/* roulang page: index */
:root{
    --canvas:#F6F4F0;
    --surface:#FFFFFF;
    --surface-soft:#FAF8F4;
    --line:#E5E0D7;
    --ink-900:#14110E;
    --ink-600:#5C564E;
    --ink-400:#948C81;
    --brand:#F2511F;
    --brand-strong:#D6401A;
    --brand-soft:#FDEBE4;
    --field:#0F5B4A;
    --panel-900:#16130F;
    --panel-800:#221E19;
    --panel-line:#332D26;
    --r-card:6px;
    --r-media:6px;
    --r-panel:10px;
    --r-btn:999px;
    --r-chip:999px;
    --ease:cubic-bezier(.22,.61,.36,1);
    --t:220ms var(--ease);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--canvas);
    color:var(--ink-900);
    font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    font-feature-settings:"kern" 1;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
  .num{font-family:"Inter","Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.01em;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
  @media (min-width:1024px){.container{padding-left:40px;padding-right:40px;}}

  /* ============ 导航：悬浮深色控制面板 ============ */
  .site-header{position:sticky;top:0;z-index:50;padding:16px 0;}
  .nav-panel{
    background:var(--panel-900);
    border:1px solid var(--panel-line);
    border-radius:var(--r-panel);
    box-shadow:0 18px 40px -30px rgba(20,17,14,.6);
  }
  .nav-inner{display:flex;align-items:center;gap:24px;padding:12px 18px;}
  @media (min-width:1024px){.nav-inner{padding:12px 22px;}}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;flex:0 0 34px;border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    background:var(--brand-soft);color:var(--brand-strong);
  }
  .brand-text{display:flex;align-items:baseline;gap:2px;font-size:17px;line-height:1;color:#F3EDE5;white-space:nowrap;}
  .brand-text b{font-weight:800;letter-spacing:.01em;}
  .brand-text i{font-style:normal;font-weight:400;color:#B7AFA4;}
  .nav-links{display:none;align-items:center;gap:4px;margin-left:auto;}
  @media (min-width:1024px){.nav-links{display:flex;}}
  .nav-link{
    display:block;padding:8px 12px;border-radius:8px;
    font-size:15px;color:#EDE7DF;line-height:1.4;
    transition:background var(--t),color var(--t);
    position:relative;
  }
  .nav-link:hover{background:var(--panel-800);color:#FFFFFF;}
  .nav-link.is-active{color:#FFFFFF;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;
  }
  .nav-cta{
    display:none;flex-shrink:0;padding:10px 20px;border-radius:var(--r-btn);
    background:linear-gradient(180deg,var(--brand) 0%,var(--brand-strong) 100%);
    color:#fff;font-size:14px;font-weight:600;line-height:1.3;
    transition:box-shadow var(--t),transform var(--t);
  }
  .nav-cta:hover{box-shadow:0 10px 20px -10px rgba(214,64,26,.5);transform:translateY(-1px);}
  @media (min-width:1024px){.nav-cta{display:inline-flex;align-items:center;gap:6px;}}
  .nav-toggle{
    margin-left:auto;width:42px;height:42px;border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    background:var(--panel-800);color:#EDE7DF;border:1px solid var(--panel-line);
  }
  @media (min-width:1024px){.nav-toggle{display:none;}}
  .mobile-panel{display:none;border-top:1px solid var(--panel-line);padding:16px 18px 18px;}
  .mobile-panel.is-open{display:block;}
  @media (min-width:1024px){.mobile-panel{display:none !important;}}
  .mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .mobile-card{
    display:flex;align-items:center;gap:8px;
    background:var(--panel-800);border:1px solid var(--panel-line);border-radius:8px;
    padding:12px;font-size:14px;color:#EDE7DF;transition:background var(--t),color var(--t);
  }
  .mobile-card:hover{background:#2C2620;color:#fff;}
  .mobile-card span{flex:1;}
  .mobile-cta{
    margin-top:14px;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 20px;border-radius:var(--r-btn);background:var(--brand-strong);color:#fff;font-weight:600;font-size:15px;
  }

  /* ============ 按钮 / 徽章 ============ */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.4;transition:all var(--t);}
  .btn-primary{background:linear-gradient(180deg,var(--brand) 0%,var(--brand-strong) 100%);color:#fff;}
  .btn-primary:hover{box-shadow:0 10px 20px -10px rgba(214,64,26,.5);transform:translateY(-1px);}
  .btn-ghost{background:transparent;border:1px solid var(--ink-900);color:var(--ink-900);}
  .btn-ghost:hover{background:var(--ink-900);color:#fff;}
  .btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-900);}
  .btn-text .arrow{transition:transform var(--t);}
  .btn-text:hover .arrow{transform:translateX(4px);}
  .badge{display:inline-flex;align-items:center;border-radius:var(--r-chip);padding:4px 10px;font-size:12px;line-height:1.5;font-weight:600;background:var(--brand-soft);color:var(--brand-strong);}
  .badge-field{background:rgba(15,91,74,.1);color:var(--field);}
  .chip{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--r-chip);border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--ink-600);transition:all var(--t);}
  .chip:hover{border-color:#D8D2C7;color:var(--ink-900);}
  .chip.is-active{background:var(--brand-strong);border-color:var(--brand-strong);color:#fff;}

  .link-underline{
    background-image:linear-gradient(var(--ink-900),var(--ink-900));
    background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
    transition:background-size var(--t);
  }
  .link-underline:hover{background-size:100% 1px;}

  /* ============ 板块 ============ */
  .section{padding-top:56px;padding-bottom:56px;}
  @media (min-width:768px){.section{padding-top:72px;padding-bottom:72px;}}
  @media (min-width:1024px){.section{padding-top:108px;padding-bottom:108px;}}
  .section-tight{padding-top:24px;padding-bottom:24px;}

  .sect-bar{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 20px;box-shadow:0 1px 2px rgba(20,17,14,.04);margin-bottom:24px;
  }
  .sect-idx{font-family:"Inter","Barlow Condensed",sans-serif;font-weight:700;color:var(--brand);font-size:15px;letter-spacing:.08em;}
  .sect-name{font-size:19px;font-weight:700;letter-spacing:-.01em;}
  .sect-more{font-size:13px;color:var(--ink-400);display:inline-flex;align-items:center;gap:6px;transition:color var(--t);}
  .sect-more:hover{color:var(--ink-900);}
  .sect-more .arrow{transition:transform var(--t);}
  .sect-more:hover .arrow{transform:translateX(4px);}

  .h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;font-weight:700;letter-spacing:-.01em;}
  .h3{font-size:clamp(19px,2vw,22px);line-height:1.4;font-weight:600;}
  .lead{font-size:16px;line-height:1.85;color:var(--ink-600);}

  /* ============ Hero ============ */
  .hero{padding-top:24px;padding-bottom:8px;}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;}}
  .hero h1{
    font-size:clamp(38px,6vw,64px);line-height:1.05;font-weight:800;letter-spacing:-.01em;
  }
  .hero h1 em{font-style:normal;color:var(--brand);}
  .hero-sub{margin-top:20px;font-size:clamp(17px,1.5vw,19px);line-height:1.75;color:var(--ink-600);max-width:34em;}
  .hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;}
  .hero-media{position:relative;}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-media);border:1px solid var(--line);}
  .hero-media::after{
    content:"";position:absolute;left:0;top:0;right:0;bottom:0;
    border:1px solid var(--brand);border-radius:var(--r-media);
    transform:translate(12px,12px);pointer-events:none;
  }
  .hero-stats{margin-top:48px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;border-top:1px solid var(--line);padding-top:28px;}
  @media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .stat{padding-left:20px;border-left:1px solid var(--line);}
  .stat:first-child{border-left:0;padding-left:0;}
  @media (max-width:767px){
    .stat:nth-child(odd){border-left:0;padding-left:0;}
  }
  .stat-num{font-family:"Inter","Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.1;letter-spacing:-.02em;}
  .stat-num small{font-size:.5em;font-weight:600;color:var(--brand);margin-left:2px;}
  .stat-label{margin-top:6px;font-size:13px;color:var(--ink-400);line-height:1.6;}

  /* ============ 主张编号轴 ============ */
  .claim-axis{position:relative;display:grid;grid-template-columns:1fr;gap:24px;padding-top:28px;border-top:1px solid var(--line);}
  @media (min-width:768px){.claim-axis{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.claim-axis{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;}}
  .claim-idx{font-family:"Inter","Barlow Condensed",sans-serif;font-size:22px;font-weight:700;color:var(--brand);letter-spacing:.04em;}
  .claim-title{margin-top:10px;font-size:18px;font-weight:600;}
  .claim-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-600);}

  /* ============ 故事 ============ */
  .story-grid{display:grid;grid-template-columns:1fr;gap:40px;}
  @media (min-width:1024px){.story-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:64px;align-items:start;}}
  .story-figure{position:relative;}
  .story-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-media);border:1px solid var(--line);}
  .story-tag{
    position:absolute;left:-1px;bottom:16px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--field);
    padding:10px 16px;font-size:12px;letter-spacing:.16em;color:var(--ink-600);
  }
  .quote-field{border-left:3px solid var(--field);padding-left:18px;margin-top:28px;font-size:16px;line-height:1.85;color:var(--ink-900);}

  /* ============ 精选卡 ============ */
  .feature-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:1024px){.feature-grid{grid-template-columns:minmax(0,2fr) minmax(0,1fr);}}
  .feature-side{display:grid;grid-template-columns:1fr;gap:24px;}
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:0 1px 2px rgba(20,17,14,.04);overflow:hidden;
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
    display:flex;flex-direction:column;
  }
  .card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(20,17,14,.18);border-color:#D8D2C7;}
  .card-media img{width:100%;object-fit:cover;border-bottom:1px solid var(--line);}
  .ratio-16-10 img{aspect-ratio:16/10;}
  .ratio-4-3 img{aspect-ratio:4/3;}
  .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-title{font-size:19px;font-weight:600;line-height:1.45;letter-spacing:-.005em;}
  .card-title-lg{font-size:clamp(21px,2.2vw,25px);}
  .card-sum{font-size:14px;line-height:1.8;color:var(--ink-600);}
  .card-foot{margin-top:auto;padding-top:6px;}
  .clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

  /* ============ 最新信息行列表 ============ */
  .log-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 1px 2px rgba(20,17,14,.04);overflow:hidden;}
  .log-row{
    display:grid;grid-template-columns:112px minmax(0,1fr) auto;align-items:center;gap:20px;
    padding:20px 16px;border-bottom:1px solid var(--line);min-height:84px;
    transition:background var(--t),padding-left var(--t);
  }
  .log-row:last-child{border-bottom:0;}
  .log-row:hover{background:var(--surface-soft);padding-left:20px;}
  .log-badge{align-self:flex-start;margin-top:4px;}
  .log-title{display:block;font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.005em;}
  .log-sum{display:block;margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink-600);}
  .log-side{display:flex;align-items:center;gap:12px;color:var(--ink-400);}
  .log-date{font-family:"Inter","Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;font-size:13px;letter-spacing:.02em;}
  .log-row:hover .log-date{color:var(--ink-600);}
  .log-arrow{transition:transform var(--t);color:var(--brand);}
  .log-row:hover .log-arrow{transform:translateX(4px);}
  @media (max-width:767px){
    .log-row{grid-template-columns:minmax(0,1fr);gap:10px;padding:18px 16px;min-height:96px;}
    .log-row:hover{padding-left:16px;}
    .log-badge{align-self:flex-start;margin-top:0;}
    .log-side{justify-content:flex-start;}
  }

  /* ============ 背书 ============ */
  .logo-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  @media (min-width:768px){.logo-wall{grid-template-columns:repeat(3,minmax(0,1fr));}}
  @media (min-width:1024px){.logo-wall{grid-template-columns:repeat(6,minmax(0,1fr));}}
  .logo-cell{
    border:1px solid var(--line);background:var(--surface);border-radius:var(--r-card);
    padding:18px 12px;text-align:center;font-size:13px;color:var(--ink-400);line-height:1.5;
    filter:grayscale(1);transition:color var(--t),border-color var(--t);
  }
  .logo-cell:hover{color:var(--ink-600);border-color:#D8D2C7;}

  .trust-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:32px;}
  @media (min-width:1024px){.trust-grid{grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr);}}
  .trust-main{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--r-card);padding:28px;}
  .trust-quote{font-size:clamp(17px,1.8vw,20px);line-height:1.8;font-weight:500;}
  .trust-by{margin-top:16px;font-size:13px;color:var(--ink-400);}
  .trust-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column;gap:12px;}
  .trust-side p{font-size:14px;line-height:1.85;color:var(--ink-600);}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:820px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;text-align:left;font-size:16.5px;font-weight:600;line-height:1.5;color:var(--ink-900);
    transition:color var(--t);
  }
  .faq-q:hover{color:var(--brand-strong);}
  .faq-plus{flex:0 0 22px;color:var(--brand);transition:transform 260ms var(--ease);}
  .faq-item.is-open .faq-plus{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease),padding var(--t);}
  .faq-item.is-open .faq-a{padding-bottom:22px;}
  .faq-a p{font-size:15px;line-height:1.9;color:var(--ink-600);max-width:46em;}

  /* ============ CTA 表单 ============ */
  .cta-panel{
    background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-panel);
    padding:32px 24px;color:#EDE7DF;
  }
  @media (min-width:1024px){.cta-panel{padding:48px 44px;}}
  .cta-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:1024px){.cta-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:48px;align-items:start;}}
  .cta-title{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:#fff;}
  .cta-desc{margin-top:14px;font-size:15px;line-height:1.85;color:#B7AFA4;}
  .cta-contact{margin-top:22px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#EDE7DF;}
  .cta-contact span{display:inline-flex;align-items:center;gap:8px;}
  .form-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:768px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field label{font-size:13px;color:#B7AFA4;letter-spacing:.02em;}
  .field input,.field select{
    width:100%;background:rgba(255,255,255,.06);border:1px solid #4A423A;border-radius:6px;
    padding:12px 14px;font-size:15px;color:#fff;transition:border-color var(--t),box-shadow var(--t);
  }
  .field input::placeholder{color:#8A8177;}
  .field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(242,81,31,.55);}
  .field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#B7AFA4 50%),linear-gradient(135deg,#B7AFA4 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
  .field-full{grid-column:1 / -1;}
  .form-note{grid-column:1 / -1;font-size:12px;color:#8A8177;line-height:1.7;}
  .form-alert{grid-column:1 / -1;display:none;background:var(--brand-soft);color:var(--brand-strong);font-size:13px;padding:10px 14px;border-radius:6px;}
  .form-alert.is-show{display:block;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--panel-900);border-top:1px solid var(--panel-line);margin-top:56px;color:#B7AFA4;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;}
  .footer-title{font-size:13px;letter-spacing:.14em;font-weight:600;color:#EDE7DF;text-transform:uppercase;margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:#B7AFA4;transition:color var(--t);}
  .footer-links a:hover{color:#fff;}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:#8A8177;max-width:30em;}
  .footer-bottom{border-top:1px solid var(--panel-line);padding:18px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12px;color:#8A8177;}
  .footer-contact li{font-size:14px;color:#B7AFA4;line-height:1.9;}

  /* ============ 动效 ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity 620ms var(--ease),transform 620ms var(--ease);}
  .reveal.is-in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: article */
:root{
  --canvas:#F6F4F0;
  --surface:#FFFFFF;
  --surface-soft:#FAF8F4;
  --line:#E5E0D7;
  --ink-900:#14110E;
  --ink-600:#5C564E;
  --ink-400:#948C81;
  --brand:#F2511F;
  --brand-strong:#D6401A;
  --brand-soft:#FDEBE4;
  --field:#0F5B4A;
  --panel-900:#16130F;
  --panel-800:#221E19;
  --panel-line:#332D26;
  --r-card:6px;
  --r-media:6px;
  --r-panel:10px;
  --r-btn:999px;
  --r-chip:999px;
  --shadow-card:0 1px 2px rgba(20,17,14,.04);
  --shadow-hover:0 14px 30px -14px rgba(20,17,14,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink-900);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}
.num{font-family:"Inter","Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--canvas);padding:16px 0}
.nav-panel{
  background:var(--panel-900);
  border:1px solid var(--panel-line);
  border-radius:var(--r-panel);
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 14px;
}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel-800);color:var(--brand);
  border:1px solid var(--panel-line);
}
.brand-text{display:flex;align-items:baseline;gap:1px;font-size:17px;letter-spacing:.02em}
.brand-text b{font-weight:800;color:#FFFFFF}
.brand-text i{font-style:normal;font-weight:400;color:#B7AFA4}
.nav-links{display:none;align-items:center;gap:2px;margin-left:12px;flex:1 1 auto}
.nav-link{
  color:#EDE7DF;font-size:15px;padding:8px 12px;border-radius:8px;
  position:relative;transition:background-color 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--panel-800);color:#FFFFFF}
.nav-link.is-active{color:#FFFFFF}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-strong) 100%);
  color:#FFFFFF;font-size:14px;font-weight:600;
  padding:9px 20px;border-radius:var(--r-btn);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn-cta:hover{box-shadow:0 10px 20px -10px rgba(214,64,26,.55)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;background:var(--panel-800);
  border:1px solid var(--panel-line);border-radius:8px;color:#EDE7DF;cursor:pointer;
}
.mobile-nav{display:none;margin-top:12px;background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-panel);padding:14px}
.mobile-nav.is-open{display:block}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-card{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  background:var(--panel-800);border:1px solid var(--panel-line);
  border-radius:8px;padding:12px;color:#EDE7DF;font-size:14px;
}
.mobile-card:hover{color:#FFFFFF;border-color:#4A423A}
.mobile-cta{display:block;text-align:center;margin-top:12px}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .mobile-nav{display:none !important}
}

/* ---------- breadcrumb ---------- */
.crumb{padding:28px 0 0;font-size:13px;color:var(--ink-400);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a{color:var(--ink-400);transition:color 220ms var(--ease)}
.crumb a:hover{color:var(--ink-900)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--ink-900)}

/* ---------- article head ---------- */
.article-head{padding:16px 0 40px;max-width:860px}
.article-title{
  font-size:clamp(28px,4.4vw,46px);line-height:1.18;font-weight:800;
  letter-spacing:-0.01em;color:var(--ink-900);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:13px;color:var(--ink-400);
}
.meta-row .divider{width:1px;height:14px;background:var(--line)}
.badge{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);color:var(--brand-strong);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-chip);
}
.head-figure{
  margin-top:32px;border-radius:var(--r-media);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);aspect-ratio:16/9;
}
.head-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- article body ---------- */
.article-wrap{padding-bottom:72px}
.article-body{max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.9;color:var(--ink-900)}
.article-body p{margin:0 0 22px}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  margin:44px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:1em;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 14px}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--surface-soft);
  border-left:3px solid var(--field);color:var(--ink-600);
  border-radius:0 var(--r-card) var(--r-card) 0;
}
.article-body img{width:100%;height:auto;border-radius:var(--r-media);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--ink-400);margin-top:10px}
.article-body ul{margin:0 0 22px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;
  background:var(--brand);border-radius:1px;
}
.article-body ol{padding-left:22px;list-style:decimal;margin:0 0 22px}
.article-body ol li{margin-bottom:8px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--surface-soft);font-weight:600}
.article-body a{color:var(--brand-strong);border-bottom:1px solid rgba(214,64,26,.35)}
.article-body a:hover{border-bottom-color:var(--brand-strong)}
.article-body pre{
  background:var(--surface-soft);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px 18px;overflow-x:auto;font-size:14px;
}
.empty-card{
  max-width:760px;margin:0 auto;padding:40px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--ink-600);
}
.empty-card svg{margin:0 auto 12px;color:var(--ink-400)}
.empty-card a{display:inline-block;margin-top:14px;color:var(--brand-strong);font-weight:600}

/* ---------- section title bar ---------- */
.section-bar{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.section-bar h2{font-size:22px;font-weight:700;display:flex;align-items:center;gap:14px}
.section-bar .idx{font-family:"Inter","Barlow Condensed",sans-serif;font-size:15px;font-weight:700;color:var(--brand)}
.section-bar .more{font-size:14px;color:var(--ink-600);display:inline-flex;align-items:center;gap:6px}
.section-bar .more span{transition:transform 220ms var(--ease)}
.section-bar .more:hover{color:var(--ink-900)}
.section-bar .more:hover span{transform:translateX(4px)}

/* ---------- related cards ---------- */
.related{padding:56px 0 0}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease);
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D8D2C7}
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--surface-soft)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;color:var(--ink-600);line-height:1.7}
.card-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-strong);
  display:inline-flex;align-items:center;gap:6px;
}
.card-link span{transition:transform 220ms var(--ease)}
.card:hover .card-link span{transform:translateX(4px)}

/* ---------- prev / next ---------- */
.pager{padding:40px 0 0}
.pager-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.pager-grid{grid-template-columns:1fr 1fr}}
.pager-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.pager-item:hover{box-shadow:var(--shadow-hover);border-color:#D8D2C7}
.pager-item .label{font-size:12px;letter-spacing:.12em;color:var(--ink-400);text-transform:uppercase}
.pager-item strong{display:block;margin-top:8px;font-size:17px;font-weight:600;line-height:1.55}
.pager-item.next{text-align:right}
.pager-actions{margin-top:28px;text-align:center}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--ink-900);border-radius:var(--r-btn);
  padding:12px 24px;font-size:14px;font-weight:600;
  transition:background-color 220ms var(--ease),color 220ms var(--ease);
}
.btn-outline:hover{background:var(--ink-900);color:#FFFFFF}

/* ---------- footer ---------- */
.site-footer{background:var(--panel-900);color:#B7AFA4;padding:64px 0 28px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text b{color:#FFFFFF}
.footer-desc{font-size:14px;line-height:1.85;max-width:340px;color:#B7AFA4}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:#EDE7DF;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B7AFA4;transition:color 220ms var(--ease)}
.footer-links a:hover{color:#FFFFFF}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--panel-line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:#8C857B;
}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity 600ms var(--ease),transform 600ms var(--ease)}
.fade-up.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fade-up{opacity:1;transform:none}
}
@media (max-width:767px){
  .article-head{padding-bottom:28px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px;margin-top:34px}
  .section-bar{flex-direction:column;align-items:flex-start;gap:10px;padding:18px 20px}
  .pager-item.next{text-align:left}
  .site-footer{padding-top:48px}
}
@media (max-width:480px){
  .article-title{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid > div:first-child{grid-column:1 / -1}
}

/* roulang page: category1 */
:root{
  --canvas:#F6F4F0;
  --surface:#FFFFFF;
  --surface-soft:#FAF8F4;
  --line:#E5E0D7;
  --ink-900:#14110E;
  --ink-600:#5C564E;
  --ink-400:#948C81;
  --brand:#F2511F;
  --brand-strong:#D6401A;
  --brand-soft:#FDEBE4;
  --field:#0F5B4A;
  --panel-900:#16130F;
  --panel-800:#221E19;
  --panel-line:#332D26;
  --r-card:6px;
  --r-media:6px;
  --r-panel:10px;
  --r-btn:999px;
  --r-chip:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--canvas);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease),background-size 220ms var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;padding:16px 0;background:var(--canvas)}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  background:var(--panel-900);
  border:1px solid var(--panel-line);
  border-radius:var(--r-panel);
  padding:12px 16px 12px 18px;
  box-shadow:0 12px 34px -24px rgba(20,17,14,.85);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{display:flex;align-items:baseline;gap:2px;font-size:17px;letter-spacing:.02em;color:#F4EFE8}
.brand-text b{font-weight:800}
.brand-text i{font-style:normal;font-weight:400;color:#B7AFA4}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;font-size:15px;color:#EDE7DF;padding:8px 12px;border-radius:8px;
  white-space:nowrap;transition:background 220ms var(--ease),color 220ms var(--ease);
}
.nav-link:hover{background:var(--panel-800);color:#fff}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:8px;border:1px solid var(--panel-line);
  background:var(--panel-800);color:#EDE7DF;place-items:center;cursor:pointer;
}
.nav-toggle:hover{background:#2B251E}

.mobile-menu{display:none;margin-top:12px;background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-panel);padding:16px}
.mobile-menu.is-open{display:block}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-card{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  background:var(--panel-800);border:1px solid var(--panel-line);border-radius:8px;
  padding:12px;color:#EDE7DF;font-size:14px;transition:background 220ms var(--ease);
}
.mobile-card:hover{background:#2B251E}
.mobile-card.is-active{border-color:var(--brand);color:#fff}
.mobile-cta{margin-top:16px;display:block;text-align:center}

@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:grid}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-primary{background:linear-gradient(180deg,var(--brand),var(--brand-strong));color:#fff}
.btn-primary:hover{background:var(--brand-strong);box-shadow:0 10px 20px -10px rgba(214,64,26,.5)}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-light{background:#fff;color:var(--ink-900);border-color:transparent}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-strong)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn .arrow{transition:transform 220ms var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-900);
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
}
.text-link:hover{background-size:100% 1px}
.text-link .arrow{transition:transform 220ms var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}

/* ---------- Hero ---------- */
.cat-hero{padding:40px 0 0}
.cat-hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.cat-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:56px}}
.breadcrumb{font-size:13px;color:var(--ink-400);display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand-strong)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink-900)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-strong);background:var(--brand-soft);border-radius:var(--r-chip);
  padding:4px 12px;margin-bottom:20px;
}
.hero-title{
  font-size:clamp(32px,5.4vw,54px);font-weight:800;line-height:1.08;letter-spacing:-.01em;
}
.hero-title .hl{color:var(--brand);}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-600);max-width:34em}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.hero-media-wrap{position:relative}
.hero-media-wrap::after{
  content:"";position:absolute;top:-12px;left:-12px;right:12px;bottom:12px;
  border:1px solid var(--brand);border-radius:var(--r-media);pointer-events:none;
}
.hero-media{
  position:relative;z-index:1;overflow:hidden;border-radius:var(--r-media);
  border:1px solid var(--line);aspect-ratio:21/9;background:var(--surface-soft);
}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media (min-width:768px){.stat-bar{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{padding:22px 18px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
@media (max-width:767px){
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}
.stat-num{
  font-family:Inter,"Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;
  font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.1;
}
.stat-num em{font-style:normal;color:var(--brand);font-size:20px;margin-left:2px}
.stat-label{font-size:13px;color:var(--ink-600);margin-top:6px}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-soft{background:var(--surface-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:0 1px 2px rgba(20,17,14,.04);margin-bottom:24px;
}
.section-head-left{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.section-num{
  font-family:Inter,"Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:800;color:var(--brand);letter-spacing:.08em;
}
.section-title{font-size:22px;font-weight:700}
.section-intro{font-size:15px;color:var(--ink-600);max-width:56em;margin-top:8px}
@media (min-width:768px){.section-title{font-size:26px}}
@media (max-width:639px){
  .section-head{padding:18px}
  .section-head .text-link{width:100%}
}

/* ---------- 卡片 ---------- */
.card-grid-2{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:900px){.card-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:0 1px 2px rgba(20,17,14,.04);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(20,17,14,.18);border-color:#D8D2C7}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body .card-desc{flex:1}
.chip{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 10px;border-radius:var(--r-chip);font-size:12px;font-weight:600;line-height:1.6;
  background:var(--brand-soft);color:var(--brand-strong);
}
.chip-field{background:#E6F0EC;color:var(--field)}
.card-title{font-size:20px;font-weight:600;line-height:1.4}
.card-desc{
  font-size:14px;color:var(--ink-600);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:4px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.steps{grid-template-columns:repeat(5,minmax(0,1fr))}}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 20px;box-shadow:0 1px 2px rgba(20,17,14,.04);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(20,17,14,.18)}
.step-num{
  font-family:Inter,"Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:800;color:var(--brand);letter-spacing:.1em;
}
.step-title{font-size:17px;font-weight:600;margin-top:12px}
.step-desc{font-size:14px;color:var(--ink-600);margin-top:8px;line-height:1.8}

/* ---------- 适用场地 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-chip);border:1px solid var(--line);
  background:var(--surface);font-size:14px;color:var(--ink-600);
  transition:border-color 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand-strong);background:var(--brand-soft)}
.tag.is-active{background:var(--brand-strong);border-color:var(--brand-strong);color:#fff}
.venue-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.venue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.venue-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.venue{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.venue:hover{border-color:#D8D2C7;box-shadow:0 14px 30px -14px rgba(20,17,14,.18)}
.venue-icon{color:var(--field)}
.venue-title{font-size:16px;font-weight:600}
.venue-desc{font-size:14px;color:var(--ink-600);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform 260ms var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{padding:0 0 22px;font-size:15px;color:var(--ink-600);line-height:1.85;max-width:44em}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-panel);
  padding:32px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-panel h2{font-size:24px;font-weight:700;color:#F4EFE8}
.cta-panel p{font-size:15px;color:#B7AFA4;margin-top:10px;max-width:40em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:639px){
  .cta-panel{padding:24px}
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel-900);color:#B7AFA4;margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-desc{font-size:14px;line-height:1.85;color:#948C81;margin-top:16px;max-width:34em}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:#EDE7DF;text-transform:uppercase;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B7AFA4}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;color:#B7AFA4;margin-bottom:10px}
.footer-bottom{
  border-top:1px solid var(--panel-line);margin-top:48px;padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:#948C81;
}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.fade-up.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --canvas:#F6F4F0;
  --surface:#FFFFFF;
  --surface-soft:#FAF8F4;
  --line:#E5E0D7;
  --line-strong:#D8D2C7;
  --ink-900:#14110E;
  --ink-600:#5C564E;
  --ink-400:#948C81;
  --brand:#F2511F;
  --brand-strong:#D6401A;
  --brand-soft:#FDEBE4;
  --field:#0F5B4A;
  --panel-900:#16130F;
  --panel-800:#221E19;
  --panel-line:#332D26;
  --r-card:6px;
  --r-media:6px;
  --r-panel:10px;
  --r-btn:999px;
  --r-chip:999px;
  --shadow-card:0 1px 2px rgba(20,17,14,.04);
  --shadow-hover:0 14px 30px -14px rgba(20,17,14,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink-900);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font:inherit}
::selection{background:var(--brand-soft);color:var(--brand-strong)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1024px){.container{padding-left:40px;padding-right:40px}}

.section{padding:44px 0}
@media (min-width:768px){.section{padding:56px 0}}
@media (min-width:1024px){.section{padding:64px 0}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  padding:12px 0 16px;
  background:rgba(246,244,240,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--panel-900);
  border:1px solid var(--panel-line);
  border-radius:var(--r-panel);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;padding:2px 4px}
.brand-mark{
  width:34px;height:34px;border-radius:8px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;flex-shrink:0;
}
.brand-text{font-size:16px;color:#fff;letter-spacing:.01em;white-space:nowrap}
.brand-text b{font-weight:800}
.brand-text i{font-style:normal;font-weight:400;color:#B7AFA4;margin-left:2px}

.nav-links{display:none}
.nav-link{
  display:inline-block;
  font-size:15px;
  color:#EDE7DF;
  padding:8px 12px;
  border-radius:8px;
  transition:background 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--panel-800);color:#fff}
.nav-link.is-active{color:#fff;position:relative}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-cta{display:none}
.nav-toggle{
  margin-left:auto;
  width:42px;height:42px;
  display:grid;place-items:center;
  background:var(--panel-800);
  border:1px solid var(--panel-line);
  border-radius:8px;
  color:#EDE7DF;
  cursor:pointer;
  transition:background 220ms var(--ease)
}
.nav-toggle:hover{background:#2C261F}
.nav-toggle .bars{display:block;width:18px;height:2px;background:currentColor;position:relative;transition:background 200ms var(--ease)}
.nav-toggle .bars::before,.nav-toggle .bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;transition:transform 240ms var(--ease)}
.nav-toggle .bars::before{top:-6px}
.nav-toggle .bars::after{top:6px}
.nav-toggle.is-open .bars{background:transparent}
.nav-toggle.is-open .bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open .bars::after{transform:translateY(-6px) rotate(-45deg)}

.nav-drawer{
  display:none;
  margin-top:10px;
  background:var(--panel-900);
  border:1px solid var(--panel-line);
  border-radius:var(--r-panel);
  padding:14px;
}
.nav-drawer.is-open{display:block}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-card{
  display:flex;align-items:center;gap:10px;
  background:var(--panel-800);
  border:1px solid var(--panel-line);
  border-radius:8px;
  padding:12px 12px;
  color:#EDE7DF;
  font-size:14px;
  line-height:1.4;
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.drawer-card:hover{background:#2C261F;border-color:#443C33}
.drawer-card svg{flex-shrink:0;color:var(--brand)}
.drawer-card.is-active{color:#fff;border-color:var(--brand)}
.drawer-card .go{margin-left:auto;color:var(--ink-400)}
.drawer-cta{margin-top:12px;width:100%;justify-content:center}

@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
  .nav-cta{display:inline-flex;margin-left:8px}
  .nav-toggle{display:none}
  .nav-drawer{display:none !important}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn .arrow{transition:transform 220ms var(--ease);display:inline-block}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-strong) 100%);
  color:#fff;
}
.btn-primary:hover{box-shadow:0 10px 20px -10px rgba(214,64,26,.5)}
.btn-ghost{
  background:transparent;
  border-color:var(--ink-900);
  color:var(--ink-900);
}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-strong);
  background-image:linear-gradient(var(--brand-strong),var(--brand-strong));
  background-repeat:no-repeat;
  background-size:0% 1px;
  background-position:0 100%;
  transition:background-size 260ms var(--ease);
  padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px}
.text-link:hover .arrow{transform:translateX(4px)}
.text-link .arrow{transition:transform 220ms var(--ease)}

/* ---------- 卡片基础 ---------- */
.badge{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);
  color:var(--brand-strong);
  border-radius:var(--r-chip);
  padding:4px 10px;
  font-size:12px;
  font-weight:600;
  line-height:1.4;
}
.badge-field{background:rgba(15,91,74,.1);color:var(--field)}

/* ---------- Hero ---------- */
.cat-hero{padding:28px 0 8px}
@media (min-width:1024px){.cat-hero{padding:40px 0 16px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-400);margin-bottom:18px}
.breadcrumb a{color:var(--ink-400);transition:color 200ms var(--ease)}
.breadcrumb a:hover{color:var(--ink-900)}
.breadcrumb .sep{color:var(--ink-400)}
.breadcrumb .current{color:var(--ink-900)}

.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}}
.hero-title{
  font-size:clamp(34px,5.6vw,58px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink-900);
  margin-bottom:18px;
}
.hero-title .accent{color:var(--brand)}
.hero-title .sep{color:var(--ink-400);font-weight:400;margin:0 6px}
.hero-lead{font-size:17px;color:var(--ink-600);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
@media (max-width:519px){.hero-actions .btn{width:100%}}

.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
  border-radius:var(--r-media);
  border:1px solid var(--line);
}
.hero-media::after{
  content:"";position:absolute;inset:12px -12px -12px 12px;
  border:1px solid var(--brand);
  border-radius:var(--r-media);
  pointer-events:none;
}

.stat-bar{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px 24px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
@media (min-width:768px){.stat-bar{grid-template-columns:repeat(4,1fr)}}
.stat-item{position:relative;padding-left:18px}
.stat-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.stat-item:first-child{padding-left:0}
.stat-item:first-child::before{display:none}
.stat-num{font-family:"Inter","Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--ink-900);line-height:1.2}
.stat-num small{font-size:15px;font-weight:600;color:var(--brand);margin-left:2px}
.stat-label{font-size:13px;color:var(--ink-400);margin-top:2px}

/* ---------- 锚点标签条 ---------- */
.chip-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-600);
  border-radius:var(--r-chip);
  padding:8px 18px;
  font-size:14px;
  font-weight:500;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.chip:hover{border-color:var(--line-strong);color:var(--ink-900)}
.chip.is-current{background:var(--brand-strong);border-color:var(--brand-strong);color:#fff}
.chip.is-current:hover{color:#fff}

/* ---------- 板块标题条 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 22px;
  margin-bottom:26px;
}
.head-left{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.section-num{
  font-family:"Inter","Barlow Condensed",sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.08em;
}
.section-head h2{font-size:22px;font-weight:700;line-height:1.3;color:var(--ink-900)}
@media (min-width:768px){.section-head h2{font-size:26px}}
.section-sub{font-size:14px;color:var(--ink-600);margin-top:10px}
@media (max-width:767px){.section-head .text-link{font-size:13px}}

/* ---------- 紧凑卡网格 ---------- */
.grid-3{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.compact-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.compact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.compact-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.compact-card h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--ink-900);margin:12px 0 8px}
.compact-card p{font-size:14px;color:var(--ink-600);line-height:1.65;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.compact-card .card-more{margin-top:auto;padding-top:16px}

/* ---------- 训练流程 ---------- */
.path-list{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:768px){.path-list{grid-template-columns:repeat(2,1fr);gap:32px}}
@media (min-width:1024px){.path-list{grid-template-columns:repeat(4,1fr)}}
.path-item{position:relative;padding-top:26px}
.path-item::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--line)}
.path-item::after{content:"";position:absolute;top:-4px;left:0;width:9px;height:9px;border-radius:50%;background:var(--brand)}
.path-num{font-family:"Inter","Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em}
.path-item h3{font-size:18px;font-weight:600;color:var(--ink-900);margin:6px 0 8px}
.path-item p{font-size:14px;color:var(--ink-600);line-height:1.7}

/* ---------- 保障区（图文分栏） ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){.split{grid-template-columns:1fr 1.05fr;gap:56px}}
.split h2{font-size:26px;font-weight:700;line-height:1.3;margin-bottom:16px}
@media (min-width:768px){.split h2{font-size:32px}}
.split p{color:var(--ink-600);font-size:15.5px;margin-bottom:14px}
.pull-quote{
  border-left:3px solid var(--field);
  background:var(--surface-soft);
  padding:16px 20px;
  font-size:15px;
  color:var(--ink-900);
  border-radius:0 var(--r-card) var(--r-card) 0;
  margin-top:8px;
}
.assure-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.assure-grid{grid-template-columns:repeat(2,1fr)}}
.assure-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-card);
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.assure-card:hover{box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.assure-card .ico{color:var(--brand);margin-bottom:12px}
.assure-card h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.assure-card p{font-size:14px;color:var(--ink-600);line-height:1.7;margin:0}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 0;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--brand-strong)}
.faq-plus{flex-shrink:0;color:var(--brand);transition:transform 260ms var(--ease);margin-top:3px}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 0 20px;font-size:15px;color:var(--ink-600);line-height:1.85;max-width:700px}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr;gap:32px;
  background:var(--panel-900);
  border:1px solid var(--panel-line);
  border-radius:var(--r-panel);
  padding:30px 24px;
  color:#EDE7DF;
}
@media (min-width:1024px){.cta-panel{grid-template-columns:1fr 1.1fr;gap:56px;padding:48px}}
.cta-panel h2{font-size:26px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:14px}
@media (min-width:768px){.cta-panel h2{font-size:32px}}
.cta-panel .cta-desc{font-size:15px;color:#B7AFA4;margin-bottom:22px}
.cta-contact li{font-size:14.5px;color:#EDE7DF;padding:10px 0;border-top:1px solid var(--panel-line)}
.cta-contact li:last-child{border-bottom:1px solid var(--panel-line)}
.cta-contact span{color:#B7AFA4;display:inline-block;min-width:76px}

.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:repeat(2,1fr)}}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:#B7AFA4}
.field input,.field select{
  background:rgba(255,255,255,.06);
  border:1px solid #4A423A;
  border-radius:6px;
  padding:12px 14px;
  color:#fff;
  font-size:15px;
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.field input::placeholder{color:#8A8178}
.field input:focus,.field select:focus{
  outline:2px solid var(--brand);
  outline-offset:-2px;
  border-color:var(--brand);
}
.field select option{color:#14110E}
.form-error{
  margin:16px 0 0;
  background:var(--brand-soft);
  color:var(--brand-strong);
  border-radius:6px;
  padding:10px 14px;
  font-size:13.5px;
  line-height:1.6;
}
.form-ok{
  margin:16px 0 0;
  background:rgba(15,91,74,.22);
  color:#BEE7DC;
  border-radius:6px;
  padding:10px 14px;
  font-size:13.5px;
}
.cta-form .btn-block{margin-top:18px}
.form-note{font-size:12.5px;color:#8A8178;margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  background:var(--panel-900);
  border-top:1px solid var(--panel-line);
  padding:56px 0 0;
  color:#B7AFA4;
  font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-brand .brand-text{font-size:16px}
.footer-desc{font-size:14px;color:#B7AFA4;line-height:1.8;max-width:340px}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:#EDE7DF;margin-bottom:16px}
.footer-links a{display:block;font-size:14px;color:#B7AFA4;margin-bottom:10px;transition:color 200ms var(--ease)}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;color:#B7AFA4;margin-bottom:10px;line-height:1.7}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--panel-line);
  padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px;
  justify-content:space-between;
  font-size:12px;
  color:#8A8178;
}

/* ---------- 入场动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.fade-up.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --canvas:#F6F4F0; --surface:#FFFFFF; --surface-soft:#FAF8F4; --line:#E5E0D7;
  --ink-900:#14110E; --ink-600:#5C564E; --ink-400:#948C81;
  --brand:#F2511F; --brand-strong:#D6401A; --brand-soft:#FDEBE4;
  --field:#0F5B4A;
  --panel-900:#16130F; --panel-800:#221E19; --panel-line:#332D26;
  --r-card:6px; --r-media:6px; --r-panel:10px; --r-btn:999px; --r-chip:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--canvas); color:var(--ink-900);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px; line-height:1.85; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-family:"Inter","Barlow Condensed",system-ui,-apple-system,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1024px){.container{padding-left:40px;padding-right:40px;}}
.section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.section{padding-top:72px;padding-bottom:72px;}}
@media (min-width:1024px){.section{padding-top:96px;padding-bottom:96px;}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;padding:16px 0;background:var(--canvas);}
.nav-panel{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--panel-900);border:1px solid var(--panel-line);
  border-radius:var(--r-panel);padding:11px 16px;min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:9px;background:var(--brand-strong);color:#fff;
  display:grid;place-items:center;flex:0 0 36px;
}
.brand-text{display:flex;align-items:baseline;line-height:1;letter-spacing:-.01em;}
.brand-text b{font-size:18px;font-weight:800;color:#fff;}
.brand-text i{font-style:normal;font-size:18px;font-weight:400;color:#B7AFA4;margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:#EDE7DF;transition:background 220ms var(--ease),color 220ms var(--ease);white-space:nowrap;
}
.nav-link:hover{background:var(--panel-800);color:#fff;}
.nav-link.is-active{color:#fff;background:var(--panel-800);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;background:var(--brand-strong);color:#fff;
  border-radius:var(--r-btn);padding:10px 20px;font-size:14px;font-weight:600;
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-cta:hover{background:var(--brand);box-shadow:0 10px 20px -10px rgba(214,64,26,.5);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:9px;background:var(--panel-800);
  border:1px solid var(--panel-line);color:#EDE7DF;cursor:pointer;
}
.nav-toggle svg{display:block;margin:0 auto;}
.nav-drawer{
  margin-top:10px;background:var(--panel-900);border:1px solid var(--panel-line);
  border-radius:var(--r-panel);padding:16px;
}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-card{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  background:var(--panel-800);border:1px solid var(--panel-line);border-radius:8px;
  padding:12px;font-size:14px;color:#EDE7DF;
}
.drawer-card.is-active{color:#fff;box-shadow:inset 0 -2px 0 var(--brand);}
.drawer-card .di{color:#948C81;}
.drawer-cta{display:flex;justify-content:center;width:100%;margin-top:14px;}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
}
@media (min-width:768px) and (max-width:1023px){
  .nav-toggle{display:none;}
  .nav-links{display:flex;}
  .nav-link{font-size:13px;padding:7px 8px;}
  .brand-text b,.brand-text i{font-size:16px;}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:14px;font-weight:600;padding:12px 24px;
  border:1px solid transparent;cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn-primary{background:linear-gradient(180deg,var(--brand) 0%,var(--brand-strong) 100%);color:#fff;}
.btn-primary:hover{box-shadow:0 10px 20px -10px rgba(214,64,26,.5);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-900);color:#fff;}
.btn .arrow{transition:transform 220ms var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.link-underline{
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size 220ms var(--ease);padding-bottom:2px;font-weight:600;
}
.link-underline:hover{background-size:100% 1px;}
.chip{
  display:inline-flex;align-items:center;border-radius:var(--r-chip);
  font-size:12px;font-weight:600;padding:4px 10px;line-height:1.5;
}
.chip-brand{background:var(--brand-soft);color:var(--brand-strong);}
.chip-field{background:rgba(15,91,74,.09);color:var(--field);}
.chip-line{background:var(--surface);border:1px solid var(--line);color:var(--ink-600);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:0 1px 2px rgba(20,17,14,.04);
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.card:hover{box-shadow:0 14px 30px -14px rgba(20,17,14,.18);border-color:#D8D2C7;transform:translateY(-3px);}
.section-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;margin-bottom:24px;
}
.bar-left{display:flex;align-items:baseline;gap:12px;}
.bar-num{font-family:"Inter","Barlow Condensed",sans-serif;font-size:14px;font-weight:800;letter-spacing:.08em;color:var(--brand-strong);}
.bar-title{font-size:18px;font-weight:700;}
.bar-link{font-size:14px;color:var(--ink-600);}
.bar-link:hover{color:var(--ink-900);}
.h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
.h3{font-size:20px;font-weight:600;}
.lede{font-size:17px;color:var(--ink-600);line-height:1.8;}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 分类头条 ---------- */
.cat-hero{padding-top:24px;padding-bottom:40px;}
.cat-hero-grid{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){.cat-hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:60px;}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:16px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--ink-900);}
.breadcrumb .sep{color:#C9C2B7;}
.breadcrumb .current{color:var(--ink-900);}
.page-title{font-size:clamp(32px,4.6vw,52px);font-weight:800;letter-spacing:-.01em;line-height:1.08;}
.title-line{display:block;}
.h1-mark{font-style:normal;color:var(--brand-strong);}
.page-lede{margin-top:20px;font-size:17px;line-height:1.8;color:var(--ink-600);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;border-top:1px solid var(--line);padding-top:20px;}
.stat{flex:1 1 130px;padding-right:18px;border-right:1px solid var(--line);margin-bottom:12px;}
.stat:last-child{border-right:0;padding-right:0;}
.stat b{display:inline-block;font-family:"Inter","Barlow Condensed",sans-serif;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);line-height:1.1;}
.stat span{font-size:15px;font-weight:700;color:var(--brand-strong);}
.stat p{font-size:13px;color:var(--ink-400);margin-top:2px;}
.visual-frame{position:relative;border-radius:var(--r-media);}
.visual-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-media);position:relative;z-index:1;}
.visual-frame::after{
  content:"";position:absolute;left:12px;top:12px;right:-12px;bottom:-12px;
  border:1px solid var(--brand);border-radius:var(--r-media);z-index:0;
}

/* ---------- 两列主体 ---------- */
.cat-layout{display:grid;gap:40px;}
@media (min-width:1024px){.cat-layout{grid-template-columns:318px minmax(0,1fr);gap:56px;}}
.aside-stack{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){.aside-stack{position:sticky;top:116px;}}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;}
.aside-title{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:12px;color:var(--ink-900);}
.aside-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:6px;font-size:15px;color:var(--ink-600);
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.aside-nav a:hover{background:var(--surface-soft);color:var(--ink-900);}
.aside-nav a.is-current{background:var(--brand-soft);color:var(--brand-strong);font-weight:600;}
.aside-consult{background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-card);padding:24px;color:#B7AFA4;}
.aside-consult h3{color:#fff;font-size:17px;font-weight:600;margin-bottom:10px;}
.aside-consult p{font-size:14px;line-height:1.75;margin-bottom:14px;}
.consult-line{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:7px 0;border-top:1px solid var(--panel-line);}
.consult-line b{color:#EDE7DF;font-weight:600;}
.aside-consult .btn{width:100%;margin-top:16px;}
.list-col{min-width:0;}
.block-head{margin-bottom:20px;}
.block-head .h2{margin-bottom:10px;}
.block-head p{font-size:15px;color:var(--ink-600);max-width:620px;}

/* ---------- 行列表 ---------- */
.row-list{border-top:1px solid var(--line);}
.row-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background 220ms var(--ease),padding-left 220ms var(--ease),padding-right 220ms var(--ease);
}
.row-item:hover{background:var(--surface-soft);padding-left:22px;}
.row-index{flex:0 0 26px;font-family:"Inter","Barlow Condensed",sans-serif;font-size:14px;font-weight:800;color:var(--brand-strong);letter-spacing:.04em;}
.row-thumb{flex:0 0 96px;width:96px;height:96px;border-radius:var(--r-card);overflow:hidden;background:var(--surface-soft);}
.row-thumb img{width:100%;height:100%;object-fit:cover;}
.row-body{flex:1 1 auto;min-width:0;}
.row-title{font-size:19px;font-weight:600;line-height:1.4;margin:6px 0 4px;transition:color 220ms var(--ease);}
.row-item:hover .row-title{color:var(--brand-strong);}
.row-desc{
  font-size:14px;color:var(--ink-600);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:13px;color:var(--ink-400);}
.row-meta .num{font-size:13px;}
.row-arrow{color:var(--brand-strong);font-size:18px;line-height:1;transition:transform 220ms var(--ease);}
.row-item:hover .row-arrow{transform:translateX(4px);}
@media (max-width:767px){
  .row-item{flex-wrap:wrap;gap:14px;padding:18px 16px;}
  .row-thumb{flex:0 0 64px;width:64px;height:64px;}
  .row-index{flex:0 0 auto;}
  .row-meta{width:100%;flex-direction:row;align-items:center;justify-content:space-between;}
  .row-desc{-webkit-line-clamp:2;}
}

/* ---------- 流程轴 ---------- */
.process-grid{display:grid;gap:24px;}
@media (min-width:768px){.process-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.process-grid{grid-template-columns:repeat(4,1fr);}}
.process-step{position:relative;padding-top:24px;border-top:1px solid var(--line);}
.process-step::before{
  content:"";position:absolute;left:0;top:-1px;width:44px;height:2px;background:var(--brand);
}
.process-step .p-num{font-family:"Inter","Barlow Condensed",sans-serif;font-size:14px;font-weight:800;color:var(--brand-strong);letter-spacing:.08em;}
.process-step h3{font-size:17px;font-weight:600;margin:8px 0 8px;}
.process-step p{font-size:14px;color:var(--ink-600);line-height:1.75;}

/* ---------- 深色保障面板 ---------- */
.guarantee-panel{
  background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-panel);
  padding:32px;display:grid;gap:32px;
}
@media (min-width:1024px){.guarantee-panel{grid-template-columns:.85fr 1.15fr;padding:48px;gap:56px;}}
.guarantee-panel h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.guarantee-panel .g-sub{margin-top:14px;font-size:15px;color:#B7AFA4;line-height:1.8;}
.guarantee-list{display:grid;gap:24px;}
@media (min-width:768px){.guarantee-list{grid-template-columns:repeat(2,1fr);}}
.g-item{display:flex;gap:12px;}
.g-icon{flex:0 0 24px;color:var(--brand);margin-top:2px;}
.g-item h3{font-size:16px;font-weight:600;color:#EDE7DF;margin-bottom:6px;}
.g-item p{font-size:14px;color:#9C948A;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink-900);transition:color 220ms var(--ease);
}
.faq-q:hover{color:var(--brand-strong);}
.faq-icon{flex:0 0 24px;width:24px;height:24px;display:grid;place-items:center;color:var(--brand-strong);transition:transform 260ms var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-a p{margin:0 0 22px;color:var(--ink-600);font-size:15.5px;line-height:1.85;}

/* ---------- 表单 CTA ---------- */
.form-panel{
  background:var(--panel-900);border:1px solid var(--panel-line);border-radius:var(--r-panel);
  padding:32px;display:grid;gap:32px;
}
@media (min-width:1024px){.form-panel{grid-template-columns:1fr 1.1fr;padding:48px;gap:56px;}}
.form-panel .h2{color:#fff;}
.form-panel .form-note{margin-top:16px;font-size:15px;color:#B7AFA4;line-height:1.8;}
.form-contact{margin-top:26px;border-top:1px solid var(--panel-line);padding-top:18px;}
.form-contact div{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:#9C948A;padding:6px 0;}
.form-contact div b{color:#EDE7DF;font-weight:600;}
.form-grid{display:grid;gap:18px;}
@media (min-width:600px){.form-grid{grid-template-columns:1fr 1fr;}}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:#B7AFA4;}
.field input,.field select{
  background:rgba(255,255,255,.06);border:1px solid #4A423A;border-radius:6px;
  padding:12px 14px;color:#fff;font-size:15px;outline:none;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.field input::placeholder{color:#8C857B;}
.field select option{color:#14110E;background:#fff;}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand);}
.field-full{grid-column:1/-1;}
.form-hint{font-size:12px;color:#8C857B;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel-900);padding:64px 0 24px;margin-top:24px;}
.footer-grid{display:grid;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand-strong);}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text i{color:#B7AFA4;}
.footer-desc{font-size:14px;color:#B7AFA4;line-height:1.8;max-width:340px;}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:#EDE7DF;margin:0 0 16px;}
.footer-links a{display:block;font-size:14px;color:#B7AFA4;padding:5px 0;transition:color 220ms var(--ease);}
.footer-links a:hover{color:#fff;}
.footer-contact li{font-size:14px;color:#B7AFA4;padding:5px 0;}
.footer-bottom{
  border-top:1px solid var(--panel-line);margin-top:44px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:#8C857B;
}

@media (max-width:479px){
  .section-bar{padding:16px;}
  .bar-title{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .stat b{font-size:24px;}
  .form-panel{padding:24px;}
  .guarantee-panel{padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-desc{grid-column:1/-1;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root {
    --canvas: #F6F4F0;
    --surface: #FFFFFF;
    --surface-soft: #FAF8F4;
    --line: #E5E0D7;
    --ink-900: #14110E;
    --ink-600: #5C564E;
    --ink-400: #948C81;
    --brand: #F2511F;
    --brand-strong: #D6401A;
    --brand-soft: #FDEBE4;
    --field: #0F5B4A;
    --panel-900: #16130F;
    --panel-800: #221E19;
    --panel-line: #332D26;
    --r-card: 6px;
    --r-media: 6px;
    --r-panel: 10px;
    --r-btn: 999px;
    --r-chip: 999px;
    --shadow-1: 0 1px 2px rgba(20, 17, 14, .04);
    --shadow-2: 0 14px 30px -14px rgba(20, 17, 14, .18);
    --ease: cubic-bezier(.22, .61, .36, 1);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--canvas);
    color: var(--ink-900);
    font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button, input, select, textarea { font: inherit; color: inherit; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  h1, h2, h3, h4, p { margin: 0; }
  :focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
  .num { font-family: Inter, "Barlow Condensed", sans-serif; font-variant-numeric: tabular-nums; }

  .container { width: 100%; max-width: 1240px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
  @media (min-width: 768px) { .container { padding-left: 32px; padding-right: 32px; } }
  @media (min-width: 1024px) { .container { padding-left: 40px; padding-right: 40px; } }

  /* ---------- 导航 ---------- */
  .site-header { position: sticky; top: 0; z-index: 50; padding-top: 16px; }
  .nav-panel {
    display: flex; align-items: center; gap: 16px;
    background: var(--panel-900);
    border: 1px solid var(--panel-line);
    border-radius: var(--r-panel);
    padding: 10px 14px;
    box-shadow: 0 18px 40px -28px rgba(20, 17, 14, .55);
  }
  .brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 17px; letter-spacing: .01em; }
  .brand-mark {
    width: 32px; height: 32px; border-radius: 8px;
    background: var(--panel-800); border: 1px solid var(--panel-line);
    display: grid; place-items: center; color: var(--brand); flex: 0 0 auto;
  }
  .brand-text b { font-weight: 800; }
  .brand-text i { font-style: normal; font-weight: 400; color: #B7AFA4; margin-left: 2px; font-size: 15px; }

  .nav-links { display: none; margin-left: auto; align-items: center; gap: 2px; }
  .nav-link {
    position: relative; font-size: 15px; color: #EDE7DF;
    padding: 8px 12px; border-radius: 8px;
    transition: background 220ms var(--ease), color 220ms var(--ease);
  }
  .nav-link:hover { background: var(--panel-800); color: #fff; }
  .nav-link.is-active { color: #fff; }
  .nav-link.is-active::after {
    content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
    height: 2px; background: var(--brand); border-radius: 2px;
  }
  .nav-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
  .nav-cta {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--brand-strong); color: #fff;
    border-radius: var(--r-btn); padding: 9px 18px;
    font-size: 14px; font-weight: 600; white-space: nowrap;
    transition: box-shadow 220ms var(--ease), background 220ms var(--ease);
  }
  .nav-cta:hover { background: #c23a17; box-shadow: 0 10px 20px -10px rgba(214, 64, 26, .5); }
  .nav-toggle {
    display: grid; place-items: center; width: 40px; height: 40px;
    background: var(--panel-800); border: 1px solid var(--panel-line);
    border-radius: 8px; color: #EDE7DF; cursor: pointer;
    transition: background 220ms var(--ease);
  }
  .nav-toggle:hover { background: #2b261f; }
  @media (min-width: 1024px) {
    .nav-links { display: flex; }
    .nav-actions { margin-left: 0; }
    .nav-toggle { display: none; }
  }

  .mobile-panel {
    display: none; margin-top: 10px;
    background: var(--panel-900); border: 1px solid var(--panel-line);
    border-radius: var(--r-panel); padding: 14px;
  }
  .mobile-panel.is-open { display: block; }
  @media (min-width: 1024px) { .mobile-panel { display: none !important; } }
  .mobile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .mobile-card {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    background: var(--panel-800); border-radius: 8px; padding: 12px;
    font-size: 14px; color: #EDE7DF;
    transition: background 220ms var(--ease), color 220ms var(--ease);
  }
  .mobile-card:hover { background: #2b261f; color: #fff; }
  .mobile-card.is-active { color: #fff; box-shadow: inset 0 -2px 0 var(--brand); }
  .mobile-cta { display: flex; justify-content: center; width: 100%; margin-top: 12px; }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 14px; font-weight: 600; line-height: 1;
    padding: 13px 24px; border-radius: var(--r-btn); border: 1px solid transparent;
    cursor: pointer; transition: all 220ms var(--ease);
  }
  .btn-brand {
    background: var(--brand-strong); color: #fff;
    background-image: linear-gradient(180deg, var(--brand), var(--brand-strong));
  }
  .btn-brand:hover { box-shadow: 0 10px 20px -10px rgba(214, 64, 26, .5); }
  .btn-outline { border-color: var(--ink-900); color: var(--ink-900); background: transparent; }
  .btn-outline:hover { background: var(--ink-900); color: #fff; }
  .btn .arrow { transition: transform 220ms var(--ease); }
  .btn:hover .arrow { transform: translateX(4px); }

  .link-underline {
    background-image: linear-gradient(currentColor, currentColor);
    background-size: 0% 1px; background-position: 0 100%; background-repeat: no-repeat;
    transition: background-size 220ms var(--ease);
  }
  .link-underline:hover { background-size: 100% 1px; }
  .text-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink-600); }
  .text-link:hover { color: var(--ink-900); }

  /* ---------- 面包屑 ---------- */
  .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-400); }
  .breadcrumb .sep { color: var(--ink-400); }
  .breadcrumb .current { color: var(--ink-900); }
  .breadcrumb a:hover { color: var(--ink-900); }

  /* ---------- Hero ---------- */
  .cat-hero { padding: 48px 0 0; }
  .cat-hero-grid { display: grid; gap: 32px; align-items: center; }
  @media (min-width: 1024px) {
    .cat-hero-grid { grid-template-columns: 1.06fr .94fr; gap: 56px; }
  }
  .h1 {
    font-size: clamp(34px, 4.8vw, 56px);
    line-height: 1.1; font-weight: 800; letter-spacing: -.01em;
  }
  .h1 .mark { color: var(--brand); }
  .hero-sub { margin-top: 18px; font-size: 17px; color: var(--ink-600); max-width: 560px; }
  .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
  .hero-media { position: relative; }
  .hero-media img {
    position: relative; z-index: 1; width: 100%; aspect-ratio: 16 / 10;
    object-fit: cover; border-radius: var(--r-media);
  }
  .hero-media::after {
    content: ""; position: absolute; top: 12px; left: 12px; right: -12px; bottom: -12px;
    border: 1px solid var(--brand); border-radius: var(--r-media);
  }

  .stat-bar {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 16px;
    margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line);
  }
  @media (min-width: 768px) { .stat-bar { grid-template-columns: repeat(4, 1fr); } }
  .stat { position: relative; padding-left: 16px; }
  .stat::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
  .stat-num {
    font-family: Inter, "Barlow Condensed", sans-serif; font-variant-numeric: tabular-nums;
    font-size: 32px; font-weight: 800; line-height: 1.1; color: var(--ink-900);
  }
  .stat-num .unit { font-size: 15px; font-weight: 600; color: var(--ink-400); margin-left: 3px; }
  .stat-label { font-size: 13px; color: var(--ink-400); margin-top: 2px; }

  /* ---------- 板块 ---------- */
  .section { padding: 60px 0; }
  @media (min-width: 768px) { .section { padding: 76px 0; } }
  @media (min-width: 1024px) { .section { padding: 96px 0; } }
  .section-head { margin-bottom: 24px; }
  .section-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card);
    padding: 20px 24px; box-shadow: var(--shadow-1);
  }
  .section-bar .no {
    font-family: Inter, "Barlow Condensed", sans-serif; font-variant-numeric: tabular-nums;
    font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: .1em; margin-right: 12px;
  }
  .section-bar h2 { font-size: 21px; font-weight: 700; line-height: 1.4; display: inline; }
  .section-title { font-size: clamp(24px, 3vw, 34px); line-height: 1.25; font-weight: 700; }
  .section-note { margin-top: 12px; color: var(--ink-600); font-size: 15px; max-width: 720px; }
  .section-title-lg { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.22; font-weight: 700; text-align: center; }

  /* ---------- 适用人群 ---------- */
  .fit-grid { display: grid; gap: 24px; }
  @media (min-width: 1024px) { .fit-grid { grid-template-columns: 1.35fr 1fr; gap: 40px; } }
  .fit-cards { display: grid; gap: 16px; }
  @media (min-width: 640px) { .fit-cards { grid-template-columns: 1fr 1fr; } }
  .fit-card {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card);
    padding: 22px; box-shadow: var(--shadow-1);
    transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  }
  .fit-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: #D8D2C7; }
  .fit-icon {
    width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center;
    background: var(--brand-soft); color: var(--brand-strong); margin-bottom: 14px;
  }
  .fit-card h3 { font-size: 18px; font-weight: 600; }
  .fit-card p { margin-top: 8px; font-size: 14px; color: var(--ink-600); line-height: 1.75; }

  .assure {
    background: var(--panel-900); border: 1px solid var(--panel-line);
    border-radius: var(--r-panel); padding: 28px; color: #EDE7DF;
  }
  .assure h3 { font-size: 18px; font-weight: 700; color: #fff; }
  .assure p.lead { margin-top: 10px; font-size: 14px; color: #B7AFA4; line-height: 1.8; }
  .assure-list { margin-top: 20px; display: grid; gap: 14px; }
  .assure-list li {
    position: relative; padding-left: 16px; font-size: 14px; color: #D6CFC6; line-height: 1.75;
  }
  .assure-list li::before {
    content: ""; position: absolute; left: 0; top: 9px; width: 3px; height: 14px;
    background: var(--field); border-radius: 2px;
  }

  /* ---------- 时间轴 ---------- */
  .timeline { position: relative; margin-top: 32px; padding: 4px 0 0; }
  .timeline::before {
    content: ""; position: absolute; left: 50%; top: 0; bottom: 0;
    width: 1px; background: var(--line); transform: translateX(-.5px);
  }
  .tl-item { position: relative; display: grid; grid-template-columns: 1fr 1fr; }
  .tl-item::after {
    content: ""; position: absolute; left: 50%; top: 30px;
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--brand); border: 2px solid var(--canvas);
    transform: translateX(-50%); z-index: 1;
  }
  .tl-card {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card);
    padding: 20px; display: flex; gap: 18px; box-shadow: var(--shadow-1);
    transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  }
  .tl-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: #D8D2C7; }
  .tl-item:nth-child(odd) .tl-card { grid-column: 1; margin: 0 44px 28px 0; }
  .tl-item:nth-child(even) .tl-card { grid-column: 2; margin: 0 0 28px 44px; }
  .tl-media {
    flex: 0 0 96px; width: 96px; height: 96px;
    border-radius: var(--r-media); overflow: hidden; background: var(--surface-soft);
  }
  .tl-media img { width: 100%; height: 100%; object-fit: cover; }
  .tl-body { min-width: 0; }
  .tl-no {
    font-family: Inter, "Barlow Condensed", sans-serif; font-variant-numeric: tabular-nums;
    font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--brand);
  }
  .tl-title { font-size: 18px; font-weight: 600; line-height: 1.45; margin-top: 2px; }
  .tl-desc {
    margin-top: 8px; font-size: 14px; color: var(--ink-600); line-height: 1.72;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .tl-more { margin-top: 10px; font-size: 13px; color: var(--ink-900); display: inline-flex; align-items: center; gap: 6px; }
  .tl-more svg { transition: transform 220ms var(--ease); }
  .tl-card:hover .tl-more svg { transform: translateX(4px); }

  @media (max-width: 767px) {
    .timeline::before { left: 6px; transform: none; }
    .tl-item { grid-template-columns: 1fr; }
    .tl-item::after { left: 6px; top: 26px; }
    .tl-item:nth-child(odd) .tl-card,
    .tl-item:nth-child(even) .tl-card { grid-column: 1; margin: 0 0 24px 26px; }
  }
  @media (max-width: 479px) {
    .tl-card { flex-direction: row; padding: 16px; gap: 14px; }
    .tl-media { flex: 0 0 72px; width: 72px; height: 72px; }
    .tl-title { font-size: 16.5px; }
  }

  /* ---------- 数据口径 ---------- */
  .spec-grid { display: grid; gap: 28px; align-items: center; }
  @media (min-width: 1024px) { .spec-grid { grid-template-columns: 1fr 1.1fr; gap: 48px; } }
  .spec-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r-media); }
  .spec-body h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.3; font-weight: 700; }
  .spec-body p { margin-top: 14px; font-size: 15px; color: var(--ink-600); }
  .spec-list { margin-top: 20px; display: grid; gap: 12px; }
  .spec-list li {
    position: relative; padding-left: 16px; font-size: 15px; color: var(--ink-900); line-height: 1.7;
  }
  .spec-list li::before {
    content: ""; position: absolute; left: 0; top: 9px; width: 3px; height: 14px;
    background: var(--field); border-radius: 2px;
  }
  .spec-list li span { color: var(--ink-600); }
  .spec-foot { margin-top: 20px; }

  /* ---------- FAQ ---------- */
  .faq-wrap { max-width: 820px; margin: 32px auto 0; }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-item:first-child { border-top: 1px solid var(--line); }
  .faq-q {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
    background: none; border: 0; padding: 22px 0; text-align: left; cursor: pointer;
    font-size: 17px; font-weight: 600; color: var(--ink-900);
    transition: color 220ms var(--ease);
  }
  .faq-q:hover { color: var(--brand-strong); }
  .faq-icon { flex: 0 0 auto; color: var(--brand); transition: transform 260ms var(--ease); }
  .faq-item.is-open .faq-icon { transform: rotate(45deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height 260ms var(--ease); }
  .faq-a p { padding: 0 0 22px; font-size: 15px; color: var(--ink-600); line-height: 1.85; }

  /* ---------- CTA 表单 ---------- */
  .cta-panel {
    background: var(--panel-900); border: 1px solid var(--panel-line);
    border-radius: var(--r-panel); padding: 28px; color: #EDE7DF;
  }
  @media (min-width: 768px) { .cta-panel { padding: 36px; } }
  @media (min-width: 1024px) {
    .cta-panel { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; padding: 48px; }
  }
  .cta-panel h2 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35; font-weight: 700; color: #fff; }
  .cta-panel p.lead { margin-top: 12px; font-size: 14.5px; color: #B7AFA4; line-height: 1.8; }
  .cta-contact { margin-top: 20px; display: grid; gap: 8px; }
  .cta-contact li { font-size: 14px; color: #D6CFC6; display: flex; align-items: center; gap: 8px; }
  .cta-contact svg { color: var(--brand); flex: 0 0 auto; }
  .form-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
  @media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .form-grid { margin-top: 0; } }
  .form-field { display: flex; flex-direction: column; gap: 8px; }
  .form-field label { font-size: 13px; color: #B7AFA4; }
  .form-field input, .form-field select {
    background: rgba(255, 255, 255, .06);
    border: 1px solid #4A423A; border-radius: 6px;
    padding: 12px 14px; color: #fff; width: 100%;
    transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease);
  }
  .form-field input::placeholder { color: #7C7268; }
  .form-field select option { background: #221E19; color: #EDE7DF; }
  .form-field input:focus, .form-field select:focus {
    outline: none; border-color: var(--brand); background: rgba(255, 255, 255, .09);
    box-shadow: 0 0 0 2px rgba(242, 81, 31, .55);
  }
  .form-submit { grid-column: 1 / -1; display: flex; justify-content: flex-start; }
  .form-submit .btn { width: 100%; }
  @media (min-width: 640px) { .form-submit .btn { width: auto; } }
  .form-msg { grid-column: 1 / -1; display: none; border-radius: 6px; padding: 10px 14px; font-size: 13px; line-height: 1.6; }
  .form-msg.error { display: block; background: var(--brand-soft); color: var(--brand-strong); }
  .form-msg.ok { display: block; background: rgba(15, 91, 74, .35); color: #B8E3D6; border: 1px solid rgba(15, 91, 74, .8); }

  /* ---------- 页脚 ---------- */
  .site-footer { background: var(--panel-900); padding: 64px 0 24px; }
  .footer-grid { display: grid; gap: 36px; grid-template-columns: 1fr; }
  @media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; } }
  .footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 17px; }
  .footer-brand .brand-mark { color: var(--brand); }
  .footer-desc { margin-top: 14px; font-size: 14px; color: #8E857A; line-height: 1.85; max-width: 380px; }
  .footer-title { font-size: 13px; font-weight: 600; letter-spacing: .12em; color: #EDE7DF; text-transform: uppercase; }
  .footer-links { margin-top: 16px; }
  .footer-links a { display: block; font-size: 14px; color: #B7AFA4; padding: 5px 0; transition: color 220ms var(--ease); }
  .footer-links a:hover { color: #fff; }
  .footer-contact { margin-top: 16px; }
  .footer-contact li { font-size: 14px; color: #B7AFA4; padding: 5px 0; }
  .footer-bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
    margin-top: 44px; padding-top: 20px;
    border-top: 1px solid var(--panel-line);
    font-size: 12px; color: #8A8175;
  }

  /* ---------- 动效 ---------- */
  .reveal { opacity: 0; transform: translateY(12px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
  .reveal.is-in { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
  }