/* roulang page: index */
:root{
  --primary:#1d5f9f;
  --primary-dark:#0c3a5f;
  --primary-deep:#0d3550;
  --accent:#d8b25c;
  --accent-deep:#9d6a2f;
  --bg:#f7f9fc;
  --card:#fff;
  --text:#182a38;
  --text-muted:#51697e;
  --border:#e1e9f0;
  --border-soft:#e9f0f6;
  --shadow-1:0 1px 2px rgba(15,43,74,.05);
  --shadow-2:0 14px 30px -10px rgba(15,43,74,.14);
  --radius:12px;
  --container-width:1200px;
  --header-height:72px;
  --transition:.25s ease;
  --focus-ring:0 0 0 2px #fff,0 0 0 4px rgba(24,90,178,.45);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  min-height:100vh;
  padding-top:var(--header-height);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,textarea,select{font:inherit;color:inherit}
button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px}
ul,ol{list-style:none}
.container{width:min(100% - 48px,var(--container-width));margin-inline:auto}
.section{padding:84px 0}
.section-head{max-width:760px;margin-bottom:46px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.22em;
  color:#32688f;text-transform:uppercase;margin-bottom:12px;
}
.kicker::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px}
h1,h2,h3,h4,h5{line-height:1.25;font-weight:700;color:#14273a;}
h1{font-size:clamp(2rem,3.4rem,3.4rem);letter-spacing:-.5px}
h2{font-size:clamp(1.6rem,2.1rem,2.1rem);letter-spacing:-.4px}
h3{font-size:1.15rem}
p{max-width:65ch}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid transparent;border-radius:9px;
  padding:12px 24px;min-height:46px;
  font-weight:600;font-size:16px;line-height:1;
  cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  text-align:center;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(29,95,159,.22)}
.btn-primary:hover{background:var(--primary-deep);border-color:rgba(255,255,255,.22);box-shadow:0 10px 22px -8px rgba(13,53,80,.3)}
.btn-secondary{background:#fff;border-color:#d4e2ee;color:var(--primary)}
.btn-secondary:hover{background:#f0f5fa;border-color:#bcd3e5}
.text-link{color:var(--primary);font-weight:500;transition:color .2s}
.text-link:hover{color:var(--primary-deep);text-decoration:underline}
:focus-visible{outline:2px solid #185ab2;outline-offset:2px}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--border-soft);
  height:var(--header-height);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);gap:20px;}
.brand{display:flex;align-items:center;gap:11px;min-width:0;border-radius:8px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:grid;place-items:center;color:#fff;
  box-shadow:0 4px 10px rgba(29,95,159,.25);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:20px;font-weight:800;letter-spacing:-.2px;color:#123456;white-space:nowrap}
.brand-name b{color:var(--primary)}

.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:8px;
  font-size:15px;font-weight:500;color:#263a55;
  transition:background .2s,color .2s;
  position:relative;
}
.nav-link:hover{background:#eef4fa;color:var(--primary-deep)}
.nav-link.is-active{color:#0f3b60;font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;
}

.nav-tools{display:flex;align-items:center;gap:16px;flex-shrink:0}
.mega-trigger{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:7px;min-height:42px;
  padding:0 14px;border:none;background:transparent;color:var(--text);
  font-size:15px;font-weight:500;border-radius:8px;cursor:pointer;
  transition:background .2s;
}
.mega-btn:hover{background:#eef4fa}
.mega-btn svg{width:16px;height:16px;opacity:.7}
.mega-trigger:hover .mega-list{display:grid;opacity:1;visibility:visible}
.mega-trigger:focus-within .mega-list{display:grid;opacity:1;visibility:visible}
.mega-list{
  position:absolute;top:calc(100% + 8px);right:0;
  width:500px;padding:18px;
  display:none;grid-template-columns:repeat(3,1fr);gap:14px;
  background:#fff;border:1px solid var(--border-soft);
  border-radius:14px;box-shadow:0 16px 42px -10px rgba(15,43,74,.15);
  opacity:0;visibility:hidden;transition:.2s;
  z-index:140;
}
.mega-card{
  display:flex;flex-direction:column;gap:8px;
  padding:16px 14px;background:#f7faff;border:1px solid var(--border-soft);
  border-radius:10px;transition:.2s;
}
.mega-card:hover{background:#fff;box-shadow:var(--shadow-1);border-color:#c9daea;transform:translateY(-2px)}
.mega-card img{border-radius:6px;height:76px;width:100%;object-fit:cover}
.mega-card strong{font-size:15px}
.mega-card span{font-size:13px;color:var(--text-muted)}
.burger{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border:0;background:none;border-radius:8px;cursor:pointer;
}
.burger span{display:block;width:22px;height:2px;background:#263a55;border-radius:2px;transition:.3s}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{
  display:none;position:absolute;top:var(--header-height);left:0;right:0;z-index:119;
  background:#fff;border-bottom:1px solid var(--border);
  padding:10px 20px 16px;flex-direction:column;gap:4px;
}
.mobile-nav.is-open{display:flex}
.mobile-nav .mobile-list{margin-bottom:4px}
.mobile-nav a{
  display:flex;align-items:center;min-height:46px;padding:0 8px;
  border-radius:8px;font-size:16px;font-weight:500;color:#263a55;
}
.mobile-nav a:hover{background:#f0f5fa}
.mobile-nav a.is-active{color:var(--primary);font-weight:700}

/* Hero */
.hero{
  position:relative;
  min-height:calc(100vh - var(--header-height));
  display:flex;align-items:center;
  overflow:hidden;
  padding:72px 0;
  background:
    radial-gradient(circle at 90% 0%,rgba(216,178,92,.08),transparent 30%),
    radial-gradient(circle at 8% 88%,rgba(29,95,159,.1),transparent 32%),
    #fff;
}
.hero::before{
  content:"";position:absolute;right:-120px;top:60px;width:420px;height:420px;
  border:1px solid #dce7f1;border-radius:50%;
}
.hero::after{
  content:"";position:absolute;right:40px;top:180px;width:220px;height:220px;
  border:22px solid #eef5fb;border-radius:50%;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center;
}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  background:#f0f6fd;border:1px solid #d8e5f2;color:#32688f;
  padding:6px 14px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero-copy h1{margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--text-muted);line-height:1.9;margin-bottom:32px;max-width:50ch}
.hero-btns{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid #dee9f2;
  color:var(--text-muted);font-size:14px;
  transition:.2s;
}
.chip:hover{color:var(--primary);border-color:#bcd3e5;background:#f0f6fd}
.hero-visual{position:relative}
.hero-panel{
  position:relative;border-radius:20px;background:#fff;
  box-shadow:var(--shadow-2);
}
.panel-media{
  aspect-ratio:16/11;border-radius:20px 20px 0 0;overflow:hidden;
  background:#d8e2ec url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.panel-body{padding:24px}
.panel-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.tag-soft{padding:4px 10px;background:#f0f5fa;color:var(--primary-dark);border-radius:6px;font-size:13px}
.panel-body h4{color:#182a38}
.hero-float{
  position:absolute;background:#fff;border:1px solid var(--border-soft);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);
  font-size:14px;color:#263a55;
  display:flex;align-items:center;gap:10px;
  max-width:230px;
}
.float-a{top:18px;left:-30px}
.float-b{bottom:-24px;right:-16px}
.float-dot{
  width:34px;height:34px;border-radius:8px;background:#eef4fb;color:var(--primary);
  display:grid;place-items:center;flex-shrink:0;
}
.hero-float strong{font-weight:700}

/* trust strip */
.trust-strip{border-block:1px solid #e8eff6;background:#fbfcfe}
.trust-list{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px;padding:20px 0;
}
.trust-item{display:flex;align-items:center;gap:12px}
.trust-icon{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,#f0f6fb,#e7f0f9);color:var(--primary);
  display:grid;place-items:center;flex-shrink:0;
}
.trust-item strong{font-size:15px}
.trust-item span{font-size:13px;color:var(--text-muted);display:block;line-height:1.4}

/* directory */
.directory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.dir-card{
  position:relative;background:var(--card);
  border:1px solid var(--border-soft);border-radius:14px;
  padding:32px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;min-height:210px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
  overflow:hidden;
}
.dir-card::before{
  content:"";position:absolute;top:-30%;right:-10%;
  width:160px;height:160px;border-radius:32px;
  background:radial-gradient(circle,#eef4fb,transparent 68%);
}
.dir-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#ccdcec}
.dir-card .dir-number{
  font-size:44px;font-weight:800;letter-spacing:-2px;
  color:transparent;-webkit-text-stroke:1.4px #accae2;
  margin-bottom:16px;line-height:1;
}
.dir-card h3{margin-bottom:8px}
.dir-card p{color:var(--text-muted);margin-bottom:22px;font-size:15px}
.dir-card .go{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;
  color:var(--primary);font-weight:600;font-size:15px;
}
.dir-card:hover .go{gap:12px}
.go svg{width:16px;height:16px;transition:transform .25s}
.dir-card:hover .go svg{transform:translateX(3px)}

/* feature */
.feature-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:36px;align-items:stretch}
.feature-media{
  border-radius:16px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-2);min-height:360px;
}
.feature-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.feature-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,27,45,.55),transparent 70%)
}
.media-caption{
  position:absolute;left:20px;right:20px;bottom:18px;color:#fff;z-index:2;
  font-size:18px;font-weight:700;text-shadow:0 2px 6px rgba(0,0,0,.25);
}
.feature-list{display:flex;flex-direction:column;gap:14px}
.feature-item{
  background:#fff;border:1px solid var(--border-soft);border-radius:14px;
  padding:24px;display:grid;grid-template-columns:auto 1fr auto;
  gap:18px;align-items:start;transition:.25s;
}
.feature-item:hover{box-shadow:var(--shadow-1);border-color:#b9d1e6;transform:translateY(-2px)}
.item-no{width:42px;height:42px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;flex-shrink:0}
.feature-item h3{font-size:1.15rem;margin-bottom:5px}
.feature-item p{font-size:15px;color:var(--text-muted)}
.item-link{
  display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:#eef4fa;color:var(--primary);transition:.2s;
}
.item-link:hover{background:var(--primary);color:#fff}
.item-link svg{width:16px;height:16px}
.bookmark{
  background:rgba(216,178,92,.12);color:var(--accent-deep);
}
.bookmark svg{fill:none;stroke:currentColor;stroke-width:2}

.collect-cta{
  position:relative;border-radius:22px;overflow:hidden;
  background:linear-gradient(120deg,#123a5f 0%,#1d5f9f 58%,#2e76b1 100%);
  padding:76px 0;
}
.collect-cta::before{
  content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 60%);
}
.collect-cta::after{
  content:"";position:absolute;left:-60px;bottom:-140px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(216,178,92,.2),transparent 60%);
}
.cta-box{position:relative;z-index:2;color:#fff}
.cta-row{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.cta-row .kicker{color:#a6c9eb}
.cta-row h2{color:#fff;font-size:clamp(1.7rem,2.2rem,2.2rem);margin-bottom:18px}
.cta-row .lead{color:#d2e6f7;margin-bottom:24px}
.cta-note{font-size:13px;color:#a9cdea}
.form-card{
  background:#fff;border-radius:16px;padding:28px;
  box-shadow:0 18px 36px -14px rgba(6,26,48,.32);
}
.form-grid{display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field input,.field textarea{
  border:1px solid #d3e1ea;background:#fff;border-radius:8px;
  padding:11px 14px;font-size:15px;transition:.2s;color:var(--text);
}
.field textarea{min-height:88px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#93a7b9}
.field input:focus,.field textarea:focus{border-color:#6f9fc9;box-shadow:0 0 0 3px rgba(29,95,159,.14)}
.form-card .btn{width:100%;margin-top:12px}
.form-note{font-size:13px;color:#8d9aa8;margin-top:12px;line-height:1.6;text-align:center}

/* resource brief */
.info-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:start}
.info-copy h2{margin-bottom:20px}
.info-copy p{color:var(--text-muted);line-height:2}
.info-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.info-li{
  background:#fff;border:1px solid var(--border-soft);border-radius:12px;
  padding:18px 16px;transition:.2s;
}
.info-li:hover{border-color:#bdd3e6;transform:translateY(-2px);box-shadow:var(--shadow-1)}
.info-li svg{width:26px;height:26px;margin-bottom:8px;color:var(--primary)}
.info-li strong{font-size:15px;display:block;margin-bottom:4px}
.info-li span{font-size:13px;color:var(--text-muted);line-height:1.5}

/* latest news */
.latest-band{background:#eef3f9;border-block:1px solid var(--border-soft);padding:84px 0}
.latest-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:36px;flex-wrap:wrap}
.latest-head h3{font-size:1.85rem}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  background:#fff;border:1px solid var(--border-soft);border-radius:14px;
  padding:26px;display:flex;flex-direction:column;
  transition:.25s;box-shadow:var(--shadow-1);
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#ccdcea}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:8px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  background:#f0f5fa;color:var(--primary-dark);font-size:13px;font-weight:600;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.news-time{color:var(--text-muted);font-size:13px}
.news-card h4{font-size:17px;margin-bottom:8px}
.news-card h4 a{transition:color .2s;color:var(--text)}
.news-card h4 a:hover{color:var(--primary)}
.news-excerpt{color:var(--text-muted);font-size:14px;line-height:1.75;flex:1;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-go{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;
  color:var(--primary);margin-top:4px;font-size:14px;
}
.news-go svg{width:15px;height:15px;transition:transform .2s}
.news-card:hover .news-go svg{transform:translateX(3px)}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed #b9cfe2;
  border-radius:16px;padding:48px 24px;text-align:center;color:var(--text-muted);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.empty-state svg{width:40px;height:40px;color:#8fb5d4}
.btn-row{display:flex;justify-content:center;margin-top:40px}

/* faq */
.faq-list{max-width:900px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--border-soft);
  border-radius:14px;transition:.25s;
}
.faq-item:hover{border-color:#c9dce9}
.faq-item[open]{background:#f4f8fe;border-color:#b8d3e8}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:22px 26px;font-weight:700;font-size:17px;
  flex-wrap:nowrap;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-q{flex:1}
.faq-icon{
  width:30px;height:30px;border-radius:50%;flex-shrink:0;
  background:#edf3f9;color:var(--primary);display:grid;place-items:center;
  transition:.3s;
}
.faq-icon svg{width:15px;height:15px;transition:transform .3s}
.faq-item[open] .faq-icon{background:var(--primary);color:#fff}
.faq-item[open] .faq-icon svg{transform:rotate(45deg)}
.faq-answer{padding:0 26px 22px 70px;color:var(--text-muted);line-height:1.9;font-size:15px}

/* favorite band */
.favorite-band{
  background:linear-gradient(180deg,#fff,#f3f7fb);border-top:1px solid var(--border-soft);
  padding:80px 0 100px;
}
.favorite-box{
  background:#fff;border:1px solid var(--border-soft);border-radius:24px;
  box-shadow:var(--shadow-2);
  padding:48px 40px;display:grid;grid-template-columns:1fr auto;gap:44px;
  align-items:center;
}
.favorite-box h2{font-size:1.7rem;margin-bottom:12px}
.favorite-box p{color:var(--text-muted);margin-bottom:24px}
.fav-btn-group{display:flex;flex-wrap:wrap;gap:12px}
.btn-fav{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border-soft);border-radius:10px;
  min-height:44px;padding:0 17px;font-weight:600;cursor:pointer;transition:.2s;
  color:var(--text);
}
.btn-fav:hover{border-color:#8eb4d4;background:#f0f6fb;transform:translateY(-2px)}
.btn-fav svg{width:16px;height:16px;color:var(--primary)}
.qr-group{display:flex;align-items:center;gap:18px}
.qr-box{
  width:96px;height:96px;padding:8px;background:#fff;border:1px solid #d8e2ec;
  border-radius:10px;display:flex;justify-content:center;
  align-items:center;
}
.qr-box svg{width:100%;height:100%}
.share-notes{color:var(--text-muted);font-size:13px;text-align:center;line-height:1.5}

/* footer */
.site-footer{background:#0e2c44;color:#b9cde0;padding:72px 0 0}
.footer-top{display:grid;grid-template-columns:1.1fr 2fr;gap:64px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand{color:#fff;margin-bottom:18px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{background:#1d5f9f}
.footer-brand p{font-size:14px;line-height:1.9;color:#9db6c9}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-tag{
  padding:4px 12px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);border-radius:999px;
  font-size:13px;color:#d7e6f2;
}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent);border-radius:2px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:#a9bfd2;transition:.2s;display:inline-flex;align-items:center;gap:7px}
.footer-col ul a:hover{color:#fff;transform:translateX(3px)}
.footer-col ul a::before{content:"›";color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;color:#77d;font-size:13px;color:#8ea8ba;
}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero{min-height:auto}
  .hero-visual{max-width:600px}
  .float-a{left:-10px}
  .feature-grid{grid-template-columns:1fr}
  .cta-row{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .latest-head{flex-direction:column;align-items:flex-start}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .favorite-box{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{padding-top:63px}
  .site-header{height:63px}
  :root{--header-height:63px}
  .nav-wrap{min-height:63px}
  .main-nav{display:none}
  .mega-trigger{display:none}
  .burger{display:flex}
  .section{padding:58px 0}
  .container{width:min(100% - 32px,1200px)}
  .hero{padding:44px 0 70px}
  .hero-grid{gap:34px}
  .hero-copy h1{letter-spacing:-.3px}
  .hero-btns .btn{width:100%}
  .trust-list{grid-template-columns:repeat(2,1fr);gap:12px}
  .directory-grid{grid-template-columns:1fr}
  .feature-item{grid-template-columns:1fr;padding:18px}
  .news-grid{grid-template-columns:1fr}
  .cta-box{padding:38px 22px}
  .info-list{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .fav-btn-group{width:100%}
  .favorite-box{padding:30px 18px}
  .footer-links{grid-template-columns:1fr;gap:0}
  .footer-col{margin-bottom:22px}
  .qr-group{flex-wrap:wrap}
  .footer-bottom{flex-direction:column;text-align:center}
  .float-a{left:0}
}
@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
 :hover{transform:none!important}
}
@media print{
 body{padding-top:0}
 .site-header,.trust-strip,.cta-box,.favorite-band,.site-footer,.btn-row{display:none!important}
 .section{padding:24px 0}
}

/* roulang page: article */
:root{
  --primary:#1D5F9F;
  --primary-deep:#0C3A5F;
  --primary-darker:#0D3550;
  --gold:#D8B25C;
  --gold-deep:#9D6A2F;
  --bg:#F7F9FC;
  --surface:#ffffff;
  --text:#182A38;
  --text-light:#51697E;
  --border:#E1E9F0;
  --line-soft:#E9F0F6;
  --radius-lg:14px;
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(15,43,74,.05);
  --shadow-md:0 14px 30px -12px rgba(15,43,74,.14);
  --shadow-lg:0 24px 60px -24px rgba(12,58,95,.3);
  --container:1200px;
  --font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:none;background:none}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%}
.skip-link{position:absolute;left:-999px;top:10px;background:var(--primary);color:#fff;padding:10px 18px;border-radius:8px;z-index:10000}
.skip-link:focus{left:16px}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 24px;border-radius:var(--radius-sm);
  font-weight:700;font-size:15px;line-height:1.4;letter-spacing:.2px;
  transition:var(--transition);border:1px solid transparent;text-align:center;
}
.btn-primary{
  background:var(--primary-darker);color:#fff;border-color:#3B77AD;
}
.btn-primary:hover{background:#0B2C46;box-shadow:0 10px 22px -10px rgba(13,53,80,.6);transform:translateY(-2px)}
.btn-primary:focus-visible{outline:3px solid rgba(24,90,178,.4);outline-offset:2px}
.btn-secondary{
  background:#fff;color:var(--primary);border-color:#D4E2EE;
}
.btn-secondary:hover{background:#F0F5FA;border-color:#BBD1E4;transform:translateY(-1px)}
.btn-secondary:focus-visible{outline:3px solid rgba(24,90,178,.3);outline-offset:2px}
.btn-block{width:100%}

.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:#32688F;font-weight:700;
  text-transform:uppercase;margin-bottom:14px;
}
.section-kicker::before{content:"";width:26px;height:2px;background:var(--gold);display:inline-block;border-radius:2px}
.section-title{font-size:2rem;font-weight:800;color:var(--text);line-height:1.35;letter-spacing:-.2px}
@media(min-width:768px){.section-title{font-size:2.2rem}}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border:1px solid var(--border);
  background:#fff;color:var(--text-light);
  border-radius:50px;font-size:13px;font-weight:500;line-height:1.6;
  word-break:keep-all;
}

/* ===== header & nav ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
}
.site-header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:72px;max-width:1320px;margin:0 auto;padding:0 24px;width:100%;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;flex-shrink:0;
  transition:opacity .2s;
}
.brand:hover{opacity:.86}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -6px rgba(29,95,159,.5);
}
.brand-mark svg{width:21px;height:21px}
.brand-name{font-size:1.05rem;font-weight:600;letter-spacing:.3px;color:var(--text);white-space:nowrap}
.brand-name b{color:var(--primary);font-weight:800}
.site-actions{
  display:flex;align-items:center;gap:8px;
}
.mega-open-btn{
  display:none;align-items:center;gap:6px;
  min-height:42px;padding:0 14px;
  background:#F1F5FA;color:var(--text);
  border-radius:50px;font-size:14px;font-weight:700;
  border:1px solid var(--line-soft);
  transition:var(--transition);
}
@media(min-width:992px){.mega-open-btn{display:inline-flex}}
.mega-open-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.mega-open-btn svg{width:15px;height:15px;transition:transform .3s}
.mega-open-btn.is-opened svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-top:1px solid var(--line-soft);
  box-shadow:var(--shadow-md);
  display:none;
}
.mega-panel.is-open{display:block;animation:panelDrop .25s ease}
@keyframes panelDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mega-panel-grid{
  max-width:1320px;margin:0 auto;padding:28px 24px;
  display:grid;grid-template-columns:1fr 1.2fr;gap:28px;
}
.mega-cards{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
}
.mega-mini{
  background:var(--bg);border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:16px;
  transition:var(--transition);
}
.mega-mini:hover{background:#fff;border-color:#CFDEEE;box-shadow:var(--shadow-md);transform:translateY(-2px)}
.mega-mini strong{display:block;color:var(--text);font-size:15px;font-weight:700;margin-bottom:4px}
.mega-mini span{font-size:13px;color:var(--text-light);line-height:1.65;display:block}
.main-nav{
  background:#fff;border-top:1px solid var(--line-soft);
}
.main-nav-links{
  max-width:1320px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:12px;
  min-height:52px;overflow-x:auto;scrollbar-width:none;
}
.main-nav-links::-webkit-scrollbar{display:none}
.nav-link{
  min-height:44px;display:inline-flex;align-items:center;gap:5px;
  padding:0 8px;margin-right:10px;
  font-size:15px;font-weight:700;color:#263A55;white-space:nowrap;
  border-bottom:2px solid transparent;transition:color .2s,border-color .2s;
}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{
  color:var(--primary-deep);border-bottom-color:var(--primary);
}
.nav-cta{
  margin-left:auto;display:inline-flex;align-items:center;
  color:var(--text-light);font-size:14px;font-weight:600;gap:5px;
  min-height:44px;white-space:nowrap;
}
.nav-cta:hover{color:var(--primary)}
@media(min-width:768px){
  .site-header-inner{height:72px}
  .main-nav-links{min-height:54px}
}
.nav-toggle{
  display:flex;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;
  border:1px solid var(--border);background:#fff;color:var(--text);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.icon-menu{display:flex;flex-direction:column;gap:5px}
.icon-menu span{display:block;width:20px;height:2px;border-radius:2px;background:currentColor;transition:var(--transition)}
.nav-toggle.is-open .icon-menu span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open .icon-menu span:nth-child(2){opacity:0}
.nav-toggle.is-open .icon-menu span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:767px){
  #mainNav{display:none}
  #mainNav.is-open{display:block;border-top:1px solid var(--line-soft)}
  .main-nav-links{flex-direction:column;align-items:flex-start;padding:10px 24px 18px;gap:2px}
  .nav-link{width:100%;border-bottom:none;border-radius:8px;padding:8px 12px;margin-right:0}
  .nav-link.is-active{background:#EAF1F8}
  .nav-cta{margin-left:0;width:100%;padding:8px 12px}
  .mega-panel-grid{grid-template-columns:1fr}
}
@media(min-width:768px){
  .nav-toggle{display:none}
  .main-nav{display:block !important}
}

/* ===== page hero ===== */
.page-hero{
  position:relative;padding:44px 0 44px;
  background:linear-gradient(180deg,#EDF4FA 0%,var(--bg) 100%);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-light);
  margin-bottom:20px;
}
.crumb a{color:#32688F;font-weight:500;transition:color .2s}
.crumb a:hover{color:var(--primary);text-decoration:underline}
.crumb .crumb-chevron{display:inline-flex;color:#9EB5CB;font-weight:300}
.crumb .current{color:var(--text-light);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.category-box{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:16px;
}
.article-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(29,95,159,.1);color:var(--primary-deep);
  border:1px solid rgba(29,95,159,.2);
  border-radius:50px;font-size:13px;font-weight:700;
  padding:4px 13px;letter-spacing:.2px;transition:var(--transition);
}
.article-cat:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.page-hero h1{
  font-size:2.05rem;font-weight:800;color:var(--text);
  line-height:1.34;letter-spacing:-.3px;max-width:900px;
}
@media(min-width:768px){.page-hero h1{font-size:2.45rem}}
.article-desc{
  margin-top:14px;color:var(--text-light);
  font-size:16px;max-width:760px;line-height:1.9;
}
.article-meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft);
  color:var(--text-light);font-size:14px;
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{width:16px;height:16px;color:var(--gold-deep)}
.meta-item strong{color:var(--text);font-weight:700}
.back-home-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:14px;

}
.back-home-link:hover{text-decoration:underline}
.back-home-link svg{width:16px;height:16px}

/* ===== article layout ===== */
.article-page{padding:48px 0 0}
.article-layout{
  display:grid;grid-template-columns:1fr;gap:36px;
}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 340px;gap:52px}
}
.article-main{min-width:0}
.article-body-wrap{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:18px;padding:32px 28px;
  box-shadow:0 4px 16px -12px rgba(26,54,86,.08);
}
@media(min-width:768px){.article-body-wrap{padding:52px 56px}}
.article-lead{
  font-size:17px;line-height:2;
  color:#30465C;border-left:4px solid var(--primary);
  background:#F5F9FF;border-radius:0 12px 12px 0;
  padding:18px 22px;margin-bottom:28px;
}
.article-content{
  font-size:16.5px;line-height:2;color:#21394E;
}
.article-content > p{margin-bottom:24px}
.article-content h2,.article-content h3{color:var(--text);line-height:1.5;font-weight:800;margin:32px 0 16px}
.article-content h2{font-size:1.5rem;border-bottom:1px solid var(--line-soft);padding-bottom:10px}
.article-content h3{font-size:1.2rem}
.article-content ul,.article-content ol{
  padding-left:20px;margin:0 0 24px;
}
.article-content ul li{list-style:disc;margin-bottom:8px}
.article-content ol li{list-style:decimal;margin-bottom:8px}
.article-content a{color:var(--primary);font-weight:500;text-decoration:underline;text-underline-offset:4px}
.article-content a:hover{color:var(--primary-deep)}
.article-content img{border-radius:var(--radius);margin:10px 0 20px}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;
  background:#F5F9FF;border-left:3px solid var(--primary);
  color:#465F75;border-radius:0 10px 10px 0;
  font-size:16px;line-height:2;
}
.article-content code{background:#EEF3F8;padding:2px 8px;border-radius:5px;font-size:14px}

.content-figure{
  margin:28px 0 24px;border-radius:18px;overflow:hidden;
  border:1px solid var(--line-soft);
}
.content-figure img{width:100%;object-fit:cover;border-radius:0}
.content-figure figcaption{
  position:absolute;padding:0;
}
.content-note{
  margin:28px 0;border-radius:16px;padding:24px 28px;
  background:#FBF6EC;border:1px solid #EFE2C6;
  color:#6A562B;font-size:16px;
}
.content-note:hover{box-shadow:var(--shadow-sm)}
.article-sidebar{
  display:flex;flex-direction:column;gap:18px;
}
.side-card{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:1rem;font-weight:800;color:var(--text);
  display:flex;align-items:center;gap:8px;
  padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid var(--line-soft);
}
.side-card h3 svg{width:17px;height:17px;color:var(--primary)}
.ui-list li{margin-bottom:10px}
.ui-list a{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-light);font-size:15px;font-weight:500;
  transition:color .2s;
}
.ui-list a:hover{color:var(--primary)}
.ui-list a::before{content:"›";font-weight:700;font-size:18px;line-height:1;color:var(--gold-deep)}
.side-quote{
  background:var(--surface);border-radius:var(--radius-lg);
  padding:20px 22px;border:1px solid var(--line-soft);
  font-size:15px;color:var(--text-light);
  position:relative;
}
.side-quote::before{
  content:"“";position:absolute;top:4px;left:12px;
  font-size:52px;color:#D5E5F2;line-height:1;font-family:Georgia,serif;
}
.side-quote p{position:relative;z-index:1}

/* sidebar compact discover */
.discover-mini{
  display:flex;gap:12px;padding:12px 0;
  border-bottom:1px dashed var(--line-soft);
  transition:var(--transition);
}
.discover-mini:last-child{border-bottom:none;padding-bottom:0}
.discover-mini:hover{opacity:.8}
.discover-thumb{
  flex:0 0 76px;height:56px;border-radius:10px;overflow:hidden;
  background:var(--bg);
}
.discover-thumb img{width:100%;height:100%;object-fit:cover}
.discover-text strong{
  display:block;font-size:14px;color:var(--text);font-weight:700;
  margin-bottom:3px;line-height:1.55;
}
.discover-text small{
  display:block;font-size:12px;color:var(--text-light);
}

/* empty state */
.empty-content{
  text-align:center;padding:54px 18px;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:18px;
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 16px;border-radius:18px;
  background:#EEF4F9;color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-icon svg{width:28px;height:28px}
.empty-content h1{font-size:1.7rem;margin-bottom:12px;color:var(--text)}
.empty-content p{color:var(--text-light);font-size:15px;margin-bottom:22px;max-width:460px;margin-left:auto;margin-right:auto}
.not-found-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* related */
.related-section{padding:64px 0 12px}
.related-section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.related-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(2,1fr)}}
.related-card{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:16px;overflow:hidden;display:flex;flex-direction:column;
  transition:var(--transition);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(29,95,159,.24)}
.related-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg);position:relative}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.related-card:hover .related-cover img{transform:scale(1.04)}
.related-body{padding:24px 24px 22px;display:flex;flex-direction:column;flex:1}
.related-body strong{font-size:17px;line-height:1.55;font-weight:800;color:var(--text);margin:0 0 8px}
.related-body p{font-size:14px;line-height:1.85;color:var(--text-light);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:7px;
  color:var(--primary);font-weight:700;font-size:14px;
}
.related-more:hover{text-decoration:underline}
.related-link-label{
  display:inline-flex;align-self:flex-start;
  background:rgba(216,178,92,.12);
  color:var(--gold-deep);
  border:1px solid rgba(216,178,92,.35);
  padding:3px 10px;border-radius:50px;font-size:12px;font-weight:700;
  letter-spacing:.2px;margin-bottom:14px;
}

/* directory strip */
.strip-directory{
  padding:64px 0 20px;
}
.directory-panel{
  background:#EDF4FB;border:1px solid #D3E3F1;
  border-radius:18px;padding:28px;
  display:flex;flex-direction:column;gap:16px;
  align-items:flex-start;
}
@media(min-width:768px){
 .directory-panel{
   flex-direction:row;align-items:center;justify-content:space-between;
 }
}
.directory-panel h2{font-size:1.15rem;color:var(--primary-deep);display:flex;align-items:center;gap:10px;font-weight:800}
.directory-panel h2 svg{width:19px;height:19px}
.directory-panel p{font-size:15px;max-width:600px}
.directory-links{display:flex;flex-wrap:wrap;gap:10px}

/* FAQ */
.faq-section{padding:30px 0 70px}
.faq-grid{display:grid;gap:14px;margin-top:28px}
.faq-item{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius);overflow:hidden;
  transition:box-shadow .25s,border-color .25s;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open]{background:#F4F8FE;border-color:#C9DCEC;box-shadow:var(--shadow-sm)}
.faq-item[open] summary{color:var(--primary-deep)}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:#E3EEF7;color:var(--primary);display:flex;align-items:center;justify-content:center;
  position:relative;transition:transform .35s,background .25s;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  width:10px;height:1.6px;transition:transform .3s;
}
.faq-icon::after{transform:rotate(90deg)}
.faq-item[open] .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{
  padding:0 24px 22px;color:var(--text-light);
  font-size:15px;line-height:2;
}

/* favorite / share CTA */
.fav-section{
  padding:24px 0 80px;
}
.fav-box{
  background:linear-gradient(135deg,#0E3458 0%,#174A7C 100%);
  border-radius:24px;color:#fff;overflow:hidden;
  padding:42px 32px;
  position:relative;
}
.fav-box::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
@media(min-width:768px){.fav-box{padding:56px 64px;display:flex;justify-content:space-between;align-items:center;gap:34px}}
.fav-copy{max-width:620px}
.fav-copy h2{font-size:1.65rem;font-weight:800;letter-spacing:-.2px;line-height:1.5;margin-bottom:12px}
.fav-copy h2 span{color:var(--gold)}
.fav-copy p{color:#C6DCF0;font-size:15.5px;line-height:2;margin-bottom:20px}
.fav-actions{display:flex;flex-direction:column;gap:18px;position:relative;z-index:2}
.fav-share{
  display:flex;align-items:center;gap:12px;
}
.share-btn{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.12);
  color:#fff;border:1px solid rgba(255,255,255,.2);
  transition:var(--transition);
}
.share-btn:hover{background:#fff;color:var(--primary-deep);transform:translateY(-3px)}
.share-btn svg{width:19px;height:19px}
.qr-note{
  width:72px;height:72px;border-radius:12px;
  background:#fff;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.8);
}
.qr-placeholder{
  width:48px;height:48px;
  background:
    linear-gradient(135deg,#eee 25%,transparent 25%),
    linear-gradient(225deg,#eee 25%,transparent 25%),
    linear-gradient(45deg,#eee 25%,transparent 25%),
    linear-gradient(315deg,#eee 25%,#fff 25%);
  background-position:8px 0,8px 0,0 0,0 0;
  background-size:16px 16px;
  background-color:#C9DcEB;
  border-radius:5px;
}
.fav-btn-fav{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--gold);color:#182A38;
  border-radius:var(--radius-sm);height:48px;
  padding:0 22px;font-weight:800;border:1px solid #E4C982;
  transition:var(--transition);
}
.fav-btn-fav:hover{background:#F0D391;transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}

/* Pagination lower buttons */
.bottom-page-links{
  display:flex;gap:14px;flex-wrap:wrap;justify-content:center;
  padding:4px 0 62px;
}

/* footer */
.site-footer{
  background:#0E2C44;color:#D2E2F0;
  margin-top:auto;
}
.site-footer .container{max-width:1320px}
.footer-top{
  display:grid;grid-template-columns:1fr;gap:40px;
  padding:60px 0 34px;
}
@media(min-width:992px){
  .footer-top{grid-template-columns:1.4fr 2fr;gap:72px}
  .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{background:#fff;color:var(--primary-deep)}
.footer-brand p{
  font-size:14px;line-height:2;color:#A9C3DA;margin:18px 0 18px;max-width:430px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tag{
  font-size:13px;padding:4px 12px;border-radius:50px;
  border:1px solid rgba(255,255,255,.18);color:#BFD3E5;
}
.footer-links{
  display:grid;grid-template-columns:1fr;gap:26px;
}
@media(min-width:768px) and (max-width:991px){
  .footer-links{grid-template-columns:repeat(3,1fr)}
}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;letter-spacing:.2px;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:#A9C3DA;transition:color .2s,padding-left .2s;
}
.footer-col a:hover{color:#fff;padding-left:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-direction:column;gap:6px;justify-content:space-between;
  font-size:13px;color:#85A3BD;
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center}}

/* responsive fixes */
@media(max-width:767px){
  .page-hero{padding:34px 0 26px}
  .article-body-wrap{padding:26px 20px;border-radius:14px}
  .side-card{padding:18px}
  .related-card{max-width:100%}
  .fav-box{padding:30px 22px;border-radius:18px}
  .fav-copy h2{font-size:1.4rem}
  .brand-name{font-size:.95rem}
  .brand-mark{width:34px;height:34px}
  .article-meta-row{gap:8px 12px}
  .meta-item span:nth-child(2){max-width:110px;overflow:hidden;text-overflow:ellipsis}
}

/* roulang page: category1 */
:root{
  --primary: #1D5F9F;
  --primary-deep: #0C3A5F;
  --primary-ink: #0E2C44;
  --highlight: #D8B25C;
  --highlight-deep: #9D6A2F;
  --bg: #F7F9FC;
  --card: #FFFFFF;
  --text: #182A38;
  --muted: #51697E;
  --border: #E1E9F0;
  --line: #E9F0F6;
  --accent-soft: #F0F5FA;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15,43,74,.05);
  --shadow-md: 0 14px 30px -10px rgba(15,43,74,.16);
  --font-stack: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-block{padding:88px 0}
.section-head{margin-bottom:42px}
.section-head p{color:var(--muted);max-width:680px;margin-top:12px}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#32688F;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--highlight);border-radius:99px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:15px;
  line-height:1.2;
  transition:background-color .25s ease,transform .25s ease,box-shadow .25s ease,color .25s ease;
}
.btn-primary{
  background:var(--primary-deep);
  color:#fff;
  border:1px solid rgba(255,255,255,.12);
}
.btn-primary:hover{
  background:#0D3550;
  transform:translateY(-2px);
  box-shadow:0 12px 22px -12px rgba(12,58,95,.58);
}
.btn-secondary{
  background:var(--card);
  color:var(--primary);
  border:1px solid #D4E2EE;
}
.btn-secondary:hover{
  background:var(--accent-soft);
  border-color:#B9CFE3;
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--primary-deep);
  border:1px solid #dce9f3;
}
.btn-light:hover{background:#EFF5FA;color:#0D3550}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header-row{
  height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:600;
  color:var(--primary-ink);
  letter-spacing:.3px;
  white-space:nowrap;
}
.brand-mark{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  background:#EBF3FA;
  border-radius:10px;
}
.brand-mark svg{width:21px;height:21px}
.brand-name b{color:var(--primary);font-weight:800}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  padding:9px 15px;
  font-size:15px;
  font-weight:500;
  color:#263A55;
  border-radius:8px;
  transition:color .2s, background .2s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:#EEF4FA}
.nav-link.is-active{
  color:var(--primary-deep);
  background:#E8F0F8;
  font-weight:600;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--primary-ink);
}
.nav-toggle:hover{background:#EEF4FA}
.nav-toggle svg{width:22px;height:22px}
@media (max-width:900px){
  .header-row{height:64px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;
    top:64px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border-bottom:1px solid var(--border);
    padding:14px 20px 20px;
    display:none;
    box-shadow:0 18px 24px -20px rgba(15,43,74,.26);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:16px}
}
.page-hero{
  position:relative;
  padding:78px 0 84px;
  background:
    radial-gradient(circle at 8% 14%, #E7F0FA 0%, transparent 26%),
    radial-gradient(circle at 92% 24%, #F2EEE2 0%, transparent 30%),
    var(--bg);
  border-bottom:1px solid var(--border);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:64px;
  align-items:center;
}
.hero-copy{
  max-width:620px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:#32688F}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline}
.breadcrumb span{color:#A5B7C8}
.page-hero h1{
  font-size:42px;
  line-height:1.25;
  color:var(--primary-ink);
  font-weight:700;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--muted);
  max-width:560px;
  margin-bottom:28px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#E8F1F8;
  color:var(--primary-deep);
  border-radius:99px;
  padding:9px 16px;
  font-size:13px;
  font-weight:500;
  margin-bottom:22px;
}
.hero-badge svg{width:16px;height:16px}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:22px;
}
.hero-note{
  font-size:13px;
  color:#78899A;
  display:flex;
  align-items:center;
  gap:6px;
}
.hero-note svg{width:15px;height:15px}
.hero-visual{
  position:relative;
}
.hero-visual .main-frame{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  border:5px solid rgba(255,255,255,.9);
}
.hero-visual .main-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(150deg,rgba(12,58,95,.05) 0%,rgba(12,58,95,.22) 100%);
}
.hero-visual .main-frame img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.float-card{
  position:absolute;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:500;
  color:var(--primary-ink);
}
.float-card .fc-icon{
  width:32px;
  height:32px;
  background:var(--accent-soft);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
}
.float-card svg{width:17px;height:17px}
.float-card.fc-one{top:-16px;right:16px}
.float-card.fc-two{bottom:18px;left:-10px}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .page-hero{padding:52px 0 60px}
  .page-hero h1{font-size:32px}
}
@media (max-width:560px){
  .page-hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
}
.quick-ribbon{
  background:var(--card);
  border-bottom:1px solid var(--border);
}
.ribbon-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.ribbon-item{
  padding:20px 24px;
  border-left:1px solid var(--border);
  display:flex;
  gap:12px;
  align-items:center;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
}
.ribbon-item:first-child{border-left:none}
.ribbon-icon{
  width:38px;
  height:38px;
  flex:0 0 38px;
  border-radius:10px;
  background:#EEF3F9;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
}
.ribbon-icon svg{width:19px;height:19px}
@media (max-width:900px){
  .ribbon-grid{grid-template-columns:1fr 1fr}
  .ribbon-item:nth-child(3){border-left:none}
  .ribbon-item{border-top:1px solid var(--border)}
  .ribbon-item:nth-child(-n+2){border-top:none}
}
@media (max-width:560px){
  .ribbon-grid{grid-template-columns:1fr}
  .ribbon-item{border-left:none!important;border-top:1px solid var(--border)!important}
  .ribbon-item:first-child{border-top:none!important}
}
#dynamic-category{background:var(--bg)}
.filter-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:10px 0 36px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 16px;
  border-radius:99px;
  background:#fff;
  border:1px solid #D4E2EE;
  color:#51697E;
  font-size:14px;
  transition:background .2s,border .2s,color .2s;
}
.filter-chip:hover{
  border-color:var(--primary);
  color:var(--primary);
}
.filter-chip.is-active{
  background:var(--primary-deep);
  border-color:var(--primary-deep);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(12,58,95,.6);
}
.filter-chip:focus-visible{
  outline:2px solid #185AB2;
  outline-offset:2px;
}
.media-card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.media-card{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  min-height:360px;
  background:var(--primary-ink);
  border:1px solid var(--border);
  transition:transform .35s ease,box-shadow .35s ease;
}
.media-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
}
.media-card .cover-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
  opacity:.9;
}
.media-card:hover .cover-img{transform:scale(1.04)}
.media-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,16,27,0) 42%,rgba(7,16,27,.82) 100%);
}
.media-card-content{
  position:absolute;
  z-index:2;
  left:0;
  right:0;
  bottom:0;
  padding:24px 26px 26px;
  color:#fff;
}
.media-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  border-radius:99px;
  padding:6px 8px 6px 14px;
  font-size:13px;
  max-width:210px;
  margin-bottom:16px;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.media-card-top .arrow{
  width:25px;
  height:25px;
  border-radius:99px;
  background:#fff;
  color:var(--primary-deep);
  display:flex;
  align-items:center;
  justify-content:center;
}
.media-card-top svg{width:14px;height:14px}
.media-card-content h3{
  font-size:22px;
  font-weight:600;
  margin-bottom:6px;
}
.media-card-content p{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.86);
  max-width:280px;
}
@media (max-width:860px){
  .media-card-grid{grid-template-columns:1fr;gap:20px}
  .media-card{min-height:320px}
}
.split-section{
  background:var(--card);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.split-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:54px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
}
.split-media img{
  width:100%;
  aspect-ratio:1.05/1;
  object-fit:cover;
}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(130deg,rgba(12,58,95,.05),rgba(255,255,255,.05));
}
.split-content h2{
  font-size:34px;
  line-height:1.35;
  color:var(--primary-ink);
  margin-bottom:14px;
}
.split-content .lead{
  color:var(--muted);
  font-size:16px;
  line-height:1.9;
  margin-bottom:22px;
}
.feature-list{
  display:grid;
  gap:13px;
  margin-top:24px;
}
.feature-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:#F6F9FC;
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 16px;
}
.feature-list li svg{
  width:19px;
  height:19px;
  flex:0 0 19px;
  color:var(--primary);
  margin-top:4px;
}
.feature-list strong{display:block;font-size:15px;color:var(--primary-ink);margin-bottom:2px}
.feature-list p{font-size:14px;color:var(--muted);line-height:1.7}
@media (max-width:900px){
  .split-grid{grid-template-columns:1fr;gap:36px}
  .split-content h2{font-size:28px}
}
.callout-section{background:var(--bg)}
.callout-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.callout-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:28px 26px;
  display:flex;
  gap:15px;
  align-items:flex-start;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.callout-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D3E4F2}
.callout-icon{
  flex:0 0 46px;
  width:46px;
  height:46px;
  border-radius:12px;
  background:#EAF2F9;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
}
.callout-icon svg{width:22px;height:22px}
.callout-item h3{font-size:17px;font-weight:600;margin-bottom:7px;color:var(--primary-ink)}
.callout-item p{font-size:14px;color:var(--muted);line-height:1.8}
.callout-item span{display:block;font-size:13px;color:#93A5B5;margin-top:10px;font-weight:400}
@media (max-width:900px){
  .callout-grid{grid-template-columns:1fr;gap:18px}
}
.faq-section{
  background:var(--card);
  border-top:1px solid var(--border);
}
.faq-layout{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:60px;
  align-items:start;
}
.faq-intro h2{font-size:32px;color:var(--primary-ink);line-height:1.3;margin-bottom:16px}
.faq-intro p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:20px}
.faq-list{
  display:grid;
  gap:14px;
}
.faq-item{
  background:#FBFCFE;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:background .25s ease,border-color .25s ease;
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 20px;
  cursor:pointer;
  font-weight:600;
  font-size:15px;
  color:var(--text);
  min-height:56px;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item[open]{background:#F4F8FE;border-color:#C7D9EA}
.faq-item .plus{
  width:28px;
  height:28px;
  flex:0 0 28px;
  background:var(--accent-soft);
  color:var(--primary);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .plus{
  transform:rotate(45deg);
  background:var(--primary);
  color:#fff;
}
.plus svg{width:15px;height:15px}
.faq-item .faq-answer{
  padding:2px 22px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:2;
  max-width:720px;
}
@media (max-width:900px){
  .faq-layout{grid-template-columns:1fr;gap:30px}
}
.read-more-band{
  padding:22px 0;
  background:#F0F5FA;
  border-bottom:1px solid var(--border);
}
.read-more-band .container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.read-more-link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:var(--card);
  border:1px solid #D5E2EE;
  border-radius:99px;
  padding:9px 18px;
  font-size:14px;
  font-weight:500;
  color:var(--primary-deep);
  transition:border .2s,box-shadow .2s,transform .2s;
}
.read-more-link:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 8px 18px -10px rgba(29,95,159,.35);
}
.read-more-link svg{width:16px;height:16px}
.num{font-weight:700;color:var(--primary)}
.cta-section{padding:84px 0 70px}
.cta-box{
  background:
    radial-gradient(circle at 100% 20%, rgba(216,178,92,.16), transparent 38%),
    linear-gradient(135deg,#0E2C44 0%,#0C3A5F 68%);
  border-radius:24px;
  padding:54px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:50%;
  top:-90px;
  right:-50px;
}
.cta-box h2{
  color:#fff;
  font-size:30px;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-box p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  line-height:1.9;
  max-width:520px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  flex:0 0 auto;
}
.share-mini{
  display:flex;
  gap:8px;
}
.share-btn{
  width:44px;
  height:44px;
  border-radius:50%;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s,transform .2s;
}
.share-btn:hover{background:var(--highlight);color:#122B40;transform:translateY(-3px)}
.share-btn svg{width:18px;height:18px}
@media (max-width:900px){
  .cta-box{flex-direction:column;align-items:flex-start;padding:40px 30px}
  .cta-box h2{font-size:26px}
}
@media (max-width:560px){
  .cta-actions .btn{width:100%}
  .share-mini{width:100%;justify-content:center}
}
.site-footer{
  background:#0E2C44;
  color:#C6D7E8;
  padding:66px 0 28px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.1fr 1.4fr;
  gap:42px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{
  color:#fff;
  font-size:20px;
}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.1);
  color:#fff;
}
.footer-brand > p{
  color:#AEBFD0;
  font-size:14px;
  line-height:2;
  margin:18px 0 16px;
  max-width:440px;
}
.footer-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.footer-tag{
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;
  padding:4px 12px;
  border-radius:99px;
  color:#D7E3EE;
  background:rgba(255,255,255,.04);
}
.footer-links{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.footer-col h3{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:15px;
  letter-spacing:.02em;
}
.footer-col li{
  margin-bottom:9px;
}
.footer-col a{
  color:#B4C7D8;
  font-size:14px;
  transition:color .2s;
}
.footer-col a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding-top:24px;
  color:#90A9BD;
  font-size:13px;
}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .footer-links{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-block{padding:64px 0}
}
:focus-visible{
  outline:2px solid #185AB2;
  outline-offset:3px;
  border-radius:4px;
}

/* roulang page: category2 */
:root {
    --primary: #1D5F9F;
    --primary-dark: #0C3A5F;
    --primary-deep: #0E2C44;
    --accent: #D8B25C;
    --accent-soft: #9D6A2F;
    --ink: #182A38;
    --muted: #51697E;
    --bg: #F7F9FC;
    --surface: #FFFFFF;
    --border: #E1E9F0;
    --border-light: #E9F0F6;
    --radius: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(15, 43, 74, .05);
    --shadow-md: 0 8px 24px -12px rgba(15, 43, 74, .13);
    --shadow-hover: 0 18px 36px -16px rgba(15, 43, 74, .18);
    --font-stack: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --container: 1200px;
    --gap: 24px;
  }

  *,
  *::before,
  *::after { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    font-family: var(--font-stack);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a { color: var(--primary); text-decoration: none; transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease; }
  img { display: block; max-width: 100%; }
  button, input, textarea { font-family: inherit; font-size: 1rem; }
  p { margin: 0 0 1.1em; }
  h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; margin: 0 0 .55em; color: var(--ink); }
  ul { margin: 0; padding: 0; list-style: none; }
  .container { max-width: var(--container); margin: 0 auto; padding-left: 20px; padding-right: 20px; width: 100%; }
  .container-wide { max-width: 1320px; margin: 0 auto; }

  /* Shared header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 300;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #eef2f6;
  }
  .header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
  .brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.1rem; line-height: 1.2; }
  .brand:hover { color: var(--primary); }
  .brand-mark {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-light);
    color: var(--primary);
    background: #f2f7fb;
    border-radius: 50%;
    flex: 0 0 auto;
  }
  .brand-mark svg { width: 22px; height: 22px; }
  .brand-name { font-weight: 600; letter-spacing: .2px; white-space: nowrap; }
  .brand-name b { color: var(--primary); font-weight: 800; }
  .main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
  .nav-link {
    display: inline-flex; align-items: center;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: #263A55;
    border: 1px solid transparent;
    letter-spacing: .2px;
    min-height: 44px;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
  }
  .nav-link:hover { background: #F0F5FA; color: var(--primary-dark); }
  .nav-link.is-active { background: #eaf2fa; color: var(--primary-deep); box-shadow: inset 0 0 0 1px #d5e4f0; }
  .nav-toggle {
    display: none;
    width: 44px; height: 44px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--primary);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-left: auto;
  }
  .nav-toggle svg { width: 22px; height: 22px; }

  /* Shared footer */
  .site-footer { background: var(--primary-deep); color: #dbe7f0; margin-top: 0; }
  .site-footer .container { padding-top: 64px; padding-bottom: 30px; }
  .footer-top { display: grid; grid-template-columns: 1.15fr 2fr; gap: 56px; border-bottom: 1px solid rgba(255,255,255,.12); padding-bottom: 40px; }
  .footer-brand .brand { color: #fff; font-size: 1.18rem; margin-bottom: 1.1rem; }
  .footer-brand .brand-mark { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); color: #fff; }
  .footer-brand .brand-name b { color: #fff; }
  .footer-brand p { font-size: 15px; color: #aac2d4; max-width: 38ch; margin-bottom: 22px; }
  .footer-tags { display: flex; flex-wrap: wrap; gap: 10px; }
  .footer-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: #d8e6ef;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
  }
  .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .footer-col h3 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; letter-spacing: .3px; }
  .footer-col a { display: inline-block; color: #aac2d4; font-size: 14px; line-height: 2.5; border-bottom: 1px solid transparent; }
  .footer-col a:hover { color: #fff; border-color: rgba(255,255,255,.55); }
  .footer-friend { border-bottom: 1px solid rgba(255,255,255,.1); padding: 18px 0 28px; font-size: 14px; color: #9fb6c8; line-height: 2; }
  .footer-friend a { color: #d3e4ee; margin: 0 10px 0 2px; }
  .footer-friend a:hover { color: #fff; }
  .footer-bottom {
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 16px;
    color: #7f9cb0;
    font-size: 13px;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 26px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    background: transparent;
    transition: all .22s ease;
  }
  .btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 8px 18px -8px rgba(29,95,159,.5); }
  .btn-primary:hover { background: #15456f; border-color: #0D3550; transform: translateY(-2px); box-shadow: 0 14px 24px -10px rgba(12,58,95,.4); }
  .btn-light { background: #fff; color: var(--primary); border-color: #d4e2ee; }
  .btn-light:hover { background: #F0F5FA; border-color: var(--primary); transform: translateY(-2px); }
  .btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
  .btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }

  .btn:focus-visible, .nav-link:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #185AB2;
    outline-offset: 3px;
  }

  /* Category hero */
  .category-hero {
    min-height: 44vh;
    padding: 108px 0 84px;
    display: flex;
    align-items: center;
    background:
      linear-gradient(108deg, rgba(8, 29, 50, .88) 0%, rgba(15, 57, 90, .66) 55%, rgba(24, 82, 124, .34) 100%),
      url("/assets/images/backpic/back-1.png") center / cover no-repeat;
    color: #f4f8fc;
    border-bottom: 1px solid #e8edf2;
  }
  .category-hero .crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: rgba(255,255,255,.75);
    margin-bottom: 20px;
  }
  .category-hero .crumb a { color: rgba(255,255,255,.85); border-bottom: 1px solid transparent; }
  .category-hero .crumb a:hover { color: #fff; border-color: rgba(255,255,255,.6); }
  .hero-kicker, .kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
  }
  .category-hero .hero-kicker { color: #f0d491; }
  .category-hero .hero-kicker::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
  .category-hero h1 { color: #fff; font-size: clamp(2.5rem, 4.4vw, 3.6rem); letter-spacing: .5px; margin-bottom: 18px; max-width: 18ch; }
  .hero-lead { font-size: 17px; line-height: 1.9; color: rgba(255,255,255,.88); max-width: 58ch; margin-bottom: 30px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

  .service-notice { padding: 24px 0 0; margin-top: -28px; position: relative; z-index: 5; }
  .notice-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    padding: 16px 22px;
    box-shadow: var(--shadow-md);
  }
  .notice-icon {
    width: 40px; height: 40px;
    flex: 0 0 auto;
    display: flex; align-items: center; justify-content: center;
    background: #eaf2fa;
    color: var(--primary);
    border-radius: 10px;
  }
  .notice-icon svg { width: 22px; height: 22px; }
  .notice-text { color: var(--ink); font-size: 15px; font-weight: 500; line-height: 1.7; }
  .notice-text strong { color: var(--primary-deep); }
  .notice-link { margin-left: auto; color: var(--primary); font-weight: 600; white-space: nowrap; }
  .notice-link:hover { text-decoration: underline; }

  .section { padding: clamp(60px, 8vw, 90px) 0; }
  .section.soft { background: #f4f7fa; }
  .section-head { max-width: 840px; margin-bottom: 42px; }
  .section-head h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin-bottom: 12px; }
  .section-head p { font-size: 16px; color: var(--muted); margin: 0; }
  .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

  /* Guide card grid */
  .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .guide-item {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 34px 28px 28px;
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .guide-item::before {
    content: attr(data-num);
    position: absolute;
    top: 20px;
    right: 22px;
    font-size: 13px;
    font-weight: 800;
    color: #b9cbd8;
    letter-spacing: .04em;
  }
  .guide-item:hover { transform: translateY(-4px); border-color: #cfdde9; box-shadow: var(--shadow-hover); }
  .guide-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    background: #eaf2fa;
    border-radius: 12px;
    margin-bottom: 22px;
  }
  .guide-icon svg { width: 25px; height: 25px; }
  .guide-item h3 { font-size: 18px; margin-bottom: 10px; }
  .guide-item p { font-size: 15px; color: var(--muted); line-height: 1.8; margin: 0; }

  /* Feature section */
  .feature-split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; }
  .feature-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .feature-card {
    position: relative;
    min-height: 340px;
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 28px;
    background: #102f4a;
    box-shadow: var(--shadow-md);
    isolation: isolate;
    transition: box-shadow .25s ease, transform .25s ease;
  }
  .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .feature-card img.feat-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .45s ease; }
  .feature-card:hover img.feat-bg { transform: scale(1.04); }
  .feature-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(6,25,43,.12) 0%, rgba(7,27,46,.82) 100%); }
  .feature-body { color: #fff; }
  .feature-body h3 { color: #fff; font-size: 21px; margin-bottom: 8px; }
  .feature-body p { color: rgba(255,255,255,.9); font-size: 14px; line-height: 1.75; margin-bottom: 12px; }
  .text-link { color: #f4d98c; font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
  .text-link:hover { color: #fff; gap: 10px; }

  .anchor-col {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 94px;
  }
  .anchor-col h3 { font-size: 15px; color: var(--primary-deep); padding: 10px 10px 12px; border-bottom: 1px solid #eef3f7; margin-bottom: 8px; }
  .anchor-list li { border-bottom: 1px solid #f1f4f8; }
  .anchor-list li:last-child { border: 0; }
  .anchor-list a { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 11px 10px; color: var(--ink); font-size: 15px; border-radius: 8px; }
  .anchor-list a span { color: var(--muted); font-size: 13px; }
  .anchor-list a:hover { background: #f2f7fb; color: var(--primary); }
  .anchor-list a:hover span { color: var(--primary); }

  /* Flow process */
  .flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .flow-item { position: relative; background: #fff; border: 1px solid var(--border-light); border-radius: 16px; padding: 30px 24px 24px; box-shadow: var(--shadow-sm); }
  .flow-num { font-size: 40px; font-weight: 800; line-height: 1; color: #d9e5ef; margin-bottom: 16px; display: block; }
  .flow-item h3 { font-size: 17px; margin-bottom: 8px; }
  .flow-item p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.8; }

  /* More categories */
  .more-cat { border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); background: #fff; }
  .more-cat .inner { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding: 22px 0; }
  .more-cat .label { color: var(--muted); font-size: 15px; font-weight: 600; margin-right: 4px; }
  .chip-link {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
  }
  .chip-link:hover { background: #f0f5fa; border-color: var(--primary); transform: translateY(-1px); }

  /* CTA band */
  .cta-band { border-radius: 22px; overflow: hidden; background: linear-gradient(108deg, #0d3b68, #1D5F9F 52%, #2f739e); color: #fff; padding: 52px; display: flex; align-items: center; justify-content: space-between; gap: 40px; box-shadow: var(--shadow-hover); }
  .cta-band h2 { color: #fff; font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 12px; }
  .cta-band p { color: rgba(255,255,255,.86); font-size: 16px; max-width: 44ch; margin: 0; }
  .cta-band .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; flex: 0 0 auto; }

  /* FAQ */
  .faq-wrap { max-width: 880px; }
  .faq-item { background: #fff; border: 1px solid var(--border-light); border-radius: 13px; margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s ease; }
  .faq-item[open] { background: #f4f8fe; box-shadow: var(--shadow-sm); }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 58px 18px 24px;
    position: relative;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    display: flex;
    align-items: center;
    min-height: 56px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: #eaf2fa;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 400;
    transition: transform .25s ease, background .25s ease;
    line-height: 1;
  }
  .faq-item[open] summary::after { content: "+"; transform: translateY(-50%) rotate(45deg); background: var(--primary); color: #fff; }
  .faq-answer { padding: 0 24px 22px; color: var(--muted); font-size: 15px; line-height: 1.9; }

  /* Favorite / share CTA */
  .favorite-cta { background: #fff; }
  .favorite-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    background: #f4f8fb;
    border: 1px solid var(--border-light);
    border-radius: 22px;
    padding: 46px 30px;
  }
  .favorite-box h2 { font-size: 24px; margin-bottom: 2px; }
  .favorite-box p { color: var(--muted); font-size: 15px; max-width: 56ch; margin: 0; }
  .favorite-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 10px; }
  .mini-share { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--primary-deep); border: 1px solid var(--border); background: #fff; padding: 12px 18px; border-radius: 999px; font-weight: 600; }
  .mini-share svg { width: 18px; height: 18px; }

  /* Responsive */
  @media (max-width: 1180px) {
    .feature-split { grid-template-columns: 1fr; }
    .anchor-col { position: static; }
    .anchor-list { display: grid; grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 1024px) {
    .container { max-width: 960px; }
    .footer-top { grid-template-columns: 1fr; gap: 36px; }
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 991px) {
    .header-inner { min-height: 64px; }
    .header-inner > .main-nav,
    .header-inner .main-nav { margin-left: auto; }
    .nav-toggle { display: inline-flex; }
    .main-nav {
      position: absolute;
      top: calc(100% + 8px);
      left: 16px;
      right: 16px;
      display: none;
      flex-direction: column;
      align-items: stretch;
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: 16px;
      padding: 10px;
      box-shadow: var(--shadow-hover);
      gap: 4px;
    }
    .main-nav.menu-open { display: flex; }
    .nav-link { padding: 12px 18px; }
    .nav-link.is-active { background: #eaf2fa; }
    .notice-bar { flex-wrap: wrap; }
    .notice-link { margin-left: 0; width: 100%; }
    .guide-grid { grid-template-columns: 1fr; }
    .feature-col { grid-template-columns: 1fr; }
    .category-hero { padding: 86px 0 64px; }
  }

  @media (max-width: 767px) {
    body { font-size: 15px; }
    .section { padding: 48px 0; }
    .header-inner { min-height: 62px; }
    .brand-mark { width: 36px; height: 36px; }
    .brand-name { font-size: 1rem; }
    .footer-top { padding-bottom: 28px; }
    .footer-links { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; }
    .footer-friend a { display: inline-block; margin: 0 10px 4px 0; }
    .cta-band { flex-direction: column; padding: 34px 24px; }
    .cta-actions { width: 100%; }
    .cta-actions .btn { width: 100%; }
    .anchor-list { grid-template-columns: 1fr; }
    .flow-grid { grid-template-columns: 1fr; }
    .hero-actions .btn { width: 100%; }
    .section-head h2 { font-size: 1.5rem; }
  }

  @media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .brand-name { display: inline-flex; }
    .hero-kicker { letter-spacing: .06em; }
    .category-hero h1 { font-size: 2.2rem; }
    .guide-item { padding: 28px 20px 22px; }
    .favorite-actions { width: 100%; }
    .mini-share { flex: 1; justify-content: center; }
    .more-cat .inner { flex-direction: column; align-items: flex-start; }
  }