/* roulang page: index */
:root{
    --brand:#1B6EB5;
    --brand-deep:#0D3C64;
    --brand-deeper:#09253D;
    --brand-soft:#EAF1F7;
    --brand-hover:#145A96;
    --sea:#3F7FA6;
    --warm:#E8943A;
    --warm-soft:#FCE9D5;
    --mint:#1B998B;
    --bg:#F7FAFC;
    --card:#FFFFFF;
    --text:#2B4059;
    --text-body:#41546A;
    --text-soft:#7A8DA3;
    --title:#16324F;
    --border:rgba(20,50,90,.10);
    --radius-lg:18px;
    --radius-md:14px;
    --radius-sm:9px;
    --shadow-sm:0 4px 16px rgba(20,50,90,.06);
    --shadow-lg:0 12px 28px rgba(20,50,90,.12);
    --container:1224px;
    --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
    --number-font:"DIN Alternate","Arial Narrow",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text-body);line-height:1.7;font-size:15px;min-height:100vh}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit}
ul,ol{list-style:none}
::selection{background:rgba(27,110,181,.18)}
:focus-visible{outline:3px solid rgba(27,110,181,.42);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--brand-deep);color:#fff;padding:10px 18px;border-radius:0 0 12px 12px;transition:top .2s}
.skip-link:focus{top:0;color:#fff}
.container{width:100%;max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:clamp(16px,3vw,28px);padding-right:clamp(16px,3vw,28px)}
body.no-scroll{overflow:hidden}

.site-header{position:sticky;top:0;z-index:120;background:rgba(247,250,252,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.site-header.is-scrolled{box-shadow:0 8px 22px rgba(20,50,90,.07)}
.header-brand-row{background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:all .3s}
.site-header.is-scrolled .header-brand-row{background:rgba(255,255,255,.88)}
.header-brand-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px;transition:min-height .3s}
.site-header.is-scrolled .header-brand-inner{min-height:58px}
.brand-logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;font-size:20px;font-weight:700;color:var(--title);letter-spacing:.5px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--brand-deep),var(--brand));color:#fff;font-size:17px;font-weight:800;box-shadow:0 6px 14px rgba(13,60,100,.18);letter-spacing:-1px}
.site-header.is-scrolled .brand-mark{width:36px;height:36px;font-size:15px}
.brand-text{white-space:nowrap}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--text-soft);letter-spacing:2.5px;line-height:1.2;text-align:left}
.header-actions{display:flex;align-items:center;gap:18px;flex:1;justify-content:flex-end}
.header-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);padding:0 14px;border-radius:999px;width:min(330px,36vw);height:42px;transition:all .25s}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(27,110,181,.1)}
.header-search i{color:var(--text-soft);font-size:14px}
.header-search input{border:0;background:transparent;width:100%;height:100%;outline:none;font-size:14px;color:var(--text)}
.header-contact{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-body);white-space:nowrap}
.header-contact i{color:var(--brand)}
.header-contact span{transition:color .2s}
.header-contact:hover{color:var(--brand)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:12px;color:var(--brand-deep);cursor:pointer;align-items:center;justify-content:center;transition:background .2s,border .2s}
.menu-toggle:hover{background:var(--brand-soft);border-color:rgba(27,110,181,.25)}
.header-nav-row{background:rgba(255,255,255,.94);transition:all .3s}
.site-header.is-scrolled .header-nav-row{background:rgba(255,255,255,.92)}
.header-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 18px;font-size:15px;font-weight:600;color:var(--title);border-radius:10px 10px 0 0;transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;border-radius:4px 4px 0 0;background:var(--brand)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 18px;border-radius:999px;font-size:13px;font-weight:600;color:#fff;background:var(--brand);transition:all .25s}
.nav-cta:hover{background:var(--brand-hover);color:#fff;box-shadow:0 6px 14px rgba(27,110,181,.25)}
.trend-area{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-soft)}
.trend-label{display:inline-flex;align-items:center;gap:5px;color:var(--brand-deep);font-weight:600}
.trend-list{display:flex;align-items:center;gap:6px}
.trend-chip{padding:4px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:500;transition:background .2s,color .2s}
.trend-chip:hover{background:rgba(27,110,181,.16);color:var(--brand);cursor:pointer}
.mobile-nav-panel{display:none}

.hero-section{position:relative;background-color:var(--brand-deep);color:#fff;overflow:hidden;padding:100px 0 72px}
.hero-visual{position:absolute;inset:0;background:linear-gradient(92deg, rgba(8,40,70,.96) 0%, rgba(17,68,112,.82) 52%, rgba(25,98,151,.56) 100%), url('/assets/images/backpic/back-1.webp') center 35% / cover no-repeat;z-index:0}
.hero-visual::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(180deg,rgba(13,60,100,0),rgba(13,60,100,.5))}
.hero-blob{position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-120px;top:-80px;z-index:0}
.hero-blob::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;border:1px dashed rgba(255,255,255,.22);left:-70px;bottom:-140px}
.container.relative{position:relative;z-index:2}
.hero-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-content{max-width:680px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);color:#D9ECFF;font-size:13px;font-weight:500;margin-bottom:22px}
.hero-kicker i{color:var(--warm)}
.hero-title{font-size:clamp(37px,5vw,54px);line-height:1.25;font-weight:700;letter-spacing:1px;color:#fff;margin-bottom:20px}
.hero-title .hl{color:#FFD79A}
.hero-desc{font-size:clamp(16px,2vw,19px);line-height:1.8;color:rgba(234,241,247,.9);margin-bottom:30px;max-width:570px}
.hero-desc strong{color:#fff;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-weight:600;border:1px solid transparent;transition:all .26s;cursor:pointer;white-space:nowrap}
.btn-lg{height:50px;padding:0 28px;font-size:15px}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{background:var(--brand-soft);color:var(--brand-deeper);box-shadow:0 10px 22px rgba(0,0,0,.18);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.36)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px)}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:600px;border-top:1px solid rgba(255,255,255,.18);padding-top:24px}
.hero-metric{display:flex;flex-direction:column;gap:2px}
.hero-metric strong{font-family:var(--number-font);font-size:27px;font-weight:700;color:#fff;letter-spacing:.5px}
.hero-metric span{font-size:12.5px;color:rgba(234,241,247,.76);line-height:1.4}
.hero-media{position:relative;display:none}
.hero-media-card{position:relative;margin-left:auto;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);border-radius:22px;padding:22px;backdrop-filter:blur(10px);width:min(386px,100%)}
.hero-mini-img{border-radius:14px;overflow:hidden}
.hero-media-card .card-caption{display:flex;justify-content:space-between;align-items:center;padding-top:14px;color:#fff;font-size:13px}
.hero-media-note{font-size:12px;color:rgba(234,241,247,.72)}

.section{padding:100px 0}
.section-alt{background:linear-gradient(180deg,var(--brand-soft) 0%,rgba(255,255,255,.75) 100%)}
.section-head{max-width:800px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--warm);border-radius:2px}
.section-head.center .eyebrow::after{content:"";width:20px;height:2px;background:var(--warm);border-radius:2px}
.section-title{font-size:clamp(27px,3.4vw,36px);color:var(--title);font-weight:700;line-height:1.4;letter-spacing:.3px}
.section-lead{color:var(--text-soft);font-size:16px;line-height:1.9;margin-top:14px}
.section-divider{width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--sea));margin-top:20px}
.center .section-divider{margin-left:auto;margin-right:auto}

.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:34px}
.pain-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px 28px 28px;box-shadow:var(--shadow-sm);overflow:hidden;transition:all .3s}
.pain-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--warm),rgba(232,148,58,.2));opacity:0;transition:opacity .3s}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.pain-card:hover::before{opacity:1}
.pain-num{font-family:var(--number-font);font-size:14px;font-weight:700;color:var(--warm);background:var(--warm-soft);display:inline-block;padding:3px 10px;border-radius:999px;letter-spacing:.5px;margin-bottom:16px}
.pain-title{font-size:18px;color:var(--title);font-weight:700;margin-bottom:9px}
.pain-desc{font-size:14.5px;line-height:1.8;color:var(--text-body)}
.pain-more{display:flex;justify-content:flex-end}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:600;font-size:14.5px;transition:gap .2s,color .2s}
.text-link:hover{color:var(--brand-hover);gap:12px}

.solution-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.solution-media{position:relative;padding-right:20px;padding-bottom:26px}
.solution-media .backdrop{position:absolute;width:76%;height:76%;left:-2px;bottom:2px;background:linear-gradient(135deg,rgba(27,110,181,.24),rgba(232,148,58,.12));border-radius:20px;z-index:0}
.solution-media .primary-img{position:relative;z-index:1;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);background:var(--brand-soft)}
.solution-img-tag{position:absolute;left:22px;bottom:22px;z-index:2;background:rgba(255,255,255,.84);backdrop-filter:blur(8px);padding:10px 16px;border-radius:999px;color:var(--brand-deep);font-size:13px;font-weight:600}
.solution-eyebrow{color:var(--brand);font-weight:700;font-size:14px;letter-spacing:1.2px;margin-bottom:12px}
.solution-heading{font-size:clamp(25px,3vw,33px);line-height:1.45;color:var(--title);margin-bottom:14px}
.solution-note{font-size:15.5px;color:var(--text-soft);line-height:1.9;margin-bottom:30px}
.solution-list{display:flex;flex-direction:column;gap:22px;margin-bottom:34px}
.solution-item{display:flex;gap:15px;padding:18px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-sm);transition:all .25s}
.solution-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.solution-icon{flex:0 0 44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--brand-soft),#fff);border:1px solid rgba(27,110,181,.14);display:inline-flex;align-items:center;justify-content:center;color:var(--brand);font-size:18px}
.solution-item h3{font-size:16.5px;color:var(--title);font-weight:700;margin-bottom:4px}
.solution-item p{font-size:14px;line-height:1.6;color:var(--text-body)}

.portal-stats-block{background:linear-gradient(120deg,var(--brand-deeper) 0%,var(--brand-deep) 60%,#155890 100%);color:#fff;padding:76px 0;position:relative;overflow:hidden}
.portal-stats-block::before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.07);border-radius:50%;right:-190px;top:-200px}
.portal-stats-block::after{content:"";position:absolute;width:260px;height:260px;border:1px dashed rgba(255,255,255,.08);border-radius:50%;right:-60px;bottom:-90px}
.portal-stats-title{max-width:560px;margin-bottom:46px}
.portal-stats-title .eyebrow{color:#9FD1FF}
.portal-stats-title h2{font-size:clamp(25px,3vw,34px);line-height:1.4;color:#fff;letter-spacing:.5px}
.portal-stats-title p{color:rgba(234,241,247,.75);font-size:15px;margin-top:12px;line-height:1.9}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-panel{position:relative;padding:28px 14px 24px;border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);text-align:center;transition:all .25s}
.stat-panel:hover{background:rgba(255,255,255,.13);transform:translateY(-4px)}
.stat-num{font-family:var(--number-font);font-size:clamp(34px,4vw,44px);font-weight:700;line-height:1.1;color:#fff;margin-bottom:9px}
.stat-num span{color:#FFD79A}
.stat-label{font-size:14px;color:rgba(234,241,247,.86)}
.stat-sub{font-size:12px;color:rgba(234,241,247,.56);margin-top:6px;line-height:1.5}

.feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feedback-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;height:100%}
.feedback-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feedback-card p.quote{font-size:15.5px;line-height:2;color:var(--text-body);flex:1}
.feedback-meta{display:flex;align-items:center;gap:14px;margin-top:26px;padding-top:18px;border-top:1px solid var(--border)}
.feedback-avatar{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--brand),var(--sea));flex:0 0 44px}
.feedback-meta .name{font-size:14px;font-weight:600;color:var(--title)}
.feedback-meta .role{font-size:12px;color:var(--text-soft)}

.guide-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.guide-card{display:flex;gap:24px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:var(--shadow-sm);transition:all .3s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(27,110,181,.22)}
.guide-icon{flex:0 0 62px;width:62px;height:62px;border-radius:16px;background:var(--brand-soft);color:var(--brand-deep);display:inline-flex;align-items:center;justify-content:center;font-size:26px}
.guide-card h3{font-size:19px;color:var(--title);font-weight:700;margin-bottom:10px}
.guide-card p{font-size:14.5px;line-height:1.85;color:var(--text-body);margin-bottom:18px}
.guide-more{font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px}
.guide-more:hover{gap:12px;color:var(--brand-hover)}

.cms-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cms-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px}
.cms-head-row .section-head{margin-bottom:0}
.news-more{flex-shrink:0}
.cms-feed{display:grid;grid-template-columns:repeat(12,1fr);gap:26px;margin-top:46px}
.cms-feature{grid-column:1 / span 5;background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:all .3s;height:100%}
.cms-feature:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.cms-feature-img{position:relative;display:block;overflow:hidden;background:var(--brand-soft);aspect-ratio:16/10}
.cms-feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cms-feature:hover .cms-feature-img img{transform:scale(1.04)}
.cms-feature-badge{position:absolute;top:16px;left:16px;background:rgba(13,60,100,.86);backdrop-filter:blur(6px);color:#fff;padding:5px 13px;border-radius:999px;font-size:12px;font-weight:500}
.cms-feature-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.cms-feature-title{font-size:20px;line-height:1.5;color:var(--title);font-weight:700}
.cms-feature-title a:hover{color:var(--brand)}
.cms-feature-summary{font-size:14px;line-height:1.8;color:var(--text-body);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-feature-bottom{color:var(--text-soft);font-size:13px;display:flex;gap:16px;align-items:center;padding-top:14px;border-top:1px solid var(--border)}
.cms-feature-bottom i{color:var(--brand);margin-right:4px}
.cms-side-wrap{grid-column:6 / span 7;display:flex;flex-direction:column;gap:0}
.cms-side-item{display:flex;gap:17px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:var(--shadow-sm);transition:all .25s}
.cms-side-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:rgba(27,110,181,.25)}
.cms-side-thumb{position:relative;flex:0 0 118px;width:118px;height:84px;border-radius:10px;overflow:hidden;background:var(--brand-soft)}
.cms-side-thumb img{width:100%;height:100%;object-fit:cover}
.cms-side-thumb .mini-cat{position:absolute;left:7px;top:7px;display:inline-block;background:rgba(13,60,100,.84);color:#fff;font-size:10.5px;padding:2px 8px;border-radius:999px}
.cms-side-content{flex:1;min-width:0}
.cms-side-title{font-size:15.5px;line-height:1.55;font-weight:700;color:var(--title);margin-bottom:7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-side-title a:hover{color:var(--brand)}
.cms-side-summary{font-size:13px;color:var(--text-body);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.cms-side-meta{font-size:12px;color:var(--text-soft);display:flex;gap:12px;align-items:center}
.cms-side-meta .cat-name{color:var(--brand)}
.cms-empty{grid-column:1/-1;text-align:center;padding:64px 20px;background:#fff;border:1px dashed rgba(27,110,181,.28);border-radius:18px;color:var(--text-soft);font-size:16px}
.cms-empty i{display:block;font-size:36px;color:var(--brand);margin-bottom:12px}

.faq-section{position:relative}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;align-items:start}
.faq-left{position:sticky;top:150px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:15px;overflow:hidden;transition:box-shadow .2s,border .2s}
.faq-item:hover{border-color:rgba(27,110,181,.24)}
.faq-item.open{box-shadow:var(--shadow-sm);border-color:rgba(27,110,181,.2)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;background:transparent;border:0;cursor:pointer;text-align:left;padding:20px 22px;color:var(--title);font-size:16px;font-weight:600;transition:background .2s}
.faq-q:hover{background:#F9FBFD}
.faq-icon{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:all .25s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 22px 22px;font-size:14.5px;line-height:1.95;color:var(--text-body)}
.faq-item.open .faq-a{max-height:380px}

.cta-section{padding-bottom:100px}
.cta-panel{position:relative;overflow:hidden;background:linear-gradient(115deg,#0A3353 0%,#0E4A76 52%,#16639A 100%);border-radius:28px;padding:78px 64px;color:#fff;box-shadow:0 28px 60px rgba(13,60,100,.22)}
.cta-panel::before{content:"";position:absolute;width:400px;height:400px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-90px;bottom:-150px}
.cta-panel::after{content:"";position:absolute;width:180px;height:180px;border:1px dashed rgba(255,255,255,.15);border-radius:50%;left:-50px;top:-80px}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:50px;position:relative;z-index:2}
.cta-title{font-size:clamp(25px,3.2vw,36px);font-weight:700;line-height:1.45}
.cta-desc{font-size:15px;line-height:1.9;color:rgba(234,241,247,.82);margin-top:12px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}

.site-footer{background:var(--brand-deep);color:rgba(234,241,247,.76);font-size:14px}
.footer-main{padding:70px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1.2fr 1fr;gap:44px}
.footer-brand{max-width:320px}
.footer-logo{display:inline-flex;align-items:center;gap:11px;color:#fff;font-size:21px;font-weight:700}
.footer-logo .brand-mark{width:42px;height:42px;background:#fff;color:var(--brand-deep);box-shadow:none}
.footer-desc{margin-top:18px;font-size:14px;line-height:2;color:rgba(234,241,247,.66)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.9);font-size:14px;transition:all .25s}
.footer-social a:hover{background:var(--warm);color:#fff;transform:translateY(-3px)}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:13px}
.footer-links a{color:rgba(234,241,247,.72);line-height:1.5;transition:color .2s,padding .2s}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-contact{color:rgba(234,241,247,.72)}
.footer-contact li{display:flex;gap:10px;margin-bottom:14px;line-height:1.6}
.footer-contact i{color:var(--warm);margin-top:4px}
.footer-qr{text-align:center}
.footer-qr-box{width:130px;height:130px;background:#fff;border-radius:14px;padding:8px;margin:0 auto 14px}
.footer-qr-box svg{display:block;width:100%;height:100%}
.footer-qr-caption{font-size:12.5px;color:rgba(234,241,247,.62)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding:20px 0;font-size:12.5px}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:rgba(234,241,247,.5)}
.footer-bottom-inner a{color:rgba(234,241,247,.6)}
.footer-bottom-inner a:hover{color:#fff}

.to-top{position:fixed;right:24px;bottom:26px;width:46px;height:46px;border:0;border-radius:50%;background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(27,110,181,.3);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:all .3s;z-index:99}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-hover);transform:translateY(-3px)}

@media (min-width:1100px){
    .hero-media{display:block}
    .hero-title br{display:block}
}
@media (min-width:641px) and (max-width:1100px){
    .solution-wrap{grid-template-columns:1fr;gap:50px}
    .solution-media{max-width:650px}
    .hero-layout{grid-template-columns:1fr}
    .guide-card-grid{grid-template-columns:1fr 1fr}
    .feedback-grid{grid-template-columns:1fr 1fr}
    .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cms-feature{grid-column:1 / -1}
    .cms-side-wrap{grid-column:1 / -1}
    .faq-grid{grid-template-columns:1fr;gap:35px}
    .faq-left{position:static}
    .cta-panel{padding:56px 40px}
    .cta-inner{flex-direction:column;align-items:flex-start;gap:30px}
}
@media (max-width:640px){
    .section{padding:64px 0}
    .cta-section{padding-top:0}
    .header-brand-inner{min-height:60px}
    .brand-text .brand-sub{display:none}
    .brand-logo{font-size:18px}
    .brand-mark{width:38px;height:38px;font-size:16px;border-radius:11px}
    .menu-toggle{display:inline-flex;flex:0 0 44px}
    .header-contact, .header-search{display:none}
    .header-nav-row{display:none}
    .header-nav-inner.show-mobile{flex-direction:column;align-items:stretch;padding:12px 0}
    .header-actions{justify-content:flex-end}
    .main-nav{flex-direction:column;align-items:stretch;gap:4px;background:var(--bg);padding:14px;border-radius:16px}
    .nav-link{height:auto;padding:14px 12px;border-radius:10px;justify-content:flex-start}
    .nav-link.active{background:var(--brand-soft)}
    .nav-link.active::after{display:none}
    .trend-area{flex-wrap:wrap;gap:8px;margin-top:6px}
    .trend-list{flex-wrap:wrap}
    .hero-section{padding:62px 0 46px}
    .hero-layout{gap:0}
    .hero-title{font-size:34px;letter-spacing:0}
    .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding-top:20px}
    .hero-metric strong{font-size:22px}
    .hero-metric span{font-size:11px}
    .pain-grid{grid-template-columns:1fr}
    .feedback-grid{grid-template-columns:1fr}
    .guide-card-grid{grid-template-columns:1fr}
    .guide-card{flex-direction:column;gap:14px}
    .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
    .stat-panel{padding:20px 10px}
    .cms-head-row{align-items:flex-start}
    .news-more{width:100%}
    .cms-feed{grid-template-columns:1fr}
    .cms-feature,.cms-side-wrap{grid-column:auto}
    .cms-side-thumb{display:none}
    .cms-side-item{padding:16px}
    .faq-grid{grid-template-columns:1fr}
    .faq-left{position:static}
    .cta-panel{padding:38px 20px;border-radius:22px}
    .footer-main{padding:54px 0 22px}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-logo{font-size:20px}
    .footer-bottom-inner{flex-direction:column}
    .to-top{right:16px;bottom:20px}
}

/* roulang page: category1 */
:root {
            --primary: #1B6EB5;
            --primary-dark: #14578F;
            --deep: #0D3C64;
            --light: #EAF1F7;
            --bg: #F7FAFC;
            --white: #FFFFFF;
            --title: #16324F;
            --text: #41546A;
            --muted: #7A8DA3;
            --accent: #E8943A;
            --success: #1B998B;
            --border: rgba(20, 50, 90, 0.10);
            --shadow-sm: 0 4px 16px rgba(20, 50, 90, 0.06);
            --shadow-lg: 0 12px 28px rgba(20, 50, 90, 0.12);
            --radius: 16px;
            --radius-sm: 8px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        ul {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: var(--white);
        }

        .section-soft {
            background: #EDF3F8;
        }

        .section-head {
            max-width: 780px;
            margin: 0 auto 52px;
            text-align: center;
        }

        .section-head .eyebrow,
        .intro-lead .eyebrow,
        .feature-body .eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: .12em;
            color: var(--primary);
            background: rgba(27, 110, 181, 0.08);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
            border: 1px solid rgba(27, 110, 181, 0.14);
        }

        .section-head h2,
        .intro-lead h2,
        .faq-intro h2 {
            color: var(--title);
            font-size: 34px;
            font-weight: 600;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.9;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .22s ease;
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(27, 110, 181, 0.18);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(27, 110, 181, 0.24);
        }

        .btn-light {
            background: rgba(255, 255, 255, 0.96);
            color: var(--deep);
            box-shadow: 0 6px 16px rgba(13, 60, 100, 0.10);
        }

        .btn-light:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(13, 60, 100, 0.14);
        }

        .btn-feature {
            background: var(--deep);
            color: #fff;
            box-shadow: 0 8px 20px rgba(13, 60, 100, 0.22);
        }

        .btn-feature:hover {
            background: #0B2F4F;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(13, 60, 100, 0.26);
        }

        .btn-ghost-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(27, 110, 181, 0.40);
            outline-offset: 2px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 120;
            background: rgba(255, 255, 255, 0.98);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.86);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            box-shadow: 0 6px 24px rgba(16, 48, 84, 0.08);
        }

        .site-header.scrolled .header-top {
            padding: 10px 0;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
            transition: padding .3s ease;
        }

        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--deep);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .02em;
        }

        .brand-name {
            font-size: 21px;
            font-weight: 700;
            color: var(--title);
            white-space: nowrap;
            transition: font-size .3s ease;
        }

        .site-header.scrolled .brand-name {
            font-size: 19px;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .header-tool-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            padding: 9px 18px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #F8FBFD;
            transition: all .2s ease;
        }

        .header-tool-link:hover {
            border-color: rgba(27, 110, 181, 0.25);
            background: var(--light);
            color: var(--primary);
        }

        .menu-toggle {
            display: none;
            width: 46px;
            height: 46px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--white);
            font-size: 19px;
            color: var(--title);
            cursor: pointer;
            transition: all .2s ease;
        }

        .menu-toggle:hover {
            background: var(--light);
            color: var(--primary);
        }

        .header-nav-area {
            border-top: 1px solid var(--border);
            transition: max-height .3s ease;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            margin: 0;
            overflow-x: auto;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 16px 18px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
            transition: color .2s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 0;
            height: 3px;
            border-radius: 3px 3px 0 0;
            background: var(--primary);
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            background-color: var(--deep);
            background-image: linear-gradient(90deg, rgba(8, 34, 63, 0.88), rgba(13, 60, 100, 0.55)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 30%;
            padding: 90px 0 74px;
            color: #fff;
            overflow: hidden;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            max-width: 820px;
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            margin: 14px 0 18px;
            color: #fff;
            letter-spacing: .01em;
        }

        .page-hero .hero-lead {
            max-width: 660px;
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 30px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.20);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            letter-spacing: .10em;
            color: rgba(255, 255, 255, 0.92);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.62);
            margin-bottom: 10px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.82);
            transition: color .2s ease;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb span {
            opacity: .7;
        }

        /* ========== Intro ========== */
        .intro-section {
            background: var(--white);
            padding: 88px 0;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 64px;
            align-items: center;
        }

        .intro-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .intro-visual img {
            width: 100%;
            height: 100%;
            min-height: 260px;
            object-fit: cover;
        }

        .intro-lead .eyebrow {
            margin-bottom: 10px;
        }

        .intro-copy p {
            color: var(--text);
            margin-bottom: 18px;
            font-size: 16px;
        }

        .check-list {
            margin: 18px 0 0;
        }

        .check-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 10px;
            color: var(--title);
            font-size: 15px;
        }

        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            color: var(--success);
            font-size: 14px;
        }

        /* ========== Core Features / alternating rows ========== */
        .feature-stack {
            display: flex;
            flex-direction: column;
            gap: 52px;
            margin-top: 10px;
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1.05fr;
            gap: 40px;
            align-items: center;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 30px 30px 30px 0;
            transition: transform .25s ease, box-shadow .25s ease;
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .feature-row:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .feature-row.reverse .feature-media {
            order: 2;
        }

        .feature-row.reverse .feature-body {
            order: 1;
            padding-left: 40px;
        }

        .feature-media {
            border-radius: 14px 0 0 14px;
            overflow: hidden;
            position: relative;
            line-height: 0;
        }

        .feature-row.reverse .feature-media {
            border-radius: 0 14px 14px 0;
        }

        .feature-media img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: inherit;
            background: linear-gradient(180deg, rgba(13, 60, 100, 0.04), rgba(13, 60, 100, 0.12));
        }

        .feature-body {
            padding-right: 24px;
        }

        .feature-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: var(--light);
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .feature-body h3 {
            color: var(--title);
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .feature-body p {
            color: var(--text);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .feature-dots {
            margin-top: 8px;
        }

        .feature-dots li {
            position: relative;
            padding-left: 20px;
            color: var(--title);
            font-size: 14px;
            margin-bottom: 6px;
            line-height: 1.7;
        }

        .feature-dots li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            opacity: .85;
        }

        /* ========== Process ========== */
        .process-section {
            background: #EDF3F8;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
            margin-top: 18px;
        }

        .process-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(255, 255, 255, 0.9);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .process-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .process-card .num {
            display: inline-flex;
            font-size: 13px;
            color: var(--primary);
            font-weight: 700;
            letter-spacing: .1em;
            border: 1px solid rgba(27, 110, 181, 0.18);
            background: rgba(27, 110, 181, 0.07);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 18px;
        }

        .process-card h3 {
            font-size: 18px;
            color: var(--title);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--white);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.4fr;
            gap: 64px;
            align-items: start;
        }

        .faq-intro p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-help-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #F8FBFD;
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .faq-item.is-open {
            border-color: rgba(27, 110, 181, 0.25);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            text-align: left;
            background: transparent;
            border: 0;
            padding: 22px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            cursor: pointer;
            line-height: 1.6;
        }

        .faq-question .icon {
            position: relative;
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--light);
            transition: background .2s ease, transform .2s ease;
        }

        .faq-question .icon::before,
        .faq-question .icon::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            width: 12px;
            height: 2px;
            border-radius: 3px;
            background: var(--primary);
            transform: translate(-50%, -50%);
            transition: transform .25s ease;
        }

        .faq-question .icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item.is-open .icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--text);
            font-size: 15px;
            line-height: 1.9;
        }

        /* ========== CTA ========== */
        .cta-switch {
            padding: 90px 0;
        }

        .cta-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            background: linear-gradient(100deg, #0D3C64 0%, #15507F 70%, #1B6EB5 100%);
            border-radius: 22px;
            padding: 48px 56px;
            box-shadow: 0 20px 40px rgba(13, 60, 100, 0.20);
        }

        .cta-copy {
            max-width: 620px;
        }

        .cta-copy h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 12px;
        }

        .cta-copy p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex-shrink: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, 0.78);
            padding: 68px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 1fr 0.8fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.66);
            max-width: 330px;
        }

        .footer-social {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 22px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            transition: all .2s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .03em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.70);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.70);
            line-height: 1.8;
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 5px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-qr-box {
            width: 108px;
            height: 108px;
            background: #fff;
            border-radius: 14px;
            padding: 6px;
            margin-top: 6px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .footer-qr-box svg {
            width: 100%;
            height: 100%;
            display: block;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
        }

        .footer-bottom-line {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            text-align: center;
        }

        .footer-bottom-line a {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== Responsive ========== */
        @media (max-width: 900px) {
            .container {
                padding: 0 22px;
            }

            .section {
                padding: 76px 0;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 46px;
            }

            .feature-row,
            .feature-row.reverse {
                grid-template-columns: 1fr;
                padding: 0;
            }

            .feature-row .feature-media,
            .feature-row.reverse .feature-media {
                border-radius: 14px 14px 0 0;
                order: 1 !important;
            }

            .feature-row .feature-body,
            .feature-row.reverse .feature-body {
                order: 2 !important;
                padding: 8px 24px 26px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 38px;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 42px 36px;
            }

            .cta-actions {
                width: 100%;
                padding-top: 8px;
            }
        }

        @media (max-width: 768px) {
            .header-tools {
                gap: 10px;
            }

            .header-right-link {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-nav-area {
                max-height: 0;
                overflow: hidden;
            }

            .header-nav-area.open {
                max-height: 360px;
                overflow-y: auto;
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 10px 0 12px;
                border-top: 1px solid var(--border);
                margin-top: 2px;
            }

            .nav-link {
                padding: 15px 8px;
                border-bottom: 1px solid var(--border);
            }

            .nav-link.active::after {
                left: 8px;
                right: auto;
                width: 3px;
                height: auto;
                top: 10px;
                bottom: 10px;
                border-radius: 3px;
            }

            .page-hero {
                padding: 66px 0 56px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero .hero-lead {
                font-size: 16px;
            }

            .header-tool-link {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 640px) {
            .section-head h2,
            .intro-lead h2,
            .faq-intro h2 {
                font-size: 28px;
            }

            .section {
                padding: 56px 0;
            }

            .process-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .feature-media img {
                height: 200px;
                min-height: 0;
            }

            .cta-panel {
                padding: 32px 24px;
                border-radius: 18px;
            }

            .cta-copy h2 {
                font-size: 24px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .faq-question {
                padding: 18px 16px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 16px 18px;
                font-size: 14px;
            }

            .footer-bottom-line {
                gap: 8px;
                line-height: 1.7;
            }
        }

/* roulang page: article */
:root {
            --primary: #1B6EB5;
            --primary-dark: #114F85;
            --primary-light: #3D8CC9;
            --deep: #0D3C64;
            --bg: #F7FAFC;
            --bg-soft: #EAF1F7;
            --heading: #16324F;
            --text: #41546A;
            --muted: #7A8DA3;
            --accent: #E8943A;
            --teal: #1B998B;
            --border: rgba(20, 50, 90, 0.10);
            --shadow-sm: 0 4px 16px rgba(20, 50, 90, 0.06);
            --shadow-md: 0 12px 28px rgba(20, 50, 90, 0.12);
            --shadow-lg: 0 18px 40px rgba(20, 50, 90, 0.14);
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-tag: 8px;
            --transition: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            outline: none;
        }

        img {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

        .grid-container {
            max-width: 1200px;
        }

        .site-main {
            min-height: 44vh;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            line-height: 44px;
            border: 1px solid transparent;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus {
            outline: 2px solid rgba(27, 110, 181, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 8px 18px rgba(27, 110, 181, 0.18);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(27, 110, 181, 0.24);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(27, 110, 181, 0.45);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(27, 110, 181, 0.08);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--deep);
        }

        .btn-light:hover {
            background: var(--bg-soft);
            color: var(--deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(255, 255, 255, 0.15);
        }

        /* === Header === */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .site-header.is-scrolled {
            border-bottom-color: rgba(20, 50, 90, 0.08);
            box-shadow: 0 8px 28px rgba(20, 50, 90, 0.08);
        }

        .header-top {
            transition: padding 0.25s ease;
            padding: 12px 0;
        }

        .site-header.is-scrolled .header-top {
            padding: 7px 0;
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .brand-col {
            flex-shrink: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--deep));
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.04em;
            border-radius: 11px;
            box-shadow: 0 6px 14px rgba(27, 110, 181, 0.22);
            flex-shrink: 0;
        }

        .brand-name {
            color: var(--heading);
            font-size: 21px;
            font-weight: 700;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .header-search {
            display: flex;
            align-items: center;
            width: 280px;
            max-width: 36vw;
            height: 40px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 4px 0 16px;
            transition: all 0.2s ease;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 4px rgba(27, 110, 181, 0.10);
        }

        .header-search input {
            flex: 1;
            min-width: 0;
            border: 0;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            outline: none;
        }

        .header-search button {
            width: 32px;
            height: 32px;
            border: 0;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .header-search button:hover {
            background: var(--primary-dark);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-contact-link {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--deep);
            background: var(--bg-soft);
            border: 1px solid transparent;
            padding: 8px 18px;
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-contact-link:hover {
            border-color: var(--primary);
            background: rgba(27, 110, 181, 0.06);
            color: var(--primary-dark);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #FFFFFF;
            color: var(--heading);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--bg-soft);
        }

        .site-header-nav {
            border-top: 1px solid rgba(20, 50, 90, 0.06);
            background: rgba(255, 255, 255, 0.72);
            transition: all 0.25s ease;
        }

        .main-nav {
            display: flex;
            align-items: center;
            min-height: 54px;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 6px 18px;
            border-radius: 999px;
            color: #41546A;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }

        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 3px;
            border-radius: 999px;
            background: var(--primary);
            opacity: 0;
            transform: scaleX(0.5);
            transition: all 0.2s ease;
        }

        .main-nav .nav-link:hover {
            color: var(--primary-dark);
            background: rgba(27, 110, 181, 0.07);
        }

        .main-nav .nav-link.active {
            color: var(--primary-dark);
            background: rgba(27, 110, 181, 0.10);
            font-weight: 600;
        }

        .main-nav .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        /* === Article Hero === */
        .article-hero {
            padding: 52px 0 48px;
            background:
                radial-gradient(circle at 88% 20%, rgba(27, 110, 181, 0.08), transparent 320px),
                linear-gradient(135deg, #F0F5FA 0%, #E6EEF6 100%);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb-sep {
            opacity: 0.6;
        }

        .breadcrumb-current {
            color: var(--text);
            max-width: 480px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-h1 {
            margin: 0 0 18px;
            color: var(--heading);
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            max-width: 900px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 24px;
            color: #647588;
            font-size: 14px;
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--primary);
            opacity: 0.75;
            font-size: 13px;
        }

        .meta-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            background: rgba(27, 110, 181, 0.10);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
        }

        /* === Article Content === */
        .article-content-area {
            padding: 48px 0 72px;
        }

        .article-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: clamp(28px, 5vw, 60px);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .article-body {
            font-size: 16px;
            color: #3D4E62;
            line-height: 1.9;
        }

        .article-body > *:first-child {
            margin-top: 0;
        }

        .article-body > *:last-child {
            margin-bottom: 0;
        }

        .article-body p {
            margin: 0 0 1.65em;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4,
        .article-body h5 {
            color: var(--heading);
            line-height: 1.45;
            font-weight: 700;
            margin: 2em 0 0.6em;
        }

        .article-body h2 {
            font-size: 27px;
            margin-top: 2em;
        }

        .article-body h3 {
            font-size: 21px;
            margin-top: 1.6em;
        }

        .article-body h4 {
            font-size: 17px;
            margin-top: 1.2em;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--primary-dark);
        }

        .article-body ul,
        .article-body ol {
            margin: 1.2em 0 1.6em;
            padding-left: 1.5em;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.55em;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.55em;
        }

        .article-body blockquote {
            margin: 1.8em 0;
            padding: 18px 26px;
            border-left: 4px solid var(--primary);
            background: var(--bg-soft);
            border-radius: 0 14px 14px 0;
            color: #3D4E62;
        }

        .article-body blockquote p {
            margin: 0 0 10px;
        }

        .article-body blockquote p:last-child {
            margin: 0;
        }

        .article-body img {
            border-radius: 14px;
            margin: 1.2em 0;
            box-shadow: 0 8px 24px rgba(20, 50, 90, 0.07);
        }

        .article-body figure {
            margin: 2em 0;
        }

        .article-body figcaption {
            color: var(--muted);
            font-size: 13px;
            text-align: center;
            padding: 12px 0 0;
        }

        .article-body hr {
            border: 0;
            height: 1px;
            background: var(--border);
            margin: 2.4em 0;
        }

        .article-body table {
            width: 100%;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            margin: 1.8em 0;
            border-collapse: separate;
            border-spacing: 0;
        }

        .article-body th,
        .article-body td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(20, 50, 90, 0.08);
            text-align: left;
        }

        .article-body tr:last-child th,
        .article-body tr:last-child td {
            border-bottom: 0;
        }

        .article-body thead th {
            background: var(--bg-soft);
            color: var(--heading);
            font-weight: 600;
        }

        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            background: rgba(27, 110, 181, 0.08);
            border-radius: 6px;
            padding: 3px 8px;
            font-size: 0.9em;
            color: #1B4F82;
        }

        .article-card-foot {
            margin-top: 42px;
            padding-top: 28px;
            border-top: 1px solid rgba(20, 50, 90, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }

        .back-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(27, 110, 181, 0.24);
            transition: var(--transition);
        }

        .back-channel-link:hover {
            background: rgba(27, 110, 181, 0.08);
            color: var(--primary-dark);
        }

        /* === Empty State === */
        .empty-article-card {
            text-align: center;
            padding: 92px 26px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
        }

        .empty-article-card .empty-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .empty-article-card h2 {
            color: var(--heading);
            font-size: 24px;
            margin: 0 0 12px;
        }

        .empty-article-card p {
            color: var(--muted);
            font-size: 16px;
            margin: 0 auto 28px;
            max-width: 420px;
        }

        .empty-action {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        /* === Related Section === */
        .related-section {
            background: var(--bg);
            padding: 64px 0 76px;
        }

        .section-head {
            margin-bottom: 38px;
        }

        .section-head h2 {
            margin: 0 0 8px;
            color: var(--heading);
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        .section-head p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 26px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(255, 255, 255, 0.75);
            transition: all 0.3s ease;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .related-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-soft);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }

        .related-tag {
            position: absolute;
            left: 16px;
            bottom: 14px;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.94);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(6px);
            box-shadow: 0 4px 12px rgba(20, 50, 90, 0.10);
        }

        .related-body {
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.4;
            margin: 0 0 10px;
            transition: color 0.2s ease;
        }

        .related-card:hover .related-body h3 {
            color: var(--primary-dark);
        }

        .related-body p {
            margin: 0 0 22px;
            color: #66798F;
            font-size: 15px;
            line-height: 1.65;
        }

        .related-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .related-link i {
            font-size: 12px;
            transition: transform 0.2s ease;
        }

        .related-card:hover .related-link i {
            transform: translateX(4px);
        }

        /* === Bottom CTA === */
        .article-cta {
            padding: 26px 0 96px;
            background: var(--bg);
        }

        .cta-soft-card {
            background: linear-gradient(120deg, #EAF1F7 0%, #F4F8FC 100%);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 44px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            transition: box-shadow 0.3s ease;
        }

        .cta-soft-card:hover {
            box-shadow: var(--shadow-sm);
        }

        .cta-soft-info h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin: 0 0 6px;
        }

        .cta-soft-info p {
            font-size: 15px;
            color: var(--text);
            margin: 0;
        }

        /* === Footer === */
        .site-footer {
            background: #0D3C64;
            color: #BCD0E2;
        }

        .footer-main {
            padding: 72px 0 46px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.25fr 0.7fr 0.85fr 0.95fr;
            gap: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-logo .brand-mark {
            background: rgba(255, 255, 255, 0.12);
            box-shadow: none;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.14);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin: 0 0 24px;
            opacity: 0.9;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.10);
            color: #E4EEF6;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
            font-size: 15px;
        }

        .footer-social a:hover {
            background: #FFFFFF;
            color: var(--deep);
            transform: translateY(-2px);
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #BCD0E2;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #BCD0E2;
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-contact i {
            color: #8FC1E8;
            margin-top: 2px;
            width: 18px;
            text-align: center;
        }

        .footer-qr-box {
            width: 124px;
            height: 124px;
            background: #FFFFFF;
            border-radius: 14px;
            padding: 8px;
            box-shadow: 0 10px 22px rgba(0, 0, 0, 0.15);
        }

        .footer-qr-box svg {
            width: 100%;
            height: 100%;
            display: block;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: #8FAEC9;
        }

        .footer-bottom span {
            margin: 0 8px;
        }

        .footer-bottom a {
            color: #8FAEC9;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* === Responsive === */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 0.7fr 0.9fr;
                gap: 38px;
            }

            .footer-qr {
                display: none;
            }
        }

        @media (max-width: 900px) {
            .header-search {
                width: 220px;
            }

            .header-contact-link {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .header-top-inner {
                padding: 6px 0;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }

            .brand-name {
                font-size: 19px;
            }

            .header-search {
                display: none;
            }

            .site-header-nav {
                display: none;
                background: #FFFFFF;
            }

            .site-header-nav.nav-open {
                display: block;
                border-top: 1px solid var(--border);
                box-shadow: 0 18px 30px rgba(20, 50, 90, 0.10);
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
            }

            .main-nav .nav-link {
                width: 100%;
                justify-content: flex-start;
                font-size: 16px;
                border-radius: 10px;
            }

            .main-nav .nav-link::after {
                display: none;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .article-hero {
                padding: 38px 0 34px;
            }

            .article-content-area {
                padding: 32px 0 48px;
            }

            .article-card {
                padding: 32px 22px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-soft-card {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-main {
                padding: 50px 0 30px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .footer-qr {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                font-size: 17px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .article-h1 {
                font-size: 25px;
            }

            .article-card {
                padding: 24px 18px;
                border-radius: 14px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.85;
            }

            .section-head h2 {
                font-size: 25px;
            }

            .related-body {
                padding: 18px 18px 20px;
            }

            .footer-bottom {
                padding: 18px 12px;
                font-size: 12px;
            }

            .footer-bottom span {
                display: block;
                margin: 4px 0;
            }
        }

/* roulang page: category2 */
:root{
    --brand:#1B6EB5;
    --brand-dark:#0D3C64;
    --ink:#16324F;
    --text:#41546A;
    --muted:#7A8DA3;
    --soft:#EAF1F7;
    --softblue:#EEF4F9;
    --page:#F7FAFC;
    --card:#ffffff;
    --line:rgba(20,50,90,.10);
    --orange:#E8943A;
    --green:#1B998B;
    --r-sm:10px;
    --r-lg:16px;
    --shadow-sm:0 4px 16px rgba(20,50,90,.06);
    --shadow-lg:0 12px 28px rgba(20,50,90,.12);
    --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
    font-size:16px;
    line-height:1.7;
    color:var(--text);
    background:var(--page);
    -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
    font-weight:600;
    color:var(--ink);
    line-height:1.35;
    margin:0 0 16px;
}
p{margin:0 0 16px;}
a{color:var(--brand);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--brand-dark);}
img{max-width:100%;height:auto;}
button{font-family:inherit;}
ul,ol{margin:0 0 16px;padding-left:20px;}
figure{margin:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 rgba(20,50,90,.06);transition:var(--transition);}
.site-header.is-scrolled{background:rgba(255,255,255,.97);box-shadow:0 8px 24px rgba(20,50,90,.07);}
.header-meta-row{border-bottom:1px solid var(--line);transition:padding .3s ease,background .3s ease;}
.site-header.is-scrolled .header-meta-row{padding-top:0;padding-bottom:0;}
.header-brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:12px;padding-bottom:12px;transition:padding .3s ease;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:12px;
    background:linear-gradient(145deg,#1B6EB5,#0D3C64);
    color:#fff;font-weight:700;font-size:14px;letter-spacing:.02em;
    box-shadow:0 6px 14px rgba(13,60,100,.24);
}
.brand-mark::after{content:"九游";display:inline;}
.brand-name{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.header-note{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--soft);color:var(--brand-dark);
    font-size:13px;font-weight:500;
    padding:7px 14px;border-radius:999px;
}
.header-note i{font-size:13px;}
.nav-toggle{
    display:none;
    width:44px;height:44px;border-radius:12px;
    background:var(--soft);border:1px solid var(--line);
    color:var(--ink);font-size:20px;cursor:pointer;
    align-items:center;justify-content:center;
}
.nav-toggle:hover{background:#e4edf5;color:var(--brand);}
.header-nav-row{background:#fff;}
.header-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:0;}
.nav-link{
    display:inline-flex;align-items:center;
    padding:10px 16px;margin:4px 2px;
    color:var(--text);font-size:15px;font-weight:500;
    border-radius:999px;position:relative;
    transition:color .2s,background .2s;
}
.nav-link:hover{background:var(--soft);color:var(--brand-dark);}
.nav-link.active{background:var(--brand);color:#fff;font-weight:600;}
.nav-link.active:hover{background:var(--brand-dark);color:#fff;}
.header-inline-tools{display:flex;align-items:center;gap:8px;margin-left:auto;}
.icon-btn{
    display:inline-flex;align-items:center;gap:8px;
    border:0;background:transparent;color:var(--text);
    font-size:14px;cursor:pointer;padding:8px 10px;border-radius:8px;
    transition:var(--transition);
}
.icon-btn:hover{background:var(--soft);color:var(--brand);}

.top-zone{padding:76px 0 72px;background:var(--soft);position:relative;overflow:hidden;}
.top-zone.page-hero--news{background:linear-gradient(120deg,#F4F8FB 0%,#E7F0F7 58%,#FBFCFE 100%);}
.top-zone::after{content:"";position:absolute;width:480px;height:480px;border-radius:50%;right:-180px;top:-220px;background:radial-gradient(circle,rgba(27,110,181,.09),rgba(27,110,181,0));pointer-events:none;}
.top-zone .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.hero-kicker{
    display:inline-flex;align-items:center;gap:8px;
    background:#fff;border:1px solid rgba(27,110,181,.18);
    color:var(--brand);font-size:13px;font-weight:600;
    padding:6px 14px;border-radius:999px;margin-bottom:18px;
    box-shadow:var(--shadow-sm);
}
.hero-kicker i{font-size:13px;}
.page-title{
    font-size:44px;line-height:1.22;font-weight:700;
    letter-spacing:-.01em;margin-bottom:18px;color:var(--ink);
    max-width:760px;
}
.page-title .dot{color:var(--orange);display:inline-block;margin:0 8px;}
.hero-lead{
    max-width:650px;font-size:17px;line-height:1.9;
    color:var(--text);margin-bottom:28px;
}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:24px;}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:600;line-height:1;
    border-radius:999px;padding:14px 26px;
    cursor:pointer;border:1px solid transparent;
    transition:var(--transition);text-decoration:none;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(27,110,181,.2);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(13,60,100,.25);}
.btn-secondary{background:#fff;color:var(--brand-dark);border:1px solid rgba(27,110,181,.35);}
.btn-secondary:hover{background:var(--soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.hero-stat-row{display:flex;flex-wrap:wrap;gap:18px 42px;margin-top:10px;}
.mini-stat{display:flex;flex-direction:column;}
.mini-stat strong{font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;}
.mini-stat span{font-size:13px;color:var(--muted);margin-top:2px;}

.section{padding:96px 0;}
.section-alt{background:var(--page);}
.section-soft{background:var(--softblue);}
.section-white{background:#fff;}
.section-head{max-width:680px;margin-bottom:42px;}
.eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    font-size:13px;font-weight:600;letter-spacing:.04em;
    color:var(--brand);text-transform:none;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px;}
.section-title{font-size:34px;line-height:1.35;letter-spacing:-.01em;margin-bottom:12px;}
.section-lead{font-size:16px;line-height:1.9;color:var(--text);margin-bottom:0;}

.card{
    background:#fff;
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-sm);
    padding:28px;
    transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.primary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.primary-icon{
    display:inline-flex;align-items:center;justify-content:center;
    width:52px;height:52px;border-radius:16px;
    background:linear-gradient(145deg,var(--soft),#fff);
    color:var(--brand);font-size:22px;margin-bottom:18px;
    border:1px solid rgba(27,110,181,.16);
}
.primary-card h3{font-size:19px;margin-bottom:9px;}
.primary-card p{font-size:15px;line-height:1.85;color:var(--text);margin-bottom:0;}
.read-next-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;margin-top:18px;}

.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
    display:inline-flex;align-items:center;gap:6px;
    background:#fff;border:1px solid rgba(20,50,90,.09);
    color:var(--text);font-size:14px;
    padding:9px 16px;border-radius:999px;
    transition:var(--transition);
    box-shadow:0 2px 6px rgba(20,50,90,.035);
}
.chip i{color:var(--brand);font-size:12px;}
.chip:hover{background:var(--soft);border-color:rgba(27,110,181,.25);color:var(--brand-dark);transform:translateY(-2px);}
.topic-panel{
    display:grid;grid-template-columns:1fr 1.6fr;gap:48px;align-items:start;
}
.topic-copy{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-sm);}
.topic-copy h3{font-size:21px;margin-bottom:10px;}
.topic-copy p{font-size:15px;line-height:1.9;margin-bottom:0;}
.dot-list{display:flex;flex-direction:column;gap:16px;}
.dot-list li{position:relative;padding-left:22px;list-style:none;font-size:15px;line-height:1.8;}
.dot-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:9px;height:9px;border-radius:50%;
    background:var(--brand);
}

.reader-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.reader-card{
    background:#fff;border-radius:var(--r-lg);overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease;
    display:flex;flex-direction:column;
}
.reader-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.reader-pic{height:210px;overflow:hidden;position:relative;background:var(--soft);}
.reader-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.reader-card:hover .reader-pic img{transform:scale(1.05);}
.reader-pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,60,100,0) 56%,rgba(13,60,100,.32));}
.reader-tag{
    position:absolute;left:16px;top:16px;z-index:2;
    background:rgba(255,255,255,.9);color:var(--brand-dark);
    font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
    backdrop-filter:blur(6px);
}
.reader-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.reader-body h3{font-size:19px;margin-bottom:8px;}
.reader-body p{font-size:14px;line-height:1.8;color:var(--text);flex:1;}
.reader-more{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand);font-size:14px;font-weight:600;
    margin-top:18px;
}
.reader-more:hover{color:var(--orange);gap:9px;}

.big-list-section{display:grid;grid-template-columns:1fr 1.55fr;gap:56px;align-items:start;}
.number-list{display:flex;flex-direction:column;}
.number-item{
    display:grid;grid-template-columns:52px 1fr;gap:20px;
    padding:22px 0;border-bottom:1px solid var(--line);
    position:relative;
}
.number-item:last-child{border-bottom:0;}
.number-item .num{
    display:inline-flex;align-items:center;justify-content:center;
    width:46px;height:46px;border-radius:50%;
    background:var(--soft);color:var(--brand-dark);
    font-size:17px;font-weight:700;
}
.number-item h3{font-size:18px;margin-bottom:6px;}
.number-item p{font-size:15px;line-height:1.8;margin-bottom:0;color:var(--text);}

.quote-strip{
    background:#0D3C64;border-radius:22px;padding:48px 52px;
    color:#EAF1F7;box-shadow:0 20px 44px rgba(13,60,100,.28);
    position:relative;overflow:hidden;
}
.quote-strip::before{content:"“";position:absolute;right:20px;top:10px;font-size:180px;line-height:1;color:rgba(255,255,255,.07);font-family:Georgia,serif;pointer-events:none;}
.quote-strip blockquote{margin:0;font-size:20px;line-height:1.8;color:#fff;font-weight:500;position:relative;z-index:1;}
.quote-strip cite{display:block;margin-top:22px;font-size:14px;font-style:normal;color:#BFD5E8;}

.faq-section{background:#fff;}
.faq-wrap{max-width:920px;margin-left:auto;margin-right:auto;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:var(--transition);}
.faq-item:hover{border-color:rgba(27,110,181,.3);box-shadow:var(--shadow-sm);}
.faq-item.is-active{box-shadow:var(--shadow-sm);border-color:rgba(27,110,181,.4);}
.faq-question{
    width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
    padding:22px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
    color:var(--ink);font-size:17px;font-weight:600;line-height:1.5;
    transition:color .2s,background .2s;
}
.faq-question:hover{color:var(--brand);}
.faq-question .icon{
    width:26px;height:26px;flex:0 0 26px;border-radius:50%;
    background:var(--soft);color:var(--brand);font-size:15px;
    display:inline-flex;align-items:center;justify-content:center;
    transition:transform .25s ease,background .25s ease;
}
.faq-item.is-active .faq-question .icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-answer{max-height:0;overflow:hidden;padding:0 24px;transition:max-height .25s ease,padding .25s ease;}
.faq-item.is-active .faq-answer{max-height:300px;padding-bottom:22px;}
.faq-answer p{font-size:15px;line-height:1.85;margin:0;color:var(--text);}

.cta-block{padding:96px 0;}
.cta-inner{
    background:linear-gradient(135deg,#0D3C64 0%,#1B6EB5 100%);
    border-radius:26px;padding:64px 68px;
    color:#EAF1F7;position:relative;overflow:hidden;
    text-align:center;
}
.cta-inner::before{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.05);}
.cta-inner::after{content:"";position:absolute;left:-80px;bottom:-160px;width:300px;height:300px;border-radius:50%;background:rgba(27,110,181,.3);}
.cta-inner h2{color:#fff;margin-bottom:14px;font-size:34px;}
.cta-inner p{color:#D7E6F2;max-width:640px;margin:0 auto 30px;font-size:16px;line-height:1.9;}
.cta-inner .btn-wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative;z-index:2;}

.site-footer{background:#0A2C4E;color:#BFD5E8;font-size:14px;}
.footer-main{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1.2fr 1.2fr;gap:42px;}
.footer-logo{
    display:inline-flex;align-items:center;gap:10px;
    font-size:20px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-logo .brand-mark{color:#fff;}
.footer-desc{margin:0 0 22px;line-height:1.9;font-size:14px;color:#BCD4E6;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
    width:38px;height:38px;border-radius:12px;
    display:inline-flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.08);color:#DCEAF5;
    transition:var(--transition);font-size:16px;
}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.footer-title{color:#fff;font-weight:600;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:8px;}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--orange);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-contact a{color:#BCD4E6;display:inline-flex;align-items:center;gap:8px;}
.footer-links a:hover,.footer-contact a:hover{color:#fff;text-decoration:underline;}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#BCD4E6;}
.footer-contact i{color:var(--orange);margin-top:3px;}
.footer-qr-box{
    width:132px;height:132px;padding:8px;background:#fff;border-radius:16px;
    display:flex;align-items:center;justify-content:center;
    margin-bottom:14px;
}
.footer-qr-box svg{width:100%;height:100%;}
.qr-note{font-size:13px;color:#8FBBDB;margin-bottom:0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;}
.footer-bottom-inner{
    display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:center;
    font-size:13px;color:#88B2D3;text-align:center;
}
.footer-bottom-inner .divider{opacity:.5;}

/* Foundation reset overrides */
.button,.button:hover{margin-bottom:0;box-shadow:none;color:#fff;}
img{max-width:100%;}
input[type="text"],input[type="email"],textarea{border-radius:10px;}

@media(max-width:1024px){
    .page-title{font-size:38px;}
    .section{padding:72px 0;}
    .primary-grid,.reader-grid{grid-template-columns:repeat(2,1fr);}
    .reader-grid .reader-card:last-child{grid-column:span 2;}
    .topic-panel,.big-list-section{grid-template-columns:1fr;gap:28px;}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
    .footer-qr{grid-column:1/-1;}
}
@media(max-width:900px){
    .header-tools{display:none;}
    .nav-toggle{display:inline-flex;margin-left:auto;}
    .header-nav-row{background:rgba(255,255,255,.98);border-top:1px solid var(--line);}
    .header-nav-inner{flex-direction:column;align-items:stretch;padding:10px 0;}
    .main-nav{display:none;flex-direction:column;align-items:stretch;gap:0;width:100%;padding:6px 0;}
    .main-nav.is-open{display:flex;}
    .nav-link{
        border-radius:12px;padding:12px 14px;
        display:flex;justify-content:space-between;
    }
    .nav-link.active{background:var(--soft);color:var(--brand-dark);}
    .nav-link.active::before{display:none;}
}
@media(max-width:640px){
    .container{padding:0 16px;}
    .brand-name{font-size:18px;}
    .site-header .brand-mark{width:34px;height:34px;border-radius:10px;font-size:13px;}
    .header-nav-row{display:none;}
    .main-nav.is-open{display:flex;}
    .page-title{font-size:32px;line-height:1.3;}
    .hero-lead{font-size:16px;}
    .top-zone{padding:52px 0;text-align:left;}
    .hero-cta-row .btn{width:100%;}
    .section{padding:56px 0;}
    .section-title{font-size:28px;}
    .primary-grid,.reader-grid{grid-template-columns:1fr;}
    .reader-grid .reader-card:last-child{grid-column:auto;}
    .chip-cloud{gap:8px;}
    .chip{font-size:13px;padding:8px 13px;}
    .number-item{grid-template-columns:44px 1fr;gap:14px;}
    .quote-strip{padding:32px 24px;}
    .quote-strip blockquote{font-size:17px;}
    .cta-inner{padding:44px 22px;}
    .cta-inner h2{font-size:27px;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-main{padding:48px 0 32px;}
    .site-header.is-scrolled .header-meta-row{padding:0;}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(27,110,181,.5);outline-offset:2px;}
}