/* roulang page: index */
:root{
  --brand:#1C5D99;
  --brand-dark:#123F6B;
  --brand-light:#E9F1F8;
  --accent:#00A98F;
  --point:#FF6B35;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E2E9F1;
  --title:#0E1A26;
  --text:#1F2A37;
  --muted:#64748B;
  --inv:#FFFFFF;
  --inv-soft:#D7E3EF;
  --ok:#12A594;
  --warn:#E8A33D;
  --err:#D9534F;
  --s1:0 1px 2px rgba(16,32,54,.06);
  --s2:0 8px 24px -8px rgba(16,42,74,.12);
  --s3:0 16px 36px -12px rgba(16,42,74,.18);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-lg:20px;
  --nav-h:72px;
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{color:var(--title);font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:#CDE3F5;color:var(--title)}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:#fff}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--accent);
  margin-bottom:12px;
}
.eyebrow--brand{color:var(--brand)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head h2{font-size:30px;line-height:1.3}
.section-note{font-size:14px;color:var(--muted);margin-top:12px;max-width:640px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:500;
  color:var(--brand);
  white-space:nowrap;
  transition:color var(--t);
}
.text-link .arw{display:inline-block;transition:transform var(--t)}
.text-link:hover{color:var(--accent)}
.text-link:hover .arw{transform:translateX(4px)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  white-space:nowrap;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn:active{transform:scale(.99)}
.btn-primary{background:var(--point);color:#fff;box-shadow:var(--s1)}
.btn-primary:hover{background:#E85A26;box-shadow:var(--s2);transform:translateY(-1px)}
.btn-solid{background:var(--brand);color:#fff;box-shadow:var(--s1)}
.btn-solid:hover{background:var(--brand-dark);box-shadow:var(--s2);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-light)}
.btn-ghost-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:13px;
  font-weight:500;
  line-height:1.6;
  white-space:nowrap;
}
.badge--sm{font-size:12px;padding:3px 10px}
.badge--accent{background:rgba(0,169,143,.12);color:#008472}
.badge--line{background:#fff;border:1px solid var(--line);color:var(--muted)}

.ratio{position:relative;overflow:hidden;background:#EEF3F8;border-radius:var(--r-img)}
.ratio::before{content:"";display:block;padding-top:var(--ratio,56.25%)}
.ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:var(--s1);
  transition:background 240ms cubic-bezier(.2,.7,.3,1),box-shadow 240ms cubic-bezier(.2,.7,.3,1),border-color 240ms cubic-bezier(.2,.7,.3,1);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--s2);
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--nav-h);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:flex;align-items:flex-end;height:30px;color:var(--brand)}
.logo-mark svg{display:block;height:28px;width:auto}
.logo-type{display:flex;align-items:flex-start;gap:3px;line-height:1}
.logo-main{font-size:19px;font-weight:700;color:var(--title);letter-spacing:.01em}
.logo-sub{
  font-size:11px;
  font-weight:700;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:4px;
  padding:2px 4px;
  margin-top:1px;
  line-height:1.2;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text);
  padding:8px 0;
  transition:color var(--t);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:var(--accent);
  transition:width var(--t);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand);font-weight:500}
.nav-link.is-active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:16px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;stroke:var(--muted);fill:none;pointer-events:none}
.nav-search input{
  width:200px;
  height:40px;
  padding:0 12px 0 36px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:#9AAABD}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18);outline:none}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--brand-light);border-color:#CBDCEB}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--title);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--title);transition:transform var(--t);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer-mask{
  position:fixed;inset:0;background:rgba(14,26,38,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:380px;background:#fff;z-index:100;
  transform:translateX(100%);
  transition:transform 280ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px 0 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;
  font-size:18px;line-height:1;color:var(--muted);transition:background var(--t);
}
.drawer-close:hover{background:var(--brand-light)}
.drawer-nav{padding:8px 0}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);transition:background var(--t),color var(--t);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand)}
.drawer-foot{padding:20px;display:flex;flex-direction:column;gap:12px;margin-top:auto}
.drawer-search{position:relative;display:flex;align-items:center}
.drawer-search input{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:15px}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18);outline:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:calc(-1 * var(--nav-h));
  padding-top:calc(var(--nav-h) + 68px);
  padding-bottom:84px;
  background:var(--bg);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-160px;width:820px;height:700px;pointer-events:none;
  background:radial-gradient(circle at 70% 30%,rgba(28,93,153,.17),rgba(28,93,153,0) 62%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(28,93,153,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(28,93,153,.04) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),rgba(0,0,0,0) 72%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),rgba(0,0,0,0) 72%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  min-height:560px;
}
.hero h1{font-size:40px;line-height:1.25;letter-spacing:-.01em;margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--muted);line-height:1.8;max-width:520px}
.hero-sub span{display:block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{
  display:flex;align-items:stretch;gap:0;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.trust-item{padding-right:28px;margin-right:28px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0;margin-right:0;padding-right:0}
.trust-num{font-size:20px;font-weight:700;color:var(--brand);line-height:1.4}
.trust-label{font-size:13px;color:var(--muted);line-height:1.6}

.hero-visual{position:relative}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--s2)}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(28,93,153,.30),rgba(28,93,153,.05) 68%);
}
.hero-float{
  position:absolute;right:-12px;top:36px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-card);
  box-shadow:var(--s2);
  padding:16px 20px;
  display:flex;gap:22px;
  animation:floaty 6s ease-in-out infinite;
}
.hero-float-item{text-align:left}
.hero-float-num{font-size:20px;font-weight:700;color:var(--accent);line-height:1.3}
.hero-float-label{font-size:13px;color:var(--muted);white-space:nowrap}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---------- 服务能力 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--s2);transform:translateY(-2px)}
.cap-main{grid-column:span 7;overflow:hidden}
.cap-main .ratio{margin:0;border-radius:0;--ratio:56.25%}
.cap-body{padding:24px}
.cap-main h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.cap-main p{font-size:15px;color:var(--muted);margin-bottom:16px}
.cap-side{grid-column:span 5;display:flex;flex-direction:column;gap:24px}
.cap-side .card{padding:24px;flex:1}
.icon-box{
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  transition:background var(--t);
}
.icon-box svg{width:24px;height:24px;stroke:var(--brand);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.card:hover .icon-box{background:#DCEAF6}
.cap-side h3{font-size:18px;line-height:1.4;margin-bottom:8px}
.cap-side p{font-size:14px;color:var(--muted);margin-bottom:14px}
.cap-bar{
  grid-column:span 12;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 32px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);
  padding:20px 24px;
}
.cap-bar-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}
.cap-bar-item svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.cap-bar-note{margin-left:auto;font-size:13px;color:var(--muted)}

/* ---------- 数据条带 ---------- */
.stat-strip{
  background:var(--brand-light);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:44px 0;
}
.stat-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.stat-cells{display:flex;flex:1 1 auto;flex-wrap:wrap;min-width:280px}
.stat-cell{padding:0 32px;border-right:1px solid #CFE0EE}
.stat-cell:first-child{padding-left:0}
.stat-cell:last-child{border-right:0}
.stat-num{font-size:40px;font-weight:700;line-height:1.2;color:var(--brand);white-space:nowrap}
.stat-num--accent{color:var(--accent)}
.stat-label{font-size:13px;color:var(--muted);line-height:1.7;white-space:nowrap}
.stat-side{flex:0 0 auto;max-width:280px}
.stat-side p{font-size:14px;color:var(--muted);margin-bottom:6px}

/* ---------- 案例 ---------- */
.case-head-actions{display:flex;align-items:center;gap:12px}
.round-btn{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--s2);display:flex;align-items:center;justify-content:center;cursor:pointer;
  color:var(--brand);font-size:16px;transition:background var(--t),color var(--t),transform var(--t),border-color var(--t);
}
.round-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px)}
.case-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 24px;scrollbar-width:thin;
}
.case-track::-webkit-scrollbar{height:6px}
.case-track::-webkit-scrollbar-thumb{background:#CFDCE8;border-radius:999px}
.case-card{
  flex:0 0 340px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;
  transition:box-shadow var(--t),transform var(--t);
}
.case-card:hover{box-shadow:var(--s2);transform:translateY(-2px)}
.case-card .ratio{--ratio:62.5%;border-radius:0}
.case-body{padding:20px}
.case-body h3{font-size:18px;line-height:1.4;margin:12px 0 8px}
.case-body p{font-size:14px;color:var(--muted);}
.case-result{
  display:flex;align-items:baseline;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
}
.case-result strong{font-size:22px;color:var(--accent);font-weight:700;line-height:1.2}
.case-result span{font-size:13px;color:var(--muted)}

/* ---------- 解决方案 ---------- */
.solution-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:52px 0;border-bottom:1px solid var(--line);
}
.solution-row:first-of-type{padding-top:0}
.solution-row:last-of-type{border-bottom:0;padding-bottom:0}
.solution-row.is-reverse .solution-media{order:2}
.solution-row.is-reverse .solution-copy{order:1}
.solution-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--s2)}
.solution-copy h3{font-size:22px;line-height:1.4;margin:12px 0 16px}
.solution-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.solution-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text)}
.solution-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;background:var(--brand);border-radius:2px;
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.news-feature{overflow:hidden;display:flex;flex-direction:column}
.news-feature-link{display:flex;flex-direction:column;height:100%}
.news-feature .ratio{--ratio:56.25%;border-radius:0}
.news-feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-feature-body h3{font-size:20px;line-height:1.45;transition:color var(--t)}
.news-feature:hover h3{color:var(--brand)}
.news-feature-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--muted)}
.news-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);
  overflow:hidden;display:flex;flex-direction:column;
}
.news-row{border-bottom:1px solid var(--line)}
.news-row:last-child{border-bottom:0}
.news-row a{
  display:flex;align-items:center;gap:16px;padding:20px 24px;height:100%;
  transition:background var(--t),transform var(--t);
}
.news-row a:hover{background:var(--bg);transform:translateX(4px)}
.news-row h4{font-size:16px;font-weight:500;line-height:1.6;color:var(--title);transition:color var(--t);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row a:hover h4{color:var(--brand)}
.news-row-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.news-row .arw{color:var(--brand);font-size:16px;transition:transform var(--t);flex:0 0 auto}
.news-row a:hover .arw{transform:translateX(4px)}

.empty-state{
  background:#fff;border:1px dashed #CBDCEB;border-radius:var(--r-card);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;
}
.empty-state svg{width:44px;height:44px;stroke:var(--brand);opacity:.4;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:15px;color:var(--muted)}

.skeleton-row{display:flex;gap:16px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}
.skeleton-bar{
  height:14px;border-radius:999px;
  background:linear-gradient(90deg,#EEF3F8 0%,#E2EAF2 50%,#EEF3F8 100%);
  background-size:200% 100%;animation:shimmer 1.4s linear infinite;
}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);
  margin-bottom:16px;overflow:hidden;transition:box-shadow var(--t);
}
.faq-item:hover{box-shadow:var(--s2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;padding:22px 24px;
  background:transparent;border:0;cursor:pointer;text-align:left;
}
.faq-num{font-size:14px;font-weight:700;color:rgba(28,93,153,.4);flex:0 0 auto}
.faq-text{font-size:17px;font-weight:600;color:var(--title);flex:1;position:relative;padding-left:0;transition:padding var(--t)}
.faq-item.is-open .faq-text{padding-left:14px}
.faq-text::before{
  content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform var(--t);border-radius:2px;
}
.faq-item.is-open .faq-text::before{transform:scaleY(1)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--brand);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows 240ms cubic-bezier(.2,.7,.3,1);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted);padding:0 24px 24px 66px}
.faq-more{text-align:center;margin-top:28px}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:var(--brand-dark);
  border-radius:var(--r-lg);
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,169,143,.30),rgba(0,169,143,0) 68%);
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px}
.cta-band p{color:var(--inv-soft);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;margin-top:56px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-item .icon-box{margin-bottom:0;flex:0 0 auto}
.contact-item strong{display:block;font-size:15px;color:var(--title);font-weight:500;margin-bottom:4px}
.contact-item span{font-size:14px;color:var(--muted)}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s2);padding:24px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;color:var(--title);margin-bottom:8px;font-weight:500}
.field .req{color:var(--point)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{height:auto;min-height:130px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18);outline:none;
}
.field input:disabled,.field select:disabled,.field textarea:disabled{background:#F1F4F8;opacity:.7;cursor:not-allowed}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--err)}
.field .err-msg{display:none;font-size:12px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:22px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.check-row label{font-size:13px;color:var(--muted);line-height:1.7}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-tip{font-size:13px;color:var(--muted)}
.alert{
  display:none;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-btn);font-size:14px;margin-bottom:20px;
}
.alert.is-visible{display:flex}
.alert-success{background:rgba(18,165,148,.12);color:#0B7A6C;border:1px solid rgba(18,165,148,.28)}
.alert-error{background:rgba(217,83,79,.1);color:#A83B37;border:1px solid rgba(217,83,79,.28)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1F33;color:#A9B7C6;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{background:rgba(0,169,143,.16);color:#5FE0CB}
.footer-brand .logo-mark{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:300px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.footer-contact span{display:flex;align-items:center;gap:8px;font-size:14px}
.footer-contact svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.footer-title{color:#fff;font-size:15px;font-weight:500;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:#A9B7C6;transition:color var(--t)}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:14px;line-height:1.85}
.footer-note + .footer-note{margin-top:10px}
.footer-bottom{
  border-top:1px solid rgba(215,227,239,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8496AC}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  :root{--nav-h:60px}
  .container{padding-left:20px;padding-right:20px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .nav-search input{width:150px}
  .nav-links{gap:20px}
  .nav-link{font-size:14px}
  .hero-grid{grid-template-columns:1fr;min-height:0;gap:44px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px;max-width:none}
  .hero{padding-bottom:64px}
  .hero-trust{flex-wrap:wrap;gap:20px}
  .trust-item{border-right:0;padding-right:0;margin-right:0}
  .cap-main{grid-column:span 12}
  .cap-side{grid-column:span 12;flex-direction:row}
  .cap-side .card{flex:1 1 0}
  .cap-bar{flex-wrap:wrap}
  .cap-bar-note{margin-left:0;width:100%}
  .stat-num{font-size:34px}
  .stat-cell{padding:0 22px}
  .news-grid{grid-template-columns:1fr}
  .solution-row{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .solution-row.is-reverse .solution-media{order:0}
  .solution-row.is-reverse .solution-copy{order:0}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .nav-links,.nav-search,.nav-tools .btn{display:none}
  .nav-toggle{display:flex}
  .nav-tools{gap:10px;margin-left:auto}
  .hero{margin-top:calc(-1 * var(--nav-h));padding-top:calc(var(--nav-h) + 40px);padding-bottom:48px}
  .hero h1{font-size:28px}
  .hero-sub span{display:inline}
  .hero-actions .btn{flex:1 1 100%}
  .hero-float{right:8px;top:16px;padding:12px 14px;gap:16px}
  .hero-float-num{font-size:17px}
  .hero-float-label{font-size:12px}
  .section-head h2{font-size:22px}
  .cap-side{flex-direction:column}
  .stat-inner{gap:20px}
  .stat-num{font-size:30px}
  .stat-cell{padding:0;border-right:0}
  .stat-cells{gap:22px 40px}
  .case-card{flex:0 0 280px}
  .case-head-actions{display:none}
  .faq-q{padding:18px 16px;gap:12px}
  .faq-text{font-size:16px}
  .faq-a p{padding:0 16px 20px 42px;font-size:15px}
  .form-row{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .news-row a{padding:16px 16px}
  .news-feature-body{padding:20px}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .stat-num{font-size:26px}
  .case-card{flex:0 0 250px}
  .card{border-radius:12px}
  .btn{padding:0 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .hero-float{animation:none}
}

/* roulang page: article */
:root{
  --brand:#1C5D99;
  --brand-dark:#123F6B;
  --brand-light:#E9F1F8;
  --accent:#00A98F;
  --warm:#FF6B35;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E2E9F1;
  --ink:#0E1A26;
  --body:#1F2A37;
  --muted:#64748B;
  --white:#FFFFFF;
  --on-dark:#D7E3EF;
  --ok:#12A594;
  --warn:#E8A33D;
  --err:#D9534F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-lg:20px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,32,54,.06);
  --s2:0 8px 24px -8px rgba(16,42,74,.12);
  --s3:0 16px 36px -12px rgba(16,42,74,.18);
  --sp:8px;
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background var(--ease),box-shadow var(--ease),transform var(--ease)}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:var(--s1);
  transition:background 240ms cubic-bezier(.2,.7,.3,1),border-color 240ms cubic-bezier(.2,.7,.3,1),box-shadow 240ms cubic-bezier(.2,.7,.3,1);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--s2);
}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand);flex:0 0 auto}
.logo:hover{color:var(--brand-dark)}
.logo-mark{display:inline-flex;width:30px;height:28px;color:var(--brand)}
.logo-mark svg{width:30px;height:28px;fill:currentColor;stroke:none;display:block}
.logo-mark svg rect[fill="#00A98F"]{fill:var(--accent)}
.logo-type{display:flex;align-items:baseline;gap:4px;line-height:1}
.logo-main{font-size:18px;font-weight:700;letter-spacing:.02em}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--body);border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:500}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);
  width:200px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18)}
.nav-search svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:var(--muted);stroke-width:1.6;stroke-linecap:round}
.nav-search input{width:100%;border:0;background:transparent;font-size:14px;outline:none}
.nav-search input::placeholder{color:#93A2B4}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--card);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:21px}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn:active{transform:scale(.99)}
.btn-primary{background:var(--brand);color:var(--white);box-shadow:var(--s1)}
.btn-primary:hover{background:var(--brand-dark);color:var(--white);box-shadow:var(--s2);transform:translateY(-1px)}
.btn-ghost{background:var(--card);color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-outline-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:var(--white)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand)}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;transition:transform var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,26,38,.45);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:var(--card);
  transform:translateX(100%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);z-index:96;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:var(--s3);
}
.drawer.is-open{transform:translateX(0)}
.drawer .logo{margin-bottom:16px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{font-size:16px;line-height:52px;color:var(--body);border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--brand)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;margin:20px 0 16px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--bg);
}
.drawer-search svg{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.6;stroke-linecap:round;flex:0 0 auto}
.drawer-search input{width:100%;border:0;background:transparent;outline:none;font-size:15px}
.drawer .btn{width:100%}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--card);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);padding:16px 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{color:#B6C2D1}
.breadcrumb .current{color:var(--body);font-weight:500}

/* ---------- article head ---------- */
.article-hero{background:var(--card);border-bottom:1px solid var(--line);padding:32px 0 40px}
.article-head{max-width:820px;margin:0 auto;text-align:left}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand);font-size:13px;font-weight:500;
}
.article-head h1{font-size:36px;line-height:1.35;margin:16px 0 0;letter-spacing:-.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--muted)}
.article-meta .dot{color:#C3CDD9}
.article-meta time{font-size:13px;color:var(--muted)}

/* ---------- layout ---------- */
.article-section{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:48px;justify-content:center;align-items:start}
.lead{
  position:relative;background:var(--brand-light);border-left:3px solid var(--brand);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:20px 24px;margin-bottom:32px;
  font-size:15px;line-height:1.8;color:#24506F;
}
.article-body{font-size:17px;line-height:1.9;color:var(--body);max-width:820px}
.article-body>*+*{margin-top:1.4em}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  font-size:28px;line-height:1.3;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:20px;line-height:1.4;margin:28px 0 12px}
.article-body h4{font-size:17px;line-height:1.5;margin:24px 0 10px;color:var(--brand-dark)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em}
.article-body ul li{position:relative;list-style:none;margin-bottom:8px;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol li{margin-bottom:8px;line-height:1.8}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--accent)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg);border-left:3px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--body);font-style:normal;
}
.article-body img{border-radius:var(--r-img);width:100%;height:auto;margin:24px 0;background:#EEF3F8}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:24px 0;
}
.article-body th,.article-body td{padding:12px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:500}
.article-body tbody tr:nth-child(even){background:#FAFCFE}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);padding:24px}
.side-title{font-size:13px;font-weight:500;color:var(--brand);letter-spacing:.08em;margin-bottom:14px}
.side-list{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--muted)}
.side-list .row{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:10px}
.side-list .row:last-child{border-bottom:0;padding-bottom:0}
.side-list .row strong{color:var(--ink);font-weight:500}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 0;font-size:14px;color:var(--body);border-bottom:1px solid var(--line);
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--brand)}
.side-links a span{color:var(--muted);font-size:13px}

/* ---------- tags / pager ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand);font-size:13px;transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--brand);color:var(--white)}
.pager-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.pager-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:20px;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.pager-card:hover{box-shadow:var(--s2);transform:translateY(-2px);border-color:#CFDCEA}
.pager-card .dir{font-size:13px;color:var(--muted)}
.pager-card .t{display:block;margin-top:8px;font-size:16px;font-weight:500;color:var(--ink);line-height:1.5}
.pager-card:hover .t{color:var(--brand)}

/* ---------- related ---------- */
.related{padding:8px 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-kicker{font-size:13px;font-weight:500;color:var(--accent);letter-spacing:.08em;margin-bottom:8px}
.section-head h2{font-size:30px;line-height:1.3}
.section-head .desc{font-size:14px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.rcard:hover{box-shadow:var(--s2);transform:translateY(-2px);border-color:#CFDCEA}
.thumb{position:relative;width:100%;aspect-ratio:16/9;background:#EEF3F8;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.rcard:hover .thumb img{transform:scale(1.03)}
.rcard-body{padding:20px;display:flex;flex-direction:column;gap:12px}
.rcard h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .meta{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}

/* ---------- empty ---------- */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--s1);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:40px 24px;
}
.empty-state svg{width:44px;height:44px;fill:none;stroke:rgba(28,93,153,.4);stroke-width:1.5;stroke-linecap:round}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-dark);color:var(--white);border-radius:var(--r-lg);padding:48px 40px;text-align:center}
.cta-band h2{color:var(--white);font-size:30px;line-height:1.3}
.cta-band p{margin:12px auto 0;font-size:15px;line-height:1.8;color:var(--on-dark);max-width:620px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.cta-wrap{padding:0 0 80px}

/* ---------- footer ---------- */
.site-footer{background:#0F1F33;color:#A9B7C6;padding:64px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.site-footer .logo{color:var(--white)}
.site-footer .logo:hover{color:var(--on-dark)}
.site-footer .logo-mark{color:var(--white)}
.site-footer .logo-main{color:var(--white)}
.site-footer .logo-sub{color:#8CA0B5}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;color:#A9B7C6;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px;font-size:14px}
.footer-contact span{display:inline-flex;align-items:center;gap:8px}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-title{font-size:14px;font-weight:500;color:var(--white);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A9B7C6}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:13px;line-height:1.8;color:#8CA0B5;margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8CA0B5;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav{height:64px}
  .article-hero{padding:24px 0 32px}
  .article-head h1{font-size:30px}
  .article-section{padding:40px 0 56px}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static}
  .section-head h2{font-size:26px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-head h1{font-size:24px;line-height:1.4}
  .breadcrumb{padding:12px 0}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:17px;margin:24px 0 10px}
  .lead{padding:16px 18px}
  .pager-cards{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 20px}
  .cta-band h2{font-size:22px}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .article-hero{padding:20px 0 26px}
  .article-section{padding:32px 0 44px}
  .side-card{padding:20px}
  .rcard-body{padding:16px}
}

/* roulang page: category1 */
:root{
  --brand:#1C5D99;
  --brand-dark:#123F6B;
  --brand-light:#E9F1F8;
  --accent:#00A98F;
  --spark:#FF6B35;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --line:#E2E9F1;
  --ink:#0E1A26;
  --text:#1F2A37;
  --muted:#64748B;
  --inv-text:#FFFFFF;
  --inv-muted:#D7E3EF;
  --ok:#12A594;
  --warn:#E8A33D;
  --err:#D9534F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-lg:20px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,32,54,.06);
  --s2:0 8px 24px -8px rgba(16,42,74,.12);
  --s3:0 16px 36px -12px rgba(16,42,74,.18);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-y) 0}
.nums{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.99)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--s1)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--s2)}
.btn-accent{background:var(--spark);color:#fff;box-shadow:var(--s1)}
.btn-accent:hover{background:#e85a26;transform:translateY(-1px);box-shadow:var(--s2)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light)}
.btn-invert{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-invert:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:500;
  transition:color var(--ease);
}
.link-arrow svg{width:16px;height:16px;transition:transform var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg{transform:translateX(4px)}
.icon{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:500;line-height:1.4;
}
.badge-soft{background:rgba(255,255,255,.9);color:var(--brand);box-shadow:var(--s1)}
.badge-accent{background:rgba(0,169,143,.12);color:#0B7C6B}
.live-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px 6px 10px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--s1);
  font-size:13px;color:var(--brand-dark);
}
.live-badge i{
  width:9px;height:9px;background:var(--spark);border-radius:2px;
  transform:rotate(45deg);flex:none;
}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:30px;line-height:1.3;margin-top:10px}
.section-head p{font-size:14px;color:var(--muted);margin-top:10px;max-width:660px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:var(--s1);
  transition:background 240ms cubic-bezier(.2,.7,.3,1),box-shadow 240ms cubic-bezier(.2,.7,.3,1),border-color 240ms cubic-bezier(.2,.7,.3,1);
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--s2)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand);flex:none}
.logo-mark{width:30px;height:28px;color:var(--brand);flex:none}
.logo-mark svg{width:100%;height:100%}
.logo-type{display:flex;align-items:baseline;gap:5px;line-height:1}
.logo-main{font-size:19px;font-weight:700;letter-spacing:-.01em;color:inherit}
.logo-sub{
  font-size:11px;font-weight:500;color:var(--accent);
  border:1px solid rgba(0,169,143,.45);border-radius:4px;
  padding:1px 5px;letter-spacing:.04em;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15px;color:var(--text);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:500}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search svg{width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:1.6;stroke-linecap:round;flex:none}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:#93A1B2}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18)}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
}
.nav-toggle::before,.nav-toggle::after,.nav-toggle span{
  content:"";position:absolute;left:13px;right:13px;height:2px;
  background:var(--ink);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle::before{top:16px}
.nav-toggle span{top:21px}
.nav-toggle::after{top:26px}
body.nav-open .nav-toggle::before{transform:translateY(5px) rotate(45deg)}
body.nav-open .nav-toggle span{opacity:0}
body.nav-open .nav-toggle::after{transform:translateY(-5px) rotate(-45deg)}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;
  z-index:120;background:#fff;padding:20px;
  overflow-y:auto;box-shadow:-12px 0 32px -16px rgba(16,42,74,.28);
  transform:translateX(102%);
  transition:transform 280ms cubic-bezier(.2,.7,.3,1);
}
body.nav-open .nav-drawer{transform:none}
.nav-mask{
  position:fixed;inset:0;z-index:110;background:rgba(14,26,38,.45);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
body.nav-open .nav-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-links{display:flex;flex-direction:column;margin-top:8px}
.drawer-links a{
  display:flex;align-items:center;height:52px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);transition:color var(--ease),background var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--brand)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;margin:18px 0;
  padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
}
.drawer-search svg{width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:1.6}
.drawer-search input{width:100%;border:0;outline:none;background:transparent;font-size:15px}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C3D1}
.breadcrumb .current{color:var(--ink);font-weight:500}

/* ---------- category hero ---------- */
.cat-hero{padding:18px 0 0}
.cat-hero-card{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(100deg,#FFFFFF 0%,#F1F6FB 100%);
  box-shadow:var(--s2);overflow:hidden;min-height:300px;
}
.cat-hero-text{padding:40px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.cat-hero-text h1{font-size:34px;line-height:1.25;letter-spacing:-.01em}
.cat-hero-text p{font-size:16px;color:var(--text);max-width:520px}
.cat-hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.cat-hero-points span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--brand-dark);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 12px;
}
.cat-hero-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.cat-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.cat-hero-media{position:relative;min-height:260px;background:#EEF3F8;overflow:hidden}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(130deg,rgba(28,93,153,.22) 0%,rgba(0,169,143,.08) 60%,rgba(255,255,255,.05) 100%);
}
.cat-hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:flex;gap:18px;padding:14px 18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.7);box-shadow:var(--s2);
}
.cat-hero-float div{display:flex;flex-direction:column}
.cat-hero-float b{font-size:20px;color:var(--brand-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.cat-hero-float small{font-size:13px;color:var(--muted)}

/* ---------- topics ---------- */
.topic-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start}
.topic-aside{
  position:sticky;top:100px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--s1);
}
.topic-aside-title{font-size:13px;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.chip-list{display:flex;flex-direction:column;gap:8px}
.chip{
  padding:9px 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:14px;text-align:left;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.chip:active{transform:scale(.99)}
.aside-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.75}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.topic-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.topic-card .thumb{position:relative;aspect-ratio:16/10;background:#EEF3F8;overflow:hidden}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.topic-card:hover .thumb img{transform:scale(1.04)}
.topic-card .thumb .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--brand)}
.topic-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.topic-card h3{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.topic-card:hover h3{color:var(--brand)}
.topic-card .card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.topic-card .card-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2DF}
.topic-more{display:flex;justify-content:center;margin-top:36px}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--brand-light);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.stat-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.stat-items{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));flex:1;gap:0}
.stat-item{padding:0 24px;border-right:1px solid rgba(28,93,153,.16)}
.stat-item:first-child{padding-left:0}
.stat-item:last-child{border-right:0}
.stat-num{font-size:40px;font-weight:700;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}
.stat-num small{font-size:15px;font-weight:500;color:var(--brand-dark);margin-left:4px}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}
.stat-side{max-width:260px;font-size:14px;color:var(--brand-dark)}

/* ---------- capability cards ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cap-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--s1);
  transition:transform var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.cap-icon{
  width:48px;height:48px;border-radius:12px;background:#F1F6FB;
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  transition:background var(--ease);
}
.cap-card:hover .cap-icon{background:var(--brand-light)}
.cap-card h3{font-size:20px;line-height:1.4}
.cap-card p{font-size:14px;color:var(--muted);line-height:1.8}
.cap-card .link-arrow{margin-top:auto}

/* ---------- steps ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:8px}
.steps::before{content:"";position:absolute;top:22px;left:8%;right:8%;height:2px;background:var(--line)}
.step{position:relative;z-index:1;text-align:center;padding:0 8px}
.step-dot{
  width:44px;height:44px;margin:0 auto 16px;border-radius:50%;
  background:#fff;border:2px solid var(--line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-variant-numeric:tabular-nums;
  transition:border-color var(--ease),color var(--ease);
}
.step.is-current .step-dot{border-color:var(--spark);color:var(--spark)}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;
  transition:box-shadow var(--ease);
}
.faq-item:hover{box-shadow:var(--s2)}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-idx{font-size:15px;font-weight:700;color:rgba(28,93,153,.4);font-variant-numeric:tabular-nums}
.faq-sign{position:relative;margin-left:auto;width:22px;height:22px;flex:none}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
}
.faq-sign::before{left:0;right:0;top:10px;height:2px}
.faq-sign::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-sign::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms cubic-bezier(.2,.7,.3,1)}
.faq-a-inner{padding:0 24px 22px 64px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-foot{text-align:center;margin-top:28px}

/* ---------- cta + form ---------- */
.cta-band{background:var(--brand-dark);color:#fff;padding:64px 0}
.cta-band h2{color:#fff;font-size:30px;line-height:1.3}
.cta-band p{color:var(--inv-muted);font-size:15px;margin-top:12px;max-width:640px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.cta-inner{max-width:820px}
.contact-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:20px}
.info-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--s1)}
.info-item .cap-icon{width:44px;height:44px;border-radius:10px;flex:none}
.info-item h3{font-size:16px;margin-bottom:4px}
.info-item p{font-size:14px;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s2);padding:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--spark);margin-left:2px}
.input,.select,.textarea{
  width:100%;height:46px;padding:0 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.textarea{height:auto;min-height:130px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18)}
.input:disabled,.select:disabled,.textarea:disabled{background:#F1F5F9;opacity:.6;cursor:not-allowed}
.field.has-error .input,.field.has-error .textarea{border-color:var(--err)}
.field .err-text{display:none;font-size:12px;color:var(--err);margin-top:6px}
.field.has-error .err-text{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:4px 0 20px}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex:none}
.alert-ok{
  display:none;margin-bottom:16px;padding:12px 16px;border-radius:var(--r-btn);
  background:#E6F6F3;border:1px solid #A9E0D6;color:#0B6F60;font-size:14px;
}
.alert-ok.is-on{display:block}

/* ---------- footer ---------- */
.site-footer{background:#0F1F33;color:#A9B7C6;padding:64px 0 0;margin-top:var(--sec-y)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-mark{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px;font-size:14px}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A9B7C6;transition:color var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:13px;line-height:1.85;color:#8FA2B6;margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA2B6;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  :root{--sec-y:72px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:block}
  .nav{height:64px}
  .nav-drawer,.nav-mask{display:block}
  .cat-hero-card{grid-template-columns:1fr}
  .cat-hero-media{min-height:240px;order:-1}
  .cat-hero-text{padding:32px}
  .cat-hero-text h1{font-size:30px}
  .topic-layout{grid-template-columns:1fr;gap:20px}
  .topic-aside{position:static;padding:16px}
  .chip-list{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:6px;scrollbar-width:thin}
  .chip{flex:none;white-space:nowrap}
  .aside-note{display:none}
  .section-head h2{font-size:26px}
  .stat-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}
  .stat-item{border-right:0;padding:0 0 0 20px;border-left:1px solid rgba(28,93,153,.16)}
  .stat-item:first-child,.stat-item:nth-child(3){padding-left:0;border-left:0}
  .stat-side{max-width:100%}
  .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}
  .steps::before{display:none}
  .contact-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .cat-hero-text{padding:24px}
  .cat-hero-text h1{font-size:28px}
  .cat-hero-float{left:12px;right:12px;bottom:12px;justify-content:space-between}
  .topic-grid{grid-template-columns:1fr;gap:20px}
  .section-head h2{font-size:22px}
  .stat-num{font-size:32px}
  .cap-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .faq-q{padding:16px;font-size:16px}
  .faq-a-inner{padding:0 16px 18px 48px}
  .form-card{padding:20px}
  .form-row{grid-template-columns:1fr}
  .btn-block-mobile{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:480px){
  .cat-hero-text h1{font-size:26px}
  .cat-hero-text p{font-size:15px}
  .topic-card .body{padding:16px}
  .cap-card{padding:20px}
  .stat-item{padding-left:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:1ms!important}
  .cat-hero-float{animation:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#1C5D99;
  --brand-dark:#123F6B;
  --brand-light:#E9F1F8;
  --accent:#00A98F;
  --pop:#FF6B35;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --border:#E2E9F1;
  --ink:#0E1A26;
  --text:#1F2A37;
  --muted:#64748B;
  --success:#12A594;
  --warn:#E8A33D;
  --danger:#D9534F;
  --on-dark:#D7E3EF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-lg:20px;
  --s1:0 1px 2px rgba(16,32,54,.06);
  --s2:0 8px 24px -8px rgba(16,42,74,.12);
  --s3:0 16px 36px -12px rgba(16,42,74,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:72px;
  --sp-7:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:var(--s1);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--border);
  box-shadow:var(--s2);
}
.nav{display:flex;align-items:center;gap:20px;height:72px;}
.site-header.is-scrolled .nav{height:64px;transition:height var(--dur) var(--ease);}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;}
.logo-mark{display:inline-flex;width:30px;height:28px;color:var(--brand);}
.logo-mark svg{width:30px;height:28px;display:block;}
.logo-type{display:inline-flex;align-items:flex-end;gap:5px;line-height:1;}
.logo-main{font-size:17px;font-weight:700;letter-spacing:-0.01em;color:var(--ink);}
.logo-sub{font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:3px 7px;letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;margin-left:6px;}
.nav-link{position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--text);border-radius:8px;transition:color var(--dur) var(--ease);}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;background:#fff;border:1px solid var(--border);border-radius:var(--r-btn);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.nav-search svg{width:16px;height:16px;flex:none;fill:none;stroke:var(--muted);stroke-width:1.6;stroke-linecap:round;}
.nav-search input{width:150px;border:0;background:transparent;font-size:14px;outline:none;color:var(--text);}
.nav-search input::placeholder{color:var(--muted);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.16);}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);border-radius:var(--r-btn);cursor:pointer;}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background var(--dur) var(--ease);}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--dur) var(--ease);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(14,26,38,.45);z-index:70;opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:#fff;z-index:80;transform:translateX(100%);transition:transform 240ms var(--ease);padding:18px 16px 28px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
.drawer-close{width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:var(--r-btn);font-size:20px;line-height:1;color:var(--muted);cursor:pointer;transition:color var(--dur) var(--ease),background var(--dur) var(--ease);}
.drawer-close:hover{color:var(--brand);background:var(--brand-light);}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-btn);margin-bottom:12px;}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--muted);stroke-width:1.6;stroke-linecap:round;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;}
.drawer-link{display:flex;align-items:center;height:52px;font-size:16px;color:var(--text);border-bottom:1px solid var(--border);}
.drawer-link.is-active{color:var(--brand);font-weight:700;}
.drawer-cta{margin-top:20px;width:100%;}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;white-space:nowrap;text-decoration:none;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn:active{transform:scale(.99);}
.btn-primary{background:var(--pop);color:#fff;box-shadow:var(--s1);}
.btn-primary:hover{background:#F05520;color:#fff;box-shadow:var(--s2);transform:translateY(-1px);}
.btn-solid{background:var(--brand);color:#fff;}
.btn-solid:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--s2);transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand);transition:color var(--dur) var(--ease);}
.text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) var(--ease);}
.text-link:hover{color:var(--brand-dark);}
.text-link:hover svg{transform:translateX(4px);}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;font-size:12px;font-weight:500;line-height:1.4;color:var(--brand);background:var(--brand-light);border-radius:999px;}
.badge-accent{color:#046B5B;background:rgba(0,169,143,.12);}
.badge-peak{color:#B33F14;background:rgba(255,107,53,.14);}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);}
.eyebrow-brand{color:var(--brand);}
.tag-cut{
  display:inline-flex;align-items:center;height:28px;padding:0 14px 0 12px;
  font-size:13px;font-weight:700;color:var(--brand-dark);background:var(--brand-light);
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-7) 0;}
.section-tight{padding:var(--sp-6) 0;}
.section-white{background:#fff;}
.section-line{border-top:1px solid var(--border);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3;margin-top:10px;}
.section-head p{margin-top:8px;font-size:14px;color:var(--muted);}
.section-head-side{flex:none;padding-bottom:6px;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);transition:color var(--dur) var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B7C4D2;}
.breadcrumb .current{color:var(--text);font-weight:500;}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  padding:calc(72px + 44px) 0 40px;
  background:
    radial-gradient(circle at 88% 4%, rgba(28,93,153,.14), rgba(28,93,153,0) 46%),
    linear-gradient(rgba(28,93,153,.04) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, rgba(28,93,153,.04) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(180deg,#EDF4FA 0%,#F5F8FB 100%);
  border-bottom:1px solid var(--border);
}
.page-hero__grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center;margin-top:22px;}
.page-hero h1{font-size:40px;font-weight:700;line-height:1.25;margin-top:14px;}
.page-hero .lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);max-width:640px;}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-note{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:24px;font-size:13px;color:var(--muted);}
.hero-note span{display:inline-flex;align-items:center;gap:6px;}
.hero-note svg{width:15px;height:15px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.hero-panel{background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.9);border-radius:var(--r-lg);box-shadow:var(--s2);padding:22px;-webkit-backdrop-filter:blur(12px) saturate(140%);backdrop-filter:blur(12px) saturate(140%);}
.hero-panel__title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand);}
.hero-panel__row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--border);}
.hero-panel__row:last-child{border-bottom:0;padding-bottom:2px;}
.hero-panel__label{font-size:13px;color:var(--muted);}
.hero-panel__value{font-size:18px;font-weight:700;color:var(--ink);}
.hero-panel__value em{font-style:normal;font-size:13px;font-weight:500;color:var(--accent);margin-left:4px;}

/* ============ 指标卡 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:20px;transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.metric-card:hover{box-shadow:var(--s2);transform:translateY(-2px);border-color:#D3E0ED;}
.metric-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.metric-card__num{font-size:40px;font-weight:700;line-height:1.1;color:var(--accent);letter-spacing:-0.02em;white-space:nowrap;}
.metric-card__unit{font-size:16px;font-weight:500;color:var(--muted);margin-left:4px;}
.metric-card__label{margin-top:8px;font-size:13px;color:var(--muted);}
.metric-card__foot{margin-top:10px;font-size:12px;color:#8A97A6;}
.delta{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap;}
.delta-up{color:#046B5B;background:rgba(0,169,143,.13);}
.delta-down{color:#B33F14;background:rgba(255,107,53,.14);}
.metric-footline{margin-top:18px;font-size:13px;color:var(--muted);}

/* ============ 数据表 ============ */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);}
table.data-table{width:100%;border-collapse:collapse;min-width:860px;}
.data-table th{background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:700;text-align:left;padding:12px;white-space:nowrap;}
.data-table td{padding:12px;font-size:14px;line-height:1.7;border-top:1px solid var(--border);color:var(--text);vertical-align:top;}
.data-table tbody tr:nth-child(even){background:#FAFCFE;}
.data-table tbody tr{transition:background var(--dur) var(--ease);}
.data-table tbody tr:hover{background:var(--bg);}
.data-table td.num{font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap;}

.update-strip{margin-top:24px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:18px 24px;}
.update-strip__title{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em;margin-bottom:6px;}
.update-item{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--border);}
.update-item__module{flex:none;font-size:12px;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:3px 10px;}
.update-item__title{flex:1;font-size:15px;color:var(--ink);font-weight:500;}
.update-item__date{flex:none;font-size:13px;color:var(--muted);}

/* ============ 卡片网格 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:22px;transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.card:hover{box-shadow:var(--s2);transform:translateY(-2px);border-color:#D3E0ED;}
.card:hover .icon-box{background:var(--brand-light);}
.card h3{font-size:19px;font-weight:700;line-height:1.4;margin-top:14px;}
.card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}
.card .text-link{margin-top:16px;}
.icon-box{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--bg);color:var(--brand);transition:background var(--dur) var(--ease);}
.icon-box svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.card-meta{margin-top:14px;font-size:13px;color:var(--muted);}

/* ============ 两栏图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split h2{font-size:30px;font-weight:700;line-height:1.3;margin-top:12px;}
.split .copy p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted);}
.point-list{margin-top:20px;display:grid;gap:12px;}
.point-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--text);}
.point-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--brand);}
.media{position:relative;border-radius:var(--r-img);overflow:hidden;background:#EEF3F8;}
.media-16-10{aspect-ratio:16/10;}
.media img{width:100%;height:100%;object-fit:cover;}
.figure-caption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center;}

/* ============ 接入方式 ============ */
.step-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:22px;display:flex;flex-direction:column;transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);}
.step-card:hover{box-shadow:var(--s2);transform:translateY(-2px);}
.step-card__no{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-size:14px;font-weight:700;}
.step-card h3{font-size:19px;font-weight:700;margin-top:14px;}
.step-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}
.step-card__meta{margin-top:auto;padding-top:16px;font-size:13px;color:var(--brand);font-weight:500;}

/* ============ CTA + 表单 ============ */
.cta-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(rgba(18,63,107,.93),rgba(18,63,107,.93)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:44px;
}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.cta-panel h2{color:#fff;font-size:30px;font-weight:700;line-height:1.3;margin-top:14px;}
.cta-panel .cta-copy{margin-top:14px;font-size:15px;line-height:1.85;color:var(--on-dark);}
.cta-points{margin-top:20px;display:grid;gap:10px;}
.cta-points li{position:relative;padding-left:20px;font-size:14px;color:#C7D6E5;}
.cta-points li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:var(--accent);}
.form-card{background:#fff;border-radius:var(--r-card);box-shadow:var(--s2);padding:24px;}
.form-grid{display:grid;gap:16px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:8px;}
.field .req{color:var(--pop);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;font-size:15px;color:var(--text);outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.field input,.field select{height:46px;}
.field textarea{padding:12px;min-height:110px;line-height:1.75;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#9AA7B5;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(28,93,153,.18);}
.field input:disabled,.field textarea:disabled{background:#F1F4F8;color:#9AA7B5;cursor:not-allowed;}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field .err-msg{display:none;margin-top:6px;font-size:12px;color:var(--danger);}
.field.has-error .err-msg{display:block;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:4px;}
.checkbox{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);line-height:1.6;}
.checkbox input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);}
.alert{display:none;margin-bottom:16px;padding:12px 14px;border-radius:var(--r-btn);font-size:14px;}
.alert.is-visible{display:block;}
.alert-success{background:rgba(18,165,148,.12);color:#046B5B;border:1px solid rgba(18,165,148,.35);}
.alert-error{background:rgba(217,83,79,.1);color:#A6392F;border:1px solid rgba(217,83,79,.3);}

/* ============ 页脚 ============ */
.site-footer{background:#0F1F33;color:#A9B7C6;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;}
.site-footer .logo{color:#fff;}
.site-footer .logo-main{color:#fff;}
.site-footer .logo-sub{background:rgba(255,255,255,.12);color:var(--on-dark);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9B7C6;}
.footer-contact{margin-top:18px;display:grid;gap:10px;}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#93A3B5;}
.footer-contact svg{width:16px;height:16px;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#A9B7C6;transition:color var(--dur) var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-note{font-size:13px;line-height:1.85;color:#8C9CAD;margin-bottom:10px;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8C9CAD;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:100%;padding:0 32px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-tools .btn-sm{display:none;}
  .nav-toggle{display:flex;}
  .nav{height:60px;}
  .site-header.is-scrolled .nav{height:60px;}
  .page-hero{padding:calc(60px + 32px) 0 32px;}
  .page-hero__grid{grid-template-columns:1fr;gap:28px;}
  .page-hero h1{font-size:34px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .section-head h2,.split h2,.cta-panel h2{font-size:26px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .page-hero{padding:calc(60px + 24px) 0 28px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2,.split h2,.cta-panel h2{font-size:22px;}
  .grid-4,.grid-3,.metric-grid{grid-template-columns:1fr;gap:16px;}
  .metric-card__num{font-size:34px;}
  .card,.metric-card,.step-card{padding:18px;}
  .cta-panel{padding:22px;border-radius:16px;}
  .form-card{padding:18px;}
  .form-foot .btn{width:100%;}
  .breadcrumb{font-size:12px;}
  .update-strip{padding:16px;}
  .update-item{flex-wrap:wrap;gap:8px 12px;}
  .update-item__title{flex:1 1 100%;order:3;font-size:14px;}
  .table-wrap{overflow:visible;border:0;box-shadow:none;background:transparent;}
  table.data-table{min-width:0;display:block;}
  .data-table thead{display:none;}
  .data-table tbody,.data-table tr,.data-table td{display:block;width:100%;}
  .data-table tr{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:8px 16px;margin-bottom:14px;}
  .data-table tbody tr:nth-child(even){background:#fff;}
  .data-table td{border-top:1px dashed var(--border);padding:10px 0;display:flex;justify-content:space-between;gap:16px;font-size:14px;}
  .data-table td::before{content:attr(data-label);color:var(--muted);font-size:13px;flex:none;}
  .data-table td:first-child{border-top:0;font-weight:700;color:var(--ink);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .figure-caption{text-align:left;}
}
@media (max-width:480px){
  .card,.metric-card,.step-card{padding:16px;}
  .card h3,.step-card h3{font-size:17px;}
  .metric-card__num{font-size:30px;}
  .cta-panel{padding:18px;}
  .form-card{padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important;}
}

/* roulang page: category3 */
:root{
  --primary:#1C5D99;
  --primary-dark:#123F6B;
  --primary-soft:#E9F1F8;
  --accent:#00A98F;
  --accent-dark:#00806D;
  --spark:#FF6B35;
  --spark-dark:#E2541F;
  --bg:#F5F8FB;
  --card:#FFFFFF;
  --border:#E2E9F1;
  --title:#0E1A26;
  --text:#1F2A37;
  --muted:#64748B;
  --inverse:#FFFFFF;
  --inverse-soft:#D7E3EF;
  --ok:#12A594;
  --err:#D9534F;
  --sh1:0 1px 2px rgba(16,32,54,.06);
  --sh2:0 8px 24px -8px rgba(16,42,74,.12);
  --sh3:0 16px 36px -12px rgba(16,42,74,.18);
  --r-sm:10px;
  --r-card:14px;
  --r-img:12px;
  --r-lg:20px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--primary);padding:10px 16px;border-radius:0 0 10px 0;z-index:400}
.skip-link:focus{left:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  left:0;right:0;top:0;
  z-index:120;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:var(--sh1);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--border);
  box-shadow:var(--sh2);
}
.nav{height:var(--nav-h);display:flex;align-items:center;gap:28px;transition:height 240ms var(--ease)}
.site-header.is-scrolled .nav{height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--primary);flex:none}
.logo-mark svg{width:30px;height:28px;display:block}
.logo-type{display:flex;align-items:baseline;gap:5px}
.logo-main{font-size:17px;font-weight:700;color:var(--title);letter-spacing:-.01em;line-height:1.2}
.logo-sub{font-size:11px;font-weight:700;line-height:1.7;color:#fff;background:var(--primary);border-radius:4px;padding:0 5px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;display:inline-block}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;width:200px;height:40px;padding:0 12px;
  background:rgba(255,255,255,.75);border:1px solid var(--border);border-radius:var(--r-sm);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--muted);stroke-width:1.6;stroke-linecap:round}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(28,93,153,.16)}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;border-radius:var(--r-sm);
  cursor:pointer;padding:0;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:20px;height:2px;background:var(--title);border-radius:2px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle span{position:absolute;left:12px;top:21px}
.nav-toggle span::before{content:"";position:absolute;top:-6px;left:0}
.nav-toggle span::after{content:"";position:absolute;top:6px;left:0}

/* ---------- Drawer ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(14,26,38,.45);z-index:190;
  opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:380px;background:#fff;z-index:200;
  transform:translateX(100%);transition:transform 240ms var(--ease);
  overflow-y:auto;padding:16px 0 32px;box-shadow:-12px 0 32px -18px rgba(16,42,74,.35);
}
.nav-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:6px 20px 14px;border-bottom:1px solid var(--border)}
.drawer-close{width:44px;height:44px;border:0;background:transparent;font-size:22px;line-height:1;color:var(--muted);cursor:pointer;border-radius:var(--r-sm)}
.drawer-close:hover{color:var(--primary);background:var(--primary-soft)}
.drawer-search{padding:14px 20px}
.drawer-search input{
  width:100%;height:44px;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:0 14px;outline:none;background:#fff;font-size:15px;
}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(28,93,153,.16)}
.drawer-link{display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px;color:var(--text);border-bottom:1px solid var(--border)}
.drawer-link:hover{background:var(--bg);color:var(--primary)}
.drawer-link.is-active{color:var(--primary);font-weight:700}
.drawer-cta{margin:20px 20px 0;width:calc(100% - 40px)}
body.no-scroll{overflow:hidden}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-accent{background:var(--spark);color:#fff}
.btn-accent:hover{background:var(--spark-dark);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:scale(.99)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:500;font-size:15px}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--primary-dark)}
.link-arrow:hover svg{transform:translateX(4px)}
.text-link{color:var(--primary);font-weight:500;border-bottom:2px solid rgba(0,169,143,.4)}
.text-link:hover{color:var(--accent-dark);border-bottom-color:var(--accent)}

/* ---------- Badges / pills ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;line-height:1;
}
.badge-accent{background:rgba(0,169,143,.12);color:var(--accent-dark);clip-path:polygon(7px 0,100% 0,100% 100%,0 100%,0 7px)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:12px}

/* ---------- Layout blocks ---------- */
.section{padding:96px 0}
.section-plain{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:30px;line-height:1.3;letter-spacing:-.01em;margin-bottom:10px}
.section-head p{font-size:14px;color:var(--muted);line-height:1.8}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3D0DD}
.breadcrumb [aria-current]{color:var(--title);font-weight:500}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 84px) 0 96px;
  background-image:linear-gradient(180deg,rgba(255,255,255,.90),rgba(255,255,255,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.hero::after{
  content:"";position:absolute;top:0;right:0;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle at 70% 20%,rgba(28,93,153,.10),transparent 68%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:40px;line-height:1.25;letter-spacing:-.01em;margin-bottom:18px}
.hero-sub{font-size:16px;color:var(--text);line-height:1.85;max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px}
.hero-points li{position:relative;padding-left:18px;font-size:14px;color:var(--muted)}
.hero-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--accent);border-radius:2px}
.hero-visual{position:relative}
.media{border-radius:var(--r-img);overflow:hidden;background:#EEF3F8;position:relative}
.media img{width:100%;height:100%;object-fit:cover}
.media-43{aspect-ratio:4/3}
.media-1610{aspect-ratio:16/10}
.media-169{aspect-ratio:16/9}
.hero-visual .media{border-radius:var(--r-lg);box-shadow:var(--sh2)}
.hero-visual .media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,93,153,.06),rgba(28,93,153,.20));
}
.hero-float{
  position:absolute;right:-14px;top:-22px;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--r-card);box-shadow:var(--sh3);
  padding:16px 18px;display:flex;gap:18px;
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.float-item{display:flex;flex-direction:column;gap:2px}
.float-item strong{font-size:20px;font-weight:700;color:var(--accent);line-height:1.3}
.float-item span{font-size:13px;color:var(--muted);line-height:1.5}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh1);
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.card-pad{padding:24px}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.icon{width:48px;height:48px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;margin-bottom:18px;transition:background var(--dur) var(--ease)}
.icon svg{width:24px;height:24px;fill:none;stroke:var(--primary);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.card:hover .icon{background:#DCEAF6}
.card h3{font-size:19px;line-height:1.4;margin-bottom:10px}
.card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative}
.step:not(:last-child)::before{
  content:"";position:absolute;top:21px;left:56px;width:calc(100% - 32px);height:2px;background:var(--border);
}
.step-node{
  position:relative;z-index:1;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;background:#fff;border:2px solid var(--border);
  color:var(--muted);font-weight:700;font-size:15px;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.step.is-current .step-node{
  background:var(--spark);border-color:var(--spark);color:#fff;
  box-shadow:0 10px 22px -10px rgba(255,107,53,.75);
}
.step h3{font-size:19px;margin:18px 0 8px;line-height:1.4}
.step p{font-size:14px;color:var(--muted);line-height:1.75}
.step-tag{display:inline-block;font-size:12px;color:var(--spark-dark);font-weight:700;margin-left:8px;vertical-align:2px}

/* ---------- Split blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:72px;padding-top:72px;border-top:1px solid var(--border)}
.split-alt .split-media{order:2}
.split-media .media{box-shadow:var(--sh2)}
.split-body .badge{margin-bottom:16px}
.split-body h3{font-size:24px;line-height:1.35;margin-bottom:16px}
.bullet-list{display:grid;gap:10px;margin-bottom:22px}
.bullet-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text);line-height:1.8}
.bullet-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--primary);border-radius:2px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;transition:box-shadow var(--dur) var(--ease)}
.faq-item:hover{box-shadow:var(--sh2)}
.faq-item:hover .faq-trigger::before{background:rgba(28,93,153,.35)}
.faq-item.is-open .faq-trigger::before{background:var(--primary);opacity:1}
.faq-trigger{
  position:relative;width:100%;display:flex;align-items:center;gap:18px;
  background:none;border:0;text-align:left;cursor:pointer;padding:20px 24px;
}
.faq-trigger::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:transparent;opacity:0;transition:background var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-item.is-open .faq-trigger::before{opacity:1}
.faq-num{font-size:13px;font-weight:700;color:rgba(28,93,153,.4);flex:none;letter-spacing:.04em}
.faq-text{flex:1;font-size:17px;font-weight:600;color:var(--title);line-height:1.5}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-panel-inner{padding:0 24px 22px 62px}
.faq-panel-inner p{font-size:15px;line-height:1.8;color:var(--text)}
.faq-more{text-align:center;margin-top:26px}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--primary-dark);color:#fff;border-radius:var(--r-lg);
  padding:56px 48px;text-align:center;box-shadow:var(--sh2);
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:12px}
.cta-band p{font-size:15px;color:var(--inverse-soft);max-width:620px;margin:0 auto 26px;line-height:1.8}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- Contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;margin-top:56px;align-items:start}
.contact-info{display:grid;gap:22px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-icon{width:42px;height:42px;flex:none;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center}
.info-icon svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.info-label{display:block;font-size:13px;color:var(--muted);line-height:1.6}
.info-value{display:block;font-size:15px;color:var(--title);font-weight:500;line-height:1.7}
.contact-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh2);padding:24px;
}
.contact-card h3{font-size:20px;margin-bottom:6px}
.form-hint{font-size:14px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--title);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--border);border-radius:var(--r-sm);background:#fff;
  padding:0 14px;height:46px;outline:none;font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA9B8}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(28,93,153,.16)}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field-error{display:none;font-size:12px;color:var(--err);margin-top:6px}
.field.has-error .field-error{display:block}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(18,165,148,.12);color:#0B7A6E;font-size:14px;border:1px solid rgba(18,165,148,.28);
}
.form-success.is-visible{display:block}

/* ---------- Footer ---------- */
.site-footer{background:#0F1F33;color:#A9B7C6;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{background:var(--accent);color:#04231F}
.site-footer .logo{color:#8FB6D8}
.footer-brand p{font-size:14px;line-height:1.85;margin:16px 0 18px;max-width:320px}
.footer-contact{display:grid;gap:10px}
.footer-contact span{display:flex;align-items:center;gap:8px;font-size:14px;color:#8FA3B6}
.footer-contact svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:#A9B7C6}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:13px;line-height:1.8;color:#8FA3B6;margin-bottom:12px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#7F92A6}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:block}
  .nav{height:60px}
  .site-header.is-scrolled .nav{height:60px}
  .hero{padding:calc(60px + 56px) 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-float{right:12px;top:-18px}
  .section{padding:72px 0}
  .section-head h2{font-size:26px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:36px 24px}
  .step:not(:last-child)::before{display:none}
  .split{grid-template-columns:1fr;gap:28px}
  .split-media{order:-1}
  .split-alt .split-media{order:-1}
  .split + .split{margin-top:48px;padding-top:48px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:44px 28px}
  .cta-band h2{font-size:26px}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 16px}
  .hero{padding:calc(60px + 40px) 0 48px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-float{position:static;margin-top:16px;animation:none;width:100%;justify-content:space-between}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .timeline{grid-template-columns:1fr;gap:28px}
  .step{border-left:2px solid var(--border);padding-left:20px;margin-left:21px}
  .step-node{margin-left:-43px;background:#fff}
  .split-body h3{font-size:20px}
  .grid-3{grid-template-columns:1fr}
  .card-pad{padding:20px}
  .faq-trigger{padding:16px}
  .faq-panel-inner{padding:0 16px 18px 50px}
  .cta-band{padding:36px 20px;border-radius:var(--r-card)}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .contact-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .site-footer{padding-top:48px}
}
@media (max-width:480px){
  .card-pad{padding:16px}
  .contact-card{padding:16px}
  .hero h1{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .card:hover,.btn:hover{transform:none}
  html{scroll-behavior:auto}
}