/* roulang page: index */
:root{
    --primary:#0E5C3C; --primary-dark:#0A4529; --primary-50:#EAF3ED;
    --accent:#C6F24E; --mint:#2FA97A; --ink:#0C1A14;
    --surface:#F6F7F2; --card:#FFFFFF; --line:#E1E5DB;
    --muted:#5C6B62; --text:#14201B; --warn:#F0A020;
    --r-sm:10px; --r-md:14px; --r-lg:20px; --r-pill:999px;
    --shadow-1:0 1px 2px rgba(12,26,20,.05), 0 8px 24px -12px rgba(12,26,20,.12);
    --shadow-2:0 1px 2px rgba(12,26,20,.06), 0 14px 32px -12px rgba(12,26,20,.18);
    --gap-section:64px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;background:var(--surface);color:var(--text);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,'Inter',sans-serif;
    font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;}
  button{font:inherit;cursor:pointer;}
  h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2;font-weight:800;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:3px solid rgba(14,92,60,.28);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.container{padding:0 24px;}}
  @media(min-width:1024px){.container{padding:0 32px;}}

  .section{padding-top:var(--gap-section);padding-bottom:var(--gap-section);}
  @media(min-width:768px){:root{--gap-section:88px;}}
  @media(min-width:1024px){:root{--gap-section:112px;}}

  /* 公告条 */
  .notice-bar{background:var(--ink);color:#DCE7DF;font-size:13px;font-weight:500;}
  .notice-inner{display:flex;align-items:center;justify-content:center;gap:12px;height:36px;position:relative;}
  .notice-inner span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .notice-close{position:absolute;right:0;top:50%;transform:translateY(-50%);background:none;border:0;color:#8FA697;font-size:16px;line-height:1;padding:6px 8px;border-radius:8px;}
  .notice-close:hover{color:var(--accent);}
  .notice-bar[hidden]{display:none;}

  /* 导航 */
  .site-header{position:sticky;top:0;z-index:60;padding-top:12px;}
  .nav-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);padding:10px 14px;
    display:flex;align-items:center;gap:14px;
    transition:box-shadow .2s ease,border-color .2s ease;
  }
  .site-header.is-stuck .nav-card{box-shadow:var(--shadow-2);border-color:#D3DBCE;}
  .brand{display:flex;align-items:center;gap:10px;min-width:0;flex-shrink:0;}
  .brand-mark{
    width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;position:relative;flex-shrink:0;
  }
  .brand-mark::after{content:"";position:absolute;right:7px;bottom:7px;width:9px;height:4px;border-radius:2px;background:var(--accent);}
  .brand-text{display:flex;flex-direction:column;min-width:0;}
  .brand-name{font-size:15px;font-weight:800;color:var(--text);white-space:nowrap;letter-spacing:-.01em;}
  .brand-sub{font-size:11px;font-weight:500;color:var(--muted);white-space:nowrap;}
  .nav-links{display:none;}
  @media(min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:8px;flex:1;}
  }
  .nav-item{
    display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 14px;border-radius:12px;
    font-size:13.5px;font-weight:600;color:var(--muted);border:1px solid transparent;position:relative;white-space:nowrap;
  }
  .nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);opacity:.7;}
  .nav-item:hover{background:var(--primary-50);color:var(--primary-dark);border-color:var(--line);transform:translateY(-1px);}
  .nav-item.active{background:var(--primary-50);color:var(--primary-dark);border-color:var(--line);}
  .nav-item.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:2px;background:var(--accent);}
  .nav-cta{display:none;}
  @media(min-width:1024px){.nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto;}}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 20px;border-radius:12px;font-size:14.5px;font-weight:600;
    border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
  .btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);}
  .btn-light{background:var(--accent);color:var(--ink);border-color:var(--accent);}
  .btn-light:hover{background:#B4E63A;border-color:#B4E63A;transform:translateY(-1px);}
  .btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
  .btn-outline-white:hover{border-color:var(--accent);color:var(--accent);}
  .btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
  .btn-text:hover{color:var(--primary-dark);gap:10px;}

  .nav-toggle{
    margin-left:auto;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
    background:var(--surface);display:flex;align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
  .nav-toggle span::before{top:-6px;} .nav-toggle span::after{top:6px;}
  @media(min-width:1024px){.nav-toggle{display:none;}}

  .mobile-panel{
    position:fixed;inset:0;z-index:70;display:none;
  }
  .mobile-panel.open{display:block;}
  .mobile-mask{position:absolute;inset:0;background:rgba(12,26,20,.4);}
  .mobile-sheet{
    position:absolute;top:0;left:0;right:0;background:#fff;border-bottom-left-radius:var(--r-lg);
    border-bottom-right-radius:var(--r-lg);padding:18px 20px 22px;box-shadow:var(--shadow-2);max-height:88vh;overflow:auto;
  }
  .mobile-sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
  .mobile-item{
    border:1px solid var(--line);border-radius:12px;padding:12px;font-size:13.5px;font-weight:600;color:var(--text);
    display:flex;align-items:center;gap:8px;background:var(--surface);
  }
  .mobile-item.active{background:var(--primary-50);border-color:#CFE0D3;color:var(--primary-dark);}
  .mobile-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:16px;color:var(--muted);}

  /* Hero */
  .hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;margin-top:20px;border-radius:var(--r-lg);}
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;opacity:.34;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(900px 420px at 78% 12%, rgba(198,242,78,.10), transparent 62%);
  }
  .hero-inner{position:relative;z-index:2;padding:44px 24px;display:grid;grid-template-columns:1fr;gap:36px;}
  @media(min-width:768px){.hero-inner{padding:56px 32px;}}
  @media(min-width:1024px){.hero-inner{grid-template-columns:1fr 1fr;gap:48px;padding:72px 40px;}}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);
    border:1px solid rgba(198,242,78,.55);color:var(--accent);font-size:12.5px;font-weight:600;margin-bottom:18px;
  }
  .hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
  .hero h1{font-size:36px;font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px;}
  @media(min-width:640px){.hero h1{font-size:44px;}}
  @media(min-width:1024px){.hero h1{font-size:56px;}}
  .hero h1 em{font-style:normal;position:relative;color:#fff;}
  .hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:6px;border-radius:3px;background:rgba(198,242,78,.42);z-index:-1;}
  .hero-sub{font-size:17px;font-weight:600;color:#D6E4DA;margin-bottom:12px;}
  .hero-desc{font-size:15px;color:#A9BBAF;line-height:1.85;max-width:56ch;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
  .hero-points{display:flex;flex-wrap:wrap;gap:20px;}
  .hero-point{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#B8C9BD;font-weight:500;}
  .hero-point i{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block;}

  .device-wrap{display:flex;align-items:center;justify-content:center;position:relative;}
  .device{
    width:240px;border-radius:32px;border:1px solid rgba(255,255,255,.14);
    background:linear-gradient(180deg,#12241B,#0B1712);padding:14px;box-shadow:0 24px 60px -24px rgba(0,0,0,.7);
  }
  .device-screen{background:#0A1712;border-radius:22px;border:1px solid rgba(255,255,255,.07);padding:16px;min-height:340px;display:flex;flex-direction:column;gap:12px;}
  .device-notch{width:60px;height:5px;border-radius:3px;background:rgba(255,255,255,.16);margin:0 auto 4px;}
  .sk{border-radius:8px;background:rgba(255,255,255,.09);}
  .sk-line{height:10px;}
  .sk-block{height:58px;}
  .sk-row{display:flex;gap:8px;}
  .sk-row .sk{flex:1;height:42px;}
  .device-tag{
    position:absolute;bottom:18px;right:8px;background:rgba(12,26,20,.9);border:1px solid var(--accent);
    color:var(--accent);font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:6px 12px;
    display:inline-flex;align-items:center;gap:6px;backdrop-filter:blur(4px);
  }
  .device-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}

  /* 通用板块头 */
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
  .sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--primary);letter-spacing:.06em;margin-bottom:10px;text-transform:uppercase;}
  .sec-eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent);}
  .sec-title{font-size:28px;font-weight:800;}
  @media(min-width:1024px){.sec-title{font-size:32px;}}
  .sec-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:64ch;}

  /* 步骤卡 */
  .steps-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media(min-width:640px){.steps-grid{grid-template-columns:1fr 1fr;}}
  @media(min-width:1024px){.steps-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .step-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
    position:relative;overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
  }
  .step-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary);}
  .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .step-num{font-size:40px;font-weight:800;color:var(--accent);line-height:1;margin-bottom:14px;font-variant-numeric:tabular-nums;}
  .step-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
  .step-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
  .step-ico{width:38px;height:38px;border-radius:10px;background:var(--primary-50);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;margin-bottom:16px;}

  /* 案例非对称 */
  .proof-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media(min-width:1024px){.proof-grid{grid-template-columns:2fr 1fr;gap:24px;}}
  .proof-main{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:300px;border:1px solid var(--line);background:var(--ink);}
  .proof-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.55;}
  .proof-main-body{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:300px;color:#fff;}
  .proof-main-body h3{font-size:22px;margin-bottom:10px;}
  .proof-main-body p{font-size:14.5px;color:#C3D3C8;max-width:52ch;}
  .proof-stats{display:flex;gap:24px;margin-top:20px;flex-wrap:wrap;}
  .proof-stat b{display:block;font-size:24px;color:var(--accent);font-variant-numeric:tabular-nums;}
  .proof-stat span{font-size:12.5px;color:#A9BBAF;}
  .proof-side{display:grid;grid-template-columns:1fr;gap:20px;}
  .proof-small{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;}
  .proof-small:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .proof-small img{width:92px;height:92px;border-radius:12px;object-fit:cover;flex-shrink:0;}
  .proof-small h4{font-size:15.5px;font-weight:700;margin-bottom:6px;}
  .proof-small p{font-size:13.5px;color:var(--muted);line-height:1.7;}

  .metric-band{
    margin-top:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow-1);overflow:hidden;
  }
  @media(min-width:768px){.metric-band{grid-template-columns:repeat(4,1fr);}}
  .metric-cell{padding:22px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);}
  @media(min-width:768px){.metric-cell{border-bottom:0;}}
  .metric-cell:nth-child(2n){border-right:0;}
  @media(min-width:768px){.metric-cell:nth-child(2n){border-right:1px solid var(--line);} .metric-cell:last-child{border-right:0;}}
  .metric-cell b{display:block;font-size:28px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
  .metric-cell span{font-size:13px;color:var(--muted);font-weight:500;}

  /* CMS 列表 */
  .cms-feature{
    display:grid;grid-template-columns:1fr;background:var(--card);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;
  }
  .cms-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  @media(min-width:768px){.cms-feature{grid-template-columns:280px 1fr;}}
  .cms-feature-media{position:relative;background:var(--primary-50);min-height:200px;}
  .cms-feature-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
  .cms-feature-body{padding:24px;display:flex;flex-direction:column;gap:10px;}
  .cms-feature-body h3{font-size:20px;font-weight:700;line-height:1.4;}
  .cms-feature-body h3 a:hover{color:var(--primary);}
  .cms-list{display:grid;grid-template-columns:1fr;gap:18px;margin-top:20px;}
  @media(min-width:768px){.cms-list{grid-template-columns:repeat(3,1fr);gap:20px;}}
  .cms-card{
    display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:14px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
  }
  .cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .cms-card img{width:96px;height:96px;border-radius:12px;object-fit:cover;flex-shrink:0;background:var(--primary-50);}
  .cms-card h4{font-size:15px;font-weight:700;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .cms-card h4 a:hover{color:var(--primary);}
  .cms-card p{font-size:13px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .cms-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .pill{
    display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
    background:var(--primary-50);color:var(--primary);font-size:12.5px;font-weight:600;
  }
  .pill-warn{background:rgba(240,160,32,.14);color:#9A6408;}
  .meta-time{font-size:12.5px;color:var(--muted);font-weight:500;font-variant-numeric:tabular-nums;}
  .cms-empty{
    background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);padding:40px 24px;
    text-align:center;box-shadow:var(--shadow-1);
  }
  .cms-empty .ico{width:52px;height:52px;border-radius:16px;background:var(--primary-50);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 14px;}
  .cms-empty p{font-size:15px;color:var(--muted);margin-bottom:18px;}

  /* FAQ */
  .faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);}
  .faq-item + .faq-item{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;background:none;border:0;text-align:left;padding:20px 22px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:16px;font-weight:600;color:var(--text);
  }
  .faq-q:hover{background:var(--primary-50);}
  .faq-sign{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--primary-50);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:transform .2s ease,background-color .2s ease;}
  .faq-item.open .faq-sign{transform:rotate(45deg);background:var(--accent);color:var(--ink);}
  .faq-a{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85;max-width:72ch;display:none;}
  .faq-item.open .faq-a{display:block;}

  /* CTA */
  .cta-band{background:var(--ink);border-radius:var(--r-lg);position:relative;overflow:hidden;color:#fff;}
  .cta-band::before{
    content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;opacity:.22;
  }
  .cta-inner{position:relative;z-index:2;padding:40px 28px;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
  @media(min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;padding:56px 48px;}}
  .cta-inner h2{font-size:28px;margin-bottom:12px;}
  @media(min-width:1024px){.cta-inner h2{font-size:32px;}}
  .cta-inner p{font-size:15px;color:#A9BBAF;max-width:56ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  @media(min-width:1024px){.cta-actions{justify-content:flex-end;}}
  .cta-note{position:relative;z-index:2;font-size:12.5px;color:#7E9288;padding:0 28px 26px;}
  @media(min-width:1024px){.cta-note{padding:0 48px 32px;}}

  /* Footer */
  .site-footer{background:var(--ink);color:#B8C9BD;margin-top:var(--gap-section);}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px;}
  @media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-mark{width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;}
  .footer-name{color:#fff;font-size:15px;font-weight:800;}
  .footer-about{font-size:13.5px;line-height:1.85;color:#93A79A;max-width:34ch;}
  .footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a{font-size:13.5px;color:#A9BBAF;}
  .footer-col a:hover{color:var(--accent);}
  .footer-contact{font-size:13.5px;color:#A9BBAF;line-height:1.9;}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#7E9288;}
  .footer-bottom a{color:#93A79A;}
  .footer-bottom a:hover{color:var(--accent);}

/* roulang page: article */
:root{
  --primary:#0E5C3C; --primary-dark:#0A4529; --primary-50:#EAF3ED;
  --accent:#C6F24E; --mint:#2FA97A; --ink:#0C1A14;
  --surface:#F6F7F2; --card:#FFFFFF; --line:#E1E5DB; --muted:#5C6B62; --text:#14201B; --warn:#F0A020;
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(12,26,20,.05), 0 8px 24px -12px rgba(12,26,20,.12);
  --shadow-2:0 1px 2px rgba(12,26,20,.06), 0 14px 32px -12px rgba(12,26,20,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--surface);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,92,60,.28);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* 顶部公告条 */
.topbar{background:var(--ink);color:#DCE7E1;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:36px}
.topbar-inner span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-close{background:transparent;border:0;color:#9DB0A6;font-size:18px;line-height:1;cursor:pointer;padding:2px 8px;border-radius:8px;transition:.2s}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0 0}
.nav-card{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:10px 14px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease;
}
.site-header.is-stuck .nav-card{box-shadow:var(--shadow-2);border-color:#D6DCD0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  position:relative;width:42px;height:42px;border-radius:12px;background:var(--primary);
  color:#fff;font-weight:800;font-size:19px;display:grid;place-items:center;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;right:6px;bottom:7px;width:8px;height:3px;border-radius:2px;background:var(--accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);font-weight:500}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--text);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex-shrink:0}
.nav-item:hover{background:var(--primary-50);border-color:rgba(14,92,60,.28);color:var(--primary-dark);transform:translateY(-1px)}
.nav-item.active{background:var(--primary-50);border-color:rgba(14,92,60,.28);color:var(--primary-dark);box-shadow:inset 0 -3px 0 0 var(--accent)}
.nav-cta{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;
  border-radius:12px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--primary-50);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#B7E63F;transform:translateY(-1px)}
.btn-light-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#EAF3ED}
.btn-light-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}

/* 页头与文章头 */
.page-head{
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(246,247,242,.93),rgba(246,247,242,.99)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;padding:22px 0 36px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--muted)}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;transition:.2s}
.breadcrumb a:hover{color:var(--primary-dark);border-bottom-color:var(--primary)}
.breadcrumb .sep{color:#B6C0B8}
.article-hero{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;margin-top:16px;box-shadow:var(--shadow-1)}
@media (min-width:768px){.article-hero{padding:36px 34px}}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-50);color:var(--primary-dark);font-size:12.5px;font-weight:600;margin-bottom:14px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
.article-hero h1{font-size:clamp(26px,4.4vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--ink);max-width:22em}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted);font-weight:500}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:var(--primary-50);color:var(--primary)}
.meta-sep{width:1px;height:14px;background:var(--line)}
.article-cover{margin-top:24px;border-radius:20px;overflow:hidden;aspect-ratio:16/9;background:var(--primary-50);
  background-image:linear-gradient(135deg,rgba(14,92,60,.06),rgba(198,242,78,.14));}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* 主体布局 */
.article-layout{display:grid;grid-template-columns:1fr;gap:26px;margin-top:28px}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:28px}}
.article-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 20px;box-shadow:var(--shadow-1)}
@media (min-width:768px){.article-body{padding:40px 38px}}
.prose{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:#23302A}
.prose h2{font-size:23px;font-weight:700;margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--accent);line-height:1.4;color:var(--ink);scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;font-weight:600;margin:26px 0 10px;color:var(--ink)}
.prose h4{font-size:16.5px;font-weight:600;margin:20px 0 8px;color:var(--ink)}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.1em;line-height:1.85}
.prose li{margin:6px 0}
.prose blockquote{background:var(--primary-50);border-left:3px solid var(--primary);border-radius:10px;padding:14px 18px;margin:18px 0;color:#26423A}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:14px;margin:20px 0;width:100%;height:auto}
.prose figure{margin:20px 0}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.prose a{color:var(--primary);border-bottom:1px solid rgba(14,92,60,.35);transition:.2s}
.prose a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin:18px 0;overflow:hidden;border-radius:12px}
.prose th,.prose td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line)}
.prose thead th{background:var(--primary-50);font-weight:600;color:var(--primary-dark)}
.prose tbody tr:nth-child(even){background:#FAFBF7}
.prose code{background:var(--surface);padding:2px 6px;border-radius:6px;font-size:14px}
.prose strong{font-weight:700;color:var(--ink)}
.empty-state{text-align:center;padding:36px 16px}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:12px;border:0;padding:0}
.empty-state p{color:var(--muted);max-width:520px;margin:0 auto 22px}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:18px}
@media (min-width:1024px){.sidebar{position:sticky;top:96px}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{font-size:13.5px;color:var(--muted);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;transition:.2s;line-height:1.5}
.toc-list a:hover{background:var(--primary-50);color:var(--primary-dark);border-left-color:var(--primary)}
.side-links{display:flex;flex-direction:column;gap:8px}
.side-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-size:13.5px;font-weight:600;transition:.2s}
.side-link:hover{background:var(--primary-50);border-color:rgba(14,92,60,.28);color:var(--primary-dark);transform:translateX(2px)}
.side-link span.arw{color:var(--primary);font-weight:700}
.side-note{font-size:13px;color:var(--muted);line-height:1.8;margin-top:4px}

/* 文末 */
.article-foot{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.pager{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px}
@media (min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:16px;transition:.22s ease;
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,92,60,.25)}
.pager-card .arw{font-size:18px;color:var(--primary);font-weight:700}
.pager-card small{display:block;font-size:12.5px;color:var(--muted);font-weight:500;margin-bottom:4px}
.pager-card strong{font-size:14.5px;font-weight:600;color:var(--ink);display:block;line-height:1.5}

/* 板块 */
.section{margin-top:64px}
@media (min-width:1024px){.section{margin-top:80px}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--ink);letter-spacing:-.01em}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);transition:.2s}
.text-link:hover{color:var(--primary-dark);gap:10px}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.22s ease;box-shadow:var(--shadow-1)}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,92,60,.22)}
.related-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--primary-50)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body .meta{font-size:12.5px;color:var(--muted);font-weight:500;margin-top:auto}

/* CTA */
.cta-band{
  margin-top:72px;background:var(--ink);border:1px solid rgba(255,255,255,.08);border-radius:26px;
  padding:34px 24px;display:grid;gap:24px;position:relative;overflow:hidden;
}
@media (min-width:900px){.cta-band{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px 42px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.18),transparent 68%);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:-.01em}
.cta-band p{color:#A9BDB3;font-size:15px;margin-top:12px;line-height:1.8;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn{flex:1 1 160px}
.cta-micro{color:#7E918A;font-size:13px;margin-top:16px}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9D6CF;margin-top:72px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-mark{width:38px;height:38px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;flex-shrink:0}
.footer-name{font-size:15px;font-weight:700;color:#fff}
.footer-about{font-size:14px;line-height:1.85;color:#9DB0A6;max-width:34ch}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9DB0A6;transition:.2s}
.footer-col a:hover{color:var(--accent)}
.footer-contact{font-size:14px;line-height:2;color:#9DB0A6}
.footer-bottom{
  margin-top:40px;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:#7E918A;
}

/* 移动端导航 */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-links{
    display:none;order:5;width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;
    padding-top:12px;margin-top:10px;border-top:1px solid var(--line);
  }
  .nav-card.is-open .nav-links{display:grid}
  .nav-item{background:var(--surface);justify-content:flex-start;padding:0 12px;font-size:13.5px}
  .nav-cta{display:none;order:6;width:100%;margin-left:0;padding-top:10px}
  .nav-card.is-open .nav-cta{display:flex}
  .nav-cta .btn{flex:1}
}
@media (max-width:520px){
  .brand-text strong{font-size:13.5px}
  .brand-text em{display:none}
  .nav-links{grid-template-columns:1fr}
  .article-hero h1{font-size:24px}
  .cta-actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
    --primary:#0E5C3C;
    --primary-dark:#0A4529;
    --primary-50:#EAF3ED;
    --accent:#C6F24E;
    --mint:#2FA97A;
    --ink:#0C1A14;
    --surface:#F6F7F2;
    --card:#FFFFFF;
    --line:#E1E5DB;
    --muted:#5C6B62;
    --text:#14201B;
    --warn:#F0A020;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --shadow-1:0 1px 2px rgba(12,26,20,.05), 0 8px 24px -12px rgba(12,26,20,.12);
    --shadow-2:0 1px 2px rgba(12,26,20,.06), 0 16px 34px -10px rgba(12,26,20,.18);
    --sect-m:64px;
  }
  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body{
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    background:var(--surface);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul{list-style:none;padding:0}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  }
  .btn-sm{height:44px;padding:0 18px;font-size:14px}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(0)}
  .btn-accent{background:var(--accent);color:var(--ink);box-shadow:var(--shadow-1)}
  .btn-accent:hover{background:#d5fa6c;transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
  .btn-outline-light:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
  .btn:focus-visible,.nav-item:focus-visible,.nav-toggle:focus-visible,a:focus-visible,summary:focus-visible{
    outline:none;box-shadow:0 0 0 3px rgba(14,92,60,.28);
  }
  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;transition:transform .2s ease}
  .link-arrow:hover{transform:translateX(4px);color:var(--primary-dark)}

  /* ---------- 顶部导航卡片 ---------- */
  .site-header{position:sticky;top:0;z-index:70;padding:12px 0;background:linear-gradient(180deg,rgba(246,247,242,.92),rgba(246,247,242,.72));backdrop-filter:blur(8px)}
  .nav-card{
    display:flex;align-items:center;gap:18px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:10px 14px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease;
  }
  .site-header.scrolled .nav-card{box-shadow:var(--shadow-2);border-color:#d6dccf}
  .brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
  .brand-mark{
    width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;
    position:relative;overflow:hidden;flex-shrink:0;
  }
  .brand-mark::after{content:"";position:absolute;width:46px;height:3px;background:var(--accent);transform:rotate(-38deg);right:-12px;top:16px}
  .brand-text{display:flex;flex-direction:column;line-height:1.25}
  .brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
  .brand-text em{font-style:normal;font-size:12px;color:var(--muted);font-weight:500}
  .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
  .nav-item{
    display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 14px;
    border:1px solid var(--line);border-radius:12px;background:#fff;
    font-size:14px;font-weight:600;color:#33413a;position:relative;
    transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .18s ease;
  }
  .nav-item .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);flex-shrink:0;transition:background-color .2s ease}
  .nav-item:hover{background:var(--primary-50);border-color:#cfe0d5;color:var(--primary-dark);transform:translateY(-1px)}
  .nav-item.active{background:var(--primary-50);border-color:#cfe0d5;color:var(--primary-dark)}
  .nav-item.active .dot{background:var(--primary)}
  .nav-item.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:2px;background:var(--accent)}
  .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .nav-toggle{
    display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;flex-shrink:0;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-mask{
    position:fixed;inset:0;background:rgba(12,26,20,.4);opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;z-index:65;
  }
  .nav-mask.show{opacity:1;visibility:visible}

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--sect-m) 0}
  .section-tight{padding:40px 0}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
  .sec-eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);
    background:var(--primary-50);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
  }
  .sec-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
  .sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.01em}
  .sec-desc{margin-top:12px;font-size:15px;color:var(--muted);max-width:64ch;line-height:1.8}
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d6dccf}
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
    background:var(--primary-50);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .tag-accent{background:transparent;border:1px solid var(--accent);color:var(--ink)}
  .tag-warn{background:#FDF3E2;color:#8a5b0b}

  /* ---------- 页头 ---------- */
  .page-hero{
    position:relative;background-color:var(--ink);color:#fff;overflow:hidden;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
    padding:64px 0 72px;
  }
  .page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,26,20,.94) 0%,rgba(12,26,20,.86) 46%,rgba(10,69,41,.82) 100%)}
  .page-hero .container{position:relative;z-index:2}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);font-weight:500;margin-bottom:22px}
  .crumbs a{color:rgba(255,255,255,.78)}
  .crumbs a:hover{color:var(--accent)}
  .crumbs .sep{color:rgba(255,255,255,.34)}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
    border:1px solid rgba(198,242,78,.55);color:var(--accent);font-size:12.5px;font-weight:600;margin-bottom:20px;
  }
  .page-hero h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.02em;max-width:20ch}
  .page-hero h1 .hl{box-shadow:inset 0 -10px 0 rgba(198,242,78,.28)}
  .hero-lead{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:46ch}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
  .hero-points span{
    display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:rgba(255,255,255,.82);
    border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);padding:6px 13px;
  }
  .hero-points span i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
  .phone-mock{
    width:250px;max-width:100%;margin:0 auto;border-radius:30px;padding:14px;
    background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.04));
    border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 60px -30px rgba(0,0,0,.7);
  }
  .phone-screen{background:#0F221A;border-radius:22px;padding:18px 14px 22px;border:1px solid rgba(255,255,255,.08)}
  .phone-bar{height:6px;width:52px;border-radius:99px;background:rgba(255,255,255,.2);margin:0 auto 18px}
  .skeleton{height:36px;border-radius:10px;background:rgba(255,255,255,.09);margin-bottom:10px}
  .skeleton.short{width:62%}
  .skeleton.accent{background:rgba(198,242,78,.22);height:42px}
  .phone-status{
    display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:7px 14px;border-radius:var(--r-pill);
    border:1px solid var(--accent);color:var(--accent);font-size:12.5px;font-weight:600;background:rgba(198,242,78,.08);
  }
  .phone-status i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;animation:pulse 1.8s infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
  .phone-wrap{display:flex;flex-direction:column;align-items:center}

  /* ---------- 指标带 ---------- */
  .stats-band{
    display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);
    border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;
  }
  .stat-cell{padding:24px 22px;border-right:1px solid var(--line)}
  .stat-cell:last-child{border-right:none}
  .stat-num{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--primary-dark);line-height:1.1}
  .stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--mint);margin-left:4px}
  .stat-label{margin-top:8px;font-size:13px;color:var(--muted);font-weight:500}

  /* ---------- 双入口对照 ---------- */
  .entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
  .entry-card{padding:28px;display:flex;gap:20px;align-items:flex-start}
  .entry-icon{
    width:52px;height:52px;border-radius:14px;background:var(--primary-50);color:var(--primary);
    display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;transition:background-color .22s ease,color .22s ease;
  }
  .entry-card:hover .entry-icon{background:var(--primary);color:#fff}
  .entry-card h3{font-size:19px;font-weight:600;margin-bottom:8px}
  .entry-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
  .entry-card .tag{margin-top:14px}

  /* ---------- 时间轴 ---------- */
  .flow-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:34px;align-items:start}
  .timeline{position:relative;padding-left:38px}
  .timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:14px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--primary),rgba(47,169,122,.35) 70%,rgba(14,92,60,.08))}
  .tl-item{position:relative;padding-bottom:26px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{
    content:"";position:absolute;left:-38px;top:20px;width:20px;height:20px;border-radius:50%;
    background:#fff;border:2px solid var(--mint);box-shadow:0 0 0 5px var(--primary-50);
  }
  .tl-item::after{
    content:"";position:absolute;left:-33px;top:25px;width:10px;height:10px;border-radius:50%;background:var(--accent);
  }
  .tl-card{padding:22px 24px}
  .tl-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
  .tl-num{font-size:26px;font-weight:800;color:var(--accent);letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums;text-shadow:0 1px 0 rgba(12,26,20,.12)}
  .tl-title{font-size:19px;font-weight:600;letter-spacing:-.01em}
  .tl-card p{font-size:14.8px;color:var(--muted);line-height:1.8}
  .tl-note{
    margin-top:12px;display:flex;gap:10px;align-items:flex-start;background:var(--surface);
    border-radius:var(--r-md);padding:12px 14px;font-size:13.5px;color:#41524a;line-height:1.7;
  }
  .tl-note b{color:var(--primary-dark);font-weight:700;flex-shrink:0}

  .side-card{position:sticky;top:96px;padding:24px}
  .side-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
  .side-card .side-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
  .side-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
  .side-list a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:600;color:#2c3a33;
    transition:border-color .2s ease,background-color .2s ease,transform .18s ease;
  }
  .side-list a:hover{border-color:var(--primary);background:var(--primary-50);transform:translateX(3px);color:var(--primary-dark)}
  .side-list a span{color:var(--muted);font-weight:500;font-size:12.5px}
  .side-card .btn{width:100%}
  .side-tip{margin-top:16px;font-size:12.8px;color:var(--muted);line-height:1.7}

  /* ---------- 情形对照（左图右列表） ---------- */
  .scene-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:stretch}
  .scene-media{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;border:1px solid var(--line)}
  .scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
  .scene-media .media-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,26,20,.15),rgba(12,26,20,.78))}
  .scene-media .media-text{position:absolute;left:24px;right:24px;bottom:22px;color:#fff;z-index:2}
  .scene-media .media-text h3{font-size:20px;font-weight:700;margin-bottom:8px}
  .scene-media .media-text p{font-size:13.5px;color:rgba(255,255,255,.8);line-height:1.7}
  .scene-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:10px 24px}
  .scene-row{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}
  .scene-row:last-child{border-bottom:none}
  .scene-idx{
    width:34px;height:34px;border-radius:10px;background:var(--primary-50);color:var(--primary);
    display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;
    font-variant-numeric:tabular-nums;
  }
  .scene-row h4{font-size:16px;font-weight:600;margin-bottom:6px}
  .scene-row p{font-size:14px;color:var(--muted);line-height:1.75}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:920px;margin:0 auto}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item.open{border-color:#cfe0d5;box-shadow:var(--shadow-1)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
    background:transparent;border:none;padding:20px 22px;font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  }
  .faq-q:hover{color:var(--primary-dark)}
  .faq-icon{
    width:28px;height:28px;border-radius:8px;background:var(--primary-50);color:var(--primary);
    display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;flex-shrink:0;
    transition:transform .25s ease,background-color .2s ease,color .2s ease;line-height:1;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
  .faq-a-inner{padding:0 22px 22px;font-size:15px;color:#3c4a43;line-height:1.8;max-width:72ch}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;background-color:var(--ink);border-radius:24px;overflow:hidden;color:#fff;
    padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:34px;
    background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;
  }
  .cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,26,20,.95),rgba(10,69,41,.86))}
  .cta-band > *{position:relative;z-index:2}
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.28}
  .cta-band p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.76);max-width:52ch;line-height:1.8}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}
  .cta-micro{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.6)}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:var(--sect-m);padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .footer-mark{
    width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex-shrink:0;
  }
  .footer-name{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
  .footer-about{font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.66);max-width:34ch}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
  .footer-col ul{display:flex;flex-direction:column;gap:11px}
  .footer-col a{font-size:13.8px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
  .footer-col a:hover{color:var(--accent);transform:translateX(3px)}
  .footer-contact{font-size:13.8px;line-height:2;color:rgba(255,255,255,.7)}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:22px 0 26px;font-size:12.8px;color:rgba(255,255,255,.55)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    :root{--sect-m:56px}
    .nav-links{
      position:fixed;left:16px;right:16px;top:82px;z-index:80;
      display:none;grid-template-columns:1fr 1fr;gap:10px;margin-left:0;
      background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
      padding:14px;box-shadow:var(--shadow-2);max-height:calc(100vh - 120px);overflow-y:auto;
    }
    .nav-links.open{display:grid}
    .nav-item{height:52px;justify-content:flex-start}
    .nav-actions{display:none}
    .nav-toggle{display:flex;margin-left:auto}
    .brand{margin-right:auto}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .flow-layout{grid-template-columns:1fr;gap:26px}
    .side-card{position:static}
    .scene-grid{grid-template-columns:1fr}
    .entry-grid{grid-template-columns:1fr}
    .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:640px){
    :root{--sect-m:48px}
    .container{padding:0 18px}
    .nav-card{padding:8px 10px;gap:12px}
    .brand-text strong{font-size:14px}
    .brand-text em{display:none}
    .nav-links{grid-template-columns:1fr;top:78px}
    .page-hero{padding:44px 0 52px}
    .stats-band{grid-template-columns:1fr 1fr}
    .stat-cell:nth-child(2){border-right:none}
    .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
    .stat-cell{padding:18px 16px}
    .stat-num{font-size:24px}
    .entry-card{flex-direction:column;gap:14px;padding:22px}
    .timeline{padding-left:30px}
    .timeline::before{left:7px}
    .tl-item::before{left:-30px;width:16px;height:16px}
    .tl-item::after{left:-26px;top:24px;width:8px;height:8px}
    .scene-list{padding:8px 18px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column}
    .hero-actions .btn{width:100%}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
  }

/* roulang page: category3 */
:root{
    --primary:#0E5C3C;
    --primary-dark:#0A4529;
    --primary-50:#EAF3ED;
    --accent:#C6F24E;
    --mint:#2FA97A;
    --ink:#0C1A14;
    --surface:#F6F7F2;
    --card:#FFFFFF;
    --line:#E1E5DB;
    --muted:#5C6B62;
    --text:#14201B;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --shadow-1:0 1px 2px rgba(12,26,20,.05), 0 8px 24px -12px rgba(12,26,20,.12);
    --shadow-2:0 1px 2px rgba(12,26,20,.06), 0 16px 34px -12px rgba(12,26,20,.2);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,'Inter',sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--surface);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul{padding:0;list-style:none;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 24px;}}
  @media (min-width:1280px){.container{padding:0 32px;}}
  :focus-visible{outline:3px solid rgba(14,92,60,.28);outline-offset:2px;border-radius:6px;}

  /* ---------- 顶部导航卡片 ---------- */
  .site-header{position:sticky;top:0;z-index:60;padding:12px 0 0;background:linear-gradient(180deg,var(--surface) 70%,rgba(246,247,242,0));transition:box-shadow .25s ease, padding .25s ease;}
  .site-header.is-scrolled{padding-top:8px;}
  .nav-panel{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);
    padding:10px 14px;
    display:flex;
    align-items:center;
    gap:14px;
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-2);}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0;}
  .brand-mark{
    width:44px;height:44px;flex:0 0 44px;border-radius:12px;
    background:var(--primary);color:#fff;
    display:grid;place-items:center;
    font-size:20px;font-weight:800;position:relative;overflow:hidden;
    font-family:'PingFang SC','Microsoft YaHei',sans-serif;
  }
  .brand-mark::after{
    content:"";position:absolute;right:-10px;bottom:-10px;width:26px;height:26px;border-radius:50%;
    background:var(--accent);opacity:.85;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
  .brand-name{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
  .brand-sub{font-size:11.5px;font-weight:500;color:var(--muted);white-space:nowrap;}
  .nav-links{display:flex;gap:8px;align-items:center;margin-left:6px;flex:1 1 auto;}
  .nav-item{
    position:relative;display:inline-flex;align-items:center;gap:8px;
    height:46px;padding:0 14px;
    border:1px solid var(--line);border-radius:12px;background:#fff;
    color:var(--text);font-size:14px;font-weight:600;white-space:nowrap;
    transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
  }
  .nav-item .dot{width:18px;height:18px;border-radius:6px;background:var(--primary-50);transition:background .2s ease;}
  .nav-item:hover{background:var(--primary-50);border-color:#cfe0d5;transform:translateY(-1px);}
  .nav-item:hover .dot{background:var(--primary);}
  .nav-item.active{background:var(--primary-50);color:var(--primary-dark);border-color:#cfe0d5;}
  .nav-item.active .dot{background:var(--primary);}
  .nav-item.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--accent);
  }
  .nav-cta{display:flex;gap:8px;align-items:center;flex:0 0 auto;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    height:46px;padding:0 18px;border-radius:12px;
    font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--primary);color:#fff;}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
  .btn-ghost:hover{background:var(--primary-50);border-color:#cfe0d5;color:var(--primary-dark);transform:translateY(-1px);}
  .btn-accent{background:var(--accent);color:var(--ink);}
  .btn-accent:hover{background:#d5fb6e;transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(198,242,78,.9);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
  .btn-outline-light:hover{background:rgba(255,255,255,.1);transform:translateY(-1px);}
  .btn-block{width:100%;}
  .nav-toggle{
    display:none;width:46px;height:46px;flex:0 0 46px;border-radius:12px;
    border:1px solid var(--line);background:#fff;cursor:pointer;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .mobile-panel{
    display:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-2);margin-top:10px;padding:16px;
  }
  .mobile-panel.open{display:block;}
  .mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .mobile-grid .nav-item{height:56px;justify-content:flex-start;padding:0 12px;font-size:13px;}
  .mobile-cta{display:grid;gap:10px;margin-top:14px;}

  @media (max-width:1100px){
    .nav-links .nav-item{padding:0 10px;font-size:13px;}
  }
  @media (max-width:1023px){
    .nav-links,.nav-cta{display:none;}
    .nav-toggle{display:flex;}
    .nav-panel{justify-content:space-between;}
  }

  /* ---------- 页头 ---------- */
  .page-head{
    position:relative;
    margin-top:22px;
    border-radius:var(--r-lg);
    overflow:hidden;
    background-color:var(--surface);
    background-image:linear-gradient(110deg, rgba(246,247,242,.96) 0%, rgba(246,247,242,.88) 46%, rgba(234,243,237,.86) 100%), url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    border:1px solid var(--line);
  }
  .page-head-inner{padding:34px 26px 38px;}
  @media (min-width:768px){.page-head-inner{padding:48px 40px 52px;}}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#b7c1b9;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    height:28px;padding:0 12px;border-radius:var(--r-pill);
    background:var(--primary-50);color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.02em;
    border:1px solid #d5e6dc;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
  .page-head h1{
    margin-top:16px;
    font-size:36px;line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--text);
  }
  @media (min-width:768px){.page-head h1{font-size:44px;}}
  @media (min-width:1024px){.page-head h1{font-size:56px;}}
  .page-head h1 .hl{
    background-image:linear-gradient(transparent 66%, var(--accent) 66%);
    background-size:100% 100%;
  }
  .lede{margin-top:16px;max-width:640px;font-size:16px;line-height:1.75;color:var(--muted);}
  .head-brand{margin-top:18px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.01em;}

  /* ---------- 自查带 ---------- */
  .quick-checks{margin-top:44px;}
  .checks{
    display:grid;grid-template-columns:1fr;gap:0;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  }
  .check{padding:24px 26px;border-bottom:1px solid var(--line);}
  .check:last-child{border-bottom:none;}
  .check .idx{
    font-variant-numeric:tabular-nums;
    font-size:26px;font-weight:800;color:var(--primary);letter-spacing:-.03em;display:block;line-height:1;
  }
  .check .idx::after{content:"";display:block;width:26px;height:3px;border-radius:3px;background:var(--accent);margin-top:10px;}
  .check h3{margin-top:12px;font-size:17px;font-weight:700;color:var(--text);}
  .check p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.7;}
  @media (min-width:768px){
    .checks{grid-template-columns:repeat(3,1fr);}
    .check{border-bottom:none;border-right:1px solid var(--line);}
    .check:last-child{border-right:none;}
  }

  /* ---------- 主体：左目录 右条目 ---------- */
  .main-block{margin-top:56px;padding-bottom:64px;}
  .layout{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:1024px){
    .layout{grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
  }
  .toc-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:20px;box-shadow:var(--shadow-1);
  }
  .toc-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;}
  .toc{display:flex;flex-direction:column;gap:2px;margin-top:12px;}
  .toc a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:11px 12px;border-radius:var(--r-sm);
    font-size:14px;font-weight:600;color:var(--muted);
    transition:background .2s ease,color .2s ease;
  }
  .toc a span{font-size:12px;font-variant-numeric:tabular-nums;color:#9aa79f;}
  .toc a:hover{background:var(--primary-50);color:var(--primary-dark);}
  .toc a:hover span{color:var(--primary);}
  .toc-figure{margin-top:18px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--primary-50);}
  .toc-figure img{width:100%;height:132px;object-fit:cover;}
  .toc-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted);}
  .toc-card .btn{margin-top:16px;}
  @media (min-width:1024px){
    .toc-wrap{position:sticky;top:104px;}
  }
  @media (max-width:1023px){
    .toc{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
    .toc a{white-space:nowrap;border:1px solid var(--line);background:#fff;}
    .toc-figure{display:none;}
  }

  .entries{display:flex;flex-direction:column;gap:40px;}
  .group h2{
    position:relative;
    font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.01em;
    padding-left:16px;line-height:1.35;
  }
  .group h2::before{
    content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--accent);
  }
  .group .group-desc{margin-top:8px;padding-left:16px;font-size:14.5px;color:var(--muted);}
  .entry-list{margin-top:10px;border-top:1px solid var(--line);}
  .entry{border-bottom:1px solid var(--line);}
  .entry summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;justify-content:space-between;
    padding:20px 4px;font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
    transition:color .2s ease;
  }
  .entry summary::-webkit-details-marker{display:none;}
  .entry summary:hover{color:var(--primary);}
  .entry .arrow{
    flex:0 0 28px;width:28px;height:28px;margin-top:2px;border-radius:50%;
    border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);
    transition:transform .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
  }
  .entry .arrow svg{width:14px;height:14px;}
  .entry[open] .arrow{transform:rotate(180deg);background:var(--primary-50);border-color:#cfe0d5;color:var(--primary);}
  .entry[open] summary{color:var(--primary-dark);}
  .entry-body{padding:0 44px 22px 4px;font-size:15px;line-height:1.8;color:var(--muted);max-width:72ch;}
  .entry-body strong{color:var(--text);font-weight:600;}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--ink);color:#fff;position:relative;overflow:hidden;
    border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.08);
  }
  .cta-band::before{
    content:"";position:absolute;inset:auto -60px -120px auto;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle, rgba(198,242,78,.24), transparent 68%);
  }
  .cta-inner{position:relative;padding:38px 26px;display:grid;gap:26px;align-items:center;}
  @media (min-width:900px){
    .cta-inner{grid-template-columns:1.4fr 1fr;padding:52px 44px;}
  }
  .cta-band h2{font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
  @media (min-width:768px){.cta-band h2{font-size:30px;}}
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.72);max-width:56ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .cta-foot{margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:56px;padding:52px 0 26px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;}
  .footer-mark{
    width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--primary);color:#fff;
    display:grid;place-items:center;font-size:18px;font-weight:800;
  }
  .footer-name{font-size:15px;font-weight:700;color:#fff;}
  .footer-about{margin-top:14px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);max-width:34ch;}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
  .footer-col a:hover{color:var(--accent);}
  .footer-contact{font-size:14px;line-height:1.95;color:rgba(255,255,255,.62);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.5);
  }
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;gap:20px;}
  }

/* roulang page: category2 */
:root{
  --primary:#0E5C3C;
  --primary-dark:#0A4529;
  --primary-50:#EAF3ED;
  --accent:#C6F24E;
  --mint:#2FA97A;
  --ink:#0C1A14;
  --surface:#F6F7F2;
  --card:#FFFFFF;
  --line:#E1E5DB;
  --muted:#5C6B62;
  --text:#14201B;
  --warn:#F0A020;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(12,26,20,.05), 0 8px 24px -12px rgba(12,26,20,.12);
  --shadow-2:0 1px 2px rgba(12,26,20,.06), 0 14px 32px -12px rgba(12,26,20,.18);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--surface);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:3px solid rgba(14,92,60,.28);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- 顶部公告 ---------- */
.announce{background:var(--ink);color:#D5E2DA;font-size:13px;position:relative;z-index:60}
.announce-inner{display:flex;align-items:center;justify-content:center;gap:12px;min-height:36px;padding-top:6px;padding-bottom:6px;text-align:center}
.announce-close{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:999px;font-size:18px;line-height:1;color:#93A79B;display:grid;place-items:center;transition:background .2s ease,color .2s ease}
.announce-close:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- 头部与卡片化导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);padding:12px 0 10px;transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(12,26,20,.45)}
.nav-card{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:10px 14px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .nav-card{box-shadow:var(--shadow-2);border-color:#D6DED3}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  position:relative;width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:19px;overflow:hidden;flex-shrink:0;
}
.brand-mark::after{content:"";position:absolute;right:-9px;bottom:-9px;width:24px;height:24px;border-radius:50%;background:var(--accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);font-weight:500}
@media (max-width:639px){.brand-sub{display:none}.brand-name{font-size:13.5px;white-space:normal;max-width:132px}}

.nav-links{display:none;flex:1;justify-content:center;flex-wrap:wrap;gap:8px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-item .dot{width:8px;height:8px;border-radius:50%;background:#D5DDD4;transition:background .2s ease}
.nav-item:hover{background:var(--primary-50);color:var(--primary-dark);border-color:#CFE0D5;transform:translateY(-1px)}
.nav-item:hover .dot{background:var(--primary)}
.nav-item.active{background:var(--primary-50);color:var(--primary-dark);border-color:#CFE0D5}
.nav-item.active .dot{background:var(--primary)}
.nav-item.active::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:3px;border-radius:3px;background:var(--accent)}

.nav-actions{display:none;align-items:center;gap:10px;flex-shrink:0}
@media (min-width:1024px){.nav-actions{display:flex}}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex-shrink:0;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .2s ease}
.nav-toggle:hover{background:var(--primary-50);border-color:#CFE0D5}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}

.mobile-panel{display:none;margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);padding:14px}
.mobile-panel.open{display:block}
@media (min-width:1024px){.mobile-panel{display:none !important}}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-item{
  display:flex;align-items:center;min-height:52px;padding:10px 12px;border:1px solid var(--line);
  border-radius:12px;background:var(--surface);font-size:14px;font-weight:600;color:var(--text);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.mobile-item:hover{background:var(--primary-50);border-color:#CFE0D5;color:var(--primary-dark)}
.mobile-item.active{background:var(--primary-50);border-color:#CFE0D5;color:var(--primary-dark)}
.mobile-cta{margin-top:12px;display:grid;gap:10px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:12px;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-sm{height:44px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#B7E63E;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn-outline-light:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}

/* ---------- 首屏 ---------- */
.page-hero{padding:36px 0 40px;position:relative}
@media (min-width:1024px){.page-hero{padding:52px 0 64px}}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 420px at 88% -10%, rgba(47,169,122,.10), transparent 65%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--muted);position:relative}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#BEC9C0}
.hero-grid{display:grid;gap:32px;align-items:center;margin-top:26px;position:relative}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;margin-top:34px}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--primary);font-size:13px;font-weight:600;
}
.hero-badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(198,242,78,.28)}
.page-hero h1{margin-top:16px;font-size:36px;font-weight:800;line-height:1.15;letter-spacing:-.02em}
@media (min-width:768px){.page-hero h1{font-size:44px}}
@media (min-width:1024px){.page-hero h1{font-size:52px}}
.hero-lead{margin-top:16px;color:var(--muted);font-size:16px;max-width:58ch}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--muted)}
.pt-dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.hero-media{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.status-pill{
  position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.95);
  border:1px solid var(--accent);color:var(--ink);font-size:13px;font-weight:600;
}
.status-pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:720px;margin-bottom:32px}
@media (min-width:1024px){.section-head{margin-bottom:44px}}
.section-tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--primary-50);color:var(--primary);font-size:13px;font-weight:600}
.section-head h2{margin-top:14px;font-size:28px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
@media (min-width:768px){.section-head h2{font-size:32px}}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}

/* ---------- Bento 功能矩阵 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.bento{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.bento{grid-template-columns:repeat(12,1fr)}}
@media (min-width:1024px){
  .bento-card.span3{grid-column:span 3}
  .bento-card.span4{grid-column:span 4}
  .bento-card.span6{grid-column:span 6}
  .bento-card.tall{grid-row:span 2}
}
.bento-card{
  display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:22px;min-height:150px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE0D5}
.bento-card.tall{padding:0;overflow:hidden;min-height:0}
.bento-media{width:100%;aspect-ratio:16/10;object-fit:cover}
.bento-body{display:flex;flex-direction:column;gap:12px;padding:22px;flex:1}
.icon-block{
  width:44px;height:44px;border-radius:12px;background:var(--primary-50);color:var(--primary);
  display:grid;place-items:center;flex-shrink:0;transition:background .2s ease,color .2s ease;
}
.icon-block svg{width:22px;height:22px}
.bento-card:hover .icon-block{background:var(--primary);color:#fff}
.bento-title{font-size:19px;font-weight:600;line-height:1.4}
.bento-text{font-size:15px;color:var(--muted)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--primary-50);color:var(--primary);font-size:12.5px;font-weight:600}
.card-arrow{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);transition:transform .2s ease}
.bento-card:hover .card-arrow{transform:translateX(4px)}

/* ---------- 场景区块 ---------- */
.scene-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){.scene-grid{grid-template-columns:.92fr 1.08fr;gap:56px}}
.scene-media{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.scene-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.scene-copy h2{font-size:28px;font-weight:700;line-height:1.28;letter-spacing:-.01em}
@media (min-width:768px){.scene-copy h2{font-size:32px}}
.scene-copy > p{margin-top:14px;color:var(--muted);font-size:15px;max-width:56ch}
.scene-list{margin-top:26px;display:grid;gap:16px}
.scene-item{position:relative;padding-left:20px}
.scene-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;background:var(--primary-50)}
.scene-item:hover::before{background:var(--accent)}
.scene-item h3{font-size:16px;font-weight:600}
.scene-item p{margin-top:4px;font-size:14.5px;color:var(--muted)}
.scene-cta{margin-top:28px}

/* ---------- 数据带 ---------- */
.stats{
  background:var(--ink);color:#fff;border-radius:24px;padding:26px 10px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px 0;
  border:1px solid rgba(255,255,255,.08);
}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);padding:32px 8px}}
.stat{padding:0 18px;border-left:1px solid rgba(255,255,255,.13)}
.stat:nth-child(odd){border-left:0}
@media (min-width:1024px){
  .stat:nth-child(odd){border-left:1px solid rgba(255,255,255,.13)}
  .stat:first-child{border-left:0}
}
.stat-num{font-size:30px;font-weight:800;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
@media (min-width:768px){.stat-num{font-size:34px}}
.stat-label{margin-top:8px;font-size:14px;color:#B8C9BE}

/* ---------- 设备适配 ---------- */
.fit-list{margin-top:10px;border-top:1px solid var(--line)}
.fit-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.fit-icon{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--primary);transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.fit-icon svg{width:20px;height:20px}
.fit-item:hover .fit-icon{background:var(--primary);color:#fff;border-color:var(--primary)}
.fit-body h3{font-size:16.5px;font-weight:600}
.fit-body p{margin-top:6px;font-size:14.5px;color:var(--muted);max-width:70ch}
.fit-cols{display:grid;gap:0 40px}
@media (min-width:1024px){.fit-cols{grid-template-columns:1fr 1fr}}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;text-align:left;transition:background .2s ease;
}
.faq-q:hover{background:var(--surface)}
.faq-mark{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--primary-50);color:var(--primary);
  display:grid;place-items:center;font-size:15px;font-weight:700;transition:transform .25s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-mark{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.8;max-width:72ch}
.faq-item.open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:26px;
  padding:34px 26px;display:grid;gap:22px;border:1px solid rgba(255,255,255,.08);
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1.35fr .65fr;align-items:center;padding:48px 44px;gap:36px}
  .cta-note{grid-column:1 / -1}
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.18),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.25;letter-spacing:-.01em}
@media (min-width:768px){.cta-band h2{font-size:30px}}
.cta-band p{margin-top:12px;color:#B8C9BE;font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{font-size:12.5px;color:#8AA095}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C3D2C9;margin-top:56px;padding:52px 0 26px}
@media (min-width:1024px){.site-footer{margin-top:80px;padding:64px 0 28px}}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.45fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-mark{
  width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:18px;flex-shrink:0;
}
.footer-name{font-size:16px;font-weight:700;color:#fff;line-height:1.4}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:#9DB0A3;max-width:34ch}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li + li{margin-top:11px}
.footer-col a{font-size:14px;color:#C3D2C9;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-contact{font-size:14px;line-height:2.05;color:#9DB0A3}
.footer-bottom{
  margin-top:40px;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:#84978B;
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}