/* roulang page: index */
:root{
  --ink:#172036;
  --muted:#65718a;
  --paper:#f7f8fc;
  --surface:#ffffff;
  --line:#e6e9f1;
  --navy:#101a35;
  --blue:#3c65f5;
  --blue-dark:#2449d2;
  --violet:#7657e8;
  --gold:#ffbd4a;
  --mint:#4ecab0;
  --shadow:0 18px 45px rgba(22,32,60,.10);
  --soft-shadow:0 8px 24px rgba(22,32,60,.08);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(60,101,245,.36);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,233,241,.9)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:-.5px;color:var(--navy);white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--violet));position:relative;box-shadow:0 7px 16px rgba(60,101,245,.25)}
.brand-mark:before{content:"";position:absolute;left:12px;top:8px;border-left:11px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{padding:9px 15px;border-radius:10px;font-size:15px;font-weight:700;color:#5e6980;transition:.22s ease}
.main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf1ff}
.nav-action{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;background:var(--navy);color:#fff;padding:10px 16px;font-size:14px;font-weight:700;transition:.22s ease}
.nav-action:hover{background:var(--blue);transform:translateY(-1px)}
.menu-toggle{display:none;border:0;background:#edf1ff;color:var(--blue);width:42px;height:42px;border-radius:11px;font-size:20px}
.hero{position:relative;overflow:hidden;min-height:620px;background:#101a35 url('/images/sd/backpic/back-1.jpg') center/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,19,42,.96) 0%,rgba(16,26,53,.88) 42%,rgba(16,26,53,.42) 100%)}
.hero:after{content:"";position:absolute;width:620px;height:620px;right:-140px;bottom:-330px;border-radius:50%;background:rgba(72,113,255,.28);filter:blur(5px)}
.hero-inner{position:relative;z-index:1;padding:100px 0 88px;max-width:810px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.1);font-size:13px;font-weight:700;letter-spacing:.4px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(255,189,74,.16)}
h1{margin:20px 0 18px;font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-2px;max-width:760px}
.hero-text{max-width:680px;margin:0;color:rgba(255,255,255,.8);font-size:18px;line-height:1.9}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:.22s ease}
.btn-primary{background:#fff;color:var(--blue)}
.btn-primary:hover{background:#dfe7ff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.16)}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.17);transform:translateY(-2px)}
.hero-notes{display:flex;flex-wrap:wrap;gap:22px;margin-top:45px;padding-top:25px;border-top:1px solid rgba(255,255,255,.18)}
.hero-note{display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.82);font-size:14px}
.hero-note b{color:#fff;font-size:15px}
.section{padding:88px 0}
.section-tight{padding:62px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px}
.kicker{margin:0 0 8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1.2px}
h2{margin:0;color:var(--navy);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-1px}
.section-intro{max-width:590px;margin:11px 0 0;color:var(--muted)}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:14px;font-weight:800;white-space:nowrap}
.text-link:hover{color:var(--blue-dark)}
.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
.genre-card{position:relative;min-height:230px;overflow:hidden;border-radius:var(--radius-lg);background:var(--navy);box-shadow:var(--soft-shadow);isolation:isolate}
.genre-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.82;transition:transform .45s ease}
.genre-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,23,48,.02) 20%,rgba(14,23,48,.92) 100%);z-index:-1}
.genre-card:hover img{transform:scale(1.08)}
.genre-copy{position:absolute;inset:auto 0 0;padding:22px;color:#fff}
.genre-copy span{display:inline-block;padding:4px 9px;border-radius:999px;background:rgba(255,255,255,.16);font-size:12px}
.genre-copy h3{margin:9px 0 0;font-size:22px;line-height:1.2}
.feature-wrap{display:grid;grid-template-columns:1.06fr .94fr;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow)}
.feature-image{min-height:400px;position:relative}
.feature-image img{width:100%;height:100%;object-fit:cover}
.feature-image:after{content:"精选观影方向";position:absolute;top:22px;left:22px;padding:7px 12px;border-radius:999px;background:rgba(16,26,53,.85);color:#fff;font-size:13px;font-weight:800}
.feature-content{padding:50px}
.feature-content h2{font-size:34px}
.feature-content p{color:var(--muted);margin:18px 0 25px}
.check-list{margin:0;padding:0;list-style:none;display:grid;gap:13px}
.check-list li{position:relative;padding-left:29px;color:#44506a}
.check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:#e2f7f1;color:#199c82;font-size:12px;font-weight:900}
.news-area{background:#edf1fb}
.news-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:25px}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.news-item{display:flex;gap:18px;padding:20px;border-bottom:1px solid var(--line);transition:.22s ease}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:#f9faff}
.news-thumb{width:125px;height:88px;flex:0 0 125px;overflow:hidden;border-radius:12px;background:#dbe2f8}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.25s ease}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-copy{min-width:0}
.meta{display:flex;gap:10px;align-items:center;color:#8490a7;font-size:12px}
.meta b{color:var(--violet);font-weight:800}
.news-copy h3{margin:4px 0 3px;color:var(--navy);font-size:17px;line-height:1.45}
.news-copy p{margin:0;color:var(--muted);font-size:13px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.spotlight{padding:30px;background:linear-gradient(145deg,#263965,#121c38);border-radius:var(--radius-lg);color:#fff;box-shadow:var(--soft-shadow)}
.spotlight .kicker{color:#aebfff}
.spotlight h3{margin:0;font-size:27px;line-height:1.35}
.spotlight>p{margin:14px 0 24px;color:rgba(255,255,255,.72);font-size:14px}
.rank-list{margin:0;padding:0;list-style:none}
.rank-list li{display:flex;gap:13px;align-items:flex-start;padding:14px 0;border-top:1px solid rgba(255,255,255,.13)}
.rank-no{color:#93a7e9;font-size:22px;font-weight:900;font-style:italic;line-height:1.15}
.rank-list strong{display:block;font-size:15px;line-height:1.4}
.rank-list span{display:block;margin-top:3px;color:rgba(255,255,255,.58);font-size:12px}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value-card{padding:29px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);transition:.25s ease}
.value-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d6ddf3}
.icon-box{width:46px;height:46px;display:grid;place-items:center;margin-bottom:18px;border-radius:14px;background:#ebefff;color:var(--blue);font-size:21px}
.value-card:nth-child(2) .icon-box{background:#f0ebff;color:var(--violet)}
.value-card:nth-child(3) .icon-box{background:#e4f8f2;color:#21a88b}
.value-card h3{margin:0 0 8px;font-size:19px;color:var(--navy)}
.value-card p{margin:0;color:var(--muted);font-size:14px}
.process{background:var(--navy);color:#fff}
.process h2{color:#fff}
.process .section-intro{color:rgba(255,255,255,.68)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.step{position:relative;padding:26px 23px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.055)}
.step-no{display:block;margin-bottom:19px;color:#91a8ff;font-size:13px;font-weight:900;letter-spacing:1px}
.step h3{margin:0 0 8px;font-size:18px}
.step p{margin:0;color:rgba(255,255,255,.66);font-size:13px;line-height:1.65}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
.faq-side{padding:8px 0}
.faq-side p{margin:16px 0 22px;color:var(--muted)}
.faq-list{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s ease}
details[open]{border-color:#cdd7ff;box-shadow:0 8px 22px rgba(60,101,245,.08)}
summary{position:relative;padding:18px 52px 18px 20px;color:var(--navy);font-size:16px;font-weight:800;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:19px;top:13px;color:var(--blue);font-size:25px;font-weight:400}
details[open] summary:after{content:"−"}
.answer{padding:0 20px 19px;color:var(--muted);font-size:14px}
.cta{padding:0 0 88px}
.cta-box{position:relative;overflow:hidden;padding:58px 8%;border-radius:var(--radius-xl);background:#4569ee url('/images/sd/backpic/back-5.jpg') center/cover;color:#fff;text-align:center;isolation:isolate}
.cta-box:before{content:"";position:absolute;inset:0;background:rgba(34,58,160,.86);z-index:-1}
.cta-box h2{color:#fff}
.cta-box p{max-width:630px;margin:14px auto 26px;color:rgba(255,255,255,.82)}
.cta-box .btn-primary{background:#fff;color:var(--blue)}
.site-footer{background:#0e1730;color:#d3daf1}
.footer-top{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;padding:55px 0 34px}
.footer-brand{color:#fff}
.footer-brand .brand-mark{display:inline-block;vertical-align:middle;margin-right:10px}
.footer-brand strong{font-size:20px;vertical-align:middle}
.footer-intro{max-width:520px;margin:15px 0 0;color:#99a7ca;font-size:14px}
.footer-nav{display:flex;justify-content:flex-end;align-items:flex-start;gap:12px;flex-wrap:wrap}
.footer-nav a{padding:8px 12px;color:#bdc8e6;font-size:14px;border-radius:9px;transition:.2s ease}
.footer-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);color:#8190b5;font-size:12px}
@media (max-width:1024px){
  .genre-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .feature-content{padding:36px}
}
@media (max-width:768px){
  .container{width:min(100% - 32px,var(--container))}
  .nav-wrap{height:68px}
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}
  .main-nav a{text-align:center}
  .nav-action{display:none}
  .hero{min-height:570px}
  .hero-inner{padding:76px 0 64px}
  h1{font-size:42px}
  .hero-text{font-size:16px}
  .section{padding:66px 0}
  .section-head{display:block;margin-bottom:25px}
  .section-head .text-link{margin-top:14px}
  .feature-wrap,.news-grid,.faq-wrap{grid-template-columns:1fr}
  .feature-image{min-height:295px}
  .news-grid{gap:18px}
  .faq-wrap{gap:24px}
  .footer-top{grid-template-columns:1fr}
  .footer-nav{justify-content:flex-start}
}
@media (max-width:520px){
  body{font-size:15px}
  .brand{font-size:17px}
  .hero{min-height:540px}
  .hero-inner{padding:65px 0 52px}
  h1{font-size:34px;letter-spacing:-1px}
  .hero-actions .btn{width:100%}
  .hero-notes{gap:12px;display:grid;grid-template-columns:1fr}
  .genre-grid,.value-grid,.steps{grid-template-columns:1fr}
  .genre-card{min-height:190px}
  .feature-content{padding:28px 22px}
  .feature-content h2{font-size:28px}
  .news-item{padding:14px;gap:12px}
  .news-thumb{width:90px;height:72px;flex-basis:90px}
  .news-copy h3{font-size:15px}
  .news-copy p{display:none}
  .spotlight{padding:24px}
  .cta{padding-bottom:62px}
  .cta-box{padding:43px 22px}
  .footer-bottom{display:block;line-height:1.8}
}

/* roulang page: category1 */
:root{
      --ink:#172036;
      --muted:#65718a;
      --paper:#f7f8fc;
      --surface:#ffffff;
      --line:#e6e9f1;
      --navy:#101a35;
      --blue:#3c65f5;
      --blue-dark:#2449d2;
      --violet:#7657e8;
      --gold:#ffbd4a;
      --mint:#4ecab0;
      --rose:#f06f9b;
      --shadow:0 18px 45px rgba(22,32,60,.10);
      --soft-shadow:0 8px 24px rgba(22,32,60,.08);
      --radius-xl:28px;
      --radius-lg:20px;
      --radius-md:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{
      outline:3px solid rgba(60,101,245,.35);
      outline-offset:3px;
    }
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.5px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.9);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(230,233,241,.9);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      letter-spacing:-.5px;
      color:var(--navy);
      white-space:nowrap;
    }
    .brand{font-size:20px}
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:11px;
      background:linear-gradient(135deg,var(--blue),var(--violet));
      position:relative;
      box-shadow:0 7px 16px rgba(60,101,245,.25);
      flex:0 0 auto;
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      left:12px;
      top:8px;
      border-left:11px solid #fff;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
    }
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{
      padding:9px 15px;
      border-radius:10px;
      font-size:15px;
      font-weight:700;
      color:#5e6980;
      transition:.22s ease;
    }
    .main-nav a:hover,.main-nav a.active{
      color:var(--blue);
      background:#edf1ff;
    }
    .nav-action{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:0;
      border-radius:11px;
      background:var(--navy);
      color:#fff;
      padding:10px 16px;
      font-size:14px;
      font-weight:700;
      transition:.22s ease;
    }
    .nav-action:hover{background:var(--blue);transform:translateY(-1px)}
    .menu-toggle{
      display:none;
      border:0;
      background:#edf1ff;
      color:var(--blue);
      width:42px;
      height:42px;
      border-radius:11px;
      font-size:20px;
    }
    .page-hero{
      position:relative;
      overflow:hidden;
      min-height:480px;
      color:#fff;
      background:#101a35 url('/images/sd/backpic/back-4.jpg') center/cover no-repeat;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(100deg,rgba(12,19,42,.96),rgba(16,26,53,.82) 48%,rgba(16,26,53,.38));
    }
    .page-hero:after{
      content:"";
      position:absolute;
      width:500px;
      height:500px;
      right:-120px;
      bottom:-260px;
      border-radius:50%;
      background:rgba(118,87,232,.3);
      filter:blur(4px);
    }
    .hero-inner{
      position:relative;
      z-index:1;
      padding:92px 0 84px;
      max-width:820px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:999px;
      background:rgba(255,255,255,.1);
      font-size:13px;
      font-weight:700;
      letter-spacing:.3px;
    }
    .eyebrow i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 0 5px rgba(255,189,74,.16);
    }
    .hero-inner h1{
      max-width:760px;
      margin:23px 0 19px;
      font-size:clamp(38px,5vw,66px);
      line-height:1.12;
      letter-spacing:-2px;
    }
    .hero-inner p{
      max-width:680px;
      margin:0;
      color:rgba(255,255,255,.82);
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      gap:13px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:13px 20px;
      border:1px solid transparent;
      border-radius:12px;
      font-weight:800;
      transition:.22s ease;
    }
    .btn-primary{background:#fff;color:var(--blue)}
    .btn-primary:hover{
      background:#dfe7ff;
      transform:translateY(-2px);
      box-shadow:0 10px 22px rgba(0,0,0,.16);
    }
    .btn-ghost{
      border-color:rgba(255,255,255,.42);
      color:#fff;
      background:rgba(255,255,255,.08);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.17);transform:translateY(-2px)}
    .hero-note-row{
      display:flex;
      flex-wrap:wrap;
      gap:22px;
      margin-top:42px;
      padding-top:23px;
      border-top:1px solid rgba(255,255,255,.18);
    }
    .hero-note{
      display:flex;
      align-items:center;
      gap:9px;
      color:rgba(255,255,255,.78);
      font-size:14px;
    }
    .hero-note strong{color:#fff;font-size:15px}
    .section{padding:86px 0}
    .section-tight{padding:62px 0}
    .section-soft{background:#edf1fb}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-block;
      margin-bottom:10px;
      color:var(--blue);
      font-size:13px;
      font-weight:900;
      letter-spacing:1.2px;
    }
    .section-head h2{
      margin-bottom:0;
      font-size:clamp(28px,3.2vw,42px);
    }
    .section-intro{
      max-width:600px;
      margin:11px 0 0;
      color:var(--muted);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--blue);
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
    }
    .text-link:hover{color:var(--blue-dark)}
    .quick-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .quick-card{
      position:relative;
      padding:25px 22px;
      min-height:154px;
      overflow:hidden;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--soft-shadow);
      transition:.25s ease;
    }
    .quick-card:after{
      content:"";
      position:absolute;
      right:-25px;
      bottom:-32px;
      width:100px;
      height:100px;
      border-radius:50%;
      background:#edf1ff;
    }
    .quick-card:hover{
      transform:translateY(-5px);
      border-color:#cbd5ff;
      box-shadow:var(--shadow);
    }
    .icon-box{
      position:relative;
      z-index:1;
      width:40px;
      height:40px;
      display:grid;
      place-items:center;
      margin-bottom:17px;
      border-radius:12px;
      background:#edf1ff;
      color:var(--blue);
      font-size:20px;
      font-weight:900;
    }
    .quick-card:nth-child(2) .icon-box{background:#fff4dc;color:#c17b00}
    .quick-card:nth-child(3) .icon-box{background:#e2f7f1;color:#199c82}
    .quick-card:nth-child(4) .icon-box{background:#f2eaff;color:var(--violet)}
    .quick-card h3{position:relative;z-index:1;font-size:18px;margin-bottom:7px}
    .quick-card p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:14px}
    .feature-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      overflow:hidden;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
    }
    .feature-image{min-height:420px;position:relative;overflow:hidden}
    .feature-image img{width:100%;height:100%;object-fit:cover;transition:.45s ease}
    .feature-wrap:hover .feature-image img{transform:scale(1.04)}
    .feature-image:after{
      content:"本周观影灵感";
      position:absolute;
      top:22px;
      left:22px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(16,26,53,.86);
      color:#fff;
      font-size:13px;
      font-weight:800;
    }
    .feature-content{padding:50px}
    .feature-content h2{font-size:34px;margin-bottom:17px}
    .feature-content>p{color:var(--muted);margin-bottom:25px}
    .check-list{margin:0;padding:0;list-style:none;display:grid;gap:14px}
    .check-list li{position:relative;padding-left:30px;color:#44506a}
    .check-list li:before{
      content:"✓";
      position:absolute;
      left:0;
      top:2px;
      width:20px;
      height:20px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:#e2f7f1;
      color:#199c82;
      font-size:12px;
      font-weight:900;
    }
    .feature-content .btn{margin-top:28px;background:var(--navy);color:#fff}
    .feature-content .btn:hover{background:var(--blue);transform:translateY(-2px)}
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .guide-card{
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--soft-shadow);
      transition:.25s ease;
    }
    .guide-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .guide-card-image{height:210px;overflow:hidden;position:relative}
    .guide-card-image img{width:100%;height:100%;object-fit:cover;transition:.4s ease}
    .guide-card:hover .guide-card-image img{transform:scale(1.07)}
    .guide-badge{
      position:absolute;
      left:16px;
      bottom:15px;
      padding:5px 10px;
      border-radius:999px;
      color:#fff;
      background:rgba(16,26,53,.82);
      font-size:12px;
      font-weight:800;
    }
    .guide-card-body{padding:22px}
    .guide-card-body h3{font-size:21px;margin-bottom:9px}
    .guide-card-body p{margin:0;color:var(--muted);font-size:14px}
    .guide-card-body .text-link{margin-top:16px}
    .steps{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      counter-reset:step;
    }
    .step{
      position:relative;
      padding:29px 26px 27px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
    }
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      display:flex;
      align-items:center;
      justify-content:center;
      width:47px;
      height:47px;
      margin-bottom:22px;
      border-radius:15px;
      background:var(--navy);
      color:#fff;
      font-size:15px;
      font-weight:900;
    }
    .step:nth-child(2):before{background:var(--violet)}
    .step:nth-child(3):before{background:var(--mint)}
    .step h3{font-size:20px;margin-bottom:9px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .scene-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .scene-card{
      min-height:270px;
      padding:31px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      border-radius:var(--radius-lg);
      overflow:hidden;
      color:#fff;
      background:#182345 center/cover no-repeat;
      position:relative;
      isolation:isolate;
    }
    .scene-card:before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-1;
      background:linear-gradient(0deg,rgba(10,18,42,.9),rgba(10,18,42,.1));
    }
    .scene-card.large{background-image:url('/images/sd/backpic/back-6.jpg')}
    .scene-card.small{background-image:url('/images/sd/backpic/back-8.webp');min-height:270px}
    .scene-card h3{font-size:26px;margin-bottom:9px}
    .scene-card p{max-width:500px;margin:0;color:rgba(255,255,255,.78);font-size:14px}
    .scene-stack{display:grid;gap:20px}
    .scene-stack .scene-card{min-height:125px;padding:24px}
    .scene-stack .scene-card h3{font-size:20px}
    .faq-layout{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:55px;
      align-items:start;
    }
    .faq-layout h2{font-size:35px;margin-bottom:15px}
    .faq-layout>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      padding:0 20px;
      transition:.22s ease;
    }
    details[open]{border-color:#cbd5ff;box-shadow:var(--soft-shadow)}
    summary{
      list-style:none;
      cursor:pointer;
      padding:19px 28px 19px 0;
      position:relative;
      font-weight:800;
      color:var(--ink);
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      position:absolute;
      right:0;
      top:15px;
      color:var(--blue);
      font-size:24px;
      font-weight:400;
    }
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 0 20px;color:var(--muted);font-size:14px}
    .cta{
      position:relative;
      overflow:hidden;
      padding:58px 62px;
      border-radius:var(--radius-xl);
      color:#fff;
      background:var(--navy) url('/images/sd/backpic/back-2.webp') center/cover no-repeat;
      isolation:isolate;
    }
    .cta:before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-1;
      background:linear-gradient(100deg,rgba(16,26,53,.97),rgba(38,57,126,.82));
    }
    .cta-content{max-width:700px}
    .cta h2{font-size:36px;margin-bottom:13px}
    .cta p{margin:0;color:rgba(255,255,255,.76)}
    .cta .btn{margin-top:25px}
    .site-footer{
      padding:53px 0 25px;
      background:#0d1630;
      color:#dfe5f6;
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:35px;
      padding-bottom:35px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{color:#fff;font-size:20px}
    .footer-intro{max-width:460px;margin:16px 0 0;color:#9ca8c2;font-size:14px}
    .footer-nav{display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px 22px}
    .footer-nav a{color:#b8c2d9;font-size:14px;transition:.2s ease}
    .footer-nav a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      color:#7f8ba8;
      font-size:12px;
    }
    @media (max-width:1024px){
      .quick-grid{grid-template-columns:repeat(2,1fr)}
      .feature-content{padding:38px}
      .scene-grid{grid-template-columns:1fr}
      .scene-stack{grid-template-columns:repeat(2,1fr)}
      .faq-layout{gap:30px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .nav-wrap{height:68px}
      .main-nav{
        display:none;
        position:absolute;
        left:17px;
        right:17px;
        top:76px;
        padding:10px;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--line);
        border-radius:16px;
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .nav-action{display:none}
      .menu-toggle{display:block}
      .hero-inner{padding:70px 0 65px}
      .hero-inner h1{font-size:44px;letter-spacing:-1.4px}
      .hero-inner p{font-size:16px}
      .section{padding:65px 0}
      .section-head{display:block}
      .section-head .text-link{margin-top:17px}
      .feature-wrap{grid-template-columns:1fr}
      .feature-image{min-height:300px}
      .feature-content h2{font-size:30px}
      .guide-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr}
      .faq-layout{grid-template-columns:1fr}
      .cta{padding:42px 28px}
      .cta h2{font-size:30px}
      .footer-top,.footer-bottom{display:block}
      .footer-nav{margin-top:25px}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .brand{font-size:17px}
      .brand-mark{width:31px;height:31px;border-radius:10px}
      .brand-mark:before{left:11px;top:7px}
      .hero-inner h1{font-size:37px}
      .hero-note-row{display:grid;gap:10px}
      .quick-grid,.guide-grid{grid-template-columns:1fr}
      .quick-card{min-height:auto}
      .feature-content{padding:29px 23px}
      .feature-image{min-height:245px}
      .scene-stack{grid-template-columns:1fr}
      .scene-card,.scene-card.small,.scene-stack .scene-card{min-height:210px}
      .section-head h2{font-size:30px}
      .btn{width:100%}
      .hero-actions{display:grid}
      .cta .btn{width:auto}
    }

/* roulang page: article */
:root{
      --ink:#172036;
      --muted:#65718a;
      --paper:#f7f8fc;
      --surface:#fff;
      --line:#e6e9f1;
      --navy:#101a35;
      --blue:#3c65f5;
      --blue-dark:#2449d2;
      --violet:#7657e8;
      --gold:#ffbd4a;
      --mint:#4ecab0;
      --shadow:0 18px 45px rgba(22,32,60,.10);
      --soft-shadow:0 8px 24px rgba(22,32,60,.08);
      --radius-xl:28px;
      --radius-lg:20px;
      --radius-md:14px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.25;letter-spacing:-.04em}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,233,241,.9)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand,.footer-brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:-.5px;color:var(--navy);white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--violet));position:relative;box-shadow:0 7px 16px rgba(60,101,245,.25)}
    .brand-mark:before{content:"";position:absolute;left:12px;top:8px;border-left:11px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent}
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{padding:9px 15px;border-radius:10px;font-size:15px;font-weight:700;color:#5e6980;transition:.22s ease}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf1ff}
    .nav-action{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;background:var(--navy);color:#fff;padding:10px 16px;font-size:14px;font-weight:700;transition:.22s ease}
    .nav-action:hover{background:var(--blue);transform:translateY(-1px)}
    .menu-toggle{display:none;border:0;background:#edf1ff;color:var(--blue);width:42px;height:42px;border-radius:11px;font-size:20px}
    .article-banner{position:relative;overflow:hidden;background:var(--navy) url('/images/sd/backpic/back-3.jpg') center/cover no-repeat;color:#fff}
    .article-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,19,42,.96),rgba(16,26,53,.68),rgba(16,26,53,.36))}
    .banner-inner{position:relative;z-index:1;padding:76px 0 84px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-bottom:25px;color:rgba(255,255,255,.7);font-size:14px}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb span{color:rgba(255,255,255,.42)}
    .banner-inner h1{max-width:900px;margin-bottom:20px;font-size:clamp(34px,5vw,62px);font-weight:850}
    .banner-desc{max-width:760px;margin:0;color:rgba(255,255,255,.78);font-size:18px}
    .article-meta{display:flex;flex-wrap:wrap;gap:16px 25px;margin-top:28px;color:rgba(255,255,255,.7);font-size:14px}
    .article-meta strong{color:#fff}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start;padding:68px 0 88px}
    .article-card,.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--soft-shadow)}
    .article-card{padding:clamp(26px,5vw,58px)}
    .article-content{font-size:17px;color:#3d4860}
    .article-content h2{margin:38px 0 16px;color:var(--ink);font-size:30px}
    .article-content h3{margin:30px 0 13px;color:var(--ink);font-size:23px}
    .article-content p{margin-bottom:20px}
    .article-content img{width:100%;height:auto;margin:28px 0;border-radius:var(--radius-md)}
    .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--blue);border-radius:0 var(--radius-md) var(--radius-md) 0;background:#f1f4ff;color:#435071}
    .article-content ul,.article-content ol{padding-left:25px;margin:18px 0 25px}
    .article-content li{margin:7px 0}
    .article-heading{display:flex;align-items:center;gap:12px;margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid var(--line)}
    .article-heading i{width:9px;height:34px;border-radius:8px;background:linear-gradient(var(--blue),var(--violet))}
    .article-heading h2{margin:0;font-size:25px}
    .side-column{display:grid;gap:20px;position:sticky;top:98px}
    .side-card{padding:25px}
    .side-card h3{margin-bottom:18px;font-size:20px}
    .side-cover{overflow:hidden;border-radius:16px;margin:-2px -2px 20px}
    .side-cover img{width:100%;height:170px;object-fit:cover;transition:.3s ease}
    .side-card:hover .side-cover img{transform:scale(1.04)}
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .side-links{display:grid;gap:10px}
    .side-links a{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:700;color:#4f5c75}
    .side-links a:last-child{border-bottom:0}
    .side-links a:hover{color:var(--blue)}
    .side-links em{font-style:normal;color:#a0a9bb}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px}
    .tag{display:inline-flex;padding:6px 11px;border-radius:999px;background:#edf1ff;color:var(--blue);font-size:12px;font-weight:800}
    .back-home{display:inline-flex;align-items:center;gap:8px;margin-top:25px;padding:12px 17px;border-radius:12px;background:var(--navy);color:#fff;font-weight:800;transition:.22s ease}
    .back-home:hover{background:var(--blue);transform:translateY(-2px)}
    .reading-note{display:flex;gap:13px;align-items:flex-start;margin-top:30px;padding:17px 18px;border:1px solid #dce5ff;border-radius:var(--radius-md);background:#f5f7ff;color:#5b6780;font-size:14px}
    .reading-note b{display:grid;place-items:center;flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;font-size:13px}
    .cta-section{padding:0 0 88px}
    .cta-box{position:relative;overflow:hidden;padding:50px 55px;border-radius:var(--radius-xl);background:linear-gradient(120deg,#101a35,#273d8e);color:#fff}
    .cta-box:after{content:"";position:absolute;width:280px;height:280px;right:5%;top:-150px;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 35px rgba(255,255,255,.04),0 0 0 70px rgba(255,255,255,.025)}
    .cta-box h2,.cta-box p,.cta-box a{position:relative;z-index:1}
    .cta-box h2{max-width:650px;margin-bottom:12px;font-size:34px}
    .cta-box p{max-width:650px;margin-bottom:24px;color:rgba(255,255,255,.72)}
    .site-footer{padding:54px 0 25px;background:#fff;border-top:1px solid var(--line)}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px}
    .footer-intro{max-width:390px;margin:16px 0 0;color:var(--muted);font-size:14px}
    .footer-nav{display:flex;flex-wrap:wrap;align-content:flex-start;gap:12px 24px}
    .footer-nav a{color:#65718a;font-size:14px;font-weight:700;transition:.2s ease}
    .footer-nav a:hover{color:var(--blue)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid var(--line);color:#929bad;font-size:13px}
    :focus-visible{outline:3px solid rgba(60,101,245,.35);outline-offset:3px}
    @media(max-width:1024px){
      .article-layout{grid-template-columns:minmax(0,1fr) 270px}
      .cta-box{padding:42px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:68px}
      .menu-toggle{display:block}
      .nav-action{display:none}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.is-open{display:flex}
      .main-nav a{padding:12px 15px}
      .article-layout{display:block;padding:42px 0 65px}
      .side-column{position:static;margin-top:24px;grid-template-columns:1fr 1fr}
      .banner-inner{padding:58px 0 62px}
      .article-card{padding:28px 22px}
      .cta-section{padding-bottom:65px}
      .cta-box{padding:34px 25px}
      .footer-top,.footer-bottom{display:block}
      .footer-nav{margin-top:25px}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .brand{font-size:17px}
      .brand-mark{width:31px;height:31px}
      .banner-inner h1{font-size:35px}
      .banner-desc{font-size:16px}
      .article-content{font-size:16px}
      .article-content h2{font-size:26px}
      .side-column{grid-template-columns:1fr}
      .cta-box h2{font-size:28px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}