/* roulang page: index */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}a{color:var(--brand);text-decoration:none;transition:.2s ease}a:hover{color:var(--brand-deep)}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}.brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}.brand-mark:before{width:13px;height:4px;left:6px;top:7px}.brand-mark:after{width:8px;height:4px;left:10px;top:15px}
    .desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}.desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px 10px;border-radius:9px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}.desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}.desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px}.mobile-nav{display:none;padding:0 24px 18px}.mobile-nav.is-open{display:block}.mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}
    .hero{padding:42px 0 55px;background:linear-gradient(180deg,#f8fafb 0%,#eef5f8 100%)}.hero-paper{min-height:585px;overflow:hidden;position:relative;border-radius:var(--radius-lg);background:#dce8ed url('/assets/images/backpic/back-1.webp') center/cover no-repeat;box-shadow:var(--shadow-lg)}.hero-paper:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,250,251,.96) 0%,rgba(245,250,251,.88) 47%,rgba(23,61,89,.18) 100%)}.hero-inner{position:relative;z-index:1;padding:55px;min-height:585px;display:flex;align-items:center}.hero-copy{max-width:635px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}h1,h2,h3,p{margin-top:0}h1{font-size:56px;line-height:1.2;letter-spacing:-.04em;margin:16px 0 20px;color:var(--ink)}h2{font-size:35px;line-height:1.32;letter-spacing:-.025em;margin-bottom:13px}h3{font-size:21px;line-height:1.45;margin-bottom:10px}.lead{font-size:18px;color:#466174;max-width:650px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}.button{margin:0;border-radius:11px;background:var(--brand);font-weight:700;padding:14px 20px;line-height:1.25;transition:.2s ease}.button:hover,.button:focus{background:var(--brand-deep);transform:translateY(-2px)}.button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand)}.button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}.button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}.hero-meta{display:flex;flex-wrap:wrap;gap:10px}.hero-meta span,.tag{border:1px solid #cddde4;background:rgba(255,255,255,.76);border-radius:999px;padding:6px 10px;color:#466174;font-size:13px}
    .section{padding:82px 0}.section-tint{background:var(--surface-tint)}.section-warm{background:var(--warm)}.section-dark{background:var(--brand-deep);color:#ecf5f8}.section-dark h2,.section-dark h3{color:#fff}.intro{max-width:790px;color:var(--ink-soft);font-size:17px}.section-head{margin-bottom:30px}.number{font-size:13px;font-weight:800;letter-spacing:.15em;color:var(--accent);display:block;margin-bottom:9px}.download-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm)}.form-grid{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:18px}.form-grid input,.footer-form input,.contact-form input,.contact-form textarea,.contact-form select{width:100%;border:1px solid #c9d9e0;border-radius:10px;background:#fbfdfe;padding:12px 14px;color:var(--ink);box-shadow:none}.form-grid input:focus,.footer-form input:focus,.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--accent)}.small-note{font-size:13px;color:var(--ink-soft);margin:12px 0 0}.notice{display:none;margin-top:13px;padding:10px 13px;border-radius:9px;background:#e4f2ec;color:#23604c;font-size:14px}.notice.show{display:block}
    .benefit-ladder{display:grid;grid-template-columns:1.05fr .95fr .8fr;gap:18px;align-items:stretch}.ladder-item{background:#fff;padding:28px;border-radius:var(--radius-md);border:1px solid var(--line);box-shadow:var(--shadow-sm);position:relative}.ladder-item.featured{background:var(--brand);color:#fff;transform:translateY(-10px)}.ladder-item.featured h3{color:#fff}.ladder-item.featured p{color:#dcecf1}.ladder-step{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.12em}.featured .ladder-step{color:#bde1df}.ladder-item p{color:var(--ink-soft);font-size:15px}.text-link{font-weight:750;display:inline-flex;gap:6px;align-items:center;border-bottom:1px solid currentColor}.text-link:after{content:"→";transition:.2s}.text-link:hover:after{transform:translateX(4px)}
    .feature-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:20px}.feature-main,.feature-side,.feature-strip{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}.feature-main{display:grid;grid-template-columns:1.05fr .95fr}.feature-main img{width:100%;height:100%;min-height:300px;object-fit:cover}.feature-copy{padding:30px}.feature-side{padding:26px;margin-bottom:20px}.feature-side p{font-size:15px;color:var(--ink-soft)}.feature-strip{padding:22px;margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.mini-list{padding:0;margin:18px 0;list-style:none}.mini-list li{padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}.mini-list li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:9px;vertical-align:middle}
    .compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;border-bottom:1px solid var(--line)}.compare-row:last-child{border:0}.compare-row>div{padding:17px 19px;border-right:1px solid var(--line);font-size:14px}.compare-row>div:last-child{border:0}.compare-row.head{background:#edf5f7;font-weight:800;color:var(--brand-deep)}.yes{color:#26756c;font-weight:800}.limited{color:#927149;font-weight:700}
    .assurance{padding:30px;border-radius:var(--radius-lg);background:#dcecef url('/assets/images/backpic/back-2.webp') center/cover;position:relative;overflow:hidden}.assurance:before{content:"";position:absolute;inset:0;background:rgba(236,247,248,.88)}.assurance>*{position:relative}.assurance-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:18px;align-items:center}.assurance p{margin:0;color:#466174;font-size:14px}.assure-icon{display:block;color:var(--brand);font-size:13px;font-weight:800;margin-bottom:6px}
    .scene-layout{display:grid;grid-template-columns:31% 1fr;gap:55px}.scene-sticky{align-self:start;position:sticky;top:110px}.scene-list{display:grid;gap:22px}.scene-row{padding:26px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:100px 1fr;gap:23px;box-shadow:var(--shadow-sm)}.scene-row:nth-child(even){margin-left:54px;background:#f7fbfc}.scene-num{font-size:38px;line-height:1;color:#9bb6c4;font-weight:800}.scene-row p{color:var(--ink-soft);margin-bottom:10px}.scene-detail{font-size:14px;color:var(--brand);font-weight:700}
    .case-main{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg)}.case-main img{width:100%;height:100%;min-height:360px;object-fit:cover}.case-copy{padding:38px}.case-copy p{color:var(--ink-soft)}.case-subgrid{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;margin-top:20px}.case-note,.timeline{padding:27px;border-radius:var(--radius-md);border:1px solid var(--line);background:#fff}.case-note{background:#e8f2f3}.timeline-item{display:grid;grid-template-columns:92px 1fr;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}.timeline-item:last-child{border:0}.timeline-item strong{color:var(--brand);font-size:14px}.timeline-item p{font-size:14px;color:var(--ink-soft);margin:0}
    .brand-story{display:grid;grid-template-columns:22% 1fr;gap:42px;border-top:1px solid var(--line);padding-top:20px}.brand-story .big-no{font-size:90px;line-height:1;color:#b9d1da;font-weight:800}.brand-copy{max-width:800px}.brand-copy p{color:var(--ink-soft)}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.principle{border-left:3px solid var(--accent);padding:4px 0 4px 14px;font-size:14px;color:var(--ink-soft)}
    .plans{display:grid;grid-template-columns:.8fr 1.2fr .8fr;gap:19px;align-items:center}.plan{padding:27px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}.plan.recommended{padding:35px;background:var(--brand-deep);color:#fff;box-shadow:var(--shadow-lg)}.plan.recommended h3{color:#fff}.plan.recommended p,.plan.recommended li{color:#dcebf0}.plan .plan-label{font-size:13px;color:var(--accent);font-weight:800}.plan.recommended .plan-label{color:#abd9d7}.plan p{color:var(--ink-soft);font-size:14px}.plan ul{list-style:none;margin:17px 0;padding:0}.plan li{padding:7px 0;border-bottom:1px solid #e0eaee;font-size:14px}.recommended li{border-color:rgba(255,255,255,.16)}.plan li:before{content:"✓";margin-right:8px;color:var(--accent);font-weight:800}.plan .button{width:100%;margin-top:10px}.plan.recommended .button{background:#fff;color:var(--brand-deep)}.choice-note{margin-top:22px;background:#edf4f6;border-left:4px solid var(--accent);padding:17px 20px;color:#466174}
    .news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}.news-item{padding:20px 0;border-bottom:1px solid var(--line)}.news-item:first-child{padding-top:0}.news-date{font-size:13px;color:var(--accent);font-weight:800;letter-spacing:.05em}.news-item h3{font-size:20px;margin:6px 0}.news-item p{font-size:14px;color:var(--ink-soft);margin-bottom:9px}.news-feature{padding:30px;border-radius:var(--radius-lg);background:var(--brand-deep) url('/assets/images/coverpic/cover-5.webp') center/cover;position:relative;overflow:hidden;color:#fff;min-height:365px;display:flex;align-items:end}.news-feature:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(17,45,66,.94),rgba(17,45,66,.16))}.news-feature>div{position:relative}.news-feature h3{font-size:27px;color:#fff}.news-feature p{color:#dfebef}.news-feature .text-link{color:#c9e7e5}
    .resource-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.resource-image{border-radius:var(--radius-lg);min-height:330px;background:url('/assets/images/coverpic/cover-8.webp') center/cover;position:relative;overflow:hidden}.resource-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,45,66,.72),rgba(20,45,66,.08))}.resource-label{position:absolute;z-index:1;left:28px;bottom:25px;color:#fff;max-width:310px}.resource-label h3{color:#fff}.resource-list{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);padding:20px}.resource-list a{display:block;padding:16px 5px;border-bottom:1px solid var(--line);font-weight:700}.resource-list a:last-child{border:0}
    .milestone{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #9bbdc8;margin-top:30px}.milestone div{position:relative;padding:23px 22px 0 0}.milestone div:before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;background:var(--accent)}.milestone strong{display:block;font-size:15px;color:#fff;margin-bottom:6px}.milestone p{font-size:14px;color:#c4d8df;margin:0}
    .faq-wrap{max-width:920px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden}.faq-q{width:100%;border:0;background:#fff;color:var(--ink);text-align:left;padding:18px 20px;font-weight:750;display:flex;justify-content:space-between;gap:18px}.faq-q span:last-child{color:var(--brand);font-size:22px;line-height:1}.faq-a{display:none;padding:0 20px 19px;color:var(--ink-soft);font-size:15px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q{color:var(--brand-deep)}
    .limited{padding:0 0 82px;background:var(--surface)}.limited-box{padding:35px 40px;border-radius:var(--radius-lg);background:#173d59 url('/assets/images/backpic/back-3.webp') center/cover;position:relative;overflow:hidden;color:#fff}.limited-box:before{content:"";position:absolute;inset:0;background:rgba(20,48,70,.86)}.limited-box>*{position:relative}.limited-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.limited-box h2{color:#fff;margin-bottom:8px}.limited-box p{color:#d5e5ea;margin:0}.countdown{display:flex;gap:9px;margin:20px 0}.countdown span{padding:7px 10px;border:1px solid rgba(255,255,255,.34);border-radius:8px;font-size:14px;font-weight:800}.limited .button{background:#fff;color:var(--brand-deep)}
    .site-footer{background:#102c40;color:#c4d4dc;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1.15fr;gap:30px}.site-footer .brand{color:#fff}.footer-title{color:#fff;font-size:15px;font-weight:800;margin:9px 0 12px}.site-footer p,.site-footer a{font-size:14px;color:#b8cbd4}.site-footer a{display:block;margin:7px 0}.site-footer a:hover{color:#fff}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#193a50;border-color:#31546a;color:#fff;padding:10px}.footer-form .button{padding:10px 13px;white-space:nowrap}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:37px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer-bottom a{display:inline;margin:0 5px;color:#d9e9ee}
    @media(max-width:1024px){.desktop-nav a{padding:9px 6px;font-size:13px}.hero-inner{padding:42px}.benefit-ladder,.plans{grid-template-columns:1fr 1fr}.ladder-item.featured{transform:none}.ladder-item:last-child{grid-column:span 2}.plan.recommended{order:-1;grid-column:span 2}.scene-layout{gap:30px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){.desktop-nav{display:none}.menu-toggle{display:block}.hero{padding:22px 0 38px}.hero-paper,.hero-inner{min-height:520px}.hero-inner{padding:32px 25px}.hero-paper:after{background:rgba(245,250,251,.9)}h1{font-size:39px}h2{font-size:29px}.section{padding:59px 0}.feature-layout,.news-layout,.resource-grid,.scene-layout,.case-main,.brand-story{grid-template-columns:1fr}.feature-main{grid-template-columns:1fr}.feature-main img{height:230px;min-height:0}.feature-strip{display:block}.feature-strip .text-link{margin-top:12px}.scene-sticky{position:static}.scene-row:nth-child(even){margin-left:0}.case-main img{min-height:240px}.case-copy{padding:28px}.case-subgrid{grid-template-columns:1fr}.brand-story .big-no{font-size:62px}.principles{grid-template-columns:1fr}.assurance-grid{grid-template-columns:1fr 1fr}.milestone{grid-template-columns:1fr 1fr;gap:13px}.milestone div{padding-top:19px}.limited-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.compare-wrap{overflow:auto}.compare-row{min-width:660px}.compare-row>div{font-size:13px}.form-grid{grid-template-columns:1fr}.form-grid .button{width:100%}}
    @media(max-width:520px){.grid-container{padding-left:17px;padding-right:17px}.topbar{min-height:66px}.brand{font-size:20px}.hero-paper,.hero-inner{min-height:545px}.hero-inner{padding:26px 21px}h1{font-size:34px}.lead{font-size:16px}.hero-actions,.hero-actions .button{width:100%}.benefit-ladder,.plans{grid-template-columns:1fr}.ladder-item:last-child,.plan.recommended{grid-column:auto}.feature-copy,.feature-side{padding:23px}.scene-row{grid-template-columns:1fr;gap:10px;padding:21px}.scene-num{font-size:28px}.section-head{margin-bottom:23px}.assurance-grid,.milestone,.footer-grid{grid-template-columns:1fr}.limited-box{padding:28px 22px}.footer-form{flex-direction:column}.footer-form .button{width:100%}.footer-bottom{font-size:13px}.case-copy{padding:24px}.news-feature{min-height:295px;padding:24px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category3 */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}a{color:var(--brand);text-decoration:none;transition:.2s ease}a:hover{color:var(--brand-deep)}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}.brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}.brand-mark:before{width:13px;height:4px;left:6px;top:7px}.brand-mark:after{width:8px;height:4px;left:10px;top:15px}.desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}.desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px 10px;border-radius:9px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}.desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}.desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px}.mobile-nav{display:none;padding:0 24px 18px}.mobile-nav.is-open{display:block}.mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}
a:focus,button:focus,input:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}.button{display:inline-flex;align-items:center;justify-content:center;margin:0;border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:700;padding:14px 20px;line-height:1.25;transition:.2s ease}.button:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}.button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand}.button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}.section{padding:76px 0}.section-tint{background:var(--surface-tint)}.section-warm{background:var(--warm)}h1,h2,h3,p{margin-top:0}h1{font-size:52px;line-height:1.22;letter-spacing:-.04em}h2{font-size:34px;line-height:1.35;letter-spacing:-.025em}h3{font-size:21px;line-height:1.45}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}.lead{font-size:18px;color:#466174;max-width:730px}.tag{display:inline-block;border:1px solid #cddde4;background:rgba(255,255,255,.8);border-radius:999px;padding:5px 10px;color:#466174;font-size:13px}.text-link{font-weight:750;display:inline-flex;gap:6px;align-items:center;border-bottom:1px solid currentColor}.text-link:after{content:"→";transition:.2s}.text-link:hover:after{transform:translateX(4px)}
.breadcrumb{padding:20px 0 8px;font-size:14px;color:var(--ink-soft)}.breadcrumb span{margin:0 7px;color:#94a7b1}.creator-hero{padding:20px 0 68px;background:linear-gradient(180deg,#f8fafb 0%,#eaf3f6 100%)}.profile-sheet{position:relative;overflow:hidden;border-radius:var(--radius-lg);min-height:475px;padding:46px;background:#d6e6ec url('/assets/images/backpic/back-2.webp') center/cover;box-shadow:var(--shadow-lg)}.profile-sheet:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(248,251,252,.96),rgba(248,251,252,.85) 54%,rgba(23,61,89,.25))}.profile-content{position:relative;z-index:1;max-width:770px}.profile-top{display:flex;align-items:center;gap:18px;margin-bottom:28px}.avatar{width:78px;height:78px;border:4px solid #fff;border-radius:50%;background:var(--brand-deep);color:#fff;display:grid;place-items:center;font-size:28px;font-weight:800;box-shadow:var(--shadow-sm)}.profile-name strong{display:block;font-size:23px}.profile-name span{color:var(--ink-soft);font-size:14px}.follow{margin-left:auto}.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.hero-badges div{background:rgba(255,255,255,.82);border:1px solid #d1e0e5;border-radius:12px;padding:10px 15px;min-width:120px}.hero-badges b{display:block;font-size:17px;color:var(--brand-deep)}.hero-badges small{color:var(--ink-soft)}
.scene-nav{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;display:flex;gap:7px;overflow:auto;box-shadow:var(--shadow-sm)}.scene-nav a{flex:0 0 auto;padding:9px 14px;border-radius:9px;color:var(--ink-soft);font-weight:700;font-size:14px}.scene-nav a:hover{background:var(--accent-pale);color:var(--brand-deep)}.intro-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:54px}.intro-aside{border-top:3px solid var(--accent);padding-top:18px}.intro-aside p{color:var(--ink-soft)}.rule-list{padding:0;list-style:none;margin:22px 0}.rule-list li{padding:13px 0;border-bottom:1px solid var(--line)}.rule-list b{display:inline-grid;place-items:center;width:27px;height:27px;margin-right:10px;border-radius:50%;background:var(--accent-pale);color:var(--brand);font-size:13px}
.story{display:grid;align-items:center;gap:42px;margin:30px 0 0}.story.split{grid-template-columns:1fr 1fr}.story.reverse{grid-template-columns:1.1fr .9fr}.story-photo{border-radius:var(--radius-lg);overflow:hidden;min-height:330px;box-shadow:var(--shadow-sm)}.story-photo img{width:100%;height:100%;min-height:330px;object-fit:cover}.story-copy{padding:20px 5px}.story-copy p{color:var(--ink-soft)}.number{font-weight:800;color:var(--accent);font-size:14px;letter-spacing:.12em}.check-list{list-style:none;padding:0;margin:20px 0}.check-list li{padding:9px 0;color:#35566c}.check-list li:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:10px}
.full-story{position:relative;overflow:hidden;border-radius:var(--radius-lg);min-height:470px;background:url('/assets/images/backpic/back-3.webp') center/cover;box-shadow:var(--shadow-lg)}.floating-copy{position:absolute;right:32px;bottom:32px;max-width:570px;padding:31px;background:rgba(255,255,255,.94);border-radius:18px;border:1px solid #d9e6ea}.floating-copy p{color:var(--ink-soft)}
.matrix{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px;align-items:start}.matrix-intro{background:var(--brand-deep);color:#e4f1f5;border-radius:var(--radius-lg);padding:32px}.matrix-intro h2{color:#fff}.matrix-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.matrix-card{background:#fff;border:1px solid var(--line);padding:23px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:.2s}.matrix-card:hover{transform:translateY(-5px);border-color:#98bac8;box-shadow:var(--shadow-lg)}.matrix-card p{margin:8px 0 0;color:var(--ink-soft);font-size:14px}.matrix-card .tag{margin-top:14px;background:var(--surface-tint)}
.quote-box{border-left:4px solid var(--accent);padding:20px 25px;background:#fff;border-radius:0 16px 16px 0;color:#34566b;font-size:18px}.case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.case-main,.case-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.case-main{display:grid;grid-template-columns:1fr 1fr}.case-main img{height:100%;width:100%;object-fit:cover}.case-copy,.case-side{padding:28px}.case-copy p,.case-side p{color:var(--ink-soft)}.case-side{margin-bottom:20px}.accordion-item{border-bottom:1px solid var(--line)}.faq-button{width:100%;background:none;border:0;padding:20px 0;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}.faq-button:after{content:"+";font-size:24px;color:var(--accent)}.faq-answer{display:none;padding:0 0 20px;color:var(--ink-soft)}.faq-answer.open{display:block}.cta-band{border-radius:var(--radius-lg);padding:40px;background:var(--brand-deep);color:#e1eef2;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-band h2{color:#fff;margin-bottom:9px}.cta-band p{margin:0;max-width:680px}.cta-band .button{background:var(--accent);white-space:nowrap}.cta-band .button:hover{background:#4b8583}
.site-footer{background:#102c40;color:#b9cbd4;padding:58px 0 20px}.site-footer .brand{color:#fff}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1.05fr;gap:35px}.site-footer p{font-size:14px;line-height:1.75}.footer-title{color:#fff;font-weight:800;margin-bottom:13px}.site-footer a:not(.brand){display:block;color:#c3d5dd;font-size:14px;margin:7px 0}.site-footer a:hover{color:#fff}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;width:100%;border:1px solid #406176;background:#17394f;color:#fff;border-radius:9px;padding:10px}.footer-form .button{padding:10px 14px}.small-note{font-size:12px}.notice{display:none;margin-top:9px;font-size:13px;color:#a9dbd7}.notice.show{display:block}.footer-bottom{margin-top:42px;padding-top:18px;border-top:1px solid #315066;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px}.footer-bottom a{display:inline!important;margin:0!important}
@media(max-width:1100px){.desktop-nav a{padding:9px 7px;font-size:13px}.profile-sheet{padding:35px}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:820px){.desktop-nav{display:none}.menu-toggle{display:block}h1{font-size:40px}.section{padding:58px 0}.intro-layout,.matrix,.case-grid{grid-template-columns:1fr}.story.split,.story.reverse,.case-main{grid-template-columns:1fr}.story-photo{min-height:260px}.floating-copy{position:relative;right:auto;bottom:auto;margin:220px 18px 18px}.matrix-cards{grid-template-columns:1fr 1fr}}@media(max-width:560px){.grid-container{padding-left:18px;padding-right:18px}.topbar{min-height:66px}.brand{font-size:21px}.profile-sheet{padding:26px 21px;min-height:500px}.profile-top{align-items:flex-start}.follow{display:none}h1{font-size:34px}.lead{font-size:16px}.hero-badges div{min-width:calc(50% - 5px);padding:8px}.story{gap:15px}.story-copy{padding:12px 0}.matrix-cards{grid-template-columns:1fr}.cta-band{display:block;padding:29px}.cta-band .button{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.footer-form{display:grid;grid-template-columns:1fr}.footer-form .button{width:100%}.footer-bottom{display:block}.footer-bottom div{margin:8px 0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}a{color:var(--brand);text-decoration:none;transition:.2s ease}a:hover{color:var(--brand-deep)}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}.brand:hover{color:var(--brand-deep)}.brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}.brand-mark:before{width:13px;height:4px;left:6px;top:7px}.brand-mark:after{width:8px;height:4px;left:10px;top:15px}.desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}.desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px;border-radius:9px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}.desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}.desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px}.mobile-nav{display:none;padding:0 24px 18px}.mobile-nav.is-open{display:block}.mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}.mobile-nav a.active{color:var(--brand-deep)}
a:focus,button:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}.section{padding:76px 0}.section-tint{background:var(--surface-tint)}.section-warm{background:var(--warm)}.section-dark{background:var(--brand-deep);color:#ecf5f8}.section-dark h2,.section-dark h3{color:#fff}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}h1,h2,h3{margin:0 0 16px;color:var(--ink);line-height:1.28;letter-spacing:.01em}h1{font-size:50px;font-weight:800}h2{font-size:34px;font-weight:800}h3{font-size:21px;font-weight:800}p{margin:0 0 17px;color:var(--ink-soft)}.lead{font-size:18px;max-width:780px;color:#466174}.button{display:inline-flex;justify-content:center;align-items:center;margin:0;border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:700;padding:14px 20px;line-height:1.25;transition:.2s ease}.button:hover,.button:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}.button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand)}.button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}.tag{display:inline-flex;border:1px solid #cddde4;background:rgba(255,255,255,.78);border-radius:999px;padding:6px 11px;color:#466174;font-size:13px;margin:0 7px 8px 0}.tag.accent{background:var(--accent-pale);border-color:#bddbda;color:#2d7271}.text-link{font-weight:750;display:inline-flex;gap:6px;align-items:center;border-bottom:1px solid currentColor}.text-link:after{content:"→";transition:.2s}.text-link:hover:after{transform:translateX(4px)}
.breadcrumb{font-size:14px;color:var(--ink-soft);padding:21px 0 0}.breadcrumb a{color:var(--ink-soft)}.breadcrumb span{padding:0 8px;color:#91a5b1}.page-hero{padding:30px 0 55px;background:linear-gradient(180deg,#f8fafb 0%,#eaf3f6 100%)}.page-hero-wrap{min-height:390px;overflow:hidden;position:relative;border-radius:var(--radius-lg);background:#dae8ed url('/assets/images/backpic/back-2.webp') center/cover no-repeat;box-shadow:var(--shadow-lg)}.page-hero-wrap:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(248,251,252,.96) 0%,rgba(248,251,252,.89) 53%,rgba(23,61,89,.20) 100%)}.page-hero-copy{position:relative;z-index:1;max-width:720px;padding:56px}.page-hero-copy h1{max-width:620px}.hero-note{margin-top:22px;padding:13px 16px;border-left:3px solid var(--accent);background:rgba(255,255,255,.72);color:#496475;font-size:14px}
.overview-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;align-items:start}.side-index{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm)}.side-index h3{font-size:18px;margin-bottom:14px}.side-index a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-weight:650;font-size:14px}.side-index a:last-child{border:0}.side-index a:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:9px;background:var(--accent)}.content-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.content-top p{max-width:610px;margin:0}.feature-story{overflow:hidden;border:1px solid var(--line);background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1.08fr .92fr;margin-bottom:22px}.feature-story img{height:100%;min-height:315px;width:100%;object-fit:cover}.story-copy{padding:31px}.story-copy .meta,.article-meta{font-size:13px;color:#688190;letter-spacing:.03em}.story-copy p{font-size:15px}.content-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.content-card{border:1px solid var(--line);background:#fff;border-radius:var(--radius-md);padding:23px;box-shadow:var(--shadow-sm);transition:.22s ease}.content-card:hover{border-color:#9ab9ca;box-shadow:var(--shadow-lg);transform:translateY(-5px)}.content-card img{width:100%;height:160px;object-fit:cover;border-radius:11px;margin:-2px 0 18px}.content-card h3{font-size:20px}.content-card p{font-size:14px}.card-footer{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:17px;font-size:13px}
.reading-band{border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);padding:42px;box-shadow:var(--shadow-sm)}.reading-band .grid-x{gap:38px}.reading-band .cell{min-width:0}.prose{max-width:800px}.prose p{font-size:16px;line-height:1.95}.prose strong{color:var(--ink)}.quote-box{padding:25px;border-radius:var(--radius-md);background:var(--accent-pale);border-left:4px solid var(--accent);color:#315a64;font-weight:650;margin:23px 0}.check-list{list-style:none;padding:0;margin:0}.check-list li{padding:12px 0;border-bottom:1px solid var(--line);color:#486373}.check-list li:last-child{border:0}.check-list li:before{content:"";display:inline-block;width:18px;height:18px;border-radius:50%;background:var(--brand);vertical-align:-4px;margin-right:10px;box-shadow:inset 0 0 0 5px #dcebf0}
.path-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}.path-intro{padding:34px;border-radius:var(--radius-lg);background:var(--brand);color:#fff}.path-intro h2,.path-intro p{color:#fff}.path-intro p{opacity:.88}.path-list{display:grid;gap:13px}.path-item{display:grid;grid-template-columns:56px 1fr;gap:17px;align-items:start;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.path-no{font-size:19px;font-weight:800;color:var(--accent);padding-top:2px}.path-item h3{font-size:18px;margin:0 0 7px}.path-item p{font-size:14px;margin:0}
.topic-strip{display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.topic-strip img{width:100%;height:100%;min-height:300px;object-fit:cover}.topic-strip .copy{padding:39px}.topic-strip ul{padding-left:20px;color:var(--ink-soft)}.topic-strip li{margin-bottom:8px}
.accordion{margin:0;background:transparent}.accordion-item{border:1px solid var(--line);border-radius:13px;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}.accordion-title{display:block;border:0;color:var(--ink);font-weight:750;font-size:17px;padding:18px 52px 18px 20px;position:relative}.accordion-title:before{content:"+";right:20px;top:14px;font-size:25px;color:var(--brand)}.accordion-title:hover,.accordion-title:focus{background:#f1f7f8;color:var(--brand-deep)}.accordion-content{border:0;padding:0 20px 20px;background:#fff}.accordion-content p{margin:0;font-size:15px}
.download-card{border-radius:var(--radius-lg);padding:38px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.form-grid{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:20px}.form-grid input,.footer-form input{width:100%;border:1px solid #c9d9e0;border-radius:10px;background:#fbfdfe;padding:12px 14px;color:var(--ink);box-shadow:none}.notice{display:none;margin-top:12px;color:#236d69;font-size:14px}.notice.show{display:block}
.site-footer{background:#132f45;color:#c9d9e1;padding:58px 0 22px}.site-footer .brand{color:#fff}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .85fr 1.15fr;gap:35px}.site-footer p{color:#b7c9d2;font-size:14px;line-height:1.75}.footer-title{font-weight:800;color:#fff;margin-bottom:13px}.site-footer a:not(.brand){display:block;color:#bfd2dc;font-size:14px;padding:4px 0}.site-footer a:hover{color:#fff}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#23445a;border-color:#416378;color:#fff}.footer-form .button{padding:11px 14px;white-space:nowrap}.small-note{font-size:12px}.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(185,211,223,.2);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:13px;color:#a8bec9}.footer-bottom a{display:inline!important;padding:0!important}
@media(max-width:1100px){.desktop-nav a{padding:9px 7px;font-size:13px}.overview-grid{grid-template-columns:230px 1fr}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:span 3}}@media(max-width:860px){h1{font-size:40px}h2{font-size:30px}.desktop-nav{display:none}.menu-toggle{display:block}.page-hero-copy{padding:42px}.overview-grid{grid-template-columns:1fr}.side-index{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,1fr);gap:0}.side-index h3{grid-column:span 2}.feature-story,.topic-strip{grid-template-columns:1fr}.feature-story img{max-height:290px}.path-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:span 2}}@media(max-width:640px){body{font-size:15px}.grid-container{padding-left:18px;padding-right:18px}.topbar{min-height:66px}.brand{font-size:21px}.section{padding:55px 0}.breadcrumb{padding-top:15px}.page-hero{padding-bottom:35px}.page-hero-wrap{min-height:0}.page-hero-wrap:after{background:rgba(248,251,252,.91)}.page-hero-copy{padding:34px 25px}h1{font-size:34px}h2{font-size:27px}h3{font-size:19px}.lead{font-size:16px}.content-top{display:block}.content-cards{grid-template-columns:1fr}.feature-story{margin-bottom:16px}.feature-story img{min-height:200px}.story-copy,.topic-strip .copy{padding:25px}.side-index{grid-template-columns:1fr;padding:20px}.side-index h3{grid-column:auto}.reading-band{padding:25px}.path-intro{padding:25px}.path-item{grid-template-columns:42px 1fr;padding:17px}.form-grid{grid-template-columns:1fr}.form-grid .button{width:100%}.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.footer-form{display:block}.footer-form .button{width:100%;margin-top:9px}.footer-bottom{display:block}.footer-bottom div{margin-bottom:7px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}
    a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease}
    a:hover{color:var(--brand-deep)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:52px;line-height:1.2;letter-spacing:-.045em;margin-bottom:22px;color:var(--ink)}
    h2{font-size:35px;line-height:1.3;letter-spacing:-.03em;margin-bottom:14px;color:var(--ink)}
    h3{font-size:21px;line-height:1.45;margin-bottom:10px;color:var(--ink)}
    .grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}
    .brand:hover{color:var(--brand-deep)}
    .brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}
    .brand-mark:before{width:13px;height:4px;left:6px;top:7px}
    .brand-mark:after{width:8px;height:4px;left:10px;top:15px}
    .desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}
    .desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px 10px;border-radius:9px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}
    .desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}
    .desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px;font-weight:700}
    .mobile-nav{display:none;padding:0 24px 18px}
    .mobile-nav.is-open{display:block}
    .mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}
    .mobile-nav a.active{color:var(--brand-deep)}
    .breadcrumb{padding:22px 0 0;font-size:14px;color:var(--ink-soft)}
    .breadcrumb a{border-bottom:1px solid transparent}
    .breadcrumb a:hover{border-color:currentColor}
    .breadcrumb span{margin:0 8px;color:#92a7b2}
    .page-hero{padding:26px 0 64px;background:linear-gradient(180deg,#f8fafb 0%,#edf5f7 100%)}
    .hero-panel{overflow:hidden;position:relative;min-height:410px;border-radius:var(--radius-lg);background:#dce8ed url('/assets/images/backpic/back-2.webp') center/cover no-repeat;box-shadow:var(--shadow-lg)}
    .hero-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,251,252,.97) 0%,rgba(247,251,252,.89) 48%,rgba(23,61,89,.24) 100%)}
    .hero-copy{position:relative;z-index:1;max-width:720px;padding:58px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}
    .lead{max-width:680px;font-size:18px;color:#466174;margin-bottom:24px}
    .hero-tags,.tag-row{display:flex;flex-wrap:wrap;gap:9px}
    .hero-tags span,.tag{border:1px solid #cddde4;background:rgba(255,255,255,.82);border-radius:999px;padding:6px 11px;color:#466174;font-size:13px}
    .button{display:inline-flex;justify-content:center;align-items:center;margin:0;border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:700;padding:14px 20px;line-height:1.25;transition:.2s ease}
    .button:hover,.button:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}
    .button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand)}
    .button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}
    .button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}
    .section{padding:80px 0}
    .section-tint{background:var(--surface-tint)}
    .section-warm{background:var(--warm)}
    .section-dark{background:var(--brand-deep);color:#ecf5f8}
    .section-dark h2,.section-dark h3{color:#fff}
    .section-head{max-width:760px;margin-bottom:32px}
    .section-head p{color:var(--ink-soft);font-size:17px;margin-bottom:0}
    .reading-layout{display:grid;grid-template-columns:275px minmax(0,1fr);gap:52px;align-items:start}
    .chapter-nav{position:sticky;top:102px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-sm)}
    .chapter-nav strong{display:block;font-size:14px;color:var(--brand-deep);padding:0 10px 9px}
    .chapter-nav a{display:block;padding:10px;border-radius:9px;font-size:14px;color:var(--ink-soft)}
    .chapter-nav a:hover{color:var(--brand-deep);background:var(--surface-tint)}
    .article-content{max-width:790px}
    .article-content p{color:#3e5c6f;margin-bottom:22px}
    .article-content h2{padding-top:10px;margin-top:38px}
    .article-content h3{margin-top:25px}
    .intro-note{background:#fff;border-left:4px solid var(--accent);padding:24px 25px;border-radius:0 var(--radius-md) var(--radius-md) 0;box-shadow:var(--shadow-sm);margin:30px 0}
    .intro-note p{margin:0;color:var(--ink)}
    .number-list{list-style:none;padding:0;margin:25px 0}
    .number-list li{position:relative;padding:0 0 22px 53px;color:#3e5c6f}
    .number-list li:before{content:counter(item,decimal-leading-zero);counter-increment:item;position:absolute;left:0;top:1px;color:var(--accent);font-weight:800;font-size:17px;letter-spacing:.04em}
    .number-list{counter-reset:item}
    .diagram{display:grid;grid-template-columns:1fr 56px 1fr 56px 1fr;align-items:center;margin:32px 0 38px}
    .diagram-card{min-height:160px;padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
    .diagram-card b{display:block;color:var(--brand);font-size:13px;letter-spacing:.08em;margin-bottom:8px}
    .diagram-card p{font-size:14px;margin:0;color:var(--ink-soft)}
    .diagram-line{height:1px;background:var(--accent);position:relative}
    .diagram-line:after{content:"";position:absolute;right:0;top:-4px;width:9px;height:9px;border-top:1px solid var(--accent);border-right:1px solid var(--accent);transform:rotate(45deg)}
    .signal-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .signal-card,.method-card,.related-card,.faq-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
    .signal-card{padding:32px}
    .signal-card p,.method-card p,.related-card p{color:var(--ink-soft)}
    .signal-list{list-style:none;padding:0;margin:20px 0 0}
    .signal-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:#3e5c6f}
    .signal-list li:last-child{border-bottom:0}
    .signal-list b{display:inline-block;min-width:100px;color:var(--brand-deep)}
    .scene-feature{display:grid;grid-template-columns:.9fr 1.1fr;overflow:hidden;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg)}
    .scene-feature img{height:100%;min-height:395px;width:100%;object-fit:cover}
    .scene-copy{padding:42px}
    .scene-copy p{color:var(--ink-soft)}
    .check-list{padding:0;margin:25px 0;list-style:none}
    .check-list li{position:relative;padding:8px 0 8px 25px;color:#3e5c6f}
    .check-list li:before{content:"";position:absolute;left:0;top:16px;width:9px;height:5px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
    .method-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}
    .method-card{padding:30px}
    .method-card.accent{background:var(--brand);border-color:var(--brand);color:#fff}
    .method-card.accent h3,.method-card.accent p{color:#fff}
    .method-card.accent p{color:#d8e7ec}
    .mini-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
    .metric{padding:13px 10px;background:#f0f6f7;border-radius:12px;text-align:center}
    .metric b{display:block;font-size:20px;color:var(--brand-deep)}
    .metric span{font-size:12px;color:var(--ink-soft)}
    .related-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px}
    .related-card{overflow:hidden}
    .related-card:hover{transform:translateY(-5px);border-color:#9bbac8;box-shadow:var(--shadow-lg)}
    .related-card img{height:190px;width:100%;object-fit:cover}
    .related-body{padding:23px}
    .related-body p{font-size:14px;margin-bottom:15px}
    .text-link{font-weight:750;display:inline-flex;gap:6px;align-items:center;border-bottom:1px solid currentColor}
    .text-link:after{content:"→";transition:.2s}
    .text-link:hover:after{transform:translateX(4px)}
    .accordion{margin:0;background:transparent}
    .accordion-item{margin-bottom:12px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
    .accordion-title{position:relative;border:0;color:var(--ink);font-size:16px;font-weight:750;padding:19px 54px 19px 21px;background:#fff}
    .accordion-title:hover,.accordion-title:focus{background:#f5f9fa;color:var(--brand-deep)}
    .accordion-title:before{right:22px;color:var(--brand);font-size:21px}
    .accordion-content{border:0;padding:0 21px 20px;color:var(--ink-soft);line-height:1.85}
    .cta-band{border-radius:var(--radius-lg);padding:45px;background:var(--brand-deep) url('/assets/images/backpic/back-3.webp') center/cover;position:relative;overflow:hidden}
    .cta-band:before{content:"";position:absolute;inset:0;background:rgba(18,49,72,.9)}
    .cta-inner{position:relative;display:flex;justify-content:space-between;align-items:end;gap:30px}
    .cta-inner h2{margin-bottom:10px;color:#fff}
    .cta-inner p{max-width:690px;margin:0;color:#d8e7ec}
    .cta-actions{display:flex;flex-wrap:wrap;gap:11px;flex:none}
    .cta-band .button.hollow{border-color:#b8d9d8;color:#fff;background:transparent}
    .cta-band .button.hollow:hover{background:rgba(255,255,255,.1)}
    .site-footer{background:#122d42;color:#c4d5dd;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .9fr 1.1fr;gap:36px}
    .site-footer .brand{color:#fff}
    .site-footer p{font-size:14px;line-height:1.75;color:#b6cad4}
    .footer-title{color:#fff;font-weight:800;margin-bottom:13px}
    .site-footer a:not(.brand){display:block;color:#b6cad4;font-size:14px;padding:4px 0}
    .site-footer a:not(.brand):hover{color:#fff}
    .footer-form{display:flex;gap:8px;margin-top:12px}
    .footer-form input{min-width:0;width:100%;border:1px solid #476276;border-radius:10px;background:#1b3a51;padding:10px 12px;color:#fff;box-shadow:none}
    .footer-form .button{padding:10px 13px;white-space:nowrap}
    .small-note{font-size:12px!important;margin-top:9px}
    .notice{display:none;margin-top:10px;font-size:13px;color:#bde1df}
    .notice.show{display:block}
    .footer-bottom{border-top:1px solid rgba(180,207,219,.2);margin-top:42px;padding-top:19px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:9px;color:#93afbd;font-size:13px}
    .footer-bottom a{display:inline!important;padding:0!important}
    @media(max-width:1120px){.desktop-nav a{padding:9px 7px;font-size:13px}.desktop-nav .nav-cta{padding:9px 12px}.reading-layout{gap:30px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
    @media(max-width:900px){h1{font-size:43px}.desktop-nav{display:none}.menu-toggle{display:block}.hero-copy{padding:44px}.reading-layout{grid-template-columns:1fr}.chapter-nav{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,1fr)}.chapter-nav strong{grid-column:1/-1}.diagram{grid-template-columns:1fr;gap:12px}.diagram-line{height:28px;width:1px;justify-self:center}.diagram-line:after{right:-4px;top:auto;bottom:0;transform:rotate(135deg)}.signal-grid,.method-grid,.scene-feature{grid-template-columns:1fr}.scene-feature img{min-height:260px;max-height:320px}.related-grid{grid-template-columns:1fr 1fr}.related-card:first-child{grid-column:1/-1}.footer-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta-actions{margin-top:23px}}
    @media(max-width:640px){body{font-size:15px}.grid-container{padding-left:18px;padding-right:18px}.topbar{min-height:68px}.brand{font-size:21px}.page-hero{padding-bottom:42px}.hero-panel{min-height:0}.hero-copy{padding:34px 25px}h1{font-size:35px;letter-spacing:-.035em}h2{font-size:29px}.lead{font-size:16px}.section{padding:57px 0}.chapter-nav{display:block;padding:14px}.chapter-nav a{padding:8px 9px}.article-content h2{margin-top:30px}.signal-card,.method-card{padding:24px}.scene-copy{padding:28px 24px}.mini-metrics{grid-template-columns:1fr}.related-grid,.footer-grid{grid-template-columns:1fr}.related-card:first-child{grid-column:auto}.cta-band{padding:31px 24px}.cta-actions{display:grid}.cta-actions .button{width:100%}.footer-form{display:block}.footer-form .button{width:100%;margin-top:8px}.footer-bottom{display:block}.footer-bottom div{margin-bottom:7px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* roulang page: category4 */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease} a:hover{color:var(--brand-deep)} img{max-width:100%;display:block} button,input,textarea,select{font:inherit} button{cursor:pointer}
h1,h2,h3,h4,p{margin-top:0} h1{font-size:clamp(2.35rem,5vw,4.25rem);line-height:1.16;letter-spacing:-.045em;color:var(--brand-deep)} h2{font-size:clamp(1.9rem,3.2vw,2.75rem);line-height:1.28;letter-spacing:-.03em;color:var(--brand-deep)} h3{font-size:1.32rem;line-height:1.45;color:var(--ink)} p{color:var(--ink-soft)}
.grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}
.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}.brand:hover{color:var(--brand-deep)}
.brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}.brand-mark:before{width:13px;height:4px;left:6px;top:7px}.brand-mark:after{width:8px;height:4px;left:10px;top:15px}
.desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}.desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px 10px;border-radius:9px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}.desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}.desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px;font-weight:700}.mobile-nav{display:none;padding:0 24px 18px}.mobile-nav.is-open{display:block}.mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}.mobile-nav a.active{color:var(--brand-deep)}
a:focus,button:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}.section{padding:78px 0}.section-tint{background:var(--surface-tint)}.section-warm{background:var(--warm)}.section-dark{background:var(--brand-deep);color:#edf6f8}.section-dark h2,.section-dark h3{color:#fff}.section-head{max-width:780px;margin-bottom:32px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}.lead{font-size:18px;line-height:1.9;max-width:760px}.tag{display:inline-flex;align-items:center;border:1px solid #cddde4;background:#fff;border-radius:999px;padding:5px 10px;color:#466174;font-size:13px;font-weight:650;margin:0 6px 6px 0}.tag.green{background:var(--accent-pale);border-color:#b8d9d7;color:#356f6d}
.button{display:inline-flex;align-items:center;justify-content:center;margin:0;border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:750;padding:14px 20px;line-height:1.25;transition:.2s ease}.button:hover,.button:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}.button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand)}.button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}.text-link{font-weight:750;display:inline-flex;gap:6px;align-items:center;border-bottom:1px solid currentColor}.text-link:after{content:"→";transition:.2s}.text-link:hover:after{transform:translateX(4px)}
.breadcrumb{padding:19px 0 0;font-size:14px;color:var(--ink-soft)}.breadcrumb a{color:var(--ink-soft)}.breadcrumb span{margin:0 9px;color:#98acb8}
.page-hero{padding:30px 0 54px;background:linear-gradient(180deg,#f8fafb 0%,#eef5f8 100%)}.hero-frame{min-height:420px;padding:48px;display:flex;align-items:flex-end;position:relative;overflow:hidden;border-radius:var(--radius-lg);background:#dce8ed url('/assets/images/backpic/back-2.webp') center/cover no-repeat;box-shadow:var(--shadow-lg)}.hero-frame:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(248,250,251,.97) 0%,rgba(248,250,251,.88) 48%,rgba(23,61,89,.25) 100%)}.hero-content{position:relative;z-index:1;max-width:760px}.hero-content p{font-size:18px;color:#466174}.hero-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.case-feature{display:grid;grid-template-columns:1.08fr .92fr;min-height:520px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.case-feature-image{min-height:360px;background:url('/assets/images/coverpic/cover-8.webp') center/cover no-repeat;position:relative}.case-feature-image:after{content:"专题记录";position:absolute;left:22px;bottom:20px;background:rgba(23,61,89,.9);color:#fff;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700}.case-feature-copy{padding:40px;display:flex;flex-direction:column;justify-content:center}.meta-line{display:flex;flex-wrap:wrap;gap:11px;font-size:13px;color:#607a89;margin-bottom:14px}.meta-line span+span:before{content:"·";margin-right:11px;color:#9aadb7}.case-feature-copy p{font-size:16px}.case-points{list-style:none;padding:0;margin:18px 0}.case-points li{padding:10px 0;border-bottom:1px solid var(--line);color:#405f71}.case-points strong{color:var(--brand-deep);margin-right:7px}
.magazine-grid{display:grid;grid-template-columns:1fr .82fr;gap:24px}.case-split{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:.9fr 1.1fr}.case-split img{height:100%;min-height:350px;object-fit:cover}.case-split-copy{padding:31px}.side-paper{padding:30px;background:var(--brand-deep);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.side-paper h3{color:#fff}.side-paper p{color:#cce0e8}.side-paper .tag{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#d9eef0}
.quote-panel{border-left:4px solid var(--accent);padding:19px 22px;background:#f2f8f8;border-radius:0 var(--radius-md) var(--radius-md) 0;color:#365766;font-size:17px}.quote-panel cite{display:block;margin-top:12px;font-style:normal;font-size:14px;color:#66808d}
.review-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:60px}.review-number{font-size:clamp(4rem,10vw,8rem);line-height:.9;font-weight:850;letter-spacing:-.1em;color:#b9d3dc}.review-copy{max-width:790px}.review-copy p{font-size:17px}.method-list{counter-reset:method;list-style:none;padding:0;margin:27px 0 0}.method-list li{counter-increment:method;position:relative;padding:0 0 24px 58px;color:#456272}.method-list li:before{content:counter(method,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--brand);font-weight:850;font-size:18px}.method-list li:not(:last-child):after{content:"";position:absolute;left:11px;top:31px;width:1px;height:calc(100% - 24px);background:#bfd3dc}.method-list strong{display:block;color:var(--ink);font-size:17px;margin-bottom:4px}
.timeline{position:relative;margin:0;padding:0;list-style:none}.timeline:before{content:"";position:absolute;left:119px;top:8px;bottom:8px;width:1px;background:#c9dce3}.timeline li{display:grid;grid-template-columns:96px 1fr;gap:47px;padding:0 0 28px}.timeline time{font-size:14px;font-weight:800;color:var(--brand);text-align:right}.timeline article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 27px;box-shadow:var(--shadow-sm);position:relative}.timeline article:before{content:"";position:absolute;left:-42px;top:24px;width:12px;height:12px;border:3px solid var(--surface-tint);background:var(--accent);border-radius:50%}.timeline h3{margin-bottom:8px}.timeline p{margin-bottom:12px;font-size:15px}
.resource-strip{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:center;padding:35px 40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.resource-strip p{margin-bottom:0}.resource-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
.accordion-wrap{max-width:930px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:0 5px 15px rgba(25,56,78,.035)}.faq-button{width:100%;text-align:left;border:0;background:#fff;color:var(--ink);padding:20px 54px 20px 22px;font-size:17px;font-weight:750;position:relative}.faq-button:after{content:"+";position:absolute;right:22px;top:17px;color:var(--brand);font-size:25px;font-weight:400}.faq-button[aria-expanded="true"]{background:#f3f8fa;color:var(--brand-deep)}.faq-button[aria-expanded="true"]:after{content:"−"}.faq-answer{display:none;padding:0 22px 20px;background:#f3f8fa}.faq-answer.is-open{display:block}.faq-answer p{margin:0}
.cta-band{padding:44px 48px;border-radius:var(--radius-lg);background:var(--brand-deep) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;position:relative;overflow:hidden}.cta-band:before{content:"";position:absolute;inset:0;background:rgba(20,45,66,.9)}.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-inner h2{color:#fff;margin-bottom:8px}.cta-inner p{color:#c9e0e6;max-width:680px;margin-bottom:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}.cta-actions .button.hollow{background:transparent;border-color:#a8c9d5;color:#fff}.cta-actions .button.hollow:hover{background:rgba(255,255,255,.12)}
.site-footer{background:#112d42;color:#bfd2dc;padding:64px 0 22px}.footer-grid{display:grid;grid-template-columns:1.35fr .85fr .9fr 1.15fr;gap:38px}.site-footer .brand{color:#fff}.site-footer p{color:#bfd2dc;font-size:14px}.footer-title{color:#fff;font-weight:800;margin-bottom:14px}.site-footer a:not(.brand){display:block;color:#bfd2dc;margin:7px 0;font-size:14px}.site-footer a:hover{color:#fff}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;width:100%;border:1px solid #547386;border-radius:10px;background:#18394f;color:#fff;padding:10px 12px}.footer-form .button{padding:10px 14px;white-space:nowrap}.small-note{font-size:12px}.notice{display:none;margin-top:10px;color:#a8d6d0;font-size:13px}.notice.show{display:block}.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(191,210,220,.2);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px}.footer-bottom a{display:inline!important;margin:0!important}
@media(max-width:1120px){.desktop-nav a{padding:9px 7px;font-size:13px}.case-feature-copy{padding:30px}.review-layout{gap:35px}}@media(max-width:900px){.desktop-nav{display:none}.menu-toggle{display:block}.hero-frame{padding:36px;min-height:390px}.case-feature,.magazine-grid,.review-layout,.resource-strip{grid-template-columns:1fr}.case-feature-image{min-height:320px}.review-number{margin-bottom:18px}.footer-grid{grid-template-columns:1fr 1fr}.resource-actions{justify-content:flex-start}}@media(max-width:640px){body{font-size:15px}.grid-container{padding-left:18px;padding-right:18px}.topbar{min-height:67px}.brand{font-size:21px}.section{padding:57px 0}.page-hero{padding-top:18px;padding-bottom:36px}.hero-frame{padding:28px 22px;min-height:430px;align-items:flex-end}.hero-frame:before{background:linear-gradient(180deg,rgba(248,250,251,.91),rgba(248,250,251,.94))}.hero-content p,.lead{font-size:16px}.case-feature-copy,.case-split-copy{padding:24px}.case-split{grid-template-columns:1fr}.case-split img{height:260px;min-height:0}.side-paper{padding:24px}.timeline:before{left:13px}.timeline li{display:block;padding-left:35px}.timeline time{display:block;text-align:left;margin-bottom:8px}.timeline article:before{left:-28px}.resource-strip{padding:27px 23px}.cta-band{padding:32px 23px}.cta-inner{display:block}.cta-actions{margin-top:22px}.cta-actions .button{width:100%}.footer-grid{grid-template-columns:1fr;gap:26px}.footer-form{max-width:430px}.footer-bottom{display:block}.footer-bottom div{margin:7px 0}.faq-button{font-size:16px;padding-left:18px}.faq-answer{padding-left:18px;padding-right:18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category5 */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}h1,h2,h3,h4{margin:0 0 15px;line-height:1.3;color:var(--ink);font-weight:800}h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.04em}h2{font-size:clamp(29px,3.2vw,40px)}h3{font-size:22px}p{margin:0 0 16px;color:var(--ink-soft)}a{color:var(--brand);text-decoration:none;transition:.2s ease}a:hover{color:var(--brand-deep)}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}.brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}.brand-mark:before{width:13px;height:4px;left:6px;top:7px}.brand-mark:after{width:8px;height:4px;left:10px;top:15px}.desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}.desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px;border-radius:9px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}.desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}.desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px}.mobile-nav{display:none;padding:0 24px 18px}.mobile-nav.is-open{display:block}.mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}
.hero{padding:38px 0 48px;background:linear-gradient(180deg,#f8fafb 0%,#eef5f8 100%)}.hero-banner{min-height:430px;border-radius:var(--radius-lg);overflow:hidden;position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;box-shadow:var(--shadow-lg)}.hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,250,251,.98),rgba(245,250,251,.85) 54%,rgba(23,61,89,.15))}.hero-content{position:relative;z-index:1;padding:58px;max-width:720px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}.lead{font-size:18px;color:#466174;max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.button{margin:0;border-radius:11px;background:var(--brand);font-weight:700;padding:14px 20px;line-height:1.25;transition:.2s ease}.button:hover,.button:focus{background:var(--brand-deep);transform:translateY(-2px)}.button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand)}.button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}.tag,.hero-meta span{display:inline-block;border:1px solid #cddde4;background:rgba(255,255,255,.8);border-radius:999px;padding:5px 11px;color:#466174;font-size:13px;margin:3px}.section{padding:78px 0}.section-tint{background:var(--surface-tint)}.section-warm{background:var(--warm)}.section-dark{background:var(--brand-deep);color:#ecf5f8}.section-dark h2,.section-dark h3{color:#fff}.section-head{margin-bottom:30px;max-width:760px}.section-kicker{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.14em;text-transform:uppercase}.crumbs{padding:18px 0 0;color:var(--ink-soft);font-size:14px}.crumbs a{text-decoration:underline;text-underline-offset:4px}
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px}.featured-news{display:grid;grid-template-columns:1fr 1.08fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.featured-news img{width:100%;height:100%;min-height:310px;object-fit:cover}.news-copy{padding:32px}.date{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em}.news-copy h3{font-size:27px}.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:20px}.news-card,.topic-card,.info-card,.download-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);transition:.22s ease}.news-card:hover,.topic-card:hover,.info-card:hover,.download-card:hover{transform:translateY(-5px);border-color:#aacbcf;box-shadow:var(--shadow-lg)}.news-card h3{font-size:20px;margin-top:7px}.news-card p{font-size:15px}.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);height:max-content}.side-panel h3{font-size:19px;border-bottom:1px solid var(--line);padding-bottom:15px}.side-list{list-style:none;padding:0;margin:0}.side-list li{padding:12px 0;border-bottom:1px solid var(--line)}.side-list a{display:flex;justify-content:space-between;gap:10px;font-weight:700}.side-list small{color:var(--ink-soft);font-weight:400}.compact-list{list-style:none;margin:0;padding:0}.compact-list li{padding:15px 0;border-bottom:1px solid var(--line);display:flex;gap:15px}.compact-list li:last-child{border-bottom:0}.compact-list strong{color:var(--brand);min-width:80px;font-size:14px}.topic-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:18px}.topic-card img{width:100%;height:150px;object-fit:cover;border-radius:12px;margin:-24px -24px 20px;width:calc(100% + 48px)}.topic-card.large{grid-row:span 2}.topic-card.large img{height:255px}.quote{border-left:4px solid var(--accent);background:#f0f7f6;padding:22px 24px;color:var(--brand-deep);font-size:18px;margin-top:25px}.timeline{position:relative;margin-top:25px;padding-left:32px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:#c5dcdf}.timeline-item{position:relative;padding:0 0 28px}.timeline-item:before{content:"";position:absolute;left:-32px;top:9px;width:16px;height:16px;background:var(--accent);border:4px solid var(--surface-tint);border-radius:50%}.timeline-item h3{margin-bottom:5px}.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0 26px}.filter-bar button{border:1px solid var(--line);background:#fff;color:var(--ink-soft);border-radius:999px;padding:8px 16px}.filter-bar button.active,.filter-bar button:hover{background:var(--brand);color:#fff;border-color:var(--brand)}.accordion{background:transparent}.accordion-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;overflow:hidden}.accordion-title{border:0!important;color:var(--ink);font-weight:750;padding:18px 22px;background:#fff}.accordion-title:hover{background:#f0f6f8;color:var(--brand-deep)}.accordion-content{border-top:1px solid var(--line)!important;color:var(--ink-soft);padding:18px 22px}.cta-band{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:34px 40px;border-radius:var(--radius-lg);background:#204f6e url('/assets/images/backpic/back-3.webp') center/cover;color:#fff;position:relative;overflow:hidden}.cta-band:after{content:"";position:absolute;inset:0;background:rgba(23,61,89,.78)}.cta-band>*{position:relative;z-index:1}.cta-band p{color:#dcecf1}.cta-band .button.hollow{background:transparent;color:#fff;border-color:#bcd9dc}.download-card{max-width:850px;margin:auto}.form-grid{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:18px}.form-grid input,.footer-form input{width:100%;border:1px solid #c9d9e0;border-radius:10px;background:#fbfdfe;padding:12px 14px;color:var(--ink)}.notice{display:none;margin-top:12px;color:var(--accent);font-size:14px}.notice.show{display:block}
.site-footer{background:var(--brand-deep);color:#d8e7ec;padding:55px 0 20px}.site-footer p{color:#b9cbd2;font-size:14px}.site-footer .brand{color:#fff}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}.footer-title{color:#fff;font-weight:800;margin-bottom:13px}.site-footer a:not(.brand){display:block;color:#b9cbd2;font-size:14px;margin:7px 0}.site-footer a:hover{color:#fff}.footer-form{display:grid;grid-template-columns:1fr auto;gap:8px}.footer-form input{min-width:0}.footer-form .button{padding:12px 14px}.small-note{font-size:12px!important}.footer-bottom{border-top:1px solid rgba(216,231,236,.18);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#b9cbd2}.footer-bottom a{display:inline!important}.button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}
@media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:9px 7px;font-size:13px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card.large{grid-column:span 2;grid-row:auto}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
@media(max-width:768px){.desktop-nav{display:none}.menu-toggle{display:block}.hero-content{padding:38px 28px}.hero-banner{min-height:470px}.news-layout{grid-template-columns:1fr}.featured-news{grid-template-columns:1fr}.featured-news img{height:230px;min-height:0}.news-grid{grid-template-columns:1fr}.section{padding:58px 0}.footer-grid{grid-template-columns:1fr 1fr}.cta-band{display:block;padding:30px}}
@media(max-width:520px){.grid-container{padding-left:18px;padding-right:18px}.hero{padding-top:20px}.hero-content{padding:31px 22px}.hero-actions .button{width:100%;text-align:center}.topic-grid{grid-template-columns:1fr}.topic-card.large{grid-column:auto}.form-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom>div{margin-bottom:8px}.news-copy{padding:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category6 */
:root{--ink:#142d42;--ink-soft:#567082;--brand:#285c80;--brand-deep:#173d59;--accent:#5c9d9b;--accent-pale:#e6f1f0;--surface:#f8fafb;--surface-tint:#eef5f8;--warm:#f6f2ec;--line:#d9e4e9;--white:#fff;--shadow-sm:0 8px 24px rgba(25,56,78,.07);--shadow-lg:0 22px 55px rgba(25,56,78,.14);--radius-md:16px;--radius-lg:24px;--max:1280px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}
    a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease} a:hover{color:var(--brand-deep)} img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit} button{cursor:pointer} h1,h2,h3,p{margin-top:0} h1{font-size:48px;line-height:1.24;letter-spacing:-.04em;margin-bottom:20px} h2{font-size:33px;line-height:1.35;letter-spacing:-.025em;margin-bottom:14px} h3{font-size:21px;line-height:1.45;margin-bottom:10px} p{color:var(--ink-soft)}
    .grid-container{max-width:var(--max);padding-left:24px;padding-right:24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,251,.96);border-bottom:1px solid rgba(217,228,233,.85);backdrop-filter:blur(10px)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:23px;letter-spacing:.05em;white-space:nowrap}.brand:hover{color:var(--brand-deep)}
    .brand-mark{width:29px;height:29px;border:2px solid var(--brand);border-radius:9px;position:relative;transform:rotate(-8deg)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent);border-radius:4px}.brand-mark:before{width:13px;height:4px;left:6px;top:7px}.brand-mark:after{width:8px;height:4px;left:10px;top:15px}
    .desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}.desktop-nav a{font-size:14px;font-weight:650;color:var(--ink-soft);padding:10px;border-radius:9px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{background:#e8f1f5;color:var(--brand-deep)}.desktop-nav .nav-cta{margin-left:8px;background:var(--brand);color:#fff;padding:10px 16px}.desktop-nav .nav-cta:hover{background:var(--brand-deep);color:#fff}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);padding:8px 12px}.mobile-nav{display:none;padding:0 24px 18px}.mobile-nav.is-open{display:block}.mobile-nav a{display:block;border-bottom:1px solid var(--line);padding:12px 2px;font-weight:650}.mobile-nav a.active{color:var(--brand-deep)}
    .button{display:inline-flex;align-items:center;justify-content:center;margin:0;border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:700;padding:14px 20px;line-height:1.25;transition:.2s ease}.button:hover,.button:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}.button.hollow{border:1px solid var(--brand);background:#fff;color:var(--brand)}.button.hollow:hover{background:#e9f2f5;color:var(--brand-deep)}
    .button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(92,157,155,.38);outline-offset:3px}.section{padding:76px 0}.section-tint{background:var(--surface-tint)}.section-warm{background:var(--warm)}.section-dark{background:var(--brand-deep);color:#ecf5f8}.section-dark h2,.section-dark h3{color:#fff}.section-dark p{color:#c6dbe4}
    .breadcrumb{padding:20px 0 0;font-size:14px;color:var(--ink-soft)}.breadcrumb a{border-bottom:1px solid transparent}.breadcrumb a:hover{border-color:currentColor}.breadcrumb span{margin:0 8px;color:#8ba0ad}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}.lead{font-size:18px;color:#466174;max-width:720px}.section-head{margin-bottom:32px}.tag{display:inline-flex;border:1px solid #cddde4;background:rgba(255,255,255,.78);border-radius:999px;padding:5px 10px;color:#466174;font-size:13px;margin:0 6px 7px 0}
    .page-hero{padding:42px 0 58px;background:linear-gradient(180deg,#f8fafb 0%,#eaf3f6 100%)}.hero-frame{position:relative;overflow:hidden;min-height:440px;border-radius:var(--radius-lg);background:#dce8ed url('/assets/images/backpic/back-3.webp') center/cover no-repeat;box-shadow:var(--shadow-lg)}.hero-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,250,251,.96),rgba(246,250,251,.88) 52%,rgba(23,61,89,.27))}.hero-content{position:relative;z-index:1;max-width:725px;padding:58px}.hero-content p{font-size:18px;color:#436276}.hero-meta{margin-top:24px}
    .number-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-30px;position:relative;z-index:2}.rail-item{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.rail-num{display:block;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:8px}.rail-item p{font-size:14px;margin:0}
    .intro-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px}.intro-note{border-left:3px solid var(--accent);padding:5px 0 5px 22px;align-self:start}.intro-note p{font-size:17px}.content-copy{max-width:760px}.content-copy p{margin-bottom:20px}.check-list{list-style:none;margin:25px 0 0;padding:0}.check-list li{position:relative;padding:10px 0 10px 27px;border-bottom:1px solid var(--line);color:#405f72}.check-list li:before{content:"";position:absolute;left:2px;top:20px;width:9px;height:9px;border:2px solid var(--accent);border-radius:50%}
    .plan-layout{display:grid;grid-template-columns:.9fr 1.2fr .85fr;gap:20px;align-items:start}.plan-card{position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;padding:30px;box-shadow:var(--shadow-sm);transition:.22s ease}.plan-card:hover{transform:translateY(-5px);border-color:#9fbac8;box-shadow:var(--shadow-lg)}.plan-card.featured{background:var(--brand);border-color:var(--brand);padding:38px 32px;margin-top:-16px}.plan-card.featured h3{color:#fff}.plan-card.featured p,.plan-card.featured li{color:#d9eaf0}.plan-card .tag{background:#eff6f7}.plan-card.featured .tag{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.14);color:#fff}.plan-name{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.1em}.plan-card ul{padding:0;margin:18px 0 24px;list-style:none}.plan-card li{padding:8px 0;border-bottom:1px solid rgba(217,228,233,.8);font-size:15px;color:var(--ink-soft)}.plan-card.featured li{border-color:rgba(255,255,255,.17)}.plan-card li:before{content:"—";color:var(--accent);margin-right:8px}.plan-card.featured li:before{color:#a8d8d5}.plan-card .small-note{font-size:13px;margin-top:16px}.featured .button{background:#fff;color:var(--brand-deep)}.featured .button:hover{background:#e4f1f2}
    .compare-wrap{border:1px solid var(--line);background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.compare-row{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;border-bottom:1px solid var(--line)}.compare-row:last-child{border:0}.compare-row>div{padding:16px 19px;border-right:1px solid var(--line);font-size:14px}.compare-row>div:last-child{border:0}.compare-row.head{background:#edf5f7;font-weight:800;color:var(--brand-deep)}
    .flow-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center}.flow-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);min-height:430px}.flow-image img{height:430px;width:100%;object-fit:cover}.flow-steps{counter-reset:flow}.flow-step{position:relative;padding:0 0 26px 70px;counter-increment:flow}.flow-step:before{content:"0" counter(flow);position:absolute;left:0;top:0;width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:var(--accent-pale);color:var(--brand);font-weight:800}.flow-step:not(:last-child):after{content:"";position:absolute;left:22px;top:52px;width:1px;height:calc(100% - 32px);background:#b9d1d5}.flow-step p{margin:0;font-size:15px}
    .resource-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.resource-feature{position:relative;min-height:325px;overflow:hidden;border-radius:var(--radius-lg);background:#183f5d}.resource-feature img{width:100%;height:100%;object-fit:cover;opacity:.52}.resource-copy{position:absolute;inset:auto 0 0;padding:34px;color:#fff;background:linear-gradient(transparent,rgba(15,40,58,.92))}.resource-copy h3{color:#fff}.resource-copy p{color:#dcebf0}.resource-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm)}.resource-item{display:block;padding:16px 0;border-bottom:1px solid var(--line)}.resource-item:last-child{border:0}.resource-item strong{display:block;color:var(--ink)}.resource-item span{font-size:14px;color:var(--ink-soft)}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}.faq-intro{padding-right:15px}.accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;box-shadow:0 4px 14px rgba(25,56,78,.04)}.faq-question{width:100%;border:0;background:#fff;color:var(--ink);text-align:left;padding:18px 48px 18px 20px;font-weight:750;position:relative}.faq-question:after{content:"+";position:absolute;right:19px;top:14px;font-size:25px;line-height:1;color:var(--accent)}.faq-question[aria-expanded="true"]:after{content:"−"}.faq-answer{display:none;padding:0 20px 18px}.faq-answer p{margin:0;font-size:15px}.faq-answer.is-open{display:block}
    .contact-shell{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;padding:42px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg)}.contact-aside{padding:10px}.contact-aside p{font-size:16px}.contact-form label{display:block;font-size:14px;font-weight:750;color:var(--ink);margin-bottom:7px}.required{color:#b55545;margin-left:3px}.contact-form input,.contact-form textarea,.contact-form select,.footer-form input{width:100%;border:1px solid #c9d9e0;border-radius:10px;background:#fbfdfe;padding:12px 14px;color:var(--ink);box-shadow:none}.contact-form textarea{min-height:125px;resize:vertical}.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus,.footer-form input:focus{border-color:var(--accent)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.privacy-check{display:flex;gap:9px;align-items:flex-start;margin:16px 0;color:var(--ink-soft);font-size:14px}.privacy-check input{width:auto;margin-top:7px}.form-message{display:none;margin-top:14px;padding:10px 13px;border-radius:10px;font-size:14px}.form-message.success{background:#e7f2ee;color:#236554}.form-message.error{background:#faece8;color:#974439}.form-message.show{display:block}
    .cta-band{padding:48px 0;background:var(--brand-deep)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{margin:0 0 8px;color:#fff}.cta-box p{margin:0;color:#c7dde6}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}.cta-actions .button.hollow{background:transparent;border-color:#a4c9d0;color:#fff}.cta-actions .button.hollow:hover{background:rgba(255,255,255,.1)}
    .site-footer{padding:58px 0 22px;background:#112d42;color:#b8ced8}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1.15fr;gap:40px}.site-footer .brand{color:#fff}.site-footer p{color:#b8ced8;font-size:14px}.footer-title{color:#fff;font-weight:800;margin-bottom:13px}.site-footer a:not(.brand){display:block;color:#b8ced8;font-size:14px;padding:3px 0}.site-footer a:not(.brand):hover{color:#fff;text-decoration:underline}.footer-form{display:flex;gap:8px;margin-top:12px}.footer-form input{min-width:0;background:#f9fcfd}.footer-form .button{padding:11px 14px}.small-note{font-size:12px}.notice{display:none;margin-top:9px;color:#a9dbd5;font-size:13px}.notice.show{display:block}.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(184,206,216,.2);padding-top:21px;margin-top:42px;font-size:13px}.footer-bottom a{display:inline!important;padding:0!important}
    @media(max-width:1100px){.desktop-nav a{padding:9px 7px;font-size:13px}.plan-layout{grid-template-columns:1fr 1fr}.plan-card.featured{margin-top:0}.plan-card:last-child{grid-column:span 2}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:span 3}}
    @media(max-width:820px){h1{font-size:39px}h2{font-size:29px}.desktop-nav{display:none}.menu-toggle{display:block}.hero-content{padding:42px}.number-rail{grid-template-columns:1fr}.intro-layout,.flow-grid,.faq-layout,.contact-shell,.resource-grid{grid-template-columns:1fr;gap:30px}.intro-note{border-left:0;border-top:3px solid var(--accent);padding:20px 0 0}.faq-intro{padding-right:0}.flow-image,.flow-image img{min-height:310px;height:310px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.cta-box{align-items:flex-start;flex-direction:column}}
    @media(max-width:640px){body{font-size:15px}.grid-container{padding-left:18px;padding-right:18px}.topbar{min-height:68px}.brand{font-size:21px}.page-hero{padding:25px 0 42px}.hero-frame{min-height:410px}.hero-content{padding:35px 25px}.hero-content p,.lead{font-size:16px}h1{font-size:33px}h2{font-size:26px}h3{font-size:19px}.section{padding:55px 0}.number-rail{margin-top:-18px}.rail-item{padding:19px}.plan-layout{grid-template-columns:1fr}.plan-card:last-child{grid-column:auto}.compare-wrap{overflow:auto}.compare-row{min-width:650px}.form-row{grid-template-columns:1fr}.contact-shell{padding:25px 19px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-form{max-width:360px}.cta-actions,.cta-actions .button{width:100%}.footer-bottom{display:block}.footer-bottom>div{margin-bottom:8px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}