/* ===== Base ===== */
#mv-block .mv-container{
  --mv-max: 1440px;
  --mv-pad: 14px;
  --mv-border: rgba(0,0,0,.10);
  --mv-radius: 16px;

  --brand-brown: #8B5A2B;
  --brand-brown-soft: rgba(139,90,43,.08);

  --font: Inter, "Segoe UI", Arial, sans-serif;

  --helper-size: 15px;
  --helper-lh: 1.6;
  --helper-color: #555;

  --title-size: 24px;
  --title-weight: 650;
  --title-lh: 1.25;
  --title-ls: -0.01em;
  --title-color: #1a2530;

  --mv-right-max-h: 70vh;

  max-width:var(--mv-max);
  margin:0 auto;
  padding:0 var(--mv-pad);
  font-family:var(--font);
}

#mv-block .mv-layout{
  display:grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap:14px;
  padding:16px 0 20px;
  align-items:start;
}

#mv-block .mv-aside{
  position:sticky;
  top:10px;
  border:1px solid var(--mv-border);
  border-radius:var(--mv-radius);
  background:#fff;
  overflow:hidden;
}
#mv-block .mv-aside-head{
  padding:14px 14px 10px;
  border-bottom:1px solid var(--mv-border);
  background:#f8f9fa;
}
#mv-block .mv-aside-head strong{
  display:block;
  font-size:var(--helper-size);
  line-height:var(--helper-lh);
  font-weight:700;
  color:var(--title-color);
  letter-spacing:-0.01em;
}
#mv-block .mv-aside-head small{
  display:block;
  margin-top:6px;
  font-size:var(--helper-size);
  line-height:var(--helper-lh);
  color:var(--helper-color);
}

/* Tabs desktop (vertical) */
#mv-block .mv-tabs{
  padding:10px;
  display:flex;
  flex-direction:column;
  gap:8px;
}

#mv-block .mv-tab{
  width:100%;
  text-align:left;
  cursor:pointer;
  border:1px solid var(--mv-border);
  background:#fff;
  border-radius:12px;
  padding:10px 12px;
  color:var(--title-color);
  font-family:var(--font);
  transition: background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
}
#mv-block .mv-tab small{
  display:block;
  margin-bottom:4px;
  font-size:var(--helper-size);
  line-height:1.2;
  font-weight:600;
  opacity:.85;
}
#mv-block .mv-tab span{
  display:block;
  font-size:17px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-0.01em;
}
#mv-block .mv-tab:hover{
  border-color:var(--brand-brown);
  background:var(--brand-brown-soft);
}
#mv-block .mv-tab[aria-selected="true"]{
  background:var(--brand-brown);
  border-color:var(--brand-brown);
  color:#fff;
  box-shadow:0 6px 18px rgba(0,0,0,.12);
}
#mv-block .mv-tab[aria-selected="true"] small{ opacity:.9; }

/* Main */
#mv-block .mv-main{
  border:1px solid var(--mv-border);
  border-radius:var(--mv-radius);
  background:#fff;
  overflow:hidden;
}
#mv-block .mv-main-head{
  padding:14px 16px;
  border-bottom:1px solid var(--mv-border);
  background:#f8f9fa;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
}
#mv-block .mv-title{
  font-size:var(--title-size);
  font-weight:var(--title-weight);
  line-height:var(--title-lh);
  letter-spacing:var(--title-ls);
  color:var(--title-color);
}
#mv-block .mv-count{
  font-size:var(--helper-size);
  line-height:var(--helper-lh);
  font-weight:600;
  color:var(--helper-color);
  white-space:nowrap;
  margin-top:4px;
}

#mv-block .mv-scroll{
  max-height:var(--mv-right-max-h);
  overflow:auto;
  padding:16px;
}

#mv-block .mv-grid{
  display:grid;
  gap:16px;
}
#mv-block .mv-grid.cols-1{ grid-template-columns:1fr; }
#mv-block .mv-grid.cols-2{ grid-template-columns:repeat(2, minmax(0, 1fr)); }
#mv-block .mv-grid.cols-3{ grid-template-columns:repeat(3, minmax(0, 1fr)); }

/* Desktop cards (keep) */
#mv-block .mv-card{
  border:1px solid var(--mv-border);
  border-radius:14px;
  background:#fff;
  padding:12px;
}
#mv-block .mv-card h3{
  margin:0 0 10px;
  font-size:17px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-0.01em;
  color:var(--title-color);
}

/* Cover */
#mv-block .mv-cover{
  position:relative;
  width:100%;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--mv-border);
  background:#000;
  cursor:pointer;
  user-select:none;
  outline:none;
}
#mv-block .mv-cover::before{ content:""; display:block; padding-top:56.25%; }
#mv-block .mv-cover img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  display:block;
  transform:scale(1.01);
}
#mv-block .mv-cover::after{
  content:"";
  position:absolute; inset:0;
  background:rgba(0,0,0,.12);
  pointer-events:none;
}
#mv-block .mv-play{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
  z-index:1;
}
#mv-block .mv-play::before{
  content:"";
  width:56px; height:56px;
  border-radius:999px;
  background:rgba(255,255,255,.78);
  box-shadow:0 10px 26px rgba(0,0,0,.22);
}
#mv-block .mv-play::after{
  content:"";
  position:absolute;
  width:0; height:0;
  border-left:14px solid #111;
  border-top:9px solid transparent;
  border-bottom:9px solid transparent;
  transform:translateX(3px);
  opacity:.92;
}
#mv-block .mv-ytlink{
  position:absolute;
  right:10px;
  bottom:10px;
  z-index:2;
  font-size:12px;
  font-weight:700;
  color:#fff;
  text-decoration:underline;
  text-underline-offset:3px;
  background:rgba(0,0,0,.35);
  padding:6px 9px;
  border-radius:10px;
}

/* Modal */
#mv-block .mv-modal{ position:fixed; inset:0; z-index:9999; display:none; }
#mv-block .mv-modal.is-open{ display:block; }
#mv-block .mv-modal-backdrop{ position:absolute; inset:0; background:rgba(0,0,0,.62); }
#mv-block .mv-modal-panel{
  position:relative;
  width:min(980px, calc(100vw - 32px));
  margin:6vh auto 0 auto;
  background:#111;
  border-radius:14px;
  overflow:hidden;
}
#mv-block .mv-modal-close{
  position:absolute; top:10px; right:10px;
  width:40px; height:40px;
  border-radius:10px; border:0;
  cursor:pointer;
  background:rgba(255,255,255,.12);
  color:#fff; font-size:18px; line-height:40px;
  z-index:2;
}
#mv-block .mv-player{ position:relative; width:100%; padding-top:56.25%; }
#mv-block .mv-player iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
#mv-block .mv-modal-actions{ padding:12px 14px 16px; text-align:right; background:#0f0f0f; }
#mv-block .mv-modal-actions a{ font-size:14px; font-weight:700; color:#fff; text-decoration:underline; text-underline-offset:3px; opacity:.9; }

#mv-block .mv-container[data-show-ytlink="0"] .mv-ytlink,
#mv-block .mv-container[data-show-ytlink="0"] .mv-modal-actions{ display:none !important; }

/* ===== Mid ===== */
@media (max-width: 1100px){
  #mv-block .mv-layout{ grid-template-columns: 210px minmax(0, 1fr); }
  #mv-block .mv-grid.cols-3{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #mv-block .mv-container{ --mv-right-max-h: 72vh; }
}

/* ===== Mobile: top swipe tabs + 2-col videos (方案A) ===== */
@media (max-width: 860px){
  #mv-block .mv-layout{
    grid-template-columns: 1fr;
    gap:10px;
    padding:10px 0 14px;
  }

  #mv-block .mv-aside{
    position:relative;
    top:auto;
    border-radius:14px;
  }

  /* ✅ Mobile hide Filter head */
  #mv-block .mv-aside-head{
    display:none !important;
  }

  /* ✅ Swipe tabs */
  #mv-block .mv-tabs{
    padding:10px 10px 12px;
    display:flex;
    flex-direction:row;
    gap:8px;

    overflow-x:auto;
    overflow-y:hidden;

    max-width:100%;
    min-width:0;

    -webkit-overflow-scrolling: touch;

    scrollbar-width:none;        /* Firefox */
  }
  #mv-block .mv-tabs::-webkit-scrollbar{
    height:0;
  }

  #mv-block .mv-tab{
    flex:0 0 auto;
    width:auto;
    padding:8px 10px;
    border-radius:999px;
    white-space:nowrap;
  }
  #mv-block .mv-tab small{ display:none; }
  #mv-block .mv-tab span{
    font-size:12.5px;
    line-height:1;
    font-weight:800;
  }

  #mv-block .mv-main,
  #mv-block .mv-scroll{
    overflow-x:hidden;
  }

  #mv-block .mv-main-head{ padding:10px 12px; }
  #mv-block .mv-title{ font-size:18px; font-weight:750; }
  #mv-block .mv-count{ font-size:12px; margin-top:3px; }

  #mv-block .mv-scroll{ padding:12px; max-height:none; overflow-y:visible; }

  #mv-block .mv-grid.cols-2,
  #mv-block .mv-grid.cols-3{
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap:12px;
  }
  #mv-block .mv-grid.cols-1{
    grid-template-columns: 1fr !important;
  }

  #mv-block .mv-card{
    border:0 !important;
    background:transparent !important;
    padding:0 !important;
    border-radius:0 !important;

    display:flex;
    flex-direction:column;
    min-width:0;
  }

  #mv-block .mv-card h3{
    margin:0 0 6px;
    font-size:13px;
    line-height:1.2;
    font-weight:800;

    min-height: calc(1.2em * 2);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }

  #mv-block .mv-cover{
    border:0 !important;
    border-radius:14px;
  }
  #mv-block .mv-cover::after{
    background:rgba(0,0,0,.10);
  }

  #mv-block .mv-play::before{
    width:38px;
    height:38px;
    box-shadow:0 8px 18px rgba(0,0,0,.18);
  }
  #mv-block .mv-play::after{
    border-left-width:11px;
    border-top-width:7px;
    border-bottom-width:7px;
    transform:translateX(2px);
  }

  #mv-block .mv-ytlink{
    font-size:10.5px;
    padding:4px 7px;
    right:8px;
    bottom:8px;
    border-radius:9px;
    background:rgba(0,0,0,.28);
  }
}