:root{color-scheme:dark;--bg: #070a12;--bg-soft: #0b1020;--card: rgba(15, 23, 42, .78);--card-solid: #111827;--line: rgba(148, 163, 184, .18);--line-strong: rgba(79, 124, 255, .42);--text: #f8fafc;--muted: #94a3b8;--primary: #4f7cff;--secondary: #8b5cf6;--cyan: #22d3ee;--green: #22c55e;--amber: #f59e0b;--red: #ef4444;--radius: 8px;--max-width: 1240px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;min-width:320px;color:var(--text);background:linear-gradient(rgba(79,124,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.06) 1px,transparent 1px),radial-gradient(circle at 50% 0%,rgba(34,211,238,.11),transparent 34rem),linear-gradient(180deg,#070a12,#0b1020 44%,#070a12);background-size:64px 64px,64px 64px,auto,auto}body::selection{color:#020617;background:var(--cyan)}button,input,textarea{font:inherit}button{border:0;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}.page-section{width:min(calc(100% - 32px),var(--max-width));margin:0 auto;padding:76px 0;scroll-margin-top:92px}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:#070a12db;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-shell{width:min(calc(100% - 32px),var(--max-width));min-height:72px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-button{display:inline-flex;align-items:center;gap:10px;color:var(--text);background:transparent;text-align:left}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(34,211,238,.36);border-radius:var(--radius);color:var(--text);background:linear-gradient(135deg,#4f7cfff5,#22d3eeb8),#172554;box-shadow:0 12px 30px #22d3ee29;font-weight:900}.brand-button strong{display:block;font-size:1rem}.brand-button small{display:block;color:var(--muted);font-size:.76rem;margin-top:2px}.desktop-nav{display:flex;align-items:center;gap:4px;padding:5px;border:1px solid var(--line);border-radius:999px;background:#0f172a9e}.desktop-nav button,.site-footer nav button{color:var(--muted);background:transparent;border-radius:999px;padding:9px 14px;transition:color .16s ease,background .16s ease,transform .16s ease}.desktop-nav button:hover,.site-footer nav button:hover{color:var(--text);background:#4f7cff29}.desktop-nav button:active,.site-footer nav button:active,.primary-button:active,.secondary-button:active,.ghost-button:active,.text-button:active,.mobile-floating-cta:active{transform:translateY(1px) scale(.99)}.header-actions{display:flex;align-items:center;gap:10px}.menu-toggle{display:none;width:62px;height:44px;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);border-radius:var(--radius);background:#4f7cff29}.menu-lines{display:grid;gap:4px}.menu-lines i{width:14px;height:2px;display:block;background:var(--text);border-radius:999px}.menu-toggle strong{color:var(--text);font-size:.82rem}.mobile-nav{display:none}.primary-button,.secondary-button,.ghost-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius);padding:0 18px;color:var(--text);font-weight:700;transition:transform .16s ease,border-color .16s ease,background .16s ease,box-shadow .16s ease}.primary-button{background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 18px 46px #4f7cff42}.primary-button:hover{box-shadow:0 18px 52px #22d3ee4d}.primary-button:disabled{cursor:wait;opacity:.74}.secondary-button{border:1px solid rgba(139,92,246,.42);background:#8b5cf624}.secondary-button:hover{border-color:#8b5cf6b3;background:#8b5cf638}.ghost-button{border:1px solid var(--line-strong);background:#0f172ab8}.ghost-button:hover{border-color:#22d3eea8;background:#22d3ee1f}.compact{min-height:40px;padding:0 14px}.hero-section{min-height:calc(100svh - 72px);display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);align-items:center;gap:34px;padding-top:52px}.hero-kicker,.section-eyebrow{margin:0 0 12px;color:var(--cyan);font-size:.84rem;font-weight:800;text-transform:uppercase}.hero-copy h1{max-width:760px;margin:0;font-size:clamp(2.25rem,5vw,3.85rem);line-height:1.1}.hero-copy h1 span{display:block}.hero-lead{max-width:660px;margin:20px 0 0;color:#dbeafe;font-size:clamp(1.04rem,2.3vw,1.34rem);line-height:1.75}.hero-note{max-width:660px;margin:14px 0 0;color:var(--muted);line-height:1.75}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-panel,.service-card,.notice-card,.notice-accordion,.mentor-card,.requirement-card,.recruit-form,.contact-layout{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:0 24px 80px #00000038}.hero-panel{position:relative;overflow:hidden;padding:24px}.hero-panel:before{content:"";position:absolute;inset:0;opacity:.38;background:linear-gradient(90deg,transparent 0 46%,rgba(34,211,238,.22) 50%,transparent 54%),linear-gradient(0deg,transparent 0 48%,rgba(79,124,255,.22) 50%,transparent 52%);background-size:42px 42px;pointer-events:none}.panel-topline,.hero-cover-frame,.hero-stat-grid,.minor-warning{position:relative;z-index:1}.panel-topline{display:flex;align-items:center;gap:8px;color:#c4b5fd;font-size:.82rem;font-weight:800}.status-dot{width:9px;height:9px;border-radius:999px;background:var(--green);box-shadow:0 0 18px #22c55ecc}.hero-cover-frame{min-height:260px;aspect-ratio:1.9 / 1;margin:18px 0;overflow:hidden;border:1px solid rgba(34,211,238,.28);border-radius:var(--radius);background:#020617b8;box-shadow:0 20px 54px #0206175c}.hero-cover-frame img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(1.06) contrast(1.05);transition:transform .22s ease,filter .22s ease}.hero-cover-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#02061714,#020617b8),linear-gradient(90deg,rgba(2,6,23,.38),transparent 58%);pointer-events:none}.hero-cover-frame:hover img{transform:scale(1.025);filter:saturate(1.12) contrast(1.08)}.hero-cover-overlay{position:absolute;left:16px;bottom:16px;z-index:1;display:grid;gap:6px}.hero-cover-overlay span{color:#bae6fd;font-size:.78rem;font-weight:700}.hero-cover-overlay strong{display:block;color:var(--text);font-size:1.08rem;text-shadow:0 6px 20px rgba(2,6,23,.88)}.hero-stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.hero-stat{min-height:92px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#02061785}.hero-stat span{display:block;color:var(--muted);font-size:.82rem}.hero-stat strong{display:block;margin-top:8px;color:var(--text);line-height:1.45}.minor-warning{margin-top:12px;padding:12px 14px;border:1px solid rgba(245,158,11,.42);border-radius:var(--radius);color:#fde68a;background:#f59e0b1a;font-weight:700}.section-title{max-width:760px;margin-bottom:28px}.section-title-center{margin-inline:auto;text-align:center}.section-title h2{margin:0;font-size:clamp(1.8rem,4vw,3rem);line-height:1.18}.section-title p:not(.section-eyebrow){margin:12px 0 0;color:var(--muted);line-height:1.75}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.service-card{min-height:212px;display:flex;flex-direction:column;padding:20px;transition:transform .18s ease,border-color .18s ease,background .18s ease}.service-card:hover,.mentor-card:hover,.requirement-card:hover{transform:translateY(-3px);border-color:#22d3ee57;background:#0f172ae6}.card-head,.mentor-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.card-head h3,.mentor-heading h3,.requirement-card h3,.contact-info h3,.notice-card h3,.contact-modal h3{margin:0}.card-head span,.mentor-heading span,.contact-badge{flex:0 0 auto;border:1px solid rgba(34,211,238,.26);border-radius:999px;padding:5px 9px;color:#a5f3fc;background:#22d3ee1a;font-size:.78rem;font-weight:800}.service-card p,.mentor-card p,.requirement-card p,.recruit-list,.contact-info p,.notice-card li,.notice-accordion li{color:var(--muted);line-height:1.72}.service-card p{flex:1;margin:18px 0}.text-button{width:fit-content;color:var(--cyan);background:transparent;padding:0;font-weight:800}.text-button:hover{color:var(--text)}.alert-card{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px;padding:16px 18px;border:1px solid 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li+li{margin-top:10px}.tone-danger{border-color:#ef44446b}.tone-warning{border-color:#f59e0b6b}.tone-success{border-color:#22c55e57}.notice-mobile{display:none}.notice-accordion{overflow:hidden}.notice-accordion button{width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 16px;color:var(--text);background:transparent;text-align:left}.notice-accordion button strong{color:var(--cyan);font-size:.85rem}.notice-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .18s ease}.notice-panel>ul{overflow:hidden}.notice-panel.is-open{grid-template-rows:1fr;border-top:1px solid var(--line)}.mentor-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.mentor-card{min-height:210px;padding:18px;transition:transform .18s ease,border-color .18s ease,background .18s ease}.mentor-avatar{width:64px;height:64px;display:grid;place-items:center;margin-bottom:18px;border-radius:50%;color:var(--text);font-size:1.36rem;font-weight:900}.avatar-1{background:linear-gradient(135deg,#4f7cff,#22d3ee)}.avatar-2{background:linear-gradient(135deg,#8b5cf6,#22c55e)}.avatar-3{background:linear-gradient(135deg,#f59e0b,#4f7cff)}.avatar-4{background:linear-gradient(135deg,#22d3ee,#8b5cf6)}.mentor-card p{margin:14px 0 0}.recruit-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.82fr);gap:18px;align-items:start}.recruit-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.requirement-card{min-height:160px;padding:18px;transition:transform .18s ease,border-color .18s ease,background .18s ease}.recruit-list{margin:16px 0;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#02061757}.recruit-list strong{color:var(--text)}.recruit-list ul{margin:10px 0 0;padding-left:20px}.recruit-form{display:grid;gap:14px;padding:22px}.recruit-form label{display:grid;gap:8px;color:#dbeafe;font-weight:700}.recruit-form input,.recruit-form textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);background:#0206178a;padding:12px 13px;outline:none;transition:border-color .16s ease,box-shadow .16s ease}.recruit-form input:focus,.recruit-form textarea:focus{border-color:#22d3eeb3;box-shadow:0 0 0 3px #22d3ee1f}.checkbox-row{display:flex!important;grid-template-columns:auto 1fr;align-items:flex-start;gap:10px!important;color:var(--muted)!important;font-weight:500!important;line-height:1.6}.checkbox-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--cyan)}.toast-message{border:1px solid rgba(34,197,94,.36);border-radius:var(--radius);padding:12px;color:#bbf7d0;background:#22c55e1f}.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.78fr);gap:18px;padding:22px}.contact-info{padding:10px}.contact-info h3{margin-top:18px;font-size:clamp(1.5rem,3vw,2.2rem)}.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.placeholder-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.placeholder-box{min-height:220px;display:grid;place-items:center;align-content:center;gap:10px;border:1px dashed rgba(148,163,184,.36);border-radius:var(--radius);color:var(--muted);background:#02061766}.placeholder-box strong{color:var(--text)}.modal-backdrop{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;background:#020617c7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.contact-modal{width:min(100%,420px);border:1px solid var(--line);border-radius:var(--radius);background:#0f172a;padding:22px;box-shadow:0 24px 90px #0000006b}.contact-modal p{color:var(--muted);line-height:1.7}.site-footer{width:min(calc(100% - 32px),var(--max-width));margin:24px auto 0;padding:34px 0 92px;border-top:1px solid var(--line)}.site-footer h2{margin:0}.site-footer p{color:var(--muted)}.site-footer nav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.site-footer nav button{border:1px solid var(--line)}.footer-note{max-width:860px;line-height:1.7}.mobile-floating-cta{display:none}.reveal{animation:fade-up .52s ease both}@keyframes fade-up{0%{opacity:.82;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1040px){.desktop-nav{display:none}.menu-toggle{display:inline-flex;position:absolute;top:50%;right:0;transform:translateY(-50%)}.mobile-nav{width:min(calc(100% - 32px),var(--max-width));display:grid;gap:8px;margin:0 auto;max-height:0;opacity:0;overflow:hidden;pointer-events:none;transition:max-height .18s ease,opacity .16s ease}.mobile-nav.is-open{max-height:420px;opacity:1;padding-bottom:14px;pointer-events:auto}.mobile-nav button{min-height:44px;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);background:#0f172ae0}.hero-section,.recruit-layout,.contact-layout{grid-template-columns:1fr}.hero-section{min-height:auto;padding-top:44px}.mentor-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:820px){body{padding-bottom:78px}.page-section{width:min(calc(100% - 28px),var(--max-width));padding:56px 0}.header-shell{width:min(calc(100% - 28px),var(--max-width));min-height:64px;position:relative}.brand-mark{width:38px;height:38px}.brand-button small,.header-actions .ghost-button{display:none}.hero-copy h1{font-size:clamp(2rem,8vw,2.56rem)}.hero-actions,.contact-actions{display:grid;grid-template-columns:1fr}.primary-button,.secondary-button,.ghost-button{width:100%}.hero-cover-frame,.hero-cover-frame img{min-height:220px}.hero-stat-grid,.service-grid,.recruit-card-grid,.placeholder-grid{grid-template-columns:1fr}.notice-desktop{display:none}.notice-mobile{display:grid;gap:12px}.alert-card{display:grid}.contact-layout,.recruit-form{padding:16px}.mobile-floating-cta{position:fixed;left:14px;right:14px;bottom:14px;z-index:70;min-height:52px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius);color:var(--text);background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 18px 44px #22d3ee47;font-weight:900}}@media(max-width:520px){.page-section{width:min(calc(100% - 24px),var(--max-width))}.hero-section{gap:24px}.hero-panel,.service-card,.mentor-card,.notice-card{padding:16px}.mentor-grid{gap:12px}.mentor-card{min-height:230px}.mentor-heading{align-items:flex-start;flex-direction:column}}@media(max-width:380px){.mentor-grid{grid-template-columns:1fr}}