/* ========== Body Override ========== */
body{background:var(--gray-50)}

/* ========== Hero Banner ========== */
.hero{
  background:linear-gradient(160deg,var(--blue-900),var(--blue-700));
  padding:55px 20px 56px;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 50%,rgba(0,201,219,.12),transparent 60%),
             radial-gradient(ellipse at 70% 30%,rgba(26,115,232,.1),transparent 60%);
}
.hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:.85rem;color:rgba(255,255,255,.5);margin-bottom:24px;
}
.breadcrumb a{color:rgba(255,255,255,.7);transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.hero-tags{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.hero-tag{padding:5px 14px;border-radius:20px;font-size:.78rem;font-weight:600}
.tag-roadshow{background:rgba(26,115,232,.25);color:var(--blue-200);border:1px solid rgba(26,115,232,.4)}
.tag-status{background:rgba(39,174,96,.25);color:#6ee7a8;border:1px solid rgba(39,174,96,.4)}
.tag-hot{background:rgba(231,76,60,.25);color:#fca5a5;border:1px solid rgba(231,76,60,.4)}
.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;color:var(--white);margin-bottom:16px;letter-spacing:-.5px;line-height:1.3}
.hero-sub{color:rgba(255,255,255,.7);font-size:1.05rem;max-width:680px;margin-bottom:32px;line-height:1.7}
.hero-meta{display:flex;gap:32px;flex-wrap:wrap;padding-top:28px;border-top:1px solid rgba(255,255,255,.1)}
.hero-meta-item{display:flex;align-items:center;gap:10px}
.hero-meta-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:1.2rem;
}
.hero-meta-text .label{font-size:.75rem;color:rgba(255,255,255,.5)}
.hero-meta-text .value{font-size:.95rem;color:var(--white);font-weight:600}

/* ========== Main Layout ========== */
.detail-section{padding:56px 0}
.detail-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}

/* ========== Left Content ========== */
.detail-content > * + *{margin-top:36px}

/* Hero Image */
.hero-img{
  height:360px;border-radius:var(--radius-xl);overflow:hidden;position:relative;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-500));
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);
}
.hero-img::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at top right,rgba(0,201,219,.2),transparent 60%);
}
.hero-img .img-icon{font-size:6rem;color:rgba(255,255,255,.2);position:relative;z-index:1}
.hero-img .img-badge{
  position:absolute;top:20px;left:20px;
  background:rgba(255,255,255,.95);padding:8px 18px;border-radius:10px;
  font-size:.82rem;font-weight:700;color:var(--blue-700);
}
.hero-img .img-date{
  position:absolute;bottom:20px;right:20px;
  background:rgba(10,22,40,.8);backdrop-filter:blur(8px);
  padding:10px 20px;border-radius:12px;text-align:center;color:var(--white);
}
.hero-img .img-date .day{font-size:1.6rem;font-weight:800;line-height:1}
.hero-img .img-date .month{font-size:.75rem;opacity:.8;margin-top:2px}

/* Intro */
.intro-box{
  background:var(--white);border-radius:var(--radius-lg);padding:36px;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
}
.intro-box h2{font-size:1.35rem;font-weight:800;color:var(--gray-900);margin-bottom:20px;padding-left:14px;border-left:4px solid var(--blue-500)}
.intro-box p{color:var(--gray-600);line-height:1.9;margin-bottom:14px;font-size:.95rem}
.intro-box p:last-child{margin-bottom:0}
.intro-box .highlight{color:var(--blue-500);font-weight:600}

/* Highlights */
.highlights-box{
  background:var(--white);border-radius:var(--radius-lg);padding:36px;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
}
.highlights-box h2{font-size:1.35rem;font-weight:800;color:var(--gray-900);margin-bottom:24px;padding-left:14px;border-left:4px solid var(--accent)}
.highlights-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.highlight-item{
  display:flex;gap:14px;padding:20px;border-radius:var(--radius-md);
  background:var(--gray-50);border:1px solid var(--gray-200);transition:var(--transition);
}
.highlight-item:hover{border-color:var(--blue-200);background:var(--blue-50);transform:translateY(-2px)}
.highlight-icon{width:48px;height:48px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.hi-1{background:linear-gradient(135deg,#e3f2fd,#bbdefb);color:#1565c0}
.hi-2{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);color:#2e7d32}
.hi-3{background:linear-gradient(135deg,#fff3e0,#ffe0b2);color:#e65100}
.hi-4{background:linear-gradient(135deg,#f3e5f5,#e1bee7);color:#6a1b9a}
.highlight-text h4{font-size:.95rem;font-weight:700;color:var(--gray-900);margin-bottom:4px}
.highlight-text p{font-size:.82rem;color:var(--gray-500);line-height:1.5;margin:0}

/* Agenda */
.agenda-box{
  background:var(--white);border-radius:var(--radius-lg);padding:36px;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
}
.agenda-box h2{font-size:1.35rem;font-weight:800;color:var(--gray-900);margin-bottom:24px;padding-left:14px;border-left:4px solid var(--gold)}
.agenda-list{position:relative}
.agenda-list::before{content:'';position:absolute;left:19px;top:20px;bottom:20px;width:2px;background:linear-gradient(180deg,var(--blue-200),var(--gray-200))}
.agenda-item{display:flex;gap:20px;padding:14px 0;position:relative}
.agenda-time{flex-shrink:0;width:64px;text-align:right;font-size:.82rem;font-weight:700;color:var(--blue-500);padding-top:2px}
.agenda-dot{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;
  background:var(--white);border:3px solid var(--blue-300);
  display:flex;align-items:center;justify-content:center;font-size:1rem;z-index:1;transition:var(--transition);
}
.agenda-item.highlight .agenda-dot{border-color:var(--accent);background:var(--blue-50)}
.agenda-item:hover .agenda-dot{border-color:var(--blue-500);transform:scale(1.1)}
.agenda-body{flex:1;min-width:0;padding-bottom:8px}
.agenda-body h4{font-size:.95rem;font-weight:700;color:var(--gray-900);margin-bottom:4px}
.agenda-body p{font-size:.83rem;color:var(--gray-500);line-height:1.6}
.agenda-body .agenda-tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:.72rem;font-weight:600;margin-top:6px}
.at-keynote{background:var(--blue-50);color:var(--blue-600)}
.at-pitch{background:#fff3e0;color:#e65100}
.at-break{background:var(--gray-100);color:var(--gray-500)}
.at-networking{background:#e8f5e9;color:#2e7d32}

/* Speakers */
.speakers-box{
  background:var(--white);border-radius:var(--radius-lg);padding:36px;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
}
.speakers-box h2{font-size:1.35rem;font-weight:800;color:var(--gray-900);margin-bottom:24px;padding-left:14px;border-left:4px solid var(--purple)}
.speakers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.speaker-card{
  text-align:center;padding:24px 16px;border-radius:var(--radius-md);
  background:var(--gray-50);border:1px solid var(--gray-200);transition:var(--transition);
}
.speaker-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);background:var(--white)}
.speaker-avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:2rem}
.sa-1{background:linear-gradient(135deg,#e3f2fd,#90caf9);color:#1565c0}
.sa-2{background:linear-gradient(135deg,#fce4ec,#f8bbd0);color:#ad1457}
.sa-3{background:linear-gradient(135deg,#e8f5e9,#a5d6a7);color:#2e7d32}
.sa-4{background:linear-gradient(135deg,#fff3e0,#ffcc80);color:#e65100}
.sa-5{background:linear-gradient(135deg,#f3e5f5,#ce93d8);color:#6a1b9a}
.sa-6{background:linear-gradient(135deg,#e0f7fa,#80deea);color:#00838f}
.sa-7{background:linear-gradient(135deg,#e1f5fe,#81d4fa);color:#0277bd}
.sa-8{background:linear-gradient(135deg,#f1f8e9,#c5e1a5);color:#33691e}
.speaker-card h4{font-size:.92rem;font-weight:700;color:var(--gray-900);margin-bottom:2px}
.speaker-card .speaker-role{font-size:.78rem;color:var(--blue-500);margin-bottom:6px;font-weight:600}
.speaker-card .speaker-org{font-size:.78rem;color:var(--gray-400)}

/* Gallery */
.gallery-box{
  background:var(--white);border-radius:var(--radius-lg);padding:36px;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
}
.gallery-box h2{font-size:1.35rem;font-weight:800;color:var(--gray-900);margin-bottom:24px;padding-left:14px;border-left:4px solid var(--green)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{
  height:160px;border-radius:var(--radius-md);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  font-size:2.5rem;color:rgba(255,255,255,.3);cursor:pointer;transition:var(--transition);position:relative;
}
.gallery-item:hover{transform:scale(1.03);box-shadow:var(--shadow-md)}
.gallery-item::after{
  content:'点击查看';position:absolute;bottom:0;left:0;right:0;
  background:rgba(10,22,40,.7);color:var(--white);text-align:center;
  font-size:.72rem;padding:6px;opacity:0;transition:var(--transition);
}
.gallery-item:hover::after{opacity:1}
.gi-1{background:linear-gradient(135deg,var(--blue-600),var(--blue-400))}
.gi-2{background:linear-gradient(135deg,#00838f,#00acc1)}
.gi-3{background:linear-gradient(135deg,#6a1b9a,#8e24aa)}
.gi-4{background:linear-gradient(135deg,#e65100,#f57c00)}
.gi-5{background:linear-gradient(135deg,#1565c0,#1976d2)}
.gi-6{background:linear-gradient(135deg,#2e7d32,#43a047)}

/* Registration Form */
.reg-form-box{
  background:linear-gradient(160deg,var(--blue-900),var(--blue-700));
  border-radius:var(--radius-xl);padding:48px 40px;position:relative;overflow:hidden;
}
.reg-form-box::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at top right,rgba(0,201,219,.15),transparent 60%);
}
.reg-form-box .rf-inner{position:relative;z-index:1}
.reg-form-box h2{font-size:1.5rem;font-weight:800;color:var(--white);margin-bottom:8px}
.reg-form-box .rf-sub{color:rgba(255,255,255,.6);font-size:.92rem;margin-bottom:28px}
.rf-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rf-field{display:flex;flex-direction:column}
.rf-field.full{grid-column:1/-1}
.rf-field label{font-size:.8rem;color:rgba(255,255,255,.6);margin-bottom:6px;font-weight:500}
.rf-field input,.rf-field select,.rf-field textarea{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-md);padding:12px 16px;color:var(--white);
  font-size:.9rem;font-family:inherit;outline:none;transition:var(--transition);
}
.rf-field input::placeholder,.rf-field textarea::placeholder{color:rgba(255,255,255,.35)}
.rf-field input:focus,.rf-field select:focus,.rf-field textarea:focus{
  border-color:var(--accent);background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(0,201,219,.1);
}
.rf-field select option{background:var(--blue-800);color:var(--white)}
.rf-field textarea{resize:vertical;min-height:80px}
.rf-submit{
  grid-column:1/-1;margin-top:8px;
  background:linear-gradient(135deg,var(--accent),var(--blue-400));
  color:var(--white);border:none;border-radius:var(--radius-md);
  padding:14px 32px;font-size:1rem;font-weight:700;cursor:pointer;
  transition:var(--transition);font-family:inherit;
}
.rf-submit:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,201,219,.3)}
.rf-note{font-size:.78rem;color:rgba(255,255,255,.4);margin-top:12px;text-align:center}

/* ========== Right Sidebar ========== */
.sidebar{position:sticky;top:84px;display:flex;flex-direction:column;gap:24px}
.sidebar-card{
  background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
}

/* Price / Register Card */
.price-card{padding:0}
.price-top{background:linear-gradient(135deg,var(--blue-500),var(--accent));padding:28px 24px;text-align:center;color:var(--white)}
.price-top .price-label{font-size:.82rem;opacity:.8;margin-bottom:6px}
.price-top .price-val{font-size:2.4rem;font-weight:800}
.price-top .price-val .unit{font-size:.9rem;font-weight:500;opacity:.8}
.price-top .price-note{font-size:.78rem;opacity:.7;margin-top:4px}
.price-body{padding:24px}
.price-info{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.price-info-item{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--gray-600)}
.price-info-item .pi-icon{
  width:32px;height:32px;border-radius:8px;flex-shrink:0;
  background:var(--blue-50);display:flex;align-items:center;justify-content:center;font-size:.9rem;
}
.price-info-item strong{color:var(--gray-900);font-weight:600}
.price-btn{
  display:block;text-align:center;padding:14px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--blue-500),var(--accent));
  color:var(--white);font-size:1rem;font-weight:700;transition:var(--transition);
}
.price-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,201,219,.3)}
.price-btn-secondary{
  display:block;text-align:center;margin-top:10px;padding:12px;border-radius:var(--radius-md);
  border:1.5px solid var(--gray-200);color:var(--gray-600);font-size:.88rem;font-weight:600;transition:var(--transition);
}
.price-btn-secondary:hover{border-color:var(--blue-300);color:var(--blue-500)}

/* Countdown */
.countdown-card{padding:24px;text-align:center}
.countdown-card h4{font-size:.9rem;font-weight:700;color:var(--gray-700);margin-bottom:16px}
.countdown-display{display:flex;justify-content:center;gap:12px}
.countdown-unit{
  background:linear-gradient(135deg,var(--blue-500),var(--blue-600));
  border-radius:var(--radius-md);padding:12px 8px;min-width:60px;color:var(--white);
}
.countdown-unit .cd-num{font-size:1.5rem;font-weight:800;line-height:1}
.countdown-unit .cd-label{font-size:.68rem;opacity:.8;margin-top:4px}

/* Share */
.share-card{padding:20px}
.share-card h4{font-size:.88rem;font-weight:700;color:var(--gray-700);margin-bottom:14px}
.share-row{display:flex;gap:10px}
.share-btn{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;cursor:pointer;transition:var(--transition);
  background:var(--gray-50);border:1px solid var(--gray-200);
}
.share-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.share-btn.sb-wechat:hover{background:#07c160;color:var(--white);border-color:#07c160}
.share-btn.sb-weibo:hover{background:#e6162d;color:var(--white);border-color:#e6162d}
.share-btn.sb-link:hover{background:var(--blue-500);color:var(--white);border-color:var(--blue-500)}
.share-btn.sb-save:hover{background:var(--gold);color:var(--white);border-color:var(--gold)}

/* Related Activities (Sidebar) */
.related-card{padding:20px}
.related-card h4{font-size:.9rem;font-weight:700;color:var(--gray-700);margin-bottom:16px}
.related-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--gray-100);transition:var(--transition)}
.related-item:last-child{border-bottom:none}
.related-item:hover{padding-left:4px}
.related-date{
  flex-shrink:0;width:48px;height:48px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue-50),var(--blue-100));
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--blue-600);text-align:center;
}
.related-date .day{font-size:1.1rem;font-weight:800;line-height:1}
.related-date .month{font-size:.62rem;margin-top:1px}
.related-body{flex:1;min-width:0}
.related-body h5{font-size:.82rem;font-weight:600;color:var(--gray-800);line-height:1.4;margin-bottom:4px}
.related-body:hover h5{color:var(--blue-500)}
.related-body .related-meta{font-size:.72rem;color:var(--gray-400)}

/* Tags Cloud */
.tags-card{padding:20px}
.tags-card h4{font-size:.9rem;font-weight:700;color:var(--gray-700);margin-bottom:14px}
.tags-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tags-cloud a{
  padding:5px 12px;border-radius:20px;font-size:.78rem;
  background:var(--gray-50);color:var(--gray-600);border:1px solid var(--gray-200);transition:var(--transition);
}
.tags-cloud a:hover{background:var(--blue-50);color:var(--blue-500);border-color:var(--blue-200)}

/* ========== Stats Bar ========== */
.stats-section{
  background:linear-gradient(160deg,var(--blue-900),var(--blue-700));
  padding:60px 0;position:relative;overflow:hidden;
}
.stats-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(0,201,219,.1),transparent 60%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.stat-item{text-align:center}
.stat-icon{font-size:2rem;margin-bottom:8px}
.stat-num{font-size:2.2rem;font-weight:800;color:var(--accent);line-height:1}
.stat-label{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:6px}

/* ========== Related Activities (Bottom) ========== */
.related-section{padding:64px 0;background:var(--gray-50)}
.section-title{text-align:center;margin-bottom:40px}
.section-title .eyebrow{
  display:inline-block;padding:4px 14px;border-radius:20px;
  background:var(--blue-50);color:var(--blue-500);font-size:.82rem;font-weight:600;margin-bottom:12px;
}
.section-title h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:var(--gray-900)}
.related-activities{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ra-card{
  background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);transition:var(--transition);
}
.ra-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.ra-img{height:140px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:rgba(255,255,255,.3);position:relative}
.ri-1{background:linear-gradient(135deg,var(--blue-600),var(--blue-400))}
.ri-2{background:linear-gradient(135deg,#00838f,#00acc1)}
.ri-3{background:linear-gradient(135deg,#6a1b9a,#8e24aa)}
.ra-img .ra-badge{position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:20px;font-size:.72rem;font-weight:600;color:var(--white)}
.rb-roadshow{background:rgba(26,115,232,.85)}
.rb-training{background:rgba(230,81,0,.85)}
.rb-meetup{background:rgba(106,27,154,.85)}
.ra-body{padding:20px}
.ra-body .ra-date{font-size:.78rem;color:var(--gray-400);margin-bottom:6px}
.ra-body h4{font-size:.98rem;font-weight:700;color:var(--gray-900);margin-bottom:8px;line-height:1.4}
.ra-body p{font-size:.82rem;color:var(--gray-500);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ========== CTA ========== */
.cta-section{padding:64px 0;background:var(--white)}
.cta-box{
  background:linear-gradient(135deg,var(--blue-500),var(--accent));
  border-radius:var(--radius-xl);padding:48px 40px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-box::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at top,rgba(255,255,255,.1),transparent 60%);
}
.cta-box h2{font-size:1.6rem;font-weight:800;color:var(--white);margin-bottom:10px;position:relative;z-index:1}
.cta-box p{color:rgba(255,255,255,.85);font-size:.95rem;margin-bottom:24px;position:relative;z-index:1}
.cta-box .btn{
  display:inline-block;background:var(--white);color:var(--blue-600);
  padding:14px 36px;border-radius:30px;font-weight:700;font-size:1rem;
  transition:var(--transition);position:relative;z-index:1;
}
.cta-box .btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}

/* ========== Responsive ========== */
@media (max-width:1024px){
  .detail-layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static;flex-direction:column}
  .speakers-grid{grid-template-columns:repeat(2,1fr)}
  .related-activities{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .hero{padding:100px 16px 40px}
  .hero-meta{gap:20px}
  .detail-section{padding:40px 0}
  .intro-box,.highlights-box,.agenda-box,.speakers-box,.gallery-box{padding:24px}
  .highlights-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .rf-grid{grid-template-columns:1fr}
  .reg-form-box{padding:32px 24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px}
  .related-activities{grid-template-columns:1fr}
  .cta-box{padding:32px 24px}
}
@media (max-width:480px){
  .hero h1{font-size:1.4rem}
  .hero-sub{font-size:.9rem}
  .hero-meta{flex-direction:column;gap:16px}
  .speakers-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .countdown-display{gap:8px}
  .countdown-unit{min-width:48px;padding:10px 6px}
  .countdown-unit .cd-num{font-size:1.2rem}
}