/* roulang page: index */
:root{
      --blue:#2563a8;--blue-dark:#174a82;--ink:#20344d;--muted:#718198;
      --paper:#fff;--mist:#f4f8fc;--line:#e2eaf3;--cyan:#dff4f5;--lav:#eeeafa;
      --coral:#e88978;--radius:18px;--shadow:0 12px 32px rgba(38,76,115,.09);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}
    .container{max-width:1160px}.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
    .navbar{min-height:76px}.brand{font-weight:800;color:var(--blue-dark);letter-spacing:-.04em;font-size:1.05rem;white-space:nowrap}.brand-mark{display:inline-grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--blue);color:#fff;margin-right:8px;font-size:.85rem}
    .nav-link{color:#62748c!important;font-size:.94rem;padding:.55rem .85rem!important;border-radius:10px}.nav-link:hover,.nav-link.active{color:var(--blue-dark)!important;background:#edf5fd}
    .nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:11px;background:#fbfdff;padding:0 10px;width:190px}.nav-search input{border:0;outline:0;background:transparent;width:100%;padding:8px 4px;font-size:.84rem}.search-icon{color:var(--blue);font-size:1rem}
    .btn-main,.btn-soft{border-radius:11px;padding:.7rem 1.15rem;border:1px solid transparent;font-weight:700;transition:.2s ease}.btn-main{background:var(--blue);color:#fff;box-shadow:0 7px 16px rgba(37,99,168,.18)}.btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}.btn-soft{background:#fff;color:var(--blue-dark);border-color:#bcd0e5}.btn-soft:hover{background:#edf5fd;color:var(--blue-dark);transform:translateY(-2px)}.btn-main:focus,.btn-soft:focus,input:focus{outline:3px solid rgba(37,99,168,.2);outline-offset:2px}
    .hero{padding:76px 0 62px;background:#fff;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.eyebrow,.badge-soft{display:inline-flex;align-items:center;color:var(--blue-dark);background:#e8f2fc;border-radius:30px;padding:.3rem .75rem;font-size:.78rem;font-weight:700}.hero h1{font-size:clamp(2.2rem,5vw,4rem);line-height:1.2;letter-spacing:-.06em;margin:18px 0;color:#193b63}.hero p{font-size:1.08rem;color:var(--muted);max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0}.hero-note{display:flex;gap:24px;color:var(--muted);font-size:.82rem}.hero-note strong{display:block;color:var(--blue-dark);font-size:1.1rem}
    .hero-board{background:#f2f7fc;border:1px solid #dce8f4;border-radius:24px;padding:20px;box-shadow:var(--shadow);transform:rotate(1.5deg)}.board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:.84rem;color:var(--muted)}.board-title{font-weight:800;color:var(--ink)}.content-preview{display:grid;grid-template-columns:1.2fr .8fr;gap:12px}.preview-main,.preview-small{border-radius:15px;min-height:150px;padding:16px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.preview-main{background:linear-gradient(135deg,#b9d8f1,#e7f4f4)}.preview-small{background:linear-gradient(135deg,#dcd7f3,#f7e5df);min-height:72px}.preview-small:last-child{background:linear-gradient(135deg,#cfe9e4,#e5edf8)}.preview-main:before,.preview-small:before{content:"";position:absolute;width:90px;height:90px;border-radius:50%;background:rgba(255,255,255,.55);top:20px;right:22px}.preview-label{position:relative;font-size:.76rem;color:#355a7c}.preview-text{position:relative;font-weight:800;font-size:1.04rem}.preview-stack{display:grid;gap:12px}.board-footer{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.tag{display:inline-block;padding:.25rem .65rem;border-radius:8px;background:var(--cyan);color:#357276;font-size:.76rem}.tag.lav{background:var(--lav);color:#665c93}.section{padding:82px 0}.section-head{max-width:660px;margin-bottom:32px}.section-kicker{font-size:.78rem;color:var(--blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section h2{font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.3;margin:8px 0 13px;letter-spacing:-.04em}.section-head p{color:var(--muted);margin:0}
    .pain-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:26px;align-items:stretch}.pain-lead{background:var(--blue);color:#fff;border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:space-between}.pain-lead p{color:#dbeafa}.pain-list{display:grid;gap:12px}.pain-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 23px;display:grid;grid-template-columns:48px 1fr auto;gap:15px;align-items:center;transition:.2s}.pain-item:hover,.info-card:hover,.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.number{width:38px;height:38px;border-radius:12px;background:#edf5fd;color:var(--blue);display:grid;place-items:center;font-weight:800}.pain-item h3{font-size:1rem;margin:0 0 3px}.pain-item p{margin:0;color:var(--muted);font-size:.86rem}.status{font-size:.74rem;color:#72869c;white-space:nowrap}
    .path-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}.path-feature,.info-card,.stat-panel,.quote,.cta{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 22px rgba(38,76,115,.05)}.path-feature{padding:28px}.path-feature h3{margin-top:20px}.path-feature p,.info-card p{color:var(--muted);font-size:.9rem}.path-side{display:grid;gap:20px}.info-card{padding:23px}.info-card h3{font-size:1.05rem;margin:10px 0 4px}.mini-line{height:5px;border-radius:5px;background:#e7eef6;margin-top:15px}.mini-line span{display:block;height:100%;width:72%;background:var(--blue);border-radius:5px}.quick-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
    .result-section{background:#edf5fb}.result-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}.stat-panel{padding:28px}.stat-number{font-size:3rem;font-weight:800;color:var(--blue-dark);line-height:1}.stat-caption{color:var(--muted);font-size:.88rem;margin-top:8px}.metric{padding:17px 0;border-bottom:1px solid var(--line)}.metric:last-child{border:0}.metric-row{display:flex;justify-content:space-between;font-size:.88rem}.bar{height:7px;background:#eaf0f6;border-radius:7px;margin-top:9px}.bar i{display:block;height:100%;background:#75b9bf;border-radius:7px}.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:11px 23px}.rank{display:flex;align-items:center;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}.rank:last-child{border:0}.rank-no{font-size:1.3rem;color:#9bb0c5;font-weight:800;width:28px}.rank h3{font-size:1rem;margin:0}.rank small{color:var(--muted)}
    .quotes{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.quote{padding:27px}.quote.primary{background:#f0f7fd;border-color:#cfe1f0}.quote p{font-size:1.08rem;color:#405671}.profile{display:flex;gap:11px;align-items:center;margin-top:20px}.avatar{width:38px;height:38px;border-radius:50%;background:#c7dced;color:var(--blue-dark);display:grid;place-items:center;font-weight:800}.profile small{color:var(--muted)}.quote-stack{display:grid;gap:22px}
    .faq-list{max-width:850px}.accordion-item{border:1px solid var(--line)!important;border-radius:13px!important;margin-bottom:11px;overflow:hidden;background:#fff}.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:19px 22px}.accordion-button:not(.collapsed){color:var(--blue-dark);background:#f3f8fd}.accordion-body{color:var(--muted);padding:0 22px 20px;font-size:.92rem}
    .cta{padding:42px 48px;background:#e8f3fc;border-color:#c9deef;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 8px}.cta p{margin:0;color:var(--muted)}.site-footer{margin-top:82px;background:#fff;border-top:1px solid var(--line);padding:42px 0 25px}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-links{display:flex;gap:22px;color:var(--muted);font-size:.88rem}.footer-links a:hover{color:var(--blue)}.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:#8a9aac;font-size:.78rem}
    @media(max-width:991px){.nav-search{width:100%;margin:10px 0}.hero-grid,.pain-wrap,.path-grid,.result-grid,.quotes{grid-template-columns:1fr}.hero-board{transform:none}.navbar-nav{padding-top:12px}.navbar .btn-main{margin:8px 0}.content-preview{max-width:600px}}
    @media(max-width:767px){.hero{padding:52px 0 42px}.section{padding:58px 0}.hero h1{font-size:2.35rem}.hero-note{gap:15px}.pain-item{grid-template-columns:40px 1fr}.status{grid-column:2}.cta{padding:30px 24px;display:block}.cta .btn-main{width:100%;margin-top:22px}.footer-grid{display:block}.footer-links{flex-wrap:wrap;margin-top:20px}}
    @media(max-width:575px){.container{padding-left:20px;padding-right:20px}.hero-actions .btn-main,.hero-actions .btn-soft{width:100%;text-align:center}.content-preview{grid-template-columns:1fr}.preview-stack{grid-template-columns:1fr 1fr}.preview-small{min-height:90px}.hero-note{flex-wrap:wrap}.path-feature,.info-card,.stat-panel,.quote{padding:22px}}

/* roulang page: category1 */
:root{--blue:#2563a8;--blue-dark:#174a82;--ink:#20344d;--muted:#718198;--paper:#fff;--mist:#f4f8fc;--line:#e2eaf3;--cyan:#dff4f5;--lav:#eeeafa;--coral:#e88978;--radius:18px;--shadow:0 12px 32px rgba(38,76,115,.09)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{text-decoration:none;color:inherit} img{max-width:100%;display:block} button,input,select{font:inherit}
    .container{max-width:1160px}
    .site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
    .navbar{min-height:76px}.brand{font-weight:800;color:var(--blue-dark);letter-spacing:-.04em;font-size:1.05rem;white-space:nowrap}
    .brand-mark{display:inline-grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--blue);color:#fff;margin-right:8px;font-size:.85rem}
    .nav-link{color:#62748c!important;font-size:.94rem;padding:.55rem .85rem!important;border-radius:10px}
    .nav-link:hover,.nav-link.active{color:var(--blue-dark)!important;background:#edf5fd}
    .nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:11px;background:#fbfdff;padding:0 10px;width:190px}
    .nav-search input{border:0;outline:0;background:transparent;width:100%;padding:8px 4px;font-size:.84rem}
    .search-icon{color:var(--blue);font-size:1rem}.btn-main,.btn-soft{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:.7rem 1.15rem;border:1px solid transparent;font-weight:700;transition:.2s ease}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 7px 16px rgba(37,99,168,.18)}.btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .btn-soft{background:#fff;color:var(--blue-dark);border-color:#bcd0e5}.btn-soft:hover{background:#edf5fd;color:var(--blue-dark);transform:translateY(-2px)}
    .btn-main:focus,.btn-soft:focus,input:focus,select:focus{outline:3px solid rgba(37,99,168,.2);outline-offset:2px}
    .channel-hero{padding:70px 0 42px;background:#fff}.eyebrow,.badge-soft{display:inline-flex;align-items:center;color:var(--blue-dark);background:#e8f2fc;border-radius:30px;padding:.3rem .75rem;font-size:.78rem;font-weight:700}
    h1{font-size:clamp(2.15rem,4vw,3.45rem);line-height:1.22;letter-spacing:-.055em;color:#193b63;margin:16px 0}
    .lead-copy{max-width:760px;color:var(--muted);font-size:1.06rem}
    .channel-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.tag{display:inline-block;padding:.25rem .65rem;border-radius:8px;background:var(--cyan);color:#357276;font-size:.76rem}.tag.lav{background:var(--lav);color:#665c93}
    .filter-wrap{margin-top:34px;padding:18px;background:#f2f7fc;border:1px solid #dce8f4;border-radius:16px;box-shadow:var(--shadow)}
    .filter-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:10px}.field{border:1px solid #d8e3ef;background:#fff;border-radius:10px;padding:.72rem .85rem;color:var(--ink);min-width:0}
    .content-section{padding:60px 0}.section-kicker{font-size:.78rem;color:var(--blue);font-weight:800;letter-spacing:.08em}.section-title{font-size:2rem;letter-spacing:-.04em;margin:7px 0 28px}
    .browse-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.65fr);gap:24px;align-items:start}
    .feature-card,.topic-card,.side-card,.notice-card,.faq-list .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 22px rgba(38,76,115,.05)}
    .feature-card{padding:28px;min-height:265px;position:relative;overflow:hidden}.feature-card:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;background:#e8f3fc;right:-58px;top:-62px;z-index:0}
    .feature-card>*{position:relative;z-index:1}.feature-card h2{font-size:1.65rem;margin:18px 0 8px}.feature-card p,.topic-card p,.side-card p,.notice-card p{color:var(--muted);font-size:.92rem}
    .topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:18px}.topic-card{padding:22px;transition:.2s}.topic-card:hover,.feature-card:hover,.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .topic-card h3{font-size:1.08rem;margin:12px 0 5px}.topic-card .card-foot{display:flex;justify-content:space-between;align-items:center;color:#8b9aac;font-size:.78rem;margin-top:19px}
    .arrow{color:var(--blue);font-weight:800}.side-stack{display:grid;gap:18px}.side-card{padding:22px}.side-card h3{font-size:1.05rem;margin:0 0 15px}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud a{background:#f0f5fa;color:#55708e;border-radius:8px;padding:.3rem .6rem;font-size:.8rem;transition:.2s}.tag-cloud a:hover{background:#dcecf9;color:var(--blue-dark)}
    .notice-card{padding:20px;background:#eef7f8;border-color:#d3eaeb}.notice-card strong{color:#357276}.notice-card p{margin:7px 0 0}
    .faq-area{background:#edf5fb;padding:58px 0}.faq-list{max-width:820px}.accordion-item{overflow:hidden;margin-bottom:11px}.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px 21px}.accordion-button:not(.collapsed){color:var(--blue-dark);background:#f3f8fd}.accordion-body{color:var(--muted);padding:0 21px 19px;font-size:.92rem}
    .cta{margin-top:58px;padding:38px 44px;background:#e8f3fc;border:1px solid #c9deef;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 8px;font-size:1.7rem}.cta p{margin:0;color:var(--muted)}
    .site-footer{margin-top:0;background:#fff;border-top:1px solid var(--line);padding:42px 0 25px}.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:center}.footer-links{display:flex;gap:22px;color:var(--muted);font-size:.88rem}.footer-links a:hover{color:var(--blue)}.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:#8a9aac;font-size:.78rem}
    @media(max-width:992px){.nav-search{width:100%;margin:10px 0}.navbar-nav{padding-top:12px}.navbar .btn-main,.navbar .btn-soft{margin:8px 0}.browse-layout{grid-template-columns:1fr}}
    @media(max-width:768px){.channel-hero{padding:50px 0 30px}.content-section{padding:48px 0}.filter-grid{grid-template-columns:1fr 1fr}.filter-grid .keyword{grid-column:1/-1}.cta{padding:30px 24px;display:block}.cta .btn-main{margin-top:20px;width:100%}.footer-grid{display:grid;gap:18px}}
    @media(max-width:576px){h1{font-size:2.25rem}.filter-grid,.topic-grid{grid-template-columns:1fr}.filter-grid .keyword{grid-column:auto}.filter-grid .btn-soft{width:100%}.footer-links{flex-wrap:wrap;gap:12px 18px}.brand{font-size:.94rem}}