/* roulang page: index */
:root {
            --ink: #202329;
            --ink-soft: #555c68;
            --paper: #f5f3ef;
            --panel: #fffdf9;
            --panel-deep: #ece9e2;
            --line: #d9d6cf;
            --accent: #c6ef63;
            --accent-deep: #87a92b;
            --violet: #7562a8;
            --warm: #e57d59;
            --dark: #25272d;
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow: 0 16px 40px rgba(35, 37, 41, .08);
            --ease: 220ms ease;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background:
                linear-gradient(rgba(32,35,41,.035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(32,35,41,.035) 1px, transparent 1px),
                var(--paper);
            background-size: 32px 32px;
            font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
        }
        a { color: inherit; text-decoration: none; transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease); }
        a:hover { color: var(--violet); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font: inherit; }
        :focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }
        .container { max-width: 1220px; }
        .site-header {
            position: sticky; top: 0; z-index: 50;
            background: rgba(245,243,239,.92);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(14px);
        }
        .navbar { min-height: 76px; }
        .brand {
            display: inline-flex; align-items: center; gap: 10px;
            font-weight: 900; letter-spacing: -.04em; color: var(--ink);
            white-space: nowrap;
        }
        .brand-mark {
            width: 30px; height: 30px; display: grid; place-items: center;
            border-radius: 9px; color: var(--dark); background: var(--accent);
            box-shadow: 4px 4px 0 var(--dark);
        }
        .brand-text { font-size: 1.05rem; }
        .nav-link {
            color: var(--ink-soft) !important; font-weight: 700;
            padding: 8px 14px !important; border-radius: 10px; position: relative;
        }
        .nav-link:hover, .nav-link.active { color: var(--ink) !important; background: var(--panel-deep); }
        .nav-link.active::after {
            content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
            height: 3px; border-radius: 4px; background: var(--accent-deep);
        }
        .status { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: .85rem; }
        .status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-deep); box-shadow: 0 0 0 4px rgba(135,169,43,.15); }
        .icon-btn {
            width: 40px; height: 40px; display: grid; place-items: center;
            border: 1px solid var(--line); border-radius: 11px; background: var(--panel);
            color: var(--ink); transition: all var(--ease);
        }
        .icon-btn:hover { border-color: var(--violet); transform: translateY(-2px); }
        .btn-main, .btn-soft {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            min-height: 46px; padding: 0 20px; border-radius: 12px; font-weight: 800;
            border: 1px solid transparent; transition: all var(--ease);
        }
        .btn-main { color: var(--dark); background: var(--accent); border-color: var(--accent); }
        .btn-main:hover { color: var(--dark); background: #d8fa8b; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(135,169,43,.2); }
        .btn-soft { color: var(--ink); background: var(--panel); border-color: var(--line); }
        .btn-soft:hover { color: var(--violet); border-color: var(--violet); transform: translateY(-2px); }
        .hero { padding: 74px 0 42px; }
        .eyebrow, .mini-label {
            display: inline-flex; align-items: center; gap: 7px; color: var(--violet);
            font-size: .78rem; font-weight: 900; letter-spacing: .12em;
        }
        .eyebrow::before { content: ""; width: 22px; height: 3px; background: var(--warm); border-radius: 4px; }
        h1, h2, h3, p { margin-top: 0; }
        h1 { max-width: 720px; margin: 18px 0; font-size: clamp(2.5rem, 6vw, 5.2rem); line-height: 1.1; letter-spacing: -.075em; font-weight: 950; }
        h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.25; letter-spacing: -.05em; font-weight: 900; }
        h3 { font-size: 1.18rem; line-height: 1.4; font-weight: 850; }
        .hero-copy { max-width: 650px; color: var(--ink-soft); font-size: 1.08rem; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 27px 0 24px; }
        .hero-badges { display: flex; flex-wrap: wrap; gap: 9px; }
        .badge-soft, .tag {
            display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px;
            border-radius: 99px; font-size: .78rem; font-weight: 800; color: var(--ink-soft);
            background: var(--panel-deep); border: 1px solid var(--line);
        }
        .hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; }
        .hero-main, .hero-tile, .metric-board, .matrix-card, .compare-card, .form-wrap, .faq-side {
            background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow);
        }
        .hero-main { padding: clamp(24px, 5vw, 54px); min-height: 470px; display: flex; flex-direction: column; justify-content: center; }
        .hero-side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .hero-tile { padding: 24px; min-height: 225px; position: relative; overflow: hidden; }
        .hero-tile.large { grid-column: span 2; background: var(--dark); color: #fff; }
        .hero-tile.large p { color: #c7cad1; }
        .tile-number { font-size: 3rem; font-weight: 950; line-height: 1; color: var(--accent); margin: 16px 0; }
        .scanline { height: 5px; margin-top: 28px; background: linear-gradient(90deg, var(--accent) 0 68%, #4c5058 68%); border-radius: 9px; }
        .section { padding: 76px 0; }
        .section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
        .section-head p { max-width: 610px; color: var(--ink-soft); margin-bottom: 0; }
        .metric-board { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; }
        .metric { padding: 25px 26px; border-right: 1px solid var(--line); position: relative; }
        .metric:last-child { border-right: 0; }
        .metric strong { display: block; font-size: 2rem; line-height: 1.2; letter-spacing: -.06em; }
        .metric small { color: var(--ink-soft); }
        .metric::before { content: ""; display: block; width: 28px; height: 4px; background: var(--accent-deep); border-radius: 4px; margin-bottom: 18px; }
        .matrix { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; }
        .matrix-card { padding: 30px; }
        .matrix-main { min-height: 350px; background: var(--dark); color: #fff; }
        .matrix-main p { color: #c7cad1; }
        .matrix-main .tag { color: #e2e5dc; background: #363941; border-color: #50535d; }
        .matrix-side { display: grid; gap: 18px; }
        .matrix-side .matrix-card { min-height: 166px; }
        .matrix-list { list-style: none; padding: 0; margin: 22px 0 0; }
        .matrix-list li { display: flex; justify-content: space-between; gap: 12px; padding: 13px 0; border-bottom: 1px solid rgba(217,214,207,.18); }
        .matrix-list li:last-child { border-bottom: 0; }
        .arrow { color: var(--accent); font-size: 1.2rem; }
        .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
        .compare-card { padding: 30px; }
        .compare-card.before { background: #eeebe6; }
        .compare-card.after { border-color: var(--accent-deep); }
        .compare-title { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
        .check-list { list-style: none; padding: 0; margin: 0; }
        .check-list li { display: flex; gap: 10px; padding: 11px 0; border-bottom: 1px dashed var(--line); color: var(--ink-soft); }
        .check-list i { color: var(--accent-deep); }
        .before .check-list i { color: var(--warm); }
        .faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 24px; align-items: start; }
        .faq-side { padding: 30px; background: var(--dark); color: #fff; position: sticky; top: 100px; }
        .faq-side p { color: #c7cad1; }
        .accordion-item { background: var(--panel); border: 1px solid var(--line) !important; border-radius: 14px !important; overflow: hidden; margin-bottom: 10px; }
        .accordion-button { background: var(--panel) !important; color: var(--ink) !important; font-weight: 800; box-shadow: none !important; padding: 19px 22px; }
        .accordion-button:not(.collapsed) { color: var(--violet) !important; border-left: 4px solid var(--accent-deep); }
        .accordion-body { color: var(--ink-soft); padding: 0 22px 21px; }
        .form-wrap { display: grid; grid-template-columns: .8fr 1.2fr; overflow: hidden; }
        .form-intro { padding: 38px; background: var(--dark); color: #fff; }
        .form-intro p { color: #c7cad1; }
        .form-card { padding: 38px; }
        .form-label { font-size: .88rem; font-weight: 800; margin-bottom: 7px; }
        .form-control, .form-select { min-height: 48px; border: 1px solid var(--line); border-radius: 11px; background: #fff; color: var(--ink); }
        .form-control:focus, .form-select:focus { border-color: var(--accent-deep); box-shadow: 0 0 0 4px rgba(135,169,43,.14); }
        textarea.form-control { min-height: 118px; resize: vertical; }
        .notice { color: var(--ink-soft); font-size: .82rem; margin-top: 12px; }
        .site-footer { padding: 48px 0 25px; background: var(--dark); color: #fff; border-top: 5px solid var(--accent); }
        .site-footer p, .site-footer a, .footer-note { color: #bfc2c9; }
        .site-footer a:hover { color: var(--accent); }
        .footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 35px; }
        .footer-links { display: grid; gap: 8px; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #454851; margin-top: 35px; padding-top: 18px; font-size: .82rem; }
        .section-marker { color: var(--ink-soft); font-size: .78rem; font-weight: 900; letter-spacing: .12em; }
        @media (max-width: 991px) {
            .hero-grid, .matrix, .faq-layout, .form-wrap { grid-template-columns: 1fr; }
            .hero-side { grid-template-columns: 1fr 1fr; }
            .faq-side { position: static; }
        }
        @media (max-width: 767px) {
            .navbar { min-height: 68px; }
            .brand-text { font-size: .86rem; }
            .brand-mark { width: 27px; height: 27px; }
            .hero { padding-top: 38px; }
            .hero-main { min-height: auto; padding: 28px 22px; }
            .section { padding: 52px 0; }
            .section-head { display: block; }
            .section-head p { margin-top: 12px; }
            .metric-board { grid-template-columns: 1fr 1fr; }
            .metric { border-right: 0; border-bottom: 1px solid var(--line); }
            .metric:nth-child(odd) { border-right: 1px solid var(--line); }
            .metric:nth-last-child(-n+2) { border-bottom: 0; }
            .compare { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid > div:first-child { grid-column: span 2; }
        }
        @media (max-width: 575px) {
            h1 { font-size: 2.45rem; }
            .hero-side { grid-template-columns: 1fr; }
            .hero-tile.large { grid-column: auto; }
            .metric { padding: 20px 16px; }
            .metric strong { font-size: 1.65rem; }
            .matrix-card, .faq-side, .form-intro, .form-card { padding: 23px 19px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-grid > div:first-child { grid-column: auto; }
            .footer-bottom { display: block; }
            .footer-bottom span { display: block; margin-top: 8px; }
        }

/* roulang page: category1 */
:root{
 --ink:#202329;--ink-soft:#555c68;--paper:#f5f3ef;--panel:#fffdf9;--panel-deep:#ece9e2;
 --line:#d9d6cf;--accent:#c6ef63;--accent-deep:#87a92b;--violet:#7562a8;--warm:#e57d59;
 --dark:#25272d;--radius-lg:24px;--radius-md:16px;--shadow:0 16px 40px rgba(35,37,41,.08);--ease:220ms ease;
}
*,:before,:after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:linear-gradient(rgba(32,35,41,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(32,35,41,.035) 1px,transparent 1px),var(--paper);background-size:32px 32px;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--violet)}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
.container{max-width:1220px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,239,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.navbar{min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.04em;color:var(--ink);white-space:nowrap}
.brand-mark{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;color:var(--dark);background:var(--accent);box-shadow:4px 4px 0 var(--dark)}
.brand-text{font-size:1.05rem}
.nav-link{color:var(--ink-soft)!important;font-weight:700;padding:8px 14px!important;border-radius:10px;position:relative}
.nav-link:hover,.nav-link.active{color:var(--ink)!important;background:var(--panel-deep)}
.nav-link.active:after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:4px;background:var(--accent-deep)}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:11px;background:var(--panel);color:var(--ink);transition:all var(--ease)}
.icon-btn:hover{border-color:var(--violet);transform:translateY(-2px)}
.icon-btn:focus-visible,.btn-main:focus-visible,.btn-soft:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(117,98,168,.35);outline-offset:3px}
.navbar-toggler{border:1px solid var(--line)!important}
.btn-main,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;font-weight:800;border:1px solid transparent;transition:all var(--ease)}
.btn-main{color:var(--dark);background:var(--accent);border-color:var(--accent)}
.btn-main:hover{color:var(--dark);background:#d8fa8b;transform:translateY(-2px);box-shadow:0 8px 18px rgba(135,169,43,.2)}
.btn-soft{color:var(--ink);background:var(--panel);border-color:var(--line)}
.btn-soft:hover{color:var(--violet);border-color:var(--violet);transform:translateY(-2px)}
.crumbs{padding-top:34px;color:var(--ink-soft);font-size:.88rem}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.category-hero{padding:20px 0 58px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:stretch}
.hero-copy,.index-panel,.focus-card,.summary-list,.filter-box,.faq-side,.faq-items,.cta-band{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-copy{padding:clamp(28px,5vw,58px);border-radius:var(--radius-lg);min-height:410px;display:flex;flex-direction:column;justify-content:center}
.eyebrow,.mini-label{display:inline-flex;align-items:center;gap:7px;color:var(--violet);font-size:.78rem;font-weight:900;letter-spacing:.1em}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--warm);border-radius:4px}
h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
h1{font-size:clamp(2.25rem,5vw,4.35rem);margin:18px 0 16px;font-weight:950}
h2{font-size:clamp(1.65rem,3vw,2.35rem);margin:0 0 12px;font-weight:900}
h3{font-size:1.15rem;margin:0 0 8px;font-weight:850}
.lead{color:var(--ink-soft);font-size:1.08rem;max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
.hero-badges,.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.hero-badges{margin-top:24px}
.badge-soft,.tag{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:99px;font-size:.78rem;font-weight:800;color:var(--ink-soft);background:var(--panel-deep);border:1px solid var(--line)}
.index-panel{border-radius:var(--radius-lg);padding:26px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
.index-panel:after{content:"";position:absolute;width:180px;height:180px;right:-60px;bottom:-70px;border:1px solid rgba(198,239,99,.5);border-radius:50%}
.panel-top,.item-meta,.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px}
.panel-top{border-bottom:1px solid #444750;padding-bottom:17px}
.panel-top small{color:#c7cad1}
.status{display:inline-flex;align-items:center;gap:8px;color:var(--ink-soft);font-size:.82rem;font-weight:700}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-deep);box-shadow:0 0 0 4px rgba(198,239,99,.13)}
.panel-stat{margin:34px 0 24px}
.panel-stat strong{display:block;font-size:3.2rem;line-height:1;color:var(--accent)}
.panel-stat span,.index-panel p{color:#c7cad1}
.signal-list{list-style:none;margin:0;padding:0}
.signal-list li{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #444750;padding:13px 0;color:#e5e6e2}
.signal-list i{color:var(--accent)}
.section{padding:70px 0}
.section-head{align-items:end;margin-bottom:28px}
.section-head p{max-width:590px;color:var(--ink-soft);margin:0}
.content-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.focus-card{padding:32px;border-radius:var(--radius-lg);position:relative;overflow:hidden}
.focus-card:before{content:"重点条目";position:absolute;right:25px;top:24px;color:var(--violet);font-size:.75rem;font-weight:900;letter-spacing:.1em}
.focus-card p,.summary-item p,.faq-side p{color:var(--ink-soft)}
.focus-card .visual{height:145px;margin:24px 0;border-radius:15px;background:linear-gradient(135deg,#e9e5da 25%,transparent 25%) 0 0/22px 22px,var(--panel-deep);border:1px solid var(--line);position:relative}
.visual:after{content:"关键词 / 主题 / 说明";position:absolute;left:22px;bottom:20px;padding:8px 13px;color:var(--dark);background:var(--accent);border-radius:9px;font-weight:900;font-size:.86rem}
.summary-list{border-radius:var(--radius-lg);padding:10px 25px}
.summary-item{display:block;padding:21px 0;border-bottom:1px dashed var(--line)}
.summary-item:last-child{border-bottom:0}
.item-meta{font-size:.78rem;color:var(--ink-soft);margin-bottom:6px}
.item-meta .tag{padding:3px 8px;color:var(--violet);background:#f0edf8;border-color:#d9d1eb}
.filter-box{padding:22px;border-radius:var(--radius-md);margin-top:22px}
.filter-box select{width:100%;min-height:46px;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:var(--paper);color:var(--ink)}
.filter-box select:focus{border-color:var(--violet)}
.pager{display:flex;justify-content:center;gap:9px;margin-top:28px}
.page-dot{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--panel);font-weight:800}
.page-dot.active,.page-dot:hover{background:var(--accent);border-color:var(--accent-deep);color:var(--dark)}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:22px}
.faq-side,.faq-items{border-radius:var(--radius-lg);padding:30px}
.faq-side{background:var(--dark);color:#fff}
.faq-side p{color:#c7cad1}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)!important}
.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:850;padding:19px 4px}
.accordion-button:after{background-image:none;content:"+";font-size:1.35rem;color:var(--violet);width:auto;height:auto}
.accordion-button:not(.collapsed):after{content:"−"}
.accordion-body{padding:0 4px 19px;color:var(--ink-soft)}
.cta-band{border-radius:var(--radius-lg);padding:32px 38px;background:var(--violet);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-band p{color:#e8e4f2;margin:7px 0 0}
.cta-band .btn-main{flex-shrink:0}
.site-footer{padding:55px 0 20px;background:var(--dark);color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:45px}
.site-footer p{color:#c7cad1;max-width:430px}
.site-footer h3{font-size:1rem;margin-bottom:14px}
.footer-links{display:grid;gap:8px;color:#c7cad1}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:42px;padding-top:18px;border-top:1px solid #444750;color:#aeb2bb;font-size:.82rem}
@media(max-width:991px){.hero-grid,.content-layout,.faq-layout{grid-template-columns:1fr}.hero-copy{min-height:auto}.navbar-collapse{padding:15px 0}.navbar-nav{margin-left:0!important}.cta-band{align-items:flex-start;flex-direction:column}}
@media(max-width:767px){.section{padding:52px 0}.category-hero{padding-bottom:30px}.hero-copy{padding:28px 22px}.index-panel,.focus-card,.faq-side,.faq-items{padding:23px}.summary-list{padding:5px 19px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{flex-direction:column;margin-top:30px}}
@media(max-width:575px){body{font-size:15px}.brand-text{font-size:.92rem;max-width:220px;overflow:hidden;text-overflow:ellipsis}.hero-actions a{width:100%}h1{font-size:2.25rem}.section-head{display:block}.section-head p{margin-top:12px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.cta-band{padding:27px 22px}.panel-stat strong{font-size:2.7rem}}