/* roulang page: index */
:root{--primary:#0a1f3c;--primary-light:#1b3a5c;--secondary:#00c26f;--accent:#ff8a3d;--bg:#f4f7fb;--white:#ffffff;--text:#1e2b3a;--muted:#6b7a8f;--border:#e6ecf3;--radius:20px;--radius-sm:12px;--radius-xs:8px;--shadow:0 10px 40px rgba(10,31,60,.08);--shadow-lg:0 24px 70px rgba(10,31,60,.15);--font:'PingFang SC','Microsoft YaHei','Segoe UI',system-ui,sans-serif;--ease:all .35s cubic-bezier(.4,0,.2,1)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--white);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{max-width:100%;display:block;height:auto}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-light{background:var(--bg)}
.section-dark{background:var(--primary);color:#fff;overflow:hidden}
.section-head{margin-bottom:52px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,194,111,.1);color:var(--secondary);font-size:13px;font-weight:700;padding:6px 16px;border-radius:30px;letter-spacing:.5px;text-transform:uppercase}
.section-dark .section-tag{background:rgba(255,255,255,.15);color:#6ff0bd}
.section-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;color:var(--primary);margin-top:16px;line-height:1.3}
.section-dark .section-head h2{color:#fff}
.section-head p{color:var(--muted);font-size:16px;max-width:580px;margin-top:12px}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:50px;font-weight:700;font-size:15px;padding:13px 32px;border:2px solid transparent;transition:var(--ease);cursor:pointer}
.btn-primary-solid{background:var(--secondary);color:#fff;box-shadow:0 8px 24px rgba(0,194,111,.25)}
.btn-primary-solid:hover{background:#00a85e;transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,194,111,.35);color:#fff}
.btn-outline{border-color:var(--border);color:var(--primary);background:transparent}
.btn-outline:hover{border-color:var(--secondary);color:var(--secondary);transform:translateY(-2px)}
.btn-light-solid{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.btn-light-solid:hover{background:var(--secondary);color:#fff}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(255,138,61,.3)}
.btn-accent:hover{background:#e6762a;transform:translateY(-2px);color:#fff}
/*==Navigation==*/
.site-header{position:fixed;top:18px;left:0;right:0;z-index:1050;pointer-events:none}
.site-header .container{pointer-events:auto}
.nav-capsule{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.94);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.6);border-radius:60px;padding:10px 12px 10px 24px;box-shadow:0 12px 48px rgba(10,31,60,.14);transition:var(--ease)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--primary);white-space:nowrap}
.brand-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:12px;font-size:16px;box-shadow:0 4px 14px rgba(0,194,111,.3)}
.nav-menu{display:flex;align-items:center;gap:20px}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{padding:8px 18px;border-radius:40px;font-size:15px;font-weight:600;color:var(--muted);display:block}
.nav-links a:hover{color:var(--primary);background:rgba(0,194,111,.08)}
.nav-links a.active{color:var(--primary);background:rgba(0,194,111,.12)}
.btn-nav{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;border-radius:40px;padding:10px 24px;font-weight:700;font-size:14px;transition:var(--ease);white-space:nowrap}
.btn-nav:hover{background:var(--secondary);color:#fff;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;font-size:20px;color:var(--primary);cursor:pointer;width:44px;height:44px;border-radius:14px;transition:var(--ease)}
.menu-toggle:hover{background:rgba(0,194,111,.1)}
/*==Hero==*/
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background-size:cover;background-position:center;padding:160px 0 100px}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,31,60,.9) 0%,rgba(10,31,60,.65) 45%,rgba(0,194,111,.25) 100%)}
.hero-content{position:relative;z-index:2;text-align:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px);color:#fff;font-size:14px;font-weight:600;padding:8px 22px;border-radius:40px;margin-bottom:24px}
.hero h1{font-size:clamp(38px,6vw,72px);font-weight:900;color:#fff;line-height:1.15;letter-spacing:-1px;margin-bottom:20px}
.hero-lead{color:rgba(255,255,255,.85);font-size:18px;max-width:680px;margin:0 auto 36px;line-height:1.8}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-hero-primary{background:var(--secondary);color:#fff;border-radius:50px;padding:15px 38px;font-weight:700;font-size:16px;box-shadow:0 10px 30px rgba(0,194,111,.35);transition:var(--ease)}
.btn-hero-primary:hover{background:#00d47a;transform:translateY(-3px);color:#fff}
.btn-hero-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px);border-radius:50px;padding:15px 38px;font-weight:700;font-size:16px;transition:var(--ease)}
.btn-hero-ghost:hover{background:#fff;color:var(--primary);transform:translateY(-3px)}
.hero-stats{position:relative;z-index:2;margin-top:60px;display:flex;gap:50px;justify-content:center;flex-wrap:wrap}
.stat-item{text-align:center;padding:0 12px}
.stat-item strong{display:block;font-size:38px;font-weight:900;color:#fff;line-height:1.2}
.stat-item span{color:rgba(255,255,255,.7);font-size:14px;font-weight:500}
/*==Feature Cards==*/
.feature-card{background:#fff;border-radius:var(--radius);padding:42px 32px;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--ease);height:100%;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--secondary),var(--accent));opacity:0;transition:var(--ease)}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:68px;height:68px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;margin-bottom:24px;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 8px 20px rgba(10,31,60,.15)}
.feature-card:nth-child(2) .feature-icon{background:linear-gradient(135deg,var(--secondary),#00a85e)}
.feature-card:nth-child(3) .feature-icon{background:linear-gradient(135deg,var(--accent),#ffb56b)}
.feature-card h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:12px}
.feature-card p{color:var(--muted);font-size:15px;line-height:1.75}
/*==Category Cards==*/
.category-card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--ease);height:100%;display:flex;flex-direction:column}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.category-card .cat-img{position:relative;height:220px;overflow:hidden}
.category-card .cat-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.category-card:hover .cat-img img{transform:scale(1.06)}
.category-card .cat-body{padding:28px;display:flex;flex-direction:column;flex:1}
.category-card .cat-body h3{font-size:22px;font-weight:800;color:var(--primary);margin-bottom:10px}
.category-card .cat-body p{color:var(--muted);font-size:15px;line-height:1.7;flex:1}
.cat-link{display:inline-flex;align-items:center;gap:8px;color:var(--secondary);font-weight:700;font-size:15px;margin-top:18px}
.cat-link:hover{gap:14px;color:var(--primary)}
/*==News==*/
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:var(--ease);display:flex;flex-direction:column;height:100%}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,194,111,.3)}
.news-card-tag{display:inline-block;background:rgba(0,194,111,.1);color:var(--secondary);font-size:12px;font-weight:700;padding:4px 14px;border-radius:30px;margin-bottom:14px;align-self:flex-start}
.news-card h3{font-size:18px;font-weight:700;color:var(--primary);line-height:1.5;margin-bottom:10px;transition:var(--ease)}
.news-card:hover h3{color:var(--secondary)}
.news-card p{color:var(--muted);font-size:14px;line-height:1.7;flex:1}
.news-card-meta{display:flex;align-items:center;gap:6px;font-size:13px;color:#9aa8b8;margin-top:16px}
.empty-tip{background:rgba(0,194,111,.06);border:1px dashed rgba(0,194,111,.3);border-radius:var(--radius-sm);padding:40px;text-align:center;color:var(--muted);font-size:16px;grid-column:1/-1}
/*==Dark Stats==*/
.stats-band{padding:70px 0}
.stats-block{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:var(--ease);backdrop-filter:blur(4px)}
.stats-block:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.stats-block strong{font-size:42px;font-weight:900;color:#fff;display:block}
.stats-block span{color:rgba(255,255,255,.7);font-size:14px;font-weight:500}
/*==Featured Content==*/
.featured-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:320px;display:flex;align-items:flex-end;box-shadow:var(--shadow);transition:var(--ease)}
.featured-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.featured-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured-card .fc-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,31,60,.9),rgba(10,31,60,.15))}
.featured-card .fc-body{position:relative;z-index:2;padding:36px;color:#fff}
.featured-card .fc-tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:30px;margin-bottom:14px}
.featured-card .fc-body h3{font-size:24px;font-weight:800;margin-bottom:8px}
.featured-card .fc-body p{color:rgba(255,255,255,.8);font-size:15px}
.featured-card .fc-btn{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:14px;margin-top:16px;border-bottom:2px solid var(--secondary);padding-bottom:2px}
.featured-card .fc-btn:hover{gap:14px;color:var(--secondary)}
/*==Process==*/
.process-wrapper{position:relative;counter-reset:step}
.process-step{text-align:center;padding:36px 20px;position:relative}
.process-step::before{counter-increment:step;content:counter(step);position:absolute;top:-10px;left:50%;transform:translateX(-50%);width:48px;height:48px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;z-index:2;box-shadow:0 8px 20px rgba(10,31,60,.2)}
.process-step .step-icon{width:86px;height:86px;margin:20px auto 22px;background:linear-gradient(135deg,rgba(0,194,111,.12),rgba(10,31,60,.08));border-radius:26px;display:flex;align-items:center;justify-content:center;font-size:34px;color:var(--secondary)}
.process-step h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:8px}
.process-step p{color:var(--muted);font-size:14px;line-height:1.6}
/*==FAQ==*/
.accordion-item{border:1px solid var(--border);border-radius:var(--radius-sm)!important;margin-bottom:16px;overflow:hidden;box-shadow:none}
.accordion-button{font-weight:700;font-size:16px;color:var(--primary);background:#fff;padding:20px 24px;border:none;box-shadow:none!important}
.accordion-button:not(.collapsed){background:rgba(0,194,111,.06);color:var(--secondary)}
.accordion-button:focus{box-shadow:none}
.accordion-body{color:var(--muted);font-size:15px;line-height:1.8;padding:0 24px 20px}
/*==CTA==*/
.cta-section{position:relative;background-size:cover;background-position:center;padding:110px 0}
.cta-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,31,60,.92),rgba(0,194,111,.55))}
.cta-content{position:relative;z-index:2;text-align:center;color:#fff}
.cta-content h2{font-size:clamp(30px,4vw,48px);font-weight:900;margin-bottom:18px}
.cta-content p{color:rgba(255,255,255,.85);font-size:18px;max-width:620px;margin:0 auto 36px}
/*==Footer==*/
.site-footer{background:var(--primary);color:rgba(255,255,255,.75);padding:70px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:50px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{line-height:1.8;font-size:14px}
.footer-links h4,.footer-contact h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:18px}
.footer-links ul li{margin-bottom:10px}
.footer-links ul a{color:rgba(255,255,255,.7)}
.footer-links ul a:hover{color:var(--secondary);padding-left:4px}
.footer-contact p{line-height:1.8;font-size:14px}
.footer-contact p i{color:var(--secondary);margin-right:8px}
.footer-bottom{padding:22px 0;text-align:center;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5)}
/*==Responsive==*/
@media(max-width:1024px){.section{padding:80px 0}.nav-capsule{padding:8px 10px 8px 18px}.nav-menu{gap:12px}.nav-links a{padding:7px 12px;font-size:14px}.btn-nav{padding:9px 18px;font-size:13px}.hero{min-height:auto;padding:140px 0 80px}}
@media(max-width:768px){.section{padding:70px 0}.nav-capsule{flex-wrap:wrap;border-radius:28px}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;top:calc(100% + 10px);left:12px;right:12px;background:#fff;border-radius:20px;flex-direction:column;align-items:stretch;padding:16px;box-shadow:0 20px 60px rgba(10,31,60,.2);border:1px solid var(--border)}.nav-menu.open{display:flex}.nav-links{flex-direction:column;width:100%}.nav-links a{width:100%;text-align:center;padding:12px;border-radius:12px}.btn-nav{justify-content:center;margin-top:10px}.hero h1{font-size:38px}.hero-stats{gap:30px}.hero-btns{flex-direction:column;align-items:center}.hero-btns .btn{width:100%;max-width:320px}.footer-grid{grid-template-columns:1fr;gap:40px}.news-grid{grid-template-columns:1fr}.cta-section{padding:80px 0}}
@media(max-width:520px){.section{padding:56px 0}.container{padding:0 16px}.hero{padding:120px 0 60px}.hero h1{font-size:32px}.hero-lead{font-size:16px}.hero-stats{margin-top:40px;gap:20px}.stat-item strong{font-size:28px}.feature-card{padding:28px 20px}.category-card .cat-img{height:180px}.brand{font-size:19px}.brand-icon{width:34px;height:34px}.footer-grid{gap:32px}.section-head{margin-bottom:36px}}

/* roulang page: category1 */
:root {
    --primary: #0f2b46;
    --primary-light: #1d4ed8;
    --primary-soft: #e8f0fe;
    --accent: #e63946;
    --accent-hover: #c92531;
    --dark: #0d1b2a;
    --text: #1f2937;
    --text-weak: #64748b;
    --bg: #f6f9fc;
    --bg-alt: #eef2f7;
    --border: #dfe6ee;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 28px;
    --shadow-sm: 0 2px 8px rgba(15, 43, 70, .06);
    --shadow-md: 0 10px 30px rgba(15, 43, 70, .08);
    --shadow-lg: 0 20px 60px rgba(15, 43, 70, .14);
    --transition: .3s cubic-bezier(.4, 0, .2, 1);
    --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-base);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; outline: none; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
section { position: relative; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.bg-light { background-color: var(--bg-alt); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 50px;
    padding: 11px 26px;
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn i { font-size: .9rem; }
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 6px 20px rgba(15, 43, 70, .22);
}
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(29, 78, 216, .28); }
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: rgba(255, 255, 255, .7);
}
.btn-outline:hover { background: rgba(255, 255, 255, .14); color: #fff; border-color: #fff; transform: translateY(-2px); }
.btn-accent {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(230, 57, 70, .25);
}
.btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(230, 57, 70, .3); }
.btn:focus-visible { outline: 3px solid rgba(29, 78, 216, .35); outline-offset: 2px; }
.btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    padding: 9px 22px;
    font-size: .9rem;
    font-weight: 600;
    transition: all var(--transition);
    box-shadow: 0 4px 14px rgba(15, 43, 70, .18);
}
.btn-nav:hover { background: var(--accent); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 22px rgba(230, 57, 70, .3); }

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 14px 0;
    background: transparent;
    transition: background .4s ease, box-shadow .4s ease;
}
.site-header.scrolled {
    background: rgba(15, 43, 70, .92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, .25);
    padding: 10px 0;
}
.nav-capsule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: rgba(255, 255, 255, .75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 60px;
    padding: 8px 12px 8px 22px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .08);
    transition: all var(--transition);
}
.site-header.scrolled .nav-capsule {
    background: rgba(255, 255, 255, .06);
    border-color: rgba(255, 255, 255, .12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .5px;
    white-space: nowrap;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    font-size: .95rem;
    box-shadow: 0 6px 16px rgba(15, 43, 70, .25);
}
.site-header.scrolled .brand { color: #fff; }
.nav-menu { display: flex; align-items: center; gap: 16px; }
.nav-links { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }
.nav-links a {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: .92rem;
    font-weight: 500;
    color: var(--text);
    transition: all var(--transition);
    position: relative;
}
.nav-links a:hover { background: rgba(15, 43, 70, .06); color: var(--primary); }
.nav-links a.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(15, 43, 70, .22);
}
.site-header.scrolled .nav-links a { color: rgba(255, 255, 255, .85); }
.site-header.scrolled .nav-links a:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.site-header.scrolled .nav-links a.active { background: #fff; color: var(--primary); box-shadow: 0 6px 18px rgba(0, 0, 0, .2); }
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 1.1rem;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(15, 43, 70, .2);
}
.menu-toggle:hover { background: var(--accent); }

/* ===== Page Banner ===== */
.page-banner {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0b1d33 0%, #102a45 45%, #1d4ed8 100%);
    overflow: hidden;
    padding: 110px 0 70px;
    margin-top: -84px;
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center 30%;
    opacity: .35;
    z-index: 0;
}
.page-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 16, 28, .55) 0%, rgba(10, 25, 44, .72) 100%);
    z-index: 1;
}
.banner-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}
.banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .28);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    border-radius: 50px;
    padding: 8px 20px;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.banner-content h1 {
    color: #fff;
    font-size: clamp(1.8rem, 4.5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: 1px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, .3);
}
.banner-content p {
    color: rgba(255, 255, 255, .9);
    font-size: 1.05rem;
    margin-bottom: 30px;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .25);
}
.banner-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Section ===== */
.section-block { padding: 90px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-tag::after, .section-tag::before { content: ""; width: 32px; height: 2px; background: var(--accent); border-radius: 2px; opacity: .5; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; color: var(--primary); margin-bottom: 14px; line-height: 1.3; }
.section-head p { color: var(--text-weak); font-size: 1rem; line-height: 1.8; }

/* ===== Category Intro ===== */
.cat-intro { padding: 70px 0 10px; }
.cat-intro .intro-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 40px;
    display: flex;
    gap: 36px;
    align-items: center;
}
.intro-icon {
    flex: 0 0 90px;
    width: 90px;
    height: 90px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2rem;
    box-shadow: 0 12px 30px rgba(29, 78, 216, .25);
}
.intro-content h3 { font-size: 1.45rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.intro-content p { color: var(--text); opacity: .85; line-height: 1.8; }

/* ===== News Cards ===== */
.news-section { background: #fff; }
.news-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-card-img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-alt); }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 65%, rgba(10, 20, 36, .35) 100%); }
.news-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--primary);
    font-size: .78rem;
    font-weight: 700;
    border-radius: 50px;
    padding: 5px 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .14);
}
.news-tag.hot { background: var(--accent); color: #fff; }
.news-card-body { padding: 24px 24px 20px; display: flex; flex-direction: column; flex: 1; }
.news-card-body .news-title { font-size: 1.1rem; font-weight: 700; color: var(--primary); line-height: 1.5; margin-bottom: 10px; }
.news-card-body .news-title a { transition: color var(--transition); }
.news-card-body .news-title a:hover { color: var(--accent); }
.news-card-body .news-desc { color: var(--text-weak); font-size: .9rem; line-height: 1.7; margin-bottom: 18px; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 14px; font-size: .8rem; color: var(--text-weak); border-top: 1px solid var(--border); padding-top: 14px; }
.news-meta i { color: var(--accent); margin-right: 4px; }
.news-meta .meta-item { display: inline-flex; align-items: center; }

/* ===== Category Tags ===== */
.tags-band { background: var(--dark); position: relative; overflow: hidden; }
.tags-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: .18;
}
.tags-band .container { position: relative; z-index: 1; }
.tags-band .section-head h2 { color: #fff; }
.tags-band .section-head p { color: rgba(255, 255, 255, .7); }
.tag-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; max-width: 860px; margin: 0 auto; }
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 50px;
    padding: 12px 24px;
    color: rgba(255, 255, 255, .92);
    font-weight: 600;
    font-size: .95rem;
    transition: all var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.tag-item i { color: var(--accent); font-size: .85rem; }
.tag-item:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-3px); box-shadow: 0 10px 26px rgba(230, 57, 70, .35); }

/* ===== Hot Rank ===== */
.hot-rank-section { background: var(--bg-alt); }
.rank-wrapper {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 40px;
}
.rank-list { display: flex; flex-direction: column; gap: 14px; }
.rank-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg);
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 18px 22px;
    transition: all var(--transition);
}
.rank-item:hover { background: var(--primary-soft); border-color: rgba(29, 78, 216, .2); transform: translateX(6px); }
.rank-num {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(15, 43, 70, .2);
}
.rank-item:nth-child(1) .rank-num { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.rank-item:nth-child(2) .rank-num { background: linear-gradient(135deg, #64748b, #334155); }
.rank-item:nth-child(3) .rank-num { background: linear-gradient(135deg, #d97706, #b45309); }
.rank-info { flex: 1; }
.rank-info h4 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.rank-info p { font-size: .82rem; color: var(--text-weak); }
.rank-heat { display: flex; align-items: center; gap: 8px; font-size: .85rem; font-weight: 600; color: var(--accent); }
.rank-heat i { font-size: .75rem; }
.rank-bar { width: 90px; height: 6px; background: var(--border); border-radius: 8px; overflow: hidden; }
.rank-bar span { display: block; height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--primary-light), var(--accent)); }
.rank-side-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); height: 100%; min-height: 320px; }
.rank-side-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.rank-side-img:hover img { transform: scale(1.04); }

/* ===== Flow / Timeline ===== */
.flow-section { background: #fff; }
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.flow-grid::before {
    content: "";
    position: absolute;
    top: 46px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent));
    opacity: .3;
    border-radius: 4px;
}
.flow-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all var(--transition);
}
.flow-item:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: transparent; }
.flow-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 22px;
    background: #fff;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.flow-item:hover .flow-icon { background: var(--primary); color: #fff; border-color: var(--primary); transform: scale(1.06); }
.flow-step {
    position: absolute;
    top: -8px;
    right: -6px;
    background: var(--accent);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    border-radius: 50px;
    padding: 4px 12px;
    box-shadow: 0 4px 10px rgba(230, 57, 70, .3);
}
.flow-item h4 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.flow-item p { font-size: .85rem; color: var(--text-weak); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-alt); }
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item.active { border-color: rgba(29, 78, 216, .3); }
.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 26px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    transition: color var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-q .faq-icon {
    flex: 0 0 34px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    color: var(--primary);
    transition: all var(--transition);
}
.faq-item.active .faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }
.faq-a { padding: 0 26px 22px; color: var(--text); font-size: .92rem; line-height: 1.8; display: none; }
.faq-item.active .faq-a { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ===== CTA ===== */
.cta-section {
    position: relative;
    padding: 90px 0;
    background: linear-gradient(135deg, #0a1a2e 0%, #0f2b46 50%, #1d4ed8 100%);
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: .22;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { color: rgba(255, 255, 255, .82); font-size: 1rem; margin-bottom: 30px; line-height: 1.8; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 50px; }
.cta-card {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 26px 20px;
    text-align: center;
    color: #fff;
    transition: all var(--transition);
}
.cta-card:hover { background: rgba(255, 255, 255, .14); transform: translateY(-4px); }
.cta-card i { font-size: 1.5rem; color: #fff; margin-bottom: 12px; }
.cta-card h5 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.cta-card p { font-size: .85rem; color: rgba(255, 255, 255, .75); margin: 0; }

/* ===== Footer ===== */
.site-footer {
    background: #081826;
    color: rgba(255, 255, 255, .72);
    padding: 70px 0 0;
    position: relative;
}
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light));
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 46px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand .brand .brand-icon { background: linear-gradient(135deg, var(--accent), var(--primary-light)); }
.footer-brand p { font-size: .9rem; line-height: 1.8; color: rgba(255, 255, 255, .6); margin: 0; }
.footer-links h4, .footer-contact h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-links h4::after, .footer-contact h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
}
.footer-links ul { padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, .65); font-size: .9rem; transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .75rem; color: var(--accent); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact p { display: flex; align-items: center; gap: 10px; font-size: .9rem; margin-bottom: 12px; color: rgba(255, 255, 255, .6); }
.footer-contact p i { color: var(--accent); width: 18px; }
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    color: rgba(255, 255, 255, .45);
    font-size: .85rem;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .section-block { padding: 70px 0; }
    .page-banner { min-height: 340px; padding-top: 110px; }
    .intro-card { flex-direction: column; text-align: center; gap: 20px; padding: 32px 24px; }
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-grid::before { display: none; }
    .cta-contact-grid { grid-template-columns: 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
    .nav-capsule { flex-wrap: wrap; border-radius: 28px; padding: 10px 16px; }
    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 10px 0 6px;
    }
    .nav-menu.open { display: flex; }
    .nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
    .nav-links a { text-align: center; padding: 12px 16px; }
    .menu-toggle { display: inline-flex; }
    .btn-nav { justify-content: center; margin-top: 8px; }
    .page-banner { min-height: 320px; padding-top: 100px; padding-bottom: 50px; }
    .banner-actions { flex-direction: column; align-items: center; }
    .section-block { padding: 56px 0; }
    .rank-wrapper { padding: 24px 18px; }
    .rank-item { flex-wrap: wrap; gap: 12px; }
    .rank-heat { width: 100%; padding-left: 64px; }
    .rank-bar { flex: 1; }
    .flow-grid { grid-template-columns: 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .site-footer { padding-top: 50px; }
    .faq-q { padding: 18px 18px; font-size: .92rem; }
    .faq-a { padding: 0 18px 18px; }
}
@media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .brand { font-size: 1.05rem; }
    .brand-icon { width: 34px; height: 34px; font-size: .85rem; }
    .page-banner h1 { font-size: 1.55rem; }
    .page-banner p { font-size: .92rem; }
    .btn { padding: 10px 20px; font-size: .88rem; width: 100%; max-width: 320px; }
    .tag-item { font-size: .85rem; padding: 10px 18px; }
    .news-card-body { padding: 18px; }
    .cta-actions { flex-direction: column; align-items: center; }
    .footer-bottom { font-size: .78rem; padding: 18px 12px; }
}

/* roulang page: article */
:root {
  --primary: #0c2d61;
  --primary-light: #1e4e8f;
  --primary-dark: #071a36;
  --accent: #ff6b35;
  --accent-dark: #e05116;
  --accent-soft: #fff1ea;
  --body-bg: #f4f7fc;
  --white: #ffffff;
  --text: #1d2b3a;
  --text-light: #5f7186;
  --text-lighter: #8899ad;
  --border: #e3e9f1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 4px 14px rgba(12, 45, 97, 0.07);
  --shadow-md: 0 12px 32px rgba(12, 45, 97, 0.1);
  --shadow-lg: 0 24px 55px rgba(12, 45, 97, 0.16);
  --shadow-nav: 0 8px 28px rgba(12, 45, 97, 0.14);
  --shadow-orange: 0 10px 26px rgba(255, 107, 53, 0.38);
  --shadow-card-hover: 0 18px 42px rgba(12, 45, 97, 0.16);
  --transition: all 0.3s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
}
img {
  max-width: 100%;
  height: auto;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}
.container {
  max-width: 1260px;
}
.btn:focus,
.btn:active,
.form-control:focus {
  outline: none;
  box-shadow: none;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 16px;
}
.nav-capsule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 60px;
  padding: 10px 14px 10px 22px;
  box-shadow: var(--shadow-nav);
  transition: var(--transition);
}
.nav-capsule:hover {
  box-shadow: 0 12px 34px rgba(12, 45, 97, 0.18);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--primary);
  white-space: nowrap;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ff9a5c);
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 6px 14px rgba(255, 107, 53, 0.4);
  flex-shrink: 0;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: block;
  padding: 9px 18px;
  border-radius: 40px;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--primary);
  background: rgba(30, 78, 143, 0.08);
}
.nav-links a.active {
  color: #fff;
  background: var(--primary);
  font-weight: 600;
  box-shadow: 0 8px 18px rgba(12, 45, 97, 0.25);
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.35);
  white-space: nowrap;
}
.btn-nav:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(255, 107, 53, 0.45);
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.menu-toggle:hover {
  background: var(--primary-light);
}
.menu-toggle.active {
  background: var(--accent);
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 150px 0 118px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  overflow: hidden;
}
.banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.banner-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 26, 54, 0.9), rgba(12, 45, 97, 0.72));
}
.banner-content {
  position: relative;
  z-index: 2;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 26px;
}
.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.3s;
}
.breadcrumb-nav a:hover {
  color: var(--accent);
}
.breadcrumb-nav i {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.4);
}
.breadcrumb-nav span {
  color: #fff;
  max-width: 460px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.banner-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  max-width: 940px;
  margin-bottom: 26px;
}
.banner-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.93rem;
  color: rgba(255, 255, 255, 0.82);
}
.banner-meta i {
  margin-right: 6px;
  color: rgba(255, 255, 255, 0.55);
}
.badge-cat {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  letter-spacing: 0.5px;
}

/* ===== Article Main ===== */
.article-main {
  padding: 0 0 64px;
  background: var(--body-bg);
}
.article-card {
  max-width: 940px;
  margin: -68px auto 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 5;
  padding: 34px 42px 40px;
}
.article-thumb {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 28px;
  position: relative;
}
.article-thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}
.article-thumb .thumb-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(7, 26, 54, 0.72);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 30px;
  backdrop-filter: blur(8px);
}
.article-content {
  font-size: 1.04rem;
  line-height: 1.9;
  color: var(--text);
  word-break: break-word;
}
.article-content p {
  margin: 0 0 22px;
}
.article-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--primary);
  margin: 38px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}
.article-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary);
  margin: 30px 0 14px;
}
.article-content h4 {
  font-size: 1.12rem;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text);
}
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 26px 0;
  box-shadow: var(--shadow-sm);
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
  margin: 26px 0;
  font-size: 1rem;
  color: var(--text-light);
}
.article-content blockquote p {
  margin: 0;
}
.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 22px;
}
.article-content li {
  margin-bottom: 8px;
  line-height: 1.85;
}
.article-content a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.article-content a:hover {
  border-color: var(--accent);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 0.95rem;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 10px 15px;
  text-align: left;
}
.article-content table th {
  background: #f5f8fc;
  font-weight: 700;
  color: var(--primary);
}
.article-content code {
  background: #f2f4f8;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  color: var(--primary-light);
}
.article-content pre {
  background: var(--primary-dark);
  color: #d6e2f2;
  padding: 22px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 26px 0;
  line-height: 1.7;
  font-size: 0.92rem;
}
.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

/* ===== Article Footer / Tags / Share ===== */
.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--primary-light);
  background: rgba(30, 78, 143, 0.08);
  border-radius: 40px;
  transition: var(--transition);
}
.tag-item:hover {
  background: rgba(255, 107, 53, 0.14);
  color: var(--accent-dark);
}
.tag-item i {
  margin-right: 6px;
  font-size: 0.72rem;
}
.share-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.share-label {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-right: 4px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f1f4f9;
  color: var(--text-light);
  font-size: 0.9rem;
  transition: var(--transition);
}
.share-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(12, 45, 97, 0.22);
}
.not-found-box {
  text-align: center;
  padding: 56px 20px 30px;
}
.not-found-box i {
  font-size: 3.4rem;
  color: var(--text-lighter);
  margin-bottom: 18px;
  display: block;
}
.not-found-box h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.not-found-box p {
  color: var(--text-light);
  margin-bottom: 26px;
}
.empty-placeholder {
  text-align: center;
  padding: 34px 20px;
  color: var(--text-light);
  background: #f9fbfd;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  margin: 26px 0;
}

/* ===== Section Head ===== */
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-label {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  padding: 6px 18px;
  background: var(--accent-soft);
  border-radius: 40px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0;
}
.section-sub {
  color: var(--text-light);
  margin-top: 12px;
  font-size: 1rem;
}

/* ===== Related Section ===== */
.related-section {
  padding: 70px 0 80px;
  background: var(--body-bg);
}
.related-grid {
  margin-top: 10px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}
.news-thumb {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-thumb img {
  transform: scale(1.06);
}
.news-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 26, 54, 0.22), transparent 55%);
}
.news-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.badge-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(30, 78, 143, 0.1);
  border-radius: 6px;
  margin-bottom: 12px;
}
.news-title {
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-title a {
  color: var(--text);
  transition: color 0.3s;
}
.news-title a:hover {
  color: var(--accent);
}
.news-desc {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-meta {
  font-size: 0.83rem;
  color: var(--text-lighter);
}
.news-meta i {
  margin-right: 6px;
  font-size: 0.78rem;
}
.empty-box {
  text-align: center;
  padding: 40px 20px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  color: var(--text-lighter);
  font-size: 0.95rem;
}

/* ===== CTA ===== */
.cta-section {
  padding: 70px 0;
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  right: -120px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.18);
  filter: blur(70px);
}
.cta-section::after {
  content: '';
  position: absolute;
  left: -80px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(30, 78, 143, 0.45);
  filter: blur(80px);
}
.cta-box {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-content h2 {
  color: #fff;
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1rem;
  margin: 0;
  max-width: 560px;
}
.cta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.94rem;
  background: var(--accent);
  color: #fff;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-main:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.94rem;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.35);
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.footer-brand .brand {
  color: #fff;
}
.footer-brand p {
  margin-top: 16px;
  line-height: 1.8;
  font-size: 0.94rem;
}
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-links h4::after,
.footer-contact h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact p {
  margin-bottom: 12px;
  font-size: 0.94rem;
}
.footer-contact i {
  color: var(--accent);
  margin-right: 8px;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container {
    max-width: 960px;
  }
  .article-card {
    margin-left: 24px;
    margin-right: 24px;
  }
}
@media (max-width: 991.98px) {
  .nav-links a {
    padding: 8px 14px;
    font-size: 0.88rem;
  }
  .btn-nav {
    padding: 9px 18px;
    font-size: 0.85rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .banner-title {
    font-size: 2.1rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
}
@media (max-width: 767.98px) {
  .site-header {
    top: 10px;
    padding: 0 12px;
  }
  .nav-capsule {
    border-radius: 26px;
    padding: 9px 12px 9px 18px;
  }
  .brand {
    font-size: 1.1rem;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 20px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav-menu.menu-open {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    gap: 4px;
  }
  .nav-links a {
    text-align: center;
    padding: 11px 18px;
  }
  .nav-links a.active {
    background: var(--primary);
    color: #fff;
  }
  .btn-nav {
    justify-content: center;
    margin-top: 10px;
  }
  .page-banner {
    padding: 122px 0 110px;
  }
  .banner-title {
    font-size: 1.65rem;
    line-height: 1.35;
  }
  .banner-meta {
    gap: 10px 14px;
    font-size: 0.85rem;
  }
  .article-card {
    margin: -54px 14px 0;
    padding: 22px 20px 30px;
    border-radius: 18px;
  }
  .article-content {
    font-size: 0.98rem;
    line-height: 1.85;
  }
  .article-content h2 {
    font-size: 1.4rem;
  }
  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .share-links {
    width: 100%;
  }
  .cta-box {
    flex-direction: column;
    text-align: center;
  }
  .cta-content p {
    max-width: 100%;
  }
  .cta-actions {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    font-size: 0.9rem;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .section-title {
    font-size: 1.55rem;
  }
}
@media (max-width: 575.98px) {
  .banner-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .article-thumb img {
    aspect-ratio: 4 / 3;
  }
  .news-card {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  .footer-links ul {
    grid-template-columns: 1fr;
  }
  .cta-content h2 {
    font-size: 1.5rem;
  }
  .btn-main,
  .btn-outline-light {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --secondary: #06b6d4;
            --accent: #10b981;
            --dark: #0b1220;
            --dark-soft: #101d33;
            --bg-body: #f4f6fb;
            --bg-card: #ffffff;
            --text-body: #1e293b;
            --text-weak: #64748b;
            --text-white: #ffffff;
            --border: #e5e9f2;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 12px 32px rgba(2, 12, 27, 0.07);
            --shadow-hover: 0 20px 44px rgba(2, 12, 27, 0.13);
            --transition: 0.25s ease;
            --container-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.nav-open {
            overflow: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        ul {
            list-style: none;
        }

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

        .container {
            max-width: var(--container-w);
            padding-left: min(24px, 3vw);
            padding-right: min(24px, 3vw);
        }

        .btn-primary,
        .btn-ghost,
        .btn-light,
        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            border: 1px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
        }

        .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(-2px);
            box-shadow: 0 12px 24px rgba(37, 99, 235, 0.28);
            color: #fff;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
            backdrop-filter: blur(4px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--dark);
            border-color: #fff;
        }

        .btn-light:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--dark);
            color: #fff;
            border-color: var(--dark);
        }

        .btn-dark:hover {
            background: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .btn-light:focus-visible,
        .btn-dark:focus-visible,
        .nav-links a:focus-visible,
        .menu-toggle:focus-visible {
            outline: 3px solid rgba(6, 182, 212, 0.5);
            outline-offset: 3px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 16px;
            margin-top: 16px;
            margin-bottom: 8px;
            z-index: 1050;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.65);
            border-radius: 80px;
            padding: 10px 14px 10px 20px;
            box-shadow: var(--shadow);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.28rem;
            color: var(--dark);
            white-space: nowrap;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 500;
            color: var(--text-body);
            font-size: 0.94rem;
            transition: all var(--transition);
        }

        .nav-links a:hover {
            background: #edf2ff;
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--dark);
            color: #fff;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: 0;
            font-size: 1.25rem;
            color: var(--dark);
            width: 42px;
            height: 42px;
            border-radius: 14px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
            cursor: pointer;
        }

        .menu-toggle:hover {
            background: #eef2ff;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 158px 0 110px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(4, 12, 30, 0.9) 0%, rgba(4, 12, 30, 0.68) 48%, rgba(6, 182, 212, 0.38) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .badge-hero {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.28);
            color: #fff;
            padding: 9px 20px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            margin-bottom: 22px;
        }

        .badge-hero i {
            color: var(--secondary);
        }

        .page-hero h1 {
            font-size: 3.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .page-hero p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 640px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== Sections ===== */
        .section-intro,
        .section-cats,
        .section-list,
        .section-process,
        .section-feature-band,
        .section-faq,
        .section-cta {
            position: relative;
            padding: 88px 0;
        }

        .section-cats,
        .section-faq {
            background: #fff;
        }

        .section-head {
            text-align: center;
            margin-bottom: 54px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 2.45rem;
            font-weight: 750;
            line-height: 1.3;
            color: var(--dark);
            margin: 10px 0 12px;
        }

        .section-head p {
            color: var(--text-weak);
            max-width: 660px;
            margin: 0 auto;
            font-size: 1.02rem;
        }

        .section-dark .section-head h2 {
            color: #fff;
        }

        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.72);
        }

        /* ===== Intro ===== */
        .intro-left h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .intro-left p {
            color: var(--text-weak);
            font-size: 1.04rem;
            margin-bottom: 24px;
        }

        .feature-point {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 18px;
        }

        .feature-point i {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .feature-point h4 {
            font-size: 1.02rem;
            font-weight: 650;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .feature-point p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin: 0;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 42px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px 24px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .stat-suffix {
            font-size: 1.3rem;
        }

        .stat-label {
            color: var(--text-weak);
            font-size: 0.92rem;
            margin-top: 6px;
        }

        /* ===== Category Cards ===== */
        .cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .cat-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .cat-card:hover .cat-img img {
            transform: scale(1.06);
        }

        .cat-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(2, 10, 25, 0.28), transparent 60%);
        }

        .cat-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cat-body h3 {
            font-size: 1.32rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .cat-body p {
            color: var(--text-weak);
            font-size: 0.95rem;
            flex: 1;
            margin-bottom: 18px;
        }

        .cat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .cat-tags span {
            font-size: 0.78rem;
            font-weight: 500;
            background: #f0f4ff;
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 30px;
        }

        .cat-link {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .cat-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== Guide Cards ===== */
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .guide-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }

        .guide-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: rgba(6, 182, 212, 0.12);
            color: #0e7490;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .guide-card h3 a:hover {
            color: var(--primary);
        }

        .guide-card .card-body p {
            color: var(--text-weak);
            font-size: 0.93rem;
            flex: 1;
            margin-bottom: 18px;
        }

        .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid #f0f2f8;
            padding-top: 14px;
            font-size: 0.85rem;
            color: var(--text-weak);
        }

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

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

        /* ===== Process ===== */
        .section-process {
            background: linear-gradient(135deg, #081020 0%, #12233f 100%);
            color: #fff;
            overflow: hidden;
        }

        .section-process::before {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: rgba(6, 182, 212, 0.14);
            filter: blur(80px);
            top: -160px;
            right: -100px;
            pointer-events: none;
        }

        .process-card {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 30px 26px;
            height: 100%;
            backdrop-filter: blur(4px);
            transition: background var(--transition), transform var(--transition);
        }

        .process-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .process-card h3 {
            font-size: 1.14rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 10px;
        }

        .process-card p {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.92rem;
            margin: 0;
        }

        /* ===== Feature Band ===== */
        .section-feature-band {
            background: linear-gradient(100deg, #0b1220 0%, rgba(11, 18, 32, 0.94) 55%, rgba(11, 18, 32, 0.82) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .feature-content h2 {
            font-size: 2.3rem;
            font-weight: 750;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .feature-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.04rem;
            max-width: 560px;
            margin-bottom: 28px;
        }

        .feature-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: 0 6px 16px rgba(2, 12, 27, 0.04);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item[open] {
            box-shadow: var(--shadow);
            border-color: rgba(37, 99, 235, 0.3);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            cursor: pointer;
            list-style: none;
            padding: 22px 26px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            transition: color var(--transition);
        }

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

        .faq-item summary i {
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.05rem;
            transition: transform var(--transition);
        }

        .faq-item[open] summary i {
            transform: rotate(180deg);
        }

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

        .faq-a {
            padding: 0 26px 24px;
            color: var(--text-weak);
            font-size: 0.96rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .section-cta {
            padding: 100px 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .section-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(4, 12, 30, 0.92), rgba(8, 30, 55, 0.82));
        }

        .cta-box {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }

        .cta-box h2 {
            font-size: 2.6rem;
            font-weight: 750;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.08rem;
            margin-bottom: 32px;
        }

        .cta-note {
            margin-top: 18px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #081020;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.9fr 1.1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

        .footer-brand .brand {
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand p {
            max-width: 360px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.58);
            margin: 16px 0 0;
        }

        .footer-links h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 650;
            margin-bottom: 18px;
        }

        .footer-links ul {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.64);
            font-size: 0.93rem;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.93rem;
            color: rgba(255, 255, 255, 0.64);
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--secondary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            text-align: center;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .section-intro,
            .section-cats,
            .section-list,
            .section-process,
            .section-feature-band,
            .section-faq,
            .section-cta {
                padding: 76px 0;
            }

            .page-hero h1 {
                font-size: 3.1rem;
            }

            .section-head h2 {
                font-size: 2.1rem;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .menu-toggle {
                display: flex;
            }

            .nav-capsule {
                padding: 10px 12px 10px 18px;
            }

            .nav-menu {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 24px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
                padding: 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
                display: none;
                z-index: 1100;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 6px;
            }

            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 14px 18px;
            }

            .btn-nav {
                justify-content: center;
                margin-top: 6px;
            }

            .page-hero {
                padding: 120px 0 90px;
            }

            .page-hero h1 {
                font-size: 2.7rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767.98px) {
            .section-intro,
            .section-cats,
            .section-list,
            .section-process,
            .section-feature-band,
            .section-faq,
            .section-cta {
                padding: 62px 0;
            }

            .page-hero {
                padding: 100px 0 72px;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                flex: 1;
            }

            .section-head {
                margin-bottom: 38px;
            }

            .section-head h2 {
                font-size: 1.75rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-card {
                padding: 22px 16px;
            }

            .stat-num {
                font-size: 1.9rem;
            }

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

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .brand {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                border-radius: 11px;
            }

            .page-hero h1 {
                font-size: 1.85rem;
            }

            .page-hero p {
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
            }

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

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-num {
                font-size: 1.6rem;
            }

            .cta-box h2 {
                font-size: 1.8rem;
            }

            .section-feature-band h2 {
                font-size: 1.7rem;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #14213d;
  --primary-2: #1f3057;
  --primary-light: #334a78;
  --accent: #f5a623;
  --accent-dark: #d98e10;
  --accent-light: #ffd489;
  --bg: #f5f7fb;
  --bg-light: #eef1f8;
  --white: #ffffff;
  --text: #1c2b45;
  --text-muted: #66738b;
  --border: #e3e8f2;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 14px rgba(20, 33, 61, 0.05);
  --shadow: 0 14px 40px rgba(20, 33, 61, 0.09);
  --shadow-lg: 0 24px 64px rgba(20, 33, 61, 0.14);
  --space-section: 92px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", 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-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: var(--accent);
}
button,
input {
  font-family: inherit;
  border: none;
  outline: none;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}
.text-accent {
  color: var(--accent) !important;
}
.text-muted-c {
  color: var(--text-muted) !important;
}
.section {
  padding: var(--space-section) 0;
  position: relative;
}
.section-sm {
  padding: 52px 0;
}

/* 导航胶囊 */
.site-header {
  position: relative;
  z-index: 1050;
  padding-top: 22px;
}
.nav-capsule {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 60px;
  box-shadow: var(--shadow-sm);
  padding: 10px 18px 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: box-shadow 0.35s ease, background 0.35s ease;
}
.nav-capsule:hover {
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.94);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  line-height: 1.2;
  white-space: nowrap;
}
.brand:hover {
  color: var(--primary);
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 6px 16px rgba(20, 33, 61, 0.25);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.nav-links li a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  transition: all 0.3s ease;
}
.nav-links li a:hover {
  background: rgba(245, 166, 35, 0.12);
  color: var(--accent-dark);
}
.nav-links li a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(20, 33, 61, 0.2);
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 9px 22px;
  border-radius: 30px;
  box-shadow: 0 6px 18px rgba(245, 166, 35, 0.35);
  transition: all 0.3s ease;
  white-space: nowrap;
}
.btn-nav:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(245, 166, 35, 0.42);
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.menu-toggle:hover {
  background: var(--accent);
  color: var(--primary);
}

/* 页面横幅 */
.page-hero {
  background: linear-gradient(135deg, rgba(20, 33, 61, 0.92), rgba(31, 48, 87, 0.78)), url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  padding: 96px 0 84px;
  margin-top: -72px;
  border-radius: 0 0 32px 32px;
  position: relative;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 22px;
}
.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.86);
}
.hero-breadcrumb a:hover {
  color: var(--accent-light);
}
.hero-breadcrumb i {
  font-size: 12px;
  opacity: 0.7;
}
.page-hero h1 {
  font-size: 2.9rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.25;
  margin-bottom: 16px;
}
.page-hero .hero-desc {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-tag {
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 通用标题 */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-dark);
  background: rgba(245, 166, 35, 0.12);
  padding: 6px 16px;
  border-radius: 30px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}
.divider-line {
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  margin: 18px auto 0;
}

/* 概览区块 */
.intro-band {
  padding: var(--space-section) 0 40px;
}
.intro-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 44px;
  border: 1px solid var(--border);
  height: 100%;
  transition: box-shadow 0.35s ease;
}
.intro-card:hover {
  box-shadow: var(--shadow);
}
.intro-card h3 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.intro-card p {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 20px;
}
.intro-card .feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.intro-card .feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--border);
}
.intro-card .feature-list li:last-child {
  border-bottom: none;
}
.intro-card .feature-list i {
  color: var(--accent);
  margin-top: 5px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 30px 22px;
  text-align: center;
  height: 100%;
  transition: all 0.35s ease;
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(245, 166, 35, 0.4);
}
.stat-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}
.stat-num span {
  font-size: 1.4rem;
  color: var(--accent);
  margin-left: 2px;
}
.stat-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* 数据模块卡片 */
.module-section {
  background: var(--white);
}
.module-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: all 0.35s ease;
}
.module-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-8px);
}
.module-card .card-img-wrap {
  position: relative;
  overflow: hidden;
  height: 190px;
}
.module-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.module-card:hover .card-img-wrap img {
  transform: scale(1.06);
}
.card-img-wrap .card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(20, 33, 61, 0.82);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: 5px 14px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 600;
  z-index: 2;
}
.module-card .card-body-c {
  padding: 24px;
}
.module-card .card-body-c h5 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.module-card .card-body-c p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}
.card-link-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-dark);
  transition: gap 0.3s ease;
}
.card-link-line:hover {
  gap: 12px;
  color: var(--primary);
}

/* 最新数据报告 */
.report-section {
  background: var(--bg);
}
.report-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.35s ease;
}
.report-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}
.report-card .report-img {
  height: 210px;
  overflow: hidden;
  position: relative;
}
.report-card .report-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.report-card:hover .report-img img {
  transform: scale(1.05);
}
.report-card .report-meta {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(245, 166, 35, 0.92);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 30px;
  z-index: 2;
}
.report-card .report-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.report-card .report-body h5 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 10px;
  flex: 1;
}
.report-card .report-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.report-card .report-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}
.report-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.report-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent-dark);
  transition: all 0.3s ease;
}
.report-btn:hover {
  color: var(--primary);
  gap: 10px;
}

/* 分析方法流程 */
.process-section {
  background: var(--primary);
  border-radius: 32px;
  margin: var(--space-section) 24px;
  padding: 76px 0;
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(245, 166, 35, 0.08);
  transform: translate(120px, -120px);
}
.process-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  transform: translate(-90px, 90px);
}
.process-section .section-head h2 {
  color: #fff;
}
.process-section .section-head p {
  color: rgba(255, 255, 255, 0.75);
}
.process-section .eyebrow {
  background: rgba(245, 166, 35, 0.16);
  color: var(--accent-light);
}
.process-section .divider-line {
  background: linear-gradient(90deg, var(--accent), rgba(255, 255, 255, 0.4));
}
.process-step {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 26px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(6px);
  height: 100%;
  transition: all 0.35s ease;
}
.process-step:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(245, 166, 35, 0.5);
  transform: translateY(-6px);
}
.process-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(245, 166, 35, 0.35);
}
.process-step h5 {
  color: #fff;
  font-size: 1.06rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.process-step p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}
.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.6rem;
  height: 100%;
}

/* FAQ */
.faq-section {
  background: var(--white);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-card:hover {
  border-color: rgba(245, 166, 35, 0.4);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  text-align: left;
  transition: background 0.25s ease;
}
.faq-question:hover {
  background: rgba(245, 166, 35, 0.04);
}
.faq-question i {
  color: var(--accent);
  transition: transform 0.3s ease;
}
.faq-card.open .faq-question i {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 22px 18px;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.85;
}

/* CTA */
.cta-band {
  padding: 72px 0;
  background: linear-gradient(120deg, rgba(20, 33, 61, 0.96), rgba(31, 48, 87, 0.9)), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  margin-top: var(--space-section);
  position: relative;
  overflow: hidden;
}
.cta-band .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(245, 166, 35, 0.08);
  transform: translate(-50%, -50%);
}
.cta-band h2 {
  color: #fff;
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.04rem;
  max-width: 580px;
  margin: 0 auto 30px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 40px;
  transition: all 0.3s ease;
}
.btn-accent {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 10px 30px rgba(245, 166, 35, 0.36);
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-3px);
}
.btn-outline-light {
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-3px);
  color: #fff;
}

/* 页脚 */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.72);
  padding-top: 70px;
  padding-bottom: 30px;
  border-radius: 32px 32px 0 0;
  margin-top: var(--space-section);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr;
  gap: 42px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 26px;
}
.footer-brand .brand {
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 380px;
  margin-top: 8px;
}
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-links h4::after,
.footer-contact h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links ul li {
  margin-bottom: 10px;
}
.footer-links ul li a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links ul li a:hover {
  color: var(--accent-light);
  padding-left: 6px;
}
.footer-links ul li a::before {
  content: "›";
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1;
}
.footer-contact p {
  margin-bottom: 10px;
  font-size: 0.94rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact p i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  padding-top: 8px;
}

/* 响应式 */
@media (max-width: 1024px) {
  :root {
    --space-section: 74px;
  }
  .page-hero {
    margin-top: -60px;
    padding: 84px 0 72px;
  }
  .page-hero h1 {
    font-size: 2.3rem;
  }
  .intro-card {
    padding: 30px;
  }
  .process-section {
    margin: var(--space-section) 16px;
  }
}
@media (max-width: 768px) {
  .nav-capsule {
    padding: 10px 14px;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 24px;
    right: 24px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 20px;
    gap: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px) scale(0.98);
    transition: all 0.35s ease;
  }
  .nav-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .nav-links li a {
    display: block;
    padding: 12px 18px;
  }
  .btn-nav {
    justify-content: center;
  }
  .site-header {
    padding-top: 14px;
  }
  .page-hero {
    margin-top: -56px;
    padding: 72px 0 60px;
    border-radius: 0 0 22px 22px;
  }
  .page-hero h1 {
    font-size: 1.9rem;
  }
  .page-hero .hero-desc {
    font-size: 0.98rem;
  }
  .section-head h2 {
    font-size: 1.7rem;
  }
  .intro-card {
    padding: 24px;
  }
  .stat-num {
    font-size: 2rem;
  }
  .process-section {
    border-radius: 18px;
    margin: var(--space-section) 10px;
    padding: 52px 0;
  }
  .process-section .section-head {
    margin-bottom: 32px;
  }
  .process-step {
    margin-bottom: 16px;
  }
  .process-arrow {
    display: none;
  }
  .cta-band {
    border-radius: 18px;
    margin: var(--space-section) 10px 0;
    padding: 56px 20px;
  }
  .cta-band h2 {
    font-size: 1.65rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer {
    border-radius: 22px 22px 0 0;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-hero h1 {
    font-size: 1.6rem;
  }
  .hero-tags {
    flex-wrap: wrap;
  }
  .module-card .card-img-wrap {
    height: 160px;
  }
  .report-card .report-img {
    height: 170px;
  }
  .stat-card {
    padding: 20px 12px;
  }
  .stat-num {
    font-size: 1.7rem;
  }
  .section {
    padding: 58px 0;
  }
  .section-head h2 {
    font-size: 1.45rem;
  }
  .intro-card h3 {
    font-size: 1.3rem;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-custom {
    justify-content: center;
  }
  .footer-grid {
    gap: 26px;
  }
  .footer-contact p {
    font-size: 0.86rem;
    word-break: break-all;
  }
}