/* ============================================
   松松云 首页专属样式 (home.css)
   仅首页使用的板块样式
   ============================================ */

/* === HERO === */
#hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(160deg,#0b0f1a 0%,#0f1726 30%,#131f35 60%,#0e1a2d 100%);overflow:hidden;padding:120px 0 80px}
#hero::after{content:'';position:absolute;top:-10%;left:-5%;width:500px;height:500px;background:radial-gradient(circle,rgba(0,120,255,0.12),transparent 70%);filter:blur(80px);pointer-events:none;z-index:0}
.hero-grid::after{content:'';position:absolute;bottom:-5%;right:-3%;width:400px;height:400px;background:radial-gradient(circle,rgba(100,50,200,0.08),transparent 70%);filter:blur(80px);pointer-events:none;z-index:0}
#hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 65% 35%,rgba(0,178,255,0.14) 0%,transparent 70%),radial-gradient(ellipse 40% 40% at 15% 80%,rgba(254,166,49,0.06) 0%,transparent 60%),radial-gradient(ellipse 30% 30% at 85% 80%,rgba(0,178,255,0.06) 0%,transparent 50%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,178,255,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,178,255,0.025) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,black 20%,transparent 80%);animation:grid-shift 30s linear infinite}
@keyframes grid-shift{0%{background-position:0 0}100%{background-position:60px 60px}}
.hero-inner{display:flex;align-items:center;gap:80px;position:relative;z-index:2}
.hero-left{flex:1;min-width:0}
.hero-right{width:420px;flex-shrink:0}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(0,178,255,0.1);border:1px solid rgba(0,178,255,0.2);border-radius:50px;color:var(--blue-light);font-size:13px;font-weight:500;margin-bottom:28px;animation:tag-glow 3s ease-in-out infinite alternate}
@keyframes tag-glow{0%{box-shadow:0 0 0 rgba(0,178,255,0)}100%{box-shadow:0 0 20px rgba(0,178,255,0.1)}}
.hero-tag .dot{width:6px;height:6px;background:var(--blue);border-radius:50%;animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(0,178,255,0.4)}50%{opacity:.6;box-shadow:0 0 0 6px rgba(0,178,255,0)}}
.hero-title{font-size:clamp(32px,4.5vw,52px);font-weight:900;color:var(--white);line-height:1.25;letter-spacing:-1px;margin-bottom:24px}
.hero-title .highlight{position:relative;color:var(--blue-light);display:inline;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:6px;text-decoration-thickness:3px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-bottom:16px}
.hero-stat{color:var(--white)}
.hero-stat .num{font-family:var(--font-en);font-size:28px;font-weight:700;color:var(--orange);letter-spacing:-1px}
.hero-stat .label{font-size:13px;color:var(--gray-400);margin-top:2px}
.hero-trust{font-size:12px;color:var(--gray-500);margin-bottom:32px;display:flex;flex-wrap:wrap;gap:16px}
.hero-trust span{display:flex;align-items:center;gap:4px}
.hero-trust svg{width:12px;height:12px;flex-shrink:0}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:14px}
.hero-buttons .btn-cta{padding:14px 32px;font-size:15px;border-radius:10px}
.hero-buttons .btn-outline{padding:14px 28px;font-size:15px;border-radius:10px}
.hero-sub{font-size:12px;color:var(--gray-500);display:flex;align-items:center;gap:12px}
.hero-sub svg{width:14px;height:14px;flex-shrink:0}

/* Dashboard card */
.dash-card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:28px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:relative;overflow:hidden}
.dash-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,178,255,0.4),transparent)}
.dash-card::after{content:'';position:absolute;bottom:-40px;right:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(254,166,49,0.06),transparent 70%);pointer-events:none}
.dash-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.dash-header h3{font-size:14px;font-weight:600;color:var(--white)}
.dash-live{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--blue);font-weight:500}
.dash-live .live-dot{width:6px;height:6px;background:var(--blue);border-radius:50%;animation:pulse-dot 1.5s infinite}
.dash-metrics{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}
.dash-metric{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:rgba(0,178,255,0.05);border-radius:10px;border:1px solid rgba(0,178,255,0.08);transition:border-color .3s}
.dash-metric:hover{border-color:rgba(0,178,255,0.2)}
.dash-metric .dm-label{font-size:13px;color:var(--gray-400)}
.dash-metric .dm-value{font-family:var(--font-en);font-size:22px;font-weight:700;color:var(--orange)}
.dash-chart{position:relative;height:80px;margin-bottom:8px}
.dash-chart canvas{width:100%;height:100%}
.dash-chart-label{font-size:12px;color:var(--gray-400);margin-bottom:8px}
.dash-footer{text-align:center;font-size:11px;color:var(--gray-500)}
@media(max-width:960px){
  .hero-inner{flex-direction:column;text-align:center;gap:40px}
  .hero-right{width:100%;max-width:400px}
  .hero-stats{justify-content:center}
  .hero-trust{justify-content:center}
  .hero-buttons{justify-content:center}
  .hero-sub{justify-content:center}
  .hero-tag{margin-left:auto;margin-right:auto}
}

/* === SOLUTIONS === */
#solutions{background-color:#f8fafc;background-image:linear-gradient(rgba(0,178,255,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,178,255,0.015) 1px,transparent 1px);background-size:40px 40px;padding:100px 0;position:relative;overflow:hidden}
#solutions::before{content:'';position:absolute;top:-200px;right:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(0,178,255,0.04),transparent 70%);pointer-events:none}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.sol-card{border-radius:16px;padding:36px 32px;border:1px solid transparent;transition:all .4s var(--ease-out-expo);position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;text-align:center}
.sol-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--orange));opacity:0;transition:opacity .3s}
.sol-card:hover{transform:translateY(-8px);box-shadow:0 20px 60px rgba(15,25,35,0.12)}
.sol-card:hover::before{opacity:1}
.sol-card.bg-1{background:linear-gradient(145deg,#FFFFFF,#EBF4FA);border-color:#D6E8F5}
.sol-card.bg-2{background:linear-gradient(145deg,#FFFFFF,#FFF5E6);border-color:#F5E0B8}
.sol-card.bg-3{background:linear-gradient(145deg,#FFFFFF,#E8F7F0);border-color:#C3E8D5}
.sol-card.bg-4{background:linear-gradient(145deg,#FFFFFF,#F0E8FA);border-color:#D5C3E8}
.sol-card.bg-5{background:linear-gradient(145deg,#FFFFFF,#FFE8E8);border-color:#F5C3C3}
.sol-card.bg-6{background:linear-gradient(145deg,#FFFFFF,#E8F0FA);border-color:#C3D5F5}
.sol-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:24px;transition:transform .4s var(--ease-spring)}
.sol-card:hover .sol-icon{transform:scale(1.1) rotate(-5deg)}
.sol-icon.geo{background:linear-gradient(135deg,#00B2FF,#0090CC);color:#fff}
.sol-icon.rw{background:linear-gradient(135deg,#FEA631,#E89520);color:#fff}
.sol-icon.qw{background:linear-gradient(135deg,#2ECC71,#27AE60);color:#fff}
.sol-icon.zm{background:linear-gradient(135deg,#9B59B6,#8E44AD);color:#fff}
.sol-icon.sc{background:linear-gradient(135deg,#E74C3C,#C0392B);color:#fff}
.sol-icon.zj{background:linear-gradient(135deg,#3498DB,#2980B9);color:#fff}
.sol-card h3{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:4px}
.sol-card .sol-tag{font-size:12px;color:var(--blue);font-weight:600;margin-bottom:12px}
.sol-card p{font-size:14px;color:var(--gray-500);line-height:1.65;margin-bottom:16px;flex:1}
.sol-meta{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;font-size:13px;color:var(--gray-600)}
.sol-meta span{display:flex;align-items:center;gap:6px}
.sol-meta svg{width:14px;height:14px;flex-shrink:0}
.sol-card .sol-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;background:var(--navy);color:var(--white);font-size:13px;font-weight:600;border-radius:8px;transition:all .3s;align-self:center}
.sol-card:hover .sol-btn{background:linear-gradient(135deg,var(--orange),var(--orange-hot));box-shadow:0 4px 16px var(--orange-glow)}
.sol-card .sol-btn svg{width:14px;height:14px;fill:currentColor;transition:transform .3s}
.sol-card:hover .sol-btn svg{transform:translateX(3px)}
@media(max-width:960px){.sol-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.sol-grid{grid-template-columns:1fr}}

/* === EXECUTION === */
#execution{background:linear-gradient(135deg,#162238 0%,#0b0f1a 100%);color:var(--white);padding:100px 0;position:relative;overflow:hidden}
#execution::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 40% at 50% 100%,rgba(0,178,255,0.07),transparent),radial-gradient(ellipse 30% 30% at 10% 20%,rgba(254,166,49,0.03),transparent)}
.exec-steps{display:flex;align-items:flex-start;gap:0;margin:56px 0 56px;position:relative}
.exec-step{flex:1;text-align:center;position:relative;z-index:2}
.exec-step-icon{width:64px;height:64px;border-radius:16px;background:rgba(0,178,255,0.08);border:1.5px solid rgba(0,178,255,0.15);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:24px;transition:all .4s var(--ease-out-expo);position:relative}
.exec-step-icon::after{content:'';position:absolute;inset:-4px;border-radius:20px;border:1px solid rgba(0,178,255,0);transition:border-color .4s}
.exec-step:hover .exec-step-icon{background:rgba(0,178,255,0.15);border-color:var(--blue);transform:translateY(-6px)}
.exec-step:hover .exec-step-icon::after{border-color:rgba(0,178,255,0.1)}
.exec-step-num{font-family:var(--font-en);font-size:12px;font-weight:700;color:var(--blue);letter-spacing:2px;margin-bottom:8px}
.exec-step h4{font-size:16px;font-weight:700;margin-bottom:6px}
.exec-step p{font-size:13px;color:var(--gray-400);line-height:1.5;padding:0 12px}
.exec-line{position:absolute;top:32px;left:15%;right:15%;height:1.5px;background:linear-gradient(90deg,transparent,rgba(0,178,255,0.25),rgba(0,178,255,0.25),transparent);z-index:1}
.exec-line-glow{position:absolute;top:31px;left:15%;width:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--orange));border-radius:2px;z-index:1;transition:width 2s var(--ease-out-expo);filter:blur(1px)}
.exec-cards{display:flex;gap:24px;justify-content:center;margin-bottom:48px}
.exec-card{background:rgba(255,255,255,0.04);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.08);border-radius:14px;padding:28px 36px;text-align:center;flex:1;max-width:300px;transition:all .3s var(--ease-out-expo)}
.exec-card:hover{border-color:rgba(0,178,255,0.25);transform:translateY(-3px)}
.exec-card .ec-num{font-family:var(--font-en);font-size:28px;font-weight:700;color:var(--orange);margin-bottom:4px}
.exec-card .ec-label{font-size:13px;color:var(--gray-400)}
.exec-quote{text-align:center;font-size:16px;color:var(--gray-300);font-weight:500;position:relative;padding:24px 0}
.exec-quote::before{content:'\201C';position:absolute;top:-8px;left:50%;transform:translateX(-50%);font-size:56px;color:rgba(0,178,255,0.1);font-family:serif;line-height:1}
@media(max-width:768px){
  .exec-steps{flex-direction:column;gap:32px}
  .exec-line,.exec-line-glow{display:none}
  .exec-cards{flex-direction:column;align-items:center}
  .exec-card{max-width:100%;width:100%}
}

/* === CASES === */
#cases{background-color:#f8fafc;background-image:linear-gradient(rgba(0,178,255,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,178,255,0.015) 1px,transparent 1px);background-size:40px 40px;padding:100px 0;position:relative;overflow:hidden}
#cases::after{content:'';position:absolute;bottom:-100px;left:-100px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(254,166,49,0.03),transparent 70%);pointer-events:none}
.cases-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:8px 4px 24px;scrollbar-width:none}
.cases-track::-webkit-scrollbar{display:none}
.case-card{min-width:300px;max-width:340px;flex-shrink:0;scroll-snap-align:start;background:var(--gray-100);border-radius:16px;overflow:hidden;border:1px solid var(--gray-200);transition:all .4s var(--ease-out-expo);position:relative}
.case-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(15,25,35,0.1);border-color:rgba(0,178,255,0.2)}
.case-card-img{width:100%;height:180px;object-fit:cover;transition:transform .4s var(--ease-out-expo)}
.case-card:hover .case-card-img{transform:scale(1.03)}
.case-card-body{padding:24px}
.case-industry{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;background:rgba(0,178,255,0.08);border-radius:6px;font-size:12px;font-weight:600;color:var(--blue);margin-bottom:12px}
.case-card h4{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:8px;line-height:1.4}
.case-card p{font-size:13px;color:var(--gray-500);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-card-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--blue);margin-top:12px;transition:gap .3s}
.case-card-link:hover{gap:8px;color:var(--orange)}
.cases-note{text-align:center;font-size:12px;color:var(--gray-400);margin-top:20px;margin-bottom:32px}
.cases-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
@media(max-width:600px){.case-card{min-width:85vw}}

/* === CASES GRID (2x3) === */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.case-card-v2{background:var(--gray-100);border-radius:16px;overflow:hidden;border:1px solid var(--gray-200);transition:all .4s var(--ease-out-expo)}
.case-card-v2:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(15,25,35,0.1);border-color:rgba(0,178,255,0.2)}
.case-card-v2 .case-card-img{width:100%;height:180px;object-fit:cover;transition:transform .5s var(--ease-out-expo)}
.case-card-v2:hover .case-card-img{transform:scale(1.04)}
.case-card-v2 .case-card-body{padding:20px 24px 24px}
.case-stats{display:flex;gap:12px;margin-top:12px}
.case-stat{flex:1;padding:8px;background:rgba(0,178,255,0.06);border-radius:8px;text-align:center}
.case-stat .cs-label{font-size:11px;color:var(--gray-400);margin-bottom:2px}
.case-stat .cs-value{font-size:13px;font-weight:700;color:var(--orange)}
@media(max-width:960px){.cases-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cases-grid{grid-template-columns:1fr}}

/* === COMPARISON === */
#comparison{background-color:#f1f5f9;background-image:linear-gradient(rgba(0,178,255,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,178,255,0.015) 1px,transparent 1px);background-size:40px 40px;padding:100px 0;position:relative}
.comp-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:48px}
.comp-col{border-radius:16px;padding:40px 36px;transition:transform .4s var(--ease-out-expo)}
.comp-col:hover{transform:translateY(-3px)}
.comp-col.industry{background:var(--white);border:1px solid var(--gray-200);border-left:4px solid var(--orange)}
.comp-col.ssy{background:linear-gradient(160deg,#0B1728 0%,#102040 100%);color:var(--white);border:1px solid rgba(0,178,255,0.2);border-left:4px solid var(--orange);position:relative;overflow:hidden}
.comp-col.ssy::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--orange))}
.comp-col.ssy::after{content:'';position:absolute;bottom:-60px;right:-60px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(0,178,255,0.08),transparent 70%);pointer-events:none}
.comp-col h3{font-size:18px;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.comp-col.industry h3{color:var(--gray-500)}
.comp-col.ssy h3{color:var(--white)}
.comp-item{display:flex;align-items:center;gap:12px;padding:14px 0;font-size:15px;border-bottom:1px solid rgba(128,128,128,0.1);transition:padding-left .3s}
.comp-item:hover{padding-left:6px}
.comp-item:last-child{border-bottom:none}
.comp-col.industry .comp-item{color:var(--gray-500)}
.comp-col.ssy .comp-item{color:var(--gray-300)}
.comp-icon-bad{width:24px;height:24px;border-radius:50%;background:rgba(239,68,68,0.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#ef4444;font-size:14px}
.comp-icon-good{width:24px;height:24px;border-radius:50%;background:rgba(0,178,255,0.15);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--blue);font-size:14px}
.comp-quote{text-align:center;font-size:20px;font-weight:700;color:var(--orange);padding:24px 32px;background:linear-gradient(135deg,rgba(254,166,49,0.06),rgba(254,166,49,0.02));border:1px solid rgba(254,166,49,0.15);border-radius:12px;line-height:1.6}
@media(max-width:768px){.comp-grid{grid-template-columns:1fr}}

/* === AI SECTION === */
#aiSection{background:linear-gradient(135deg,#162238 0%,#0b0f1a 100%);color:var(--white);padding:100px 0;position:relative;overflow:hidden}
#aiSection::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 35% 50% at 80% 30%,rgba(254,166,49,0.05),transparent),radial-gradient(ellipse 30% 40% at 20% 70%,rgba(0,178,255,0.04),transparent)}
.ai-content{display:flex;gap:60px;align-items:center}
.ai-left{flex:1}
.ai-right{width:420px;flex-shrink:0}
.ai-points{display:flex;flex-direction:column;gap:16px;margin:32px 0}
.ai-point{display:flex;align-items:center;gap:14px;padding:14px 18px;background:rgba(254,166,49,0.03);border:1px solid rgba(254,166,49,0.06);border-radius:10px;font-size:14px;color:var(--gray-300);transition:all .3s}
.ai-point:hover{background:rgba(254,166,49,0.08);border-color:rgba(254,166,49,0.2);transform:translateX(4px)}
.ai-point .ai-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex-shrink:0;animation:pulse-dot 2s infinite}
.ai-solution{background:linear-gradient(145deg,rgba(0,178,255,0.06),rgba(0,178,255,0.02));border:1px solid rgba(0,178,255,0.15);border-radius:16px;padding:32px;text-align:center;position:relative;overflow:hidden}
.ai-solution::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,178,255,0.3),transparent)}
.ai-solution h3{font-size:20px;font-weight:700;margin-bottom:8px}
.ai-solution .ai-badge{display:inline-block;padding:4px 12px;background:rgba(254,166,49,0.15);color:var(--orange);border-radius:50px;font-size:12px;font-weight:600;margin-bottom:16px;animation:badge-pulse 2s infinite alternate}
@keyframes badge-pulse{0%{box-shadow:0 0 0 rgba(254,166,49,0)}100%{box-shadow:0 0 12px rgba(254,166,49,0.15)}}
.ai-features{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;text-align:left}
.ai-feat{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--gray-300)}
.ai-feat svg{width:16px;height:16px;flex-shrink:0}
.ai-bars{display:flex;flex-direction:column;gap:20px;margin:24px 0}
.ai-bar-group label{font-size:12px;color:var(--gray-400);margin-bottom:6px;display:block}
.ai-bar{height:8px;border-radius:4px;background:rgba(255,255,255,0.05);overflow:hidden;position:relative}
.ai-bar-fill{height:100%;border-radius:4px;width:0;transition:width 1.5s var(--ease-out-expo)}
.ai-bar-fill.trad{background:var(--gray-500)}
.ai-bar-fill.ai{background:linear-gradient(90deg,var(--blue),var(--orange))}
@media(max-width:960px){
  .ai-content{flex-direction:column;gap:40px}
  .ai-right{width:100%;max-width:440px;margin:0 auto}
}

/* === EXPERT SECTION === */
#experts{background-color:#f8fafc;background-image:linear-gradient(rgba(0,178,255,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,178,255,0.015) 1px,transparent 1px);background-size:40px 40px;padding:100px 0;position:relative}
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:48px}
.expert-card{background:var(--white);border-radius:16px;padding:36px 32px;text-align:center;border:1px solid var(--gray-200);transition:all .4s var(--ease-out-expo);position:relative;overflow:hidden}
.expert-card::before{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--orange));opacity:0;transition:opacity .3s}
.expert-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(15,25,35,0.08)}
.expert-card:hover::before{opacity:1}
.expert-avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:32px;position:relative}
.expert-avatar::after{content:'';position:absolute;inset:-3px;border-radius:50%;border:2px solid transparent;background:linear-gradient(135deg,var(--blue),var(--orange)) border-box;-webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.expert-avatar.a1{background:linear-gradient(135deg,rgba(0,178,255,0.15),rgba(0,178,255,0.05))}
.expert-avatar.a2{background:linear-gradient(135deg,rgba(254,166,49,0.15),rgba(254,166,49,0.05))}
.expert-avatar.a3{background:linear-gradient(135deg,rgba(110,193,232,0.15),rgba(110,193,232,0.05))}
.expert-card h4{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:4px}
.expert-role{font-size:13px;color:var(--blue);font-weight:600;margin-bottom:12px}
.expert-desc{font-size:13px;color:var(--gray-500);line-height:1.65}
.expert-btn-row{display:flex;justify-content:center;gap:16px;margin-top:40px;flex-wrap:wrap}
@media(max-width:768px){.expert-grid{grid-template-columns:1fr}}