/* roulang page: index */
:root{
  --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
  --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
  --warm:#f3a34b;--danger:#c66b4c;--radius:18px;--shadow:0 14px 36px rgba(29,60,115,.09);
  --shadow-sm:0 7px 20px rgba(29,60,115,.07);--side:258px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--blue)}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid rgba(36,87,214,.35);outline-offset:3px}
.shell{min-height:100vh}
.sidebar{position:fixed;z-index:20;top:0;left:0;width:var(--side);height:100vh;padding:28px 18px 20px;background:rgba(255,255,255,.96);border-right:1px solid var(--line);box-shadow:8px 0 28px rgba(22,47,90,.04);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
.nav-label{padding:9px 12px 6px;color:#99a5b7;font-size:11px;letter-spacing:.12em}
.nav-list{list-style:none}
.nav-list a{display:flex;align-items:center;gap:11px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:14px}
.nav-list a:hover{background:#f0f4fb;color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
.nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
.nav-list a.active .nav-icon{color:var(--blue)}
.side-note{margin-top:auto;padding:15px 13px;border:1px solid var(--line);border-radius:15px;background:#f8faff;color:var(--muted);font-size:12px;line-height:1.65}
.side-note strong{display:block;color:var(--ink);font-size:13px;margin-bottom:3px}
.content{margin-left:var(--side);min-width:0}
.mobile-bar{display:none}
.container{width:min(1190px,calc(100% - 64px));margin:auto}
section{padding:82px 0}
.hero{position:relative;min-height:650px;padding:78px 0 55px;overflow:hidden;background:#eef4ff url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,255,.98) 0%,rgba(246,249,255,.9) 46%,rgba(246,249,255,.42) 100%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;margin-bottom:19px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
h1{max-width:720px;font-size:clamp(40px,5vw,64px);line-height:1.2;letter-spacing:-.04em;margin-bottom:22px}
.hero-copy{max-width:625px;color:#53627a;font-size:17px;line-height:1.95}
.actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-text{padding-left:4px;color:var(--blue);min-height:46px}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;color:#627087;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:7px}.hero-points b{color:var(--blue);font-size:17px}
.hero-panel{padding:23px;background:rgba(255,255,255,.92);border:1px solid rgba(214,225,242,.9);border-radius:22px;box-shadow:var(--shadow);backdrop-filter:blur(5px)}
.panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid var(--line)}
.panel-title{font-weight:800;font-size:17px}.status{font-size:11px;color:var(--cyan);background:#e4f7f4;padding:3px 9px;border-radius:20px}
.match{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;border-bottom:1px solid #edf1f6}
.match:last-child{border:0}.match small{display:block;color:#8a96a8;font-size:11px}.match strong{font-size:14px}.score{font-weight:800;font-size:19px;color:var(--blue-dark)}
.panel-foot{padding-top:15px;color:var(--muted);font-size:12px}
.trustbar{padding:15px 20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);border-radius:14px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.trustbar b{color:var(--ink)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.025em}
.section-head p{max-width:570px;color:var(--muted)}
.kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:7px}
.feature-zone{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.feature-main{min-height:330px;padding:31px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}
.feature-main:after{content:"";position:absolute;right:-70px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:#edf3ff}
.feature-main h3{position:relative;z-index:1;max-width:540px;font-size:28px;line-height:1.4}
.feature-main p{position:relative;z-index:1;max-width:550px;color:var(--muted);margin-top:13px}
.feature-main .btn{position:relative;z-index:1;align-self:flex-start;margin-top:20px}
.mini-stack{display:grid;gap:20px}.mini-card{padding:24px;background:#f0f5ff;border-radius:var(--radius);border:1px solid #dce7fb}.mini-card:nth-child(2){background:#eef9f7;border-color:#d8eeea}.mini-card h3{font-size:18px;margin:10px 0 6px}.mini-card p{color:var(--muted);font-size:13px}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700}.badge.green{background:#dff4ee;color:#187d71}.badge.orange{background:#fff0dc;color:#a65d18}
.deep{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.deep-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
.deep-image{height:430px;border-radius:20px;object-fit:cover;width:100%;box-shadow:var(--shadow)}
.deep-copy h2{font-size:31px;line-height:1.35;margin:8px 0 17px}.deep-copy p{color:var(--muted);margin-bottom:16px}
.check-list{list-style:none;margin-top:22px}.check-list li{display:flex;gap:11px;padding:10px 0;border-bottom:1px solid #edf1f5}.check-list li:before{content:"✓";color:var(--cyan);font-weight:800}
.data-section{background:#edf3ff}.data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}.data-intro{padding:32px;background:var(--blue);color:#fff;border-radius:20px;box-shadow:var(--shadow)}.data-intro h2{font-size:30px;line-height:1.4;margin:8px 0 15px}.data-intro p{color:#dbe6ff}.data-intro .btn{margin-top:24px;background:#fff;color:var(--blue-dark)}.data-list{background:#fff;border-radius:20px;border:1px solid var(--line);overflow:hidden}.data-row{display:grid;grid-template-columns:1.25fr .7fr .7fr;gap:16px;align-items:center;padding:19px 24px;border-bottom:1px solid var(--line)}.data-row:last-child{border:0}.data-row small{display:block;color:#8793a5}.data-row strong{font-size:15px}.trend{height:7px;border-radius:10px;background:#e7edf7;overflow:hidden}.trend i{display:block;height:100%;background:var(--cyan);border-radius:10px}.note{font-size:12px;color:var(--muted)}
.scenes{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px}.scene-nav{position:sticky;top:25px;height:max-content}.scene-nav h2{font-size:30px;line-height:1.4;margin:8px 0 15px}.scene-nav p{color:var(--muted)}.scene-tabs{list-style:none;margin-top:24px}.scene-tabs li{padding:13px 15px;border-left:2px solid var(--line);color:var(--muted)}.scene-tabs li:first-child{border-color:var(--blue);color:var(--blue);font-weight:700}.scene-body{display:grid;gap:17px}.scene-card{display:grid;grid-template-columns:100px 1fr;gap:22px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}.scene-card .number{font-size:39px;line-height:1;color:#dce6fb;font-weight:800}.scene-card h3{font-size:19px;margin-bottom:7px}.scene-card p{color:var(--muted);font-size:14px}
.observation{background:#fff}.observation-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.record-card{padding:27px;background:#f8faff;border:1px solid var(--line);border-radius:18px}.record-card h3{font-size:21px;margin-bottom:10px}.record-card p{color:var(--muted)}.record-meta{display:flex;gap:9px;flex-wrap:wrap;margin:17px 0}
.resources{background:#f7f9fc}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.resource-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm)}.resource-card img{width:100%;height:135px;object-fit:cover}.resource-card article{padding:19px}.resource-card h3{font-size:17px;line-height:1.5}.resource-card p{font-size:13px;color:var(--muted);margin:7px 0 13px}.resource-card a{font-size:13px;color:var(--blue);font-weight:700}
.news{background:#fff}.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:28px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.news-date{color:#8793a5;font-size:12px}.news-item h3{font-size:17px}.news-item p{font-size:13px;color:var(--muted);margin-top:3px}.news-item .btn{min-height:34px;padding:0 12px;font-size:12px}.news-feature{padding:28px;border-radius:18px;background:#eef4ff}.news-feature h3{font-size:22px;line-height:1.5;margin:12px 0}.news-feature p{color:var(--muted);font-size:14px}.faq-section{background:#f4f7fb}.faq-wrap{max-width:860px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin:10px 0;overflow:hidden}.faq-item summary{cursor:pointer;list-style:none;padding:17px 20px;font-weight:700}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--blue);font-size:20px}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px}
.cta{padding:58px 0}.cta-box{padding:38px 45px;border-radius:22px;background:var(--blue-dark);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow)}.cta-box h2{font-size:29px;line-height:1.4}.cta-box p{color:#dce6ff;margin-top:7px}.cta-box .btn{background:#fff;color:var(--blue-dark);white-space:nowrap}.footer{padding:48px 0 27px;background:#17243b;color:#b6c4db}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:35px;padding-bottom:32px}.footer h3{color:#fff;font-size:16px;margin-bottom:13px}.footer p,.footer a{font-size:13px;color:#aebdd3}.footer a{display:block;margin:5px 0}.footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}.footer-bottom a{display:inline-block;margin-left:18px}
@media(max-width:1024px){:root{--side:225px}.container{width:min(100% - 42px,900px)}.hero-grid,.deep-grid,.data-layout,.scenes,.news-layout{grid-template-columns:1fr}.hero{min-height:auto}.hero-panel{max-width:650px}.scene-nav{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.sidebar{display:none}.content{margin:0}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;height:66px;padding:0 20px;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(30,60,110,.06)}.mobile-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--blue-dark)}.mobile-brand .brand-mark{width:31px;height:31px;font-size:14px;border-radius:9px}.menu-btn{width:40px;height:40px;background:var(--blue-soft);color:var(--blue);border-radius:9px;font-size:20px}.container{width:calc(100% - 34px)}section{padding:58px 0}.hero{padding:56px 0 32px}.hero-grid{gap:32px}h1{font-size:39px}.hero-copy{font-size:15px}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:10px}.feature-zone,.observation-grid{grid-template-columns:1fr}.resource-grid{grid-template-columns:1fr 1fr}.data-row{grid-template-columns:1.2fr .7fr;}.data-row .trend{grid-column:1/-1}.cta-box{display:block;padding:31px 25px}.cta-box .btn{margin-top:20px}.news-item{grid-template-columns:70px 1fr}.news-item .btn{grid-column:2;justify-self:start}.footer-grid{gap:25px}.deep-image{height:300px}}
@media(max-width:520px){h1{font-size:32px}.hero-points{gap:10px;display:grid}.resource-grid,.footer-grid{grid-template-columns:1fr}.hero-panel{padding:17px}.match{padding:13px 0}.feature-main{padding:24px}.feature-main h3{font-size:23px}.scene-card{grid-template-columns:58px 1fr;gap:13px;padding:19px}.scene-card .number{font-size:30px}.data-row{padding:16px}.news-item{gap:10px}.footer-bottom{display:block}.footer-bottom a{margin:8px 14px 0 0}}
@media print{.sidebar,.mobile-bar,.actions,.cta{display:none}.content{margin:0}section{padding:25px 0}.hero{background:#fff}}

.drawer{display:none}
@media(max-width:768px){
.drawer{position:fixed;inset:0;z-index:50;background:rgba(18,34,63,.35);opacity:0;pointer-events:none;transition:.2s}
.drawer.open{display:block;opacity:1;pointer-events:auto}
.drawer-inner{width:min(310px,84%);height:100%;padding:26px 22px;background:#fff;box-shadow:12px 0 35px rgba(10,30,70,.2)}
.drawer-inner button{display:block;margin-left:auto;width:34px;height:34px;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-size:24px}
.drawer-inner a{display:block;padding:12px 5px;border-bottom:1px solid var(--line);font-weight:700;color:var(--ink)}
}

/* roulang page: category3 */
:root{
      --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
      --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
      --warm:#f3a34b;--danger:#c66b4c;--radius:18px;
      --shadow:0 14px 36px rgba(29,60,115,.09);--shadow-sm:0 7px 20px rgba(29,60,115,.07);
      --side:225px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--blue)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1190px,calc(100% - 64px));margin:auto}
    .shell{min-height:100vh}
    .sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--side);padding:29px 17px 20px;background:#fff;border-right:1px solid var(--line);box-shadow:5px 0 22px rgba(29,60,115,.04);display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
    .brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
    .nav-list{list-style:none;margin:0;padding:0}
    .nav-list a{display:flex;align-items:center;gap:11px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:14px}
    .nav-list a:hover{background:#f0f4fb;color:var(--blue)}
    .nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
    .nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
    .nav-list a.active .nav-icon{color:var(--blue)}
    .side-note{margin-top:auto;padding:15px 13px;border-radius:14px;background:#f4f7fc;color:var(--muted);font-size:12px}
    .side-note b{display:block;color:var(--blue-dark);margin-bottom:4px}
    .main{margin-left:var(--side)}
    .mobile-bar{display:none}
    .hero{position:relative;overflow:hidden;padding:72px 0 54px;background:#edf3ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,255,.98),rgba(246,249,255,.84) 58%,rgba(246,249,255,.48))}
    .hero .container{position:relative;z-index:1}
    .hero-layout{display:grid;grid-template-columns:1fr 390px;gap:55px;align-items:center}
    .profile-line{display:flex;align-items:center;gap:13px;margin-bottom:20px}
    .avatar{width:48px;height:48px;border-radius:15px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:21px;box-shadow:0 8px 18px rgba(36,87,214,.2)}
    .profile-line strong{display:block;color:var(--blue-dark)}
    .profile-line span{display:block;color:var(--muted);font-size:12px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;margin-bottom:14px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:52px;line-height:1.22;letter-spacing:-.04em;margin-bottom:20px}
    .hero-copy{max-width:670px;color:#53627a;font-size:17px;line-height:1.95}
    .hero-actions{display:flex;align-items:center;gap:17px;flex-wrap:wrap;margin:27px 0 25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
    .btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .hero-stats{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-stats b{color:var(--blue);font-size:19px;margin-right:5px}
    .rule-board{padding:24px;background:rgba(255,255,255,.94);border:1px solid #dce6f4;border-radius:22px;box-shadow:var(--shadow)}
    .board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}
    .board-head strong{font-size:17px}
    .status{font-size:11px;padding:4px 8px;border-radius:6px;background:#dff4ee;color:#187d71;font-weight:700}
    .rule-meter{height:8px;border-radius:9px;background:#e7edf8;overflow:hidden;margin:10px 0 20px}
    .rule-meter i{display:block;width:72%;height:100%;background:var(--blue);border-radius:9px}
    .board-item{padding:14px 0;border-bottom:1px solid var(--line)}
    .board-item:last-child{border:0;padding-bottom:0}
    .board-item small{color:#8a96a8;display:block}
    .board-item div{display:flex;justify-content:space-between;gap:12px;font-weight:700}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.025em;margin-bottom:8px}
    .section-head p{max-width:600px;color:var(--muted);margin-bottom:0}
    .rule-nav{display:flex;gap:10px;overflow:auto;padding-bottom:6px;margin-bottom:30px}
    .rule-nav a{white-space:nowrap;padding:10px 15px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--muted);font-size:14px}
    .rule-nav a:hover,.rule-nav a.current{background:var(--blue-soft);border-color:#cbdafe;color:var(--blue-dark);font-weight:700}
    .rule-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .lead-card{padding:31px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .lead-card h3{font-size:25px;line-height:1.4;margin-bottom:14px}
    .lead-card p{color:var(--muted);margin-bottom:12px}
    .image-card{min-height:280px;border-radius:var(--radius);overflow:hidden;position:relative;background:#dfeaff}
    .image-card img{width:100%;height:100%;object-fit:cover}
    .image-card figcaption{position:absolute;left:20px;right:20px;bottom:17px;padding:10px 13px;border-radius:10px;background:rgba(23,36,59,.78);color:#fff;font-size:12px}
    .chapter-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .chapter{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:48px 1fr;gap:16px}
    .chapter-num{font-size:30px;line-height:1;color:#b8c9ee;font-weight:800}
    .chapter h3{font-size:19px;margin-bottom:7px}
    .chapter p{color:var(--muted);font-size:14px;margin-bottom:12px}
    .tag-row{display:flex;flex-wrap:wrap;gap:7px}
    .badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700}
    .badge.green{background:#dff4ee;color:#187d71}
    .badge.orange{background:#fff0dc;color:#a65d18}
    .compare-wrap{display:grid;grid-template-columns:1.4fr .6fr;gap:22px}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:auto}
    .compare-row{min-width:600px;display:grid;grid-template-columns:1fr 1.2fr 1.2fr;padding:17px 22px;border-bottom:1px solid var(--line);gap:18px}
    .compare-row:first-child{background:#f0f5ff;color:var(--blue-dark);font-weight:800}
    .compare-row:last-child{border:0}
    .compare-row span{color:var(--muted);font-size:14px}
    .notice{padding:26px;background:#fff8ed;border:1px solid #f5dfbd;border-radius:17px}
    .notice h3{color:#9a5c1d;margin-bottom:9px;font-size:19px}
    .notice p,.notice li{color:#7d6b58;font-size:14px}
    .notice ul{padding-left:19px;margin:9px 0 0}
    .detail-band{background:#edf3ff}
    .detail-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:start}
    .detail-grid h2{font-size:30px;line-height:1.4}
    .detail-grid>div>p{color:var(--muted)}
    .detail-list{display:grid;gap:12px}
    .detail-list article{display:grid;grid-template-columns:30px 1fr;gap:13px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:13px}
    .detail-list b{color:var(--blue);font-size:18px}
    .detail-list h3{font-size:17px;margin-bottom:4px}
    .detail-list p{margin:0;color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:45px}
    .faq-grid h2{font-size:30px;line-height:1.4}
    .faq-grid>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:17px 20px;background:#fff;color:var(--ink);font-weight:700}
    .faq-question:hover{background:#f5f8ff;color:var(--blue)}
    .faq-question span:last-child{font-size:20px;color:var(--blue)}
    .faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:38px 42px;border-radius:20px;background:var(--blue);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:var(--shadow)}
    .cta h2{font-size:28px;margin-bottom:7px}
    .cta p{color:#dce6ff;margin-bottom:0}
    .cta .btn{background:#fff;color:var(--blue-dark)}
    .footer{margin-left:var(--side);padding:48px 0 20px;background:#17243b;color:#b9c5d8}
    .footer .brand{padding:0 0 10px;color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}
    .footer-grid p{font-size:13px;max-width:280px;line-height:1.8}
    .footer-grid h3{color:#fff;font-size:15px;margin:4px 0 12px}
    .footer-grid>div>a:not(.brand){display:block;font-size:13px;margin:7px 0;color:#b9c5d8}
    .footer-grid>div>a:hover,.footer-bottom a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:12px}
    .footer-bottom a{margin-left:15px;color:#b9c5d8}
    @media(max-width:1024px){
      .sidebar{display:none}.main,.footer{margin-left:0}.mobile-bar{height:68px;padding:0 22px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30}.mobile-bar .brand{padding:0;font-size:18px}.menu-btn{width:42px;height:40px;border-radius:9px;background:var(--blue-soft);color:var(--blue);font-size:21px}.hero-layout,.rule-intro,.compare-wrap,.detail-grid,.faq-grid{grid-template-columns:1fr}.hero{padding-top:55px}.rule-board{max-width:560px}.container{width:min(100% - 44px,900px)}}
    @media(max-width:768px){
      section{padding:55px 0}h1{font-size:38px}.section-head{display:block}.section-head h2{font-size:27px}.chapter-grid{grid-template-columns:1fr}.cta{display:block;padding:30px 25px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}}
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}.hero{padding:42px 0}.hero-copy{font-size:15px}.hero-stats{gap:12px}.profile-line{margin-bottom:15px}.lead-card,.notice{padding:22px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}.footer-bottom a:first-child{margin-left:0}.chapter{grid-template-columns:36px 1fr;padding:20px 17px}.compare-row{min-width:560px}.rule-nav{margin-right:-16px}}
    @media print{.sidebar,.mobile-bar,.hero-actions,.cta,.footer{display:none}.main{margin:0}.hero{background:#fff;padding:25px 0}.hero:before{display:none}}

/* roulang page: category2 */
:root{
 --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
 --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
 --warm:#f3a34b;--danger:#c66b4c;--radius:18px;
 --shadow:0 14px 36px rgba(29,60,115,.09);--shadow-sm:0 7px 20px rgba(29,60,115,.07);
 --side:225px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--blue)}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.025em}
.shell{min-height:100vh}
.sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--side);padding:30px 17px 22px;background:#fff;border-right:1px solid var(--line);box-shadow:4px 0 20px rgba(29,60,115,.035);overflow-y:auto}
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
.nav-label{padding:9px 12px 6px;color:#99a5b7;font-size:11px;letter-spacing:.12em}
.nav-list a{display:flex;align-items:center;gap:11px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:14px}
.nav-list a:hover{background:#f0f4fb;color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
.nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
.nav-list a.active .nav-icon{color:var(--blue)}
.side-note{margin:30px 8px 0;padding:15px;border-radius:14px;background:#f5f8fd;color:var(--muted);font-size:12px}
.side-note strong{display:block;color:var(--ink);margin-bottom:5px}
.main{margin-left:var(--side);min-width:0}
.mobile-bar{display:none}
.container{width:min(1190px,calc(100% - 64px));margin:auto}
section{padding:76px 0}
.hero{position:relative;overflow:hidden;padding:72px 0 62px;background:#eef4ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,255,.98),rgba(246,249,255,.88) 53%,rgba(246,249,255,.42))}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;margin-bottom:17px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
h1{font-size:clamp(40px,5vw,62px);line-height:1.2;margin:0 0 22px;color:var(--ink)}
.hero-copy{max-width:610px;color:#53627a;font-size:17px;line-height:1.95}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:28px 0 25px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-text{color:var(--blue);padding:10px 4px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;color:#627087;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points b{color:var(--blue);font-size:17px}
.hero-panel{padding:24px;background:rgba(255,255,255,.94);border:1px solid rgba(214,225,242,.9);border-radius:22px;box-shadow:var(--shadow)}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.panel-title{font-weight:800;font-size:17px}
.panel-note{font-size:11px;color:var(--muted)}
.filter-line{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:13px}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700}
.badge.green{background:#dff4ee;color:#187d71}
.badge.orange{background:#fff0dc;color:#a65d18}
.match-preview{padding:17px 0;border-top:1px solid var(--line)}
.match-preview:first-of-type{border-top:0}
.match-meta{display:flex;justify-content:space-between;color:#8995a7;font-size:12px;margin-bottom:8px}
.match-teams{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;text-align:center;font-weight:700}
.match-teams span:first-child{text-align:left}.match-teams span:last-child{text-align:right}
.score{font-size:21px;color:var(--blue-dark)}
.trend{height:38px;margin-top:14px;position:relative;border-bottom:1px solid #dce6f5;background:linear-gradient(180deg,transparent 48%,#edf3fd 49%,transparent 51%)}
.trend svg{width:100%;height:100%}
.notice-strip{background:#fff;border-bottom:1px solid var(--line)}
.notice-inner{display:flex;justify-content:space-between;gap:25px;align-items:center;padding:16px 0;color:var(--muted);font-size:13px}
.notice-inner strong{color:var(--ink)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:7px}
.section-head p{max-width:610px;color:var(--muted);margin-bottom:0}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 18px;margin-bottom:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
.toolbar-label{font-weight:700}
.toolbar-options{display:flex;gap:8px;flex-wrap:wrap}
.filter{padding:7px 12px;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:#fff;font-size:13px}
.filter:hover,.filter.selected{color:var(--blue);border-color:#a9c0f6;background:var(--blue-soft)}
.analysis-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:22px}
.data-list{background:#fff;border-radius:20px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-sm)}
.data-row{display:grid;grid-template-columns:1.25fr .7fr .72fr .55fr;gap:15px;align-items:center;padding:19px 23px;border-bottom:1px solid var(--line)}
.data-row:last-child{border:0}
.data-row small{display:block;color:#8793a5;font-size:12px}
.data-row strong{font-size:15px}
.data-row .metric{color:var(--blue-dark);font-weight:800}
.aside-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
.aside-card h3{font-size:20px;margin-bottom:10px}
.aside-card p{color:var(--muted);font-size:14px}
.dimension-list li{padding:12px 0;border-bottom:1px solid #edf1f5;display:flex;justify-content:space-between;gap:15px;font-size:14px}
.dimension-list li:last-child{border:0}
.dimension-list b{color:var(--blue)}
.feature-band{background:#edf3ff}
.band-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:stretch}
.band-intro{padding:32px;background:var(--blue);color:#fff;border-radius:20px;box-shadow:var(--shadow)}
.band-intro h2{font-size:31px;line-height:1.4}
.band-intro p{color:#dbe6ff}
.band-intro .btn{margin-top:15px;background:#fff;color:var(--blue-dark)}
.depth-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.depth-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
.depth-card img{width:100%;height:145px;object-fit:cover}
.depth-content{padding:21px}
.depth-content h3{font-size:19px;margin:9px 0}
.depth-content p{color:var(--muted);font-size:14px;margin-bottom:0}
.steps-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
.steps-intro h2{font-size:31px;line-height:1.4}
.steps-intro p{color:var(--muted)}
.step-list{display:grid;gap:13px}
.step-item{display:grid;grid-template-columns:57px 1fr;gap:18px;padding:21px;background:#fff;border:1px solid var(--line);border-radius:15px}
.step-no{width:42px;height:42px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:18px}
.step-item h3{font-size:18px;margin:0 0 5px}
.step-item p{color:var(--muted);font-size:14px;margin:0}
.image-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
.story-image{border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.story-image img{width:100%;height:360px;object-fit:cover}
.story-copy h2{font-size:31px;line-height:1.4}
.story-copy p{color:var(--muted)}
.check-list{margin:20px 0 0}
.check-list li{display:flex;gap:11px;padding:10px 0;border-bottom:1px solid #edf1f5}
.check-list li:before{content:"✓";color:var(--cyan);font-weight:800}
.record-section{background:#fff}
.record-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.record-card{padding:28px;background:#f8faff;border:1px solid var(--line);border-radius:18px}
.record-card h3{font-size:21px;margin-bottom:10px}
.record-card p{color:var(--muted);margin-bottom:0}
.record-meta{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}
.caution{margin-top:22px;padding:16px 18px;border-left:3px solid var(--warm);background:#fff8ed;color:#795a32;border-radius:8px;font-size:13px}
.free-zone{display:grid;grid-template-columns:1fr .8fr;gap:25px;align-items:center;padding:34px;border-radius:22px;background:#eaf0ff;border:1px solid #d7e3fb}
.free-zone h2{font-size:30px;line-height:1.4;margin-bottom:9px}
.free-zone p{color:var(--muted);margin-bottom:0}
.free-side{padding:22px;background:#fff;border-radius:15px;border:1px solid var(--line)}
.free-side strong{display:block;font-size:20px;color:var(--blue-dark);margin-bottom:6px}
.free-side span{display:block;color:var(--muted);font-size:13px}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}
.faq-grid h2{font-size:31px;line-height:1.4}
.faq-grid>div>p{color:var(--muted)}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:10px;padding:0 20px;box-shadow:var(--shadow-sm)}
.faq-list details[open]{border-color:#b9caf2}
.faq-list summary{padding:17px 0;cursor:pointer;font-weight:700;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-list p{color:var(--muted);font-size:14px;padding:0 0 17px;margin:0}
.cta{padding:52px 0;background:var(--blue-dark);color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:31px;margin-bottom:8px}
.cta p{color:#d8e3ff;margin:0}
.cta .btn{background:#fff;color:var(--blue-dark)}
.footer{background:#122446;color:#dbe5f8;padding:52px 0 20px}
.footer .brand{color:#fff;padding:0 0 10px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
.footer-grid p{max-width:285px;color:#9eafd0;font-size:13px}
.footer-grid h3{font-size:14px;color:#fff;margin:4px 0 13px}
.footer-grid a:not(.brand){display:block;color:#9eafd0;font-size:13px;margin:8px 0}
.footer-grid a:hover,.footer-bottom a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);color:#91a3c5;font-size:12px}
.footer-bottom a{margin-left:18px}
:focus-visible{outline:3px solid rgba(36,87,214,.35);outline-offset:3px}
@media(max-width:1024px){
 :root{--side:0px}.sidebar{display:none}.main{margin-left:0}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;height:66px;padding:0 22px;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 15px rgba(29,60,115,.06)}
 .mobile-bar .brand{padding:0;font-size:18px}.menu-btn{padding:8px 11px;background:var(--blue-soft);border-radius:9px;color:var(--blue);font-size:21px}
 .hero-grid,.analysis-layout,.band-grid,.steps-layout,.image-story,.faq-grid{grid-template-columns:1fr}.hero-panel{max-width:650px}.steps-intro{max-width:700px}.story-image{order:2}.free-zone{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 36px,620px)}section{padding:54px 0}.hero{padding:54px 0 48px}.hero-grid{gap:33px}h1{font-size:39px}.section-head{display:block}.section-head h2{font-size:28px}.section-head p{margin-top:10px}.data-row{grid-template-columns:1.35fr .7fr .6fr;padding:16px}.data-row>span:last-child{display:none}.toolbar{display:block}.toolbar-options{margin-top:11px}.depth-grid,.record-layout{grid-template-columns:1fr}.story-image img{height:280px}.cta-inner{display:block}.cta .btn{margin-top:20px}
}
@media(max-width:520px){
 body{font-size:14px}.container{width:calc(100% - 28px)}.mobile-bar{padding:0 14px}.hero h1{font-size:33px}.hero-copy{font-size:15px}.hero-actions{gap:10px}.btn{width:100%}.btn-text{width:auto}.hero-points{gap:10px}.hero-panel{padding:18px}.match-teams{font-size:13px}.data-row{grid-template-columns:1fr .65fr;gap:8px}.data-row .metric{display:none}.depth-card img{height:120px}.step-item{grid-template-columns:45px 1fr;padding:17px 14px}.free-zone{padding:23px}.free-zone h2{font-size:25px}.footer{padding-top:38px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}.footer-bottom a:first-child{margin-left:0}
}
@media print{.sidebar,.mobile-bar,.hero-actions,.cta{display:none}.main{margin:0}.hero{background:#fff}.hero:before{display:none}section{padding:30px 0}.footer{background:#fff;color:#222}}

/* roulang page: category1 */
:root{
 --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
 --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
 --warm:#f3a34b;--danger:#c66b4c;--radius:18px;
 --shadow:0 14px 36px rgba(29,60,115,.09);--shadow-sm:0 7px 20px rgba(29,60,115,.07);
 --side:225px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.8}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--blue)}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.025em}
h1{font-size:clamp(36px,5vw,58px);line-height:1.2;margin:12px 0 20px}
h2{font-size:clamp(27px,3vw,38px);line-height:1.35;margin-bottom:14px}
h3{font-size:19px;line-height:1.45}
.container{width:min(1190px,calc(100% - 64px));margin:0 auto}
.shell{min-height:100vh}
.sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--side);padding:29px 17px 20px;background:#fff;border-right:1px solid var(--line);box-shadow:4px 0 22px rgba(29,60,115,.035);overflow-y:auto}
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
.brand:hover{color:var(--blue)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
.nav-label{padding:9px 12px 6px;color:#99a5b7;font-size:11px;letter-spacing:.12em}
.nav-list{list-style:none;padding:0;margin:0}
.nav-list a{display:flex;align-items:center;gap:11px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:14px}
.nav-list a:hover{background:#f0f4fb;color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
.nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
.nav-list a.active .nav-icon{color:var(--blue)}
.side-note{margin:30px 8px 0;padding:15px;border-radius:14px;background:#f5f8fd;color:var(--muted);font-size:12px}
.side-note strong{display:block;color:var(--ink);margin-bottom:4px}
.main{margin-left:var(--side)}
.mobile-bar{display:none}
.hero{position:relative;overflow:hidden;padding:74px 0 62px;background:#edf4ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,250,255,.98),rgba(247,250,255,.86) 55%,rgba(247,250,255,.48))}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
.hero-copy{max-width:650px;color:#53627a;font-size:17px;line-height:1.95}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:28px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-text{color:var(--blue);padding:10px 2px}
.btn:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(36,87,214,.2);outline-offset:3px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;color:#627087;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points b{color:var(--blue);font-size:17px}
.guide-panel{background:rgba(255,255,255,.94);border:1px solid #d8e4f4;border-radius:22px;padding:25px;box-shadow:var(--shadow)}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:6px}
.panel-title{font-weight:800;font-size:18px}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700;line-height:1.5}
.badge.green{background:#dff4ee;color:#187d71}
.badge.orange{background:#fff0dc;color:#a65d18}
.guide-row{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid #edf1f6}
.guide-row:last-child{border-bottom:0}
.guide-num{width:29px;height:29px;border-radius:9px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800}
.guide-row strong{display:block;font-size:14px}
.guide-row small{display:block;color:var(--muted);font-size:12px}
.guide-row em{font-style:normal;color:var(--cyan);font-size:12px}
.trustbar{background:#fff;border-bottom:1px solid var(--line)}
.trust-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:17px 0;color:var(--muted);font-size:13px}
.trust-inner span{display:flex;gap:8px;align-items:center}
.trust-inner b{color:var(--blue-dark)}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head p{max-width:580px;color:var(--muted);margin-bottom:0}
.section-kicker{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.12em;margin-bottom:9px}
.index-layout{display:grid;grid-template-columns:280px 1fr;gap:43px;align-items:start}
.index-card{position:sticky;top:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm)}
.index-card h3{margin-bottom:12px}
.index-card a{display:block;padding:10px 0;border-bottom:1px solid #edf1f5;color:var(--muted);font-size:14px}
.index-card a:last-child{border-bottom:0}
.index-card a:hover{padding-left:5px;color:var(--blue)}
.chapter{padding:0 0 35px;margin-bottom:35px;border-bottom:1px solid var(--line)}
.chapter:last-child{border-bottom:0;margin-bottom:0}
.chapter-title{display:flex;gap:14px;align-items:flex-start}
.chapter-number{font-size:28px;line-height:1;color:#b9cbed;font-weight:800;min-width:34px}
.chapter h3{font-size:23px;margin-bottom:9px}
.chapter p{color:var(--muted);max-width:700px}
.term-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.term{padding:18px;background:#f7faff;border:1px solid #e3ebf8;border-radius:13px}
.term strong{display:block;color:var(--blue-dark);margin-bottom:4px}
.term span{display:block;color:var(--muted);font-size:13px}
.cover-block{display:grid;grid-template-columns:.88fr 1.12fr;gap:28px;align-items:stretch}
.cover-block figure{margin:0;min-height:390px;overflow:hidden;border-radius:20px;position:relative;background:#dbe7fa}
.cover-block img{width:100%;height:100%;object-fit:cover}
.cover-block figcaption{position:absolute;bottom:0;left:0;right:0;padding:35px 20px 18px;color:#fff;background:linear-gradient(transparent,rgba(17,37,76,.75));font-size:13px}
.content-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:31px;box-shadow:var(--shadow)}
.content-panel p{color:var(--muted)}
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px}
.step{position:relative;padding:0 20px 0 0}
.step:not(:last-child):after{content:"";position:absolute;top:15px;right:18px;width:calc(100% - 63px);height:1px;background:#cddaf0}
.step-num{position:relative;z-index:1;width:31px;height:31px;background:var(--blue);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.step h3{font-size:16px;margin-bottom:5px}
.step p{font-size:13px;color:var(--muted);padding-right:12px}
.mistake-zone{background:#fff7ed}
.mistake-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mistake{padding:25px;background:#fff;border:1px solid #f4dec3;border-radius:16px}
.mistake h3{display:flex;justify-content:space-between;gap:10px}
.mistake p{color:var(--muted);font-size:14px;margin-bottom:0}
.compare{display:grid;grid-template-columns:1fr 1.12fr;gap:20px;align-items:stretch}
.compare-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}
.compare-card.recommended{border:2px solid var(--blue);box-shadow:var(--shadow);position:relative}
.recommended .recommend-tag{position:absolute;top:-13px;left:22px;background:var(--blue);color:#fff;padding:4px 12px;border-radius:20px;font-size:12px}
.compare-card h3{font-size:22px}
.compare-card p,.compare-card li{color:var(--muted);font-size:14px}
.compare-card ul{padding-left:20px;margin-bottom:22px}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
.faq-intro p{color:var(--muted)}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden}
.faq-item button{width:100%;padding:17px 19px;background:#fff;text-align:left;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;align-items:center}
.faq-item button:hover{color:var(--blue);background:#f9fbff}
.faq-item button span{color:var(--blue);font-size:21px}
.faq-answer{display:none;padding:0 19px 17px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open button span{transform:rotate(45deg)}
.cta{padding:45px 0}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px;background:var(--blue);color:#fff;border-radius:22px;padding:35px 42px;box-shadow:var(--shadow)}
.cta-box h2{margin-bottom:7px}
.cta-box p{color:#dbe6ff;margin:0}
.cta-box .btn{background:#fff;color:var(--blue-dark);white-space:nowrap}
.footer{background:#17243b;color:#cbd6e8;padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
.footer .brand{padding:0 0 10px;color:#fff}
.footer p{font-size:13px;color:#aebbd0;max-width:270px}
.footer h3{color:#fff;font-size:15px;margin:4px 0 12px}
.footer-grid>div>a:not(.brand){display:block;color:#aebbd0;font-size:13px;padding:3px 0}
.footer-grid>div>a:not(.brand):hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;color:#93a3bb;font-size:12px}
.footer-bottom a{margin-left:14px;color:#b9c9df}
@media(max-width:1024px){
 :root{--side:220px}
 .container{width:min(100% - 44px,900px)}
 .hero-grid,.cover-block{gap:28px}
 .step-list{grid-template-columns:repeat(2,1fr);gap:25px}
 .step:after{display:none}
}
@media(max-width:768px){
 .sidebar{display:none}
 .main{margin-left:0;padding-top:62px}
 .mobile-bar{display:flex;position:fixed;z-index:30;top:0;left:0;right:0;height:62px;background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;padding:0 18px;box-shadow:0 3px 15px rgba(29,60,115,.06)}
 .mobile-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--blue-dark)}
 .mobile-brand i{font-style:normal;width:32px;height:32px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center}
 .menu-btn{width:40px;height:38px;border-radius:9px;background:var(--blue-soft);color:var(--blue);font-size:22px}
 .hero{padding:54px 0 44px}
 .hero-grid,.index-layout,.cover-block,.compare,.faq-grid{grid-template-columns:1fr}
 .index-card{position:static;order:2}
 section{padding:58px 0}
 .section-head{display:block}
 .section-head p{margin-top:10px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-box{display:block;padding:29px}
 .cta-box .btn{margin-top:20px}
}
@media(max-width:520px){
 .container{width:calc(100% - 32px)}
 h1{font-size:35px}
 .hero-copy{font-size:15px}
 .hero-actions{align-items:stretch;flex-direction:column}
 .hero-actions .btn{width:100%}
 .term-list,.mistake-grid,.footer-grid{grid-template-columns:1fr}
 .step-list{grid-template-columns:1fr}
 .guide-panel,.content-panel{padding:20px}
 .guide-row{grid-template-columns:30px 1fr}
 .guide-row em{display:none}
 .trust-inner{display:block}
 .trust-inner span{margin:5px 0}
 .footer-bottom{display:block}
 .footer-bottom span{display:block;margin:7px 0}
}
@media print{
 .sidebar,.mobile-bar,.hero-actions,.cta,.footer{display:none}
 .main{margin:0}
 .hero{background:#fff;padding:30px 0}
 section{padding:30px 0}
}

/* roulang page: category5 */
:root{
 --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
 --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
 --warm:#f3a34b;--danger:#c66b4c;--radius:18px;
 --shadow:0 14px 36px rgba(29,60,115,.09);--shadow-sm:0 7px 20px rgba(29,60,115,.07);
 --side:225px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
body,button,input,textarea,select{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--blue)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
img{display:block;max-width:100%;height:auto}
button{border:0;cursor:pointer}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin:0 0 22px}
h2{font-size:clamp(27px,3vw,38px);line-height:1.35;letter-spacing:-.025em;margin:0 0 16px}
h3{line-height:1.45;margin-bottom:10px}
.container{width:min(1190px,calc(100% - 64px));margin:auto}
.app-shell{min-height:100vh}
.sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--side);padding:29px 17px 22px;background:#fff;border-right:1px solid var(--line);box-shadow:5px 0 22px rgba(29,60,115,.035);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
.nav-label{padding:9px 12px 6px;color:#99a5b7;font-size:11px;letter-spacing:.12em}
.nav-list{list-style:none;padding:0;margin:0}
.nav-list a{display:flex;align-items:center;gap:11px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:14px}
.nav-list a:hover{background:#f0f4fb;color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
.nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
.nav-list a.active .nav-icon{color:var(--blue)}
.side-note{margin-top:auto;padding:15px 13px;background:#f6f9fe;border:1px solid var(--line);border-radius:13px;color:var(--muted);font-size:12px}
.side-note strong{display:block;color:var(--ink);margin-bottom:4px}
.main{margin-left:var(--side)}
.mobile-bar{display:none}
.hero{position:relative;padding:70px 0 62px;overflow:hidden;background:#eef4ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,255,.98),rgba(246,249,255,.87) 55%,rgba(246,249,255,.48))}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:54px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;margin-bottom:18px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
.hero-copy{max-width:640px;color:#53627a;font-size:17px;line-height:1.95}
.actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0 25px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;color:#627087;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points b{color:var(--blue);font-size:17px}
.warning-panel{background:rgba(255,255,255,.94);border:1px solid rgba(214,225,242,.9);border-radius:22px;box-shadow:var(--shadow);padding:25px}
.panel-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}
.panel-title{font-weight:800;font-size:18px}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700}
.badge.green{background:#dff4ee;color:#187d71}
.badge.orange{background:#fff0dc;color:#a65d18}
.risk-meter{display:flex;align-items:center;gap:15px;padding:16px;border-radius:14px;background:#fff7ef;border:1px solid #f4dfc5}
.meter-circle{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#fff;border:7px solid #f4c27e;color:#a65d18;font-weight:800}
.risk-meter p{margin:0;color:#805c39;font-size:13px}
.panel-list{list-style:none;padding:0;margin:18px 0 0}
.panel-list li{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}
.panel-list li:last-child{border-bottom:0}
.panel-list small{color:var(--muted)}
.trustbar{background:#fff;border-bottom:1px solid var(--line)}
.trustbar .container{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:17px 0}
.trust-item{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px}
.trust-item strong{display:block;color:var(--ink)}
.trust-icon{width:31px;height:31px;border-radius:9px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head p{max-width:590px;color:var(--muted);margin-bottom:0}
.intro-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:38px;align-items:start}
.intro-copy{padding:30px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
.intro-copy p{color:var(--muted)}
.intro-copy p:last-child{margin-bottom:0}
.check-list{list-style:none;padding:0;margin:17px 0 0}
.check-list li{display:flex;gap:11px;padding:11px 0;border-bottom:1px solid #edf1f5;color:#4d5d75}
.check-list li:before{content:"✓";color:var(--cyan);font-weight:800}
.risk-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.risk-card{padding:29px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.risk-card.emphasis{background:#173b9b;color:#fff;border-color:#173b9b}
.risk-card.emphasis p,.risk-card.emphasis li{color:#dce6ff}
.risk-card h3{font-size:22px}
.risk-card p{color:var(--muted)}
.risk-items{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:21px}
.risk-item{padding:16px;border-radius:13px;background:#f8faff;border:1px solid var(--line)}
.risk-item strong{display:block;margin-bottom:4px}
.risk-item span{font-size:13px;color:var(--muted)}
.risk-card.emphasis .risk-item{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.17)}
.risk-card.emphasis .risk-item span{color:#dce6ff}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
.content-card img{width:100%;height:205px;object-fit:cover}
.content-card-body{padding:26px}
.content-card-body p{color:var(--muted);font-size:14px}
.content-card-body p:last-child{margin-bottom:0}
.meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:12px;font-size:12px;color:#8490a2}
.practice{background:#edf3ff}
.practice-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}
.practice-text p{color:var(--muted)}
.step-list{display:grid;gap:13px}
.step{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:19px 21px;background:#fff;border:1px solid var(--line);border-radius:15px}
.step-num{width:38px;height:38px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800}
.step h3{margin:0 0 4px;font-size:17px}
.step p{margin:0;color:var(--muted);font-size:13px}
.self-check{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.question-box{padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px}
.question-box h3{font-size:20px}
.question-box ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}
.question-box li{padding:5px 0}
.faq-list{display:grid;gap:10px;max-width:900px}
details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 20px;box-shadow:var(--shadow-sm)}
summary{cursor:pointer;list-style:none;padding:17px 25px 17px 0;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}
details[open] summary:after{content:"－"}
details p{border-top:1px solid var(--line);padding:15px 0 18px;margin:0;color:var(--muted);font-size:14px}
.cta{padding:44px 0}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:35px 40px;background:#eaf0ff;border:1px solid #d7e2fc;border-radius:22px}
.cta-box p{color:var(--muted);margin:6px 0 0}
.footer{background:#14233b;color:#c6d0df;padding:52px 0 22px}
.footer .brand{color:#fff;padding:0 0 10px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr .9fr;gap:35px}
.footer p{font-size:13px;max-width:280px;color:#aebbd0}
.footer h3{font-size:14px;color:#fff;margin:5px 0 12px}
.footer-grid>div>a:not(.brand){display:block;font-size:13px;color:#aebbd0;padding:3px 0}
.footer-grid>div>a:hover,.footer-bottom a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:33px;padding-top:18px;font-size:12px;color:#98a8bf}
.footer-bottom a{margin-left:15px}
@media(max-width:1024px){
 .sidebar{display:none}.main{margin-left:0}.mobile-bar{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:relative;z-index:30}.mobile-bar .brand{padding:0;font-size:18px}.menu-btn{background:var(--blue-soft);color:var(--blue);border-radius:9px;padding:8px 13px;font-weight:700}
 .hero-grid,.intro-layout,.practice-layout{grid-template-columns:1fr}.hero{padding-top:55px}.warning-panel{max-width:650px}
}
@media(max-width:768px){
 .container{width:min(100% - 36px,620px)}section{padding:55px 0}.hero{min-height:0}.trustbar .container,.risk-grid,.two-column,.self-check{grid-template-columns:1fr}.trustbar .container{gap:9px}.section-head{display:block}.section-head p{margin-top:10px}.risk-items{grid-template-columns:1fr 1fr}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}
}
@media(max-width:520px){
 h1{font-size:35px}.hero-copy{font-size:15px}.actions .btn{width:100%}.risk-items{grid-template-columns:1fr}.warning-panel{padding:19px}.panel-list li{display:block}.panel-list small{display:block;margin-top:3px}.content-card img{height:170px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}.footer-bottom a{margin:0 14px 0 0}
}
@media print{
 .sidebar,.mobile-bar,.actions,.cta{display:none!important}.main{margin:0}.hero{background:#fff}.hero:before{display:none}.footer{color:#222;background:#fff;border-top:1px solid #ddd}
}

/* roulang page: category6 */
:root{
 --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
 --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
 --warm:#f3a34b;--danger:#c66b4c;--radius:18px;
 --shadow:0 14px 36px rgba(29,60,115,.09);--shadow-sm:0 7px 20px rgba(29,60,115,.07);
 --side:258px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--blue)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.025em}
.container{width:min(1190px,calc(100% - 64px));margin:auto}
.app-shell{min-height:100vh}
.sidebar{position:fixed;z-index:20;top:0;bottom:0;left:0;width:var(--side);padding:29px 18px 20px;background:#fff;border-right:1px solid var(--line);box-shadow:4px 0 22px rgba(29,60,115,.035);display:flex;flex-direction:column}
.main{margin-left:var(--side);min-height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
.brand:hover{color:var(--blue)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
.nav-label{padding:9px 12px 6px;color:#99a5b7;font-size:11px;letter-spacing:.12em}
.nav-list{list-style:none;padding:0;margin:0}
.nav-list a{display:flex;align-items:center;gap:10px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:13px}
.nav-list a:hover{background:#f0f4fb;color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
.nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px;flex:0 0 22px}
.nav-list a.active .nav-icon{color:var(--blue)}
.side-note{margin-top:auto;padding:17px 13px;background:#f4f7fc;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:12px}
.side-note b{display:block;color:var(--ink);font-size:13px;margin-bottom:5px}
.mobile-bar{display:none}
.hero{position:relative;overflow:hidden;padding:76px 0 66px;background:#eaf1ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(246,249,255,.98),rgba(246,249,255,.82) 55%,rgba(246,249,255,.45))}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:58px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;margin-bottom:18px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
h1{font-size:clamp(40px,5vw,62px);line-height:1.2;margin:0 0 21px;max-width:650px}
.hero-copy{max-width:630px;color:#53627a;font-size:17px;line-height:1.95}
.hero-actions{display:flex;align-items:center;gap:17px;flex-wrap:wrap;margin:27px 0 23px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.22s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-text{padding-left:4px;color:var(--blue);min-height:46px}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;color:#627087;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:6px}
.hero-points b{color:var(--blue);font-size:16px}
.hero-image{position:relative;min-height:365px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:7px solid rgba(255,255,255,.72)}
.hero-image img{width:100%;height:365px;object-fit:cover}
.image-caption{position:absolute;left:18px;right:18px;bottom:18px;padding:13px 16px;border-radius:12px;background:rgba(23,36,59,.82);color:#fff;font-size:13px}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:7px}
.section-head p{max-width:610px;color:var(--muted);margin-bottom:0}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700}
.badge.green{background:#dff4ee;color:#187d71}
.badge.orange{background:#fff0dc;color:#a65d18}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:13px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);margin-bottom:28px}
.filter-title{font-weight:700;margin-right:8px}
.filter{padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);font-size:13px}
.filter:hover,.filter.active{background:var(--blue-soft);border-color:#c5d5fb;color:var(--blue-dark)}
.feature-news{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.feature-news img{width:100%;height:330px;object-fit:cover}
.feature-content{padding:34px 36px;display:flex;flex-direction:column;justify-content:center}
.feature-content h3{font-size:28px;line-height:1.42;margin:14px 0 12px}
.feature-content p{color:var(--muted);line-height:1.9}
.meta{display:flex;align-items:center;gap:12px;color:#8995a8;font-size:12px}
.news-section{background:#fff}
.news-layout{display:grid;grid-template-columns:1.22fr .78fr;gap:24px;align-items:start}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
.news-date{color:#8a96a8;font-size:13px}
.news-date strong{display:block;font-size:25px;color:var(--blue-dark);line-height:1.2}
.news-item h3{font-size:19px;margin:7px 0 4px}
.news-item p{color:var(--muted);font-size:13px;line-height:1.75;margin:0;max-width:600px}
.read-link{white-space:nowrap;color:var(--blue);font-size:13px;font-weight:700}
.read-link:after{content:" →";transition:.2s}
.read-link:hover:after{padding-left:4px}
.aside-card{padding:27px;background:#f0f5ff;border:1px solid #dce7fb;border-radius:18px}
.aside-card h3{font-size:21px;margin:9px 0 12px}
.aside-card p{color:var(--muted);font-size:14px}
.topic-list{list-style:none;padding:0;margin:20px 0 0}
.topic-list li{border-top:1px solid #d9e4f7;padding:12px 0}
.topic-list a{display:flex;justify-content:space-between;gap:10px;font-size:14px}
.topic-list span{color:#93a0b2}
.info-band{background:#edf3ff}
.info-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:45px;align-items:start}
.info-intro h2{font-size:31px;line-height:1.4;margin:8px 0 13px}
.info-intro p{color:var(--muted);line-height:1.9}
.info-points{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.info-point{padding:21px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
.info-point b{display:block;color:var(--blue-dark);font-size:25px;margin-bottom:4px}
.info-point span{color:var(--muted);font-size:13px}
.deep-section{background:#fff}
.deep-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.deep-grid img{width:100%;height:355px;object-fit:cover;border-radius:18px;box-shadow:var(--shadow)}
.deep-copy h2{font-size:32px;line-height:1.4;margin:8px 0 15px}
.deep-copy p{color:var(--muted);line-height:1.95}
.check-list{list-style:none;padding:0;margin:21px 0 0}
.check-list li{padding:10px 0;border-bottom:1px solid #edf1f5}
.check-list li:before{content:"✓";color:var(--cyan);font-weight:800;margin-right:10px}
.notice{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.notice-card{padding:27px;background:#f8faff;border:1px solid var(--line);border-radius:17px}
.notice-card.warning{background:#fff8ee;border-color:#f5dfbd}
.notice-card h3{font-size:20px;margin:10px 0 8px}
.notice-card p{color:var(--muted);font-size:14px;margin-bottom:0}
.cta{padding:65px 0;background:var(--blue-dark);color:#fff}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:31px;line-height:1.4;margin:0 0 10px}
.cta p{color:#d9e5ff;max-width:680px;margin:0}
.cta .btn{background:#fff;color:var(--blue-dark);white-space:nowrap}
.cta .btn:hover{background:#eaf0ff}
.footer{padding:48px 0 22px;background:#17243b;color:#aebbd0}
.footer .brand{color:#fff;padding:0 0 10px}
.footer .brand-mark{background:var(--blue)}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr .85fr;gap:35px}
.footer p{font-size:13px;max-width:290px;line-height:1.8}
.footer h3{font-size:14px;color:#fff;margin:5px 0 12px}
.footer-grid>div>a:not(.brand){display:block;font-size:13px;margin:7px 0}
.footer-grid>div>a:hover,.footer-bottom a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:12px}
.footer-bottom a{margin-left:16px}
@media(max-width:1024px){
 :root{--side:225px}
 .container{width:min(100% - 42px,900px)}
 .hero-grid,.news-layout,.info-grid{grid-template-columns:1fr}
 .hero{padding:58px 0}
 .hero-image{max-width:690px}
 .sidebar{padding-left:12px;padding-right:12px}
 .nav-list a{font-size:12px}
}
@media(max-width:768px){
 .sidebar{display:none}
 .main{margin-left:0}
 .mobile-bar{height:67px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
 .mobile-bar .brand{padding:0;font-size:18px}
 .mobile-bar .brand-mark{width:33px;height:33px;font-size:16px}
 .menu-button{width:42px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue);font-size:21px}
 .mobile-drawer{position:fixed;z-index:40;inset:0 auto 0 0;width:min(300px,86vw);padding:25px 18px;background:#fff;transform:translateX(-105%);transition:.25s ease;box-shadow:10px 0 35px rgba(20,44,91,.16)}
 .mobile-drawer.open{transform:translateX(0)}
 .drawer-close{float:right;background:var(--blue-soft);color:var(--blue);width:35px;height:35px;border-radius:8px}
 .drawer-backdrop{display:none;position:fixed;z-index:35;inset:0;background:rgba(18,35,62,.38)}
 .drawer-backdrop.open{display:block}
 section{padding:58px 0}
 .container{width:calc(100% - 36px)}
 .hero-grid,.feature-news,.deep-grid,.notice{grid-template-columns:1fr}
 h1{font-size:38px}
 .hero-image img{height:280px}
 .feature-news img{height:240px}
 .feature-content{padding:26px}
 .news-item{grid-template-columns:75px 1fr;gap:13px}
 .news-item .read-link{grid-column:2}
 .news-date strong{font-size:21px}
 .info-points{grid-template-columns:1fr 1fr}
 .deep-grid img{height:260px}
 .cta-wrap{display:block}
 .cta .btn{margin-top:23px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}
 .hero{padding:45px 0}
 .hero-copy{font-size:15px}
 .hero-actions .btn{width:100%}
 .hero-points{gap:9px;display:grid}
 .section-head{display:block}
 .section-head h2,.deep-copy h2,.info-intro h2{font-size:27px}
 .feature-content h3{font-size:23px}
 .filter-bar{align-items:flex-start}
 .filter-title{width:100%}
 .news-item{grid-template-columns:1fr}
 .news-item .read-link{grid-column:auto}
 .info-points{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{display:block}
 .footer-bottom span{display:block;margin:7px 0}
 .footer-bottom a{margin-left:0;margin-right:14px}
}
@media print{
 .sidebar,.mobile-bar,.mobile-drawer,.drawer-backdrop,.hero-actions,.cta{display:none!important}
 .main{margin:0}.hero{background:#fff;padding:30px 0}.hero:before{display:none}
 section{padding:30px 0}.footer{background:#fff;color:#333;border-top:1px solid #ddd}
 .footer h3,.footer .brand{color:#222}
}

/* roulang page: category4 */
:root{
      --blue:#2457d6;
      --blue-dark:#173b9b;
      --blue-soft:#eaf0ff;
      --cyan:#159b9b;
      --ink:#17243b;
      --muted:#68758b;
      --paper:#fff;
      --bg:#f5f8fc;
      --line:#dfe7f2;
      --warm:#f3a34b;
      --danger:#c66b4c;
      --radius:18px;
      --shadow:0 14px 36px rgba(29,60,115,.09);
      --shadow-sm:0 7px 20px rgba(29,60,115,.07);
      --side:225px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--bg);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:15px;
      line-height:1.8;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--blue)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(36,87,214,.25);
      outline-offset:3px;
    }
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    .app-shell{min-height:100vh}
    .sidebar{
      position:fixed;
      z-index:20;
      top:0;
      bottom:0;
      left:0;
      width:var(--side);
      padding:30px 17px 20px;
      background:#fff;
      border-right:1px solid var(--line);
      box-shadow:5px 0 24px rgba(29,60,115,.04);
      overflow-y:auto;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      padding:4px 10px 28px;
      color:var(--blue-dark);
      font-size:21px;
      font-weight:800;
    }
    .brand:hover{color:var(--blue-dark)}
    .brand-mark{
      width:38px;height:38px;
      display:grid;place-items:center;
      border-radius:12px;
      background:var(--blue);
      color:#fff;
      font-size:18px;
      box-shadow:0 8px 18px rgba(36,87,214,.23);
    }
    .nav-label{
      padding:9px 12px 6px;
      color:#99a5b7;
      font-size:11px;
      letter-spacing:.12em;
    }
    .nav-list{list-style:none;margin:0;padding:0}
    .nav-list a{
      display:flex;
      align-items:center;
      gap:11px;
      margin:4px 0;
      padding:10px 12px;
      border-radius:11px;
      color:#53627a;
      font-size:14px;
    }
    .nav-list a:hover{background:#f0f4fb;color:var(--blue)}
    .nav-list a.active{
      background:var(--blue-soft);
      color:var(--blue-dark);
      font-weight:700;
      box-shadow:inset 3px 0 var(--blue);
    }
    .nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
    .nav-list a.active .nav-icon{color:var(--blue)}
    .side-note{
      margin:31px 8px 0;
      padding:15px 14px;
      border-radius:14px;
      background:#f5f8fc;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }
    .side-note strong{display:block;color:var(--ink);margin-bottom:4px}
    .main{margin-left:var(--side);min-width:0}
    .mobile-bar{
      display:none;
      position:relative;
      z-index:30;
      height:68px;
      align-items:center;
      justify-content:space-between;
      padding:0 20px;
      background:#fff;
      border-bottom:1px solid var(--line);
    }
    .menu-btn{
      width:42px;height:42px;
      border-radius:10px;
      color:var(--blue-dark);
      background:var(--blue-soft);
      font-size:21px;
    }
    .container{width:min(1190px,calc(100% - 64px));margin:auto}
    section{padding:78px 0}
    .inner-banner{
      position:relative;
      overflow:hidden;
      min-height:402px;
      padding:79px 0 72px;
      background:#edf4ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .inner-banner:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(246,249,255,.97),rgba(246,249,255,.82) 55%,rgba(246,249,255,.32));
    }
    .inner-banner .container{position:relative;z-index:1}
    .banner-grid{
      display:grid;
      grid-template-columns:1fr 370px;
      gap:55px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-weight:700;
      font-size:13px;
      margin-bottom:17px;
    }
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
    h1,h2,h3,p{margin-top:0}
    h1{
      max-width:680px;
      margin-bottom:18px;
      font-size:clamp(36px,4.8vw,58px);
      line-height:1.22;
      letter-spacing:-.045em;
    }
    h2{font-size:32px;line-height:1.35;letter-spacing:-.025em;margin-bottom:12px}
    h3{line-height:1.4}
    .lead{
      max-width:670px;
      margin-bottom:26px;
      color:#53627a;
      font-size:17px;
      line-height:1.95;
    }
    .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 21px;
      border-radius:10px;
      font-weight:700;
      border:1px solid transparent;
      transition:all .22s ease;
    }
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
    .btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-text{padding-left:4px;color:var(--blue);min-height:46px}
    .banner-card{
      padding:24px;
      background:rgba(255,255,255,.94);
      border:1px solid rgba(214,225,242,.95);
      border-radius:21px;
      box-shadow:var(--shadow);
    }
    .banner-card img{width:100%;height:151px;object-fit:cover;border-radius:13px;margin-bottom:17px}
    .banner-card h3{font-size:19px;margin-bottom:7px}
    .banner-card p{color:var(--muted);font-size:13px;margin-bottom:0}
    .badge{
      display:inline-block;
      padding:4px 9px;
      border-radius:6px;
      background:#dfe9ff;
      color:var(--blue-dark);
      font-size:11px;
      font-weight:700;
    }
    .badge.green{background:#dff4ee;color:#187d71}
    .badge.orange{background:#fff0dc;color:#a65d18}
    .status-strip{
      display:flex;
      flex-wrap:wrap;
      gap:12px 28px;
      align-items:center;
      padding:17px 22px;
      background:#fff;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }
    .status-strip span{display:inline-flex;align-items:center;gap:8px}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan)}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:25px;
      margin-bottom:30px;
    }
    .section-head p{max-width:590px;color:var(--muted);margin-bottom:0}
    .intro-layout{
      display:grid;
      grid-template-columns:.76fr 1.24fr;
      gap:54px;
      align-items:start;
    }
    .intro-copy{max-width:420px}
    .intro-copy p{color:var(--muted);line-height:1.95}
    .key-points{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:13px;
      margin-top:24px;
    }
    .key-point{
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      box-shadow:var(--shadow-sm);
    }
    .key-point b{display:block;font-size:24px;color:var(--blue);line-height:1.2}
    .key-point span{color:var(--muted);font-size:12px}
    .timeline{
      position:relative;
      padding-left:26px;
      border-left:2px solid #cfdcf5;
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:105px 1fr;
      gap:23px;
      padding:0 0 28px;
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{
      content:"";
      position:absolute;
      left:-34px;
      top:5px;
      width:14px;height:14px;
      border:4px solid var(--bg);
      border-radius:50%;
      background:var(--blue);
      box-shadow:0 0 0 1px #b9cbed;
    }
    .date-block strong{display:block;color:var(--blue-dark);font-size:16px}
    .date-block small{display:block;color:#8a96a7;font-size:12px;margin-top:2px}
    .event-card{
      padding:21px 23px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow-sm);
    }
    .event-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px}
    .event-card h3{font-size:18px;margin:0}
    .event-card p{color:var(--muted);font-size:13px;margin:0}
    .score-line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:13px;color:#52647c;font-size:13px}
    .score{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.05em}
    .static-label{color:#8a96a7;font-size:11px}
    .stream-section{background:#edf3ff}
    .stream-layout{
      display:grid;
      grid-template-columns:1.24fr .76fr;
      gap:22px;
      align-items:stretch;
    }
    .stream-card{
      padding:28px 30px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .stream-card h2{font-size:28px}
    .stream-card>p{color:var(--muted);max-width:680px}
    .stream-list{margin-top:22px;border-top:1px solid var(--line)}
    .stream-row{
      display:grid;
      grid-template-columns:82px 1fr auto;
      gap:17px;
      align-items:center;
      padding:17px 0;
      border-bottom:1px solid var(--line);
    }
    .stream-time{font-weight:700;color:var(--blue-dark)}
    .stream-row strong{display:block}
    .stream-row small{color:var(--muted)}
    .side-observe{
      padding:28px;
      background:var(--blue);
      color:#fff;
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .side-observe h3{font-size:24px;margin-bottom:13px}
    .side-observe p{color:#dbe6ff;font-size:14px}
    .observe-metric{
      display:flex;
      justify-content:space-between;
      align-items:end;
      padding:16px 0;
      border-bottom:1px solid rgba(255,255,255,.2);
    }
    .observe-metric:last-of-type{border-bottom:0}
    .observe-metric span{font-size:13px;color:#dbe6ff}
    .observe-metric b{font-size:22px}
    .note-box{
      margin-top:22px;
      padding:15px 17px;
      border-left:3px solid var(--warm);
      background:#fff8ee;
      color:#73552e;
      border-radius:0 10px 10px 0;
      font-size:13px;
    }
    .feature-wide{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:30px;
      align-items:stretch;
      padding:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .feature-wide img{width:100%;height:100%;min-height:290px;object-fit:cover}
    .feature-content{padding:34px 34px 30px}
    .feature-content h2{font-size:29px}
    .feature-content p{color:var(--muted);line-height:1.95}
    .feature-content ul{list-style:none;padding:0;margin:20px 0}
    .feature-content li{padding:9px 0 9px 22px;border-bottom:1px solid #edf1f5;position:relative;color:#52647c}
    .feature-content li:before{content:"";position:absolute;left:1px;top:19px;width:8px;height:8px;border-radius:50%;background:var(--cyan)}
    .horizontal-data{
      display:flex;
      gap:14px;
      overflow-x:auto;
      padding:5px 3px 14px;
      scrollbar-color:#b9cbed transparent;
    }
    .data-chip{
      min-width:205px;
      padding:18px 19px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:15px;
      box-shadow:var(--shadow-sm);
    }
    .data-chip small{display:block;color:#8995a8;font-size:11px;margin-bottom:5px}
    .data-chip strong{display:block;font-size:17px;margin-bottom:5px}
    .data-chip span{font-size:12px;color:var(--muted)}
    .review-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .review-card{
      padding:27px;
      background:#f8faff;
      border:1px solid var(--line);
      border-radius:18px;
    }
    .review-card h3{font-size:20px;margin-bottom:10px}
    .review-card p{color:var(--muted);margin-bottom:0;line-height:1.9}
    .review-card .badge{margin-bottom:15px}
    .faq-section{padding-top:70px}
    .faq-grid{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:54px;
      align-items:start;
    }
    .faq-intro p{color:var(--muted);line-height:1.9}
    .faq-list{display:grid;gap:11px}
    details{
      background:#fff;
      border:1px solid var(--line);
      border-radius:13px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:17px 20px;
      cursor:pointer;
      font-weight:700;
      list-style:none;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:20px;font-weight:400}
    details[open] summary{color:var(--blue-dark);background:#f5f8ff}
    details[open] summary:after{content:"－"}
    details p{padding:0 20px 18px;margin:0;color:var(--muted);font-size:14px;line-height:1.85}
    .cta{
      margin:18px auto 82px;
      padding:42px 48px;
      background:#173b9b;
      border-radius:22px;
      color:#fff;
      box-shadow:var(--shadow);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
    }
    .cta h2{font-size:29px;margin-bottom:10px}
    .cta p{margin:0;color:#dbe6ff;max-width:650px}
    .cta .btn{background:#fff;color:var(--blue-dark);white-space:nowrap}
    .cta .btn:hover{background:#eaf0ff;color:var(--blue-dark)}
    .footer{
      padding:47px 0 22px;
      background:#152443;
      color:#c8d3e8;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:32px;
      padding-bottom:37px;
    }
    .footer .brand{color:#fff;padding:0 0 10px}
    .footer p{max-width:285px;color:#9eacc5;font-size:13px;line-height:1.8}
    .footer h3{margin:3px 0 13px;color:#fff;font-size:15px}
    .footer-grid>div>a:not(.brand){display:block;padding:3px 0;color:#aebbd0;font-size:13px}
    .footer-grid>div>a:not(.brand):hover{color:#fff}
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      gap:12px 25px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.14);
      color:#95a4bd;
      font-size:12px;
    }
    .footer-bottom a{margin-left:15px;color:#b8c7de}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){
      :root{--side:225px}
      .container{width:min(100% - 42px,900px)}
      .banner-grid{grid-template-columns:1fr 310px;gap:28px}
      .intro-layout,.faq-grid{gap:30px}
      .feature-wide{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .sidebar{
        transform:translateX(-105%);
        transition:transform .25s ease;
        width:286px;
        box-shadow:12px 0 35px rgba(17,43,89,.18);
      }
      .sidebar.open{transform:translateX(0)}
      .mobile-bar{display:flex}
      .main{margin-left:0}
      .container{width:calc(100% - 36px)}
      section{padding:57px 0}
      .inner-banner{min-height:auto;padding:52px 0 48px}
      .banner-grid,.intro-layout,.stream-layout,.feature-wide,.faq-grid{grid-template-columns:1fr}
      .banner-card{max-width:500px}
      h1{font-size:39px}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .feature-wide img{height:250px;min-height:0}
      .cta{display:block;padding:31px 25px;margin-bottom:57px}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .container{width:calc(100% - 28px)}
      .mobile-bar{padding:0 14px}
      .mobile-bar .brand{font-size:18px;padding:0}
      .mobile-bar .brand-mark{width:34px;height:34px}
      h1{font-size:33px}
      h2{font-size:27px}
      .lead{font-size:15px}
      .hero-actions{align-items:stretch;flex-direction:column}
      .hero-actions .btn{width:100%}
      .status-strip{padding:15px 14px;gap:8px 15px}
      .key-points,.review-grid{grid-template-columns:1fr}
      .timeline{padding-left:19px}
      .timeline-item{grid-template-columns:1fr;gap:4px;padding-bottom:25px}
      .timeline-item:before{left:-27px}
      .date-block small{display:inline;margin-left:8px}
      .event-top{align-items:flex-start;flex-direction:column}
      .stream-row{grid-template-columns:65px 1fr;gap:10px}
      .stream-row .badge{grid-column:2}
      .feature-content{padding:25px 21px}
      .footer-grid{grid-template-columns:1fr;gap:23px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
      .footer-bottom a:first-child{margin-left:0}
    }
    @media print{
      .sidebar,.mobile-bar,.cta{display:none!important}
      .main{margin:0}
      section{padding:30px 0}
      .inner-banner{background:#fff}
      .inner-banner:before{display:none}
      .footer{background:#fff;color:#222;border-top:1px solid #ddd}
      .footer h3,.footer .brand{color:#222}
    }

/* roulang page: category7 */
:root{
 --blue:#2457d6;--blue-dark:#173b9b;--blue-soft:#eaf0ff;--cyan:#159b9b;
 --ink:#17243b;--muted:#68758b;--paper:#fff;--bg:#f5f8fc;--line:#dfe7f2;
 --warm:#f3a34b;--danger:#c66b4c;--radius:18px;
 --shadow:0 14px 36px rgba(29,60,115,.09);--shadow-sm:0 7px 20px rgba(29,60,115,.07);
 --side:225px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--blue)}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid rgba(36,87,214,.35);outline-offset:3px}
.container{width:min(1190px,calc(100% - 64px));margin:auto}
.shell-nav{position:fixed;z-index:20;left:0;top:0;width:var(--side);height:100vh;padding:27px 17px 20px;background:#fff;border-right:1px solid var(--line);box-shadow:8px 0 26px rgba(29,60,115,.04);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 28px;font-weight:800;font-size:21px;color:var(--blue-dark)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(36,87,214,.23)}
.nav-label{padding:9px 12px 6px;color:#99a5b7;font-size:11px;letter-spacing:.12em}
.nav-list{list-style:none;padding:0;margin:0}
.nav-list a{display:flex;align-items:center;gap:11px;margin:4px 0;padding:10px 12px;border-radius:11px;color:#53627a;font-size:14px}
.nav-list a:hover{background:#f0f4fb;color:var(--blue)}
.nav-list a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 3px 0 var(--blue)}
.nav-icon{width:22px;text-align:center;color:#8b9ab0;font-size:16px}
.nav-list a.active .nav-icon{color:var(--blue)}
.side-note{margin-top:auto;padding:16px 13px;border:1px solid var(--line);border-radius:14px;background:#f7faff;color:var(--muted);font-size:12px}
.side-note strong{display:block;color:var(--blue-dark);font-size:13px;margin-bottom:4px}
.mobile-bar{display:none}
main{margin-left:var(--side);min-height:100vh}
.hero{position:relative;min-height:480px;padding:78px 0 55px;overflow:hidden;background:#eef4ff url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,255,.98),rgba(246,249,255,.86) 54%,rgba(246,249,255,.35))}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr .86fr;align-items:center;gap:58px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;margin-bottom:15px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--blue)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin-bottom:20px}
h2{font-size:32px;line-height:1.35;letter-spacing:-.025em;margin-bottom:12px}
h3{line-height:1.4}
.hero-copy{max-width:625px;color:#53627a;font-size:17px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:27px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.22s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-text{color:var(--blue);padding:0 4px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;color:#627087;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points b{color:var(--blue);font-size:17px}
.video-card{position:relative;min-height:290px;padding:25px;border-radius:22px;background:rgba(255,255,255,.92) url('/assets/images/coverpic/cover-7.webp') center/cover;border:1px solid rgba(214,225,242,.9);box-shadow:var(--shadow);overflow:hidden}
.video-card:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(20,53,125,.12),rgba(20,53,125,.68))}
.video-content{position:absolute;z-index:1;left:25px;right:25px;bottom:22px;color:#fff}
.play{width:58px;height:58px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:24px;margin-bottom:80px;box-shadow:0 8px 22px rgba(0,0,0,.16)}
.video-content small{opacity:.8}
.video-content h3{font-size:21px;margin:5px 0}
.status-strip{background:#fff;border-bottom:1px solid var(--line);padding:18px 0}
.status-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.status-inner span{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan)}
section{padding:74px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head p{max-width:590px;color:var(--muted);margin-bottom:0}
.topic-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:24px}
.topic-intro{padding:31px;background:var(--blue);color:#fff;border-radius:20px;box-shadow:var(--shadow)}
.topic-intro p{color:#dbe6ff}
.topic-intro .btn{margin-top:20px;background:#fff;color:var(--blue-dark)}
.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.topic-item{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);transition:.22s ease}
.topic-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.topic-item h3{margin:10px 0 6px;font-size:18px}
.topic-item p{color:var(--muted);font-size:13px;margin-bottom:0}
.badge{display:inline-block;padding:4px 9px;border-radius:6px;background:#dfe9ff;color:var(--blue-dark);font-size:11px;font-weight:700}
.badge.green{background:#dff4ee;color:#187d71}
.badge.orange{background:#fff0dc;color:#a65d18}
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.faq-side{padding:30px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.faq-side img{width:100%;height:190px;object-fit:cover;border-radius:13px;margin-bottom:22px}
.faq-side p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
details{background:#fff;border-bottom:1px solid var(--line);padding:0 20px}
summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:700;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--blue);font-size:20px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);padding:0 28px 20px 0;margin:0;font-size:14px}
.feedback-section{background:#edf3ff}
.feedback-layout{display:grid;grid-template-columns:.84fr 1.16fr;gap:25px}
.feedback-copy{padding:32px 0}
.feedback-copy p{color:var(--muted);max-width:490px}
.feedback-points{list-style:none;padding:0;margin:22px 0}
.feedback-points li{padding:10px 0;border-bottom:1px solid #dce6f4;color:#53627a}
.feedback-points li:before{content:"✓";color:var(--cyan);font-weight:800;margin-right:10px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:29px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:700;color:var(--ink)}
input,textarea,select{width:100%;border:1px solid #d5dfed;border-radius:10px;padding:12px 13px;background:#fbfdff;color:var(--ink);transition:.2s}
textarea{min-height:125px;resize:vertical}
input::placeholder,textarea::placeholder{color:#a6b0bf}
input:hover,textarea:hover,select:hover{border-color:#aebfda}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(36,87,214,.1);background:#fff}
.form-note{font-size:12px;color:var(--muted);margin:15px 0}
.form-message{display:none;color:#187d71;font-size:13px;margin-top:12px}
.form-message.show{display:block}
.related{padding-top:65px}
.related-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.related-main{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:21px;background:#fff;border:1px solid var(--line);border-radius:17px}
.related-main img{width:180px;height:130px;object-fit:cover;border-radius:12px}
.related-main h3{margin:3px 0 8px}
.related-main p,.related-links li{color:var(--muted);font-size:13px}
.related-links{padding:20px 24px;background:#f0f5ff;border:1px solid #dce7fb;border-radius:17px}
.related-links ul{list-style:none;padding:0;margin:8px 0 0}
.related-links li{padding:9px 0;border-bottom:1px solid #dae5f6}
.related-links li:last-child{border:0}
.cta{margin:0 0 70px;padding:38px 42px;border-radius:21px;background:var(--blue);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:var(--shadow)}
.cta h2{margin-bottom:6px}
.cta p{color:#dbe6ff;margin-bottom:0}
.cta .btn{background:#fff;color:var(--blue-dark);white-space:nowrap}
.footer{margin-left:var(--side);background:#17243b;color:#b9c5d8;padding:48px 0 20px}
.footer .brand{color:#fff;padding:0 0 10px}
.footer .brand-mark{background:#3669e0}
.footer p{font-size:13px;max-width:270px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer h3{color:#fff;font-size:14px;margin:3px 0 12px}
.footer-grid>div>a:not(.brand){display:block;font-size:13px;padding:3px 0;color:#b9c5d8}
.footer-grid>div>a:hover,.footer-bottom a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;font-size:12px}
.footer-bottom a{margin-left:15px}
@media(max-width:1024px){
 .shell-nav{display:none}
 .mobile-bar{display:flex;position:sticky;z-index:30;top:0;height:68px;padding:0 22px;background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between}
 .mobile-bar .brand{padding:0;font-size:19px}
 .menu-btn{width:42px;height:40px;border-radius:9px;background:var(--blue-soft);color:var(--blue);font-size:22px}
 main,.footer{margin-left:0}
 .container{width:min(100% - 44px,800px)}
}
@media(max-width:768px){
 section{padding:55px 0}
 .hero{min-height:auto;padding:55px 0 42px}
 .hero-grid,.topic-layout,.faq-layout,.feedback-layout,.related-grid{grid-template-columns:1fr}
 .video-card{min-height:260px}
 .section-head{display:block}
 .section-head p{margin-top:12px}
 .topic-list{grid-template-columns:1fr 1fr}
 .form-grid{grid-template-columns:1fr}
 .field.full{grid-column:auto}
 .related-main{grid-template-columns:120px 1fr}
 .related-main img{width:120px;height:105px}
 .cta{display:block;padding:29px 25px}
 .cta .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .container{width:calc(100% - 32px)}
 h1{font-size:36px}
 h2{font-size:27px}
 .hero-copy{font-size:15px}
 .topic-list{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .hero-points{display:block}
 .hero-points span{margin:7px 0}
 .related-main{grid-template-columns:1fr}
 .related-main img{width:100%;height:155px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{display:block}
 .footer-bottom span{display:block;margin:8px 0}
}
@media print{
 .shell-nav,.mobile-bar,.hero-actions,.form-card,.footer{display:none}
 main{margin:0}.hero{background:#fff;padding:30px 0}.hero:before{display:none}
}