/* roulang page: index */
:root{
    --field:#0F9D6C; --field-hover:#0B8558; --field-active:#096B47;
    --field-light:#E8F6F0; --field-lighter:#DCF2E8;
    --track:#FF6A2B; --track-hover:#EA5514; --spark:#CBF24A;
    --ink:#10231D; --ink-soft:#1A322A;
    --paper:#F7F7F2; --surface:#FFFFFF; --line:#E2E8E4; --line-soft:#EDF1EE;
    --t-main:#132019; --t-sub:#4A5A54; --t-weak:#7C8B84;
    --danger:#D6453B; --info:#4A6C8C;
    --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0; background:var(--paper); color:var(--t-main);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:17px; line-height:1.9; letter-spacing:.01em;
    text-rendering:optimizeLegibility;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; transition:color .2s var(--ease); }
  a:hover{ color:var(--field); }
  button,input{ font:inherit; color:inherit; }
  h1,h2,h3,h4{ margin:0; line-height:1.3; font-weight:700; letter-spacing:.005em; }
  p{ margin:0; }
  ul{ margin:0; padding:0; list-style:none; }
  :focus-visible{ outline:2px solid var(--field); outline-offset:2px; border-radius:6px; }
  .num{ font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace; font-variant-numeric:tabular-nums; letter-spacing:0; }

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

  .section{ padding:56px 0; }
  @media (min-width:768px){ .section{ padding:72px 0; } }
  @media (min-width:1024px){ .section{ padding:96px 0; } }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky; top:0; z-index:50;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s var(--ease);
  }
  .site-header.is-scrolled{ box-shadow:0 2px 14px rgba(16,35,29,.08); }
  .nav-bar{ display:flex; align-items:center; gap:20px; height:64px; }
  @media (min-width:1024px){ .nav-bar{ height:72px; gap:28px; } }
  .brand{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
  .brand-mark{
    width:34px; height:34px; border-radius:10px; flex-shrink:0;
    background:linear-gradient(135deg,#0F9D6C 0%,#0B8558 100%);
    position:relative; overflow:hidden;
  }
  .brand-mark::before,.brand-mark::after{
    content:""; position:absolute; left:-20%; width:140%; height:2px;
    background:rgba(255,255,255,.85); transform:rotate(-32deg);
  }
  .brand-mark::before{ top:11px; }
  .brand-mark::after{ top:21px; opacity:.6; }
  .brand-word{ font-size:17px; font-weight:800; letter-spacing:.02em; color:var(--t-main); white-space:nowrap; }
  @media (min-width:1024px){ .brand-word{ font-size:19px; } }
  .nav-links{ display:none; align-items:center; gap:4px; margin-left:8px; }
  @media (min-width:1024px){ .nav-links{ display:flex; } }
  .nav-link{
    position:relative; padding:8px 12px; font-size:15px; font-weight:500;
    letter-spacing:.02em; color:var(--t-sub); border-radius:8px; white-space:nowrap;
  }
  .nav-link:hover{ color:var(--field); background:var(--field-light); }
  .nav-link.is-active{ color:var(--field); font-weight:700; }
  .nav-link.is-active::after{
    content:""; position:absolute; left:12px; right:12px; bottom:0; height:2px;
    background:var(--field); border-radius:2px;
  }
  .nav-right{ margin-left:auto; display:flex; align-items:center; gap:12px; }
  .status-pill{
    display:none; align-items:center; gap:6px; height:32px; padding:0 12px;
    border-radius:999px; background:var(--field-light); color:var(--field);
    font-size:13px; font-weight:600; white-space:nowrap;
  }
  @media (min-width:768px){ .status-pill{ display:inline-flex; } }
  .dot{
    width:6px; height:6px; border-radius:50%; background:var(--field);
    animation:breathe 1.8s var(--ease) infinite;
  }
  @keyframes breathe{ 0%,100%{ opacity:1; transform:scale(1);} 50%{ opacity:.35; transform:scale(.8);} }
  .countdown{ display:none; }
  @media (min-width:1280px){ .countdown{ display:inline-flex; align-items:center; gap:6px; font-size:13px; color:var(--track); font-weight:700; } }

  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:44px; padding:0 20px; border-radius:999px; border:1.5px solid transparent;
    font-size:15px; font-weight:600; cursor:pointer; white-space:nowrap;
    transition:background-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  }
  @media (min-width:1024px){ .btn{ height:48px; padding:0 24px; } }
  .btn-primary{ background:var(--track); color:#fff; }
  .btn-primary:hover{ background:var(--track-hover); color:#fff; transform:translateY(-1px); box-shadow:0 8px 20px rgba(255,106,43,.24); }
  .btn-primary:active{ transform:translateY(0); box-shadow:none; }
  .btn-outline{ background:transparent; color:var(--field); border-color:var(--field); }
  .btn-outline:hover{ background:var(--field-light); color:var(--field-hover); }
  .btn-ghost{ background:transparent; color:var(--field); padding:0 6px; height:auto; }
  .btn-ghost:hover{ color:var(--field-hover); }
  .btn-ghost .arrow{ transition:transform .2s var(--ease); }
  .btn-ghost:hover .arrow{ transform:translateX(3px); }
  .btn-sm{ height:40px; padding:0 16px; font-size:14px; }

  .burger{
    display:inline-flex; flex-direction:column; align-items:center; justify-content:center; gap:5px;
    width:44px; height:44px; border:1px solid var(--line); border-radius:12px; background:#fff; cursor:pointer;
  }
  @media (min-width:1024px){ .burger{ display:none; } }
  .burger span{ display:block; width:18px; height:2px; background:var(--field); border-radius:2px; }

  .drawer-mask{
    position:fixed; inset:0; background:rgba(16,35,29,.5); opacity:0; pointer-events:none;
    transition:opacity .22s var(--ease); z-index:60;
  }
  .drawer-mask.is-open{ opacity:1; pointer-events:auto; }
  .drawer{
    position:fixed; top:0; right:0; height:100%; width:280px; max-width:88vw; background:#fff;
    transform:translateX(100%); transition:transform .24s var(--ease); z-index:61;
    display:flex; flex-direction:column; padding:20px; gap:8px; overflow-y:auto;
  }
  .drawer.is-open{ transform:translateX(0); }
  .drawer a.drawer-link{
    display:flex; align-items:center; height:48px; padding:0 8px; font-size:15px;
    border-bottom:1px solid var(--line-soft); color:var(--t-main);
  }
  .drawer a.drawer-link.is-active{ color:var(--field); font-weight:700; }
  .drawer-cta{ margin-top:16px; }

  /* ---------- Hero ---------- */
  .hero{ position:relative; overflow:hidden; padding:48px 0 56px; }
  @media (min-width:1024px){ .hero{ padding:72px 0 88px; } }
  .hero-grid-bg{
    position:absolute; inset:0; pointer-events:none; opacity:.5;
    background-image:linear-gradient(to right, rgba(226,232,228,.9) 1px, transparent 1px),
                     linear-gradient(to bottom, rgba(226,232,228,.9) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse at 70% 20%, #000 0%, transparent 72%);
    -webkit-mask-image:radial-gradient(ellipse at 70% 20%, #000 0%, transparent 72%);
  }
  .hero-cut{
    position:absolute; top:-40px; right:-60px; width:220px; height:220px;
    background:var(--field-light); transform:rotate(-32deg); border-radius:24px; opacity:.7; pointer-events:none;
  }
  .hero-cut-2{
    position:absolute; bottom:-70px; left:-50px; width:150px; height:150px;
    background:rgba(255,106,43,.10); transform:rotate(-32deg); border-radius:20px; pointer-events:none;
  }
  .hero-inner{ position:relative; display:grid; gap:40px; align-items:center; }
  @media (min-width:1024px){ .hero-inner{ grid-template-columns:1.05fr .95fr; gap:56px; } }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px; height:30px; padding:0 12px;
    border-radius:999px; background:#fff; border:1px solid var(--line);
    font-size:13px; font-weight:600; color:var(--t-sub);
  }
  h1.hero-title{
    font-size:clamp(30px,5vw,52px); font-weight:800; line-height:1.25; margin-top:20px;
  }
  .hero-sub{ margin-top:18px; font-size:17px; line-height:1.9; color:var(--t-sub); max-width:600px; }
  .hero-actions{ margin-top:28px; display:flex; flex-wrap:wrap; gap:14px; }
  .hero-stats{
    margin-top:36px; display:grid; grid-template-columns:repeat(3,1fr);
    border:1px solid var(--line); border-radius:var(--r-lg); background:#fff; overflow:hidden;
  }
  .hero-stat{ padding:16px 12px; text-align:center; position:relative; }
  .hero-stat + .hero-stat::before{
    content:""; position:absolute; left:0; top:14px; bottom:14px; width:1px; background:var(--line-soft);
  }
  .hero-stat b{ display:block; font-size:22px; font-weight:800; color:var(--t-main); }
  .hero-stat span{ display:block; margin-top:2px; font-size:12.5px; color:var(--t-weak); }
  .hero-media{
    position:relative; border-radius:var(--r-xl); overflow:hidden; box-shadow:var(--card-shadow, 0 2px 4px rgba(16,35,29,.04), 0 12px 32px rgba(16,35,29,.07));
    border:1px solid var(--line); background:var(--field-light); aspect-ratio:3/2;
  }
  .hero-media img{ width:100%; height:100%; object-fit:cover; }
  .hero-media-tag{
    position:absolute; left:16px; bottom:16px; display:inline-flex; align-items:center; gap:8px;
    height:32px; padding:0 12px; border-radius:999px; background:rgba(255,255,255,.94);
    font-size:13px; font-weight:600; color:var(--t-main);
  }

  /* ---------- 通用板块 ---------- */
  .sec-head{ display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:32px; }
  .sec-title{ font-size:clamp(22px,3vw,30px); font-weight:800; line-height:1.3; }
  .sec-desc{ margin-top:10px; font-size:15.5px; color:var(--t-sub); max-width:640px; }

  .card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
    box-shadow:0 1px 2px rgba(16,35,29,.06);
    transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  }
  .card:hover{ transform:translateY(-4px); box-shadow:0 6px 12px rgba(16,35,29,.06), 0 20px 44px rgba(16,35,29,.12); border-color:#D6E0DA; }
  .card-cover{ border-radius:var(--r-md); overflow:hidden; aspect-ratio:16/9; background:var(--field-light); }
  .card-cover img{ width:100%; height:100%; object-fit:cover; transition:transform .24s var(--ease); }
  .card:hover .card-cover img{ transform:scale(1.03); }

  .badge{
    display:inline-flex; align-items:center; gap:6px; height:24px; padding:0 10px;
    border-radius:999px; font-size:12.5px; font-weight:600; white-space:nowrap;
  }
  .badge-green{ background:var(--field-light); color:var(--field); }
  .badge-orange{ background:#FFEDE4; color:var(--track); }
  .badge-gray{ background:#F1F3F1; color:var(--t-sub); }

  /* ---------- 理念/故事 ---------- */
  .story-grid{ display:grid; gap:40px; align-items:center; }
  @media (min-width:1024px){ .story-grid{ grid-template-columns:.95fr 1.05fr; gap:64px; } }
  .story-media{ border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--line); aspect-ratio:4/3; background:var(--field-light); }
  .story-media img{ width:100%; height:100%; object-fit:cover; }
  .timeline{ margin-top:28px; position:relative; padding-left:26px; }
  .timeline::before{ content:""; position:absolute; left:5px; top:8px; bottom:8px; width:1.5px; background:var(--line); }
  .tl-item{ position:relative; padding-bottom:20px; }
  .tl-item:last-child{ padding-bottom:0; }
  .tl-item::before{
    content:""; position:absolute; left:-26px; top:7px; width:11px; height:11px; border-radius:50%;
    background:#fff; border:2.5px solid var(--field);
  }
  .tl-item b{ display:block; font-size:16px; font-weight:700; }
  .tl-item p{ margin-top:4px; font-size:15px; color:var(--t-sub); line-height:1.8; }

  /* ---------- bento ---------- */
  .bento{ display:grid; gap:24px; }
  @media (min-width:1024px){ .bento{ grid-template-columns:repeat(12,1fr); } }
  .bento-big{ display:flex; flex-direction:column; padding:20px; }
  @media (min-width:1024px){ .bento-big{ grid-column:span 7; grid-row:span 2; } }
  .bento-small{ padding:20px; }
  @media (min-width:1024px){ .bento-small{ grid-column:span 5; } }
  .bento-dark{ background:var(--ink); border-color:var(--ink); color:#F4FAF7; }
  .bento-dark:hover{ border-color:#20463A; }
  .bento-dark .bento-p{ color:rgba(244,250,247,.7); }
  .bento-p{ margin-top:10px; font-size:15px; color:var(--t-sub); line-height:1.8; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

  /* ---------- CMS 列表 ---------- */
  .news-layout{ display:grid; gap:28px; }
  @media (min-width:1024px){ .news-layout{ grid-template-columns:1fr 1fr; gap:32px; } }
  .news-lead{ display:block; }
  .news-lead .card-cover{ aspect-ratio:16/9; }
  .news-row{
    display:flex; align-items:center; gap:18px; padding:18px 12px; border-radius:var(--r-md);
    border-bottom:1px solid var(--line-soft); transition:background-color .2s var(--ease);
  }
  .news-row:last-child{ border-bottom:0; }
  .news-row:hover{ background:#F1F6F3; }
  .news-row:hover .row-arrow{ transform:translateX(2px); }
  .row-arrow{ transition:transform .2s var(--ease); color:var(--field); flex-shrink:0; }
  .row-title{ font-size:16.5px; font-weight:700; line-height:1.5; display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden; }
  .row-sum{ margin-top:4px; font-size:14px; color:var(--t-weak); display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden; }
  .empty-card{
    border:1.5px dashed var(--line); border-radius:var(--r-lg); background:#fff;
    padding:40px 24px; text-align:center; color:var(--t-weak); font-size:15px;
  }

  /* ---------- 信任背书 ---------- */
  .trust-band{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden; grid-template-columns:repeat(2,1fr); }
  @media (min-width:768px){ .trust-band{ grid-template-columns:repeat(4,1fr); } }
  .trust-cell{ background:#fff; padding:24px 16px; text-align:center; }
  .trust-cell b{ display:block; font-size:26px; font-weight:800; color:var(--field); }
  .trust-cell span{ display:block; margin-top:6px; font-size:13.5px; color:var(--t-sub); }
  .logo-wall{ margin-top:28px; display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
  @media (min-width:640px){ .logo-wall{ grid-template-columns:repeat(3,1fr); } }
  @media (min-width:1024px){ .logo-wall{ grid-template-columns:repeat(6,1fr); } }
  .logo-chip{
    height:64px; border:1px solid var(--line); border-radius:var(--r-md); background:#fff;
    display:flex; align-items:center; justify-content:center; gap:8px;
    font-size:13px; font-weight:600; color:var(--t-weak);
    filter:grayscale(1); opacity:.78; transition:filter .22s var(--ease), opacity .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
  }
  .logo-chip:hover{ filter:grayscale(0); opacity:1; color:var(--field); border-color:#CDE7DC; }

  /* ---------- FAQ ---------- */
  .faq-wrap{ max-width:800px; margin:0 auto; }
  .faq-item{ border:1px solid var(--line); border-radius:var(--r-md); background:#fff; margin-bottom:14px; overflow:hidden; }
  .faq-q{
    width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
    min-height:60px; padding:16px 20px; background:transparent; border:0; cursor:pointer; text-align:left;
  }
  .faq-q h3{ font-size:17px; font-weight:700; line-height:1.6; }
  .faq-icon{
    position:relative; width:20px; height:20px; flex-shrink:0; transition:transform .22s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:""; position:absolute; background:var(--field); border-radius:2px;
  }
  .faq-icon::before{ left:0; right:0; top:9px; height:2px; }
  .faq-icon::after{ top:0; bottom:0; left:9px; width:2px; transition:opacity .22s var(--ease); }
  .faq-item.is-open .faq-icon{ transform:rotate(45deg); }
  .faq-item.is-open .faq-icon::after{ opacity:0; }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height .24s var(--ease); }
  .faq-a-inner{ padding:0 20px 20px 20px; border-left:3px solid var(--field); margin-left:20px; padding-right:20px; }
  .faq-a-inner p{ font-size:15.5px; color:var(--t-sub); line-height:1.95; }

  /* ---------- 订阅 ---------- */
  .cta-panel{
    background:var(--ink); border-radius:var(--r-xl); padding:36px 24px; color:#F4FAF7;
    display:grid; gap:28px; position:relative; overflow:hidden;
  }
  @media (min-width:1024px){ .cta-panel{ grid-template-columns:1.1fr 1fr; padding:48px 48px; gap:48px; align-items:center; } }
  .cta-panel::after{
    content:""; position:absolute; right:-60px; top:-60px; width:200px; height:200px;
    background:rgba(203,242,74,.10); transform:rotate(-32deg); border-radius:24px; pointer-events:none;
  }
  .cta-panel h2{ font-size:clamp(22px,3vw,30px); font-weight:800; color:#fff; }
  .cta-panel p{ margin-top:12px; font-size:15.5px; color:rgba(244,250,247,.72); line-height:1.9; }
  .field-input{
    width:100%; height:48px; padding:0 16px; border-radius:var(--r-md);
    background:#fff; border:1px solid var(--line); color:var(--t-main); font-size:15px;
    transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .field-input::placeholder{ color:var(--t-weak); }
  .field-input:focus{ outline:none; border-color:var(--field); box-shadow:0 0 0 2px rgba(15,157,108,.35); }
  .field-input.is-error{ border-color:var(--danger); box-shadow:0 0 0 2px rgba(214,69,59,.16); }
  .field-hint{ margin-top:8px; font-size:13px; color:var(--t-weak); }
  .field-hint.is-error{ color:var(--danger); }
  .form-row{ display:grid; gap:12px; }
  @media (min-width:640px){ .form-row{ grid-template-columns:1fr auto; align-items:start; } }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--ink); color:rgba(244,250,247,.82); margin-top:0; }
  .footer-grid{ display:grid; gap:32px; padding:56px 0 32px; grid-template-columns:1fr; }
  @media (min-width:768px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.2fr; padding:64px 0 40px; } }
  .footer-brand{ display:flex; align-items:center; gap:10px; color:#fff; font-size:18px; font-weight:800; }
  .footer-brand .brand-mark{ width:30px; height:30px; border-radius:9px; }
  .footer-desc{ margin-top:16px; font-size:14px; line-height:1.9; color:rgba(244,250,247,.62); max-width:320px; }
  .footer-col h4{ font-size:14px; font-weight:600; color:#fff; margin-bottom:16px; }
  .footer-col a{ display:block; font-size:14px; color:rgba(244,250,247,.66); padding:5px 0; }
  .footer-col a:hover{ color:var(--field); }
  .footer-qr{
    width:96px; height:96px; border-radius:var(--r-md); background:rgba(244,250,247,.08);
    display:flex; align-items:center; justify-content:center; font-size:12px; color:rgba(244,250,247,.5);
    text-align:center; padding:8px; margin-top:12px;
  }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08); padding:20px 0 28px; text-align:center;
    font-size:13px; color:rgba(244,250,247,.5); line-height:2;
  }
  .footer-bottom a{ color:rgba(244,250,247,.6); }
  .footer-bottom a:hover{ color:var(--field); }

  .skeleton{
    background:linear-gradient(90deg,#EEF1EE 25%,#F6F8F6 37%,#EEF1EE 63%);
    background-size:400% 100%; animation:shimmer 1.4s ease infinite; border-radius:8px;
  }
  @keyframes shimmer{ 0%{ background-position:100% 0; } 100%{ background-position:0 0; } }

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

  .mobile-bar{
    position:fixed; left:0; right:0; bottom:0; z-index:45; height:56px;
    background:rgba(255,255,255,.96); border-top:1px solid var(--line);
    display:flex; align-items:center; justify-content:space-between; gap:12px;
    padding:0 16px calc(env(safe-area-inset-bottom, 0px));
  }
  @media (min-width:768px){ .mobile-bar{ display:none; } }
  .mobile-bar span{ font-size:13.5px; color:var(--t-sub); }
  body{ padding-bottom:56px; }
  @media (min-width:768px){ body{ padding-bottom:0; } }

/* roulang page: article */
:root{
    --pitch:#0F9D6C; --pitch-hover:#0B8558; --pitch-active:#096B47;
    --pitch-soft:#E8F6F0; --pitch-soft2:#DCF2E8;
    --orange:#FF6A2B; --orange-hover:#EA5514;
    --lime:#CBF24A;
    --deep:#10231D; --deep2:#1A322A; --reverse:#F4FAF7;
    --paper:#F7F7F2; --card:#FFFFFF; --line:#E2E8E4; --split:#EDF1EE;
    --ink:#132019; --ink-soft:#4A5A54; --ink-mute:#7C8B84;
    --danger:#D6453B; --info:#4A6C8C;
    --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
    --sh-card:0 1px 2px rgba(16,35,29,.06);
    --sh-raise:0 2px 4px rgba(16,35,29,.04), 0 12px 32px rgba(16,35,29,.07);
    --sh-lift:0 6px 12px rgba(16,35,29,.06), 0 20px 44px rgba(16,35,29,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:17px;line-height:1.9;letter-spacing:.01em;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
  a:hover{color:var(--pitch)}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--pitch);outline-offset:2px;border-radius:4px}
  .shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .mono{font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;letter-spacing:.03em}

  /* 导航 */
  .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,35,29,.07)}
  .header-inner{display:flex;align-items:center;gap:20px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--pitch),var(--pitch-active));overflow:hidden;flex:none}
  .brand-mark::before{content:"";position:absolute;inset:0;background:linear-gradient(118deg,transparent 44%,rgba(255,255,255,.78) 46%,transparent 54%)}
  .brand-mark::after{content:"";position:absolute;right:5px;bottom:6px;width:10px;height:10px;border:2px solid rgba(255,255,255,.85);border-radius:3px}
  .brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em}
  .nav-links{display:flex;align-items:center;gap:22px}
  .nav-link{position:relative;font-size:14.5px;color:var(--ink-soft);letter-spacing:.02em;padding:4px 0;display:inline-block}
  .nav-link:hover{color:var(--pitch)}
  .nav-link.is-active{color:var(--pitch);font-weight:600}
  .nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--pitch)}
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
  .status-pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;color:var(--pitch);background:var(--pitch-soft);border-radius:var(--r-pill);padding:5px 11px;white-space:nowrap}
  .status-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--pitch);animation:breath 1.8s var(--ease) infinite}
  @keyframes breath{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.78)}}
  .countdown{font-family:"DIN Alternate",ui-monospace,monospace;font-variant-numeric:tabular-nums;font-size:13px;color:var(--orange);letter-spacing:.04em;white-space:nowrap}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease)}
  .btn-primary{background:var(--orange);color:#fff}
  .btn-primary:hover{background:var(--orange-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-raise)}
  .btn-primary:active{transform:translateY(0);background:var(--orange-hover)}
  .btn-outline{border-color:var(--pitch);color:var(--pitch);background:transparent;height:46px}
  .btn-outline:hover{background:var(--pitch-soft);color:var(--pitch-hover)}
  .btn-quiet{background:transparent;color:var(--pitch);padding:0;height:auto;font-size:14.5px}
  .btn-quiet:hover{color:var(--pitch-hover)}
  .btn-quiet .arrow{transition:transform .2s var(--ease);display:inline-block}
  .btn-quiet:hover .arrow{transform:translateX(3px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}

  .burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
  .burger span{display:block;width:18px;height:2px;background:var(--pitch);border-radius:2px}

  .drawer-mask{position:fixed;inset:0;background:rgba(16,35,29,.5);opacity:0;pointer-events:none;transition:opacity .22s var(--ease);z-index:55}
  .drawer-mask.is-open{opacity:1;pointer-events:auto}
  .drawer{position:fixed;top:0;right:0;height:100%;width:280px;background:#fff;z-index:60;transform:translateX(100%);transition:transform .22s var(--ease);padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto}
  .drawer.is-open{transform:translateX(0)}
  .drawer-title{font-size:14px;font-weight:600;color:var(--ink-mute);letter-spacing:.06em}
  .drawer-link{display:flex;align-items:center;height:48px;font-size:15.5px;color:var(--ink-soft);border-bottom:1px solid var(--split)}
  .drawer-link.is-active{color:var(--pitch);font-weight:600}

  /* 面包屑与文章头 */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-mute);margin:28px 0 20px}
  .breadcrumb a{color:var(--ink-mute)}
  .breadcrumb a:hover{color:var(--pitch)}
  .breadcrumb .sep{color:#B9C6BF}
  .breadcrumb .current{color:var(--ink-soft);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  .article-head{padding-bottom:28px;border-bottom:1px solid var(--line)}
  .article-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--pitch);background:var(--pitch-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:16px}
  .article-title{font-size:clamp(28px,4vw,44px);line-height:1.3;font-weight:800;letter-spacing:-.01em;min-height:1.3em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:16px;font-size:13.5px;color:var(--ink-mute);min-height:24px}
  .article-meta .chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--pitch-soft2);color:var(--pitch-active);font-size:12.5px;font-weight:600}
  .article-meta .back-cat{margin-left:auto;color:var(--pitch);font-weight:600}
  .article-meta .back-cat:hover{color:var(--pitch-hover)}

  /* 布局 */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:44px 0 80px}
  .article-main{max-width:760px;width:100%}

  /* 正文排版 */
  .article-prose{font-size:17.5px;line-height:1.92;color:#22322B}
  .article-prose p{margin-bottom:1.4em}
  .article-prose > p:first-of-type{font-size:18px;background:#EEF4F0;border-left:3px solid var(--pitch);border-radius:var(--r-md);padding:18px 22px;margin-bottom:1.6em}
  .article-prose h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);margin:2em 0 .8em;padding-left:16px;border-left:4px solid var(--pitch);border-radius:2px}
  .article-prose h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--ink);margin:1.7em 0 .6em}
  .article-prose h4{font-size:17.5px;font-weight:700;margin:1.4em 0 .5em}
  .article-prose ul{margin:0 0 1.4em;padding-left:2px}
  .article-prose ul li{position:relative;padding-left:22px;margin-bottom:.6em}
  .article-prose ul li::before{content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--pitch)}
  .article-prose ol{counter-reset:pg;margin:0 0 1.4em}
  .article-prose ol li{position:relative;counter-increment:pg;padding-left:38px;margin-bottom:.7em}
  .article-prose ol li::before{content:counter(pg);position:absolute;left:0;top:.35em;width:24px;height:24px;border-radius:50%;background:var(--pitch-soft2);color:var(--pitch-active);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:"DIN Alternate",ui-monospace,monospace}
  .article-prose blockquote{margin:1.6em 0;background:#FAF8F0;border-left:4px solid var(--orange);border-radius:var(--r-md);padding:18px 22px;color:var(--ink-soft)}
  .article-prose blockquote p:last-child{margin-bottom:0}
  .article-prose img{border-radius:var(--r-lg);margin:1.6em auto;box-shadow:var(--sh-card)}
  .article-prose figure{margin:1.6em 0}
  .article-prose figcaption{font-size:13px;color:var(--ink-mute);text-align:center;margin-top:10px}
  .article-prose a{color:var(--pitch);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
  .article-prose a:hover{color:var(--pitch-hover)}
  .article-prose strong{font-weight:700;color:var(--ink)}
  .article-prose hr{border:0;border-top:1px solid var(--split);margin:2.2em 0}
  .article-prose table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.6em 0;border-radius:var(--r-md);overflow:hidden;box-shadow:0 0 0 1px var(--line)}
  .article-prose thead th{background:var(--pitch-soft);color:var(--pitch-active);font-weight:600;text-align:left;padding:12px 16px;font-size:14.5px}
  .article-prose tbody td{padding:12px 16px;border-top:1px solid var(--split);color:var(--ink-soft)}
  .article-prose tbody tr:nth-child(even){background:#F6FBF9}
  .article-prose .tip-card{display:flex;gap:12px;border-radius:var(--r-md);padding:16px 18px;margin:1.4em 0;font-size:15.5px;background:var(--pitch-soft);color:#20463A}
  .article-prose .tip-card.is-note{background:#FFF3EC;color:#7A3A18}

  /* 文章尾部 */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:44px 0 24px}
  .tag-row .label{font-size:13px;color:var(--ink-mute)}
  .tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-soft);transition:all .2s var(--ease)}
  .tag:hover{border-color:var(--pitch);color:var(--pitch);background:var(--pitch-soft)}
  .tail-divider{height:1px;background:var(--line);margin:0 0 32px}

  .section-title{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:20px}
  .rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
  .rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
  .rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-raise);color:inherit}
  .rel-card h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.5}
  .rel-card p{font-size:14px;color:var(--ink-mute);line-height:1.75;margin-bottom:12px}
  .rel-card .more{font-size:13.5px;font-weight:600;color:var(--pitch)}
  .rel-card .more .arrow{display:inline-block;transition:transform .2s var(--ease)}
  .rel-card:hover .more .arrow{transform:translateX(3px)}

  .tail-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:36px}

  /* 侧栏 */
  .article-side{display:flex;flex-direction:column;gap:20px}
  .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-card)}
  .side-title{font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
  .side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--pitch)}
  .toc-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow-y:auto}
  .toc-list a{display:block;font-size:14px;color:var(--ink-soft);padding:7px 10px;border-radius:var(--r-sm);border-left:2px solid transparent;line-height:1.6}
  .toc-list a:hover{background:var(--pitch-soft);color:var(--pitch-active);border-left-color:var(--pitch)}
  .toc-empty{font-size:13.5px;color:var(--ink-mute);padding:6px 2px}
  .side-cta{background:var(--deep);border-radius:var(--r-lg);padding:22px;color:var(--reverse)}
  .side-cta h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
  .side-cta p{font-size:13.5px;line-height:1.8;color:rgba(244,250,247,.72);margin-bottom:16px}
  .side-cta .btn{width:100%;height:44px;background:transparent;border-color:rgba(244,250,247,.5);color:#fff;font-size:14px}
  .side-cta .btn:hover{background:var(--pitch);border-color:var(--pitch);color:#fff;transform:translateY(-1px)}
  .side-links{display:flex;flex-direction:column;gap:2px}
  .side-links a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-soft);padding:9px 8px;border-radius:var(--r-sm);line-height:1.6;transition:background-color .2s var(--ease),color .2s var(--ease)}
  .side-links a:hover{background:var(--pitch-soft);color:var(--pitch-active)}
  .side-links .idx{font-family:"DIN Alternate",ui-monospace,monospace;font-size:12px;font-weight:700;color:var(--pitch);flex:none;padding-top:2px}

  /* 空态 */
  .empty-state{border:1px dashed #C9D6CF;border-radius:var(--r-lg);padding:56px 28px;text-align:center;background:#fff}
  .empty-state .ico{width:52px;height:52px;margin:0 auto 18px;border-radius:var(--r-md);background:var(--pitch-soft);display:flex;align-items:center;justify-content:center;color:var(--pitch);font-size:24px}
  .empty-state h2{font-size:20px;font-weight:700;margin-bottom:8px}
  .empty-state p{font-size:14.5px;color:var(--ink-mute);margin-bottom:22px}

  /* 页脚 */
  .site-footer{background:var(--deep);color:var(--reverse);padding:72px 0 28px;margin-top:24px}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(244,250,247,.66);max-width:340px}
  .footer-qr{width:96px;height:96px;border-radius:var(--r-md);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.5;color:rgba(244,250,247,.6);margin-top:20px}
  .footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
  .footer-col a{display:block;font-size:14px;color:rgba(244,250,247,.66);margin-bottom:11px}
  .footer-col a:hover{color:var(--pitch)}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding-top:22px;font-size:12.5px;color:rgba(244,250,247,.5)}

  .back-top{position:fixed;right:24px;bottom:88px;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--pitch);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-raise);opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);z-index:40}
  .back-top.is-show{opacity:1;pointer-events:auto}
  .back-top:hover{transform:translateY(-3px)}

  .mobile-bar{display:none}
  .skip-link{position:absolute;left:-9999px}
  .skip-link:focus{left:16px;top:12px;background:#fff;padding:8px 14px;border-radius:var(--r-sm);z-index:80;border:1px solid var(--line)}

  @media (max-width:1023px){
    .nav-links{display:none}
    .countdown{display:none}
    .burger{display:flex}
    .header-inner{height:64px}
    .article-layout{padding:32px 0 64px;gap:36px}
    .rel-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:767px){
    body{font-size:16.5px}
    .shell{padding:0 18px}
    .header-actions .status-pill{display:none}
    .article-prose h2{font-size:23px}
    .article-prose h3{font-size:18.5px}
    .article-prose{font-size:16.8px}
    .rel-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;gap:8px}
    .article-meta .back-cat{margin-left:0;width:100%}
    .mobile-bar{display:flex;align-items:center;gap:12px;justify-content:space-between;position:fixed;left:0;right:0;bottom:0;height:56px;padding:0 16px calc(env(safe-area-inset-bottom));background:rgba(16,35,29,.96);z-index:45}
    .mobile-bar span{font-size:13px;color:rgba(244,250,247,.78)}
    .mobile-bar .btn{height:38px;padding:0 16px;font-size:13.5px}
    .back-top{bottom:76px;right:16px;width:42px;height:42px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
  }

/* roulang page: category1 */
:root{
    --brand:#0F9D6C;
    --brand-hover:#0B8558;
    --brand-active:#096B47;
    --brand-soft:#E8F6F0;
    --brand-soft2:#DCF2E8;
    --accent:#FF6A2B;
    --accent-hover:#EA5514;
    --deep:#10231D;
    --deep-2:#1A322A;
    --bg:#F7F7F2;
    --card:#FFFFFF;
    --line:#E2E8E4;
    --line-soft:#EDF1EE;
    --ink:#132019;
    --ink-2:#4A5A54;
    --ink-3:#7C8B84;
    --err:#D6453B;
    --r-sm:8px;
    --r-md:12px;
    --r-lg:16px;
    --r-xl:24px;
    --sh-1:0 1px 2px rgba(16,35,29,.06);
    --sh-2:0 2px 4px rgba(16,35,29,.04), 0 12px 32px rgba(16,35,29,.07);
    --sh-3:0 6px 12px rgba(16,35,29,.06), 0 20px 44px rgba(16,35,29,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    --mono:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font);
    font-size:17px;
    line-height:1.9;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
  a:hover{color:var(--brand)}
  button{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:0}
  p{margin:0}
  ol,ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  ::selection{background:var(--brand-soft2);color:var(--brand-active)}

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

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--sh-1)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{
    position:relative;width:34px;height:34px;border-radius:10px;flex:none;overflow:hidden;
    background:linear-gradient(135deg,#13A976 0%,#096B47 100%);
  }
  .brand-mark::before{
    content:"";position:absolute;inset:-20% -12%;
    background:repeating-linear-gradient(115deg,rgba(255,255,255,.9) 0 2px,transparent 2px 8px);
    opacity:.5;
  }
  .brand-mark::after{
    content:"";position:absolute;right:6px;top:6px;width:8px;height:8px;border-radius:3px;background:var(--accent);
  }
  .brand-text{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;color:var(--ink-2);letter-spacing:.02em;padding:8px 0;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;border-radius:2px;
    background:var(--brand);transition:right .2s var(--ease);
  }
  .nav-link:hover{color:var(--brand)}
  .nav-link.is-active{color:var(--brand);font-weight:600}
  .nav-link.is-active::after{right:0}
  .nav-side{display:flex;align-items:center;gap:12px}
  .status-pill{
    display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand-active);
    font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;white-space:nowrap;
  }
  .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 1.8s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.42;transform:scale(.8)}}
  .nav-count{
    font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--accent);
    font-variant-numeric:tabular-nums;letter-spacing:.04em;white-space:nowrap;
  }
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);
    align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
  }
  .nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand);transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .drawer-mask{
    position:fixed;inset:0;z-index:60;background:rgba(16,35,29,.5);
    opacity:0;pointer-events:none;transition:opacity .22s var(--ease);
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto}
  .nav-drawer{
    position:fixed;top:0;right:0;z-index:70;width:280px;height:100%;
    background:#fff;box-shadow:var(--sh-3);padding:22px 20px;
    transform:translateX(100%);transition:transform .24s var(--ease);
    display:flex;flex-direction:column;gap:18px;
  }
  .nav-drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;
    display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2);
  }
  .drawer-links{display:flex;flex-direction:column}
  .drawer-links a{
    display:flex;align-items:center;justify-content:space-between;height:48px;
    border-bottom:1px solid var(--line-soft);font-size:15px;color:var(--ink-2);
  }
  .drawer-links a.is-active{color:var(--brand);font-weight:600}
  .drawer-links a::after{content:"›";color:var(--ink-3)}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:999px;border:1.5px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-primary{background:var(--accent);color:#fff}
  .btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.24)}
  .btn-primary:active{transform:translateY(0);box-shadow:none}
  .btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
  .btn-outline:hover{background:var(--brand-soft);color:var(--brand-active);transform:translateY(-1px)}
  .btn-ghost{height:auto;padding:0;color:var(--brand);background:transparent}
  .btn-ghost .arrow{display:inline-block;transition:transform .18s var(--ease)}
  .btn-ghost:hover .arrow{transform:translateX(3px)}
  .btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

  /* ---------- hero ---------- */
  .hero-band{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#EEF6F1 0%,#F7F7F2 100%)}
  .hero-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
    background-image:linear-gradient(to right,rgba(226,232,228,.9) 1px,transparent 1px),
                     linear-gradient(to bottom,rgba(226,232,228,.9) 1px,transparent 1px);
    background-size:36px 36px;
    -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
    mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
  }
  .hero-band::after{
    content:"";position:absolute;right:-60px;top:-40px;width:220px;height:220px;
    background:var(--brand-soft2);opacity:.6;
    clip-path:polygon(100% 0,100% 100%,0 0);
  }
  .hero-inner{position:relative;z-index:1;padding:40px 0 52px;max-width:880px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px}
  .breadcrumb a{color:var(--ink-3)}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{color:#C3CCC6}
  .breadcrumb em{font-style:normal;color:var(--ink-2)}
  .hero-title{font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.28;color:var(--ink)}
  .hero-sub{margin-top:16px;font-size:17.5px;line-height:1.85;color:var(--ink-2);max-width:660px}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
    padding:5px 12px;border-radius:999px;white-space:nowrap;
  }
  .badge-green{background:var(--brand-soft);color:var(--brand-active)}
  .badge-amber{background:var(--accent-soft);color:#B4470F}
  .badge-gray{background:#EEF1EF;color:var(--ink-2)}

  /* ---------- sections ---------- */
  .section{padding:96px 0}
  @media (max-width:1023px){.section{padding:72px 0}}
  @media (max-width:767px){.section{padding:56px 0}}
  .section-head{max-width:760px;margin-bottom:36px}
  .eyebrow{
    display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.08em;
    color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px;
  }
  .section-title{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.34;color:var(--ink)}
  .section-lede{margin-top:14px;font-size:16.5px;line-height:1.88;color:var(--ink-2);max-width:680px}

  /* ---------- timeline steps ---------- */
  .timeline{position:relative}
  .step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:18px;padding-bottom:30px}
  .step::before{
    content:"";position:absolute;left:27px;top:58px;bottom:0;width:2px;border-radius:2px;
    background:linear-gradient(180deg,var(--brand-soft2),var(--line-soft));
  }
  .step:last-child{padding-bottom:0}
  .step:last-child::before{display:none}
  .step-num{
    position:relative;z-index:1;width:56px;height:56px;border-radius:18px;background:#fff;
    border:1px solid var(--line);box-shadow:var(--sh-1);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--mono);font-size:18px;font-weight:700;color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
  .step-body{padding-top:6px}
  .step-body h3{font-size:20px;font-weight:700;color:var(--ink)}
  .step-body p{margin-top:8px;font-size:16px;line-height:1.88;color:var(--ink-2);max-width:640px}
  .step-tip{
    display:inline-flex;align-items:flex-start;gap:8px;margin-top:12px;
    font-size:13.5px;line-height:1.75;color:var(--ink-3);
    background:#FBFBF8;border:1px solid var(--line-soft);border-radius:var(--r-md);padding:8px 12px;
  }
  .step-tip b{color:var(--brand-deep,#096B47);font-weight:600}

  /* ---------- sticky card ---------- */
  .sticky-card{
    position:sticky;top:96px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh-2);
  }
  .sticky-card h3{font-size:18px;font-weight:700;margin-bottom:16px}
  .check-list li{
    display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--ink-2);
    padding:11px 0;border-bottom:1px dashed var(--line);
  }
  .check-list li:last-child{border-bottom:0}
  .check-list .ico{
    flex:none;width:20px;height:20px;margin-top:4px;border-radius:50%;
    background:var(--brand-soft);color:var(--brand-active);
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  }
  .sticky-note{margin-top:16px;font-size:13px;line-height:1.8;color:var(--ink-3)}

  /* ---------- cards ---------- */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
  .card h3{font-size:19px;font-weight:700;margin-bottom:14px}
  .plain-list li{
    display:flex;gap:10px;font-size:16px;line-height:1.85;color:var(--ink-2);padding:9px 0;
  }
  .plain-list .ico{
    flex:none;width:22px;height:22px;margin-top:5px;border-radius:50%;
    background:var(--brand-soft);color:var(--brand-active);
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  }
  .warn-card{
    background:#FFF6F0;border:1.5px solid #F6C4A8;border-radius:var(--r-lg);padding:26px;
  }
  .warn-card h3{font-size:19px;font-weight:700;color:#B4470F;margin-bottom:14px}
  .warn-list li{
    display:flex;gap:10px;font-size:15.5px;line-height:1.8;color:#8A4A28;padding:9px 0;
  }
  .warn-list .ico{
    flex:none;width:20px;height:20px;margin-top:5px;border-radius:6px;
    background:#FFE3D3;color:#B4470F;
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  }

  /* ---------- faq ---------- */
  .faq{max-width:800px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .faq-item.is-open{border-color:#BFE6D5;box-shadow:var(--sh-1)}
  .faq-q{
    width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:transparent;border:0;text-align:left;cursor:pointer;
    padding:18px 20px;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
    transition:color .18s var(--ease);
  }
  .faq-q:hover{color:var(--brand)}
  .faq-icon{position:relative;flex:none;width:20px;height:20px;transition:transform .22s var(--ease)}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
  .faq-icon::before{left:0;top:9px;width:20px;height:2px}
  .faq-icon::after{left:9px;top:0;width:2px;height:20px}
  .faq-item.is-open .faq-icon{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
  .faq-a-inner{
    margin:0 20px 20px;padding-left:16px;border-left:3px solid var(--brand);
    font-size:16px;line-height:1.92;color:var(--ink-2);
  }

  /* ---------- related ---------- */
  .related-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
  .related-card{
    display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-lg);padding:20px;overflow:hidden;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#CFE8DC;color:inherit}
  .related-thumb{flex:none;width:168px;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:#EDF1EE}
  .related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
  .related-card:hover .related-thumb img{transform:scale(1.03)}
  .related-body h3{font-size:19px;font-weight:700;margin:8px 0}
  .related-body p{font-size:15px;line-height:1.8;color:var(--ink-2)}
  .related-more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;font-weight:600;color:var(--brand)}
  .related-card:hover .related-more .arrow{transform:translateX(3px)}
  .related-more .arrow{transition:transform .18s var(--ease)}

  /* ---------- cta band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--deep);
    padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:#F4FAF7;
  }
  .cta-bg{
    position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;opacity:.22;
  }
  .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;width:100%}
  .cta-band h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:#F4FAF7}
  .cta-band p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(244,250,247,.72);max-width:560px}

  /* ---------- footer ---------- */
  .site-footer{background:var(--deep);color:#F4FAF7;padding:64px 0 28px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#F4FAF7;margin-bottom:14px}
  .footer-desc{font-size:14px;line-height:1.9;color:rgba(244,250,247,.62);max-width:330px;margin-bottom:18px}
  .footer-qr{
    width:96px;height:96px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.14);
    background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;
    text-align:center;font-size:12px;line-height:1.5;color:rgba(244,250,247,.5);
  }
  .footer-col h4{font-size:14px;font-weight:600;color:#F4FAF7;margin-bottom:14px}
  .footer-col a{display:block;font-size:14px;line-height:1.7;color:rgba(244,250,247,.62);padding:6px 0}
  .footer-col a:hover{color:var(--brand)}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
    font-size:12.5px;color:rgba(244,250,247,.5);
  }

  /* ---------- mobile bar ---------- */
  .mobile-bar{
    display:none;position:fixed;left:0;right:0;bottom:0;z-index:45;
    background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    align-items:center;justify-content:space-between;gap:12px;
  }
  .mobile-bar span{font-size:13px;color:var(--ink-2);line-height:1.5}

  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-toggle{display:flex}
    .status-pill{display:none}
    .nav-side .btn{display:none}
    .nav-count{font-size:12px}
    .sticky-card{position:static}
    .related-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:767px){
    .hero-inner{padding:32px 0 44px}
    .step{grid-template-columns:44px 1fr;gap:14px}
    .step-num{width:44px;height:44px;border-radius:14px;font-size:16px}
    .step::before{left:21px;top:48px}
    .related-card{flex-direction:column;align-items:flex-start;gap:16px}
    .related-thumb{width:100%}
    .cta-band{padding:32px 24px}
    .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
    .mobile-bar{display:flex}
    body{padding-bottom:64px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column}
  }
  @media (max-width:520px){
    .nav-count{display:none}
    .brand-text{font-size:17px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category2 */
:root{
  --brand:#0F9D6C; --brand-hover:#0B8558; --brand-active:#096B47;
  --brand-50:#E8F6F0; --brand-100:#DCF2E8;
  --accent:#FF6A2B; --accent-hover:#EA5514;
  --lime:#CBF24A;
  --ink:#132019; --ink-2:#4A5A54; --ink-3:#7C8B84;
  --bg:#F7F7F2; --card:#FFFFFF;
  --line:#E2E8E4; --divider:#EDF1EE;
  --dark:#10231D; --dark-lift:#1A322A; --on-dark:#F4FAF7;
  --err:#D6453B;
  --r-sm:8px; --r:12px; --r-lg:16px; --r-xl:24px;
  --shadow-1:0 1px 2px rgba(16,35,29,.06);
  --shadow-2:0 2px 4px rgba(16,35,29,.04),0 12px 32px rgba(16,35,29,.07);
  --shadow-3:0 6px 12px rgba(16,35,29,.06),0 20px 44px rgba(16,35,29,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.88;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1024px){.shell{padding:0 32px}}
.num{font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.no-scroll{overflow:hidden}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(16,35,29,.07)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  position:relative;overflow:hidden;display:inline-block;flex:0 0 auto;
  box-shadow:0 1px 2px rgba(16,35,29,.12);
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,transparent 36%,rgba(255,255,255,.6) 36%,rgba(255,255,255,.6) 46%,transparent 46%),
    linear-gradient(115deg,transparent 60%,rgba(203,242,74,.9) 60%,rgba(203,242,74,.9) 68%,transparent 68%),
    linear-gradient(115deg,transparent 78%,rgba(255,255,255,.35) 78%,rgba(255,255,255,.35) 84%,transparent 84%);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;white-space:nowrap;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  letter-spacing:.02em;padding:6px 2px;transition:color .18s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-side{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-50);border-radius:999px;padding:7px 13px;white-space:nowrap;
}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
  animation:pulse 1.8s var(--ease) infinite;flex:0 0 auto;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.mini-count{font-size:13px;font-weight:700;color:var(--accent);white-space:nowrap}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r);border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:background-color .18s var(--ease);
}
.menu-toggle:hover{background:var(--brand-50)}
.menu-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-3)}
.btn-primary:active{transform:translateY(0);background:var(--accent-hover)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-50)}
.btn-outline:active{background:var(--brand-100)}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-light:hover{background:rgba(255,255,255,.14)}
.btn-light:active{background:rgba(255,255,255,.2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.ghost-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);
  min-height:44px;
}
.ghost-link .arrow{display:inline-block;transition:transform .18s var(--ease)}
.ghost-link:hover .arrow{transform:translateX(3px)}
.ghost-link:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--dark);color:var(--on-dark)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,35,29,.90) 0%,rgba(16,35,29,.80) 62%,rgba(16,35,29,.88) 100%);
}
.hero-inner{position:relative;z-index:2;padding:40px 0 56px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(244,250,247,.7);flex-wrap:wrap}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(244,250,247,.4)}
.hero-grid{display:grid;gap:28px;margin-top:22px}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.65fr) minmax(0,.85fr);align-items:start}}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.3;font-weight:800;
  letter-spacing:.01em;margin-bottom:16px;max-width:760px;
}
.hero-sub{
  font-size:17px;line-height:1.85;color:rgba(244,250,247,.82);
  max-width:620px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
@media (min-width:1024px){.hero-badges{justify-content:flex-end}}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:6px 13px;font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-live{background:rgba(203,242,74,.16);color:var(--lime);border:1px solid rgba(203,242,74,.42)}
.badge-live .dot{background:var(--lime)}
.badge-soon{background:rgba(255,106,43,.16);color:#FFB694;border:1px solid rgba(255,106,43,.4)}
.badge-soon .dot{background:var(--accent)}
.badge-arch{background:rgba(244,250,247,.12);color:rgba(244,250,247,.72);border:1px solid rgba(244,250,247,.2)}
.badge-arch .dot{background:rgba(244,250,247,.6);animation:none}
.badge-soft{background:var(--brand-50);color:var(--brand)}
.badge-warn{background:#FFF1E8;color:#C24A12}
.badge-gray{background:#EFF2F0;color:var(--ink-3)}
.date-chip{
  display:inline-flex;align-items:center;border-radius:999px;padding:6px 14px;
  font-size:12.5px;font-weight:600;color:rgba(244,250,247,.86);
  border:1px dashed rgba(244,250,247,.35);
}
.hero-stats{
  display:grid;gap:1px;margin-top:40px;border-radius:var(--r-lg);overflow:hidden;
  background:rgba(244,250,247,.18);
}
@media (min-width:768px){.hero-stats{grid-template-columns:1.4fr 1fr 1fr}}
.hero-stat{background:rgba(16,35,29,.62);padding:18px 22px}
.hero-stat .label{font-size:13px;color:rgba(244,250,247,.7);letter-spacing:.02em}
.hero-stat .value{font-size:22px;font-weight:700;margin-top:6px;color:var(--on-dark)}
.countdown-xl{font-size:clamp(30px,4.2vw,40px);font-weight:700;color:var(--lime);line-height:1.15}

/* ============ Sections ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:1023px){.section{padding:72px 0}.section--tight{padding:56px 0}}
@media (max-width:767px){.section{padding:56px 0}.section--tight{padding:48px 0}}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{
  font-size:clamp(24px,2.8vw,32px);line-height:1.32;font-weight:800;
  letter-spacing:.01em;margin-bottom:12px;
}
.section-head .section-sub{font-size:16px;line-height:1.85;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-50);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}

/* ============ Feature cards ============ */
.feature-list{display:grid;gap:24px}
.feature-card{
  display:grid;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.feature-media{overflow:hidden;position:relative;background:var(--brand-50)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media .float-badge{position:absolute;left:18px;top:18px}
@media (max-width:1023px){.feature-media{aspect-ratio:16/9;min-height:0}}
@media (min-width:1024px){
  .feature-card--tall{grid-template-columns:7fr 5fr;min-height:348px}
  .feature-card--wide{grid-template-columns:5fr 7fr;min-height:268px}
  .feature-media{height:100%}
}
.feature-body{padding:30px 30px 32px;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
@media (max-width:767px){.feature-body{padding:22px 20px 24px}}
.feature-body h3{font-size:20px;line-height:1.45;font-weight:700}
.feature-body p{font-size:15.5px;color:var(--ink-2);line-height:1.85}
.meta-list{display:grid;gap:10px 24px;width:100%;padding-top:4px}
@media (min-width:520px){.meta-list{grid-template-columns:1fr 1fr}}
.meta-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-3);border-bottom:1px dashed var(--divider);padding-bottom:8px}
.meta-list li .val{color:var(--ink);font-weight:600}

/* ============ Schedule list ============ */
.schedule-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-1)}
.schedule-row{
  display:grid;align-items:center;gap:16px;padding:18px 24px;
  grid-template-columns:96px minmax(0,1fr) 120px 28px;
  grid-template-areas:"time name badge arrow";
  border-bottom:1px solid var(--divider);
  transition:background-color .18s var(--ease);
}
.schedule-row:last-child{border-bottom:0}
.schedule-row:hover{background:#F1F6F3}
.s-time{grid-area:time;font-size:16px;font-weight:700;color:var(--ink)}
.s-name{grid-area:name;font-size:16px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.s-badge{grid-area:badge;justify-self:start}
.s-arrow{grid-area:arrow;justify-self:end;color:var(--ink-3);font-size:18px;transition:transform .18s var(--ease),color .18s var(--ease)}
.schedule-row:hover .s-arrow{transform:translateX(2px);color:var(--brand)}
.schedule-note{margin-top:18px;font-size:14px;color:var(--ink-3)}
@media (max-width:767px){
  .schedule-row{
    grid-template-columns:74px minmax(0,1fr) 24px;
    grid-template-areas:"time name arrow" "time badge arrow";
    row-gap:8px;padding:16px 18px;
  }
  .s-name{white-space:normal;font-size:15.5px;line-height:1.5}
  .s-time{font-size:15px;align-self:start;padding-top:2px}
}

/* ============ Steps ============ */
.steps{display:grid;gap:0;max-width:820px}
.step{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;padding-bottom:32px}
.step:last-child{padding-bottom:0}
.step::after{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:1px;background:var(--line);
}
.step:last-child::after{display:none}
.step-num{
  width:56px;height:56px;border-radius:50%;background:var(--brand-50);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  border:1px solid var(--brand-100);
}
.step-body{padding-top:6px}
.step-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:8px}
.step-body p{font-size:15.5px;color:var(--ink-2);line-height:1.88;max-width:640px}
@media (max-width:767px){
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px}
  .step-num{width:44px;height:44px;font-size:15px}
  .step::after{left:21px;top:44px}
  .step-body h3{font-size:18px}
}

/* ============ FAQ ============ */
.faq{max-width:800px;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .2s var(--ease)}
.faq-item.is-open{box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;background:none;border:0;cursor:pointer;padding:18px 22px;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-plus{position:relative;width:20px;height:20px;flex:0 0 auto}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{
  margin:0 22px 22px;padding:2px 0 2px 16px;border-left:3px solid var(--brand);
  font-size:16px;line-height:1.9;color:var(--ink-2);
}
@media (max-width:767px){.faq-q{font-size:16px;padding:16px 18px}.faq-a-inner{margin:0 18px 18px}}

/* ============ CTA ============ */
.cta-panel{
  background:var(--dark);color:var(--on-dark);border-radius:var(--r-xl);
  padding:48px 32px;display:grid;gap:28px;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  background:linear-gradient(135deg,rgba(15,157,108,.35),rgba(255,106,43,.22));
  transform:rotate(24deg);border-radius:36px;opacity:.5;pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.35;margin-bottom:14px}
.cta-copy p{font-size:16px;color:rgba(244,250,247,.78);max-width:560px;line-height:1.9}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
@media (min-width:1024px){
  .cta-panel{grid-template-columns:1.5fr 1fr;align-items:center;padding:56px}
  .cta-actions{justify-content:flex-end}
}

/* ============ Drawer ============ */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(16,35,29,.5);z-index:60;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:#fff;z-index:70;
  padding:22px 20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  transform:translateX(100%);visibility:hidden;
  transition:transform .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-title{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;margin:10px 0 6px}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 6px;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--divider);transition:color .18s var(--ease),background-color .18s var(--ease);
}
.drawer-link:hover{color:var(--brand);background:var(--brand-50)}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px;display:grid;gap:12px}
.drawer-status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-50);border-radius:999px;padding:7px 13px;justify-self:start}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:var(--on-dark);padding-top:72px;margin-top:0}
.footer-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
@media (max-width:767px){.site-footer{padding-top:52px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;margin-bottom:14px;color:var(--on-dark)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(244,250,247,.7);max-width:330px}
.footer-qr{
  width:96px;height:96px;border-radius:var(--r);margin-top:22px;
  border:1px dashed rgba(244,250,247,.28);display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;line-height:1.5;color:rgba(244,250,247,.55);padding:8px;
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--on-dark);margin-bottom:16px;letter-spacing:.04em}
.footer-col a{display:block;font-size:14px;color:rgba(244,250,247,.7);padding:6px 0;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--brand-100);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:56px;padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(244,250,247,.6);
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
    --brand:#0F9D6C;
    --brand-hover:#0B8558;
    --brand-active:#096B47;
    --brand-soft:#E8F6F0;
    --brand-soft-2:#DCF2E8;
    --accent:#FF6A2B;
    --accent-hover:#EA5514;
    --neon:#CBF24A;
    --ink-900:#10231D;
    --ink-800:#1A322A;
    --bg:#F7F7F2;
    --surface:#FFFFFF;
    --line:#E2E8E4;
    --divider:#EDF1EE;
    --text:#132019;
    --text-2:#4A5A54;
    --text-3:#7C8B84;
    --danger:#D6453B;
    --info:#4A6C8C;
    --radius-s:8px;
    --radius-m:12px;
    --radius-l:16px;
    --radius-xl:24px;
    --radius-pill:999px;
    --shadow-1:0 1px 2px rgba(16,35,29,.06);
    --shadow-2:0 2px 4px rgba(16,35,29,.04), 0 12px 32px rgba(16,35,29,.07);
    --shadow-3:0 6px 12px rgba(16,35,29,.06), 0 20px 44px rgba(16,35,29,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --mono:"DIN Alternate", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system, "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    font-size:17px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul{list-style:none;padding:0;}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
  a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
  button,input{font:inherit;color:inherit;}
  button{cursor:pointer;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

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

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.9);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 4px 20px rgba(16,35,29,.07);}
  .header-inner{display:flex;align-items:center;gap:14px;height:64px;}
  @media (min-width:1024px){.header-inner{height:72px;}}

  .brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
  .brand:hover{text-decoration:none;}
  .brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text);}
  @media (min-width:1024px){.brand-text{font-size:19px;}}
  .brand-mark{
    position:relative;width:34px;height:34px;border-radius:10px;
    background:var(--brand);overflow:hidden;flex:0 0 34px;
  }
  .brand-mark::before{
    content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(115deg, rgba(255,255,255,.85) 0 3px, transparent 3px 11px);
    opacity:.5;
  }
  .brand-mark::after{
    content:"";position:absolute;right:-9px;bottom:-9px;width:20px;height:20px;
    background:var(--accent);transform:rotate(45deg);
  }

  .nav-links{display:none;align-items:center;gap:4px;margin-left:10px;}
  @media (min-width:1024px){.nav-links{display:flex;}}
  .nav-link{
    position:relative;padding:9px 12px;border-radius:var(--radius-s);
    font-size:15px;color:var(--text-2);letter-spacing:.02em;
  }
  .nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
    background:var(--brand);border-radius:2px;
  }

  .header-right{display:none;align-items:center;gap:12px;margin-left:auto;}
  @media (min-width:1024px){.header-right{display:flex;}}
  .status-pill{
    display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;
    border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);
    font-size:13px;font-weight:600;white-space:nowrap;
  }
  .status-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 1.8s infinite ease-in-out;}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}
  .countdown{
    font-family:var(--mono);font-variant-numeric:tabular-nums;
    font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.04em;
  }

  .menu-toggle{
    display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    width:44px;height:44px;margin-left:auto;border-radius:var(--radius-m);
    background:#fff;border:1px solid var(--line);
  }
  .menu-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand);}
  @media (min-width:1024px){.menu-toggle{display:none;}}

  /* 抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(16,35,29,.5);
    opacity:0;visibility:hidden;transition:opacity .24s var(--ease);z-index:60;
  }
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:280px;z-index:61;
    background:#fff;padding:20px;display:flex;flex-direction:column;
    transform:translateX(100%);transition:transform .24s var(--ease);
    overflow-y:auto;box-shadow:-8px 0 32px rgba(16,35,29,.12);
  }
  body.drawer-open .drawer{transform:translateX(0);}
  body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
  .drawer-head{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;padding-bottom:16px;}
  .drawer-link{
    display:flex;align-items:center;height:48px;border-bottom:1px solid var(--divider);
    font-size:15px;color:var(--text-2);
  }
  .drawer-link:hover{color:var(--brand);text-decoration:none;}
  .drawer-link.is-active{color:var(--brand);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:20px;display:grid;gap:12px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-pill);
    border:1.5px solid transparent;font-size:15px;font-weight:600;white-space:nowrap;
    transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  }
  .btn:hover{text-decoration:none;}
  @media (min-width:1024px){.btn{height:48px;}}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(255,106,43,.25);}
  .btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,106,43,.28);}
  .btn-primary:active{transform:translateY(0);background:var(--accent-hover);}
  .btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand);}
  .btn-secondary:hover{background:var(--brand-soft);color:var(--brand-hover);}
  .btn-secondary:active{background:var(--brand-soft-2);}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}

  /* ---------- 面包屑 / 首屏 ---------- */
  .help-hero{
    position:relative;overflow:hidden;text-align:center;
    padding:40px 0 44px;
    background-color:#F1F7F3;
    background-image:
      linear-gradient(rgba(226,232,228,.85) 1px, transparent 1px),
      linear-gradient(90deg, rgba(226,232,228,.85) 1px, transparent 1px);
    background-size:34px 34px;
    border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){.help-hero{padding:56px 0 56px;}}
  @media (min-width:1024px){.help-hero{padding:72px 0 64px;}}
  .help-hero::after{
    content:"";position:absolute;right:-50px;top:-50px;width:180px;height:180px;
    background:rgba(15,157,108,.09);transform:rotate(24deg);border-radius:32px;pointer-events:none;
  }
  .help-hero::before{
    content:"";position:absolute;left:-70px;bottom:-80px;width:160px;height:160px;
    background:rgba(255,106,43,.07);transform:rotate(18deg);border-radius:32px;pointer-events:none;
  }
  .help-hero .shell{position:relative;z-index:1;}
  .breadcrumb{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);}
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#C3CEC8;}

  .hero-title{
    margin:18px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.25;
    font-weight:800;letter-spacing:-.02em;
  }
  .hero-sub{
    max-width:660px;margin:0 auto 30px;font-size:17px;line-height:1.85;color:var(--text-2);
  }

  .search-form{position:relative;width:100%;max-width:560px;margin:0 auto;}
  .search-form input[type="search"]{
    width:100%;height:56px;padding:0 136px 0 24px;
    border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;
    font-size:16px;color:var(--text);box-shadow:var(--shadow-2);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-form input[type="search"]::placeholder{color:var(--text-3);}
  .search-form input[type="search"]:focus{
    outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand);
  }
  .search-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);height:44px;}
  .search-btn:hover{transform:translateY(-50%);}

  .quick-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px;}
  .tag-chip{
    display:inline-flex;align-items:center;height:36px;padding:0 15px;
    border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);
    font-size:13px;font-weight:500;color:var(--text-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
  }
  .tag-chip:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:72px 0;}}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-alt{background:#EFF6F1;}
  .section-tight{padding-top:0;}
  .section-head{max-width:720px;margin-bottom:32px;}
  .section-head.centered{margin-left:auto;margin-right:auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
    padding:5px 12px;border-radius:var(--radius-pill);
    background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
  }
  .section-title{font-size:clamp(24px,3vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
  .section-sub{margin-top:12px;font-size:16px;line-height:1.8;color:var(--text-2);}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:800px;margin:0 auto;display:grid;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
    overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .faq-item:hover{border-color:#D2DCD6;box-shadow:var(--shadow-1);}
  .faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-2);}
  .faq-q-h{margin:0;}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
    min-height:60px;padding:14px 20px;background:transparent;border:0;text-align:left;
    font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  }
  @media (min-width:768px){.faq-q{min-height:64px;}}
  .faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
  .faq-icon{
    position:relative;width:20px;height:20px;flex:0 0 20px;
    transition:transform .22s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  }
  .faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
  .faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .faq-a-inner{padding:0 20px 20px;}
  .faq-a-inner p{
    font-size:16px;line-height:1.9;color:var(--text-2);
    border-left:3px solid var(--brand);padding-left:14px;
  }
  .faq-empty{
    max-width:800px;margin:20px auto 0;text-align:center;font-size:14px;color:var(--text-3);
  }

  /* ---------- 图文说明板块 ---------- */
  .help-banner{
    display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow-1);
  }
  @media (min-width:1024px){.help-banner{grid-template-columns:1fr 1fr;}}
  .banner-media{min-height:220px;background:var(--brand-soft);}
  .banner-media img{width:100%;height:100%;min-height:220px;object-fit:cover;}
  @media (min-width:1024px){.banner-media,.banner-media img{min-height:100%;}}
  .banner-body{padding:28px 24px;}
  @media (min-width:768px){.banner-body{padding:40px;}}
  .check-list{display:grid;gap:20px;margin-top:6px;}
  .check-list li{display:flex;gap:14px;}
  .check-dot{
    flex:0 0 22px;width:22px;height:22px;margin-top:3px;border-radius:50%;
    background:var(--brand-soft);position:relative;
  }
  .check-dot::after{
    content:"";position:absolute;left:7px;top:7px;width:8px;height:4px;
    border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
    transform:rotate(-45deg);
  }
  .check-list h3{font-size:17px;font-weight:700;margin-bottom:4px;}
  .check-list p{font-size:15px;line-height:1.8;color:var(--text-2);}

  /* ---------- 分类入口 ---------- */
  .entry-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:768px){.entry-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .entry-card{
    display:flex;gap:14px;padding:22px 20px;border-radius:var(--radius-l);
    transition:background-color .2s var(--ease),transform .2s var(--ease);
  }
  .entry-card:hover{background:#F1F6F3;text-decoration:none;transform:translateY(-2px);}
  .entry-card:hover h3{color:var(--brand);}
  .entry-icon{
    flex:0 0 44px;width:44px;height:44px;border-radius:var(--radius-m);
    background:var(--brand-soft);display:grid;place-items:center;color:var(--brand);
  }
  .entry-icon svg{width:22px;height:22px;}
  .entry-card h3{font-size:17px;font-weight:700;margin-bottom:6px;transition:color .2s var(--ease);}
  .entry-card p{font-size:14px;line-height:1.8;color:var(--text-2);}
  .entry-more{
    display:inline-flex;align-items:center;gap:6px;margin-top:10px;
    font-size:13px;font-weight:600;color:var(--brand);
  }

  /* ---------- 反馈条 ---------- */
  .feedback-bar{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
    padding:24px;border-radius:var(--radius-l);
    background:var(--ink-900);color:#F4FAF7;
  }
  @media (min-width:768px){.feedback-bar{padding:26px 32px;}}
  .feedback-title{font-size:20px;font-weight:700;line-height:1.4;color:#fff;}
  .feedback-bar p{margin-top:6px;font-size:15px;line-height:1.8;color:rgba(244,250,247,.78);}
  .link-btn{
    display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--radius-pill);
    border:1.5px solid rgba(203,242,74,.5);color:var(--neon);font-size:15px;font-weight:600;
    transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  }
  .link-btn:hover{background:rgba(203,242,74,.14);color:var(--neon);text-decoration:none;transform:translateY(-1px);}
  .link-btn span{transition:transform .2s var(--ease);}
  .link-btn:hover span{transform:translateX(3px);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink-900);color:#F4FAF7;padding:56px 0 28px;margin-top:24px;}
  @media (min-width:768px){.site-footer{padding:64px 0 28px;}}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px;}
  .footer-desc{
    max-width:320px;margin-bottom:18px;font-size:14px;line-height:1.85;
    color:rgba(244,250,247,.72);
  }
  .footer-qr{
    width:96px;height:96px;border-radius:var(--radius-m);
    border:1px dashed rgba(244,250,247,.35);
    display:grid;place-items:center;text-align:center;line-height:1.5;
    font-size:12px;color:rgba(244,250,247,.6);
  }
  .footer-col h4{font-size:14px;font-weight:600;color:#F4FAF7;margin-bottom:14px;}
  .footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(244,250,247,.72);}
  .footer-col a:hover{color:var(--brand);text-decoration:none;}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
    font-size:13px;color:rgba(244,250,247,.6);
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --green:#0F9D6C;
  --green-hover:#0B8558;
  --green-active:#096B47;
  --green-soft:#E8F6F0;
  --green-mist:#DCF2E8;
  --orange:#FF6A2B;
  --orange-hover:#EA5514;
  --lime:#CBF24A;
  --night:#10231D;
  --night-raise:#1A322A;
  --inverse:#F4FAF7;
  --bg:#F7F7F2;
  --card:#FFFFFF;
  --border:#E2E8E4;
  --divider:#EDF1EE;
  --text:#132019;
  --text-sub:#4A5A54;
  --text-faint:#7C8B84;
  --error:#D6453B;
  --info:#4A6C8C;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,29,.06);
  --sh-2:0 2px 4px rgba(16,35,29,.04),0 12px 32px rgba(16,35,29,.07);
  --sh-3:0 6px 12px rgba(16,35,29,.06),0 20px 44px rgba(16,35,29,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--green);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:var(--r-sm)}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 2px 4px rgba(255,106,43,.18)}
.btn-primary:hover{background:var(--orange-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,106,43,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn-outline:hover{background:var(--green-soft);color:var(--green-hover);border-color:var(--green-hover)}
.btn-ghost{background:transparent;color:var(--green);padding:0 4px;min-height:44px}
.btn-ghost .arrow{transition:transform .2s var(--ease)}
.btn-ghost:hover .arrow{transform:translateX(3px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(16,35,29,.07)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text);flex-shrink:0}
.brand:hover{text-decoration:none;color:var(--text)}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--green) 0%,var(--green-active) 100%);
  overflow:hidden;flex-shrink:0;
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.85) 0 2px,transparent 2px 9px);
  opacity:.55;
}
.brand-mark::after{
  content:"";position:absolute;right:-6px;bottom:-6px;width:18px;height:18px;border-radius:6px;
  background:var(--lime);opacity:.9;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;font-size:15px;color:var(--text-sub);letter-spacing:.02em;
}
.nav-link:hover{color:var(--green);text-decoration:none}
.nav-link.is-active{color:var(--green);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;background:var(--green);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--green-soft);color:var(--green-active);
  font-size:13px;font-weight:600;line-height:1;
}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.nav-countdown{font-size:14px;font-weight:700;color:var(--orange);letter-spacing:.06em}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--border);background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--green);transition:transform .2s var(--ease),opacity .2s var(--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)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,35,29,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:60}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:#fff;z-index:61;
  transform:translateX(100%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--text-faint);font-weight:600;letter-spacing:.08em;margin:8px 0 4px}
.drawer-link{display:flex;align-items:center;height:48px;padding:0 6px;border-bottom:1px solid var(--divider);font-size:16px;color:var(--text-sub)}
.drawer-link.is-active{color:var(--green);font-weight:600}
.drawer-link:hover{text-decoration:none;color:var(--green)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:#F1F7F3;
  padding:64px 0 68px;
  border-bottom:1px solid var(--border);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:34px 34px;opacity:.45;
}
.hero::after{
  content:"";position:absolute;top:-60px;right:-40px;width:240px;height:240px;
  background:var(--green-mist);transform:rotate(18deg);border-radius:32px;opacity:.7;pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:28px;max-width:840px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-faint);padding:0}
.crumb a{color:var(--text-faint)}
.crumb a:hover{color:var(--green);text-decoration:none}
.crumb span.sep{color:#C7D2CC}
.hero-head{display:flex;align-items:flex-start;gap:20px}
.hero-icon{
  width:76px;height:76px;border-radius:22px;background:var(--green-mist);color:var(--green-deep, #096B47);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 6px 18px rgba(15,157,108,.14);
}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.25;font-weight:800;color:var(--text)}
.hero-sub{margin-top:14px;font-size:18px;line-height:1.85;color:var(--text-sub);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;background:#fff;color:var(--text-sub);border:1px solid var(--border);
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--green)}

/* 通用板块 */
.section{padding:var(--section-y) 0}
.section-sm{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,30px);font-weight:800}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green);letter-spacing:.08em;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--green)}
.section-desc{margin-top:12px;font-size:17px;color:var(--text-sub);max-width:640px}

/* 主区两列 */
.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:32px;align-items:start}
.check-list{background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);padding:8px 28px;box-shadow:var(--sh-1)}
.check-item{display:flex;gap:16px;padding:24px 0;border-bottom:1px solid var(--divider)}
.check-item:last-child{border-bottom:0}
.check-icon{
  width:32px;height:32px;border-radius:50%;background:var(--green-soft);color:var(--green-active);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:4px;
}
.check-item h3{font-size:19px;font-weight:700;margin-bottom:8px}
.check-item p{font-size:15.5px;color:var(--text-sub);line-height:1.85}

.alert-card{
  border:1.5px solid #FFC7A8;background:#FFF4EE;border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:0 2px 10px rgba(255,106,43,.08);
}
.alert-head{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#B8431A}
.alert-icon{width:30px;height:30px;border-radius:9px;background:#FFE1D0;color:var(--orange-hover);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.alert-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.alert-list li{display:flex;gap:10px;font-size:15px;line-height:1.8;color:#7A3A20}
.alert-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);flex-shrink:0;margin-top:11px}
.alert-foot{margin-top:20px;padding-top:18px;border-top:1px dashed #FFD3BB;font-size:13.5px;color:#8A4B2A}
.side-card{
  position:sticky;top:104px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);margin-top:24px;
}
.side-card h3{font-size:17px;margin-bottom:14px}
.side-card ul{display:flex;flex-direction:column;gap:10px}
.side-card li{display:flex;gap:9px;font-size:14.5px;color:var(--text-sub);line-height:1.75}
.side-card li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green);flex-shrink:0;margin-top:10px}
.side-card .btn{margin-top:18px}

/* 流程 */
.flow{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.flow-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:48px;align-items:start}
.steps{position:relative;padding-left:8px}
.step{position:relative;display:flex;gap:20px;padding-bottom:32px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:2px;background:var(--divider);
}
.step:last-child::before{display:none}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--green-soft);color:var(--green-active);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0;
  position:relative;z-index:1;border:2px solid #fff;
}
.step-body h3{font-size:19px;margin-bottom:8px}
.step-body p{font-size:15.5px;color:var(--text-sub);line-height:1.85}
.flow-figure{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--green-soft)}
.flow-figure img{width:100%;aspect-ratio:3/2;object-fit:cover}
.flow-figure figcaption{font-size:13px;color:var(--text-faint);text-align:center;padding:14px 12px 0}

/* 四宫格 */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.feature-card{
  display:flex;gap:16px;padding:24px;border-radius:var(--r-lg);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.feature-card:hover{background:var(--green-soft);transform:translateY(-2px)}
.feature-icon{
  width:44px;height:44px;border-radius:var(--r-md);background:#fff;color:var(--green);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--sh-1);
}
.feature-card h3{font-size:18px;margin-bottom:8px}
.feature-card p{font-size:15px;color:var(--text-sub);line-height:1.8}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--green)}
.faq-plus{
  position:relative;width:20px;height:20px;flex-shrink:0;
  transition:transform .24s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--green);border-radius:2px;
}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{top:0;left:9px;width:2px;height:20px}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px 22px;border-left:3px solid var(--green);margin-left:0;
  font-size:15.5px;color:var(--text-sub);line-height:1.9;
}

/* CTA */
.cta-band{
  background:var(--night);color:var(--inverse);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  overflow:hidden;position:relative;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:40px;
  background:var(--night-raise);transform:rotate(16deg);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,3vw,28px);color:#fff;margin-bottom:12px}
.cta-band p{font-size:16px;color:rgba(244,250,247,.78);max-width:620px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-link{color:#CBF24A;font-size:15px;font-weight:600}
.cta-link:hover{color:#fff;text-decoration:none}

/* 页脚 */
.site-footer{background:var(--night);color:var(--inverse);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-desc{font-size:14px;color:rgba(244,250,247,.6);line-height:1.85;max-width:320px}
.footer-qr{
  width:96px;height:96px;border-radius:var(--r-md);margin-top:20px;
  background:var(--night-raise);color:rgba(244,250,247,.45);font-size:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;line-height:1.5;
}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:6px}
.footer-col a{font-size:14px;color:rgba(244,250,247,.65)}
.footer-col a:hover{color:var(--green);text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(244,250,247,.45);
}

/* 响应式 */
@media (max-width:1023px){
  .nav-links,.nav-countdown,.nav-tools .status-pill{display:none}
  .nav-toggle{display:flex}
  .split{grid-template-columns:1fr;gap:28px}
  .side-card{position:static;margin-top:0}
  .flow-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
  :root{--section-y:72px}
}
@media (max-width:767px){
  .shell{padding:0 20px}
  body{font-size:16.5px}
  .nav-inner{height:64px}
  .hero{padding:44px 0 52px}
  .hero-head{flex-direction:column;gap:16px}
  .hero-icon{width:64px;height:64px;border-radius:18px}
  .hero-sub{font-size:16.5px}
  .btn{min-height:44px;padding:0 20px}
  .check-list{padding:4px 20px}
  .feature-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .cta-band{padding:32px 24px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{font-size:16px;padding:14px 18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}