/* roulang page: index */
:root{
      --bg:#071321;
      --bg-deep:#040c17;
      --panel:rgba(13,31,52,.78);
      --panel-soft:rgba(17,42,67,.56);
      --line:rgba(130,185,226,.19);
      --line-bright:rgba(89,205,255,.48);
      --text:#edf7ff;
      --muted:#9ab1c4;
      --faint:#668197;
      --cyan:#58d9ff;
      --blue:#478bff;
      --ice:#b5efff;
      --warn:#c5d6e4;
      --radius:22px;
      --shadow:0 20px 70px rgba(0,5,18,.42);
      --container:1200px;
      --ease:220ms ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.7;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(99,175,218,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(99,175,218,.07) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,black,transparent 70%)}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img,svg{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;padding:16px 0;background:rgba(4,13,25,.76);border-bottom:1px solid rgba(140,201,235,.12);backdrop-filter:blur(18px)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;font-size:18px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border:1px solid var(--line-bright);border-radius:11px;display:grid;place-items:center;background:rgba(62,150,220,.13);box-shadow:0 0 24px rgba(76,200,255,.15)}
    .brand-mark i{display:block;width:16px;height:8px;border-top:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:skewY(-22deg)}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{padding:9px 15px;color:var(--muted);border:1px solid transparent;border-radius:10px;font-size:14px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a:focus-visible{color:var(--text);border-color:var(--line);background:rgba(69,153,211,.1)}
    .nav-links a.active{color:var(--ice);background:rgba(69,160,226,.14);border-color:rgba(88,217,255,.26)}
    .menu-toggle{display:none;background:transparent;color:var(--text);border:1px solid var(--line);border-radius:10px;width:44px;height:42px}
    :focus-visible{outline:3px solid rgba(88,217,255,.7);outline-offset:3px}
    .hero{padding:86px 0 72px;position:relative}
    .hero:after{content:"";position:absolute;width:520px;height:300px;right:-180px;top:40px;background:rgba(58,154,255,.13);filter:blur(100px);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-size:12px;letter-spacing:.16em}
    .eyebrow:before,.section-kicker:before{content:"";width:25px;height:1px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,5.3vw,68px);line-height:1.12;letter-spacing:-.065em;margin:22px 0 24px;max-width:720px}
    .hero-copy{font-size:17px;color:var(--muted);max-width:650px;line-height:1.9}
    .actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0 28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid var(--line);transition:var(--ease);font-size:14px;font-weight:700}
    .btn-primary{background:linear-gradient(110deg,#3c9aff,#51d8ff);color:#041322;border-color:transparent;box-shadow:0 8px 28px rgba(49,173,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(49,195,255,.38)}
    .btn-primary:active{transform:translateY(1px);box-shadow:0 4px 17px rgba(49,173,255,.2)}
    .btn-ghost{background:rgba(20,48,76,.45);color:var(--ice)}
    .btn-ghost:hover{background:rgba(52,119,173,.25);border-color:var(--line-bright)}
    .hero-notes{display:flex;gap:24px;flex-wrap:wrap;color:var(--faint);font-size:13px}
    .hero-notes strong{display:block;color:var(--text);font-size:18px;line-height:1.2}
    .signal-panel{position:relative;padding:26px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(145deg,rgba(21,51,82,.88),rgba(7,20,37,.88));box-shadow:var(--shadow);overflow:hidden}
    .signal-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 12%,rgba(83,214,255,.2),transparent 34%)}
    .panel-top,.panel-row{position:relative;display:flex;align-items:center;justify-content:space-between;gap:15px}
    .panel-top{padding-bottom:22px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .status{display:inline-flex;align-items:center;gap:7px;color:var(--ice);font-size:12px}
    .status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 13px var(--cyan)}
    .wave{height:108px;display:flex;align-items:center;gap:4px;padding:20px 2px}
    .wave span{width:5px;border-radius:6px;background:linear-gradient(to top,var(--blue),var(--cyan));opacity:.8;height:var(--h);animation:pulse 2.8s ease-in-out infinite alternate}
    .wave span:nth-child(3n){animation-delay:.3s}.wave span:nth-child(4n){animation-delay:.7s}
    @keyframes pulse{to{opacity:.42;transform:scaleY(.62)}}
    .panel-row{padding:15px 0;border-top:1px solid rgba(130,185,226,.12)}
    .panel-row small{color:var(--faint)}.panel-row b{font-size:14px}
    .tag{display:inline-flex;padding:4px 9px;border-radius:7px;color:var(--ice);font-size:11px;background:rgba(72,175,225,.13);border:1px solid rgba(90,202,245,.2)}
    section{padding:86px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    h2{font-size:clamp(28px,3.3vw,43px);line-height:1.2;letter-spacing:-.045em;margin:13px 0 0}
    .section-intro{max-width:540px;color:var(--muted);font-size:15px;margin:0}
    .metrics{display:grid;grid-template-columns:1.25fr .9fr .9fr 1.1fr;gap:12px}
    .metric{padding:22px 20px;border:1px solid var(--line);border-radius:16px;background:var(--panel-soft);min-height:142px;position:relative;overflow:hidden}
    .metric:after{content:"";position:absolute;left:20px;right:20px;bottom:19px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
    .metric strong{display:block;font-size:31px;color:var(--text);letter-spacing:-.05em}.metric h3{font-size:14px;margin:2px 0 5px}.metric p{font-size:12px;color:var(--faint);margin:0}
    .matrix{display:grid;grid-template-columns:1.35fr .8fr;gap:16px}
    .matrix-main,.matrix-small{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:28px;transition:var(--ease)}
    .matrix-main:hover,.matrix-small:hover,.directory-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:0 16px 40px rgba(12,80,130,.2)}
    .matrix-main{min-height:285px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-side{display:grid;gap:16px}.matrix-small{min-height:134px}
    .number{color:var(--cyan);font-size:12px;letter-spacing:.15em}.matrix h3{font-size:23px;margin:14px 0 8px}.matrix p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .inline-link{color:var(--ice);font-size:13px;border-bottom:1px solid rgba(88,217,255,.45);padding-bottom:3px}
    .directory{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .directory-card{display:flex;gap:18px;padding:24px;border:1px solid var(--line);border-radius:18px;background:rgba(14,34,56,.55);transition:var(--ease)}
    .directory-card .index{font-size:25px;color:var(--cyan);font-weight:800;line-height:1}.directory-card h3{font-size:18px;margin:0 0 6px}.directory-card p{font-size:13px;color:var(--muted);margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
    .compare-box{padding:30px;background:rgba(11,28,48,.78)}.compare-box.highlight{background:linear-gradient(145deg,rgba(20,66,98,.9),rgba(11,33,56,.9))}
    .compare-box h3{font-size:19px;margin:0 0 20px}.compare-label{font-size:12px;color:var(--faint);letter-spacing:.12em}
    .compare ul,.faq-list{list-style:none;margin:0;padding:0}.compare li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.compare li:before{content:"—";color:var(--cyan);margin-right:10px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:22px 20px;border-left:2px solid var(--line-bright);background:rgba(10,27,46,.55);border-radius:0 15px 15px 0}.step b{font-size:28px;color:var(--cyan)}.step h3{font-size:16px;margin:10px 0 5px}.step p{font-size:13px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:18px}.news-list,.news-feature{border:1px solid var(--line);border-radius:20px;background:var(--panel-soft);padding:12px}
    .news-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px;border-bottom:1px solid var(--line);transition:var(--ease)}.news-item:last-child{border-bottom:0}.news-item:hover{background:rgba(70,145,201,.1);padding-left:23px}.news-item h3{font-size:15px;margin:4px 0}.news-item p{font-size:12px;color:var(--faint);margin:0}.news-feature{padding:28px}.news-feature h3{font-size:23px;margin:17px 0 10px}.news-feature p{font-size:14px;color:var(--muted)}
    .faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:50px}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list summary{cursor:pointer;list-style:none;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--cyan);font-size:21px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-list details p{color:var(--muted);font-size:14px;margin:13px 25px 0 0}
    .form-section{padding-top:35px}.cta-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;padding:42px;border:1px solid var(--line-bright);border-radius:25px;background:radial-gradient(circle at 10% 10%,rgba(63,153,223,.22),transparent 38%),rgba(9,27,47,.88);box-shadow:var(--shadow)}
    .cta-box h2{margin-bottom:16px}.cta-box>div>p{color:var(--muted);font-size:14px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;color:var(--ice)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:rgba(3,16,31,.7);color:var(--text);padding:12px 14px;min-height:46px;transition:var(--ease)}.field textarea{min-height:100px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#668197}.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(88,217,255,.38)}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(88,217,255,.12)}.form-foot{display:flex;align-items:center;gap:15px;margin-top:18px;flex-wrap:wrap}.privacy{font-size:11px;color:var(--faint)}
    .site-footer{padding:42px 0 25px;background:var(--bg-deep);border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding-bottom:35px}.footer-grid p{color:var(--faint);font-size:13px;max-width:310px}.footer-title{font-size:13px;color:var(--ice);margin-bottom:12px}.footer-links{display:grid;gap:8px;font-size:13px;color:var(--muted)}.footer-links a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);padding-top:20px;color:var(--faint);font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:992px){.hero-grid{gap:32px}.metrics{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.cta-box{gap:28px}}
    @media(max-width:768px){.container{width:min(100% - 40px,var(--container))}.site-header{padding:12px 0}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:20px;right:20px;padding:10px;flex-direction:column;align-items:stretch;background:rgba(6,21,37,.97);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:13px 15px}.hero{padding:62px 0 46px}.hero-grid,.matrix,.news-layout,.faq-layout,.cta-box{grid-template-columns:1fr}.signal-panel{order:2}section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:14px}.directory{grid-template-columns:1fr}.compare{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
    @media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:15px}.actions .btn{width:100%}.metrics{display:flex;overflow-x:auto;padding-bottom:8px}.metric{min-width:210px}.signal-panel{padding:20px}.steps{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.cta-box{padding:26px 20px}.footer-grid{grid-template-columns:1fr}.directory-card{padding:20px}.copyright{font-size:11px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --bg:#071321;--bg-deep:#040c17;--panel:rgba(13,31,52,.78);--panel-soft:rgba(17,42,67,.56);
 --line:rgba(130,185,226,.19);--line-bright:rgba(89,205,255,.48);--text:#edf7ff;
 --muted:#9ab1c4;--faint:#668197;--cyan:#58d9ff;--blue:#478bff;--ice:#b5efff;
 --warn:#c5d6e4;--radius:22px;--shadow:0 20px 70px rgba(0,5,18,.42);--ease:220ms ease;--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.7;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(99,175,218,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(99,175,218,.07) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,black,transparent 70%)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img,svg{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;padding:16px 0;background:rgba(4,13,25,.76);border-bottom:1px solid rgba(140,201,235,.12);backdrop-filter:blur(18px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;font-size:18px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border:1px solid var(--line-bright);border-radius:11px;display:grid;place-items:center;background:rgba(62,150,220,.13);box-shadow:0 0 24px rgba(76,200,255,.15)}
.brand-mark i{display:block;width:16px;height:8px;border-top:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:skewY(-22deg)}
.nav-links{display:flex;align-items:center;gap:7px}
.nav-links a{padding:9px 15px;color:var(--muted);border:1px solid transparent;border-radius:10px;font-size:14px;transition:var(--ease)}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text);border-color:var(--line);background:rgba(69,153,211,.1)}
.nav-links a.active{color:var(--ice);background:rgba(69,160,226,.14);border-color:rgba(88,217,255,.26)}
.menu-toggle{display:none;background:transparent;color:var(--text);border:1px solid var(--line);border-radius:10px;width:44px;height:42px}
.hero{padding:78px 0 62px;position:relative}
.hero:after{content:"";position:absolute;width:520px;height:300px;right:-180px;top:40px;background:rgba(58,154,255,.13);filter:blur(100px);pointer-events:none}
.breadcrumb{display:flex;gap:10px;color:var(--faint);font-size:13px;margin-bottom:30px}
.breadcrumb a:hover{color:var(--cyan)}
.page-head{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-size:12px;letter-spacing:.16em}
.eyebrow:before,.section-kicker:before{content:"";width:25px;height:1px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin:18px 0 22px}
h2{font-size:clamp(27px,3vw,39px);line-height:1.3;letter-spacing:-.04em;margin:10px 0}
h3{font-size:18px;line-height:1.45}
.lead{font-size:17px;color:var(--muted);max-width:680px;line-height:1.9}
.head-panel,.index-panel,.status-panel,.note-panel,.cta-panel{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow)}
.head-panel{padding:26px;position:relative;overflow:hidden}
.head-panel:before{content:"01";position:absolute;right:22px;top:7px;font-size:92px;line-height:1;color:rgba(88,217,255,.07);font-weight:800}
.panel-top,.panel-row{position:relative;display:flex;align-items:center;justify-content:space-between;gap:15px}
.panel-top{padding-bottom:18px}
.panel-top strong{font-size:14px}
.panel-row{padding:15px 0;border-top:1px solid rgba(130,185,226,.12)}
.panel-row small{color:var(--faint)}
.panel-row b{font-size:14px}
.tag,.status{display:inline-flex;padding:4px 9px;border-radius:7px;color:var(--ice);font-size:11px;background:rgba(72,175,225,.13);border:1px solid rgba(90,202,245,.2)}
.status.dim{color:var(--muted);background:rgba(113,143,165,.1);border-color:var(--line)}
.status.ready{color:#a8f3e8;background:rgba(49,190,175,.1);border-color:rgba(90,226,208,.25)}
.section{padding:76px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
.section-intro{max-width:560px;color:var(--muted);font-size:15px;margin:0}
.index-layout{display:grid;grid-template-columns:275px 1fr;gap:28px;align-items:start}
.index-panel{padding:24px;position:sticky;top:94px}
.index-panel h3{margin:0 0 17px}
.index-list{list-style:none;padding:0;margin:0}
.index-list li{border-top:1px solid var(--line)}
.index-list a{display:flex;justify-content:space-between;gap:12px;padding:14px 0;color:var(--muted);font-size:14px;transition:var(--ease)}
.index-list a:hover,.index-list a.active{color:var(--ice);padding-left:7px}
.index-list a.active{border-left:2px solid var(--cyan);padding-left:10px}
.index-list span{color:var(--faint);font-size:12px}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;padding:13px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(12,28,47,.55)}
.filter-label{font-size:13px;color:var(--muted)}
.filter-buttons{display:flex;gap:7px;flex-wrap:wrap}
.filter-button{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:8px;padding:7px 12px;font-size:12px;transition:var(--ease)}
.filter-button:hover,.filter-button:focus-visible,.filter-button.active{color:var(--ice);border-color:var(--line-bright);background:rgba(66,159,220,.14)}
.entries{display:grid;gap:12px}
.entry{display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center;padding:23px 24px;border:1px solid var(--line);border-radius:18px;background:var(--panel-soft);transition:var(--ease)}
.entry:hover{transform:translateX(5px);border-color:var(--line-bright);background:rgba(20,53,82,.72);box-shadow:0 14px 35px rgba(9,73,119,.18)}
.entry-number{font-size:25px;font-weight:800;color:var(--cyan);letter-spacing:-.05em}
.entry h3{margin:0 0 5px}
.entry p{color:var(--muted);font-size:13px;margin:0}
.entry-meta{text-align:right;white-space:nowrap}
.entry-meta small{display:block;color:var(--faint);font-size:11px;margin-top:6px}
.arrow{font-size:20px;color:var(--cyan);transition:var(--ease)}
.entry:hover .arrow{transform:translateX(4px)}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.note-panel{padding:28px;background:rgba(14,34,56,.58)}
.note-panel h3{margin-bottom:9px}
.note-panel p{color:var(--muted);font-size:14px;margin-bottom:0}
.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px}
.faq-list{list-style:none;margin:0;padding:0}
.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}
.faq-list summary{cursor:pointer;list-style:none;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";color:var(--cyan);font-size:21px;line-height:1}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{color:var(--muted);font-size:14px;margin:13px 25px 0 0}
.cta-panel{padding:35px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(110deg,rgba(17,54,86,.78),rgba(10,30,51,.82))}
.cta-panel p{color:var(--muted);max-width:630px;margin:9px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid var(--line);transition:var(--ease);font-size:14px;font-weight:700}
.btn-primary{background:linear-gradient(110deg,#3c9aff,#51d8ff);color:#041322;border-color:transparent;box-shadow:0 8px 28px rgba(49,173,255,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(49,195,255,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn:focus-visible,.filter-button:focus-visible,.nav-links a:focus-visible{outline:3px solid rgba(88,217,255,.5);outline-offset:3px}
.site-footer{padding:52px 0 24px;background:var(--bg-deep);border-top:1px solid rgba(130,185,226,.14)}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .9fr;gap:50px}
.site-footer p{color:var(--muted);font-size:13px;max-width:330px;margin:16px 0 0}
.footer-title{font-size:13px;color:var(--ice);margin-bottom:13px}
.footer-links{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:var(--faint);font-size:11px}
@media(max-width:900px){
 .page-head,.index-layout,.faq-layout{grid-template-columns:1fr}
 .index-panel{position:static}
 .head-panel{max-width:620px}
}
@media(max-width:700px){
 .container{width:min(var(--container),calc(100% - 40px))}
 .site-header{padding:12px 0}
 .nav-links{display:none;position:absolute;left:20px;right:20px;top:68px;flex-direction:column;align-items:stretch;padding:10px;background:rgba(5,17,31,.96);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
 .nav-links.open{display:flex}
 .nav-links a{min-height:44px;padding:10px 14px}
 .menu-toggle{display:block}
 .hero{padding:54px 0 38px}
 h1{font-size:40px}
 .lead{font-size:15px}
 .section{padding:58px 0}
 .section-head{display:block}
 .section-intro{margin-top:12px}
 .filter-bar{display:block}
 .filter-buttons{margin-top:12px}
 .entry{grid-template-columns:45px 1fr auto;gap:12px;padding:18px 15px}
 .entry-number{font-size:19px}
 .entry h3{font-size:16px}
 .entry-meta{font-size:12px}
 .notice-grid,.footer-grid{grid-template-columns:1fr}
 .cta-panel{display:block;padding:28px 23px}
 .cta-panel .btn{margin-top:22px;width:100%}
 .copyright{display:block}
 .copyright span{display:block;margin-top:7px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category2 */
:root{
 --bg:#071321;
 --bg-deep:#040c17;
 --panel:rgba(13,31,52,.78);
 --panel-soft:rgba(17,42,67,.56);
 --line:rgba(130,185,226,.19);
 --line-bright:rgba(89,205,255,.48);
 --text:#edf7ff;
 --muted:#9ab1c4;
 --faint:#668197;
 --cyan:#58d9ff;
 --blue:#478bff;
 --ice:#b5efff;
 --warn:#c5d6e4;
 --danger:#d0aeb4;
 --radius:22px;
 --shadow:0 20px 70px rgba(0,5,18,.42);
 --container:1200px;
 --ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:
 radial-gradient(circle at 82% 12%,rgba(52,135,220,.13),transparent 28rem),
 radial-gradient(circle at 10% 60%,rgba(34,104,163,.08),transparent 25rem),
 var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 line-height:1.7;
 overflow-x:hidden;
}
body:before{
 content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;
 background-image:linear-gradient(rgba(99,175,218,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(99,175,218,.07) 1px,transparent 1px);
 background-size:72px 72px;
 mask-image:linear-gradient(to bottom,black,transparent 76%);
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img,svg{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{
 position:sticky;top:0;z-index:20;padding:16px 0;
 background:rgba(4,13,25,.78);
 border-bottom:1px solid rgba(140,201,235,.12);
 backdrop-filter:blur(18px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;font-size:18px;white-space:nowrap}
.brand-mark{
 width:34px;height:34px;border:1px solid var(--line-bright);border-radius:11px;
 display:grid;place-items:center;background:rgba(62,150,220,.13);
 box-shadow:0 0 24px rgba(76,200,255,.15)
}
.brand-mark i{display:block;width:16px;height:8px;border-top:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:skewY(-22deg)}
.nav-links{display:flex;align-items:center;gap:7px}
.nav-links a{
 padding:9px 15px;color:var(--muted);border:1px solid transparent;border-radius:10px;
 font-size:14px;transition:var(--ease)
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text);border-color:var(--line);background:rgba(69,153,211,.1)}
.nav-links a.active{color:var(--ice);background:rgba(69,160,226,.14);border-color:rgba(88,217,255,.26)}
.menu-toggle{
 display:none;background:transparent;color:var(--text);border:1px solid var(--line);
 border-radius:10px;width:44px;height:42px
}
.menu-toggle:hover,.menu-toggle:focus-visible{border-color:var(--line-bright);background:rgba(67,154,211,.14)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,62px);line-height:1.14;letter-spacing:-.055em;margin-bottom:22px}
h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin-bottom:14px}
h3{font-size:18px;line-height:1.4;margin-bottom:8px}
.eyebrow,.section-kicker{
 display:inline-flex;align-items:center;gap:9px;color:var(--cyan);
 font-size:12px;letter-spacing:.16em
}
.eyebrow:before,.section-kicker:before{content:"";width:25px;height:1px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.page-hero{padding:78px 0 58px;position:relative}
.page-hero:after{
 content:"";position:absolute;width:500px;height:260px;right:-130px;top:30px;
 background:rgba(58,154,255,.12);filter:blur(100px);pointer-events:none
}
.hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
.lead{max-width:700px;color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:26px}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--faint);font-size:13px;margin-bottom:30px}
.breadcrumb a:hover{color:var(--ice)}
.breadcrumb span{color:var(--line-bright)}
.btn{
 display:inline-flex;align-items:center;justify-content:center;min-height:46px;
 padding:0 20px;border-radius:12px;border:1px solid var(--line);
 transition:var(--ease);font-size:14px;font-weight:700
}
.btn-primary{
 background:linear-gradient(110deg,#3c9aff,#51d8ff);color:#041322;border-color:transparent;
 box-shadow:0 8px 28px rgba(49,173,255,.24)
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(49,195,255,.38)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 17px rgba(49,173,255,.2)}
.btn-ghost{background:rgba(20,48,76,.45);color:var(--ice)}
.btn-ghost:hover{background:rgba(52,119,173,.25);border-color:var(--line-bright)}
.btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid rgba(88,217,255,.5);outline-offset:3px}
.status-board{
 border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
 box-shadow:var(--shadow);padding:24px;position:relative;overflow:hidden
}
.status-board:before{
 content:"";position:absolute;left:0;right:0;top:0;height:2px;
 background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.75
}
.board-head,.board-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.board-head{padding-bottom:18px;border-bottom:1px solid var(--line)}
.board-head strong{font-size:15px}
.board-head small,.board-row small{color:var(--faint);font-size:12px}
.board-row{padding:16px 0;border-bottom:1px solid rgba(130,185,226,.12)}
.board-row:last-child{border-bottom:0;padding-bottom:0}
.board-row b{font-size:14px}
.tag{
 display:inline-flex;padding:4px 9px;border-radius:7px;color:var(--ice);font-size:11px;
 background:rgba(72,175,225,.13);border:1px solid rgba(90,202,245,.2)
}
.signal-line{height:32px;display:flex;align-items:center;gap:4px;margin:20px 0}
.signal-line i{display:block;width:5px;border-radius:4px;background:var(--cyan);opacity:.65}
.signal-line i:nth-child(1){height:9px}.signal-line i:nth-child(2){height:18px}.signal-line i:nth-child(3){height:27px}.signal-line i:nth-child(4){height:15px}.signal-line i:nth-child(5){height:24px}.signal-line i:nth-child(6){height:11px}.signal-line i:nth-child(7){height:29px}.signal-line i:nth-child(8){height:17px}.signal-line i:nth-child(9){height:8px}.signal-line i:nth-child(10){height:22px}.signal-line i:nth-child(11){height:14px}.signal-line i:nth-child(12){height:26px}
section{padding:78px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
.section-intro{max-width:570px;color:var(--muted);font-size:15px;margin:0}
.guide-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
.guide-panel,.path-card,.tip-panel,.faq-box,.cta-panel{
 border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
 box-shadow:0 16px 50px rgba(0,5,18,.2)
}
.guide-panel{padding:30px}
.guide-panel h2{max-width:580px}
.guide-panel p{color:var(--muted);max-width:650px}
.path-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.path-step{
 min-height:150px;padding:18px;border:1px solid var(--line);border-radius:16px;
 background:rgba(16,42,68,.48);position:relative;transition:var(--ease)
}
.path-step:hover{transform:translateY(-3px);border-color:var(--line-bright);background:rgba(25,63,96,.55)}
.step-number{color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.1em}
.path-step h3{margin:20px 0 5px;font-size:16px}
.path-step p{font-size:13px!important;margin:0;color:var(--muted)}
.route-panel{padding:27px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,rgba(18,48,78,.8),rgba(9,24,42,.8))}
.route-panel .route-title{font-size:13px;color:var(--faint);letter-spacing:.1em}
.route-panel h3{font-size:24px;margin:16px 0 8px}
.route-panel p{color:var(--muted);font-size:14px}
.route-list{list-style:none;padding:0;margin:22px 0 0}
.route-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line);font-size:14px}
.route-list li:before{content:"";width:7px;height:7px;border-radius:50%;margin-top:8px;background:var(--cyan);box-shadow:0 0 12px var(--cyan);flex:none}
.compare-wide{
 display:grid;grid-template-columns:1fr 58px 1fr;gap:0;border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;background:var(--panel-soft)
}
.compare-side{padding:30px}
.compare-side:first-child{background:rgba(8,22,38,.52)}
.compare-side:last-child{background:rgba(29,81,116,.2)}
.compare-side h3{font-size:20px;margin:14px 0 16px}
.compare-side p{color:var(--muted);font-size:14px}
.compare-side ul{padding:0;margin:20px 0 0;list-style:none}
.compare-side li{padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.compare-side li strong{color:var(--text);font-weight:600}
.compare-divider{display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:12px;background:rgba(5,15,27,.65);border-left:1px solid var(--line);border-right:1px solid var(--line)}
.index-label{font-size:12px;color:var(--cyan);letter-spacing:.13em}
.dual-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.entry-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel-soft)}
.entry{
 display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;
 padding:22px 24px;border-bottom:1px solid var(--line);transition:var(--ease)
}
.entry:last-child{border-bottom:0}
.entry:hover{background:rgba(61,141,194,.11);padding-left:29px}
.entry-num{font-size:22px;color:var(--cyan);font-weight:800}
.entry h3{margin:0 0 5px;font-size:16px}
.entry p{margin:0;color:var(--muted);font-size:13px}
.entry a{color:var(--ice);font-size:13px;white-space:nowrap}
.entry a:hover{color:var(--cyan)}
.tip-panel{padding:25px;height:max-content}
.tip-panel h3{font-size:20px;margin-bottom:10px}
.tip-panel p{font-size:14px;color:var(--muted)}
.tip-list{padding:0;margin:20px 0 0;list-style:none}
.tip-list li{display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.tip-list b{color:var(--cyan)}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:52px}
.faq-box{padding:10px 26px}
.faq-box details{border-bottom:1px solid var(--line);padding:18px 0}
.faq-box details:last-child{border-bottom:0}
.faq-box summary{cursor:pointer;list-style:none;font-weight:700;display:flex;justify-content:space-between;gap:18px}
.faq-box summary::-webkit-details-marker{display:none}
.faq-box summary:after{content:"+";color:var(--cyan);font-size:21px;line-height:1}
.faq-box details[open] summary:after{content:"−"}
.faq-box details p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
.cta-panel{
 padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;
 background:linear-gradient(110deg,rgba(18,58,91,.82),rgba(11,29,50,.82));
 position:relative;overflow:hidden
}
.cta-panel:after{content:"";position:absolute;right:6%;width:220px;height:220px;border:1px solid rgba(88,217,255,.16);border-radius:50%;box-shadow:0 0 0 25px rgba(88,217,255,.04),0 0 0 50px rgba(88,217,255,.025)}
.cta-panel p{color:var(--muted);margin:0;max-width:650px}
.cta-panel .btn{position:relative;z-index:1;flex:none}
.site-footer{padding:58px 0 25px;background:var(--bg-deep);border-top:1px solid rgba(130,185,226,.14)}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .9fr;gap:50px}
.footer-grid p{color:var(--muted);font-size:13px;max-width:330px;margin:17px 0 0}
.footer-title{font-size:13px;color:var(--ice);font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-links span{color:var(--faint)}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:28px;margin-top:40px;border-top:1px solid var(--line);color:var(--faint);font-size:12px}
@media(max-width:992px){
 .hero-layout,.guide-grid{grid-template-columns:1fr;gap:30px}
 .dual-layout{grid-template-columns:1fr}
 .faq-layout{grid-template-columns:1fr;gap:25px}
 .path-list{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 40px))}
 .site-header{padding:12px 0}
 .nav-links{
  display:none;position:absolute;top:65px;left:20px;right:20px;padding:10px;
  flex-direction:column;align-items:stretch;background:rgba(5,18,32,.96);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:13px 15px}
 .menu-toggle{display:block}
 .page-hero{padding:58px 0 35px}
 h1{font-size:40px}
 section{padding:58px 0}
 .section-head{display:block}
 .section-intro{margin-top:12px}
 .compare-wide{grid-template-columns:1fr}
 .compare-divider{min-height:42px;border-left:0;border-right:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
 .path-list{grid-template-columns:1fr}
 .path-step{min-height:auto}
 .entry{grid-template-columns:42px 1fr;gap:12px}
 .entry a{grid-column:2}
 .cta-panel{display:block;padding:30px 25px}
 .cta-panel .btn{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-grid>div:first-child{grid-column:1/-1}
 .copyright{display:block}
 .copyright span{display:block;margin-top:7px}
}
@media(max-width:520px){
 .brand{font-size:15px}
 .brand-mark{width:31px;height:31px}
 .lead{font-size:15px}
 .status-board,.guide-panel,.route-panel,.tip-panel{padding:22px}
 .compare-side{padding:23px}
 .entry{padding:19px 17px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}