:root{--black:#17191D;--black-2:#1E2126;--black-3:#262A30;--graphite:#31363D;--smoke:#424850;--bg:#F1F1EF;--bg-2:#E9E9E6;--bg-3:#F7F7F5;--surface:#fff;--gold:#C6A15B;--gold-2:#DEC382;--wine:#7A2638;--blue-gray:#65798A;--green:#66816F;--text:#202227;--text-2:#555B63;--text-3:#8A9097;--line:rgba(32,34,39,.10);--shadow:0 6px 24px rgba(18,20,24,.10);--radius:10px;--radius-card:14px;--radius-large:20px;--wrap:1320px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:auto}.briefbar{background:var(--black);color:#F4F4F1;font-size:13px}.briefbar .wrap{height:30px;display:flex;align-items:center;gap:16px;overflow:hidden}.briefbar strong{color:var(--gold-2);white-space:nowrap}.site-header{position:sticky;top:0;z-index:50;background:rgba(241,241,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{height:68px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:20px}.brand img{width:34px;height:34px;object-fit:contain}.nav nav{display:flex;gap:18px;flex:1;justify-content:center}.nav nav a,.tools a{font-size:14px;color:var(--text-2)}.nav nav a:hover,.tools a:hover{color:var(--black)}.tools{display:flex;gap:12px;align-items:center}.menu-btn{border:0;background:none;font-size:20px}.hero{min-height:560px;margin-top:34px;border-radius:var(--radius-large);overflow:hidden;background:linear-gradient(135deg,#F4F4F1 0%,#E9E9E6 58%,#D9D8D3 100%);display:grid;grid-template-columns:1.45fr 1fr;box-shadow:var(--shadow)}.hero>div{padding:72px 62px}.hero img{height:100%;width:100%;object-fit:cover}.gold-kicker,.eyebrow{font-size:12px;letter-spacing:.18em;color:#997434;font-weight:700}.hero h1,.page-hero h1{font-size:clamp(36px,5vw,64px);line-height:1.12;margin:18px 0}.hero p{max-width:720px;font-size:18px;color:var(--text-2)}.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}.hero-meta span,.chip,.status{font-size:12px;border:1px solid var(--line);padding:4px 8px;border-radius:999px;background:#fff}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;padding:11px 18px;border-radius:8px;background:var(--graphite);color:#fff;font-weight:600}.btn:hover{background:var(--gold);color:#17191D}.btn.ghost{background:#fff;color:#202227;border:1px solid rgba(198,161,91,.45)}.section{padding:72px 0}.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:28px}.section-head h2{font-size:32px;margin:4px 0}.section-head p{max-width:560px;color:var(--text-2);margin:0}.tagwall{display:flex;gap:12px;flex-wrap:wrap}.tagwall span{padding:10px 14px;border:1px solid var(--line);background:#fff;border-radius:999px}.ranking{background:#fff;border-radius:var(--radius-card);overflow:hidden}.ranking a{display:grid;grid-template-columns:70px 1fr 110px;gap:15px;padding:17px 20px;border-bottom:1px solid var(--line);align-items:center}.ranking a:first-child>b{color:var(--gold)}.ranking b{font-size:24px}.ranking span{display:flex;flex-direction:column}.ranking small{color:var(--text-3)}.ranking em{font-style:normal;color:var(--wine)}.dark-band{background:linear-gradient(135deg,#262A30,#17191D);color:#F4F4F1}.dark-band .section-head p{color:#C8CBD0}.flash-list>div{display:grid;grid-template-columns:80px 1fr 100px;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.09)}.flash-list time{color:var(--gold-2)}.flash-list span{display:flex;flex-direction:column}.flash-list small{color:#C8CBD0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.report-grid article,.columns article,.lesson-grid article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px}.card h3{margin:12px 0 8px}.card p{color:var(--text-2)}.status.ok{border-color:rgba(102,129,111,.4);color:var(--green)}.status.pending{border-color:rgba(198,161,91,.5);color:#8d6b2a}.status.hot{border-color:rgba(122,38,56,.35);color:var(--wine)}.status.info{color:var(--blue-gray)}.timeline-h{display:grid;grid-template-columns:repeat(5,1fr);gap:0}.timeline-h article{position:relative;padding:28px 18px 10px;border-top:1px solid #b7aa8f}.timeline-h .dot{position:absolute;top:-6px;left:18px;width:12px;height:12px;border-radius:50%;background:var(--gold)}.timeline-h time{color:var(--wine);font-weight:700}.split,.image-feature,.relation{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.split img,.image-feature img,.relation img{border-radius:var(--radius-large);max-height:430px;width:100%;object-fit:cover}.reverse{direction:rtl}.reverse>*{direction:ltr}.lead{font-size:18px;color:var(--text-2)}.text-link{color:#8d6b2a;font-weight:700}.columns{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.columns article span{font-size:28px;color:var(--gold)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-grid a{background:#fff;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow)}.topic-grid img{height:220px;width:100%;object-fit:cover}.topic-grid h3,.topic-grid p{margin-left:18px;margin-right:18px}.topic-grid p{color:var(--text-2);padding-bottom:12px}.archive-list{border-top:1px solid var(--line)}.archive-list article{display:grid;grid-template-columns:110px 1fr 1.5fr;gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.archive-list b{color:var(--gold)}.nodes{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.nodes span{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:8px}.comments{display:grid;gap:12px}.comments blockquote{margin:0;padding:18px 20px;background:#fff;border-left:3px solid var(--gold);border-radius:0 10px 10px 0}.week,.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}.week div,.calendar div{background:#fff;border-radius:10px;padding:16px;border:1px solid var(--line);display:flex;flex-direction:column}.calendar{grid-template-columns:repeat(4,1fr)}.calendar b{color:var(--gold)}.lesson-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.lesson-grid b{font-size:28px;color:var(--gold)}.bars{display:grid;gap:14px}.bars div{display:grid;grid-template-columns:150px 1fr 60px;gap:12px;align-items:center}.bars i{height:10px;background:linear-gradient(90deg,var(--gold) var(--w),#ddd var(--w));border-radius:999px}.before-after{display:grid;grid-template-columns:1fr 60px 1fr;gap:20px;align-items:center}.before-after>div{background:#fff;padding:26px;border-radius:14px}.before-after>b{text-align:center;color:var(--gold);font-size:32px}.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px 18px}.faq-list summary{font-weight:700;cursor:pointer}.page-hero{background:linear-gradient(135deg,#E9E9E6,#F7F7F5);padding:70px 0;border-bottom:1px solid var(--line)}.page-hero p{max-width:800px;color:var(--text-2);font-size:18px}.timeline-v{position:relative}.timeline-v article{display:grid;grid-template-columns:90px 20px 1fr;gap:18px;padding:14px 0}.timeline-v .dot{width:12px;height:12px;border-radius:50%;background:var(--gold);margin-top:7px}.device{background:linear-gradient(135deg,#31363D,#17191D);color:#fff;border-radius:20px;padding:34px;display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:center}.device img{max-height:520px;margin:auto}.searchbox{display:flex;max-width:720px}.searchbox input{flex:1;padding:14px;border:1px solid var(--line);font-size:16px}.searchbox input:focus{outline:2px solid var(--gold)}.searchbox button{background:var(--black);color:#fff;border:0;padding:0 22px}footer{margin-top:60px;background:linear-gradient(135deg,#202329,#17191D);color:#C8CBD0;border-top:1px solid var(--gold);padding:54px 0 90px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:30px}.footer-grid h3,.footer-grid h4{color:#F4F4F1}.footer-grid div{display:flex;flex-direction:column;align-items:flex-start}.footer-grid a:hover{color:var(--gold-2)}.copyright{padding-top:24px;margin-top:26px;border-top:1px solid rgba(255,255,255,.08)}.mobile-nav{display:none}.menu-btn{display:none}#backTop{position:fixed;right:24px;bottom:24px;width:42px;height:42px;border-radius:50%;border:0;background:var(--black);color:#fff;display:none}@media(max-width:1200px){.nav nav{gap:11px}.nav nav a{font-size:13px}.cards{grid-template-columns:repeat(3,1fr)}}@media(max-width:1024px){.nav nav{display:none}.tools{margin-left:auto}.menu-btn{display:block}.hero{grid-template-columns:1fr}.hero img{max-height:360px}.timeline-h{grid-template-columns:1fr}.timeline-h article{border-top:0;border-left:1px solid #b7aa8f;padding-left:28px}.timeline-h .dot{top:35px;left:-6px}.cards,.lesson-grid{grid-template-columns:repeat(2,1fr)}.week{grid-template-columns:repeat(4,1fr)}}@media(max-width:900px){.split,.image-feature,.relation,.device{grid-template-columns:1fr}.topic-grid,.columns,.report-grid{grid-template-columns:1fr 1fr}.archive-list article{grid-template-columns:100px 1fr}.archive-list p{grid-column:2}.calendar{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.wrap{width:min(100% - 24px,var(--wrap))}.hero>div{padding:42px 24px}.section{padding:48px 0}.section-head{display:block}.ranking a{grid-template-columns:48px 1fr}.ranking em{grid-column:2}.flash-list>div{grid-template-columns:58px 1fr}.flash-list em{grid-column:2}.cards,.topic-grid,.columns,.report-grid,.lesson-grid,.week,.calendar{grid-template-columns:1fr}.before-after{grid-template-columns:1fr}.before-after>b{transform:rotate(90deg)}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);z-index:60}.mobile-nav a{text-align:center;padding:11px 4px;font-size:12px}#backTop{bottom:70px}.footer-grid{grid-template-columns:1fr}.briefbar span{white-space:nowrap}.hero h1,.page-hero h1{font-size:38px}}@media(max-width:600px){.hero-meta{display:grid}.archive-list article{grid-template-columns:1fr}.archive-list p{grid-column:auto}.bars div{grid-template-columns:100px 1fr 42px}.tools a{display:none}}