.case_converter_section .tool-grid{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start;margin-top:15px;min-width:0}.case_converter_section .card{background:var(--card-color);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--card-shadow);width:100%;min-width:0;overflow:hidden;box-sizing:border-box}.case_converter_section .card-title{font-size:13px;font-weight:600;color:var(--primary-text);margin-bottom:16px;display:flex;align-items:center;gap:8px}.case_converter_section .card-title i{color:var(--primary-color);font-size:17px}.case_converter_section .divider-line{height:1px;background:var(--border);margin:14px 0}.case_converter_section .textarea-wrapper{position:relative;width:100%;min-width:0}.case_converter_section .input-label{font-size:11px;font-weight:600;color:var(--gray-text);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;display:block}.case_converter_section #inputText,.case_converter_section 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.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.case_converter_section .toggle-label{font-size:12px;color:var(--primary-text);font-weight:500}.case_converter_section .toggle-switch{position:relative;width:36px;height:20px;flex-shrink:0}.case_converter_section .toggle-switch input{opacity:0;width:0;height:0}.case_converter_section .slider{position:absolute;cursor:pointer;inset:0;background:var(--border);border-radius:20px;transition:0.3s}.case_converter_section .slider:before{content:"";position:absolute;width:14px;height:14px;left:3px;top:3px;background:#fff;border-radius:50%;transition:0.3s}.case_converter_section input:checked+.slider{background:var(--primary-color)}.case_converter_section input:checked+.slider:before{transform:translateX(16px)}.case_converter_section .case-btn-badge{font-size:9px;background:var(--primary-color);color:#fff;border-radius:4px;padding:1px 5px;margin-left:5px;font-weight:700}.format-tabs{display:flex;gap:6px;background:var(--input-bg);border-radius:12px;padding:4px;margin-bottom:14px}.format-tab{flex:1;border:none;background:#fff0;padding:9px 10px;font-size:12px;font-weight:600;color:var(--gray-text);border-radius:10px;cursor:pointer;font-family:"Poppins",sans-serif;transition:all 0.2s}.format-tab.active{background:var(--primary-color);color:#fff}.format-tab-panel{display:none}.format-tab-panel.active{display:block}.format-card .sidebar-case-list{max-height:280px;overflow-y:auto}.mobile-format-fab,.format-sheet-overlay,.format-card .sheet-handle,.format-card .sheet-close{display:none}@media (max-width:900px){.mobile-format-fab{display:flex;align-items:center;gap:8px;position:fixed;bottom:20px;right:20px;z-index:998;background:var(--primary-color);color:#fff;border:none;border-radius:50px;padding:12px 18px;font-size:13px;font-weight:600;font-family:"Poppins",sans-serif;box-shadow:0 8px 24px rgb(0 0 0 / .3);cursor:pointer}.format-sheet-overlay{display:block;position:fixed;inset:0;background:rgb(0 0 0 / .45);z-index:999;opacity:0;pointer-events:none;transition:opacity 0.3s ease}.format-sheet-overlay.show{opacity:1;pointer-events:auto}.format-card{position:fixed;left:0;right:0;bottom:0;z-index:1000;margin:0;border-radius:20px 20px 0 0;max-height:78vh;overflow-y:auto;transform:translateY(110%);transition:transform 0.35s cubic-bezier(.22,1,.36,1);box-shadow:0 -10px 40px rgb(0 0 0 / .3)}.format-card.sheet-open{transform:translateY(0)}.format-card .sheet-handle{display:block;width:40px;height:4px;background:var(--border);border-radius:4px;margin:0 auto 14px}.format-card .sheet-close{display:flex;margin-left:auto;background:#fff0;border:none;color:var(--gray-text);font-size:16px;cursor:pointer}.format-card .sidebar-case-list{max-height:none;overflow-y:visible}}.how-use-section{padding:10px 0 80px}.how-use-shell{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(circle at top left,rgb(99 102 241 / .16),transparent 32%),linear-gradient(135deg,var(--card-color),var(--body-background));box-shadow:var(--card-shadow);padding:30px}.how-use-header{max-width:720px;margin-bottom:24px}.section-kicker{width:fit-content;display:flex;align-items:center;gap:8px;color:var(--primary-color);background:var(--hover-color);border:1px solid rgb(99 102 241 / .18);border-radius:999px;padding:7px 12px;font-size:11px;font-weight:700;text-transform:uppercase;margin-bottom:12px}.how-use-header h2{color:var(--primary-text);font-size:clamp(24px, 4vw, 36px);line-height:1.2;margin-bottom:10px}.how-use-header p{color:var(--gray-text);font-size:13px;line-height:1.8}.how-use-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,0.9fr);gap:22px;align-items:stretch}.how-use-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.how-step-card{position:relative;background:var(--body-background);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;transition:transform 0.25s ease,border-color 0.25s ease,box-shadow 0.25s ease}.how-step-card:hover{transform:translateY(-3px);border-color:rgb(99 102 241 / .45);box-shadow:0 14px 35px rgb(99 102 241 / .12)}.step-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.step-icon{height:42px;width:42px;border-radius:12px;background:var(--hover-color);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-size:20px}.step-number{height:28px;min-width:28px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:var(--primary-color);color:#fff;font-size:11px;font-weight:800;box-shadow:0 10px 20px rgb(99 102 241 / .25)}.how-step-card h3{color:var(--primary-text);font-size:15px;margin-bottom:7px}.how-step-card p{color:var(--gray-text);font-size:12px;line-height:1.7}.how-use-preview{background:var(--body-background);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;justify-content:space-between;gap:18px}.preview-window{border:1px solid var(--border);border-radius:14px;background:var(--input-bg);overflow:hidden}.preview-bar{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--border)}.preview-dot{height:8px;width:8px;border-radius:50%;background:var(--primary-color);opacity:.55}.preview-body{padding:16px}.preview-label{display:block;color:var(--gray-text);font-size:10px;font-weight:700;text-transform:uppercase;margin-bottom:7px}.preview-text{color:var(--primary-text);background:var(--body-background);border:1px solid var(--border);border-radius:10px;padding:12px;font-size:13px;line-height:1.6;margin-bottom:12px}.preview-arrow{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--primary-color);color:#fff;margin:0 auto 12px;box-shadow:0 12px 20px rgb(99 102 241 / .22)}.preview-text.output{color:var(--primary-color);font-weight:700}.tips-title{color:var(--primary-text);font-size:13px;font-weight:700;margin-bottom:10px}.tips-list{display:flex;flex-wrap:wrap;gap:8px}.tips-list span{color:var(--primary-text);background:var(--input-bg);border:1px solid var(--border);border-radius:999px;padding:7px 10px;font-size:11px;font-weight:500}[data-theme="dark"] .section-kicker,[data-theme="dark"] .step-icon{background:rgb(99 102 241 / .14)}[data-theme="dark"] .how-use-shell{background:radial-gradient(circle at top left,rgb(99 102 241 / .18),transparent 34%),linear-gradient(135deg,#111827,var(--card-color))}@media (max-width:900px){.how-use-layout{grid-template-columns:1fr}}@media (max-width:600px){.how-use-section{padding:0 0 60px}.how-use-shell{padding:20px}.how-use-steps{grid-template-columns:1fr}}.case-features-section{padding:80px 0;background:var(--section-bg)}.case-features-header{max-width:760px;margin:0 auto 34px;text-align:center}.case-features-header .section-kicker{margin:0 auto 12px}.case-features-header h2{color:var(--primary-text);font-size:clamp(24px, 4vw, 36px);line-height:1.2;margin-bottom:10px}.case-features-header p{color:var(--gray-text);font-size:13px;line-height:1.8}.case-features-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:stretch}.case-features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature-card{background:var(--body-background);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;transition:transform 0.25s ease,box-shadow 0.25s ease,border-color 0.25s ease}.feature-card:hover{transform:translateY(-4px);border-color:rgb(99 102 241 / .45);box-shadow:0 16px 35px rgb(99 102 241 / .12)}.feature-icon{height:46px;width:46px;border-radius:14px;background:var(--hover-color);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:16px}.feature-card h3{color:var(--primary-text);font-size:15px;margin-bottom:8px}.feature-card p{color:var(--gray-text);font-size:12px;line-height:1.7}.feature-highlight-card{position:relative;overflow:hidden;background:radial-gradient(circle at top right,rgb(99 102 241 / .22),transparent 34%),linear-gradient(135deg,var(--primary-color),#818cf8);border-radius:var(--radius-lg);padding:24px;color:#fff;box-shadow:0 18px 42px rgb(99 102 241 / .25)}.highlight-badge{width:fit-content;display:flex;align-items:center;gap:8px;background:rgb(255 255 255 / .16);border:1px solid rgb(255 255 255 / .24);border-radius:999px;padding:8px 12px;font-size:11px;font-weight:700;margin-bottom:18px}.feature-highlight-card h3{font-size:24px;line-height:1.25;margin-bottom:10px}.feature-highlight-card p{color:rgb(255 255 255 / .82);font-size:13px;line-height:1.8;margin-bottom:20px}.highlight-list{display:grid;gap:10px}.highlight-list div{display:flex;align-items:center;gap:9px;background:rgb(255 255 255 / .12);border:1px solid rgb(255 255 255 / .18);border-radius:12px;padding:10px 12px;font-size:12px;font-weight:600}.highlight-list i{font-size:17px}[data-theme="dark"] .feature-icon{background:rgb(99 102 241 / .14)}[data-theme="dark"] .feature-card{background:var(--card-color)}@media (max-width:1024px){.case-features-layout{grid-template-columns:1fr}.case-features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.case-features-section{padding:60px 0}.case-features-grid{grid-template-columns:1fr}.feature-highlight-card{padding:20px}.feature-highlight-card h3{font-size:21px}}.case-content-section{padding:80px 0;background:var(--body-background)}.case-content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}.case-content-main{background:var(--card-color);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--card-shadow)}.case-content-main h2{color:var(--primary-text);font-size:clamp(24px, 4vw, 36px);line-height:1.2;margin-bottom:14px}.case-content-main p{color:var(--gray-text);font-size:13px;line-height:1.9;margin-bottom:14px}.content-info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}.content-info-card{background:var(--body-background);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;transition:0.25s ease}.content-info-card:hover{transform:translateY(-3px);border-color:rgb(99 102 241 / .45);box-shadow:0 14px 32px rgb(99 102 241 / .1)}.content-info-card i{height:42px;width:42px;border-radius:12px;background:var(--hover-color);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}.content-info-card h3{color:var(--primary-text);font-size:14px;margin-bottom:6px}.content-info-card p{font-size:12px;line-height:1.7;margin-bottom:0}.case-content-side{position:sticky;top:95px;background:var(--card-color);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--card-shadow)}.side-title{display:flex;align-items:center;gap:9px;color:var(--primary-text);font-size:14px;font-weight:700;margin-bottom:16px}.side-title i{color:var(--primary-color);font-size:19px}.case-format-list{display:grid;gap:10px}.case-format-list div{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--body-background);border:1px solid var(--border);border-radius:12px;padding:11px 12px}.case-format-list span{color:var(--primary-text);font-size:12px;font-weight:700}.case-format-list code{color:var(--primary-color);background:var(--hover-color);border-radius:8px;padding:5px 8px;font-size:11px;font-family:"Poppins",sans-serif;white-space:nowrap}[data-theme="dark"] .content-info-card,[data-theme="dark"] .case-format-list div{background:var(--input-bg)}[data-theme="dark"] .content-info-card i,[data-theme="dark"] .case-format-list code{background:rgb(99 102 241 / .14)}@media (max-width:1024px){.case-content-wrap{grid-template-columns:1fr}.case-content-side{position:static}}@media (max-width:768px){.content-info-grid{grid-template-columns:1fr}}@media (max-width:600px){.case-content-section{padding:60px 0}.case-content-main,.case-content-side{padding:20px}.case-format-list div{align-items:flex-start;flex-direction:column}}.case-example-section{padding:80px 0;background:var(--section-bg)}.case-example-header{max-width:720px;margin:0 auto 34px;text-align:center}.case-example-header .section-kicker{margin:0 auto 12px}.case-example-header h2{color:var(--primary-text);font-size:clamp(24px, 4vw, 36px);line-height:1.2;margin-bottom:10px}.case-example-header p{color:var(--gray-text);font-size:13px;line-height:1.8}.case-example-wrap{display:grid;grid-template-columns:360px minmax(0,1fr);gap:20px;align-items:stretch}.example-input-card{position:relative;background:radial-gradient(circle at top left,rgb(99 102 241 / .16),transparent 35%),var(--body-background);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--card-shadow);display:flex;flex-direction:column;justify-content:center}.example-card-title{display:flex;align-items:center;gap:9px;color:var(--primary-text);font-size:14px;font-weight:700;margin-bottom:16px}.example-card-title i{color:var(--primary-color);font-size:20px}.example-original-box{color:var(--primary-text);background:var(--input-bg);border:1px dashed var(--primary-color);border-radius:var(--radius-md);padding:18px;font-size:16px;font-weight:600;line-height:1.7}.example-arrow-box{height:46px;width:46px;border-radius:50%;background:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;position:absolute;right:-33px;top:50%;transform:translateY(-50%);border:8px solid var(--section-bg);z-index:2;box-shadow:0 14px 28px rgb(99 102 241 / .25)}.example-output-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.example-output-card{background:var(--body-background);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;transition:0.25s ease}.example-output-card:hover{transform:translateY(-3px);border-color:rgb(99 102 241 / .45);box-shadow:0 14px 32px rgb(99 102 241 / .1)}.example-output-card span{width:fit-content;display:block;color:var(--primary-color);background:var(--hover-color);border-radius:999px;padding:6px 10px;font-size:10px;font-weight:800;margin-bottom:12px}.example-output-card p{color:var(--primary-text);font-size:13px;line-height:1.7;word-break:break-word}[data-theme="dark"] .example-input-card,[data-theme="dark"] .example-output-card{background:var(--card-color)}[data-theme="dark"] .example-output-card span{background:rgb(99 102 241 / .14)}@media (max-width:900px){.case-example-wrap{grid-template-columns:1fr}.example-arrow-box{position:static;transform:none;margin:18px auto 0}.example-arrow-box i{transform:rotate(90deg)}}@media (max-width:600px){.case-example-section{padding:60px 0}.example-output-grid{grid-template-columns:1fr}.example-input-card{padding:20px}}.case-faq-section{padding:80px 0;background:var(--body-background)}.case-faq-header{max-width:720px;margin:0 auto 34px;text-align:center}.case-faq-header .section-kicker{margin:0 auto 12px}.case-faq-header h2{color:var(--primary-text);font-size:clamp(24px, 4vw, 36px);line-height:1.2;margin-bottom:10px}.case-faq-header p{color:var(--gray-text);font-size:13px;line-height:1.8}.case-faq-container{max-width:850px;margin:0 auto;display:grid;gap:12px}.case-faq-item{background:var(--card-color);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--card-shadow);transition:border-color 0.25s ease,box-shadow 0.25s ease,transform 0.25s ease}.case-faq-item.active{border-color:rgb(99 102 241 / .45);box-shadow:0 16px 34px rgb(99 102 241 / .1)}.case-faq-question{width:100%;border:0;background:#fff0;color:var(--primary-text);padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;text-align:left;font-family:"Poppins",sans-serif}.case-faq-question span{font-size:14px;font-weight:700;line-height:1.5}.case-faq-question i{height:34px;min-width:34px;border-radius:50%;background:var(--hover-color);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-size:18px;transition:transform 0.35s ease,background 0.25s ease}.case-faq-item.active .case-faq-question i{transform:rotate(180deg);background:var(--primary-color);color:#fff}.case-faq-answer{height:0;overflow:hidden;transition:height 0.38s cubic-bezier(.22,1,.36,1)}.case-faq-answer-inner{padding:0 20px 20px}.case-faq-answer-inner p{color:var(--gray-text);font-size:13px;line-height:1.8;border-top:1px solid var(--border);padding-top:16px}[data-theme="dark"] .case-faq-question i{background:rgb(99 102 241 / .14)}[data-theme="dark"] .case-faq-item.active .case-faq-question i{background:var(--primary-color)}@media (max-width:600px){.case-faq-section{padding:60px 0}.case-faq-question{padding:16px}.case-faq-question span{font-size:13px}.case-faq-answer-inner{padding:0 16px 16px}}.case-related-section{padding:80px 0;background:var(--section-bg)}.case-related-header{max-width:720px;margin:0 auto 34px;text-align:center}.case-related-header .section-kicker{margin:0 auto 12px}.case-related-header h2{color:var(--primary-text);font-size:clamp(24px, 4vw, 36px);line-height:1.2;margin-bottom:10px}.case-related-header p{color:var(--gray-text);font-size:13px;line-height:1.8}.related-tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-tool-card{position:relative;overflow:hidden;min-height:220px;background:var(--body-background);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;color:var(--primary-text);box-shadow:var(--card-shadow);transform-style:preserve-3d;transition:transform 0.18s ease,border-color 0.25s ease,box-shadow 0.25s ease}.related-tool-card:hover{border-color:rgb(99 102 241 / .5);box-shadow:0 22px 45px rgb(99 102 241 / .16)}.related-glow{position:absolute;inset:0;background:radial-gradient(circle at var(--x,50%) var(--y,50%),rgb(99 102 241 / .18),transparent 34%);opacity:0;transition:opacity 0.25s ease;pointer-events:none}.related-tool-card:hover .related-glow{opacity:1}.related-tool-icon{height:52px;width:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;transition:transform 0.25s ease}.related-tool-card:hover .related-tool-icon{transform:translateY(-3px) scale(1.06)}.related-tool-icon.blue{background:#eff6ff;color:#2563eb}.related-tool-icon.green{background:#ecfdf5;color:#059669}.related-tool-icon.orange{background:#fff7ed;color:#ea580c}.related-tool-icon.violet{background:#f5f3ff;color:#7c3aed}.related-tool-icon.cyan{background:#ecfeff;color:#0891b2}.related-tool-icon.pink{background:#fdf2f8;color:#db2777}.related-tag{width:fit-content;display:block;color:var(--primary-color);background:var(--hover-color);border-radius:999px;padding:6px 10px;font-size:10px;font-weight:800;margin-bottom:14px;text-transform:capitalize}.related-tool-card h3{color:var(--primary-text);font-size:17px;margin-bottom:8px}.related-tool-card p{color:var(--gray-text);font-size:13px;line-height:1.7}[data-theme="dark"] .related-tool-card{background:var(--card-color)}[data-theme="dark"] .related-tool-icon{background:rgb(99 102 241 / .14);color:var(--primary-color)}[data-theme="dark"] .related-tag{background:rgb(99 102 241 / .14)}@media (max-width:900px){.related-tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.case-related-section{padding:60px 0}.related-tools-grid{grid-template-columns:1fr}.related-tool-card{min-height:auto}}