*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --dark:#09090f;--dark2:#0f0f1e;--dark3:#16162a;--dark4:#1e1e38;
  --pri:#6c63ff;--pri2:#8b5cf6;--pri3:#a78bfa;
  --gold:#f59e0b;--gold2:#fbbf24;--gold3:#fde68a;
  --green:#10b981;--green2:#34d399;
  --txt:#e2e2f0;--muted:#7070a0;
  --bdr:rgba(255,255,255,.08);--card:rgba(255,255,255,.04);
  --grad:linear-gradient(135deg,var(--pri),var(--pri2));
  --gradg:linear-gradient(135deg,var(--green),#059669);
  --gradgo:linear-gradient(135deg,var(--gold),#d97706);
  --r:14px;--r2:10px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB',sans-serif;
     background:var(--dark);color:var(--txt);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--r2)}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--dark)}
::-webkit-scrollbar-thumb{background:var(--pri);border-radius:3px}

/* ── NAVBAR ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;padding:0 24px;height:60px;
     display:flex;align-items:center;justify-content:space-between;
     transition:background .3s,backdrop-filter .3s}
.nav.scrolled{background:rgba(9,9,15,.85);backdrop-filter:blur(12px);
              border-bottom:1px solid var(--bdr)}
.nav-logo{font-size:18px;font-weight:700;background:var(--grad);
          -webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:28px;font-size:14px}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--txt)}
.nav-cta{background:var(--grad);color:#fff;padding:8px 20px;border-radius:50px;
         font-size:13px;font-weight:600;transition:opacity .2s}
.nav-cta:hover{opacity:.85}
.nav-mobile-btn{display:none;background:none;border:none;color:var(--txt);
                font-size:22px;cursor:pointer;padding:4px}
.nav-mobile-menu{display:none;position:fixed;top:60px;left:0;right:0;
                 background:rgba(9,9,15,.97);backdrop-filter:blur(12px);
                 padding:20px 24px 28px;border-bottom:1px solid var(--bdr);z-index:899}
.nav-mobile-menu.open{display:block}
.nav-mobile-menu a{display:block;padding:12px 0;color:var(--txt);font-size:16px;
                   border-bottom:1px solid var(--bdr)}
.nav-mobile-menu a:last-child{border:none}

/* ── SECTION COMMONS ── */
.sec{padding:100px 24px}
.sec-inner{max-width:1100px;margin:0 auto}
.sec-label{font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;
           color:var(--pri3);margin-bottom:12px}
.sec-title{font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.25;margin-bottom:16px}
.sec-title span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sec-sub{font-size:13.5px;color:var(--muted);max-width:560px;margin-bottom:42px;line-height:1.7}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s,transform .6s}
.reveal.visible{opacity:1;transform:none}

/* ── HERO ── */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;
      text-align:center;padding:30px 24px 60px;position:relative;overflow:hidden}
@media(max-width:680px){
  .hero{padding:20px 20px 40px}
}
/* TG Mini App 模式：hero 不强制 100vh，进一步压缩上方留白 */
body.tg-miniapp .hero{min-height:auto;padding:16px 20px 40px;align-items:flex-start}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(ellipse 80% 60% at 50% -10%,rgba(108,99,255,.25) 0%,transparent 70%),
  radial-gradient(ellipse 50% 40% at 80% 80%,rgba(139,92,246,.12) 0%,transparent 60%),
  var(--dark);z-index:0}
.hero-inner{position:relative;z-index:1;max-width:780px;margin:0 auto}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(108,99,255,.15);
          border:1px solid rgba(108,99,255,.3);border-radius:50px;
          padding:6px 16px;font-size:13px;color:var(--pri3);margin-bottom:18px}
.hero-tag span{width:6px;height:6px;background:var(--green2);border-radius:50%;
               animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(34px,7vw,68px);font-weight:900;line-height:1.15;margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad);
            -webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:clamp(15px,2vw,18px);color:var(--muted);margin-bottom:44px;line-height:1.8}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-pri{background:var(--grad);color:#fff;padding:14px 32px;border-radius:50px;
         font-size:15px;font-weight:700;transition:transform .2s,box-shadow .2s;
         box-shadow:0 4px 24px rgba(108,99,255,.35)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(108,99,255,.45)}
.btn-sec{background:var(--card);color:var(--txt);padding:14px 32px;border-radius:50px;
         font-size:15px;font-weight:600;border:1px solid var(--bdr);
         transition:transform .2s,background .2s}
.btn-sec:hover{transform:translateY(-2px);background:rgba(255,255,255,.08)}
.btn-join{background:rgba(245,158,11,.12);color:var(--gold2);padding:14px 32px;border-radius:50px;
          font-size:15px;font-weight:700;border:1.5px solid rgba(245,158,11,.35);
          transition:transform .2s,background .2s}
.btn-join:hover{transform:translateY(-2px);background:rgba(245,158,11,.22)}
.hero-scroll{margin-top:60px;color:var(--muted);font-size:12px;letter-spacing:2px;
             display:flex;flex-direction:column;align-items:center;gap:8px}
.hero-scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--pri),transparent);
                  animation:scrollLine 2s infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}
                      50%{transform:scaleY(1);transform-origin:top}
                      51%{transform:scaleY(1);transform-origin:bottom}
                      100%{transform:scaleY(0);transform-origin:bottom}}

/* ── PROJECT SECTIONS ── */
.proj-sec{padding:100px 24px}
.proj-sec.proj-a{background:linear-gradient(180deg,var(--dark) 0%,var(--dark2) 100%)}
.proj-sec.proj-b{background:linear-gradient(180deg,var(--dark2) 0%,var(--dark) 100%)}
.proj-inner{max-width:1100px;margin:0 auto}
.proj-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;
            border-radius:50px;font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:20px}
.proj-badge.green{background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.3);color:var(--green2)}
.proj-badge.gold{background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.3);color:var(--gold2)}
.proj-header{margin-bottom:40px}
.proj-title{font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.2;margin-bottom:14px}
.proj-title .tag-a{background:var(--gradg);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.proj-title .tag-b{background:var(--gradgo);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.proj-desc{font-size:13.5px;color:var(--muted);max-width:640px;line-height:1.75;margin-bottom:18px}
.proj-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.proj-tag{background:var(--card);border:1px solid var(--bdr);border-radius:20px;
          padding:5px 12px;font-size:12px;color:var(--txt);line-height:1.5;font-weight:500;
          display:inline-flex;align-items:center}
.proj-tag.g{border-color:rgba(16,185,129,.25);color:var(--green2)}
.proj-tag.go{border-color:rgba(245,158,11,.25);color:var(--gold2)}

/* video grid */
.video-grid{display:grid;gap:24px}
.video-grid.cols2{grid-template-columns:repeat(2,1fr)}
.video-grid.cols1{grid-template-columns:1fr;max-width:680px}
.video-card{background:var(--dark3);border:1px solid var(--bdr);border-radius:var(--r);overflow:hidden}
.video-label{padding:14px 20px;display:flex;align-items:center;gap:10px;
             border-bottom:1px solid var(--bdr);font-size:14px;font-weight:600}
.video-label .icon{font-size:18px}
.video-label .sub{font-size:12px;color:var(--muted);font-weight:400}
.video-embed{position:relative;padding-bottom:56.25%;background:#000;overflow:hidden}
.video-embed iframe,.video-embed video{position:absolute;inset:0;width:100%;height:100%;border:none}
/* 原生 <video> 元素（直链 mp4 / HLS，根治 2 击问题）*/
.vid-native{background:#000;object-fit:contain;display:block}
.video-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;
                   align-items:center;justify-content:center;gap:12px;
                   background:var(--dark4);color:var(--muted)}
.vp-play{width:56px;height:56px;border-radius:50%;background:rgba(108,99,255,.2);
          border:2px solid rgba(108,99,255,.4);display:flex;align-items:center;justify-content:center;
          font-size:20px;color:var(--pri3)}
.vp-text{font-size:13px;text-align:center;padding:0 24px;line-height:1.6}
.vid-fallback-btn{position:absolute;right:8px;bottom:8px;z-index:6;
  background:rgba(0,0,0,.45);color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.15);
  border-radius:20px;font-size:10.5px;padding:4px 10px;cursor:pointer;opacity:.4;
  transition:opacity .2s,background .2s}
.vid-fallback-btn:hover{opacity:1;background:rgba(0,0,0,.78);color:#fde68a}

/* project b warning */
.proj-notice{background:rgba(245,158,11,.07);border:1px solid rgba(245,158,11,.2);
             border-radius:var(--r2);padding:10px 14px;margin-bottom:22px;
             display:flex;gap:8px;align-items:center;font-size:12px;line-height:1.6}
.proj-notice .ni{font-size:15px;flex-shrink:0}
.proj-notice strong{color:var(--gold2)}

/* ── FEEDBACK (横向滚动画廊) ── */
.feedback-sec{padding:100px 24px;background:var(--dark2)}
.feedback-inner{max-width:1100px;margin:0 auto}
.feedback-scroll-wrap{position:relative}
.feedback-track{display:flex;gap:14px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;
                -webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--pri) var(--dark4)}
.feedback-track::-webkit-scrollbar{height:4px}
.feedback-track::-webkit-scrollbar-track{background:var(--dark4);border-radius:2px}
.feedback-track::-webkit-scrollbar-thumb{background:var(--pri);border-radius:2px}
.feedback-item{flex:0 0 auto;width:180px;cursor:pointer;border-radius:var(--r2);overflow:hidden;
               scroll-snap-align:start;transition:transform .25s,box-shadow .25s}
.feedback-item:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.6)}
.feedback-item img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;border-radius:var(--r2)}
.feedback-empty{color:var(--muted);font-size:14px;padding:40px 0;text-align:center}
.feedback-note{text-align:center;margin-top:18px;font-size:12px;color:var(--muted)}
.scroll-hint{text-align:center;font-size:12px;color:var(--muted);margin-bottom:14px;letter-spacing:.5px}
@media(min-width:700px){.feedback-item{width:200px}}
@media(min-width:1000px){.feedback-item{width:220px}}

/* lightbox */
.lightbox{display:none;position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.93);
          align-items:center;justify-content:center;padding:20px}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:90vh;border-radius:var(--r);object-fit:contain}
.lightbox-close{position:fixed;top:16px;right:20px;font-size:32px;color:#fff;cursor:pointer;
                opacity:.7;transition:opacity .2s;line-height:1}
.lightbox-close:hover{opacity:1}
.lightbox-prev,.lightbox-next{position:fixed;top:50%;transform:translateY(-50%);
                               background:rgba(255,255,255,.1);border:none;color:#fff;
                               font-size:24px;width:48px;height:48px;border-radius:50%;
                               cursor:pointer;display:flex;align-items:center;justify-content:center;
                               transition:background .2s}
.lightbox-prev{left:12px}.lightbox-next{right:12px}
.lightbox-prev:hover,.lightbox-next:hover{background:rgba(255,255,255,.2)}

/* ── VIDEO ── */
.video-embed iframe,.video-embed video{position:absolute;inset:0;width:100%;height:100%;border:none;display:block;background:#000}
.vid-cover{position:absolute;inset:0;cursor:pointer;overflow:hidden}
.vid-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.vid-cover:hover img{transform:scale(1.03)}
.vid-cover-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
                background:rgba(0,0,0,.28);transition:background .2s}
.vid-cover:hover .vid-cover-play{background:rgba(0,0,0,.42)}
.vp-play-big{width:68px;height:68px;border-radius:50%;background:rgba(255,255,255,.92);
             display:flex;align-items:center;justify-content:center;
             font-size:26px;color:#1a1a2e;padding-left:4px;
             box-shadow:0 4px 20px rgba(0,0,0,.3);transition:transform .2s}
.vid-cover:hover .vp-play-big{transform:scale(1.1)}

/* ── VIDEO CHAPTERS（视频章节快捷跳转）── */
.video-chapters-wrap{padding:14px 14px 4px}
.video-chapters-label{display:flex;align-items:center;justify-content:center;gap:10px;
                      font-size:12.5px;font-weight:700;color:var(--gold2);
                      letter-spacing:1px;margin-bottom:12px}
.video-chapters-label::before,.video-chapters-label::after{
  content:'';flex:1;height:1px;
  background:linear-gradient(to right,transparent,rgba(245,158,11,.35),transparent)}
.video-chapters-label .vcl-icon{font-size:14px;animation:pulse 2s ease-in-out infinite}
.video-chapters{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.chap-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
          gap:4px;padding:12px 4px 10px;border-radius:12px;border:1.5px solid;background:var(--card);
          cursor:pointer;font-family:inherit;text-align:center;overflow:hidden;
          transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
.chap-btn::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .3s;
                  background:linear-gradient(135deg,currentColor 0%,transparent 60%);pointer-events:none}
.chap-btn:hover::before{opacity:.08}
.chap-btn:active{transform:scale(.96)}
.chap-btn .chap-icon{font-size:22px;line-height:1;filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.chap-btn .chap-name{font-size:12.5px;font-weight:800;letter-spacing:.3px}
.chap-btn .chap-time{font-size:10px;font-weight:600;opacity:.75;font-family:'SF Mono','Consolas',monospace;
                     background:rgba(0,0,0,.25);padding:1px 6px;border-radius:50px;letter-spacing:.5px}
.chap-btn.chap-disabled{cursor:not-allowed;opacity:.45;filter:grayscale(.6)}
.chap-btn.chap-disabled:hover{transform:none}
/* 四个按钮配色：金 / 紫 / 绿 / 蓝 */
.chap-1{border-color:rgba(245,158,11,.45);background:linear-gradient(135deg,rgba(245,158,11,.12),rgba(251,191,36,.06));color:var(--gold2)}
.chap-1 .chap-name{color:var(--gold2)}
.chap-1:not(.chap-disabled):hover{transform:translateY(-3px);box-shadow:0 6px 22px rgba(245,158,11,.28);
                                  border-color:rgba(245,158,11,.7);background:linear-gradient(135deg,rgba(245,158,11,.22),rgba(251,191,36,.12))}
.chap-2{border-color:rgba(139,92,246,.45);background:linear-gradient(135deg,rgba(108,99,255,.12),rgba(139,92,246,.06));color:var(--pri3)}
.chap-2 .chap-name{color:var(--pri3)}
.chap-2:not(.chap-disabled):hover{transform:translateY(-3px);box-shadow:0 6px 22px rgba(108,99,255,.28);
                                  border-color:rgba(108,99,255,.7);background:linear-gradient(135deg,rgba(108,99,255,.22),rgba(139,92,246,.12))}
.chap-3{border-color:rgba(16,185,129,.45);background:linear-gradient(135deg,rgba(16,185,129,.12),rgba(52,211,153,.06));color:var(--green2)}
.chap-3 .chap-name{color:var(--green2)}
.chap-3:not(.chap-disabled):hover{transform:translateY(-3px);box-shadow:0 6px 22px rgba(16,185,129,.28);
                                  border-color:rgba(16,185,129,.7);background:linear-gradient(135deg,rgba(16,185,129,.22),rgba(52,211,153,.12))}
.chap-4{border-color:rgba(59,130,246,.45);background:linear-gradient(135deg,rgba(59,130,246,.12),rgba(96,165,250,.06));color:#60a5fa}
.chap-4 .chap-name{color:#60a5fa}
.chap-4:not(.chap-disabled):hover{transform:translateY(-3px);box-shadow:0 6px 22px rgba(59,130,246,.28);
                                  border-color:rgba(59,130,246,.7);background:linear-gradient(135deg,rgba(59,130,246,.22),rgba(96,165,250,.12))}
/* 手机端：2x2 网格更紧凑 */
@media(max-width:560px){
  .video-chapters{grid-template-columns:repeat(2,1fr);gap:7px}
  .video-chapters-wrap{padding:12px 10px 4px}
  .chap-btn{padding:10px 4px 8px;border-radius:10px}
  .chap-btn .chap-icon{font-size:20px}
  .chap-btn .chap-name{font-size:12px}
  .chap-btn .chap-time{font-size:9.5px}
}

/* ── VIDEO BUTTONS ── */
.video-action-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.vbtn{display:flex;align-items:center;justify-content:center;gap:10px;
      padding:14px 16px;border-radius:var(--r2);font-size:14px;font-weight:700;
      text-decoration:none;transition:transform .2s,box-shadow .2s;text-align:center;line-height:1.4}
.vbtn-green{background:rgba(16,185,129,.12);border:1.5px solid rgba(16,185,129,.35);
            color:var(--green2)}
.vbtn-green:hover{background:rgba(16,185,129,.22);transform:translateY(-2px);
                  box-shadow:0 6px 20px rgba(16,185,129,.2)}
.vbtn-blue{background:rgba(59,130,246,.12);border:1.5px solid rgba(59,130,246,.35);
           color:#60a5fa}
.vbtn-blue:hover{background:rgba(59,130,246,.2);transform:translateY(-2px);
                 box-shadow:0 6px 20px rgba(59,130,246,.2)}
.vbtn .vbtn-icon{font-size:20px;flex-shrink:0}
.vbtn .vbtn-text{display:flex;flex-direction:column;align-items:flex-start}
.vbtn .vbtn-title{font-size:14px;font-weight:700;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.vbtn .vbtn-sub{font-size:11px;opacity:.7;font-weight:400;margin-top:2px}
/* 限时免费标签 */
.free-badge{font-style:normal;font-size:10px;font-weight:700;
            background:#ef4444;color:#fff;padding:1px 6px;border-radius:4px;
            letter-spacing:.5px;white-space:nowrap;animation:pulse-badge 2s infinite}
@keyframes pulse-badge{0%,100%{opacity:1}50%{opacity:.65}}
/* 限时免费提示条 */
.tool-free-notice{display:flex;align-items:flex-start;gap:12px;
  background:linear-gradient(135deg,rgba(245,158,11,.12),rgba(239,68,68,.08));
  border:1px solid rgba(245,158,11,.4);border-radius:var(--r2);
  padding:14px 16px;margin-top:18px}
.tfn-icon{font-size:22px;flex-shrink:0;margin-top:1px}
.tfn-body{flex:1}
.tfn-body strong{display:block;color:var(--gold);font-size:13.5px;font-weight:700;margin-bottom:4px}
.tfn-body span{font-size:12px;color:var(--muted);line-height:1.6}
.tfn-body em{font-style:normal;color:#ef4444;font-weight:600}
@media(max-width:480px){.video-action-row{grid-template-columns:1fr}}

/* ── 竖屏视频：手机保持9:16，电脑改为16:9 ── */
.video-embed-portrait{padding-bottom:177.78%}
@media(min-width:681px){.video-embed-portrait{padding-bottom:56.25%}}

/* ── BACK TO TOP ── */
.back-top{position:fixed;bottom:28px;right:24px;z-index:800;width:44px;height:44px;
          border-radius:50%;background:var(--grad);color:#fff;border:none;cursor:pointer;
          font-size:18px;display:flex;align-items:center;justify-content:center;
          box-shadow:0 4px 16px rgba(108,99,255,.4);opacity:0;pointer-events:none;
          transition:opacity .3s,transform .3s}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px)}

/* ── CONTACT SECTION ── */
.contact-sec{padding:64px 24px;background:var(--dark2)}
.contact-inner{max-width:560px;margin:0 auto;text-align:center}
.contact-inner .sec-title{text-align:center}
.contact-inner .sec-sub{margin:0 auto 32px}
.contact-cards{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.contact-card{display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--bdr);border-radius:var(--r2);
  padding:18px 28px;min-width:220px;flex:1;max-width:260px;
  transition:transform .2s,border-color .2s,box-shadow .2s;text-decoration:none}
.contact-card:hover{transform:translateY(-3px);border-color:var(--pri);
  box-shadow:0 8px 28px rgba(108,99,255,.2)}
.contact-card-icon{font-size:32px;flex-shrink:0}
.contact-card-info{text-align:left}
.contact-card-name{font-size:13px;color:var(--muted);margin-bottom:3px}
.contact-card-id{font-size:15px;font-weight:700;color:var(--txt)}
@media(max-width:480px){
  .contact-cards{flex-direction:column;align-items:center}
  .contact-card{width:100%;max-width:100%}
}

/* ── REFERRAL SECTION ── */
.join-sec{padding:100px 24px;background:var(--dark)}
.join-inner{max-width:680px;margin:0 auto;text-align:center}
.join-inner .sec-title{text-align:center}
.join-inner .sec-sub{margin:0 auto 40px}
.join-card{background:var(--dark3);border:1px solid var(--bdr);border-radius:var(--r);
           padding:36px 32px}

/* share panel */
.share-success{font-size:48px;margin-bottom:8px}
.share-hi{font-size:20px;font-weight:700;margin-bottom:4px}
.share-sub{font-size:14px;color:var(--muted);margin-bottom:28px}
.progress-wrap{margin-bottom:24px}
.progress-label{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px}
.progress-bar{height:8px;background:var(--dark4);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:var(--grad);border-radius:4px;transition:width 1s ease}
.code-box{background:var(--dark4);border:1px solid var(--bdr);border-radius:var(--r2);
           padding:18px 20px;margin-bottom:14px;text-align:left}
.code-label{font-size:12px;color:var(--muted);margin-bottom:8px;font-weight:600;letter-spacing:.5px}
.code-value{font-size:13px;line-height:1.7;word-break:break-all;margin-bottom:12px}
.copy-btn{width:100%;padding:10px;border-radius:var(--r2);background:var(--grad);
          color:#fff;border:none;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .2s}
.copy-btn:hover{opacity:.85}
.claim-panel{background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.25);
             border-radius:var(--r2);padding:20px;text-align:left;margin-bottom:14px}
.claim-title{color:var(--green2);font-weight:700;font-size:15px;margin-bottom:10px}
.claim-content{font-size:14px;color:var(--txt);line-height:1.8;white-space:pre-wrap}
.share-tip{background:var(--dark4);border-radius:var(--r2);padding:16px 18px;
           font-size:13px;color:var(--muted);line-height:1.9;text-align:left}

/* form */
.form-group{margin-bottom:18px;text-align:left}
.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--txt)}
.form-input{width:100%;padding:12px 16px;border-radius:var(--r2);
            background:var(--dark4);border:1px solid var(--bdr);
            color:var(--txt);font-size:15px;outline:none;transition:border .2s}
.form-input:focus{border-color:var(--pri)}
.form-hint{font-size:11px;color:var(--muted);margin-top:5px}
.submit-btn{width:100%;padding:14px;border-radius:var(--r2);background:var(--grad);
            color:#fff;border:none;font-size:16px;font-weight:700;cursor:pointer;
            transition:transform .2s,box-shadow .2s;
            box-shadow:0 4px 20px rgba(108,99,255,.3);margin-top:4px}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(108,99,255,.45)}
.form-privacy{text-align:center;font-size:12px;color:var(--muted);margin-top:12px}
.reward-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,158,11,.12);
              border:1px solid rgba(245,158,11,.3);border-radius:50px;
              padding:6px 18px;font-size:14px;font-weight:600;color:var(--gold2);margin-bottom:20px}
.err-list{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:var(--r2);
          padding:12px 18px;margin-bottom:16px;list-style:none;font-size:14px;color:#fca5a5}
.err-list li::before{content:'✕ '}

/* ── CHATROOM ── */
.chat-sec{padding:80px 24px;background:var(--dark)}
.chat-inner{max-width:700px;margin:0 auto}
.chat-box{background:var(--dark3);border:1px solid var(--bdr);border-radius:var(--r2);overflow:hidden;margin-top:32px}
.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--bdr);background:var(--dark4)}
.chat-header-left{display:flex;align-items:center;gap:10px}
.chat-header-title{font-size:15px;font-weight:700;color:var(--txt)}
.chat-online{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--green2)}
.chat-online-dot{width:7px;height:7px;background:var(--green);border-radius:50%;animation:chatpulse 1.5s ease-in-out infinite}
@keyframes chatpulse{0%,100%{opacity:1}50%{opacity:.4}}
.chat-body{height:420px;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:6px;scroll-behavior:smooth}
.chat-body::-webkit-scrollbar{width:4px}
.chat-body::-webkit-scrollbar-track{background:transparent}
.chat-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px}
.chat-msg{display:flex;gap:10px;align-items:flex-start;animation:chatfade .4s ease-out}
@keyframes chatfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.chat-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0;letter-spacing:-0.5px}
.chat-bubble{flex:1;min-width:0}
.chat-name{font-size:11px;font-weight:600;margin-bottom:3px;display:flex;align-items:center;gap:6px}
.chat-time{font-size:10px;color:var(--muted);font-weight:400}
.chat-text{font-size:13px;color:rgba(255,255,255,.85);line-height:1.6;background:rgba(255,255,255,.05);padding:8px 12px;border-radius:4px 12px 12px 12px;display:inline-block;max-width:100%;word-break:break-word}
.chat-sys{text-align:center;padding:8px 0}
.chat-sys .chat-text{background:rgba(99,102,241,.15);color:var(--pri3);font-size:12px;border-radius:20px;padding:4px 14px}
.chat-footer{padding:12px 18px;border-top:1px solid var(--bdr);background:var(--dark4)}
.chat-input-wrap{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.04);border:1px solid var(--bdr);border-radius:10px;padding:10px 14px;cursor:not-allowed}
.chat-lock-icon{font-size:16px;opacity:.5;flex-shrink:0}
.chat-lock-text{font-size:13px;color:var(--muted);flex:1}
.chat-lock-text a{color:var(--pri3);text-decoration:none;font-weight:600}
.chat-lock-text a:hover{text-decoration:underline}
.chat-empty{text-align:center;padding:60px 20px;color:var(--muted);font-size:13px}

@media(max-width:680px){
  .chat-sec{padding:60px 16px}
  .chat-body{height:360px;padding:12px}
  .chat-text{font-size:12px}
}

/* ── FOOTER ── */
footer{padding:40px 24px;border-top:1px solid var(--bdr);text-align:center}
.footer-links{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;
              margin-bottom:14px;font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--txt)}
.footer-copy{font-size:11px;color:var(--muted);line-height:1.8;padding:0 12px}

/* ── RESPONSIVE ── */
@media(max-width:680px){
  .nav-links,.nav-cta{display:none}
  .nav-mobile-btn{display:block}
  .sec{padding:72px 20px}
  .proj-sec{padding:72px 20px}
  .feedback-sec{padding:72px 20px}
  .join-sec{padding:72px 20px}
  .video-grid.cols2{grid-template-columns:1fr}
  .join-card{padding:24px 18px}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column;align-items:center}
  .btn-pri,.btn-sec,.btn-join{width:100%;text-align:center}
}

/* ════════════ 布局优化 V2 ════════════ */

/* ── Hero btn-pri 高亮版（绿色 + 高光扫过，尺寸跟其他按钮一致）── */
.btn-pri-highlight{
  background:linear-gradient(135deg,#10b981,#059669)!important;
  box-shadow:0 4px 24px rgba(16,185,129,.45)!important;
  position:relative;overflow:hidden
}
.btn-pri-highlight:hover{box-shadow:0 8px 32px rgba(16,185,129,.55)!important}
.btn-pri-highlight::before{
  content:'';position:absolute;top:0;left:-60%;width:50%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.4),transparent);
  animation:btn-pri-shimmer 3s ease-in-out infinite;pointer-events:none
}
@keyframes btn-pri-shimmer{0%,60%{left:-60%}100%{left:130%}}

/* ── Project A 工具说明里的倒计时 ── */
.tfn-countdown-row{display:flex;align-items:center;gap:8px;margin:6px 0;flex-wrap:wrap}
.tfn-countdown-label{font-size:12px;color:#fca5a5;font-weight:600}
.tfn-countdown-time{font-family:'SF Mono','Fira Code',monospace;background:linear-gradient(90deg,rgba(239,68,68,.25),rgba(245,158,11,.2));border:1px solid rgba(239,68,68,.4);color:#fff;font-weight:800;padding:3px 12px;border-radius:14px;font-size:13px;letter-spacing:.8px;animation:tfn-countdown-pulse 2s ease-in-out infinite}
@keyframes tfn-countdown-pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.5)}50%{box-shadow:0 0 0 6px rgba(239,68,68,0)}}

/* ── 项目 Tab 切换系统（修复：wrap 不限宽，让 section 背景全宽延伸）── */
.projects-tabs-wrap{position:relative}
.projects-tabs-nav{display:flex;gap:10px;max-width:1100px;margin:0 auto;padding:60px 24px 0;position:relative;z-index:2}
.proj-tab{flex:1;background:rgba(255,255,255,.04);border:1.5px solid var(--bdr);border-radius:14px 14px 0 0;padding:14px 16px;cursor:pointer;display:flex;align-items:center;gap:12px;color:var(--txt);font-family:inherit;transition:all .25s;position:relative;text-align:left}
.proj-tab:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18)}
.proj-tab-a{flex:1.4}
.proj-tab.active{background:linear-gradient(135deg,rgba(16,185,129,.18),rgba(59,130,246,.12));border-color:rgba(16,185,129,.55);border-bottom-color:transparent;box-shadow:0 -4px 24px rgba(16,185,129,.2)}
.proj-tab-b.active{background:linear-gradient(135deg,rgba(245,158,11,.18),rgba(108,99,255,.12));border-color:rgba(245,158,11,.55);box-shadow:0 -4px 24px rgba(245,158,11,.2)}
.proj-tab-badge{position:absolute;top:-12px;left:14px;background:linear-gradient(135deg,#ef4444,#fbbf24);color:#fff;font-size:10px;font-weight:800;padding:3px 10px;border-radius:50px;letter-spacing:1px;box-shadow:0 4px 12px rgba(239,68,68,.4);animation:badge-pulse 1.6s ease-in-out infinite}
@keyframes badge-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
.proj-tab-icon{font-size:30px;flex-shrink:0;line-height:1}
.proj-tab-info{display:flex;flex-direction:column;min-width:0}
.proj-tab-info strong{font-size:15px;font-weight:800;line-height:1.2}
.proj-tab-info small{font-size:11px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proj-tab.active .proj-tab-info strong{color:#fff}
.proj-tab-panel{display:none;animation:tab-fade .35s ease}
.proj-tab-panel.active{display:block}
@keyframes tab-fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.proj-tab-panel .proj-sec{padding-top:30px}
@media(max-width:600px){
  .projects-tabs-nav{padding-top:40px;gap:6px}
  .proj-tab{padding:10px 12px;gap:8px;border-radius:10px 10px 0 0}
  .proj-tab-a{flex:1.3}
  .proj-tab-icon{font-size:22px}
  .proj-tab-info strong{font-size:13px}
  .proj-tab-info small{font-size:10px}
  .proj-tab-badge{top:-9px;left:10px;font-size:9px;padding:2px 8px}
}

/* ── 顶部 Nav 当前板块高亮 ── */
.nav-links a.nav-active{color:#fbbf24;font-weight:700;position:relative}
.nav-links a.nav-active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:linear-gradient(90deg,transparent,#fbbf24,transparent);border-radius:2px}

/* ── 底部 Sticky CTA 浮动栏（紧凑版）── */
.sticky-cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:850;display:flex;gap:6px;padding:7px 12px env(safe-area-inset-bottom,8px);background:rgba(9,9,15,.95);backdrop-filter:blur(20px);border-top:1px solid rgba(255,255,255,.1);transform:translateY(100%);transition:transform .35s ease;box-shadow:0 -8px 32px rgba(0,0,0,.5)}
.sticky-cta-bar.show{transform:translateY(0)}
.sticky-cta-btn-pri{flex:1.6;padding:9px 12px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:24px;text-align:center;font-weight:800;font-size:13px;text-decoration:none;box-shadow:0 3px 12px rgba(16,185,129,.4);position:relative;overflow:hidden;line-height:1.3;white-space:nowrap}
.sticky-cta-btn-pri::before{content:'';position:absolute;top:0;left:-60%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);animation:sticky-shimmer 3s ease-in-out infinite}
@keyframes sticky-shimmer{0%,55%{left:-60%}100%{left:130%}}
.sticky-cta-btn-sec{flex:1;padding:9px 12px;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border-radius:24px;text-align:center;font-weight:700;font-size:12.5px;text-decoration:none;box-shadow:0 3px 12px rgba(245,158,11,.4);line-height:1.3;white-space:nowrap}
@media(min-width:900px){.sticky-cta-bar{max-width:480px;left:auto;right:24px;bottom:20px;border-radius:50px;border:1px solid rgba(255,255,255,.15)}}
body.has-sticky{padding-bottom:55px}
@media(min-width:900px){body.has-sticky{padding-bottom:0}}

/* ── 聊天室收缩 + 解锁钩子 ── */
.chat-body-collapsed{height:240px!important;overflow:hidden;mask:linear-gradient(180deg,#000 60%,transparent)}
.chat-body-collapsed.expanded{height:420px!important;mask:none}
.chat-unlock-mask{display:flex;align-items:center;justify-content:center;background:linear-gradient(0deg,rgba(15,23,42,.98) 30%,rgba(15,23,42,.6) 100%);padding:18px 16px;border-top:1px solid var(--bdr)}
.chat-unlock-mask.hidden{display:none}
.chat-unlock-inner{text-align:center;max-width:320px}
.chat-unlock-icon{font-size:30px;margin-bottom:4px;animation:lock-shake 2s ease-in-out infinite}
@keyframes lock-shake{0%,100%{transform:rotate(0)}25%{transform:rotate(-6deg)}75%{transform:rotate(6deg)}}
.chat-unlock-title{font-size:14px;font-weight:700;color:#fbbf24;margin-bottom:4px}
.chat-unlock-sub{font-size:11px;color:var(--muted);margin-bottom:12px;line-height:1.5}
.chat-unlock-btn{display:inline-block;padding:9px 18px;margin:0 4px 6px;background:rgba(255,255,255,.06);border:1px solid var(--bdr);border-radius:20px;color:var(--txt);font-size:12px;cursor:pointer;text-decoration:none;font-family:inherit;transition:all .2s}
.chat-unlock-btn:hover{background:rgba(255,255,255,.1)}
.chat-unlock-btn.primary{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#1a1a2e;font-weight:700;border:none;box-shadow:0 4px 14px rgba(251,191,36,.3)}
.chat-unlock-btn.primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(251,191,36,.45)}

/* ── 联系咨询营业中 banner ── */
.contact-status-banner{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,rgba(16,185,129,.15),rgba(34,197,94,.1));border:1px solid rgba(16,185,129,.4);border-radius:50px;padding:7px 16px;margin-bottom:14px;font-size:12px;color:#86efac}
.contact-live-dot{width:8px;height:8px;background:#22c55e;border-radius:50%;animation:live-dot-pulse 1.4s ease-in-out infinite;box-shadow:0 0 8px rgba(34,197,94,.6)}
@keyframes live-dot-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.contact-live-text strong{color:#22c55e}

/* ── 底部新人 3 步导航卡 ── */
.newbie-guide-sec{background:linear-gradient(180deg,var(--dark2),var(--dark));padding:60px 24px;border-top:1px solid var(--bdr)}
.newbie-guide-inner{max-width:780px;margin:0 auto;text-align:center}
.newbie-guide-icon{font-size:42px;margin-bottom:8px;animation:wave 2s ease-in-out infinite}
@keyframes wave{0%,100%{transform:rotate(0)}25%{transform:rotate(15deg)}75%{transform:rotate(-10deg)}}
.newbie-guide-title{font-size:24px;font-weight:800;color:#fff;margin-bottom:8px}
.newbie-guide-sub{font-size:13px;color:var(--muted);margin-bottom:28px}
.newbie-guide-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:680px){.newbie-guide-steps{grid-template-columns:1fr;gap:10px}}
.newbie-step{display:flex;align-items:center;gap:12px;padding:18px 16px;background:rgba(255,255,255,.04);border:1px solid var(--bdr);border-radius:14px;text-decoration:none;color:var(--txt);transition:all .25s;text-align:left}
.newbie-step:hover{transform:translateY(-3px);background:rgba(255,255,255,.08);border-color:var(--pri)}
.newbie-step-num{width:36px;height:36px;flex-shrink:0;background:var(--grad);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;box-shadow:0 4px 14px rgba(108,99,255,.35)}
.newbie-step-info{display:flex;flex-direction:column}
.newbie-step-info strong{font-size:14px;font-weight:700;line-height:1.3}
.newbie-step-info small{font-size:11px;color:var(--muted);margin-top:2px}

/* ════ Telegram Mini App 模式（body.tg-miniapp）════ */
/* TG 内置 MainButton 替代我们的 sticky CTA */
body.tg-miniapp .sticky-cta-bar{display:none!important}
body.tg-miniapp{padding-bottom:0!important}
/* TG 已有顶部 header，nav 不再 fixed 避免双层标题挤压 */
body.tg-miniapp .nav{position:relative}
/* 内嵌环境下隐藏一些"打开新页面"的视觉提示 */
body.tg-miniapp .nav-cta{display:none}

/* ══ 顶部 URL 提示条（方便用户复制网址去浏览器打开 + 防钓鱼）══ */
/* 浏览器模式：position:relative + margin-top:60px 推到 fixed nav 下方，随页面滚走 */
/* TG 模式：position:sticky 常驻顶部（TG 没地址栏） */
.url-bar{
  position:relative;
  margin-top:60px;
  z-index:850;
  background:linear-gradient(90deg,rgba(245,158,11,.18),rgba(239,68,68,.10) 60%,rgba(108,99,255,.14));
  border-bottom:1px solid rgba(245,158,11,.4);
  backdrop-filter:blur(8px);
  padding:6px 12px;
  display:flex;align-items:center;justify-content:center;
  gap:8px;flex-wrap:nowrap;
  font-size:12px;line-height:1.3;
  overflow-x:auto;        /* 极端情况允许横向滚动而不是换行 */
  scrollbar-width:none;
}
.url-bar::-webkit-scrollbar{display:none}
.url-bar-label{
  color:#fbbf24;font-weight:700;font-size:11.5px;
  white-space:nowrap;letter-spacing:.2px;flex-shrink:0;
}
.url-bar-text{
  color:#fff;font-weight:700;
  font-family:'SF Mono','Menlo','Consolas',monospace;
  font-size:11.5px;
  user-select:all;
  letter-spacing:.2px;
  white-space:nowrap;flex-shrink:0;
}
.url-bar-copy{
  background:linear-gradient(135deg,#6366f1,#8b5cf6);
  color:#fff;border:none;
  padding:4px 10px;border-radius:5px;
  font-size:11px;font-weight:700;
  cursor:pointer;
  transition:transform .15s;
  display:inline-flex;align-items:center;gap:3px;
  white-space:nowrap;flex-shrink:0;
}
.url-bar-copy:active{transform:scale(.94)}
.url-bar-copy.copied{background:linear-gradient(135deg,#10b981,#059669)}
/* TG Mini App 模式：nav 是 relative，url-bar sticky 贴顶部常驻（TG 无地址栏） */
body.tg-miniapp .url-bar{position:sticky;top:0;margin-top:0}
/* 小屏更紧凑，单行不换行 */
@media(max-width:480px){
  .url-bar{padding:5px 8px;gap:6px}
  .url-bar-label{font-size:10.5px}
  .url-bar-text{font-size:10.5px}
  .url-bar-copy{padding:3px 8px;font-size:10.5px}
}
@media(max-width:360px){
  .url-bar{padding:5px 6px;gap:5px}
  .url-bar-label{font-size:10px;letter-spacing:0}
  .url-bar-text{font-size:10px;letter-spacing:0}
  .url-bar-copy{padding:3px 7px;font-size:10px}
}

/* ── 推广板块渐进披露 ── */
.promo-collapse{max-height:0;overflow:hidden;transition:max-height .4s ease;opacity:0}
.promo-collapse.expanded{max-height:600px;opacity:1;margin-bottom:14px}
.promo-collapse-toggle{width:100%;padding:10px 14px;background:rgba(255,255,255,.04);border:1px dashed var(--bdr);border-radius:8px;color:var(--muted);font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;transition:all .2s;margin-top:6px}
.promo-collapse-toggle:hover{background:rgba(255,255,255,.07);color:var(--txt);border-color:rgba(255,255,255,.2)}
.promo-collapse-toggle-arrow{transition:transform .3s;font-size:10px}
.promo-collapse-toggle.expanded .promo-collapse-toggle-arrow{transform:rotate(180deg)}

/* ══ 推广活动 V2（无感参与 + 极速裂变）══ */
/* 板块开场标语（紧凑版：图标内嵌标题前）*/
.promo-slogan{text-align:center;margin-bottom:16px;padding:10px 14px;background:linear-gradient(135deg,rgba(245,158,11,.12),rgba(239,68,68,.08));border:1px solid rgba(245,158,11,.35);border-radius:12px}
.promo-slogan-title{font-size:20px;font-weight:900;line-height:1.3;margin:0 0 2px;background:linear-gradient(135deg,#fbbf24,#ef4444 60%,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px;display:inline-flex;align-items:center;gap:8px}
.promo-slogan-icon{font-size:22px;line-height:1;-webkit-text-fill-color:initial;background:none;animation:slogan-icon-bob 2.4s ease-in-out infinite}
@keyframes slogan-icon-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.promo-slogan-sub{font-size:12px;color:var(--muted);margin:0;line-height:1.6}
@media(max-width:600px){.promo-slogan-title{font-size:17px;gap:6px}.promo-slogan-icon{font-size:19px}}

.promo-warning{background:linear-gradient(90deg,#dc2626,#991b1b);color:#fff;padding:10px 14px;border-radius:10px;text-align:center;font-size:13px;font-weight:700;margin-bottom:14px;animation:warning-pulse 1.5s ease-in-out infinite;display:none}
.promo-warning.show{display:block}
@keyframes warning-pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.6)}50%{box-shadow:0 0 0 10px rgba(239,68,68,0)}}

/* 标题区 - 紧凑版 */
.promo-headline{text-align:center;margin-bottom:18px}
.promo-headline .sec-label{margin-bottom:10px}
.promo-headline h2{font-size:clamp(18px,3.2vw,24px);font-weight:800;line-height:1.4;margin:0 0 14px;color:var(--txt)}
.promo-headline h2 mark{background:linear-gradient(135deg,#f59e0b,#fbbf24);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:900}
/* 红包图标特效：摇摆 + 缩放 + 光晕 */
.hb-emoji{
  display:inline-block;
  filter:drop-shadow(0 0 8px rgba(239,68,68,.6)) drop-shadow(0 0 16px rgba(245,158,11,.4));
  animation:hb-shake 1.4s ease-in-out infinite, hb-glow 2s ease-in-out infinite;
  transform-origin:center bottom
}
@keyframes hb-shake{
  0%,100%{transform:rotate(0) scale(1)}
  15%{transform:rotate(-12deg) scale(1.08)}
  30%{transform:rotate(12deg) scale(1.08)}
  45%{transform:rotate(-8deg) scale(1.05)}
  60%{transform:rotate(8deg) scale(1.05)}
  75%{transform:rotate(-3deg) scale(1.02)}
}
@keyframes hb-glow{
  0%,100%{filter:drop-shadow(0 0 6px rgba(239,68,68,.4)) drop-shadow(0 0 12px rgba(245,158,11,.3))}
  50%{filter:drop-shadow(0 0 14px rgba(239,68,68,.85)) drop-shadow(0 0 24px rgba(245,158,11,.6))}
}
.promo-sub-text{font-size:12px;color:var(--muted);margin:0;line-height:1.6}
.promo-sub-text strong{color:#fbbf24}

/* 4 个胶囊 2x2 网格（左右等宽，上下对齐）*/
.promo-pills-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-width:460px;margin:0 auto 14px}
.promo-pills-grid > *{display:flex;align-items:center;justify-content:center;gap:5px;padding:7px 10px;border-radius:50px;font-size:11.5px;white-space:nowrap;text-decoration:none;border:1px solid;line-height:1.3;transition:transform .15s,background .2s;min-height:30px;box-sizing:border-box}
/* 第 1 排：稀缺（红）+ 倒计时（红橙）*/
.promo-scarcity{color:#fca5a5;background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.25)}
.promo-scarcity strong{color:#ef4444}
.promo-countdown-pill{color:#fca5a5;background:linear-gradient(90deg,rgba(239,68,68,.18),rgba(245,158,11,.15));border-color:rgba(239,68,68,.4)}
.promo-countdown-pill .time{font-family:'SF Mono','Fira Code',monospace;color:#fff;font-weight:700;font-size:12px;letter-spacing:.8px}
/* 第 2 排：视频教程（紫）+ 活动玩法（金）*/
.promo-watch-video{color:var(--pri3);background:rgba(108,99,255,.12);border-color:rgba(108,99,255,.3)}
.promo-watch-video:hover{background:rgba(108,99,255,.22);transform:translateY(-1px)}
.promo-rules-link{color:#fbbf24;background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.3)}
.promo-rules-link:hover{background:rgba(245,158,11,.2);transform:translateY(-1px)}

/* ── 视频教程 / 活动玩法 胶囊：吸睛动效（3 层叠加）── */
.promo-watch-video,.promo-rules-link{position:relative;overflow:hidden;isolation:isolate}
/* 1) 光晕脉冲（box-shadow 不影响布局）*/
.promo-watch-video{animation:pill-pulse-purple 2.4s ease-in-out infinite}
.promo-rules-link{animation:pill-pulse-gold 2.4s ease-in-out infinite;animation-delay:1.2s}
@keyframes pill-pulse-purple{
  0%,100%{box-shadow:0 0 0 0 rgba(108,99,255,.55)}
  50%{box-shadow:0 0 0 7px rgba(108,99,255,0)}
}
@keyframes pill-pulse-gold{
  0%,100%{box-shadow:0 0 0 0 rgba(245,158,11,.6)}
  50%{box-shadow:0 0 0 7px rgba(245,158,11,0)}
}
/* 2) 高光扫过（::before 伪元素）*/
.promo-watch-video::before,.promo-rules-link::before{
  content:'';position:absolute;top:0;bottom:0;left:-60%;width:50%;
  background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.35) 50%,transparent 100%);
  pointer-events:none;z-index:0;
  animation:pill-shimmer 4s ease-in-out infinite
}
.promo-rules-link::before{animation-delay:2s}
@keyframes pill-shimmer{
  0%,65%{left:-60%}
  100%{left:130%}
}
/* 3) 首个 emoji 图标轻微缩放（增强活力）*/
.promo-watch-video > span:first-child,
.promo-rules-link > span:first-child{
  display:inline-block;
  animation:pill-icon-pulse 1.6s ease-in-out infinite
}
.promo-rules-link > span:first-child{animation-delay:.8s}
@keyframes pill-icon-pulse{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.18)}
}
/* hover 时所有动画暂停，避免抢戏 + 让用户专注阅读 */
.promo-watch-video:hover,.promo-rules-link:hover{animation-play-state:paused}
.promo-watch-video:hover::before,.promo-rules-link:hover::before{animation-play-state:paused}
.promo-watch-video:hover > span:first-child,
.promo-rules-link:hover > span:first-child{animation-play-state:paused}
/* 确保胶囊文字在 ::before 之上 */
.promo-watch-video > *,.promo-rules-link > *{position:relative;z-index:1}

/* 仪表盘 V2：横直线进度条版本 */
.promo-dashboard-v2{background:rgba(255,255,255,.03);border:1px solid var(--bdr);border-radius:14px;padding:16px;margin-bottom:14px}
.promo-progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.promo-progress-label{font-size:12px;color:var(--muted);font-weight:600}
.promo-progress-count{font-size:14px;color:#fff;font-weight:700;flex:1;text-align:center}
.promo-progress-count > #progNum{color:#fbbf24;font-size:18px;font-weight:900}
.promo-progress-pct{font-size:13px;color:#fbbf24;font-weight:800;font-family:'SF Mono',monospace}
/* 进度条 + 节点 */
.promo-progress-bar-wrap{position:relative;margin:18px 8px 32px}
.promo-progress-bar{position:relative;height:10px;background:rgba(255,255,255,.08);border-radius:6px;overflow:hidden}
.promo-progress-fill{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,#6c63ff,#a855f7 35%,#fbbf24 75%,#ef4444);border-radius:6px;transition:width .8s cubic-bezier(.22,.61,.36,1);box-shadow:0 0 18px rgba(251,191,36,.5);will-change:width}
.promo-progress-fill::after{content:'';position:absolute;top:0;right:0;width:14px;height:100%;background:radial-gradient(circle at right,#fff,transparent 70%);opacity:.7}
.promo-progress-node{position:absolute;top:-7px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted);transition:all .35s}
.promo-progress-node .pn-icon{font-size:18px;filter:grayscale(.6);opacity:.55;transition:all .35s;transform-origin:center;background:var(--dark2);border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:2px solid rgba(255,255,255,.12)}
.promo-progress-node .pn-label{font-size:9.5px;font-weight:600;letter-spacing:.5px}
.promo-progress-node.reached .pn-icon{filter:none;opacity:1;border-color:#fbbf24;box-shadow:0 0 12px rgba(251,191,36,.6);animation:node-bounce .55s cubic-bezier(.34,1.56,.64,1) }
.promo-progress-node.reached .pn-label{color:#fbbf24}
@keyframes node-bounce{0%{transform:scale(.4)}55%{transform:scale(1.25)}100%{transform:scale(1)}}

/* 实时跑马灯（替代静态社交证明 + collapse feed）*/
.promo-marquee{overflow:hidden;background:linear-gradient(90deg,rgba(108,99,255,.08),rgba(245,158,11,.06));border:1px solid rgba(108,99,255,.25);border-radius:50px;padding:7px 0;margin-bottom:14px;position:relative;-webkit-mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.promo-marquee-track{display:inline-flex;white-space:nowrap;animation:marquee-scroll 45s linear infinite;will-change:transform;transform:translateZ(0)}
.promo-marquee-item{padding:0 24px;font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:5px;flex-shrink:0;line-height:1.5}
.promo-marquee-item .mq-dot{color:#6366f1;opacity:.7}
.promo-marquee-item .uid{color:#fbbf24;font-family:'SF Mono','Fira Code',monospace;font-weight:700;letter-spacing:.5px}
.promo-marquee-item .hl{color:#34d399;font-weight:700}
.promo-marquee-item .hl-red{color:#ef4444;font-weight:700}
.promo-marquee-item .hl-gold{color:#fbbf24;font-weight:700}
@keyframes marquee-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.promo-marquee:hover .promo-marquee-track{animation-play-state:paused}
.promo-stats{display:flex;flex-direction:column;gap:6px}
.promo-stat-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;padding:7px 10px;background:rgba(255,255,255,.03);border-radius:7px}
.promo-stat-label{color:var(--muted);font-size:11px}
.promo-stat-value{color:#fff;font-weight:700;font-size:12px}
.promo-stat-value.gold{color:#fbbf24}
.promo-stat-value.green{color:#34d399}

/* 节点徽章（V3：4 节点 - 3 抽奖 + 1 脚本）*/
.promo-nodes-v3{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
@media(max-width:600px){.promo-nodes-v3{grid-template-columns:repeat(2,1fr);gap:7px}}
.promo-node-btn{background:rgba(255,255,255,.03);border:1.5px solid var(--bdr);border-radius:10px;padding:10px 6px;text-align:center;transition:all .25s;position:relative;cursor:pointer;font-family:inherit;color:var(--txt);overflow:hidden}
.promo-node{background:rgba(255,255,255,.03);border:1.5px solid var(--bdr);border-radius:10px;padding:10px 6px;text-align:center;transition:all .25s;position:relative}
.lottery-node-icon{font-size:22px;margin-bottom:2px;line-height:1}
.lottery-node-target{font-size:11px;color:var(--muted);margin-bottom:2px;white-space:nowrap}
.lottery-node-reward{font-size:11px;font-weight:700;color:#fbbf24;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}
.lottery-node-status{font-size:10px;color:var(--muted);font-weight:600;margin-top:2px}

/* 抽奖节点状态：可抽（亮起+脉冲）/ 已用 / 锁定 */
.promo-node-btn.available{background:linear-gradient(135deg,rgba(245,158,11,.15),rgba(239,68,68,.1));border-color:#fbbf24;animation:lottery-pulse 1.5s ease-in-out infinite}
.promo-node-btn.available .lottery-node-status{color:#fbbf24}
.promo-node-btn.available:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(251,191,36,.3)}
.promo-node-btn.used{background:linear-gradient(135deg,rgba(16,185,129,.1),rgba(59,130,246,.06));border-color:rgba(16,185,129,.4);cursor:default}
.promo-node-btn.used .lottery-node-status{color:#34d399}
.promo-node-btn.locked{opacity:.55;cursor:not-allowed}
.promo-node.script-node.unlocked{background:linear-gradient(135deg,rgba(16,185,129,.12),rgba(108,99,255,.1));border-color:rgba(16,185,129,.5)}
.promo-node.script-node.unlocked .lottery-node-status{color:#34d399}
@keyframes lottery-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(251,191,36,.5)}
  50%{box-shadow:0 0 0 6px rgba(251,191,36,0)}
}

/* ── 抽奖盘 Modal ── */
.lottery-modal-card{max-width:380px;text-align:center}
.lottery-title{font-size:18px;font-weight:800;background:linear-gradient(135deg,#f59e0b,#ef4444);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.lottery-sub{font-size:12px;color:var(--muted);margin-bottom:18px}
.lottery-slot{
  position:relative;height:160px;
  background:linear-gradient(180deg,rgba(245,158,11,.05),rgba(239,68,68,.08),rgba(245,158,11,.05));
  border:2px solid #fbbf24;border-radius:14px;overflow:hidden;
  box-shadow:0 0 30px rgba(251,191,36,.3) inset
}
.lottery-slot::before,.lottery-slot::after{
  content:'';position:absolute;left:0;right:0;height:50px;pointer-events:none;z-index:2
}
.lottery-slot::before{top:0;background:linear-gradient(180deg,rgba(15,15,30,.95),transparent)}
.lottery-slot::after{bottom:0;background:linear-gradient(0deg,rgba(15,15,30,.95),transparent)}
.lottery-pointer{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:90%;height:50px;border:2px solid #fbbf24;border-radius:8px;
  background:rgba(245,158,11,.05);box-shadow:0 0 20px rgba(251,191,36,.5);
  pointer-events:none;z-index:3
}
.lottery-track{
  position:absolute;left:0;right:0;
  display:flex;flex-direction:column;align-items:center;
  transition:transform 4s cubic-bezier(.18,.7,.28,1)
}
.lottery-item{
  height:50px;width:100%;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:#fff;
  text-shadow:0 1px 3px rgba(0,0,0,.5)
}
.lottery-item.p10{background:linear-gradient(135deg,#ef4444,#dc2626)}
.lottery-item.p20{background:linear-gradient(135deg,#f97316,#ea580c)}
.lottery-item.p30{background:linear-gradient(135deg,#fbbf24,#d97706)}
.lottery-item.p40{background:linear-gradient(135deg,#a855f7,#7c3aed)}
.lottery-item.p50{background:linear-gradient(135deg,#06b6d4,#0891b2)}
.lottery-item.p100{background:linear-gradient(135deg,#fde047,#facc15,#f59e0b);color:#7c2d12;text-shadow:0 1px 1px rgba(255,255,255,.5)}
.lottery-item.p0{background:linear-gradient(135deg,#475569,#334155);color:#cbd5e1}

.lottery-spin-btn{
  width:100%;padding:16px;margin-top:18px;
  background:linear-gradient(135deg,#ef4444,#dc2626);
  color:#fff;border:none;border-radius:12px;
  font-size:18px;font-weight:800;cursor:pointer;
  letter-spacing:2px;
  box-shadow:0 8px 28px rgba(239,68,68,.4);
  transition:transform .15s,box-shadow .2s;font-family:inherit
}
.lottery-spin-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 36px rgba(239,68,68,.5)}
.lottery-spin-btn:disabled{opacity:.5;cursor:not-allowed}
.lottery-result{margin-top:14px;padding:14px;border-radius:10px;display:none}
.lottery-result.show{display:block;animation:feed-fadein .5s ease}
.lottery-result.win{background:linear-gradient(135deg,rgba(245,158,11,.2),rgba(239,68,68,.15));border:1.5px solid #fbbf24}
.lottery-result.lose{background:rgba(71,85,105,.2);border:1.5px solid #475569}
.lottery-result-emoji{font-size:36px;margin-bottom:4px}
.lottery-result-text{font-size:16px;font-weight:700;color:#fff}
.lottery-result-text strong{color:#fbbf24;font-size:20px}
.lottery-result-sub{font-size:12px;color:var(--muted);margin-top:6px}
.lottery-prizes-hint{margin-top:12px;font-size:11px;color:var(--muted);line-height:1.6;text-align:left;padding:8px 12px;background:rgba(0,0,0,.2);border-radius:6px}
.promo-cta{width:100%;padding:14px 18px;background:var(--grad);color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 8px 28px rgba(108,99,255,.4);transition:transform .2s,box-shadow .2s;margin-bottom:10px;font-family:inherit;position:relative;overflow:hidden;isolation:isolate}
.promo-cta:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(108,99,255,.5)}
/* 主 CTA 吸睛特效：呼吸光晕 + 高光扫过 */
.promo-cta{animation:cta-glow 2s ease-in-out infinite}
@keyframes cta-glow{
  0%,100%{box-shadow:0 8px 28px rgba(108,99,255,.4),0 0 0 0 rgba(139,92,246,.5)}
  50%{box-shadow:0 12px 36px rgba(108,99,255,.55),0 0 0 8px rgba(139,92,246,0)}
}
.promo-cta::before{
  content:'';position:absolute;top:0;bottom:0;left:-60%;width:50%;
  background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.45) 50%,transparent 100%);
  pointer-events:none;z-index:0;
  animation:cta-shimmer 3.5s ease-in-out infinite
}
@keyframes cta-shimmer{
  0%,55%{left:-60%}
  100%{left:130%}
}
.promo-cta > *{position:relative;z-index:1}
.promo-cta:hover{animation-play-state:paused}
.promo-cta:hover::before{animation-play-state:paused}

/* TG 分享按钮：默认隐藏，仅在 Mini App 模式显示，TG 蓝色主题区分主按钮 */
.promo-cta-tg{
  display:none!important;
  background:linear-gradient(135deg,#229ED9,#0088cc)!important;
  box-shadow:0 8px 28px rgba(34,158,217,.4)!important;
  animation:none!important;
}
.promo-cta-tg::before{display:none!important}
.promo-cta-tg:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 36px rgba(34,158,217,.55)!important;
}
body.tg-miniapp .promo-cta-tg{display:block!important}
.promo-quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.promo-quick-btn{padding:10px;background:rgba(255,255,255,.05);border:1px solid var(--bdr);border-radius:9px;color:var(--txt);font-size:12px;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit;white-space:nowrap}
.promo-quick-btn:hover:not(:disabled){background:rgba(255,255,255,.08)}
.promo-quick-btn:disabled{opacity:.45;cursor:not-allowed}
.promo-quick-btn.primary{background:rgba(245,158,11,.15);border-color:rgba(245,158,11,.4);color:#fbbf24}
.promo-feed{background:rgba(0,0,0,.3);border:1px solid var(--bdr);border-radius:12px;padding:6px 16px;height:120px;overflow:hidden;margin-bottom:18px;position:relative}
.promo-feed::before{content:'';position:absolute;top:0;left:0;right:0;height:30px;background:linear-gradient(to bottom,rgba(0,0,0,.5),transparent);pointer-events:none;z-index:1}
.promo-feed::after{content:'';position:absolute;bottom:0;left:0;right:0;height:30px;background:linear-gradient(to top,rgba(0,0,0,.5),transparent);pointer-events:none;z-index:1}
.promo-feed-track{font-size:12px;color:var(--muted);line-height:1.9}
.promo-feed-item{padding:5px 0;animation:feed-fadein .5s ease}
.promo-feed-item .uid{color:#fbbf24;font-family:monospace;font-weight:700}
@keyframes feed-fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.promo-activation{background:linear-gradient(135deg,rgba(245,158,11,.1),rgba(16,185,129,.1));border:1.5px solid rgba(245,158,11,.4);border-radius:14px;padding:18px;margin-top:18px;display:none}
.promo-activation.show{display:block;animation:feed-fadein .6s ease}
.promo-activation-title{text-align:center;font-size:16px;font-weight:700;color:#fbbf24;margin-bottom:6px}
.promo-activation-code{background:rgba(0,0,0,.3);border:1px dashed rgba(245,158,11,.6);border-radius:8px;padding:10px;text-align:center;font-family:monospace;font-size:13px;color:#fbbf24;letter-spacing:1px;margin:10px 0}
.promo-activation-input{width:100%;padding:12px 14px;background:var(--dark4);border:1.5px solid var(--bdr);border-radius:8px;color:#fff;font-size:14px;font-family:monospace;outline:none;letter-spacing:1.5px;text-align:center;text-transform:uppercase;margin-bottom:10px;font-family:inherit}
.promo-activation-input:focus{border-color:#f59e0b}
.promo-activation-btn{width:100%;padding:12px;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border:none;border-radius:8px;font-weight:700;cursor:pointer;font-size:14px;font-family:inherit}
.promo-modal{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:9999;padding:20px;overflow-y:auto}
.promo-modal.show{display:flex}
.promo-modal-card{background:var(--dark2);border:1px solid var(--bdr);border-radius:16px;padding:20px;max-width:460px;width:100%;max-height:90vh;overflow-y:auto;position:relative}
.promo-modal-close{position:absolute;top:12px;right:16px;font-size:20px;color:#fff;cursor:pointer;background:rgba(255,255,255,.1);border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.promo-modal-title{font-size:18px;font-weight:700;color:#fff;text-align:center;margin-bottom:14px}
.poster-wrap{position:relative;border-radius:12px;overflow:hidden;background:#000;margin-bottom:16px}
.poster-img{width:100%;display:block}
.poster-qr{position:absolute;left:3.5%;bottom:6%;width:13%;aspect-ratio:1;background:#fff;padding:4px;border-radius:4px}
.poster-qr canvas,.poster-qr img{width:100%;height:100%;display:block}
.promo-share-link-box{background:rgba(0,0,0,.4);border:1px solid var(--bdr);border-radius:10px;padding:12px;margin-bottom:10px}
.promo-share-link{font-family:monospace;font-size:12px;color:#fbbf24;word-break:break-all;line-height:1.5;margin-bottom:8px}
.promo-share-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.promo-share-action{padding:10px;background:var(--grad);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.promo-redeem-form .form-group{margin-bottom:12px}
.promo-redeem-form label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.promo-redeem-form input{width:100%;padding:10px 12px;background:var(--dark4);border:1px solid var(--bdr);border-radius:8px;color:#fff;font-size:14px;outline:none;font-family:inherit}
.promo-redeem-form input:focus{border-color:var(--pri)}
.promo-redeem-warn{font-size:11px;color:#fcd34d;background:rgba(251,191,36,.1);border-left:3px solid #fbbf24;padding:8px 10px;border-radius:6px;margin-bottom:12px;line-height:1.6}
.promo-unlock-result{text-align:center}
.promo-unlock-emoji{font-size:48px;margin-bottom:8px}
.promo-unlock-title{font-size:20px;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.promo-unlock-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.promo-unlock-btn{display:block;padding:14px;background:var(--gradg);color:#fff;border-radius:10px;text-decoration:none;font-weight:700;margin-bottom:10px;font-size:14px}
.promo-unlock-script-box{background:#1a1a2e;color:#c7d2fe;padding:12px;border-radius:8px;font-family:monospace;font-size:11px;max-height:200px;overflow-y:auto;white-space:pre-wrap;word-break:break-all;text-align:left;margin-bottom:10px;line-height:1.5}
/* 板块分隔器 */
.section-divider{position:relative;height:1px;max-width:600px;margin:0 auto;background:linear-gradient(90deg,transparent,var(--bdr) 30%,var(--bdr) 70%,transparent)}
.section-divider-inner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--dark);padding:0 18px;font-size:10px;letter-spacing:4px;color:var(--muted);text-transform:uppercase;white-space:nowrap}

/* 规则 modal 内容样式 */
.rules-section{margin-bottom:16px}
.rules-section h3{font-size:14px;font-weight:700;color:#fbbf24;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.rules-section p,.rules-section ul{font-size:12.5px;color:var(--txt);line-height:1.8;margin:0}
.rules-section ul{padding-left:18px}
.rules-section ul li{margin-bottom:4px}
.rules-section strong{color:#fbbf24;font-weight:700}

/* 移动端进一步压缩 */
@media(max-width:600px){
  .join-sec{padding:50px 16px}
  .promo-headline h2{font-size:17px;line-height:1.45}
  .promo-pricing-row{gap:6px}
  .promo-pricetag{padding:5px 12px}
  .promo-pricetag-new{font-size:14px}
  .promo-countdown-pill{padding:5px 10px}
  .promo-countdown-pill .time{font-size:12px}
  .promo-meta-row{gap:6px}
  .promo-scarcity,.promo-watch-video,.promo-rules-link{font-size:10px;padding:4px 9px}
  .promo-dashboard-v2{padding:14px}
  .promo-progress-head{font-size:11px}
  .promo-progress-count{font-size:13px}
  .promo-progress-count > #progNum{font-size:16px}
  .promo-progress-bar-wrap{margin:14px 6px 28px}
  .promo-progress-node .pn-icon{width:22px;height:22px;font-size:14px}
  .promo-progress-node .pn-label{font-size:9px}
  .promo-stats{width:100%}
  .promo-node{padding:9px 6px}
  .promo-node-icon{font-size:16px}
  .promo-node-target{font-size:10px}
  .promo-node-reward{font-size:11px}
  .promo-cta{font-size:14px;padding:13px}
  .promo-quick-btn{font-size:11px;padding:9px 6px}
}

/* 2026 content restructure */
.hero-primary-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;overflow:visible}
.earn-note{display:inline-flex;align-items:center;gap:8px;color:#fcd34d;font-size:12px;font-weight:800;letter-spacing:.04em;white-space:nowrap;filter:drop-shadow(0 0 10px rgba(251,191,36,.35))}
.earn-note::before,.earn-note::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,#fbbf24)}
.earn-note::after{background:linear-gradient(90deg,#fbbf24,transparent)}
.earn-note-dot{width:7px;height:7px;border-radius:50%;background:#fbbf24;box-shadow:0 0 0 0 rgba(251,191,36,.55);animation:notePulse 1.8s infinite}
@keyframes notePulse{70%{box-shadow:0 0 0 8px rgba(251,191,36,0)}}
.projects-tabs-nav,.proj-tab-panel[data-panel="b"],.chat-sec{display:none!important}
.proj-a .proj-tags{display:none!important}
.tutorial-switch{display:flex;justify-content:center;gap:8px;margin:0 auto 16px;padding:5px;background:rgba(255,255,255,.055);border:1px solid var(--bdr);border-radius:14px;max-width:430px}
.tutorial-switch button{flex:1;border:0;border-radius:10px;padding:10px 14px;background:transparent;color:var(--muted);font:700 14px inherit;cursor:pointer}
.tutorial-switch button.active{background:linear-gradient(135deg,var(--pri),#8b5cf6);color:#fff;box-shadow:0 5px 16px rgba(108,99,255,.3)}
.proj-a .video-grid.cols2{grid-template-columns:1fr;max-width:760px;margin-left:auto;margin-right:auto}
.proj-a .video-grid.cols2>.video-card:nth-of-type(2){display:none}
.video-chapters-wrap{padding:9px 10px 2px}
.video-chapters-label{margin-bottom:7px;font-size:11px}
.chap-btn{padding:7px 5px!important;min-height:0!important}
.chap-icon{font-size:14px!important}.chap-name,.chap-time{font-size:10px!important}
.more-projects{max-width:1100px;margin:0 auto;padding:64px 24px 72px}
.more-projects-head{text-align:center;margin-bottom:24px}.more-projects-kicker{display:inline-block;color:#a78bfa;font-size:11px;font-weight:900;letter-spacing:.18em;margin-bottom:10px}.more-projects-head h2{margin:0 0 8px;font-size:clamp(24px,4vw,36px)}.more-projects-head p{margin:0;color:var(--muted);font-size:14px}
.more-projects-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.more-entry-card{position:relative;display:flex;min-height:164px;align-items:flex-end;justify-content:space-between;gap:18px;padding:25px;border-radius:20px;text-decoration:none;color:#fff;overflow:hidden;background:linear-gradient(145deg,rgba(31,36,55,.96),rgba(20,23,36,.98));border:1px solid rgba(255,255,255,.1);box-shadow:0 14px 38px rgba(0,0,0,.22);transition:transform .25s,border-color .25s,box-shadow .25s}
.more-entry-card::before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-65px;top:-90px;filter:blur(2px);opacity:.28;transition:transform .35s}.more-entry-card.reward::before{background:#f59e0b}.more-entry-card.arbitrage::before{background:#6c63ff}.more-entry-card:hover{transform:translateY(-4px);border-color:rgba(167,139,250,.5);box-shadow:0 20px 48px rgba(0,0,0,.32)}.more-entry-card:hover::before{transform:scale(1.14)}
.more-entry-icon{position:absolute;right:24px;top:20px;font-size:36px}.more-entry-copy{position:relative;z-index:1}.more-entry-copy small{display:block;color:#a78bfa;font-size:10px;font-weight:900;letter-spacing:.14em;margin-bottom:9px}.more-entry-copy strong{display:block;font-size:21px;margin-bottom:8px}.more-entry-copy span{display:block;color:var(--muted);font-size:13px;line-height:1.7}.more-entry-meta{position:relative;z-index:1;align-self:flex-end;color:#fbbf24;font-size:13px;font-weight:900;white-space:nowrap}
.contact-sec{padding:42px 20px!important}.contact-sec .sec-sub{margin-bottom:20px!important}.contact-cards{flex-wrap:nowrap!important}.contact-card{min-width:0!important;flex:1;max-width:330px;padding:15px 18px!important}
.subpage-hero{padding:120px 24px 42px;text-align:center}.subpage-hero h1{font-size:clamp(32px,6vw,58px);margin:0 0 12px}.subpage-hero p{color:var(--muted);font-size:16px}.subpage-back{display:inline-flex;margin-bottom:20px;color:#a78bfa;text-decoration:none;font-weight:700}
.subpage-home-float{position:fixed;left:14px;bottom:calc(env(safe-area-inset-bottom,0px) + 16px);z-index:10050;display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:999px;background:rgba(20,23,36,.96);color:#fff;text-decoration:none;font-size:13px;font-weight:800;border:1px solid rgba(167,139,250,.7);box-shadow:0 10px 30px rgba(0,0,0,.45),0 0 18px rgba(108,99,255,.24);backdrop-filter:blur(12px);transition:transform .2s,border-color .2s}
.subpage-home-float:hover{transform:translateY(-2px);border-color:#a78bfa}.subpage-home-float .back-arrow{font-size:17px;color:#c4b5fd}
.page-home .join-sec,.page-home .section-divider{display:none!important}
.page-arbitrage .hero,.page-arbitrage .projects-tabs-nav,.page-arbitrage .proj-tab-panel[data-panel="a"],.page-arbitrage .join-sec,.page-arbitrage .feedback-sec,.page-arbitrage .newbie-guide-sec,.page-arbitrage .sticky-cta-bar,.page-arbitrage .section-divider{display:none!important}
.page-arbitrage .proj-tab-panel[data-panel="b"]{display:block!important}
.page-activity .hero,.page-activity .projects-tabs-wrap,.page-activity .feedback-sec,.page-activity .newbie-guide-sec,.page-activity .sticky-cta-bar,.page-activity .section-divider{display:none!important}
@media(max-width:640px){.more-projects{padding:46px 16px 52px}.more-projects-grid{grid-template-columns:1fr}.more-entry-card{min-height:148px;padding:21px}.more-entry-copy strong{font-size:19px}.contact-cards{flex-direction:row!important;gap:8px}.contact-card{padding:12px 9px!important}.contact-card-icon{font-size:24px!important}.contact-card-name{font-size:12px!important}.contact-card-id{font-size:10px!important}.hero-btns{padding:0 18px;overflow:visible}.earn-note{font-size:11px}.earn-note::before,.earn-note::after{width:18px}.video-chapters{grid-template-columns:repeat(4,1fr)!important;gap:4px!important}}