/* roulang page: index */
:root{
      --ink:#29291f;--muted:#77776d;--cream:#faf8f1;--paper:#fffefa;
      --line:#e9e5d9;--orange:#e87838;--gold:#f1ba51;--green:#557563;
      --soft:#f2eee3;--shadow:0 18px 48px rgba(54,45,29,.09);
      --radius:24px;--radius-sm:15px;--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:95px}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(232,120,56,.45);outline-offset:3px}
    .container{max-width:var(--container)}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(250,248,241,.95);border-bottom:1px solid rgba(41,41,31,.08);backdrop-filter:blur(14px)}
    .nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:850;font-size:21px;letter-spacing:.01em}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--orange),var(--gold));font-size:20px;box-shadow:0 7px 15px rgba(232,120,56,.22)}
    .nav-home{font-size:14px;font-weight:700;color:#5e5c51;padding:10px 17px;border-radius:999px;transition:.2s ease}
    .nav-home:hover,.nav-home.active{background:#f1eadb;color:#b85d2d}
    .navbar-toggler{border:1px solid var(--line);border-radius:12px;padding:8px 10px}
    .hero{padding:28px 0 76px}
    .hero-panel{position:relative;overflow:hidden;min-height:510px;border-radius:34px;background:#463c2e;box-shadow:var(--shadow);display:flex;align-items:flex-end}
    .hero-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(35,31,24,.84),rgba(35,31,24,.48) 55%,rgba(35,31,24,.13)),url('/assets/images/cdf26cc02c8e7aeb.jpg') center 47%/cover no-repeat}
    .hero-content{position:relative;z-index:1;color:white;max-width:790px;padding:64px 7% 66px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px solid rgba(255,255,255,.42);border-radius:999px;color:#fff3d4;font-size:13px;font-weight:700;letter-spacing:.06em}
    .eyebrow-dot{width:7px;height:7px;background:var(--gold);border-radius:50%}
    h1{font-size:clamp(38px,6vw,68px);line-height:1.16;letter-spacing:-.045em;font-weight:850;margin:23px 0 18px;max-width:780px}
    .hero-content p{max-width:700px;color:rgba(255,255,255,.88);font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
    .btn-brand,.btn-outline-light-custom{min-height:48px;padding:11px 21px;border-radius:999px;font-weight:750;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-brand{background:linear-gradient(110deg,var(--orange),#e99b47);border:0;color:#fff;box-shadow:0 8px 20px rgba(203,99,45,.24)}
    .btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(203,99,45,.32)}
    .btn-outline-light-custom{border:1px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline-light-custom:hover{background:rgba(255,255,255,.19);color:#fff}
    .section{padding:76px 0}
    .section-soft{background:#f3f0e7}
    .section-white{background:var(--paper)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
    .section-kicker{display:block;color:#bd6938;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px}
    .section-title{font-size:clamp(28px,3.4vw,42px);line-height:1.25;letter-spacing:-.03em;font-weight:820;margin:0}
    .section-intro{max-width:600px;color:var(--muted);margin:12px 0 0}
    .text-link{font-size:14px;font-weight:750;color:#ae5a30;white-space:nowrap}
    .text-link:hover{color:#753b20}
    .metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:25px 24px;min-height:148px}
    .metric-number{font-size:35px;font-weight:850;line-height:1;color:#b76135;letter-spacing:-.04em}
    .metric-label{font-size:15px;font-weight:750;margin:13px 0 4px}
    .metric-note{color:var(--muted);font-size:13px}
    .matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .matrix-main{padding:34px;border-radius:var(--radius);background:linear-gradient(135deg,#e98443,#d86e39);color:#fff;min-height:302px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-main h3,.matrix-item h3{font-size:23px;font-weight:800;margin:0 0 10px}
    .matrix-main p{max-width:480px;color:rgba(255,255,255,.88);margin:0}
    .matrix-icon{font-size:38px;line-height:1;margin-bottom:22px}
    .matrix-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .matrix-item{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:23px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-item p{font-size:14px;color:var(--muted);margin:0}
    .matrix-item .matrix-icon{font-size:25px;color:#bc6738;margin-bottom:25px}
    .compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(54,45,29,.04)}
    .compare-head,.compare-row{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center}
    .compare-head{background:#eee9dd;font-weight:800;font-size:14px}
    .compare-head div,.compare-row div{padding:17px 22px}
    .compare-row{border-top:1px solid var(--line);font-size:14px}
    .compare-row div:first-child{font-weight:750}
    .compare-row div:not(:first-child){color:#67665c}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);position:relative;gap:18px}
    .timeline:before{content:"";height:1px;position:absolute;left:7%;right:7%;top:16px;background:#dfc8aa}
    .time-step{position:relative;padding-top:43px}
    .time-dot{position:absolute;top:7px;left:0;width:19px;height:19px;border:5px solid #fff;background:var(--orange);border-radius:50%;box-shadow:0 0 0 1px #e2c7a6}
    .time-step small{font-size:12px;color:#b66036;font-weight:800}
    .time-step h3{font-size:18px;margin:9px 0 7px;font-weight:800}
    .time-step p{color:var(--muted);font-size:14px;margin:0;max-width:240px}
    .news-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .news-card{min-height:255px;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;transition:.22s ease}
    .news-card:hover,.work-card:hover,.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .news-card.featured{min-height:310px;background:linear-gradient(155deg,#f0d49e,#e9a76e);border:0}
    .news-date{font-size:12px;color:#8a7965;font-weight:700}
    .news-card h3{font-size:20px;line-height:1.45;font-weight:800;margin:14px 0 9px}
    .news-card p{font-size:14px;color:#716d62;margin:0}
    .news-type{font-size:12px;font-weight:800;color:#a95932}
    .assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-radius:var(--radius);background:var(--paper);border:1px solid var(--line);overflow:hidden}
    .assurance-item{padding:27px 24px;border-right:1px solid var(--line)}
    .assurance-item:last-child{border-right:0}
    .assurance-item strong{display:block;font-size:16px;margin:0 0 7px}
    .assurance-item p{margin:0;color:var(--muted);font-size:13px}
    .quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .quick-item{padding:23px 24px;border-left:3px solid var(--orange);background:#fff;border-radius:0 18px 18px 0}
    .quick-item h3{font-size:17px;margin:0 0 8px;font-weight:800}
    .quick-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-list{max-width:880px;margin:auto}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-button{background:transparent!important;color:var(--ink)!important;font-size:17px;font-weight:760;padding:22px 4px;box-shadow:none!important}
    .accordion-button:after{background-size:16px}
    .accordion-body{padding:0 38px 22px 4px;color:#68675d;line-height:1.8}
    .form-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:35px;align-items:center;padding:38px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
    .form-copy h3{font-size:27px;font-weight:820;margin:0 0 12px}
    .form-copy p{color:var(--muted);margin:0}
    .form-label{font-size:14px;font-weight:750;margin-bottom:7px}
    .form-control,.form-select{border-color:#e4dfd2;border-radius:13px;min-height:48px;background:#fcfbf8}
    textarea.form-control{min-height:110px;resize:vertical}
    .privacy-note{font-size:12px;color:var(--muted);margin:12px 0 0}
    .form-feedback{min-height:24px;margin-top:8px;font-size:14px;font-weight:700;color:#437454}
    .topic-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:16px}
    .topic-card{position:relative;min-height:240px;padding:25px;border-radius:22px;overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:end;transition:.22s ease;background-size:cover;background-position:center}
    .topic-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(30,27,22,.78),rgba(30,27,22,.05))}
    .topic-card>*{position:relative}
    .topic-card h3{font-size:22px;font-weight:820;margin:0 0 6px}
    .topic-card p{margin:0;color:rgba(255,255,255,.83);font-size:14px}
    .topic-card.large{min-height:310px;grid-row:span 2}
    .work-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .work-feature{position:relative;min-height:410px;border-radius:26px;overflow:hidden;background:#524638}
    .work-feature img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
    .work-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(32,28,22,.83),transparent 70%)}
    .work-feature-content{position:absolute;z-index:1;left:30px;right:30px;bottom:28px;color:#fff}
    .work-feature-content h3{font-size:29px;font-weight:820;margin:10px 0}
    .work-feature-content p{max-width:600px;color:rgba(255,255,255,.85);margin:0}
    .work-side{display:grid;grid-template-rows:1fr 1fr;gap:16px}
    .work-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;transition:.22s ease;display:flex;flex-direction:column;justify-content:space-between}
    .work-card h3{font-size:20px;font-weight:800;margin:11px 0 8px}
    .work-card p{font-size:14px;color:var(--muted);margin:0}
    .pill{display:inline-flex;align-items:center;width:max-content;padding:5px 10px;border-radius:999px;background:#f7eddb;color:#a75c31;font-size:12px;font-weight:800}
    .update-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .update-item{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .update-date{font-size:12px;color:#8a877d;min-width:72px}
    .update-item h3{font-size:16px;font-weight:800;margin:0 0 4px}
    .update-item p{font-size:13px;color:var(--muted);margin:0}
    .status-badge{padding:5px 9px;border-radius:999px;color:#50725e;background:#e6f0e8;font-weight:800;font-size:11px;white-space:nowrap}
    .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
    .guide-photo{height:390px;border-radius:26px;overflow:hidden;position:relative}
    .guide-photo img{width:100%;height:100%;object-fit:cover}
    .guide-steps{counter-reset:guide;list-style:none;padding:0;margin:0}
    .guide-steps li{counter-increment:guide;position:relative;padding:0 0 23px 58px;margin-bottom:18px;border-bottom:1px solid var(--line)}
    .guide-steps li:last-child{border-bottom:0;margin-bottom:0}
    .guide-steps li:before{content:counter(guide,decimal-leading-zero);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:14px;display:grid;place-items:center;background:#f2e8d7;color:#a95d33;font-size:13px;font-weight:850}
    .guide-steps h3{font-size:17px;font-weight:800;margin:0 0 6px}
    .guide-steps p{font-size:14px;color:var(--muted);margin:0}
    .feature-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .feature-tile{height:270px;padding:24px;border-radius:22px;position:relative;overflow:hidden;color:#fff;background-size:cover;background-position:center;display:flex;align-items:end}
    .feature-tile:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(35,30,23,.78),rgba(35,30,23,.05))}
    .feature-tile div{position:relative}
    .feature-tile h3{font-size:19px;font-weight:820;margin:0 0 5px}
    .feature-tile p{font-size:13px;color:rgba(255,255,255,.84);margin:0}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .scenario{padding:25px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .scenario-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
    .scenario h3{font-size:18px;font-weight:820;margin:0}
    .scenario p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .tag-row{display:flex;flex-wrap:wrap;gap:7px}
    .tag{background:#f2efe7;color:#666356;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700}
    .entry-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr .7fr;gap:14px}
    .entry-card{padding:23px;border-radius:19px;background:#fff;border:1px solid var(--line);min-height:145px;transition:.2s}
    .entry-card:hover{border-color:#d8a078;transform:translateY(-3px)}
    .entry-card strong{display:block;font-size:18px;margin-bottom:6px}
    .entry-card span{display:block;font-size:13px;color:var(--muted)}
    .entry-card.primary{background:linear-gradient(135deg,#e98343,#d86d39);color:#fff;border:0}
    .entry-card.primary span{color:rgba(255,255,255,.85)}
    .site-footer{background:#29291f;color:#fff;padding:48px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.15)}
    .footer-brand p{font-size:14px;color:rgba(255,255,255,.65);max-width:400px;margin:14px 0 0}
    .footer-links{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap}
    .footer-links a{font-size:14px;color:rgba(255,255,255,.78)}
    .footer-links a:hover{color:#f4b762}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:rgba(255,255,255,.55);font-size:12px}
    @media(max-width:991.98px){
      .hero-panel{min-height:480px}.metric-band{grid-template-columns:repeat(2,1fr)}
      .news-grid{grid-template-columns:1fr 1fr}.news-card.featured{grid-column:span 2}
      .assurance{grid-template-columns:1fr 1fr}.assurance-item:nth-child(2){border-right:0}
      .assurance-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .feature-rail{grid-template-columns:repeat(2,1fr)}
      .entry-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767.98px){
      .nav-shell{min-height:68px}.brand{font-size:19px}
      .hero{padding:18px 0 48px}.hero-panel{min-height:500px;border-radius:26px}
      .hero-content{padding:42px 27px}.hero-content p{font-size:15px}
      .section{padding:56px 0}.section-head{display:block;margin-bottom:25px}
      .section-head .text-link{display:inline-block;margin-top:13px}
      .matrix{grid-template-columns:1fr}.matrix-main{min-height:250px}
      .timeline{grid-template-columns:1fr 1fr;row-gap:25px}
      .timeline:before{display:none}
      .news-grid{grid-template-columns:1fr}.news-card.featured{grid-column:auto;min-height:240px}
      .quick-grid{grid-template-columns:1fr 1fr}
      .form-panel{grid-template-columns:1fr;padding:28px}
      .topic-grid{grid-template-columns:1fr 1fr}.topic-card.large{grid-row:auto;min-height:250px}
      .work-layout{grid-template-columns:1fr}.work-feature{min-height:360px}
      .work-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
      .update-list{grid-template-columns:1fr}
      .guide-layout{grid-template-columns:1fr;gap:27px}.guide-photo{height:300px}
      .scenario-grid{grid-template-columns:1fr 1fr}
      .footer-top{display:block}.footer-links{margin-top:25px}
    }
    @media(max-width:520px){
      body{font-size:15px}.hero-panel{min-height:520px}.hero-content{padding:34px 22px}
      h1{font-size:38px}.hero-actions .btn{width:100%}
      .metric{padding:20px 17px;min-height:135px}.metric-number{font-size:30px}
      .matrix-side{grid-template-columns:1fr 1fr}.matrix-item{padding:18px}
      .compare-head div,.compare-row div{padding:13px 10px;font-size:12px}
      .timeline{grid-template-columns:1fr}.time-step{padding-top:0;padding-left:34px}
      .time-step .time-dot{top:2px}.quick-grid{grid-template-columns:1fr}
      .assurance{grid-template-columns:1fr}.assurance-item{border-right:0;border-bottom:1px solid var(--line)!important}
      .assurance-item:last-child{border-bottom:0!important}
      .topic-grid{grid-template-columns:1fr}.topic-card,.topic-card.large{min-height:220px}
      .work-side{grid-template-columns:1fr}.work-feature-content{left:20px;right:20px;bottom:22px}
      .work-feature-content h3{font-size:24px}.update-item{grid-template-columns:1fr auto;gap:8px}
      .update-date{grid-column:1/-1}.feature-rail{grid-template-columns:1fr 1fr}
      .feature-tile{height:220px;padding:17px}.scenario-grid{grid-template-columns:1fr}
      .entry-grid{grid-template-columns:1fr 1fr}.entry-card{padding:18px}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
      .form-panel{padding:22px}
    }
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}