:root{--bg:#f8fafc;--cyan:#2563eb;--purple:#8B5CF6;--t1:#F3F4F6;--t2:#6B7280;--t3:#374151;--card:rgba(7,20,40,.78);--bdr:rgba(37,99,235,.1)}
*{box-sizing:border-box}
body{background:var(--bg);color:#D1D5DB;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;margin:0;min-height:100vh}
.wrap{max-width:1100px;margin:0 auto;padding:48px 24px 60px;position:relative;z-index:1}
.hero{text-align:center;padding:20px 0 32px}
.hero .ic{font-size:3.4rem;margin-bottom:10px;animation:flt 3s ease-in-out infinite}
@keyframes flt{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
h1{font-size:2.2rem;font-weight:700;color:var(--t1);margin:0 0 10px}
.hero p{color:var(--t2);font-size:.92rem;max-width:760px;margin:0 auto;line-height:1.8}
.card{background:var(--card);border:1px solid var(--bdr);border-radius:16px;padding:26px;margin-bottom:24px;backdrop-filter:blur(14px)}
.card h3{margin:0 0 18px;font-size:1.05rem;color:var(--t1)}
.fg{margin-bottom:16px}
.fg label{display:block;font-size:.88rem;color:var(--t2);margin-bottom:6px;font-weight:500}
.fg select,.fg input{padding:12px 14px;background:rgba(10,14,23,.8);border:1px solid rgba(48,54,61,.5);border-radius:10px;color:var(--t1);font-size:.9rem;font-family:inherit;width:100%}
.fg select{appearance:none;background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="12" height="12"%3E%3Cpath fill="%236B7280" d="M6 8L1 3h10z"/%3E%3C/svg%3E');background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.row2{display:grid;grid-template-columns:1fr 2fr;gap:16px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 34px;background:var(--cyan);color:var(--bg);border:none;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s}
.btn:hover{box-shadow:0 0 24px rgba(37,99,235,.25)}
.btn:disabled{opacity:.5;cursor:wait}
table{width:100%;border-collapse:collapse;font-size:.82rem}
th{color:var(--t2);text-align:left;padding:10px 10px;border-bottom:1px solid rgba(48,54,61,.5);font-weight:500;white-space:nowrap}
td{padding:10px;border-bottom:1px solid rgba(48,54,61,.22);color:#D1D5DB;vertical-align:top}
tr:hover td{background:rgba(37,99,235,.03)}
.gid{font-family:monospace;color:var(--cyan);font-size:.78rem;white-space:nowrap}
.gname{color:var(--t1);font-weight:600;white-space:nowrap}
.desc{color:var(--t2);font-size:.78rem;line-height:1.5;max-width:340px}
.ec{font-family:monospace;color:var(--purple);font-size:.75rem;white-space:nowrap}
.ko{font-family:monospace;color:#F59E0B;font-size:.75rem}
.pw{color:var(--t2);font-size:.72rem;word-break:break-all;max-width:180px}
.ess{background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.4);color:#F59E0B;border-radius:12px;padding:2px 8px;font-size:.7rem;white-space:nowrap}
.noess{color:var(--t3);font-size:.7rem}
.pager{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:18px;flex-wrap:wrap}
.pager button{background:rgba(10,14,23,.8);border:1px solid rgba(48,54,61,.5);color:var(--t2);border-radius:8px;padding:6px 14px;font-size:.8rem;cursor:pointer}
.pager button:hover{border-color:rgba(37,99,235,.4);color:var(--t1)}
.pager button.cur{background:rgba(37,99,235,.12);border-color:var(--cyan);color:var(--cyan);font-weight:600}
.pager button:disabled{opacity:.35;cursor:default}
#spin{text-align:center;padding:44px 0;color:var(--t2);display:none}
.spinner{display:inline-block;width:30px;height:30px;border:3px solid rgba(37,99,235,.15);border-top-color:var(--cyan);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:10px}
@keyframes spin{to{transform:rotate(360deg)}}
#loginModal{display:none;position:fixed;inset:0;z-index:9999;background:rgba(2,8,18,.85);align-items:center;justify-content:center}
#loginModal .box{background:rgba(7,20,40,.95);border:1px solid rgba(37,99,235,.2);border-radius:16px;padding:36px 44px;text-align:center;max-width:360px}
#loginModal h3{color:var(--t1);margin:0 0 10px}
#loginModal p{color:var(--t2);font-size:.86rem;margin:0 0 20px}
#loginModal a{display:inline-block;background:var(--cyan);color:var(--bg);text-decoration:none;padding:10px 32px;border-radius:10px;font-weight:600}
.empty{text-align:center;color:var(--t3);padding:30px 0;font-size:.85rem}
#resInfo{color:var(--t2);font-size:.82rem;margin-bottom:12px}
#resInfo b{color:var(--cyan)}
/* 底盘基因检索 SEO 正文（2026-08-16） */
.tool-seo{max-width:960px;margin:40px auto 10px;padding:26px 20px 8px;border-top:1px solid var(--bdr)}
.tool-seo h2{font-size:1.12rem;color:var(--t1);margin:24px 0 8px;line-height:1.6;font-weight:600}
.tool-seo p{font-size:.87rem;color:var(--t2);line-height:1.95;margin:0 0 4px}
.tool-seo a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px}
body.light .tool-seo h2{color:#1F2937}
body.light .tool-seo p{color:#4A5568}
body.light .tool-seo a{color:#0E7A6A}
/* 底盘基因检索：序列列 + 序列详情弹窗（2026-08-16） */
.seqc{text-align:center;white-space:nowrap}
.seq-view{background:rgba(37,99,235,.12);border:1px solid rgba(37,99,235,.45);color:var(--cyan);border-radius:8px;padding:4px 14px;font-size:.75rem;cursor:pointer;transition:all .2s}
.seq-view:hover{background:rgba(37,99,235,.22);box-shadow:0 0 12px rgba(37,99,235,.2)}
.nseq{color:var(--t3);font-size:.72rem}
.pidrow{margin-top:4px;white-space:nowrap}
.pidlink{font-family:monospace;font-size:.68rem;color:#F59E0B;text-decoration:none;border-bottom:1px dashed rgba(245,158,11,.45);transition:color .2s}
.pidlink:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
/* 序列详情弹窗 */
.seq-modal-overlay{display:none;position:fixed;inset:0;z-index:10000;background:rgba(2,8,18,.7);align-items:flex-start;justify-content:center;padding:8vh 16px 24px;overflow-y:auto}
.seq-modal{position:relative;background:#0B1526;border:1px solid rgba(37,99,235,.18);border-radius:16px;width:min(860px,100%);max-height:84vh;display:flex;flex-direction:column;box-shadow:0 24px 60px rgba(0,0,0,.5);padding-bottom:14px}
.seq-modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid rgba(48,54,61,.5)}
.seq-modal-title{font-size:1rem;font-weight:600;color:var(--t1)}
.seq-gid{font-family:monospace;color:var(--cyan);font-size:.8rem}
.seq-modal-close{background:none;border:none;color:var(--t2);font-size:1.4rem;line-height:1;cursor:pointer;padding:0 6px;border-radius:8px}
.seq-modal-close:hover{color:var(--t1);background:rgba(48,54,61,.4)}
.seq-modal-meta{padding:12px 20px;font-size:.78rem;color:var(--t2);line-height:1.8;border-bottom:1px solid rgba(48,54,61,.3)}
.seq-modal-meta code{font-family:monospace;color:var(--cyan);background:rgba(37,99,235,.07);padding:1px 6px;border-radius:4px;font-size:.74rem}
.seq-block{padding:12px 20px 0}
.seq-block-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.seq-block-label{font-size:.82rem;color:var(--t1);font-weight:600}
.seq-actions{display:flex;gap:8px}
.seq-actions button{background:rgba(10,14,23,.8);border:1px solid rgba(48,54,61,.5);color:var(--t2);border-radius:8px;padding:4px 14px;font-size:.75rem;cursor:pointer;transition:all .2s}
.seq-actions button:hover{border-color:rgba(37,99,235,.4);color:var(--cyan)}
.seq-area{width:100%;min-height:120px;resize:vertical;background:rgba(10,14,23,.8);border:1px solid rgba(48,54,61,.5);border-radius:10px;color:#D1D5DB;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.72rem;line-height:1.6;padding:12px;word-break:break-all}
.seq-toast{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);background:rgba(37,99,235,.9);color:#fff;font-size:.78rem;font-weight:600;padding:8px 20px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .3s;white-space:nowrap}
/* 浅色主题适配 */
body.light .seq-modal-overlay{background:rgba(15,23,42,.45)}
body.light .seq-modal{background:#FFFFFF;border-color:rgba(14,122,106,.25);box-shadow:0 24px 60px rgba(15,23,42,.18)}
body.light .seq-modal-head{border-bottom-color:rgba(14,122,106,.15)}
body.light .seq-modal-title{color:#1F2937}
body.light .seq-gid{color:#0E7A6A}
body.light .seq-modal-close{color:#6B7280}
body.light .seq-modal-close:hover{color:#111827;background:rgba(17,24,39,.08)}
body.light .seq-modal-meta{color:#4A5568;border-bottom-color:rgba(14,122,106,.12)}
body.light .seq-modal-meta code{color:#0E7A6A;background:rgba(14,122,106,.08)}
body.light .seq-block-label{color:#1F2937}
body.light .seq-actions button{background:#F6F8FB;border-color:#E2E8F0;color:#4A5568}
body.light .seq-actions button:hover{border-color:#0E7A6A;color:#0E7A6A}
body.light .seq-area{background:#F6F8FB;border-color:#E2E8F0;color:#1F2937}
body.light .seq-view{background:rgba(14,122,106,.1);border-color:rgba(14,122,106,.45);color:#0E7A6A}
body.light .seq-view:hover{background:rgba(14,122,106,.18)}
body.light .nseq{color:#9CA3AF}
body.light .pidlink{color:#D97706}
body.light .pidlink:hover{color:#0E7A6A;border-bottom-color:#0E7A6A}
body.light .seq-toast{background:#0E7A6A;color:#FFFFFF}