*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--blue-deep:#1A3C7E;--blue:#2563A8;--blue-light:#EBF4FF;--blue-50:#F0F6FF;
--red:#C8102E;--red-light:#FFF1F1;--red-dark:#A00D24;
--white:#FFFFFF;--bg-gray:#F7FAFC;--bg-gray2:#EEF2F7;
--text:#1A202C;--text-gray:#4A5568;--text-light:#718096;
--border:#E2E8F0;--radius:12px;--radius-sm:8px;
--shadow:0 2px 12px rgba(26,60,126,.08);--shadow-lg:0 8px 30px rgba(26,60,126,.12);
--transition:all .3s cubic-bezier(.4,0,.2,1);--container:1200px
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);line-height:1.7;background:var(--white);overflow-x:hidden;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:28px;color:var(--blue-deep);font-weight:700;margin-bottom:10px}
.section-title .subtitle{color:var(--text-gray);font-size:15px}
.section-title .divider{width:50px;height:3px;background:linear-gradient(90deg,var(--red),var(--blue));margin:12px auto 0;border-radius:2px}
.section-intro{text-align:center;max-width:800px;margin:0 auto 40px;color:var(--text-gray);font-size:15px;line-height:1.8}

/* ===== Navigation ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(255,255,255,.98);box-shadow:0 1px 6px rgba(0,0,0,.06);transition:var(--transition)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{font-size:20px;font-weight:700;color:var(--blue-deep);white-space:nowrap;display:flex;align-items:center}
.nav-logo-img{height:44px;width:auto;display:block}
.nav-menu{display:flex;align-items:center;list-style:none;gap:4px}
.nav-menu>li{position:relative}
.nav-menu>li>a{display:block;padding:0 14px;line-height:64px;font-size:15px;font-weight:500;color:var(--text)}
.nav-menu>li>a:hover,.nav-menu>li>a.active{color:var(--red)}
.nav-menu>li>a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--red);transition:var(--transition)}
.nav-menu>li>a:hover::after,.nav-menu>li>a.active::after{width:60%}
.nav-dropdown{position:absolute;top:64px;left:50%;transform:translateX(-50%) translateY(10px);background:var(--white);box-shadow:var(--shadow-lg);border-radius:var(--radius-sm);min-width:200px;padding:10px 0;opacity:0;visibility:hidden;transition:var(--transition)}
.nav-menu>li:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-dropdown a{display:block;padding:8px 20px;font-size:14px;color:var(--text-gray)}
.nav-dropdown a:hover{color:var(--red);background:var(--blue-50)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--blue-deep);transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== Hero Banner ===== */
.hero{margin-top:64px;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--blue-deep) 0%,var(--blue) 100%)}
.hero-content{max-width:var(--container);margin:0 auto;padding:60px 20px;color:var(--white);position:relative;z-index:2}
.hero-content .hero-tag{display:inline-block;background:var(--red);color:var(--white);padding:6px 18px;border-radius:20px;font-size:14px;margin-bottom:16px;font-weight:500}
.hero-content h1{font-size:34px;font-weight:700;margin-bottom:16px;line-height:1.3;text-shadow:0 2px 10px rgba(0,0,0,.2)}
.hero-content p{font-size:17px;margin-bottom:8px;opacity:.9}
.hero-content .hero-btn{display:inline-block;margin-top:16px;padding:12px 32px;background:var(--red);color:var(--white);border-radius:25px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);border:none}
.hero-content .hero-btn:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 4px 15px rgba(200,16,46,.4)}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 420'%3E%3Cpath d='M0,210 Q300,100 600,210 T1200,210 L1200,420 L0,420 Z' fill='rgba(255,255,255,0.03)'/%3E%3Cpath d='M0,280 Q300,170 600,280 T1200,280 L1200,420 L0,420 Z' fill='rgba(255,255,255,0.02)'/%3E%3C/svg%3E") center/cover}

/* ===== Cert Cards (Section 2) ===== */
.cert-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);border-top:4px solid var(--blue)}
.cert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cert-card.ne{border-top-color:#3B82C4}
.cert-card.se{border-top-color:#2563A8}
.cert-card.ie{border-top-color:var(--red)}
.cert-card-header{padding:24px 24px 16px;text-align:center}
.cert-level-badge{display:inline-block;padding:4px 14px;border-radius:16px;font-size:12px;font-weight:600;margin-bottom:12px}
.cert-level-badge.ne{background:#E3F2FD;color:#1565C0}
.cert-level-badge.se{background:var(--blue-light);color:var(--blue-deep)}
.cert-level-badge.ie{background:var(--red-light);color:var(--red)}
.cert-card-header h3{font-size:22px;color:var(--blue-deep);margin-bottom:4px}
.cert-card-header .cert-fullname{font-size:12px;color:var(--text-light);margin-bottom:2px}
.cert-card-header .cert-cn-name{font-size:13px;color:var(--text-gray)}
.cert-card-header .cert-position{font-size:13px;color:var(--text-light);margin-top:4px}
.cert-card-body{padding:0 24px 24px}
.cert-card-body p{font-size:14px;color:var(--text-gray);line-height:1.6;margin-bottom:12px}
.cert-card-body .cert-tags{display:flex;flex-wrap:wrap;gap:6px}
.cert-card-body .cert-tag{background:var(--blue-50);color:var(--blue);padding:3px 10px;border-radius:12px;font-size:12px}
.cert-card.ie .cert-card-body .cert-tag{background:var(--red-light);color:var(--red)}

/* ===== Compare Cards (Section 3) ===== */
.compare-section{background:var(--bg-gray)}
.compare-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.compare-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.compare-card-header{padding:16px 24px;color:var(--white);text-align:center}
.compare-card:nth-child(1) .compare-card-header{background:linear-gradient(135deg,#3B82C4,#2563A8)}
.compare-card:nth-child(2) .compare-card-header{background:linear-gradient(135deg,#2563A8,#1A3C7E)}
.compare-card:nth-child(3) .compare-card-header{background:linear-gradient(135deg,#C8102E,#E84042)}
.compare-card-header h3{font-size:18px}
.compare-card-body{padding:24px}
.compare-block{margin-bottom:20px}
.compare-block:last-child{margin-bottom:0}
.compare-block .cb-label{font-size:12px;font-weight:600;color:var(--text-light);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.compare-block .cb-label svg{width:16px;height:16px;flex-shrink:0}
.compare-block .cb-value{font-size:14px;color:var(--text);line-height:1.6}
.compare-block .cb-value .salary{font-weight:600;color:var(--red)}
.compare-notes{margin-top:24px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.compare-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-gray)}
.compare-note svg{width:18px;height:18px;flex-shrink:0}

/* ===== Tab System (Sections 4/5/7) ===== */
.tab-section{background:var(--white)}
.tab-section.alt{background:var(--bg-gray)}
.tab-nav{display:flex;justify-content:center;gap:12px;margin-bottom:32px;flex-wrap:wrap}
.tab-btn{padding:10px 28px;border:2px solid var(--border);border-radius:25px;background:var(--white);font-size:15px;font-weight:600;color:var(--text-gray);cursor:pointer;transition:var(--transition)}
.tab-btn:hover{border-color:var(--blue);color:var(--blue)}
.tab-btn.active{background:var(--blue-deep);border-color:var(--blue-deep);color:var(--white)}
.tab-panel{display:none;animation:fadeIn .4s ease}
.tab-panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Course content blocks */
.course-block{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.alt .course-block{background:var(--white)}
.course-meta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.course-meta-item{display:flex;align-items:center;gap:8px;font-size:14px}
.course-meta-item .cmi-label{color:var(--text-light);font-weight:600}
.course-meta-item .cmi-value{color:var(--blue-deep);font-weight:600}
.course-modules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.course-module{background:var(--bg-gray);border-radius:var(--radius-sm);padding:16px;border-left:3px solid var(--blue)}
.course-module .mod-name{font-size:14px;font-weight:600;color:var(--blue-deep);margin-bottom:6px}
.course-module .mod-desc{font-size:13px;color:var(--text-gray);line-height:1.5}
.course-time{text-align:center;margin-top:24px;padding:16px;background:linear-gradient(135deg,var(--blue-50),var(--blue-light));border-radius:var(--radius-sm)}
.course-time .ct-label{font-size:13px;color:var(--text-light);margin-bottom:4px}
.course-time .ct-value{font-size:16px;font-weight:600;color:var(--blue-deep)}
.exam-table{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:14px}
.exam-table th{background:var(--blue-deep);color:var(--white);padding:10px 14px;text-align:left;font-weight:600;font-size:13px}
.exam-table td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--text-gray)}
.exam-table tr:hover td{background:var(--blue-50)}
.exam-table .exam-code{font-weight:600;color:var(--blue-deep)}
.exam-note-box{padding:16px;background:var(--bg-gray);border-radius:var(--radius-sm);border-left:3px solid var(--red);font-size:13px;color:var(--text-gray);line-height:1.7}
.exam-note-box strong{color:var(--red)}
.kp-list{list-style:none;padding-left:0}
.kp-list li{padding:6px 0 6px 24px;font-size:13px;color:var(--text-gray);position:relative;line-height:1.6}
.kp-list li::before{content:'';position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.kp-list li strong{color:var(--text)}
.prep-points{list-style:none;padding-left:0;counter-reset:prep}
.prep-points li{padding:10px 0 10px 36px;font-size:14px;color:var(--text-gray);position:relative;line-height:1.6;counter-increment:prep}
.prep-points li::before{content:counter(prep);position:absolute;left:0;top:8px;width:24px;height:24px;border-radius:50%;background:var(--blue);color:var(--white);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.prep-points li strong{color:var(--text)}
.prep-timeline{display:flex;gap:16px;margin-top:20px;flex-wrap:wrap}
.prep-tl-item{flex:1;min-width:120px;background:var(--blue-50);border-radius:var(--radius-sm);padding:12px;text-align:center}
.prep-tl-item .ptl-phase{font-size:12px;color:var(--text-light);margin-bottom:4px}
.prep-tl-item .ptl-time{font-size:15px;font-weight:600;color:var(--blue-deep)}

/* ===== Target Audience (Section 6) ===== */
.target-audience{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.target-card{background:var(--white);border-radius:var(--radius-sm);padding:32px 20px;text-align:center;border:1px solid #e8e8e8;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:var(--transition)}
.target-card:hover{box-shadow:0 6px 20px rgba(26,60,126,.12);transform:translateY(-4px);border-color:var(--blue)}
.target-card .ta-icon{width:48px;height:48px;margin:0 auto 14px}
.target-card h4{font-size:16px;color:var(--text);margin-bottom:8px}
.target-card p{font-size:13px;color:#666;line-height:1.6;margin-bottom:10px}
.target-card .ta-suggest{display:inline-block;padding:3px 10px;background:var(--red-light);color:var(--red);border-radius:12px;font-size:12px;font-weight:600}

/* ===== Service Advantages (Section 8) ===== */
.advantages{background:linear-gradient(180deg,var(--blue-deep) 0%,#15306A 100%);color:var(--white)}
.advantages .section-title h2{color:var(--white)}
.advantages .section-title .subtitle{color:rgba(255,255,255,.7)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.adv-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px 20px;text-align:center;transition:var(--transition)}
.adv-card:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.adv-card .adv-icon{width:44px;height:44px;margin:0 auto 12px}
.adv-card h4{font-size:15px;margin-bottom:8px;color:var(--white)}
.adv-card p{font-size:13px;color:rgba(255,255,255,.7);line-height:1.5}
.adv-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv-highlight{background:rgba(255,255,255,.06);border-radius:var(--radius);padding:24px;border:1px solid rgba(255,255,255,.1)}
.adv-highlight h4{font-size:16px;color:var(--white);margin-bottom:8px}
.adv-highlight h4 .hl-tag{display:inline-block;font-size:11px;background:var(--red);padding:2px 8px;border-radius:10px;margin-left:6px;vertical-align:middle}
.adv-highlight p{font-size:13px;color:rgba(255,255,255,.7);line-height:1.6}

/* ===== Data Dashboard (Section 9) ===== */
.data-dashboard{background:linear-gradient(135deg,var(--blue-deep) 0%,#15306A 100%);color:var(--white)}
.data-dashboard .section-title h2{color:var(--white)}
.data-dashboard .section-title .subtitle{color:rgba(255,255,255,.7)}
.data-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:40px}
.data-stat{text-align:center;padding:24px 12px;background:rgba(255,255,255,.06);border-radius:var(--radius);border:1px solid rgba(255,255,255,.1)}
.data-stat .stat-num{font-size:32px;font-weight:700;color:var(--white);margin-bottom:4px}
.data-stat .stat-num .unit{font-size:16px;font-weight:400}
.data-stat .stat-label{font-size:13px;color:rgba(255,255,255,.7)}
.employment-box{background:rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;border:1px solid rgba(255,255,255,.12)}
.employment-box h3{font-size:18px;color:var(--white);margin-bottom:16px;text-align:center}
.employment-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.employment-stat{text-align:center}
.employment-stat .es-num{font-size:28px;font-weight:700;color:var(--white)}
.employment-stat .es-num .red-accent{color:#FF6B6B}
.employment-stat .es-label{font-size:12px;color:rgba(255,255,255,.6);margin-top:2px}
.employment-disclaimer{text-align:center;font-size:12px;color:rgba(255,255,255,.5);margin-top:8px}
.pass-note{text-align:center;font-size:13px;color:rgba(255,255,255,.6);margin-top:16px;padding:12px;background:rgba(255,255,255,.04);border-radius:var(--radius-sm)}

/* ===== FAQ (Section 10) ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--blue)}
.faq-item.active{border-color:var(--blue);box-shadow:var(--shadow)}
.faq-q{padding:16px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:500;color:var(--text)}
.faq-q .faq-icon{width:24px;height:24px;flex-shrink:0;transition:var(--transition)}
.faq-item.active .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.active .faq-a{max-height:500px}
.faq-a-inner{padding:0 24px 16px;font-size:14px;color:var(--text-gray);line-height:1.7}

/* ===== Lead Form (Section 11) ===== */
.lead-form-section{background:var(--white)}
.lead-form-wrapper{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center;max-width:1000px;margin:0 auto}
.lead-info h2{font-size:26px;color:var(--blue-deep);margin-bottom:16px}
.lead-info p{font-size:15px;color:var(--text-gray);margin-bottom:8px}
.lead-info .lead-features{list-style:none;margin-top:20px}
.lead-info .lead-features li{padding:6px 0;font-size:14px;color:var(--text);display:flex;align-items:center;gap:8px}
.lead-info .lead-features li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--red);flex-shrink:0}
.lead-form{background:var(--bg-gray);border-radius:var(--radius);padding:32px}
.lead-form .form-group{margin-bottom:16px}
.lead-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lead-form label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.lead-form label .required{color:var(--red)}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;background:var(--white);transition:var(--transition)}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(37,99,168,.1)}
.lead-form textarea{resize:vertical;min-height:70px}
.lead-form .form-btn{width:100%;padding:14px;font-size:16px;font-weight:600;color:var(--white);background:var(--red);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}
.lead-form .form-btn:hover{background:var(--red-dark)}
.lead-form .form-note{margin-top:12px;font-size:12px;color:var(--text-light);text-align:center;line-height:1.5}

/* ===== Footer ===== */
.footer{background:#0F2547;color:rgba(255,255,255,.75);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{font-size:15px;color:var(--white);margin-bottom:14px;font-weight:600}
.footer-col p{font-size:13px;line-height:1.7;margin-bottom:6px}
.footer-col ul{list-style:none}
.footer-col ul li{padding:4px 0;font-size:13px}
.footer-col ul li a{color:rgba(255,255,255,.7);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--white)}
.footer-col .footer-sub-title{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px;margin-bottom:4px}
.footer-contact p{display:flex;align-items:flex-start;gap:8px;font-size:13px;margin-bottom:6px}
.footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;opacity:.7}
.footer-qr{text-align:center;margin-top:10px}
.footer-qr .qr-box{width:100px;height:100px;background:rgba(255,255,255,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin:0 auto 6px}
.footer-qr .qr-box svg{width:60px;height:60px;opacity:.8}
.footer-qr p{font-size:12px;text-align:center}
.footer-bottom{padding:20px 0;text-align:center}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.5);margin-bottom:4px;line-height:1.6}
.footer-trademark{margin-top:8px;padding-top:10px;border-top:1px solid rgba(255,255,255,.08)}

/* ===== Breadcrumb ===== */
.breadcrumb{background:var(--bg-gray);padding:12px 0;margin-top:0}
.breadcrumb-list{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-light);flex-wrap:wrap}
.breadcrumb-list a{color:var(--blue)}
.breadcrumb-list span{color:var(--text-light)}
.breadcrumb-sep{color:var(--border)}

/* ===== Responsive ===== */
@media(max-width:1024px){
.cert-cards,.compare-cards,.course-modules{grid-template-columns:1fr}
.adv-grid{grid-template-columns:repeat(2,1fr)}
.data-stats{grid-template-columns:repeat(3,1fr)}
.employment-stats{grid-template-columns:repeat(2,1fr)}
.lead-form-wrapper{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.section{padding:40px 0}
.section-title h2{font-size:22px}
.hero-content{padding:40px 20px}
.hero-content h1{font-size:24px}
.hero-content p{font-size:14px}
.nav-menu{display:none;position:fixed;top:64px;left:0;right:0;background:var(--white);flex-direction:column;padding:12px;box-shadow:var(--shadow-lg);max-height:calc(100vh - 64px);overflow-y:auto}
.nav-menu.active{display:flex}
.nav-menu>li{width:100%}
.nav-menu>li>a{line-height:44px;border-bottom:1px solid var(--border)}
.nav-dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:0 0 0 20px;display:none}
.nav-menu>li:hover .nav-dropdown{display:block}
.nav-toggle{display:flex}
.adv-grid{grid-template-columns:1fr}
.adv-highlights{grid-template-columns:1fr}
.target-audience{grid-template-columns:repeat(2,1fr)}
.data-stats{grid-template-columns:repeat(2,1fr)}
.employment-stats{grid-template-columns:repeat(2,1fr)}
.lead-form .form-row{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.tab-btn{padding:8px 18px;font-size:14px}
.course-block{padding:20px}
.exam-table{font-size:12px}
.exam-table th,.exam-table td{padding:8px 10px}
}
@media(max-width:480px){
.hero-content h1{font-size:20px}
.data-stats{grid-template-columns:1fr}
.target-audience{grid-template-columns:1fr}
.prep-timeline{flex-direction:column}
}