/* roulang page: index */
:root{
    --ink-900:#0F1E18;
    --ink-700:#24382F;
    --brand-700:#16362B;
    --brand-500:#2C6E52;
    --acid-400:#C8F04A;
    --flame-500:#FF6A3D;
    --sand-50:#F6F4EC;
    --sand-100:#ECE8DC;
    --white:#FFFFFF;
    --line:#E1DCCB;
    --muted:#5F6F66;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:14px;
    --shadow-soft:0 1px 0 rgba(15,30,24,.04), 0 18px 40px -24px rgba(15,30,24,.28);
    --shadow-lift:0 1px 0 rgba(15,30,24,.05), 0 28px 56px -26px rgba(15,30,24,.36);
    --grad-brand:linear-gradient(135deg, #16362B 0%, #2C6E52 52%, #C8F04A 100%);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--sand-50);
    color:var(--ink-900);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .16s ease-out,background-color .16s ease-out,border-color .16s ease-out;}
  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:3px solid rgba(200,240,74,.75);outline-offset:2px;border-radius:6px;}
  .shell{width:100%;max-width:1200px;margin:0 auto;padding-left:18px;padding-right:18px;}
  @media (min-width:768px){.shell{padding-left:24px;padding-right:24px;}}
  @media (min-width:1024px){.shell{padding-left:32px;padding-right:32px;}}
  .section{padding:48px 0;}
  @media (min-width:768px){.section{padding:64px 0;}}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .h1{font-size:clamp(30px,4.2vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.02em;}
  .h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
  .h3{font-size:20px;line-height:1.4;font-weight:700;}
  @media (min-width:768px){.h3{font-size:22px;}}
  .lead{font-size:16px;line-height:1.85;color:var(--muted);}
  .num{font-variant-numeric:tabular-nums;}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,236,.92);
    border-bottom:1px solid transparent;
    transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .site-header.is-stuck{
    background:rgba(246,244,236,.86);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
    box-shadow:0 10px 30px -24px rgba(15,30,24,.4);
  }
  .nav-row{display:flex;align-items:center;gap:16px;min-height:72px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
    display:flex;align-items:center;justify-content:center;
  }
  .logo-mark svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);line-height:1.1;}
  .logo-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;}
  .search-form{position:relative;flex:1 1 auto;max-width:520px;}
  .search-form input{
    width:100%;height:46px;padding:0 108px 0 44px;border-radius:999px;
    background:var(--white);border:1px solid var(--line);color:var(--ink-900);
    font-size:15px;transition:border-color .16s ease-out,box-shadow .16s ease-out;
  }
  .search-form input::placeholder{color:#8C9A92;}
  .search-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(200,240,74,.45);outline:none;}
  .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--brand-500);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none;}
  .search-btn{
    position:absolute;right:5px;top:5px;height:36px;padding:0 18px;border:none;border-radius:999px;
    background:var(--ink-900);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
    transition:background-color .16s ease-out,transform .12s ease-out;
  }
  .search-btn:hover{background:var(--flame-500);}
  .search-btn:active{transform:scale(.98);}
  .nav-links{display:none;align-items:center;gap:6px;flex-shrink:0;}
  @media (min-width:1024px){.nav-links{display:flex;}}
  .nav-link{
    position:relative;padding:8px 12px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-700);
  }
  .nav-link:hover{background:rgba(236,232,220,.75);color:var(--brand-500);}
  .nav-link.is-active{color:var(--ink-900);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:999px;
    background:var(--acid-400);
  }
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:var(--white);
    cursor:pointer;flex-shrink:0;
  }
  .nav-toggle svg{width:20px;height:20px;stroke:var(--ink-900);fill:none;stroke-width:1.8;stroke-linecap:round;}
  @media (min-width:1024px){.nav-toggle{display:none;}}
  .nav-mobile-search{display:block;width:100%;max-width:none;margin:0 0 14px;}
  @media (min-width:1024px){.nav-mobile-search{display:none;}}
  .drawer{
    position:fixed;inset:0;z-index:80;background:rgba(15,30,24,.45);
    opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
  }
  .drawer.open{opacity:1;visibility:visible;}
  .drawer-panel{
    position:absolute;right:0;top:0;bottom:0;width:min(88vw,380px);background:var(--sand-50);
    padding:20px 18px;overflow-y:auto;transform:translateX(100%);transition:transform .24s ease-out;
    box-shadow:-20px 0 50px -30px rgba(15,30,24,.5);
  }
  .drawer.open .drawer-panel{transform:translateX(0);}
  .drawer-item{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;padding:0 14px;border-radius:14px;font-size:16px;font-weight:600;color:var(--ink-700);
  }
  .drawer-item:hover{background:var(--sand-100);color:var(--brand-500);}
  .drawer-item svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
    cursor:pointer;border:1px solid transparent;transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .12s ease-out;
  }
  .btn:active{transform:scale(.98);}
  .btn-primary{background:var(--flame-500);color:#fff;}
  .btn-primary:hover{background:#E85A30;}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}
  .btn-outline{background:var(--white);border-color:var(--ink-900);color:var(--ink-900);}
  .btn-outline:hover{background:var(--ink-900);color:#fff;}
  .btn-acid{background:var(--acid-400);color:var(--ink-900);}
  .btn-acid:hover{background:#B7DE3A;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-500);}
  .link-arrow span{transition:transform .16s ease-out;}
  .link-arrow:hover{color:var(--flame-500);}
  .link-arrow:hover span{transform:translateX(3px);}

  /* 卡片与标签 */
  .card{
    position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-soft);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
    overflow:hidden;
  }
  .card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:#D6CFB9;}
  .card-pad{padding:24px;}
  @media (min-width:768px){.card-pad{padding:28px;}}
  .card-flat:hover{transform:none;box-shadow:var(--shadow-soft);}
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
    background:var(--sand-100);color:var(--brand-700);font-size:13px;font-weight:700;
  }
  .tag-acid{background:rgba(200,240,74,.32);color:var(--brand-700);}
  .icon-box{
    width:48px;height:48px;border-radius:14px;background:rgba(200,240,74,.28);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .icon-box svg{width:22px;height:22px;stroke:var(--brand-500);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .media{position:relative;overflow:hidden;background:var(--sand-100);}
  .media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
  .card:hover .media img{transform:scale(1.03);}
  .ratio-16-10{aspect-ratio:16/10;}
  .ratio-16-9{aspect-ratio:16/9;}
  .ratio-4-3{aspect-ratio:4/3;}
  .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;}

  /* Hero */
  .hero{
    position:relative;color:#fff;overflow:hidden;
    background-image:linear-gradient(115deg, rgba(15,30,24,.95) 0%, rgba(22,54,43,.92) 46%, rgba(44,110,82,.84) 100%), url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
  }
  .hero::after{
    content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
    background:radial-gradient(circle, rgba(200,240,74,.36) 0%, rgba(200,240,74,0) 68%);
    pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;padding:56px 0 64px;}
  @media (min-width:768px){.hero-inner{padding:76px 0 88px;}}
  @media (min-width:1024px){.hero-inner{padding:96px 0 104px;}}
  .hero-sub{max-width:620px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);}
  .trust{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:26px;}
  .trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:rgba(255,255,255,.9);}
  .trust-item svg{width:16px;height:16px;stroke:var(--acid-400);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
  .stat-badge{
    position:relative;background:rgba(255,255,255,.97);border-radius:var(--radius-md);
    padding:16px 20px 16px 26px;box-shadow:0 1px 0 rgba(15,30,24,.05), 0 22px 44px -26px rgba(15,30,24,.55);
  }
  .stat-badge::before{
    content:"";position:absolute;left:12px;top:16px;bottom:16px;width:4px;border-radius:999px;background:var(--grad-brand);
  }
  .stat-badge .val{font-size:30px;font-weight:800;line-height:1.1;color:var(--ink-900);font-variant-numeric:tabular-nums;}
  .stat-badge .lbl{font-size:13px;font-weight:600;color:var(--muted);}

  /* 深色区块 */
  .dark-block{background:var(--ink-900);color:#fff;position:relative;overflow:hidden;}
  .dark-block::before{
    content:"";position:absolute;left:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle, rgba(44,110,82,.55) 0%, rgba(44,110,82,0) 70%);
  }
  .dark-block .inner{position:relative;z-index:2;}
  .dark-stat{border-top:1px solid rgba(200,240,74,.35);padding-top:18px;}
  .dark-stat .val{font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1.05;font-variant-numeric:tabular-nums;color:#fff;}
  .dark-stat .val em{font-style:normal;font-size:16px;font-weight:700;color:var(--acid-400);margin-left:6px;}
  .dark-stat .txt{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;}

  /* 流程 */
  .steps{position:relative;}
  .step-item{position:relative;padding-left:52px;padding-bottom:28px;}
  .step-item:last-child{padding-bottom:0;}
  .step-item::before{
    content:"";position:absolute;left:17px;top:34px;bottom:-6px;width:1px;background:var(--line);
  }
  .step-item:last-child::before{display:none;}
  .step-dot{
    position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;
    background:var(--acid-400);color:var(--ink-900);font-weight:800;font-size:14px;
    display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
  }
  .step-title{font-size:17px;font-weight:800;color:var(--ink-900);}
  .step-desc{font-size:14px;color:var(--muted);line-height:1.75;}

  /* 最新信息 */
  .post-main{display:grid;grid-template-columns:1fr;}
  @media (min-width:900px){.post-main{grid-template-columns:44% 1fr;}}
  .post-main .media{min-height:220px;}
  .post-thumb{aspect-ratio:16/9;}
  .meta-row{display:flex;align-items:center;gap:14px;font-size:14px;color:var(--muted);flex-wrap:wrap;}
  .meta-row svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

  /* 空态 */
  .empty-panel{
    text-align:center;padding:48px 24px;background:var(--white);border:1px dashed var(--line);border-radius:var(--radius-lg);
  }
  .empty-panel .ring{
    width:72px;height:72px;margin:0 auto 16px;border-radius:50%;border:2px dashed var(--line);
    display:flex;align-items:center;justify-content:center;
  }
  .empty-panel .ring svg{width:28px;height:28px;stroke:var(--brand-500);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

  /* FAQ */
  .faq-item{
    position:relative;background:var(--white);border:1px solid var(--line);border-radius:16px;
    overflow:hidden;transition:box-shadow .2s ease-out;
  }
  .faq-item + .faq-item{margin-top:12px;}
  .faq-item[open]{box-shadow:var(--shadow-soft);}
  .faq-item::before{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
    opacity:0;transition:opacity .2s ease-out;
  }
  .faq-item[open]::before{opacity:1;}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-size:16px;font-weight:700;color:var(--ink-900);
    position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;
    border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
    transform:translateY(-70%) rotate(45deg);transition:transform .2s ease-out;
  }
  .faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
  .faq-body{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-700);}

  /* 表单 */
  .form-card{background:var(--white);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-soft);}
  @media (min-width:768px){.form-card{padding:32px;}}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:7px;}
  .field .req{color:var(--flame-500);margin-left:3px;}
  .field input,.field select,.field textarea{
    width:100%;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--sand-50);
    padding:12px 14px;font-size:15px;color:var(--ink-900);transition:border-color .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out;
  }
  .field textarea{min-height:112px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;background:var(--white);border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(200,240,74,.45);
  }
  .field .hint{font-size:13px;color:var(--muted);margin-top:6px;}
  .contact-line{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(255,255,255,.92);}
  .contact-line svg{width:18px;height:18px;stroke:var(--acid-400);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);}
  .site-footer h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
  .footer-link{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.72);}
  .footer-link:hover{color:var(--acid-400);}
  .footer-logo{display:flex;align-items:center;gap:10px;}
  .footer-logo .logo-mark{background:var(--grad-brand);}
  .footer-logo .txt{font-size:18px;font-weight:800;color:#fff;}
  .social{display:flex;gap:10px;}
  .social a{
    width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
    display:flex;align-items:center;justify-content:center;transition:background-color .16s ease-out,border-color .16s ease-out;
  }
  .social a:hover{background:rgba(200,240,74,.16);border-color:rgba(200,240,74,.55);}
  .social svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}

  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease-out,transform .6s ease-out;}
  .reveal.in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
    .card,.btn,.media img{transition:none;}
  }

/* roulang page: category1 */
:root{
  --ink-900:#0F1E18;
  --ink-700:#24382F;
  --brand-700:#16362B;
  --brand-500:#2C6E52;
  --acid-400:#C8F04A;
  --flame-500:#FF6A3D;
  --sand-50:#F6F4EC;
  --sand-100:#ECE8DC;
  --white:#FFFFFF;
  --line:#E1DCCB;
  --muted:#5F6F66;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-soft:0 1px 0 rgba(15,30,24,.04), 0 18px 40px -24px rgba(15,30,24,.28);
  --shadow-hover:0 1px 0 rgba(15,30,24,.05), 0 28px 52px -22px rgba(15,30,24,.36);
  --grad-brand:linear-gradient(135deg,#16362B 0%,#2C6E52 52%,rgba(200,240,74,.68) 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ol,ul{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .16s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(200,240,74,.75);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-white{background:var(--white);}
.section-sand{background:var(--sand-100);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,236,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-stuck{backdrop-filter:blur(12px);box-shadow:0 12px 30px -26px rgba(15,30,24,.6);}
.nav-row{display:flex;align-items:center;gap:22px;height:78px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;line-height:1.15;letter-spacing:-.01em;}
.logo-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.search-form{
  position:relative;flex:1 1 auto;max-width:520px;min-width:220px;
  display:none;align-items:center;gap:8px;
  height:48px;padding:5px 5px 5px 42px;
  background:var(--white);border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(200,240,74,.45);}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:19px;height:19px;fill:none;stroke:var(--muted);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.search-form input{flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:15px;outline:none;}
.search-form input::placeholder{color:#9AA89F;}
.search-btn{
  height:38px;padding:0 20px;border:0;border-radius:999px;
  background:var(--ink-900);color:#fff;font-size:14px;font-weight:700;
  transition:background .18s ease;
}
.search-btn:hover{background:var(--flame-500);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-shrink:0;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-700);white-space:nowrap;
}
.nav-link:hover{color:var(--brand-500);background:var(--sand-100);}
.nav-link.is-active{color:var(--brand-700);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;background:var(--acid-400);
}
.nav-toggle{
  display:none;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;background:var(--white);
}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:var(--ink-900);stroke-width:1.8;stroke-linecap:round;}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(15,30,24,.45);}
.drawer[hidden]{display:none;}
.drawer-inner{width:min(88%,380px);height:100%;margin-left:auto;background:var(--sand-50);padding:20px 18px 40px;overflow-y:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:17px;font-weight:800;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--white);font-size:16px;}
.drawer .search-form{display:flex !important;max-width:none;width:100%;margin-bottom:18px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:14px;font-size:16px;font-weight:600;background:var(--white);border:1px solid var(--line);margin-bottom:10px;
}
.drawer-nav a:hover{background:var(--sand-100);color:var(--brand-500);}
.drawer-nav a svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-700);color:#fff;padding:56px 0 76px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(15,30,24,.94) 0%,rgba(22,54,43,.88) 48%,rgba(44,110,82,.72) 100%);
}
.page-hero .shell{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.7);}
.breadcrumb a:hover{color:var(--acid-400);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(200,240,74,.16);color:var(--acid-400);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.hero-h1{
  font-size:clamp(30px,4.2vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin-top:20px;max-width:820px;
}
.hero-sub{margin-top:20px;max-width:640px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--flame-500);color:#fff;box-shadow:0 16px 30px -18px rgba(255,106,61,.95);}
.btn-primary:hover{background:#e85a2e;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-outline{background:var(--white);border-color:var(--ink-900);color:var(--ink-900);}
.btn-outline:hover{background:var(--ink-900);color:#fff;}
.btn-block{width:100%;}

.stat-badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:46px;max-width:760px;}
.stat-badge{
  position:relative;background:var(--white);color:var(--ink-900);
  border-radius:var(--r-md);padding:18px 20px 18px 24px;box-shadow:var(--shadow-soft);
}
.stat-badge::before{content:"";position:absolute;left:10px;top:18px;bottom:18px;width:4px;border-radius:999px;background:var(--grad-brand);}
.stat-badge .num{display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--brand-700);}
.stat-badge .lab{display:block;margin-top:6px;font-size:13px;color:var(--muted);}

/* ---------- intro ---------- */
.lede-band{background:var(--white);border-bottom:1px solid var(--line);}
.lede-band .inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:56px 0;}
.lede-band p{font-size:17px;line-height:1.9;color:var(--ink-700);}
.lede-points{display:grid;gap:12px;}
.lede-points li{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--sand-50);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 18px;font-size:15px;color:var(--ink-700);
}
.lede-points svg{width:18px;height:18px;flex-shrink:0;margin-top:5px;fill:none;stroke:var(--brand-500);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- topic rows ---------- */
.topic-list{display:grid;gap:0;}
.topic-row{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:56px 0;border-top:1px solid var(--line);
}
.topic-row:first-child{border-top:0;padding-top:8px;}
.topic-row.reverse .topic-media{order:2;}
.topic-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-soft);
}
.topic-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.topic-media:hover img{transform:scale(1.03);}
.topic-num{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 13px;border-radius:999px;background:rgba(15,30,24,.78);color:#fff;
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.topic-body h3{font-size:22px;font-weight:800;line-height:1.35;}
.topic-body p{margin-top:14px;color:var(--muted);font-size:16px;}
.point-list{margin-top:20px;}
.point-list li{position:relative;padding-left:22px;margin-top:10px;font-size:15px;color:var(--ink-700);}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:999px;background:var(--acid-400);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-500);margin-top:22px;}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand-700);}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow li{
  background:var(--sand-50);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease;
}
.flow li:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.flow-num{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:999px;
  background:var(--acid-400);color:var(--ink-900);font-weight:800;font-size:15px;
}
.flow h3{margin-top:16px;font-size:18px;font-weight:800;}
.flow p{margin-top:10px;font-size:15px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-soft);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 24px;font-size:17px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:var(--brand-500);line-height:1;
}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{background:linear-gradient(90deg,var(--grad-brand)) top left / 100% 3px no-repeat;}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;}
.cta-band .inner{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:72px 0;}
.cta-band h2{font-size:clamp(24px,2.6vw,36px);font-weight:800;line-height:1.25;}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.88);max-width:520px;}
.contact-lines{margin-top:26px;display:grid;gap:12px;}
.contact-lines li{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(255,255,255,.92);}
.contact-lines svg{width:18px;height:18px;fill:none;stroke:var(--acid-400);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
.form-card{background:var(--white);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-soft);color:var(--ink-900);}
.form-card h3{font-size:19px;font-weight:800;}
.form-card .hint{margin-top:8px;font-size:14px;color:var(--muted);}
.field{margin-top:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field label .req{color:var(--flame-500);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:var(--sand-100);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;outline:none;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  background:var(--white);border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(200,240,74,.45);
}
.form-note{margin-top:14px;font-size:13px;color:var(--muted);}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:999px;background:var(--sand-100);color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.card-body h3{margin-top:14px;font-size:18px;font-weight:800;line-height:1.45;}
.card-body p{margin-top:10px;font-size:15px;color:var(--muted);flex:1;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#C7D3CC;margin-top:0;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo .txt{font-size:18px;font-weight:800;color:#fff;}
.footer-link{display:block;font-size:14px;line-height:2.1;color:#B4C3BA;}
.footer-link:hover{color:var(--acid-400);}
.social{display:flex;gap:10px;}
.social a{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  transition:background .18s ease,transform .18s ease;
}
.social a:hover{background:rgba(200,240,74,.16);transform:translateY(-3px);}
.social svg{width:19px;height:19px;fill:none;stroke:var(--acid-400);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA096;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .shell{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-row{gap:16px;}
  .search-form{max-width:360px;min-width:180px;}
  .lede-band .inner{grid-template-columns:1fr;gap:32px;padding:48px 0;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band .inner{grid-template-columns:1fr;padding:56px 0;}
}
@media (max-width:768px){
  .nav-row{flex-wrap:wrap;height:auto;padding:14px 0;gap:12px;}
  .logo{flex:1 1 auto;}
  .nav-toggle{display:grid;}
  .nav-links{display:none;}
  .search-form{display:flex !important;order:3;flex:1 0 100%;max-width:none;min-width:0;height:48px;margin:0;}
  .topic-row{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .topic-row.reverse .topic-media{order:0;}
  .stat-badges{grid-template-columns:1fr;gap:12px;}
  .faq-item summary{padding:18px 52px 18px 20px;font-size:16px;}
}
@media (max-width:520px){
  .shell{padding:0 18px;}
  .section{padding:48px 0;}
  .page-hero{padding:36px 0 52px;}
  .hero-actions .btn{width:100%;}
  .flow{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink-900:#0F1E18;
  --ink-700:#24382F;
  --brand-700:#16362B;
  --brand-500:#2C6E52;
  --acid-400:#C8F04A;
  --flame-500:#FF6A3D;
  --sand-50:#F6F4EC;
  --sand-100:#ECE8DC;
  --white:#FFFFFF;
  --line:#E1DCCB;
  --muted:#5F6F66;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 1px 0 rgba(15,30,24,.04), 0 18px 40px -24px rgba(15,30,24,.28);
  --shadow-2:0 1px 0 rgba(15,30,24,.05), 0 28px 58px -22px rgba(15,30,24,.36);
  --grad-brand:linear-gradient(135deg,#16362B 0%,#2C6E52 52%,rgba(200,240,74,.68) 100%);
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--sand-50);
  -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;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
svg{display:block;}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:800;}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-500);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:999px;background:var(--acid-400);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,236,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 14px 30px -24px rgba(15,30,24,.5);}
.nav-row{display:flex;align-items:center;gap:20px;min-height:74px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:23px;height:23px;fill:none;stroke:#0F1E18;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.2;color:var(--ink-900);}
.logo-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.08em;margin-top:2px;}
.search-form{
  position:relative;display:flex;align-items:center;flex:1 1 300px;max-width:520px;
  background:var(--white);border:1px solid var(--line);border-radius:999px;
  padding:4px 4px 4px 44px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(200,240,74,.45);}
.search-icon{position:absolute;left:16px;width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.search-form input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;height:38px;}
.search-form input::placeholder{color:#9AA8A0;}
.search-btn{
  border:0;background:var(--ink-900);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;cursor:pointer;transition:background .18s ease,transform .12s ease;
}
.search-btn:hover{background:var(--flame-500);}
.search-btn:active{transform:scale(.98);}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink-700);padding:8px 0;transition:color .16s ease;}
.nav-link:hover{color:var(--brand-500);}
.nav-link.is-active{color:var(--ink-900);}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:999px;background:var(--acid-400);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:var(--white);align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:var(--ink-900);stroke-width:1.8;stroke-linecap:round;}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(15,30,24,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.nav-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,380px);
  background:var(--sand-50);padding:22px 22px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head strong{font-size:16px;font-weight:800;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;line-height:1;}
.search-form.mobile-search{display:flex !important;max-width:100%;flex:0 0 auto;margin-bottom:18px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  background:#fff;border:1px solid var(--line);margin-bottom:10px;
}
.drawer-link svg{width:16px;height:16px;fill:none;stroke:var(--brand-500);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.drawer-link:hover{background:var(--sand-100);}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--brand-700);color:#fff;}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.3;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(15,30,24,.94) 0%,rgba(22,54,43,.86) 52%,rgba(44,110,82,.72) 100%);
}
.page-banner .shell{position:relative;z-index:2;padding-top:40px;padding-bottom:52px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:#C6D3C9;}
.breadcrumb a{color:#DCE7DD;transition:color .16s ease;}
.breadcrumb a:hover{color:var(--acid-400);}
.breadcrumb .sep{color:rgba(220,231,221,.5);}
.breadcrumb .current{color:#9FB2A6;}
.page-title{
  margin-top:20px;font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:800;
  letter-spacing:-.02em;color:#fff;max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:22px;font-size:14px;color:#C6D3C9;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(200,240,74,.8);}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:5px 13px;border-radius:999px;background:var(--acid-400);color:var(--ink-900);
}

/* ---------- article layout ---------- */
.article-wrap{margin-top:-34px;position:relative;z-index:5;}
.article-layout{display:grid;gap:40px;}
.article-main{min-width:0;max-width:840px;margin:0 auto;width:100%;}
.cover-figure{
  margin:0 0 28px;border-radius:20px;overflow:hidden;background:var(--sand-100);
  box-shadow:var(--shadow-1);aspect-ratio:21/9;
}
.cover-figure img{width:100%;height:100%;object-fit:cover;}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:40px;
}
.cms-content{font-size:17px;line-height:1.95;color:var(--ink-900);}
.cms-content > * + *{margin-top:1.25em;}
.cms-content h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:800;line-height:1.35;
  margin-top:40px;margin-bottom:16px;padding-left:18px;
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:6px;border-radius:6px;background:var(--acid-400);
}
.cms-content h3{font-size:19px;font-weight:700;margin-top:28px;margin-bottom:12px;}
.cms-content strong{font-weight:700;}
.cms-content a{color:var(--brand-500);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.cms-content a:hover{color:var(--flame-500);}
.cms-content ul{list-style:none;}
.cms-content ul > li{position:relative;padding-left:24px;margin-top:10px;}
.cms-content ul > li::before{content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--brand-500);}
.cms-content ol{padding-left:1.4em;}
.cms-content ol > li{margin-top:10px;padding-left:4px;}
.cms-content blockquote{
  background:var(--sand-100);border-left:4px solid var(--brand-500);border-radius:12px;
  padding:18px 22px;color:var(--ink-700);
}
.cms-content img{border-radius:16px;margin:28px auto;}
.cms-content figure figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.cms-content table{
  width:100%;border-collapse:collapse;font-size:15px;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
}
.cms-content th{background:var(--sand-50);font-weight:700;text-align:left;}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:12px 14px;vertical-align:top;}
.cms-content pre{background:var(--ink-900);color:#E9F2E6;border-radius:14px;padding:18px 20px;overflow-x:auto;font-size:14px;}
.cms-content code{background:var(--ink-900);color:var(--acid-400);padding:2px 8px;border-radius:8px;font-size:14px;}
.cms-content pre code{background:none;color:inherit;padding:0;}

.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-md);background:var(--sand-50);
}
.empty-state .mark{
  width:64px;height:64px;border-radius:20px;border:1.5px solid var(--brand-500);margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
}
.empty-state .mark svg{width:28px;height:28px;fill:none;stroke:var(--brand-500);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h3{font-size:18px;margin-bottom:8px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px;}

.author-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--sand-100);
  border-radius:16px;padding:20px 22px;margin-top:28px;
}
.author-avatar{
  width:46px;height:46px;border-radius:14px;background:var(--grad-brand);flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
}
.author-avatar svg{width:24px;height:24px;fill:none;stroke:#0F1E18;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.author-card h4{font-size:15px;margin-bottom:6px;}
.author-card p{font-size:14px;color:var(--muted);}

.cta-bar{
  margin-top:34px;background:var(--grad-brand);border-radius:var(--r-lg);padding:32px 34px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.cta-bar h3{font-size:20px;font-weight:800;max-width:520px;}
.cta-bar p{font-size:14px;color:#DCE7DD;margin-top:8px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:700;padding:13px 26px;
  cursor:pointer;border:1px solid transparent;transition:background .18s ease,transform .12s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--flame-500);color:#fff;}
.btn-primary:hover{background:#EF5A2C;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn-outline{background:#fff;color:var(--ink-900);border-color:var(--ink-900);}
.btn-outline:hover{background:var(--ink-900);color:#fff;}
.btn:focus-visible,.nav-toggle:focus-visible,.drawer-close:focus-visible,.search-btn:focus-visible{
  outline:3px solid rgba(200,240,74,.75);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-500);transition:color .16s ease,gap .16s ease;}
.link-arrow:hover{color:var(--flame-500);gap:10px;}
.back-row{margin-top:26px;}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:22px;min-width:0;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-1);}
.side-card h3{font-size:16px;margin-bottom:14px;}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:var(--sand-100);color:var(--brand-700);transition:background .16s ease,color .16s ease;
}
.tag:hover{background:var(--acid-400);color:var(--ink-900);}
.side-list{display:flex;flex-direction:column;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:46px;
  font-size:14px;font-weight:600;color:var(--ink-700);border-bottom:1px dashed var(--line);
  transition:color .16s ease;
}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--brand-500);}
.side-list svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.side-contact{background:var(--ink-900);color:#D7DED8;border-color:var(--ink-900);}
.side-contact h3{color:#fff;}
.side-contact p{font-size:14px;line-height:1.9;}
.side-contact .btn{margin-top:16px;width:100%;}

/* ---------- cards ---------- */
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--sand-100);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-text{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.card-date{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.card-date svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;position:relative;
  transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-size:16px;font-weight:700;
  position:relative;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item[open] summary::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);}
.faq-item .faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-700);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#D7DED8;margin-top:88px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.footer-logo .logo-mark{width:36px;height:36px;border-radius:12px;}
.footer-link{display:block;font-size:14px;line-height:1.8;padding:5px 0;color:#B9C4BC;transition:color .16s ease;}
.footer-link:hover{color:var(--acid-400);}
.social{display:flex;gap:10px;}
.social a{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:#D7DED8;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.social a:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff;}
.social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8FA096;
}

/* ---------- responsive ---------- */
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;}
  .article-side{position:sticky;top:98px;}
}
@media (max-width:1279px){
  .article-main{margin:0 auto;}
}
@media (max-width:1023px){
  .shell{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .article-card{padding:30px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .shell{padding:0 18px;}
  .nav-row{min-height:64px;gap:12px;}
  .search-form{display:none !important;}
  .logo-text{font-size:15px;}
  .logo-sub{font-size:10px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .page-banner .shell{padding-top:28px;padding-bottom:40px;}
  .page-title{margin-top:16px;}
  .article-card{padding:22px;border-radius:18px;}
  .cover-figure{aspect-ratio:16/9;border-radius:16px;}
  .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-bar .btn{width:100%;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;justify-content:flex-start;}
  .cms-content{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover{transform:none;}
}

/* roulang page: category2 */
:root{
    --ink-900:#0F1E18;
    --ink-700:#24382F;
    --brand-700:#16362B;
    --brand-500:#2C6E52;
    --acid-400:#C8F04A;
    --flame-500:#FF6A3D;
    --sand-50:#F6F4EC;
    --sand-100:#ECE8DC;
    --white:#FFFFFF;
    --line:#E1DCCB;
    --muted:#5F6F66;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:14px;
    --shadow-soft:0 1px 0 rgba(15,30,24,.04), 0 18px 40px -24px rgba(15,30,24,.28);
    --shadow-hover:0 1px 0 rgba(15,30,24,.05), 0 28px 52px -26px rgba(15,30,24,.38);
    --grad-brand:linear-gradient(135deg,#16362B 0%,#2C6E52 52%,#C8F04A 100%);
    --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  }
  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    color:var(--ink-900);
    background:var(--sand-50);
  }
  img{max-width:100%;display:block;}
  a{color:var(--brand-500);text-decoration:none;transition:color .16s ease-out;}
  a:hover{color:var(--brand-700);}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.02em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:3px solid rgba(200,240,74,.85);outline-offset:2px;}
  .num{font-variant-numeric:tabular-nums;}

  /* 容器 */
  .shell{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
  .section{padding-top:88px;padding-bottom:88px;}
  .section-tight{padding-top:64px;padding-bottom:64px;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.06em;
    color:var(--brand-700);background:var(--sand-100);
    border-radius:999px;padding:6px 14px;
  }
  .section-title{font-size:clamp(24px,2.6vw,36px);line-height:1.25;}
  .section-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);max-width:660px;}

  /* 导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,236,.92);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease-out, background .25s ease-out;
  }
  .site-header.is-scrolled{background:rgba(246,244,236,.97);box-shadow:0 14px 34px -26px rgba(15,30,24,.5);}
  .nav-row{display:flex;align-items:center;gap:20px;min-height:76px;}
  .logo{display:flex;align-items:center;gap:10px;color:var(--ink-900);flex:0 0 auto;}
  .logo:hover{color:var(--ink-900);}
  .logo-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    background:var(--grad-brand);color:#fff;
  }
  .logo-mark svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
  .logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.15;}
  .logo-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.08em;}
  .search-form{
    position:relative;flex:1 1 auto;max-width:520px;
    display:flex;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    height:48px;padding-left:44px;padding-right:6px;
    transition:border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(200,240,74,.45);}
  .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:19px;height:19px;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round;}
  .search-form input{
    border:0;outline:0;background:transparent;width:100%;height:100%;
    font-size:15px;color:var(--ink-900);font-family:inherit;
  }
  .search-form input::placeholder{color:#93A199;}
  .search-btn{
    border:0;cursor:pointer;height:38px;padding:0 20px;border-radius:999px;
    background:var(--ink-900);color:#fff;font-size:14px;font-weight:700;
    transition:background .18s ease-out, transform .18s ease-out;
  }
  .search-btn:hover{background:var(--flame-500);}
  .search-btn:active{transform:scale(.98);}
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex:0 0 auto;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:10px 12px;font-size:15px;font-weight:700;color:var(--ink-700);
    border-radius:10px;transition:color .16s ease-out, background .16s ease-out;
  }
  .nav-link:hover{color:var(--brand-700);background:var(--sand-100);}
  .nav-link.is-active{color:var(--brand-700);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:999px;
    background:var(--acid-400);
  }
  .nav-toggle{
    display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink-900);
    align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;padding:14px 28px;font-size:15px;font-weight:700;
    border:1px solid transparent;cursor:pointer;
    transition:background .18s ease-out, color .18s ease-out, transform .18s ease-out, border-color .18s ease-out;
  }
  .btn:active{transform:scale(.98);}
  .btn-primary{background:var(--flame-500);color:#fff;}
  .btn-primary:hover{background:#F25526;color:#fff;}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
  .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
  .btn-outline{background:#fff;color:var(--ink-900);border-color:var(--ink-900);}
  .btn-outline:hover{background:var(--ink-900);color:#fff;}
  .btn-dark{background:var(--brand-700);color:#fff;}
  .btn-dark:hover{background:var(--ink-900);color:#fff;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-700);}
  .link-arrow span{transition:transform .18s ease-out;}
  .link-arrow:hover span{transform:translateX(2px);}

  /* 面包屑 */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.75);}
  .breadcrumb a{color:rgba(255,255,255,.85);}
  .breadcrumb a:hover{color:var(--acid-400);}
  .breadcrumb .current{color:rgba(255,255,255,.62);}

  /* 内页 Hero */
  .page-hero{
    position:relative;color:#fff;overflow:hidden;
    background-image:linear-gradient(120deg, rgba(15,30,24,.95) 0%, rgba(22,54,43,.88) 48%, rgba(44,110,82,.78) 100%), url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    padding:48px 0 64px;
  }
  .page-hero h1{
    color:#fff;font-size:clamp(30px,4.2vw,54px);line-height:1.15;font-weight:800;
    letter-spacing:-.02em;margin-top:22px;max-width:900px;
  }
  .hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:44px;max-width:860px;}
  .stat-badge{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:18px 20px 18px 26px;color:var(--ink-900);box-shadow:var(--shadow-soft);
  }
  .stat-badge::before{
    content:"";position:absolute;left:10px;top:18px;bottom:18px;width:4px;border-radius:999px;background:var(--grad-brand);
  }
  .stat-num{font-size:30px;font-weight:800;line-height:1.1;letter-spacing:-.02em;}
  .stat-label{margin-top:6px;font-size:13px;color:var(--muted);}

  /* 卡片 */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-soft);overflow:hidden;
    transition:transform .2s ease-out, box-shadow .2s ease-out;
  }
  .card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
  .card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--sand-100);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:26px 28px 28px;}
  .card-title{font-size:21px;line-height:1.4;font-weight:800;}
  .card-text{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);}
  .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
  .tag{
    display:inline-flex;align-items:center;
    background:var(--sand-100);color:var(--brand-700);
    border-radius:999px;padding:5px 13px;font-size:13px;font-weight:700;
  }
  .tag-acid{background:rgba(200,240,74,.35);color:var(--brand-700);}

  /* 要点列表 */
  .bullet-list{margin-top:18px;display:grid;gap:10px;}
  .bullet-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--ink-700);}
  .bullet-list li::before{
    content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:999px;background:var(--acid-400);
  }

  /* 能力条 */
  .feature-strip{
    background:var(--ink-900);color:#fff;border-radius:var(--radius-lg);
    padding:40px 36px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;
  }
  .feature-strip h3{color:#fff;font-size:17px;}
  .feature-strip p{margin-top:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);}
  .feature-strip .rule{height:1px;background:rgba(200,240,74,.4);margin-bottom:18px;}

  /* 时间轴 */
  .timeline{position:relative;max-width:880px;}
  .timeline-item{position:relative;padding-left:60px;padding-bottom:34px;}
  .timeline-item:last-child{padding-bottom:0;}
  .timeline-item::before{
    content:"";position:absolute;left:17px;top:40px;bottom:0;width:1px;background:var(--line);
  }
  .timeline-item:last-child::before{display:none;}
  .timeline-dot{
    position:absolute;left:0;top:0;width:36px;height:36px;border-radius:999px;
    background:var(--grad-brand);color:#fff;font-size:13px;font-weight:800;
    display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
  }
  .timeline-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:22px 26px;box-shadow:var(--shadow-soft);
  }
  .timeline-card h3{font-size:18px;}
  .timeline-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* FAQ */
  .faq-list{display:grid;gap:14px;max-width:900px;}
  details.faq-item{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
    overflow:hidden;box-shadow:0 1px 0 rgba(15,30,24,.03);
  }
  details.faq-item[open]::before{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
  }
  details.faq-item summary{
    list-style:none;cursor:pointer;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink-900);
    display:flex;align-items:center;justify-content:space-between;gap:16px;
  }
  details.faq-item summary::-webkit-details-marker{display:none;}
  details.faq-item summary::after{
    content:"＋";font-size:18px;font-weight:700;color:var(--brand-500);flex:0 0 auto;
  }
  details.faq-item[open] summary::after{content:"－";}
  details.faq-item .faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-700);}

  /* CTA 与表单 */
  .cta-block{
    background-image:linear-gradient(135deg, rgba(15,30,24,.95) 0%, rgba(22,54,43,.9) 50%, rgba(44,110,82,.85) 100%), url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center;
    color:#fff;border-radius:var(--radius-lg);padding:48px 44px;
    display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;
  }
  .cta-block h2{color:#fff;}
  .cta-block .cta-desc{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);}
  .contact-lines{margin-top:26px;display:grid;gap:14px;}
  .contact-line{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(255,255,255,.85);}
  .contact-line svg{width:20px;height:20px;flex:0 0 20px;fill:none;stroke:var(--acid-400);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .form-card{background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-soft);}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:14px;font-weight:700;color:var(--ink-700);margin-bottom:8px;}
  .field .req{color:var(--flame-500);}
  .field input,.field select,.field textarea{
    width:100%;font-family:inherit;font-size:15px;color:var(--ink-900);
    background:var(--sand-100);border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:12px 14px;outline:0;
    transition:border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .field textarea{min-height:104px;resize:vertical;line-height:1.7;}
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(200,240,74,.45);
  }
  .field .hint{margin-top:6px;font-size:13px;color:var(--muted);}
  .form-card .btn{width:100%;}
  .form-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--muted);}

  /* 相关内容 */
  .rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .rel-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:24px;box-shadow:var(--shadow-soft);
    transition:transform .2s ease-out, box-shadow .2s ease-out;
  }
  .rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
  .rel-card h3{font-size:18px;}
  .rel-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:0;}
  .site-footer h4{color:#fff;font-size:15px;letter-spacing:.02em;margin-bottom:16px;}
  .footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;}
  .footer-logo .logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
  .footer-logo .txt{letter-spacing:-.01em;}
  .footer-link{
    display:flex;align-items:center;min-height:44px;font-size:14px;color:rgba(255,255,255,.72);
    border-bottom:1px solid rgba(255,255,255,.08);transition:color .16s ease-out, padding-left .16s ease-out;
  }
  .footer-link:hover{color:var(--acid-400);padding-left:4px;}
  .social{display:flex;gap:12px;}
  .social a{
    width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.08);color:#fff;transition:background .18s ease-out, color .18s ease-out;
  }
  .social a:hover{background:var(--acid-400);color:var(--ink-900);}
  .social svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
  }

  @media (max-width:1024px){
    .shell{padding-left:24px;padding-right:24px;}
    .section{padding-top:64px;padding-bottom:64px;}
    .feature-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-block{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .nav-link{padding:10px 9px;font-size:14px;}
  }
  @media (max-width:860px){
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .search-form{order:3;flex:1 1 100%;max-width:none;height:44px;margin-top:0;}
    .nav-row{flex-wrap:wrap;row-gap:12px;padding:12px 0;min-height:0;}
    .logo{margin-right:auto;}
    .site-header.nav-open .nav-links{
      display:flex;flex-direction:column;align-items:stretch;gap:0;
      position:fixed;left:0;right:0;top:0;bottom:0;
      background:var(--sand-50);padding:96px 24px 32px;margin:0;z-index:70;overflow-y:auto;
    }
    .site-header.nav-open .nav-link{
      padding:18px 0;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;
    }
    .site-header.nav-open .nav-link.is-active::after{left:0;right:auto;width:46px;bottom:6px;}
    .hero-stats{grid-template-columns:1fr;}
  }
  @media (max-width:768px){
    .section{padding-top:48px;padding-bottom:48px;}
    .shell{padding-left:18px;padding-right:18px;}
    .page-hero{padding:36px 0 48px;}
    .card-body{padding:22px;}
    .cta-block{padding:32px 22px;}
    .form-card{padding:22px;}
    .rel-grid{grid-template-columns:1fr;}
    .feature-strip{grid-template-columns:1fr;padding:32px 22px;}
    .section-head{margin-bottom:26px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }