/* roulang page: index */
:root{
      --bg:#f7fafb;
      --paper:#ffffff;
      --ink:#18313f;
      --muted:#5d737e;
      --blue:#2f6e91;
      --blue-dark:#235873;
      --mint:#78a9a4;
      --pale:#eef6f7;
      --line:#dce6ea;
      --soft-line:#eaf0f2;
      --shadow:0 10px 28px rgba(24,49,63,.07);
      --shadow-hover:0 18px 38px rgba(24,49,63,.12);
      --radius:16px;
      --radius-sm:9px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;line-height:1.75;letter-spacing:.01em;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:#d9ebf1;color:var(--ink)}
    .site-container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:1000;border-radius:6px}
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
      backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
      box-shadow:0 3px 18px rgba(24,49,63,.035);
    }
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap}
    .brand-mark{width:28px;height:31px;background:var(--blue);border-radius:5px 5px 5px 12px;position:relative}
    .brand-mark:after{content:"";position:absolute;left:7px;right:7px;top:8px;height:2px;background:#fff;box-shadow:0 6px 0 #fff,0 12px 0 #fff}
    .desktop-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-link,.mega-toggle{
      position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 13px;
      border:0;background:transparent;color:var(--muted);font-weight:650;font-size:15px;
    }
    .nav-link:after{content:"";position:absolute;height:2px;left:13px;right:13px;bottom:6px;background:var(--blue);transform:scaleX(0);transition:transform .2s ease}
    .nav-link:hover,.nav-link.active,.mega-toggle:hover{color:var(--blue)}
    .nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
    .mega-wrap{position:relative}
    .mega-toggle .chevron{margin-left:7px;font-size:12px;transition:transform .2s ease}
    .mega-wrap:hover .chevron,.mega-wrap:focus-within .chevron{transform:rotate(180deg)}
    .mega-menu{
      display:none;position:absolute;right:0;top:52px;width:620px;padding:18px;background:#fff;
      border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-hover);grid-template-columns:1.05fr .95fr;gap:18px;
    }
    .mega-wrap:hover .mega-menu,.mega-wrap:focus-within .mega-menu{display:grid}
    .mega-kicker,.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--blue);text-transform:uppercase}
    .mega-list{margin:8px 0 0;padding:0;list-style:none}
    .mega-list a{display:flex;align-items:flex-start;gap:11px;padding:11px 9px;border-radius:9px;transition:.2s ease}
    .mega-list a:hover{background:var(--pale);color:var(--blue)}
    .mega-num{font-size:12px;color:var(--mint);font-weight:800;padding-top:2px}
    .mega-list strong{display:block;font-size:14px}
    .mega-list small{display:block;color:var(--muted);font-size:12px;line-height:1.45}
    .mega-feature{background:var(--pale);padding:20px;border-radius:12px;position:relative;overflow:hidden}
    .mega-feature:before{content:"";position:absolute;width:130px;height:130px;border-radius:50%;background:#d5e8eb;right:-32px;top:-38px}
    .mega-feature p{position:relative;margin:8px 0 13px;color:var(--muted);font-size:13px;line-height:1.6}
    .mega-feature strong{position:relative;display:block;font-size:18px;line-height:1.4}
    .mini-arrow{position:relative;color:var(--blue);font-weight:800;font-size:14px}
    .header-action{margin-left:5px}
    .button{
      margin:0;border-radius:var(--radius-sm);font-weight:750;letter-spacing:.02em;
      padding:12px 18px;background:var(--blue);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .button:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(47,110,145,.2)}
    .button:active{transform:translateY(0)}
    .button.hollow{background:transparent;border:1px solid var(--line);color:var(--blue)}
    .button.hollow:hover{border-color:var(--blue);background:#f2f8fa}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(47,110,145,.28);outline-offset:3px
    }
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;width:44px;height:44px;font-size:20px}
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:10px 24px 18px;background:#fff}
    .mobile-panel.is-open{display:block}
    .mobile-panel a{display:block;padding:12px 4px;font-weight:700;color:var(--muted)}
    .mobile-panel a.active{color:var(--blue)}
    .hero{padding:72px 0 34px;background:linear-gradient(115deg,#f7fafb 0%,#f7fafb 66%,#edf6f7 100%);overflow:hidden}
    .hero-stage{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;min-height:510px;overflow:hidden;box-shadow:var(--shadow)}
    .hero-cover{
      position:absolute;inset:0;background:
      linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.94) 51%,rgba(241,248,249,.58) 100%),
      repeating-linear-gradient(0deg,transparent 0,transparent 37px,rgba(47,110,145,.055) 38px);
    }
    .hero-content{position:relative;z-index:2;width:56%;padding:72px 0 54px 68px}
    .hero h1{font-size:52px;line-height:1.22;letter-spacing:-.04em;margin:12px 0 18px;font-weight:850;color:var(--ink)}
    .hero-lead{max-width:650px;color:var(--muted);font-size:17px;margin:0 0 27px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .text-action{color:var(--blue);font-weight:750;padding:12px 4px;min-height:44px;display:inline-flex;align-items:center}
    .text-action span{margin-left:7px;transition:transform .2s ease}
    .text-action:hover span{transform:translateX(4px)}
    .hero-index{display:flex;flex-wrap:wrap;gap:8px;margin-top:42px}
    .tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:99px;padding:4px 10px;background:#fff;color:var(--muted);font-size:12px;font-weight:650}
    .tag.blue{border-color:#cfe2e8;background:#f2f8fa;color:var(--blue)}
    .cover-composition{position:absolute;z-index:1;right:34px;bottom:25px;width:43%;height:420px}
    .cover-card{position:absolute;background:#fff;border:1px solid #d5e4e7;box-shadow:var(--shadow);border-radius:14px}
    .main-cover{width:84%;height:330px;right:0;top:24px;padding:27px;overflow:hidden;background:#dcecee}
    .main-cover:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(47,110,145,.15),transparent 54%);z-index:0}
    .main-cover:after{content:"";position:absolute;width:255px;height:255px;border:34px solid rgba(47,110,145,.18);border-radius:50%;right:-62px;bottom:-92px}
    .cover-lines{position:relative;z-index:2;padding-top:26px}
    .cover-lines i{display:block;height:7px;background:rgba(24,49,63,.72);margin-bottom:13px;border-radius:8px}
    .cover-lines i:nth-child(1){width:42%}.cover-lines i:nth-child(2){width:71%;background:rgba(47,110,145,.64)}.cover-lines i:nth-child(3){width:58%}
    .cover-label{position:absolute;left:27px;bottom:27px;z-index:3;color:var(--ink);font-size:13px;font-weight:800;letter-spacing:.08em}
    .note-one{width:172px;padding:16px;left:0;top:0;transform:rotate(-4deg)}
    .note-two{width:196px;padding:17px;left:28px;bottom:0;transform:rotate(3deg)}
    .note-title{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.08em}
    .note-text{font-size:13px;line-height:1.55;margin-top:7px;color:var(--ink)}
    .note-rule{height:1px;background:var(--line);margin:11px 0}
    .section{padding:102px 0}
    .section-alt{background:#eef5f6;border-top:1px solid #e3edef;border-bottom:1px solid #e3edef}
    .section-heading{max-width:750px;margin-bottom:42px}
    .section-heading h2{font-size:34px;line-height:1.3;letter-spacing:-.025em;margin:8px 0 11px;font-weight:840}
    .section-heading p{margin:0;color:var(--muted);font-size:16px}
    .service-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px}
    .module-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.25s ease;overflow:hidden}
    .module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9dde3}
    .service-feature{padding:30px;min-height:390px;position:relative;background:linear-gradient(155deg,#fff 0%,#f1f8f8 100%)}
    .service-feature .chapter-mark{font-size:48px;line-height:1;color:#c4dde0;font-weight:850}
    .service-feature h3{font-size:25px;line-height:1.35;margin:50px 0 10px}
    .service-feature p,.service-row p{color:var(--muted);margin:0}
    .bookmark{position:absolute;right:28px;top:0;width:42px;height:57px;background:var(--mint);border-radius:0 0 6px 6px}
    .service-stack{display:grid;gap:18px}
    .service-row{padding:23px 26px;display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center}
    .service-row:hover .row-arrow{color:var(--blue);transform:translateX(4px)}
    .service-number{font-weight:850;color:var(--mint);font-size:17px}
    .service-row h3{margin:5px 0 4px;font-size:19px;line-height:1.35}
    .service-row p{font-size:14px;line-height:1.65}
    .row-arrow{font-size:22px;color:#9ab7bf;transition:.2s ease}
    .stats-wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:44px;align-items:end}
    .main-stat{border-left:4px solid var(--blue);padding:7px 0 7px 23px}
    .main-stat strong{font-size:58px;line-height:1;letter-spacing:-.06em}
    .main-stat span{font-size:16px;color:var(--blue);font-weight:800;margin-left:8px}
    .main-stat p{margin:10px 0 0;color:var(--muted);max-width:580px}
    .sub-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px}
    .sub-stat{border-top:1px solid #cbdfe3;padding-top:14px}
    .sub-stat strong{font-size:28px;line-height:1.1}
    .sub-stat span{display:block;color:var(--muted);font-size:13px;line-height:1.5;margin-top:6px}
    .rhythm-chart{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 8px 22px rgba(24,49,63,.05)}
    .rhythm-chart h3{font-size:15px;margin:0 0 18px}
    .chart-row{display:grid;grid-template-columns:35px 1fr 27px;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin:11px 0}
    .chart-bar{height:8px;border-radius:10px;background:#dceaec;overflow:hidden}
    .chart-bar i{display:block;height:100%;background:var(--blue);border-radius:inherit}
    .case-grid{display:grid;grid-template-columns:1.5fr .85fr;gap:20px;align-items:start}
    .case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:.25s ease}
    .case-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .case-main{display:grid;grid-template-columns:43% 57%;min-height:368px}
    .case-art{min-height:100%;position:relative;background:#d8e9eb;overflow:hidden}
    .case-art:before,.case-art:after{content:"";position:absolute;border:1px solid rgba(47,110,145,.22);border-radius:50%}
    .case-art:before{width:240px;height:240px;left:-90px;top:50px}.case-art:after{width:180px;height:180px;right:-55px;bottom:-30px}
    .art-sheet{position:absolute;inset:55px 38px;background:#fff;border-radius:5px;box-shadow:0 12px 22px rgba(24,49,63,.12);padding:22px}
    .art-sheet b{font-size:11px;letter-spacing:.12em;color:var(--blue)}
    .art-sheet i{display:block;background:#cedfe3;height:7px;margin-top:15px;border-radius:5px}.art-sheet i:nth-child(2){width:84%}.art-sheet i:nth-child(3){width:61%}.art-sheet i:nth-child(4){width:72%}
    .case-copy{padding:33px}
    .case-copy h3{font-size:25px;line-height:1.35;margin:10px 0}
    .case-copy p{color:var(--muted);margin:0 0 17px}
    .clean-list{padding:0;margin:0 0 19px;list-style:none}
    .clean-list li{font-size:14px;padding:5px 0;color:var(--ink)}
    .clean-list li:before{content:"•";color:var(--mint);font-weight:900;margin-right:9px}
    .case-small{margin-top:48px}
    .case-small .small-art{height:140px;background:linear-gradient(135deg,#edf6f7,#cfe5e7);position:relative}
    .small-art:after{content:"专题摘记";position:absolute;left:23px;bottom:20px;font-size:19px;font-weight:800;color:var(--ink)}
    .case-small .small-copy{padding:21px 23px}
    .case-small h3{font-size:19px;margin:8px 0}
    .case-small p{font-size:14px;color:var(--muted);margin:0}
    .pathway{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:14px}
    .path-step{position:relative;padding:25px 34px 25px 0}
    .path-step:not(:last-child):after{content:"→";position:absolute;right:9px;top:49px;color:var(--mint);font-size:23px}
    .step-no{display:inline-flex;width:31px;height:31px;align-items:center;justify-content:center;border-radius:50%;background:#dcecee;color:var(--blue);font-weight:850;font-size:13px}
    .path-step h3{font-size:20px;margin:15px 0 7px}
    .path-step p{color:var(--muted);font-size:14px;margin:0 0 12px;max-width:285px}
    .path-cta{margin-top:42px;padding:27px 31px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:#eef6f7;border:1px solid #d5e7e9;border-radius:14px}
    .path-cta h3{margin:0 0 4px;font-size:21px}.path-cta p{margin:0;color:var(--muted);font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:72px;align-items:start}
    .faq-intro{position:sticky;top:105px}
    .faq-intro p{color:var(--muted);margin:11px 0 0}
    .accordion{margin:0;background:transparent}
    .accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;box-shadow:0 5px 16px rgba(24,49,63,.035)}
    .accordion-title{border:0;color:var(--ink);font-weight:750;font-size:16px;padding:18px 52px 18px 52px;line-height:1.5}
    .accordion-title:hover,.accordion-title:focus{background:#f6fafb;color:var(--blue)}
    .accordion-title:before{right:20px;color:var(--blue);font-size:21px;font-weight:400}
    .accordion-title .faq-no{position:absolute;left:20px;color:var(--mint);font-size:12px;letter-spacing:.08em}
    .accordion-content{border:0;padding:0 25px 20px 52px;color:var(--muted);font-size:15px;line-height:1.8}
    .contact-card{display:grid;grid-template-columns:.82fr 1.18fr;gap:46px;padding:45px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .contact-copy h2{font-size:31px;line-height:1.3;margin:8px 0 12px}.contact-copy p{color:var(--muted);margin:0 0 22px}
    .contact-points{padding:0;margin:0;list-style:none;border-top:1px solid var(--soft-line)}
    .contact-points li{padding:12px 0;border-bottom:1px solid var(--soft-line);font-size:14px}
    .contact-points b{color:var(--blue);margin-right:8px}
    label{font-weight:700;font-size:14px;color:var(--ink)}
    .required{color:var(--blue)}
    input,textarea,select{
      width:100%;border:1px solid #cddce0;border-radius:8px;background:#fbfdfd;color:var(--ink);
      padding:11px 12px;box-shadow:none;margin:6px 0 14px;transition:border .2s ease,box-shadow .2s ease;
    }
    input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,110,145,.12);background:#fff}
    textarea{height:105px;resize:vertical}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .form-grid input,.form-grid select{margin-bottom:14px}
    .privacy-note{font-size:12px;color:var(--muted);margin:13px 0 0}
    .site-footer{background:#e9f1f2;border-top:1px solid #d6e2e4;padding:57px 0 20px;color:#415c66}
    .footer-grid{display:grid;grid-template-columns:1.3fr .75fr 1fr 1fr;gap:30px}
    .footer-brand{font-size:18px;font-weight:850;color:var(--ink);margin-bottom:10px}
    .footer-summary{font-size:13px;line-height:1.75;margin:0;max-width:290px}
    .footer-title{font-size:13px;font-weight:850;color:var(--ink);letter-spacing:.08em;margin:4px 0 12px}
    .footer-links{padding:0;margin:0;list-style:none}.footer-links li{margin:7px 0}
    .footer-links a{font-size:13px;transition:color .2s}.footer-links a:hover{color:var(--blue)}
    .footer-bottom{margin-top:39px;padding-top:18px;border-top:1px solid #cfdedf;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#647981}
    @media (max-width:1023px){
      .desktop-nav,.header-action{display:none}.menu-toggle{display:inline-flex;align-items:center;justify-content:center}
      .hero-content{padding:57px 0 44px 45px;width:61%}.hero h1{font-size:45px}.cover-composition{right:7px;width:42%;transform:scale(.9);transform-origin:right bottom}
      .stats-wrap,.faq-layout{grid-template-columns:1fr;gap:35px}.faq-intro{position:static}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:639px){
      .site-container{width:min(calc(100% - 32px),var(--container))}.header-inner{height:68px}.brand{font-size:16px}.brand-mark{width:25px;height:28px}
      .hero{padding:30px 0}.hero-stage{min-height:auto}.hero-content{width:100%;padding:40px 25px 31px}.hero h1{font-size:35px;margin-top:9px}.hero-lead{font-size:15px}
      .cover-composition{position:relative;right:auto;bottom:auto;width:100%;height:250px;transform:none;margin:0 0 0 3px}.main-cover{height:205px;width:77%;top:16px;right:14px}.note-one{transform:scale(.78) rotate(-4deg);transform-origin:left top}.note-two{transform:scale(.76) rotate(3deg);transform-origin:left bottom}
      .hero-index{margin-top:28px}.section{padding:62px 0}.section-heading{margin-bottom:27px}.section-heading h2{font-size:28px}.section-heading p{font-size:15px}
      .service-layout,.case-grid,.contact-card{grid-template-columns:1fr}.service-row{grid-template-columns:39px 1fr 22px;padding:20px}.service-feature{min-height:310px}.service-feature h3{margin-top:30px}
      .sub-stats{grid-template-columns:1fr}.stats-wrap{gap:25px}.main-stat strong{font-size:47px}.rhythm-chart{margin-top:0}
      .case-main{grid-template-columns:1fr}.case-art{height:220px}.case-copy{padding:25px}.case-copy h3{font-size:22px}.case-small{margin-top:0}
      .pathway{grid-template-columns:1fr}.path-step{padding:18px 0 25px}.path-step:not(:last-child):after{content:"↓";right:auto;left:7px;top:auto;bottom:-3px}.path-cta{padding:24px;display:block}.path-cta .button{margin-top:18px;width:100%}
      .contact-card{padding:27px 21px;gap:26px}.contact-copy h2{font-size:27px}.form-grid{grid-template-columns:1fr;gap:0}.contact-card .button{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:21px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }

/* roulang page: category1 */
:root{
 --bg:#f7fafb;--paper:#fff;--ink:#18313f;--muted:#5d737e;--blue:#2f6e91;
 --blue-dark:#235873;--mint:#78a9a4;--pale:#eef6f7;--line:#dce6ea;
 --soft-line:#eaf0f2;--shadow:0 10px 28px rgba(24,49,63,.07);
 --shadow-hover:0 18px 38px rgba(24,49,63,.12);--radius:16px;
 --radius-sm:9px;--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.site-container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 3px 18px rgba(24,49,63,.035)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap}
.brand-mark{width:28px;height:31px;background:var(--blue);border-radius:5px 5px 5px 12px;position:relative}
.brand-mark:after{content:"";position:absolute;left:7px;right:7px;top:8px;height:2px;background:#fff;box-shadow:0 6px 0 #fff,0 12px 0 #fff}
.desktop-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-link,.mega-toggle{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border:0;background:transparent;color:var(--muted);font-weight:650;font-size:15px}
.nav-link:after{content:"";position:absolute;height:2px;left:13px;right:13px;bottom:6px;background:var(--blue);transform:scaleX(0);transition:transform .2s ease}
.nav-link:hover,.nav-link.active,.mega-toggle:hover{color:var(--blue)}
.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
.mega-wrap{position:relative}
.mega-toggle .chevron{margin-left:7px;font-size:12px;transition:transform .2s ease}
.mega-wrap:hover .chevron,.mega-wrap:focus-within .chevron{transform:rotate(180deg)}
.mega-menu{display:none;position:absolute;right:0;top:52px;width:620px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-hover);grid-template-columns:1.05fr .95fr;gap:18px}
.mega-wrap:hover .mega-menu,.mega-wrap:focus-within .mega-menu{display:grid}
.mega-kicker,.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--blue);text-transform:uppercase}
.mega-list{margin:8px 0 0;padding:0;list-style:none}
.mega-list a{display:flex;align-items:flex-start;gap:11px;padding:11px 9px;border-radius:9px;transition:.2s ease}
.mega-list a:hover{background:var(--pale);color:var(--blue)}
.mega-num{font-size:12px;color:var(--mint);font-weight:800;padding-top:2px}
.mega-list strong{display:block;font-size:14px}
.mega-list small{display:block;color:var(--muted);font-size:12px;line-height:1.45}
.mega-feature{background:var(--pale);padding:20px;border-radius:12px;position:relative;overflow:hidden}
.mega-feature:before{content:"";position:absolute;width:130px;height:130px;border-radius:50%;background:#d5e8eb;right:-32px;top:-38px}
.mega-feature p{position:relative;margin:8px 0 13px;color:var(--muted);font-size:13px;line-height:1.6}
.mega-feature strong{position:relative;display:block;font-size:18px;line-height:1.4}
.mini-arrow{position:relative;color:var(--blue);font-weight:800;font-size:14px}
.button{display:inline-flex;align-items:center;justify-content:center;margin:0;border:0;border-radius:var(--radius-sm);font-weight:750;letter-spacing:.02em;padding:12px 18px;background:var(--blue);color:#fff;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.button:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(47,110,145,.2)}
.button:active{transform:translateY(0)}
.button.hollow{background:transparent;border:1px solid var(--line);color:var(--blue)}
.button.hollow:hover{border-color:var(--blue);background:#f2f8fa}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(47,110,145,.28);outline-offset:3px}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;width:44px;height:44px;font-size:20px}
.mobile-panel{display:none;border-top:1px solid var(--line);padding:10px 24px 18px;background:#fff}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:12px 4px;font-weight:700;color:var(--muted)}
.mobile-panel a.active{color:var(--blue)}
.tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:99px;padding:4px 10px;background:#fff;color:var(--muted);font-size:12px;font-weight:650}
.tag.blue{border-color:#cfe2e8;background:#f2f8fa;color:var(--blue)}
.page-hero{padding:48px 0 35px;background:linear-gradient(115deg,#f7fafb 0%,#f7fafb 68%,#edf6f7 100%);border-bottom:1px solid var(--soft-line)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
.breadcrumb span{color:#9aabb1}
.index-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.index-hero h1{margin:10px 0 14px;font-size:45px;line-height:1.22;letter-spacing:-.035em;font-weight:850}
.index-hero p{max-width:710px;margin:0;color:var(--muted);font-size:16px}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
.filter-bar .tag{cursor:default}
.filter-bar .tag:first-child{background:var(--blue);border-color:var(--blue);color:#fff}
.index-art{min-height:225px;position:relative;border:1px solid #d5e4e7;border-radius:var(--radius);background:#e5f0f2;overflow:hidden;box-shadow:var(--shadow)}
.index-art:before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:#c8dfe3;right:-72px;top:-100px}
.index-art:after{content:"";position:absolute;left:35px;right:35px;bottom:32px;height:1px;background:rgba(47,110,145,.25);box-shadow:0 -33px 0 rgba(47,110,145,.18),0 -66px 0 rgba(47,110,145,.12)}
.art-label{position:absolute;z-index:2;top:30px;left:32px;width:155px;padding:13px;background:#fff;border-radius:10px;box-shadow:var(--shadow);font-size:13px;font-weight:800;color:var(--blue)}
.art-label small{display:block;margin-top:4px;color:var(--muted);font-weight:600}
.main-area{padding:76px 0 94px}
.content-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(280px,4fr);gap:34px;align-items:start}
.section-head{margin-bottom:22px;display:flex;justify-content:space-between;gap:18px;align-items:end}
.section-head h2{margin:5px 0 0;font-size:30px;line-height:1.3;letter-spacing:-.025em}
.section-note{margin:0;color:var(--muted);font-size:13px}
.featured-card,.media-card,.guide-strip,.side-box,.contact-mini{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.featured-card{display:grid;grid-template-columns:.95fr 1.05fr;overflow:hidden;margin-bottom:18px;transition:.25s ease}
.featured-card:hover,.media-card:hover,.side-box:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card-cover{min-height:280px;position:relative;background:#dcecee;overflow:hidden}
.card-cover:before{content:"";position:absolute;width:190px;height:190px;border:22px solid rgba(47,110,145,.22);border-radius:50%;right:-36px;top:38px}
.card-cover:after{content:"";position:absolute;left:34px;bottom:38px;width:145px;height:90px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);background:repeating-linear-gradient(0deg,transparent 0 16px,rgba(47,110,145,.16) 17px 18px)}
.cover-number{position:absolute;z-index:2;top:25px;left:28px;color:var(--blue);font-size:13px;font-weight:850;letter-spacing:.12em}
.featured-body{padding:31px 32px}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.featured-body h3,.media-body h3{margin:13px 0 10px;font-size:24px;line-height:1.42;letter-spacing:-.02em}
.featured-body p,.media-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:20px;color:var(--blue);font-size:14px;font-weight:800}
.card-link span{transition:transform .2s ease}
.featured-card:hover .card-link span,.media-card:hover .card-link span{transform:translateX(4px)}
.media-card{display:grid;grid-template-columns:190px 1fr;margin-top:16px;overflow:hidden;transition:.25s ease}
.media-cover{min-height:182px;position:relative;background:#edf5f6;border-right:1px solid var(--line)}
.media-cover:before{content:"";position:absolute;inset:30px 28px;background:linear-gradient(145deg,#c5dde1,#f8fbfb);border-radius:10px}
.media-cover:after{content:"";position:absolute;left:48px;right:48px;bottom:48px;height:2px;background:var(--blue);box-shadow:0 -15px 0 rgba(47,110,145,.55),0 -30px 0 rgba(47,110,145,.25)}
.media-body{padding:24px 28px}
.media-body h3{font-size:19px;margin-top:10px}
.guide-strip{position:relative;margin:42px 0;padding:29px 31px;overflow:hidden}
.guide-strip:before{content:"专题导读";position:absolute;right:22px;top:12px;color:#dcebed;font-size:54px;line-height:1;font-weight:850;letter-spacing:-.08em}
.guide-strip h2{position:relative;margin:7px 0 19px;font-size:25px}
.guide-flow{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.guide-step{padding:4px 24px 4px 0;margin-right:20px;border-right:1px solid var(--line)}
.guide-step:last-child{border:0;margin:0}
.guide-step b{display:block;color:var(--blue);font-size:12px;letter-spacing:.12em}
.guide-step strong{display:block;margin:5px 0;font-size:15px}
.guide-step span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
.sidebar{position:sticky;top:102px}
.side-box{padding:24px;margin-bottom:16px;transition:.25s ease}
.side-box h3{margin:5px 0 13px;font-size:18px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-top:1px solid var(--soft-line)}
.side-list li:first-child{border-top:0}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;font-size:14px;font-weight:700}
.side-list a:hover{color:var(--blue)}
.side-list a span{color:var(--mint)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.contact-mini{padding:25px;background:var(--pale)}
.contact-mini h3{margin:5px 0 8px;font-size:19px}
.contact-mini p{margin:0 0 17px;color:var(--muted);font-size:13px;line-height:1.7}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:35px}
.page-item{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);font-size:14px;font-weight:750}
.page-item:hover{border-color:var(--blue);color:var(--blue)}
.page-item.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.bottom-cta{padding:0 0 80px}
.cta-panel{display:flex;justify-content:space-between;align-items:center;gap:26px;padding:30px 36px;background:#edf6f7;border:1px solid #d7e8ea;border-radius:var(--radius)}
.cta-panel h2{margin:5px 0 4px;font-size:27px}
.cta-panel p{margin:0;color:var(--muted);font-size:14px}
.faq-section{padding:78px 0;background:#fff;border-top:1px solid var(--soft-line)}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px}
.faq-intro h2{margin:8px 0 12px;font-size:32px;line-height:1.3}
.faq-intro p{margin:0;color:var(--muted)}
.accordion{background:transparent;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:11px;background:#fff;margin-bottom:10px;overflow:hidden}
.accordion-title{border:0;background:#fff;color:var(--ink);font-size:15px;font-weight:750;padding:17px 50px 17px 52px;line-height:1.55}
.accordion-title:before{color:var(--blue);right:20px;font-size:20px}
.accordion-title:hover,.accordion-title:focus{background:#f7fbfc;color:var(--blue)}
.accordion-title .faq-no{position:absolute;left:19px;color:var(--mint);font-size:12px;top:20px}
.accordion-content{border:0;background:#f9fcfc;color:var(--muted);padding:0 25px 19px 52px;font-size:14px;line-height:1.8}
.site-footer{padding:60px 0 20px;background:#eaf1f2;color:var(--ink);border-top:1px solid #d6e1e3}
.footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:35px}
.footer-brand{font-size:20px;font-weight:850;margin-bottom:8px}
.footer-summary{margin:0;max-width:270px;color:var(--muted);font-size:13px;line-height:1.7}
.footer-title{font-size:14px;font-weight:850;margin:4px 0 10px}
.footer-links{padding:0;margin:0;list-style:none}
.footer-links li{margin:7px 0;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--blue);text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:26px;margin-top:33px;border-top:1px solid #d2dfe1;color:var(--muted);font-size:12px}
@media (max-width:1023px){
 .desktop-nav{display:none}.menu-toggle{display:inline-flex;align-items:center;justify-content:center}
 .index-hero{grid-template-columns:1fr}.index-art{max-width:620px;min-height:190px}
 .content-grid{grid-template-columns:1fr}.sidebar{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.side-box{margin:0}.contact-mini{grid-column:span 2}
 .faq-layout{grid-template-columns:1fr;gap:28px}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:639px){
 .site-container{width:min(calc(100% - 32px),var(--container))}
 .header-inner{height:68px}.brand{font-size:16px}.brand-mark{width:25px;height:28px}
 .page-hero{padding:31px 0 26px}.breadcrumb{margin-bottom:14px}.index-hero h1{font-size:34px}
 .filter-bar{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}.filter-bar::-webkit-scrollbar{display:none}
 .index-art{min-height:165px}.art-label{left:20px;top:21px}.main-area{padding:52px 0 58px}
 .section-head{display:block}.section-head h2{font-size:27px}.section-note{margin-top:6px}
 .featured-card{grid-template-columns:1fr}.card-cover{min-height:190px}.featured-body{padding:24px}.featured-body h3{font-size:21px}
 .media-card{grid-template-columns:1fr}.media-cover{min-height:145px;border-right:0;border-bottom:1px solid var(--line)}.media-body{padding:21px 23px}
 .guide-strip{padding:24px 22px}.guide-strip:before{font-size:38px}.guide-flow{grid-template-columns:1fr;gap:15px}.guide-step{border-right:0;border-bottom:1px solid var(--line);padding-bottom:14px;margin:0}.guide-step:last-child{border-bottom:0;padding-bottom:0}
 .sidebar{display:block}.side-box{margin-bottom:15px}.contact-mini{display:block}
 .cta-panel{display:block;padding:26px 23px}.cta-panel h2{font-size:24px}.cta-panel .button{width:100%;margin-top:18px}
 .faq-section{padding:55px 0}.faq-intro h2{font-size:28px}.accordion-title{padding-left:45px;font-size:14px}.accordion-content{padding-left:45px;padding-right:18px}
 .footer-grid{grid-template-columns:1fr;gap:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}