/* roulang page: index */
:root{
    --c-primary:#FF5A3C;
    --c-primary-deep:#E8432A;
    --c-secondary:#A855F7;
    --c-lime:#C6FF3D;
    --bg-page:#FFF7F2;
    --bg-alt:#F3EEFF;
    --bg-soft:#FFF1EC;
    --c-card:#FFFFFF;
    --t-main:#1B1035;
    --t-sub:#5B5470;
    --t-weak:#8B8598;
    --bd:rgba(27,16,53,.08);
    --bd-strong:rgba(27,16,53,.14);
    --grad:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
    --grad-soft:linear-gradient(120deg,rgba(255,90,60,.10) 0%,rgba(168,85,247,.10) 100%);
    --r-xs:12px;
    --r-sm:14px;
    --r-md:20px;
    --r-lg:28px;
    --r-xl:32px;
    --sh-1:0 8px 24px rgba(27,16,53,.06);
    --sh-2:0 16px 40px rgba(255,90,60,.16);
    --sh-3:0 20px 50px rgba(27,16,53,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --dur:.22s;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--bg-page);
    color:var(--t-main);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{background:none;border:none;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:3px solid rgba(255,90,60,.45);outline-offset:3px;border-radius:8px}

  .num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,-apple-system,sans-serif}

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

  .section{padding:52px 0}
  @media (min-width:768px){.section{padding:68px 0}}
  @media (min-width:1024px){.section{padding:92px 0}}
  .section--tight{padding:44px 0}
  .bg-alt{background:var(--bg-alt)}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.06em;
    color:var(--c-primary);text-transform:none;
  }
  .eyebrow::before{content:"";width:22px;height:3px;border-radius:999px;background:var(--grad)}
  .sec-title{
    font-size:clamp(1.5rem,2.6vw,2.25rem);
    line-height:1.3;font-weight:800;letter-spacing:-.01em;margin-top:12px;
  }
  .sec-sub{color:var(--t-sub);font-size:15.5px;max-width:680px;margin-top:14px}
  .sec-head{margin-bottom:36px}
  @media (min-width:1024px){.sec-head{margin-bottom:48px}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:700;font-size:15px;line-height:1;
    padding:14px 26px;border-radius:999px;border:1px solid transparent;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),filter var(--dur) var(--ease);
    white-space:nowrap;cursor:pointer;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,60,.24)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,90,60,.32);filter:brightness(1.05)}
  .btn-primary:active{transform:translateY(0) scale(.995)}
  .btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(255,90,60,.28)}
  .btn-ghost:hover{background:var(--bg-soft);border-color:var(--c-primary);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{padding:10px 20px;font-size:14px}
  .btn-block{width:100%}
  .btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(.55);cursor:not-allowed;transform:none!important;box-shadow:none}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--c-primary);font-weight:600;font-size:14.5px;
    text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;
    transition:gap var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .link-arrow:hover{gap:11px;color:var(--c-primary-deep)}
  .link-arrow svg{width:14px;height:14px}

  /* ---------- 徽章与标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:999px;
    font-size:12.5px;font-weight:700;line-height:1.5;
    background:var(--grad-soft);
    border:1px solid rgba(255,90,60,.22);
    color:#B0331C;
  }
  .badge-lime{background:rgba(198,255,61,.28);border-color:rgba(120,160,0,.28);color:#4E6300}
  .badge-plain{background:#fff;border-color:var(--bd);color:var(--t-sub)}
  .badge-dot::before{
    content:"";width:7px;height:7px;border-radius:50%;
    background:var(--c-primary);box-shadow:0 0 0 3px rgba(255,90,60,.16);
  }
  .tag{
    display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
    font-size:12.5px;font-weight:600;background:var(--bg-alt);color:var(--c-secondary);
    border:1px solid rgba(168,85,247,.18);
  }

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-header{position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 16px}
  .nav-shell{
    max-width:1200px;margin:0 auto;height:64px;
    display:flex;align-items:center;gap:14px;
    padding:0 12px 0 16px;border-radius:999px;
    background:rgba(255,255,255,.72);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border:1px solid var(--bd);box-shadow:var(--sh-1);
    transition:background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .site-header.scrolled .nav-shell{background:rgba(255,255,255,.92);box-shadow:0 12px 34px rgba(27,16,53,.12)}

  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:.01em;flex-shrink:0}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;background:var(--grad);
    display:grid;place-items:center;box-shadow:0 8px 18px rgba(255,90,60,.30);flex-shrink:0;
  }
  .brand-mark svg{width:19px;height:19px;display:block}
  .brand-accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .brand-name{white-space:nowrap}

  .nav-menu{display:none;align-items:center;gap:2px;margin-left:auto}
  .nav-link{
    position:relative;padding:9px 15px;border-radius:999px;
    font-size:14.5px;font-weight:500;color:var(--t-sub);
    transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
    white-space:nowrap;
  }
  .nav-link:hover{background:var(--grad-soft);color:var(--c-primary)}
  .nav-link.active{color:var(--c-primary);font-weight:700}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
    width:20px;height:3px;border-radius:999px;background:var(--grad);
  }
  .nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
  .nav-menu + .nav-right{margin-left:14px}

  .nav-toggle{
    width:44px;height:44px;border-radius:999px;display:grid;place-items:center;
    border:1px solid var(--bd);background:#fff;
    transition:background-color var(--dur) var(--ease);
  }
  .nav-toggle:hover{background:var(--bg-soft)}
  .nav-toggle svg{width:20px;height:20px}

  .mobile-panel{
    max-width:1200px;margin:10px auto 0;
    background:#fff;border:1px solid var(--bd);border-radius:24px;
    box-shadow:var(--sh-3);padding:14px;
    animation:panelIn .22s var(--ease);
  }
  .mobile-panel[hidden]{display:none!important}
  @keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
  .mobile-nav{display:flex;flex-direction:column}
  .mobile-link{
    padding:14px 14px;border-radius:16px;font-size:15.5px;font-weight:600;color:var(--t-sub);
    transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .mobile-link:hover{background:var(--bg-soft);color:var(--c-primary)}
  .mobile-link.active{background:var(--grad-soft);color:var(--c-primary)}
  .mobile-divider{height:1px;background:var(--bd);margin:10px 6px}
  .mobile-cta{margin-top:4px}

  @media (min-width:1024px){
    .nav-menu{display:flex}
    .nav-toggle{display:none}
    .mobile-panel{display:none!important}
  }

  /* ---------- Hero ---------- */
  .hero{padding-top:118px;padding-bottom:8px}
  @media (min-width:1024px){.hero{padding-top:140px}}
  .hero-card{
    position:relative;overflow:hidden;border-radius:var(--r-xl);
    border:1px solid var(--bd);
    background:
      radial-gradient(900px 380px at 88% -10%,rgba(168,85,247,.16),transparent 62%),
      radial-gradient(700px 340px at 6% 108%,rgba(255,90,60,.16),transparent 60%),
      linear-gradient(150deg,#FFF7F2 0%,#F7EFFF 55%,#FFF1EC 100%);
    padding:32px 24px;
  }
  @media (min-width:768px){.hero-card{padding:44px 40px}}
  @media (min-width:1024px){.hero-card{padding:56px 52px}}
  .hero-grid{display:grid;gap:36px}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:center}}

  .hero h1{
    font-size:clamp(2rem,4.6vw,3.4rem);
    line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-top:18px;
  }
  .hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero-sub{margin-top:18px;font-size:16.5px;color:var(--t-sub);max-width:520px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  @media (max-width:639px){.hero-actions .btn{width:100%}}

  .stat-row{display:grid;gap:12px;margin-top:32px;grid-template-columns:1fr}
  @media (min-width:640px){.stat-row{grid-template-columns:repeat(3,1fr)}}
  .stat{
    background:#fff;border:1px solid var(--bd);border-radius:var(--r-md);
    padding:14px 16px;box-shadow:var(--sh-1);
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .stat-num{font-size:24px;font-weight:800;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .stat-label{font-size:12.5px;color:var(--t-weak);margin-top:2px}

  .hero-visual{position:relative}
  .hero-media{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid rgba(255,90,60,.24);
    box-shadow:0 22px 50px rgba(27,16,53,.14);
    aspect-ratio:16/11;background:#F3EEFF;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .float-card{
    position:absolute;background:rgba(255,255,255,.94);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    border:1px solid var(--bd);border-radius:18px;padding:10px 14px;
    box-shadow:var(--sh-1);font-size:12.5px;font-weight:600;color:var(--t-sub);
    display:flex;align-items:center;gap:8px;
  }
  .float-card strong{font-size:14px;color:var(--t-main)}
  .float-a{left:-8px;bottom:26px}
  .float-b{right:-6px;top:22px}
  @media (max-width:639px){.float-a{left:8px;bottom:10px}.float-b{right:8px;top:10px}}

  /* ---------- 权益对比 ---------- */
  .plan-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:640px){.plan-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.plan-grid{grid-template-columns:repeat(4,1fr);gap:18px}}
  .plan{
    position:relative;display:flex;flex-direction:column;
    background:var(--c-card);border:1px solid var(--bd);border-radius:var(--r-lg);
    padding:26px 22px;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .plan:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(255,90,60,.35)}
  .plan.featured{
    border:2px solid transparent;
    background-image:linear-gradient(#fff,#fff),var(--grad);
    background-origin:border-box;background-clip:padding-box,border-box;
    box-shadow:0 18px 44px rgba(168,85,247,.18);
    transform:scale(1.02);
  }
  .plan.featured:hover{transform:scale(1.02) translateY(-5px);box-shadow:0 24px 52px rgba(168,85,247,.24)}
  .plan-flag{
    position:absolute;top:-13px;left:22px;
    padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;
    background:var(--grad);box-shadow:0 8px 18px rgba(255,90,60,.3);
  }
  .plan-name{font-size:17px;font-weight:800}
  .plan-desc{font-size:12.5px;color:var(--t-weak);margin-top:4px}
  .plan-price{display:flex;align-items:baseline;gap:4px;margin-top:16px}
  .plan-price .amount{font-size:34px;font-weight:800;line-height:1;letter-spacing:-.02em}
  .plan-price .unit{font-size:13px;color:var(--t-weak)}
  .plan-line{height:1px;background:var(--bd);margin:18px 0 6px}
  .plan-features{flex:1;margin-bottom:20px}
  .plan-features li{
    display:flex;align-items:flex-start;gap:9px;
    padding:9px 0;font-size:14px;color:var(--t-sub);
    border-bottom:1px dashed rgba(27,16,53,.07);
  }
  .plan-features li:last-child{border-bottom:none}
  .plan-features li.off{color:var(--t-weak)}
  .feat-ico{width:16px;height:16px;flex-shrink:0;margin-top:5px}
  .feat-ico.on path{stroke:var(--c-primary)}
  .feat-ico.no path{stroke:#C9C4D6}

  /* ---------- 等级阶梯 ---------- */
  .ladder{display:flex;flex-direction:column;gap:18px}
  .ladder-item{
    position:relative;display:grid;grid-template-columns:auto 1fr;gap:18px;
    background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);
    padding:22px 22px;align-items:start;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .ladder-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
  @media (min-width:900px){
    .ladder-item:nth-child(even){margin-left:32px}
  }
  .ladder-item::after{
    content:"";position:absolute;left:45px;top:100%;width:2px;height:18px;
    background:repeating-linear-gradient(to bottom,rgba(255,90,60,.55) 0 5px,transparent 5px 10px);
  }
  .ladder-item:last-child::after{display:none}
  @media (max-width:639px){.ladder-item::after{left:40px}}
  .ladder-no{
    width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
    background:var(--grad);color:#fff;font-weight:800;font-size:18px;
    box-shadow:0 10px 22px rgba(255,90,60,.26);flex-shrink:0;
  }
  .ladder-item:nth-child(2) .ladder-no{background:linear-gradient(120deg,#FF7A45,#F0562F);box-shadow:0 10px 22px rgba(240,86,47,.24)}
  .ladder-item:nth-child(3) .ladder-no{background:linear-gradient(120deg,#B166F5,#8B3EE0);box-shadow:0 10px 22px rgba(139,62,224,.24)}
  .ladder-item:nth-child(4) .ladder-no{background:linear-gradient(120deg,#2F1B5E,#A855F7);box-shadow:0 10px 22px rgba(47,27,94,.26)}
  .ladder-body h3{font-size:18px;font-weight:800}
  .ladder-body p{font-size:14.5px;color:var(--t-sub);margin-top:8px}
  .ladder-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

  /* ---------- 专属内容预览 ---------- */
  .cover-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:640px){.cover-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.cover-grid{grid-template-columns:repeat(4,1fr)}}
  .cover-card{
    display:flex;flex-direction:column;background:#fff;
    border:1px solid var(--bd);border-radius:var(--r-md);overflow:hidden;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .cover-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(255,90,60,.3)}
  .cover-media{position:relative;aspect-ratio:16/10;background:#F3EEFF;overflow:hidden}
  .cover-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .cover-card:hover .cover-media img{transform:scale(1.05)}
  .cover-lock{
    position:absolute;top:10px;right:10px;
    display:inline-flex;align-items:center;gap:5px;
    padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:700;
    background:rgba(198,255,61,.92);color:#42540A;
    border:1px solid rgba(90,120,0,.22);
  }
  .cover-lock svg{width:12px;height:12px}
  .cover-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
  .cover-body h3{font-size:15.5px;font-weight:700;line-height:1.55}
  .cover-body p{font-size:13.5px;color:var(--t-sub);flex:1}
  .cover-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:2px}
  .cover-tier{font-size:12px;color:var(--t-weak)}

  /* ---------- 最新动态（CMS） ---------- */
  .news-layout{display:grid;gap:22px;grid-template-columns:1fr}
  @media (min-width:1024px){.news-layout{grid-template-columns:1.25fr 1fr;gap:26px}}
  .news-feature{
    display:flex;flex-direction:column;background:#fff;
    border:1px solid var(--bd);border-radius:var(--r-lg);overflow:hidden;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
  .news-feature-media{position:relative;aspect-ratio:16/9;background:#F3EEFF;overflow:hidden;display:block}
  .news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .news-feature:hover .news-feature-media img{transform:scale(1.04)}
  .news-feature-body{padding:22px;display:flex;flex-direction:column;gap:12px}
  .news-feature-body h3{font-size:19px;font-weight:800;line-height:1.5}
  .news-feature-body h3 a:hover{color:var(--c-primary)}
  .news-feature-body p{font-size:14.5px;color:var(--t-sub);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--t-weak)}
  .news-time{display:inline-flex;align-items:center;gap:5px}
  .news-time svg{width:13px;height:13px}

  .news-side{display:flex;flex-direction:column;background:#fff;border:1px solid var(--bd);border-radius:var(--r-lg);padding:8px;box-shadow:var(--sh-1)}
  .news-row{
    display:flex;gap:14px;padding:14px;border-radius:20px;
    transition:background-color var(--dur) var(--ease);align-items:flex-start;
  }
  .news-row + .news-row{border-top:1px dashed rgba(27,16,53,.08)}
  .news-row:hover{background:var(--bg-soft)}
  .news-row-thumb{width:76px;height:60px;border-radius:14px;overflow:hidden;flex-shrink:0;background:#F3EEFF}
  .news-row-thumb img{width:100%;height:100%;object-fit:cover}
  .news-row-body{min-width:0;flex:1}
  .news-row-body h4{font-size:14.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-row:hover h4{color:var(--c-primary)}
  .news-row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--t-weak)}

  .news-empty{
    border:1px dashed var(--bd-strong);border-radius:var(--r-lg);
    background:#fff;padding:56px 24px;text-align:center;color:var(--t-weak);
  }
  .news-empty svg{width:40px;height:40px;margin:0 auto 14px;stroke:var(--c-primary);opacity:.7}
  .news-empty p{font-size:14.5px;margin-bottom:16px}
  .news-more{display:flex;justify-content:center;margin-top:26px}

  /* ---------- 数据说明条 ---------- */
  .evidence{
    display:grid;gap:16px;grid-template-columns:1fr;
    background:var(--c-card);border:1px solid var(--bd);border-radius:var(--r-lg);
    padding:24px;
  }
  @media (min-width:768px){.evidence{grid-template-columns:repeat(3,1fr);gap:24px}}
  .evidence-item{display:flex;gap:14px;align-items:flex-start}
  .evidence-ico{
    width:44px;height:44px;border-radius:14px;flex-shrink:0;display:grid;place-items:center;
    background:var(--grad-soft);border:1px solid rgba(255,90,60,.2);
  }
  .evidence-ico svg{width:20px;height:20px;stroke:var(--c-primary)}
  .evidence-item h3{font-size:15.5px;font-weight:700}
  .evidence-item p{font-size:13.5px;color:var(--t-sub);margin-top:6px}

  /* ---------- FAQ ---------- */
  .faq-wrap{display:grid;gap:12px}
  @media (min-width:1024px){.faq-wrap{grid-template-columns:1fr 1fr;gap:14px}}
  .faq-item{
    background:#fff;border:1px solid var(--bd);border-radius:var(--r-md);
    overflow:hidden;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .faq-item:hover{border-color:rgba(255,90,60,.28)}
  .faq-item.open{border-color:rgba(255,90,60,.4);box-shadow:var(--sh-1)}
  .faq-q{
    width:100%;display:flex;align-items:flex-start;gap:14px;
    padding:18px 18px;text-align:left;font-size:15.5px;font-weight:700;line-height:1.65;
    color:var(--t-main);
  }
  .faq-bar{width:4px;border-radius:999px;background:var(--grad);flex-shrink:0;align-self:stretch;min-height:22px}
  .faq-text{flex:1}
  .faq-icon{
    width:24px;height:24px;flex-shrink:0;display:grid;place-items:center;
    border-radius:50%;background:var(--grad-soft);color:var(--c-primary);
    font-size:16px;font-weight:700;line-height:1;
    transition:transform var(--dur) var(--ease);
  }
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{
    padding:0 18px 20px 36px;font-size:14.5px;color:var(--t-sub);
    animation:faqIn .22s var(--ease);
  }
  .faq-a[hidden]{display:none}
  @keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

  /* ---------- CTA ---------- */
  .cta-card{
    position:relative;overflow:hidden;border-radius:var(--r-xl);
    background:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
    padding:36px 26px;color:#fff;
    box-shadow:0 22px 54px rgba(168,85,247,.24);
  }
  @media (min-width:1024px){.cta-card{padding:52px 48px}}
  .cta-card::after{
    content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(198,255,61,.35),transparent 65%);
  }
  .cta-inner{position:relative;z-index:1;display:grid;gap:26px}
  @media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr auto;align-items:center;gap:40px}}
  .cta-card h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:800;line-height:1.3;color:#fff}
  .cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px}
  .cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
  .cta-badges .badge{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.35);color:#fff}
  .cta-actions{display:flex;flex-direction:column;gap:12px}
  @media (max-width:1023px){.cta-actions .btn{width:100%}}
  .btn-on-grad{background:#fff;color:#C0321A;box-shadow:0 12px 28px rgba(0,0,0,.16)}
  .btn-on-grad:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(0,0,0,.22)}
  .btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
  .btn-outline-white:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

  /* ---------- 相关分类互链 ---------- */
  .chip-row{display:flex;flex-wrap:wrap;gap:10px}
  .chip{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 18px;border-radius:999px;background:#fff;
    border:1px solid var(--bd);font-size:14px;font-weight:600;color:var(--t-sub);
    transition:all var(--dur) var(--ease);
  }
  .chip:hover{border-color:rgba(255,90,60,.4);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
  .chip svg{width:14px;height:14px}

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:8px;background:#1B1035;color:#fff;position:relative}
  .footer-line{height:4px;background:var(--grad)}
  .footer-main{padding:56px 0 34px}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
  .footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
  .footer-logo .brand-mark{box-shadow:none}
  .footer-desc{font-size:13.8px;color:rgba(255,255,255,.66);margin-top:16px;max-width:340px;line-height:1.85}
  .footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em}
  .footer-list{margin-top:16px;display:flex;flex-direction:column;gap:11px}
  .footer-list a{
    font-size:13.8px;color:rgba(255,255,255,.72);
    transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
    display:inline-block;
  }
  .footer-list a:hover{color:#FF7A5E;transform:translateX(2px)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;display:flex;flex-direction:column;gap:10px;
    font-size:12.8px;color:rgba(255,255,255,.55);
  }
  @media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

  /* ---------- 辅助 ---------- */
  .divider-grad{height:1px;background:linear-gradient(90deg,transparent,rgba(255,90,60,.35),rgba(168,85,247,.35),transparent)}
  .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}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.01ms!important;transition-duration:.01ms!important}
    html{scroll-behavior:auto}
  }

/* roulang page: article */
:root{
  --brand-1:#FF5A3C;
  --brand-2:#A855F7;
  --lime:#C6FF3D;
  --bg:#FFF7F2;
  --bg-alt:#F3EEFF;
  --card:#FFFFFF;
  --ink:#1B1035;
  --ink-2:#5B5470;
  --ink-3:#8B8598;
  --line:rgba(27,16,53,.08);
  --grad:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,90,60,.10) 0%,rgba(168,85,247,.12) 100%);
  --radius:20px;
  --radius-lg:28px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(27,16,53,.06);
  --shadow-hover:0 16px 40px rgba(255,90,60,.16);
  --dur:200ms;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,90,60,.45);outline-offset:2px;border-radius:10px}
.num{font-family:Inter,system-ui,-apple-system,sans-serif;font-variant-numeric:tabular-nums}

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

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;display:flex;align-items:center;gap:18px;
  padding:8px 8px 8px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  backdrop-filter:saturate(180%) blur(18px);
  border:1px solid var(--line);
  box-shadow:0 8px 24px rgba(27,16,53,.06);
  transition:background var(--dur) ease-out, box-shadow var(--dur) ease-out;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.93);box-shadow:0 14px 34px rgba(27,16,53,.14)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,90,60,.32);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:color var(--dur) ease-out, background var(--dur) ease-out;
}
.nav-link:hover{background:var(--grad-soft);color:var(--brand-1)}
.nav-link.active{color:var(--brand-1)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--radius-pill);display:none;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:#fff;border:1px solid var(--line);transition:box-shadow var(--dur) ease-out;
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--dur) ease-out,opacity var(--dur) ease-out}
.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)}
.mobile-panel{
  position:fixed;top:92px;left:16px;right:16px;z-index:90;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:24px;padding:14px;
  box-shadow:0 24px 56px rgba(27,16,53,.2);
  display:flex;flex-direction:column;gap:4px;
}
.mobile-panel[hidden]{display:none}
.mobile-link{padding:13px 16px;border-radius:14px;font-weight:600;color:var(--ink-2);transition:background var(--dur),color var(--dur)}
.mobile-link:hover{background:#FFF1EC;color:var(--brand-1)}
.mobile-link.active{background:var(--grad-soft);color:var(--brand-1)}
.mobile-cta{margin-top:10px;width:100%}
@media (min-width:1025px){.mobile-panel{display:none!important}}
@media (max-width:768px){
  .nav-menu{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .nav-shell{padding:8px 8px 8px 14px;gap:8px}
  .brand-text{font-size:15.5px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:700;letter-spacing:.2px;
  padding:14px 28px;white-space:nowrap;
  transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,background var(--dur) ease-out,filter var(--dur) ease-out,border-color var(--dur) ease-out;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,60,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,60,.36);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand-1);padding:13px 26px}
.btn-ghost:hover{
  transform:translateY(-2px);
  background:linear-gradient(#FFF1EC,#FFF1EC) padding-box, var(--grad) border-box;
  border:1px solid transparent;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--brand-1);font-weight:700;text-decoration:underline;text-underline-offset:3px;transition:color var(--dur)}
.text-link:hover{color:var(--brand-2)}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;color:#D8412A;background:var(--grad-soft);border:1px solid rgba(255,90,60,.22);
}
.pill-plain{color:var(--ink-2);background:#fff;border:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;color:#D8412A;background:var(--grad-soft);border:1px solid rgba(255,90,60,.22);
}
.badge-lime{color:#4A6B00;background:rgba(198,255,61,.3);border-color:rgba(120,170,0,.32)}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-1);animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,90,60,.5)}70%{box-shadow:0 0 0 8px rgba(255,90,60,0)}100%{box-shadow:0 0 0 0 rgba(255,90,60,0)}}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,border-color var(--dur) ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,60,.28)}

/* ============ 文章头部 ============ */
.article-hero{
  padding:136px 0 48px;
  background-image:linear-gradient(180deg,rgba(255,247,242,.94),rgba(255,247,242,.99)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
.crumb a{color:var(--ink-2);transition:color var(--dur)}
.crumb a:hover{color:var(--brand-1)}
.crumb-sep{color:rgba(27,16,53,.24)}
.crumb-current{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.article-hero h1{
  font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.22;font-weight:800;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  max-width:22ch;
}
@media (min-width:768px){.article-hero h1{max-width:30ch}}
.hero-sub{margin-top:16px;color:var(--ink-2);font-size:16px;max-width:62ch}
.hero-info{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;font-size:13.5px;color:var(--ink-3)}
.hero-info span{display:inline-flex;align-items:center;gap:7px}
.hero-info svg{width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.cover-wrap{
  margin-top:34px;border-radius:24px;padding:1px;background:var(--grad);
  box-shadow:0 18px 44px rgba(27,16,53,.12);
}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:23px;background:#F3EEFF}

/* ============ 文章主体布局 ============ */
.article-body{padding:56px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px}
  .article-body{padding:72px 0 12px}
}
.article-main{min-width:0}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:28px 22px;
}
@media (min-width:768px){.article-panel{padding:44px 44px 40px}}

/* 正文排版 */
.article-content{overflow-wrap:break-word;font-size:16px;line-height:1.85;color:#332A4A}
.article-content>p{margin:0 0 1.15em}
.article-content h2{
  position:relative;padding-left:18px;font-size:1.3rem;line-height:1.5;
  margin:2.2em 0 .9em;color:var(--ink);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:999px;background:var(--grad);
}
.article-content h2:first-child{margin-top:0}
.article-content h3{font-size:1.06rem;margin:1.7em 0 .7em;color:var(--ink)}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:0}
.article-content li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-content ul>li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.article-content ol{counter-reset:item}
.article-content ol>li{counter-increment:item}
.article-content ol>li::before{
  content:counter(item);position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:6px;
  display:grid;place-items:center;font-size:11px;font-weight:800;color:#fff;background:var(--grad);
}
.article-content a{color:var(--brand-1);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--brand-2)}
.article-content strong{color:var(--ink);font-weight:800}
.article-content blockquote{
  margin:1.5em 0;padding:18px 22px;border-radius:16px;
  background:#FFF1EC;border-left:4px solid;border-image:var(--grad) 1;
  color:#4A3F63;font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:18px;margin:1.6em auto;box-shadow:0 10px 28px rgba(27,16,53,.1)}
.article-content figure{margin:1.8em 0}
.article-content figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:18px;overflow:hidden;display:block;overflow-x:auto;
}
.article-content thead{background:var(--bg-alt)}
.article-content th,.article-content td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-content tbody tr:nth-child(even){background:rgba(243,238,255,.35)}
.article-content tbody tr:last-child td{border-bottom:none}
.article-content pre{
  background:#1B1035;color:#EDE7FF;padding:18px 20px;border-radius:16px;overflow-x:auto;
  font-size:13.5px;line-height:1.7;
}
.article-content hr{border:none;height:1px;background:linear-gradient(90deg,transparent,rgba(255,90,60,.4),transparent);margin:2.4em 0}

.notice{
  display:flex;gap:12px;padding:16px 18px;border-radius:16px;margin:1.6em 0;font-size:15px;
  background:rgba(198,255,61,.2);border:1px solid rgba(120,170,0,.25);color:#3D5600;
}
.notice.warn{background:#FFF1EC;border-color:rgba(255,90,60,.28);color:#8C3320}
.notice svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px}

/* 空态 */
.empty-state{text-align:center;padding:48px 20px}
.empty-state svg{width:52px;height:52px;margin:0 auto 18px;stroke:var(--brand-1);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.empty-state h2{font-size:1.25rem;margin-bottom:10px}
.empty-state p{color:var(--ink-2);margin-bottom:22px}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px dashed var(--line)}
.tag{
  padding:7px 15px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;
  color:var(--ink-2);background:#fff;border:1px solid var(--line);
  transition:color var(--dur),border-color var(--dur),background var(--dur),transform var(--dur);
}
.tag:hover{color:var(--brand-1);border-color:rgba(255,90,60,.35);background:#FFF1EC;transform:translateY(-2px)}

/* 上下篇 */
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:34px}
@media (min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,60,.3)}
.pager-card.next{text-align:right}
.pager-label{font-size:12.5px;font-weight:700;color:var(--brand-1);letter-spacing:.5px}
.pager-title{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}

/* 相关推荐 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:52px 0 22px}
.section-head h2{font-size:clamp(1.25rem,2.2vw,1.6rem)}
.section-head p{color:var(--ink-2);font-size:14px;margin:6px 0 0}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur)}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,60,.3)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:18px 20px 20px}
.related-card h3{font-size:16px;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--ink-3)}
.back-row{margin-top:30px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:104px;align-self:start}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:22px}
.side-title{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800;color:var(--ink);margin-bottom:16px}
.side-title::before{content:"";width:5px;height:16px;border-radius:999px;background:var(--grad)}
.toc-link{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);transition:background var(--dur),color var(--dur),transform var(--dur);
}
.toc-link::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(27,16,53,.18);transition:background var(--dur)}
.toc-link:hover{background:#FFF1EC;color:var(--brand-1);transform:translateX(2px)}
.toc-link:hover::before{background:var(--brand-1)}
.toc-link.is-active{background:var(--grad-soft);color:var(--brand-1);font-weight:700}
.toc-link.is-active::before{background:var(--brand-1)}
.hot-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);transition:transform var(--dur)}
.hot-item:last-child{border-bottom:none;padding-bottom:0}
.hot-item:hover{transform:translateX(3px)}
.hot-num{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#fff;background:var(--grad);
}
.hot-item:nth-child(3) .hot-num{background:linear-gradient(120deg,#A855F7,#C6FF3D);color:#2A1A00}
.hot-item:nth-child(4) .hot-num{background:#F3EEFF;color:var(--ink-2)}
.hot-text{font-size:14px;font-weight:600;color:var(--ink-2);line-height:1.6;transition:color var(--dur)}
.hot-item:hover .hot-text{color:var(--brand-1)}
.hot-meta{display:block;font-size:12px;color:var(--ink-3);font-weight:500;margin-top:2px}
.side-member{
  border-radius:24px;padding:24px 22px;
  background:linear-gradient(#fff,#fff) padding-box, var(--grad) border-box;
  border:1px solid transparent;
  box-shadow:0 14px 34px rgba(168,85,247,.14);
}
.side-member h3{font-size:17px;margin-bottom:8px}
.side-member p{font-size:13.5px;color:var(--ink-2);margin-bottom:16px}
.side-member .badge{margin-bottom:14px}
.side-member .btn{width:100%;padding:12px 20px;font-size:14.5px}

/* 底部 CTA */
.cta-band{padding:64px 0 0}
@media (min-width:1024px){.cta-band{padding:80px 0 0}}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:36px 26px;
  background:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
  color:#fff;display:grid;gap:24px;align-items:center;
  box-shadow:0 24px 56px rgba(255,90,60,.26);
}
@media (min-width:900px){.cta-inner{grid-template-columns:1.6fr 1fr;padding:52px 48px}}
.cta-inner::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.cta-inner h2{font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.35;color:#fff}
.cta-inner p{margin:12px 0 18px;color:rgba(255,255,255,.92);font-size:15.5px;max-width:56ch}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  font-size:13px;font-weight:700;color:#fff;
}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-primary{background:#fff;color:#D8412A;box-shadow:0 12px 26px rgba(27,16,53,.18)}
.cta-actions .btn-primary:hover{background:#FFF1EC;filter:none}
.cta-actions .btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;background-image:none}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:#1B1035;color:rgba(255,255,255,.72);margin-top:88px}
.footer-line{height:4px;background:var(--grad)}
.footer-main{padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:38px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr}}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-logo .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:38ch}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--dur),transform var(--dur)}
.footer-list a:hover{color:#FF5A3C;transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:520px){
  .article-hero{padding:118px 0 36px}
  .brand-text{font-size:14.5px}
  .btn{padding:13px 22px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A3C;
  --brand-2:#A855F7;
  --lime:#C6FF3D;
  --bg:#FFF7F2;
  --bg-alt:#F3EEFF;
  --card:#FFFFFF;
  --ink:#1B1035;
  --ink-2:#5B5470;
  --ink-3:#8B8598;
  --border:rgba(27,16,53,.08);
  --grad:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
  --r-card:20px;
  --r-big:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(27,16,53,.06);
  --sh-hover:0 16px 40px rgba(255,90,60,.16);
  --t:200ms ease-out;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  padding-top:96px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
svg{display:block;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(255,90,60,.55);outline-offset:2px;border-radius:8px;}

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

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px;pointer-events:none;
}
.header-inner{
  pointer-events:auto;
  max-width:var(--container);margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--border);
  box-shadow:var(--sh);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.scrolled .header-inner{
  background:rgba(255,255,255,.92);
  box-shadow:0 12px 32px rgba(27,16,53,.12);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);box-shadow:0 6px 16px rgba(255,90,60,.28);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.3px;white-space:nowrap;}
.brand-accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

.nav-menu{display:none;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background var(--t),color var(--t);
  white-space:nowrap;
}
.nav-link:hover{background:linear-gradient(120deg,rgba(255,90,60,.10),rgba(168,85,247,.10));color:var(--brand);}
.nav-link.active{
  font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
@media (min-width:1024px){
  .nav-menu{display:flex;margin-left:16px;}
  .header-actions{margin-left:8px;}
}
.menu-toggle{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--border);background:#fff;transition:var(--t);
}
.menu-toggle:hover{border-color:rgba(255,90,60,.4);background:#FFF1EC;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:var(--t);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
@media (min-width:1024px){.menu-toggle{display:none;}}

.mobile-panel{
  position:absolute;right:16px;top:76px;width:min(320px,calc(100vw - 32px));
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--border);border-radius:24px;box-shadow:0 20px 44px rgba(27,16,53,.16);
  padding:12px;pointer-events:auto;
  opacity:0;transform:translateY(-8px) scale(.98);visibility:hidden;
  transition:opacity 180ms ease-out,transform 180ms ease-out,visibility 180ms;
}
.mobile-panel.open{opacity:1;transform:translateY(0) scale(1);visibility:visible;}
.mobile-panel .m-link{
  display:block;padding:12px 14px;border-radius:14px;font-weight:600;color:var(--ink);
  transition:background var(--t),color var(--t);
}
.mobile-panel .m-link:hover{background:#FFF1EC;color:var(--brand);}
.mobile-panel .m-link.active{background:var(--grad);color:#fff;}
.mobile-panel .m-divider{height:1px;background:var(--border);margin:8px 6px;}
.mobile-panel .btn{width:100%;justify-content:center;margin-top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.2px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,60,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,90,60,.34);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(255,90,60,.35);}
.btn-ghost:hover{background:#FFF1EC;border-color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}

.text-link{
  color:var(--brand);font-weight:700;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px;
  transition:color var(--t);
}
.text-link:hover{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-decoration-color:rgba(168,85,247,.8);
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;
  background:linear-gradient(120deg,rgba(255,90,60,.10),rgba(168,85,247,.10));
  border:1px solid rgba(255,90,60,.30);color:var(--brand);
}
.badge .b-num{font-weight:800;font-variant-numeric:tabular-nums;}
.badge-soft{
  background:#F3EEFF;border-color:rgba(168,85,247,.22);color:#6D28D9;
}
.badge-lime{
  background:rgba(198,255,61,.28);border-color:rgba(198,255,61,.9);color:#3D4A00;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);position:relative;}
.dot::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(255,90,60,.35);
  animation:pulse 2s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.6);opacity:.9;}100%{transform:scale(1.4);opacity:0;}}

/* ---------- 页面头 ---------- */
.crumb{font-size:13.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(27,16,53,.25);}

.page-head{
  position:relative;padding:48px 0 64px;
}
.page-head-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:1024px){.page-head-grid{grid-template-columns:1.15fr .85fr;gap:48px;}}
.page-head h1{
  font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.18;margin:14px 0 16px;
}
.page-head h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.lede{font-size:16.5px;color:var(--ink-2);max-width:60ch;}
.head-media{
  position:relative;border-radius:var(--r-big);overflow:hidden;aspect-ratio:16/11;
  box-shadow:var(--sh);border:1px solid rgba(255,90,60,.18);
}
.head-media img{width:100%;height:100%;object-fit:cover;}
.head-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,16,53,0) 45%,rgba(27,16,53,.42) 100%);
}
.head-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:16px;padding:10px 14px;
  display:flex;align-items:center;gap:10px;box-shadow:0 10px 26px rgba(27,16,53,.18);
}
.head-float strong{display:block;font-size:14px;line-height:1.2;}
.head-float small{font-size:12px;color:var(--ink-3);}

.metric-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- 区块 ---------- */
section{border-top:1px solid var(--border);}
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.15rem);margin-bottom:12px;}
.section-head p{color:var(--ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}

/* ---------- 条目列表（左图右文） ---------- */
.entry-list{display:flex;flex-direction:column;}
.entry{
  display:grid;grid-template-columns:1fr;gap:20px;
  padding:28px 0;position:relative;
}
.entry + .entry::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,90,60,.45),rgba(168,85,247,.35) 55%,rgba(27,16,53,0) 100%);
}
@media (min-width:768px){
  .entry{grid-template-columns:300px 1fr;gap:32px;padding:34px 0;align-items:start;}
}
@media (min-width:1024px){
  .entry{grid-template-columns:340px 1fr;gap:40px;}
}
.entry-media{
  border-radius:18px;overflow:hidden;aspect-ratio:4/3;border:1px solid var(--border);
  background:#F3EEFF;box-shadow:var(--sh);transition:transform var(--t),box-shadow var(--t);
}
.entry-media img{width:100%;height:100%;object-fit:cover;}
.entry:hover .entry-media{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.entry-body h3{font-size:1.28rem;margin:12px 0 10px;}
.entry-body p{color:var(--ink-2);margin-bottom:14px;}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:6px;}
.entry-meta .text-link{font-size:14.5px;}

/* ---------- 步骤时间轴 ---------- */
.steps{position:relative;display:flex;flex-direction:column;gap:0;}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:22px 0;position:relative;
}
@media (min-width:768px){.step{grid-template-columns:72px 1fr;gap:26px;}}
.step-num{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  font-variant-numeric:tabular-nums;box-shadow:0 10px 24px rgba(255,90,60,.22);
}
@media (min-width:768px){.step-num{width:64px;height:64px;border-radius:20px;font-size:20px;}}
.step:not(:last-child) .step-line{
  position:absolute;left:27px;top:78px;bottom:-8px;width:2px;
  background:repeating-linear-gradient(180deg,rgba(255,90,60,.5) 0 6px,transparent 6px 12px);
}
@media (min-width:768px){.step:not(:last-child) .step-line{left:31px;}}
.step h3{font-size:1.15rem;margin-bottom:8px;}
.step p{color:var(--ink-2);margin-bottom:10px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{box-shadow:var(--sh-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-weight:700;font-size:16px;color:var(--ink);
}
.faq-bar{width:4px;height:22px;border-radius:3px;background:var(--grad);flex:0 0 auto;}
.faq-text{flex:1;}
.faq-icon{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:#FFF1EC;color:var(--brand);transition:transform var(--t),background var(--t);
}
.faq-icon svg{width:14px;height:14px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height 260ms ease-out,opacity 200ms ease-out,padding 200ms ease-out;
  padding:0 20px 0 38px;
}
.faq-item.open .faq-a{max-height:360px;opacity:1;padding:0 20px 20px 38px;}
.faq-a p{color:var(--ink-2);font-size:15px;}

/* ---------- 相关分类胶囊 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:var(--t);
}
.pill:hover{border-color:rgba(255,90,60,.5);background:#FFF1EC;color:var(--brand);transform:translateY(-2px);}
.pill svg{width:14px;height:14px;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  background:var(--grad);color:#fff;padding:38px 28px;
  box-shadow:0 22px 48px rgba(168,85,247,.24);
}
@media (min-width:768px){.cta-card{padding:52px 48px;}}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card::after{
  content:"";position:absolute;left:-60px;bottom:-110px;width:220px;height:220px;border-radius:50%;
  background:rgba(198,255,61,.16);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.35fr .65fr;gap:40px;}}
.cta-card h2{font-size:clamp(1.5rem,2.6vw,2.1rem);color:#fff;margin-bottom:12px;}
.cta-card p{color:rgba(255,255,255,.9);max-width:56ch;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-badges .badge{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45);color:#fff;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-actions .btn-light{background:#fff;color:var(--brand);}
.cta-actions .btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(27,16,53,.22);}
.cta-note{font-size:13px;color:rgba(255,255,255,.78);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B1035;color:#fff;position:relative;margin-top:8px;}
.footer-line{height:4px;background:var(--grad);}
.site-footer .container{padding-top:56px;padding-bottom:26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:16px;}
.footer-logo .brand-mark{box-shadow:none;}
.footer-logo .brand-accent{background:linear-gradient(120deg,#FF8A6E,#C99BFF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-desc{color:rgba(255,255,255,.66);font-size:14.5px;max-width:44ch;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{
  color:rgba(255,255,255,.72);font-size:14.5px;transition:color var(--t),transform var(--t);
}
.footer-list a:hover{color:#FF8A6E;transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动端细化 ---------- */
@media (max-width:520px){
  body{padding-top:88px;}
  .page-head{padding:32px 0 48px;}
  .brand-text{font-size:15px;}
  .entry-body h3{font-size:1.14rem;}
  .btn{padding:11px 18px;font-size:14.5px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A3C;
  --brand-2:#A855F7;
  --lime:#C6FF3D;
  --bg:#FFF7F2;
  --bg-alt:#F3EEFF;
  --card:#FFFFFF;
  --ink:#1B1035;
  --ink-2:#5B5470;
  --ink-3:#8B8598;
  --line:rgba(27,16,53,.08);
  --line-strong:rgba(27,16,53,.14);
  --grad:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,90,60,.10),rgba(168,85,247,.10));
  --shadow-1:0 8px 24px rgba(27,16,53,.06);
  --shadow-2:0 16px 40px rgba(255,90,60,.16);
  --r-card:20px;
  --r-lg:30px;
  --r-pill:999px;
  --dur:.2s;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

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

/* ---------- 顶部悬浮导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:80;
  padding:0 16px;
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  min-height:64px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 12px 8px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.93);
  box-shadow:0 14px 34px rgba(27,16,53,.12);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:800;
  font-size:16px;
  letter-spacing:.3px;
  white-space:nowrap;
}
.brand-mark{
  width:30px;height:30px;
  border-radius:10px;
  display:inline-grid;
  place-items:center;
  background:var(--grad);
  box-shadow:0 6px 16px rgba(255,90,60,.28);
  flex:none;
}
.brand-mark svg{width:19px;height:19px;}
.brand-accent{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{
  color:var(--brand);
  background:var(--grad-soft);
}
.nav-link:focus-visible{
  outline:3px solid rgba(255,90,60,.35);
  outline-offset:2px;
}
.nav-link.active{
  color:var(--brand);
  font-weight:700;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;
  border-radius:var(--r-pill);
  background:var(--grad);
}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  position:relative;
  transition:background var(--dur) var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform var(--dur) var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  display:none;
  max-width:1200px;
  margin:10px auto 0;
  padding:14px;
  border-radius:24px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(27,16,53,.14);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;
  padding:12px 14px;
  border-radius:14px;
  font-size:15px;
  color:var(--ink-2);
  font-weight:500;
}
.mobile-panel a:hover{background:var(--grad-soft);color:var(--brand);}
.mobile-panel .divider{height:1px;background:var(--line);margin:10px 4px;}
.mobile-panel .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.3px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,60,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  filter:brightness(1.05);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{
  background:#FFF1EC;
  border-color:rgba(255,90,60,.5);
  transform:translateY(-2px);
}
.btn:focus-visible{
  outline:3px solid rgba(255,90,60,.4);
  outline-offset:3px;
}
.btn-line{
  color:#fff;
  border:1px solid rgba(255,255,255,.55);
  background:rgba(255,255,255,.10);
}
.btn-line:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--grad-soft);
  border:1px solid rgba(255,90,60,.24);
}
.badge .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(255,90,60,.18);
}
.badge b{font-size:15px;font-weight:800;color:var(--ink);}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-2);
  background:rgba(168,85,247,.10);
  border:1px solid rgba(168,85,247,.22);
}
.tag-lime{
  color:#5B6B12;
  background:rgba(198,255,61,.28);
  border-color:rgba(198,255,61,.6);
}

/* ---------- 首屏 ---------- */
.hero{
  padding:128px 0 72px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(27,16,53,.28);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2rem,4.2vw,3.2rem);
  line-height:1.18;
  font-weight:800;
  letter-spacing:.4px;
}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:20px;
  font-size:clamp(1rem,1.3vw,1.125rem);
  color:var(--ink-2);
  max-width:34em;
}
.hero-actions{
  display:flex;
  gap:14px;
  margin-top:32px;
  flex-wrap:wrap;
}
.hero-badges{
  display:flex;
  gap:12px;
  margin-top:34px;
  flex-wrap:wrap;
}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  padding:10px;
  background:var(--grad);
  box-shadow:0 24px 60px rgba(27,16,53,.14);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:24px;
}
.float-card{
  position:absolute;
  left:-14px;
  bottom:26px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:0 14px 32px rgba(27,16,53,.14);
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
}
.float-card .ico{
  width:30px;height:30px;border-radius:10px;
  background:var(--grad-soft);
  display:grid;place-items:center;
  color:var(--brand);
  font-weight:800;
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  line-height:1.3;
}
.section-head p{
  margin-top:14px;
  color:var(--ink-2);
  font-size:15.5px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.6px;
  color:var(--brand);
  margin-bottom:14px;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;border-radius:3px;
  background:var(--grad);
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;}
.step{
  position:relative;
  display:grid;
  grid-template-columns:88px 1fr;
  gap:28px;
  padding:30px 0;
  border-bottom:1px dashed rgba(27,16,53,.12);
}
.step:last-child{border-bottom:0;}
.step:nth-child(even){margin-left:36px;}
.step:not(:first-child)::before{
  content:"";
  position:absolute;
  left:31px;
  top:-30px;
  height:30px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(255,90,60,.55),rgba(168,85,247,.35));
}
.step-num{
  width:64px;height:64px;
  border-radius:20px;
  display:grid;
  place-items:center;
  background:var(--grad);
  color:#fff;
  font-size:22px;
  font-weight:800;
  box-shadow:0 12px 28px rgba(255,90,60,.24);
}
.step-body h3{
  font-size:1.25rem;
  margin-bottom:10px;
}
.step-body p{
  color:var(--ink-2);
  font-size:15.5px;
}
.step-points{
  margin-top:14px;
  display:grid;
  gap:8px;
}
.step-points li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--ink-2);
}
.step-points li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--grad);
}
.step-meta{
  display:flex;
  gap:10px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.step-media{
  margin-top:20px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
}
.step-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}

/* ---------- 检查清单卡 ---------- */
.check-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.check-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.check-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(255,90,60,.4);
}
.check-card .ico{
  width:44px;height:44px;
  border-radius:14px;
  display:grid;place-items:center;
  background:var(--grad-soft);
  color:var(--brand);
  font-weight:800;
  margin-bottom:16px;
}
.check-card h3{
  font-size:1.0625rem;
  margin-bottom:10px;
}
.check-card p{
  font-size:14.5px;
  color:var(--ink-2);
}

/* ---------- 异常处理 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.path-list{display:grid;gap:16px;margin-top:8px;}
.path-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px;
  padding:18px 20px;
  border-radius:18px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.path-item:hover{border-color:rgba(168,85,247,.4);transform:translateY(-2px);}
.path-item .mark{
  width:30px;height:30px;
  border-radius:10px;
  background:rgba(198,255,61,.35);
  color:#5B6B12;
  font-weight:800;
  font-size:14px;
  display:grid;place-items:center;
}
.path-item h4{font-size:15.5px;margin-bottom:6px;}
.path-item p{font-size:14px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item.is-open{border-color:rgba(255,90,60,.42);box-shadow:0 16px 36px rgba(255,90,60,.10);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  text-align:left;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--ink);
}
.faq-q::before{
  content:"";
  width:4px;
  align-self:stretch;
  min-height:22px;
  border-radius:4px;
  background:var(--grad);
  flex:none;
}
.faq-q .chev{
  margin-left:auto;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad-soft);
  color:var(--brand);
  font-size:15px;
  font-weight:800;
  transition:transform var(--dur) var(--ease);
  flex:none;
}
.faq-item.is-open .faq-q .chev{transform:rotate(45deg);}
.faq-q:focus-visible{outline:3px solid rgba(255,90,60,.35);outline-offset:-3px;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a .inner{
  padding:0 22px 22px 40px;
  color:var(--ink-2);
  font-size:15px;
  opacity:0;
  transform:translateY(-4px);
  transition:opacity .24s var(--ease) .04s,transform .24s var(--ease) .04s;
}
.faq-item.is-open .faq-a .inner{opacity:1;transform:none;}

/* ---------- 相关分类胶囊 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.chip span.arrow{color:var(--brand);font-weight:800;}
.chip:hover{
  transform:translateY(-3px);
  border-color:rgba(255,90,60,.5);
  color:var(--brand);
  box-shadow:var(--shadow-2);
}
.chip:focus-visible{outline:3px solid rgba(255,90,60,.35);outline-offset:3px;}

/* ---------- 通栏 CTA ---------- */
.cta-card{
  position:relative;
  border-radius:var(--r-lg);
  padding:56px;
  background:var(--grad);
  color:#fff;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:32px;
  align-items:center;
  box-shadow:0 26px 60px rgba(168,85,247,.24);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card h2{font-size:clamp(1.4rem,2.4vw,2rem);}
.cta-card p{margin-top:14px;color:rgba(255,255,255,.9);font-size:15.5px;max-width:36em;}
.cta-badges{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.cta-badges .cap{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.35);
  font-size:13px;
  font-weight:600;
}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.cta-actions .btn{width:100%;}
.cta-actions .btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:#fff;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#1B1035;
  color:rgba(255,255,255,.82);
  margin-top:96px;
}
.footer-line{height:4px;background:var(--grad);}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 44px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.68);
  max-width:32em;
}
.footer-title{
  color:#fff;
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
}
.footer-list a{
  display:block;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-list a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 40px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding-top:118px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step:nth-child(even){margin-left:0;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .hero{padding:112px 0 56px;}
  .step{grid-template-columns:64px 1fr;gap:18px;}
  .step-num{width:52px;height:52px;border-radius:16px;font-size:18px;}
  .step:not(:first-child)::before{left:25px;}
  .hero-actions .btn{width:100%;}
  .faq-q{font-size:1rem;padding:18px;}
  .faq-a .inner{padding:0 18px 20px 34px;}
}
@media (max-width:520px){
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-card{padding:30px 22px;}
  .float-card{left:8px;bottom:14px;}
  .hero-badges .badge{font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A3C;
  --brand-deep:#E8432A;
  --grape:#A855F7;
  --lime:#C6FF3D;
  --bg:#FFF7F2;
  --bg-soft:#F3EEFF;
  --card:#FFFFFF;
  --ink:#1B1035;
  --ink-2:#5B5470;
  --ink-3:#8B8598;
  --line:rgba(27,16,53,.08);
  --grad:linear-gradient(120deg,#FF5A3C 0%,#A855F7 100%);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:32px;
  --sh-1:0 8px 24px rgba(27,16,53,.06);
  --sh-2:0 16px 40px rgba(255,90,60,.16);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-top:104px;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
svg{display:block;}

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

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:16px;left:0;right:0;
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  padding:0 12px 0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:0 8px 24px rgba(27,16,53,.06);
  transition:var(--t);
}
.site-header.scrolled .header-inner{
  background:rgba(255,255,255,.92);
  box-shadow:0 14px 34px rgba(27,16,53,.12);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(255,90,60,.28);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.brand-accent{color:var(--brand);}

.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px 10px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  transition:var(--t);
  white-space:nowrap;
}
.nav-link:hover{
  background:linear-gradient(120deg,rgba(255,90,60,.12),rgba(168,85,247,.12));
  color:var(--brand-deep);
}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:3px;
  transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;
  background:var(--grad);
}
.nav-link:focus-visible{outline:3px solid rgba(255,90,60,.32);outline-offset:2px;}

.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:var(--t);
}
.nav-toggle:hover{border-color:rgba(255,90,60,.45);}
.nav-toggle:focus-visible{outline:3px solid rgba(255,90,60,.32);outline-offset:2px;}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle span+span{margin-top:4px;}

.mobile-mask{
  position:fixed;inset:0;
  background:rgba(27,16,53,.28);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;
  transition:var(--t);
  z-index:55;
}
.mobile-mask.open{opacity:1;pointer-events:auto;}
.mobile-panel{
  position:fixed;
  top:90px;right:16px;
  width:min(320px,calc(100% - 32px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:14px;
  box-shadow:0 24px 60px rgba(27,16,53,.18);
  z-index:60;
  opacity:0;visibility:hidden;
  transform:translateY(-10px);
  transition:var(--t);
}
.mobile-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.m-link{
  display:block;
  padding:12px 14px;
  border-radius:14px;
  font-size:15px;
  color:var(--ink-2);
  transition:var(--t);
}
.m-link:hover{background:rgba(255,90,60,.08);color:var(--brand-deep);}
.m-link.active{background:linear-gradient(120deg,rgba(255,90,60,.14),rgba(168,85,247,.14));color:var(--brand-deep);font-weight:700;}
.m-divider{height:1px;background:var(--line);margin:10px 4px;}
.m-cta{width:100%;margin-top:4px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:700;
  cursor:pointer;
  transition:var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,60,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,90,60,.34);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:3px solid rgba(255,90,60,.35);outline-offset:2px;}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--brand-deep);
}
.btn-ghost:hover{background:#FFF1EC;border-color:rgba(255,90,60,.5);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(255,90,60,.32);outline-offset:2px;}
.btn-light{
  background:#fff;color:var(--brand-deep);
  box-shadow:0 12px 28px rgba(27,16,53,.2);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(27,16,53,.26);}
.btn-light:focus-visible{outline:3px solid rgba(255,255,255,.7);outline-offset:3px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;font-weight:700;
  color:var(--brand-deep);
  background:linear-gradient(120deg,rgba(255,90,60,.12),rgba(168,85,247,.12));
  border:1px solid rgba(255,90,60,.24);
}
.sec{padding:88px 0;}
.sec-tight{padding:64px 0;}
.sec-soft{background:var(--bg-soft);}
@media (max-width:1023px){ .sec{padding:68px 0;} .sec-tight{padding:52px 0;} }
@media (max-width:639px){ .sec{padding:54px 0;} .sec-tight{padding:44px 0;} }

.sec-head{max-width:760px;margin-bottom:40px;}
.sec-title{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  margin-top:16px;
}
.sec-sub{margin-top:14px;color:var(--ink-2);font-size:16px;}

.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;
  border-radius:999px;
  font-size:13px;font-weight:700;
  color:var(--brand-deep);
  background:linear-gradient(120deg,rgba(255,90,60,.12),rgba(168,85,247,.12));
  border:1px solid rgba(255,90,60,.26);
  font-variant-numeric:tabular-nums;
}
.badge .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,60,.5);}
  70%{box-shadow:0 0 0 7px rgba(255,90,60,0);}
  100%{box-shadow:0 0 0 0 rgba(255,90,60,0);}
}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--ink-2);
  background:#F7F3FF;
  border:1px solid var(--line);
}
.lock-tag{
  position:absolute;top:14px;right:14px;
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;font-weight:700;
  color:var(--ink);
  background:var(--lime);
  box-shadow:0 6px 14px rgba(198,255,61,.4);
}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",system-ui,-apple-system,sans-serif;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;
  color:var(--brand-deep);
  border-bottom:1px solid rgba(255,90,60,.4);
  padding-bottom:2px;
  transition:var(--t);
}
.link-arrow:hover{color:var(--grape);border-bottom-color:var(--grape);gap:10px;}
.link-arrow:focus-visible{outline:3px solid rgba(255,90,60,.3);outline-offset:3px;border-radius:4px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-2);transition:var(--t);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:rgba(27,16,53,.25);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 页头 ---------- */
.banner{padding:44px 0 0;}
.banner-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  margin-top:28px;
}
.banner-title{
  font-size:clamp(2rem,4.4vw,3rem);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.015em;
  margin-top:20px;
}
.banner-lead{
  margin-top:18px;
  font-size:16.5px;
  color:var(--ink-2);
  max-width:620px;
}
.banner-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

.banner-art{
  position:relative;
  min-height:308px;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(150deg,#F3EEFF 0%,#FFF7F2 72%);
  overflow:hidden;
  display:grid;
  place-items:center;
  box-shadow:var(--sh-1);
}
.art-blob-a,.art-blob-b,.art-ring{position:absolute;}
.art-blob-a{
  width:200px;height:200px;border-radius:50%;
  top:-56px;left:-46px;
  background:radial-gradient(circle at 32% 32%,rgba(255,90,60,.38),transparent 70%);
}
.art-blob-b{
  width:240px;height:240px;border-radius:50%;
  bottom:-82px;right:-58px;
  background:radial-gradient(circle at 60% 40%,rgba(168,85,247,.34),transparent 70%);
}
.art-ring{
  width:150px;height:150px;border-radius:50%;
  border:2px dashed rgba(27,16,53,.16);
  top:14%;right:16%;
  animation:spin 30s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.art-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px 30px;
  text-align:center;
  box-shadow:0 16px 40px rgba(27,16,53,.1);
}
.art-card .big{
  display:block;
  font-size:56px;font-weight:800;line-height:1;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-variant-numeric:tabular-nums;
}
.art-card .txt{display:block;margin-top:8px;font-size:14px;color:var(--ink-2);font-weight:600;}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  grid-auto-rows:minmax(160px,auto);
}
.bento-cell{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:var(--t);
  display:flex;
  flex-direction:column;
}
.bento-cell:hover{
  transform:translateY(-4px);
  border-color:rgba(255,90,60,.4);
  box-shadow:var(--sh-2);
}
.bento-a{grid-column:span 2;grid-row:span 2;}
.bento-s1{grid-column:span 1;}
.bento-s2{grid-column:span 1;}
.bento-s3{grid-column:span 1;}
.bento-s4{grid-column:span 1;}
.bento-b{grid-column:span 4;flex-direction:row;align-items:center;gap:32px;}
.bento-b .bento-body{flex:1;}

.bento-media{
  aspect-ratio:16/10;
  width:100%;
  border-radius:18px;
  overflow:hidden;
  margin-bottom:22px;
  background:#F3EEFF;
}
.bento-media img{width:100%;height:100%;object-fit:cover;}
.bento-body{display:flex;flex-direction:column;gap:12px;flex:1;}
.bento-title{
  font-size:1.125rem;
  line-height:1.5;
  font-weight:700;
}
.bento-a .bento-title{font-size:1.4rem;}
.bento-text{font-size:14.8px;color:var(--ink-2);}
.bento-body .link-arrow{margin-top:auto;align-self:flex-start;padding-top:6px;}

/* ---------- 对比卡 ---------- */
.plans{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.plan{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 26px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--sh-1);
  transition:var(--t);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,60,.4);}
.plan.featured{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad) border-box;
  box-shadow:0 20px 44px rgba(255,90,60,.18);
  transform:scale(1.02);
}
.plan.featured:hover{transform:scale(1.02) translateY(-4px);}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.plan-name{font-size:1.2rem;font-weight:800;}
.plan-price{
  display:flex;align-items:baseline;gap:4px;
  margin-top:14px;
  font-weight:800;
  color:var(--ink);
}
.plan-price .amount{
  font-size:2.2rem;line-height:1;
  font-variant-numeric:tabular-nums;
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.plan-price .unit{font-size:14px;color:var(--ink-3);font-weight:600;}
.plan-note{margin-top:8px;font-size:13px;color:var(--ink-3);}
.plan-rows{margin-top:22px;display:flex;flex-direction:column;flex:1;}
.benefit-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;
  border-bottom:1px dashed rgba(27,16,53,.1);
  font-size:14.5px;
}
.benefit-row:last-child{border-bottom:none;}
.benefit-row .label{color:var(--ink-2);}
.benefit-row .state{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.benefit-row .on{color:var(--brand);}
.benefit-row .off{color:rgba(27,16,53,.24);}
.plan-foot{margin-top:24px;}
.plan-foot .tip{display:block;margin-top:10px;font-size:12.5px;color:var(--ink-3);text-align:center;}

/* ---------- 图文混排 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:52px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:4/3;
  background:#F3EEFF;
  box-shadow:var(--sh-1);
  border:1px solid var(--line);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body .sec-title{margin-top:16px;}
.split-body p{margin-top:16px;color:var(--ink-2);}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.check-list .ico{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--grad);
  display:grid;place-items:center;
  margin-top:2px;
}
.check-list .ico svg{width:13px;height:13px;}
.check-list strong{color:var(--ink);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:var(--t);
}
.faq-item:hover{border-color:rgba(255,90,60,.32);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px 18px 24px;
  background:transparent;
  border:0;
  font-size:16.5px;font-weight:700;
  color:var(--ink);
  text-align:left;
  cursor:pointer;
  transition:var(--t);
}
.faq-q::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;
  width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);
}
.faq-q:focus-visible{outline:3px solid rgba(255,90,60,.3);outline-offset:-3px;}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(255,90,60,.3);
  color:var(--brand-deep);
  transition:transform var(--t),background var(--t);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(255,90,60,.1);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-item.open .faq-a{max-height:520px;}
.faq-a-inner{
  padding:0 24px 20px 24px;
  font-size:15px;
  color:var(--ink-2);
  opacity:0;
  transition:opacity 200ms ease-out 60ms;
}
.faq-item.open .faq-a-inner{opacity:1;}

/* ---------- 相关分类互链 ---------- */
.cat-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14.5px;font-weight:600;
  color:var(--ink-2);
  transition:var(--t);
  box-shadow:var(--sh-1);
}
.cat-pill:hover{
  transform:translateY(-2px);
  color:var(--brand-deep);
  border-color:rgba(255,90,60,.45);
  box-shadow:var(--sh-2);
}
.cat-pill[aria-current="page"]{
  color:#fff;
  background:var(--grad);
  border-color:transparent;
  box-shadow:0 12px 28px rgba(255,90,60,.26);
}
.cat-pill:focus-visible{outline:3px solid rgba(255,90,60,.32);outline-offset:3px;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:0 24px 56px rgba(255,90,60,.28);
}
.cta-card::after{
  content:"";
  position:absolute;
  width:280px;height:280px;border-radius:50%;
  right:-90px;top:-110px;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
  pointer-events:none;
}
.cta-body{position:relative;z-index:1;max-width:640px;}
.cta-title{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;font-weight:800;}
.cta-text{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.9);}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;font-weight:700;
  color:#fff;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.4);
  font-variant-numeric:tabular-nums;
}
.cta-action{position:relative;z-index:1;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B1035;color:rgba(255,255,255,.72);}
.footer-line{height:4px;background:var(--grad);}
.footer-main{padding:64px 0 40px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-logo{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:800;
  margin-bottom:18px;
}
.footer-logo .brand-mark{width:32px;height:32px;border-radius:10px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list a{
  display:block;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  transition:var(--t);
}
.footer-list a:hover{color:#FF8968;transform:translateX(2px);}
.footer-list a:focus-visible{outline:3px solid rgba(255,90,60,.5);outline-offset:2px;border-radius:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:22px 0 34px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .banner-grid{grid-template-columns:1fr;gap:32px;}
  .banner-art{min-height:240px;order:2;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-a{grid-column:span 2;grid-row:auto;}
  .bento-b{grid-column:span 2;flex-direction:column;align-items:flex-start;gap:20px;}
  .plans{grid-template-columns:1fr;max-width:600px;margin:0 auto;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-4px);}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;gap:26px;padding:38px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:639px){
  body{padding-top:92px;}
  .bento{grid-template-columns:1fr;}
  .bento-a,.bento-b{grid-column:span 1;}
  .banner-acts{flex-direction:column;align-items:stretch;}
  .banner-acts .btn{width:100%;}
  .cta-card{padding:30px 22px;border-radius:24px;}
  .cta-action,.cta-action .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .bento-cell{padding:22px;}
  .plan{padding:26px 20px;}
}