/* roulang page: index */
:root{
  --c-ink:#0F3D3A;
  --c-ink-2:#14514C;
  --c-ink-3:#0B2E2B;
  --c-accent:#13C2A3;
  --c-accent-dark:#0FA48A;
  --c-accent-soft:#E4F7F2;
  --c-amber:#F5A524;
  --c-bg:#F6F8F7;
  --c-card:#FFFFFF;
  --c-line:#E3EAE8;
  --c-text:#1B2321;
  --c-text-2:#5A6B67;
  --c-text-3:#8A9995;
  --c-danger:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,58,.06);
  --sh-2:0 10px 28px rgba(15,61,58,.10);
  --sp-section:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(19,194,163,.45);outline-offset:2px;}
h1,h2,h3,h4{line-height:1.3;margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.num{font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary-ink{background:var(--c-accent);color:#04211D;box-shadow:0 6px 16px rgba(19,194,163,.28);}
.btn-primary-ink:hover{background:var(--c-accent-dark);color:#04211D;transform:translateY(-1px);box-shadow:0 10px 22px rgba(19,194,163,.34);}
.btn-primary-ink:active{transform:translateY(0);box-shadow:0 3px 10px rgba(19,194,163,.28);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-outline-ink{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-outline-ink:hover{border-color:var(--c-accent);color:var(--c-accent-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-ink);background:none;border:0;padding:6px 0;cursor:pointer;}
.btn-link-arrow i{transition:transform .24s ease;}
.btn-link-arrow:hover{color:var(--c-accent-dark);}
.btn-link-arrow:hover i{transform:translateX(4px);}
.btn[disabled],.btn-base[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章与标签 */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent-soft);color:var(--c-ink);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:600;line-height:1.6;
}
.badge-amber{background:rgba(245,165,36,.16);color:#8A5A06;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-accent-dark);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(15,61,58,.98);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(11,46,43,.28);background:rgba(11,46,43,.99);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  padding:14px 0;transition:padding .25s ease;
}
.site-header.is-scrolled .header-inner{padding:9px 0;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-accent),#0B8E7B);
  display:flex;align-items:center;justify-content:center;
  color:#03231F;font-weight:800;font-size:16px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(19,194,163,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:700;color:#fff;white-space:nowrap;}
.brand-text small{font-size:11.5px;color:rgba(255,255,255,.62);white-space:nowrap;}
.nav-search{
  flex:1 1 auto;max-width:460px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{background:rgba(255,255,255,.16);border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(19,194,163,.25);}
.nav-search svg{flex:0 0 18px;color:rgba(255,255,255,.7);}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;color:#fff;
  height:34px;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.58);}
.nav-search button{
  flex:0 0 auto;border:0;border-radius:var(--r-pill);
  background:var(--c-accent);color:#04211D;font-weight:700;font-size:14px;
  padding:8px 18px;cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:#2AD2B5;transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  color:rgba(255,255,255,.82);font-size:14px;font-weight:500;
  padding:8px 12px;border-radius:8px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(255,255,255,.10);color:#fff;}
.nav-links a.active{color:#fff;background:rgba(19,194,163,.20);box-shadow:inset 0 0 0 1px rgba(19,194,163,.4);}
.nav-cta{
  flex:0 0 auto;border:0;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;cursor:pointer;border:1px solid rgba(255,255,255,.22);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--c-amber);border-color:var(--c-amber);color:#3A2600;transform:translateY(-1px);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:#fff;cursor:pointer;
}
.mobile-panel{display:none;background:var(--c-ink-3);border-top:1px solid rgba(255,255,255,.08);padding:14px 0 20px;}
.mobile-panel.open{display:block;}
.mobile-panel .mp-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);padding:6px 6px 6px 14px;margin-bottom:14px;}
.mobile-panel .mp-search input{flex:1;min-width:0;background:transparent;border:0;color:#fff;height:34px;outline:none;}
.mobile-panel .mp-search input::placeholder{color:rgba(255,255,255,.55);}
.mobile-panel .mp-search button{border:0;border-radius:var(--r-pill);background:var(--c-accent);color:#04211D;font-weight:700;padding:8px 16px;}
.mobile-panel .mp-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.mobile-panel .mp-links a{
  display:block;padding:12px 14px;border-radius:10px;background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.88);font-size:14px;font-weight:500;
}
.mobile-panel .mp-links a.active{background:rgba(19,194,163,.22);color:#fff;}

/* Hero */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(11,46,43,.92),rgba(15,61,58,.78)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding:78px 0 84px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{font-size:44px;font-weight:800;margin:18px 0 18px;letter-spacing:.4px;}
.hero h1 span{color:var(--c-accent);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:rgba(255,255,255,.78);}
.hero-points span{display:inline-flex;align-items:center;gap:7px;}
.hero-points i{color:var(--c-accent);}
.hero-side{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.mini-card{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
  padding:18px 16px;
  backdrop-filter:blur(2px);
  transition:background .24s ease,transform .24s ease;
}
.mini-card:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.mini-card .mc-num{font-size:28px;font-weight:800;color:#fff;line-height:1.2;}
.mini-card .mc-num small{font-size:13px;font-weight:600;color:var(--c-accent);margin-left:4px;}
.mini-card .mc-label{font-size:13.5px;color:rgba(255,255,255,.82);margin-top:4px;}
.mini-card .mc-note{font-size:11.5px;color:rgba(255,255,255,.55);margin-top:6px;}

/* 通用板块 */
.section{padding:var(--sp-section) 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:31px;margin:14px 0 14px;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--c-accent),#0B8E7B);
}
.section-head p{color:var(--c-text-2);font-size:15.5px;margin:0;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}

/* 指标看板 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.metric:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(19,194,163,.4);}
.metric .m-top{display:flex;align-items:baseline;gap:6px;}
.metric .m-num{font-size:38px;font-weight:800;color:var(--c-ink);line-height:1;}
.metric .m-unit{font-size:14px;font-weight:700;color:var(--c-accent-dark);}
.metric .m-label{margin-top:12px;font-size:15.5px;font-weight:700;}
.metric .m-desc{margin-top:6px;font-size:13px;color:var(--c-text-2);}
.metric .m-bar{margin-top:16px;height:6px;border-radius:6px;background:var(--c-accent-soft);overflow:hidden;}
.metric .m-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--c-accent),#0B8E7B);}
.metric .m-foot{margin-top:10px;font-size:11.5px;color:var(--c-text-3);}

/* 分类入口 */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.topic-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-ink);color:#fff;min-height:268px;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(15,61,58,.24);color:#fff;}
.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;transition:transform .32s ease,opacity .3s ease;}
.topic-card:hover img{transform:scale(1.05);opacity:.5;}
.topic-card .tc-body{position:relative;z-index:2;padding:24px 22px;height:100%;display:flex;flex-direction:column;background:linear-gradient(180deg,rgba(11,46,43,.30),rgba(11,46,43,.90));}
.topic-card .tc-body h3{font-size:19px;margin-bottom:10px;}
.topic-card .tc-body p{font-size:13.5px;color:rgba(255,255,255,.80);margin-bottom:auto;}
.topic-card .tc-foot{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--c-accent);}
.topic-card .tc-foot i{transition:transform .24s ease;}
.topic-card:hover .tc-foot i{transform:translateX(4px);}

/* 服务矩阵 */
.svc-row1{display:grid;grid-template-columns:7fr 5fr;gap:22px;margin-bottom:22px;}
.svc-feature{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.svc-feature figure{margin:0;overflow:hidden;aspect-ratio:16/8;}
.svc-feature figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.svc-feature:hover figure img{transform:scale(1.03);}
.svc-feature .sf-body{padding:26px 26px 28px;}
.svc-feature h3{font-size:22px;margin-bottom:12px;}
.svc-feature p{color:var(--c-text-2);font-size:15px;max-width:640px;}
.svc-panel{
  background:var(--c-ink);color:#fff;border-radius:var(--r-card);padding:28px 26px;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
}
.svc-panel h3{font-size:20px;margin-bottom:14px;}
.svc-panel ul li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.84);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.14);}
.svc-panel ul li:last-child{border-bottom:0;}
.svc-panel ul li i{color:var(--c-accent);margin-top:5px;font-size:12px;}
.svc-panel .sp-foot{margin-top:auto;padding-top:18px;}
.svc-list{display:grid;grid-template-columns:1fr;gap:14px;}
.svc-item{
  display:flex;align-items:center;gap:18px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 24px;
  box-shadow:var(--sh-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.svc-item:hover{border-color:rgba(19,194,163,.45);box-shadow:var(--sh-2);transform:translateX(3px);}
.svc-item .si-ico{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  background:var(--c-accent-soft);color:var(--c-ink);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.svc-item .si-main{flex:1 1 auto;min-width:0;}
.svc-item .si-main h3{font-size:16.5px;margin-bottom:4px;}
.svc-item .si-main p{margin:0;font-size:13.5px;color:var(--c-text-2);}
.svc-item .si-tag{flex:0 0 auto;}
.svc-item .si-arrow{flex:0 0 auto;color:var(--c-text-3);transition:transform .24s ease,color .24s ease;}
.svc-item:hover .si-arrow{transform:translateX(4px);color:var(--c-accent-dark);}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1);}
.compare-col{padding:30px 28px;}
.compare-col.plain{background:#FBFCFC;color:var(--c-text-2);}
.compare-col.good{background:linear-gradient(160deg,#FFFFFF,#EAF9F5);border-left:1px solid var(--c-line);}
.compare-col h3{font-size:18px;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.compare-col.plain h3{color:var(--c-text-2);}
.compare-col.good h3{color:var(--c-ink);}
.compare-col h3 .dot{width:10px;height:10px;border-radius:50%;background:#C6CFCC;}
.compare-col.good h3 .dot{background:var(--c-accent);}
.compare-col li{display:flex;gap:10px;font-size:14.5px;padding:10px 0;border-bottom:1px dashed var(--c-line);}
.compare-col li:last-child{border-bottom:0;}
.compare-col.plain li i{color:#B6C0BD;margin-top:6px;font-size:11px;}
.compare-col.good li{color:var(--c-text);}
.compare-col.good li i{color:var(--c-accent);margin-top:6px;font-size:11px;}

/* 最新信息 CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(19,194,163,.4);}
.news-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--c-accent-soft);}
.news-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover figure img{transform:scale(1.04);}
.news-card .nc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-card .nc-body h3{font-size:17px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .nc-body h3 a{color:var(--c-text);}
.news-card .nc-body h3 a:hover{color:var(--c-accent-dark);}
.news-card .nc-excerpt{font-size:13.5px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-card .nc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-text-3);}
.empty-state{
  grid-column:1/-1;background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--c-text-2);
}
.empty-state i{font-size:30px;color:var(--c-accent);margin-bottom:12px;display:block;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;}
.faq-left h2{font-size:30px;margin:14px 0 16px;padding-left:16px;position:relative;}
.faq-left h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--c-accent),#0B8E7B);}
.faq-left p{color:var(--c-text-2);font-size:15px;}
.faq-left .faq-hint{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;margin-top:22px;box-shadow:var(--sh-1);}
.faq-left .faq-hint i{color:var(--c-amber);margin-top:4px;}
.faq-left .faq-hint span{font-size:13.5px;color:var(--c-text-2);}
.accordion-item{border:1px solid var(--c-line)!important;border-radius:var(--r-card)!important;margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);}
.accordion-button{
  background:#fff;color:var(--c-text);font-size:16px;font-weight:600;padding:20px 22px;
  box-shadow:none!important;display:flex;align-items:center;gap:14px;
}
.accordion-button .q-index{flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:var(--c-accent-soft);color:var(--c-ink);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.accordion-button::after{display:none;}
.accordion-button .q-caret{margin-left:auto;transition:transform .26s ease;color:var(--c-text-3);}
.accordion-button:not(.collapsed){color:var(--c-ink);background:#F5FCFA;}
.accordion-button:not(.collapsed) .q-caret{transform:rotate(180deg);color:var(--c-accent-dark);}
.accordion-button:focus{box-shadow:none;}
.accordion-body{padding:0 22px 22px 66px;font-size:14.5px;color:var(--c-text-2);border-left:3px solid transparent;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--c-accent)!important;}

/* 表单 */
.cta-section{background:linear-gradient(135deg,var(--c-ink),#0B2E2B);color:#fff;position:relative;overflow:hidden;}
.cta-section::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(19,194,163,.22),transparent 65%);}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start;}
.cta-grid h2{font-size:30px;margin:14px 0 16px;}
.cta-grid .cta-lead{color:rgba(255,255,255,.82);font-size:15.5px;max-width:560px;}
.cta-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.86);padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
.cta-list li:last-child{border-bottom:0;}
.cta-list li i{color:var(--c-accent);margin-top:6px;font-size:11px;}
.contact-strip{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}
.contact-strip span{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-pill);padding:9px 16px;color:rgba(255,255,255,.9);
}
.form-card{background:#fff;border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-2);color:var(--c-text);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .fc-sub{font-size:13.5px;color:var(--c-text-2);margin-bottom:20px;}
.form-label{font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--c-text);}
.form-control{
  height:48px;border-radius:var(--r-input);border:1px solid var(--c-line);font-size:14.5px;
  padding:10px 14px;background:#FCFDFD;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
textarea.form-control{height:auto;min-height:112px;resize:vertical;line-height:1.7;}
.form-control:focus{border-color:var(--c-accent);background:#fff;box-shadow:0 0 0 3px rgba(19,194,163,.18);}
.form-control.is-invalid{border-color:var(--c-danger);}
.field-error{font-size:12px;color:var(--c-danger);margin-top:5px;display:none;}
.field-error.show{display:block;}
.form-note{font-size:12px;color:var(--c-text-3);margin-top:14px;}
.toast-ok{
  display:none;margin-bottom:16px;border-radius:10px;background:var(--c-accent-soft);
  color:var(--c-ink);font-size:13.5px;padding:12px 16px;font-weight:600;
}
.toast-ok.show{display:block;}

/* 页脚 */
.site-footer{background:var(--c-ink-3);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:15px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700;}
.footer-brand small{display:block;font-size:11.5px;color:rgba(255,255,255,.55);}
.site-footer p{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.85;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a{color:rgba(255,255,255,.70);font-size:13.5px;transition:color .2s ease,padding-left .2s ease;}
.site-footer ul li a:hover{color:var(--c-accent);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.70);margin-bottom:12px;}
.footer-contact li i{color:var(--c-accent);margin-top:5px;font-size:12px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--c-accent);}

/* 响应式 */
@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .hero-inner{gap:40px;}
  .nav-search{max-width:340px;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  :root{--sp-section:64px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;padding:58px 0 64px;}
  .hero h1{font-size:32px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .svc-row1{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .compare-col.good{border-left:0;border-top:1px solid var(--c-line);}
  .faq-wrap{grid-template-columns:1fr;gap:30px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section-head h2{font-size:25px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .news-grid{grid-template-columns:1fr;}
  .svc-item{flex-wrap:wrap;align-items:flex-start;}
  .svc-item .si-tag{order:3;}
  .accordion-body{padding-left:22px;}
  .form-card{padding:22px 20px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .metrics{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .hero-side{grid-template-columns:1fr 1fr;}
  .brand-text small{display:none;}
  .hero-actions .btn-base{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --c-ink:#0F3D3A;
  --c-ink-2:#14514C;
  --c-accent:#13C2A3;
  --c-accent-dark:#0EA88D;
  --c-accent-soft:#E4F7F3;
  --c-amber:#F5A524;
  --c-bg:#F6F8F7;
  --c-card:#FFFFFF;
  --c-line:#E3EAE8;
  --t-main:#1B2321;
  --t-sub:#5A6B67;
  --t-weak:#8A9995;
  --c-danger:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,58,.06);
  --sh-2:0 10px 28px rgba(15,61,58,.10);
  --bs-primary:#13C2A3;
  --bs-body-color:#1B2321;
  --bs-body-bg:#F6F8F7;
  --bs-link-color:#0F3D3A;
  --bs-link-hover-color:#13C2A3;
  --bs-border-color:#E3EAE8;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{padding-left:1.2em;}
h1,h2,h3,h4{line-height:1.3;margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.2em;}
::selection{background:rgba(19,194,163,.24);}
:focus-visible{outline:3px solid rgba(19,194,163,.45);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-top{
  display:flex;align-items:center;gap:22px;
  padding:14px 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled .header-top{padding:9px 0;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-ink),var(--c-accent));
  color:#fff;font-size:17px;font-weight:700;letter-spacing:1px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;color:var(--c-ink);letter-spacing:.3px;}
.brand-text small{font-size:11px;color:var(--t-weak);letter-spacing:.6px;}
.header-search{flex:1 1 auto;max-width:520px;min-width:200px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{
  position:absolute;left:18px;color:var(--t-weak);font-size:14px;pointer-events:none;
}
.search-box input{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#F2F6F5;
  padding:0 108px 0 44px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:#9AA8A5;}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(19,194,163,.18);
}
.search-box button{
  position:absolute;right:5px;top:5px;bottom:5px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;
  padding:0 20px;cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.search-box button:hover{background:var(--c-accent-dark);}
.search-box button:active{transform:translateY(1px);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.btn-ghost-line{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-btn);
  border:1px solid var(--c-ink);color:var(--c-ink);font-size:14px;font-weight:600;
  background:transparent;transition:all .2s ease;
}
.btn-ghost-line:hover{background:var(--c-ink);color:#fff;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;display:none;align-items:center;justify-content:center;
  cursor:pointer;color:var(--c-ink);
}
.header-bottom{border-top:1px solid var(--c-line);}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:6px 0;}
.nav-links a{
  position:relative;padding:10px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--t-sub);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--c-ink);background:#EFF5F3;}
.nav-links a.active{color:var(--c-ink);background:var(--c-accent-soft);}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  border-radius:2px;background:var(--c-accent);
}

/* ---------- 页头装饰带 ---------- */
.page-banner{
  background-image:linear-gradient(90deg,rgba(15,61,58,.90),rgba(15,61,58,.72)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:22px 0;
}
.breadcrumb-line{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.78);
}
.breadcrumb-line a{color:rgba(255,255,255,.86);}
.breadcrumb-line a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb-line .sep{color:rgba(255,255,255,.5);}
.breadcrumb-line .current{color:#fff;font-weight:600;}

/* ---------- 主体布局 ---------- */
.main-area{padding:36px 0 8px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;align-items:start;
}
.panel{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.article-panel{padding:34px 38px 40px;}
.article-head .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent-soft);color:var(--c-ink);
  font-size:12px;font-weight:700;letter-spacing:.3px;
  padding:5px 12px;border-radius:var(--r-pill);
}
.badge-amber{background:#FEF3DE;color:#8A5A00;}
.article-head h1{
  font-size:31px;line-height:1.36;color:var(--c-ink);
  margin-bottom:16px;letter-spacing:.2px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:18px;
  font-size:13.5px;color:var(--t-weak);
  padding-bottom:20px;border-bottom:1px dashed var(--c-line);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--c-accent);}

/* ---------- 正文排版 ---------- */
.article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:#26302D;padding-top:26px;}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:23px;color:var(--c-ink);
  margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;
  border-radius:4px;background:var(--c-accent);
}
.article-body h3{
  font-size:18.5px;color:var(--c-ink-2);margin:1.8em 0 .7em;
}
.article-body h4{font-size:16.5px;color:var(--c-ink-2);margin:1.5em 0 .6em;}
.article-body p{margin:0 0 1.35em;color:#2C3734;}
.article-body a{color:var(--c-accent-dark);border-bottom:1px solid rgba(19,194,163,.4);}
.article-body a:hover{color:var(--c-ink);border-bottom-color:var(--c-ink);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em;}
.article-body li{margin-bottom:.55em;}
.article-body ul li::marker{color:var(--c-accent);}
.article-body ol li::marker{color:var(--c-accent);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  background:#EFFAF7;border-left:3px solid var(--c-accent);
  border-radius:0 12px 12px 0;color:#2A4B46;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;margin:1.6em auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--t-weak);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:1.7em 0;font-size:14.5px;overflow:hidden;
  border-radius:12px;border:1px solid var(--c-line);
}
.article-body thead th{
  background:var(--c-ink);color:#fff;font-weight:600;
  padding:12px 14px;text-align:left;
}
.article-body tbody td{
  padding:12px 14px;border-top:1px solid var(--c-line);color:#31403C;
}
.article-body tbody tr:nth-child(even) td{background:#F7FBFA;}
.article-body pre{
  background:#F1F6F4;border:1px solid var(--c-line);
  border-radius:12px;padding:16px 18px;overflow:auto;
  font-size:13.5px;line-height:1.7;margin:1.6em 0;
}
.article-body code{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  background:#EFF5F3;border-radius:6px;padding:2px 6px;font-size:14px;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:2.2em 0;}
.article-body strong{color:var(--c-ink);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 20px 70px;
}
.empty-state i{font-size:44px;color:var(--c-accent);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;color:var(--c-ink);margin-bottom:10px;}
.empty-state p{color:var(--t-sub);max-width:460px;margin:0 auto 22px;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{padding:22px 22px 24px;}
.side-card h3{
  font-size:15px;color:var(--c-ink);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--c-accent);}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc-list li{counter-increment:toc;margin-bottom:9px;}
.toc-list a{
  display:flex;gap:9px;font-size:14px;color:var(--t-sub);line-height:1.55;
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);
  color:var(--c-accent);font-weight:700;font-size:12.5px;flex-shrink:0;
  padding-top:2px;
}
.toc-list a:hover{color:var(--c-ink);}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li+li{border-top:1px solid var(--c-line);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding:11px 0;font-size:14px;color:var(--t-sub);
}
.side-links a:hover{color:var(--c-ink);}
.side-links a i{color:var(--c-accent);font-size:12px;transition:transform .2s ease;}
.side-links a:hover i{transform:translateX(3px);}
.side-tip{
  background:linear-gradient(150deg,var(--c-ink),#155A53);
  color:#EAF6F3;border:0;
}
.side-tip h3{color:#fff;}
.side-tip h3 i{color:var(--c-amber);}
.side-tip p{font-size:13.5px;color:rgba(234,246,243,.82);margin:0;line-height:1.75;}

/* ---------- 文末导航与推荐 ---------- */
.post-nav{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px;
}
.post-nav a{
  display:flex;flex-direction:column;gap:8px;
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.post-nav a:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#CFE7E2;}
.post-nav small{font-size:12px;color:var(--t-weak);letter-spacing:1px;}
.post-nav strong{font-size:16px;color:var(--c-ink);font-weight:700;line-height:1.5;}
.section-block{margin-top:52px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;}
.section-head h2{font-size:23px;color:var(--c-ink);}
.section-head p{font-size:14px;color:var(--t-sub);margin:6px 0 0;}
.section-head .head-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.recommend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rec-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease;
}
.rec-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.rec-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7EFED;}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rec-card:hover .thumb img{transform:scale(1.04);}
.rec-card .thumb .badge-soft{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:16.5px;color:var(--c-ink);line-height:1.5;}
.rec-body p{font-size:13.8px;color:var(--t-sub);margin:0;line-height:1.7;}
.rec-body .rec-more{margin-top:auto;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;color:var(--c-accent-dark);}
.rec-card:hover .rec-more i{transform:translateX(3px);}
.rec-body .rec-more i{transition:transform .2s ease;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:52px;
  background-image:linear-gradient(100deg,rgba(15,61,58,.94),rgba(19,194,163,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border-radius:18px;padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;color:#fff;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.86);margin:0;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:0;
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;
  cursor:pointer;box-shadow:0 6px 18px rgba(19,194,163,.32);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(19,194,163,.36);}
.btn-main:active{transform:translateY(0);}
.btn-main:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-outline-light2{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.7);color:#fff;font-size:15px;font-weight:600;
  background:transparent;transition:all .2s ease;
}
.btn-outline-light2:hover{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink);font-size:14px;font-weight:600;transition:all .2s ease;
}
.btn-line:hover{border-color:var(--c-accent);color:var(--c-accent-dark);background:#F4FCFA;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:70px;background:var(--c-ink);color:rgba(236,245,243,.78);
  padding:56px 0 0;font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;
  padding-bottom:38px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{
  background:linear-gradient(140deg,#13C2A3,#0F3D3A);
}
.footer-brand strong{display:block;color:#fff;font-size:16px;}
.footer-brand small{color:rgba(236,245,243,.6);font-size:11.5px;letter-spacing:.5px;}
.site-footer p{color:rgba(236,245,243,.7);line-height:1.85;font-size:13.5px;margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{color:rgba(236,245,243,.78);font-size:13.8px;}
.site-footer ul a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--c-accent);margin-top:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(236,245,243,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:26px;}
  .article-panel{padding:30px 28px 34px;}
}
@media (max-width:1023.98px){
  .header-top{flex-wrap:wrap;gap:14px;}
  .header-search{order:3;flex:1 1 100%;max-width:100%;}
  .article-layout{grid-template-columns:1fr;}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-col>*{flex:1 1 280px;}
  .recommend-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .nav-toggle{display:flex;}
  .nav-links{
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:10px 0 14px;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 14px;border-radius:10px;}
  .nav-links a.active::after{display:none;}
  .header-actions .btn-ghost-line{display:none;}
  .article-head h1{font-size:24px;}
  .article-panel{padding:22px 18px 26px;border-radius:12px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .recommend-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:14px;}
  .cta-band h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .brand-text strong{font-size:15px;}
  .brand-text small{display:none;}
  .article-head h1{font-size:21px;line-height:1.45;}
  .article-meta{gap:12px;font-size:12.5px;}
  .btn-main,.btn-outline-light2{width:100%;}
  .cta-actions{width:100%;}
  .side-col>*{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --c-ink:#0F3D3A;
  --c-ink-deep:#0A2C2A;
  --c-accent:#13C2A3;
  --c-accent-dark:#0EA089;
  --c-amber:#F5A524;
  --c-bg:#F6F8F7;
  --c-card:#FFFFFF;
  --c-line:#E3EAE8;
  --c-text:#1B2321;
  --c-text-2:#5A6B67;
  --c-text-3:#8A9995;
  --c-danger:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,58,.06);
  --sh-2:0 10px 28px rgba(15,61,58,.10);
  --sp-section:76px;
  --bs-primary:#13C2A3;
  --bs-primary-rgb:19,194,163;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent-dark);}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(19,194,163,.45);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sp-section) 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--c-accent-dark);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:3px;border-radius:2px;background:var(--c-accent);display:inline-block;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:14px;color:var(--c-text-2);max-width:700px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(19,194,163,.28);}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(19,194,163,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(19,194,163,.26);}
.btn-primary:disabled{background:#A9B7B4;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-outline{background:transparent;color:var(--c-ink);border-color:rgba(15,61,58,.28);}
.btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent-dark);transform:translateY(-1px);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.52);}
.btn-light:hover{background:#fff;color:var(--c-ink);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--c-accent-dark);}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(5px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(19,194,163,.12);color:var(--c-ink);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.badge-amber{background:rgba(245,165,36,.16);color:#92590A;}
.badge-soft{background:#EDF3F1;color:var(--c-text-2);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(15,61,58,.09);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;flex-wrap:wrap;
  transition:min-height .25s ease;
}
.site-header.scrolled .header-inner{min-height:66px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-ink),#14615A);
  color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;letter-spacing:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.24;}
.brand-text strong{font-size:16px;color:var(--c-ink);font-weight:700;white-space:nowrap;}
.brand-text small{font-size:11.5px;color:var(--c-text-3);letter-spacing:.6px;}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 320px;max-width:440px;
  background:#F1F5F4;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:5px 5px 5px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(19,194,163,.16);}
.nav-search i{color:var(--c-text-3);font-size:14px;}
.nav-search input{
  flex:1;border:none;background:transparent;outline:none;
  padding:8px 10px;font-size:14.5px;min-width:0;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  border:none;background:var(--c-ink);color:#fff;
  padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease;
}
.nav-search button:hover{background:var(--c-accent-dark);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:8px 12px;border-radius:8px;font-size:14.5px;color:var(--c-text-2);font-weight:500;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--c-ink);background:#EFF5F3;}
.nav-links a.active{color:var(--c-ink);font-weight:700;background:rgba(19,194,163,.13);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent-dark);}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{opacity:.6;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-color:var(--c-ink);
  background-image:linear-gradient(115deg,rgba(15,61,58,.92),rgba(10,44,42,.78)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:64px;}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);
  margin:22px 0 16px;max-width:880px;
}
.page-hero .lead{
  max-width:720px;color:rgba(255,255,255,.86);font-size:16.5px;line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:44px;
}
.fact-card{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-card);
  padding:18px 20px;backdrop-filter:blur(2px);
}
.fact-card strong{display:block;font-size:15px;color:#fff;margin-bottom:6px;}
.fact-card span{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.7;}

/* ---------- 步骤条 ---------- */
.steps-wrap{position:relative;}
.steps-list{position:relative;margin:0;}
.step-item{
  position:relative;
  display:grid;grid-template-columns:64px minmax(0,1fr);
  gap:22px;padding-bottom:34px;
}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:31px;top:56px;bottom:-6px;width:2px;
  background:linear-gradient(180deg,rgba(19,194,163,.45),rgba(19,194,163,.08));
}
.step-item:last-child::before{display:none;}
.step-no{
  width:64px;height:64px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);
  color:var(--c-ink);font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);position:relative;z-index:2;
}
.step-item:hover .step-no{border-color:var(--c-accent);color:var(--c-accent-dark);}
.step-body{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.step-body:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(19,194,163,.34);}
.step-body h3{font-size:18px;margin-bottom:10px;}
.step-body p{color:var(--c-text-2);font-size:15px;margin-bottom:14px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:46px;align-items:center;}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(15,61,58,.86);color:#fff;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.4px;
}
.point-list{display:grid;gap:18px;}
.point-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.point-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.point-item i{
  width:44px;height:44px;border-radius:12px;background:rgba(19,194,163,.12);
  color:var(--c-accent-dark);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.point-item h3{font-size:16.5px;margin-bottom:6px;}
.point-item p{font-size:14.5px;color:var(--c-text-2);margin:0;}

/* ---------- 对照表 ---------- */
.compare{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:0;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.compare-col{padding:28px 30px;}
.compare-col + .compare-col{border-left:1px solid var(--c-line);}
.compare-col h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.compare-col h3 i{font-size:15px;}
.compare-col.muted{background:#F2F5F4;}
.compare-col.muted h3{color:var(--c-text-2);}
.compare-col.accent{background:linear-gradient(180deg,rgba(19,194,163,.09),rgba(19,194,163,.02));}
.compare-col.accent h3{color:var(--c-ink);}
.compare-list li{
  position:relative;padding-left:22px;margin-bottom:12px;
  font-size:14.6px;color:var(--c-text-2);line-height:1.8;
}
.compare-list li:last-child{margin-bottom:0;}
.compare-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;background:#C6D2CF;
}
.compare-col.accent .compare-list li{color:var(--c-text);}
.compare-col.accent .compare-list li::before{background:var(--c-accent);}
.compare-note{
  margin-top:20px;display:flex;gap:12px;align-items:flex-start;
  background:rgba(245,165,36,.10);border-left:3px solid var(--c-amber);
  padding:14px 18px;border-radius:0 10px 10px 0;font-size:14.5px;color:var(--c-text-2);
}
.compare-note i{color:#B57407;margin-top:4px;}

/* ---------- 分类卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.topic-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.topic-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(19,194,163,.3);}
.topic-card .thumb{overflow:hidden;}
.topic-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.topic-card:hover .thumb img{transform:scale(1.04);}
.topic-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-card h3{font-size:16.5px;}
.topic-card p{font-size:14px;color:var(--c-text-2);margin:0;flex:1;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:44px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px;}
.faq-aside p{color:var(--c-text-2);font-size:15px;}
.faq-aside .aside-tip{
  margin-top:22px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);font-size:14px;color:var(--c-text-2);
}
.faq-aside .aside-tip strong{display:block;color:var(--c-ink);font-size:15px;margin-bottom:6px;}
.accordion-item{border:none;border-bottom:1px solid var(--c-line);background:transparent;}
.accordion-item:last-child{border-bottom:none;}
.accordion-button{
  background:transparent;border:none;box-shadow:none;
  padding:22px 6px 22px 0;font-size:16.5px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;gap:14px;
  transition:color .2s ease;
}
.accordion-button:not(.collapsed){color:var(--c-accent-dark);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;border-radius:8px;}
.accordion-button:hover{color:var(--c-accent-dark);}
.accordion-button .faq-no{
  flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--c-text-3);letter-spacing:1px;
  width:30px;
}
.accordion-button::after{
  content:"";flex:0 0 auto;width:12px;height:12px;
  border-right:2px solid var(--c-text-3);border-bottom:2px solid var(--c-text-3);
  transform:rotate(45deg);transition:transform .25s ease,border-color .2s ease;
  background:none;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-accent-dark);}
.accordion-body{padding:0 42px 22px 44px;color:var(--c-text-2);font-size:15px;}
.accordion-button::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--c-accent);border-radius:2px;
  transition:height .25s ease;
}
.accordion-button{position:relative;}
.accordion-button:not(.collapsed)::before{height:22px;}

/* ---------- CTA ---------- */
.cta-band{
  background-color:var(--c-ink);color:#fff;border-radius:20px;overflow:hidden;position:relative;
  background-image:linear-gradient(110deg,rgba(15,61,58,.94),rgba(15,61,58,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band .inner{
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:36px;align-items:center;padding:48px 44px;position:relative;z-index:2;
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.84);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink-deep);color:rgba(255,255,255,.76);padding:60px 0 24px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:38px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--c-accent),#0C8C79);}
.footer-brand strong{display:block;color:#fff;font-size:16px;}
.footer-brand small{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.5px;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px;}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer ul li a{color:rgba(255,255,255,.76);}
.site-footer ul li a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--c-accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  :root{--sp-section:60px;}
  .header-inner{gap:12px;padding-top:10px;padding-bottom:10px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-links{
    order:4;flex:1 1 100%;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:10px;box-shadow:var(--sh-2);display:none;margin:0;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);gap:28px;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .compare{grid-template-columns:minmax(0,1fr);}
  .compare-col + .compare-col{border-left:none;border-top:1px solid var(--c-line);}
  .cta-band .inner{grid-template-columns:minmax(0,1fr);padding:38px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-text small{display:none;}
  .page-hero .container{padding-top:36px;padding-bottom:46px;}
  .hero-facts{grid-template-columns:minmax(0,1fr);}
  .step-item{grid-template-columns:48px minmax(0,1fr);gap:16px;}
  .step-no{width:48px;height:48px;font-size:17px;}
  .step-item::before{left:23px;top:44px;}
  .step-body{padding:18px 18px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .accordion-body{padding:0 6px 20px 44px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .nav-search{padding-left:12px;}
  .nav-search button{padding:8px 14px;font-size:13.5px;}
  .page-hero h1{font-size:26px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#0F3D3A;
  --c-ink-soft:#16564F;
  --c-accent:#13C2A3;
  --c-accent-dark:#0FA98D;
  --c-accent-soft:#E6F8F4;
  --c-amber:#F5A524;
  --c-bg:#F6F8F7;
  --c-card:#FFFFFF;
  --c-line:#E3EAE8;
  --t-main:#1B2321;
  --t-sub:#5A6B67;
  --t-weak:#8A9995;
  --danger:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(15,61,58,.06);
  --sh-2:0 10px 28px rgba(15,61,58,.10);
  --container:1200px;

  --bs-primary:#13C2A3;
  --bs-primary-rgb:19,194,163;
  --bs-body-bg:#F6F8F7;
  --bs-body-color:#1B2321;
  --bs-border-color:#E3EAE8;
  --bs-link-color:#0F3D3A;
  --bs-link-hover-color:#13C2A3;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-border-radius:.875rem;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-main);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--c-ink);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(19,194,163,.42);outline-offset:2px;border-radius:6px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  padding:12px 22px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  cursor:pointer;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-primary,
.btn-primary:focus{
  background:var(--c-accent);
  color:#fff;
  border-color:var(--c-accent);
  box-shadow:0 6px 16px rgba(19,194,163,.24);
}
.btn-primary:hover{
  background:var(--c-accent-dark);
  border-color:var(--c-accent-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(19,194,163,.30);
}
.btn-primary:disabled{background:#A8DED2;border-color:#A8DED2;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-outline{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.62);
}
.btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-ghost{
  background:var(--c-card);
  color:var(--c-ink);
  border-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--c-accent-dark);
  font-weight:600;
  font-size:15px;
  padding:4px 0;
}
.btn-link-arrow i{transition:transform .22s ease;}
.btn-link-arrow:hover i{transform:translateX(5px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(15,61,58,.10);}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(220px,1fr) auto auto;
  align-items:center;
  gap:22px;
  padding:14px 24px;
  max-width:var(--container);
  margin:0 auto;
  transition:padding .25s ease;
}
.site-header.scrolled .header-inner{padding:9px 24px;}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--c-ink);
}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--c-ink);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:1px;
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.brand-text small{font-size:12px;color:var(--t-weak);letter-spacing:.4px;}

.header-search{
  position:relative;
  display:flex;
  align-items:center;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:4px 4px 4px 18px;
  max-width:560px;
  width:100%;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.header-search:focus-within{
  border-color:var(--c-accent);
  background:#fff;
  box-shadow:0 0 0 3px rgba(19,194,163,.16);
}
.header-search i{color:var(--t-weak);font-size:14px;flex:none;}
.header-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  padding:9px 12px;
  color:var(--t-main);
  outline:none;
  font-size:15px;
}
.header-search input::placeholder{color:var(--t-weak);}
.search-btn{
  border:0;
  background:var(--c-ink);
  color:#fff;
  border-radius:999px;
  padding:8px 18px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .22s ease;
  flex:none;
}
.search-btn:hover{background:var(--c-accent);}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;
  display:block;
  padding:9px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--t-sub);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-bg);}
.nav-links a.active{color:var(--c-ink);font-weight:700;background:var(--c-accent-soft);}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
}
.nav-cta{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:12px;
  color:var(--c-ink);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:10px 24px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;
  padding:12px 4px;
  font-size:15px;
  color:var(--t-sub);
  border-bottom:1px dashed var(--c-line);
}
.mobile-drawer a.active{color:var(--c-accent-dark);font-weight:700;}
.mobile-drawer a:last-of-type{border-bottom:0;}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;
  padding:64px 0 72px;
  background-image:
    linear-gradient(100deg,rgba(15,61,58,.90) 0%,rgba(15,61,58,.78) 55%,rgba(15,61,58,.62) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:rgba(255,255,255,.18);
}
.breadcrumb-wrap{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.breadcrumb-wrap a{color:rgba(255,255,255,.86);}
.breadcrumb-wrap a:hover{color:var(--c-accent);}
.breadcrumb-wrap span.sep{color:rgba(255,255,255,.48);}
.page-banner h1{
  color:#fff;
  font-size:clamp(28px,3.4vw,42px);
  letter-spacing:.5px;
  margin-bottom:16px;
}
.banner-lead{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  margin-bottom:26px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;}
.banner-tags span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  font-size:13px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.92);
}
.banner-tags span i{color:var(--c-accent);font-size:12px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);
  position:relative;
  padding-left:16px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:3px;
  background:var(--c-accent);
}
.section-head p{color:var(--t-sub);font-size:15.5px;line-height:1.9;}

/* ============ 图文交替 ============ */
.split-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:38px 0;
  border-bottom:1px dashed var(--c-line);
}
.split-row:last-child{border-bottom:0;padding-bottom:0;}
.split-row:first-child{padding-top:0;}
.split-row.reverse .split-media{order:2;}
.split-row.reverse .split-copy{order:1;}
.split-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16 / 10;
  background:var(--c-line);
}
.split-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.split-row:hover .split-media img{transform:scale(1.03);}
.split-media .media-badge{
  position:absolute;
  left:16px;top:16px;
  background:rgba(15,61,58,.86);
  color:#fff;
  font-size:12px;
  padding:5px 13px;
  border-radius:999px;
  letter-spacing:.4px;
}
.split-copy h2{
  font-size:clamp(20px,2.1vw,26px);
  margin-bottom:14px;
}
.split-copy p{color:var(--t-sub);font-size:15.5px;line-height:1.9;}
.split-list{margin-top:18px;display:flex;flex-direction:column;gap:11px;}
.split-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--t-main);
  line-height:1.75;
}
.split-list li i{
  color:var(--c-accent);
  margin-top:6px;
  font-size:13px;
  flex:none;
}
.note-bar{
  margin-top:20px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:var(--c-accent-soft);
  border-left:3px solid var(--c-accent);
  border-radius:0 10px 10px 0;
  padding:14px 18px;
  font-size:14.5px;
  color:var(--c-ink-soft);
  line-height:1.8;
}
.note-bar i{color:var(--c-accent-dark);margin-top:5px;flex:none;}

/* ============ 异常对照卡 ============ */
.alert-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.alert-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
  height:100%;
}
.alert-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE7E1;}
.alert-card .ac-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-accent-soft);
  color:var(--c-accent-dark);
  font-size:17px;
}
.alert-card h3{font-size:16.5px;}
.alert-card .ac-issue{
  font-size:13px;
  color:var(--danger);
  background:#FDEDED;
  border-radius:999px;
  padding:3px 11px;
  align-self:flex-start;
}
.alert-card p{font-size:14.5px;color:var(--t-sub);line-height:1.85;margin:0;}

/* ============ 自查清单 ============ */
.check-panel{
  background:linear-gradient(135deg,#0F3D3A 0%,#134E48 100%);
  border-radius:18px;
  padding:48px;
  color:#fff;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.check-panel::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(19,194,163,.26),transparent 68%);
}
.check-copy{position:relative;z-index:1;}
.check-copy h2{color:#fff;font-size:clamp(22px,2.3vw,28px);margin-bottom:14px;}
.check-copy > p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.9;}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:11px;
  font-size:15px;
  color:rgba(255,255,255,.92);
  line-height:1.75;
  align-items:flex-start;
}
.check-list li i{
  color:var(--c-accent);
  margin-top:5px;
  flex:none;
  font-size:14px;
}
.check-figure{
  position:relative;
  z-index:1;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:0 18px 40px rgba(0,0,0,.28);
  aspect-ratio:4 / 3;
}
.check-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 流程步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  counter-reset:step;
}
.step-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px 28px;
  position:relative;
  box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.step-card .step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--c-ink);
  color:#fff;
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
}
.step-card h3{font-size:17px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--t-sub);line-height:1.85;margin:0;}
.step-card .step-tag{
  display:inline-block;
  margin-top:14px;
  font-size:12.5px;
  color:var(--c-accent-dark);
  background:var(--c-accent-soft);
  border-radius:999px;
  padding:4px 12px;
}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:52px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(22px,2.3vw,28px);
  padding-left:16px;
  position:relative;
  margin-bottom:16px;
}
.faq-aside h2::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:4px;border-radius:3px;
  background:var(--c-accent);
}
.faq-aside p{color:var(--t-sub);font-size:15.5px;line-height:1.9;}
.faq-aside .aside-box{
  margin-top:24px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
}
.faq-aside .aside-box h4{font-size:15px;margin-bottom:8px;}
.faq-aside .aside-box p{font-size:14px;color:var(--t-sub);margin:0;}
.faq-acc .accordion-item{
  border:1px solid var(--c-line);
  border-radius:var(--r-card) !important;
  background:var(--c-card);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  background:var(--c-card);
  color:var(--c-ink);
  font-size:16px;
  font-weight:600;
  padding:20px 54px 20px 22px;
  display:flex;
  align-items:flex-start;
  gap:14px;
  box-shadow:none !important;
  border-radius:0 !important;
  line-height:1.6;
}
.faq-acc .accordion-button::after{
  display:none;
}
.faq-acc .accordion-button .faq-arrow{
  position:absolute;
  right:22px;
  top:22px;
  transition:transform .28s ease;
  color:var(--t-weak);
  font-size:14px;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--c-ink);
  background:var(--c-accent-soft);
  border-left:3px solid var(--c-accent);
}
.faq-acc .accordion-button:not(.collapsed) .faq-arrow{
  transform:rotate(180deg);
  color:var(--c-accent-dark);
}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .faq-num{
  font-size:13px;
  font-weight:700;
  color:var(--c-accent-dark);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:8px;
  padding:2px 8px;
  flex:none;
  margin-top:3px;
}
.faq-acc .accordion-body{
  padding:4px 24px 22px 66px;
  color:var(--t-sub);
  font-size:15px;
  line-height:1.9;
}

/* ============ CTA + 表单 ============ */
.cta-band{
  background:linear-gradient(115deg,#0F3D3A 0%,#14564F 60%,#10796A 100%);
  border-radius:18px;
  padding:0;
  overflow:hidden;
  color:#fff;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  padding:48px;
  align-items:start;
}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.3vw,28px);margin-bottom:14px;}
.cta-copy > p{color:rgba(255,255,255,.80);font-size:15.5px;line-height:1.9;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:11px;font-size:15px;color:rgba(255,255,255,.90);line-height:1.75;}
.cta-points li i{color:var(--c-accent);margin-top:5px;flex:none;font-size:14px;}
.contact-strip{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.contact-strip span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  padding:8px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:rgba(255,255,255,.90);
}
.contact-strip span i{color:var(--c-accent);}
.form-card{
  background:#fff;
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:0 18px 44px rgba(0,0,0,.22);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--t-weak);margin-bottom:20px;}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--t-sub);
  margin-bottom:7px;
}
.form-control,
.form-select{
  width:100%;
  height:48px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  padding:0 15px;
  font-size:15px;
  color:var(--t-main);
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;padding:13px 15px;line-height:1.7;resize:vertical;}
.form-control:focus,
.form-select:focus{
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(19,194,163,.16);
  outline:none;
}
.form-control::placeholder{color:var(--t-weak);}
.form-tip{font-size:12.5px;color:var(--t-weak);margin-top:12px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  background:var(--c-ink);
  color:rgba(255,255,255,.74);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:48px;
}
.site-footer h4{
  color:#fff;
  font-size:15.5px;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);}
.footer-brand strong{display:block;color:#fff;font-size:16px;}
.footer-brand small{display:block;color:rgba(255,255,255,.55);font-size:12px;letter-spacing:.3px;}
.site-footer ul li{margin-bottom:11px;}
.site-footer ul a{
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.site-footer ul a:hover{color:var(--c-accent);padding-left:4px;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.70);
}
.footer-contact li i{color:var(--c-accent);margin-top:6px;flex:none;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .header-inner{gap:16px;padding:12px 24px;}
  .nav-links a{padding:9px 9px;font-size:14.5px;}
  .header-search{max-width:420px;}
  .alert-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .header-inner{
    grid-template-columns:auto auto;
    grid-template-rows:auto auto;
    gap:12px 16px;
    padding:12px 20px;
  }
  .brand-text small{display:none;}
  .header-search{grid-column:1 / -1;grid-row:2;max-width:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;justify-self:end;}
  .page-banner{padding:48px 0 56px;}
  .section{padding:56px 0;}
  .split-row{grid-template-columns:1fr;gap:26px;padding:30px 0;}
  .split-row.reverse .split-media{order:0;}
  .split-row.reverse .split-copy{order:0;}
  .check-panel{grid-template-columns:1fr;padding:36px 28px;gap:32px;}
  .steps{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;padding:36px 28px;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-grid > div:last-child{grid-column:auto;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .header-inner{padding:10px 16px;}
  .brand-mark{width:38px;height:38px;font-size:14px;}
  .brand-text strong{font-size:15px;}
  .search-btn{padding:8px 14px;font-size:13px;}
  .alert-grid{grid-template-columns:1fr;}
  .check-panel{padding:30px 22px;border-radius:14px;}
  .check-list li{font-size:14.5px;}
  .faq-acc .accordion-button{font-size:15px;padding:17px 46px 17px 18px;}
  .faq-acc .accordion-body{padding:2px 18px 20px 18px;}
  .faq-acc .accordion-button .faq-arrow{right:18px;top:19px;}
  .cta-inner{padding:30px 20px;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding-top:48px;}
}
@media (max-width:519.98px){
  .banner-tags span{font-size:12px;padding:5px 11px;}
  .section{padding:44px 0;}
  .split-copy h2{font-size:19px;}
  .step-card{padding:22px 20px;}
  .contact-strip{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --c-ink:#0F3D3A;
  --c-ink-2:#14504C;
  --c-accent:#13C2A3;
  --c-accent-dark:#0EA88C;
  --c-accent-soft:#EAF7F4;
  --c-amber:#F5A524;
  --c-bg:#F6F8F7;
  --c-card:#FFFFFF;
  --c-line:#E3EAE8;
  --t-main:#1B2321;
  --t-sub:#5A6B67;
  --t-weak:#8A9995;
  --c-danger:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(15,61,58,.06);
  --sh-2:0 10px 28px rgba(15,61,58,.10);
  --container:1200px;
  --bs-primary:#13C2A3;
  --bs-primary-rgb:19,194,163;
  --bs-body-color:#1B2321;
  --bs-body-bg:#F6F8F7;
  --bs-border-color:#E3EAE8;
  --bs-link-color:#0F3D3A;
  --bs-link-hover-color:#13C2A3;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{line-height:1.3;margin:0;font-weight:700;color:var(--c-ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,box-shadow .22s ease,transform .22s ease;}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:3px solid rgba(19,194,163,.45);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s ease,background-color .3s ease;
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(15,61,58,.10);}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:76px;
  transition:min-height .3s ease;
}
.site-header.scrolled .header-inner{min-height:66px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,var(--c-ink),var(--c-ink-2));
  color:#fff;display:grid;place-items:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15.5px;color:var(--c-ink);letter-spacing:.2px;}
.brand-text small{font-size:11.5px;color:var(--t-weak);letter-spacing:.3px;}

.nav-search{
  flex:1 1 40%;max-width:520px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:5px 6px 5px 16px;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.nav-search:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(19,194,163,.18);}
.nav-search .fa-magnifying-glass{color:var(--t-weak);font-size:14px;}
.nav-search input{
  flex:1;border:0;outline:0;background:transparent;
  height:38px;font-size:14px;color:var(--t-main);min-width:0;
}
.nav-search input::placeholder{color:var(--t-weak);}
.nav-search button{
  border:0;border-radius:999px;background:var(--c-ink);color:#fff;
  padding:9px 20px;font-size:13.5px;cursor:pointer;
  transition:background-color .24s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--c-accent);}
.nav-search button:active{transform:translateY(1px);}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  padding:8px 13px;border-radius:999px;font-size:14px;
  color:var(--t-sub);white-space:nowrap;
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-accent-soft);}
.nav-links a.active{color:#fff;background:var(--c-ink);}
.btn-cta{
  flex-shrink:0;display:inline-flex;align-items:center;gap:7px;
  background:var(--c-accent);color:#fff;
  padding:11px 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(19,194,163,.28);
}
.btn-cta:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(19,194,163,.34);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  place-items:center;cursor:pointer;font-size:16px;
}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent);}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:14px 24px;font-size:15px;color:var(--t-sub);
  border-bottom:1px solid var(--c-line);border-left:3px solid transparent;
}
.nav-drawer a:hover{background:var(--c-accent-soft);color:var(--c-ink);}
.nav-drawer a.active{color:var(--c-ink);font-weight:600;border-left-color:var(--c-accent);background:var(--c-accent-soft);}

/* ============ 面包屑 + 内页英雄区 ============ */
.page-hero{
  position:relative;color:#fff;
  padding:52px 0 46px;
  background-image:linear-gradient(100deg,rgba(15,61,58,.92) 0%,rgba(15,61,58,.80) 55%,rgba(15,61,58,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap;}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(255,255,255,.45);}
.crumb .current{color:#fff;font-weight:600;}
.page-hero .badge-tag{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(19,194,163,.20);color:#8CF2DE;
  border:1px solid rgba(19,194,163,.42);
  padding:5px 14px;border-radius:999px;font-size:12.5px;letter-spacing:.4px;
  margin-bottom:16px;
}
.page-hero h1{color:#fff;font-size:38px;letter-spacing:.5px;margin-bottom:14px;}
.page-hero .lead{max-width:720px;font-size:15.5px;color:rgba(255,255,255,.84);line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-accent);color:#fff;font-weight:600;font-size:14.5px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid var(--c-accent);
  box-shadow:0 8px 20px rgba(19,194,163,.28);
}
.btn-solid:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:14.5px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.55);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px);}

/* 实时状态条 */
.status-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-card);
  overflow:hidden;margin-top:34px;
}
.status-strip .cell{
  background:rgba(9,42,40,.55);
  padding:16px 20px;display:flex;align-items:center;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.86);
}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(19,194,163,.22);flex-shrink:0;}
.status-strip .cell i{color:var(--c-amber);font-size:15px;}

/* ============ 板块通用 ============ */
.section{padding:68px 0;}
.section.tight{padding:52px 0;}
.section.alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.2px;color:var(--c-accent);
  font-weight:600;text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block;}
.section-head h2{font-size:29px;position:relative;padding-left:16px;margin-bottom:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:linear-gradient(180deg,var(--c-accent),var(--c-ink));
}
.section-head p{color:var(--t-sub);font-size:15px;max-width:740px;}

/* ============ 对照表 ============ */
.compare-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow-x:auto;
}
table.compare{width:100%;border-collapse:collapse;min-width:800px;}
table.compare th,table.compare td{padding:16px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--c-line);vertical-align:top;}
table.compare thead th{
  background:var(--c-ink);color:#fff;font-weight:600;font-size:14px;
  letter-spacing:.4px;border-bottom:0;position:relative;
}
table.compare thead th:first-child{width:20%;background:var(--c-ink-2);}
table.compare tbody tr:nth-child(even){background:#F8FBFA;}
table.compare tbody tr:hover{background:var(--c-accent-soft);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td:first-child{color:var(--t-sub);font-weight:600;background:#FBFDFC;}
table.compare td .pill{
  display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;
  background:var(--c-accent-soft);color:var(--c-ink);margin:0 4px 4px 0;
}
table.compare td .pill.warm{background:rgba(245,165,36,.16);color:#8A5B00;}
table.compare td.hl{color:#8A5B00;font-weight:600;}

/* 结论提示条 */
.conclusion{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-left:5px solid var(--c-amber);
  border-radius:var(--r-card);padding:22px 26px;margin-top:26px;box-shadow:var(--sh-1);
}
.conclusion .ico{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:rgba(245,165,36,.16);color:#B87700;
  display:grid;place-items:center;font-size:17px;
}
.conclusion h3{font-size:16.5px;margin-bottom:6px;}
.conclusion p{color:var(--t-sub);font-size:14.5px;}

/* ============ 场景卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE6E1;}
.scene-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8F1EE;}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .thumb img{transform:scale(1.04);}
.scene-card .thumb .tag{
  position:absolute;left:14px;top:14px;
  background:rgba(15,61,58,.86);color:#fff;
  font-size:12px;padding:4px 12px;border-radius:999px;letter-spacing:.3px;
}
.scene-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-card h3{font-size:17px;}
.scene-card p{font-size:14.2px;color:var(--t-sub);line-height:1.8;}
.scene-card .foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;}
.scene-card .foot span{font-size:12.5px;color:var(--t-weak);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--c-accent);}
.link-arrow i{transition:transform .24s ease;}
.link-arrow:hover{color:var(--c-accent-dark);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 选择要点 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .26s ease,transform .26s ease;
}
.check-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.check-item .num{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:var(--c-ink);color:#fff;display:grid;place-items:center;
  font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:15.5px;margin-bottom:6px;}
.check-item p{font-size:13.8px;color:var(--t-sub);}

/* ============ 图文条 ============ */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;
}
.split .media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);}
.split .media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split h2{font-size:27px;margin-bottom:14px;position:relative;padding-left:16px;}
.split h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-accent);}
.split p{color:var(--t-sub);font-size:14.8px;}
.mini-list{margin-top:18px;display:grid;gap:12px;}
.mini-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.4px;color:var(--t-main);}
.mini-list li i{color:var(--c-accent);margin-top:5px;font-size:13px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:40px;align-items:start;}
.faq-side h2{font-size:27px;position:relative;padding-left:16px;margin-bottom:14px;}
.faq-side h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-ink);}
.faq-side p{color:var(--t-sub);font-size:14.6px;}
.faq-side .side-card{
  margin-top:22px;background:var(--c-ink);color:#fff;border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-2);
}
.faq-side .side-card strong{display:block;font-size:15px;margin-bottom:8px;color:#fff;}
.faq-side .side-card p{color:rgba(255,255,255,.78);font-size:13.6px;margin-bottom:14px;}
.faq-side .side-card a{
  display:inline-flex;align-items:center;gap:7px;background:var(--c-accent);color:#fff;
  padding:10px 18px;border-radius:var(--r-btn);font-size:13.5px;font-weight:600;
}
.faq-side .side-card a:hover{background:var(--c-accent-dark);}

.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;gap:16px;
  padding:20px 6px;cursor:pointer;color:var(--c-ink);
  font-size:15.6px;font-weight:600;
  border-left:3px solid transparent;
  transition:background-color .22s ease,border-color .22s ease;
}
.faq-q:hover{background:var(--c-accent-soft);}
.faq-q[aria-expanded="true"]{border-left-color:var(--c-accent);background:var(--c-accent-soft);}
.faq-q .idx{font-size:13px;color:var(--c-accent);font-weight:700;font-variant-numeric:tabular-nums;flex-shrink:0;}
.faq-q .txt{flex:1;line-height:1.6;}
.faq-q .chev{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:#fff;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-ink);
  transition:transform .28s ease,background-color .24s ease,color .24s ease;
}
.faq-q[aria-expanded="true"] .chev{transform:rotate(180deg);background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.faq-a{padding:0 6px 22px 41px;color:var(--t-sub);font-size:14.6px;line-height:1.85;}
.faq-a strong{color:var(--c-ink);}

/* ============ CTA ============ */
.cta-band{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(15,61,58,.94),rgba(15,61,58,.82)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:64px 0;border-radius:0;
}
.cta-grid{display:grid;grid-template-columns:1fr .92fr;gap:44px;align-items:center;}
.cta-band h2{color:#fff;font-size:29px;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:520px;}
.cta-points{margin-top:22px;display:grid;gap:11px;}
.cta-points li{display:flex;gap:11px;align-items:flex-start;font-size:14.4px;color:rgba(255,255,255,.9);}
.cta-points li i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:0 20px 46px rgba(6,32,30,.28);
}
.form-card h3{font-size:17.5px;margin-bottom:6px;}
.form-card .sub{font-size:13.4px;color:var(--t-weak);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.4px;color:var(--t-sub);margin-bottom:7px;font-weight:600;}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:13px 15px;font-size:14.2px;color:var(--t-main);background:#FCFDFD;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-accent);background:#fff;
  box-shadow:0 0 0 3px rgba(19,194,163,.18);
}
.field input::placeholder,.field textarea::placeholder{color:var(--t-weak);}
.form-card .submit{
  width:100%;border:0;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;
  padding:14px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .24s ease,transform .2s ease,box-shadow .24s ease;
}
.form-card .submit:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(19,194,163,.32);}
.form-card .submit:active{transform:translateY(0);}
.form-card .hint{font-size:12.4px;color:var(--t-weak);margin-top:12px;text-align:center;}
.form-note{
  margin-top:14px;font-size:13px;color:#0B6B58;background:var(--c-accent-soft);
  border-radius:10px;padding:10px 14px;display:none;
}
.form-note.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.3px;}
.site-footer p{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--c-accent),#0B8E78);color:#fff;}
.footer-brand strong{display:block;color:#fff;font-size:15px;}
.footer-brand small{color:rgba(255,255,255,.55);font-size:11.8px;}
.site-footer ul li{margin-bottom:11px;}
.site-footer ul li a{font-size:13.9px;color:rgba(255,255,255,.70);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;}
.site-footer ul li a:hover{color:var(--c-accent);text-decoration-color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.6px;color:rgba(255,255,255,.70);}
.footer-contact li i{color:var(--c-accent);margin-top:5px;font-size:12.5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:rgba(255,255,255,.52);
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .header-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:12px;}
  .nav-search{order:4;flex:1 1 100%;max-width:none;margin-bottom:2px;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .btn-cta{padding:10px 16px;font-size:13.5px;}
}
@media (max-width:992px){
  .section{padding:54px 0;}
  .page-hero{padding:42px 0 40px;}
  .page-hero h1{font-size:31px;}
  .section-head h2{font-size:25px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .check-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split .media{order:-1;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:30px;}
  .status-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .brand-text strong{font-size:14.4px;}
  .brand-text small{display:none;}
  .page-hero h1{font-size:26px;}
  .page-hero .lead{font-size:14.6px;}
  .hero-actions{gap:10px;}
  .btn-solid,.btn-ghost{padding:12px 20px;font-size:14px;}
  .section-head h2,.split h2,.faq-side h2{font-size:22px;}
  .cta-band h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .site-header .container{padding:0 14px;}
  .nav-search{padding:4px 5px 4px 14px;}
  .nav-search button{padding:8px 14px;font-size:13px;}
  .page-hero{padding:34px 0 32px;}
  .page-hero h1{font-size:23px;}
  .section{padding:44px 0;}
  .form-card{padding:22px 18px;}
  .faq-q{font-size:14.6px;gap:12px;padding:17px 4px;}
  .faq-a{padding:0 4px 20px 34px;font-size:14px;}
  .compare-wrap{border-radius:12px;}
}

/* roulang page: category4 */
/* ========== 设计变量 ========== */
:root{
  --c-ink:#0F3D3A;
  --c-ink-deep:#0A2B29;
  --c-accent:#13C2A3;
  --c-accent-dark:#0EA88C;
  --c-accent-soft:#E6F6F2;
  --c-amber:#F5A524;
  --c-bg:#F6F8F7;
  --c-card:#FFFFFF;
  --c-line:#E3EAE8;
  --c-text:#1B2321;
  --c-text-2:#5A6B67;
  --c-text-3:#8A9995;
  --c-danger:#E5484D;

  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(15,61,58,.06);
  --sh-2:0 10px 28px rgba(15,61,58,.10);
  --container:1200px;

  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-body-color:#1B2321;
  --bs-body-bg:#F6F8F7;
  --bs-border-color:#E3EAE8;
  --bs-link-color:#0EA88C;
  --bs-link-hover-color:#0F3D3A;
  --bs-border-radius:10px;
}

/* ========== 基础 ========== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--c-accent-dark);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--c-ink)}
button{font-family:inherit}
h1,h2,h3,h4{line-height:1.3;color:var(--c-ink);margin:0;font-weight:800}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(19,194,163,.38);outline-offset:2px;border-radius:6px}

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

/* ========== 导航 ========== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(15,61,58,.09)}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:76px;padding:8px 0;
  transition:min-height .25s ease;
}
.is-scrolled .header-inner{min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--c-ink);color:#fff;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;color:var(--c-ink);line-height:1.15;letter-spacing:.2px}
.brand-text small{display:block;font-size:11px;color:var(--c-text-3);letter-spacing:.6px}

.nav-search{position:relative;flex:1 1 auto;max-width:470px;min-width:220px}
.nav-search .search-icon{
  position:absolute;left:17px;top:50%;transform:translateY(-50%);
  color:var(--c-text-3);font-size:14px;pointer-events:none;
}
.nav-search input{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  padding:0 104px 0 44px;font-size:14px;color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search input:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(19,194,163,.16);
}
.nav-search button{
  position:absolute;right:5px;top:5px;height:36px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;
  padding:0 20px;font-size:13px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--c-accent-dark)}
.nav-search button:active{transform:scale(.97)}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:9px;
  font-size:14px;color:var(--c-text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-accent-soft)}
.nav-links a.active{color:var(--c-ink);font-weight:700;background:var(--c-accent-soft)}

.header-cta{
  flex:0 0 auto;
  background:var(--c-ink);color:#fff;border:1px solid var(--c-ink);
  border-radius:var(--r-btn);padding:10px 20px;
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,transform .2s ease;
}
.header-cta:hover{background:var(--c-ink-deep);color:#fff;transform:translateY(-1px)}

.nav-toggle{
  display:none;flex:0 0 auto;
  width:44px;height:44px;border-radius:11px;
  border:1px solid var(--c-line);background:#fff;position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--c-ink);transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.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)}

.nav-drawer{display:none;background:#fff;border-top:1px solid var(--c-line);padding:8px 0 18px}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:block;padding:13px 2px;font-size:15px;
  color:var(--c-text-2);border-bottom:1px dashed var(--c-line);
}
.nav-drawer a.active{color:var(--c-ink);font-weight:700}
.nav-drawer .drawer-cta{
  display:block;text-align:center;margin-top:16px;
  background:var(--c-accent);color:#fff;border-radius:var(--r-btn);
  padding:12px;font-weight:700;border-bottom:0;
}
.nav-drawer .drawer-cta:hover{color:#fff;background:var(--c-accent-dark)}

/* ========== 内页 Hero ========== */
.page-hero{
  position:relative;
  background-image:linear-gradient(rgba(15,61,58,.86),rgba(10,43,41,.88)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb span.sep{margin:0 7px;color:rgba(255,255,255,.45)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(19,194,163,.20);
  border:1px solid rgba(19,194,163,.45);
  color:#8FF0DC;font-size:12.5px;font-weight:700;letter-spacing:.4px;
  padding:6px 15px;border-radius:var(--r-pill);margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);
  letter-spacing:-.5px;margin-bottom:16px;
}
.hero-lead{
  max-width:760px;color:rgba(255,255,255,.86);
  font-size:16.5px;line-height:1.85;margin-bottom:30px;
}
.hero-search{
  position:relative;max-width:660px;margin-bottom:30px;
}
.hero-search input{
  width:100%;height:56px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.97);
  padding:0 150px 0 52px;font-size:15px;color:var(--c-text);
  box-shadow:0 12px 30px rgba(0,0,0,.18);
}
.hero-search input::placeholder{color:var(--c-text-3)}
.hero-search input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(19,194,163,.28)}
.hero-search .hs-icon{
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  color:var(--c-accent-dark);font-size:16px;pointer-events:none;
}
.hero-search button{
  position:absolute;right:6px;top:6px;height:44px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;
  padding:0 26px;font-size:14px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.hero-search button:hover{background:var(--c-accent-dark)}
.hero-search button:active{transform:scale(.98)}
.hero-flow{display:flex;flex-wrap:wrap;gap:10px}
.hero-flow span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  padding:7px 15px;border-radius:var(--r-pill);
}
.hero-flow i{color:var(--c-amber);font-size:11px}

/* ========== 通用板块 ========== */
.section{padding:64px 0}
.section-tight{padding:46px 0}
.section-head{max-width:720px;margin-bottom:34px}
.section-head .eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1px;
  color:var(--c-accent-dark);background:var(--c-accent-soft);
  padding:5px 13px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--c-accent);
}
.section-head p{color:var(--c-text-2);font-size:15.5px;margin:0}
.bg-white-soft{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

/* ========== 锚点速查条 ========== */
.quick-tabs{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:-34px;position:relative;z-index:5;
}
.quick-tabs a{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px;
  display:flex;flex-direction:column;gap:6px;
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.quick-tabs a:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#CFEAE3}
.quick-tabs i{color:var(--c-accent);font-size:18px}
.quick-tabs strong{font-size:15.5px;color:var(--c-ink)}
.quick-tabs span{font-size:13px;color:var(--c-text-3);line-height:1.6}

/* ========== 卡片 ========== */
.card-soft{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease;
  height:100%;
}
.card-soft:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.card-body-soft{padding:26px}
.card-body-soft h3{font-size:17.5px;margin-bottom:10px}
.card-body-soft p{font-size:14.5px;color:var(--c-text-2);margin-bottom:0}
.step-num{
  width:38px;height:38px;border-radius:12px;
  background:var(--c-accent-soft);color:var(--c-accent-dark);
  display:grid;place-items:center;font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* ========== 对照表 ========== */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.check-table{width:100%;border-collapse:collapse;font-size:14.5px}
.check-table thead th{
  background:var(--c-ink);color:#fff;font-weight:700;
  text-align:left;padding:16px 20px;font-size:14px;letter-spacing:.3px;
  white-space:nowrap;
}
.check-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);
  color:var(--c-text-2);vertical-align:top;line-height:1.75;
}
.check-table tbody tr:nth-child(even){background:#FAFCFB}
.check-table tbody tr:last-child td{border-bottom:0}
.check-table tbody td:first-child{color:var(--c-ink);font-weight:600}
.check-table tbody td:last-child{color:var(--c-accent-dark);font-weight:600}

/* ========== FAQ ========== */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start}
.faq-aside{position:sticky;top:100px}
.faq-aside h2{font-size:24px;margin-bottom:14px}
.faq-aside p{color:var(--c-text-2);font-size:14.5px}
.faq-aside .aside-note{
  background:var(--c-accent-soft);border:1px solid #CFEAE3;
  border-radius:var(--r-card);padding:18px;margin-top:20px;
  font-size:13.5px;color:var(--c-ink);line-height:1.75;
}
.faq-aside .aside-note i{color:var(--c-accent-dark);margin-right:8px}
#faqCount{
  display:inline-block;margin-top:14px;font-size:13px;font-weight:700;
  color:var(--c-accent-dark);background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:6px 14px;
}
.faq-group{margin-bottom:34px}
.faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--c-ink);margin-bottom:16px;
}
.faq-group-title i{color:var(--c-accent)}
.faq-accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .22s ease;
}
.faq-accordion .accordion-item:hover{box-shadow:var(--sh-2)}
.faq-accordion .accordion-button{
  font-size:15.5px;font-weight:600;color:var(--c-ink);
  background:#fff;padding:19px 54px 19px 58px;
  position:relative;box-shadow:none!important;border-radius:0;
  width:100%;text-align:left;line-height:1.6;
}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{
  content:attr(data-no);
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:9px;
  background:var(--c-accent-soft);color:var(--c-accent-dark);
  font-size:11.5px;font-weight:800;
  display:grid;place-items:center;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-ink);background:#F2FBF9;
}
.faq-accordion .accordion-button:not(.collapsed)::before{
  background:var(--c-accent);color:#fff;
}
.faq-accordion .q-arrow{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;color:var(--c-text-3);
  transition:transform .28s ease,color .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed) .q-arrow{
  transform:translateY(-50%) rotate(180deg);color:var(--c-accent-dark);
}
.faq-accordion .accordion-body{
  padding:0 54px 24px 58px;
  font-size:14.5px;color:var(--c-text-2);line-height:1.85;
}
.faq-accordion .accordion-body .answer-inner{
  border-left:3px solid var(--c-accent);padding-left:16px;
}
.faq-accordion .accordion-body strong{color:var(--c-ink)}
.faq-accordion .accordion-body ul{margin:10px 0 0}
.faq-accordion .accordion-body ul li{
  position:relative;padding-left:18px;margin-bottom:7px;
}
.faq-accordion .accordion-body ul li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}

/* ========== CTA / 表单 ========== */
.cta-band{
  background:linear-gradient(135deg,#0F3D3A 0%,#0A2B29 100%);
  color:#fff;padding:60px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,194,163,.28),transparent 70%);
}
.cta-band .cta-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:start;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:620px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:rgba(255,255,255,.88);
}
.cta-points i{color:var(--c-amber);margin-top:5px;font-size:13px}
.form-card{
  background:#fff;border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--c-text-3);margin-bottom:18px}
.form-card label{
  display:block;font-size:13.5px;font-weight:600;color:var(--c-ink);margin-bottom:7px;
}
.form-card .form-control,.form-card .form-select{
  height:48px;border-radius:var(--r-input);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-text);padding:0 14px;margin-bottom:16px;
  transition:border-color .2s ease,box-shadow .2s ease;
  box-shadow:none;
}
.form-card textarea.form-control{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-card .form-control:focus,.form-card .form-select:focus{
  border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(19,194,163,.16);outline:none;
}
.form-card .form-control::placeholder{color:var(--c-text-3)}
.btn-submit{
  width:100%;height:50px;border:0;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-submit:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(19,194,163,.3)}
.btn-submit:active{transform:translateY(0)}
.form-ok{
  display:none;margin-top:14px;padding:11px 14px;border-radius:10px;
  background:var(--c-accent-soft);border:1px solid #CFEAE3;
  color:var(--c-ink);font-size:13.5px;
}
.form-ok.show{display:block}

/* ========== 相关分类 ========== */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.rel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .24s ease,transform .24s ease;
}
.rel-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.rel-card .rel-thumb{
  aspect-ratio:16/9;overflow:hidden;background:#DFE9E6;
}
.rel-card .rel-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease;
}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-card .rel-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-card h3{font-size:16px}
.rel-card p{font-size:13.5px;color:var(--c-text-2);margin:0;flex:1}
.rel-card .rel-link{
  font-size:13.5px;font-weight:700;color:var(--c-accent-dark);
  display:inline-flex;align-items:center;gap:6px;
}
.rel-card .rel-link i{transition:transform .2s ease}
.rel-card:hover .rel-link i{transform:translateX(4px)}

/* ========== 页脚 ========== */
.site-footer{background:var(--c-ink-deep);color:rgba(255,255,255,.72);padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--c-accent);color:#08211F}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:800}
.footer-brand small{display:block;font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.5px}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:0}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:18px;font-weight:700}
.site-footer ul li{margin-bottom:11px}
.site-footer ul li a{color:rgba(255,255,255,.68);font-size:13.5px}
.site-footer ul li a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.62);font-size:13.5px}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ========== 响应式 ========== */
@media (max-width:1199.98px){
  .nav-search{max-width:340px}
  .nav-links a{padding:9px 10px;font-size:13.5px}
  .faq-layout{grid-template-columns:280px 1fr;gap:30px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:991.98px){
  .header-inner{flex-wrap:wrap;min-height:auto;padding:12px 0;gap:12px}
  .is-scrolled .header-inner{min-height:auto}
  .nav-search{order:3;flex:1 0 100%;max-width:none;min-width:0}
  .nav-links{display:none}
  .header-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .page-hero{padding:48px 0 56px}
  .quick-tabs{grid-template-columns:repeat(2,1fr);margin-top:-28px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-aside{position:static}
  .cta-band .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}

@media (max-width:767.98px){
  .section{padding:48px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .quick-tabs{grid-template-columns:1fr;margin-top:-22px}
  .hero-search input{height:52px;padding:0 118px 0 46px;font-size:14px}
  .hero-search button{padding:0 18px;height:40px;top:6px}
  .check-table thead th,.check-table tbody td{padding:12px 14px;font-size:13.5px}
  .faq-accordion .accordion-button{padding:16px 46px 16px 52px;font-size:14.5px}
  .faq-accordion .accordion-body{padding:0 20px 20px 52px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media (max-width:519.98px){
  .container{padding:0 16px}
  .brand-text small{display:none}
  .page-hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .hero-search input{padding:0 20px 0 44px;font-size:13.5px}
  .hero-search button{display:none}
  .check-table{font-size:13px}
  .check-table thead th{font-size:12.5px;padding:12px 10px;white-space:normal}
  .check-table tbody td{padding:12px 10px}
}