/* roulang page: index */
:root{
      --blue:#1769d3;
      --blue-dark:#0e4fa7;
      --blue-soft:#eaf3ff;
      --cyan:#e9f8fa;
      --purple-soft:#f2efff;
      --ink:#16233a;
      --text:#42516a;
      --muted:#708098;
      --line:#dce6f2;
      --white:#ffffff;
      --warm:#f9fbfe;
      --success:#178562;
      --warning:#b67515;
      --danger:#b94747;
      --shadow:0 14px 35px rgba(28,66,116,.09);
      --shadow-hover:0 18px 42px rgba(28,66,116,.15);
      --radius:20px;
      --radius-sm:12px;
      --container:1200px;
      --btn-h:46px;
      --section:92px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--warm);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
      outline:3px solid rgba(23,105,211,.28);outline-offset:3px
    }
    h1,h2,h3,p{margin:0}
    h1,h2,h3{color:var(--ink);line-height:1.28}
    h1{font-size:clamp(2.15rem,4.2vw,4.2rem);letter-spacing:-.055em}
    h2{font-size:clamp(1.7rem,2.8vw,2.65rem);letter-spacing:-.04em}
    h3{font-size:1.08rem}
    ul{margin:0;padding:0;list-style:none}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .skip-link{position:absolute;left:-999px;top:10px;background:var(--blue);color:#fff;padding:8px 13px;border-radius:8px;z-index:999}
    .skip-link:focus{left:12px}
    .notice-bar{background:#eff7ff;border-bottom:1px solid #d9eafb;color:#52708f;font-size:.82rem}
    .notice-inner{min-height:34px;display:flex;align-items:center;justify-content:center;gap:8px;text-align:center}
    .notice-dot{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,230,242,.9)}
    .header-main{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;color:var(--ink);font-weight:800;font-size:1rem;letter-spacing:-.04em}
    .brand-mark{width:33px;height:33px;padding:5px;border-radius:10px;background:var(--blue-soft);display:grid;grid-template-columns:repeat(2,1fr);gap:3px}
    .brand-mark i{display:block;border-radius:3px;background:var(--blue)}
    .brand-mark i:nth-child(2){background:#58a3e9}.brand-mark i:nth-child(3){background:#7cbddd}.brand-mark i:nth-child(4){background:#9d91df}
    .nav-wrap{display:flex;align-items:center;gap:19px;flex:1;justify-content:space-between}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{position:relative;padding:25px 12px 21px;color:#52627b;font-size:.92rem;font-weight:650;transition:.2s ease}
    .main-nav a:hover,.main-nav a.active{color:var(--blue)}
    .main-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:13px;height:3px;border-radius:3px;background:var(--blue)}
    .timeline{display:flex;align-items:center;gap:7px;padding-left:16px;border-left:1px solid var(--line)}
    .timeline::before{content:"";width:18px;height:1px;background:#bed5ef;position:absolute;opacity:.7}
    .phase{position:relative;z-index:1;display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#68778d;font-size:.73rem;font-weight:700;white-space:nowrap}
    .phase:before{content:"";width:6px;height:6px;border-radius:50%;background:#a9b8c9}
    .phase.preheat{background:#edf7ff;border-color:#cce6fa;color:#3575ac}.phase.preheat:before{background:#55a5df}
    .phase.live{background:var(--blue);border-color:var(--blue);color:#fff}.phase.live:before{background:#a9e7ff}
    .utility{display:flex;align-items:center;gap:10px}
    .age-link{font-size:.8rem;color:#60718a;font-weight:650;white-space:nowrap}
    .age-link:hover{color:var(--blue)}
    .menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--blue)}
    .menu-btn span{display:block;width:18px;height:2px;margin:4px auto;background:currentColor;border-radius:2px}
    .hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f6fbff 0%,#eaf4ff 56%,#f2f8ff 100%);padding:66px 0 78px}
    .hero:before{content:"";position:absolute;width:500px;height:500px;border-radius:50%;right:-220px;top:-240px;background:rgba(104,183,234,.14)}
    .hero:after{content:"";position:absolute;width:220px;height:220px;border-radius:42px;left:-110px;bottom:-120px;transform:rotate(25deg);background:rgba(157,145,223,.10)}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;color:var(--blue);font-size:.86rem;font-weight:800}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--blue)}
    .hero p{max-width:680px;margin-top:22px;font-size:1.04rem;color:#50627d}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn{min-height:var(--btn-h);padding:0 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:.92rem;font-weight:750;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
    .btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 17px rgba(23,105,211,.2)}
    .btn-primary:hover{background:var(--blue-dark);box-shadow:0 12px 22px rgba(23,105,211,.26)}
    .btn-secondary{background:#fff;border-color:#cddced;color:var(--blue)}
    .btn-secondary:hover{border-color:var(--blue);background:#f8fbff}
    .btn-text{padding-inline:4px;color:var(--blue);min-height:auto}
    .btn-text:hover{color:var(--blue-dark)}
    .hero-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px;color:#647690;font-size:.83rem;font-weight:650}
    .hero-points span{display:flex;align-items:center;gap:7px}.hero-points b{color:var(--blue);font-size:1.1rem}
    .index-stage{background:#fff;border:1px solid #d9e7f5;border-radius:var(--radius);padding:19px;box-shadow:var(--shadow)}
    .stage-top{display:flex;justify-content:space-between;align-items:center;padding:0 2px 14px;border-bottom:1px solid var(--line)}
    .stage-top strong{font-size:.95rem;color:var(--ink)}.status{font-size:.74rem;font-weight:750;color:var(--success);display:flex;gap:6px;align-items:center}.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
    .stage-list{display:grid;gap:10px;margin-top:14px}
    .stage-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:11px;padding:12px;border-radius:13px;background:#f8fbff;border:1px solid transparent;transition:.2s}
    .stage-row:hover{border-color:#bcdaf5;background:#f1f8ff;transform:translateX(3px)}
    .stage-number{font-size:.78rem;color:var(--blue);font-weight:850}.stage-row strong{display:block;font-size:.9rem;color:var(--ink)}.stage-row small{display:block;color:#77879d;font-size:.73rem;margin-top:1px}
    .row-tag{padding:4px 7px;border-radius:7px;background:#eaf3ff;color:#3878b6;font-size:.7rem;font-weight:700}
    .stage-bottom{margin-top:15px;padding:13px 14px;border-radius:12px;background:var(--cyan);display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:.8rem;color:#47717d}
    .progress{height:6px;width:120px;overflow:hidden;background:#cde9ed;border-radius:10px}.progress i{display:block;width:68%;height:100%;border-radius:inherit;background:#4da9b7}
    section{padding:var(--section) 0}
    .section-kicker{margin-bottom:12px;color:var(--blue);font-size:.8rem;font-weight:800;letter-spacing:.08em}
    .section-intro{max-width:615px;margin-top:15px;color:#63738a}
    .pain-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:72px;align-items:start}
    .pain-heading{position:sticky;top:120px}.pain-heading p{margin-top:16px;color:#65748a}
    .pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .pain-card{min-height:178px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 22px rgba(47,86,130,.045);transition:.22s}
    .pain-card:hover{transform:translateY(-5px);border-color:#bdd8f1;box-shadow:var(--shadow)}
    .pain-icon{width:40px;height:40px;margin-bottom:21px;display:grid;place-items:center;border-radius:12px;background:var(--blue-soft);color:var(--blue);font-size:.84rem;font-weight:850}
    .pain-card:nth-child(2) .pain-icon{background:var(--purple-soft);color:#7467bf}.pain-card:nth-child(3) .pain-icon{background:var(--cyan);color:#25808e}.pain-card:nth-child(4) .pain-icon{background:#fff5e7;color:#b67515}
    .pain-card p{margin-top:8px;font-size:.87rem;color:#718096;line-height:1.65}
    .solution{background:#fff}
    .solution-grid{display:grid;grid-template-columns:1fr .87fr;gap:66px;align-items:center}
    .step-list{margin-top:30px;border-left:1px solid #c9ddf0}
    .step{position:relative;padding:0 0 25px 31px}.step:last-child{padding-bottom:0}
    .step:before{content:"";position:absolute;left:-7px;top:3px;width:13px;height:13px;border:3px solid #fff;border-radius:50%;background:var(--blue);box-shadow:0 0 0 1px #a9cdeb}
    .step-num{font-size:.75rem;font-weight:850;color:var(--blue);letter-spacing:.1em}
    .step h3{margin-top:3px}.step p{margin-top:7px;color:#718096;font-size:.89rem;max-width:520px}
    .step a{display:inline-block;margin-top:8px;font-size:.84rem;color:var(--blue);font-weight:750}.step a:hover{text-decoration:underline}
    .feature-panel{padding:29px;border-radius:24px;background:#eff7ff;border:1px solid #d5e9fb}
    .feature-panel h3{font-size:1.32rem}.feature-panel>p{margin-top:10px;color:#607792;font-size:.91rem}
    .mini-cards{display:grid;gap:10px;margin-top:21px}
    .mini-card{display:flex;align-items:center;gap:13px;padding:14px;background:#fff;border:1px solid #dceaf7;border-radius:13px}
    .mini-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#e9f3ff;color:var(--blue);font-size:.75rem;font-weight:850}
    .mini-card strong{display:block;color:var(--ink);font-size:.88rem}.mini-card span{display:block;color:#78899f;font-size:.76rem;margin-top:1px}
    .update-section{padding-top:70px}
    .content-heading{display:flex;justify-content:space-between;align-items:end;gap:25px}
    .content-heading .section-intro{margin-top:11px}.content-track{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-top:30px}
    .featured-card{position:relative;min-height:292px;overflow:hidden;padding:28px;border-radius:23px;background:linear-gradient(135deg,#2b6fbe,#5c98d9);color:#fff;display:flex;flex-direction:column;justify-content:end;box-shadow:var(--shadow)}
    .featured-card:before{content:"";position:absolute;right:-10px;top:24px;width:190px;height:190px;border:1px solid rgba(255,255,255,.28);border-radius:35px;transform:rotate(18deg)}
    .featured-card:after{content:"";position:absolute;right:39px;top:58px;width:80px;height:80px;border-radius:19px;background:rgba(255,255,255,.17)}
    .featured-card>*{position:relative}.content-label{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:8px;background:rgba(255,255,255,.18);font-size:.72rem;font-weight:750}
    .featured-card h3{margin-top:auto;color:#fff;font-size:1.5rem;max-width:400px}.featured-card p{margin-top:8px;max-width:490px;color:#eaf4ff;font-size:.88rem}
    .featured-card a{margin-top:14px;color:#fff;font-size:.86rem;font-weight:800}
    .side-updates{display:grid;gap:10px}.update-item{padding:16px 17px;border:1px solid var(--line);border-radius:15px;background:#fff;transition:.2s}
    .update-item:hover{border-color:#b8d6f0;box-shadow:0 9px 20px rgba(34,78,128,.08);transform:translateY(-2px)}
    .update-meta{display:flex;align-items:center;gap:8px;color:#7a8aa0;font-size:.72rem}.update-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#52a2d9}
    .update-item h3{margin-top:5px;font-size:.94rem}.update-item p{margin-top:4px;color:#748399;font-size:.78rem;line-height:1.55}
    .result{background:linear-gradient(180deg,#f8fbff,#f0f7ff)}
    .result-panel{margin-top:31px;padding:32px 35px;border:1px solid #d7e8f7;border-radius:24px;background:#fff;box-shadow:var(--shadow)}
    .result-top{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;padding-bottom:25px;border-bottom:1px solid var(--line)}
    .result-top p{max-width:580px;color:#687890;font-size:.91rem}.result-note{padding:7px 11px;background:#f0f8ff;border-radius:9px;color:#3977ae;font-size:.76rem;font-weight:750;white-space:nowrap}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:25px}.metric{padding:5px 24px;border-left:1px solid var(--line)}.metric:first-child{border-left:0;padding-left:0}
    .metric strong{display:block;color:var(--blue);font-size:1.3rem;line-height:1.3}.metric span{display:block;margin-top:6px;color:#53647c;font-size:.84rem;font-weight:700}.metric small{display:block;margin-top:3px;color:#8695a8;font-size:.73rem}
    .security-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:center}
    .security-copy p{margin-top:16px;color:#697990}.security-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .security-badge{min-height:152px;padding:19px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(41,80,125,.045)}
    .shield{width:34px;height:34px;display:grid;place-items:center;margin-bottom:16px;border-radius:10px;background:var(--cyan);color:#278493;font-size:.95rem;font-weight:900}
    .security-badge:nth-child(2) .shield{background:var(--blue-soft);color:var(--blue)}.security-badge:nth-child(3) .shield{background:var(--purple-soft);color:#7769bf}
    .security-badge h3{font-size:.9rem}.security-badge p{margin-top:6px;color:#77879c;font-size:.77rem;line-height:1.55}
    .testimonials{background:#fff}
    .quote-head{display:flex;justify-content:space-between;align-items:end;gap:20px}.quote-mark{font-size:4rem;line-height:.6;color:#c9e0f8;font-family:Georgia,serif}
    .quote-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
    .quote-card{padding:25px;border-radius:18px;border:1px solid var(--line);background:#fbfdff;transition:.2s}.quote-card:hover{transform:translateY(-4px);background:#fff;box-shadow:var(--shadow)}
    .quote-card blockquote{margin:0;color:#40516a;font-size:.94rem;line-height:1.8}.quote-user{display:flex;align-items:center;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
    .avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#b8dcf4,#7baee1)}.quote-card:nth-child(2) .avatar{background:linear-gradient(135deg,#ded7fa,#a59ade)}.quote-card:nth-child(3) .avatar{background:linear-gradient(135deg,#c8eceb,#77bbb8)}
    .quote-user strong{display:block;color:var(--ink);font-size:.78rem}.quote-user span{display:block;color:#8190a3;font-size:.71rem}
    .faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:72px;align-items:start}.faq-copy p{margin-top:16px;color:#697990}.faq-list{display:grid;gap:10px}
    details{overflow:hidden;border:1px solid var(--line);border-radius:13px;background:#fff;transition:.2s}details[open]{border-color:#bad7f0;box-shadow:0 8px 19px rgba(32,80,130,.06)}
    summary{position:relative;padding:16px 48px 16px 18px;color:var(--ink);font-size:.92rem;font-weight:750;cursor:pointer;list-style:none}
    summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:18px;top:12px;color:var(--blue);font-size:1.35rem;font-weight:400;transition:transform .2s}details[open] summary:after{transform:rotate(45deg)}
    .answer{padding:0 18px 17px;color:#697990;font-size:.86rem;line-height:1.75}
    .cta{padding-top:35px;padding-bottom:96px}.cta-panel{position:relative;overflow:hidden;padding:48px 52px;border-radius:25px;background:#e8f5ff;border:1px solid #cee6f7;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-panel:after{content:"";position:absolute;right:-35px;bottom:-85px;width:210px;height:210px;border-radius:50%;background:rgba(111,171,225,.17)}.cta-panel>div{position:relative}.cta-panel p{max-width:620px;margin-top:11px;color:#5f7892}.cta-actions{display:flex;gap:10px;flex-wrap:wrap;min-width:max-content}
    footer{padding:56px 0 26px;background:#15263d;color:#b7c5d6}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(204,222,240,.16)}
    .footer-brand{color:#fff}.footer-brand .brand-mark{background:rgba(137,191,240,.18)}.footer-brand .brand-mark i{background:#8fc5f7}.footer-brand p{max-width:405px;margin-top:16px;color:#aebfd2;font-size:.83rem;line-height:1.75}
    .footer-col h3{margin-bottom:12px;color:#fff;font-size:.86rem}.footer-col a{display:block;padding:4px 0;color:#aebfd2;font-size:.82rem}.footer-col a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:21px;color:#8296ac;font-size:.75rem}.footer-bottom span:last-child{text-align:right}
    @media(max-width:1100px){
      .header-main{gap:16px}.brand{font-size:.9rem}.timeline{gap:5px;padding-left:10px}.phase{padding:4px 7px}.hero-grid,.solution-grid,.security-grid,.faq-grid{gap:38px}.metric{padding-inline:16px}
    }
    @media(max-width:900px){
      :root{--section:70px}.header-main{min-height:67px}.nav-wrap{position:absolute;left:0;right:0;top:67px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-wrap.open{display:flex}.main-nav{flex-direction:column;align-items:stretch}.main-nav a{padding:11px 8px}.main-nav a.active:after{left:8px;right:auto;bottom:7px;width:26px}.timeline{order:-1;padding:0 0 12px;border-left:0;border-bottom:1px solid var(--line);overflow:auto}.utility{padding-top:12px}.menu-btn{display:block;margin-left:auto}.hero{padding:52px 0 58px}.hero-grid,.pain-layout,.solution-grid,.security-grid,.faq-grid{grid-template-columns:1fr}.pain-heading{position:static}.content-track{grid-template-columns:1fr}.security-badges{grid-template-columns:repeat(3,1fr)}.faq-copy{max-width:600px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:640px){
      .container{width:min(calc(100% - 36px),var(--container))}.notice-inner{padding:5px 0;line-height:1.45}.age-link{display:none}.hero{padding:42px 0 50px}.hero p{font-size:.94rem}.hero-actions,.cta-actions{flex-direction:column;align-items:stretch}.btn{width:100%}.hero-points{gap:10px 16px}.index-stage{padding:14px}.stage-row{grid-template-columns:35px 1fr auto;padding:10px}.pain-grid{grid-template-columns:1fr}.pain-card{min-height:auto}.content-heading,.quote-head{align-items:flex-start;flex-direction:column}.featured-card{min-height:250px;padding:23px}.result-panel{padding:24px 20px}.result-top{display:block}.result-note{display:inline-block;margin-top:12px}.metric-grid{grid-template-columns:1fr 1fr;gap:20px}.metric,.metric:first-child{padding:0;border-left:0}.security-badges{grid-template-columns:1fr}.security-badge{min-height:auto}.quote-row{grid-template-columns:1fr}.cta-panel{padding:33px 25px;display:block}.cta-actions{margin-top:23px}.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{flex-direction:column}.footer-bottom span:last-child{text-align:left}.update-section{padding-top:45px}
    }
    @media(max-width:420px){h1{font-size:2rem}.brand{font-size:.82rem}.brand-mark{width:29px;height:29px}.phase{font-size:.68rem}.timeline{max-width:100%}.metric-grid{gap:16px}.stage-bottom{align-items:flex-start;flex-direction:column}.progress{width:100%}}

/* roulang page: category1 */
:root{
 --blue:#1769d3;
 --blue-dark:#0e4fa7;
 --blue-soft:#eaf3ff;
 --cyan:#e9f8fa;
 --purple-soft:#f2efff;
 --ink:#16233a;
 --text:#42516a;
 --muted:#708098;
 --line:#dce6f2;
 --white:#ffffff;
 --warm:#f9fbfe;
 --success:#178562;
 --warning:#b67515;
 --danger:#b94747;
 --shadow:0 14px 35px rgba(28,66,116,.09);
 --shadow-hover:0 18px 42px rgba(28,66,116,.15);
 --radius:20px;
 --radius-sm:12px;
 --container:1200px;
 --btn-h:46px;
 --section:70px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--warm);color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
 outline:3px solid rgba(23,105,211,.28);outline-offset:3px
}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.site-header{
 position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
 backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,230,242,.9)
}
.header-main{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{
 display:flex;align-items:center;gap:10px;min-width:max-content;color:var(--ink);
 font-weight:800;font-size:1rem;letter-spacing:-.04em
}
.brand-mark{
 width:33px;height:33px;padding:5px;border-radius:10px;background:var(--blue-soft);
 display:grid;grid-template-columns:repeat(2,1fr);gap:3px
}
.brand-mark i{display:block;border-radius:3px;background:var(--blue)}
.brand-mark i:nth-child(2){background:#58a3e9}
.brand-mark i:nth-child(3){background:#7cbddd}
.brand-mark i:nth-child(4){background:#9d91df}
.nav-wrap{display:flex;align-items:center;gap:19px;flex:1;justify-content:space-between}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
 position:relative;padding:25px 12px 21px;color:#52627b;font-size:.92rem;
 font-weight:650;transition:.2s ease
}
.main-nav a:hover,.main-nav a.active{color:var(--blue)}
.main-nav a.active:after{
 content:"";position:absolute;left:12px;right:12px;bottom:13px;height:3px;
 border-radius:3px;background:var(--blue)
}
.timeline{display:flex;align-items:center;gap:7px;padding-left:3px}
.timeline:before{content:"";width:19px;height:1px;background:#c8d9ea}
.phase{
 padding:4px 9px;border-radius:999px;background:#f0f4f8;color:#708098;
 font-size:.72rem;font-weight:750;white-space:nowrap
}
.phase.preheat{background:#e8f6f7;color:#397b81}
.phase.live{background:var(--blue);color:#fff;box-shadow:0 4px 10px rgba(23,105,211,.18)}
.utility{display:flex;align-items:center}
.age-link{color:#63738a;font-size:.79rem;font-weight:650;white-space:nowrap}
.age-link:hover{color:var(--blue)}
.menu-btn{
 display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
 background:white;color:var(--blue)
}
.menu-btn span{display:block;width:18px;height:2px;margin:4px auto;background:currentColor;border-radius:2px}
.btn{
 min-height:var(--btn-h);padding:0 20px;border:1px solid transparent;border-radius:12px;
 display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:.92rem;
 font-weight:750;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 17px rgba(23,105,211,.2)}
.btn-primary:hover{background:var(--blue-dark);box-shadow:0 12px 22px rgba(23,105,211,.26)}
.btn-secondary{background:#fff;border-color:#cddced;color:var(--blue)}
.btn-secondary:hover{border-color:var(--blue);background:#f8fbff}
.btn-text{min-height:auto;padding:4px;color:var(--blue)}
.btn-text:hover{color:var(--blue-dark)}
.page-intro{
 padding:48px 0 34px;background:linear-gradient(135deg,#f6fbff 0%,#eaf4ff 62%,#f7fbff 100%);
 border-bottom:1px solid #dce9f5;position:relative;overflow:hidden
}
.page-intro:after{
 content:"";position:absolute;right:8%;top:-85px;width:220px;height:220px;border-radius:50%;
 border:34px solid rgba(112,182,231,.12)
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.82rem}
.breadcrumb span{color:#9baabc}
.intro-grid{
 position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;
 gap:30px;align-items:end;margin-top:15px
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--blue);
 font-size:.8rem;font-weight:800;letter-spacing:.07em
}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--blue)}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:13px;color:var(--ink);font-size:clamp(2rem,4vw,3.15rem);line-height:1.25;letter-spacing:-.06em}
.intro-copy{max-width:700px;margin-bottom:0;color:#5a6c85}
.summary-strip{
 min-width:318px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
 overflow:hidden;background:#dce6f2;border:1px solid #dce6f2;border-radius:var(--radius-sm);
 box-shadow:0 8px 25px rgba(44,82,127,.07)
}
.summary-item{padding:13px 15px;background:rgba(255,255,255,.94)}
.summary-item b{display:block;color:var(--ink);font-size:.86rem}
.summary-item span{display:block;margin-top:2px;color:var(--muted);font-size:.72rem;white-space:nowrap}
main{padding-bottom:0}
.filter-section{padding:30px 0 0}
.filter-panel{
 padding:22px;background:#eef6fc;border:1px solid #d7e7f4;border-radius:var(--radius);
 box-shadow:0 9px 25px rgba(44,82,127,.05)
}
.filter-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:15px}
.filter-heading h2{margin:0;color:var(--ink);font-size:1.1rem}
.filter-heading p{margin:0;color:var(--muted);font-size:.8rem}
.filter-grid{display:grid;grid-template-columns:1.55fr repeat(3,1fr) auto;gap:11px;align-items:end}
.field{min-width:0}
.field label{display:block;margin:0 0 6px;color:#596b83;font-size:.77rem;font-weight:750}
.field input,.field select{
 width:100%;height:45px;padding:0 12px;border:1px solid #cbddec;border-radius:10px;
 background:#fff;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s
}
.field input::placeholder{color:#9aa8ba}
.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,211,.11)}
.filter-submit{height:45px;white-space:nowrap}
.content-area{padding:42px 0 var(--section)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:30px;align-items:start}
.result-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}
.result-top h2{margin:0;color:var(--ink);font-size:1.38rem;letter-spacing:-.03em}
.result-top p{margin:0;color:var(--muted);font-size:.82rem}
.content-list{display:grid;gap:16px}
.content-card{
 display:grid;grid-template-columns:174px minmax(0,1fr);gap:20px;padding:16px;
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:0 8px 22px rgba(47,86,130,.045);transition:.22s
}
.content-card:hover{transform:translateY(-4px);border-color:#bad7f1;box-shadow:var(--shadow)}
.cover{
 position:relative;min-height:154px;overflow:hidden;border-radius:14px;
 background:linear-gradient(145deg,#dfeeff,#edf8fb)
}
.cover:before{
 content:"";position:absolute;inset:18px;border:1px solid rgba(23,105,211,.18);
 border-radius:10px;background:linear-gradient(135deg,rgba(255,255,255,.75),rgba(205,226,251,.45))
}
.cover:after{
 content:"中文字幕";position:absolute;left:13px;bottom:12px;padding:3px 8px;border-radius:7px;
 background:rgba(22,35,58,.72);color:#fff;font-size:.69rem;font-weight:700;letter-spacing:.05em
}
.cover-pattern{position:absolute;right:16px;top:16px;width:44px;height:44px;border-radius:13px;background:rgba(23,105,211,.14)}
.cover-pattern:before,.cover-pattern:after{content:"";position:absolute;background:rgba(23,105,211,.4);border-radius:3px}
.cover-pattern:before{left:11px;top:11px;width:21px;height:5px}
.cover-pattern:after{left:11px;top:20px;width:13px;height:5px}
.cover.b{background:linear-gradient(145deg,#f0edff,#eaf5ff)}
.cover.b .cover-pattern{background:rgba(123,104,197,.14)}
.cover.b .cover-pattern:before,.cover.b .cover-pattern:after{background:rgba(111,91,181,.38)}
.cover.c{background:linear-gradient(145deg,#e4f8f8,#eaf2ff)}
.card-body{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.card-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:9px}
.tag{
 display:inline-flex;align-items:center;min-height:24px;padding:2px 8px;border-radius:7px;
 background:var(--blue-soft);color:#3977b2;font-size:.71rem;font-weight:750
}
.tag.zone{background:var(--purple-soft);color:#7062b3}
.tag.archive{background:#eef2f6;color:#68778b}
.content-card h3{
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
 margin:0;color:var(--ink);font-size:1.08rem;line-height:1.45
}
.content-card p{
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
 margin:7px 0 13px;color:#65758b;font-size:.86rem;line-height:1.7
}
.card-bottom{width:100%;margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.update-time{color:#8796a9;font-size:.74rem}
.card-bottom .btn{min-height:37px;padding-inline:14px;font-size:.8rem}
.notice-panel{
 display:grid;grid-template-columns:auto 1fr;gap:15px;margin:25px 0 2px;padding:19px 20px;
 border:1px solid #c8e6e9;border-radius:var(--radius-sm);background:var(--cyan)
}
.notice-icon{
 width:37px;height:37px;display:grid;place-items:center;border-radius:11px;background:#d8f0f1;
 color:#27777e;font-weight:900
}
.notice-panel h3{margin:0 0 3px;color:#24535d;font-size:.96rem}
.notice-panel p{margin:0;color:#527680;font-size:.82rem;line-height:1.72}
.side-index{display:grid;gap:16px}
.side-card{
 padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 box-shadow:0 8px 22px rgba(47,86,130,.04)
}
.side-card h2{margin:0 0 12px;color:var(--ink);font-size:1rem}
.side-link{
 display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;
 border-bottom:1px solid #edf1f6;color:#596b83;font-size:.85rem;transition:.2s
}
.side-link:last-child{border-bottom:0;padding-bottom:0}
.side-link:hover{color:var(--blue);padding-left:4px}
.side-link b{color:#a1afbe;font-size:.77rem}
.zone-map{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.zone-box{
 min-height:80px;padding:12px;border:1px solid #dce8f4;border-radius:11px;background:#f9fcff;
 transition:.2s
}
.zone-box:hover{border-color:#9dc9ed;transform:translateY(-2px);background:#f3f9ff}
.zone-box strong{display:block;color:var(--blue);font-size:.88rem}
.zone-box span{display:block;margin-top:2px;color:#7d8ca0;font-size:.71rem}
.quick-faq{padding:0;margin:0;list-style:none}
.quick-faq li+li{margin-top:9px}
.quick-faq a{color:#5d6e85;font-size:.84rem}
.quick-faq a:hover{color:var(--blue)}
.pagination{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:30px}
.page-btn{
 min-width:40px;height:40px;padding:0 10px;border:1px solid var(--line);border-radius:10px;
 display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#66778e;
 font-size:.82rem;font-weight:750;transition:.2s
}
.page-btn:hover{color:var(--blue);border-color:#a9ceeb;background:#f7fbff}
.page-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.page-btn[aria-disabled="true"]{opacity:.48;pointer-events:none}
.faq-section{padding:0 0 var(--section)}
.faq-box{
 padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow)
}
.faq-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:15px}
.faq-head h2{margin:0;color:var(--ink);font-size:1.42rem}
.faq-head p{max-width:460px;margin:0;color:var(--muted);font-size:.84rem}
details{border-top:1px solid #e7edf4}
details:last-child{border-bottom:1px solid #e7edf4}
summary{
 position:relative;padding:15px 34px 15px 0;list-style:none;color:#33445e;
 font-size:.93rem;font-weight:750;cursor:pointer
}
summary::-webkit-details-marker{display:none}
summary:after{
 content:"+";position:absolute;right:3px;top:12px;color:var(--blue);font-size:1.35rem;
 line-height:1;transition:transform .2s
}
details[open] summary{color:var(--blue)}
details[open] summary:after{transform:rotate(45deg)}
.answer{padding:0 34px 16px 0;color:#65758b;font-size:.85rem}
.cta-section{padding:0 0 70px}
.cta-panel{
 position:relative;overflow:hidden;padding:38px 42px;border-radius:var(--radius);
 background:linear-gradient(125deg,#e8f4ff,#e8f8fa);border:1px solid #cfe4f4
}
.cta-panel:after{
 content:"";position:absolute;right:-48px;bottom:-78px;width:240px;height:240px;border:28px solid rgba(86,162,222,.13);
 border-radius:50%
}
.cta-content{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-content h2{margin:0 0 8px;color:var(--ink);font-size:1.65rem;letter-spacing:-.04em}
.cta-content p{max-width:620px;margin:0;color:#5d738b}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;min-width:max-content}
footer{padding:49px 0 22px;background:#13263f;color:#c5d1df}
.footer-grid{display:grid;grid-template-columns:1.7fr .75fr .9fr;gap:50px;padding-bottom:36px}
.footer-brand{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand .brand-mark i{background:#6eb0ec}
.footer-brand .brand-mark i:nth-child(2){background:#96d3e3}
.footer-brand .brand-mark i:nth-child(3){background:#9d91df}
.footer-brand .brand-mark i:nth-child(4){background:#d0c8ff}
.footer-grid p{max-width:480px;margin:17px 0 0;color:#aebfd1;font-size:.82rem;line-height:1.8}
.footer-col h3{margin:0 0 12px;color:#fff;font-size:.9rem}
.footer-col a{display:block;width:max-content;max-width:100%;margin:7px 0;color:#afc0d2;font-size:.82rem;transition:.2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:20px;padding-top:18px;border-top:1px solid rgba(215,231,246,.17);
 color:#91a6bb;font-size:.75rem
}
@media (max-width:1200px){
 .filter-grid{grid-template-columns:1.3fr repeat(3,1fr)}
 .filter-submit{grid-column:span 4}
}
@media (max-width:992px){
 .header-main{gap:18px}
 .timeline{display:none}
 .intro-grid{grid-template-columns:1fr}
 .summary-strip{width:min(100%,540px)}
 .content-layout{grid-template-columns:1fr}
 .side-index{grid-template-columns:repeat(3,1fr)}
 .filter-grid{grid-template-columns:repeat(2,1fr)}
 .filter-submit{grid-column:auto}
 .footer-grid{grid-template-columns:1.45fr 1fr 1fr;gap:28px}
}
@media (max-width:768px){
 :root{--section:55px}
 .container{width:min(calc(100% - 36px),var(--container))}
 .header-main{min-height:68px;justify-content:space-between}
 .brand{font-size:.87rem}
 .menu-btn{display:block;flex:0 0 auto}
 .nav-wrap{
  display:none;position:absolute;left:0;right:0;top:68px;padding:13px 18px 18px;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(21,50,84,.1);
  align-items:stretch;flex-direction:column;gap:10px
 }
 .nav-wrap.open{display:flex}
 .main-nav{display:grid;grid-template-columns:1fr 1fr;gap:4px}
 .main-nav a{padding:10px 11px;border-radius:9px;background:#f7faff}
 .main-nav a.active:after{display:none}
 .main-nav a.active{background:var(--blue-soft)}
 .timeline{display:flex;order:3;overflow-x:auto;padding:4px 0}
 .utility{order:2}
 .page-intro{padding:36px 0 27px}
 h1{font-size:2rem}
 .filter-heading{display:block}
 .filter-heading p{margin-top:4px}
 .content-area{padding-top:32px}
 .side-index{grid-template-columns:1fr 1fr}
 .faq-box{padding:23px}
 .faq-head{display:block}
 .faq-head p{margin-top:7px}
 .cta-panel{padding:30px 25px}
 .cta-content{display:block}
 .cta-actions{margin-top:20px;min-width:0}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:576px){
 .container{width:min(calc(100% - 32px),var(--container))}
 .summary-strip{grid-template-columns:1fr 1fr}
 .summary-item:last-child{grid-column:1/-1}
 .filter-panel{padding:17px}
 .filter-grid{grid-template-columns:1fr}
 .filter-submit{width:100%}
 .result-top{display:block}
 .result-top p{margin-top:4px}
 .content-card{grid-template-columns:1fr;padding:13px;gap:14px}
 .cover{min-height:135px}
 .card-bottom{align-items:flex-start;flex-direction:column}
 .card-bottom .btn{width:100%}
 .notice-panel{padding:16px;gap:11px}
 .side-index{grid-template-columns:1fr}
 .pagination{gap:4px}
 .page-btn{min-width:35px;height:37px;padding:0 8px}
 .page-btn.word{font-size:0}
 .page-btn.word:after{font-size:.8rem}
 .page-btn.prev:after{content:"上一页"}
 .page-btn.next:after{content:"下一页"}
 .faq-box{padding:18px}
 .cta-panel{padding:26px 20px}
 .cta-content h2{font-size:1.38rem}
 .cta-actions .btn{width:100%}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .footer-grid>div:first-child{grid-column:auto}
 .footer-bottom{display:block}
 .footer-bottom span{display:block}
 .footer-bottom span+span{margin-top:6px}
}