/* roulang page: index */
:root{
            --ink:#10243e;
            --muted:#65758c;
            --blue:#1769e0;
            --blue-deep:#0d3270;
            --cyan:#19b9c8;
            --soft:#f3f7fc;
            --line:#dfe8f3;
            --white:#fff;
            --gold:#f6b94b;
            --radius:22px;
            --shadow:0 18px 48px rgba(20,52,94,.10);
            --shadow-lg:0 28px 70px rgba(9,39,83,.18);
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%}
        button,input,select{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .topline{height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
        header{height:78px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,232,243,.8);position:sticky;top:0;z-index:20}
        .nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
        .brand-mark{width:35px;height:35px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(23,105,224,.25)}
        .nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
        .nav-links a{color:#53657d;font-weight:600;position:relative;padding:8px 0;transition:.25s}
        .nav-links a:hover,.nav-links a.active{color:var(--blue)}
        .nav-links a.active:after{content:"";height:3px;width:22px;border-radius:4px;background:var(--blue);position:absolute;left:50%;bottom:0;transform:translateX(-50%)}
        .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 20px;font-weight:700;transition:.25s}
        .nav-action{background:#eaf3ff;color:var(--blue)}
        .nav-action:hover{background:var(--blue);color:#fff}
        .hero{background:#0d2342 url('/assets/images/3d6416dbb0186abe.webp') center/cover no-repeat;position:relative;color:#fff;padding:84px 0 92px;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,28,57,.97) 15%,rgba(7,35,71,.78) 55%,rgba(9,39,70,.48))}
        .hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{font-size:12px;letter-spacing:.17em;text-transform:uppercase;color:#69d9df;font-weight:800;margin-bottom:18px}
        .hero h1{font-size:clamp(38px,5vw,65px);line-height:1.13;letter-spacing:-.04em;max-width:650px;margin-bottom:22px}
        .hero-copy{font-size:18px;line-height:1.9;color:#d8e6f8;max-width:620px;margin-bottom:32px}
        .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
        .btn-primary{background:var(--cyan);color:#072949;box-shadow:0 12px 25px rgba(25,185,200,.24)}
        .btn-primary:hover{transform:translateY(-3px);background:#53d8df}
        .btn-ghost{border:1px solid rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.08)}
        .btn-ghost:hover{background:#fff;color:var(--blue)}
        .hero-note{display:flex;gap:24px;margin-top:38px;color:#b9cde7;font-size:13px}
        .hero-note strong{display:block;color:#fff;font-size:22px;line-height:1.2}
        .hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:24px;box-shadow:var(--shadow-lg);backdrop-filter:blur(12px)}
        .panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
        .panel-head strong{font-size:18px}.live{font-size:12px;color:#7df0d0;background:rgba(38,212,170,.12);padding:5px 10px;border-radius:30px}
        .rank-row{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12)}
        .rank-row:last-child{border-bottom:0}.rank-num{color:#94abc5;font-weight:800}.rank-name{font-weight:700}.rank-sub{font-size:12px;color:#a9c2df;display:block}.rank-score{color:#73e5df;font-weight:800}
        .meter{height:5px;background:rgba(255,255,255,.16);border-radius:6px;margin-top:8px}.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),#a6f1dc);border-radius:6px}
        section{padding:92px 0}.section-head{max-width:720px;margin-bottom:38px}.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
        .section-kicker{color:var(--blue);margin-bottom:10px}.section-head h2{font-size:clamp(27px,3.3vw,42px);line-height:1.25;letter-spacing:-.03em;margin-bottom:15px}.section-head p{color:var(--muted);font-size:16px}
        .countdown{background:#eff8ff;padding:18px 0;border-bottom:1px solid #dcecfb}.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.countdown strong{font-size:18px}.countdown em{font-style:normal;color:var(--blue);font-weight:800}.time{display:flex;align-items:center;gap:8px}.time b{background:var(--blue-deep);color:#fff;border-radius:8px;padding:7px 11px;font-size:19px}.time span{color:#7890aa}
        .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card,.benefit-card,.quote-card,.topic-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:28px;box-shadow:var(--shadow);transition:.3s}.feature-card:hover,.benefit-card:hover,.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
        .icon{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#eaf4ff;color:var(--blue);font-weight:900;font-size:20px;margin-bottom:21px}.feature-card h3,.benefit-card h3,.topic-card h3{font-size:20px;margin-bottom:10px}.feature-card p,.benefit-card p,.topic-card p{color:var(--muted);font-size:14px}
        .benefits{background:var(--soft)}.benefit-card{padding:0;overflow:hidden}.benefit-card img{height:175px;width:100%;object-fit:cover}.benefit-content{padding:23px 25px 27px}.tag{display:inline-flex;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:4px 10px;font-size:12px;font-weight:700;margin-bottom:12px}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}.steps:before{content:"";height:1px;background:#cfe0f2;position:absolute;left:10%;right:10%;top:27px}.step{position:relative;text-align:center}.step-num{width:55px;height:55px;border-radius:50%;display:grid;place-items:center;background:#fff;border:7px solid #edf5ff;color:var(--blue);font-weight:800;margin:0 auto 21px;position:relative;z-index:1}.step h3{font-size:18px;margin-bottom:8px}.step p{color:var(--muted);font-size:14px}
        .dark-section{background:#102a4b;color:#fff}.dark-section .section-head p{color:#b9cce3}.dark-section .section-kicker{color:#72dedc}.dark-section .section-head h2{color:#fff}
        .topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.topic-card{background:#17385f;border-color:rgba(255,255,255,.13);box-shadow:none}.topic-card p{color:#b4c9df}.topic-card h3{color:#fff}.topic-main{min-height:270px;background:linear-gradient(140deg,rgba(12,49,91,.65),rgba(12,49,91,.18)),url('/assets/images/833c1acaa8281e17.webp') center/cover}.topic-side{display:grid;grid-template-columns:1fr 1fr;gap:22px}.topic-side .topic-card{padding:23px}
        .compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}.compare-box{border-radius:24px;padding:31px;border:1px solid var(--line)}.compare-box.highlight{background:#f0f7ff;border:2px solid #a9cef8}.compare-box h3{font-size:22px;margin-bottom:20px}.compare-box ul{list-style:none}.compare-box li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:10px}.compare-box li:before{content:"✓";color:#20a58f;font-weight:900}.compare-box:not(.highlight) li:before{content:"—";color:#9babbc}
        .news{background:var(--soft)}.news-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.news-main,.news-item{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.news-main img{height:250px;width:100%;object-fit:cover}.news-body{padding:23px}.news-body h3{font-size:22px;margin:8px 0}.news-body p,.news-item p{color:var(--muted);font-size:14px}.news-list{display:grid;gap:14px}.news-item{padding:21px}.news-item h3{font-size:17px;margin-bottom:6px}
        .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.quote-card{position:relative}.quote-card:before{content:"“";font-size:54px;line-height:1;color:#bbddff;font-family:Georgia;position:absolute;right:22px;top:14px}.quote-card p{color:#526982;min-height:92px}.person{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#dff3f4;color:#147e92;font-weight:800}.person small{display:block;color:var(--muted)}
        .trust{background:#f7fbff}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.trust-item{padding:25px 20px;text-align:center;border-right:1px solid var(--line)}.trust-item:last-child{border:0}.trust-item b{display:block;font-size:29px;color:var(--blue);line-height:1.2;margin-bottom:7px}.trust-item span{color:var(--muted);font-size:13px}
        .form-section{padding-top:75px}.form-wrap{background:linear-gradient(135deg,#0f3974,#1468c7);color:#fff;border-radius:28px;padding:45px 52px;display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;box-shadow:var(--shadow-lg)}.form-wrap h2{font-size:34px;line-height:1.3;margin-bottom:14px}.form-wrap p{color:#cde1f5}.lead-form{background:#fff;border-radius:18px;padding:24px;display:grid;gap:13px}.lead-form input,.lead-form select{width:100%;border:1px solid #d7e3f0;border-radius:10px;padding:12px 14px;outline:0;color:var(--ink);background:#fbfdff}.lead-form input:focus,.lead-form select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,224,.12)}.lead-form .btn{width:100%;background:var(--cyan);color:#063052}.form-hint{font-size:12px;color:#7790aa;text-align:center}
        footer{background:#0a1d35;color:#a9bdd4;padding:48px 0 28px}.footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}footer .brand{color:#fff}footer .brand-mark{background:#1a75d9}footer p{max-width:390px;margin-top:15px;font-size:13px}.footer-links{display:flex;gap:26px;color:#d7e5f4;font-size:14px}.footer-bottom{display:flex;justify-content:space-between;padding-top:22px;font-size:12px;gap:20px}.fixed-bar{position:fixed;bottom:18px;right:22px;z-index:15;background:#fff;padding:10px 10px 10px 18px;border-radius:15px;box-shadow:0 12px 32px rgba(7,33,65,.18);display:flex;align-items:center;gap:16px;border:1px solid var(--line);font-weight:700}.fixed-bar span{font-size:13px}.fixed-bar .btn{padding:9px 15px;background:var(--blue);color:#fff}.fixed-bar .btn:hover{background:var(--blue-deep)}
        @media(max-width:900px){.hero .container,.form-wrap,.news-grid,.topic-grid{grid-template-columns:1fr}.hero-panel{max-width:600px}.grid-3,.quotes{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border:0}.steps{grid-template-columns:repeat(2,1fr);gap:30px}.steps:before{display:none}}
        @media(max-width:650px){.container{width:min(100% - 32px,560px)}header{height:68px}.nav-links{gap:14px;font-size:13px}.nav-action{display:none}.brand{font-size:17px}.brand-mark{width:31px;height:31px}.hero{padding:60px 0 64px}.hero h1{font-size:39px}.hero-copy{font-size:16px}.hero-note{gap:14px}.countdown-inner{align-items:flex-start;flex-direction:column}.time b{font-size:16px}section{padding:65px 0}.grid-3,.quotes,.compare,.topic-side{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.form-wrap{padding:30px 20px;gap:25px}.form-wrap h2{font-size:28px}.footer-top,.footer-bottom{flex-direction:column}.footer-links{flex-wrap:wrap}.fixed-bar{left:16px;right:16px;bottom:12px;justify-content:space-between}.fixed-bar span{font-size:12px}}
        @media(max-width:420px){.nav-links a:nth-child(n+2){display:none}.hero h1{font-size:34px}.hero-note strong{font-size:19px}.steps{grid-template-columns:1fr}.time{gap:4px}.time b{padding:6px 8px}.topic-main{min-height:220px}}
        :focus-visible{outline:3px solid #65d8e2;outline-offset:3px}