:root{
  --navy:#041c33;
  --navy-2:#072748;
  --navy-3:#0b325d;
  --teal:#1db6ad;
  --teal-2:#89ead8;
  --gold:#e7c271;
  --gold-2:#f4dca3;
  --ink:#0b2740;
  --muted:#617589;
  --muted-2:#8fa2b2;
  --paper:#f5f8fb;
  --paper-2:#eef4f8;
  --white:#fff;
  --line:rgba(8,53,83,.10);
  --line-2:rgba(255,255,255,.10);
  --shadow:0 24px 60px rgba(2,24,40,.12);
  --shadow-2:0 18px 40px rgba(5,42,68,.18);
  --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;background:var(--paper);color:var(--ink);line-height:1.68;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.page-body{background:linear-gradient(180deg,#f5f8fb 0,#eef4f8 100%)}

.site-header{position:fixed;left:0;right:0;top:0;height:78px;z-index:80;display:flex;align-items:center;transition:.35s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(4,28,51,.88);backdrop-filter:blur(18px);box-shadow:0 8px 30px rgba(0,0,0,.10);border-color:rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(1320px,calc(100% - 42px));margin:auto}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:50%;border:1.2px solid rgba(255,255,255,.65);position:relative;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,rgba(137,234,216,.38),transparent 48%),linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.02))}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:50%;background:linear-gradient(135deg,var(--gold-2),var(--gold))}
.brand-mark:before{width:16px;height:26px;left:10px;top:7px;transform:rotate(32deg);opacity:.88}
.brand-mark:after{width:9px;height:18px;right:8px;bottom:8px;transform:rotate(-24deg);opacity:.92}
.brand-copy strong{display:block;font-family:"Songti SC","STSong",serif;font-weight:650;font-size:22px;letter-spacing:.14em;line-height:1}
.brand-copy span{display:block;margin-top:5px;font-size:8px;letter-spacing:.35em;opacity:.70}
.desktop-nav{display:flex;align-items:center;gap:24px;color:rgba(255,255,255,.82);font-size:14px;white-space:nowrap}
.desktop-nav a{position:relative;padding:29px 0 25px;transition:.25s}
.desktop-nav a:hover,.desktop-nav a.active{color:#fff}
.desktop-nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:14px;height:2px;background:var(--gold);transition:.25s}
.desktop-nav a:hover:after,.desktop-nav a.active:after{left:10%;right:10%}
.header-actions{display:flex;align-items:center;gap:12px}
.header-chip{border:1px solid rgba(255,255,255,.46);border-radius:999px;padding:10px 18px;color:#fff;font-size:13px;background:rgba(255,255,255,.05);transition:.25s}
.header-chip:hover{background:#fff;color:var(--navy)}
.menu-btn{width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.10);display:none;place-items:center;color:#fff;cursor:pointer}
.menu-btn i,.menu-btn i:before,.menu-btn i:after{display:block;width:18px;height:2px;background:currentColor;content:"";position:relative}.menu-btn i:before{position:absolute;top:-6px}.menu-btn i:after{position:absolute;top:6px}
.mobile-nav{position:fixed;z-index:75;top:72px;left:16px;right:16px;background:rgba(4,28,51,.98);color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:18px;display:none;box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-nav a{padding:13px 14px;border-radius:12px;background:rgba(255,255,255,.06);font-size:14px}

.hero{min-height:92vh;position:relative;padding:120px 0 78px;display:flex;align-items:center;color:#fff;overflow:hidden;background:radial-gradient(circle at 82% 20%,rgba(49,205,194,.20),transparent 26%),linear-gradient(115deg,#03182b 0%,#072b49 56%,#0b4873 100%)}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,17,30,.76) 0%,rgba(3,26,46,.36) 54%,rgba(2,22,38,.18) 100%)}
.hero-gridline{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:78px 78px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 82%);opacity:.42}
.hero-glow{position:absolute;width:720px;height:720px;border-radius:50%;right:-140px;top:-180px;background:radial-gradient(circle,rgba(137,234,216,.24) 0%,rgba(29,182,173,.08) 34%,transparent 66%);filter:blur(6px);animation:breathe 8s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.05);opacity:.8}}
#network{position:absolute;inset:0;width:100%;height:100%;opacity:.62;pointer-events:none}
.hero-inner{position:relative;z-index:3;width:min(1240px,calc(100% - 44px));margin:auto;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(440px,.98fr);gap:64px;align-items:center}
.hero-copy{padding-top:6px}
.eyebrow{display:flex;align-items:center;gap:14px;font-size:12px;letter-spacing:.26em;color:rgba(255,255,255,.72);text-transform:uppercase;margin-bottom:18px}
.eyebrow:before{content:"";width:1px;height:28px;background:linear-gradient(var(--gold),rgba(231,194,113,0))}
.hero h1{font-family:"Songti SC","STSong",serif;font-weight:600;font-size:clamp(54px,6vw,92px);line-height:1.02;letter-spacing:.04em;margin:0 0 16px}
.hero h1 .num{color:var(--gold);font-family:Georgia,serif;font-weight:500;margin-right:.14em}
.hero .subtitle{font-size:clamp(20px,2vw,30px);font-family:"Songti SC","STSong",serif;letter-spacing:.10em;color:rgba(255,255,255,.95);margin:0 0 18px}
.hero .lead{max-width:720px;color:rgba(255,255,255,.78);font-size:17px;line-height:1.95;margin:0 0 30px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 24px;border-radius:999px;font-weight:600;font-size:14px;transition:.25s}
.btn.primary{background:linear-gradient(135deg,#f1d89d,#d7a84c);color:#12263c;box-shadow:0 14px 30px rgba(215,168,76,.22)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(215,168,76,.28)}
.btn.secondary{border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.04);color:#fff}
.btn.secondary:hover{background:#fff;color:var(--navy)}
.hero-visual{position:relative;min-height:560px;border-radius:34px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-2);transform-style:preserve-3d;background:#0e3d61}
.hero-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,0) 32%,rgba(2,21,35,.05) 100%);z-index:2;pointer-events:none}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.floating-note{position:absolute;z-index:3;left:26px;right:26px;bottom:26px;max-width:470px;padding:18px 20px;border-radius:20px;background:rgba(4,28,51,.58);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(18px);box-shadow:0 20px 44px rgba(0,0,0,.14);font-size:14px;line-height:1.8;color:rgba(255,255,255,.82)}
.floating-note strong{display:block;color:#fff;margin-bottom:3px;font-size:16px}
.scroll-cue{position:absolute;z-index:3;left:50%;bottom:24px;transform:translateX(-50%);font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.48);text-transform:uppercase}
.hero-compact{min-height:72vh}
.hero-compact .hero-visual{min-height:500px}

.ribbon{margin-top:-1px;background:linear-gradient(90deg,rgba(7,41,67,.98),rgba(8,62,83,.95));color:#fff;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.ribbon-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.ribbon-item{display:flex;align-items:center;gap:16px;padding:22px 24px;border-right:1px solid rgba(255,255,255,.08)}
.ribbon-item:last-child{border-right:0}
.ribbon-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.10);color:var(--gold-2);font-size:18px;flex:0 0 auto}
.ribbon-item strong{display:block;font-size:18px;margin-bottom:2px;font-family:"Georgia","Songti SC",serif}
.ribbon-item span{display:block;font-size:12px;color:rgba(255,255,255,.68);line-height:1.6}

.section{padding:90px 0;position:relative}
.section.white{background:#fff}.section.soft{background:linear-gradient(180deg,#f7fbfd,#eef4f8)}
.section.deep{background:linear-gradient(135deg,#06223e,#0b4870);color:#fff}
.section-head{display:flex;justify-content:space-between;gap:48px;align-items:end;margin-bottom:34px}
.section-kicker{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:#0f7f7a;font-weight:700;margin-bottom:12px}
.section.deep .section-kicker{color:#aeead8}
.section-title{font-family:"Songti SC","STSong",serif;font-size:clamp(36px,4vw,54px);line-height:1.18;margin:0;letter-spacing:.04em}
.section-lead{max-width:620px;font-size:16px;color:var(--muted);line-height:1.95}
.section.deep .section-lead{color:rgba(255,255,255,.74)}
.story-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:start}
.story-panel{padding:34px;border-radius:30px;background:linear-gradient(180deg,#fff,#f5f9fc);border:1px solid var(--line);box-shadow:0 10px 34px rgba(4,39,60,.05)}
.story-panel p{color:var(--muted);font-size:15px}
.story-panel .bullet-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.story-panel .bullet-list li{padding-left:22px;position:relative;color:var(--muted)}
.story-panel .bullet-list li:before{content:"";position:absolute;left:0;top:.75em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--gold))}
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.value-card{padding:26px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 32px rgba(7,45,69,.05)}
.value-card .icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(29,182,173,.14),rgba(231,194,113,.18));color:#0f6d74;font-size:22px;margin-bottom:18px}
.value-card h3{margin:0 0 8px;font-size:20px}.value-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.metric-card{padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 28px rgba(5,42,67,.05)}
.metric-card strong{display:block;font:600 34px/1.1 Georgia,serif;color:#0b5d6c;margin-bottom:8px}
.metric-card span{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
.metric-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{padding:26px;background:#fff;border-radius:24px;border:1px solid var(--line);box-shadow:0 10px 30px rgba(4,39,60,.05)}
.feature-card .no{font:700 12px/1 Inter,sans-serif;letter-spacing:.26em;text-transform:uppercase;color:#d6a34b;margin-bottom:14px}
.feature-card h3{font-size:20px;margin:0 0 8px}.feature-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.85}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid rgba(215,168,76,.36);border-radius:999px;color:#8c6830;background:rgba(231,194,113,.08);font-size:12px;font-weight:700}

.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:28px}
.step-card{padding:22px 18px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05);position:relative}
.step-card .step-no{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#0b6d7a);color:#fff;font:700 12px/1 Inter,sans-serif;margin-bottom:14px}
.step-card h3{font-size:17px;margin:0 0 8px}.step-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}

.arch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.arch-card{padding:26px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.arch-card h3{margin:0 0 10px;font-size:21px}.arch-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.arch-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.85}
.structure-flow{margin-top:36px;padding:28px;border-radius:30px;background:linear-gradient(135deg,#082746,#0b4468);color:#fff;box-shadow:var(--shadow-2)}
.structure-flow .top{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center;margin-bottom:24px}
.flow-map{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.flow-node{padding:18px;border-radius:22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
.flow-node strong{display:block;font-size:14px;letter-spacing:.06em;color:#f3dba2;margin-bottom:8px}.flow-node p{margin:0;color:rgba(255,255,255,.76);font-size:13px;line-height:1.7}
.flow-bridge{display:flex;align-items:center;justify-content:center;color:#f3dba2;font-size:20px}

.history-intro{padding:0 0 24px;text-align:center}
.history-intro .section-title{color:#fff}
.history-intro .section-lead{margin:18px auto 0;color:rgba(255,255,255,.74)}
.history-wrap{position:relative;width:min(1160px,calc(100% - 24px));margin:10px auto 0;padding:10px 0 20px}
.history-wrap:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(180deg,rgba(243,219,162,.18),rgba(243,219,162,.8),rgba(243,219,162,.18));transform:translateX(-50%)}
.history-item{position:relative;width:calc(50% - 42px);margin:0 0 52px}
.history-item.left{margin-right:auto}
.history-item.right{margin-left:auto}
.history-item:before{content:"";position:absolute;top:38px;width:18px;height:18px;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 8px rgba(231,194,113,.12),0 0 16px rgba(231,194,113,.24)}
.history-item.left:before{right:-52px}.history-item.right:before{left:-52px}
.history-card{background:linear-gradient(180deg,rgba(11,39,68,.94),rgba(8,35,61,.98));border:1px solid rgba(231,194,113,.20);box-shadow:0 24px 46px rgba(0,0,0,.16);border-radius:24px;padding:28px;color:#fff;position:relative;overflow:hidden}
.history-card:after{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#e25d59,#f4dca3)}
.history-step{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:#ff8f87;font-weight:800;margin-bottom:10px}
.history-date{font-family:Georgia,serif;font-size:54px;line-height:1;color:var(--gold-2);margin-bottom:14px}
.history-card h3{margin:0 0 10px;font-size:32px;font-family:"Songti SC","STSong",serif;line-height:1.25}
.history-card p{margin:0;color:rgba(255,255,255,.78);font-size:14px;line-height:1.95}
.history-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.history-tags span{display:inline-flex;padding:8px 14px;border-radius:999px;border:1px solid rgba(244,220,163,.24);background:rgba(255,255,255,.05);font-size:12px;color:#f6dfac}

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.member{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.3s;box-shadow:0 10px 28px rgba(5,46,67,.05)}
.member:hover{transform:translateY(-6px);box-shadow:0 18px 50px rgba(5,46,67,.12)}
.member-photo{aspect-ratio:.79;overflow:hidden;background:#eef3f4}.member-photo img{width:100%;height:100%;object-fit:cover;transition:.5s}.member:hover img{transform:scale(1.03)}
.member-info{padding:18px 20px 20px}.member-info h3{margin:0 0 4px;font-size:17px}.member-info .role{display:block;color:#0f6d74;font-size:12px;font-weight:700;margin-bottom:8px;letter-spacing:.04em}.member-info p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}

.project-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.project-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 12px 32px rgba(5,48,70,.05);transition:.3s}
.project-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(5,48,70,.12)}
.project-card img{width:100%;aspect-ratio:1.36;object-fit:cover}
.project-card .body{padding:20px}.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e8f6f3;color:#0f7a74;font-size:11px;font-weight:700;margin-bottom:10px}.project-card h3{font-size:18px;margin:0 0 8px}.project-card p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 12px}.project-meta{display:grid;gap:6px;font-size:12px;color:#446071}

.case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:34px}
.case-panel{padding:28px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.case-list{display:grid;gap:16px}
.case-item{padding:18px 18px 18px 20px;border-radius:18px;background:#f7fbfd;border:1px solid var(--line)}
.case-item strong{display:block;font-size:16px;margin-bottom:6px}.case-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}

.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guarantee-card{padding:26px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px rgba(5,42,67,.05)}
.guarantee-card h3{margin:0 0 10px;font-size:20px}.guarantee-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.guarantee-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.85}
.contact-panel{padding:30px;border-radius:28px;background:linear-gradient(135deg,#06223e,#0b476f);color:#fff;box-shadow:var(--shadow-2)}
.contact-panel h3{margin:0 0 10px;font-size:30px;font-family:"Songti SC","STSong",serif}
.contact-panel p{margin:0;color:rgba(255,255,255,.76);font-size:15px;line-height:1.9}.contact-panel .cta-row{margin-top:22px}

.quote-band{padding:84px 0;background:linear-gradient(120deg,#052b46,#07546a);color:#fff;position:relative;overflow:hidden}
.quote-band:before{content:"";position:absolute;inset:-80% 55% -80% -10%;background:radial-gradient(circle,rgba(112,224,200,.16),transparent 56%)}
.quote{position:relative;max-width:940px;margin:auto;text-align:center;font-family:"Songti SC","STSong",serif;font-size:clamp(28px,3vw,44px);line-height:1.5}.quote small{display:block;font:400 12px/1.6 "Inter",sans-serif;letter-spacing:.18em;color:rgba(255,255,255,.62);margin-top:22px;text-transform:uppercase}

.footer{background:#031d30;color:rgba(255,255,255,.64);padding:46px 0 28px}.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.09)}.footer .brand{margin-bottom:16px}.footer-note{max-width:560px;font-size:12px;line-height:1.9}.footer-links{display:flex;flex-wrap:wrap;gap:15px 22px;font-size:12px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:10px;padding-top:22px;color:rgba(255,255,255,.38)}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .75s ease,transform .75s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.08s}.delay-2{transition-delay:.16s}.delay-3{transition-delay:.24s}

/* intro page */
.intro-page{min-height:100vh;position:relative;overflow:hidden;background:radial-gradient(circle at 80% 20%,rgba(39,197,183,.18),transparent 22%),linear-gradient(125deg,#031626 0%,#072847 54%,#0b4874 100%);color:#fff}
.intro-page:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,13,23,.86),rgba(3,25,44,.38) 55%,rgba(3,27,48,.16) 100%)}
.intro-gridline{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:82px 82px;opacity:.32}
.intro-wrap{position:relative;z-index:3;min-height:100vh;display:grid;grid-template-columns:1fr .95fr;gap:64px;align-items:center;width:min(1240px,calc(100% - 44px));margin:auto;padding:90px 0 50px}
.intro-copy h1{font-family:"Songti SC","STSong",serif;font-size:clamp(60px,7vw,102px);line-height:1.02;margin:0 0 18px;letter-spacing:.05em}
.intro-copy .lead{max-width:720px;font-size:18px;line-height:2;color:rgba(255,255,255,.78);margin:0 0 28px}
.intro-subtitle{font-family:"Songti SC","STSong",serif;font-size:clamp(24px,2.2vw,34px);letter-spacing:.12em;color:#fff;margin:0 0 16px}
.intro-stage{position:relative;height:42px;margin:0 0 22px;overflow:hidden}
.intro-stage span{position:absolute;left:0;top:0;font-size:18px;letter-spacing:.08em;color:#f1d89d;opacity:0;transform:translateY(16px);animation:stageCycle 12s infinite}
.intro-stage span:nth-child(2){animation-delay:3s}.intro-stage span:nth-child(3){animation-delay:6s}.intro-stage span:nth-child(4){animation-delay:9s}
@keyframes stageCycle{0%,10%{opacity:0;transform:translateY(16px)}16%,24%{opacity:1;transform:translateY(0)}30%,100%{opacity:0;transform:translateY(-14px)}}
.intro-progress{height:6px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden;max-width:460px}
.intro-progress i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#f3dfb0,#1db6ad);animation:loadBar 8s linear forwards}
@keyframes loadBar{to{width:100%}}
.intro-meta{display:flex;align-items:center;gap:16px;margin-top:16px;font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.54);text-transform:uppercase}
.intro-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.skip-btn{border:1px solid rgba(255,255,255,.30);color:#fff;padding:12px 18px;border-radius:999px;background:rgba(255,255,255,.05)}
.intro-visual{position:relative;min-height:580px;border-radius:36px;border:1px solid rgba(255,255,255,.14);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));box-shadow:var(--shadow-2)}
.intro-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.66}
.intro-orbit{position:absolute;inset:12%;border-radius:50%;border:1px solid rgba(255,255,255,.16);animation:spin 32s linear infinite}
.intro-orbit:before,.intro-orbit:after{content:"";position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.18)}
.intro-orbit:before{inset:13%}.intro-orbit:after{inset:28%;animation:spin 16s linear infinite reverse}
.intro-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:210px;height:210px;border-radius:50%;display:grid;place-items:center;text-align:center;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.12),rgba(4,28,51,.85)),linear-gradient(145deg,#073d5d,#119886);border:1px solid rgba(255,255,255,.16);box-shadow:0 22px 60px rgba(5,69,85,.24)}
.intro-core strong{display:block;font-family:"Songti SC","STSong",serif;font-size:36px;letter-spacing:.10em}
.intro-core span{display:block;margin-top:10px;font-size:12px;letter-spacing:.18em;color:rgba(255,255,255,.72);line-height:1.8}
.orbit-note{position:absolute;padding:12px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.14);background:rgba(4,28,51,.56);backdrop-filter:blur(14px);font-size:13px;color:rgba(255,255,255,.82);box-shadow:0 14px 34px rgba(0,0,0,.14)}
.orbit-note.n1{left:10%;top:18%}.orbit-note.n2{right:7%;top:24%}.orbit-note.n3{right:12%;bottom:18%}.orbit-note.n4{left:14%;bottom:14%}
.intro-footer{position:absolute;z-index:3;left:50%;bottom:16px;transform:translateX(-50%);font-size:11px;letter-spacing:.28em;color:rgba(255,255,255,.50);text-transform:uppercase}

@media(max-width:1180px){.desktop-nav{display:none}.menu-btn{display:grid}.hero-inner,.intro-wrap{grid-template-columns:1fr;gap:34px}.hero-visual,.intro-visual{min-height:430px}.feature-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}.project-grid{grid-template-columns:repeat(3,1fr)}.team-grid{grid-template-columns:repeat(3,1fr)}.guarantee-grid,.arch-grid{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(3,1fr)}.ribbon-grid{grid-template-columns:repeat(2,1fr)}.ribbon-item:nth-child(2){border-right:0}.ribbon-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.08)}.flow-map{grid-template-columns:repeat(3,1fr)}.history-item{width:calc(50% - 28px)}}
@media(max-width:860px){.container{width:min(100% - 28px,1180px)}.site-header{height:68px}.header-inner{width:calc(100% - 28px)}.brand-copy strong{font-size:18px}.brand-copy span{display:none}.brand-mark{width:36px;height:36px}.header-chip{display:none}.hero,.hero-compact{padding:96px 0 64px;min-height:auto}.hero-inner,.intro-wrap{width:calc(100% - 28px)}.hero h1,.intro-copy h1{font-size:clamp(50px,14vw,78px)}.hero .subtitle,.intro-subtitle{font-size:20px}.hero .lead,.intro-copy .lead{font-size:14px;line-height:1.9}.hero-visual,.intro-visual{min-height:380px}.scroll-cue,.intro-footer{display:none}.ribbon-grid{grid-template-columns:1fr}.ribbon-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.ribbon-item:last-child{border-bottom:0}.section{padding:74px 0}.section-head{display:block}.section-head .section-lead{margin-top:14px}.story-grid,.case-grid{grid-template-columns:1fr}.values,.feature-grid,.metric-grid,.guarantee-grid,.arch-grid{grid-template-columns:1fr}.project-grid,.team-grid{grid-template-columns:1fr 1fr}.process,.flow-map{grid-template-columns:1fr 1fr}.flow-bridge{display:none}.structure-flow .top{grid-template-columns:1fr}.history-wrap:before{left:18px;transform:none}.history-item,.history-item.left,.history-item.right{width:auto;margin-left:46px;margin-right:0}.history-item:before,.history-item.left:before,.history-item.right:before{left:-37px;right:auto;top:30px}.history-date{font-size:42px}.history-card h3{font-size:26px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:24px}.footer-bottom div+div{margin-top:8px}.intro-page{min-height:auto}.intro-wrap{padding:92px 0 36px}.intro-stage{height:50px}.orbit-note{display:none}}
@media(max-width:520px){.project-grid,.team-grid,.process,.flow-map{grid-template-columns:1fr}.hero-visual,.intro-visual{min-height:320px}.floating-note{left:16px;right:16px;bottom:16px;max-width:none}.cta-row .btn,.intro-actions .btn,.intro-actions .skip-btn{width:100%}.mobile-nav.open{grid-template-columns:1fr 1fr}.section-title{font-size:36px}.intro-core{width:170px;height:170px}.intro-core strong{font-size:28px}}


/* second-round refinements */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.info-card,.table-card,.faq-item,.accent-panel,.stack-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 28px rgba(5,42,67,.05)}
.info-card{padding:26px}.info-card h3,.table-card h3,.accent-panel h3,.stack-card h3{margin:0 0 10px;font-size:22px}.info-card p,.table-card p,.accent-panel p,.stack-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.info-card ul,.table-card ul,.accent-panel ul,.stack-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.85}
.accent-panel{padding:28px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#fff;box-shadow:var(--shadow-2)}
.accent-panel p,.accent-panel ul{color:rgba(255,255,255,.76)}
.accent-panel .section-kicker{color:#b9f3e4}
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.partner-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.partner-card .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(29,182,173,.14),rgba(231,194,113,.18));color:#0f6d74;font-size:20px;margin-bottom:14px}
.partner-card h3{margin:0 0 8px;font-size:18px}.partner-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.partner-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.8}
.mini-timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.mini-step{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.mini-step strong{display:block;font:700 12px/1 Inter,sans-serif;letter-spacing:.22em;color:#d6a34b;text-transform:uppercase;margin-bottom:12px}.mini-step h3{margin:0 0 8px;font-size:18px}.mini-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.number-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.number-box{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.number-box strong{display:block;font:600 36px/1.1 Georgia,serif;color:#0c6771;margin-bottom:8px}.number-box span{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.number-box p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.matrix{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:1px;background:var(--line);border-radius:22px;overflow:hidden;margin-top:24px}
.matrix .cell{background:#fff;padding:18px 16px;font-size:13px;line-height:1.75;color:var(--muted)}
.matrix .head{background:#eff5f8;font-weight:700;color:var(--ink)}
.matrix .side{font-weight:700;color:var(--ink)}
.case-study{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:28px}
.case-highlight{padding:28px;border-radius:26px;background:linear-gradient(135deg,#082746,#0b4368);color:#fff;box-shadow:var(--shadow-2)}
.case-highlight h3{margin:0 0 12px;font-size:30px;font-family:"Songti SC","STSong",serif}.case-highlight p{margin:0;color:rgba(255,255,255,.78);font-size:14px;line-height:1.9}
.badge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.badge{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10)}.badge strong{display:block;font-size:14px;color:#f5deb0;margin-bottom:6px}.badge p{margin:0;color:rgba(255,255,255,.76);font-size:12px;line-height:1.75}
.faq-list{display:grid;gap:16px;margin-top:26px}.faq-item{padding:24px}.faq-item h3{margin:0 0 10px;font-size:18px}.faq-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.dual-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}
.stack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.stack-card{padding:24px}
.list-check{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}.list-check li{padding-left:22px;position:relative;color:var(--muted);font-size:13px;line-height:1.8}.list-check li:before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--gold))}
@media(max-width:1180px){.partner-grid,.number-strip,.stack-grid{grid-template-columns:repeat(2,1fr)}.mini-timeline{grid-template-columns:1fr 1fr}.case-study,.dual-panel,.grid-2{grid-template-columns:1fr}.matrix{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.partner-grid,.number-strip,.stack-grid,.mini-timeline,.dual-panel,.grid-2{grid-template-columns:1fr}.matrix{grid-template-columns:1fr}.matrix .head:nth-child(n+2){display:none}}


/* third-round premium refinement */
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px;max-width:720px}
.hero-stat{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(12px)}
.hero-stat strong{display:block;font:600 30px/1.1 Georgia,serif;color:#f3dfb0;margin-bottom:6px}.hero-stat span{display:block;color:#fff;font-size:13px;font-weight:700;margin-bottom:4px}.hero-stat p{margin:0;color:rgba(255,255,255,.72);font-size:12px;line-height:1.75}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-tags span{display:inline-flex;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);font-size:12px;color:rgba(255,255,255,.84)}
.section-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.section-nav a{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted);transition:.25s}.section-nav a:hover{border-color:#9fc9cb;color:#0f6d74;transform:translateY(-1px)}
.marquee-wrap{margin-top:26px;padding:16px;border-radius:18px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);overflow:hidden}
.marquee{display:flex;gap:26px;min-width:max-content;animation:marq 20s linear infinite}.marquee span{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.72)}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-30%)}}
.premium-band{padding:20px 0;background:linear-gradient(90deg,#092846,#0f5d75);color:#fff;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.premium-band .row{display:flex;flex-wrap:wrap;gap:16px 22px;align-items:center;justify-content:space-between}.premium-band .item{display:flex;align-items:center;gap:12px}.premium-band .dot{width:10px;height:10px;border-radius:50%;background:#f3dfb0;box-shadow:0 0 0 6px rgba(243,223,176,.12)}.premium-band strong{font-size:14px}.premium-band span{font-size:12px;color:rgba(255,255,255,.68)}
.notice-card{padding:24px;border-radius:22px;background:linear-gradient(135deg,#f9fcfd,#edf5f8);border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.notice-card h3{margin:0 0 10px;font-size:22px}.notice-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}
.notice-card + .notice-card{margin-top:18px}
.roadmap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.roadmap-card{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.roadmap-card strong{display:block;font:700 12px/1 Inter,sans-serif;letter-spacing:.22em;text-transform:uppercase;color:#d6a34b;margin-bottom:12px}.roadmap-card h3{margin:0 0 10px;font-size:20px}.roadmap-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.signature-panel{padding:30px;border-radius:28px;background:linear-gradient(135deg,#072848,#0d5374);color:#fff;box-shadow:var(--shadow-2)}
.signature-panel h3{margin:0 0 12px;font-size:30px;font-family:"Songti SC","STSong",serif}.signature-panel p{margin:0;color:rgba(255,255,255,.78);font-size:15px;line-height:1.95}
.signature-panel .pill-row{margin-top:18px}
.anchor-card{padding:28px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.anchor-card h3{margin:0 0 12px;font-size:28px;font-family:"Songti SC","STSong",serif}.anchor-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}
@media(max-width:1180px){.hero-stats,.roadmap-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.hero-stats,.roadmap-grid{grid-template-columns:1fr}.section-nav{gap:8px}.premium-band .row{display:grid;grid-template-columns:1fr}.marquee{animation-duration:26s}}


/* fourth-round final refinement */
.timeline-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.summary-card{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.summary-card strong{display:block;font:700 12px/1 Inter,sans-serif;letter-spacing:.22em;text-transform:uppercase;color:#d6a34b;margin-bottom:12px}.summary-card h3{margin:0 0 8px;font-size:20px}.summary-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.principle-card{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(5,42,67,.05)}
.principle-card h3{margin:0 0 10px;font-size:20px}.principle-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.principle-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.85}
@media(max-width:1180px){.timeline-summary,.principle-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.timeline-summary,.principle-grid{grid-template-columns:1fr}}


/* fifth-round refined intro */
.intro-shimmer{position:absolute;inset:-20% -10% auto auto;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(243,223,176,.18),rgba(243,223,176,.04) 36%,transparent 68%);filter:blur(10px);animation:introPulse 9s ease-in-out infinite}
@keyframes introPulse{50%{transform:scale(1.08) translateY(8px);opacity:.88}}
.intro-copy .lead strong{color:#f3dfb0;font-weight:650}
.intro-chips{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.intro-chips span{display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);font-size:12px;color:rgba(255,255,255,.86);backdrop-filter:blur(10px)}
.intro-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:720px;margin-top:24px}
.intro-metric{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(12px);box-shadow:0 12px 30px rgba(0,0,0,.08)}
.intro-metric strong{display:block;font:600 30px/1.1 Georgia,serif;color:#f3dfb0;margin-bottom:6px}.intro-metric span{display:block;font-size:13px;font-weight:700;color:#fff;margin-bottom:4px}.intro-metric p{margin:0;color:rgba(255,255,255,.72);font-size:12px;line-height:1.7}
.intro-visual{background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.03));}
.intro-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0) 32%,rgba(3,18,32,.18));z-index:1;pointer-events:none}
.intro-world{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;pointer-events:none}
.intro-world svg{width:84%;max-width:540px;opacity:.18;filter:drop-shadow(0 8px 18px rgba(9,115,115,.22))}
.intro-core{z-index:3}
.intro-orbit{z-index:2}
.intro-card{position:absolute;z-index:3;padding:16px 18px;border-radius:18px;border:1px solid rgba(255,255,255,.15);background:rgba(4,28,51,.54);backdrop-filter:blur(14px);box-shadow:0 18px 36px rgba(0,0,0,.14);min-width:170px}
.intro-card strong{display:block;font-size:14px;color:#f3dfb0;margin-bottom:6px}.intro-card p{margin:0;color:rgba(255,255,255,.76);font-size:12px;line-height:1.75}
.intro-card.c1{left:6%;top:10%;animation:floatY 6s ease-in-out infinite}
.intro-card.c2{right:4%;top:16%;animation:floatY 7s ease-in-out infinite .8s}
.intro-card.c3{right:8%;bottom:12%;animation:floatY 8s ease-in-out infinite 1.1s}
.intro-card.c4{left:10%;bottom:10%;animation:floatY 7.5s ease-in-out infinite .4s}
@keyframes floatY{50%{transform:translateY(-8px)}}
.intro-line{position:absolute;z-index:2;inset:0;background:radial-gradient(circle at 50% 50%,transparent 0 170px, rgba(255,255,255,.08) 171px 172px, transparent 173px), radial-gradient(circle at 50% 50%,transparent 0 250px, rgba(255,255,255,.06) 251px 252px, transparent 253px)}
.intro-quote{margin-top:22px;padding:14px 16px;border-left:2px solid rgba(243,223,176,.75);background:rgba(255,255,255,.05);border-radius:0 16px 16px 0;color:rgba(255,255,255,.78);font-size:14px;line-height:1.9;max-width:680px}
@media(max-width:1180px){.intro-metrics{grid-template-columns:1fr 1fr}.intro-card{display:none}.intro-world svg{width:72%}}
@media(max-width:760px){.intro-metrics{grid-template-columns:1fr}.intro-chips span{font-size:11px}.intro-quote{font-size:13px;padding:12px 14px}}


/* sixth-round final polish */
.site-header:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);opacity:0;transition:.3s}
.site-header.scrolled:after{opacity:1}
.header-chip{box-shadow:0 8px 24px rgba(0,0,0,.08)}
.intro-page:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,255,255,.06),transparent 22%),radial-gradient(circle at 76% 72%,rgba(137,234,216,.08),transparent 24%);pointer-events:none}
.intro-visual{transition:transform .18s ease-out, box-shadow .3s ease;box-shadow:0 26px 70px rgba(4,30,48,.22)}
.intro-core{animation:coreBreathe 7.5s ease-in-out infinite;transition:transform .16s ease-out}
@keyframes coreBreathe{50%{box-shadow:0 26px 74px rgba(5,69,85,.34);filter:saturate(1.06)}}
.intro-card{transition:transform .18s ease-out, background .25s ease, border-color .25s ease}
.intro-card:hover{background:rgba(4,28,51,.66);border-color:rgba(255,255,255,.24)}
.intro-copy h1{text-shadow:0 12px 32px rgba(0,0,0,.18)}
.intro-subtitle{color:rgba(255,255,255,.98)}
.intro-progress{box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.intro-metric,.hero-stat{position:relative;overflow:hidden}
.intro-metric:before,.hero-stat:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.08) 48%,transparent 62%);transform:translateX(-110%);animation:metricShine 8s ease-in-out infinite}
@keyframes metricShine{20%,100%{transform:translateX(130%)}}
.member,.project-card,.partner-card,.arch-card,.feature-card,.guarantee-card{transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease}
.member:hover,.project-card:hover,.partner-card:hover,.arch-card:hover,.feature-card:hover,.guarantee-card:hover{box-shadow:0 20px 40px rgba(5,42,67,.10);border-color:rgba(8,53,83,.16)}
.member-photo img{filter:saturate(1.02) contrast(1.01)}
.contact-panel{background:linear-gradient(135deg,#fdfefe,#edf5f7)}
.footer{position:relative;overflow:hidden}.footer:before{content:"";position:absolute;inset:-30% 50% auto -12%;width:540px;height:540px;border-radius:50%;background:radial-gradient(circle,rgba(137,234,216,.10),transparent 64%)}
@media(max-width:760px){.intro-visual{transform:none !important}.intro-card{transform:none !important}}


/* seventh-round rationalization + stronger intro animation */
.notice-card h3,.anchor-card h3{line-height:1.35}
.section-lead{word-break:break-word}
.intro-world path{stroke-dasharray:900;stroke-dashoffset:900;animation:drawPath 8s ease-in-out infinite alternate}
.intro-world path:nth-of-type(2){animation-delay:1.1s}
.intro-world circle{animation:pulseNode 2.8s ease-in-out infinite}
.intro-world circle:nth-of-type(2n){animation-delay:.6s}
@keyframes drawPath{0%{stroke-dashoffset:900;opacity:.15}25%,85%{stroke-dashoffset:0;opacity:.95}100%{stroke-dashoffset:0;opacity:.65}}
@keyframes pulseNode{0%,100%{transform:scale(1);opacity:.78}50%{transform:scale(1.35);opacity:1}}
.intro-beam{position:absolute;z-index:2;border-radius:999px;filter:blur(1px);opacity:.55;mix-blend-mode:screen;animation:beamFloat 7s ease-in-out infinite}
.intro-beam.b1{width:240px;height:2px;left:12%;top:38%;background:linear-gradient(90deg,transparent,rgba(243,223,176,.9),transparent);transform:rotate(-12deg)}
.intro-beam.b2{width:300px;height:2px;right:10%;top:56%;background:linear-gradient(90deg,transparent,rgba(168,241,230,.92),transparent);transform:rotate(16deg);animation-delay:1.2s}
.intro-beam.b3{width:180px;height:2px;left:40%;bottom:24%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.82),transparent);transform:rotate(-28deg);animation-delay:2.1s}
@keyframes beamFloat{50%{transform:translateY(-6px) scaleX(1.08) rotate(var(--r,0deg));opacity:.9}}
.intro-particles{position:absolute;inset:0;z-index:2;pointer-events:none}
.intro-particles span{position:absolute;width:8px;height:8px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.95),rgba(255,255,255,.18));box-shadow:0 0 14px rgba(255,255,255,.35);animation:particleMove 10s linear infinite}
.intro-particles span:nth-child(1){left:18%;top:22%;animation-duration:9s}
.intro-particles span:nth-child(2){left:74%;top:24%;animation-duration:11s;animation-delay:1s}
.intro-particles span:nth-child(3){left:58%;top:64%;animation-duration:8s;animation-delay:.4s}
.intro-particles span:nth-child(4){left:26%;top:70%;animation-duration:12s;animation-delay:1.8s}
.intro-particles span:nth-child(5){left:48%;top:18%;animation-duration:10s;animation-delay:2.4s}
.intro-particles span:nth-child(6){left:82%;top:60%;animation-duration:13s;animation-delay:.7s}
@keyframes particleMove{0%{transform:translate3d(0,0,0) scale(.75);opacity:0}8%{opacity:1}50%{transform:translate3d(10px,-18px,0) scale(1)}100%{transform:translate3d(-8px,-36px,0) scale(.75);opacity:0}}
.intro-stage span{font-weight:600}
.intro-card strong{letter-spacing:.04em}
@media(max-width:760px){.intro-beam{display:none}}


/* eighth-round cinematic intro */
.intro-opening{position:fixed;inset:0;z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 45%,#0b4969 0%,#052944 38%,#031827 78%);color:#fff;animation:openingExit 2.6s cubic-bezier(.7,0,.2,1) forwards;pointer-events:none}
.opening-mark{width:76px;height:76px;border-radius:50%;border:1px solid rgba(255,255,255,.46);position:relative;margin-bottom:22px;box-shadow:0 0 40px rgba(137,234,216,.16);animation:openingMark 1.6s ease both}
.opening-mark:before,.opening-mark:after,.opening-mark span{content:"";position:absolute;border-radius:50%;background:linear-gradient(135deg,#f3dfb0,#62d6c7)}
.opening-mark:before{width:27px;height:43px;left:18px;top:12px;transform:rotate(32deg)}
.opening-mark:after{width:16px;height:30px;right:14px;bottom:12px;transform:rotate(-25deg)}
.opening-mark span{width:7px;height:7px;left:50%;top:50%;margin:-3.5px;box-shadow:0 0 0 0 rgba(137,234,216,.38);animation:openingPulse 1.6s ease-in-out infinite}
.opening-title{font-family:"Songti SC","STSong",serif;font-size:clamp(44px,6vw,76px);letter-spacing:.16em;margin-left:.16em;opacity:0;animation:openingText .9s .35s ease forwards}
.opening-sub{font-size:12px;letter-spacing:.42em;margin-top:10px;color:rgba(255,255,255,.66);opacity:0;animation:openingText .9s .6s ease forwards}
.opening-line{height:1px;width:0;margin-top:28px;background:linear-gradient(90deg,transparent,#f3dfb0,transparent);animation:openingLine 1.1s .65s ease forwards}
.opening-copy{font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.72);margin-top:18px;opacity:0;animation:openingText .8s .9s ease forwards}
@keyframes openingMark{0%{transform:scale(.72) rotate(-16deg);opacity:0}100%{transform:scale(1) rotate(0);opacity:1}}
@keyframes openingPulse{50%{box-shadow:0 0 0 14px rgba(137,234,216,0);transform:scale(1.4)}}
@keyframes openingText{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes openingLine{to{width:min(320px,54vw)}}
@keyframes openingExit{0%,72%{opacity:1;visibility:visible}100%{opacity:0;visibility:hidden}}

.intro-wrap{opacity:0;transform:translateY(18px);animation:introContentIn 1.1s 2.15s ease forwards}
@keyframes introContentIn{to{opacity:1;transform:none}}
.intro-scan{position:absolute;z-index:2;left:-25%;right:-25%;top:-12%;height:22%;background:linear-gradient(180deg,transparent,rgba(137,234,216,.08),rgba(243,223,176,.12),transparent);filter:blur(10px);transform:rotate(-8deg);animation:scanSweep 6s 2.3s ease-in-out infinite}
@keyframes scanSweep{0%{top:-18%;opacity:0}12%{opacity:.9}70%{opacity:.55}100%{top:108%;opacity:0}}
.intro-radar{position:absolute;z-index:2;left:50%;top:50%;width:64%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);background:conic-gradient(from 0deg,rgba(137,234,216,.18),transparent 11%,transparent 100%);mask:radial-gradient(circle,transparent 0 45%,#000 46% 100%);animation:radarSpin 7s linear infinite;opacity:.66}
@keyframes radarSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.intro-orbit:before{animation:spin 18s linear infinite}
.intro-orbit:after{animation:spin 11s linear infinite reverse}
.intro-core:after{content:"";position:absolute;inset:-12px;border-radius:50%;border:1px solid rgba(243,223,176,.26);animation:coreRing 2.8s ease-in-out infinite}
@keyframes coreRing{0%,100%{transform:scale(.94);opacity:.25}50%{transform:scale(1.08);opacity:.8}}
.intro-chips span{animation:chipFloat 5s ease-in-out infinite}.intro-chips span:nth-child(2){animation-delay:.7s}.intro-chips span:nth-child(3){animation-delay:1.4s}.intro-chips span:nth-child(4){animation-delay:2.1s}
@keyframes chipFloat{50%{transform:translateY(-3px);border-color:rgba(243,223,176,.30)}}
.intro-metric{animation:metricFloat 6s ease-in-out infinite}.intro-metric:nth-child(2){animation-delay:.9s}.intro-metric:nth-child(3){animation-delay:1.8s}
@keyframes metricFloat{50%{transform:translateY(-5px);background:rgba(255,255,255,.09)}}

.member-photo{position:relative}.member-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(3,29,48,.08));pointer-events:none}
.member:nth-child(3n+1) .member-photo img{object-position:center 20%}.member:nth-child(3n+2) .member-photo img{object-position:center 18%}.member:nth-child(3n) .member-photo img{object-position:center 22%}
.member-info{min-height:176px}.member-info h3{font-size:18px}.member-info .role{min-height:34px}

.footer-bottom:after{content:"成员与项目资料以上线发布版本为准";display:block;margin-top:6px;color:rgba(255,255,255,.28);font-size:9px;letter-spacing:.08em}
@media(max-width:760px){.intro-opening{animation-duration:2.2s}.intro-wrap{animation-delay:1.8s}.opening-title{font-size:48px}.opening-copy{font-size:11px}.intro-radar{width:84%}}
@media(prefers-reduced-motion:reduce){.intro-opening{animation:none;display:none}.intro-wrap{opacity:1;transform:none;animation:none}.intro-scan,.intro-radar,.intro-beam,.intro-particles span,.intro-world path,.intro-world circle,.intro-core:after,.intro-chips span,.intro-metric{animation:none !important}}


/* ninth-round home + team refinement */
.intro-stage{display:grid;gap:10px;margin:18px 0 14px;position:relative}
.intro-stage span{display:block;padding-left:14px;position:relative;color:rgba(255,255,255,.95);opacity:0;transform:translateY(16px);animation:stageLine 8.6s ease-in-out infinite}
.intro-stage span:before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:#f3dfb0;box-shadow:0 0 0 6px rgba(243,223,176,.12)}
.intro-stage span:nth-child(1){animation-delay:.2s}.intro-stage span:nth-child(2){animation-delay:1.2s}.intro-stage span:nth-child(3){animation-delay:2.2s}.intro-stage span:nth-child(4){animation-delay:3.2s}
@keyframes stageLine{0%,100%{opacity:0;transform:translateY(16px)}10%,24%{opacity:1;transform:translateY(0)}30%,100%{opacity:.82;transform:translateY(0)}}
.intro-visual img{animation:introZoom 10s ease-in-out infinite alternate;transform-origin:center center}
@keyframes introZoom{0%{transform:scale(1)}100%{transform:scale(1.05)}}
.intro-orbit{animation:orbitSpin 16s linear infinite !important}
@keyframes orbitSpin{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.intro-radar{animation:radarSpin 4.6s linear infinite !important;opacity:.74}
.intro-scan{animation:scanSweep 4.8s ease-in-out infinite !important;opacity:.95}
.intro-world svg{animation:worldFloat 8s ease-in-out infinite}
@keyframes worldFloat{50%{transform:translateY(-8px)}}
.intro-card{opacity:0;animation:cardIn .9s ease forwards, floatY 7.2s ease-in-out infinite 1.2s}
.intro-card.c1{animation-delay:.9s,1.8s}.intro-card.c2{animation-delay:1.2s,2.1s}.intro-card.c3{animation-delay:1.5s,2.4s}.intro-card.c4{animation-delay:1.8s,2.7s}
@keyframes cardIn{from{opacity:0;transform:translateY(22px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
.intro-metric{backdrop-filter:blur(18px);border-color:rgba(255,255,255,.18)}
.team-grid{align-items:stretch}
.member{overflow:hidden}
.member-photo{aspect-ratio:4/5;background:linear-gradient(180deg,#f3f7fa,#e8eef4)}
.member-photo img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .35s ease, filter .35s ease;filter:saturate(1.02) contrast(1.02)}
.member:hover .member-photo img{transform:scale(1.04);filter:saturate(1.08) contrast(1.03)}
.member-info h3{letter-spacing:.02em}
.quote-band{margin-top:10px}


/* tenth-round final polish */
.intro-page{background:radial-gradient(circle at 78% 18%,rgba(47,202,187,.20),transparent 24%),radial-gradient(circle at 18% 82%,rgba(231,194,113,.10),transparent 22%),linear-gradient(125deg,#02131f 0%,#05243e 50%,#0a4567 100%)}
.intro-horizon{position:absolute;z-index:2;left:8%;right:8%;top:50%;height:1px;background:linear-gradient(90deg,transparent,rgba(243,223,176,.32),rgba(137,234,216,.35),transparent);box-shadow:0 0 28px rgba(137,234,216,.16);animation:horizonGlow 5.2s ease-in-out infinite}
@keyframes horizonGlow{50%{opacity:.45;transform:scaleX(.94)}}
.intro-status{position:absolute;z-index:4;left:50%;bottom:22px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:9px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(3,25,43,.54);backdrop-filter:blur(14px);font-size:9px;letter-spacing:.18em;color:rgba(255,255,255,.62);white-space:nowrap}
.intro-status i{width:4px;height:4px;border-radius:50%;background:#f3dfb0;box-shadow:0 0 0 4px rgba(243,223,176,.08)}
.intro-core{box-shadow:0 28px 80px rgba(4,75,92,.30),inset 0 0 0 1px rgba(255,255,255,.06)}
.intro-card{border-color:rgba(255,255,255,.18);background:linear-gradient(180deg,rgba(7,39,64,.62),rgba(3,29,48,.48));}
.intro-card strong{font-size:13px}.intro-card p{font-size:11px;line-height:1.65}
.member-info{min-height:180px;display:flex;flex-direction:column}
.member-info p{margin-top:auto}
.member-photo{border-bottom:1px solid rgba(8,53,83,.08)}
@media(max-width:760px){.intro-status{display:none}}


/* twelfth-round council leadership layout */
.leader-section{display:flex;justify-content:center;margin-bottom:26px}
.leader-card{display:grid;grid-template-columns:300px 1fr;gap:0;max-width:820px;width:100%;background:linear-gradient(135deg,#fff,#f7fbfd);border:1px solid rgba(8,53,83,.12);border-radius:26px;overflow:hidden;box-shadow:0 16px 44px rgba(5,46,67,.09);transition:transform .3s ease,box-shadow .3s ease;position:relative}
.leader-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#0b4a72,#d6a34b,#0b4a72)}
.leader-card:hover{transform:translateY(-5px);box-shadow:0 26px 60px rgba(5,46,67,.14)}
.leader-photo{aspect-ratio:4/5;overflow:hidden;background:linear-gradient(180deg,#eef3f4,#e0e8ec);position:relative}
.leader-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(3,29,48,.12));pointer-events:none}
.leader-photo img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .5s ease,filter .4s ease;filter:saturate(1.03) contrast(1.02)}
.leader-card:hover .leader-photo img{transform:scale(1.04);filter:saturate(1.08) contrast(1.04)}
.leader-info{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;position:relative}
.leader-info .council-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#f3dfb0;font-size:11px;font-weight:700;letter-spacing:.14em;margin-bottom:16px;width:fit-content;box-shadow:0 4px 14px rgba(7,43,73,.25)}
.leader-info .council-badge i{width:6px;height:6px;border-radius:50%;background:#f3dfb0;box-shadow:0 0 0 4px rgba(243,223,176,.18)}
.leader-info h3{margin:0 0 8px;font-size:28px;font-family:"Songti SC","STSong",serif;color:#0a3042;letter-spacing:.03em}
.leader-info .role{display:inline-flex;align-items:center;gap:8px;color:#0f6d74;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.05em;padding-bottom:12px;border-bottom:2px solid rgba(15,109,116,.18);width:fit-content}
.leader-info .role:before{content:"";width:4px;height:4px;border-radius:50%;background:#d6a34b}
.leader-info p{margin:0;color:var(--muted);font-size:14px;line-height:1.95}
.team-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.team-row .member{border-radius:20px}
.team-row .member-photo{aspect-ratio:4/5}
.team-row .member-info{min-height:160px;padding:16px 18px 18px}
.team-row .member-info h3{font-size:16px}
.team-row .member-info .role{font-size:11.5px;min-height:auto}
.team-row .member-info p{font-size:12px;line-height:1.75}
@media(max-width:1180px){.leader-card{grid-template-columns:240px 1fr;max-width:100%}.leader-info{padding:28px 30px}.leader-info h3{font-size:24px}.team-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.leader-card{grid-template-columns:1fr}.leader-photo{aspect-ratio:16/10;max-height:280px}.leader-info{padding:24px}.leader-info h3{font-size:22px}.team-row{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.team-row{grid-template-columns:1fr}.leader-info{padding:20px}}

/* thirteenth-round team page enrichment */
.member-detail{display:grid;gap:32px;margin-top:36px}
.detail-row{display:grid;grid-template-columns:340px 1fr;gap:0;background:#fff;border:1px solid rgba(8,53,83,.1);border-radius:24px;overflow:hidden;box-shadow:0 12px 36px rgba(5,46,67,.06);transition:transform .3s ease,box-shadow .3s ease}
.detail-row:hover{transform:translateY(-4px);box-shadow:0 22px 52px rgba(5,46,67,.11)}
.detail-row.reverse{grid-template-columns:1fr 340px}
.detail-row.reverse .detail-photo{order:2}
.detail-row.reverse .detail-content{order:1}
.detail-photo{position:relative;overflow:hidden;background:linear-gradient(180deg,#eef3f4,#e0e8ec);min-height:380px}
.detail-photo img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .5s ease,filter .4s ease;filter:saturate(1.03) contrast(1.02)}
.detail-row:hover .detail-photo img{transform:scale(1.04);filter:saturate(1.08) contrast(1.04)}
.detail-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(3,29,48,.1));pointer-events:none}
.detail-content{padding:36px 40px;display:flex;flex-direction:column;justify-content:center}
.detail-content .detail-num{font-size:13px;font-weight:700;color:#d6a34b;letter-spacing:.18em;margin-bottom:10px}
.detail-content h3{margin:0 0 6px;font-size:26px;font-family:"Songti SC","STSong",serif;color:#0a3042;letter-spacing:.03em}
.detail-content .role{display:inline-flex;align-items:center;gap:8px;color:#0f6d74;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.05em;padding-bottom:10px;border-bottom:2px solid rgba(15,109,116,.15);width:fit-content}
.detail-content .role:before{content:"";width:4px;height:4px;border-radius:50%;background:#d6a34b}
.detail-content p{margin:0 0 14px;color:var(--muted);font-size:13.5px;line-height:1.95}
.detail-content p:last-of-type{margin-bottom:18px}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px}
.detail-tags span{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:linear-gradient(135deg,rgba(11,74,114,.08),rgba(214,163,75,.1));color:#0b4a72;font-size:11.5px;font-weight:600;letter-spacing:.04em;border:1px solid rgba(11,74,114,.12)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.scene-card{background:#fff;border:1px solid rgba(8,53,83,.1);border-radius:22px;overflow:hidden;box-shadow:0 10px 30px rgba(5,46,67,.06);transition:transform .3s ease,box-shadow .3s ease}
.scene-card:hover{transform:translateY(-5px);box-shadow:0 20px 48px rgba(5,46,67,.12)}
.scene-card .scene-img{aspect-ratio:16/10;overflow:hidden;position:relative;background:linear-gradient(180deg,#eef3f4,#e0e8ec)}
.scene-card .scene-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .scene-img img{transform:scale(1.05)}
.scene-card .scene-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(3,29,48,.15));pointer-events:none}
.scene-card .scene-body{padding:22px 24px 24px}
.scene-card .scene-body h3{margin:0 0 8px;font-size:17px;color:#0a3042;letter-spacing:.02em}
.scene-card .scene-body p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.8}
.scene-card.wide{grid-column:span 2}
.scene-card.wide .scene-img{aspect-ratio:16/7}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.value-card{position:relative;padding:30px 28px 28px;border-radius:22px;background:linear-gradient(135deg,#fff,#f7fbfd);border:1px solid rgba(8,53,83,.1);box-shadow:0 10px 30px rgba(5,46,67,.05);transition:transform .3s ease,box-shadow .3s ease;overflow:hidden}
.value-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(5,46,67,.1)}
.value-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,#0b4a72,#d6a34b)}
.value-card .value-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(11,74,114,.12),rgba(214,163,75,.16));color:#0b4a72;font-size:22px;font-weight:700;margin-bottom:16px;font-family:"Songti SC","STSong",serif}
.value-card h3{margin:0 0 10px;font-size:18px;color:#0a3042;letter-spacing:.02em}
.value-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
.growth-timeline{position:relative;margin-top:40px;padding-left:40px}
.growth-timeline:before{content:"";position:absolute;left:14px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#0b4a72,#d6a34b,#0b4a72);border-radius:2px}
.timeline-item{position:relative;margin-bottom:28px;padding:24px 28px;background:#fff;border:1px solid rgba(8,53,83,.1);border-radius:20px;box-shadow:0 8px 26px rgba(5,46,67,.05);transition:transform .3s ease,box-shadow .3s ease}
.timeline-item:last-child{margin-bottom:0}
.timeline-item:hover{transform:translateX(6px);box-shadow:0 14px 38px rgba(5,46,67,.1)}
.timeline-item:before{content:"";position:absolute;left:-33px;top:28px;width:14px;height:14px;border-radius:50%;background:#d6a34b;border:3px solid #fff;box-shadow:0 0 0 2px rgba(214,163,75,.4)}
.timeline-item .tl-year{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#f3dfb0;font-size:11px;font-weight:700;letter-spacing:.12em;margin-bottom:12px}
.timeline-item h3{margin:0 0 8px;font-size:17px;color:#0a3042;letter-spacing:.02em}
.timeline-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
@media(max-width:1180px){.detail-row,.detail-row.reverse{grid-template-columns:280px 1fr}.detail-content{padding:28px 30px}.scene-grid{grid-template-columns:repeat(2,1fr)}.scene-card.wide{grid-column:span 2}.values-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.detail-row,.detail-row.reverse{grid-template-columns:1fr}.detail-row.reverse .detail-photo{order:0}.detail-row.reverse .detail-content{order:0}.detail-photo{min-height:280px;aspect-ratio:16/10}.detail-content{padding:24px}.scene-grid{grid-template-columns:1fr}.scene-card.wide{grid-column:span 1}.values-grid{grid-template-columns:1fr}.growth-timeline{padding-left:32px}.timeline-item:before{left:-25px}}
@media(max-width:520px){.detail-content{padding:20px}.detail-content h3{font-size:22px}.scene-card .scene-body{padding:18px 20px 20px}.value-card{padding:24px 22px}.timeline-item{padding:20px}}

/* fourteenth-round team page deep optimization */
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
.profile-card{position:relative;background:linear-gradient(135deg,#fff,#f7fbfd);border:1px solid rgba(8,53,83,.1);border-radius:22px;padding:28px 30px;box-shadow:0 10px 30px rgba(5,46,67,.05);transition:transform .3s ease,box-shadow .3s ease;overflow:hidden}
.profile-card:hover{transform:translateY(-4px);box-shadow:0 20px 48px rgba(5,46,67,.11)}
.profile-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,#0b4a72,#d6a34b)}
.profile-card.featured{grid-column:span 2;background:linear-gradient(135deg,#072b49,#0b4a72);color:#fff;border-color:rgba(243,223,176,.2)}
.profile-card.featured:before{background:linear-gradient(180deg,#f3dfb0,#d6a34b)}
.profile-card.featured .profile-name{color:#f3dfb0}
.profile-card.featured .profile-role{color:rgba(243,223,176,.85);border-bottom-color:rgba(243,223,176,.25)}
.profile-card.featured p{color:rgba(255,255,255,.78)}
.profile-card.featured .profile-tags span{background:rgba(243,223,176,.12);color:#f3dfb0;border-color:rgba(243,223,176,.2)}
.profile-header{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.profile-num{font-size:12px;font-weight:700;color:#d6a34b;letter-spacing:.16em;flex-shrink:0}
.profile-name{margin:0;font-size:22px;font-family:"Songti SC","STSong",serif;color:#0a3042;letter-spacing:.03em}
.profile-role{display:inline-flex;align-items:center;gap:8px;color:#0f6d74;font-size:13px;font-weight:700;margin-bottom:16px;letter-spacing:.05em;padding-bottom:10px;border-bottom:2px solid rgba(15,109,116,.15);width:fit-content}
.profile-role:before{content:"";width:4px;height:4px;border-radius:50%;background:#d6a34b}
.profile-card p{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.9}
.profile-card p:last-of-type{margin-bottom:16px}
.profile-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.profile-tags span{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:linear-gradient(135deg,rgba(11,74,114,.08),rgba(214,163,75,.1));color:#0b4a72;font-size:11px;font-weight:600;letter-spacing:.04em;border:1px solid rgba(11,74,114,.12)}
.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding-top:16px;border-top:1px solid rgba(8,53,83,.08)}
.profile-card.featured .profile-stats{border-top-color:rgba(243,223,176,.15)}
.stat-item{text-align:center}
.stat-item .stat-num{display:block;font-size:22px;font-weight:700;color:#0b4a72;font-family:"Songti SC","STSong",serif;line-height:1.2}
.profile-card.featured .stat-item .stat-num{color:#f3dfb0}
.stat-item .stat-label{display:block;font-size:10.5px;color:var(--muted);margin-top:4px;letter-spacing:.04em}
.profile-card.featured .stat-item .stat-label{color:rgba(255,255,255,.55)}
.governance-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
.governance-card{background:#fff;border:1px solid rgba(8,53,83,.1);border-radius:22px;padding:30px 32px;box-shadow:0 10px 30px rgba(5,46,67,.05);transition:transform .3s ease,box-shadow .3s ease}
.governance-card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(5,46,67,.1)}
.governance-card.wide{grid-column:span 2}
.gov-header{display:flex;align-items:center;gap:14px;margin-bottom:18px;padding-bottom:16px;border-bottom:2px solid rgba(11,74,114,.1)}
.gov-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#072b49,#0b4a72);color:#f3dfb0;font-size:18px;font-weight:700;font-family:"Songti SC","STSong",serif;flex-shrink:0;box-shadow:0 4px 12px rgba(7,43,73,.25)}
.gov-header h3{margin:0;font-size:19px;color:#0a3042;letter-spacing:.02em;font-family:"Songti SC","STSong",serif}
.gov-header .gov-sub{display:block;font-size:11px;color:var(--muted);margin-top:3px;letter-spacing:.06em}
.gov-list{display:grid;gap:14px}
.gov-item{display:grid;grid-template-columns:80px 1fr;gap:16px;align-items:start}
.gov-item .gov-label{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:8px;background:linear-gradient(135deg,rgba(11,74,114,.1),rgba(214,163,75,.12));color:#0b4a72;font-size:11px;font-weight:700;letter-spacing:.04em;text-align:center;line-height:1.4}
.gov-item .gov-text p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
.gov-item .gov-text strong{color:#0a3042;font-weight:600}
.flow-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin-top:8px;position:relative}
.flow-step{position:relative;text-align:center;padding:18px 10px 16px}
.flow-step:not(:last-child):after{content:"";position:absolute;right:-2px;top:50%;transform:translateY(-50%);width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:8px solid rgba(11,74,114,.25);z-index:2}
.flow-step .step-circle{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;margin:0 auto 10px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#f3dfb0;font-size:15px;font-weight:700;box-shadow:0 4px 12px rgba(7,43,73,.25);position:relative;z-index:1}
.flow-step h4{margin:0 0 6px;font-size:13px;color:#0a3042;letter-spacing:.02em}
.flow-step p{margin:0;font-size:11px;color:var(--muted);line-height:1.6}
.risk-layers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.risk-layer{position:relative;padding:22px 20px;border-radius:16px;background:linear-gradient(135deg,#f7fbfd,#fff);border:1px solid rgba(8,53,83,.1);text-align:center}
.risk-layer .risk-stage{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.08em;margin-bottom:12px}
.risk-layer:nth-child(1) .risk-stage{background:rgba(11,74,114,.1);color:#0b4a72}
.risk-layer:nth-child(2) .risk-stage{background:rgba(214,163,75,.15);color:#8a6d2b}
.risk-layer:nth-child(3) .risk-stage{background:rgba(15,109,116,.1);color:#0f6d74}
.risk-layer h4{margin:0 0 8px;font-size:15px;color:#0a3042}
.risk-layer p{margin:0;font-size:12px;color:var(--muted);line-height:1.75}
@media(max-width:1180px){.profile-grid{grid-template-columns:1fr 1fr}.profile-card.featured{grid-column:span 2}.governance-grid{grid-template-columns:1fr}.governance-card.wide{grid-column:span 1}.flow-steps{grid-template-columns:repeat(3,1fr)}.flow-step:nth-child(3n):after{display:none}.risk-layers{grid-template-columns:1fr}}
@media(max-width:760px){.profile-grid{grid-template-columns:1fr}.profile-card.featured{grid-column:span 1}.profile-stats{grid-template-columns:repeat(3,1fr)}.flow-steps{grid-template-columns:repeat(2,1fr)}.flow-step:nth-child(2n):after{display:none}.gov-item{grid-template-columns:1fr;gap:8px}.gov-item .gov-label{width:fit-content}}
@media(max-width:520px){.profile-card{padding:22px 20px}.profile-name{font-size:19px}.profile-stats{grid-template-columns:repeat(3,1fr);gap:8px}.stat-item .stat-num{font-size:18px}.governance-card{padding:22px 20px}.flow-steps{grid-template-columns:1fr}.flow-step:after{display:none!important}.risk-layers{grid-template-columns:1fr}}

/* fifteenth-round cross-page enrichment */
.capability-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.capability-card{position:relative;padding:26px 24px;border-radius:20px;background:linear-gradient(135deg,#fff,#f7fbfd);border:1px solid rgba(8,53,83,.1);box-shadow:0 8px 24px rgba(5,46,67,.05);transition:transform .3s ease,box-shadow .3s ease;overflow:hidden}
.capability-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(5,46,67,.1)}
.capability-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0b4a72,#d6a34b)}
.capability-card .cap-num{font-size:11px;font-weight:700;color:#d6a34b;letter-spacing:.16em;margin-bottom:8px}
.capability-card h3{margin:0 0 8px;font-size:17px;color:#0a3042;letter-spacing:.02em}
.capability-card p{margin:0 0 14px;color:var(--muted);font-size:12.5px;line-height:1.8}
.capability-card .cap-data{display:flex;align-items:baseline;gap:6px;padding-top:12px;border-top:1px solid rgba(8,53,83,.08)}
.capability-card .cap-data strong{font-size:24px;font-weight:700;color:#0b4a72;font-family:"Songti SC","STSong",serif;line-height:1}
.capability-card .cap-data span{font-size:11px;color:var(--muted)}
.diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.diff-card{position:relative;padding:28px 26px;border-radius:20px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#fff;box-shadow:0 12px 32px rgba(7,43,73,.2);transition:transform .3s ease,box-shadow .3s ease;overflow:hidden}
.diff-card:hover{transform:translateY(-4px);box-shadow:0 20px 48px rgba(7,43,73,.3)}
.diff-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,#f3dfb0,#d6a34b)}
.diff-card .diff-tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:rgba(243,223,176,.15);color:#f3dfb0;font-size:10.5px;font-weight:700;letter-spacing:.1em;margin-bottom:14px}
.diff-card h3{margin:0 0 10px;font-size:18px;color:#f3dfb0;letter-spacing:.02em;font-family:"Songti SC","STSong",serif}
.diff-card p{margin:0;color:rgba(255,255,255,.78);font-size:13px;line-height:1.85}
.diff-card .diff-contrast{margin-top:14px;padding-top:12px;border-top:1px solid rgba(243,223,176,.15);font-size:11.5px;color:rgba(243,223,176,.7);line-height:1.7}
.layer-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:18px;margin-top:32px;align-items:stretch}
.layer-col{padding:24px 22px;border-radius:20px;border:1px solid rgba(8,53,83,.1);transition:transform .3s ease,box-shadow .3s ease}
.layer-col:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(5,46,67,.09)}
.layer-col.front{background:linear-gradient(180deg,#f0f7fa,#e8f1f5)}
.layer-col.middle{background:linear-gradient(180deg,#f5f0e8,#f0e8d8);border-color:rgba(214,163,75,.2)}
.layer-col.back{background:linear-gradient(180deg,#eef5f0,#e5f0e8)}
.layer-col .layer-label{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.1em;margin-bottom:14px}
.layer-col.front .layer-label{background:rgba(11,74,114,.12);color:#0b4a72}
.layer-col.middle .layer-label{background:rgba(214,163,75,.18);color:#8a6d2b}
.layer-col.back .layer-label{background:rgba(15,109,116,.12);color:#0f6d74}
.layer-col h3{margin:0 0 12px;font-size:17px;color:#0a3042;letter-spacing:.02em}
.layer-col ul{margin:0;padding-left:16px;color:var(--muted);font-size:12.5px;line-height:1.9}
.layer-col ul li{margin-bottom:4px}
.layer-arrow{display:grid;place-items:center;color:#d6a34b;font-size:20px;font-weight:700}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.method-card{position:relative;padding:26px 24px;border-radius:20px;background:#fff;border:1px solid rgba(8,53,83,.1);box-shadow:0 8px 24px rgba(5,46,67,.05);transition:transform .3s ease;overflow:hidden}
.method-card:hover{transform:translateY(-4px)}
.method-card .method-step{position:absolute;top:18px;right:20px;font-size:32px;font-weight:700;color:rgba(11,74,114,.08);font-family:"Songti SC","STSong",serif;line-height:1}
.method-card h3{margin:0 0 10px;font-size:16px;color:#0a3042;letter-spacing:.02em;padding-right:30px}
.method-card p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.8}
.success-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:32px}
.success-item{padding:22px 18px;border-radius:16px;background:linear-gradient(135deg,#fff,#f7fbfd);border:1px solid rgba(8,53,83,.08);text-align:center;transition:transform .3s ease,box-shadow .3s ease}
.success-item:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(5,46,67,.08)}
.success-item .success-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin:0 auto 12px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#f3dfb0;font-size:16px;font-weight:700;font-family:"Songti SC","STSong",serif}
.success-item h4{margin:0 0 6px;font-size:14px;color:#0a3042;letter-spacing:.02em}
.success-item p{margin:0;font-size:11px;color:var(--muted);line-height:1.65}
.sla-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.sla-card{padding:26px 24px;border-radius:20px;background:linear-gradient(135deg,#fff,#f7fbfd);border:1px solid rgba(8,53,83,.1);box-shadow:0 8px 24px rgba(5,46,67,.05);transition:transform .3s ease}
.sla-card:hover{transform:translateY(-4px)}
.sla-card .sla-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;background:linear-gradient(135deg,rgba(11,74,114,.1),rgba(214,163,75,.14));color:#0b4a72;font-size:18px;font-weight:700;font-family:"Songti SC","STSong",serif}
.sla-card h3{margin:0 0 8px;font-size:16px;color:#0a3042;letter-spacing:.02em}
.sla-card .sla-standard{display:block;font-size:20px;font-weight:700;color:#0b4a72;margin-bottom:8px;font-family:"Songti SC","STSong",serif}
.sla-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.75}
.rights-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.rights-card{position:relative;padding:24px 22px;border-radius:18px;background:linear-gradient(135deg,#072b49,#0b4a72);color:#fff;transition:transform .3s ease,box-shadow .3s ease}
.rights-card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(7,43,73,.25)}
.rights-card .rights-num{font-size:11px;font-weight:700;color:#f3dfb0;letter-spacing:.16em;margin-bottom:8px}
.rights-card h3{margin:0 0 8px;font-size:16px;color:#f3dfb0;letter-spacing:.02em;font-family:"Songti SC","STSong",serif}
.rights-card p{margin:0;color:rgba(255,255,255,.75);font-size:12px;line-height:1.75}
@media(max-width:1180px){.capability-grid{grid-template-columns:repeat(2,1fr)}.diff-grid{grid-template-columns:1fr}.layer-grid{grid-template-columns:1fr}.method-grid{grid-template-columns:repeat(2,1fr)}.success-grid{grid-template-columns:repeat(3,1fr)}.sla-grid{grid-template-columns:repeat(2,1fr)}.rights-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.capability-grid{grid-template-columns:1fr 1fr}.method-grid{grid-template-columns:1fr 1fr}.success-grid{grid-template-columns:1fr 1fr}.sla-grid{grid-template-columns:1fr 1fr}.rights-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.capability-grid{grid-template-columns:1fr}.method-grid{grid-template-columns:1fr}.success-grid{grid-template-columns:1fr}.sla-grid{grid-template-columns:1fr}.rights-grid{grid-template-columns:1fr}.diff-card{padding:22px 20px}}

/* final team presentation: three core members use portraits */
.member-text-only .member-info{min-height:176px;display:flex;flex-direction:column;justify-content:center;padding:24px 24px 26px}
.member-text-only{background:linear-gradient(135deg,#fff,#f7fbfd)}
.member-text-only .member-info p{margin-top:10px}
@media(max-width:520px){.member-text-only .member-info{min-height:170px;padding:22px 20px}}

/* portrait refinement: compact avatars for selected core members */
.team-row .member:not(.member-text-only) .member-photo{
  width:108px;
  aspect-ratio:1/1.15;
  margin:18px 18px 0;
  border-radius:14px;
  border:1px solid rgba(8,53,83,.08);
}
.team-row .member:not(.member-text-only) .member-info{
  min-height:150px;
}
@media(max-width:520px){
  .team-row .member:not(.member-text-only) .member-photo{
    width:92px;
    margin:16px 16px 0;
  }
}