:root{--navy: #102a43;--navy-2: #173b5f;--blue: #1769e0;--blue-dark: #0d56bf;--cyan: #36d5d0;--bg: #f4f7fb;--surface: #fff;--text: #182b3e;--muted: #6f8192;--line: #dce5ee;--soft-blue: #edf5ff;--green: #12805c;--soft-green: #e8f7f0;--orange: #c76b13;--soft-orange: #fff3e5;--shadow: 0 18px 48px rgba(22, 54, 87, .1);--radius: 18px}
*{box-sizing:border-box}
html{min-width:320px;background:var(--bg)}
body{margin:0;color:var(--text);background:var(--bg);font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;line-height:1.5}
#app{min-height:100vh;min-height:100dvh}
button,input,select{font:inherit}
button,select{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(23,105,224,.24);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.site-header{height:72px;background:#fffffff7;border-bottom:1px solid rgba(220,229,238,.75)}
.header-inner,main{width:min(1180px,calc(100% - 40px));margin:0 auto}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;color:var(--navy);text-decoration:none}
.brand-mark{display:grid;place-items:center;width:41px;height:41px;color:#fff;background:linear-gradient(145deg,var(--blue),#0b4ca7);border-radius:12px;box-shadow:0 8px 18px #1769e040;font-weight:700}
.brand strong,.brand small{display:block}
.brand strong{font-size:19px;letter-spacing:.12em}
.brand small{color:var(--muted);font-size:11px;letter-spacing:.08em}
.secure-tip{color:var(--muted);font-size:13px}
.secure-tip span{color:#20b681;font-size:10px;margin-right:6px}
.hero{position:relative;min-height:285px;display:flex;align-items:center;padding:38px 5.5% 64px;overflow:hidden;color:#fff;background:linear-gradient(120deg,#0e2942,#153c5f 55%,#0e4e72);border-radius:0 0 28px 28px}
.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:.18;background-image:radial-gradient(circle at 1px 1px,#fff 1px,transparent 0);background-size:27px 27px;-webkit-mask-image:linear-gradient(90deg,transparent,black);mask-image:linear-gradient(90deg,transparent,black)}
.hero-copy{z-index:1}
.eyebrow{margin:0 0 10px;color:#81d9e6;font-size:11px;letter-spacing:.3em}
.hero h1{margin:0;font-size:clamp(30px,4vw,48px);line-height:1.25;letter-spacing:.02em}
.hero h1 span{color:#58d6df}
.hero-copy>p:last-child{margin:15px 0 0;color:#c5d8e7;font-size:15px}
.hero-art{position:absolute;right:9%;width:260px;height:220px}
.idea{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:105px;height:105px;color:#b7fdff;background:#25c5cc1f;border:1px solid rgba(129,241,243,.42);border-radius:50%;font-size:54px;box-shadow:0 0 70px #3cdadc59}
.idea small{position:absolute;bottom:-25px;font-size:9px;letter-spacing:.36em}
.orbit{position:absolute;inset:50% auto auto 50%;border:1px solid rgba(116,222,232,.24);border-radius:50%;transform:translate(-50%,-50%)}
.orbit-one{width:170px;height:170px}
.orbit-two{width:240px;height:240px}
.search-panel{position:relative;z-index:2;width:91%;margin:-38px auto 26px;padding:24px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel-heading,.results-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}
.panel-heading{margin-bottom:18px}
.panel-heading>div{display:flex;align-items:center;gap:9px}
.panel-heading h2,.results-heading h2{margin:0;font-size:18px}
.heading-icon{color:var(--blue);font-size:24px}
.filter-toggle{display:none;border:0;color:var(--blue);background:transparent}
.primary-search{display:grid;grid-template-columns:auto auto 1fr auto;align-items:center;min-height:58px;border:1.5px solid #b8c9da;border-radius:13px;overflow:hidden;transition:border .2s,box-shadow .2s}
.primary-search:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px #1769e014}
.search-symbol{padding-left:20px;color:#7890a7;font-size:25px}
.scope-select{height:36px;margin-left:12px;padding:0 30px 0 10px;color:var(--navy);background:var(--soft-blue);border:0;border-radius:8px;font-size:12px;font-weight:600}
.primary-search input{min-width:0;height:56px;padding:0 15px;border:0;outline:0;color:var(--text)}
.search-button{align-self:stretch;min-width:140px;margin:5px;border:0;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-dark));border-radius:10px;font-weight:700;box-shadow:0 6px 15px #1769e038}
.advanced-filters{display:grid;grid-template-columns:repeat(4,minmax(140px,1fr));align-items:end;gap:14px;margin-top:18px}
.advanced-filters>label{display:grid;gap:6px;color:#4e6275;font-size:12px;font-weight:600}
.advanced-filters>label input,.advanced-filters>label select,.sort-control select{width:100%;height:42px;padding:0 11px;color:var(--text);background:#f9fbfd;border:1px solid var(--line);border-radius:9px}
.type-options{grid-column:span 2;min-width:0;margin:0;padding:8px 12px 10px;border:1px solid var(--line);border-radius:9px}
.type-options legend{padding:0 4px;color:#4e6275;font-size:12px;font-weight:600}
.type-options label{display:inline-flex;align-items:center;gap:5px;min-height:32px;margin-right:14px;color:var(--text);font-size:12px;white-space:nowrap}
.type-options input{width:16px;height:16px;margin:0;accent-color:var(--blue)}
.reset-button{height:42px;color:var(--blue);background:var(--soft-blue);border:0;border-radius:9px;font-weight:600}
.advanced-search-entry{margin-top:12px}
.advanced-search-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:8px 13px;color:var(--navy);background:#f7faff;border:1px solid var(--line);border-radius:10px;text-align:left}
.advanced-search-toggle>span:first-child{display:grid;gap:1px}
.advanced-search-toggle strong{font-size:13px}
.advanced-search-toggle small{color:var(--muted);font-size:11px;font-weight:400}
.toggle-arrow{color:var(--blue);font-size:18px;transition:transform .2s}
.advanced-search-toggle[aria-expanded=true] .toggle-arrow{transform:rotate(180deg)}
.advanced-search{padding:15px;background:#fbfdff;border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px}
.advanced-search-intro{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.advanced-search-intro strong{font-size:13px}
.advanced-search-intro span{color:var(--muted);font-size:11px}
.word-rule{display:grid;grid-template-columns:minmax(180px,.7fr) minmax(320px,1.8fr);align-items:center;gap:14px;padding:12px;background:#fff;border:1px solid #e5ebf1;border-radius:9px}
.word-rule+.word-rule{margin-top:10px}
.rule-label{display:flex;align-items:center;gap:9px}
.rule-label>span:last-child{display:grid}
.rule-label strong{font-size:13px}
.rule-label small{color:var(--muted);font-size:10px}
.rule-mark{display:grid;place-items:center;flex:0 0 27px;height:27px;border-radius:50%;font-size:18px;font-weight:700}
.include-rule .rule-mark{color:var(--green);background:var(--soft-green)}
.exclude-rule .rule-mark{color:#b44d3a;background:#fff0ed}
.rule-inputs{display:grid;grid-template-columns:minmax(180px,1fr) 130px 170px;gap:8px}
.exclude-rule .rule-inputs{grid-template-columns:minmax(180px,1fr) 170px}
.rule-inputs input,.rule-inputs select,.include-term-row input,.include-options select{width:100%;height:42px;padding:0 11px;color:var(--text);background:#fff;border:1px solid #cfdbe6;border-radius:8px}
.include-rule-content{display:grid;gap:9px}
.include-terms{display:grid;gap:8px}
.include-term-row{display:grid;grid-template-columns:1fr auto;gap:8px}
.remove-term-button,.add-term-button{min-height:40px;padding:0 12px;border:1px solid #cfdbe6;border-radius:8px;font-size:12px;font-weight:600}
.remove-term-button{color:#a14636;background:#fff7f5}
.add-term-button{justify-self:start;color:var(--blue);background:var(--soft-blue);border-color:#d5e6fb}
.add-term-button:disabled{color:var(--muted);background:#f1f4f6;cursor:not-allowed}
.include-options{display:grid;grid-template-columns:1fr 1.25fr;gap:8px}
.include-options label{display:grid;gap:4px;color:var(--muted);font-size:10px}
.reservation-status{display:grid;gap:2px;min-width:118px}
.reservation-status small{color:var(--muted);font-size:10px;white-space:nowrap}
.badge-reserved{width:fit-content;color:#8a5600;background:#fff0c7}
.muted-status{color:#a4b0bb}
.card-badges{display:flex;flex-wrap:wrap;align-items:flex-start;gap:4px 8px;margin-bottom:8px}
.card-badges .reservation-status{display:inline-grid}
.results-section{margin:0 auto 50px;padding:0 4.5%}
.results-heading{margin:0 0 15px}
.results-heading h2{font-size:20px}
.results-heading p{margin:3px 0 0;color:var(--muted);font-size:12px}
.sort-control{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
.sort-control select{width:145px;height:38px;background:#fff}
.results-actions{display:flex;align-items:center;gap:12px}
.export-button{min-height:38px;padding:0 17px;color:#fff;background:#16775a;border:0;border-radius:9px;font-weight:700;box-shadow:0 5px 14px #16775a2e}
.export-button:hover:not(:disabled){background:#0f644a}
.export-button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
.export-action{display:grid;gap:3px}
.export-error{max-width:220px;color:#b4412d;font-size:11px}
.status-area{min-height:260px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.empty-state{max-width:390px;padding:40px 20px;text-align:center}
.empty-state>span{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 15px;color:var(--blue);background:var(--soft-blue);border-radius:50%;font-size:34px}
.empty-state h3{margin:0 0 6px;font-size:17px}
.empty-state p{margin:0;color:var(--muted);font-size:13px}
.loading-spinner{width:38px;height:38px;border:3px solid var(--line);border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}
}
.desktop-table{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:900px}
th{padding:13px 16px;color:#60758a;background:#f6f9fc;border-bottom:1px solid var(--line);font-size:12px;text-align:left;font-weight:600}
td{padding:16px;border-bottom:1px solid #edf1f5;font-size:13px;vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafdff}
.patent-title{display:block;max-width:340px;margin-bottom:5px;color:var(--navy);font-weight:700}
.patent-number{color:var(--muted);font-size:11px}
.badge{display:inline-block;margin:0 4px 5px 0;padding:4px 8px;border-radius:999px;font-size:11px;white-space:nowrap}
.badge-blue{color:var(--blue-dark);background:var(--soft-blue)}
.badge-green{color:var(--green);background:var(--soft-green)}
.badge-orange{color:var(--orange);background:var(--soft-orange)}
.badge-gray{color:#657789;background:#edf1f4}
.price-cell{text-align:right;white-space:nowrap}
.price{color:#d25037;font-size:16px;font-weight:700}
.remark{display:block;max-width:200px;color:var(--muted);word-break:break-word}
.mobile-list{display:grid;gap:12px}
.patent-card{padding:16px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 5px 16px #1432500a}
.card-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}
.card-top h3{margin:0 0 5px;font-size:15px}
.card-name-field{display:grid;gap:3px;margin-bottom:10px}
.card-name-field strong{color:var(--navy);font-size:14px}
.card-name-field span{color:var(--muted);font-size:11px}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:12px;border-top:1px solid #edf1f5}
.card-field span{display:block;color:var(--muted);font-size:10px}
.card-field strong{font-size:12px;font-weight:500}
.card-remark{grid-column:1 / -1}
.pagination{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:20px}
.pagination button{min-height:40px;padding:0 16px;color:var(--blue);background:#fff;border:1px solid var(--line);border-radius:9px}
.pagination button:disabled{color:#9aa8b6;background:#eef2f5;cursor:not-allowed}
.pagination span{color:var(--muted);font-size:12px}
footer{padding:20px;color:#8493a1;text-align:center;font-size:11px}
[hidden]{display:none!important}
@media(max-width:900px){.hero-art{right:2%;transform:scale(.8)}
.advanced-filters{grid-template-columns:repeat(2,1fr)}
.type-options{grid-column:1 / -1}
.search-panel{width:95%}
.results-section{padding:0 2.5%}
}
@media(max-width:760px){.word-rule,.rule-inputs,.include-options{grid-template-columns:1fr}
.advanced-search-intro{align-items:flex-start;flex-direction:column;gap:2px}
}
@media(max-width:680px){.site-header{height:62px}
.header-inner,main{width:100%}
.header-inner{padding:0 16px}
.secure-tip{display:none}
.brand-mark{width:36px;height:36px}
.brand strong{font-size:17px}
.hero{min-height:220px;padding:28px 20px 52px;border-radius:0 0 22px 22px}
.hero h1{font-size:29px}
.hero-copy>p:last-child{max-width:280px;font-size:13px}
.hero-art{right:-88px;opacity:.7;transform:scale(.62)}
.search-panel{width:calc(100% - 24px);margin-top:-30px;padding:17px}
.panel-heading{margin-bottom:13px}
.filter-toggle{display:block}
.primary-search{grid-template-columns:auto 1fr}
.scope-select{grid-column:1 / -1;grid-row:1;width:calc(100% - 10px);height:42px;margin:5px}
.search-symbol,.primary-search input{grid-row:2}
.search-button{grid-column:1 / -1;min-height:48px;margin:5px}
.advanced-filters{display:none;grid-template-columns:1fr}
.advanced-filters.is-open{display:grid}
.results-section{padding:0 12px}
.results-heading{align-items:flex-start;flex-direction:column}
.results-actions{width:100%;justify-content:space-between}
.sort-control{display:grid;gap:3px}
.sort-control select{width:130px}
.desktop-table{display:none!important}
.mobile-list:not([hidden]){display:grid}
.status-area{min-height:220px}
.card-top{align-items:flex-start}
.price{font-size:15px}
}
@media(min-width:681px){.mobile-list{display:none!important}
}
@media(min-width:1440px){.header-inner,main{width:min(1380px,calc(100% - 64px))}
.hero{min-height:310px}
.search-panel{width:93%}
.results-section{padding-inline:3.5%}
}
@media(max-width:420px){.search-panel{width:calc(100% - 16px);padding:14px}
.hero{padding-inline:16px}
.hero h1{font-size:26px}
.results-heading{gap:8px}
.sort-control select{width:116px}
.patent-card{padding:14px}
.card-top{gap:8px}
.card-grid{grid-template-columns:1fr}
.card-remark{grid-column:auto}
.pagination{gap:8px}
.pagination button{padding-inline:12px}
}
@supports (padding: max(0px)){.header-inner{padding-left:max(0px,env(safe-area-inset-left));padding-right:max(0px,env(safe-area-inset-right))}
footer{padding-bottom:max(20px,env(safe-area-inset-bottom))}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;scroll-behavior:auto!important}
}