size:13px;cursor:pointer;transition:background .2s ease,color .2s ease}
.search-form button:hover{background:var(--brand);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hamburger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text-2)}
.hamburger:hover{border-color:rgba(26,95,180,.35)}
.hamburger:hover span{background:var(--brand)}

.channelbar{background:var(--tint);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:18px;min-height:48px}
.channel-list{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.channel-list a{
  position:relative;display:block;padding:14px 12px;font-size:15px;color:var(--text-2);
  transition:color .2s ease
}
.channel-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);transition:all .22s ease
}
.channel-list a:hover{color:var(--brand)}
.channel-list a:hover::after{opacity:1;transform:scaleX(1)}
.channel-list a[aria-current="page"]{color:var(--brand);font-weight:600}
.channel-list a[aria-current="page"]::after{opacity:1;transform:scaleX(1)}
.hot-chips{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.hot-chips::-webkit-scrollbar{display:none}
.chip{
  font-size:12px;padding:4px 12px;border-radius:999px;white-space:nowrap;
  background:rgba(242,163,60,.12);color:#9a6205;border:1px solid rgba(242,163,60,.28);
  transition:all .2s ease
}
.chip:hover{background:var(--amber);color:#fff;border-color:var(--amber)}

.sticky-on .topbar{position:fixed;top:0;left:0;right:0;box-shadow:var(--sh-sticky);z-index:70}
.sticky-on .channelbar{position:fixed;top:64px;left:0;right:0;z-index:70}
.header-holder{display:none}

/* 移动抽屉 */
.drawer-overlay{position:fixed;inset:0;background:rgba(16,27,45,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:80}
.drawer-overlay.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .3s ease;padding:20px;overflow-y:auto;
  box-shadow:-8px 0 32px rgba(16,32,64,.14)
}
.mobile-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;
  cursor:pointer;color:var(--text-2);font-size:16px;line-height:1}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-search{display:flex;gap:8px;margin-bottom:18px}
.drawer-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:14px;outline:none}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,95,180,.16)}
.drawer-title{font-size:13px;color:var(--text-3);margin:8px 0 8px}
.drawer-nav a{display:block;padding:12px 10px;border-radius:10px;font-size:15px;color:var(--text-2)}
.drawer-nav a:hover{background:var(--brand-10);color:var(--brand)}
.drawer-nav a[aria-current="page"]{background:var(--brand-10);color:var(--brand);font-weight:600}
.drawer-cta{margin-top:18px;display:block;width:100%}

/* ============ 文章区域 ============ */
.page-wrap{padding:36px 0 88px}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--text-3);margin-bottom:22px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#c3cddb}
.crumb .current{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}

.article-layout{display:grid;grid-template-columns:minmax(0,760px) 240px;gap:48px;justify-content:center;align-items:start}
.article-main{min-width:0}
.article-head{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 34px;box-shadow:var(--sh)
}
.article-head h1{
  font-size:32px;line-height:1.42;font-weight:700;letter-spacing:-.5px;margin:14px 0 16px
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#c3cddb}
.article-meta b{color:var(--text-2);font-weight:500}

.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;margin-top:22px;box-shadow:var(--sh);
  font-size:16px;line-height:1.85;color:var(--text-2)
}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;font-size:24px;line-height:1.5;color:var(--text);font-weight:700;
  margin:44px 0 18px;padding-left:14px
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand)
}
.article-body h3{font-size:19px;line-height:1.6;color:var(--text);font-weight:600;margin:30px 0 12px}
.article-body h4{font-size:17px;color:var(--text);font-weight:600;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li{list-style:disc;line-height:1.95;margin-bottom:6px}
.article-body ol li{list-style:decimal;line-height:1.95;margin-bottom:6px}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--brand-6);border-left:4px solid var(--brand);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2)
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body thead th{background:var(--brand-6);font-weight:600;color:var(--text)}
.article-body tbody tr:nth-child(even){background:rgba(26,95,180,.04)}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:22px 0;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:-8px}
.article-body code{background:var(--tint);border-radius:4px;padding:2px 6px;font-size:14px;color:#33475f}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(26,95,180,.4)}
.article-body a:hover{color:var(--brand-hover);border-bottom-color:var(--brand-hover)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 目录 */
.toc{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh)}
.toc h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px}
.toc ol{display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;font-size:13px;line-height:1.7;color:var(--text-2);
  padding:6px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0
}
.toc a:hover{color:var(--brand);background:var(--brand-6)}
.toc a.active{color:var(--brand);border-left-color:var(--brand);background:var(--brand-6);font-weight:600}
.toc a.sub{padding-left:22px;font-size:12.5px;color:var(--text-3)}
.toc-toggle{display:none;width:100%;margin-top:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-btn);padding:12px 16px;font-size:14px;color:var(--text-2);cursor:pointer;
  align-items:center;justify-content:space-between}
.toc-toggle:hover{border-color:rgba(26,95,180,.35);color:var(--brand)}
.toc-mobile{display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 18px;margin-top:12px;box-shadow:var(--sh)}
.toc-mobile.show{display:block}

/* 标签 */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:26px}
.tag-row .label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;font-size:13px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);transition:all .2s ease
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-10)}

/* 上一篇 / 下一篇 */
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.pn-card{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh);transition:all .25s ease
}
.pn-card:hover{transform:translateY(-3px);border-color:rgba(26,95,180,.4);box-shadow:var(--sh-hover)}
.pn-card .ico{
  width:34px;height:34px;border-radius:10px;background:var(--brand-10);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto
}
.pn-card .txt small{display:block;font-size:12px;color:var(--text-3);margin-bottom:2px}
.pn-card .txt b{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
.pn-card.right{justify-content:flex-end;text-align:right}
.pn-card.right .txt{order:-1}

/* 相关推荐 */
.related{margin-top:52px}
.related h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);transition:all .25s ease;display:block
}
.rcard:hover{transform:translateY(-3px);border-color:rgba(26,95,180,.4);box-shadow:var(--sh-hover)}
.rcard .thumb{overflow:hidden;aspect-ratio:16/9;background:var(--brand-10)}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;border:0;border-radius:0;margin:0;transition:transform .3s ease}
.rcard:hover .thumb img{transform:scale(1.03)}
.rcard .body{padding:16px 18px 20px}
.rcard .body h3{font-size:16px;line-height:1.55;font-weight:600;color:var(--text);margin:8px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .body p{font-size:13.5px;line-height:1.7;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 空态 */
.empty-state{text-align:center;padding:64px 20px}
.empty-state .ph{
  width:120px;height:90px;margin:0 auto 20px;border-radius:var(--r-img);
  border:1px dashed rgba(26,95,180,.4);background:var(--brand-6);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:24px
}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:18px}

/* 返回入口 */
.back-row{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:48px}
.back-row .link-arrow{font-size:14px;color:var(--text-2)}
.back-row .link-arrow:hover{color:var(--brand)}

/* CTA 带 */
.cta-band{
  margin-top:56px;background:linear-gradient(100deg,#123C74 0%,#1A5FB4 62%,#1E6FBF 100%);
  border-radius:var(--r-lg);padding:44px 46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap
}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:9px;letter-spacing:-.3px}
.cta-band p{font-size:15px;line-height:1.75;color:rgba(255,255,255,.86);max-width:560px}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-solid{background:#fff;color:var(--brand)}
.cta-band .btn-solid:hover{background:#eef4fd;color:var(--brand-hover)}
.cta-band .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-band .btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer);color:#B7C4D4;padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand .brand-mark{background:var(--brand)}
.footer-brand b{font-size:17px;color:#fff;font-weight:700}
.site-footer p{font-size:14px;line-height:1.85;color:#9FB0C4;max-width:340px}
.site-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B7C4D4;transition:all .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9FB0C4}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8496AC
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;justify-content:stretch}
  .toc{display:none}
  .toc-toggle{display:flex}
  .article-body{max-width:100%}
}
@media (max-width:991px){
  .search-wrap{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px 32px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hamburger{display:flex}
  .header-actions .btn-solid{display:none}
  .brand-text{font-size:16.5px}
  .channel-inner{overflow-x:auto;scrollbar-width:none;padding-top:4px}
  .channel-inner::-webkit-scrollbar{display:none}
  .hot-chips{display:none}
  .sticky-on .channelbar{display:none}
  .sticky-on .topbar{position:sticky}
  .page-wrap{padding:24px 0 60px}
  .article-head{padding:24px 20px}
  .article-head h1{font-size:25px;line-height:1.5;margin:12px 0 14px}
  .article-body{padding:24px 20px;font-size:15.5px}
  .article-body h2{font-size:20px;margin:34px 0 14px}
  .article-body h3{font-size:17.5px}
  .pn-grid{grid-template-columns:1fr}
  .pn-card.right{justify-content:flex-start;text-align:left}
  .pn-card.right .txt{order:0}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px;border-radius:14px}
  .cta-band h2{font-size:20px}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn-solid,.cta-band .actions .btn-line{width:100%;height:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575px){
  .article-head,.article-body,.toc,.pn-card,.rcard{border-radius:12px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .crumb .current{max-width:180px}
}

/* roulang page: category2 */
:root{
  --primary:#1A5FB4; --primary-hover:#15498A; --primary-active:#103A6E; --primary-10:#E8F0FA;
  --teal:#0EA5A0; --teal-soft:rgba(14,165,160,.10);
  --amber:#F2A33C; --amber-soft:rgba(242,163,60,.10); --amber-text:#A96A12;
  --bg:#F5F7FA; --card:#FFFFFF; --soft:#F0F4F9; --line:#E6ECF4;
  --text:#101B2D; --text-2:#4A5A72; --text-3:#8494A8;
  --ok:#159A6B; --warn:#E0A020; --err:#D64545;
  --r-card:14px; --r-lg:16px; --r-btn:10px; --r-img:12px;
  --sh-1:0 2px 8px rgba(16,32,64,.06);
  --sh-2:0 10px 28px rgba(16,32,64,.12);
  --sec:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-hover);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.2px;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(26,95,180,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,32,64,.08);}
.brandbar{border-bottom:1px solid var(--line);}
.brandbar-inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:19px;white-space:nowrap;}
.brand:hover{color:var(--primary);}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;flex:0 0 auto;}
.search-wrap{flex:1;display:flex;align-items:center;min-width:0;}
.search-toggle{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--text-3);font-size:14px;cursor:pointer;transition:.2s;}
.search-toggle:hover{border-color:rgba(26,95,180,.35);color:var(--primary);}
.search-form{display:none;width:100%;max-width:360px;}
.search-wrap.is-open .search-toggle{display:none;}
.search-wrap.is-open .search-form{display:block;}
.search-form input{width:100%;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:14px;color:var(--text);transition:.2s;}
.search-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,95,180,.14);}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff !important;}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 10px 22px rgba(26,95,180,.22);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;border-color:rgba(26,95,180,.3);color:var(--primary) !important;}
.btn-outline:hover{background:var(--primary-10);border-color:var(--primary);}
.btn-block{width:100%;}
.btn-light{background:#fff;color:var(--primary) !important;border-color:#fff;}
.btn-light:hover{background:#EAF1FA;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff !important;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.text-link span{transition:transform .25s ease;}
.text-link:hover span{transform:translateX(3px);}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}

.channelbar{background:var(--soft);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:20px;height:48px;}
.channel-list{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:15px;color:var(--text-2);white-space:nowrap;}
.channel-list a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:transparent;border-radius:2px;transition:background .2s ease;}
.channel-list a:hover{color:var(--primary);}
.channel-list a:hover::after{background:rgba(26,95,180,.35);}
.channel-list a[aria-current="page"]{color:var(--primary);font-weight:700;}
.channel-list a[aria-current="page"]::after{background:var(--primary);}
.hot-chips{margin-left:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.hot-chips::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--amber-soft);color:var(--amber-text);font-size:13px;white-space:nowrap;transition:.2s;}
.chip:hover{background:var(--amber);color:#fff;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,27,45,.5);z-index:80;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;z-index:90;width:min(340px,86vw);height:100%;background:#fff;box-shadow:-8px 0 28px rgba(16,32,64,.14);transform:translateX(100%);transition:transform .28s ease;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head b{font-size:17px;}
.drawer-close{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;cursor:pointer;color:var(--text-2);}
.drawer-search input{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:14px;margin-bottom:18px;}
.drawer-list a{display:block;padding:13px 14px;border-radius:var(--r-btn);color:var(--text-2);font-size:15px;}
.drawer-list a:hover{background:var(--soft);color:var(--primary);}
.drawer-list a[aria-current="page"]{background:var(--primary-10);color:var(--primary);font-weight:700;}
.drawer-cta{margin-top:20px;}

/* ---------- page head ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:32px 0 72px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text-2);}
.page-head-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:var(--primary-10);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:18px;}
.pill-teal{background:var(--teal-soft);color:#0B7C79;}
h1{font-size:36px;line-height:46px;font-weight:700;letter-spacing:-.5px;margin-bottom:18px;}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.head-actions{display:flex;gap:12px;flex-wrap:wrap;}
.page-head-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section-soft{background:var(--soft);}
.section-white{background:#fff;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin:0 auto 44px;text-align:center;}
h2{font-size:28px;line-height:38px;font-weight:700;margin-bottom:16px;}
.section-head p{color:var(--text-2);font-size:16px;}
h3{font-size:20px;line-height:30px;font-weight:600;margin:28px 0 10px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--teal);margin-bottom:10px;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:72px;}
.split-media{position:relative;}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}
.split-media::after{content:"";position:absolute;inset:auto -14px -14px auto;width:120px;height:120px;border-radius:18px;background:var(--primary-10);z-index:-1;display:none;}
.split-alt .split-text{order:2;}
.split-alt .split-media{order:1;}
.split-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-10);border-radius:999px;padding:5px 12px;margin-bottom:14px;}

/* ---------- steps ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.steps::before{content:"";position:absolute;top:22px;left:12%;right:12%;height:2px;background:var(--line);}
.step{position:relative;text-align:center;padding:0 6px;}
.step-dot{position:relative;z-index:1;width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid var(--primary);color:var(--primary);font-weight:800;font-size:17px;display:grid;place-items:center;margin:0 auto 16px;font-variant-numeric:tabular-nums;}
.step h3{margin:0 0 8px;font-size:18px;}
.step p{font-size:14px;line-height:24px;color:var(--text-2);margin:0;}

/* ---------- note card ---------- */
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:32px;display:grid;grid-template-columns:1.5fr .9fr;gap:36px;align-items:center;}
.note-card h3{margin-top:22px;}
.note-list li{position:relative;padding-left:20px;margin-bottom:12px;color:var(--text-2);font-size:15px;line-height:1.85;}
.note-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--teal);}
.note-aside{background:var(--soft);border-radius:var(--r-card);padding:24px;text-align:center;}
.note-aside strong{display:block;font-size:34px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.note-aside span{display:block;font-size:13px;color:var(--text-3);margin:6px 0 20px;}

/* ---------- form ---------- */
.lead-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.assure li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);margin-bottom:14px;line-height:1.8;}
.assure li i{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-size:12px;font-style:normal;margin-top:4px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.field .req{color:var(--amber-text);}
.field input,.field select,.field textarea{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:15px;color:var(--text);background:#fff;font-family:inherit;transition:.2s;}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,95,180,.14);}
.privacy{display:flex;gap:10px;align-items:flex-start;background:var(--soft);border-radius:var(--r-btn);padding:14px;margin-bottom:20px;}
.privacy input{width:16px;height:16px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto;}
.privacy p{font-size:12px;line-height:20px;color:var(--text-3);margin:0;}
.privacy a{text-decoration:underline;}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 var(--sec);}
.cta-band{background:linear-gradient(120deg,#1A5FB4 0%,#15498A 100%);border-radius:var(--r-lg);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;flex-wrap:wrap;}
.cta-band h2{color:#fff;margin-bottom:10px;font-size:26px;}
.cta-band p{color:rgba(255,255,255,.85);margin:0;font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:#0E1B2C;color:#B7C4D4;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:18px;}
.footer-brand .brand-mark{background:#fff;color:#0E1B2C;}
.site-footer p{color:#93A4B8;line-height:1.85;font-size:13.5px;margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#B7C4D4;font-size:14px;transition:transform .2s ease,color .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{margin-bottom:11px;color:#B7C4D4;font-size:14px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8494A8;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sec:72px;}
  .page-head-grid{gap:36px;}
  .split{gap:40px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  h1{font-size:30px;line-height:40px;}
  h2{font-size:24px;line-height:34px;}
  .page-head-grid{grid-template-columns:1fr;}
  .page-head-media img{aspect-ratio:16/9;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split-alt .split-text,.split-alt .split-media{order:0;}
  .split + .split{margin-top:56px;}
  .note-card{grid-template-columns:1fr;}
  .lead-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps{grid-template-columns:1fr 1fr;row-gap:32px;}
  .steps::before{display:none;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .brandbar-inner{height:58px;gap:12px;}
  .brand{font-size:16px;}
  .search-wrap{display:none;}
  .nav-toggle{display:inline-flex;}
  .brandbar-actions .btn{display:none;}
  .channel-inner{height:auto;padding:10px 0;gap:0;}
  .channel-list{width:100%;}
  .channel-list a{height:40px;}
  .channel-list a::after{bottom:2px;}
  .hot-chips{display:none;}
  h1{font-size:26px;line-height:36px;}
  .lead{font-size:16px;}
  .btn{width:100%;height:48px;}
  .head-actions{flex-direction:column;}
  .steps{grid-template-columns:1fr;}
  .step{text-align:left;display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;}
  .step-dot{margin:0;}
  .step-body{text-align:left;}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .form-card{padding:20px;border-radius:12px;}
  .note-card{padding:22px;border-radius:12px;}
  .page-head{padding:24px 0 48px;}
}

/* roulang page: category1 */
:root{
  --brand:#1A5FB4;
  --brand-hover:#15498A;
  --brand-active:#103A6E;
  --brand-10:#E8F0FA;
  --accent:#0EA5A0;
  --amber:#F2A33C;
  --bg:#F5F7FA;
  --surface:#FFFFFF;
  --surface-2:#F0F4F9;
  --line:#E6ECF4;
  --text:#101B2D;
  --text-2:#4A5A72;
  --text-3:#8494A8;
  --ok:#159A6B;
  --warn:#E0A020;
  --err:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 2px 8px rgba(16,32,64,.06);
  --sh-hover:0 10px 28px rgba(16,32,64,.12);
  --sh-nav:0 4px 16px rgba(16,32,64,.08);
  --sec:88px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --bs-primary:#1A5FB4;
  --bs-primary-rgb:26,95,180;
  --bs-body-color:#101B2D;
  --bs-border-color:#E6ECF4;
  --bs-link-color:#1A5FB4;
  --bs-link-hover-color:#15498A;
  --bs-font-sans-serif:var(--font);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-hover);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(26,95,180,.28);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.2px;}
p{margin:0 0 18px;color:var(--text-2);line-height:1.85;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:64px;
  padding:10px 24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text);
  font-weight:700;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:30px;height:30px;
  border-radius:9px;
  background:var(--brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  letter-spacing:0;
  flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  max-width:360px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:4px 4px 4px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,95,180,.16);}
.search-form input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);height:36px;
}
.search-form input::placeholder{color:var(--text-3);}
.search-form button{
  border:0;background:var(--brand);color:#fff;
  width:36px;height:36px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease;
}
.search-form button:hover{background:var(--brand-hover);}
.topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--r-btn);
  cursor:pointer;
  align-items:center;justify-content:center;
  color:var(--text);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 频道行 */
.channelbar{
  background:var(--surface-2);
  border-top:1px solid var(--line);
}
.channel-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:48px;
  padding-top:4px;
  padding-bottom:4px;
}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.channel-list li{display:block;}
.channel-list a{
  position:relative;
  display:inline-block;
  padding:10px 14px 12px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease;
}
.channel-list a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.channel-list a:hover{color:var(--brand);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a[aria-current="page"]{color:var(--brand);font-weight:600;}
.channel-list a[aria-current="page"]::after{transform:scaleX(1);}
.hot-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 0;}
.hot-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-block;
  padding:5px 12px;
  font-size:13px;
  border-radius:999px;
  background:rgba(242,163,60,.12);
  color:#9A6412;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.chip:hover{background:var(--amber);color:#fff;}

/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(16,27,45,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1100;
}
.drawer-overlay.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--surface);z-index:1200;
  transform:translateX(100%);
  transition:transform .3s ease;
  padding:22px 20px;overflow-y:auto;
  box-shadow:-8px 0 30px rgba(16,32,64,.14);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head b{font-size:16px;}
.drawer-close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;color:var(--text-2);font-size:16px;line-height:1;
}
.drawer-search{display:flex;gap:8px;margin-bottom:18px;}
.drawer-search input{
  flex:1;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 12px;font-size:14px;outline:none;
}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,95,180,.16);}
.drawer-search button{
  height:44px;padding:0 16px;border:0;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:14px;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-links a{
  padding:12px 12px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2);
}
.drawer-links a:hover{background:var(--brand-10);color:var(--brand);}
.drawer-links a[aria-current="page"]{background:var(--brand-10);color:var(--brand);font-weight:600;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.4;
  padding:12px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(26,95,180,.24);}
.btn-primary:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;border-color:rgba(26,95,180,.32);color:var(--brand);}
.btn-outline:hover{background:var(--brand-10);border-color:var(--brand);color:var(--brand-hover);}
.btn-light{background:#fff;border-color:#fff;color:var(--brand);}
.btn-light:hover{background:#EAF2FC;border-color:#EAF2FC;color:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.text-link svg{transition:transform .22s ease;}
.text-link:hover svg{transform:translateX(3px);}

/* ============ 页头区 ============ */
.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:48px 0 56px;}
.page-head-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--text-2);}
.page-head h1{
  font-size:36px;line-height:1.3;font-weight:700;letter-spacing:-.5px;
  margin-bottom:18px;
}
.page-head .lead{
  font-size:17px;line-height:1.85;color:var(--text-2);
  max-width:640px;margin-bottom:22px;
}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--brand-10);color:var(--brand);
}
.pill.pill-amber{background:rgba(242,163,60,.14);color:#9A6412;}
.pill.pill-teal{background:rgba(14,165,160,.12);color:#0B7C78;}
.page-head-media{position:relative;}
.page-head-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--brand-10);
  box-shadow:var(--sh);
}
.media-note{
  position:absolute;left:18px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:12px 18px;display:flex;align-items:center;gap:10px;
}
.media-note b{font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.media-note span{font-size:13px;color:var(--text-2);}

/* ============ 板块 ============ */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--surface-2);}
.section-white{background:var(--surface);}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head h2{font-size:28px;line-height:1.4;font-weight:700;}
.section-head .sub{margin-top:12px;font-size:16px;color:var(--text-2);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* 要点三卡 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.skill-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.skill-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(26,95,180,.28);}
.card-icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--brand-10);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.skill-card h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.check-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;line-height:1.85;color:var(--text-2);
  margin-bottom:6px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}
.check-list li:last-child{margin-bottom:0;}

/* 宽幅双栏说明卡 */
.feature-split{
  display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:36px;
}
.feature-copy h3{font-size:20px;font-weight:600;margin-bottom:14px;}
.feature-copy p{font-size:16px;}
.step-list{margin-top:20px;border-top:1px dashed var(--line);padding-top:20px;}
.step-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-2);line-height:1.8;
  padding:8px 0;
}
.step-list .num{
  flex-shrink:0;
  width:24px;height:24px;border-radius:50%;
  background:var(--brand-10);color:var(--brand);
  font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;font-variant-numeric:tabular-nums;
}
.feature-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  background:var(--brand-10);
}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh);
}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;border:0;background:var(--surface);
  padding:20px 22px;
  font-size:16px;font-weight:600;color:var(--text);
  text-align:left;line-height:1.6;
  box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand);
  background:transparent;
  box-shadow:inset 3px 0 0 var(--brand);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 3px 0 0 var(--brand);}
.faq-accordion .accordion-button::after{
  content:"+";
  width:auto;height:auto;
  flex-shrink:0;
  margin-left:auto;
  font-size:22px;font-weight:400;line-height:1;
  color:var(--brand);
  background-image:none;
  transform:none;
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-body{
  padding:0 22px 22px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.faq-accordion .accordion-body p{margin-bottom:12px;font-size:15px;}
.faq-accordion .accordion-body p:last-child{margin-bottom:0;}

/* CTA 带 */
.cta-band{
  background:var(--brand);
  padding:56px 0;
  color:#fff;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:26px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-meta{
  display:flex;gap:26px;flex-wrap:wrap;
  margin-top:22px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.24);
  font-size:14px;color:rgba(255,255,255,.86);
}
.cta-meta b{color:#fff;font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:#0E1B2C;color:#B7C4D4;padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#fff;color:#0E1B2C;}
.footer-brand b{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{color:#B7C4D4;font-size:14px;line-height:1.85;margin:0;max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#B7C4D4;font-size:14px;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;line-height:2;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8494A8;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:72px;}
  .page-head h1{font-size:32px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .search-form{display:none;}
  .nav-toggle{display:flex;}
  .channelbar{display:none;}
  .page-head{padding:36px 0 44px;}
  .page-head-grid{grid-template-columns:1fr;gap:36px;}
  .page-head-media{order:-1;}
  .media-note{left:14px;bottom:-16px;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .feature-split{grid-template-columns:1fr;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .topbar-inner{padding:8px 16px;min-height:58px;}
  .brand-text{font-size:16px;}
  .page-head h1{font-size:26px;line-height:1.35;}
  .page-head .lead{font-size:15.5px;}
  .grid-3{grid-template-columns:1fr;}
  .section-head h2{font-size:23px;}
  .btn{width:100%;min-height:48px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-inner h2{font-size:22px;}
  .feature-split{padding:22px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575px){
  .skill-card{border-radius:12px;padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .media-note{padding:10px 14px;}
  .media-note b{font-size:18px;}
  .crumb-ellipsis{display:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1A5FB4;
  --c-primary-h:#15498A;
  --c-primary-a:#103A6E;
  --c-primary-10:#E8F0FA;
  --c-primary-05:rgba(26,95,180,.05);
  --c-accent:#0EA5A0;
  --c-amber:#F2A33C;
  --bg:#F5F7FA;
  --bg-soft:#F0F4F9;
  --card:#FFFFFF;
  --line:#E6ECF4;
  --t1:#101B2D;
  --t2:#4A5A72;
  --t3:#8494A8;
  --ok:#159A6B;
  --warn:#E0A020;
  --err:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 2px 8px rgba(16,32,64,.06);
  --sh-hover:0 10px 28px rgba(16,32,64,.12);
  --sh-nav:0 4px 16px rgba(16,32,64,.08);
  --sect-y:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-h);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(26,95,180,.28);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:var(--sect-y) 0;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:38px;}
.section-head .sub{margin-top:12px;color:var(--t2);font-size:16px;line-height:1.8;max-width:760px;}
.eyebrow{display:inline-block;font-size:13px;color:var(--c-primary);background:var(--c-primary-10);border-radius:999px;padding:3px 12px;margin-bottom:14px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.topbar{border-bottom:1px solid var(--line);background:#fff;transition:height .25s ease;}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px;}
.site-header.is-stuck .topbar-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t1);}
.brand:hover{color:var(--t1);}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;letter-spacing:-.5px;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.3px;}
.search-wrap{margin-left:auto;display:flex;align-items:center;}
.search-toggle{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:7px 16px;color:var(--t3);font-size:14px;cursor:pointer;transition:.2s;}
.search-toggle:hover{border-color:rgba(26,95,180,.4);color:var(--c-primary);}
.search-form{display:none;align-items:center;gap:8px;}
.search-form.is-open{display:flex;}
.search-form input{width:320px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;padding:0 16px;font-size:14px;transition:.2s;}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,95,180,.18);}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:12px 24px;border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-h);border-color:var(--c-primary-h);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(26,95,180,.22);}
.btn-primary:active{background:var(--c-primary-a);transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(26,95,180,.3);}
.btn-ghost:hover{background:var(--c-primary-10);border-color:var(--c-primary);color:var(--c-primary-h);}
.btn-sm{padding:9px 18px;font-size:14px;}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.hamburger span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;}

.channelbar{background:var(--bg);border-bottom:1px solid var(--line);transition:height .25s ease;}
.channel-inner{display:flex;align-items:center;gap:20px;height:48px;}
.channel-list{display:flex;align-items:center;gap:26px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{position:relative;display:inline-block;font-size:15px;color:var(--t2);padding:12px 0;white-space:nowrap;}
.channel-list a::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--c-primary);border-radius:2px;transform:scaleX(0);transition:transform .22s ease;}
.channel-list a:hover{color:var(--c-primary);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a[aria-current="page"]{color:var(--c-primary);font-weight:600;}
.channel-list a[aria-current="page"]::after{transform:scaleX(1);}
.hot-chips{display:flex;align-items:center;gap:8px;flex:0 0 auto;overflow-x:auto;scrollbar-width:none;}
.hot-chips::-webkit-scrollbar{display:none;}
.chip{font-size:13px;color:#B87A18;background:rgba(242,163,60,.12);border-radius:999px;padding:4px 12px;white-space:nowrap;transition:.2s;}
.chip:hover{background:var(--c-amber);color:#fff;}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(16,27,45,.5);opacity:0;visibility:hidden;transition:.25s;z-index:1040;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:1041;transform:translateX(102%);transition:transform .28s ease;padding:22px;overflow-y:auto;box-shadow:-8px 0 28px rgba(16,32,64,.14);}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer h5{font-size:14px;color:var(--t3);font-weight:600;margin:18px 0 8px;}
.mobile-drawer .drawer-link{display:block;padding:12px 4px;border-bottom:1px solid var(--line);color:var(--t1);font-size:15px;}
.mobile-drawer .drawer-link[aria-current="page"]{color:var(--c-primary);font-weight:600;}
.drawer-close{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:16px;line-height:1;cursor:pointer;}

/* ---------- page head ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:48px 0 56px;}
.breadcrumb-nav{font-size:13px;color:var(--t3);margin-bottom:18px;}
.breadcrumb-nav a{color:var(--t3);}
.breadcrumb-nav a:hover{color:var(--c-primary);}
.breadcrumb-nav span.sep{margin:0 8px;color:#C3CDDA;}
.page-head-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center;}
.page-head h1{font-size:36px;line-height:46px;margin-bottom:16px;}
.page-head .lead{color:var(--t2);font-size:16px;line-height:1.85;max-width:660px;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{font-size:13px;color:var(--c-primary);background:var(--c-primary-10);border-radius:999px;padding:5px 14px;}
.page-head-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);}
.page-head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);background:#fff;}
.compare-card.muted{background:var(--bg-soft);}
.compare-card.accent{background:var(--c-primary-05);border-color:rgba(26,95,180,.22);}
.compare-card h3{font-size:20px;line-height:30px;margin-bottom:6px;}
.compare-card .mini{font-size:13px;color:var(--t3);margin-bottom:18px;}
.compare-list li{display:flex;gap:10px;padding:11px 0;border-top:1px dashed var(--line);font-size:15px;line-height:1.8;color:var(--t2);}
.compare-list li:first-child{border-top:0;}
.dot{flex:0 0 auto;width:9px;height:9px;border-radius:50%;margin-top:10px;background:var(--t3);}
.dot.blue{background:var(--c-primary);}
.dot.teal{background:var(--c-accent);}
.dot.amber{background:var(--c-amber);}

/* ---------- checklist ---------- */
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;}
.check-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh);transition:.25s;}
.check-item:hover{border-color:rgba(26,95,180,.2);box-shadow:var(--sh-hover);transform:translateY(-3px);}
.check-item .num{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--c-primary-10);color:var(--c-primary);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
.check-item h3{font-size:17px;line-height:26px;margin-bottom:6px;}
.check-item p{font-size:14px;line-height:1.85;color:var(--t2);}

/* ---------- timeline ---------- */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 32px;box-shadow:var(--sh);}
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(26,95,180,.35),rgba(14,165,160,.28));}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--c-primary);box-shadow:0 0 0 4px rgba(26,95,180,.1);}
.tl-item.teal::before{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(14,165,160,.1);}
.tl-item h3{font-size:18px;line-height:28px;margin-bottom:6px;}
.tl-item p{font-size:15px;line-height:1.85;color:var(--t2);max-width:720px;}
.tl-meta{font-size:13px;color:var(--t3);margin-top:6px;font-variant-numeric:tabular-nums;}

/* ---------- stats strip ---------- */
.stats-strip{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:36px 20px;text-align:center;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat .num{font-size:40px;line-height:48px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.2px;}
.stat .num.teal{color:var(--c-accent);}
.stat .label{font-size:14px;color:var(--t2);margin-top:6px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;position:relative;transition:.25s;}
.faq-item:hover{border-color:rgba(26,95,180,.22);}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);opacity:0;transition:opacity .25s;}
.faq-item.is-open::before{opacity:1;}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:20px 56px 20px 24px;font-size:16px;font-weight:600;cursor:pointer;position:relative;color:var(--t1);}
.faq-q .icon{position:absolute;right:22px;top:50%;transform:translateY(-50%);width:22px;height:22px;color:var(--c-primary);font-size:20px;line-height:1;transition:transform .25s ease;font-weight:400;}
.faq-item.is-open .faq-q .icon{transform:translateY(-50%) rotate(45deg);}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--t2);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-primary);color:#fff;border-radius:var(--r-lg);padding:44px 40px;display:flex;align-items:center;gap:32px;justify-content:space-between;box-shadow:0 14px 34px rgba(16,32,64,.14);}
.cta-band h2{color:#fff;font-size:26px;line-height:36px;}
.cta-band p{color:rgba(255,255,255,.85);margin-top:10px;font-size:15px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap;}
.btn-light{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-light:hover{background:#EAF2FC;color:var(--c-primary-h);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:#0E1B2C;color:#B7C4D4;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--c-primary);}
.site-footer p{font-size:14px;line-height:1.9;color:#B7C4D4;max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:#B7C4D4;font-size:14px;transition:transform .2s ease,color .2s ease;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;line-height:2;color:#B7C4D4;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(183,196,212,.18);padding:20px 0 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8C9AAC;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-head-grid{grid-template-columns:1.2fr .8fr;gap:32px;}
}
@media (max-width:991px){
  :root{--sect-y:64px;}
  .search-toggle span{display:none;}
  .search-form input{width:220px;}
  .page-head{padding:36px 0 44px;}
  .page-head-grid{grid-template-columns:1fr;gap:28px;}
  .page-head h1{font-size:30px;line-height:40px;}
  .compare-grid{grid-template-columns:1fr;}
  .checklist{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:0;}
  .stat{border-top:1px solid var(--line);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;}
}
@media (max-width:767px){
  :root{--sect-y:48px;}
  .container{padding-left:16px;padding-right:16px;}
  .channelbar{display:none;}
  .hamburger{display:flex;}
  .search-wrap{display:none;}
  .brand-text{font-size:15px;}
  .page-head h1{font-size:26px;line-height:36px;}
  .section-head h2{font-size:23px;line-height:33px;}
  .btn{width:100%;height:48px;}
  .topbar-actions .btn{width:auto;height:auto;}
  .cta-actions{width:100%;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat .num{font-size:32px;line-height:40px;}
  .timeline-wrap{padding:26px 20px;}
}
@media (max-width:575px){
  .compare-card,.check-item{border-radius:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}