:root{--ink:#102d4f;--ink-2:#173b62;--jade:#0b986c;--jade-dark:#057b59;--mist:#f5f9fb;--line:#d8e5ea;--text:#243347;--muted:#64758a;--danger:#cf3f3f;--radius:12px;font-family:"Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--text)}
*{box-sizing:border-box}body{margin:0;background:#fff}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.public-header{height:78px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(24px,6vw,104px);box-shadow:0 1px 0 rgb(255 255 255 / .1)}.public-brand,.admin-brand,.login-brand{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border:2px solid #8fe0c8;border-radius:10px;color:#aef5df;font-size:20px;font-weight:800}.public-brand strong,.admin-brand strong,.login-brand strong{display:block;font-size:21px;letter-spacing:.08em}.public-brand small,.admin-brand small,.login-brand small{display:block;margin-top:2px;font-size:10px;letter-spacing:.11em;opacity:.78}.public-header nav{display:flex;gap:34px;font-size:15px}.public-header nav a{opacity:.84}.public-header nav a:hover{opacity:1}.hero{min-height:610px;display:grid;grid-template-columns:minmax(360px,.95fr) minmax(520px,1.05fr);gap:56px;align-items:center;padding:70px clamp(24px,8vw,152px);background:linear-gradient(120deg,#fff 0%,#fbfdfe 58%,#eff7f8 100%);position:relative;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border:1px solid #d4ebec;width:260px;height:260px;transform:rotate(45deg);pointer-events:none}.hero:before{left:-176px;top:44px}.hero:after{right:-190px;bottom:-122px}.hero-copy,.hero-certificate{position:relative;z-index:1}.eyebrow{color:var(--jade-dark);font-size:12px;letter-spacing:.13em;font-weight:700;margin:0 0 16px}.hero h1{color:var(--ink);font-size:clamp(45px,5vw,76px);line-height:1.08;letter-spacing:.03em;margin:0}.hero-subtitle{font-size:25px;font-weight:700;color:var(--ink);margin:20px 0 8px}.hero-description{font-size:16px;color:var(--muted);margin:0 0 30px}.query-form{max-width:560px}.query-form label{display:block;font-weight:700;font-size:14px;margin-bottom:9px}.query-controls{display:flex;gap:10px}.query-controls input{height:56px;min-width:0;flex:1;border:1px solid #a8bbc8;border-radius:8px;padding:0 18px;outline:none;background:#fff}.query-controls input:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgb(11 152 108 / .12)}.query-controls button,.admin-search button{border:0;border-radius:8px;background:var(--jade);color:#fff;padding:0 25px;font-weight:700;cursor:pointer}.form-error{color:var(--danger);font-size:13px}.hero-certificate{height:430px;background:#fbfdfd;border:1px solid #d4e0df;box-shadow:0 20px 55px rgb(26 70 85 / .15);padding:52px 48px;overflow:hidden}.hero-certificate:before{content:"";position:absolute;inset:13px;border:2px solid #75b2a9;pointer-events:none}.certificate-watermark{position:absolute;inset:0;display:grid;place-items:center;transform:rotate(-24deg);color:#e9f2f0;font-size:48px;font-weight:700;letter-spacing:.2em}.preview-vine{position:absolute;color:#55a899;font-size:90px;top:9px;line-height:1}.vine-left{left:19px}.vine-right{right:19px}.preview-ornament{color:#4f9f92;text-align:center;font-size:28px;position:relative}.hero-certificate h2,.hero-certificate h3{text-align:center;color:#1e2326;margin:5px 0;position:relative}.hero-certificate h2{font-size:31px}.hero-certificate h3{font-size:19px}.preview-columns{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-top:48px;position:relative}.preview-columns>div{display:grid;gap:8px;color:#313a3b}.preview-columns b{font-size:14px}.preview-columns strong{font-size:19px;color:#387f83}.preview-columns span{font-size:12px;color:#687a7d}.preview-bottom{position:absolute;bottom:35px;left:48px;right:48px;display:flex;align-items:center;gap:12px;color:#397c79;font-size:13px}.qr-placeholder{display:grid;place-items:center;width:55px;height:55px;border:3px solid #263335;color:#263335;font-size:31px}.stamp-preview{margin-left:auto;display:grid;place-items:center;border:3px solid #c93630;border-radius:50%;width:72px;height:72px;color:#c93630;font-weight:800;font-size:22px}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:54px clamp(24px,8vw,152px);background:#eef6f8}.trust-row article{padding:0 38px;border-left:1px solid #b7d3db}.trust-row article:first-child{border-left:0}.trust-row span{color:var(--jade-dark);font-size:12px;font-weight:700}.trust-row h2{font-size:19px;color:var(--ink);margin:8px 0}.trust-row p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}.certificate-notes{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding:96px 32px}.certificate-notes h2{font-size:38px;color:var(--ink);margin:0}.certificate-notes ol{margin:0;padding-left:23px;display:grid;gap:18px;color:#4d5c6d;line-height:1.8}.public-footer{display:flex;gap:25px;align-items:center;flex-wrap:wrap;padding:29px clamp(24px,8vw,152px);background:var(--ink);color:#dce9f1;font-size:13px}.public-footer strong{color:#fff}.public-footer a{margin-left:auto;text-decoration:underline}.button{display:inline-flex;justify-content:center;align-items:center;min-height:42px;padding:0 18px;border-radius:8px;font-weight:700;border:1px solid transparent;cursor:pointer}.button.primary{background:var(--jade);color:#fff}.button.primary:hover{background:var(--jade-dark)}.button.secondary{background:#fff;border-color:#9eb9c4;color:var(--ink)}.button.danger{background:var(--danger);color:#fff}.detail-page{max-width:1380px;margin:0 auto;padding:54px 32px 82px}.detail-heading>a,.back-link{color:var(--jade-dark);font-size:14px}.detail-heading .eyebrow{margin-top:38px}.detail-heading h1{color:var(--ink);font-size:38px;margin:0 0 32px}.detail-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:36px;align-items:start}.certificate-image{margin:0;padding:16px;background:#fff;box-shadow:0 15px 42px rgb(35 78 93 / .16);border:1px solid #e1eaed}.certificate-image img{display:block;width:100%;height:auto}.verification-panel{border:1px solid var(--line);border-radius:var(--radius);padding:35px;background:#fff}.status-mark{display:grid;place-items:center;width:65px;height:65px;border:3px solid var(--jade);border-radius:50%;color:var(--jade);font-size:40px;font-weight:800;margin:0}.verification-panel h2{font-size:36px;color:var(--jade-dark);margin:17px 0 5px}.status-note{color:var(--muted);margin:0 0 28px;line-height:1.7}.verification-panel dl,.admin-detail-card dl{margin:0}.verification-panel dl>div,.admin-detail-card dl>div{display:grid;grid-template-columns:132px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line)}dt{color:var(--muted)}dd{margin:0;word-break:break-word}.detail-actions,.admin-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.not-found{max-width:780px;margin:0 auto;padding:150px 32px;text-align:center}.not-found h1{font-size:40px;color:var(--ink)}.not-found p:not(.eyebrow){color:var(--muted);line-height:1.9;margin-bottom:30px}
.admin-body{min-height:100vh;background:#f4f7fa;display:grid;grid-template-columns:250px 1fr}.admin-sidebar{background:#092c54;color:#fff;display:flex;flex-direction:column;padding:30px 18px}.admin-brand{padding:0 10px 36px}.admin-sidebar nav{display:grid;gap:8px}.admin-sidebar nav a{padding:15px 16px;border-radius:8px;font-weight:700}.admin-sidebar nav a:hover{background:rgb(255 255 255 / .12)}.logout-form{margin-top:auto}.logout-form button{border:0;background:transparent;color:#c6dae9;font:inherit;cursor:pointer;padding:12px}.admin-main{min-width:0}.admin-page{padding:46px clamp(24px,4vw,64px)}.admin-page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:32px}.admin-page-heading h1{color:var(--ink);font-size:34px;margin:3px 0 10px}.admin-page-heading p:not(.eyebrow){margin:0;color:var(--muted)}.admin-search{display:flex;gap:12px;margin-bottom:20px}.admin-search input{height:46px;flex:1;min-width:200px;border:1px solid var(--line);border-radius:8px;padding:0 15px}.admin-search select{min-width:136px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff}.admin-search button{height:46px}.certificate-table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;min-width:830px}th,td{text-align:left;padding:17px 18px;border-bottom:1px solid #e7eef1;font-size:14px}th{color:#566b7d;background:#f7fafb;font-size:13px}.table-link{color:var(--jade-dark);font-weight:700}.status{display:inline-flex;padding:4px 9px;border-radius:99px;font-size:12px;font-weight:700}.status.draft{color:#85660b;background:#fff4cf}.status.published{color:#08724e;background:#dff5e9}.status.revoked{color:#b03838;background:#fde7e7}.empty-state{text-align:center;color:var(--muted);padding:60px}.form-page{max-width:1050px}.certificate-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.form-grid label,.login-card label{display:grid;gap:8px;color:#334a5e;font-size:14px;font-weight:700}.form-grid input,.form-grid textarea,.form-grid select,.login-card input{width:100%;border:1px solid #bdcdd6;border-radius:8px;padding:12px;background:#fff;outline:none}.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus,.login-card input:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgb(11 152 108 / .12)}.form-grid textarea{min-height:116px;resize:vertical}.form-submit{margin-top:30px;display:flex;gap:18px;align-items:center;color:var(--muted);font-size:13px}.admin-detail-grid{display:grid;grid-template-columns:minmax(400px,1.3fr) minmax(320px,.7fr);gap:28px}.admin-certificate-preview{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}.admin-certificate-preview img{width:100%;display:block}.admin-detail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px}.admin-detail-card h2{margin:0 0 15px;color:var(--ink);font-size:22px}.admin-actions form{margin:0}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#082b52,#16426f)}.login-card{width:min(430px,calc(100% - 40px));padding:38px;background:#fff;border-radius:16px;box-shadow:0 25px 70px rgb(0 0 0 / .25)}.login-brand{color:var(--ink);margin-bottom:34px}.login-brand .brand-mark{border-color:var(--jade);color:var(--jade)}.login-card h1{color:var(--ink);margin:0 0 9px}.login-card>p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 26px}.login-card form{display:grid;gap:18px}.login-card form .button{width:100%;margin-top:6px}.login-card>a{display:block;margin-top:24px;text-align:center;color:var(--jade-dark);font-size:14px}
@media (max-width:900px){.public-header{height:auto;gap:18px;padding:18px 24px}.public-header nav{gap:16px;font-size:13px}.hero{grid-template-columns:1fr;padding:54px 28px}.hero-certificate{height:380px}.trust-row{padding:38px 28px}.trust-row article{padding:0 18px}.certificate-notes{grid-template-columns:1fr;gap:30px;padding:70px 28px}.detail-grid,.admin-detail-grid{grid-template-columns:1fr}.admin-body{grid-template-columns:1fr}.admin-sidebar{flex-direction:row;align-items:center;gap:18px;padding:15px 20px}.admin-brand{padding:0}.admin-sidebar nav{display:flex}.admin-sidebar nav a{padding:10px}.logout-form{margin:0 0 0 auto}.admin-page{padding:32px 22px}.form-grid{grid-template-columns:1fr}}
@media (max-width:620px){.public-header{align-items:flex-start}.public-header nav{display:none}.hero h1{font-size:46px}.query-controls{display:grid;grid-template-columns:1fr}.query-controls button{height:52px}.hero-certificate{height:330px;padding:42px 30px}.hero-certificate h2{font-size:23px}.hero-certificate h3{font-size:15px}.preview-columns{gap:16px;margin-top:38px}.preview-columns strong{font-size:15px}.preview-bottom{left:30px;right:30px;bottom:23px}.trust-row{grid-template-columns:1fr;gap:25px}.trust-row article{border:0;padding:0}.detail-page{padding:35px 18px 60px}.verification-panel{padding:24px}.admin-sidebar nav a:last-child{display:none}.admin-brand small{display:none}.admin-search{display:grid;grid-template-columns:1fr}.admin-search select,.admin-search button{height:44px}.admin-page-heading{display:grid}.certificate-form{padding:21px}.form-submit{align-items:flex-start;flex-direction:column}.public-footer{display:grid;gap:10px}.public-footer a{margin:0}.detail-actions .button{width:100%}}