/* roulang page: index */
:root{
  --blue:#236c9f;
  --blue-dark:#17344a;
  --blue-soft:#eaf3f8;
  --blue-pale:#f3f8fb;
  --ink:#17344a;
  --muted:#637b8b;
  --line:#dce7ed;
  --white:#fff;
  --bg:#f8fafb;
  --teal:#2e8c87;
  --shadow:0 10px 28px rgba(23,52,74,.08);
  --shadow-hover:0 18px 38px rgba(23,52,74,.14);
  --radius:16px;
  --radius-sm:12px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(35,108,159,.32);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.site-header{height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;color:var(--blue-dark);letter-spacing:.01em}
.brand-mark{width:31px;height:31px;border:1.5px solid var(--blue);border-radius:10px;display:grid;place-items:center;color:var(--blue);background:var(--blue-pale)}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}
.desktop-nav{display:flex;align-items:center;gap:6px;margin:auto}
.desktop-nav a{font-size:14px;font-weight:650;color:var(--muted);padding:9px 13px;border-radius:9px;position:relative;transition:.2s ease}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue);background:var(--blue-soft)}
.desktop-nav a.active:after{content:"";position:absolute;width:24px;height:2px;border-radius:4px;background:var(--blue);bottom:2px;left:50%;transform:translateX(-50%)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search-box{height:40px;width:188px;border:1px solid var(--line);border-radius:999px;background:#fff;display:flex;align-items:center;padding:0 13px;gap:8px;transition:.2s}
.search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(35,108,159,.12)}
.search-box svg{width:17px;color:var(--muted);stroke:currentColor;fill:none;stroke-width:2}
.search-box input{border:0;outline:0;width:100%;padding:0;background:transparent;font-size:13px;color:var(--ink)}
.search-box input::placeholder{color:#91a4b0}
.btn{border:1px solid transparent;border-radius:10px;min-height:42px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;color:var(--blue-dark)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 7px 15px rgba(35,108,159,.18)}
.btn-primary:hover{background:#185980;color:#fff}
.btn-secondary{background:#fff;border-color:#bbd1df;color:var(--blue)}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-pale);color:var(--blue)}
.mobile-tools{display:none;margin-left:auto;gap:8px}
.icon-button{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue-dark);display:grid;place-items:center}
.icon-button svg{width:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:18px 24px 22px}
.mobile-panel.open{display:block}
.mobile-links{display:grid;gap:5px;margin-bottom:14px}
.mobile-links a{padding:10px 12px;border-radius:9px;font-weight:700;color:var(--muted)}
.mobile-links a.active{background:var(--blue-soft);color:var(--blue)}
.mobile-panel .search-box{width:100%;margin-bottom:12px}
.mobile-panel .nav-actions{display:grid;grid-template-columns:1fr 1fr}
.hero{background:var(--blue-dark);padding:74px 0 76px;color:#fff;overflow:hidden;position:relative}
.hero:before{content:"";position:absolute;width:550px;height:550px;border:1px solid rgba(198,225,239,.16);border-radius:50%;right:-220px;top:-310px}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:54px;align-items:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em}
.dot{width:7px;height:7px;border-radius:50%;background:#72c4bf}
h1,h2,h3,p{margin-top:0}
h1{font-size:48px;line-height:1.25;letter-spacing:-.035em;margin:18px 0 18px;font-weight:800}
.hero-copy{max-width:625px;color:#d8e8f0;font-size:17px;line-height:1.9;margin-bottom:27px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-secondary{color:#fff;background:transparent;border-color:rgba(255,255,255,.42)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px}
.point{padding-left:11px;border-left:2px solid #72c4bf}
.point strong{display:block;color:#fff;font-size:14px}
.point span{display:block;color:#aac5d3;font-size:12px}
.data-board{background:#fff;border-radius:18px;padding:17px;box-shadow:0 23px 48px rgba(4,25,39,.26);color:var(--ink);transform:rotate(1deg)}
.board-head{display:flex;align-items:center;justify-content:space-between;padding:5px 4px 15px;border-bottom:1px solid var(--line)}
.board-title{font-size:14px;font-weight:800}
.board-state{font-size:12px;font-weight:700;color:var(--teal);background:#e7f5f3;padding:3px 8px;border-radius:99px}
.board-search{display:flex;align-items:center;gap:8px;background:var(--blue-pale);border-radius:10px;padding:10px 12px;margin:14px 0;font-size:12px;color:var(--muted)}
.board-search svg{width:16px;height:16px;stroke:var(--blue);fill:none;stroke-width:2}
.rank-row{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;padding:10px 5px;border-bottom:1px solid #edf3f6}
.rank-row:last-child{border-bottom:0}
.rank-num{width:24px;height:24px;border-radius:7px;background:var(--blue-soft);display:grid;place-items:center;font-size:11px;font-weight:800;color:var(--blue)}
.rank-name{font-size:13px;font-weight:700}
.rank-meta{font-size:11px;color:var(--muted)}
.rank-tag{font-size:11px;padding:2px 7px;border:1px solid var(--line);border-radius:99px;color:var(--muted)}
.board-foot{margin-top:13px;padding:12px;background:#f5fafb;border-radius:10px;display:flex;justify-content:space-between;align-items:center;font-size:12px}
.board-foot b{color:var(--blue)}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
.section-kicker{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}
h2{font-size:32px;line-height:1.35;margin-bottom:0;letter-spacing:-.025em;font-weight:800;color:var(--blue-dark)}
.section-intro{max-width:510px;color:var(--muted);font-size:15px;margin:0}
.case-area{background:var(--blue-soft)}
.case-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.case-card{background:#fff;border:1px solid #d6e4eb;border-radius:var(--radius);padding:25px;box-shadow:0 6px 18px rgba(23,52,74,.05);transition:.22s ease;min-height:250px}
.case-card:hover,.feature-card:hover,.article-item:hover,.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#b6cfdd}
.case-card.featured{background:linear-gradient(135deg,#fff 0%,#f5fbfd 100%);display:flex;flex-direction:column;justify-content:space-between}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:11px;font-weight:750;background:var(--blue-soft);color:var(--blue)}
.badge.teal{background:#e7f5f3;color:#23736e}
.case-card h3,.feature-card h3,.article-copy h3{font-size:21px;line-height:1.45;margin:15px 0 9px;font-weight:800;color:var(--blue-dark)}
.case-card p{font-size:14px;color:var(--muted);margin-bottom:14px;max-width:610px}
.case-result{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:14px;margin-top:auto}
.case-result div{font-size:12px;color:var(--muted)}
.case-result strong{display:block;font-size:15px;color:var(--blue-dark)}
.mini-cases{display:grid;gap:18px}
.mini-case{display:flex;flex-direction:column;justify-content:space-between}
.arrow-link{display:inline-flex;gap:6px;align-items:center;color:var(--blue);font-weight:750;font-size:13px}
.arrow-link span{transition:transform .2s}
.arrow-link:hover span{transform:translateX(4px)}
.metrics-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
.metrics-panel,.path-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.metric-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.metric-top h3{margin:0;font-size:20px;font-weight:800}
.metric-legend{font-size:12px;color:var(--teal);font-weight:700}
.chart{height:180px;display:flex;align-items:flex-end;gap:13px;border-bottom:1px solid var(--line);padding:14px 6px 0}
.bar{flex:1;position:relative;background:#cfe2ec;border-radius:8px 8px 0 0;min-width:20px}
.bar:after{content:attr(data-label);position:absolute;bottom:-26px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);white-space:nowrap}
.bar.active{background:var(--blue)}
.metric-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:35px}
.metric-note{padding:12px;background:var(--blue-pale);border-radius:10px;font-size:12px;color:var(--muted)}
.metric-note strong{display:block;font-size:17px;color:var(--blue-dark);margin-bottom:2px}
.path-list{display:grid;gap:0;margin-top:12px}
.path-item{display:grid;grid-template-columns:34px 1fr;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
.path-item:last-child{border-bottom:0}
.path-no{width:28px;height:28px;border-radius:9px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:12px}
.path-item h4{margin:0 0 3px;font-size:14px;font-weight:800}
.path-item p{margin:0;font-size:13px;color:var(--muted);line-height:1.65}
.compare-wrap{background:#fff}
.feature-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.feature-stack{display:grid;gap:18px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:0 5px 18px rgba(23,52,74,.05);transition:.22s ease}
.feature-card.wide{background:var(--blue-pale);min-height:236px}
.feature-card .num{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.08em}
.feature-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.feature-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.feature-list li{font-size:13px;color:var(--blue-dark);padding-left:20px;position:relative}
.feature-list li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.info-section{background:var(--blue-pale)}
.info-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.article-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.article-item{display:grid;grid-template-columns:92px 1fr auto;gap:17px;align-items:center;padding:16px 19px;border-bottom:1px solid var(--line);transition:.2s}
.article-item:last-child{border-bottom:0}
.thumb{height:63px;border-radius:10px;background:linear-gradient(135deg,#d9ebf4,#f5fafc);display:grid;place-items:center;border:1px solid #cfe0e9}
.thumb svg{width:29px;height:29px;stroke:var(--blue);fill:none;stroke-width:1.5}
.article-copy h3{font-size:15px;margin:0 0 3px}
.article-copy p{font-size:12px;margin:0;color:var(--muted);line-height:1.6}
.article-meta{font-size:11px;color:#8095a2;white-space:nowrap}
.info-aside{display:grid;gap:16px}
.notice-card,.tag-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 5px 18px rgba(23,52,74,.05)}
.notice-card h3,.tag-card h3{font-size:18px;margin:0 0 10px;font-weight:800}
.notice-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;padding:5px 9px;border-radius:999px;background:var(--blue-pale);color:var(--blue);font-weight:700;border:1px solid #dceaf0}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 5px 18px rgba(23,52,74,.05);transition:.22s;display:flex;flex-direction:column}
.plan.highlight{border:2px solid var(--blue);position:relative}
.plan h3{font-size:20px;margin:13px 0 6px;font-weight:800}
.plan p{font-size:13px;color:var(--muted);min-height:44px;margin-bottom:16px}
.plan-price{font-size:23px;font-weight:800;color:var(--blue-dark);margin-bottom:16px}
.plan-price small{font-size:12px;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:0 0 23px;display:grid;gap:9px;font-size:13px;color:var(--muted)}
.plan li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:8px}
.plan .btn{margin-top:auto}
.cta-band{margin-top:28px;background:var(--blue-soft);border:1px solid #d3e5ee;border-radius:var(--radius);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-band h3{font-size:22px;margin:0 0 4px;font-weight:800}
.cta-band p{margin:0;color:var(--muted);font-size:14px}
.faq-wrap{max-width:900px}
.accordion{background:transparent;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:12px!important;overflow:hidden;margin-bottom:10px;background:#fff}
.accordion-title{border:0!important;color:var(--blue-dark)!important;padding:17px 50px 17px 19px!important;font-size:15px;font-weight:750;line-height:1.5}
.accordion-title:before{font-size:24px!important;font-weight:400;color:var(--blue);right:18px!important;margin-top:-17px!important}
.accordion-content{border:0!important;background:var(--blue-pale);padding:0 20px 18px!important;color:var(--muted);font-size:14px;line-height:1.85}
.index-strip{padding:18px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.index-strip-inner{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.index-strip strong{font-size:13px;color:var(--blue-dark)}
.site-footer{background:#f1f6f8;padding:56px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:35px;padding-bottom:37px}
.footer-brand p{font-size:13px;color:var(--muted);max-width:310px;margin:13px 0 0}
.footer-col h4{font-size:14px;margin:0 0 13px;font-weight:800}
.footer-col a{display:block;color:var(--muted);font-size:13px;margin:7px 0;transition:.2s}
.footer-col a:hover{color:var(--blue);padding-left:3px}
.footer-bottom{border-top:1px solid #d5e1e7;padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7e939f;font-size:12px}
.footer-bottom a{color:var(--muted)}
@media(max-width:1024px){
  .desktop-nav{gap:0}.search-box{width:145px}.hero-grid,.metrics-grid,.feature-layout,.info-grid{grid-template-columns:1fr}
  .hero-grid{gap:37px}.data-board{max-width:620px}.plans{grid-template-columns:repeat(2,1fr)}.plan:last-child{grid-column:span 2}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 40px),var(--max))}
  .site-header{height:64px}.desktop-nav,.nav-actions{display:none}.mobile-tools{display:flex}
  .hero{padding:57px 0 60px}h1{font-size:35px}.hero-copy{font-size:15px}
  .section{padding:64px 0}.section-head{display:block;margin-bottom:26px}.section-intro{margin-top:10px}
  h2{font-size:27px}.case-grid,.feature-layout{grid-template-columns:1fr}.mini-cases{grid-template-columns:1fr 1fr}
  .plans{grid-template-columns:1fr}.plan:last-child{grid-column:auto}.cta-band{padding:24px;align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.footer-brand{grid-column:span 2}
}
@media(max-width:520px){
  .container{width:min(calc(100% - 32px),var(--max))}.brand{font-size:13px}.brand-mark{width:29px;height:29px}
  h1{font-size:31px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}
  .hero-points{gap:12px}.point{width:calc(50% - 8px)}.data-board{padding:12px}.rank-row{grid-template-columns:25px 1fr auto}
  .section{padding:54px 0}.case-card{padding:20px}.mini-cases{grid-template-columns:1fr}
  .metric-notes{grid-template-columns:1fr 1fr}.metrics-panel,.path-panel{padding:20px}
  .article-item{grid-template-columns:66px 1fr;padding:14px}.article-meta{display:none}.thumb{height:54px}
  .plans{gap:14px}.plan{padding:22px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
  .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
 --blue:#236c9f;--blue-dark:#17344a;--blue-soft:#eaf3f8;--blue-pale:#f3f8fb;
 --ink:#17344a;--muted:#637b8b;--line:#dce7ed;--white:#fff;--bg:#f8fafb;
 --teal:#2e8c87;--shadow:0 10px 28px rgba(23,52,74,.08);
 --shadow-hover:0 18px 38px rgba(23,52,74,.14);--radius:16px;
 --radius-sm:12px;--max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
button,input{outline:none}
.container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
.site-header{height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px);transition:box-shadow .22s ease,height .22s ease}
.site-header.scrolled{box-shadow:0 5px 18px rgba(23,52,74,.08)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;color:var(--blue-dark);letter-spacing:.01em}
.brand-mark{width:31px;height:31px;border:1.5px solid var(--blue);border-radius:10px;display:grid;place-items:center;color:var(--blue);background:var(--blue-pale)}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}
.desktop-nav{display:flex;align-items:center;gap:6px;margin:auto}
.desktop-nav a{font-size:14px;font-weight:650;color:var(--muted);padding:9px 13px;border-radius:9px;position:relative;transition:.2s ease}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue);background:var(--blue-soft)}
.desktop-nav a.active:after{content:"";position:absolute;width:24px;height:2px;border-radius:4px;background:var(--blue);bottom:2px;left:50%;transform:translateX(-50%)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search-box{height:40px;width:188px;border:1px solid var(--line);border-radius:999px;background:#fff;display:flex;align-items:center;padding:0 13px;gap:8px;transition:.2s}
.search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(35,108,159,.12)}
.search-box svg{width:17px;color:var(--muted);stroke:currentColor;fill:none;stroke-width:2}
.search-box input{border:0;outline:0;width:100%;padding:0;background:transparent;font-size:13px;color:var(--ink)}
.search-box input::placeholder{color:#91a4b0}
.btn{border:1px solid transparent;border-radius:10px;min-height:42px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;color:var(--blue-dark)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.filter-btn:focus-visible,.page-btn:focus-visible,.article-link:focus-visible,.side-links a:focus-visible{outline:3px solid rgba(35,108,159,.28);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 7px 15px rgba(35,108,159,.18)}
.btn-primary:hover{background:#185980;color:#fff}
.btn-secondary{background:#fff;border-color:#bbd1df;color:var(--blue)}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-pale);color:var(--blue)}
.mobile-tools{display:none;margin-left:auto;gap:8px}
.icon-button{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue-dark);display:grid;place-items:center;transition:.2s ease}
.icon-button:hover{background:var(--blue-pale);border-color:#b8d1df;color:var(--blue)}
.icon-button svg{width:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:18px 24px 22px}
.mobile-panel.open{display:block}
.mobile-links{display:grid;gap:5px;margin-bottom:14px}
.mobile-links a{padding:10px 12px;border-radius:9px;font-weight:700;color:var(--muted)}
.mobile-links a.active{background:var(--blue-soft);color:var(--blue)}
.mobile-panel .search-box{width:100%;margin-bottom:12px}
.mobile-panel .nav-actions{display:grid;grid-template-columns:1fr 1fr}

.breadcrumb{padding:19px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb ol{padding:0;margin:0;display:flex;align-items:center;flex-wrap:wrap;gap:8px;list-style:none}
.breadcrumb li+li:before{content:"/";color:#9aacb7;margin-right:8px}
.breadcrumb a{color:var(--blue);transition:color .2s}
.breadcrumb a:hover{text-decoration:underline;color:#185980}
.category-hero{padding:34px 0 56px}
.category-hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:42px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.1em}
.kicker:before{content:"";width:22px;height:2px;border-radius:4px;background:var(--teal)}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:42px;line-height:1.28;letter-spacing:-.035em;margin:13px 0 18px;color:var(--blue-dark)}
.hero-summary{max-width:665px;color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:20px}
.hero-notes{display:flex;flex-wrap:wrap;gap:9px}
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:750;background:var(--blue-soft);color:var(--blue)}
.badge.teal{background:#e7f5f3;color:#23736e}
.badge.gray{background:#eff3f5;color:#637b8b}
.index-stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.index-stat:before{content:"";position:absolute;width:170px;height:170px;border-radius:50%;right:-62px;top:-72px;background:var(--blue-pale)}
.stat-top,.stat-row{position:relative}
.stat-top{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:11px}
.stat-top strong{font-size:16px}
.stat-top span{font-size:12px;color:var(--teal);font-weight:800}
.stat-row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:8px 0;font-size:13px;border-bottom:1px solid #edf3f6}
.stat-row:last-child{border-bottom:0}
.stat-row span{color:var(--muted)}
.stat-row b{font-size:12px;color:var(--blue);font-weight:800}
.toolbar-wrap{padding-bottom:30px}
.filter-toolbar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 18px rgba(23,52,74,.05);padding:13px 15px;display:flex;align-items:center;gap:12px}
.filter-label{font-size:13px;font-weight:800;white-space:nowrap;color:var(--blue-dark)}
.filter-tabs{display:flex;align-items:center;gap:7px;flex:1;overflow:auto;padding:2px}
.filter-tabs::-webkit-scrollbar{height:0}
.filter-btn{border:0;background:#f2f6f8;color:var(--muted);border-radius:999px;white-space:nowrap;padding:7px 11px;font-size:12px;font-weight:700;transition:.2s}
.filter-btn:hover,.filter-btn.active{background:var(--blue-soft);color:var(--blue)}
.toolbar-search{width:218px;flex-shrink:0}
.result-count{font-size:12px;color:var(--muted);white-space:nowrap}
.content-section{padding:25px 0 94px}
.content-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(275px,4fr);gap:28px;align-items:start}
.list-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}
.list-head h2{font-size:26px;line-height:1.35;margin:0;color:var(--blue-dark)}
.list-head p{margin:0;font-size:13px;color:var(--muted)}
.featured-item,.article-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 18px rgba(23,52,74,.045);transition:.22s ease}
.featured-item:hover,.article-item:hover{transform:translateY(-4px);border-color:#b6cfdd;box-shadow:var(--shadow-hover)}
.featured-item{display:grid;grid-template-columns:240px 1fr;overflow:hidden;margin-bottom:17px}
.thumb{position:relative;overflow:hidden;background:var(--blue-pale);min-height:100%}
.thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(35,108,159,.05),rgba(23,52,74,.13))}
.thumb-art{position:absolute;inset:0;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#dcecf4,#f8fbfc)}
.thumb-art .mini-line{height:7px;width:74%;border-radius:999px;background:#92b9cf;opacity:.75}
.thumb-art .mini-line.short{width:48%;background:#5f96b6}
.thumb-art .thumb-panel{background:rgba(255,255,255,.82);border:1px solid #d0e1ea;border-radius:10px;padding:10px;display:grid;gap:7px}
.thumb-art .thumb-panel i{display:block;height:5px;border-radius:99px;background:#c0d9e6}
.thumb-art .thumb-panel i:nth-child(2){width:68%}
.thumb-art .thumb-panel i:nth-child(3){width:84%}
.article-body{padding:23px 24px}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:9px;font-size:12px;color:var(--muted)}
.article-body h3{font-size:21px;line-height:1.45;color:var(--blue-dark);margin:0 0 8px;letter-spacing:-.01em}
.article-body p{color:var(--muted);font-size:14px;line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-bottom{margin-top:16px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:#8296a4}
.article-link{color:var(--blue);font-weight:800;font-size:13px;white-space:nowrap;transition:.2s}
.article-link:hover{color:#185980;transform:translateX(3px)}
.article-list{display:grid;gap:15px}
.article-item{display:grid;grid-template-columns:155px 1fr;overflow:hidden;min-height:176px}
.article-item .thumb-art{padding:16px}
.article-item .article-body{padding:18px 20px}
.article-item .article-body h3{font-size:17px;margin-bottom:6px}
.article-item .article-body p{-webkit-line-clamp:2;font-size:13px}
.article-item .article-bottom{margin-top:10px}
.sidebar{display:grid;gap:15px;position:sticky;top:93px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:19px;box-shadow:0 6px 18px rgba(23,52,74,.04)}
.side-card h3{font-size:15px;margin:0 0 11px;color:var(--blue-dark)}
.side-card p{font-size:13px;line-height:1.75;color:var(--muted);margin-bottom:0}
.side-links{display:grid;gap:3px}
.side-links a{font-size:13px;color:var(--muted);padding:8px 9px;border-radius:8px;display:flex;justify-content:space-between;gap:12px;transition:.2s}
.side-links a:after{content:"›";font-size:17px;line-height:1.25;color:#a0b4bf}
.side-links a:hover,.side-links a.current{background:var(--blue-soft);color:var(--blue);font-weight:700}
.side-links a.current:after{color:var(--blue)}
.popular-list{list-style:none;margin:0;padding:0;counter-reset:item}
.popular-list li{counter-increment:item;border-bottom:1px solid #edf3f6;padding:10px 0 10px 29px;position:relative;color:var(--muted);font-size:13px;line-height:1.55}
.popular-list li:last-child{border-bottom:0;padding-bottom:0}
.popular-list li:before{content:counter(item,decimal-leading-zero);position:absolute;left:0;top:10px;font-size:10px;font-weight:800;color:var(--blue)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:7px}
.tag-cloud a{padding:5px 9px;border-radius:999px;background:#f1f6f8;color:#577487;font-size:11px;font-weight:700;transition:.2s}
.tag-cloud a:hover{color:var(--blue);background:var(--blue-soft)}
.pagination-area{padding-top:24px;text-align:center}
.pagination{display:inline-flex;align-items:center;gap:7px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 5px 15px rgba(23,52,74,.04)}
.page-btn{min-width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:13px;font-weight:750;transition:.2s}
.page-btn:hover,.page-btn.active{background:var(--blue-soft);color:var(--blue)}
.page-btn:disabled{opacity:.45;cursor:not-allowed}
.mobile-side-content{display:none}
.reading-note{background:var(--blue-soft);padding:72px 0}
.note-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
.note-grid h2{font-size:29px;line-height:1.4;margin:9px 0 10px;color:var(--blue-dark)}
.note-grid p{margin:0;color:var(--muted);font-size:15px}
.note-list{display:grid;gap:10px}
.note-item{background:#fff;border:1px solid #d6e6ee;border-radius:12px;padding:12px 15px;display:flex;gap:11px;align-items:flex-start;font-size:13px;color:#496777}
.note-item b{width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;background:#e7f5f3;color:var(--teal);font-size:12px}
.faq-section{padding:90px 0}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:58px}
.faq-copy h2{font-size:30px;line-height:1.4;margin:8px 0 12px;color:var(--blue-dark)}
.faq-copy p{font-size:15px;color:var(--muted);margin:0}
.accordion{background:transparent;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:12px!important;background:#fff;margin-bottom:10px;overflow:hidden;box-shadow:0 4px 12px rgba(23,52,74,.025)}
.accordion-title{border:0!important;color:var(--blue-dark)!important;padding:16px 49px 16px 18px!important;font-size:15px;font-weight:750;line-height:1.5;transition:.2s}
.accordion-title:hover,.accordion-title:focus{background:var(--blue-pale);color:var(--blue)!important}
.accordion-title:before{right:18px!important;font-size:21px!important;font-weight:400;color:var(--blue)}
.is-active>.accordion-title{background:var(--blue-soft);color:var(--blue)!important}
.accordion-content{border:0!important;background:#fff;color:var(--muted);font-size:14px;line-height:1.85;padding:2px 18px 18px!important}
.index-strip{padding:18px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-inner{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.strip-title{font-size:13px;font-weight:800;color:var(--blue-dark)}
.site-footer{background:#f1f7fa;border-top:1px solid var(--line);padding:54px 0 21px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand p{max-width:345px;color:var(--muted);font-size:13px;line-height:1.8;margin:14px 0 0}
.footer-col{display:grid;align-content:start;gap:8px}
.footer-col h4{font-size:14px;color:var(--blue-dark);margin:0 0 5px}
.footer-col a{font-size:13px;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--blue);text-decoration:underline}
.footer-bottom{border-top:1px solid #d7e4ea;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#718896;font-size:12px;flex-wrap:wrap}
.footer-bottom a{color:#587587}
.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1024px){
 .desktop-nav{margin-left:0}.nav-actions .search-box{display:none}
 .category-hero-grid{grid-template-columns:1fr .72fr;gap:25px}
 .content-grid{grid-template-columns:minmax(0,1fr) 285px;gap:20px}
 .sidebar{position:static}.faq-grid{gap:35px}
}
@media(max-width:768px){
 body{font-size:15px}.container{width:min(calc(100% - 40px),var(--max))}
 .site-header{height:66px}.nav-wrap{gap:12px}.brand{font-size:14px;max-width:250px}.brand-mark{width:29px;height:29px}
 .desktop-nav,.nav-wrap>.nav-actions{display:none}.mobile-tools{display:flex}
 .category-hero{padding:28px 0 40px}.category-hero-grid{grid-template-columns:1fr;gap:22px}h1{font-size:34px}
 .index-stat{max-width:500px}.filter-toolbar{align-items:stretch;flex-wrap:wrap}.filter-label{padding:6px 0}
 .filter-tabs{order:3;flex-basis:100%;max-width:100%}.toolbar-search{width:auto;flex:1}.result-count{padding:8px 0}
 .content-section{padding:18px 0 63px}.content-grid{display:block}.sidebar{display:none}.mobile-side-content{display:grid;gap:15px;margin-top:25px}
 .featured-item{grid-template-columns:190px 1fr}.article-item{grid-template-columns:140px 1fr}
 .note-grid,.faq-grid{grid-template-columns:1fr;gap:25px}.reading-note{padding:57px 0}.faq-section{padding:60px 0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 .container{width:min(calc(100% - 32px),var(--max))}.brand{max-width:205px;font-size:13px}.mobile-panel{padding:16px}
 h1{font-size:30px}.hero-summary{font-size:15px}.breadcrumb{padding-top:14px}
 .filter-toolbar{padding:12px}.toolbar-search{flex-basis:100%;width:100%}.result-count{display:none}
 .list-head{align-items:start;display:block}.list-head p{margin-top:5px}
 .featured-item,.article-item{grid-template-columns:1fr}.featured-item .thumb{min-height:165px}.article-item .thumb{min-height:125px}
 .article-body,.article-item .article-body{padding:17px}.article-body h3{font-size:18px}
 .article-bottom{align-items:flex-start;flex-direction:column;gap:5px}
 .pagination{width:100%;justify-content:center}.page-btn{flex:1}
 .note-grid h2,.faq-copy h2{font-size:25px}.footer-grid{grid-template-columns:1fr;gap:23px}.footer-brand{grid-column:auto}
 .footer-bottom{display:block}.footer-bottom span:last-child{display:block;margin-top:8px}
 .mobile-panel .nav-actions{grid-template-columns:1fr}.mobile-panel .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}