:root{
    --mist:#f4f8fb;
    --ice:#e2eef8;
    --ice-deep:#cfe3f2;
    --mint:#7fe0c0;
    --mint-soft:#c9f3e6;
    --coral:#ff9878;
    --coral-soft:#ffd9cc;
    --ink:#1d2a36;
    --ink-soft:#4a5c6b;
    --ink-faint:#7b8c9a;
    --glass:rgba(255,255,255,.62);
    --line:rgba(255,255,255,.85);
    --shadow:0 18px 44px rgba(96,138,170,.16);
    --radius:24px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    color:var(--ink);
    background:
      radial-gradient(900px 600px at 8% -5%, #ffffff 0%, rgba(255,255,255,0) 60%),
      radial-gradient(700px 520px at 92% 4%, var(--mint-soft) 0%, rgba(201,243,230,0) 62%),
      radial-gradient(760px 520px at 78% 68%, var(--coral-soft) 0%, rgba(255,217,204,0) 64%),
      linear-gradient(172deg, var(--mist) 0%, var(--ice) 46%, #eef6fc 100%);
    background-attachment:fixed;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  h1,h2,h3{margin:0;line-height:1.3;letter-spacing:.3px;}
  p{margin:0;}
  .wrap{width:min(1240px,92vw);margin:0 auto;}

  /* ---------- header ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    transition:background .35s ease,box-shadow .35s ease,padding .35s ease;
    padding:14px 0;
    background:rgba(255,255,255,.28);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.78);
    box-shadow:0 10px 30px rgba(96,138,170,.14);
    padding:8px 0;
    border-bottom:1px solid rgba(255,255,255,.9);
  }
  .header-inner{
    display:flex;align-items:center;gap:22px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand img{
    height:34px;width:auto;border-radius:9px;
    box-shadow:0 4px 14px rgba(96,138,170,.22);
  }
  .brand-name{font-size:1.18rem;font-weight:800;letter-spacing:1px;color:var(--ink);}
  .main-nav{display:flex;gap:8px;margin-left:10px;}
  .main-nav a{
    font-size:.94rem;color:var(--ink-soft);padding:7px 14px;border-radius:999px;
    transition:background .25s,color .25s;
  }
  .main-nav a:hover{background:rgba(127,224,192,.24);color:var(--ink);}
  .header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.72);
    border:1px solid var(--line);
    border-radius:999px;padding:7px 16px;
    font-size:.88rem;color:var(--ink-faint);
    box-shadow:inset 0 1px 0 #fff;
  }
  .search-box input{
    border:0;background:transparent;outline:none;font-size:.88rem;
    width:130px;color:var(--ink);font-family:inherit;
  }
  .search-box input::placeholder{color:var(--ink-faint);}
  .dl-wrap{position:relative;}
  .btn-download{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 22px;border-radius:999px;border:0;cursor:pointer;
    font-family:inherit;font-size:.92rem;font-weight:700;color:#0e3f34;
    background:linear-gradient(120deg,var(--mint) 0%,#a6e9d6 45%,var(--coral) 100%);
    box-shadow:0 10px 24px rgba(127,192,192,.36);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .btn-download:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(127,192,192,.46);}
  .dl-panel{
    position:absolute;right:0;top:calc(100% + 12px);width:320px;
    background:rgba(255,255,255,.9);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border:1px solid var(--line);border-radius:22px;padding:18px;
    box-shadow:0 26px 60px rgba(96,138,170,.26);
    opacity:0;visibility:hidden;transform:scale(.94) translateY(-8px);
    transform-origin:top right;
    transition:opacity .28s ease,transform .28s ease,visibility .28s;
  }
  .dl-panel.open{opacity:1;visibility:visible;transform:scale(1) translateY(0);}
  .dl-panel h3{font-size:.95rem;margin-bottom:12px;}
  .dl-row{
    display:flex;align-items:center;justify-content:space-between;
    padding:10px 14px;border-radius:14px;margin-bottom:9px;
    background:linear-gradient(120deg,rgba(201,243,230,.6),rgba(255,255,255,.7));
    border:1px solid rgba(255,255,255,.9);
  }
  .dl-row span{font-size:.88rem;font-weight:600;}
  .dl-row em{font-style:normal;font-size:.76rem;color:var(--ink-faint);}
  .dl-note{
    margin-top:12px;font-size:.78rem;color:var(--ink-soft);
    padding:10px 12px;border-radius:14px;
    background:linear-gradient(120deg,rgba(255,217,204,.5),rgba(201,243,230,.4));
  }
  .dl-note strong{color:#c25c3a;}

  /* ---------- hero ---------- */
  .hero{min-height:100vh;padding:140px 0 80px;display:flex;align-items:center;}
  .hero-grid{
    display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;width:100%;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.8rem;letter-spacing:1.6px;color:#3f7f70;
    background:rgba(255,255,255,.7);border:1px solid var(--line);
    padding:6px 16px;border-radius:999px;margin-bottom:22px;
  }
  .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(127,224,192,.28);}
  h1{
    font-size:clamp(2.1rem,4.2vw,3.5rem);
    font-weight:800;letter-spacing:.5px;
  }
  h1 .brand-hl{
    background:linear-gradient(105deg,#2f8a76 0%,#5fc8ab 40%,#ff9878 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    position:relative;white-space:nowrap;
  }
  h1 .line2{display:block;color:var(--ink);}
  .hero-sub{
    margin-top:20px;font-size:1.02rem;color:var(--ink-soft);max-width:30em;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .btn-primary{
    padding:14px 34px;border-radius:999px;font-weight:700;font-size:.98rem;
    background:linear-gradient(120deg,var(--mint) 0%,#a8ecd9 48%,var(--coral) 100%);
    color:#0d3b30;box-shadow:0 14px 32px rgba(127,192,192,.4);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(127,192,192,.5);}
  .btn-ghost{
    padding:14px 30px;border-radius:999px;font-weight:600;font-size:.96rem;
    background:rgba(255,255,255,.72);border:1px solid var(--line);color:var(--ink-soft);
    transition:transform .25s ease,background .25s;
  }
  .btn-ghost:hover{transform:translateY(-3px);background:#fff;}
  .metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;}
  .metric b{
    display:block;font-size:1.75rem;font-weight:800;
    background:linear-gradient(120deg,#2f8a76,#ff9878);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .metric span{font-size:.82rem;color:var(--ink-faint);}
  .hero-tip{margin-top:22px;font-size:.78rem;color:var(--ink-faint);}

  /* prism device */
  .prism-stage{position:relative;height:520px;display:flex;align-items:center;justify-content:center;}
  .light-box{
    position:relative;width:280px;
    padding:26px 22px;
    border-radius:34px;
    background:linear-gradient(160deg,rgba(255,255,255,.82),rgba(226,238,248,.6));
    border:1px solid rgba(255,255,255,.95);
    box-shadow:0 30px 70px rgba(96,138,170,.26),inset 0 1px 0 #fff;
    backdrop-filter:blur(14px);
  }
  .light-box::after{
    content:"";position:absolute;inset:-16px;border-radius:44px;z-index:-1;
    background:conic-gradient(from 30deg,rgba(127,224,192,.5),rgba(255,255,255,0),rgba(255,152,120,.45),rgba(255,255,255,0),rgba(127,224,192,.5));
    filter:blur(18px);
  }
  .phone{
    border-radius:26px;overflow:hidden;background:#fff;
    border:1px solid rgba(207,227,242,.9);
    box-shadow:0 16px 34px rgba(96,138,170,.2);
  }
  .phone img{width:100%;height:auto;object-fit:cover;}
  .phone-bar{
    display:flex;align-items:center;gap:8px;padding:10px 12px;
    background:linear-gradient(120deg,rgba(201,243,230,.7),rgba(255,217,204,.5));
  }
  .phone-bar i{width:8px;height:8px;border-radius:50%;background:#fff;opacity:.9;}
  .phone-bar span{font-size:.7rem;color:#2b6a58;font-weight:600;}
  .phone-play{
    position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);
    width:54px;height:54px;border-radius:50%;
    background:rgba(255,255,255,.82);border:1px solid #fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 10px 26px rgba(96,138,170,.28);
  }
  .phone-play::before{
    content:"";width:0;height:0;margin-left:4px;
    border-left:14px solid #2f8a76;border-top:9px solid transparent;border-bottom:9px solid transparent;
  }
  .slice{
    position:absolute;border-radius:18px;pointer-events:none;
    border:1px solid rgba(255,255,255,.92);
    background:linear-gradient(140deg,rgba(255,255,255,.55),rgba(201,243,230,.28));
    backdrop-filter:blur(6px);
  }
  .slice.s1{width:96px;height:130px;top:18px;left:6px;transform:rotate(-14deg);}
  .slice.s2{width:78px;height:112px;bottom:44px;right:2px;transform:rotate(13deg);
    background:linear-gradient(140deg,rgba(255,217,204,.55),rgba(255,255,255,.3));}
  .slice.s3{width:64px;height:64px;top:64px;right:26px;transform:rotate(24deg);}
  .chat-buble{
    position:absolute;right:-6px;top:8px;
    background:rgba(255,255,255,.86);border:1px solid #fff;
    padding:8px 14px;border-radius:16px 16px 16px 4px;
    font-size:.76rem;color:var(--ink-soft);
    box-shadow:0 10px 24px rgba(96,138,170,.18);
  }
  .chat-buble.two{top:auto;bottom:22px;left:-10px;right:auto;border-radius:16px 16px 4px 16px;
    background:linear-gradient(120deg,rgba(201,243,230,.9),rgba(255,255,255,.9));}
  .data-chip{
    position:absolute;left:8px;bottom:110px;
    font-size:.72rem;color:#2f7a67;
    background:rgba(255,255,255,.86);border:1px solid #fff;
    padding:6px 12px;border-radius:999px;
    box-shadow:0 8px 20px rgba(96,138,170,.16);
  }

  /* ---------- generic section ---------- */
  section{padding:88px 0;position:relative;}
  .sec-head{margin-bottom:40px;max-width:44em;}
  .sec-head h2{font-size:clamp(1.55rem,2.6vw,2.2rem);font-weight:800;}
  .sec-head p{margin-top:12px;color:var(--ink-soft);font-size:.98rem;}
  .fade-up{opacity:1;transform:translateY(0);transition:transform .7s cubic-bezier(.2,.7,.3,1),opacity .7s ease;}
  .reveal .fade-up{transform:translateY(26px);opacity:.001;}
  .reveal.is-in .fade-up{transform:translateY(0);opacity:1;}
  .reveal .fade-up:nth-child(2){transition-delay:.08s;}
  .reveal .fade-up:nth-child(3){transition-delay:.16s;}
  .reveal .fade-up:nth-child(4){transition-delay:.24s;}

  /* ---------- waterfall ---------- */
  .filters{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px;}
  .filter-chip{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 22px;border-radius:20px;
    background:linear-gradient(120deg,rgba(255,255,255,.8),rgba(226,238,248,.55));
    border:1px solid var(--line);cursor:pointer;
    transition:transform .3s,box-shadow .3s,background .3s;
    box-shadow:0 10px 26px rgba(96,138,170,.1);
  }
  .filter-chip:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(96,138,170,.18);
    background:linear-gradient(120deg,rgba(201,243,230,.8),rgba(255,255,255,.8));}
  .filter-chip b{font-size:.98rem;}
  .filter-chip span{font-size:.76rem;color:var(--ink-faint);}
  .waterfall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .wf-col{display:flex;flex-direction:column;gap:22px;}
  .drama-card{
    background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;position:relative;
    box-shadow:var(--shadow);backdrop-filter:blur(12px);
    transition:transform .35s ease,box-shadow .35s ease;
  }
  .drama-card:hover{transform:translateY(-6px);box-shadow:0 26px 54px rgba(96,138,170,.24);}
  .drama-cover{position:relative;overflow:hidden;}
  .drama-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
  .drama-card:hover .drama-cover img{transform:scale(1.05);}
  .badge{
    position:absolute;left:12px;top:12px;
    font-size:.7rem;padding:4px 11px;border-radius:999px;
    background:rgba(255,255,255,.88);color:#2f7a67;font-weight:600;
    border:1px solid #fff;
  }
  .badge.hot{background:linear-gradient(120deg,var(--coral-soft),#fff);color:#c05a3b;}
  .play-fab{
    position:absolute;right:12px;bottom:12px;width:40px;height:40px;border-radius:50%;
    background:rgba(255,255,255,.88);border:1px solid #fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 20px rgba(96,138,170,.24);
  }
  .play-fab::before{
    content:"";width:0;height:0;margin-left:3px;
    border-left:11px solid #2f8a76;border-top:7px solid transparent;border-bottom:7px solid transparent;
  }
  .drama-info{padding:16px 18px 18px;}
  .drama-info h3{font-size:1rem;font-weight:700;}
  .drama-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px;}
  .drama-tags span{
    font-size:.7rem;color:var(--ink-soft);
    background:rgba(226,238,248,.9);padding:3px 9px;border-radius:999px;
  }
  .heat{margin-top:14px;display:flex;align-items:center;gap:9px;}
  .heat-track{flex:1;height:5px;border-radius:999px;background:rgba(207,227,242,.85);overflow:hidden;}
  .heat-fill{height:100%;border-radius:999px;
    background:linear-gradient(90deg,var(--mint),var(--coral));}
  .heat small{font-size:.7rem;color:var(--ink-faint);white-space:nowrap;}

  /* ---------- honeycomb rank ---------- */
  .honey-grid{
    display:grid;grid-template-columns:repeat(6,1fr);
    gap:18px 14px;align-items:start;
  }
  .hex{
    position:relative;grid-column:span 2;
    background:linear-gradient(150deg,rgba(255,255,255,.85),rgba(226,238,248,.6));
    border:1px solid var(--line);
    clip-path:polygon(25% 3%,75% 3%,100% 50%,75% 97%,25% 97%,0% 50%);
    padding:34px 18px 30px;
    box-shadow:0 16px 34px rgba(96,138,170,.14);
    transition:transform .4s ease,filter .4s ease,box-shadow .4s ease;
  }
  .hex:nth-child(2){grid-column:3 / span 2;transform:translateY(26px);}
  .hex:nth-child(3){grid-column:5 / span 2;transform:translateY(52px);}
  .hex:nth-child(4){grid-column:2 / span 2;transform:translateY(0);}
  .hex:nth-child(5){grid-column:4 / span 2;transform:translateY(26px);}
  .hex:hover{transform:translateY(-8px);filter:drop-shadow(0 14px 22px rgba(127,224,192,.4));}
  .hex:nth-child(2):hover{transform:translateY(16px);}
  .hex:nth-child(3):hover{transform:translateY(42px);}
  .hex:nth-child(5):hover{transform:translateY(14px);}
  .hex-no{
    font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:10px;
    background:linear-gradient(120deg,#8a9aa8,#c6d3de);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hex-no.gold{background:linear-gradient(120deg,#d8a53c,#f7dfa2);-webkit-background-clip:text;background-clip:text;}
  .hex-no.silver{background:linear-gradient(120deg,#93a4b3,#e3ecf3);-webkit-background-clip:text;background-clip:text;}
  .hex-no.bronze{background:linear-gradient(120deg,#b97a4e,#ecc4a2);-webkit-background-clip:text;background-clip:text;}
  .hex-thumb{
    width:74px;height:94px;margin:0 auto 12px;border-radius:12px;overflow:hidden;
    border:1px solid #fff;box-shadow:0 8px 18px rgba(96,138,170,.2);
  }
  .hex-thumb img{width:100%;height:100%;object-fit:cover;}
  .hex-title{text-align:center;font-size:.9rem;font-weight:700;}
  .hex-sub{text-align:center;font-size:.72rem;color:var(--ink-faint);margin-top:6px;}
  .hex-heat{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:12px;}
  .hex-heat .heat-track{max-width:96px;}

  /* ---------- floating windows (自制) ---------- */
  .window-grid{
    display:grid;grid-template-columns:repeat(6,1fr);gap:22px;
  }
  .window-card{
    position:relative;border-radius:26px;overflow:hidden;
    background:rgba(255,255,255,.7);border:1px solid var(--line);
    box-shadow:var(--shadow);backdrop-filter:blur(12px);
    transition:transform .4s ease,box-shadow .4s ease;
  }
  .window-card:hover{transform:translateY(-8px);box-shadow:0 30px 60px rgba(96,138,170,.26);}
  .window-card:hover::after{
    content:"";position:absolute;inset:0;border-radius:26px;pointer-events:none;
    box-shadow:inset 0 0 0 1.5px rgba(127,224,192,.7);
  }
  .wc-a{grid-column:1 / span 3;grid-row:1 / span 2;}
  .wc-b{grid-column:4 / span 3;grid-row:1 / span 1;transform:translateY(18px);}
  .wc-b:hover{transform:translateY(10px);}
  .wc-c{grid-column:4 / span 1;grid-row:2 / span 1;}
  .wc-d{grid-column:5 / span 2;grid-row:2 / span 1;transform:translateY(16px);}
  .wc-d:hover{transform:translateY(8px);}
  .wc-cover{position:relative;overflow:hidden;}
  .wc-a .wc-cover img{width:100%;height:300px;object-fit:cover;}
  .wc-b .wc-cover img{width:100%;height:172px;object-fit:cover;}
  .wc-c .wc-cover img{width:100%;height:100%;min-height:150px;object-fit:cover;}
  .wc-d .wc-cover img{width:100%;height:150px;object-fit:cover;}
  .wc-info{padding:16px 18px 18px;}
  .wc-info h3{font-size:.96rem;}
  .wc-info p{font-size:.78rem;color:var(--ink-faint);margin-top:6px;}

  /* ---------- prism recommend ---------- */
  .recommend-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start;}
  .slice-stack{display:flex;flex-direction:column;gap:16px;}
  .rec-slice{
    display:flex;align-items:center;gap:18px;
    padding:18px 22px;border-radius:22px;
    background:linear-gradient(120deg,rgba(255,255,255,.82),rgba(201,243,230,.42));
    border:1px solid var(--line);
    box-shadow:0 14px 30px rgba(96,138,170,.12);
    transition:transform .35s ease,box-shadow .35s ease;
  }
  .rec-slice:nth-child(2){margin-left:22px;background:linear-gradient(120deg,rgba(255,217,204,.42),rgba(255,255,255,.82));}
  .rec-slice:nth-child(3){margin-left:44px;}
  .rec-slice:hover{transform:translateX(6px);box-shadow:0 20px 40px rgba(96,138,170,.2);}
  .ring{
    width:62px;height:62px;flex-shrink:0;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:.78rem;font-weight:800;color:#2f7a67;
    background:conic-gradient(var(--mint) 0 78%,rgba(226,238,248,.9) 78% 100%);
    position:relative;
  }
  .ring::after{
    content:"";position:absolute;inset:7px;border-radius:50%;background:#fff;
  }
  .ring span{position:relative;z-index:1;}
  .ring.r2{background:conic-gradient(var(--coral) 0 64%,rgba(226,238,248,.9) 64% 100%);color:#b85a3b;}
  .ring.r3{background:conic-gradient(#8fc3e8 0 52%,rgba(226,238,248,.9) 52% 100%);color:#3f6d8f;}
  .rec-slice-info h3{font-size:.94rem;}
  .rec-slice-info p{font-size:.78rem;color:var(--ink-soft);margin-top:5px;}
  .rec-poster-card{
    border-radius:26px;overflow:hidden;background:rgba(255,255,255,.72);
    border:1px solid var(--line);box-shadow:var(--shadow);
  }
  .rec-poster-card img{width:100%;height:330px;object-fit:cover;}
  .rec-poster-info{padding:18px 22px 22px;}
  .rec-poster-info h3{font-size:1.05rem;}
  .rec-poster-info p{font-size:.84rem;color:var(--ink-soft);margin-top:8px;}

  /* ---------- crystal features ---------- */
  .crystal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .crystal-card{
    padding:28px 22px;border-radius:24px;
    background:linear-gradient(155deg,rgba(255,255,255,.86),rgba(226,238,248,.5));
    border:1px solid var(--line);
    box-shadow:0 16px 34px rgba(96,138,170,.12);
    transition:transform .4s ease,box-shadow .4s ease;
    position:relative;overflow:hidden;
  }
  .crystal-card::before{
    content:"";position:absolute;width:120px;height:120px;border-radius:50%;
    right:-40px;top:-40px;background:radial-gradient(circle,rgba(127,224,192,.4),transparent 70%);
  }
  .crystal-card:nth-child(1){transform:rotate(-2deg);}
  .crystal-card:nth-child(2){transform:rotate(1.4deg) translateY(14px);}
  .crystal-card:nth-child(3){transform:rotate(-1.2deg);}
  .crystal-card:nth-child(4){transform:rotate(2deg) translateY(10px);}
  .crystal-card:hover{transform:rotate(0) translateY(-6px);box-shadow:0 24px 50px rgba(127,192,192,.3);}
  .crystal-icon{
    width:48px;height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;
    font-size:1.3rem;margin-bottom:16px;
    background:linear-gradient(130deg,var(--mint-soft),var(--coral-soft));
    border:1px solid #fff;
  }
  .crystal-card h3{font-size:.98rem;margin-bottom:9px;}
  .crystal-card p{font-size:.82rem;color:var(--ink-soft);}

  /* ---------- member tower ---------- */
  .tower{
    display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
    padding:44px;border-radius:30px;
    background:linear-gradient(150deg,rgba(255,255,255,.9),rgba(201,243,230,.45) 45%,rgba(255,217,204,.42));
    border:1px solid var(--line);
    box-shadow:0 30px 66px rgba(96,138,170,.2);
    position:relative;overflow:hidden;
  }
  .tower::after{
    content:"";position:absolute;top:-80px;right:-60px;width:240px;height:240px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,152,120,.28),transparent 70%);
  }
  .tower h2{font-size:clamp(1.4rem,2.3vw,1.9rem);}
  .tower p.lead{margin-top:12px;color:var(--ink-soft);font-size:.94rem;}
  .perk-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;}
  .perk{
    display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--ink-soft);
    background:rgba(255,255,255,.68);border:1px solid var(--line);
    padding:11px 15px;border-radius:16px;
  }
  .perk i{
    width:22px;height:22px;border-radius:8px;flex-shrink:0;
    background:linear-gradient(130deg,var(--mint),var(--coral));
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:.7rem;font-style:normal;font-weight:700;
  }
  .tower-side{text-align:center;position:relative;z-index:1;}
  .tower-price{
    font-size:.86rem;color:var(--ink-faint);margin-bottom:18px;
  }
  .btn-pill{
    display:inline-block;padding:15px 42px;border-radius:999px;
    font-weight:700;font-size:.96rem;color:#0d3b30;
    background:linear-gradient(120deg,var(--mint) 0%,#abeeda 48%,var(--coral) 100%);
    box-shadow:0 16px 34px rgba(127,192,192,.42);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .btn-pill:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(127,192,192,.52);}
  .tower-base{
    margin-top:22px;height:12px;border-radius:999px;
    background:linear-gradient(90deg,transparent,rgba(127,224,192,.6),rgba(255,152,120,.6),transparent);
    filter:blur(3px);
  }

  /* ---------- platform capsules ---------- */
  .platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .platform-card{
    padding:30px 24px;border-radius:28px;
    background:rgba(255,255,255,.68);
    border:1px solid var(--line);
    box-shadow:0 16px 34px rgba(96,138,170,.12);
    transition:transform .35s ease,box-shadow .35s ease;
    backdrop-filter:blur(10px);
  }
  .platform-card:hover{transform:translateY(-7px);box-shadow:0 26px 52px rgba(96,138,170,.22);}
  .platform-icon{
    width:52px;height:52px;border-radius:18px;
    display:flex;align-items:center;justify-content:center;font-size:1.35rem;
    background:linear-gradient(130deg,rgba(201,243,230,.95),rgba(255,217,204,.9));
    border:1px solid #fff;margin-bottom:18px;
  }
  .platform-card h3{font-size:.98rem;margin-bottom:8px;}
  .platform-card p{font-size:.82rem;color:var(--ink-soft);}

  /* ---------- download box ---------- */
  .dl-box{
    display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
    padding:52px 48px;border-radius:32px;
    background:linear-gradient(140deg,rgba(255,255,255,.9),rgba(226,238,248,.6) 55%,rgba(201,243,230,.55));
    border:1px solid var(--line);
    box-shadow:0 34px 72px rgba(96,138,170,.22);
    position:relative;overflow:hidden;
  }
  .dl-box::before{
    content:"";position:absolute;left:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(127,224,192,.35),transparent 70%);
  }
  .dl-box h2{font-size:clamp(1.5rem,2.4vw,2rem);}
  .dl-box p{margin-top:14px;color:var(--ink-soft);font-size:.92rem;max-width:34em;}
  .store-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1;}
  .store-btn{
    display:flex;align-items:center;gap:10px;
    padding:13px 28px;border-radius:999px;font-size:.9rem;font-weight:700;
    background:rgba(255,255,255,.86);border:1px solid var(--line);color:var(--ink);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .store-btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(127,192,192,.3);}
  .store-btn.primary{
    background:linear-gradient(120deg,var(--mint),#aeeedb 50%,var(--coral));
    color:#0d3b30;border-color:transparent;
    box-shadow:0 14px 30px rgba(127,192,192,.36);
  }
  .qr-side{text-align:center;position:relative;z-index:1;}
  .qr-frame{
    width:172px;height:172px;margin:0 auto;border-radius:22px;
    background:repeating-linear-gradient(45deg,#e7f1f8 0 8px,#f3f9fd 8px 16px);
    border:1px solid #fff;box-shadow:0 16px 34px rgba(96,138,170,.2);
    display:flex;align-items:center;justify-content:center;
    font-size:.78rem;color:var(--ink-faint);
  }
  .qr-side small{display:block;margin-top:14px;font-size:.76rem;color:var(--ink-faint);}

  /* ---------- footer ---------- */
  .site-footer{
    padding:60px 0 30px;
    background:linear-gradient(180deg,rgba(255,255,255,.4),rgba(226,238,248,.72));
    border-top:1px solid rgba(255,255,255,.9);
  }
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand img{height:30px;width:auto;border-radius:8px;}
  .footer-brand b{font-size:1rem;}
  .footer-about{font-size:.82rem;color:var(--ink-faint);line-height:1.85;max-width:26em;}
  .footer-col h4{font-size:.85rem;margin-bottom:12px;color:var(--ink-soft);}
  .footer-col a{
    display:block;font-size:.8rem;color:var(--ink-faint);
    padding:5px 0;transition:color .25s;
  }
  .footer-col a:hover{color:#2f8a76;}
  .footer-bottom{
    margin-top:44px;padding-top:20px;
    border-top:1px solid rgba(255,255,255,.9);
    display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
    font-size:.74rem;color:var(--ink-faint);
  }
  .footer-bottom a{color:var(--ink-faint);transition:color .25s;}
  .footer-bottom a:hover{color:#2f8a76;}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .main-nav{display:none;}
    .hero{padding-top:120px;min-height:auto;}
    .hero-grid{grid-template-columns:1fr;gap:50px;}
    .prism-stage{height:440px;}
    .crystal-grid{grid-template-columns:repeat(2,1fr);}
    .platform-grid{grid-template-columns:repeat(2,1fr);}
    .recommend-grid{grid-template-columns:1fr;}
    .tower{grid-template-columns:1fr;gap:28px;}
    .dl-box{grid-template-columns:1fr;gap:34px;padding:40px 32px;}
    .footer-top{grid-template-columns:1fr 1fr;}
    .honey-grid{grid-template-columns:repeat(4,1fr);}
    .hex{grid-column:span 2 !important;transform:none !important;}
    .hex:hover{transform:translateY(-8px) !important;}
    .window-grid{grid-template-columns:repeat(4,1fr);}
    .wc-a{grid-column:1 / span 4;grid-row:auto;}
    .wc-b{grid-column:1 / span 2;grid-row:auto;transform:none;}
    .wc-c{grid-column:3 / span 2;grid-row:auto;}
    .wc-d{grid-column:1 / span 4;grid-row:auto;transform:none;}
  }
  @media (max-width:768px){
    header .search-box{display:none;}
    .brand img{height:30px;}
    .brand-name{font-size:1.02rem;}
    .btn-download{padding:9px 16px;font-size:.84rem;}
    .dl-panel{width:min(300px,88vw);}
    .hero{padding-top:110px;padding-bottom:56px;}
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost{width:100%;text-align:center;}
    .metrics{gap:24px;}
    .metric b{font-size:1.4rem;}
    .prism-stage{height:400px;transform:scale(.94);}
    .light-box{width:230px;}
    section{padding:60px 0;}
    .filters{grid-template-columns:1fr;gap:12px;}
    .waterfall{grid-template-columns:repeat(2,1fr);gap:14px;}
    .wf-col{gap:14px;}
    .drama-info{padding:12px 13px 14px;}
    .drama-info h3{font-size:.9rem;}
    .heat small{display:none;}
    .honey-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
    .hex{grid-column:span 1 !important;padding:26px 12px 22px;}
    .window-grid{grid-template-columns:1fr;gap:16px;}
    .wc-a,.wc-b,.wc-c,.wc-d{grid-column:1 / span 1;grid-row:auto;transform:none;}
    .wc-a .wc-cover img,.wc-b .wc-cover img,.wc-d .wc-cover img{height:200px;}
    .crystal-grid,.platform-grid{grid-template-columns:1fr;}
    .crystal-card{transform:none !important;}
    .crystal-card:hover{transform:translateY(-6px) !important;}
    .rec-slice:nth-child(2),.rec-slice:nth-child(3){margin-left:0;}
    .rec-slice{border-radius:18px;padding:15px 17px;}
    .tower{padding:28px 22px;border-radius:24px;}
    .perk-list{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr;gap:26px;}
    .dl-box{padding:30px 22px;border-radius:24px;}
    .store-row{flex-direction:column;}
    .store-btn{width:100%;justify-content:center;}
    .footer-bottom{font-size:.7rem;}
  }