:root{--bg: #f6f7f9;--paper: rgba(255, 255, 255, .9);--line: #d9dee5;--text-main: #1f2937;--text-sub: #5a6472;--accent: #0f766e;--accent-soft: #d7f3ef;--danger: #b42318}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,sans-serif;color:var(--text-main);background:radial-gradient(circle at 12% -5%,#dff2ff 0%,transparent 40%),radial-gradient(circle at 92% 0%,#fff4d6 0%,transparent 33%),var(--bg)}.background-glow{position:fixed;inset:auto auto 0 -4rem;width:320px;height:320px;border-radius:999px;background:linear-gradient(135deg,#bae6fd,#99f6e4);filter:blur(90px);opacity:.55;z-index:0}.page{position:relative;z-index:1;max-width:960px;margin:0 auto;padding:28px 16px 32px;display:grid;gap:18px}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:rise .65s ease both}.hero h1{margin:0;font-family:Georgia,Times New Roman,Songti SC,SimSun,"Noto Serif CJK SC",serif;font-size:clamp(2rem,4vw,2.8rem)}.hero h2{margin:6px 0 0;font-size:clamp(1rem,2.4vw,1.25rem);color:var(--accent);font-weight:500}.tag{display:inline-block;margin:0 0 10px;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:#0b534d;font-size:.85rem}.summary{margin:14px 0;line-height:1.7;color:var(--text-sub)}.meta{display:flex;flex-wrap:wrap;gap:10px}.meta a,.project-item a{text-decoration:none;color:var(--accent);font-weight:600}.section-header h3{margin:0;font-size:1.3rem}.section-header p{margin:6px 0 0;color:var(--text-sub)}.project-grid{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:12px}.project-item{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}.project-title-wrap{display:flex;align-items:center;gap:10px}.project-title-wrap h4{margin:0;font-size:1.05rem}.project-item p{margin:8px 0;color:var(--text-sub)}.badge{background:#e0f2fe;color:#0c4a6e;border-radius:999px;padding:2px 9px;font-size:.75rem}.state-card{text-align:center;color:var(--text-sub)}.state-card.error{color:var(--danger)}.admin-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.admin-head-actions,.admin-form-row,.actions{display:flex;gap:10px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;color:var(--text-main);background:#fff}.textarea{min-height:120px;resize:vertical;grid-column:1 / -1}.checkbox-wrap{display:inline-flex;align-items:center;gap:8px;color:var(--text-sub)}.btn{border:1px solid transparent;border-radius:10px;padding:9px 14px;cursor:pointer;font:inherit;font-weight:600;color:#fff;background:var(--accent)}.btn:disabled{cursor:not-allowed;opacity:.65}.btn-ghost{background:transparent;color:var(--text-main);border-color:var(--line)}.btn-danger{background:var(--danger)}.success-text{margin:8px 0 0;color:#0f766e}.error-text{margin:8px 0 0;color:var(--danger)}.site-footer{position:relative;z-index:1;max-width:960px;margin:0 auto;padding:0 16px 40px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 16px;font-size:.85rem;color:var(--text-sub)}.site-footer a{color:var(--text-sub);text-decoration:none}.site-footer a:hover{color:var(--accent);text-decoration:underline}.lang-switch{position:relative;z-index:1;max-width:960px;margin:20px auto 0;padding:0 16px;text-align:right}.lang-switch a{display:inline-block;padding:5px 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--text-main);font-size:.85rem;font-weight:600;text-decoration:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.lang-switch a:hover{color:var(--accent);border-color:var(--accent)}.form-section-label{margin:18px 0 0;padding-top:14px;border-top:1px dashed var(--line);color:var(--text-sub);font-size:.85rem}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){.page{padding-top:20px}.card{padding:16px}.form-grid{grid-template-columns:1fr}}