*{margin:0;padding:0;box-sizing:border-box}
  :root{
    --bg:#0c0e10;
    --surface:#141719;
    --line:#242a2d;
    --text:#eaeff0;
    --muted:#93a1a4;
    --green:#3fd1a4;
    --pink:#ff6b8f;
    --red:#e8384f;
    --radius:16px;
  }
  html,body{width:100%;overflow-x:hidden}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
    background-image:
      radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
    background-size:4px 4px;opacity:.65;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;position:relative;z-index:1}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:20;
    background:rgba(12,14,16,.86);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
  .brand{display:flex;align-items:center;gap:10px}
  .brand img{height:32px;width:auto;border-radius:8px}
  .brand-name{font-size:19px;font-weight:700;letter-spacing:.5px}
  .header-nav{display:none;gap:26px;font-size:15px;color:var(--muted)}
  .header-nav a:hover{color:var(--green)}
  .header-cta{
    font-size:14px;padding:9px 18px;border-radius:999px;
    background:linear-gradient(100deg,var(--green),#7fe0c1);
    color:#04231a;font-weight:700;white-space:nowrap;
  }

  /* ---------- hero ---------- */
  .hero{padding:56px 0 48px;position:relative;overflow:hidden}
  .hero-inner{display:grid;gap:36px;position:relative;z-index:1}
  .hero-copy h1{
    font-size:32px;line-height:1.35;font-weight:800;letter-spacing:.5px;
    background:linear-gradient(100deg,#8ef0cf 0%,#ffffff 42%,#ffb2c4 78%,#ff5f7e 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-copy p{margin-top:18px;color:var(--muted);font-size:16px;max-width:520px}
  .hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
  .btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 30px;border-radius:999px;font-size:16px;font-weight:700;
    background:linear-gradient(100deg,var(--green),#8ff0d2);
    color:#04231a;box-shadow:0 10px 30px rgba(63,209,164,.22);
    transition:transform .25s ease;
  }
  .btn-primary:hover{transform:translateY(-2px)}
  .btn-ghost{
    display:inline-flex;align-items:center;padding:14px 26px;border-radius:999px;
    border:1px solid var(--line);color:var(--text);font-size:15px;
    transition:border-color .25s ease,color .25s ease;
  }
  .btn-ghost:hover{border-color:var(--green);color:var(--green)}

  .hero-visual{position:relative;height:300px;display:flex;align-items:center;justify-content:center}
  .arc-band{
    position:absolute;inset:0;border-radius:200px;
    background:conic-gradient(from 200deg at 50% 55%,
      #1f7a5f 0deg,#3fd1a4 55deg,#d7f5ea 105deg,
      #fff7f7 150deg,#ffc3d0 200deg,#ff6b8f 250deg,#e8384f 300deg,#1f7a5f 360deg);
    filter:blur(.5px);
    opacity:.9;
    transform:rotate(-8deg) scale(.98);
    mask-image:radial-gradient(circle at 50% 55%, transparent 42%, #000 44%, #000 100%);
    -webkit-mask-image:radial-gradient(circle at 50% 55%, transparent 42%, #000 44%, #000 100%);
  }
  .arc-glow{
    position:absolute;inset:0;border-radius:200px;
    background:radial-gradient(circle at 50% 55%, rgba(255,255,255,.14), transparent 55%);
    pointer-events:none;
  }
  .play-orb{
    position:relative;z-index:2;
    width:104px;height:104px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:radial-gradient(circle at 32% 28%, #2a3134, #101315);
    border:1px solid rgba(255,255,255,.14);
    box-shadow:0 0 0 10px rgba(255,255,255,.03),0 22px 50px rgba(0,0,0,.55);
  }
  .play-orb::after{
    content:"";width:0;height:0;margin-left:7px;
    border-left:26px solid #f4fffb;
    border-top:16px solid transparent;
    border-bottom:16px solid transparent;
  }
  .hero-poster{
    position:absolute;width:96px;border-radius:14px;overflow:hidden;
    border:1px solid rgba(255,255,255,.16);
    box-shadow:0 18px 40px rgba(0,0,0,.55);
    background:var(--surface);
  }
  .hero-poster img{width:100%;height:128px;object-fit:cover}
  .hp-1{left:-6px;top:18px;transform:rotate(-9deg)}
  .hp-2{right:-4px;top:44px;transform:rotate(8deg)}
  .hp-3{left:14px;bottom:-8px;transform:rotate(6deg);display:none}

  /* ---------- section shell ---------- */
  section{padding:58px 0;position:relative;z-index:1}
  .sec-head{margin-bottom:30px}
  .sec-kicker{
    display:inline-block;font-size:12px;letter-spacing:2px;
    color:var(--green);text-transform:uppercase;margin-bottom:10px;
  }
  .sec-head h2{font-size:26px;font-weight:800;line-height:1.4}
  .sec-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}

  /* ---------- today grid ---------- */
  .poster-grid{
    display:grid;gap:16px;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .poster-card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:12px;overflow:hidden;
    display:flex;flex-direction:column;
  }
  .poster-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#1b2023}
  .poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .poster-card:hover .poster-thumb img{transform:scale(1.05)}
  .poster-tag{
    position:absolute;left:10px;top:10px;
    font-size:11px;padding:3px 9px;border-radius:999px;
    background:rgba(10,12,14,.72);color:#c9f5e6;border:1px solid rgba(255,255,255,.14);
  }
  .poster-meta{padding:12px 12px 14px}
  .poster-meta h3{font-size:15px;font-weight:700;line-height:1.45}
  .poster-meta span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted)}

  /* ---------- landscape ---------- */
  .land-list{display:grid;gap:18px}
  .land-card{
    display:grid;grid-template-columns:112px 1fr;gap:16px;
    background:var(--surface);border:1px solid var(--line);
    border-radius:14px;overflow:hidden;
  }
  .land-card img{width:100%;height:100%;object-fit:cover}
  .land-body{padding:14px 14px 14px 0}
  .land-body h3{font-size:16px;font-weight:700}
  .land-body p{margin-top:8px;font-size:13.5px;color:var(--muted)}

  /* ---------- topics ---------- */
  .topic-row{display:flex;flex-wrap:wrap;gap:22px;justify-content:center}
  .topic-item{
    width:150px;text-align:center;
  }
  .topic-circle{
    width:132px;height:132px;border-radius:50%;overflow:hidden;
    margin:0 auto;border:1px solid rgba(255,255,255,.16);
    box-shadow:0 14px 34px rgba(0,0,0,.5);
  }
  .topic-circle img{width:100%;height:100%;object-fit:cover}
  .topic-item:nth-child(2) .topic-circle{transform:rotate(-5deg)}
  .topic-item:nth-child(2){margin-top:26px}
  .topic-item:nth-child(3) .topic-circle{border-radius:44% 56% 50% 50%;transform:rotate(4deg)}
  .topic-item strong{display:block;margin-top:12px;font-size:14.5px}
  .topic-item span{font-size:12.5px;color:var(--muted)}

  /* ---------- features ---------- */
  .feature-grid{display:grid;gap:16px}
  .feature-card{
    background:var(--surface);border:1px solid var(--line);
    padding:22px;border-radius:18px 6px 18px 6px;
  }
  .feature-card:nth-child(even){border-radius:6px 18px 6px 18px}
  .feature-card h3{font-size:16px;font-weight:700;margin-bottom:9px}
  .feature-card p{font-size:14px;color:var(--muted)}

  /* ---------- reviews ---------- */
  .review-grid{display:grid;gap:16px}
  .review-card{
    background:linear-gradient(160deg,#161a1d,#101315);
    border:1px solid var(--line);border-radius:16px;padding:20px;
  }
  .review-card p{font-size:14.5px;color:#d7e2e4}
  .review-who{margin-top:14px;font-size:12.5px;color:var(--muted)}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:12px;max-width:820px}
  details{
    background:var(--surface);border:1px solid var(--line);
    border-radius:12px;padding:16px 18px;
  }
  summary{
    cursor:pointer;font-size:15px;font-weight:600;list-style:none;
    display:flex;justify-content:space-between;gap:16px;
  }
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";color:var(--green);font-weight:700}
  details[open] summary::after{content:"–"}
  details p{margin-top:12px;font-size:14px;color:var(--muted)}

  /* ---------- download ---------- */
  .download{position:relative;overflow:hidden}
  .download-box{
    position:relative;z-index:1;
    display:grid;gap:28px;
    background:linear-gradient(150deg,#132621,#101315 60%);
    border:1px solid var(--line);border-radius:24px;padding:34px 24px;
  }
  .download-box h2{font-size:25px;font-weight:800;line-height:1.4}
  .download-box p{margin-top:14px;color:var(--muted);font-size:15px}
  .download-steps{margin-top:22px;display:grid;gap:10px}
  .download-steps li{list-style:none;font-size:14px;color:#cfdadc;display:flex;gap:10px}
  .download-steps b{color:var(--green);font-weight:700}
  .download-art{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
  .download-art img{width:120px;border-radius:14px;border:1px solid rgba(255,255,255,.14)}
  .download-art img:nth-child(2){transform:translateY(16px) rotate(3deg)}

  /* ---------- footer ---------- */
  .site-footer{
    border-top:1px solid var(--line);padding:30px 0 38px;
    font-size:12.5px;color:#6f7c7f;
  }
  .site-footer p{margin-bottom:8px}
  .site-footer a{color:#8b9a9d;border-bottom:1px dashed #3a4346}
  .footer-time{color:#5f6b6e}

  /* ---------- responsive ---------- */
  @media (min-width:768px){
    .hero{padding:76px 0 64px}
    .hero-inner{grid-template-columns:1.05fr .95fr;align-items:center}
    .hero-copy h1{font-size:40px}
    .hero-visual{height:420px}
    .hero-poster{width:132px}
    .hero-poster img{height:176px}
    .hp-3{display:block}
    .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
    .land-list{grid-template-columns:repeat(2,minmax(0,1fr))}
    .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .sec-head h2{font-size:30px}
    .download-box{grid-template-columns:1.2fr .8fr;align-items:center;padding:44px 40px}
    .header-nav{display:flex}
  }
  @media (min-width:1024px){
    .hero-copy h1{font-size:48px}
    .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
    .land-list{grid-template-columns:repeat(3,minmax(0,1fr))}
    .feature-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .hero-visual{height:480px}
    section{padding:72px 0}
  }