@charset "UTF-8";
:root{--ink:#183638;--muted:#718180;--teal:#147d72;--teal-dark:#0a5d55;--pale:#edf5f1;--line:#e1e9e5;--paper:#f7f9f6;--orange:#dc7955;--radius:16px}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--paper)}a{color:var(--teal);text-decoration:none}a:hover{color:var(--teal-dark)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #d99f37;outline-offset:4px}input:focus,textarea:focus,select:focus{outline:2px solid #70b8a8;outline-offset:1px}h1,h2,h3,p{margin-top:0}h1{font-size:32px;line-height:1.4;letter-spacing:-1px}h2{font-size:23px;line-height:1.4}h3{font-size:17px;line-height:1.6}p{margin-bottom:16px}.shell{max-width:1180px;padding:0 28px;margin:auto}.preview-bar{background:#e9ddb9;color:#605128;text-align:center;font-size:12px;padding:5px 10px;letter-spacing:1px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:25px;font-weight:800;white-space:nowrap}.brand-icon{display:grid;place-items:center;background:var(--teal);color:white;width:39px;height:39px;border-radius:12px 12px 12px 3px;font-size:23px}.brand-note{font-size:12px;font-weight:400;color:var(--muted);border-left:1px solid var(--line);margin-left:6px;padding-left:14px;letter-spacing:2px}.site-header nav{display:flex;gap:30px;margin-right:auto;margin-left:32px}.site-header nav a{color:#526765}.account-links{display:flex;align-items:center;gap:18px;font-size:14px}.account-links form{margin:0}.text-button{border:0;background:none;color:var(--muted);padding:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--teal);color:#fff;border:1px solid var(--teal);padding:12px 23px;border-radius:9px;font-weight:600;line-height:1.5}.button:hover{background:var(--teal-dark);color:#fff}.button.small{padding:8px 16px;font-size:13px}.button.outline{background:transparent;color:var(--teal);border-color:#bfd5cd}.button.outline:hover{background:var(--pale)}.wide{width:100%}.busy{opacity:.6}.hero{background:#eef4ee;border-bottom:1px solid #dce8de;overflow:hidden}.hero-inner{display:flex;min-height:442px;align-items:center;justify-content:space-between;gap:48px;padding-top:46px;padding-bottom:48px}.hero-copy{flex:1;max-width:745px;position:relative;z-index:2}.eyebrow{display:block;text-transform:uppercase;font-size:12px;letter-spacing:2px;font-weight:600;color:var(--teal);margin-bottom:14px}.hero 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#d1e1d2;border-radius:50%;width:290px;height:290px;left:0;top:0}.orbit.two{width:370px;height:370px;left:-40px;top:-40px}.art-card{position:absolute;left:27px;top:30px;width:235px;height:245px;background:#fffdf5;border-radius:15px;box-shadow:15px 18px 0 #d3e4d5;transform:rotate(-8deg);padding:28px;color:#355c50;border:1px solid #d9e2cf}.art-label{font-size:11px;color:#849580;letter-spacing:2px}.art-card strong{display:block;font-size:29px;margin:12px 0 20px;letter-spacing:5px}.art-line{height:7px;border-radius:4px;background:#e0e9da;width:90%;margin-bottom:11px}.art-line.short{width:62%}.art-check{position:absolute;right:10px;bottom:40px;display:grid;place-items:center;background:#e4986f;color:#fff;width:64px;height:64px;border:5px solid #fffdf5;border-radius:50%;font-size:30px;transform:rotate(8deg)}.art-card small{position:absolute;bottom:23px;font-size:11px;color:#87927c}.art-plus{position:absolute;top:-10px;right:-3px;font-size:48px;color:#b3c6a9}.art-dot{position:absolute;bottom:-25px;left:10px;width:16px;height:16px;border-radius:50%;background:#dca67d}.home-content{padding-top:40px;padding-bottom:60px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 22px}.section-head h1,.section-head h2{margin-bottom:0}.section-head .eyebrow{margin-bottom:7px}.section-head>a{font-size:13px}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.category-card{display:flex;align-items:center;gap:16px;padding:23px;background:white;border:1px solid var(--line);border-radius:12px;color:var(--ink)}.category-card:hover{border-color:#8cb6a9;box-shadow:0 7px 20px #18363806}.category-symbol{width:48px;height:48px;display:grid;place-items:center;background:var(--pale);color:var(--teal);font-weight:700;font-size:21px;border-radius:12px;flex-shrink:0}.category-card h3{margin:0 0 3px}.category-card p{margin:0;font-size:12px;color:var(--muted)}.arrow{margin-left:auto;color:#7c9b8b}.latest-section{margin-top:46px}.two-column{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:26px;align-items:start}.question-feed{display:grid;gap:14px}.question-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 26px}.question-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);flex-wrap:wrap;margin-bottom:14px}.tag{padding:3px 10px;background:#eef5f0;border-radius:5px;color:#527868;font-size:12px}.free{color:var(--teal);margin-left:auto}.question-card h3{font-size:17px;margin-bottom:13px}.question-card h3 a{color:var(--ink)}.question-card h3 a:hover{color:var(--teal)}.options-excerpt{color:var(--muted);font-size:13px;white-space:pre-line;margin-bottom:16px}.question-bottom{display:flex;justify-content:space-between;font-size:12px;color:#8e9c95;border-top:1px solid #f0f3ef;padding-top:13px}.tip-card{background:#e9f0e3;padding:28px;border-radius:14px;border:1px solid #dce6d3;margin-bottom:18px}.tip-card h3{font-size:24px;line-height:1.6;letter-spacing:-.5px}.tip-card p{font-size:13px;color:#708169}.tip-card .button{font-size:13px;padding:11px 16px;width:100%}.side-note{display:flex;gap:15px;padding:12px 8px;color:var(--muted);font-size:12px}.side-note span{font-family:Georgia,serif;font-size:27px;color:#9faf9c}.footer{border-top:1px solid var(--line);background:#fff;padding:36px 0}.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:center}.footer .brand{font-size:20px}.footer .brand-icon{width:30px;height:30px;font-size:18px}.footer p{margin:12px 0 0;color:#92a099;font-size:12px}.footer-inner>div:last-child>a{font-size:12px;margin-right:20px}.muted{color:var(--muted);font-size:14px}.page{padding-top:32px;padding-bottom:65px;min-height:65vh}.page-title{margin:15px 0 26px}.page-title h1{margin-bottom:10px}.category-page{margin-top:30px}.breadcrumb{display:flex;gap:10px;font-size:12px;color:var(--muted);margin-bottom:25px;flex-wrap:wrap}.breadcrumb a{color:var(--muted)}.page>.searchbox{margin-bottom:32px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:20px;min-width:0}.empty{text-align:center;padding:56px 25px;color:var(--muted);grid-column:1/-1}.empty h2,.empty h3{color:var(--ink)}.empty-symbol{display:block;font-size:52px;color:#97b6a4}.notice{padding:15px 20px;background:#fff8e8;border:1px solid #eee1bf;border-radius:10px;margin-bottom:25px;font-size:13px;color:#7c6940}.notice span{font-weight:700;margin-right:18px}.filter-row{display:flex;align-items:center;gap:12px;margin-bottom:22px}.filter-row select{width:auto}.pagination{display:flex;justify-content:center;align-items:center;gap:25px;margin-top:30px;font-size:13px}.pagination a{border:1px solid var(--line);padding:7px 14px;border-radius:7px;background:#fff}.detail h1{font-size:24px;line-height:1.8;margin:16px 0 24px;letter-spacing:0}.options{display:grid;gap:10px}.options>div{padding:12px 17px;background:#f7f9f6;border:1px solid #e9eeea;border-radius:8px;white-space:pre-wrap}.question-image{max-width:100%;max-height:500px;object-fit:contain;margin-bottom:20px}.detail-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:24px;font-size:13px}.detail-actions .muted{font-size:12px;margin-left:auto}.answer-panel{border-top:3px solid var(--teal)}.answer-icon{background:var(--pale);color:var(--teal);border-radius:50%;display:inline-grid;place-items:center;width:29px;height:29px;font-size:18px}.answer-text{font-size:20px;color:var(--teal);font-weight:600;background:#f2f7f2;padding:20px;border-radius:9px;overflow-wrap:anywhere}.explanation{margin-top:25px;line-height:1.9;overflow-wrap:anywhere}.explanation h3{font-size:15px}.related{display:block;padding:14px 0;border-bottom:1px solid var(--line);color:#526b62;font-size:13px}.related:last-child{border:0}.related span{color:#9dab9f}.auth-layout{display:grid;grid-template-columns:1fr 440px;gap:70px;align-items:center;min-height:70vh;padding-top:60px;padding-bottom:60px}.auth-intro h1{font-size:40px;line-height:1.6}.auth-intro p{color:var(--muted)}.auth-card{padding:32px}.auth-card h2{margin-bottom:25px}label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}input:not([type=checkbox]):not([type=hidden]),select,textarea{border:1px solid #cad8cf;border-radius:7px;padding:10px 12px;width:100%;background:white;color:var(--ink)}.searchbox input{border:0;padding:12px 5px}.helptext{display:block;font-size:12px;color:var(--muted);margin-top:6px}.helptext ul{padding-left:18px}.errorlist{color:#ab3f32;background:#fff0ec;padding:10px 15px 10px 30px;border-radius:7px;font-size:13px}.center{text-align:center}.small-copy{font-size:12px}.auth-card form+p{margin:20px 0 0}.messages{padding-top:16px}.message{border-radius:9px;padding:12px 18px;background:#e4f2e8;border:1px solid #bcd6c3;margin-bottom:10px}.message.error{background:#fff0ec;border-color:#f0cec5}.tabs{display:flex;gap:25px;border-bottom:1px solid var(--line);margin:25px 0}.tabs a{padding:12px 0;color:var(--muted)}.tabs a.selected{color:var(--teal);border-bottom:3px solid var(--teal)}.account-row{padding:20px 0;border-bottom:1px solid var(--line)}.account-row:last-child{border:0}.account-row h3{margin-bottom:8px}.reply{padding:15px;background:var(--pale);border-radius:8px}.narrow{max-width:850px}.prose{line-height:1.9}.prose h2{margin-top:26px;font-size:19px}.prose p{color:#64766b;font-size:14px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat-grid .panel{padding:22px}.stat-grid span{font-size:13px;color:var(--muted)}.stat-grid strong{display:block;font-size:36px;line-height:1.5;margin-top:8px;font-weight:600}.ops-links{display:flex;flex-wrap:wrap;gap:12px;margin:5px 0 30px}.ops-links a{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 16px;font-size:13px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th{background:#f3f6f1;color:#6c7d70;font-weight:500;white-space:nowrap}td,th{padding:13px 16px;border-bottom:1px solid var(--line)}td{min-width:70px;max-width:350px;overflow-wrap:anywhere}.mapping-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:25px}.mapping-grid select{margin-top:8px}.button-row{display:flex;gap:10px}.mobile-only{display:none}form p{margin-bottom:18px}textarea{resize:vertical;min-height:110px}main{overflow-wrap:break-word}input[type=file]{padding:18px!important;background:var(--paper)!important}h1,h2,h3{font-weight:650}
@media(max-width:1000px){.brand-note{display:none}.hero-art{width:220px;transform:scale(.85);transform-origin:right center}.hero h1{font-size:37px}.site-header nav{margin-left:10px;gap:18px}.two-column{grid-template-columns:minmax(0,1fr) 240px}.category-grid{grid-template-columns:repeat(2,1fr)}.auth-layout{gap:35px;grid-template-columns:1fr 400px}.auth-intro h1{font-size:32px}}
@media(max-width:720px){.shell{padding-left:18px;padding-right:18px}.header-inner{min-height:72px;gap:12px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.brand{font-size:21px}.brand-icon{width:33px;height:33px;font-size:20px}.site-header nav{order:3;width:100%;margin:0;justify-content:center;border-top:1px solid var(--line);padding-top:10px;font-size:13px;gap:35px}.account-links{gap:10px;margin-left:auto;font-size:12px}.button.small{padding:7px 11px}.hero-inner{padding-top:32px;padding-bottom:32px;min-height:0}.hero-art{display:none}.hero h1{font-size:33px}.hero p{font-size:13px}.hero-hints{gap:16px;font-size:11px}.searchbox{gap:2px;padding:5px}.searchbox input{font-size:12px!important;padding:12px 2px!important}.search-icon{padding-left:5px;font-size:23px}.searchbox .button{font-size:12px;padding:12px 11px;gap:5px}.hero-copy{width:100%}.hero .eyebrow{font-size:11px}.two-column{grid-template-columns:1fr}.two-column>aside{display:none}.two-column>aside.prose{display:block}.category-grid{grid-template-columns:1fr 1fr;gap:10px}.category-card{padding:16px 12px;gap:10px;align-items:start}.category-symbol{width:33px;height:33px;font-size:17px}.category-card h3{font-size:14px}.category-card p{font-size:11px}.category-card .arrow{display:none}.section-head h1{font-size:25px}.section-head h2{font-size:21px}.section-head{align-items:flex-start;gap:12px}.section-head>.muted{font-size:11px;white-space:nowrap;margin-top:7px}.section-head>a{font-size:12px;white-space:nowrap;margin-top:6px}.question-card{padding:19px}.question-card h3{font-size:16px}.footer-inner{display:block}.footer-inner>div:last-child{margin-top:22px}.footer-inner>div:last-child>a{margin-right:13px}.home-content{padding-top:28px}.latest-section{margin-top:34px}.panel{padding:21px}.detail h1{font-size:21px}.answer-text{font-size:18px}.detail-actions{gap:15px}.detail-actions .muted{width:100%;margin-left:0}.auth-layout{display:block;min-height:0;padding-top:35px}.auth-intro{display:none}.auth-card{max-width:450px;margin:auto}.tabs{gap:25px;font-size:13px}.stat-grid{grid-template-columns:repeat(2,1fr);gap:10px}.stat-grid .panel{margin-bottom:0;padding:18px}.stat-grid{margin-bottom:24px}.stat-grid strong{font-size:30px}.mapping-grid{grid-template-columns:1fr 1fr}.button-row{flex-direction:column}.ops-links{gap:8px}.ops-links a{padding:8px 11px;font-size:12px}.page{padding-top:25px}.mobile-only{display:block}.empty{padding:36px 15px}.category-page{grid-template-columns:1fr}.question-meta{gap:8px}.preview-bar{font-size:10px}.filter-row{font-size:13px}}
.art-card strong{font-size:26px;letter-spacing:2px;white-space:nowrap}.searchbox input[name="key"]{border:0;width:auto;background:transparent}