/* roulang page: index */
:root{
    --brand:#E8402A;
    --brand-ink:#B02A17;
    --accent:#C9F227;
    --accent-2:#0E7C5A;
    --ink:#14161A;
    --ink-soft:#4A4F57;
    --muted:#7C828B;
    --line:#E7E3DA;
    --bg:#F7F5F0;
    --sand:#F0E9DD;
    --surface:#FFFFFF;
    --radius-lg:20px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-card:0 1px 2px rgba(20,22,26,.05), 0 14px 34px -14px rgba(20,22,26,.18);
    --shadow-hover:0 2px 4px rgba(20,22,26,.06), 0 22px 44px -16px rgba(20,22,26,.26);
    --ease:all .28s cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.86;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px;}

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

  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:80px 0;}}
  @media (min-width:1024px){.section{padding:92px 0;}}
  .section-sand{background:var(--sand);}

  .sec-title{font-size:26px;font-weight:700;letter-spacing:-.01em;line-height:1.3;position:relative;padding-left:16px;}
  .sec-title::before{content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:4px;border-radius:999px;background:var(--brand);}
  @media (min-width:768px){.sec-title{font-size:30px;}}
  @media (min-width:1024px){.sec-title{font-size:34px;}}
  .sec-desc{color:var(--ink-soft);font-size:16px;margin-top:12px;max-width:38em;}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;transition:var(--ease);white-space:nowrap;}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(232,64,42,.9);}
  .btn-primary:hover{background:var(--brand-ink);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
  .btn-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
  .btn-light:hover{border-color:var(--accent);color:var(--accent);}
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .btn .arrow{transition:transform .28s;}
  .btn:hover .arrow{transform:translateX(3px);}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;padding:5px 12px;line-height:1.4;}
  .badge-lime{background:var(--accent);color:var(--ink);}
  .badge-green{background:var(--accent-2);color:#fff;}
  .badge-sand{background:var(--sand);color:var(--ink-soft);}
  .badge-solid{background:var(--brand);color:#fff;}
  .pill{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--ink-soft);transition:var(--ease);}
  .pill:hover{border-color:var(--brand);color:var(--brand);}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,240,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
  @media (min-width:768px){.nav-wrap{height:72px;}}
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;letter-spacing:.02em;}
  .brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;}
  .nav-links{display:none;align-items:center;gap:30px;}
  .nav-link{position:relative;font-size:16px;font-weight:600;color:var(--ink-soft);padding:8px 0;transition:color .28s;}
  .nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:3px;border-radius:999px;background:var(--brand);transition:width .28s;}
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{width:28px;}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::after{width:20px;}
  .nav-right{display:flex;align-items:center;gap:14px;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;transition:var(--ease);}
  .nav-toggle:hover{border-color:var(--brand);}
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);margin:2px 0;transition:var(--ease);}
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .nav-cta{display:inline-flex;}
    .nav-toggle{display:none;}
  }
  .mobile-drawer{position:fixed;inset:0;z-index:60;display:none;flex-direction:column;padding:88px 24px 28px;background:rgba(247,245,240,.985);overflow-y:auto;}
  .mobile-drawer.is-open{display:flex;}
  .mobile-drawer::before{content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(201,242,39,.55),rgba(201,242,39,0) 70%);pointer-events:none;}
  .drawer-close{position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;font-size:20px;font-weight:600;}
  .m-link{display:block;font-size:18px;font-weight:700;padding:16px 0;border-bottom:1px solid var(--line);}
  .m-link.is-active{color:var(--brand);}
  .drawer-cta{margin-top:auto;padding-top:28px;}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;padding:44px 0 56px;}
  .hero::before{content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(232,64,42,.14),rgba(232,64,42,0) 68%);pointer-events:none;}
  .track-lines{position:absolute;left:-20px;bottom:20px;width:280px;height:140px;pointer-events:none;opacity:.5;background:repeating-linear-gradient(115deg,var(--line) 0 1px,transparent 1px 26px);transform:skewX(-12deg);}
  .hero-grid{position:relative;display:grid;gap:44px;align-items:center;}
  .hero h1{font-size:32px;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:18px 0 14px;}
  .hero-sub{font-size:17px;color:var(--ink-soft);max-width:34em;line-height:1.8;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px;}
  .trust{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
  .trust-item strong{display:block;font-size:26px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;}
  .trust-item span{font-size:12.5px;color:var(--muted);}
  .trust-item + .trust-item{border-left:1px solid var(--line);padding-left:20px;}
  @media (min-width:768px){
    .hero h1{font-size:40px;}
    .trust-item strong{font-size:30px;}
  }
  @media (min-width:1024px){
    .hero{padding:64px 0 76px;}
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}
    .hero h1{font-size:48px;}
  }

  .phone-stage{position:relative;display:flex;justify-content:center;padding:26px 0;}
  .phone-frame{position:relative;width:min(300px,100%);aspect-ratio:9/16;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-card);background:var(--ink);}
  .phone-frame img{width:100%;height:100%;object-fit:cover;}
  .phone-notch{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:64px;height:5px;border-radius:999px;background:rgba(20,22,26,.55);z-index:4;}
  .phone-shade{position:absolute;left:0;right:0;bottom:0;height:130px;background:linear-gradient(to top,rgba(20,22,26,.9),rgba(20,22,26,0));z-index:2;}
  .phone-meta{position:absolute;left:16px;right:16px;bottom:14px;z-index:4;display:flex;align-items:center;justify-content:space-between;color:#fff;gap:10px;}
  .phone-meta b{font-size:14px;font-weight:600;}
  .phone-meta small{display:block;font-size:12px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums;}
  .play-btn{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.88);display:grid;place-items:center;transition:var(--ease);box-shadow:0 10px 24px -12px rgba(0,0,0,.7);}
  .play-btn::after{content:"";width:0;height:0;border-left:16px solid var(--ink);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px;transition:var(--ease);}
  .play-btn:hover{background:var(--brand);transform:scale(1.06);}
  .play-btn:hover::after{border-left-color:#fff;}
  .mini-card{position:absolute;right:6%;top:12px;width:38%;aspect-ratio:3/4;border-radius:16px;overflow:hidden;border:2px solid var(--accent);box-shadow:var(--shadow-card);transform:rotate(2deg);background:var(--surface);}
  .mini-card img{width:100%;height:100%;object-fit:cover;}
  .rating-pill{position:absolute;left:6%;bottom:26px;display:inline-flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:8px 14px;box-shadow:var(--shadow-card);font-size:13px;font-weight:600;}
  .rating-pill strong{font-size:16px;font-variant-numeric:tabular-nums;}
  @media (max-width:1023px){
    .mini-card,.rating-pill{display:none;}
    .phone-frame{transform:none;}
  }
  @media (min-width:1024px){
    .phone-frame{transform:rotate(-2deg);}
  }

  /* ---------- 跑马灯 ---------- */
  .marquee{position:relative;overflow:hidden;background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;}
  .marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:70px;z-index:2;pointer-events:none;}
  .marquee::before{left:0;background:linear-gradient(to right,var(--sand),rgba(240,233,221,0));}
  .marquee::after{right:0;background:linear-gradient(to left,var(--sand),rgba(240,233,221,0));}
  .marquee-track{display:flex;gap:26px;width:max-content;animation:scroll-x 34s linear infinite;}
  .marquee:hover .marquee-track{animation-play-state:paused;}
  @keyframes scroll-x{from{transform:translateX(0);}to{transform:translateX(-50%);}}
  .marquee-item{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--ink-soft);white-space:nowrap;}
  .marquee-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
  @media (prefers-reduced-motion: reduce){.marquee-track{animation:none;}}

  /* ---------- 片段卡 ---------- */
  .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;}
  .link-more .arrow{transition:transform .28s;}
  .link-more:hover .arrow{transform:translateX(3px);}
  .grid-clips{display:grid;gap:22px;grid-template-columns:1fr;}
  @media (min-width:640px){.grid-clips{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.grid-clips{grid-template-columns:repeat(4,1fr);}}
  .clip-card{display:block;background:var(--surface);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-card);transition:var(--ease);}
  .clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .clip-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--sand);}
  .clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
  .clip-card:hover .clip-thumb img{transform:scale(1.03);}
  .clip-tag{position:absolute;top:12px;left:12px;z-index:3;}
  .clip-dur{position:absolute;right:12px;bottom:12px;z-index:3;background:rgba(20,22,26,.72);color:#fff;font-size:12px;font-weight:600;padding:4px 9px;border-radius:8px;font-variant-numeric:tabular-nums;}
  .clip-shade{position:absolute;left:0;right:0;bottom:0;height:72px;background:linear-gradient(to top,rgba(20,22,26,.62),rgba(20,22,26,0));z-index:2;}
  .clip-play{position:absolute;inset:0;display:grid;place-items:center;z-index:3;}
  .clip-body{padding:16px 18px 18px;}
  .clip-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .28s;}
  .clip-card:hover .clip-title{color:var(--brand);}
  .clip-meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

  /* ---------- 种草清单 ---------- */
  .pick-block{background:var(--sand);border-radius:24px;padding:28px;display:grid;gap:26px;}
  .pick-intro h2{font-size:24px;font-weight:700;line-height:1.3;margin-bottom:12px;}
  .pick-intro p{color:var(--ink-soft);font-size:15.5px;}
  .pick-list{list-style:none;}
  .pick-item{display:flex;align-items:flex-start;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line);transition:transform .28s;}
  .pick-item:last-child{border-bottom:0;padding-bottom:0;}
  .pick-item:hover{transform:translateX(4px);}
  .pick-num{flex:none;width:40px;height:40px;border-radius:10px;background:var(--accent);color:var(--ink);display:grid;place-items:center;font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;transition:var(--ease);}
  .pick-item:hover .pick-num{background:var(--brand);color:#fff;}
  .pick-body h3{font-size:18px;font-weight:700;margin-bottom:4px;}
  .pick-body p{font-size:15px;color:var(--ink-soft);}
  @media (min-width:768px){.pick-block{padding:36px;}}
  @media (min-width:1024px){.pick-block{grid-template-columns:4fr 8fr;gap:40px;padding:40px;}}

  /* ---------- 最新信息 ---------- */
  .news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
  .news-pills{display:flex;gap:10px;flex-wrap:wrap;}
  .news-grid{display:grid;gap:20px;grid-template-columns:1fr;}
  .news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:var(--ease);}
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#dcd6c9;}
  .news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sand);}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
  .news-card:hover .news-thumb img{transform:scale(1.03);}
  .news-body{padding:16px 18px 18px;}
  .news-cat{margin-bottom:10px;}
  .news-title{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .28s;}
  .news-card:hover .news-title{color:var(--brand);}
  .news-sum{font-size:14.5px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
  .news-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
  .news-foot .arrow{transition:transform .28s;color:var(--brand);}
  .news-card:hover .news-foot .arrow{transform:translateX(3px);}
  .news-feature{box-shadow:var(--shadow-card);border-color:transparent;}
  @media (min-width:768px){
    .news-grid{grid-template-columns:repeat(2,1fr);}
    .news-feature{grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr;align-items:stretch;}
    .news-feature .news-thumb{aspect-ratio:auto;height:100%;min-height:230px;}
    .news-feature .news-body{padding:24px;display:flex;flex-direction:column;justify-content:center;}
    .news-feature .news-title{font-size:22px;-webkit-line-clamp:2;}
    .news-feature .news-sum{-webkit-line-clamp:3;font-size:15px;}
  }
  @media (min-width:1024px){
    .news-grid{grid-template-columns:repeat(4,1fr);}
    .news-feature{grid-column:span 2;}
  }
  .news-empty{background:#fff;border:1px dashed var(--line);border-radius:20px;padding:56px 24px;text-align:center;}
  .news-empty .geo{width:54px;height:54px;margin:0 auto 16px;border-radius:16px;border:1.5px solid var(--line);display:grid;place-items:center;}
  .news-empty .geo span{display:block;width:18px;height:18px;border:2px solid var(--muted);border-radius:4px;}
  .news-empty p{color:var(--ink-soft);font-size:16px;margin-bottom:18px;}

  /* ---------- 口碑条 ---------- */
  .voice{background:var(--ink);color:#fff;padding:60px 0;}
  .voice-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
  .voice-head h2{font-size:26px;font-weight:700;line-height:1.3;}
  .voice-head h2 em{font-style:normal;color:var(--accent);}
  .voice-head a{font-size:14px;color:rgba(255,255,255,.7);transition:color .28s;}
  .voice-head a:hover{color:#fff;}
  .voice-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .voice-track::-webkit-scrollbar{height:6px;}
  .voice-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px;}
  .voice-card{flex:0 0 300px;scroll-snap-align:start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:20px;}
  .voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .voice-avatar{width:44px;height:44px;border-radius:50%;border:2px solid var(--accent);display:grid;place-items:center;font-weight:700;font-size:15px;color:var(--accent);flex:none;}
  .voice-name{font-size:15px;font-weight:600;}
  .voice-role{display:inline-block;margin-top:4px;font-size:11.5px;font-weight:600;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:rgba(201,242,39,.16);color:var(--accent);}
  .voice-text{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78);min-height:76px;}
  .voice-score{margin-top:14px;font-size:13px;color:rgba(255,255,255,.62);font-variant-numeric:tabular-nums;}
  .voice-score b{color:var(--accent);font-size:16px;}
  @media (min-width:768px){.voice{padding:72px 0;}.voice-head h2{font-size:30px;}}
  @media (min-width:1024px){.voice-card{flex:0 0 330px;}}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;gap:30px;}
  .faq-side p{color:var(--ink-soft);font-size:15.5px;margin:14px 0 22px;}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:var(--ease);}
  .faq-item:hover{border-color:#dcd6c9;}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);}
  .faq-icon{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;transition:transform .3s,background .3s,border-color .3s;}
  .faq-icon::before{content:"";width:10px;height:2px;background:var(--ink-soft);border-radius:2px;transition:var(--ease);}
  .faq-icon::after{content:"";position:absolute;width:2px;height:10px;background:var(--ink-soft);border-radius:2px;transition:var(--ease);}
  .faq-icon{position:relative;}
  .faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand);border-color:var(--brand);}
  .faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff;}
  .faq-item.is-open .faq-icon::after{transform:scaleY(0);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
  .faq-a p{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--ink-soft);}
  @media (min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:44px;}}

  /* ---------- CTA ---------- */
  .cta-box{position:relative;overflow:hidden;background:var(--ink);border:1.5px solid var(--accent);border-radius:24px;padding:44px 24px;text-align:center;color:#fff;}
  .cta-box::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 30px);pointer-events:none;}
  .cta-box h2{position:relative;font-size:24px;font-weight:700;line-height:1.35;letter-spacing:-.01em;}
  .cta-box p{position:relative;margin:14px auto 26px;max-width:32em;font-size:15.5px;color:rgba(255,255,255,.76);}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
  .cta-note{position:relative;margin-top:20px;font-size:13px;color:rgba(255,255,255,.5);}
  @media (min-width:768px){.cta-box{padding:56px 40px;}.cta-box h2{font-size:28px;}}

  /* ---------- 页脚 ---------- */
  .footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);padding-top:56px;}
  .footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--brand));}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand .brand-mark{background:#fff;color:var(--ink);}
  .footer-brand .brand-text{color:#fff;}
  .footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:30em;}
  .footer h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 14px;}
  .footer-links a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.72);transition:color .28s,transform .28s;}
  .footer-links a:hover{color:#fff;transform:translateX(4px);position:relative;}
  .footer-contact li{list-style:none;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);}
  .footer-contact li b{color:#fff;font-weight:600;}
  .footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}.footer{padding-top:64px;}}

  /* ---------- 悬浮组件 ---------- */
  .to-top{position:fixed;right:20px;bottom:88px;width:48px;height:48px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-card);opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--ease);z-index:45;}
  .to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
  .to-top:hover{background:var(--brand);}
  .to-top svg{width:20px;height:20px;}
  .sticky-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:46;display:none;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 18px;box-shadow:var(--shadow-card);backdrop-filter:blur(8px);}
  .sticky-bar.is-show{display:flex;}
  .sticky-bar span{font-size:13.5px;font-weight:600;color:var(--ink-soft);}
  .sticky-bar .btn{flex:none;}
  @media (min-width:768px){.sticky-bar{display:none !important;}}
  @media (prefers-reduced-motion: reduce){*{transition:none !important;animation:none !important;}}

/* roulang page: article */
:root{
  --brand:#E8402A;
  --brand-ink:#B02A17;
  --accent:#C9F227;
  --accent-2:#0E7C5A;
  --ink:#14161A;
  --ink-soft:#4A4F57;
  --muted:#7C828B;
  --line:#E7E3DA;
  --bg:#F7F5F0;
  --sand:#F0E9DD;
  --surface:#FFFFFF;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(20,22,26,.05),0 14px 34px -14px rgba(20,22,26,.18);
  --shadow-hover:0 2px 4px rgba(20,22,26,.06),0 22px 46px -16px rgba(20,22,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
@media (min-width:768px){.header-inner{height:72px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;line-height:1;
}
.brand-text{font-weight:700;font-size:17px;white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:none;align-items:center;gap:30px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;font-size:16px;font-weight:600;color:var(--ink-soft);
  padding:6px 0;transition:color .28s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:3px;width:0;
  border-radius:999px;background:var(--brand);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:28px}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:20px}
.header-actions{display:flex;align-items:center;gap:10px}
.header-cta{display:none}
@media (min-width:1024px){.header-cta{display:inline-flex}}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-content:center;gap:4px;transition:all .28s var(--ease);
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.menu-toggle:hover{border-color:var(--brand)}
@media (min-width:1024px){.menu-toggle{display:none}}

.drawer{position:fixed;inset:0;z-index:70;background:var(--bg);padding:18px 20px 28px;display:flex;flex-direction:column;gap:6px}
.drawer[hidden]{display:none}
.drawer::before{
  content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,39,.5),rgba(201,242,39,0) 70%);pointer-events:none;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--ink)}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{padding:14px 0;font-size:18px;font-weight:700;border-bottom:1px solid var(--line)}
.drawer nav a.is-active{color:var(--brand)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;transition:all .28s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-soft);transition:all .28s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--sand);border-bottom:1px solid var(--line)}
.crumbs{display:flex;align-items:center;gap:10px;height:46px;font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden}
.crumbs a{transition:color .28s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C6C0B5}
.crumbs .current{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;max-width:60vw}

/* ---------- article head ---------- */
.post-head{padding:38px 0 4px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-cat{background:var(--accent-2);color:#fff}
.badge-soft{background:var(--sand);color:var(--ink-soft)}
.badge-lime{background:var(--accent);color:var(--ink)}
.post-head-row{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:20px}
.post-title{
  font-size:31px;line-height:1.24;font-weight:800;letter-spacing:-.02em;margin-top:16px;max-width:820px;
}
@media (min-width:768px){.post-title{font-size:40px}}
@media (min-width:1024px){.post-title{font-size:46px}}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:16px;font-size:13.5px;color:var(--muted)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC9BF;display:inline-block}
.share-group{display:flex;gap:10px}

/* ---------- cover ---------- */
.post-cover{margin:28px 0 10px;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/9;background:var(--sand)}
@media (max-width:640px){.post-cover{aspect-ratio:4/3}}
.post-cover img{width:100%;height:100%;object-fit:cover}
.figcap{font-size:13px;color:var(--muted);margin:10px 2px 0}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:44px;padding:34px 0 0}
@media (min-width:1024px){.layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:52px}}

/* ---------- article body ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink-soft);max-width:100%}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:25px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:2.4rem 0 1rem;padding-left:14px;border-left:4px solid var(--brand);
}
@media (min-width:768px){.article-body h2{font-size:28px}}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink);margin:1.8rem 0 .7rem}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.4rem 0 .5rem}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--accent);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.45em 0}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;transition:color .28s var(--ease)}
.article-body a:hover{color:var(--brand-ink)}
.article-body blockquote{
  margin:1.6em 0;padding:20px;background:var(--sand);border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);color:var(--ink);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-md);margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--sand);color:var(--ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(240,233,221,.4)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0}
.article-body strong{color:var(--ink);font-weight:700}

/* ---------- empty state ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:56px 24px;box-shadow:var(--shadow);
}
.empty-state svg{width:44px;height:44px;stroke:var(--muted);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{margin:0;font-size:16px;color:var(--ink-soft)}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.side{position:sticky;top:96px;align-self:start}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow)}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:12px;height:2px;border-radius:2px;background:var(--accent)}
.side-links{display:flex;flex-direction:column}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink-soft);border-bottom:1px dashed var(--line);
  transition:all .28s var(--ease);
}
.side-links a:last-child{border-bottom:0}
.side-links a::after{content:"→";color:var(--muted);transition:transform .28s var(--ease)}
.side-links a:hover{color:var(--brand)}
.side-links a:hover::after{transform:translateX(4px);color:var(--brand)}
.side-fact{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-soft);padding:9px 0;border-bottom:1px dashed var(--line)}
.side-fact:last-child{border-bottom:0}
.side-fact b{color:var(--ink);font-weight:600}
.side-card-dark{background:var(--ink);border-color:var(--ink);box-shadow:var(--shadow-hover)}
.side-card-dark h3{color:var(--accent)}
.side-card-dark p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 18px}
.side-card-dark .btn{width:100%}

/* ---------- related ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.section-head h2{font-size:25px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:12px}
@media (min-width:768px){.section-head h2{font-size:30px}}
.section-head h2::before{content:"";width:4px;height:24px;border-radius:2px;background:var(--brand)}
.section-head p{margin:6px 0 0;font-size:14.5px;color:var(--muted)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);transition:all .28s var(--ease)}
.text-link span{transition:transform .28s var(--ease)}
.text-link:hover span{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:all .28s var(--ease);box-shadow:var(--shadow);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DAD4C8}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;transition:color .28s var(--ease)}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body p{margin:0;font-size:14px;line-height:1.8;color:var(--ink-soft)}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- cta ---------- */
.cta-wrap{padding:76px 0 0}
.cta{
  position:relative;overflow:hidden;border-radius:24px;border:1.5px solid var(--accent);
  background:var(--ink);padding:56px 28px;text-align:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.2;pointer-events:none;
}
.cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 22px);
}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cta h2{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.01em}
@media (min-width:768px){.cta h2{font-size:32px}}
.cta p{margin:14px 0 26px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.74)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.cta small{display:block;margin-top:20px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- footer ---------- */
.footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:88px}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--brand))}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--brand)}
.footer-brand .brand-text{color:#fff}
.footer p{font-size:14px;line-height:1.9;margin:0;max-width:360px}
.footer h4{font-size:15px;font-weight:600;color:var(--accent);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);border-left:0 solid var(--brand);padding-left:0;transition:all .28s var(--ease)}
.footer-links a:hover{color:#fff;padding-left:10px;border-left-width:2px}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer-contact b{color:rgba(255,255,255,.92);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:60;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--ink);color:#fff;display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand)}
.to-top svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}

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

/* roulang page: category2 */
:root{
    --brand:#E8402A;
    --brand-ink:#B02A17;
    --accent:#C9F227;
    --accent-2:#0E7C5A;
    --ink:#14161A;
    --ink-soft:#4A4F57;
    --muted:#7C828B;
    --line:#E7E3DA;
    --bg:#F7F5F0;
    --sand:#F0E9DD;
    --surface:#FFFFFF;
    --radius-card:20px;
    --radius-img:14px;
    --shadow-card:0 1px 2px rgba(20,22,26,.05), 0 14px 34px -14px rgba(20,22,26,.18);
    --shadow-hover:0 2px 4px rgba(20,22,26,.06), 0 22px 44px -16px rgba(20,22,26,.24);
    --ease:all .28s cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;transition:var(--ease);}
  button,input{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px;}
  .container{max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  .num{font-variant-numeric:tabular-nums;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(247,245,240,.9);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:64px;gap:16px;
  }
  @media (min-width:768px){.header-inner{height:72px;}}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;background:var(--ink);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;
    flex:0 0 auto;
  }
  .brand-text{font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
  @media (min-width:768px){.brand-text{font-size:17px;}}
  .nav-links{display:none;}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:30px;}
  }
  .nav-link{
    position:relative;display:inline-block;padding:8px 0;
    font-size:16px;font-weight:600;color:var(--ink-soft);
  }
  .nav-link::after{
    content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
    border-radius:3px;background:var(--brand);transition:width .24s ease;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{width:28px;}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::after{width:20px;}
  .nav-cta{display:none;}
  @media (min-width:1024px){.nav-cta{display:inline-flex;}}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:10px 22px;border-radius:999px;
    font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
    border:1.5px solid transparent;transition:var(--ease);
    text-align:center;
  }
  .btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 10px 24px -12px rgba(232,64,42,.7);}
  .btn-primary:hover{background:var(--brand-ink);border-color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(176,42,23,.75);}
  .btn-primary:active{transform:translateY(1px);box-shadow:none;}
  .btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-outline:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);}
  .btn-outline:active{transform:translateY(1px);}
  .btn-lime{background:var(--accent);color:var(--ink);border-color:var(--accent);}
  .btn-lime:hover{background:#b9e01c;border-color:#b9e01c;transform:translateY(-1px);}
  .btn-sm{min-height:38px;padding:8px 18px;font-size:14px;}
  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;cursor:pointer;
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}
  @media (min-width:1024px){.menu-toggle{display:none;}}
  .mobile-drawer{
    position:fixed;inset:0;z-index:60;background:rgba(247,245,240,.98);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    padding:24px 20px 32px;display:none;flex-direction:column;
  }
  .mobile-drawer.is-open{display:flex;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
  .drawer-close{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
    font-size:22px;line-height:1;color:var(--ink);cursor:pointer;
  }
  .drawer-links{display:flex;flex-direction:column;gap:6px;}
  .drawer-links a{
    padding:14px 8px;font-size:18px;font-weight:700;color:var(--ink-soft);
    border-bottom:1px solid var(--line);
  }
  .drawer-links a.is-active{color:var(--brand);}
  .drawer-foot{margin-top:auto;padding-top:24px;}

  /* ============ 面包屑 ============ */
  .crumb-bar{background:var(--sand);border-bottom:1px solid var(--line);}
  .crumb{
    display:flex;align-items:center;gap:8px;height:44px;
    font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden;
  }
  .crumb a{color:var(--muted);}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{color:#c3bdb1;}
  .crumb .current{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:72px 0;}}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .section-title{
    position:relative;font-size:26px;font-weight:700;line-height:1.3;letter-spacing:-.01em;
    padding-left:16px;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:6px;width:4px;height:26px;border-radius:3px;background:var(--brand);
  }
  @media (min-width:768px){.section-title{font-size:30px;}.section-title::before{height:30px;}}
  @media (min-width:1024px){.section-title{font-size:34px;}.section-title::before{height:34px;}}
  .section-desc{color:var(--ink-soft);font-size:16px;max-width:640px;margin-top:10px;}
  .link-more{
    display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;
  }
  .link-more svg{transition:transform .24s ease;}
  .link-more:hover svg{transform:translateX(4px);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
  }
  .badge-pitch{background:var(--accent-2);color:#fff;}
  .badge-lime{background:var(--accent);color:var(--ink);}
  .badge-sand{background:var(--sand);color:var(--ink-soft);}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;
    background-color:var(--bg);
    background-image:linear-gradient(180deg, rgba(247,245,240,.86) 0%, rgba(247,245,240,.96) 62%, var(--bg) 100%), url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center right;
    border-bottom:1px solid var(--line);
  }
  .page-hero::after{
    content:"";position:absolute;left:-60px;bottom:-80px;width:280px;height:280px;
    background:radial-gradient(circle, rgba(232,64,42,.14) 0%, rgba(232,64,42,0) 70%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;z-index:2;
    display:grid;gap:36px;padding:44px 0 56px;
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding:72px 0 80px;}
  }
  .hero-title{
    margin-top:18px;
    font-size:32px;font-weight:800;line-height:1.22;letter-spacing:-.02em;
  }
  @media (min-width:768px){.hero-title{font-size:40px;}}
  @media (min-width:1024px){.hero-title{font-size:46px;}}
  .hero-sub{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--ink-soft);max-width:520px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .stat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
  .stat-pill{
    flex:1 1 130px;min-width:130px;background:#fff;border:1px solid var(--line);
    border-radius:16px;padding:14px 16px;
  }
  .stat-pill b{display:block;font-size:20px;font-weight:800;line-height:1.3;font-variant-numeric:tabular-nums;}
  .stat-pill span{font-size:12.5px;color:var(--muted);}
  .hero-media{
    position:relative;border-radius:24px;overflow:hidden;
    box-shadow:var(--shadow-card);border:1px solid var(--line);background:#fff;
  }
  .hero-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
  .hero-media-caption{
    position:absolute;left:0;right:0;bottom:0;padding:44px 20px 18px;
    background:linear-gradient(180deg, rgba(20,22,26,0) 0%, rgba(20,22,26,.78) 100%);
    color:#fff;font-size:14px;line-height:1.6;
  }
  .hero-media-caption b{color:var(--accent);font-weight:700;}

  /* ============ 交错大图行 ============ */
  .row-list{border-top:1px solid var(--line);}
  .row-item{
    display:grid;gap:20px;padding:30px 0;border-bottom:1px solid var(--line);
  }
  @media (min-width:1024px){
    .row-item{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;padding:40px 0;}
    .row-item.is-reverse .row-media{order:2;}
  }
  .row-media{border-radius:var(--radius-card);overflow:hidden;background:#fff;border:1px solid var(--line);}
  .row-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
  .row-item:hover .row-media img{transform:scale(1.03);}
  .row-body{display:flex;gap:16px;align-items:flex-start;}
  .row-num{
    flex:0 0 auto;width:48px;height:48px;border-radius:12px;background:var(--accent);color:var(--ink);
    display:grid;place-items:center;font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
  }
  .row-title{font-size:20px;font-weight:700;line-height:1.35;}
  @media (min-width:768px){.row-title{font-size:22px;}}
  .row-text{margin-top:10px;color:var(--ink-soft);font-size:16px;line-height:1.85;}
  .row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .row-link{margin-top:16px;}

  /* ============ 看板入口卡 ============ */
  .board-grid{display:grid;gap:20px;grid-template-columns:1fr;}
  @media (min-width:640px){.board-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.board-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
  .board-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;transition:var(--ease);display:flex;flex-direction:column;
  }
  .board-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .board-thumb{position:relative;overflow:hidden;}
  .board-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
  .board-card:hover .board-thumb img{transform:scale(1.03);}
  .board-thumb .badge{position:absolute;left:12px;top:12px;}
  .board-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
  .board-body h3{font-size:17.5px;font-weight:700;line-height:1.45;}
  .board-body p{margin-top:8px;font-size:15px;color:var(--ink-soft);line-height:1.75;flex:1;}
  .board-meta{margin-top:14px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}

  /* ============ 口碑条（浅色版） ============ */
  .voice-section{background:var(--sand);}
  .voice-grid{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:768px){.voice-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}}
  .voice-card{
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;
    transition:var(--ease);
  }
  .voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);}
  .voice-head{display:flex;align-items:center;gap:12px;}
  .voice-avatar{
    width:44px;height:44px;border-radius:999px;background:var(--ink);color:var(--accent);
    display:grid;place-items:center;font-weight:700;font-size:16px;border:2px solid var(--accent);
  }
  .voice-name{font-size:15.5px;font-weight:700;}
  .voice-role{font-size:12.5px;color:var(--muted);}
  .voice-text{margin-top:14px;font-size:15px;color:var(--ink-soft);line-height:1.85;}
  .voice-score{
    margin-top:14px;font-size:13px;color:var(--ink);font-weight:700;
    display:inline-flex;align-items:center;gap:6px;background:var(--sand);border-radius:999px;padding:4px 12px;
    font-variant-numeric:tabular-nums;
  }

  /* ============ FAQ ============ */
  .faq-wrap{display:grid;gap:28px;}
  @media (min-width:1024px){.faq-wrap{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:var(--ease);}
  .faq-item:hover{border-color:#d8d2c6;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:18px 20px;background:transparent;border:0;cursor:pointer;
    font-size:17px;font-weight:600;color:var(--ink);text-align:left;line-height:1.55;
  }
  .faq-q .chev{
    flex:0 0 auto;width:22px;height:22px;transition:transform .3s ease;color:var(--brand);
  }
  .faq-item.is-open .faq-q .chev{transform:rotate(180deg);}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .34s cubic-bezier(.2,.7,.3,1);
  }
  .faq-a-inner{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--ink-soft);}

  /* ============ CTA ============ */
  .cta-box{
    position:relative;overflow:hidden;border-radius:24px;
    background:var(--ink);border:1.5px solid var(--accent);
    padding:40px 24px;text-align:center;
  }
  @media (min-width:768px){.cta-box{padding:56px 48px;}}
  .cta-box::before{
    content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
    background-image:repeating-linear-gradient(115deg, #C9F227 0 1px, transparent 1px 26px);
  }
  .cta-box h2{
    position:relative;color:#fff;font-size:24px;font-weight:800;line-height:1.3;letter-spacing:-.01em;
  }
  @media (min-width:768px){.cta-box h2{font-size:30px;}}
  .cta-box p{position:relative;margin-top:14px;color:rgba(255,255,255,.76);font-size:16px;}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px;}
  .cta-note{position:relative;margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);}
  .cta-box .btn-outline{color:#fff;border-color:rgba(255,255,255,.5);}
  .cta-box .btn-outline:hover{color:var(--accent);border-color:var(--accent);}

  /* ============ 页脚 ============ */
  .footer{
    position:relative;background:var(--ink);color:rgba(255,255,255,.72);margin-top:8px;
  }
  .footer::before{
    content:"";display:block;height:2px;
    background:linear-gradient(90deg,var(--accent) 0%,var(--brand) 60%,var(--ink) 100%);
  }
  .footer-grid{
    display:grid;gap:32px;padding:48px 0 32px;grid-template-columns:1fr;
  }
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 40px;}}
  .footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-mark{background:var(--brand);color:#fff;}
  .footer-brand .brand-text{color:#fff;font-size:16px;}
  .footer p{font-size:14px;line-height:1.85;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    position:relative;font-size:14px;color:rgba(255,255,255,.72);padding-left:0;
  }
  .footer-links a:hover{color:#fff;padding-left:12px;}
  .footer-links a::before{
    content:"";position:absolute;left:0;top:50%;width:0;height:2px;background:var(--brand);
    transform:translateY(-50%);transition:width .24s ease;
  }
  .footer-links a:hover::before{width:6px;}
  .footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
  .footer-contact b{color:var(--accent);font-weight:600;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;
    border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ============ 返回顶部 ============ */
  .to-top{
    position:fixed;right:18px;bottom:20px;z-index:40;
    width:48px;height:48px;border-radius:999px;border:0;background:var(--ink);color:#fff;
    display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;
    transition:var(--ease);box-shadow:0 14px 28px -14px rgba(20,22,26,.7);
  }
  .to-top.is-show{opacity:1;visibility:visible;}
  .to-top:hover{background:var(--brand);}

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

/* roulang page: category1 */
:root{
  --brand:#E8402A;
  --brand-ink:#B02A17;
  --accent:#C9F227;
  --accent-2:#0E7C5A;
  --ink:#14161A;
  --ink-soft:#4A4F57;
  --muted:#7C828B;
  --line:#E7E3DA;
  --bg:#F7F5F0;
  --sand:#F0E9DD;
  --surface:#FFFFFF;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(20,22,26,.05),0 14px 34px -14px rgba(20,22,26,.18);
  --shadow-hover:0 2px 4px rgba(20,22,26,.06),0 22px 44px -16px rgba(20,22,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;}
@media (min-width:768px){.header-inner{min-height:72px;}}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink);}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;flex:none;
  border-radius:11px;background:var(--ink);color:#fff;
  font-size:18px;font-weight:800;line-height:1;
}
.brand-text{font-weight:700;letter-spacing:.01em;user-select:text;}
.nav-links{display:none;align-items:center;gap:30px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;font-size:16px;font-weight:600;color:var(--ink-soft);
  padding:6px 0;transition:color .28s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:0;height:3px;border-radius:3px;background:var(--brand);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:28px;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:20px;}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  transition:border-color .28s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle:hover{border-color:var(--brand);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.nav-drawer{
  position:fixed;inset:64px 0 0 0;z-index:60;display:none;flex-direction:column;
  background:var(--bg);padding:26px 24px 32px;gap:2px;overflow-y:auto;
}
@media (min-width:768px){.nav-drawer{inset:72px 0 0 0;}}
.nav-drawer.is-open{display:flex;}
.nav-drawer::before{
  content:"";position:absolute;right:-60px;top:-50px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,39,.5),rgba(201,242,39,0) 70%);
  pointer-events:none;
}
.nav-drawer .drawer-item{
  font-size:18px;font-weight:700;color:var(--ink);padding:15px 0;
  border-bottom:1px solid var(--line);position:relative;z-index:1;
}
.nav-drawer .drawer-item.is-active{color:var(--brand);}
.drawer-cta{margin-top:26px;position:relative;z-index:1;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -12px rgba(232,64,42,.8);}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);}
.btn-lime{background:var(--accent);color:var(--ink);}
.btn-lime:hover{background:#b9e015;transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn .arrow{transition:transform .28s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
@media (max-width:767px){.section{padding:48px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,3.2vw,32px);font-weight:700;line-height:1.3;
}
.section-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:var(--brand);
}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--ink-soft);max-width:660px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
  transition:color .28s var(--ease);
}
.text-link:hover{color:var(--brand-ink);}
.text-link .arrow{transition:transform .28s var(--ease);}
.text-link:hover .arrow{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;
}
.badge-green{background:var(--accent-2);color:#fff;}
.badge-sand{background:var(--sand);color:var(--ink-soft);}
.badge-lime{background:var(--accent);color:var(--ink);}
.badge-brand{background:var(--brand);color:#fff;}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:34px 0 70px;background:var(--bg);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.12;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;top:-80px;right:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,64,42,.16),rgba(232,64,42,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;gap:44px;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px;align-items:center;}
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{transition:color .28s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#c8c2b6;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.hero-title{
  font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.24;letter-spacing:-.02em;
  margin:16px 0 16px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-soft);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:14px;color:var(--ink-soft);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2);flex:none;}

.hero-visual{position:relative;min-height:320px;}
.shot-main{
  position:relative;width:100%;max-width:300px;margin:0 auto;aspect-ratio:9/16;
  border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.shot-main img{width:100%;height:100%;object-fit:cover;}
.shot-main::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:130px;
  background:linear-gradient(to top,rgba(20,22,26,.78),rgba(20,22,26,0));
}
.shot-live{
  position:absolute;left:14px;bottom:16px;z-index:2;display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 12px;border-radius:999px;background:rgba(232,64,42,.94);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.shot-live i{display:block;width:6px;height:6px;border-radius:50%;background:#fff;}
.float-tag{
  position:absolute;left:50%;top:6px;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:13px;color:var(--ink-soft);box-shadow:var(--shadow-card);white-space:nowrap;z-index:3;
}
.shot-sub{
  position:absolute;right:4px;bottom:8px;width:128px;aspect-ratio:3/4;
  border-radius:16px;overflow:hidden;border:2px solid var(--accent);box-shadow:var(--shadow-card);
}
.shot-sub img{width:100%;height:100%;object-fit:cover;}
@media (max-width:900px){.shot-sub{display:none;}}

/* ============ 分栏：侧栏锚点 + 入口卡 ============ */
.split{display:grid;gap:26px;}
@media (min-width:1024px){
  .split{grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:34px;}
}
.side-rail{position:static;}
@media (min-width:1024px){
  .side-rail{position:sticky;top:96px;align-self:start;}
}
.rail-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;
}
.rail-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:14px;}
.rail-links{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.rail-links::-webkit-scrollbar{display:none;}
@media (min-width:1024px){
  .rail-links{flex-direction:column;overflow:visible;padding-bottom:0;gap:8px;}
}
.rail-link{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;flex:none;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
@media (min-width:1024px){
  .rail-link{justify-content:flex-start;border-radius:12px;width:100%;}
}
.rail-link:hover{border-color:var(--brand);color:var(--brand);}
.rail-link.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.rail-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13.5px;line-height:1.75;color:var(--muted);
}

.entry-list{display:flex;flex-direction:column;gap:16px;}
.entry-card{
  display:grid;gap:16px;grid-template-columns:1fr;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:14px;transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
@media (min-width:640px){
  .entry-card{grid-template-columns:172px minmax(0,1fr);align-items:center;padding:16px;}
}
.entry-thumb{aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:var(--sand);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.entry-card:hover{transform:translateY(-4px);border-color:#d9d3c7;box-shadow:var(--shadow-card);}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-body h3{font-size:18px;font-weight:700;line-height:1.5;margin:10px 0 8px;transition:color .28s var(--ease);}
.entry-card:hover .entry-body h3{color:var(--brand);}
.entry-body p{font-size:15px;line-height:1.8;color:var(--ink-soft);}

/* ============ 项目覆盖 ============ */
.coverage{
  background:var(--sand);border-radius:24px;padding:34px 24px;
  display:grid;gap:26px;
}
@media (min-width:768px){.coverage{padding:40px;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:34px;align-items:center;}}
.coverage h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.4;}
.coverage p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--ink-soft);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:14px;color:var(--ink-soft);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

/* ============ 跟播流程 ============ */
.flow-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:768px){.flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.flow-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.flow-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
.flow-num{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;
  background:var(--accent);color:var(--ink);
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;font-weight:700;margin:16px 0 8px;}
.flow-item p{font-size:15px;line-height:1.8;color:var(--ink-soft);}

/* ============ CTA 窄条 ============ */
.cta-strip{
  background:var(--sand);border-radius:20px;padding:24px 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.cta-strip h3{font-size:18px;font-weight:700;line-height:1.5;}
.cta-strip p{margin-top:6px;font-size:15px;color:var(--ink-soft);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.faq-item.is-open{border-color:#d9d3c7;box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-ico{position:relative;flex:none;width:22px;height:22px;}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--ink-soft);border-radius:2px;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-ico::before{left:2px;top:10px;width:18px;height:2px;}
.faq-ico::after{left:10px;top:2px;width:2px;height:18px;}
.faq-item.is-open .faq-ico::before{background:var(--brand);}
.faq-item.is-open .faq-ico::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--ink-soft);}

/* ============ 互链卡 ============ */
.link-cards{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:768px){.link-cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
.link-card{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.link-card:hover{transform:translateY(-4px);border-color:#d9d3c7;box-shadow:var(--shadow-card);}
.link-card img{width:100px;height:76px;object-fit:cover;border-radius:12px;flex:none;}
.link-card h3{font-size:17px;font-weight:700;margin-bottom:6px;transition:color .28s var(--ease);}
.link-card:hover h3{color:var(--brand);}
.link-card p{font-size:14px;line-height:1.7;color:var(--ink-soft);}

/* ============ 收尾深色 CTA ============ */
.dark-cta{
  position:relative;overflow:hidden;background:var(--ink);
  border:1.5px solid var(--accent);border-radius:24px;
  padding:46px 24px;text-align:center;
}
.dark-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 1px,transparent 1px 24px);
}
.dark-cta > *{position:relative;z-index:1;}
.dark-cta h2{color:#fff;font-size:clamp(22px,3.4vw,32px);font-weight:700;line-height:1.35;}
.dark-cta p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.72);}
.dark-cta .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px;}
.dark-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);}
.dark-cta .btn-ghost:hover{color:var(--accent);border-color:var(--accent);}
.dark-cta .cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 页脚 ============ */
.footer{position:relative;margin-top:80px;background:var(--ink);color:#fff;}
.footer::before{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--accent),var(--brand));}
.footer .container{padding-top:56px;padding-bottom:28px;}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:30px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer .brand-mark{background:var(--accent);color:var(--ink);}
.footer .brand-text{color:#fff;font-weight:700;font-size:17px;}
.footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.footer h4{font-size:15px;font-weight:600;color:var(--accent);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  position:relative;font-size:14px;color:rgba(255,255,255,.72);
  transition:color .28s var(--ease),padding-left .28s var(--ease);
}
.footer-links a::before{
  content:"";position:absolute;left:-8px;top:50%;transform:translateY(-50%);
  width:6px;height:2px;background:var(--brand);opacity:0;transition:opacity .28s var(--ease),left .28s var(--ease);
}
.footer-links a:hover{color:#fff;padding-left:6px;}
.footer-links a:hover::before{opacity:1;left:-6px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.72);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:40;
  width:48px;height:48px;border-radius:999px;border:0;background:var(--ink);color:#fff;
  display:grid;place-items:center;opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),background .28s var(--ease),transform .28s var(--ease);
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--brand);transform:translateY(-2px);}

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