/* roulang page: index */
:root{
--brand-primary:#1e3a8a;--brand-secondary:#0ea5e9;--brand-accent:#f59e0b;
--brand-dark:#0f172a;--brand-bg:#f0f4fa;--brand-white:#fff;
--brand-text:#1e293b;--brand-text-light:#64748b;--brand-border:#e2e8f0;
--radius-lg:22px;--radius-md:14px;--radius-sm:10px;
--shadow-sm:0 2px 10px rgba(15,23,42,.06);--shadow-md:0 10px 35px rgba(15,23,42,.08);--shadow-lg:0 25px 60px rgba(15,23,42,.12);
--spacing-section:110px;--spacing-section-sm:60px;
}
*,*::before,*::after{box-sizing:border-box}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#f8fafc;color:var(--brand-text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--brand-primary);text-decoration:none;transition:color .25s}
a:hover{color:var(--brand-secondary)}
img{max-width:100%;height:auto}
button,input,select{outline:none}
.container{max-width:1200px}

/* Header */
.site-header{background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.8);position:sticky;top:0;z-index:1040}
.site-header .navbar{padding:14px 0}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;font-size:16px;margin-right:10px;box-shadow:0 4px 14px rgba(30,58,138,.25)}
.brand-text{font-size:20px;font-weight:700;color:var(--brand-dark);letter-spacing:.5px}
.navbar .nav-link{font-size:15px;font-weight:500;color:var(--brand-text);padding:8px 18px!important;border-radius:var(--radius-sm);transition:background .2s,color .2s}
.navbar .nav-link:hover{background:rgba(30,58,138,.06);color:var(--brand-primary)}
.navbar .nav-link.active{background:rgba(30,58,138,.1);color:var(--brand-primary);font-weight:600}
.navbar-toggler{border:none;padding:6px 10px;border-radius:8px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(30,58,138,.15)}
.btn-brand{background:var(--brand-primary);color:#fff!important;border:none;padding:10px 24px;border-radius:12px;font-weight:600;font-size:15px;transition:all .25s}
.btn-brand:hover{background:#15306f;transform:translateY(-2px);box-shadow:0 8px 25px rgba(30,58,138,.3)}
.btn-brand-light{background:#fff;color:var(--brand-primary)!important;border:none;padding:12px 30px;border-radius:12px;font-weight:600;font-size:16px;transition:all .25s;box-shadow:0 4px 15px rgba(0,0,0,.1)}
.btn-brand-light:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.15)}
.btn-outline-light{border:2px solid rgba(255,255,255,.8);color:#fff;padding:10px 24px;border-radius:12px;font-weight:600;transition:all .25s}
.btn-outline-light:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 32px;font-size:16px}

/* Hero */
.hero-section{position:relative;padding:120px 0 110px;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 55%,#0ea5e9 100%);overflow:hidden;border-radius:0 0 40px 40px}
.hero-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') no-repeat center center/cover;opacity:.25}
.hero-section .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;padding:6px 16px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:30px;color:#fff;font-size:13px;font-weight:500;letter-spacing:1px;backdrop-filter:blur(8px);margin-bottom:22px}
.hero-section h1{font-size:clamp(32px,4.5vw,54px);font-weight:800;color:#fff;line-height:1.25;letter-spacing:1px;margin-bottom:18px}
.hero-desc{font-size:clamp(16px,1.6vw,20px);color:rgba(255,255,255,.85);max-width:560px;margin-bottom:32px;line-height:1.8}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.85);font-size:14px}
.hero-trust i{color:var(--brand-accent)}
.hero-visual{position:relative;text-align:center}
.hero-cover{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-height:360px;object-fit:cover;width:100%}
.hero-float-card{position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);background:#fff;border-radius:16px;padding:12px 22px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-md);font-size:14px;font-weight:600;color:var(--brand-text);white-space:nowrap}
.hero-float-card i{color:#22c55e}
@media(max-width:991px){.hero-section{padding:80px 0 70px}}

/* Section */
.section{padding:var(--spacing-section) 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 55px}
.section-tag{display:inline-block;padding:5px 16px;background:rgba(30,58,138,.08);color:var(--brand-primary);border-radius:30px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:14px}
.section-head h2{font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--brand-dark);margin-bottom:12px}
.section-head p{color:var(--brand-text-light);font-size:16px;margin-bottom:0}

/* Feature Cards */
.feature-card{background:#fff;border:1px solid var(--brand-border);border-radius:var(--radius-md);padding:34px 26px;height:100%;transition:all .3s;position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-primary),var(--brand-secondary));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.feature-card:hover::after{transform:scaleX(1)}
.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-6px);border-color:transparent}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,rgba(30,58,138,.1),rgba(14,165,233,.1));color:var(--brand-primary);font-size:24px;margin-bottom:20px;transition:all .3s}
.feature-card:hover .feature-icon{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff}
.feature-card h3{font-size:19px;font-weight:600;color:var(--brand-dark);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--brand-text-light);line-height:1.7;margin-bottom:0}

/* Category */
.section-category{background:var(--brand-white);border-top:1px solid var(--brand-border);border-bottom:1px solid var(--brand-border)}
.category-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--brand-border);border-radius:var(--radius-lg);overflow:hidden;height:100%;transition:all .35s;box-shadow:var(--shadow-sm)}
.category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:transparent}
.category-cover{width:100%;height:210px;object-fit:cover;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.category-body{padding:28px 28px 30px}
.category-body .badge-custom{display:inline-block;padding:4px 14px;background:var(--brand-accent);color:#fff;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:14px}
.category-body h3{font-size:22px;font-weight:700;color:var(--brand-dark);margin-bottom:10px}
.category-body p{font-size:14px;color:var(--brand-text-light);line-height:1.7;margin-bottom:18px}
.category-link{font-size:15px;font-weight:600;color:var(--brand-primary);display:inline-flex;align-items:center;gap:8px;transition:gap .25s}
.category-card:hover .category-link{gap:14px}
.category-panel{background:linear-gradient(135deg,#0f172a,#1e3a8a);border-radius:var(--radius-lg);padding:38px 36px;height:100%;color:#fff;display:flex;flex-direction:column;justify-content:center}
.category-panel h4{font-size:20px;font-weight:700;margin-bottom:22px}
.category-panel ul{list-style:none;padding:0;margin:0}
.category-panel li{display:flex;align-items:center;gap:12px;padding:10px 0;font-size:15px;color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.1)}
.category-panel li:last-child{border-bottom:none}
.category-panel li i{color:var(--brand-accent);font-size:16px}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#fff;border:1px solid var(--brand-border);border-radius:var(--radius-md);padding:26px 24px;transition:all .35s;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent}
.news-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.news-cat{display:inline-block;padding:4px 12px;background:rgba(30,58,138,.08);color:var(--brand-primary);border-radius:20px;font-size:12px;font-weight:600}
.news-date{font-size:13px;color:var(--brand-text-light)}
.news-date i{margin-right:4px}
.news-title{font-size:17px;font-weight:600;color:var(--brand-dark);line-height:1.5;margin-bottom:10px;display:block;transition:color .2s}
.news-card:hover .news-title{color:var(--brand-primary)}
.news-desc{font-size:14px;color:var(--brand-text-light);line-height:1.65;margin-bottom:16px;flex-grow:1}
.news-more{font-size:14px;font-weight:600;color:var(--brand-primary);display:inline-flex;align-items:center;gap:6px;transition:gap .25s}
.news-card:hover .news-more{gap:12px}
.empty-tip{grid-column:1/-1;background:#fff;border:1px dashed var(--brand-border);border-radius:var(--radius-md);padding:50px;text-align:center;color:var(--brand-text-light);font-size:15px}
@media(max-width:991px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.news-grid{grid-template-columns:1fr}}

/* Stats */
.section-stats{background:linear-gradient(135deg,#0f172a,#1e3a8a);padding:70px 0}
.stats-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stats-num{font-size:clamp(30px,4vw,46px);font-weight:800;color:#fff;line-height:1.3}
.stats-num span{font-size:20px;color:var(--brand-accent)}
.stats-label{font-size:14px;color:rgba(255,255,255,.75);margin-top:6px}
@media(max-width:768px){.stats-wrap{grid-template-columns:repeat(2,1fr)}}

/* Steps */
.step-card{background:#fff;border:1px solid var(--brand-border);border-radius:var(--radius-md);padding:34px 26px;text-align:center;height:100%;transition:all .3s;position:relative}
.step-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.step-card h3{font-size:18px;font-weight:600;color:var(--brand-dark);margin-bottom:10px}
.step-card p{font-size:14px;color:var(--brand-text-light);margin-bottom:0}

/* Tip Banner */
.tip-banner{position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:60px 50px;background:linear-gradient(135deg,rgba(15,23,42,.88),rgba(30,58,138,.85)),url('/assets/images/backpic/back-2.png') no-repeat center center/cover}
.tip-content{max-width:560px}
.tip-content h3{font-size:28px;font-weight:700;color:#fff;margin-bottom:14px}
.tip-content p{font-size:15px;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:24px}
.tip-content .btn-brand{background:var(--brand-accent);color:#0f172a!important}
.tip-content .btn-brand:hover{background:#e6a00e;box-shadow:0 8px 25px rgba(245,158,11,.4)}

/* FAQ */
.section-faq{background:var(--brand-white);border-top:1px solid var(--brand-border)}
.accordion-item{border:1px solid var(--brand-border)!important;border-radius:var(--radius-md)!important;margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow-sm)}
.accordion-button{font-size:16px;font-weight:600;color:var(--brand-dark);padding:18px 24px;background:#fff}
.accordion-button:not(.collapsed){background:rgba(30,58,138,.05);color:var(--brand-primary)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(30,58,138,.15)}
.accordion-body{padding:0 24px 22px;font-size:15px;color:var(--brand-text-light);line-height:1.8}
.accordion-button::after{background-size:16px}

/* CTA */
.section-cta{padding:80px 0}
.cta-box{background:linear-gradient(135deg,var(--brand-primary),#0ea5e9);border-radius:var(--radius-lg);padding:60px 40px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-60px;right:-60px;width:220px;height:220px;background:rgba(255,255,255,.08);border-radius:50%}
.cta-box::after{content:'';position:absolute;bottom:-80px;left:-40px;width:180px;height:180px;background:rgba(255,255,255,.06);border-radius:50%}
.cta-box h2{font-size:30px;font-weight:700;color:#fff;margin-bottom:12px;position:relative;z-index:1}
.cta-box p{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:28px;position:relative;z-index:1}

/* Footer */
.site-footer{background:var(--brand-dark);padding:70px 0 0;color:rgba(255,255,255,.7)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px}
.footer-links h4,.footer-contact h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links ul{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:color .2s}
.footer-links a:hover{color:var(--brand-accent)}
.footer-contact p{font-size:14px;line-height:1.8;margin-bottom:8px}
.footer-bottom{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:30px}}

/* Media Queries */
@media(max-width:1024px){
  .section{padding:80px 0}
  .hero-section{padding:90px 0}
  .container{max-width:100%;padding-left:20px;padding-right:20px}
}
@media(max-width:768px){
  :root{--spacing-section:60px}
  .section{padding:60px 0}
  .hero-section{padding:65px 0;border-radius:0 0 24px 24px}
  .hero-trust{flex-direction:column;gap:10px}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{width:100%;text-align:center}
  .brand-text{font-size:17px}
  .tip-banner{padding:40px 25px}
  .cta-box{padding:45px 24px}
  .cta-box h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .stats-wrap{grid-template-columns:1fr 1fr;gap:20px}
  .news-grid{grid-template-columns:1fr}
  .category-body{padding:20px}
  .step-card{padding:26px 18px}
  .section-head{margin-bottom:35px}
  .section-head h2{font-size:24px}
}

/* roulang page: article */
:root {
    --primary: #0b2545;
    --primary-light: #13315c;
    --primary-soft: #eef3fa;
    --accent: #d4a542;
    --accent-dark: #b8862f;
    --bg: #f5f7fb;
    --surface: #ffffff;
    --text: #1b2a41;
    --text-weak: #5f7186;
    --border: #e2e8f0;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow: 0 8px 30px rgba(11, 37, 69, 0.08);
    --shadow-sm: 0 2px 10px rgba(11, 37, 69, 0.06);
    --transition: all 0.25s ease;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    height: auto;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--accent-dark);
}
.container {
    max-width: 1200px;
}
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}
.btn:focus,
.btn:active:focus,
.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(11, 37, 69, 0.15);
}
.btn-brand {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 22px;
}
.btn-brand:hover,
.btn-brand:focus {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(11, 37, 69, 0.25);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 22px;
}
.btn-accent:hover,
.btn-accent:focus {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 165, 66, 0.35);
}
.badge {
    border-radius: 6px;
    font-weight: 500;
    letter-spacing: 0.3px;
}
.badge-category {
    background: rgba(11, 37, 69, 0.08);
    color: var(--primary);
    padding: 6px 14px;
}
.badge-accent {
    background: var(--accent);
    color: #fff;
}
/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 2px 12px rgba(11, 37, 69, 0.04);
}
.site-header .navbar {
    padding-top: 0;
    padding-bottom: 0;
    min-height: 68px;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--primary) !important;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(11, 37, 69, 0.2);
}
.brand-text {
    font-size: 20px;
    letter-spacing: 1px;
}
.navbar .nav-link {
    color: var(--text);
    font-weight: 500;
    padding: 8px 18px !important;
    border-radius: 8px;
    position: relative;
}
.navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}
.navbar .nav-link:hover {
    color: var(--primary);
}
.navbar .nav-link:hover::after {
    transform: scaleX(1);
}
.navbar .nav-link.active {
    color: var(--primary);
    font-weight: 700;
}
.navbar .nav-link.active::after {
    transform: scaleX(1);
}
.navbar-toggler {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 10px;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(11, 37, 69, 0.12);
}
.navbar-toggler-icon {
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(11,37,69,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    padding: 90px 0 70px;
    background: linear-gradient(135deg, rgba(11, 37, 69, 0.94) 0%, rgba(19, 49, 92, 0.86) 55%, rgba(11, 37, 69, 0.92) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    color: #fff;
    overflow: hidden;
}
.article-hero::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 165, 66, 0.25) 0%, transparent 70%);
    pointer-events: none;
}
.article-hero::after {
    content: "";
    position: absolute;
    bottom: -100px;
    left: 10%;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.article-hero .container {
    position: relative;
    z-index: 2;
}
.breadcrumb-custom {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 14px;
    margin-bottom: 22px;
    color: rgba(255, 255, 255, 0.75);
}
.breadcrumb-custom a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}
.breadcrumb-custom a:hover {
    color: var(--accent);
}
.breadcrumb-custom .sep {
    opacity: 0.5;
}
.article-hero .badge-category {
    background: rgba(212, 165, 66, 0.2);
    color: var(--accent);
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 20px;
}
.article-hero h1 {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.35;
    margin: 18px 0 14px;
    max-width: 800px;
}
.article-hero .post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
}
.article-hero .post-meta i {
    margin-right: 5px;
    color: var(--accent);
}
/* ===== Article Main ===== */
.article-main {
    padding: 50px 0 60px;
}
.article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}
.post-content {
    font-size: 16px;
    line-height: 1.95;
    color: #2d3d55;
}
.post-content h1,
.post-content h2,
.post-content h3 {
    margin-top: 1.6em;
    margin-bottom: 0.8em;
    color: var(--primary);
    font-weight: 700;
}
.post-content h2 {
    font-size: 24px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-soft);
}
.post-content h3 {
    font-size: 20px;
}
.post-content p {
    margin-bottom: 1.15em;
}
.post-content img {
    border-radius: var(--radius);
    margin: 1.4em 0;
}
.post-content ul,
.post-content ol {
    padding-left: 1.4em;
    margin-bottom: 1.2em;
}
.post-content ul li,
.post-content ol li {
    margin-bottom: 0.45em;
}
.post-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--primary-soft);
    border-radius: 0 10px 10px 0;
    padding: 16px 20px;
    margin: 1.4em 0;
    color: var(--primary);
    font-style: italic;
}
.post-not-found {
    padding: 60px 0;
    text-align: center;
}
.post-not-found .icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 20px;
}
.post-not-found h4 {
    color: var(--text);
    margin-bottom: 16px;
}
/* ===== Sidebar ===== */
.sidebar {
    position: sticky;
    top: 88px;
}
.side-widget {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 22px;
    box-shadow: var(--shadow-sm);
}
.side-widget-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-soft);
}
.side-widget-title i {
    color: var(--accent);
}
.side-widget-guide {
    background: linear-gradient(145deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 22px;
    position: relative;
    overflow: hidden;
}
.side-widget-guide::after {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(212, 165, 66, 0.25);
}
.side-widget-guide h5 {
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}
.side-widget-guide p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.side-widget-guide .btn {
    position: relative;
    z-index: 1;
}
.side-post-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.side-post-list li {
    border-bottom: 1px solid var(--bg);
    padding: 10px 0;
}
.side-post-list li:last-child {
    border-bottom: none;
}
.side-post-list a {
    display: flex;
    flex-direction: column;
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}
.side-post-list a:hover {
    color: var(--primary);
}
.side-post-list .post-date {
    font-size: 12px;
    color: var(--text-weak);
    margin-top: 4px;
}
.side-post-list .post-date i {
    margin-right: 4px;
}
.help-card {
    background: #f8f6f1;
    border: 1px solid #ece4d4;
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
}
.help-card i {
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 12px;
}
.help-card h6 {
    font-weight: 700;
    color: var(--primary);
}
.help-card p {
    font-size: 13px;
    color: var(--text-weak);
}
/* ===== Guide Section ===== */
.guide-section {
    padding: 60px 0;
    background: var(--primary-soft);
}
.section-title {
    text-align: center;
    margin-bottom: 44px;
}
.section-title .sub-label {
    display: inline-block;
    background: rgba(212, 165, 66, 0.12);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 18px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.section-title h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}
.section-title p {
    color: var(--text-weak);
    max-width: 620px;
    margin: 0 auto;
    font-size: 15px;
}
.guide-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(212, 165, 66, 0.4);
}
.guide-card .guide-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    font-size: 20px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
}
.guide-card h5 {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.guide-card p {
    font-size: 14px;
    color: var(--text-weak);
    margin-bottom: 14px;
}
.guide-card .guide-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.guide-card .guide-link:hover {
    gap: 10px;
}
/* ===== FAQ ===== */
.faq-section {
    padding: 60px 0;
}
.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius) !important;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.accordion-button {
    font-weight: 700;
    color: var(--primary);
    font-size: 16px;
    padding: 18px 22px;
    background: var(--surface);
}
.accordion-button:not(.collapsed) {
    background: var(--primary-soft);
    color: var(--primary);
    box-shadow: none;
}
.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(11, 37, 69, 0.1);
    border-radius: var(--radius);
}
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230b2545'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.accordion-body {
    font-size: 15px;
    color: var(--text-weak);
    padding: 0 22px 20px;
    line-height: 1.8;
}
/* ===== CTA ===== */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #081c33 0%, var(--primary) 55%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    opacity: 0.08;
    pointer-events: none;
}
.cta-section .container {
    position: relative;
    z-index: 2;
}
.cta-box {
    text-align: center;
    color: #fff;
}
.cta-box h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-box p {
    color: rgba(255, 255, 255, 0.72);
    max-width: 600px;
    margin: 0 auto 28px;
    font-size: 16px;
}
.cta-box .btn-accent {
    padding: 14px 36px;
    font-size: 16px;
    border-radius: 12px;
}
/* ===== Footer ===== */
.site-footer {
    background: #081c33;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand h3 {
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
    line-height: 1.7;
}
.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 8px;
}
.footer-links h4::after,
.footer-contact h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.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, 0.65);
    font-size: 14px;
    transition: var(--transition);
}
.footer-links ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-contact p {
    font-size: 14px;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.6);
}
.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom p {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-main .col-lg-8,
    .article-main .col-lg-4 {
        padding-left: 12px;
        padding-right: 12px;
    }
    .article-card {
        padding: 30px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    .site-header .navbar {
        min-height: 60px;
    }
    .navbar-collapse {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 16px;
        margin-top: 10px;
        box-shadow: var(--shadow);
    }
    .navbar .nav-link {
        padding: 10px 14px !important;
    }
    .navbar .nav-link::after {
        left: 14px;
        right: 14px;
    }
    .navbar .btn-brand {
        width: 100%;
        margin-top: 10px;
    }
    .article-hero {
        padding: 60px 0 45px;
    }
    .article-hero h1 {
        font-size: 24px;
    }
    .article-main {
        padding: 30px 0 40px;
    }
    .article-card {
        padding: 22px;
    }
    .sidebar {
        position: static;
        margin-top: 28px;
    }
    .guide-section {
        padding: 40px 0;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
}
@media (max-width: 520px) {
    .article-hero .post-meta {
        flex-direction: column;
        gap: 6px;
    }
    .article-card {
        padding: 18px;
        border-radius: 16px;
    }
    .post-content {
        font-size: 15px;
    }
    .section-title {
        margin-bottom: 32px;
    }
    .cta-box .btn-accent {
        width: 100%;
    }
}

/* roulang page: category1 */
:root {
  --primary: #0e2a47;
  --primary-light: #1b4a7a;
  --accent: #e8a33d;
  --accent-hover: #d18f2a;
  --bg: #f4f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0b1f35;
  --text: #1c2333;
  --text-light: #5b6472;
  --border: #e3e9f2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(14, 42, 71, 0.06);
  --shadow-md: 0 8px 30px rgba(14, 42, 71, 0.1);
  --shadow-lg: 0 20px 50px rgba(14, 42, 71, 0.14);
  --transition: all .3s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--accent); }
ul { padding: 0; margin: 0; list-style: none; }

.container { max-width: 1200px; }

/* ===== Header ===== */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(14, 42, 71, 0.04);
}
.navbar { padding: 12px 0; }
.navbar-brand { font-weight: 700; display: flex; align-items: center; }
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  margin-right: 10px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.brand-text {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .02em;
  white-space: nowrap;
}
.navbar-nav .nav-link {
  color: var(--text);
  font-weight: 500;
  padding: 8px 18px !important;
  border-radius: 10px;
  position: relative;
  transition: var(--transition);
}
.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(14, 42, 71, 0.05);
}
.navbar-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 18px;
  right: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.navbar-toggler {
  border: 1px solid var(--border) !important;
  border-radius: 10px;
  padding: 6px 10px;
  box-shadow: none !important;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.25) !important; }

.btn-brand {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  font-weight: 600;
  border-radius: 10px;
  padding: 10px 24px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #fff;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
}
.btn-brand:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: #fff;
  border-radius: 10px;
  font-weight: 600;
  padding: 10px 24px;
  transition: var(--transition);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-outline-light:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(14, 42, 71, 0.92), rgba(27, 74, 122, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 90px 0 100px;
  color: #fff;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}
.breadcrumb {
  background: rgba(255, 255, 255, 0.12);
  display: inline-flex;
  padding: 6px 18px;
  border-radius: 30px;
  backdrop-filter: blur(6px);
  margin-bottom: 32px;
}
.breadcrumb a { color: #d6e2f0; font-size: .9rem; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb-item + .breadcrumb-item::before { color: rgba(255, 255, 255, 0.5); content: "›"; }
.breadcrumb-item.active { color: var(--accent); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(232, 163, 61, 0.18);
  border: 1px solid rgba(232, 163, 61, 0.4);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
  margin-bottom: 20px;
}
.hero-text {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
  margin-bottom: 30px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .btn { min-width: 170px; }

/* ===== Section ===== */
.section { padding: 90px 0; }
.section-cards { background: var(--bg); }
.section-steps { background: var(--bg-white); }
.section-feature { background: var(--bg); }
.section-faq { background: var(--bg-white); }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 54px; }
.section-tag {
  display: inline-block;
  background: rgba(232, 163, 61, 0.12);
  color: var(--accent-hover);
  font-size: .85rem;
  font-weight: 600;
  padding: 5px 18px;
  border-radius: 30px;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: .01em;
}
.section-head p { color: var(--text-light); font-size: 1.02rem; margin-bottom: 0; }

/* ===== Entry Cards ===== */
.entry-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px 30px;
  position: relative;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.entry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 163, 61, 0.35);
}
.entry-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: var(--shadow-md);
}
.entry-tag {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(232, 163, 61, 0.14);
  color: var(--accent-hover);
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
.entry-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.entry-card p {
  color: var(--text-light);
  font-size: .95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--primary);
  gap: 6px;
}
.card-link:hover { color: var(--accent); gap: 10px; }

/* ===== Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.step-item {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
  height: 100%;
}
.step-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: rgba(232, 163, 61, 0.3);
  line-height: 1;
  display: block;
  margin-bottom: 18px;
  font-family: Georgia, 'Times New Roman', serif;
}
.step-item h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.step-item p {
  font-size: .92rem;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ===== Feature ===== */
.feature-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.feature-list { margin-top: 28px; }
.feature-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.feature-item:last-child { border-bottom: none; }
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(232, 163, 61, 0.12);
  color: var(--accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.feature-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.feature-item p {
  font-size: .92rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* ===== Tips ===== */
.section-tips {
  background: linear-gradient(135deg, rgba(11, 31, 53, 0.95), rgba(27, 74, 122, 0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 90px 0;
  color: #fff;
}
.tips-box { max-width: 860px; margin: 0 auto; text-align: center; }
.tips-box h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.tips-box > p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  margin-bottom: 36px;
}
.tips-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  text-align: left;
}
.tips-list li {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: .95rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.tips-list li:hover { background: rgba(255, 255, 255, 0.16); border-color: rgba(232, 163, 61, 0.4); }
.tips-list i { color: var(--accent); margin-top: 4px; }

/* ===== FAQ ===== */
.accordion {
  max-width: 860px;
  margin: 0 auto;
}
.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px !important;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-button {
  font-weight: 600;
  color: var(--text);
  background: var(--bg-white);
  padding: 18px 24px;
  font-size: 1rem;
  transition: var(--transition);
}
.accordion-button:not(.collapsed) {
  background: var(--primary);
  color: #fff;
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.2);
  border-color: transparent;
}
.accordion-button::after { flex-shrink: 0; }
.accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}
.accordion-body {
  color: var(--text-light);
  font-size: .96rem;
  line-height: 1.8;
  padding: 20px 24px;
  background: var(--bg-white);
}

/* ===== CTA ===== */
.section-cta {
  padding: 70px 0;
  background: linear-gradient(135deg, rgba(11, 31, 53, 0.85), rgba(27, 74, 122, 0.8)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-box {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  backdrop-filter: blur(10px);
  max-width: 800px;
  margin: 0 auto;
}
.cta-box h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  margin-bottom: 30px;
}
.cta-box .btn { min-width: 220px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 0;
  font-size: .95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand h3 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 0;
}
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p {
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 8px;
}
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: .88rem;
}
.footer-bottom p { margin-bottom: 0; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-list { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .page-hero { padding: 60px 0 70px; }
  .page-hero h1 { font-size: 2rem; }
  .hero-text { font-size: 1rem; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 1.7rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .tips-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 1.6rem; }
  .site-header .navbar-collapse {
    background: #fff;
    border-radius: 16px;
    padding: 16px;
    margin-top: 10px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
  }
  .navbar-nav .nav-link { padding: 10px 14px !important; }
  .navbar-nav .nav-link.active::after { display: none; }
  .navbar-nav .nav-link.active {
    background: rgba(14, 42, 71, 0.06);
    border-radius: 10px;
  }
  .navbar-nav .btn-brand { width: 100%; margin-top: 10px; }
}

@media (max-width: 520px) {
  .hero-actions .btn { width: 100%; }
  .steps-grid { grid-template-columns: 1fr; }
  .entry-card { padding: 28px 22px; }
  .feature-item { flex-direction: column; gap: 10px; }
  .footer-bottom p { font-size: .82rem; line-height: 1.6; }
  .brand-text { font-size: 1rem; }
  .brand-icon { width: 34px; height: 34px; }
}