/* roulang page: index */
:root{
      --blue:#315d8f;
      --blue-deep:#23486f;
      --blue-soft:#eaf3fb;
      --green:#6d927e;
      --green-soft:#edf5ef;
      --ink:#1f3144;
      --muted:#6f8092;
      --line:#dbe5ed;
      --paper:#fbfcfd;
      --white:#ffffff;
      --shadow:0 16px 42px rgba(37,73,108,.09);
      --shadow-sm:0 8px 22px rgba(37,73,108,.07);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .brand-row{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line)}
    .brand-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:13px;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:40px;height:40px;border-radius:13px;background:var(--blue);display:grid;place-items:center;color:#fff;box-shadow:0 7px 15px rgba(49,93,143,.2)}
    .brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.08em}
    .brand strong{font-size:17px}
    .tools{display:flex;align-items:center;gap:10px;color:var(--muted)}
    .tool-btn{height:38px;padding:0 13px;border:1px solid var(--line);background:#fff;border-radius:10px;display:flex;align-items:center;gap:7px;transition:.2s}
    .tool-btn:hover{border-color:#a9bfd2;color:var(--blue);transform:translateY(-1px)}
    .tool-btn:focus,.nav-item:focus,.btn:focus,.faq-question:focus{outline:3px solid rgba(49,93,143,.22);outline-offset:2px}
    .icon-nav{background:#fff;border-bottom:1px solid var(--line)}
    .nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:12px 0}
    .nav-item{display:flex;align-items:center;justify-content:center;gap:9px;padding:11px 12px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .nav-item:hover{background:var(--blue-soft);color:var(--blue)}
    .nav-item.active{background:var(--blue-soft);color:var(--blue)}
    .nav-icon{width:19px;height:19px}
    .hero{padding:56px 0 68px;background:linear-gradient(135deg,#edf6fc 0%,#f8fbfd 58%,#eff7f0 100%);border-bottom:1px solid var(--line)}
    .hero-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--green);display:block}
    h1{font-size:clamp(35px,5vw,62px);line-height:1.18;letter-spacing:-.045em;margin:17px 0 22px;max-width:720px}
    .hero-copy{font-size:17px;color:#587086;max-width:620px;margin:0 0 28px}
    .actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:11px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--blue);color:white;box-shadow:0 8px 18px rgba(49,93,143,.2)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .btn-primary:active{transform:translateY(0);background:#1d3d60}
    .btn-secondary{background:#fff;color:var(--blue);border-color:#c9d9e6}
    .btn-secondary:hover{border-color:var(--blue);background:#f7fbfe}
    .hero-panel{background:rgba(255,255,255,.82);border:1px solid #d5e4ed;border-radius:24px;padding:23px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-panel:after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;right:-62px;bottom:-75px;background:#dceee1}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}
    .panel-title{font-weight:800}
    .status{font-size:12px;color:var(--green);display:flex;align-items:center;gap:6px}
    .status i{width:7px;height:7px;background:#78a587;border-radius:50%;display:block}
    .index-list{display:grid;gap:12px}
    .index-item{display:flex;align-items:center;gap:12px;background:#f7fafc;border:1px solid #e6eef3;border-radius:13px;padding:12px}
    .index-num{width:28px;height:28px;border-radius:8px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-weight:800;font-size:12px}
    .index-item strong{font-size:14px;display:block}
    .index-item span{font-size:12px;color:var(--muted)}
    .countdown{display:flex;gap:8px;margin-top:20px}
    .time-box{background:#f0f6fa;border-radius:10px;padding:7px 10px;min-width:52px;text-align:center}
    .time-box b{display:block;font-size:19px;color:var(--blue);line-height:1.2}
    .time-box span{font-size:10px;color:var(--muted)}
    .section{padding:88px 0}
    .section.alt{background:#f2f7fa}
    .section-head{max-width:700px;margin-bottom:34px}
    .section-head h2{font-size:clamp(27px,3.3vw,40px);line-height:1.25;letter-spacing:-.03em;margin:12px 0}
    .section-head p{color:var(--muted);margin:0;max-width:650px}
    .pain-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:start}
    .pain-intro{padding-top:18px}
    .pain-intro h3{font-size:25px;line-height:1.4;margin:0 0 14px}
    .pain-intro p{color:var(--muted)}
    .trail{border-left:1px solid #c8d8e4;padding-left:26px;display:grid;gap:23px}
    .trail-item{position:relative;padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-sm)}
    .trail-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--green);left:-32px;top:25px;border:3px solid #f2f7fa}
    .trail-label{font-size:11px;color:var(--green);font-weight:800;letter-spacing:.08em}
    .trail-item h4{margin:3px 0 4px;font-size:17px}
    .trail-item p{margin:0;color:var(--muted);font-size:14px}
    .entry-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .entry-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-sm);transition:.22s;min-height:225px}
    .entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8cede}
    .entry-card.tall{grid-row:span 2;min-height:468px;background:linear-gradient(145deg,#fff 55%,#edf6ef)}
    .entry-icon{width:45px;height:45px;border-radius:13px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;margin-bottom:24px}
    .entry-card h3{font-size:23px;margin:0 0 9px}
    .entry-card p{color:var(--muted);font-size:14px;margin:0 0 20px;max-width:450px}
    .text-link{color:var(--blue);font-weight:800;font-size:14px}
    .text-link span{display:inline-block;transition:.2s}.text-link:hover span{transform:translateX(4px)}
    .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}
    .tag{font-size:12px;padding:5px 10px;background:var(--green-soft);color:#527761;border-radius:7px}
    .milestone{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);padding-top:25px}
    .mile{padding:0 22px;border-left:1px solid var(--line)}
    .mile:first-child{padding-left:0;border-left:0}
    .mile b{font-size:28px;color:var(--blue);display:block;margin-bottom:8px}
    .mile strong{font-size:16px;display:block;margin-bottom:6px}
    .mile p{font-size:13px;color:var(--muted);margin:0}
    .info-layout{display:grid;grid-template-columns:1fr .75fr;gap:30px}
    .info-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 25px;box-shadow:var(--shadow-sm)}
    .info-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid #edf1f4}
    .info-row:last-child{border-bottom:0}
    .info-row h3{font-size:16px;margin:0 0 3px}
    .info-row p{font-size:13px;color:var(--muted);margin:0}
    .info-meta{font-size:11px;color:#8a9baa;white-space:nowrap}
    .quote-card{background:var(--blue);color:#fff;border-radius:var(--radius);padding:30px;position:relative;overflow:hidden}
    .quote-card:before{content:"“";position:absolute;font-size:130px;line-height:1;color:rgba(255,255,255,.12);right:18px;top:2px}
    .quote-card p{font-size:19px;line-height:1.65;position:relative;margin:22px 0 28px}
    .quote-person{display:flex;align-items:center;gap:11px;font-size:13px;color:#dceaf5}
    .avatar{width:35px;height:35px;border-radius:50%;background:#8eaf9a;display:grid;place-items:center;font-weight:800;color:#fff}
    .trust-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .trust{padding:23px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .trust h3{font-size:17px;margin:13px 0 6px}
    .trust p{font-size:13px;color:var(--muted);margin:0}
    .trust .entry-icon{margin:0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-question{width:100%;border:0;background:#fff;padding:18px 20px;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink)}
    .faq-question span:last-child{color:var(--blue);font-size:22px;font-weight:400}
    .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{color:var(--blue)}
    .cta{padding:62px 0;background:linear-gradient(105deg,#eaf4fb,#f0f7ef)}
    .cta-box{border:1px solid #cddfe6;border-radius:24px;padding:37px 44px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:rgba(255,255,255,.45)}
    .cta-box h2{font-size:29px;line-height:1.35;margin:0 0 8px}
    .cta-box p{color:var(--muted);margin:0;font-size:14px}
    footer{background:#20364e;color:#d6e2eb;padding:48px 0 23px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:35px}
    footer .brand{color:#fff}.footer-desc{color:#9fb1c1;font-size:13px;max-width:310px;margin-top:14px}
    .footer-title{font-size:13px;color:#fff;font-weight:800;margin:4px 0 13px}
    .footer-links{display:grid;gap:7px;font-size:13px;color:#aebdca}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#8da1b1;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media (max-width:1024px){.hero-layout{gap:28px}.section{padding:70px 0}.pain-layout,.info-layout,.faq-layout{gap:30px}}
    @media (max-width:768px){.container{width:min(100% - 28px,620px)}.brand-inner{min-height:68px}.tools .tool-btn span{display:none}.tool-btn{width:38px;padding:0;justify-content:center}.nav-grid{display:flex;overflow-x:auto;scrollbar-width:none}.nav-grid::-webkit-scrollbar{display:none}.nav-item{min-width:128px}.hero{padding:42px 0 50px}.hero-layout,.pain-layout,.info-layout,.faq-layout{grid-template-columns:1fr}.hero-panel{margin-top:4px}.entry-grid{grid-template-columns:1fr}.entry-card.tall{grid-row:auto;min-height:260px}.milestone{grid-template-columns:1fr 1fr;gap:24px}.mile:nth-child(3){border-left:0;padding-left:0}.trust-grid{grid-template-columns:1fr}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}}
    @media (max-width:520px){h1{font-size:36px}.hero-copy{font-size:15px}.section{padding:56px 0}.milestone{grid-template-columns:1fr}.mile{border-left:0;padding:0}.mile:nth-child(3){padding:0}.info-row{display:block}.info-meta{display:block;margin-top:7px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: category2 */
:root{
 --blue:#315d8f;--blue-deep:#23486f;--blue-soft:#eaf3fb;--green:#6d927e;--green-soft:#edf5ef;
 --ink:#1f3144;--muted:#6f8092;--line:#dbe5ed;--paper:#fbfcfd;--white:#fff;
 --shadow:0 16px 42px rgba(37,73,108,.09);--shadow-sm:0 8px 22px rgba(37,73,108,.07);
 --radius:20px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.brand-row{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line)}
.brand-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;font-weight:800;letter-spacing:.02em}
.brand-mark{width:40px;height:40px;border-radius:13px;background:var(--blue);display:grid;place-items:center;color:#fff;box-shadow:0 7px 15px rgba(49,93,143,.2);flex:none}
.brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.08em}
.brand strong{font-size:17px}
.tools{display:flex;gap:9px}
.tool-btn{height:38px;padding:0 13px;border:1px solid var(--line);background:#fff;border-radius:10px;display:flex;align-items:center;gap:7px;transition:.2s;color:var(--ink)}
.tool-btn:hover{border-color:#a9bfd2;color:var(--blue);transform:translateY(-1px)}
.tool-btn:focus,.nav-item:focus,.btn:focus,.faq-question:focus,input:focus{outline:3px solid rgba(49,93,143,.22);outline-offset:2px}
.icon-nav{background:#fff;border-bottom:1px solid var(--line)}
.nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:12px 0}
.nav-item{display:flex;align-items:center;justify-content:center;gap:9px;padding:11px 12px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
.nav-item:hover,.nav-item.active{background:var(--blue-soft);color:var(--blue)}
.nav-icon{width:19px;height:19px}
.page-intro{padding:54px 0 42px;background:linear-gradient(135deg,#edf6fc,#fbfcfd 62%,#eff7f0);border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:end}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em}
.eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--green);display:block}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin:15px 0 17px}
.intro-copy{font-size:17px;color:#587086;max-width:650px;margin:0}
.preview-card{background:#fff;border:1px solid #d5e4ed;border-radius:24px;padding:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.preview-card:after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-52px;bottom:-68px;background:#e3f0e5}
.preview-top{display:flex;justify-content:space-between;align-items:center;gap:12px;position:relative;z-index:1}
.preview-label{font-size:12px;color:var(--muted);font-weight:700}
.live-dot{display:inline-flex;align-items:center;gap:6px;color:#527761;font-size:12px;font-weight:700}
.live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
.preview-title{font-size:21px;font-weight:800;margin:20px 0 7px;position:relative;z-index:1}
.preview-text{font-size:13px;color:var(--muted);margin:0 0 20px;position:relative;z-index:1}
.countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;position:relative;z-index:1}
.time-box{background:#f4f8fb;border:1px solid #e3edf3;border-radius:12px;text-align:center;padding:9px}
.time-box strong{display:block;color:var(--blue);font-size:22px;line-height:1.2}
.time-box span{font-size:11px;color:var(--muted)}
.remind-form{display:flex;gap:8px;margin-top:17px;position:relative;z-index:1}
.remind-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:10px;padding:9px 11px;font-size:13px;background:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:11px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(49,93,143,.2)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);background:#1d3d60}
.btn-secondary{background:#fff;color:var(--blue);border-color:#c9d9e6}
.btn-secondary:hover{border-color:var(--blue);background:#f7fbfe}
.section{padding:78px 0}
.section.alt{background:#f2f7fa}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:clamp(27px,3.3vw,40px);line-height:1.25;letter-spacing:-.03em;margin:11px 0 0}
.section-head p{color:var(--muted);margin:0;max-width:440px}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px;padding:14px 17px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-sm)}
.filter-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;padding:5px 10px;background:var(--green-soft);color:#527761;border-radius:7px}
.tag.active{background:var(--blue);color:#fff}
.filter-note{color:var(--muted);font-size:12px;white-space:nowrap}
.feature-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
.reading-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.22s;min-height:214px}
.reading-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8cede}
.reading-card.featured{grid-row:span 2;min-height:448px;background:linear-gradient(145deg,#fff 54%,#edf6ef)}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#8a9baa;font-size:12px}
.card-icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);margin:20px 0 17px}
.reading-card h3{font-size:21px;line-height:1.4;margin:0 0 8px}
.reading-card p{font-size:14px;color:var(--muted);margin:0 0 20px;max-width:500px}
.text-link{color:var(--blue);font-weight:800;font-size:14px}
.text-link span{display:inline-block;transition:.2s}
.text-link:hover span{transform:translateX(4px)}
.detail-band{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px;align-items:start}
.side-note{padding:23px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
.side-note h3{font-size:18px;margin:0 0 8px}
.side-note p{font-size:14px;color:var(--muted);margin:0}
.info-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 25px;box-shadow:var(--shadow-sm)}
.info-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 0;border-bottom:1px solid #edf1f4}
.info-row:last-child{border-bottom:0}
.info-row h3{font-size:16px;margin:0 0 3px}
.info-row p{font-size:13px;color:var(--muted);margin:0}
.info-meta{font-size:11px;color:#8a9baa;white-space:nowrap}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
.faq-question{width:100%;border:0;background:#fff;padding:18px 20px;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:18px;color:var(--ink);font-weight:800}
.faq-question span:last-child{color:var(--blue);font-size:21px;font-weight:400;transition:.2s}
.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:34px 40px;border:1px solid #cfe0e8;border-radius:24px;background:linear-gradient(105deg,#eaf4fb,#f0f7ef);display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{font-size:28px;line-height:1.35;margin:0 0 8px}
.cta p{color:var(--muted);margin:0;max-width:650px;font-size:14px}
footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:40px}
.footer-desc{color:var(--muted);font-size:13px;max-width:330px;margin:16px 0 0}
.footer-title{font-size:13px;font-weight:800;margin-bottom:13px}
.footer-links{display:grid;gap:8px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #edf1f4;margin-top:35px;padding-top:18px;color:#8a9baa;font-size:12px}
.empty-state{padding:22px;text-align:center;background:#f7fafc;border:1px dashed #cbdbe5;border-radius:14px;color:var(--muted);font-size:13px;margin-top:18px}
@media(max-width:1024px){.intro-grid,.feature-grid,.detail-band{grid-template-columns:1fr;gap:28px}.preview-card{max-width:620px}.faq-layout{gap:30px}}
@media(max-width:768px){.container{width:min(100% - 28px,620px)}.brand-inner{min-height:70px}.brand strong{font-size:15px}.tools .tool-btn span{display:none}.tool-btn{width:38px;padding:0;justify-content:center}.nav-grid{display:flex;overflow-x:auto;scrollbar-width:none;padding:9px 0}.nav-grid::-webkit-scrollbar{display:none}.nav-item{min-width:112px}.page-intro{padding:40px 0 32px}h1{font-size:38px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:13px}.faq-layout{grid-template-columns:1fr}.cta{display:block;padding:28px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
@media(max-width:520px){.container{width:calc(100% - 24px)}h1{font-size:32px}.intro-copy{font-size:15px}.remind-form{display:block}.remind-form input{width:100%;margin-bottom:9px}.remind-form .btn{width:100%}.filter-bar{display:block}.filter-note{display:block;margin-top:10px}.reading-card.featured{min-height:310px}.reading-card{min-height:190px;padding:21px}.info-list{padding:5px 16px}.info-row{display:block}.info-meta{display:block;margin-top:7px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}

/* roulang page: category1 */
:root{
      --blue:#315d8f;
      --blue-deep:#23486f;
      --blue-soft:#eaf3fb;
      --green:#6d927e;
      --green-soft:#edf5ef;
      --ink:#1f3144;
      --muted:#6f8092;
      --line:#dbe5ed;
      --paper:#fbfcfd;
      --white:#fff;
      --shadow:0 16px 42px rgba(37,73,108,.09);
      --shadow-sm:0 8px 22px rgba(37,73,108,.07);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .brand-row{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line)}
    .brand-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:13px;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:40px;height:40px;border-radius:13px;background:var(--blue);display:grid;place-items:center;color:#fff;box-shadow:0 7px 15px rgba(49,93,143,.2)}
    .brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.08em}
    .brand strong{font-size:17px}
    .tools{display:flex;gap:9px}
    .tool-btn{height:38px;padding:0 13px;border:1px solid var(--line);background:#fff;border-radius:10px;display:flex;align-items:center;gap:7px;transition:.2s;color:var(--ink)}
    .tool-btn:hover{border-color:#a9bfd2;color:var(--blue);transform:translateY(-1px)}
    .tool-btn:focus,.nav-item:focus,.btn:focus,.faq-question:focus,.filter-btn:focus,input:focus{outline:3px solid rgba(49,93,143,.22);outline-offset:2px}
    .icon-nav{background:#fff;border-bottom:1px solid var(--line)}
    .nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:12px 0}
    .nav-item{display:flex;align-items:center;justify-content:center;gap:9px;padding:11px 12px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .nav-item:hover,.nav-item.active{background:var(--blue-soft);color:var(--blue)}
    .nav-icon{width:19px;height:19px}
    .page-intro{padding:62px 0 46px;background:linear-gradient(135deg,#edf6fc 0%,#f8fbfd 62%,#eff7f0 100%);border-bottom:1px solid var(--line)}
    .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--green);display:block}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,60px);line-height:1.16;letter-spacing:-.045em;margin:15px 0 18px;max-width:720px}
    .intro-copy{font-size:17px;color:#587086;max-width:680px;margin:0}
    .summary-panel{background:rgba(255,255,255,.84);border:1px solid #d5e4ed;border-radius:22px;padding:24px;box-shadow:var(--shadow-sm)}
    .summary-title{font-size:14px;font-weight:800;margin-bottom:17px}
    .summary-line{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid #e7eef3;font-size:13px}
    .summary-line:last-child{border-bottom:0;padding-bottom:0}
    .summary-line span{color:var(--muted)}
    .summary-line strong{color:var(--blue)}
    .section{padding:76px 0}
    .section.alt{background:#f2f7fa}
    .section-head{max-width:720px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3.3vw,40px);line-height:1.25;letter-spacing:-.03em;margin:12px 0}
    .section-head p{color:var(--muted);margin:0}
    .filter-layout{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:start}
    .filter-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow-sm);position:sticky;top:20px}
    .filter-box h3{font-size:16px;margin-bottom:16px}
    .filter-list{display:grid;gap:8px}
    .filter-btn{border:1px solid transparent;background:#f5f8fa;border-radius:10px;padding:10px 12px;text-align:left;color:var(--muted);font-size:13px;transition:.2s}
    .filter-btn:hover,.filter-btn.active{background:var(--blue-soft);border-color:#c5d8e7;color:var(--blue);font-weight:700}
    .filter-note{border-top:1px solid var(--line);margin-top:20px;padding-top:16px;color:var(--muted);font-size:12px}
    .content-stack{display:grid;gap:14px}
    .guide-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:23px 25px;display:grid;grid-template-columns:1fr auto;gap:24px;box-shadow:var(--shadow-sm);transition:.22s}
    .guide-card:hover{transform:translateY(-3px);border-color:#b8cede;box-shadow:var(--shadow)}
    .guide-card h3{font-size:19px;margin:8px 0 7px}
    .guide-card p{color:var(--muted);font-size:14px;max-width:650px;margin-bottom:13px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px}
    .tag{font-size:12px;padding:4px 10px;background:var(--green-soft);color:#527761;border-radius:7px}
    .card-meta{display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;min-width:105px;color:#8a9baa;font-size:11px}
    .text-link{color:var(--blue);font-weight:800;font-size:14px;white-space:nowrap}
    .text-link span{display:inline-block;transition:.2s}
    .text-link:hover span{transform:translateX(4px)}
    .topic-band{display:grid;grid-template-columns:1fr 1.35fr;gap:24px;align-items:stretch}
    .topic-lead{background:var(--blue);color:#fff;border-radius:22px;padding:30px;position:relative;overflow:hidden}
    .topic-lead:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-70px;bottom:-100px;background:rgba(194,226,204,.22)}
    .topic-lead h2{font-size:27px;line-height:1.3;margin:12px 0}
    .topic-lead p{color:#dceaf5;font-size:14px;margin-bottom:0;position:relative;z-index:1}
    .keyword-cloud{background:#fff;border:1px solid var(--line);border-radius:22px;padding:27px;box-shadow:var(--shadow-sm)}
    .keyword-cloud h3{font-size:17px;margin-bottom:18px}
    .cloud-items{display:flex;flex-wrap:wrap;gap:10px}
    .cloud-item{border:1px solid #d7e5eb;border-radius:10px;padding:8px 13px;color:#567286;background:#f8fbfc;font-size:13px;transition:.2s}
    .cloud-item:hover{color:var(--blue);border-color:#aac5d8;background:var(--blue-soft)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:23px 22px;border-right:1px solid var(--line)}
    .step:last-child{border-right:0}
    .step-num{color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}
    .step h3{font-size:16px;margin:10px 0 5px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-question{width:100%;border:0;background:#fff;padding:18px 20px;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:800}
    .faq-question .plus{color:var(--blue);font-size:23px;font-weight:400;line-height:1;transition:.2s}
    .faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .plus{transform:rotate(45deg)}
    .cta{padding:30px 0 82px}
    .cta-panel{background:linear-gradient(110deg,#eaf3fb,#eff7f0);border:1px solid #d3e3e9;border-radius:24px;padding:39px 44px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-panel h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin:0 0 8px}
    .cta-panel p{color:var(--muted);font-size:14px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:11px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--blue);color:white;box-shadow:0 8px 18px rgba(49,93,143,.2)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .btn-primary:active{transform:translateY(0);background:#1d3d60}
    .btn-secondary{background:#fff;color:var(--blue);border-color:#c9d9e6}
    .btn-secondary:hover{border-color:var(--blue);background:#f7fbfe}
    footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr;gap:45px}
    .footer-desc{color:var(--muted);font-size:13px;max-width:330px;margin:18px 0 0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:13px}
    .footer-links{display:grid;gap:7px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue)}
    .footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#8a9baa;font-size:12px}
    @media(max-width:1024px){
      .intro-grid{gap:30px}
      .filter-layout{grid-template-columns:210px 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,680px)}
      .brand-inner{min-height:70px}
      .brand strong{font-size:15px}
      .tool-btn span{display:none}
      .tool-btn{width:39px;justify-content:center;padding:0}
      .nav-grid{display:flex;overflow-x:auto;padding:10px 0;scrollbar-width:none}
      .nav-grid::-webkit-scrollbar{display:none}
      .nav-item{min-width:145px}
      .intro-grid,.topic-band,.faq-layout{grid-template-columns:1fr}
      .page-intro{padding:45px 0 38px}
      .section{padding:58px 0}
      .filter-layout{grid-template-columns:1fr}
      .filter-box{position:static}
      .filter-list{display:flex;overflow-x:auto;padding-bottom:3px}
      .filter-btn{white-space:nowrap}
      .steps{grid-template-columns:1fr 1fr;border-top:0}
      .step{border-top:1px solid var(--line);min-height:145px}
      .step:nth-child(2){border-right:0}
      .cta-panel{align-items:flex-start;flex-direction:column;padding:30px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:4px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      h1{font-size:36px}
      .intro-copy{font-size:15px}
      .guide-card{grid-template-columns:1fr;gap:15px;padding:20px}
      .card-meta{align-items:flex-start;flex-direction:row}
      .steps{grid-template-columns:1fr}
      .step,.step:nth-child(2){border-right:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .cta-panel .btn{width:100%}
    }