:root{--navy:#12294b;--navy2:#1d3a63;--gold:#c9a227;--goldsoft:#f3e8c9;--bg:#f6f7fa;--ink:#23293a;--muted:#5b657a;--card:#fff}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 "Segoe UI",system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
a{color:var(--navy2)}a:hover{color:var(--gold)}

/* header */
.ip-head{background:linear-gradient(135deg,var(--navy),var(--navy2));border-bottom:3px solid var(--gold)}
.ip-head-in{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:14px 20px}
.ip-brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:#fff;font-size:1.35rem;font-weight:700;letter-spacing:.3px}
.ip-brand img{max-height:56px;width:auto}
.ip-nav{display:flex;gap:4px;flex-wrap:wrap}
.ip-nav a{color:#e9edf5;text-decoration:none;padding:8px 14px;border-radius:6px;font-weight:500;font-size:.95rem}
.ip-nav a:hover,.ip-nav a.on{background:rgba(255,255,255,.1);color:var(--gold)}

/* hero */
.hero{text-align:center;padding:56px 20px 40px}
.hero h1{color:var(--navy);font-size:2.3rem;margin:0 0 .5rem}
.hero p{color:var(--muted);font-size:1.1rem;max-width:640px;margin:0 auto 1.4rem}

/* sections & grid */
.pagetitle,.sect{color:var(--navy);position:relative;padding-bottom:.6rem;margin:2.2rem 0 1.2rem}
.pagetitle::after,.sect::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;background:var(--gold);border-radius:2px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-bottom:2rem}
.card{background:var(--card);border:1px solid #e3e7ef;border-top:4px solid var(--gold);border-radius:12px;padding:24px;box-shadow:0 2px 10px rgba(18,41,75,.06);transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(18,41,75,.14)}
.card h3{margin:.4rem 0 .4rem;font-size:1.2rem;line-height:1.35}
.card h3 a{color:var(--navy);text-decoration:none}.card h3 a:hover{color:var(--gold)}
.chip{display:inline-block;background:var(--goldsoft);color:var(--navy);border:1px solid var(--gold);border-radius:999px;font-size:.75rem;font-weight:600;padding:2px 12px;width:fit-content}
.chip.oa{background:#e2f4e6;border-color:#3a9d5d;color:#20693c}
.chip.paid{background:#fdeaea;border-color:#c0392b;color:#8e2b20}
.issn{color:var(--muted);font-size:.83rem;margin:.1rem 0}
.desc{color:var(--muted);font-size:.94rem;margin:.5rem 0 1rem}
.clamp4{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;align-items:center}
.btns.center{justify-content:center}
.btn{display:inline-block;padding:9px 18px;border-radius:6px;font-size:.88rem;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn.solid{background:var(--navy);color:#fff}.btn.solid:hover{background:var(--gold);color:var(--navy)}
.btn.gold{background:var(--gold);color:var(--navy)}.btn.gold:hover{background:var(--navy);color:#fff}
.btn.line{background:#fff;color:var(--navy);border-color:var(--navy)}.btn.line:hover{border-color:var(--gold);color:var(--gold)}
.btn.small{padding:5px 12px;font-size:.8rem}
.more{text-align:right;margin:-1rem 0 2rem}
.cover{text-align:center;margin-bottom:10px}.cover img{max-height:220px;max-width:100%;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,.15)}

/* tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 1.4rem}
.tab{padding:7px 16px;border-radius:999px;background:#fff;border:1px solid #d7dde8;color:var(--navy);text-decoration:none;font-size:.9rem;font-weight:500}
.tab.on,.tab:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

/* detail */
.detail{display:grid;grid-template-columns:280px 1fr;gap:34px;margin:2rem 0}
.detail-cover img{width:100%;border-radius:8px;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.detail-body h1{color:var(--navy);margin:0 0 .3rem}
.subtitle{color:var(--muted);font-size:1.05rem;margin:0 0 1rem}
table.meta{border-collapse:collapse;margin:1rem 0;width:100%}
table.meta th{text-align:left;color:var(--muted);font-weight:600;padding:6px 14px 6px 0;white-space:nowrap;vertical-align:top}
table.meta td{padding:6px 0}
table.meta tr{border-bottom:1px solid #eceff5}
.richtext{margin-top:1.4rem}.richtext img{max-width:100%}

/* footer */
.ip-foot{background:var(--navy);color:#cfd6e4;margin-top:3rem;border-top:4px solid var(--gold)}
.ip-foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;padding:2.2rem 20px 1.2rem}
.ip-foot h4{color:#fff;margin:0 0 .9rem;padding-bottom:.5rem;position:relative;font-size:1.02rem}
.ip-foot h4::after{content:"";position:absolute;left:0;bottom:0;width:42px;height:2px;background:var(--gold)}
.ip-foot p,.ip-foot li{font-size:.92rem;line-height:1.7}
.ip-foot ul{list-style:none;margin:0;padding:0}
.ip-foot a{color:#cfd6e4;text-decoration:none}.ip-foot a:hover{color:var(--gold)}
.ip-foot-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.12);padding:1rem;color:#9aa6bd;font-size:.85rem}

/* admin */
.panel{background:#fff;border:1px solid #e3e7ef;border-radius:12px;padding:26px;margin:1.6rem 0;box-shadow:0 2px 10px rgba(18,41,75,.06)}
.panel.narrow{max-width:420px;margin:4rem auto}
.panel h2{color:var(--navy);margin-top:0}
.panel label{display:block;margin:.7rem 0;font-weight:600;font-size:.9rem;color:var(--navy)}
.panel input,.panel select,.panel textarea{width:100%;padding:9px 12px;border:1px solid #cdd5e1;border-radius:6px;font:inherit;font-weight:400;margin-top:4px}
.panel fieldset{border:1px solid #e3e7ef;border-radius:8px;margin:1rem 0;padding:10px 16px 16px}
.panel legend{font-weight:700;color:var(--navy);font-size:.88rem;padding:0 6px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.cols3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 20px}
table.list{width:100%;border-collapse:collapse;margin:1rem 0}
table.list th{background:var(--navy);color:#fff;text-align:left;padding:9px 12px;font-size:.85rem}
table.list td{padding:8px 12px;border-bottom:1px solid #eceff5;font-size:.92rem;vertical-align:top}
table.list input{width:100%;padding:6px 8px;border:1px solid #cdd5e1;border-radius:5px}
.ok{background:#e2f4e6;border:1px solid #3a9d5d;color:#20693c;padding:10px 16px;border-radius:8px}
.err{background:#fdeaea;border:1px solid #c0392b;color:#8e2b20;padding:10px 16px;border-radius:8px}
.linkbtn{background:none;border:none;color:#c0392b;cursor:pointer;font:inherit;padding:0;text-decoration:underline}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:1rem 0}
.stat{background:var(--bg);border:1px solid #e3e7ef;border-radius:10px;padding:16px;text-align:center}
.stat b{display:block;font-size:1.9rem;color:var(--navy)}
.ip-captcha{display:block;margin:.7rem 0;font-weight:600;color:var(--navy)}
.rte-wrap{background:#fff}.rte-wrap .ql-container{min-height:220px}
.rte-wrap textarea{font-family:monospace;font-size:.85rem}

@media(max-width:820px){.grid{grid-template-columns:1fr}.detail{grid-template-columns:1fr}.ip-foot-grid{grid-template-columns:1fr}.cols,.cols3{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}}

/* login button */
.ip-nav .loginbtn{background:var(--gold);color:var(--navy)!important;font-weight:700}
.ip-nav .loginbtn:hover{background:#fff}

/* uploads/gallery/certificates */
.filelist{display:flex;flex-wrap:wrap;gap:12px;margin:.6rem 0}
.fileitem{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid #e3e7ef;border-radius:8px;padding:6px 10px;font-size:.85rem}
.fileitem img{max-height:48px;border-radius:4px}
.pdfchip{background:#c0392b;color:#fff;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:700}
.gallery{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.gallery img{height:56px;border-radius:5px;cursor:pointer;border:2px solid transparent}
.gallery img:hover{border-color:var(--gold)}
.verify{border-radius:12px;padding:24px 28px;max-width:640px}
.verify.good{background:#e2f4e6;border:2px solid #3a9d5d}
.verify.bad{background:#fdeaea;border:2px solid #c0392b}
.verify b{font-size:1.2rem}