/* ===== Hero ===== */
.hero{position:relative;min-height:700px;display:flex;align-items:center;overflow:hidden;background:url('/images/hero_practical.jpg') center/cover no-repeat,linear-gradient(135deg,rgba(15,23,42,.88) 0,rgba(15,23,42,.78) 50%,rgba(15,23,42,.85) 100%),linear-gradient(135deg,rgba(6,95,70,.35) 0,rgba(5,150,105,.2) 100%)}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero-glow{position:absolute;width:100%;height:100%;filter:blur(120px);top:0;right:0;left:0;bottom:0;background:linear-gradient(135deg,rgba(15,23,42,0.5) 0%,rgba(15,23,42,0.4) 50%,rgba(6,78,59,0.3) 100%)}
.hero-in{max-width:var(--max-w);margin:0 auto;padding:140px 24px;display:flex;align-items:center;gap:60px;width:100%;position:relative;z-index:1}
.hero-txt{flex:1;color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#a7f3d0;padding:8px 18px;border-radius:24px;font-size:13px;font-weight:600;margin-bottom:24px;backdrop-filter:blur(8px)}
.hero-badge::before{content:'';width:8px;height:8px;background:#6ee7b7;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}
  50%{opacity:.4}
}
.hero h1{font-size:48px;font-weight:900;line-height:1.2;margin-bottom:20px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#6ee7b7,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:18px;color:rgba(255,255,255,.75);line-height:1.7;margin-bottom:36px;max-width:520px}
.hero-btns{display:flex;gap:14px;margin-bottom:40px;flex-wrap:wrap}
.hero-nums{display:flex;gap:40px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12)}
.hero-num{text-align:center}
.hero-num b{display:block;font-size:36px;font-weight:900;color:#6ee7b7;line-height:1}
.hero-num span{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px;display:block}
.hero-vis{flex:0 0 440px;position:relative}
.hero-card-main{background:rgba(255,255,255,.08);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:32px;position:relative}
.hero-card-main h3{color:#fff;font-size:17px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.hero-feat-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.hero-feat-list li{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.85);font-size:15px;font-weight:600}
.hero-feat-list li .feat-ico{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.hero-float{position:absolute;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-radius:var(--radius-sm);padding:12px 18px;font-size:13px;font-weight:600;color:var(--text);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:8px}
.hero-f1{top:-20px;left:-30px}
.hero-f2{bottom:-20px;right:-30px}

/* ===== Full-Width Sections ===== */
.sec-full{width:100%;padding:80px 24px}
.sec-in{max-width:var(--max-w);margin:0 auto}
.sec-head{text-align:center;margin-bottom:48px}
.sec-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:6px 16px;border-radius:6px;margin-bottom:14px}
.sec-tag-g{background:var(--green-light);color:var(--green)}
.sec-tag-o{background:#fff4e6;color:var(--orange)}
.sec-tag-b{background:var(--blue-light);color:var(--blue)}
.sec-tag-p{background:#f3f0ff;color:var(--purple)}
.sec-title{font-size:36px;font-weight:900;line-height:1.3;margin-bottom:12px}
.sec-desc{font-size:16px;color:var(--text-secondary);max-width:640px;margin:0 auto;line-height:1.7}

/* ===== Stats Ribbon ===== */
.stats-ribbon{background:var(--dark);padding:0 24px;position:relative;overflow:hidden}
.stats-ribbon::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:200%;height:100%;background:linear-gradient(90deg,transparent,rgba(29,185,106,.05) 30%,rgba(29,185,106,.08) 50%,rgba(29,185,106,.05) 70%,transparent)}
.stats-ribbon-in{max-width:var(--max-w);margin:0 auto;display:flex;justify-content:space-around;padding:40px 0}
.stat-item{text-align:center;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:-40px;top:50%;transform:translateY(-50%);width:1px;height:40px;background:rgba(255,255,255,.1)}
.stat-item b{display:block;font-size:42px;font-weight:900;background:linear-gradient(135deg,#6ee7b7,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-item span{font-size:14px;color:rgba(255,255,255,.5);margin-top:4px;display:block}

/* ===== Feature Cards (4-col) ===== */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{background:#fff;border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border-light);transition:all .3s;text-align:center;position:relative;overflow:hidden}
.feat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--green-gradient);border-radius:4px 4px 0 0;opacity:0;transition:opacity .3s}
.feat-card:hover::before{opacity:1}
.feat-ico-wrap{width:64px;height:64px;border-radius:16px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:32px;margin:0 auto 18px}
.feat-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.feat-card p{font-size:14px;color:var(--text-secondary);line-height:1.7}

/* ===== Timeline ===== */
.timeline{position:relative;padding:20px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--green-light),var(--green),var(--green-light));transform:translateX(-50%);border-radius:3px}
.tl-item{display:flex;align-items:flex-start;margin-bottom:48px;position:relative}
.tl-item:last-child{margin-bottom:0}
.tl-item:nth-child(odd){flex-direction:row}
.tl-item:nth-child(2n){flex-direction:row-reverse}
.tl-content{width:45%;padding:28px;background:#fff;border-radius:var(--radius);border:1px solid var(--border-light);box-shadow:var(--shadow);transition:all .3s;position:relative}
.tl-content:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.tl-dot{position:absolute;left:50%;transform:translateX(-50%);width:48px;height:48px;border-radius:50%;background:var(--green-gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px;z-index:2;box-shadow:0 4px 12px rgba(29,185,106,.35)}
.tl-content h3{font-size:18px;font-weight:800;margin-bottom:8px;color:var(--text);display:flex;align-items:center;gap:8px}
.tl-content h3 .step-badge{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--green-light);color:var(--green);font-size:13px;font-weight:800}
.tl-content p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:12px}
.tl-tags{display:flex;flex-wrap:wrap;gap:6px}
.tl-tag{padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;background:var(--green-light);color:var(--green)}
.tl-item:nth-child(odd) .tl-content{margin-right:auto}
.tl-item:nth-child(2n) .tl-content{margin-left:auto}

/* ===== Teaching Mode Cards (warm bg) ===== */
.mode-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mode-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-light);transition:all .3s}
.mode-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.mode-card-img{height:160px;display:flex;align-items:center;justify-content:center;font-size:56px;position:relative;overflow:hidden}
.mode-card-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:40px;background:linear-gradient(transparent,#fff)}
.mode-card-body{padding:20px}
.mode-card-body h3{font-size:17px;font-weight:800;margin-bottom:6px}
.mode-card-body p{font-size:13px;color:var(--text-secondary);line-height:1.6}


/* ===== Audience Cards ===== */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.aud-card{background:#fff;border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border-light);transition:all .3s;text-align:center}
.aud-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.aud-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;font-size:36px;color:#fff;font-weight:800}
.aud-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.aud-card p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:14px}
.aud-tags{display:flex;flex-wrap:wrap;gap:4px;justify-content:center}
.aud-tag{padding:3px 10px;border-radius:4px;font-size:11px;font-weight:600;background:var(--green-light);color:var(--green)}

/* ===== Inline Form ===== */
.form-section{background:linear-gradient(135deg,#065f46 0,#059669 50%,#1db96a 100%);padding:64px 24px;position:relative;overflow:hidden}
.form-section::before{content:'';position:absolute;top:-50%;right:-10%;width:500px;height:500px;border-radius:50%;background:rgba(255,255,255,.06)}
.form-section::after{content:'';position:absolute;bottom:-30%;left:-5%;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.04)}
.form-in{max-width:700px;margin:0 auto;text-align:center;position:relative;z-index:1}
.form-in h2{font-size:32px;font-weight:900;color:#fff;margin-bottom:10px}
.form-in p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px}
.form-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.form-input{flex:1;min-width:180px;padding:14px 20px;border-radius:var(--radius-sm);border:2px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);color:#fff;font-size:15px;font-family:var(--font);backdrop-filter:blur(8px);outline:0;transition:all .2s}
.form-input::placeholder{color:rgba(255,255,255,.5)}
.form-input:focus{border-color:#fff;background:rgba(255,255,255,.2)}
.form-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px}

/* ===== CTA Banner ===== */
.cta-banner {background: linear-gradient(135deg, var(--dark) 0%, #1E3A5F 60%, #1DB96A 100%);padding: 72px 24px;text-align: center;color: #fff;position: relative;overflow: hidden}
.cta-banner::before {content: '';position: absolute;inset: 0;background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M20 20h20v20H20z'/%3E%3Cpath d='M0 0h20v20H0z'/%3E%3C/g%3E%3C/svg%3E")}
.cta-in {position: relative;z-index: 1;max-width: 640px;margin: 0 auto}
.cta-banner h2 {font-size: 36px;font-weight: 900;margin-bottom: 12px}
.cta-banner p {font-size: 17px;color: rgba(255, 255, 255, 0.7);margin-bottom: 32px}
.cta-btns {display: flex;gap: 14px;justify-content: center;flex-wrap: wrap}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hdr-in {padding: 0 16px}
  .nav {display: none}
  .hero {position: relative}
  .hero-in {flex-direction: column;padding: 48px 16px}
  .hero h1 {font-size: 30px}
  .hero-vis {flex: none;width: 100%}
  .hero-nums {gap: 20px;flex-wrap: wrap}
  .feat-grid, .mode-grid, .aud-grid {grid-template-columns:1fr 1fr}
  .timeline::before {left: 24px}
  .tl-dot {left: 24px}
  .tl-item, .tl-item:nth-child(odd), .tl-item:nth-child(even) {flex-direction: row}
  .tl-content {width: calc(100% - 60px);margin-left: 60px !important;margin-right: 0 !important}
  .ftr-in {grid-template-columns:1fr 1fr}
  .stats-ribbon-in {flex-wrap: wrap;gap: 20px}
  .form-row {flex-direction: column}
  .sec-title {font-size: 26px}
}

@media (max-width: 480px) {
  .feat-grid, .mode-grid, .aud-grid {grid-template-columns:1fr}
}