/* roulang page: index */
:root{
    --paper:#F7F6F3;
    --paper-2:#EFEDE8;
    --ink:#14211D;
    --brand:#12604F;
    --brand-deep:#0B3A31;
    --accent:#C8F169;
    --accent-hover:#D6F58A;
    --alert:#E8542F;
    --muted:#6E7B75;
    --line:#E2E0DA;
    --radius-card:16px;
    --radius-img:18px;
    --radius-btn:10px;
    --shadow-soft:0 1px 2px rgba(20,33,29,.04), 0 12px 32px -12px rgba(20,33,29,.12);
    --shadow-hover:0 2px 4px rgba(20,33,29,.06), 0 20px 44px -16px rgba(20,33,29,.20);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'PingFang SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:0;background:none;}
  input,select{font-family:inherit;font-size:15px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){ .container{padding-left:32px;padding-right:32px;} }
  .mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.01em;}
  .eyebrow{font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:600;text-transform:uppercase;}
  .eyebrow-light{color:rgba(242,241,236,.72);}
  .arrow-shift{transition:transform 240ms var(--ease);display:inline-block;}
  .group:hover .arrow-shift{transform:translateX(4px);}

  /* ---------- 顶部倒计时条 ---------- */
  .topbar{background:var(--brand-deep);color:#F2F1EC;font-size:13px;}
  .topbar-inner{display:flex;align-items:center;justify-content:center;gap:14px;min-height:38px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap;}
  .topbar .badge-live{display:inline-flex;align-items:center;gap:6px;background:rgba(200,241,105,.14);color:var(--accent);border:1px solid rgba(200,241,105,.35);border-radius:999px;padding:2px 10px;font-size:12px;letter-spacing:.08em;}
  .dot-alert{width:6px;height:6px;border-radius:999px;background:var(--alert);display:inline-block;}
  .countdown{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em;}
  .topbar-close{color:rgba(242,241,236,.6);margin-left:auto;display:none;}
  @media (min-width:768px){ .topbar-close{display:inline-flex;} }

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,243,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);}
  .site-header.is-scrolled{background:rgba(247,246,243,.94);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(20,33,29,.5);}
  .nav-inner{display:flex;align-items:center;gap:18px;min-height:70px;}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
  .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--accent);display:grid;place-items:center;font-size:15px;font-weight:800;flex:0 0 auto;}
  .nav-links{display:none;align-items:center;gap:26px;margin-left:14px;}
  @media (min-width:1024px){ .nav-links{display:flex;} }
  .nav-link{position:relative;font-size:15px;color:#3C4A44;padding:6px 0;font-weight:500;transition:color 160ms var(--ease);}
  .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease);}
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand);font-weight:700;}
  .nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .status-chip{display:none;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;color:var(--brand);border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;}
  @media (min-width:768px){ .status-chip{display:inline-flex;} }
  .hamburger{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);}
  @media (min-width:1024px){ .hamburger{display:none;} }

  .drawer{position:fixed;inset:0;background:var(--paper);z-index:90;display:flex;flex-direction:column;padding:22px 20px 30px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity 200ms var(--ease),transform 200ms var(--ease);overflow-y:auto;}
  .drawer.open{opacity:1;transform:none;pointer-events:auto;}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:22px;}
  .drawer-nav a{font-size:24px;font-weight:700;padding:14px 0;border-bottom:1px solid var(--line);letter-spacing:-.01em;}
  .drawer-nav a.active{color:var(--brand);}
  .drawer-foot{margin-top:auto;padding-top:26px;font-size:13px;color:var(--muted);line-height:2;}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),box-shadow 240ms var(--ease),transform 240ms var(--ease);}
  .btn-sm{font-size:13px;padding:9px 18px;}
  .btn-md{font-size:15px;padding:12px 24px;}
  .btn-lg{font-size:16px;padding:15px 30px;}
  .btn-primary{background:var(--accent);color:var(--ink);}
  .btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(18,96,79,.55);}
  .btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
  .btn-outline:hover{background:var(--brand);color:#F7F6F3;transform:translateY(-2px);}
  .btn-ghost{color:var(--brand);font-weight:600;}
  .btn-ghost .label{position:relative;}
  .btn-ghost .label::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease);}
  .btn-ghost:hover .label::after{transform:scaleX(1);}
  .btn-dark{background:var(--brand);color:#F2F1EC;}
  .btn-dark:hover{background:var(--brand-deep);transform:translateY(-2px);}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}

  /* ---------- Hero ---------- */
  .hero{padding-top:56px;padding-bottom:0;}
  .hero-grid{display:grid;gap:36px;align-items:center;}
  @media (min-width:1024px){ .hero-grid{grid-template-columns:7fr 5fr;gap:52px;} }
  .hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:16px 0 0;}
  .hero-sub{margin-top:20px;font-size:17px;color:#46534D;max-width:560px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .trust-line{margin-top:20px;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px;}
  .hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft);}
  .hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .float-tag{position:absolute;background:rgba(247,246,243,.96);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:12.5px;font-weight:600;box-shadow:0 10px 24px -14px rgba(20,33,29,.45);display:flex;align-items:center;gap:7px;}
  .float-tag.tl{top:18px;left:18px;}
  .float-tag.br{bottom:18px;right:18px;}
  .float-tag .pulse{width:7px;height:7px;border-radius:999px;background:var(--accent);border:1px solid rgba(18,96,79,.35);}

  /* ---------- 数据条 ---------- */
  .stats{margin-top:52px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .stats-grid{display:grid;grid-template-columns:repeat(2,1fr);}
  @media (min-width:768px){ .stats-grid{grid-template-columns:repeat(4,1fr);} }
  .stat{padding:26px 8px;text-align:center;border-right:1px solid var(--line);}
  .stat:nth-child(2n){border-right:0;}
  @media (min-width:768px){ .stat:nth-child(2n){border-right:1px solid var(--line);} .stat:last-child{border-right:0;} }
  .stat-value{font-size:2rem;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
  .stat-label{font-size:12px;color:var(--muted);letter-spacing:.06em;}

  /* ---------- 通用板块 ---------- */
  .section{padding-top:88px;padding-bottom:88px;}
  @media (max-width:1023px){ .section{padding-top:64px;padding-bottom:64px;} }
  @media (max-width:639px){ .section{padding-top:48px;padding-bottom:48px;} }
  .section-dark{background:var(--ink);color:#F2F1EC;}
  .section-paper2{background:var(--paper-2);}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
  .section-title{font-size:clamp(1.6rem,2.6vw,2.15rem);font-weight:700;letter-spacing:-.01em;line-height:1.3;margin:10px 0 0;}
  .section-sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:620px;}

  /* ---------- 权益对比表 ---------- */
  .compare-wrap{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-soft);}
  .compare-scroll{overflow-x:auto;}
  table.compare{width:100%;border-collapse:collapse;min-width:640px;}
  .compare th,.compare td{padding:0 20px;height:56px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);}
  .compare thead th{height:64px;background:var(--paper-2);font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:600;position:sticky;top:0;z-index:2;}
  .compare tbody tr:nth-child(even){background:rgba(239,237,232,.45);}
  .compare tbody tr:last-child td{border-bottom:0;}
  .compare .col-free{width:26%;color:var(--muted);}
  .compare .col-vip{width:26%;background:rgba(200,241,105,.13);border-left:1px solid rgba(18,96,79,.28);border-right:1px solid rgba(18,96,79,.28);}
  .compare thead .col-vip{background:rgba(200,241,105,.24);color:var(--brand);font-weight:700;}
  .compare tbody tr:last-child .col-vip{border-bottom:1px solid rgba(18,96,79,.28);}
  .vip-flag{display:inline-flex;align-items:center;gap:6px;font-size:11px;letter-spacing:.1em;color:var(--ink);background:var(--accent);border-radius:999px;padding:3px 10px;font-weight:700;}
  .yes,.no{display:inline-flex;align-items:center;gap:8px;}
  .yes i{width:18px;height:18px;border-radius:999px;background:var(--brand);color:var(--accent);display:grid;place-items:center;font-size:10px;}
  .no{color:#A6B0AB;}
  .no i{font-size:11px;}
  .compare-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}

  /* ---------- 等级卡片 ---------- */
  .plan-grid{display:grid;gap:24px;}
  @media (min-width:640px){ .plan-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .plan-grid{grid-template-columns:repeat(3,1fr);} }
  .plan-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;display:flex;flex-direction:column;transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);}
  .plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .plan-card.featured{border-color:var(--brand);box-shadow:var(--shadow-hover);}
  @media (min-width:1024px){ .plan-card.featured{transform:translateY(-8px);} .plan-card.featured:hover{transform:translateY(-10px);} }
  .plan-name{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--brand);}
  .plan-price{margin-top:14px;display:flex;align-items:baseline;gap:6px;}
  .plan-price .num{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;line-height:1;}
  .plan-price .unit{font-size:13px;color:var(--muted);}
  .plan-list{margin-top:22px;border-top:1px solid var(--line);}
  .plan-list li{display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:#3C4A44;}
  .plan-list li i{color:var(--brand);margin-top:6px;font-size:12px;}
  .plan-foot{margin-top:24px;}
  .plan-badge{position:absolute;top:-11px;left:24px;background:var(--accent);color:var(--ink);font-size:11px;font-weight:700;letter-spacing:.1em;border-radius:999px;padding:4px 12px;}

  /* ---------- 内容卡片 ---------- */
  .card-grid{display:grid;gap:24px;}
  @media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);} }
  .post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);}
  .post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3D0C8;}
  .thumb{position:relative;overflow:hidden;background:var(--paper-2);}
  .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 420ms var(--ease);}
  .post-card:hover .thumb img{transform:scale(1.03);}
  .thumb-tag{position:absolute;top:12px;right:12px;background:rgba(247,246,243,.94);border:1px solid var(--line);color:var(--brand);font-size:11px;font-weight:700;letter-spacing:.08em;border-radius:999px;padding:3px 10px;}
  .lock-layer{position:absolute;left:0;right:0;bottom:0;top:44%;background:linear-gradient(180deg,rgba(11,58,49,0) 0%,rgba(11,58,49,.72) 100%);display:flex;align-items:flex-end;padding:12px 14px;color:#F2F1EC;font-size:12.5px;gap:8px;}
  .card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
  .chip{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;letter-spacing:.06em;color:var(--brand);border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:3px 10px;}
  .card-title{margin-top:12px;font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-summary{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .card-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);}
  .meta-divider{width:1px;height:12px;background:var(--line);display:inline-block;}
  .card-meta .arrow{color:var(--brand);margin-left:auto;font-size:14px;}

  .empty-state{border:1.5px dashed var(--line);border-radius:var(--radius-card);padding:52px 20px;text-align:center;background:#fff;}
  .empty-state .icon{width:46px;height:46px;border-radius:999px;background:var(--paper-2);color:var(--brand);display:grid;place-items:center;margin:0 auto 14px;font-size:18px;}
  .empty-state p{margin:0 0 18px;color:var(--muted);font-size:14.5px;}

  /* ---------- 反馈 ---------- */
  .voice-grid{display:grid;gap:20px;}
  @media (min-width:768px){ .voice-grid{grid-template-columns:repeat(3,1fr);} }
  .voice{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;}
  .voice-head{display:flex;align-items:center;gap:12px;}
  .avatar{width:42px;height:42px;border-radius:999px;background:var(--brand);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:15px;}
  .voice-name{font-size:14.5px;font-weight:700;}
  .voice-role{font-size:12px;color:var(--muted);}
  .voice-text{margin-top:14px;font-size:14.5px;color:#3C4A44;}
  .voice-count{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--brand);background:rgba(200,241,105,.22);border-radius:999px;padding:5px 12px;font-weight:600;}
  .avatar-row{display:flex;align-items:center;}
  .avatar-row .mini{width:30px;height:30px;border-radius:999px;border:2px solid var(--paper);background:var(--brand-deep);color:#F2F1EC;display:grid;place-items:center;font-size:11px;margin-left:-8px;}

  /* ---------- FAQ ---------- */
  .faq-group-label{font-size:12px;letter-spacing:.12em;color:var(--muted);margin:32px 0 6px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;font-size:16.5px;font-weight:600;text-align:left;color:var(--ink);transition:color 160ms var(--ease);}
  .faq-q:hover{color:var(--brand);}
  .faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);transition:transform 240ms var(--ease),background 160ms var(--ease);}
  .faq-item.open .faq-icon{transform:rotate(180deg);background:var(--accent);border-color:var(--accent);color:var(--ink);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);}
  .faq-a p{margin:0 0 22px;font-size:15px;color:var(--muted);max-width:840px;}
  .faq-more{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}

  /* ---------- CTA 通栏 ---------- */
  .cta-band{background:var(--brand-deep);border-radius:20px;padding:44px;position:relative;overflow:hidden;color:#F2F1EC;}
  @media (max-width:767px){ .cta-band{padding:28px 22px;} }
  .cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border:1px solid rgba(200,241,105,.28);border-radius:999px;}
  .cta-band::before{content:"";position:absolute;right:40px;bottom:-90px;width:180px;height:180px;border:1px solid rgba(242,241,236,.16);border-radius:999px;}
  .cta-grid{position:relative;z-index:2;display:grid;gap:26px;align-items:center;}
  @media (min-width:1024px){ .cta-grid{grid-template-columns:1.4fr .9fr;gap:40px;} }
  .cta-title{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;letter-spacing:-.01em;line-height:1.35;margin:0;}
  .cta-sub{margin-top:10px;font-size:14.5px;color:rgba(242,241,236,.72);max-width:520px;}
  .cta-note{margin-top:12px;font-size:12px;color:rgba(242,241,236,.6);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-deep);color:#F2F1EC;margin-top:0;}
  .footer-grid{display:grid;gap:32px;padding:64px 0 40px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;} }
  .footer-title{font-size:13px;letter-spacing:.12em;color:rgba(242,241,236,.62);margin-bottom:16px;}
  .footer-link{display:block;font-size:14.5px;color:rgba(242,241,236,.72);padding:6px 0;transition:color 160ms var(--ease);}
  .footer-link:hover{color:var(--accent);}
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;}
  .footer-brand .logo-mark{background:var(--accent);color:var(--brand-deep);}
  .footer-desc{margin-top:16px;font-size:14px;color:rgba(242,241,236,.72);max-width:340px;}
  .footer-bottom{border-top:1px solid rgba(242,241,236,.14);padding:20px 0 32px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(242,241,236,.6);}
  .footer-stat{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(242,241,236,.72);margin-top:18px;}

  @media (prefers-reduced-motion:reduce){
    *{transition-duration:1ms !important;animation-duration:1ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category1 */
:root{
    --paper:#F7F6F3;
    --paper-2:#EFEDE8;
    --ink:#14211D;
    --brand:#12604F;
    --brand-deep:#0B3A31;
    --accent:#C8F169;
    --accent-soft:#D6F58A;
    --alert:#E8542F;
    --muted:#6E7B75;
    --line:#E2E0DA;
    --radius-card:16px;
    --radius-img:18px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(20,33,29,.04), 0 12px 32px -12px rgba(20,33,29,.12);
    --shadow-2:0 2px 6px rgba(20,33,29,.06), 0 20px 44px -16px rgba(20,33,29,.18);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Source Han Sans","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.9;
    letter-spacing:.005em;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-family:"DIN Alternate","SF Mono",ui-monospace,SFMono-Regular,Menlo,monospace;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){ .container{max-width:1280px;padding:0 32px;} }
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,246,243,.78);
    border-bottom:1px solid transparent;
    transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
  }
  .site-header.scrolled{
    background:rgba(247,246,243,.92);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
  }
  .nav-inner{display:flex;align-items:center;gap:28px;height:70px;}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--accent);
    display:grid;place-items:center;font-size:17px;font-weight:800;flex:0 0 auto;
  }
  .nav-links{display:none;align-items:center;gap:4px;margin-left:8px;}
  .nav-link{
    position:relative;padding:8px 12px;font-size:15px;font-weight:600;color:var(--muted);
    transition:color .16s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);
    transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand);}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .status-chip{
    display:none;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.06em;
    color:var(--brand);border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;
  }
  .status-chip i{color:var(--accent);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);font-weight:700;font-size:15px;line-height:1;
    padding:14px 22px;border:1.5px solid transparent;cursor:pointer;
    transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  }
  .btn i{transition:transform .24s var(--ease);}
  .btn-primary{background:var(--accent);color:var(--ink);border-radius:999px;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--accent-soft);transform:translateY(-2px);}
  .btn-primary:hover i{transform:translateX(4px);}
  .btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
  .btn-outline:hover{background:var(--brand);color:#F2F1EC;transform:translateY(-2px);}
  .btn-sm{padding:10px 18px;font-size:14px;border-radius:999px;}
  .btn-block{width:100%;}
  .hamburger{
    display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;cursor:pointer;
    transition:border-color .16s var(--ease),background .16s var(--ease);
  }
  .hamburger:hover{border-color:var(--brand);}
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .status-chip{display:inline-flex;}
    .hamburger{display:none;}
  }

  /* ---------- Drawer ---------- */
  .drawer{
    position:fixed;inset:0;z-index:90;background:var(--paper);
    transform:translateX(100%);transition:transform .32s var(--ease);
    display:flex;flex-direction:column;padding:24px 24px 32px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
  .drawer-close{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;font-size:18px;cursor:pointer;color:var(--ink);
  }
  .drawer-link{
    display:block;font-size:24px;font-weight:800;letter-spacing:-.01em;padding:14px 0;
    border-bottom:1px solid var(--line);color:var(--ink);
  }
  .drawer-link.active{color:var(--brand);}
  .drawer-link.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle;}
  .drawer-foot{margin-top:auto;padding-top:28px;font-size:13px;color:var(--muted);}
  @media (min-width:1024px){ .drawer{display:none;} }

  /* ---------- Section base ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:72px 0;} }
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .eyebrow{
    font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand);
    display:inline-flex;align-items:center;gap:8px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:inline-block;}
  h1,h2,h3{letter-spacing:-.015em;line-height:1.25;margin:0;}
  .h2{font-size:1.6rem;font-weight:800;}
  @media (min-width:768px){ .h2{font-size:2rem;} }
  .lead{color:var(--muted);font-size:15px;line-height:1.9;}

  /* ---------- Breadcrumb ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);padding-top:22px;
  }
  .breadcrumb a{color:var(--muted);transition:color .16s var(--ease);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--brand);font-weight:600;}

  /* ---------- Category hero ---------- */
  .cat-hero{
    position:relative;margin-top:20px;border-radius:20px;overflow:hidden;
    border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);
  }
  .cat-hero-bg{
    position:absolute;inset:0;
    background-image:linear-gradient(90deg,rgba(20,33,29,.90) 0%,rgba(20,33,29,.78) 45%,rgba(11,58,49,.52) 100%),url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
  }
  .cat-hero-inner{position:relative;padding:34px 24px 32px;color:#F2F1EC;}
  @media (min-width:768px){ .cat-hero-inner{padding:48px 44px 44px;} }
  .cat-hero h1{
    font-size:clamp(1.8rem,4vw,2.7rem);font-weight:800;color:#fff;margin:14px 0 14px;
  }
  .cat-hero p{max-width:660px;color:rgba(242,241,236,.82);font-size:15px;margin:0;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:14px 32px;margin-top:26px;}
  .hero-stat{display:flex;align-items:baseline;gap:8px;color:rgba(242,241,236,.75);font-size:12px;letter-spacing:.06em;}
  .hero-stat b{font-size:1.5rem;color:var(--accent);font-weight:800;}
  .cat-hero .eyebrow{color:var(--accent);}

  /* ---------- Filter bar ---------- */
  .filter-bar{
    margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;
    box-shadow:var(--shadow-1);
  }
  .filter-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);}
  .chip{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
    padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper);
    color:var(--muted);cursor:pointer;transition:all .16s var(--ease);
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);}
  .chip.active{background:var(--accent);border-color:var(--accent);color:var(--ink);}
  .filter-spacer{flex:1 1 auto;}
  .select-like{
    display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;
    padding:9px 14px;font-size:13px;font-weight:600;color:var(--ink);background:#fff;cursor:pointer;
    transition:border-color .16s var(--ease),color .16s var(--ease);
  }
  .select-like:hover{border-color:var(--brand);color:var(--brand);}

  /* ---------- Layout: sidebar + list ---------- */
  .cat-layout{display:grid;grid-template-columns:1fr;gap:32px;margin-top:36px;}
  @media (min-width:1024px){ .cat-layout{grid-template-columns:240px 1fr;gap:44px;} }
  .side-nav{display:none;}
  @media (min-width:1024px){
    .side-nav{
      display:block;position:sticky;top:96px;align-self:start;
    }
  }
  .side-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-bottom:12px;}
  .side-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
  .side-list a{
    display:block;padding:9px 0 9px 16px;font-size:14px;font-weight:600;color:var(--muted);
    border-left:2px solid transparent;margin-left:-1px;transition:all .16s var(--ease);
  }
  .side-list a:hover{color:var(--brand);}
  .side-list a.active{color:var(--brand);border-left-color:var(--accent);background:linear-gradient(90deg,rgba(200,241,105,.18),rgba(200,241,105,0));}
  .side-card{
    margin-top:26px;background:var(--brand-deep);color:#F2F1EC;border-radius:16px;padding:20px;
  }
  .side-card h3{font-size:15px;font-weight:700;color:#fff;}
  .side-card p{font-size:12.5px;color:rgba(242,241,236,.72);margin:8px 0 14px;line-height:1.8;}
  .side-card .btn{font-size:13px;padding:10px 16px;}
  /* mobile side nav as horizontal scroll */
  .side-scroll{
    display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;
  }
  .side-scroll a{
    flex:0 0 auto;font-size:13px;font-weight:600;color:var(--muted);border:1px solid var(--line);
    background:#fff;border-radius:999px;padding:8px 16px;transition:all .16s var(--ease);
  }
  .side-scroll a.active{background:var(--brand);border-color:var(--brand);color:#F2F1EC;}
  @media (min-width:1024px){ .side-scroll-wrap{display:none;} }

  /* ---------- App list rows ---------- */
  .list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:6px;}
  .list-head .h2{font-size:1.35rem;}
  .list-count{font-size:13px;color:var(--muted);}
  .app-list{margin-top:18px;border-top:1px solid var(--line);}
  .app-row{
    display:grid;grid-template-columns:1fr;gap:16px;
    padding:22px 0;border-bottom:1px solid var(--line);
    transition:background .24s var(--ease);
  }
  .app-row:hover{background:rgba(239,237,232,.55);}
  @media (min-width:640px){
    .app-row{grid-template-columns:150px 1fr;gap:20px;align-items:flex-start;}
  }
  @media (min-width:1024px){
    .app-row{grid-template-columns:150px 1fr 128px;gap:24px;align-items:center;padding:20px 12px;}
  }
  .app-thumb{overflow:hidden;border-radius:14px;aspect-ratio:4/3;background:var(--paper-2);max-width:200px;}
  .app-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
  .app-row:hover .app-thumb img{transform:scale(1.03);}
  .app-name{font-size:1.05rem;font-weight:700;margin:0;}
  .app-name a:hover{color:var(--brand);}
  .app-tag{
    display:inline-flex;align-items:center;font-size:11.5px;font-weight:700;letter-spacing:.06em;
    border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--muted);background:#fff;
  }
  .app-tag.hot{background:rgba(200,241,105,.28);border-color:rgba(18,96,79,.18);color:var(--brand-deep);}
  .app-desc{font-size:14px;color:var(--muted);margin:8px 0 12px;line-height:1.85;}
  .app-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;color:var(--muted);}
  .app-meta span{display:inline-flex;align-items:center;gap:6px;}
  .app-meta i{color:var(--brand);font-size:11px;}
  .app-action{display:flex;justify-content:flex-start;}
  @media (min-width:1024px){ .app-action{justify-content:flex-end;} }
  .app-action .btn{padding:10px 18px;font-size:13.5px;border-radius:10px;}

  /* ---------- Pagination ---------- */
  .pager{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:28px;}
  .pager a,.pager span{
    min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14px;font-weight:600;
    color:var(--muted);transition:all .16s var(--ease);
  }
  .pager a:hover{border-color:var(--brand);color:var(--brand);}
  .pager .current{background:var(--brand);border-color:var(--brand);color:#F2F1EC;}
  .pager .dots{border-color:transparent;background:transparent;}

  /* ---------- CTA banner ---------- */
  .cta-band{
    background:var(--brand-deep);border-radius:20px;padding:30px 24px;color:#F2F1EC;
    display:flex;flex-direction:column;gap:22px;position:relative;overflow:hidden;
  }
  @media (min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 44px;}
  }
  .cta-band h2{font-size:1.35rem;font-weight:800;color:#fff;}
  @media (min-width:768px){ .cta-band h2{font-size:1.6rem;} }
  .cta-band p{margin:8px 0 0;font-size:14px;color:rgba(242,241,236,.72);max-width:560px;}
  .cta-band .deco{
    position:absolute;right:-40px;top:-40px;width:200px;height:200px;border:1px solid rgba(200,241,105,.28);
    border-radius:50%;pointer-events:none;
  }
  .cta-band .deco.two{right:auto;left:-70px;bottom:-90px;top:auto;width:230px;height:230px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;position:relative;}

  /* ---------- FAQ ---------- */
  .faq-list{margin-top:26px;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;background:none;border:0;text-align:left;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;font-size:16px;font-weight:700;color:var(--ink);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q i{color:var(--brand);transition:transform .24s var(--ease);font-size:14px;flex:0 0 auto;}
  .faq-item.open .faq-q i{transform:rotate(180deg);}
  .faq-a{display:none;padding:0 4px 22px;font-size:15px;color:var(--muted);line-height:1.9;max-width:820px;}
  .faq-item.open .faq-a{display:block;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink);color:rgba(242,241,236,.72);margin-top:64px;padding:56px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;} }
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#F2F1EC;margin-bottom:14px;}
  .footer-desc{font-size:13.5px;line-height:1.9;max-width:340px;margin:0 0 16px;}
  .footer-stat{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);}
  .footer-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:#F2F1EC;margin-bottom:14px;}
  .footer-link{display:block;font-size:14px;color:rgba(242,241,236,.72);padding:5px 0;transition:color .16s var(--ease);}
  .footer-link:hover{color:var(--accent);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(242,241,236,.14);
    display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:rgba(242,241,236,.55);
  }
  @media (min-width:768px){ .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;} }

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

@media (min-width:768px){
            .steps-grid{grid-template-columns:repeat(2,1fr) !important;}
          }
          @media (min-width:1024px){
            .steps-grid{grid-template-columns:repeat(4,1fr) !important;}
          }

/* roulang page: article */
:root{
  --paper:#F7F6F3;
  --paper-2:#EFEDE8;
  --paper-3:#FBFAF8;
  --ink:#14211D;
  --brand:#12604F;
  --brand-deep:#0B3A31;
  --accent:#C8F169;
  --accent-soft:#EDFAD0;
  --accent-line:#D8EFA4;
  --alert:#E8542F;
  --muted:#6E7B75;
  --line:#E2E0DA;
  --on-ink:#F2F1EC;
  --on-ink-soft:rgba(242,241,236,.72);
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(20,33,29,.04), 0 12px 32px -12px rgba(20,33,29,.12);
  --shadow-hover:0 2px 4px rgba(20,33,29,.06), 0 22px 44px -18px rgba(20,33,29,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:"DIN Alternate","SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color 160ms var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部提示条 ============ */
.topbar{background:var(--brand-deep);color:var(--on-ink);position:relative;z-index:70}
.topbar.is-hidden{display:none}
.topbar-inner{display:flex;align-items:center;gap:14px;height:40px;font-size:13px}
.badge-live{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;background:rgba(200,241,105,.14);color:var(--accent);font-size:12px;letter-spacing:.08em;flex:0 0 auto}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--alert);display:inline-block}
.topbar-text{color:var(--on-ink-soft);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.countdown{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700;letter-spacing:.06em;font-size:14px}
.topbar-close{margin-left:auto;color:var(--on-ink-soft);width:28px;height:28px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;transition:background 160ms var(--ease),color 160ms var(--ease)}
.topbar-close:hover{background:rgba(242,241,236,.12);color:var(--on-ink)}
@media (max-width:639px){.topbar-text{display:none}}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,243,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease)}
.site-header.is-scrolled{background:rgba(247,246,243,.94);border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(20,33,29,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;flex:0 0 auto}
.nav-links{display:none;align-items:center;gap:26px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;font-size:14.5px;color:var(--muted);padding:6px 0;font-weight:500}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px}
.status-chip{display:none;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;color:var(--brand);border:1px solid var(--line);background:var(--paper-3);padding:5px 11px;border-radius:999px;white-space:nowrap}
@media (min-width:768px){.status-chip{display:inline-flex}}
.hamburger{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper-3);display:inline-flex;align-items:center;justify-content:center;color:var(--ink);transition:background 160ms var(--ease),border-color 160ms var(--ease)}
.hamburger:hover{background:var(--paper-2);border-color:var(--muted)}
@media (min-width:1024px){.hamburger{display:none}}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:13px 24px;transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);white-space:nowrap;border:1.5px solid transparent}
.btn i{transition:transform 240ms var(--ease)}
.btn-primary{background:var(--accent);color:var(--brand-deep);box-shadow:0 10px 22px -14px rgba(18,96,79,.6)}
.btn-primary:hover{background:#D6F58A;transform:translateY(-2px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:var(--paper)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn:active{transform:translateY(0)}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;background:var(--paper);z-index:90;padding:20px;display:flex;flex-direction:column;gap:20px;transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),transform 240ms var(--ease),visibility 240ms var(--ease);overflow-y:auto}
.drawer.open{transform:none;opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center}
.drawer-links{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0}
.drawer-link{font-size:24px;font-weight:700;padding:10px 0;color:var(--ink);letter-spacing:-.01em}
.drawer-link.active{color:var(--brand)}
.drawer-cta{width:100%}
.drawer-foot{font-size:13px;color:var(--muted);margin-top:auto;line-height:1.9}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line)}
.crumbs .current{color:#9AA6A0;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-hero{padding:34px 0 26px;border-bottom:1px solid var(--line)}
@media (min-width:768px){.article-hero{padding:46px 0 36px}}
.cat-pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;letter-spacing:.12em;color:var(--brand);border:1px solid var(--accent-line);background:var(--accent-soft);padding:5px 13px;border-radius:999px;font-weight:700}
.article-title{font-size:clamp(1.9rem,4.2vw,3rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;margin:18px 0 0;max-width:900px}
.article-lead{color:var(--muted);font-size:16.5px;max-width:760px;margin-top:16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--muted);margin-top:22px}
.article-meta .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.article-meta .divider{width:1px;height:12px;background:var(--line);display:inline-block}
.meta-avatar{width:26px;height:26px;border-radius:50%;background:var(--brand);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}

/* ============ 正文布局 ============ */
.article-section{padding:40px 0 20px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media (min-width:1080px){.article-layout{grid-template-columns:minmax(0,760px) 220px;justify-content:center}}
.article-main{min-width:0}
.article-body{font-size:16px;line-height:1.9;color:#1D2B26;word-break:break-word}
.article-body h2{font-size:clamp(1.28rem,2vw,1.55rem);font-weight:700;letter-spacing:-.01em;position:relative;padding-left:15px;margin:2.1em 0 .85em}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;bottom:.28em;width:3px;border-radius:2px;background:var(--accent)}
.article-body h3{font-size:1.125rem;font-weight:600;margin:1.6em 0 .6em;color:var(--brand-deep)}
.article-body p{margin:0 0 1.1em}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.article-body ol{counter-reset:item;margin:0 0 1.2em}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.55em;counter-increment:item}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:.38em;width:19px;height:19px;line-height:19px;text-align:center;border-radius:50%;background:var(--paper-2);color:var(--brand);font-size:12px;font-weight:700;font-family:var(--mono)}
.article-body blockquote{margin:1.6em 0;padding:15px 20px;border-left:3px solid var(--brand);background:var(--paper-2);border-radius:0 12px 12px 0}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.7em auto}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:var(--paper-2);font-weight:700;color:var(--brand-deep)}
.article-body tbody tr:nth-child(even){background:rgba(239,237,232,.5)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-deep)}
.article-body code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-family:var(--mono);font-size:.9em}
.article-body pre{background:var(--paper-2);padding:18px;border-radius:14px;overflow-x:auto;margin:1.6em 0}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ 目录 ============ */
.toc{display:none}
@media (min-width:1080px){.toc{display:block}}
.toc[hidden]{display:none !important}
.toc-inner{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:18px}
.toc-title{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:700;margin-bottom:12px}
.toc ol{display:flex;flex-direction:column;gap:9px}
.toc a{font-size:13.5px;color:var(--muted);line-height:1.6;display:block;border-left:2px solid transparent;margin-left:-20px;padding-left:18px;transition:color 160ms var(--ease),border-color 160ms var(--ease)}
.toc a:hover{color:var(--brand);border-left-color:var(--accent)}

/* ============ 会员引导卡 ============ */
.member-inline{background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:18px;padding:26px 28px;margin:40px 0;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.member-inline .mi-tag{font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:700}
.member-inline h3{font-size:1.2rem;font-weight:700;margin:8px 0 6px}
.member-inline p{font-size:14.5px;color:#41615A;max-width:520px}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand);background:var(--paper-3);border:1px solid var(--line);padding:5px 13px;border-radius:999px;transition:border-color 160ms var(--ease),background 160ms var(--ease)}
.tag:hover{border-color:var(--accent);background:var(--accent-soft)}

/* ============ 空态 ============ */
.empty-state{border:1.5px dashed var(--line);border-radius:var(--radius);padding:56px 24px;text-align:center;color:var(--muted)}
.empty-state i{font-size:30px;color:#B9C2BD;margin-bottom:14px;display:block}
.empty-state p{margin-bottom:18px;font-size:15px}

/* ============ 通用板块 ============ */
.section{padding:52px 0}
@media (min-width:768px){.section{padding:72px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:700;margin-bottom:10px;text-transform:uppercase}
.section-title{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.015em}
.section-sub{color:var(--muted);font-size:14.5px;margin-top:8px}
.text-link{color:var(--brand);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;border-bottom:1.5px solid transparent;transition:border-color 160ms var(--ease),color 160ms var(--ease)}
.text-link:hover{border-bottom-color:var(--accent);color:var(--brand-deep)}
.text-link i{transition:transform 240ms var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ============ 卡片 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{background:var(--paper-3);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D3CB}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .level-tag{position:absolute;top:12px;right:12px;font-size:11.5px;letter-spacing:.08em;padding:4px 10px;border-radius:999px;background:var(--accent);color:var(--brand-deep);font-weight:700}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-kicker{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:700}
.card-title{font-size:17px;font-weight:700;line-height:1.5;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{margin-top:auto;padding:14px 20px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.card-foot .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.card-foot .divider{width:1px;height:11px;background:var(--line)}
.card-foot .go{margin-left:auto;color:var(--brand);transition:transform 240ms var(--ease)}
.card:hover .card-foot .go{transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:22px 0;font-size:16px;font-weight:600;color:var(--ink);transition:color 160ms var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-q .faq-icon{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--brand);font-size:12px;transition:transform 240ms var(--ease),background 160ms var(--ease)}
.faq-item.open .faq-q .faq-icon{transform:rotate(180deg);background:var(--accent);border-color:var(--accent)}
.faq-a{display:none;padding:0 44px 22px 0;font-size:15px;color:var(--muted);line-height:1.9}
.faq-item.open .faq-a{display:block}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--ink);color:var(--on-ink);border-radius:var(--radius-lg);padding:36px 28px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
@media (min-width:768px){.cta-band{padding:48px 46px}}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;border:1px solid rgba(200,241,105,.22)}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.75rem);font-weight:800;letter-spacing:-.015em}
.cta-band p{color:var(--on-ink-soft);font-size:14.5px;margin-top:10px;max-width:520px}
.cta-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-start;position:relative;z-index:1}
.cta-note{font-size:12px;color:var(--on-ink-soft)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:var(--on-ink);margin-top:72px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@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;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--on-ink-soft);line-height:1.9;max-width:360px}
.footer-stat{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--on-ink-soft);border:1px solid rgba(242,241,236,.18);border-radius:999px;padding:7px 14px}
.footer-stat i{color:var(--accent)}
.footer-title{font-size:13px;letter-spacing:.12em;color:rgba(242,241,236,.62);font-weight:700;margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:var(--on-ink-soft);padding:6px 0;transition:color 160ms var(--ease),transform 240ms var(--ease)}
.footer-link:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(242,241,236,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(242,241,236,.58)}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .card:hover{transform:none}
  .btn:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F7F6F3;
  --paper-2:#EFEDE8;
  --ink:#14211D;
  --brand:#12604F;
  --brand-deep:#0B3A31;
  --accent:#C8F169;
  --accent-hover:#D6F58A;
  --alert:#E8542F;
  --muted:#6E7B75;
  --line:#E2E0DA;
  --on-dark:#F2F1EC;
  --on-dark-soft:rgba(242,241,236,.72);
  --radius-card:16px;
  --radius-img:18px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(20,33,29,.04),0 12px 32px -12px rgba(20,33,29,.12);
  --shadow-lg:0 2px 6px rgba(20,33,29,.06),0 22px 44px -16px rgba(20,33,29,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:"DIN Alternate","SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
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}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:64px 0;scroll-margin-top:150px}
@media (min-width:1024px){.section{padding:88px 0}}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--brand);margin-bottom:14px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.55rem,3vw,2.15rem);font-weight:700;letter-spacing:-.01em;line-height:1.28;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px}
.group-rule{height:1px;background:var(--line);margin:0 0 44px}

/* 顶部提示条 */
.topbar{background:var(--brand-deep);color:var(--on-dark)}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:38px;padding-top:6px;padding-bottom:6px}
.badge-limit{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--accent);border:1px solid rgba(200,241,105,.4);border-radius:var(--radius-pill);padding:3px 10px;white-space:nowrap}
.topbar-text{font-size:13px;color:var(--on-dark-soft);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-text b{color:var(--accent);font-weight:700}
.topbar-close{background:transparent;border:0;color:var(--on-dark-soft);font-size:13px;padding:4px 6px;border-radius:8px;transition:color .16s var(--ease)}
.topbar-close:hover{color:var(--accent)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,243,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-scrolled{background:rgba(247,246,243,.95);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--accent);display:grid;place-items:center;font-size:16px;font-weight:800;flex:none}
.nav-links{display:none;align-items:center;gap:30px}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:color .16s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.status-chip{display:none;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--brand-deep);background:var(--accent);border-radius:var(--radius-pill);padding:6px 12px}
.hamburger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;font-size:16px;transition:border-color .16s var(--ease),color .16s var(--ease)}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .status-chip{display:inline-flex}
  .hamburger{display:none}
}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);border:1.5px solid transparent;font-size:15px;font-weight:700;line-height:1;padding:14px 26px;cursor:pointer;white-space:nowrap;transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease)}
.btn i{transition:transform .24s var(--ease)}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.btn-primary:hover i.fa-arrow-right{transform:translateX(4px)}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-secondary:hover{background:var(--brand);color:var(--paper);transform:translateY(-3px)}
.btn-light{background:transparent;border-color:rgba(242,241,236,.42);color:var(--on-dark)}
.btn-light:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-lg{padding:17px 32px;font-size:16px}
.btn-block{width:100%}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--brand-deep);color:var(--on-dark);display:none;flex-direction:column;padding:24px 22px 32px;overflow-y:auto}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid rgba(242,241,236,.16)}
.drawer-head .logo{color:#fff;font-size:16px}
.drawer-head .logo-mark{background:var(--accent);color:var(--brand-deep)}
.drawer-close{width:40px;height:40px;border-radius:12px;background:transparent;border:1px solid rgba(242,241,236,.28);color:var(--on-dark);display:grid;place-items:center}
.drawer-count{margin:22px 0 8px;font-size:13px;color:var(--on-dark-soft)}
.drawer-count b{color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;margin:12px 0 28px}
.drawer-link{font-size:24px;font-weight:800;letter-spacing:-.01em;padding:16px 0;border-bottom:1px solid rgba(242,241,236,.12);color:var(--on-dark-soft)}
.drawer-link.active{color:var(--accent)}
.drawer-foot{margin-top:22px;font-size:13px;color:rgba(242,241,236,.6);line-height:1.9}

/* 面包屑 */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);padding:24px 0 20px}
.crumb a{color:var(--muted);transition:color .16s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--brand);font-weight:600}

/* 分类横幅 */
.cat-hero{padding-top:8px}
.cat-hero-card{position:relative;overflow:hidden;background:var(--brand-deep);color:var(--on-dark);border-radius:20px;padding:36px 26px;display:grid;grid-template-columns:1fr;gap:32px}
.cat-hero-card::before{content:"";position:absolute;left:-90px;bottom:-120px;width:260px;height:260px;border:1px solid rgba(200,241,105,.22);border-radius:50%;pointer-events:none}
.cat-hero-text .eyebrow{color:var(--accent)}
.cat-hero-text h1{font-size:clamp(1.95rem,4.4vw,3.1rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:#fff;margin-bottom:16px}
.cat-hero-text p{font-size:15.5px;color:var(--on-dark-soft);max-width:560px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(242,241,236,.18);aspect-ratio:16/10}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.cat-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,49,0) 46%,rgba(11,58,49,.62) 100%)}
.cat-hero-flag{position:absolute;left:14px;bottom:14px;z-index:2;display:inline-flex;align-items:center;gap:8px;background:rgba(247,246,243,.94);color:var(--brand-deep);font-size:12.5px;font-weight:700;border-radius:var(--radius-pill);padding:7px 14px}
@media (min-width:1024px){
  .cat-hero-card{grid-template-columns:1.15fr .85fr;align-items:center;padding:56px;gap:48px}
}

/* 锚点标签条 */
.anchor-bar{position:sticky;top:70px;z-index:50;margin-top:-22px;padding:14px 0 0;background:linear-gradient(180deg,var(--paper) 62%,rgba(247,246,243,0) 100%)}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 20px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--radius-pill);box-shadow:var(--shadow-sm);scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
@media (min-width:1024px){.anchor-inner{padding:10px 16px;justify-content:flex-start}}
.anchor-link{flex:none;font-size:14px;color:var(--muted);padding:7px 14px;border-radius:var(--radius-pill);transition:color .16s var(--ease),background .16s var(--ease)}
.anchor-link:hover{color:var(--brand);background:var(--paper-2)}
.anchor-link.active{color:var(--brand);font-weight:700;background:rgba(200,241,105,.36)}

/* 礼包卡片 */
.stagger-grid{display:grid;grid-template-columns:1fr;gap:24px}
.stagger-col{display:flex;flex-direction:column;gap:24px}
@media (min-width:1024px){
  .stagger-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stagger-col{gap:28px}
  .stagger-col-offset{margin-top:28px}
}
.pack-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:14px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.pack-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D6D3CB}
.pack-media{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9}
.pack-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease)}
.pack-card:hover .pack-media img{transform:scale(1.03)}
.pack-level{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--brand-deep);background:rgba(247,246,243,.94);border-radius:var(--radius-pill);padding:5px 12px}
.pack-body{padding:18px 8px 8px}
.pack-body h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pack-body p{font-size:14.5px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pack-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.pack-meta .fa-arrow-right{color:var(--brand);transition:transform .24s var(--ease)}
.pack-card:hover .pack-meta .fa-arrow-right{transform:translateX(4px)}

/* 流程 */
.steps-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.steps-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.steps-grid{grid-template-columns:repeat(4,1fr);gap:28px}}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 22px;border-top:2px solid var(--accent);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.step-num{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--brand);font-weight:700}
.step-card h3{font-size:17px;font-weight:700;margin:12px 0 8px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.85}

/* 等级速览 */
.tier-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:1024px){.tier-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.tier-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.tier-card.featured{border-color:var(--brand);box-shadow:var(--shadow-sm)}
@media (min-width:1024px){.tier-card.featured{transform:translateY(-8px)}.tier-card.featured:hover{transform:translateY(-11px)}}
.tier-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.tier-name{font-size:18px;font-weight:800}
.tier-price{font-family:var(--mono);font-size:14px;color:var(--muted)}
.tier-list{margin-top:16px}
.tier-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);padding:9px 0;line-height:1.8}
.tier-list li i{color:var(--brand);margin-top:8px;font-size:12px;flex:none}
.tier-list li.accent i{color:var(--brand)}
.tier-action{margin-top:20px}
.pill-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--brand);border:1px solid rgba(18,96,79,.32);border-radius:var(--radius-pill);padding:4px 12px}
.pill-tag.solid{background:var(--accent);border-color:var(--accent);color:var(--brand-deep)}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;background:transparent;border:0;padding:24px 4px;font-size:17px;font-weight:600;color:var(--ink);transition:color .16s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-q i{flex:none;font-size:13px;color:var(--brand);transition:transform .32s var(--ease)}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
.faq-item.open .faq-panel{grid-template-rows:1fr}
.faq-panel > div{overflow:hidden}
.faq-panel p{font-size:15px;color:var(--muted);padding:0 4px 24px;line-height:1.9}

/* CTA 条 */
.cta-band{position:relative;overflow:hidden;background:var(--brand-deep);color:var(--on-dark);border-radius:20px;padding:36px 26px;display:flex;flex-direction:column;gap:26px}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border:1px solid rgba(200,241,105,.26);border-radius:50%;pointer-events:none}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;line-height:1.3;letter-spacing:-.01em;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--on-dark-soft);max-width:520px}
.cta-side{position:relative;z-index:1}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(242,241,236,.6)}
@media (min-width:1024px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 56px;gap:40px}
  .cta-side{text-align:right}
  .cta-note{text-align:right}
}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:var(--on-dark);padding:68px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1fr;gap: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;font-size:17px;font-weight:800;margin-bottom:16px;color:#fff}
.site-footer .logo-mark{background:var(--accent);color:var(--brand-deep)}
.footer-desc{font-size:14px;line-height:1.9;color:var(--on-dark-soft);max-width:360px}
.footer-stat{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);border:1px solid rgba(200,241,105,.32);border-radius:var(--radius-pill);padding:8px 14px}
.footer-title{font-size:13px;letter-spacing:.12em;color:rgba(242,241,236,.55);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:var(--on-dark-soft);padding:6px 0;transition:color .16s var(--ease)}
.footer-link:hover{color:var(--accent)}
.footer-bottom{margin-top:52px;padding-top:20px;border-top:1px solid rgba(242,241,236,.14);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(242,241,236,.6)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .pack-card:hover,.step-card:hover,.tier-card:hover,.btn:hover{transform:none !important}
}