/* ============ Design Tokens ============ */
:root{
  --navy-950:#071B38;
  --navy-900:#0A2A55;
  --navy-800:#0E3A78;
  --blue-700:#0F4CB8;
  --blue-600:#1262D6;
  --blue-500:#2E7FE0;
  --sky-300:#7FB8F0;
  --sky-100:#E3EEFC;
  --gold-500:#FFB324;
  --gold-400:#FFC24D;
  --ink:#10233F;
  --muted:#5B6B82;
  --line:#DCE6F2;
  --paper:#F4F8FD;
  --white:#FFFFFF;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,42,85,.10);
  --shadow-lg:0 24px 60px rgba(7,27,56,.22);
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-display:'Noto Serif SC','Songti SC','SimSun',serif;
  --font-num:'Rajdhani','Noto Sans SC',sans-serif;
  --header-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--gold-400);color:var(--navy-950)}
:focus-visible{outline:3px solid var(--gold-500);outline-offset:2px}

/* ============ Utilities ============ */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;letter-spacing:.18em;color:var(--blue-600);text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--gold-500);border-radius:2px}
.eyebrow.on-dark{color:var(--sky-300)}
h2.title{font-family:var(--font-display);font-weight:900;font-size:clamp(30px,4vw,44px);line-height:1.25;color:var(--navy-900);letter-spacing:.02em}
.section-head{max-width:720px;margin-bottom:56px}
.section-head .lead{margin-top:16px;font-size:17px;color:var(--muted)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow::before{display:none}
.section-head.center .eyebrow{gap:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 28px;border-radius:999px;font-weight:700;font-size:16px;letter-spacing:.04em;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;white-space:nowrap}
.btn-primary{background:var(--gold-500);color:var(--navy-950);box-shadow:0 8px 22px rgba(255,179,36,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,179,36,.45)}
.btn-outline{border:2px solid rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-blue{background:var(--blue-600);color:#fff;box-shadow:0 8px 22px rgba(18,98,214,.3)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,98,214,.4)}
.text-num{font-family:var(--font-num);font-weight:700}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============ Header / Nav ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);transition:background .3s ease,box-shadow .3s ease}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 2px 18px rgba(10,42,85,.08)}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px;border-radius:50%;background:#fff;object-fit:cover}
.brand .b-name{font-family:var(--font-display);font-weight:700;font-size:18px;line-height:1.2;color:#fff;letter-spacing:.05em}
.brand .b-sub{font-size:11px;color:rgba(255,255,255,.78);letter-spacing:.1em}
.site-header.scrolled .b-name{color:var(--navy-900)}
.site-header.scrolled .b-sub{color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;font-weight:500;color:rgba(255,255,255,.88);border-radius:8px;transition:color .2s}
.site-header.scrolled .main-nav a{color:var(--ink)}
.main-nav a:hover,.main-nav a.active{color:var(--gold-400)}
.site-header.scrolled .main-nav a:hover,.site-header.scrolled .main-nav a.active{color:var(--blue-600)}
.main-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;background:var(--gold-500)}
.nav-cta{margin-left:12px}
.nav-toggle{display:none;width:46px;height:46px;align-items:center;justify-content:center;color:#fff;border-radius:8px}
.site-header.scrolled .nav-toggle{color:var(--navy-900)}
.nav-toggle svg{width:26px;height:26px}
.mobile-menu{position:fixed;inset:0;z-index:99;background:linear-gradient(160deg,var(--navy-950),var(--navy-800));display:flex;flex-direction:column;justify-content:center;gap:6px;padding:80px 32px;transform:translateX(100%);transition:transform .35s ease;visibility:hidden}
.mobile-menu.open{transform:none;visibility:visible}
.mobile-menu a{font-family:var(--font-display);font-size:26px;font-weight:700;color:#fff;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);letter-spacing:.06em}
.mobile-menu a.active{color:var(--gold-400)}
.mobile-menu .m-close{position:absolute;top:16px;right:20px;width:48px;height:48px;color:#fff}

/* ============ Hero ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-950)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,27,56,.94) 22%,rgba(7,27,56,.55) 55%,rgba(7,27,56,.28))}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse at 30% 50%,#000 30%,transparent 75%)}
.hero .container{position:relative;z-index:2;padding-top:calc(var(--header-h) + 40px);padding-bottom:80px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-size:14px;letter-spacing:.22em;color:var(--sky-300);background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.hero-eyebrow svg{width:16px;height:16px}
.hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(40px,6.4vw,72px);line-height:1.16;margin:26px 0 8px;letter-spacing:.05em}
.hero h1 .accent{color:var(--gold-400)}
.hero .slogan-en{font-family:var(--font-num);font-size:17px;letter-spacing:.5em;color:rgba(255,255,255,.6);text-transform:uppercase}
.hero p.sub{max-width:640px;margin:22px 0 34px;font-size:17px;color:rgba(255,255,255,.85);font-weight:300}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:64px;padding:28px 32px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.07);backdrop-filter:blur(10px)}
.hero-stats .stat b{display:block;font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--gold-400);line-height:1.1}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.78);letter-spacing:.08em}
.hero-path{position:absolute;right:-40px;top:16%;width:52%;height:60%;opacity:.85;pointer-events:none}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.3em;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:2}
.hero-scroll::after{content:"";width:1px;height:34px;background:linear-gradient(var(--gold-400),transparent)}

/* ============ Cards & Layout ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-img{position:relative;overflow:hidden;background:var(--paper);display:flex;align-items:center;justify-content:center}
.card-img img{width:100%;height:auto;object-fit:contain;transition:transform .6s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-img .tag{position:absolute;left:14px;top:14px;padding:5px 14px;border-radius:999px;background:var(--gold-500);color:var(--navy-950);font-size:13px;font-weight:700}
.card-body{padding:26px 26px 30px}
.card-body h3{font-size:21px;font-family:var(--font-display);font-weight:700;color:var(--navy-900);margin-bottom:10px}
.card-body p{font-size:15px;color:var(--muted)}
.card-body .more{margin-top:16px;display:inline-flex;align-items:center;gap:6px;color:var(--blue-600);font-weight:700;font-size:14px}
.card-body .more svg{width:16px;height:16px;transition:transform .2s}
.card-body .more:hover svg{transform:translateX(4px)}

/* section alt backgrounds */
.section-dark{background:linear-gradient(170deg,var(--navy-950),var(--navy-800));color:#fff;position:relative;overflow:hidden}
.section-dark .grid-line{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:72px 72px;pointer-events:none}
.section-dark h2.title{color:#fff}
.section-dark .lead{color:rgba(255,255,255,.72)}
.section-blue{background:linear-gradient(180deg,var(--sky-100),var(--paper))}
.section-paper{background:var(--paper)}

/* ============ Feature (三位一体) ============ */
.feature-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.feature-card .f-num{font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.2em;color:var(--blue-600)}
.feature-card h3{font-family:var(--font-display);font-size:22px;color:var(--navy-900);margin:8px 0 12px;font-weight:700}
.feature-card p{font-size:15px;color:var(--muted)}
.feature-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--gold-500),var(--blue-500));opacity:0;transition:opacity .3s}
.feature-card:hover::before{opacity:1}

/* ============ Icon list ============ */
.icon-list{display:grid;gap:18px}
.icon-list li{display:flex;gap:16px;align-items:flex-start}
.icon-list .ic{flex:none;width:46px;height:46px;border-radius:12px;background:var(--sky-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center}
.icon-list .ic svg{width:24px;height:24px}
.icon-list h4{font-size:16px;color:var(--navy-900);margin-bottom:4px}
.icon-list p{font-size:14px;color:var(--muted)}

/* ============ Platform (智能平台) ============ */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.platform-item{text-align:center;padding:34px 18px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:rgba(255,255,255,.05);transition:transform .3s,border-color .3s}
.platform-item:hover{transform:translateY(-6px);border-color:var(--gold-500)}
.platform-item .pic{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:var(--gold-400)}
.platform-item .pic svg{width:32px;height:32px}
.platform-item h4{font-size:17px;margin-bottom:8px;color:#fff}
.platform-item p{font-size:13px;color:rgba(255,255,255,.65);line-height:1.6}

/* ============ Split (image+text) ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{position:relative}
.split .media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;object-fit:contain;background:var(--paper)}
.split .media .badge{position:absolute;left:-14px;bottom:-14px;padding:16px 22px;background:var(--gold-500);color:var(--navy-950);border-radius:12px;font-weight:700;box-shadow:var(--shadow)}
.split .media .badge small{display:block;font-size:12px;font-weight:500;opacity:.8}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list .ck{flex:none;width:24px;height:24px;margin-top:2px;border-radius:50%;background:var(--blue-600);color:#fff;display:flex;align-items:center;justify-content:center}
.check-list .ck svg{width:14px;height:14px}
.check-list b{color:var(--navy-900);font-weight:700}

/* ============ License cards ============ */
.license-tabs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.license-tabs button{min-height:48px;padding:0 26px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-size:15px;font-weight:700;color:var(--muted);transition:all .25s}
.license-tabs button:hover{border-color:var(--blue-600);color:var(--blue-600)}
.license-tabs button.active{background:var(--navy-900);border-color:var(--navy-900);color:#fff}
.license-panel{display:none;grid-template-columns:420px 1fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.license-panel.active{display:grid}
.license-panel .lp-img img{border-radius:12px;width:100%;object-fit:contain;background:var(--paper)}
.license-panel h3{font-family:var(--font-display);font-size:26px;color:var(--navy-900);margin-bottom:10px}
.license-panel .lp-sub{color:var(--muted);margin-bottom:20px}
.level-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.level-row .lv{border:1px solid var(--line);border-radius:12px;padding:18px 16px;text-align:center;transition:border-color .25s,transform .25s}
.level-row .lv:hover{border-color:var(--blue-600);transform:translateY(-4px)}
.level-row .lv b{display:block;font-size:16px;color:var(--navy-900);margin-bottom:6px}
.level-row .lv span{font-size:13px;color:var(--muted);line-height:1.5}

/* ============ Campus ============ */
.campus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.campus-grid .card-img{background:var(--paper)}
.campus-wide .card-img{background:var(--paper)}

/* ============ Timeline (报名流程) ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:20px}
.timeline::before{content:"";position:absolute;top:26px;left:4%;right:4%;height:2px;background:repeating-linear-gradient(90deg,var(--blue-500) 0 12px,transparent 12px 22px)}
.tl-step{position:relative;text-align:center;padding-top:72px}
.tl-step .node{position:absolute;top:0;left:50%;transform:translateX(-50%);width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid var(--blue-600);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:700;font-size:20px;color:var(--blue-600);box-shadow:0 6px 16px rgba(18,98,214,.2)}
.tl-step h4{font-size:16px;color:var(--navy-900);margin-bottom:6px}
.tl-step p{font-size:13px;color:var(--muted);line-height:1.6}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:14px;overflow:hidden;transition:box-shadow .25s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 24px;font-size:16px;font-weight:700;color:var(--navy-900);min-height:56px}
.faq-q .arrow{flex:none;width:28px;height:28px;border-radius:50%;background:var(--sky-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center;transition:transform .3s}
.faq-item.open .arrow{transform:rotate(45deg);background:var(--gold-500);color:var(--navy-950)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* ============ Accordion (band types) ============ */
.batch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.batch-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.batch-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.batch-card .b-icon{width:54px;height:54px;border-radius:14px;background:var(--sky-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.batch-card .b-icon svg{width:28px;height:28px}
.batch-card h3{font-family:var(--font-display);font-size:20px;color:var(--navy-900);margin-bottom:10px}
.batch-card ul{display:grid;gap:8px}
.batch-card ul li{display:flex;gap:8px;font-size:14px;color:var(--muted)}
.batch-card ul li::before{content:"·";color:var(--gold-500);font-weight:700}
.batch-card .b-flag{position:absolute;top:0;right:0;padding:6px 16px;background:var(--gold-500);color:var(--navy-950);font-size:12px;font-weight:700;border-radius:0 0 0 12px}

/* ============ Stats banner ============ */
.stat-banner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-cell{text-align:center;padding:36px 18px}
.stat-cell b{font-family:var(--font-num);display:block;font-size:52px;font-weight:700;line-height:1.1;background:linear-gradient(120deg,var(--gold-400),var(--gold-500));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-cell span{font-size:14px;color:rgba(255,255,255,.75);letter-spacing:.06em}

/* ============ Quote ============ */
.quote-block{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:center}
.quote-block .q-img img{border-radius:var(--radius);width:100%;object-fit:contain;background:var(--paper);box-shadow:var(--shadow-lg)}
.quote-mark{font-family:var(--font-display);font-size:110px;line-height:.6;color:var(--gold-500);display:block;margin-bottom:18px}
.quote-block blockquote{font-family:var(--font-display);font-size:clamp(20px,2.6vw,30px);font-weight:600;line-height:1.6;color:var(--navy-900)}
.quote-block .q-src{margin-top:18px;font-size:14px;color:var(--muted)}

/* ============ Contact / Footer ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.contact-cards{display:grid;gap:18px}
.contact-card{display:flex;gap:18px;align-items:flex-start;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px 24px;transition:transform .25s,box-shadow .25s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.contact-card .ic{flex:none;width:50px;height:50px;border-radius:12px;background:var(--sky-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center}
.contact-card .ic svg{width:26px;height:26px}
.contact-card h4{font-size:16px;color:var(--navy-900);margin-bottom:4px}
.contact-card p{font-size:14px;color:var(--muted)}
.contact-card a.tel{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--blue-600)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form-card h3{font-family:var(--font-display);font-size:22px;color:var(--navy-900);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:700;color:var(--navy-800);letter-spacing:.04em}
.form-field input,.form-field select,.form-field textarea{min-height:46px;border:1.5px solid var(--line);border-radius:10px;padding:10px 14px;font-size:15px;font-family:inherit;color:var(--ink);background:var(--paper);transition:border-color .2s}
.form-field textarea{resize:vertical;min-height:96px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--blue-600);background:#fff}
.form-field .err{font-size:12px;color:#D64545;display:none}
.form-field.invalid input,.form-field.invalid select,.form-field.invalid textarea{border-color:#D64545}
.form-field.invalid .err{display:block}
.form-note{margin-top:14px;font-size:12px;color:var(--muted)}
.form-submit{margin-top:20px;width:100%}

/* footer */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.72);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer .grid-line{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:72px 72px}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-grid h5{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.1em}
.footer-grid a,.footer-grid p{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.66);transition:color .2s}
.footer-grid a:hover{color:var(--gold-400)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.footer-brand b{font-family:var(--font-display);font-size:17px;color:#fff}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ Toast & BackTop ============ */
#toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,80px);z-index:200;background:var(--navy-950);color:#fff;padding:14px 28px;border-radius:999px;font-size:15px;box-shadow:var(--shadow-lg);opacity:0;transition:transform .4s ease,opacity .4s ease;max-width:90vw;text-align:center}
#toast.show{transform:translate(-50%,0);opacity:1}
#toast .t-ok{color:var(--gold-400);font-weight:700;margin-right:8px}
#backtop{position:fixed;right:28px;bottom:28px;z-index:90;width:48px;height:48px;border-radius:50%;background:var(--blue-600);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s}
#backtop.show{opacity:1;visibility:visible;transform:none}
#backtop svg{width:22px;height:22px}

/* ============ Page Hero (inner pages) ============ */
.page-hero{position:relative;padding:calc(var(--header-h) + 76px) 0 84px;background:linear-gradient(150deg,var(--navy-950),var(--navy-800));color:#fff;overflow:hidden}
.page-hero .grid-line{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse at 20% 60%,#000 20%,transparent 70%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(32px,5vw,52px);letter-spacing:.04em;margin-top:18px}
.page-hero .crumb{font-size:13px;letter-spacing:.16em;color:var(--sky-300);text-transform:uppercase}
.page-hero p{max-width:680px;margin-top:16px;font-size:16px;color:rgba(255,255,255,.78);font-weight:300}

/* ============ Industry news ============ */
.news-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:28px;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card .n-date{font-family:var(--font-num);font-size:14px;color:var(--blue-600);font-weight:600;letter-spacing:.08em}
.news-card h3{font-family:var(--font-display);font-size:19px;color:var(--navy-900);margin:10px 0 12px;line-height:1.5}
.news-card p{font-size:14px;color:var(--muted);flex:1}
.news-card .n-src{margin-top:16px;font-size:12px;color:#98A6B8}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-item{display:flex;gap:14px;align-items:center;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:18px 20px;background:rgba(255,255,255,.05);transition:transform .25s,border-color .25s}
.scene-item:hover{transform:translateY(-4px);border-color:var(--gold-500)}
.scene-item .ic{flex:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);color:var(--gold-400);display:flex;align-items:center;justify-content:center}
.scene-item .ic svg{width:22px;height:22px}
.scene-item b{font-size:15px;color:#fff}

/* ============ Enrollment page ============ */
.enroll-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.enroll-panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:32px;transition:transform .3s,box-shadow .3s}
.enroll-panel:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.enroll-panel h3{font-family:var(--font-display);font-size:21px;color:var(--navy-900);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.enroll-panel h3 .n{flex:none;width:30px;height:30px;border-radius:50%;background:var(--navy-900);color:var(--gold-400);font-family:var(--font-num);font-size:16px;display:flex;align-items:center;justify-content:center}
.enroll-panel ul{display:grid;gap:10px}
.enroll-panel ul li{display:block;gap:10px;font-size:15px;color:var(--muted)}
.enroll-panel ul li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--gold-500);margin-top:9px}
.enroll-panel ul li b{color:var(--navy-900);font-weight:700}
.vet-banner{display:flex;align-items:center;gap:22px;background:linear-gradient(120deg,var(--navy-900),var(--blue-700));border-radius:var(--radius);color:#fff;padding:34px 38px;margin-top:26px;position:relative;overflow:hidden}
.vet-banner .grid-line{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px}
.vet-banner .v-icon{flex:none;width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.12);color:var(--gold-400);display:flex;align-items:center;justify-content:center}
.vet-banner .v-icon svg{width:34px;height:34px}
.vet-banner h3{font-family:var(--font-display);font-size:22px;margin-bottom:6px;position:relative;z-index:2}
.vet-banner p{font-size:15px;color:rgba(255,255,255,.8);position:relative;z-index:2}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .grid-3,.campus-grid{grid-template-columns:repeat(2,1fr)}
  .split,.quote-block,.contact-grid{grid-template-columns:1fr;gap:36px}
  .license-panel{grid-template-columns:1fr}
  .platform-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(3,1fr);gap:40px 20px}
  .timeline::before{display:none}
  .tl-step{padding-top:66px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stat-banner{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .section{padding:64px 0}
  .price-table > div{grid-template-columns:1fr auto !important;padding:14px 16px !important;font-size:13px !important}
  .price-table > div > span:nth-child(2){display:none !important}
  .price-table > div > span:nth-child(4){grid-column:1/-1;text-align:left !important;color:rgba(255,255,255,.6) !important}
  .grid-3,.grid-2,.campus-grid,.batch-grid,.enroll-grid,.scene-grid{grid-template-columns:1fr}
  .platform-grid{grid-template-columns:1fr 1fr;gap:14px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;padding:22px}
  .hero-stats .stat b{font-size:30px}
  .form-grid{grid-template-columns:1fr}
  .level-row{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat-banner{grid-template-columns:1fr 1fr}
  .license-panel{padding:22px}
  .vet-banner{flex-direction:column;text-align:center;padding:30px 24px}
  .hero-path{width:120%;right:-40%;top:10%;opacity:.5}
}