/* roulang page: index */
:root{--ink:#edf3ff;--muted:#91a1bd;--bg:#07101f;--panel:#0d1a2e;--line:#203453;--cyan:#36d6e7;--violet:#806cff;--orange:#ffb454;--radius:22px;--shadow:0 20px 60px #0005}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%}.container{max-width:1180px}.site-header{position:sticky;top:0;z-index:20;background:#07101feF;border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.navbar{min-height:78px}.brand{font-weight:800;letter-spacing:-.04em;font-size:1.15rem}.brand i{display:inline-block;width:10px;height:10px;background:var(--cyan);border-radius:50%;margin-right:9px;box-shadow:0 0 18px var(--cyan)}.nav-link{color:var(--muted)!important;margin-left:22px;font-size:.94rem}.nav-link:hover,.nav-link.active{color:var(--ink)!important}.nav-cta,.btn-main{background:var(--cyan);color:#04121e;border:0;border-radius:12px;font-weight:800;padding:12px 20px;transition:.25s}.nav-cta:hover,.btn-main:hover{transform:translateY(-3px);background:#8af3f4;box-shadow:0 12px 28px #36d6e744}.hero{padding:92px 0 64px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:580px;height:580px;right:-180px;top:-220px;background:radial-gradient(circle,#3152ad55,transparent 68%);pointer-events:none}.eyebrow,.tag{color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.hero h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:1.08;letter-spacing:-.07em;max-width:760px;margin:18px 0}.hero p{max-width:680px;color:var(--muted);font-size:1.08rem}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn-ghost{border:1px solid var(--line);border-radius:12px;padding:11px 20px;color:var(--ink)}.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}.signal{margin-top:62px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.signal div{padding:22px 18px;border-right:1px solid var(--line)}.signal div:last-child{border:0}.signal strong{display:block;font-size:1.8rem;color:var(--ink)}.signal span{color:var(--muted);font-size:.86rem}.section{padding:82px 0}.section.alt{background:#0a1628}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}.section h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.2;letter-spacing:-.04em;margin:8px 0}.section-head p{color:var(--muted);max-width:560px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:#42618d;box-shadow:var(--shadow)}.card h3{font-size:1.2rem;margin:16px 0 8px}.card p,.list p{color:var(--muted);font-size:.94rem}.number{font-size:2.5rem;color:var(--cyan);font-weight:900}.icon{font-size:1.8rem}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.dark-board{background:#050b15;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.match{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.match:last-child{border:0}.match small{display:block;color:var(--muted)}.score{color:var(--orange);font-weight:800}.rank{display:grid;grid-template-columns:50px 1fr 90px;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.rank b{color:var(--orange);font-size:1.2rem}.progress{height:6px;background:#17263d}.progress-bar{background:var(--cyan)}.quote{font-size:1.25rem;line-height:1.6}.partner-row{display:flex;flex-wrap:wrap;gap:12px}.partner{border:1px solid var(--line);border-radius:12px;padding:15px 22px;color:var(--muted)}.trust{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted)}.trust span:before{content:'✓';color:var(--cyan);font-weight:900;margin-right:8px}.final{background:linear-gradient(110deg,#10264a,#14234a);border:1px solid #31518b;border-radius:28px;padding:52px}.footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.footer a:hover{color:var(--cyan)}:focus-visible{outline:3px solid var(--orange);outline-offset:3px}@media(max-width:768px){.nav-link{margin-left:0}.hero{padding-top:62px}.signal{grid-template-columns:repeat(2,1fr)}.signal div:nth-child(2){border-right:0}.grid,.split{grid-template-columns:1fr}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:15px}.final{padding:32px 22px}}@media(max-width:520px){.hero h1{font-size:2.8rem}.signal div{padding:16px 10px}.signal strong{font-size:1.4rem}.navbar-brand{font-size:.95rem}.nav-cta{padding:9px 12px}}

/* roulang page: category1 */
:root{--ink:#edf3ff;--muted:#91a1bd;--bg:#07101f;--panel:#0d1a2e;--line:#203453;--cyan:#36d6e7;--violet:#806cff;--orange:#ffb454;--radius:22px;--shadow:0 20px 60px #0005}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:color .2s}
img,svg{max-width:100%;height:auto}
button,input,select{font:inherit}
button,a,input,select{touch-action:manipulation}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}
::selection{background:var(--cyan);color:var(--bg)}
.container{max-width:1180px}
.site-header{position:sticky;top:0;z-index:20;background:#07101fef;border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.navbar{min-height:78px}
.brand{font-weight:800;letter-spacing:-.04em;font-size:1.15rem;color:var(--ink)}
.brand i{display:inline-block;width:10px;height:10px;background:var(--cyan);border-radius:50%;margin-right:9px;box-shadow:0 0 18px var(--cyan)}
.nav-link{color:var(--muted)!important;margin-left:22px;font-size:.94rem}
.nav-link:hover,.nav-link.active{color:var(--ink)!important}
.nav-link.active{box-shadow:inset 0 -2px var(--cyan)}
.nav-cta,.btn-main{display:inline-flex;align-items:center;justify-content:center;background:var(--cyan);color:#04121e;border:0;border-radius:12px;font-weight:800;padding:12px 20px;transition:.25s}
.nav-cta:hover,.btn-main:hover{transform:translateY(-3px);background:#8af3f4;color:#04121e;box-shadow:0 12px 28px #36d6e744}
.btn-main:active,.nav-cta:active,.btn-ghost:active{transform:translateY(1px)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:11px 20px;color:var(--ink);transition:.2s}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero{padding:62px 0 64px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:580px;height:580px;right:-180px;top:-220px;background:radial-gradient(circle,#3152ad55,transparent 68%);pointer-events:none}
.eyebrow,.tag{color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.14em}
.hero h1{font-size:clamp(2.3rem,4.7vw,4rem);line-height:1.2;letter-spacing:-.05em;margin:18px 0 24px}
.hero p{max-width:680px;color:var(--muted);font-size:1.05rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.section{padding:72px 0;border-top:1px solid #20345380}
.section.alt{background:#0a1628}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.section h2{font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.3;letter-spacing:-.04em;margin:8px 0 18px}
.section-head p{color:var(--muted);max-width:500px;margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{height:100%;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.card:hover{transform:translateY(-5px);border-color:#42618d;box-shadow:var(--shadow)}
.card h3{font-size:1.2rem;margin:16px 0 8px}
.card p,.list p{color:var(--muted);font-size:.94rem}
.partner-row{display:flex;flex-wrap:wrap;gap:12px}
.footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.footer a:hover{color:var(--cyan)}
.page-progress{padding:17px 0;border-bottom:1px solid var(--line);background:#0a1628}
.progress-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.progress-links a{display:flex;align-items:center;gap:12px;font-size:.88rem;color:var(--muted)}
.progress-links b{font-size:.75rem;color:var(--cyan);border-bottom:2px solid var(--cyan);padding:2px 5px}
.progress-links a:hover{color:var(--ink)}
.breadcrumb-line{color:var(--muted);font-size:.84rem;margin-bottom:27px;display:flex;gap:12px}
.breadcrumb-line a:hover{color:var(--cyan)}
.hero-layout{display:grid;grid-template-columns:1.12fr 1fr;gap:58px;align-items:center;position:relative}
.hero h1 em{font-style:normal;color:var(--cyan)}
.report-panel{display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.report-cover{min-height:325px;background:#142746;padding:27px 22px;position:relative;border-right:1px solid #416087;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.report-cover:after{content:"";position:absolute;width:200px;height:200px;right:-100px;bottom:-110px;border:30px solid var(--cyan);border-radius:50%;opacity:.5}
.cover-brand{font-size:.8rem;color:var(--cyan);font-weight:800}
.report-cover strong{font-size:1.8rem;line-height:1.5;display:block;letter-spacing:-.04em}
.report-cover small{color:#b3c5e2;font-size:.75rem}
.cover-bars{display:flex;align-items:end;gap:8px;height:54px;margin:20px 0}
.cover-bars i{width:21px;background:var(--cyan);height:35%}
.cover-bars i:nth-child(2){height:65%;background:var(--violet)}
.cover-bars i:nth-child(3){height:85%}
.cover-bars i:nth-child(4){height:100%;background:var(--orange)}
.report-toc{padding:28px 22px}
.report-toc h2{font-size:1rem;margin:0 0 22px}
.report-toc ol{list-style:none;padding:0;margin:0;counter-reset:toc}
.report-toc li{counter-increment:toc;font-size:.85rem;padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.report-toc li:before{content:"0" counter(toc);color:var(--cyan);margin-right:10px;font-variant-numeric:tabular-nums}
.report-toc p{font-size:.75rem;margin-top:22px}
.badge-soft{display:inline-flex;border:1px solid var(--line);border-radius:7px;padding:4px 10px;color:var(--muted);font-size:.76rem}
.note{font-size:.82rem!important;color:var(--muted)}
.feature-number{font-size:2rem;font-weight:800;line-height:1;color:var(--cyan)}
.check-list{list-style:none;padding:0;margin:20px 0 0}
.check-list li{position:relative;padding:10px 0 10px 21px;border-top:1px solid var(--line);font-size:.87rem;color:var(--muted)}
.check-list li:before{content:"";width:5px;height:5px;background:var(--cyan);position:absolute;left:0;top:21px;border-radius:50%}
.method-list{list-style:none;margin:0;padding:0}
.method-list li{display:grid;grid-template-columns:44px 1fr;gap:20px;padding:21px 0;border-bottom:1px solid var(--line)}
.method-list li:first-child{padding-top:0}
.method-list b{width:40px;height:40px;border-radius:12px;background:#36d6e710;color:var(--cyan);display:grid;place-items:center}
.method-list h3{font-size:1.1rem;margin:0 0 7px}
.method-list p{color:var(--muted);margin:0;font-size:.94rem}
.aside-note{border-left:3px solid var(--violet);padding:16px 22px;background:#806cff0a;color:var(--muted);margin-top:26px}
.evidence{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.evidence-row{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;padding:23px 28px;border-bottom:1px solid var(--line)}
.evidence-row:last-child{border-bottom:0}
.evidence-row p{color:var(--muted);font-size:.92rem;margin:0}
.evidence-row .result{color:#b8eded}
.evidence-label{background:var(--panel);font-size:.8rem;color:var(--muted)}
.perspective{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;height:100%}
.perspective h3{font-size:1.2rem;line-height:1.7;margin:18px 0 12px}
.perspective p{font-size:.92rem;color:var(--muted);margin:0}
.audience-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 36px}
.audience-item{padding:23px 0;border-bottom:1px solid var(--line);display:flex;gap:20px}
.audience-item span{color:var(--violet);font-weight:800;font-size:1.6rem}
.audience-item h3{font-size:1.1rem;margin:0 0 9px}
.audience-item p{color:var(--muted);margin:0;font-size:.93rem}
.article-list article{display:grid;grid-template-columns:150px 1fr;gap:24px;border-bottom:1px solid var(--line);padding:28px 0;scroll-margin-top:105px}
.article-list article:first-child{padding-top:0}
.article-list h3{font-size:1.24rem;margin:0 0 12px}
.article-list p{color:var(--muted);margin:0;font-size:.96rem}
.article-type{font-size:.8rem;color:var(--cyan)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.metric{padding:29px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{font-size:2.8rem;line-height:1.2;color:var(--cyan);display:block;font-variant-numeric:tabular-nums}
.metric h3{font-size:1rem;margin:16px 0 10px}
.metric p{font-size:.85rem;color:var(--muted);margin:0}
.final{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:42px;box-shadow:var(--shadow)}
.form-label{font-size:.9rem;margin-bottom:8px;color:var(--ink)}
.form-select{background-color:var(--bg);border:1px solid var(--line);color:var(--ink);border-radius:12px;padding:13px 38px 13px 15px}
.form-select:focus{border-color:var(--cyan);box-shadow:0 0 0 .2rem #36d6e722}
.download-status{font-size:.86rem;color:var(--cyan);min-height:26px;margin:12px 0 0}
@media(min-width:769px){.section-head{display:flex}.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:1024px){.hero-layout{gap:28px;grid-template-columns:1fr 1fr}.report-panel{grid-template-columns:1fr}.report-cover{min-height:220px;border-right:0;border-bottom:1px solid var(--line)}.report-toc{padding:20px}.report-toc ol{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.report-toc h2{margin-bottom:7px}.report-toc p{margin-bottom:0}.nav-link{margin-left:8px}.metric{padding:24px 19px}}
@media(max-width:768px){.nav-link{margin-left:0}.navbar-collapse{padding:14px 0 20px}.nav-link.active{box-shadow:none;color:var(--cyan)!important}.hero{padding-top:38px}.hero-layout{grid-template-columns:1fr;gap:32px}.hero h1{font-size:2.8rem}.report-panel{grid-template-columns:1fr 1fr}.report-cover{border-bottom:0;border-right:1px solid var(--line)}.report-toc ol{display:block}.grid{grid-template-columns:1fr}.section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:15px}.progress-links{gap:12px}.progress-links a{font-size:.78rem;gap:6px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.final{padding:30px 24px}.evidence-row{padding:20px;gap:15px}.audience-list{grid-template-columns:1fr}.article-list article{grid-template-columns:105px 1fr;gap:18px}}
@media(max-width:520px){.container{padding-left:20px;padding-right:20px}.hero h1{font-size:2.3rem}.navbar-brand{font-size:.95rem}.nav-cta{padding:9px 12px}.progress-links{grid-template-columns:repeat(2,1fr);gap:12px 20px}.report-cover{padding:23px 16px}.report-cover strong{font-size:1.5rem}.report-toc{padding:23px 15px}.report-toc li{font-size:.78rem}.evidence-label{display:none}.evidence-row{grid-template-columns:1fr;gap:9px}.evidence-row .result:before{content:"核对重点：";color:var(--cyan)}.article-list article{grid-template-columns:1fr;gap:9px}.hero-actions>*{flex:1;text-align:center;white-space:nowrap;font-size:.9rem}.metric strong{font-size:2.2rem}.section h2{font-size:1.75rem}.footer .brand{font-size:1.1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}