.pc-page { max-width: 1120px; margin: 0 auto; padding: var(--space-4) var(--space-6) var(--space-8); }

   
   .tool-page__content { display: grid; grid-template-columns: 1fr 360px; gap: var(--space-5); align-items: start; }
   .tool-right-col { display: flex; flex-direction: column; gap: var(--space-4); position: sticky; top: var(--space-4); }
   
   
   .pc-ad { margin: var(--space-4) 0; text-align: center; overflow: hidden; }
   .pc-ad__wrap { display: inline-block; max-width: 100%; overflow: hidden; }
   .pc-ad__wrap:empty { display: none; }
   .pc-ad:has(.pc-ad__wrap:empty:only-child) { display: none; }
   .pc-ad--728 { display: block; } .pc-ad--300 { display: none; }
   @media (max-width: 768px) { .pc-ad--728 { display: none; } .pc-ad--300 { display: block; } }
   .pc-ad iframe { max-width: 100% !important; }
   .pc-ad--sidebar { text-align: center; margin: 0; }
   .pc-ad--result { margin: var(--space-4) 0; text-align: center; }
   .pc-ad--processing { margin-top: var(--space-4); }
   
   
   .tool-preview { background: var(--bg-secondary); border: 1px solid var(--gray-100); border-radius: var(--radius-xl); overflow: hidden; }
   .tool-preview__image-area { }
   
   .drop-zone {
       position: relative; border: 2px dashed var(--gray-300); border-radius: var(--radius-xl);
       padding: var(--space-10) var(--space-6); text-align: center; cursor: pointer;
       background: var(--bg-secondary); transition: all 0.2s; min-height: 320px;
       display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2);
   }
   .drop-zone:hover, .drop-zone.drag-over { border-color: var(--primary-400); background: var(--primary-50); }
   .drop-zone__input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
   .drop-zone__icon { color: var(--text-tertiary); margin-bottom: var(--space-2); }
   .drop-zone:hover .drop-zone__icon { color: var(--primary-500); }
   .drop-zone__text { font-size: 17px; font-weight: 600; color: var(--text-primary); }
   .drop-zone__hint { font-size: 13px; color: var(--text-tertiary); }
   
   
   #file-list-area { padding: var(--space-4); }
   .pc-file-header {
       display: flex; justify-content: space-between; align-items: center;
       margin-bottom: 12px; padding-bottom: 10px;
       border-bottom: 1px solid var(--gray-100);
   }
   .pc-file-header__info {
       font-size: 13px; font-weight: 600; color: var(--text-primary);
       display: flex; align-items: center; gap: 6px;
   }
   .pc-file-header__info svg { flex-shrink: 0; color: var(--primary-600); }
   .pc-file-header__actions { display: flex; gap: 6px; }
   
   
   .pc-file-list {
       display: flex; flex-direction: column; gap: 8px;
       max-height: 520px; overflow-y: auto;
       padding: 4px;
   }
   .pc-file-list::-webkit-scrollbar { width: 6px; }
   .pc-file-list::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 3px; }
   
   .pc-file-item {
       display: flex; align-items: center; gap: 12px;
       padding: 10px 12px;
       background: var(--bg-tertiary);
       border: 1px solid var(--gray-100);
       border-radius: 10px;
       transition: all 0.15s;
   }
   .pc-file-item:hover { border-color: var(--primary-200); background: var(--bg-primary); }
   
   
   .pc-file-item__thumb {
       width: 48px; height: 64px; flex-shrink: 0;
       border-radius: 4px; overflow: hidden;
       background: #fff;
       border: 1px solid var(--gray-200);
       display: flex; align-items: center; justify-content: center;
       box-shadow: 0 1px 2px rgba(0,0,0,0.04);
   }
   .pc-file-item__thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
   .pc-file-item__thumb--loading { background: linear-gradient(135deg, var(--gray-100), var(--gray-200)); animation: pc-shimmer 1.2s ease-in-out infinite; }
   @keyframes pc-shimmer { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } }
   
   .pc-file-item__info { flex: 1; min-width: 0; }
   .pc-file-item__name {
       font-size: 13px; font-weight: 600; color: var(--text-primary);
       white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
   }
   .pc-file-item__size { font-size: 11px; color: var(--text-tertiary); margin-top: 3px; display: flex; align-items: center; gap: 4px; }
   .pc-file-item__size strong { color: var(--text-secondary); font-weight: 600; }
   .pc-file-item__remove {
       width: 28px; height: 28px; border-radius: 50%;
       border: 1.5px solid var(--gray-200); background: var(--bg-primary);
       color: var(--text-tertiary); font-size: 16px;
       cursor: pointer; flex-shrink: 0;
       display: flex; align-items: center; justify-content: center;
       transition: all 0.15s;
   }
   .pc-file-item__remove:hover {
       border-color: #ef4444; color: #ef4444;
       background: rgba(239,68,68,0.06);
   }
   
   
   .tool-settings { background: var(--bg-secondary); border: 1px solid var(--gray-100); border-radius: var(--radius-xl); padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-4); }
   .tool-settings__title { font-size: 13px; font-weight: 700; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; text-transform: uppercase; letter-spacing: 0.4px; padding-bottom: var(--space-2); border-bottom: 1px solid var(--gray-100); }
   .tool-settings__title svg { flex-shrink: 0; color: var(--primary-500); }
   .tool-settings__section { }
   .tool-settings__label { font-size: 11px; font-weight: 700; color: var(--text-secondary); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.4px; }
   
   
   .tc-sizes { display: flex; align-items: center; gap: 8px; }
   .tc-sizes__box { flex: 1; text-align: center; padding: 10px 8px; background: var(--bg-tertiary); border-radius: 10px; border: 1px solid var(--gray-100); min-width: 0; }
   .tc-sizes__box--output { background: linear-gradient(135deg, rgba(99,102,241,0.04), rgba(99,102,241,0.08)); border-color: rgba(99,102,241,0.15); }
   .tc-sizes__label { font-size: 10px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
   .tc-sizes__value { font-size: 15px; font-weight: 700; color: var(--text-primary); }
   .tc-sizes__box--output .tc-sizes__value { color: var(--primary-700); }
   .tc-sizes__arrow { font-size: var(--text-xl); color: var(--text-tertiary); flex-shrink: 0; }
   
   
   .tc-formats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
   .tc-fmt {
       padding: 9px 4px; font-size: 12px; font-weight: 600; text-align: center;
       background: var(--bg-tertiary); border: 2px solid transparent;
       border-radius: 8px; cursor: pointer; transition: all 0.15s; color: var(--text-secondary);
   }
   .tc-fmt:hover { background: var(--gray-100); color: var(--text-primary); }
   .tc-fmt.active { background: rgba(99,102,241,0.08); border-color: var(--primary-500); color: var(--primary-700); }
   
   
   .tc-target { display: flex; gap: 6px; }
   .tc-target__field { flex: 1; display: flex; border: 1.5px solid var(--gray-200); border-radius: 10px; overflow: hidden; min-width: 0; }
   .tc-target__field:focus-within { border-color: var(--primary-400); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
   .tc-target__input { flex: 1; border: none; padding: 10px 10px; font-size: 14px; font-weight: 600; text-align: center; background: var(--bg-primary); color: var(--text-primary); outline: none; min-width: 0; }
   .tc-target__input::placeholder { font-weight: 400; color: var(--text-tertiary); }
   .tc-target__unit { padding: 10px 12px; font-size: 12px; font-weight: 700; border: none; border-left: 1.5px solid var(--gray-200); background: var(--bg-tertiary); color: var(--text-secondary); }
   .tc-hint { font-size: 11px; color: var(--text-tertiary); margin-top: 6px; }
   
   .tc-note {
       padding: 10px 12px;
       background: var(--bg-tertiary); border-radius: 8px;
       font-size: 11px; color: var(--text-tertiary); line-height: 1.5;
       display: flex; align-items: flex-start; gap: 6px;
       border: 1px solid var(--gray-100);
   }
   .tc-note svg { flex-shrink: 0; margin-top: 1px; }
   
   #btn-compress { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
   #btn-compress svg { flex-shrink: 0; }
   
   
   .pc-fulloverlay {
       position: fixed; inset: 0; z-index: 9999;
       background: rgba(0,0,0,0.7);
       backdrop-filter: blur(6px);
       display: flex; flex-direction: column;
       align-items: center; justify-content: center;
       padding: var(--space-4);
   }
   .pc-fulloverlay.hidden { display: none; }
   .pc-fulloverlay__content {
       background: var(--bg-primary);
       border-radius: 20px;
       padding: 32px 28px;
       text-align: center;
       max-width: 380px; width: 100%;
       box-shadow: 0 24px 48px rgba(0,0,0,0.2);
       display: flex; flex-direction: column;
       align-items: center; gap: 14px;
   }
   .pc-fulloverlay__text { font-size: 16px; font-weight: 600; color: var(--text-primary); }
   .pc-fulloverlay__sub { font-size: 12px; color: var(--text-tertiary); max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .pc-fulloverlay__progress { width: 100%; display: flex; align-items: center; gap: 10px; }
   .pc-progress-bar { flex: 1; height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; }
   .pc-progress-bar__fill { height: 100%; background: linear-gradient(90deg, #7c3aed, #6366f1); border-radius: 3px; transition: width 0.3s ease; }
   .pc-progress-label { font-size: 12px; font-weight: 700; color: var(--primary-600); min-width: 36px; text-align: right; }
   
   .pc-spinner { width: 36px; height: 36px; border: 3.5px solid var(--gray-200); border-top-color: var(--primary-500); border-radius: 50%; animation: pc-spin 0.8s linear infinite; }
   @keyframes pc-spin { to { transform: rotate(360deg); } }
   
   
   .pc-result-files { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
   .pc-result-file { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; background: var(--bg-tertiary); border: 1px solid var(--gray-100); border-radius: 12px; }
   .pc-result-file__info { flex: 1; min-width: 0; }
   .pc-result-file__name { font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .pc-result-file__meta { font-size: 11px; color: var(--success, #16a34a); font-weight: 600; margin-top: 2px; }
   .pc-result-file__meta--neutral { color: var(--text-tertiary); }
   .pc-result-file__dl { flex-shrink: 0; }
   .pc-result-file__dl .btn { display: inline-flex; align-items: center; gap: 4px; }
   .pc-result-file__dl .btn svg { flex-shrink: 0; }
   
   
   .tc-breadcrumb { font-size: var(--text-xs); color: var(--text-tertiary); margin-bottom: var(--space-4); }
   .tc-breadcrumb a { color: var(--text-tertiary); text-decoration: none; } .tc-breadcrumb a:hover { color: var(--primary-600); }
   .tc-breadcrumb span { margin: 0 var(--space-1); } .tc-breadcrumb span:last-child { color: var(--text-primary); font-weight: 500; }
   .tc-header { display: flex; align-items: flex-start; gap: var(--space-4); margin-bottom: var(--space-6); }
   .tc-header__icon { flex-shrink: 0; margin-top: 2px; color: var(--primary-600); }
   .tc-header__title { font-size: var(--text-2xl); font-weight: 700; margin: 0 0 var(--space-1); }
   .tc-header__desc { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; line-height: 1.5; }
   
   .tc-result { max-width: 560px; margin: 0 auto; padding: var(--space-6); }
   .tc-result__header { text-align: center; margin-bottom: var(--space-6); }
   .tc-result__icon { margin-bottom: var(--space-2); color: var(--success); }
   .tc-result__title { font-size: var(--text-xl); font-weight: 700; color: var(--success); margin: 0 0 var(--space-2); }
   .tc-result__meta { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; }
   .tc-result__actions { display: flex; gap: 10px; margin-bottom: var(--space-4); }
   .tc-result__actions .btn { flex: 1; text-align: center; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
   .tc-result__actions .btn svg { flex-shrink: 0; }
   
   .tc-related { padding-top: var(--space-4); border-top: 1px solid var(--gray-100); }
   .tc-related__title { font-size: 11px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: var(--space-3); }
   .tc-related__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
   .tc-related__grid a { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 10px; background: var(--bg-tertiary); border-radius: 10px; font-size: 13px; font-weight: 500; color: var(--text-secondary); text-decoration: none; border: 1px solid transparent; transition: all 0.15s; }
   .tc-related__grid a svg { flex-shrink: 0; }
   .tc-related__grid a:hover { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-200); }
   
   .tc-faq { display: flex; flex-direction: column; gap: var(--space-3); }
   .tc-faq details { background: var(--bg-secondary); border-radius: 12px; border: 1px solid var(--gray-100); padding: var(--space-4); }
   .tc-faq details[open] { border-color: var(--primary-200); }
   .tc-faq summary { font-weight: 500; cursor: pointer; font-size: var(--text-sm); }
   .tc-faq p { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; }
   
   .hidden { display: none !important; }
   
   @media (max-width: 900px) {
       .tool-page__content { grid-template-columns: 1fr; }
       .tool-right-col { position: static; }
   }
   
   @media (max-width: 600px) {
       .tc-header { gap: var(--space-3); } .tc-header__title { font-size: var(--text-xl); }
       .tc-formats { grid-template-columns: repeat(2, 1fr); }
       .tc-result { padding: var(--space-4); }
       .tc-related__grid { grid-template-columns: 1fr; }
       .pc-file-header { flex-direction: column; gap: 8px; align-items: flex-start; }
       .drop-zone { padding: var(--space-6) var(--space-3); min-height: 240px; }
       .drop-zone__text { font-size: 15px; }
       .pc-file-item__thumb { width: 40px; height: 52px; }
   }