/* ═══════ SELF-HOSTED FONTS (DSGVO-compliant) ═══════ */
/* Inter v20 variable font — latin subset. Single file covers all weights 100-900. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Noto Sans SC v40 variable — latin subset only (CJK falls back to system fonts for DSGVO / size). */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/notosc-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --deep: #13243f;
  --navy: #1a3158;
  --glass: rgba(255,255,255,.06);
  --primary: #2563eb;
  --primary-light: #60a5fa;
  --cyan: #06b6d4;
  --teal: #0d9488;
  --sky: #7dd3fc;
  --indigo: #6366f1;
  --violet: #8b5cf6;
  --light: #f0f9ff;
  --white: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --gold: #f59e0b;
  --rose: #f43f5e;
  --focus-ring: 0 0 0 3px rgba(96,165,250,.6);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',system-ui,-apple-system,BlinkMacSystemFont,Roboto,sans-serif;color:var(--text);background:var(--white);overflow-x:hidden}
/* Chinese layout: use Noto Sans SC for Latin chars + system CJK fallback for Chinese glyphs */
body.cn{font-family:'Noto Sans SC','Inter','PingFang SC','Hiragino Sans GB','Microsoft YaHei','微软雅黑',system-ui,sans-serif}

/* ═══════ ACCESSIBILITY ═══════ */
:focus{outline:none}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px}
a:focus-visible,button:focus-visible,[role="button"]:focus-visible,[tabindex]:focus-visible{box-shadow:var(--focus-ring)}
.skip-link{position:absolute;top:-60px;left:12px;background:var(--primary);color:#fff;padding:10px 16px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;z-index:1000;transition:top .2s}
.skip-link:focus{top:12px}
/* Respect reduced motion for all non-essential animation */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .particle{display:none}
}
::selection{background:var(--primary);color:#fff}

/* Scroll Progress */
.scroll-bar{position:fixed;top:0;left:0;height:3px;z-index:300;background:linear-gradient(90deg,var(--primary),var(--cyan));width:0%;transition:width .1s linear}

/* Nav */
nav#navbar{position:fixed;top:3px;left:0;right:0;z-index:200;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.06);padding:0 40px;height:60px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;cursor:pointer;text-decoration:none;background:transparent;border:0;padding:0}
.logo svg{width:28px;height:28px}
.logo-text{font-size:22px;font-weight:800;color:var(--deep)}
.logo-accent{color:var(--primary)}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-link{position:relative;cursor:pointer;padding:8px 0;font-size:13px;font-weight:500;color:#475569;transition:color .3s;text-decoration:none;white-space:nowrap;background:transparent;border:0;font-family:inherit}
.nav-link:hover,.nav-link.active,.nav-link:focus-visible{color:var(--primary)}
.nav-link.active::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--primary);border-radius:1px}
.lang-btns{display:flex;gap:4px;margin-left:14px}
.lang-btn{cursor:pointer;padding:4px 8px;border-radius:6px;font-size:16px;line-height:1;border:1px solid rgba(0,0,0,.08);background:transparent;transition:all .2s}
.lang-btn:hover,.lang-btn:focus-visible{background:rgba(0,0,0,.03)}
.lang-btn.active{background:var(--primary);border-color:var(--primary)}

/* Mobile hamburger */
.nav-toggle{display:none;background:transparent;border:0;cursor:pointer;padding:8px;width:44px;height:44px;align-items:center;justify-content:center;border-radius:8px}
.nav-toggle:hover,.nav-toggle:focus-visible{background:rgba(0,0,0,.04)}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--deep);border-radius:1px;transition:transform .25s ease,opacity .2s,background .2s}
.nav-toggle span + span{margin-top:5px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--deep) 0%,var(--navy) 50%,#213862 100%);position:relative;overflow:hidden;padding:100px 40px}
.hero-glow{position:absolute;top:10%;right:-5%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.15) 0%,transparent 70%)}
.hero-glow2{position:absolute;bottom:-10%;left:-10%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.1) 0%,transparent 70%)}
.hero-inner{max-width:1200px;width:100%;display:flex;align-items:center;justify-content:space-between;gap:60px;position:relative;z-index:1;flex-wrap:wrap}
.hero-text{flex:1;min-width:320px;animation:fadeInUp 1s ease-out}
.hero-sub{font-size:12px;font-weight:600;color:var(--primary-light);letter-spacing:3px;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-size:clamp(36px,5vw,64px);font-weight:900;color:#fff;line-height:1.1;margin-bottom:24px}
.hero .gradient{background:linear-gradient(90deg,var(--primary-light),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:16px;color:rgba(255,255,255,.65);line-height:1.7;max-width:560px;margin-bottom:16px}
.hero .affiliations{font-size:12px;color:rgba(255,255,255,.3);margin-bottom:36px;letter-spacing:1px}
.btn-primary{padding:14px 32px;border-radius:30px;background:var(--primary);color:#fff;font-size:15px;font-weight:700;border:none;cursor:pointer;transition:all .3s;box-shadow:0 0 0 0 rgba(37,99,235,.4);animation:pulse 2s infinite}
.btn-outline{padding:14px 32px;border-radius:30px;background:transparent;color:#fff;font-size:15px;font-weight:600;border:2px solid rgba(255,255,255,.25);cursor:pointer;transition:all .3s}
.btn-outline:hover{border-color:var(--primary-light);color:var(--primary-light)}
.hero-heart{flex:0 0 auto;animation:fadeInUp 1.2s ease-out}
.chevron-down{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);cursor:pointer;color:rgba(255,255,255,.3);font-size:24px}

/* Particles */
.particle{position:absolute;border-radius:50%;background:var(--primary-light);pointer-events:none}

/* Featured */
.featured{padding:100px 40px;background:linear-gradient(180deg,var(--deep) 0%,var(--navy) 100%)}
.section-center{text-align:center;margin-bottom:60px}
.section-sub{font-size:13px;font-weight:600;letter-spacing:3px;text-transform:uppercase;margin-bottom:12px;display:inline-flex;align-items:center;gap:8px}
.section-sub.gold{color:var(--gold)}
.section-sub.blue{color:var(--primary-light)}
.section-sub.dark{color:var(--primary)}
.section-title{font-size:36px;font-weight:800}
.section-title.white{color:#fff}
.section-title.dark{color:var(--deep)}
.cards-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}
.feat-card{position:relative;border-radius:20px;overflow:hidden;background:rgba(255,255,255,.04);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.08);transition:all .4s ease;opacity:0;transform:translateY(30px)}
.feat-card.visible{opacity:1;transform:translateY(0)}
.feat-card:hover{transform:translateY(-8px);box-shadow:0 24px 64px rgba(37,99,235,.2)}
.feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--cyan),var(--violet),var(--primary));background-size:200% 100%;animation:gradientBorder 3s ease infinite}
.feat-inner{padding:28px 24px 24px}
.feat-badge{display:inline-block;font-size:10px;font-weight:700;padding:3px 10px;border-radius:20px;background:rgba(37,99,235,.15);color:var(--primary-light);letter-spacing:.5px;margin-bottom:14px}
.feat-card h3{font-size:17px;font-weight:700;color:#fff;line-height:1.35;margin-bottom:12px}
.feat-card .desc{font-size:13px;color:rgba(255,255,255,.6);line-height:1.75}
.feat-card .authors{font-size:11px;color:rgba(255,255,255,.25);margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.06)}
.doi-link{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--primary-light);text-decoration:none;margin-top:10px;font-weight:600;transition:opacity .2s}
.doi-link:hover{opacity:.7}

/* Impact */
.impact{padding:100px 40px;background:linear-gradient(180deg,var(--navy) 0%,#182d4a 100%)}
.stats-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-bottom:18px}
.stat-card{background:rgba(255,255,255,.08);backdrop-filter:blur(12px);border-radius:16px;padding:32px 24px;text-align:center;border:1px solid rgba(255,255,255,.12);opacity:0;transform:translateY(30px);transition:all .6s ease-out}
.stat-card.visible{opacity:1;transform:translateY(0)}
.stat-icon{margin-bottom:12px}
.stat-num{font-size:40px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;letter-spacing:1px;text-transform:uppercase}
.stats-source{max-width:1100px;margin:0 auto 60px;text-align:center;font-size:11px;letter-spacing:.5px;color:rgba(255,255,255,.4)}
.stats-source a{color:var(--primary-light);text-decoration:none;border-bottom:1px dotted rgba(96,165,250,.45)}
.stats-source a:hover,.stats-source a:focus-visible{color:#fff;border-bottom-color:#fff}

/* Vita */
.vita{max-width:700px;margin:0 auto}
.vita-title{font-size:18px;font-weight:700;color:#fff;margin-bottom:24px;text-align:center}
.vita-item{display:flex;gap:16px;margin-bottom:16px;align-items:flex-start}
.vita-year{min-width:56px;font-size:13px;font-weight:700;color:var(--primary-light);text-align:right;padding-top:2px}
.vita-line{width:2px;min-height:20px;background:rgba(255,255,255,.12);border-radius:1px;position:relative}
.vita-dot{position:absolute;top:4px;left:-3px;width:8px;height:8px;border-radius:50%;background:var(--primary)}
.vita-text{font-size:14px;color:rgba(255,255,255,.65);line-height:1.5;padding-top:1px}

/* Research */
.research{padding:100px 40px;background:linear-gradient(180deg,#182d4a 0%,var(--deep) 100%)}
.research-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}
.research-card{padding:32px;border-radius:20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);transition:all .35s ease;cursor:default}
.research-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.research-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.research-card h3{font-size:18px;font-weight:700;color:var(--white);margin-bottom:10px}
.research-card p{font-size:13px;color:rgba(255,255,255,.7);line-height:1.7}

/* Network */
.network-section{padding:100px 40px;background:linear-gradient(180deg,#112038 0%,var(--deep) 50%,var(--navy) 100%)}
.network-wrap{max-width:800px;margin:0 auto}
.network-desc{font-size:14px;color:rgba(255,255,255,.4);max-width:500px;margin:0 auto;text-align:center}
.network-legend{display:flex;gap:24px;margin-top:20px;justify-content:center;flex-wrap:wrap}
.legend-item{display:flex;align-items:center;gap:8px}
.legend-dot{width:10px;height:10px;border-radius:50%;opacity:.8}
.legend-label{font-size:12px;color:rgba(255,255,255,.45)}

/* Publications */
.pubs-section{padding:100px 40px;background:linear-gradient(180deg,var(--deep) 0%,var(--navy) 100%)}
.toggle-bar{display:flex;justify-content:center;gap:12px;margin-bottom:24px}
.toggle-btn{cursor:pointer;padding:8px 20px;border-radius:24px;font-size:13px;font-weight:600;border:2px solid;transition:all .3s}
.toggle-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.toggle-btn:not(.active){background:transparent;color:rgba(255,255,255,.5);border-color:rgba(255,255,255,.2)}
.toggle-btn:not(.active):hover{border-color:var(--primary-light);color:var(--primary-light)}
.charts-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:32px}
.chart-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);border-radius:20px;padding:32px;box-shadow:0 4px 30px rgba(0,0,0,.15)}
.chart-card h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.85);margin-bottom:20px}
.filter-bar{max-width:1100px;margin:0 auto 20px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.filter-chip{cursor:pointer;padding:6px 16px;border-radius:20px;font-size:12px;font-weight:600;border:1px solid rgba(255,255,255,.15);background:transparent;transition:all .2s;color:rgba(255,255,255,.6)}
.filter-chip:hover{border-color:var(--primary-light);color:var(--primary-light)}
.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pub-table{max-width:1100px;margin:0 auto;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);border-radius:20px;overflow:hidden;box-shadow:0 4px 30px rgba(0,0,0,.15)}
.pub-row{padding:16px 24px;display:flex;align-items:flex-start;gap:14px;border-bottom:1px solid rgba(255,255,255,.06);transition:all .2s;border-left:3px solid transparent}
.pub-row:last-child{border-bottom:none}
.pub-row:hover{background:rgba(255,255,255,.04);border-left-color:var(--primary)}
.pub-info{flex:1}
.pub-title{font-size:13px;font-weight:600;color:rgba(255,255,255,.9);line-height:1.4;margin-bottom:3px}
.pub-meta{font-size:11px;color:rgba(255,255,255,.45)}
.pub-auth{font-size:10px;color:#ccc;margin-top:1px}
.type-badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;color:#fff;letter-spacing:.5px;text-transform:uppercase;white-space:nowrap;flex-shrink:0}
.type-original{background:var(--primary)}
.type-review{background:var(--violet)}
.type-case{background:var(--gold)}
.pagination{display:flex;justify-content:center;gap:4px;margin-top:16px}
.pg-btn{cursor:pointer;padding:5px 12px;border-radius:8px;font-size:12px;font-weight:600;border:1px solid rgba(255,255,255,.15);background:transparent;color:rgba(255,255,255,.6);transition:all .2s}
.pg-btn:hover{background:rgba(255,255,255,.06);border-color:var(--primary-light)}
.pg-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Team */
.team-section{padding:100px 40px;background:var(--white)}
.team-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.team-card{border-radius:20px;overflow:hidden;background:#fff;border:1px solid rgba(0,0,0,.06);transition:all .4s cubic-bezier(.25,.8,.25,1);box-shadow:0 4px 20px rgba(0,0,0,.04)}
.team-card:hover{transform:translateY(-8px) scale(1.02)}
.team-bar{height:8px}
.team-inner{padding:24px 20px;display:flex;gap:16px;align-items:flex-start}
.team-avatar{width:64px;height:64px;min-width:64px;border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.12),inset 0 0 0 2px rgba(255,255,255,.3);position:relative}
.team-avatar img{width:100%;height:100%;object-fit:cover}
.team-avatar-initials{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.team-card:first-child .team-avatar{width:80px;height:80px;min-width:80px;font-size:24px}
.photo-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(8px);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.photo-modal-overlay.open{opacity:1;pointer-events:auto}
.photo-modal{text-align:center;transform:scale(.85);transition:transform .3s cubic-bezier(.25,.8,.25,1)}
.photo-modal-overlay.open .photo-modal{transform:scale(1)}
.photo-modal img{width:260px;height:260px;border-radius:50%;object-fit:cover;box-shadow:0 20px 60px rgba(0,0,0,.4),0 0 0 4px rgba(255,255,255,.2);margin-bottom:20px}
.photo-modal h3{color:#fff;font-size:22px;margin:0 0 6px}
.photo-modal p{color:rgba(255,255,255,.6);font-size:14px;margin:0}
.team-card h3{font-size:16px;font-weight:700;color:var(--deep);margin-bottom:4px}
.team-role{font-size:12px;font-weight:600;margin-bottom:10px}
.team-focus{font-size:12px;color:var(--muted);line-height:1.6}

/* Contact */
.contact{padding:100px 40px;background:linear-gradient(135deg,var(--deep) 0%,var(--navy) 100%)}
.contact-inner{max-width:800px;margin:0 auto;text-align:center;position:relative;z-index:1}
.contact-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:40px}
.contact-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:30px;font-size:15px;font-weight:700;text-decoration:none;transition:all .3s}
.contact-btn.primary{background:var(--primary);color:#fff}
.contact-btn.ghost{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);color:#fff;border:1px solid rgba(255,255,255,.2)}
.contact-addr{margin-top:60px;padding:24px 28px;background:rgba(255,255,255,.05);border-radius:16px;border:1px solid rgba(255,255,255,.06);display:inline-block;font-size:13px;color:rgba(255,255,255,.45);line-height:1.8}

/* Footer */
footer{padding:28px 40px;background:#0a1424;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-logo{display:flex;align-items:center;gap:8px}
.footer-logo span{font-size:14px;font-weight:700;color:rgba(255,255,255,.5)}
.footer-copy{font-size:12px;color:rgba(255,255,255,.2);margin-left:8px}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:12px;color:rgba(255,255,255,.3);text-decoration:none;transition:color .3s}
.footer-links a:hover{color:var(--primary-light)}

/* Back to top */
.btt{position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 24px rgba(37,99,235,.4);transition:all .3s;z-index:100;border:none;opacity:0;pointer-events:none}
.btt.visible{opacity:1;pointer-events:auto}
.btt:hover{transform:translateY(-3px);box-shadow:0 10px 32px rgba(37,99,235,.5)}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(37,99,235,.4)}50%{box-shadow:0 0 0 12px rgba(37,99,235,0)}}
@keyframes gradientBorder{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes floatUp{0%{transform:translateY(0) scale(1);opacity:0}10%{opacity:1}90%{opacity:.5}100%{transform:translateY(-100vh) scale(.5);opacity:0}}

/* Responsive */
@media(max-width:900px){
  nav#navbar{padding:0 20px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:63px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(0,0,0,.06);
    padding:8px 20px 20px;
    box-shadow:0 12px 32px rgba(0,0,0,.08);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .25s ease,opacity .2s;
    max-height:calc(100vh - 63px);overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{width:100%;padding:14px 4px;font-size:15px;border-bottom:1px solid rgba(0,0,0,.04)}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(37,99,235,.06);border-radius:8px;padding-left:12px}
  .lang-btns{margin:12px 0 4px}
  .hero,.featured,.impact,.research,.network-section,.pubs-section,.team-section,.contact{padding-left:20px;padding-right:20px}
  .hero-inner{flex-direction:column;text-align:center}
  .hero-heart svg{width:280px;height:280px}
  .charts-grid{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:1fr}
  footer{flex-direction:column;text-align:center;padding:24px 20px}
  .footer-links{flex-wrap:wrap;justify-content:center}
  .contact-addr{font-size:12px;padding:18px 20px}
}
@media(max-width:500px){
  .hero h1{font-size:32px}
  .section-title{font-size:28px}
  .hero-heart svg{width:220px;height:220px}
  .stat-num{font-size:32px}
  .featured,.impact,.research,.network-section,.pubs-section,.team-section,.contact{padding-top:70px;padding-bottom:70px}
}

.vita-expand{max-height:0;overflow:hidden;transition:max-height .4s ease,opacity .3s;opacity:0;background:#f0f4f8;border-radius:0 0 20px 20px;border-top:1px solid rgba(0,0,0,.06)}
.vita-expand.open{max-height:2000px;opacity:1;padding:24px 28px 28px}
.vita-expand .vita-text{color:#3a4a5c}
.vita-expand .vita-year{color:var(--primary)}
.vita-expand .vita-line{background:rgba(0,40,100,.15)}
.vita-expand .vita-expand-title{color:#1a2a3a;font-weight:700;margin-bottom:16px;font-size:16px}
.member-stat-box{background:#fff;border-radius:12px;padding:14px 16px;text-align:center;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.member-stat-num{font-size:28px;font-weight:800;line-height:1.1}
.member-stat-label{font-size:11px;color:#7a8a9c;margin-top:4px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.logo-strip{padding:28px 0;background:#fff;border-bottom:1px solid rgba(0,0,0,.06)}
.logo-strip-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;padding:0 24px}
.logo-strip-inner img{height:44px;width:auto;opacity:1;transition:all .3s}
.logo-strip-inner img.logo-tall{height:72px}
.logo-strip-inner img:hover{transform:scale(1.08)}
@media(max-width:768px){.logo-strip-inner{gap:24px}.logo-strip-inner img{height:34px}.logo-strip-inner img.logo-tall{height:54px}}