/* roulang page: index */
:root{
  --page-bg:#F4F7FC;
  --card:#FFFFFF;
  --blue-bg:#EAF1FA;
  --primary:#114FA8;
  --primary-dark:#0D3D80;
  --accent:#25D3EE;
  --accent-blue:#7B9CFF;
  --text-main:#1E2A3A;
  --text-sub:#51627A;
  --border:#DCE5F0;
  --success:#20B486;
  --warning:#E7A23A;
  --danger:#D95757;
  --nav-bg:#081120;
  --cta-bg:#0A1B38;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:8px;
  --shadow:0 1px 2px rgba(15,40,75,.04),0 12px 32px rgba(15,40,75,.06);
  --shadow-lg:0 4px 12px rgba(15,40,75,.08),0 20px 44px rgba(15,40,75,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--page-bg);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  min-height:100vh;
  display:flex;flex-direction:column;
}
a{color:inherit;text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease}
img{display:block;max-width:100%}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
button{cursor:pointer;border:none;background:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
body{overflow-x:hidden}

/* ---------- topbar ---------- */
.topbar{
  background:#091627;
  color:#C9D6EE;
  font-size:13px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:36px;gap:16px;
  white-space:nowrap;
}
.topbar .highlight{color:var(--accent)}
.topbar-right{display:flex;align-items:center;gap:10px;color:#7F93B0}
@media(max-width:640px){
  .topbar-right span{display:none}
}

/* ---------- header ---------- */
.site-header{
  background:var(--nav-bg);
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:2px solid transparent;
  border-image:linear-gradient(90deg,var(--accent),var(--accent-blue) 50%,rgba(37,211,238,0)) 1;
  box-shadow:0 8px 30px rgba(7,15,34,.25);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:32px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  display:flex;align-items:center;justify-content:center;
  color:#041022;font-weight:900;font-size:15px;letter-spacing:.5px;
  box-shadow:0 0 18px rgba(37,211,238,.35);
}
.brand-text{
  color:#F2F6FF;font-size:18px;font-weight:800;letter-spacing:.4px;
  display:flex;align-items:center;gap:4px;
}
.brand-text small{font-size:12px;color:#7B9CFF;font-weight:500;letter-spacing:.5px}
.main-nav{display:flex;align-items:center}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 14px;border-radius:var(--r-sm);
  color:#C7D2E6;font-size:15px;font-weight:500;
  letter-spacing:.2px;
  position:relative;
}
.main-nav a:hover{color:#fff;background:rgba(37,211,238,.08)}
.main-nav a.active{
  color:var(--accent);
  background:rgba(37,211,238,.10);
  text-shadow:0 0 18px rgba(37,211,238,.6);
}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--accent),rgba(37,211,238,0));
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--accent),#61DCFF);
  color:#061224;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 0 0 1px rgba(37,211,238,.2),0 6px 20px rgba(37,211,238,.28);
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 26px rgba(37,211,238,.4)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:8px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:#fff;
  flex-direction:column;gap:4px;
}
.nav-toggle span{width:20px;height:2px;background:#E3EDFF;display:block;border-radius:2px;transition:.3s}
@media(max-width:1024px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#081527;padding:18px 24px 24px;box-shadow:0 24px 50px rgba(0,0,0,.3)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .main-nav a{justify-content:flex-start;padding:13px 16px;font-size:17px}
  .main-nav a.active::after{display:none}
  .nav-toggle{display:inline-flex}
}
@media(max-width:560px){
  .header-inner{height:60px}
  .brand-text{font-size:16px}
  .brand-text small{display:none}
  .brand-mark{width:34px;height:34px}
  .nav-cta{height:38px;padding:0 14px;font-size:13px}
  .main-nav{top:60px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.4px;
  transition:all .15s ease;white-space:nowrap;
  gap:8px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#1B6AE6);
  color:#fff;
  box-shadow:0 6px 22px rgba(17,79,168,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(17,79,168,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#61DCFF);
  color:#061224;
  box-shadow:0 4px 18px rgba(37,211,238,.3);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(37,211,238,.45)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{
  background:transparent;color:var(--primary);border:1px solid #A5C7F5;
}
.btn-outline:hover{background:#EAF1FA;border-color:var(--primary)}
.btn-ghost{
  background:rgba(255,255,255,.5);color:var(--text-main);border:1px solid var(--border);
  box-shadow:0 2px 10px rgba(15,40,75,.04);
}
.btn-ghost:hover{background:#fff;border-color:var(--primary);color:var(--primary)}
@media(max-width:520px){
  .btn{height:44px;padding:0 20px;font-size:14px}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(135deg,#EAF2FF 0%,#F4F9FF 52%,#E4F4FA 100%);
  overflow:hidden;
  padding:80px 0 100px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(17,79,168,.08) 1px,transparent 1px);
  background-size:28px 28px;
  pointer-events:none;
}
.hero-bg-layer{
  position:absolute;right:-120px;top:-90px;width:620px;height:620px;
  background:url('/assets/images/backpic/back-1.webp') no-repeat center/cover;
  opacity:.7;mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,.8));
  -webkit-mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,.8));
  border-radius:40px;transform:rotate(4deg);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(17,79,168,.07);
  border:1px solid rgba(17,79,168,.14);
  color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.5px;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(38px,5vw,60px);
  line-height:1.16;font-weight:800;letter-spacing:1px;
  color:#0E1B32;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--text-sub);
  max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-status{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--border);
  box-shadow:var(--shadow);
  font-size:13px;color:var(--text-sub);
  font-weight:500;
}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(32,180,134,.15);display:inline-block}
.hero-visual{display:flex;justify-content:center;align-items:center;position:relative}
.visual-card{
  position:relative;width:min(92%,470px);border-radius:20px;
  padding:0;background:#fff;box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.visual-card img{width:100%;height:320px;object-fit:cover;border-radius:20px 20px 0 0}
.visual-card::after{
  content:"";position:absolute;inset:auto 24px 20px;height:78px;
  background:linear-gradient(to top,rgba(4,14,35,.72),transparent);
  border-radius:16px;
}
.visual-info{
  position:absolute;left:22px;right:22px;bottom:18px;z-index:2;
  color:#fff;font-size:14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.visual-info strong{font-size:16px;font-weight:700;color:#fff}
.visual-info span{display:flex;align-items:center;gap:6px;font-size:12px;color:#DCE5F0}
.visual-float{
  position:absolute;top:-16px;right:-8px;
  width:132px;padding:14px 14px;
  background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);
  border:1px solid #EAF1FA;display:flex;flex-direction:column;gap:6px;z-index:3;
}
.visual-float b{font-size:22px;color:var(--primary);line-height:1}
.visual-float p{font-size:12px;color:var(--text-sub)}
@media(max-width:880px){
  .hero{padding:56px 0 80px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-bg-layer{display:none}
  .visual-card{width:100%;max-width:560px}
}
@media(max-width:560px){
  .hero{padding:40px 0 60px}
  .hero h1{font-size:35px}
  .hero-sub{font-size:15px}
}

/* ---------- section general ---------- */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px}
.section-head .eyebrow{
  display:inline-block;font-weight:700;font-size:13px;color:var(--primary);
  letter-spacing:.08em;background:rgba(17,79,168,.08);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(26px,3vw,36px);line-height:1.3;font-weight:800;
  letter-spacing:.5px;color:#0E1B32;margin-bottom:8px;
}
.section-desc{font-size:15px;color:var(--text-sub);max-width:650px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
  font-size:15px;font-weight:600;color:var(--primary);
  padding:10px 18px;background:#EAF1FA;border-radius:999px;
  transition:background .15s ease,color .15s ease;
}
.link-more:hover{background:var(--primary);color:#fff}
@media(max-width:768px){
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}

/* ---------- entrance cards ---------- */
.entrance-section{position:relative}
.entrance-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  grid-template-areas:"main normal1 normal2" "main normal3 addr";
  gap:20px;
}
.entrance-card{
  background:var(--card);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow);
  border:1px solid rgba(220,229,240,.6);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.entrance-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(37,211,238,.5)}
.entrance-main{grid-area:main;background:#fff}
.entrance-card .icon{
  width:52px;height:52px;border-radius:14px;
  background:rgba(17,79,168,.08);display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:var(--primary);
}
.entrance-main .icon{background:linear-gradient(135deg,var(--accent),var(--accent-blue));color:#061224}
.entrance-card .icon svg{width:26px;height:26px}
.entrance-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:#10243F}
.entrance-card p{font-size:14px;color:var(--text-sub);margin-bottom:20px;line-height:1.7}
.entrance-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
}
.entrance-link:hover{color:#0D3D80;gap:10px}
.entrance-card:nth-child(2){grid-area:normal1}
.entrance-card:nth-child(3){grid-area:normal2}
.entrance-card:nth-child(4){grid-area:normal3}
.entrance-card:nth-child(5){grid-area:addr}
.entrance-guide{
  background:var(--blue-bg);border-radius:var(--r-lg);padding:30px;
  grid-area:addr;
  box-shadow:inset 0 0 0 1px rgba(17,79,168,.08);
}
@media(max-width:960px){
  .entrance-grid{grid-template-columns:1fr 1fr;grid-template-areas:"main main" "normal1 normal2" "normal3 addr"}
}
@media(max-width:600px){
  .entrance-grid{grid-template-columns:1fr;grid-template-areas:"main" "normal1" "normal2" "normal3" "addr"}
}

/* ---------- info split ---------- */
.info-section{background:#EAF1FA}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.info-text h2{font-size:clamp(26px,3vw,34px);font-weight:800;line-height:1.3;margin-bottom:16px}
.info-text p{color:var(--text-sub);font-size:15px;line-height:1.8;margin-bottom:16px}
.info-safety{
  background:#fff;padding:20px;border-radius:var(--r-md);
  border:1px solid #E0E9F2;box-shadow:var(--shadow);
  color:var(--text-main);font-size:14px;margin-top:18px;
  display:flex;gap:14px;
}
.info-safety svg{flex-shrink:0;width:24px;height:24px;color:var(--primary)}
.info-safety strong{display:block;color:var(--primary);margin-bottom:4px}
.info-visual{position:relative;padding:10px}
.info-visual .main-img{
  border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;height:380px;object-fit:cover;
}
@media(max-width:880px){
  .info-grid{grid-template-columns:1fr;gap:32px}
}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.news-feature{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);border:1px solid #E4EBF4;
  display:block;transition:transform .2s,box-shadow .2s;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-feature img{
  width:100%;height:238px;object-fit:cover;
}
.news-feature-content{padding:26px 28px 28px}
.news-feature-content .badge{
  display:inline-block;font-size:12px;color:var(--primary);
  background:rgba(17,79,168,.08);border-radius:999px;padding:4px 12px;
  font-weight:600;margin-bottom:12px;
}
.news-feature-content h3{font-size:20px;font-weight:750;line-height:1.5;margin-bottom:10px}
.news-feature-content h3 a:hover{color:var(--primary)}
.news-feature-content p{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:#8A98AF}
.news-meta .read-more{color:var(--primary);font-weight:600;margin-left:auto}
.news-list-wrap{
  background:#fff;border-radius:var(--r-lg);padding:26px 28px;
  box-shadow:var(--shadow);border:1px solid #E4EBF4;
  display:flex;flex-direction:column;gap:4px;
}
.news-list-wrap .list-heading{font-size:16px;font-weight:750;margin-bottom:8px;padding-bottom:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.news-list-wrap .list-heading svg{width:20px;height:20px;color:var(--primary)}
.news-item{
  padding:14px 0;border-bottom:1px solid #EFF3F9;display:block;
}
.news-item:last-child{border-bottom:none}
.news-item:hover h4{color:var(--primary)}
.news-item .n-meta{display:flex;gap:8px;align-items:center;justify-content:space-between;font-size:12px;color:#9AA9BC;margin-bottom:5px}
.news-item .cate{color:var(--primary);background:rgba(17,79,168,.07);padding:2px 8px;border-radius:999px;font-weight:600}
.news-item h4{font-size:15px;font-weight:650;color:#1E2A3A;line-height:1.55;transition:color .15s;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  background:#fff;border:1px dashed #C9D8E6;border-radius:var(--r-lg);
  padding:56px 20px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  color:var(--text-sub);font-size:15px;
}
.empty-state::before{
  content:"";width:44px;height:44px;border-radius:50%;
  border:2px dashed #C9D8E6;display:block;
  background:var(--page-bg);
  background-image:radial-gradient(circle at center,#C9D8E6 6px,transparent 6.5px);
  background-position:center;background-repeat:no-repeat;
}
@media(max-width:960px){
  .news-layout{grid-template-columns:1fr}
}

/* ---------- trust ---------- */
.trust-section{position:relative;padding:88px 0;background:#fff;border-top:1px solid #EAF0F7;border-bottom:1px solid #EAF0F7}
.trust-head{text-align:center;max-width:640px;margin:0 auto 30px}
.trust-head h2{font-size:28px;font-weight:800;color:#0E1B32;margin-bottom:12px}
.trust-head p{color:var(--text-sub)}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid #E2EAF2;border-radius:24px;overflow:hidden;
  background:#fff;
}
.trust-cell{
  padding:34px 20px;text-align:center;
  position:relative;
}
.trust-cell + .trust-cell::before{
  content:"";position:absolute;left:0;top:20%;bottom:20%;width:1px;background:#E2EAF2;
}
.trust-cell .num{font-size:34px;font-weight:850;color:var(--primary);line-height:1.2;letter-spacing:-1px}
.trust-cell .num sup{font-size:18px}
.trust-cell .label{color:var(--text-sub);font-size:14px;margin-top:8px}
.trust-note{
  margin-top:28px;background:var(--blue-bg);
  border:1px solid #D1E1F3;border-radius:var(--r-md);
  padding:16px 22px;display:flex;gap:14px;align-items:flex-start;
  font-size:14px;color:#2C4368;
}
.trust-note svg{width:22px;height:22px;color:var(--primary);flex-shrink:0;margin-top:2px}
@media(max-width:800px){
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-cell:nth-child(3)::before{display:none}
  .trust-cell{ border-bottom:1px solid #E2EAF2 }
  .trust-cell:nth-last-child(-n+2){border-bottom:0}
}
@media(max-width:480px){
  .trust-grid{grid-template-columns:1fr}
  .trust-cell + .trust-cell::before{display:none}
  .trust-cell{border-bottom:1px solid #E2EAF2}
  .trust-cell:last-child{border-bottom:0}
}

/* ---------- faq ---------- */
.faq-section{background:var(--page-bg)}
.faq-grid{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid #E1E8F2;border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .15s,box-shadow .15s;
}
.faq-item.open{border-color:#C5DBF5;box-shadow:var(--shadow)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:650;color:var(--text-main);
  gap:16px;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  color:var(--primary);transition:.3s;font-style:normal;font-size:18px;
}
.faq-icon::before{content:"+";line-height:1}
.faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg);border-color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-answer{max-height:400px}
.faq-answer-inner{padding:0 24px 22px;color:var(--text-sub);font-size:14px;line-height:1.85}
@media(max-width:560px){
  .faq-question{padding:16px 16px;font-size:15px}
  .faq-answer-inner{padding:0 16px 18px}
}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;background:var(--cta-bg);
  border-radius:24px;padding:64px 48px;
  color:#fff;text-align:center;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(37,211,238,.35),transparent 64%);
}
.cta-panel::after{
  content:"";position:absolute;bottom:-140px;left:-60px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(123,156,255,.3),transparent 65%);
}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{font-size:clamp(26px,3vw,38px);font-weight:800;margin-bottom:12px;color:#fff}
.cta-inner p{font-size:15px;color:#C6D3EA;max-width:580px;margin:0 auto 28px;line-height:1.8}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-hint{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:24px;font-size:13px;color:#94ABC6;
}
.cta-hint .dot{width:7px;height:7px;background:var(--success);border-radius:50%;box-shadow:0 0 0 3px rgba(32,180,134,.2)}
@media(max-width:560px){
  .cta-panel{padding:42px 20px;border-radius:18px}
}

/* ---------- footer ---------- */
.site-footer{
  background:#081120;color:#A8B7CF;
  padding:70px 0 34px;margin-top:auto;
  border-top:2px solid transparent;
  border-image:linear-gradient(90deg,var(--accent),rgba(37,211,238,0)) 1;
}
.site-footer a:hover{color:var(--accent)}
.footer-top{display:grid;grid-template-columns:1.6fr .8fr .8fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .f-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .f-logo .brand-mark{background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px}
.footer-cols h4{color:#F1F5FD;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-cols ul li{margin-bottom:10px}
.footer-cols a{font-size:14px;display:inline-flex;align-items:center;gap:6px}
.footer-cols a::before{content:"›";color:#4E6D95;transition:.15s}
.footer-cols a:hover::before{color:var(--accent)}
.footer-status-block{background:rgba(255,255,255,.04);padding:18px;border-radius:14px;font-size:14px}
.footer-status-block .status-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.footer-status-block .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 10px rgba(37,211,238,.6)}
.footer-status-block p{color:#A0B1C6;font-size:13px}
.footer-bottom{
  padding-top:28px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#607999;flex-wrap:wrap;
}
.footer-bottom a{color:#88A0B8}
@media(max-width:960px){
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .footer-top{grid-template-columns:1fr;gap:30px;padding-bottom:30px}
  .footer-bottom{flex-direction:column}
}

/* ---------- temporary default helper ---------- */
.section+.section{padding-top:0}
.anchor{scroll-margin-top:100px}

/* ---------- external link style ---------- */
.primary-link{
  color:var(--primary);
  text-decoration:underline;
  text-decoration-color:rgba(17,79,168,.25);
  text-underline-offset:4px;
  font-weight:500;
}
.primary-link:hover{color:var(--primary-dark);text-decoration-color:var(--primary)}

/* roulang page: article */
:root {
    --page-bg: #f4f7fc;
    --card-bg: #ffffff;
    --light-blue: #eaf1fa;
    --primary: #114fa8;
    --primary-hover: #0d3d80;
    --accent: #25d3ee;
    --accent-purple: #7b9cff;
    --heading: #1e2a3a;
    --body-text: #2b3a51;
    --muted: #51627a;
    --line: #dce5f0;
    --nav-bg: #081120;
    --cta-panel: #0a1b38;
    --white: #ffffff;
    --success: #20b486;
    --warning: #e7a23a;
    --error: #d95757;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow: 0 1px 2px rgba(15, 40, 75, 0.04), 0 12px 32px rgba(15, 40, 75, 0.06);
    --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}
*, *::before, *::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--page-bg);
    color: var(--body-text);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
}
img {
    max-width: 100%;
    display: block;
    border: 0;
}
ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}
h1, h2, h3, h4, h5, p, figure {
    margin: 0;
}
button {
    font-family: inherit;
    border: 0;
    background: none;
    cursor: pointer;
}
.container {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}
@media (max-width: 640px) {
    .container {
        width: calc(100% - 32px);
    }
}

/* ========== 顶部导航 ========== */
.site-header {
    position: relative;
    background: var(--nav-bg);
    z-index: 100;
    box-shadow: 0 8px 28px rgba(8, 17, 32, 0.16);
}
.site-header::after {
    content: "";
    display: block;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-purple) 60%, rgba(37, 211, 238, 0) 100%);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
    min-width: 0;
}
.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 2px solid var(--accent);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--accent);
    background: rgba(37, 211, 238, 0.08);
    box-shadow: 0 0 18px rgba(37, 211, 238, 0.18);
}
.brand-text {
    color: #f0f6ff;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.main-nav ul {
    display: flex;
    align-items: center;
    gap: 6px;
}
.main-nav a {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 10px;
    color: #b7c4d8;
    font-weight: 600;
    font-size: 15px;
    position: relative;
    transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.main-nav a:hover {
    color: var(--accent);
    background: rgba(37, 211, 238, 0.1);
}
.main-nav a.active {
    color: #081120;
    background: var(--accent);
    box-shadow: 0 0 18px rgba(37, 211, 238, 0.38);
}
.main-nav a:focus-visible {
    color: var(--accent);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 22px;
    border-radius: 10px;
    background: linear-gradient(135deg, #1cc6e4 0%, var(--accent) 100%);
    color: #071328;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.02em;
    box-shadow: 0 0 20px rgba(37, 211, 238, 0.2);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.nav-cta:hover {
    transform: translateY(-1px);
    color: #03111f;
    box-shadow: 0 0 26px rgba(37, 211, 238, 0.34);
}
.nav-cta:active {
    transform: translateY(0);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #dce9ff;
    border-radius: 3px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}
body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========== 文章页首部 ========== */
.article-band {
    position: relative;
    background-color: #0c3c84;
    background-image:
        linear-gradient(120deg, rgba(5, 16, 36, 0.86) 0%, rgba(7, 37, 82, 0.72) 48%, rgba(19, 94, 168, 0.42) 100%),
        url('/assets/images/backpic/back-2.webp');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center 30%;
    color: #fff;
    padding: 62px 0 72px;
}
.article-band::before {
    content: "";
    position: absolute;
    right: 8%;
    top: 0;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(37, 211, 238, 0.22) 0%, rgba(37, 211, 238, 0) 70%);
    pointer-events: none;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(237, 244, 255, 0.72);
    margin-bottom: 22px;
    position: relative;
    z-index: 2;
}
.breadcrumb a {
    color: #e7f2ff;
    opacity: 0.92;
    transition: color 0.2s ease;
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.35);
    opacity: 1;
}
.article-tag {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 32px;
    padding: 0 14px;
    width: auto;
    background: rgba(37, 211, 238, 0.15);
    border: 1px solid rgba(37, 211, 238, 0.42);
    color: #d9f8ff;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}
.article-title {
    position: relative;
    z-index: 2;
    max-width: 900px;
    color: #f7fbff;
    font-size: clamp(32px, 4.2vw, 50px);
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: 0.01em;
    margin-bottom: 24px;
    text-wrap: balance;
}
.article-meta {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    color: rgba(229, 240, 255, 0.8);
    font-size: 14px;
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.meta-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.8;
}
.meta-sep {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.7;
}

/* ========== 正文阅读区 ========== */
.article-main {
    padding: 40px 0 70px;
}
.article-layout {
    width: min(1080px, 100% - 48px);
    margin: 0 auto;
}
.cover-frame {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 16px 42px rgba(12, 39, 74, 0.1);
    margin-bottom: 26px;
    background: #e6edf8;
}
.cover-frame img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
}
.post-entry {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: clamp(22px, 5vw, 58px);
    box-shadow: var(--shadow);
    border: 1px solid rgba(220, 229, 240, 0.7);
}
.post-article {
    font-size: 17px;
    line-height: 1.85;
    color: var(--body-text);
    overflow-wrap: break-word;
}
.post-article > * + * {
    margin-top: 22px;
}
.post-article p {
    margin-bottom: 1.5em;
    color: #2e3c54;
}
.post-article a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(17, 79, 168, 0.3);
    transition: color 0.2s ease, text-decoration-color 0.2s ease;
}
.post-article a:hover {
    color: var(--primary-hover);
    text-decoration-color: var(--primary-hover);
}
.post-article h1,
.post-article h2,
.post-article h3,
.post-article h4 {
    color: var(--heading);
    margin-top: 48px;
    margin-bottom: 16px;
    line-height: 1.4;
}
.post-article h2 {
    font-size: 28px;
    font-weight: 750;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}
.post-article h3 {
    font-size: 22px;
    font-weight: 700;
}
.post-article h4 {
    font-size: 18px;
    font-weight: 700;
}
.post-article ul,
.post-article ol {
    margin: 18px 0 26px;
    padding-left: 24px;
}
.post-article ul {
    list-style: disc;
}
.post-article ol {
    list-style: decimal;
}
.post-article li {
    margin-bottom: 8px;
    padding-left: 4px;
}
.post-article img {
    border-radius: 16px;
    margin: 28px auto;
    box-shadow: 0 10px 28px rgba(11, 36, 68, 0.1);
}
.post-article blockquote {
    margin: 32px 0;
    padding: 20px 24px;
    border-left: 4px solid var(--accent);
    background: #f0f6ff;
    color: #334459;
    border-radius: 0 14px 14px 0;
    font-size: 16px;
}
.post-article blockquote p {
    margin-bottom: 0;
}
.post-article code {
    background: #edf2fa;
    color: #0b3d80;
    border: 1px solid #d7e3f1;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    font-family: ui-monospace, SFMono-Regular, Consolas, Menlo, monospace;
}
.post-article pre {
    background: #0a1829;
    color: #dceaff;
    border-radius: 14px;
    padding: 22px 24px;
    overflow-x: auto;
    line-height: 1.7;
    margin-top: 28px;
}
.post-article pre code {
    background: transparent;
    color: inherit;
    border: 0;
    padding: 0;
}
.post-article table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
}
.post-article th {
    background: #eef4fc;
    color: #17355d;
    font-weight: 700;
    text-align: left;
}
.post-article th,
.post-article td {
    border: 1px solid var(--line);
    padding: 12px 14px;
    vertical-align: top;
}
.post-article td {
    background: #fff;
}
.post-article hr {
    border: 0;
    height: 1px;
    background: var(--line);
    margin: 42px 0;
}

/* ========== 文章阅读引导按钮 ========== */
.article-end-nav {
    margin-top: 46px;
    padding-top: 30px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.btn-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    transition: background 0.2s, color 0.2s, transform 0.15s, border 0.2s;
}
.btn-nav-back {
    background: #e8f0fc;
    color: var(--primary);
    border: 1px solid #cad9ef;
}
.btn-nav-back:hover {
    background: #d7e6fc;
    color: var(--primary-hover);
    transform: translateY(-1px);
}
.btn-nav-home {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--line);
}
.btn-nav-home:hover {
    color: var(--primary);
    border-color: #b8c9e4;
    background: #f8fbff;
}
.btn-nav:active {
    transform: translateY(1px);
}
.entry-help-link {
    font-size: 14px;
    color: var(--muted);
}
.entry-help-link a {
    font-weight: 600;
}
.entry-help-link a:hover {
    color: var(--accent);
}

/* ========== 空状态 ========== */
.post-empty {
    max-width: 760px;
    margin: 96px auto;
    text-align: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 58px 40px;
    box-shadow: var(--shadow);
}
.empty-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 2px dashed var(--accent);
    color: var(--primary);
    background: #f2faff;
    font-size: 32px;
    line-height: 1;
}
.post-empty-title {
    color: var(--heading);
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 12px;
}
.post-empty-desc {
    font-size: 16px;
    color: var(--muted);
    max-width: 440px;
    margin: 0 auto 28px;
}

/* ========== 相关推荐 ========== */
.related-section {
    margin-top: 20px;
    padding: 60px 0 8px;
}
.related-title {
    color: var(--heading);
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 26px;
}
.related-list {
    display: grid;
    gap: 16px;
}
.related-item {
    display: grid;
    grid-template-columns: 52px 1fr auto;
    align-items: center;
    gap: 18px;
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: 14px;
    padding: 20px 22px;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.related-item:hover {
    border-left-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}
.related-num {
    font-size: 30px;
    font-weight: 800;
    color: #d2e1f4;
    line-height: 1;
}
.related-item:hover .related-num {
    color: #a9c4e9;
}
.related-item-body {
    display: block;
    min-width: 0;
}
.related-item-title {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 6px;
}
.related-item-summary {
    display: block;
    font-size: 14px;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ========== 支付/转按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(17, 79, 168, 0.18);
}
.btn-primary:hover {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
}
.btn-primary:active {
    transform: translateY(0);
}

/* ========== 底部转化卡 ========== */
.entry-cta {
    padding: 62px 0 88px;
}
.entry-cta-panel {
    background: var(--cta-panel);
    border-radius: 22px;
    padding: 42px 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(37, 211, 238, 0.2);
}
.entry-cta-panel::before {
    content: "";
    position: absolute;
    left: -80px;
    top: -100px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(37, 211, 238, 0.16) 0%, rgba(37, 211, 238, 0) 70%);
    pointer-events: none;
}
.entry-cta-copy {
    position: relative;
    z-index: 2;
    max-width: 680px;
}
.entry-cta-copy h2 {
    color: #f4f9ff;
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.32;
    font-weight: 800;
    margin-bottom: 12px;
}
.entry-cta-copy p {
    color: #a6bed8;
    font-size: 15px;
    line-height: 1.7;
}
.cta-panel-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    min-height: 52px;
    padding: 0 28px;
    border-radius: 12px;
    color: #071c2e;
    background: var(--accent);
    font-weight: 800;
    font-size: 16px;
    box-shadow: 0 0 24px rgba(37, 211, 238, 0.3);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.cta-panel-btn:hover {
    color: #071c2e;
    transform: translateY(-1px);
    box-shadow: 0 0 32px rgba(37, 211, 238, 0.5);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--nav-bg);
    color: #9aa9bd;
    position: relative;
}
.site-footer::before {
    content: "";
    display: block;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-purple) 55%, rgba(123, 156, 255, 0) 100%);
}
.footer-top {
    display: grid;
    grid-template-columns: 1.55fr 0.7fr 0.9fr 1.1fr;
    gap: 44px;
    padding: 58px 0 44px;
}
.footer-brand .f-logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 18px;
}
.footer-brand p {
    color: #8ba0b7;
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
}
.footer-cols h4 {
    color: #dceaff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer-cols ul li {
    margin-bottom: 12px;
}
.footer-cols ul a {
    color: #8ba0b7;
    font-size: 14px;
    transition: color 0.2s ease;
}
.footer-cols ul a:hover {
    color: var(--accent);
}
.footer-status-block {
    background: rgba(255, 255, 255, 0.04);
    padding: 20px 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
}
.status-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.status-row .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 12px rgba(32, 180, 134, 0.9);
}
.footer-status-block p {
    color: #748ba3;
    font-size: 13px;
    line-height: 1.7;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: #647b93;
    font-size: 13px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .entry-cta-panel {
        flex-direction: column;
        align-items: flex-start;
    }
    .entry-cta-copy {
        max-width: 100%;
    }
}
@media (max-width: 900px) {
    .nav-cta {
        display: none;
    }
    .header-inner {
        height: 64px;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .main-nav {
        position: fixed;
        left: 0;
        right: 0;
        top: 64px;
        background: rgba(8, 17, 32, 0.98);
        display: none;
        z-index: 120;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
    }
    body.nav-open .main-nav {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        padding: 14px 20px 22px;
        gap: 2px;
    }
    .main-nav a {
        padding: 14px 16px;
        border-radius: 10px;
        font-size: 16px;
    }
    .main-nav a.active {
        background: rgba(37, 211, 238, 0.18);
        color: var(--accent);
        box-shadow: none;
        border-left: 3px solid var(--accent);
    }
    .brand-text {
        font-size: 18px;
    }
}
@media (max-width: 768px) {
    .article-band {
        padding: 46px 0 54px;
    }
    .breadcrumb {
        font-size: 13px;
    }
    .article-meta {
        gap: 10px 18px;
        font-size: 13px;
    }
    .article-layout {
        width: min(100% - 32px, 1080px);
    }
    .cover-frame {
        border-radius: 16px;
    }
    .cover-frame img {
        aspect-ratio: 16 / 9;
    }
    .post-entry {
        padding: 24px 20px;
    }
    .post-article {
        font-size: 16px;
    }
    .post-article h2 {
        font-size: 24px;
    }
    .post-article h3 {
        font-size: 20px;
    }
    .article-end-nav {
        flex-direction: column;
        align-items: stretch;
    }
    .btn-nav {
        justify-content: center;
    }
    .related-item {
        grid-template-columns: 44px 1fr;
        gap: 12px;
    }
    .related-num {
        font-size: 24px;
    }
    .entry-cta {
        padding: 50px 0 70px;
    }
    .entry-cta-panel {
        padding: 30px 24px;
    }
    .cta-panel-btn {
        width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 44px 0 28px;
    }
    .post-empty {
        margin: 60px auto;
        padding: 42px 22px;
    }
}
@media (max-width: 520px) {
    .container {
        width: calc(100% - 28px);
    }
    .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        font-size: 14px;
    }
    .brand-text {
        font-size: 16px;
    }
    .article-layout {
        width: calc(100% - 24px);
    }
    .article-title {
        font-size: 30px;
    }
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .meta-sep {
        display: none;
    }
    .cover-frame img {
        aspect-ratio: 4 / 3;
    }
    .post-entry {
        padding: 22px 16px;
    }
    .post-article {
        font-size: 16px;
    }
    .post-article p {
        margin-bottom: 1.4em;
    }
    .post-article blockquote {
        padding: 17px 16px;
    }
    .post-article table {
        font-size: 13px;
        display: block;
        overflow-x: auto;
    }
    .related-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .related-num {
        font-size: 18px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

/* roulang page: category1 */
:root {
  --bg: #F4F7FC;
  --surface: #FFFFFF;
  --primary: #114FA8;
  --primary-dark: #0D3D80;
  --accent: #25D3EE;
  --accent-weak: #7B9CFF;
  --nav-bg: #081120;
  --cta-bg: #0A1B38;
  --ink: #1E2A3A;
  --ink-2: #51627A;
  --line: #DCE5F0;
  --line-light: #EAF1FA;
  --success: #20B486;
  --warning: #E7A23A;
  --danger: #D95757;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 40, 75, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 40, 75, 0.06);
  --shadow-lg: 0 22px 48px rgba(15, 40, 75, 0.10);
  --container: 1180px;
  --header-h: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "system-ui", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea {
  font-family: inherit;
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  cursor: pointer;
  background: none;
}

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

.section {
  padding-top: 88px;
  padding-bottom: 88px;
}

.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-weak));
}

.section-head h2 {
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.32;
  color: #0A1B38;
  margin-top: 10px;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--ink-2);
  margin-top: 14px;
  font-size: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  transition: background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.btn:focus-visible {
  outline: 3px solid rgba(37, 211, 238, .55);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 18px rgba(17, 79, 168, .18);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(17, 79, 168, .28);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  border: 1px solid rgba(17, 79, 168, .35);
  background: rgba(255, 255, 255, .7);
  color: var(--primary);
}

.btn-ghost:hover {
  background: rgba(17, 79, 168, .08);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-ghost:active {
  transform: translateY(0);
}

.btn-accent {
  background: var(--accent);
  color: #081120;
  box-shadow: 0 8px 22px rgba(37, 211, 238, .25);
}

.btn-accent:hover {
  background: #76E9FA;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(37, 211, 238, .36);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  border-bottom: 1px solid rgba(17, 79, 168, .3);
  transition: border-color .18s ease, color .18s ease;
}

.text-link:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.text-link-arrow::after {
  content: "→";
  transition: transform .18s ease;
}

.text-link-arrow:hover::after {
  transform: translateX(3px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--nav-bg);
  box-shadow: 0 10px 30px rgba(2, 10, 30, .28);
}

.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-weak) 45%, transparent 78%);
}

.site-header::after {
  top: auto;
  bottom: 0;
  height: 1px;
  background: rgba(255, 255, 255, .06);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-weak));
  color: #07101F;
  font-weight: 900;
  font-size: 17px;
  letter-spacing: .02em;
  box-shadow: 0 6px 14px rgba(37, 211, 238, .2);
}

.brand-text {
  color: #F2F8FF;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .01em;
}

.main-nav ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
}

.main-nav a {
  position: relative;
  display: inline-block;
  padding: 10px 4px;
  margin: 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: #B6C8E0;
  white-space: nowrap;
  transition: color .18s ease, text-shadow .18s ease;
}

.main-nav a:hover {
  color: #fff;
}

.main-nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.main-nav a.active {
  color: var(--accent);
  text-shadow: 0 0 14px rgba(37, 211, 238, .3);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(37, 211, 238, .8);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #07101F;
  font-size: 15px;
  font-weight: 800;
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.nav-cta:hover {
  background: #76E9FA;
  box-shadow: 0 0 20px rgba(37, 211, 238, .3);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #E9F2FF;
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
}

.guide-hero {
  position: relative;
  background:
    linear-gradient(115deg, rgba(244, 247, 252, .98) 0%, rgba(234, 241, 250, .92) 44%, rgba(17, 79, 168, .20) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border-bottom: 1px solid rgba(17, 79, 168, .12);
  overflow: hidden;
}

.guide-hero .hero-inner {
  padding-top: 72px;
  padding-bottom: 52px;
}

.hero-copy {
  max-width: 860px;
}

.hero-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--ink-2);
}

.hero-crumb a {
  color: var(--primary);
  font-weight: 600;
}

.hero-crumb a:hover {
  color: var(--primary-dark);
}

.hero-crumb span {
  color: #8CA3BF;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(17, 79, 168, .16);
  background: rgba(255, 255, 255, .6);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(32, 180, 134, .12);
}

.guide-hero h1 {
  margin-top: 20px;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: #0A1B38;
}

.hero-lead {
  max-width: 680px;
  margin-top: 18px;
  color: #33445C;
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-mini-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-mini-steps li {
  position: relative;
  padding: 9px 16px 9px 34px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  border: 1px solid rgba(17, 79, 168, .1);
  box-shadow: 0 4px 12px rgba(15, 40, 75, .04);
  font-size: 14px;
  color: #33445C;
}

.hero-mini-steps li::before {
  content: "→";
  position: absolute;
  left: 14px;
  color: var(--primary);
  font-weight: 800;
}

.hero-mini-steps li:first-child::before {
  content: "01";
  left: 12px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 900;
  letter-spacing: .02em;
}

.quick-assist {
  padding-top: 88px;
  padding-bottom: 30px;
}

.assist-panel {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  align-items: center;
  gap: 52px;
  background: var(--surface);
  border: 1px solid rgba(220, 229, 240, .8);
  border-radius: 24px;
  padding: 44px;
  box-shadow: var(--shadow-md);
}

.assist-media {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.assist-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.assist-body h2 {
  font-size: clamp(25px, 2.6vw, 34px);
  line-height: 1.35;
  color: #0A1B38;
  margin-top: 8px;
  letter-spacing: -0.01em;
}

.assist-body > p {
  margin-top: 14px;
  color: var(--ink-2);
}

.arrow-list {
  margin-top: 22px;
}

.arrow-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 13px;
  color: #33445C;
}

.arrow-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 900;
}

.arrow-list strong {
  color: var(--ink);
  font-weight: 700;
}

.assist-body .text-link {
  margin-top: 18px;
}

.path-section {
  padding-top: 70px;
  padding-bottom: 88px;
}

.path-timeline {
  position: relative;
  max-width: 940px;
  margin: 0 auto;
}

.path-timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary), rgba(37, 211, 238, .2));
  opacity: .35;
}

.path-node {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 28px;
  margin-bottom: 20px;
}

.node-num {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, #114FA8, #0A3A85);
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(17, 79, 168, .24);
}

.node-content {
  background: var(--surface);
  border: 1px solid rgba(220, 229, 240, .9);
  border-radius: 18px;
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}

.path-node:hover .node-content {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.node-note {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #EAF1FA;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

.node-content h3 {
  font-size: 20px;
  color: #0A1B38;
  margin-top: 10px;
}

.node-content p {
  color: var(--ink-2);
  margin-top: 9px;
}

.step-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 13px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}

.step-link::after {
  content: "→";
  transition: transform .18s ease;
}

.step-link:hover::after {
  transform: translateX(3px);
}

.identity-section {
  background: linear-gradient(180deg, var(--bg), #EAF1FA);
  padding-top: 88px;
  padding-bottom: 88px;
}

.identity-panel {
  background: var(--surface);
  border-radius: 24px;
  padding: 56px;
  border: 1px solid rgba(220, 229, 240, .8);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.identity-panel > h2 {
  font-size: clamp(26px, 3vw, 36px);
  color: #0A1B38;
  letter-spacing: -0.02em;
}

.identity-panel > p {
  max-width: 680px;
  color: var(--ink-2);
  margin-top: 10px;
}

.identity-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
  margin-top: 36px;
}

.identity-list li {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 18px 18px 18px 20px;
  border: 1px solid rgba(220, 229, 240, .9);
  border-radius: 16px;
  background: #F9FBFF;
  margin-bottom: 12px;
}

.identity-num {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #EAF1FA;
  color: var(--primary);
  font-size: 14px;
  font-weight: 900;
}

.identity-list h4 {
  font-size: 17px;
  color: var(--ink);
  font-weight: 750;
  margin-top: 4px;
}

.identity-list p {
  color: var(--ink-2);
  font-size: 15px;
  margin-top: 4px;
}

.identity-visual {
  position: relative;
}

.identity-visual::before {
  content: "";
  position: absolute;
  inset: -18px -14px auto auto;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 211, 238, .22), transparent 68%);
}

.identity-visual img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}

.identity-visual figcaption {
  position: relative;
  margin-top: 12px;
  text-align: center;
  color: var(--ink-2);
  font-size: 13px;
}

.env-section {
  padding-top: 88px;
  padding-bottom: 88px;
}

.env-shell {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 28px;
  align-items: stretch;
}

.env-feature {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  min-height: 280px;
  padding: 36px;
  background:
    linear-gradient(135deg, rgba(10, 27, 56, 0.94), rgba(17, 79, 168, .86)),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #EAF3FF;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--shadow-md);
}

.env-feature::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -80px;
  top: -70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 211, 238, .35), transparent 70%);
}

.env-feature h3 {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 25px;
  line-height: 1.4;
}

.env-feature p {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  max-width: 440px;
  color: rgba(233, 242, 255, .84);
}

.env-list {
  background: #fff;
  border: 1px solid rgba(220, 229, 240, .8);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.env-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.env-row:last-child {
  border-bottom: 0;
}

.env-row-num {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #EAF1FA;
  color: var(--primary);
  font-weight: 900;
  font-size: 14px;
}

.env-row h4 {
  font-size: 16px;
  color: #0A1B38;
  font-weight: 750;
  margin-top: 2px;
}

.env-row p {
  color: var(--ink-2);
  font-size: 15px;
  margin-top: 5px;
}

.faq-section {
  background: #EDF3FA;
  padding-top: 88px;
  padding-bottom: 88px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid rgba(220, 229, 240, .9);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.faq-item[open] {
  border-color: rgba(17, 79, 168, .24);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  position: relative;
  padding: 22px 60px 22px 26px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
  transition: color .18s ease;
}

.faq-item summary:hover {
  color: var(--primary);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 32px;
  height: 32px;
  margin-top: -16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #EAF1FA;
  color: var(--primary);
  font-size: 21px;
  font-weight: 500;
  transition: transform .22s ease, background .2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  padding: 0 60px 22px 26px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.85;
}

.cta-section {
  padding-top: 88px;
  padding-bottom: 88px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0A1B38, #0D3D80);
  border: 1px solid rgba(37, 211, 238, .18);
  border-radius: 24px;
  padding: 62px 56px;
  text-align: center;
  color: #DCEBFF;
  box-shadow: 0 24px 60px rgba(8, 17, 32, .2);
}

.cta-panel::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -150px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 211, 238, .22), transparent 70%);
}

.cta-panel h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.cta-panel p {
  max-width: 620px;
  margin: 14px auto 0;
  color: #B7CBE6;
  position: relative;
  z-index: 1;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
}

.cta-sub-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(233, 242, 255, .82);
  font-weight: 700;
  padding: 10px 12px;
  transition: color .18s ease;
}

.cta-sub-link::after {
  content: "→";
  transition: transform .18s ease;
}

.cta-sub-link:hover {
  color: var(--accent);
}

.cta-sub-link:hover::after {
  transform: translateX(3px);
}

.site-footer {
  position: relative;
  background: #081120;
  color: #B6C8E0;
  padding-top: 64px;
  padding-bottom: 30px;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-weak) 45%, transparent 82%);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 48px;
}

.footer-brand {
  max-width: 310px;
}

.f-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: #8FA9C8;
}

.footer-cols h4 {
  color: #F2F8FF;
  font-size: 15px;
  margin-bottom: 18px;
  letter-spacing: .04em;
}

.footer-cols ul li {
  margin-bottom: 11px;
}

.footer-cols a {
  font-size: 14px;
  color: #9DB4CF;
  transition: color .18s ease, padding-left .18s ease;
}

.footer-cols a:hover {
  color: var(--accent);
  padding-left: 3px;
}

.footer-status-block {
  padding: 20px 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-row .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(32, 180, 134, .1);
}

.footer-status-block p {
  margin-top: 10px;
  font-size: 13px;
  color: #8FA9C8;
  line-height: 1.75;
}

.footer-status-block a {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 52px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  color: #68829F;
}

@media (max-width: 1080px) {
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-status-block {
    grid-column: 1 / -1;
  }
}

@media (max-width: 920px) {
  .header-inner {
    gap: 12px;
  }

  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    background: #081120;
    padding: 12px 24px 22px;
    box-shadow: 0 26px 40px rgba(2, 10, 30, .28);
  }

  .main-nav.nav-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .main-nav a {
    display: block;
    margin: 0;
    padding: 13px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    font-size: 16px;
  }

  .main-nav a.active::after {
    height: auto;
    left: 0;
    top: 50%;
    bottom: 50%;
    width: 3px;
    border-radius: 3px;
    transform: translateY(-50%);
    box-shadow: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .assist-panel {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 30px;
  }

  .identity-panel {
    padding: 36px 28px;
  }

  .identity-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .env-shell {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: 46px 28px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 60px;
  }

  .section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 15px;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .guide-hero .hero-inner {
    padding-top: 40px;
    padding-bottom: 38px;
  }

  .guide-hero h1 {
    font-size: 38px;
    line-height: 1.2;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .assist-panel {
    padding: 24px 20px;
    border-radius: 18px;
  }

  .path-section {
    padding-top: 46px;
  }

  .path-timeline::before {
    left: 19px;
  }

  .path-node {
    grid-template-columns: 40px 1fr;
    column-gap: 12px;
  }

  .node-num {
    width: 40px;
    height: 40px;
    border-radius: 13px;
    font-size: 13px;
  }

  .node-content {
    padding: 19px 18px;
  }

  .node-content h3 {
    font-size: 18px;
  }

  .identity-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .identity-panel {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .identity-list li {
    flex-direction: column;
    padding: 16px;
  }

  .env-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .env-feature {
    min-height: 230px;
    padding: 26px;
  }

  .env-row {
    grid-template-columns: 34px 1fr;
    padding: 18px;
  }

  .env-row-num {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    font-size: 13px;
  }

  .faq-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .faq-item summary {
    padding: 18px 50px 18px 18px;
    font-size: 16px;
  }

  .faq-answer {
    padding: 0 18px 18px;
  }

  .cta-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .cta-panel {
    padding: 40px 20px;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-status-block {
    grid-column: auto;
  }

  .footer-bottom {
    margin-top: 36px;
  }
}

/* roulang page: category2 */
:root {
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "system-ui", "-apple-system", "segoe ui", sans-serif;
  --page-bg: #F4F7FC;
  --surface: #FFFFFF;
  --soft-bg: #EAF1FA;
  --primary: #114FA8;
  --primary-dark: #0D3D80;
  --accent: #25D3EE;
  --accent-soft: #7B9CFF;
  --text-main: #1E2A3A;
  --text-secondary: #51627A;
  --border-light: #DCE5F0;
  --success: #20B486;
  --warning: #E7A23A;
  --danger: #D95757;
  --nav-bg: #081120;
  --dark-panel: #0A1B38;
  --radius-xl: 20px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(15, 40, 75, 0.04), 0 12px 32px rgba(15, 40, 75, 0.06);
  --shadow-lift: 0 20px 48px rgba(17, 79, 168, 0.12), 0 4px 14px rgba(15, 40, 75, 0.06);
  --max-page: 1180px;
  --section-space: 88px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--page-bg);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
}

.container {
  max-width: var(--max-page);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== 顶部信息条 ========== */
.site-topline {
  background: #0f274d;
  color: #dfeaff;
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 4px 0;
  border-bottom: 1px solid rgba(37, 211, 238, 0.12);
}
.site-topline .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}
.top-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #C6DCFF;
}
.top-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(32, 180, 134, 0.18);
}
.top-note {
  font-size: 13px;
  color: #8DA9CB;
}

/* ========== 暗色导航 ========== */
.site-header {
  position: relative;
  background: var(--nav-bg);
  min-height: 72px;
  z-index: 50;
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft) 55%, rgba(37, 211, 238, 0));
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #4D8DFF);
  color: #081120;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(37, 211, 238, 0.24);
}
.brand-text {
  color: #F3F8FF;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.6px;
  white-space: nowrap;
}
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 6px;
}
.main-nav li a {
  font-size: 15px;
  color: #A9BFD9;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 8px;
  position: relative;
  transition: color 0.15s ease, background 0.15s ease;
}
.main-nav li a:hover {
  color: var(--accent);
  background: rgba(37, 211, 238, 0.06);
}
.main-nav li a.active {
  color: #fff;
  font-weight: 600;
}
.main-nav li a.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 9px rgba(37, 211, 238, 0.8);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-cta {
  background: linear-gradient(135deg, #25D3EE, #7B9CFF);
  color: #081120;
  font-weight: 700;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 10px;
  font-size: 15px;
  box-shadow: 0 0 16px rgba(37, 211, 238, 0.26);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(37, 211, 238, 0.42);
  opacity: 0.95;
}
.nav-cta:active {
  transform: translateY(0);
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #D6E4FF;
  margin: 5px 0;
  border-radius: 2px;
}

/* ========== 页面 Hero ========== */
.page-hero {
  position: relative;
  padding: 74px 0 68px;
  background: linear-gradient(135deg, #DDEAFB 0%, #EFF7FF 48%, #E4EFFB 100%);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at 20% 20%, rgba(37, 211, 238, 0.1) 0, transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(123, 156, 255, 0.14) 0, transparent 42%);
}
.hero-deco {
  position: absolute;
  right: -180px;
  top: -100px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(37, 211, 238, 0.13) 0%, transparent 65%);
  pointer-events: none;
}
.hero-bg-image {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 46%;
  pointer-events: none;
  opacity: 0.3;
  background-size: cover;
  background-position: center;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000);
  mask-image: linear-gradient(90deg, transparent, #000);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  position: relative;
}
.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
}
.breadcrumb a:hover {
  text-decoration: underline;
}
.breadcrumb i {
  font-style: normal;
  color: #93A5C0;
}
.hero-title {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.2;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin: 0 0 14px;
  max-width: 720px;
  position: relative;
}
.hero-title .hl {
  color: var(--primary);
  position: relative;
}
.hero-title .hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 10px;
  background: rgba(37, 211, 238, 0.28);
  z-index: -1;
  border-radius: 6px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 30px;
  position: relative;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
}
.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 0 24px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.2px;
  transition: all 0.16s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(17, 79, 168, 0.2);
}
.btn-primary:active {
  transform: translateY(0);
  background: #0B3570;
}
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: rgba(17, 79, 168, 0.4);
}
.btn-ghost:hover {
  background: rgba(17, 79, 168, 0.07);
  border-color: var(--primary);
}
.btn-ghost:active {
  background: rgba(17, 79, 168, 0.12);
}
.btn-cyan {
  background: var(--accent);
  color: #081120;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-cyan:hover {
  background: #57E4FF;
  border-color: #57E4FF;
  box-shadow: 0 0 26px rgba(37, 211, 238, 0.35);
  transform: translateY(-1px);
}
.btn:focus-visible,
.nav-cta:focus-visible,
a:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.hero-note {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 13px;
  position: relative;
}
.hero-note strong {
  color: var(--primary);
}

/* ========== 三步骤快速检查 ========== */
.step-strip {
  padding: 48px 0 10px;
}
.step-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}
.step-mini {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.step-mini:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
.mini-no {
  flex: 0 0 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--soft-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}
.step-mini:nth-child(2) .mini-no {
  background: rgba(37, 211, 238, 0.14);
  color: #0B79A0;
}
.step-mini:nth-child(3) .mini-no {
  background: rgba(123, 156, 255, 0.16);
  color: #3D5FE0;
}
.step-mini h3 {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 6px;
}
.step-mini p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ========== 主体两栏 ========== */
.help-main {
  padding: 56px 0 48px;
}
.help-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 368px;
  gap: 32px;
  align-items: start;
}
.guide-panel,
.side-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
}
.guide-panel {
  padding: 36px 38px;
}
.panel-sec-title {
  font-size: 24px;
  font-weight: 750;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-main);
}
.panel-lead {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 26px;
}
.guide-panel + .guide-panel {
  margin-top: 24px;
}
.flow-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}
.flow-list li {
  position: relative;
  display: flex;
  gap: 18px;
  padding-bottom: 26px;
}
.flow-list li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 42px;
  bottom: 6px;
  width: 2px;
  background: #E0EAF5;
  border-radius: 2px;
}
.flow-list li:last-child::before {
  display: none;
}
.flow-no {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(17, 79, 168, 0.08);
}
.flow-body {
  padding-top: 3px;
}
.flow-body h4 {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 6px;
}
.flow-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 620px;
}

/* 分割标题 */
.block-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.block-heading .bar {
  display: inline-block;
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
}
.block-heading h2 {
  font-size: 23px;
  font-weight: 750;
  line-height: 1.4;
}

/* accordion */
.faq-list {
  border-top: 1px solid var(--border-light);
}
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 18px 2px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.15s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item[open] summary {
  color: var(--primary);
}
.faq-icon {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid #C8D7EA;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-style: normal;
  font-weight: 500;
  color: var(--primary);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  border-color: var(--accent);
  background: rgba(37, 211, 238, 0.1);
}
.faq-answer {
  padding: 2px 10px 20px 2px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  max-width: 640px;
}

/* 侧栏 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 92px;
}
.side-card {
  padding: 24px;
}
.side-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(17, 79, 168, 0.08);
  border-radius: 99px;
  padding: 5px 13px;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}
.side-status {
  border: 1px solid #CDE1FA;
  background: linear-gradient(135deg, #F5F9FF, #EFF5FC);
}
.status-dot-large {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 5px rgba(32, 180, 134, 0.12);
  margin-right: 4px;
}
.side-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.side-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 12px;
}
.side-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.side-list li {
  position: relative;
  padding: 6px 0 6px 19px;
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.65;
}
.side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.alert-card {
  border: 1px solid #F4E1BE;
  background: #FFFDF6;
}
.alert-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.alert-head .ico-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--warning);
  flex: 0 0 auto;
}
.alert-head h3 {
  font-size: 16px;
  font-weight: 700;
}
.alert-card .side-list li::before {
  background: var(--warning);
}

/* form */
.form-card {
  border: 1px solid var(--border-light);
  background: var(--surface);
}
.form-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.form-intro {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text-main);
}
.form-group label span {
  color: var(--danger);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1.5px solid #D2DEEC;
  background: #FBFDFF;
  border-radius: 10px;
  min-height: 48px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.form-group textarea {
  min-height: 90px;
  resize: vertical;
}
.form-group select {
  appearance: none;
  background-image: radial-gradient(circle at calc(100% - 18px) 50%, var(--primary) 0, var(--primary) 2px, transparent 3px);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9DAEC5;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  outline: none;
  box-shadow: 0 0 0 4px rgba(17, 79, 168, 0.1);
}
.form-submit {
  width: 100%;
}
.form-foot-note {
  color: #9DAEC5;
  font-size: 13px;
  line-height: 1.7;
  margin-top: 11px;
}
.form-success {
  font-size: 14px;
  background: rgba(32, 180, 134, 0.1);
  border-radius: 10px;
  color: #11755C;
  margin-top: 12px;
  padding: 12px;
  font-weight: 600;
}

/* CTA 深色数据面板 */
.return-cta {
  padding: 16px 0 80px;
}
.return-panel {
  background: linear-gradient(120deg, #081529, #0C2048 55%, #0A1B38);
  border-radius: 24px;
  padding: 52px 56px;
  position: relative;
  overflow: hidden;
}
.return-panel::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  right: -130px;
  top: -170px;
  background: radial-gradient(circle, rgba(37, 211, 238, 0.18), transparent 70%);
}
.return-panel::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: 200px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 156, 255, 0.13), transparent 70%);
}
.return-panel .inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.return-left {
  max-width: 640px;
}
.return-left h2 {
  color: #F1F7FF;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 750;
  line-height: 1.3;
  margin-bottom: 12px;
}
.return-left p {
  color: #9DB5D8;
  line-height: 1.75;
}
.return-right {
  flex: 0 0 auto;
}
.cta-list {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.cta-list .btn {
  min-width: 140px;
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(238, 247, 255, 0.35);
  color: #DEE9FF;
}
.btn-outline-light:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(37, 211, 238, 0.06);
}
.btn-outline-light:active {
  background: rgba(37, 211, 238, 0.12);
}
.btn-return {
  background: linear-gradient(135deg, #25D3EE, #6AB3FF);
  color: #081120;
  border-color: transparent;
  font-weight: 700;
  min-width: 180px;
}
.btn-return:hover {
  box-shadow: 0 0 30px rgba(37, 211, 238, 0.4);
  transform: translateY(-1px);
  background: linear-gradient(135deg, #4BE4FF, #89C7FF);
}
.sub-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 13px;
  color: #9DB5D8;
}
.sub-actions a {
  color: #B7CCEA;
  border-bottom: 1px dashed rgba(183, 204, 234, 0.5);
}
.sub-actions a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* 引导小块 : 资讯 / 服务 */
.mini-related {
  padding: 0 0 80px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.rel-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 26px 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: 0 4px 15px rgba(15, 40, 75, 0.04);
}
.rel-img {
  flex: 0 0 92px;
  width: 92px;
  height: 92px;
  border-radius: 14px;
  object-fit: cover;
  background: #E5EDF7;
}
.rel-card h3 {
  font-size: 18px;
  font-weight: 650;
  line-height: 1.45;
  margin-bottom: 8px;
}
.rel-card h3 a:hover {
  color: var(--primary);
}
.rel-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 10px;
}
.rel-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.15s ease;
}
.rel-more:hover {
  gap: 9px;
  color: var(--primary-dark);
}
.rel-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 20px;
}
.rel-actions p {
  color: var(--text-secondary);
  font-size: 13px;
}
.rel-actions a {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--nav-bg);
  color: #AEC2DD;
  position: relative;
}
.site-footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(37, 211, 238, 0.2));
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.8fr 1fr;
  gap: 36px;
  padding: 52px 0 28px;
}
.footer-brand .f-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: #8CA5C2;
  max-width: 330px;
}
.footer-cols h4 {
  font-size: 16px;
  font-weight: 650;
  color: #E8F1FF;
  margin-bottom: 14px;
}
.footer-cols ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-cols li {
  margin-bottom: 9px;
}
.footer-cols a {
  font-size: 14px;
  color: #AEC2DD;
  display: inline-block;
  padding: 4px 0;
  transition: color 0.15s ease, transform 0.15s ease;
}
.footer-cols a:hover {
  color: var(--accent);
  transform: translateX(3px);
}
.footer-status-block {
  background: rgba(255, 255, 255, 0.045);
  border-radius: var(--radius-lg);
  padding: 16px 16px 4px;
  height: fit-content;
}
.status-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 6px;
}
.status-row .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 9px rgba(32, 180, 134, 0.5);
}
.footer-status-block p {
  font-size: 13px;
  line-height: 1.8;
  color: #84A0C2;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 20px 0 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #6F8CAD;
}
.footer-bottom a {
  color: #C0D6EB;
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .help-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  .form-card {
    grid-column: span 2;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 860px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #091628;
    border-top: 1px solid rgba(37, 211, 238, 0.2);
    box-shadow: 0 20px 42px rgba(0, 0, 0, 0.28);
    padding: 12px 22px 20px;
    z-index: 90;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }
  .main-nav li a {
    display: block;
    padding: 13px 4px;
    color: #C2D8EF;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 0;
    font-size: 15px;
  }
  .main-nav li a.active {
    color: var(--accent);
  }
  .main-nav li a.active::after {
    display: none;
  }
  .header-actions .nav-cta {
    min-height: 38px;
    padding: 0 15px;
    font-size: 14px;
  }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    min-width: 42px;
    min-height: 42px;
    align-items: center;
  }
  .top-note {
    display: none;
  }
  .sidebar {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  :root {
    --section-space: 48px;
  }
  .site-header,
  .header-inner {
    min-height: 60px;
  }
  .site-topline {
    display: none;
  }
  .header-inner {
    gap: 12px;
  }
  .brand-text {
    font-size: 16px;
    letter-spacing: 0.2px;
  }
  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 16px;
    border-radius: 10px;
  }
  .header-actions .nav-cta {
    display: none;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-hero {
    padding: 42px 0 40px;
  }
  .breadcrumb {
    margin-bottom: 16px;
  }
  .hero-title {
    font-size: 29px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .step-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .step-strip {
    padding-top: 24px;
  }
  .help-main {
    padding: 14px 0 32px;
  }
  .guide-panel {
    padding: 20px 20px;
  }
  .panel-sec-title {
    font-size: 21px;
  }
  .guide-panel + .guide-panel {
    margin-top: 16px;
  }
  .sidebar {
    display: flex;
    flex-direction: column;
  }
  .flow-list li {
    gap: 13px;
  }
  .flow-no {
    flex-basis: 32px;
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  .return-panel {
    padding: 32px 22px;
  }
  .cta-list {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
    padding-top: 40px;
  }
  .footer-status-block {
    height: auto;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: flex-start;
    text-align: left;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .rel-card {
    flex-direction: column;
  }
  .rel-card .rel-img {
    width: 100%;
    height: 150px;
  }
  .rel-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

/* roulang page: category3 */
:root {
  --bg: #F4F7FC;
  --surface: #ffffff;
  --surface-blue: #EAF1FA;
  --text: #1E2A3A;
  --muted: #51627A;
  --line: #DCE5F0;
  --primary: #114FA8;
  --primary-deep: #0D3D80;
  --accent: #25D3EE;
  --accent-dark: #16B7D1;
  --navy: #081120;
  --navy-soft: #0A1B38;
  --success: #20B486;
  --warning: #E7A23A;
  --danger: #D95757;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 40, 75, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 40, 75, 0.07);
  --shadow-lg: 0 22px 54px rgba(15, 40, 75, 0.10);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-deep);
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow {
  max-width: 960px;
}

/* Header */
.site-header {
  background: var(--navy);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--accent), #7B9CFF 55%, transparent) 1;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  background: linear-gradient(135deg, var(--accent), #7B9CFF);
  color: #06243A;
  font-weight: 800;
  font-size: 17px;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
  box-shadow: 0 0 18px rgba(37, 211, 238, 0.25);
}
.brand-text {
  color: #E9F2FF;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.main-nav ul {
  display: flex;
  gap: 6px;
  align-items: center;
}
.main-nav a {
  display: block;
  color: #B7CBE8;
  font-size: 15px;
  padding: 9px 15px;
  border-radius: 8px;
  position: relative;
  font-weight: 500;
  white-space: nowrap;
}
.main-nav a:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
}
.main-nav a.active {
  color: #fff;
  font-weight: 600;
  background: rgba(37, 211, 238, 0.10);
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 18px;
  background: var(--accent);
  color: #06243A;
  font-weight: 700;
  font-size: 14px;
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(37, 211, 238, 0.18);
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.nav-cta:hover {
  background: #67E8FF;
  color: #06243A;
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(37, 211, 238, 0.3);
}
.nav-cta:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px 9px;
  background: transparent;
  border: 0;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: #E9F2FF;
  border-radius: 4px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* universal section */
.section {
  padding: 88px 0;
}
.section.soft {
  background: #EAF3FD;
}
.section-light {
  background: #f9fcff;
}
.section-head {
  max-width: 760px;
  margin-bottom: 38px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 14px;
  background: rgba(17, 79, 168, 0.08);
  padding: 5px 14px;
  border-radius: 999px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.3;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text);
}
.section-head p {
  color: var(--muted);
  margin-top: 16px;
  font-size: 16px;
}

/* hero */
.hero {
  background: linear-gradient(135deg, #e6eefc, #f4f8ff 42%, #eaf4fb);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(17, 79, 168, 0.10) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(90deg, #fff, transparent 70%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  position: relative;
  padding-top: 64px;
  padding-bottom: 84px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}
.hero-badge i {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(32, 180, 134, 0.6);
}
.hero h1 {
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 30px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--muted);
  font-size: 13px;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hero-trust svg {
  color: var(--success);
}
.hero-card {
  background: var(--navy);
  border-radius: 22px;
  padding: 28px;
  border: 1px solid rgba(37, 211, 238, 0.25);
  box-shadow: 0 26px 60px rgba(8, 17, 32, 0.25);
  position: relative;
  overflow: hidden;
}
.hero-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -80px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(rgba(37, 211, 238, 0.24), transparent 70%);
}
.hero-card-title {
  color: #B7CBE8;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero-card-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 10px;
  color: #E9F2FF;
  font-size: 28px;
  font-weight: 750;
}
.hero-card-status i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 5px rgba(32, 180, 134, 0.18), 0 0 14px var(--success);
}
.hero-card-desc {
  color: #93AAC8;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.hero-card a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 20px;
  background: var(--accent);
  color: #06243A;
  font-weight: 700;
  border-radius: 8px;
  font-size: 15px;
  position: relative;
  z-index: 2;
  transition: background 0.2s, transform 0.15s;
}
.hero-card a:hover {
  background: #5FE6ff;
  transform: translateY(-1px);
  color: #06243A;
}
.entry-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  color: #6C86A8;
  font-size: 13px;
  position: relative;
  z-index: 1;
}

/* entrance */
.entrance-panel {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}
.entrance-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.9fr;
  gap: 18px;
}
.entrance-item {
  background: #F7FAFE;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
  transition: transform 0.18s ease, box-shadow 0.22s ease, border-color 0.2s;
  display: flex;
  flex-direction: column;
}
.entrance-item:hover {
  transform: translateY(-2px);
  border-color: rgba(17, 79, 168, 0.22);
  box-shadow: var(--shadow-md);
}
.entrance-item.online {
  background: linear-gradient(145deg, #F1F8FF, #FBFCFF);
  border-color: var(--primary);
}
.entrance-item h3 {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.entrance-item .ico {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: rgba(17, 79, 168, 0.10);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.entrance-item p {
  color: var(--muted);
  font-size: 14px;
  flex: 1;
  margin-bottom: 18px;
}
.entrance-item .e-link {
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--primary);
}
.entrance-item .e-link:hover {
  color: var(--primary-deep);
}
.entrance-note {
  margin-top: 16px;
  background: #EFF6FF;
  border: 1px solid #D5E6F8;
  border-radius: 12px;
  padding: 14px 17px;
  font-size: 14px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
}
.entrance-note svg {
  color: var(--success);
  flex-shrink: 0;
}

/* status board */
.status-board {
  background: var(--navy);
  border-radius: 22px;
  padding: 34px;
  border: 1px solid rgba(37, 211, 238, 0.18);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  overflow: hidden;
}
.status-board::before {
  content: "";
  position: absolute;
  height: 2px;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, var(--accent), #7B9CFF, transparent);
}
.status-cell {
  padding: 10px 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}
.status-cell:first-of-type {
  border-left: 0;
}
.status-cell .label {
  color: #627EA5;
  font-size: 13px;
  margin-bottom: 10px;
}
.status-cell .value {
  color: #E9F2FF;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-cell .value small {
  font-size: 12px;
  color: #8BA5C4;
  font-weight: 400;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px rgba(32, 180, 134, 0.9);
}
.status-dot.warn {
  background: var(--warning);
  box-shadow: 0 0 10px rgba(231, 162, 58, 0.8);
}

/* announcement doc */
.notice-wrap {
  max-width: 900px;
  margin: 0 auto;
}
.notice-group {
  display: flex;
  flex-direction: column;
}
.notice-item {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 34px 30px 96px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.notice-item:hover {
  box-shadow: var(--shadow-md);
  border-color: #C4D8F0;
}
.notice-date {
  position: absolute;
  left: 26px;
  top: 30px;
  width: 50px;
  color: var(--primary);
  text-align: center;
}
.notice-date .d {
  font-size: 24px;
  font-weight: 750;
  line-height: 1;
  color: var(--primary);
}
.notice-date .m {
  font-size: 12px;
  margin-top: 4px;
  color: var(--muted);
}
.notice-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: #EAF1FA;
  color: var(--primary);
}
.badge.processing {
  background: rgba(231, 162, 58, 0.12);
  color: #B7771E;
}
.badge.done {
  background: rgba(32, 180, 134, 0.12);
  color: #178868;
}
.notice-item h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 8px;
}
.notice-item p {
  color: var(--muted);
  font-size: 15px;
}
.notice-item .notice-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-weight: 600;
  font-size: 14px;
}
.notice-meta {
  font-size: 13px;
  color: #7E8FA6;
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* guide */
.guide-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: guide;
}
.guide-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.2s ease;
}
.guide-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.guide-item .guide-num {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(150deg, var(--primary), var(--primary-deep));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 8px 16px rgba(17, 79, 168, 0.16);
}
.guide-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.guide-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* faq */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0;
  border-bottom: 0;
}
.faq-item:first-child {
  border-radius: 16px 16px 0 0;
}
.faq-item:last-child {
  border-radius: 0 0 16px 16px;
  border-bottom: 1px solid var(--line);
}
.faq-item details {
  padding: 0 28px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 40px 22px 0;
  position: relative;
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.25s ease, border-color 0.2s;
}
.faq-item details[open] summary {
  color: var(--primary);
}
.faq-item details[open] summary::after {
  transform: translateY(-35%) rotate(-135deg);
  border-color: var(--primary);
}
.faq-answer {
  padding-bottom: 24px;
  color: var(--muted);
  font-size: 15px;
  max-width: 720px;
}

/* CTA panel */
.cta-panel {
  background: var(--navy-soft);
  border-radius: 24px;
  padding: 60px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border: 1px solid rgba(37, 211, 238, 0.14);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-panel::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -120px;
  top: -120px;
  background: radial-gradient(rgba(37, 211, 238, 0.22), transparent 70%);
  pointer-events: none;
}
.cta-content h2 {
  color: #E9F2FF;
  font-size: 30px;
  font-weight: 750;
  margin-bottom: 12px;
}
.cta-content p {
  color: #93AAC8;
  max-width: 600px;
  font-size: 15px;
}
.cta-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 54px;
  padding: 0 28px;
  background: var(--accent);
  color: #06243A;
  font-size: 16px;
  font-weight: 700;
  border-radius: 10px;
  box-shadow: 0 0 34px rgba(37, 211, 238, 0.22);
  transition: transform 0.18s, box-shadow 0.2s, background 0.2s;
  position: relative;
  z-index: 2;
}
.cta-btn:hover {
  color: #06243A;
  background: #61E6FF;
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(37, 211, 238, 0.34);
}
.cta-btn:focus-visible, .button:focus-visible, .nav-cta:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* news wave */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 32px;
  align-items: center;
}
.news-visual {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}
.news-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.news-list-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 12px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow 0.2s ease, border-color 0.2s;
}
.news-list-item:hover {
  box-shadow: var(--shadow-md);
  border-color: #C5D9F0;
}
.news-list-item .tag {
  flex-shrink: 0;
  background: #EAF1FA;
  color: var(--primary);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  margin-top: 2px;
  font-weight: 500;
}
.news-list-item h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 5px;
}
.news-list-item p {
  font-size: 13px;
  color: var(--muted);
}
.news-list-item a {
  color: var(--text);
}
.news-list-item a:hover {
  color: var(--primary);
}

/* footer */
.site-footer {
  background: var(--navy);
  border-top: 2px solid rgba(37, 211, 238, 0.6);
  margin-top: 0;
}
.site-footer .container {
  padding-top: 52px;
  padding-bottom: 34px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 28px;
}
.f-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-brand p {
  color: #7089A8;
  font-size: 14px;
  margin-top: 18px;
  line-height: 1.85;
  max-width: 360px;
}
.footer-cols h4 {
  color: #E9F2FF;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-cols li {
  margin-bottom: 10px;
}
.footer-cols a {
  color: #94AAC7;
  font-size: 14px;
}
.footer-cols a:hover {
  color: var(--accent);
}
.footer-status-block {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 18px;
}
.status-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 8px;
  font-size: 14px;
}
.dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(32, 180, 134, 0.9);
}
.footer-status-block p {
  color: #7089A8;
  font-size: 13px;
  line-height: 1.8;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: #5E7898;
  font-size: 13px;
}

/* buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.15s ease, background 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.button.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(17, 79, 168, 0.18);
}
.button.primary:hover {
  background: var(--primary-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(17, 79, 168, 0.22);
}
.button.secondary {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid #C9D9EA;
}
.button.secondary:hover {
  border-color: var(--primary);
  background: #F3F8FF;
  color: var(--primary);
  transform: translateY(-2px);
}
.button.ghost-nav {
  background: transparent;
  color: #C9DCF5;
  border: 1px solid rgba(201, 220, 245, 0.3);
}
.button.ghost-nav:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(37, 211, 238, 0.08);
}

/* responsive */
@media (max-width: 1024px) {
  .section {
    padding: 64px 0;
  }
  .hero .container {
    gap: 32px;
    grid-template-columns: 1fr 0.8fr;
  }
  .entrance-grid {
    grid-template-columns: 1fr 1fr;
  }
  .entrance-item:first-child {
    grid-column: span 2;
  }
  .status-board {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px 0;
  }
  .status-cell {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 14px 10px;
  }
  .status-cell:nth-child(1), .status-cell:nth-child(2) {
    border-top: 0;
  }
  .status-cell:nth-child(even) {
    border-left: 1px solid rgba(255, 255, 255, 0.08);
  }
  .guide-list {
    grid-template-columns: 1fr 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .header-inner {
    min-height: 60px;
  }
  .main-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 12px 16px 22px;
    display: none;
    border-top: 1px solid rgba(37, 211, 238, 0.35);
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav a {
    padding: 13px 16px;
    border-radius: 10px;
  }
  body.nav-open .main-nav {
    display: block;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-actions .nav-cta {
    display: none;
  }
  .hero .container {
    grid-template-columns: 1fr;
    padding-top: 48px;
    padding-bottom: 56px;
  }
  .hero-card {
    margin-top: 8px;
  }
  .section {
    padding: 52px 0;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .entrance-grid {
    grid-template-columns: 1fr;
  }
  .entrance-item:first-child {
    grid-column: auto;
  }
  .cta-panel {
    flex-direction: column;
    text-align: center;
    padding: 44px 24px;
  }
  .cta-content p {
    margin: 0 auto;
  }
  .status-board {
    grid-template-columns: 1fr;
  }
  .status-cell {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 0 !important;
  }
  .status-cell:first-child {
    border-top: 0;
  }
  .notice-item {
    padding: 24px 20px 20px;
  }
  .notice-date {
    position: static;
    display: inline-flex;
    gap: 6px;
    align-items: baseline;
    margin-bottom: 10px;
    width: auto;
  }
  .notice-date .d {
    font-size: 18px;
  }
  .notice-date .m {
    margin-top: 0;
  }
  .guide-list {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
  }
}
@media (max-width: 520px) {
  .section-head h2 {
    font-size: 25px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero-actions .button {
    width: 100%;
  }
  .status-cell .value {
    font-size: 18px;
  }
  .faq-item details {
    padding: 0 18px;
  }
  .faq-item summary {
    padding: 18px 34px 18px 0;
    font-size: 16px;
  }
  .notice-item {
    padding: 18px;
  }
  .cta-panel {
    padding: 36px 22px;
  }
  .cta-content h2 {
    font-size: 24px;
  }
  .cta-btn {
    width: 100%;
  }
}