*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--purple-50:#f5f3ff;--purple-100:#ede9fe;--purple-200:#ddd6fe;--purple-300:#c4b5fd;--purple-400:#a78bfa;--purple-500:#8b5cf6;--purple-600:#7c3aed;--purple-700:#6d28d9;--purple-800:#5b21b6;--green-500:#22c55e;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--white:#fff;--radius:12px;--radius-sm:8px;--radius-lg:16px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--transition:200ms ease}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--gray-800);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{border:none;background:none;cursor:pointer;font-family:inherit}
input{border:none;outline:none;font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

.announcement-bar{background:linear-gradient(135deg,var(--purple-600),var(--purple-700));color:var(--white);font-size:13px;padding:10px 0;text-align:center}
.announcement-inner{display:flex;align-items:center;justify-content:center;gap:12px}
.announcement-close{color:rgba(255,255,255,.7);font-size:18px;line-height:1;padding:2px;transition:color var(--transition)}
.announcement-close:hover{color:var(--white)}

.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-200);transition:box-shadow var(--transition)}
.header.scrolled{box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--gray-900)}
.logo svg{color:var(--purple-600)}
.nav{display:flex;gap:32px}
.nav a{font-size:14px;font-weight:500;color:var(--gray-600);transition:color var(--transition)}
.nav a:hover{color:var(--gray-900)}
.header-right{display:flex;align-items:center;gap:12px}
.lang-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--radius-sm);font-size:13px;color:var(--gray-600);transition:background var(--transition)}
.lang-btn:hover{background:var(--gray-100)}

.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;background:var(--purple-600);color:var(--white);font-size:14px;font-weight:600;border-radius:var(--radius);transition:all var(--transition);white-space:nowrap}
.btn-primary:hover{background:var(--purple-700);transform:translateY(-1px);box-shadow:0 4px 12px rgba(124,58,237,.3)}
.btn-primary.btn-sm{padding:8px 16px;font-size:13px;border-radius:var(--radius-sm)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;font-size:14px;font-weight:500;color:var(--gray-700);border-radius:var(--radius-sm);transition:background var(--transition)}
.btn-ghost:hover{background:var(--gray-100)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:1.5px solid var(--gray-300);color:var(--gray-700);font-size:14px;font-weight:600;border-radius:var(--radius);transition:all var(--transition)}
.btn-outline:hover{border-color:var(--gray-400);background:var(--gray-50)}
.btn-paste{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--purple-600);color:var(--white);font-size:13px;font-weight:600;border-radius:var(--radius-sm);transition:all var(--transition);margin-top:12px}
.btn-paste:hover{background:var(--purple-700)}

.mobile-menu-btn{display:none;flex-direction:column;gap:5px;padding:4px}
.mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--gray-700);border-radius:2px;transition:all var(--transition)}
.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--gray-200);padding:16px 24px;z-index:99;box-shadow:var(--shadow-lg);flex-direction:column;gap:4px}
.mobile-menu.open{display:flex}
.mobile-menu a{display:block;padding:10px 0;font-size:15px;font-weight:500;color:var(--gray-700);border-bottom:1px solid var(--gray-100)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu hr{border:none;border-top:1px solid var(--gray-200);margin:4px 0}

.hero{padding:60px 0 40px;text-align:center;background:linear-gradient(180deg,var(--purple-50) 0%,var(--white) 100%)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:var(--white);border:1px solid var(--gray-200);border-radius:999px;font-size:13px;color:var(--gray-600);margin-bottom:24px;box-shadow:var(--shadow-sm)}
.pulse-dot{width:8px;height:8px;background:var(--green-500);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.15;color:var(--gray-900);margin-bottom:16px;letter-spacing:-.02em}
.gradient-text{background:linear-gradient(135deg,var(--purple-600),#a855f7,var(--purple-500));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:17px;color:var(--gray-500);max-width:600px;margin:0 auto 32px;line-height:1.6}
.hero-sub strong{color:var(--gray-800)}

.search-box{max-width:640px;margin:0 auto 28px;display:flex;flex-direction:column;gap:12px}
.search-input-wrap{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--white);border:1.5px solid var(--gray-200);border-radius:var(--radius);transition:all var(--transition);box-shadow:var(--shadow-sm)}
.search-input-wrap:focus-within{border-color:var(--purple-400);box-shadow:0 0 0 3px rgba(124,58,237,.1)}
.search-icon{color:var(--gray-400);flex-shrink:0}
.search-input-wrap input{flex:1;font-size:15px;color:var(--gray-800);background:transparent}
.search-input-wrap input::placeholder{color:var(--gray-400)}
.convert-btn{width:100%;padding:14px 24px;font-size:15px}

.pro-banner{max-width:640px;margin:0 auto 32px;display:none}
.pro-banner.show{display:block}
.pro-banner-inner{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.pro-banner-left{display:flex;align-items:center;gap:12px}
.pro-icon{width:40px;height:40px;background:var(--purple-50);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.pro-banner-left div{display:flex;flex-direction:column}
.pro-banner-left strong{font-size:14px;color:var(--gray-900)}
.pro-banner-left span{font-size:12px;color:var(--gray-500)}
.pro-banner-tags{display:flex;gap:8px}
.tag{padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600}
.tag-green{background:#dcfce7;color:#16a34a}
.pro-banner-price{font-size:14px;font-weight:600;color:var(--purple-600)}
.pro-banner-rating{width:100%;text-align:center;font-size:12px;color:var(--gray-500);padding-top:8px;border-top:1px solid var(--gray-100)}

.carousel-section{margin-top:12px;text-align:left;overflow:hidden}
.carousel-label{font-size:12px;font-weight:500;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}
.carousel-track{display:flex;gap:16px;animation:scroll 40s linear infinite;width:max-content}
.carousel-track:hover{animation-play-state:paused}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.carousel-item{flex-shrink:0;width:140px;text-align:center}
.carousel-item img{width:140px;height:140px;border-radius:var(--radius-sm);object-fit:cover;margin-bottom:8px;box-shadow:var(--shadow)}
.track-name{display:block;font-size:12px;font-weight:600;color:var(--gray-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.artist-name{display:block;font-size:11px;color:var(--gray-500)}

.section{padding:80px 0}
.section-alt{background:var(--gray-50)}
.section-badge{display:inline-block;padding:4px 12px;background:var(--purple-50);color:var(--purple-600);font-size:12px;font-weight:600;border-radius:999px;margin-bottom:12px}
.section h2,.section-title{font-size:clamp(24px,3.5vw,36px);font-weight:800;color:var(--gray-900);margin-bottom:12px;letter-spacing:-.01em}
.section-sub,.section-subtitle{font-size:16px;color:var(--gray-500);max-width:600px;margin-bottom:48px}

.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{background:var(--white);border-radius:var(--radius-lg);padding:28px 24px;position:relative}
.step-card-dashed{border:1.5px dashed var(--gray-300)}
.step-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.step-number-small{font-size:14px;font-weight:600;color:var(--gray-800)}
.step-icon-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:8px;color:var(--gray-500);transition:all var(--transition)}
.step-icon-btn:hover{background:var(--purple-50);border-color:var(--purple-300);color:var(--purple-600)}
.step-card h3{font-size:18px;font-weight:700;color:var(--gray-900);margin-bottom:8px}
.step-card p{font-size:14px;color:var(--gray-500);line-height:1.6;margin-bottom:20px}
.step-visual{border-top:1px dashed var(--gray-200);padding-top:20px}
.underline-text{text-decoration:underline;text-decoration-color:var(--gray-800);text-underline-offset:4px}
.section-badge em{font-style:italic}
.url-chips{display:flex;flex-direction:column;gap:8px}
.url-chip{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-sm);font-size:11px}
.url-chip-last{border:1.5px dashed var(--purple-300);background:var(--white)}
.chip-icon{flex-shrink:0;display:flex;align-items:center}
.url-chip code{font-family:'SF Mono',Monaco,monospace;font-size:11px;color:var(--gray-600);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.btn-paste-inline{flex-shrink:0;padding:6px 14px;background:var(--purple-600);color:var(--white);font-size:12px;font-weight:600;border-radius:6px;border:none;cursor:pointer;transition:all var(--transition)}
.btn-paste-inline:hover{background:var(--purple-700)}
.format-options{display:flex;flex-direction:column;gap:8px}
.format-row{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--gray-200);border-radius:var(--radius-sm);font-size:13px;transition:all var(--transition);cursor:pointer}
.format-row.active{border-color:var(--purple-300);background:var(--purple-50)}
.format-radio{width:18px;height:18px;border:2px solid var(--gray-300);border-radius:50%;position:relative;flex-shrink:0;transition:all var(--transition)}
.format-radio.checked{border-color:var(--purple-600);background:var(--purple-600)}
.format-radio.checked::after{content:'';position:absolute;top:3px;left:3px;width:8px;height:8px;background:var(--white);border-radius:50%}
.format-name{font-weight:700;color:var(--gray-900);min-width:40px}
.format-quality{color:var(--gray-500);font-size:13px;flex:1}
.format-badge{font-size:11px;font-weight:600;padding:3px 10px;border-radius:999px}
.free-badge{background:#dcfce7;color:#16a34a}
.supporter-badge{background:var(--purple-50);color:var(--purple-600)}
.download-demo{display:flex;flex-direction:column;gap:12px}
.download-card-active{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm)}
.dl-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.dl-card-name{font-size:14px;font-weight:600;color:var(--gray-900)}
.dl-card-check{display:flex;align-items:center}
.dl-card-progress{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden;margin-bottom:10px}
.dl-card-bar{height:100%;background:linear-gradient(90deg,var(--purple-600),var(--purple-400),var(--purple-600));background-size:200% 100%;border-radius:3px;animation:loadingBar 1.5s ease-in-out infinite;position:relative}
.dl-card-bar::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.4),transparent);animation:shimmer 1.5s ease-in-out infinite}
@keyframes loadingBar{0%{background-position:100% 50%}50%{background-position:0% 50%}100%{background-position:100% 50%}}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.dl-card-footer{display:flex;align-items:center;justify-content:space-between}
.dl-card-speed{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:500;color:var(--gray-600)}
.dl-card-status{font-size:12px;font-weight:600}
.dl-card-status.done{color:var(--gray-800)}
.download-card-idle{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);padding:14px 16px}
.dl-card-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.dl-card-name-small{font-size:13px;font-weight:500;color:var(--gray-700)}
.dl-card-queued{font-size:12px;font-weight:500;color:var(--gray-400)}
.dl-card-row-sub{display:flex;align-items:center;justify-content:space-between}
.dl-card-waiting{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--gray-400)}

.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:800px;margin:0 auto}
.pricing-card{background:var(--white);border:1.5px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px;position:relative;display:flex;flex-direction:column}
.pricing-card-popular{border-color:var(--purple-300);box-shadow:0 0 0 4px var(--purple-50)}
.pricing-tag{position:absolute;top:-12px;left:24px;padding:4px 12px;background:var(--gray-100);color:var(--gray-600);font-size:11px;font-weight:600;border-radius:999px}
.popular-tag{background:var(--purple-600);color:var(--white)}
.pricing-label{font-size:14px;font-weight:600;color:var(--gray-500);margin-bottom:8px}
.pricing-price{font-size:48px;font-weight:800;color:var(--gray-900);line-height:1;margin-bottom:8px}
.pricing-period{font-size:16px;font-weight:500;color:var(--gray-500)}
.pricing-desc{font-size:14px;color:var(--gray-500);margin-bottom:24px}
.pricing-features{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1}
.pricing-features li{display:flex;align-items:center;gap:10px;font-size:14px}
.pricing-features li svg{flex-shrink:0}
.pricing-features li.included{color:var(--gray-700)}
.pricing-features li.included svg{color:var(--green-500)}
.pricing-features li.excluded{color:var(--gray-400)}
.pricing-features li.excluded svg{color:var(--gray-300)}
.pricing-card .btn-outline,.pricing-card .btn-primary{width:100%}
.pricing-note{text-align:center;font-size:13px;color:var(--gray-400);margin-top:24px}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px;display:flex;flex-direction:column}
.feature-card h3{font-size:17px;font-weight:700;color:var(--gray-900);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--gray-500);line-height:1.6;margin-bottom:20px}
.feature-card-wide{grid-column:span 2}
.feature-visual{margin-top:auto;padding-top:16px;border-top:1px solid var(--gray-100)}
.mini-download-list{border:1px solid var(--gray-200);border-radius:var(--radius-sm);overflow:hidden}
.mini-dl-header{padding:10px 14px;background:var(--gray-50);font-size:12px;font-weight:500;color:var(--gray-500);border-bottom:1px solid var(--gray-200)}
.mini-dl-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--gray-100)}
.mini-dl-item:last-child{border-bottom:none}
.mini-dl-type{font-size:10px;font-weight:600;color:var(--gray-400);text-transform:uppercase;width:56px;flex-shrink:0}
.mini-dl-info{flex:1;min-width:0}
.mini-dl-info strong{display:block;font-size:13px;color:var(--gray-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-dl-info span{font-size:11px;color:var(--gray-400)}
.mini-dl-pct{font-size:11px;font-weight:500;color:var(--gray-400)}
.mini-dl-footer{padding:8px 14px;font-size:11px;color:var(--gray-400);background:var(--gray-50);border-top:1px solid var(--gray-200)}
.quality-list{display:flex;flex-direction:column;gap:10px}
.quality-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-sm)}
.quality-wave{width:40px;height:24px;background:linear-gradient(90deg,var(--gray-300) 0%,var(--gray-300) 30%,transparent 30%,transparent 35%,var(--gray-300) 35%,var(--gray-300) 55%,transparent 55%,transparent 60%,var(--gray-300) 60%,var(--gray-300) 75%,transparent 75%,transparent 80%,var(--gray-300) 80%);border-radius:4px}
.wave-good{background:linear-gradient(90deg,var(--purple-300) 0%,var(--purple-300) 25%,transparent 25%,transparent 28%,var(--purple-300) 28%,var(--purple-300) 50%,transparent 50%,transparent 53%,var(--purple-300) 53%,var(--purple-300) 70%,transparent 70%,transparent 73%,var(--purple-300) 73%,var(--purple-300) 90%,transparent 90%)}
.wave-best{background:linear-gradient(90deg,var(--purple-500) 0%,var(--purple-500) 18%,transparent 18%,transparent 20%,var(--purple-500) 20%,var(--purple-500) 35%,transparent 35%,transparent 37%,var(--purple-500) 37%,var(--purple-500) 48%,transparent 48%,transparent 50%,var(--purple-500) 50%,var(--purple-500) 62%,transparent 62%,transparent 64%,var(--purple-500) 64%,var(--purple-500) 78%,transparent 78%,transparent 80%,var(--purple-500) 80%,var(--purple-500) 95%)}
.quality-info{flex:1;display:flex;flex-direction:column}
.quality-info span{font-size:13px;font-weight:600;color:var(--gray-800)}
.quality-sub{font-size:11px!important;font-weight:400!important;color:var(--gray-400)!important}
.quality-badge{padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600}
.quality-footer{font-size:12px;color:var(--gray-400);margin-top:8px}
.check-list{display:flex;flex-direction:column;gap:10px}
.check-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-sm);font-size:13px;color:var(--gray-700)}
.check-item.highlight{background:#dcfce7;border-color:#bbf7d0;color:#166534}
.playlist-demo{border:1px solid var(--gray-200);border-radius:var(--radius-sm);overflow:hidden}
.playlist-header{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}
.playlist-header strong{font-size:14px;color:var(--gray-800)}
.playlist-header span{font-size:12px;color:var(--gray-400)}
.unlimited-tag{margin-left:auto;padding:2px 8px;background:var(--green-500);color:var(--white);font-size:10px;font-weight:700;border-radius:999px}
.playlist-tracks{padding:8px 0}
.pl-track{display:flex;align-items:center;gap:10px;padding:6px 14px;font-size:13px;color:var(--gray-700)}
.pl-track img{width:32px;height:32px;border-radius:4px;object-fit:cover}
.pl-num{width:16px;text-align:center;font-size:12px;color:var(--gray-400)}
.pl-more{padding:8px 14px;font-size:12px;color:var(--gray-400);text-align:center}
.search-demo{border:1px solid var(--gray-200);border-radius:var(--radius-sm);overflow:hidden}
.search-demo-header{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--gray-50);border-bottom:1px solid var(--gray-200);font-size:13px;font-weight:600;color:var(--gray-800)}
.supporter-badge-sm{padding:2px 8px;background:var(--purple-50);color:var(--purple-600);font-size:10px;font-weight:600;border-radius:999px}
.search-results-list{display:flex;flex-direction:column}
.search-result-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--gray-100)}
.search-result-item:last-child{border-bottom:none}
.search-result-item img{width:40px;height:40px;border-radius:4px;object-fit:cover}
.search-result-item div{display:flex;flex-direction:column}
.search-result-item strong{font-size:13px;color:var(--gray-800)}
.search-result-item span{font-size:11px;color:var(--gray-400)}

.convert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.convert-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px}
.convert-card h3{font-size:17px;font-weight:700;color:var(--gray-900);margin-bottom:8px}
.convert-card p{font-size:14px;color:var(--gray-500);margin-bottom:20px}
.type-tabs{display:flex;gap:8px;margin-bottom:16px}
.type-tab{padding:6px 14px;font-size:13px;font-weight:500;color:var(--gray-500);background:var(--gray-100);border-radius:var(--radius-sm);transition:all var(--transition)}
.type-tab.active{background:var(--gray-900);color:var(--white)}
.url-display{padding:10px 14px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-sm);margin-bottom:16px}
.url-display code{font-family:'SF Mono',Monaco,monospace;font-size:12px;color:var(--gray-500)}
.convert-track-preview{display:flex;align-items:center;gap:12px;padding:14px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-sm)}
.convert-track-preview img{width:56px;height:56px;border-radius:var(--radius-sm);object-fit:cover}
.track-preview-info{flex:1;display:flex;flex-direction:column}
.track-preview-info strong{font-size:14px;color:var(--gray-800)}
.track-preview-info span{font-size:12px;color:var(--gray-500)}
.track-meta{font-size:11px!important;color:var(--gray-400)!important}
.convert-note{font-size:12px;color:var(--gray-400);margin-top:16px!important}
.quality-choices{display:flex;flex-direction:column;gap:12px}
.quality-choice{display:flex;align-items:center;padding:16px 20px;border:1.5px solid var(--gray-200);border-radius:var(--radius);cursor:pointer;transition:all var(--transition)}
.quality-choice:hover{border-color:var(--gray-300)}
.quality-choice.active{border-color:var(--purple-500);background:var(--purple-50)}
.quality-choice input{display:none}
.qc-content{display:flex;align-items:center;gap:12px;flex:1}
.qc-format{font-size:18px;font-weight:700;color:var(--gray-900);min-width:60px}
.qc-bitrate{font-size:14px;color:var(--gray-500)}
.qc-label{margin-left:auto;padding:4px 12px;border-radius:999px;font-size:11px;font-weight:600}
.free-label{background:#dcfce7;color:#16a34a}
.supporter-label{background:var(--purple-100);color:var(--purple-600)}

.metadata-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.metadata-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px}
.metadata-badge{display:inline-block;padding:4px 10px;background:var(--purple-50);color:var(--purple-600);font-size:11px;font-weight:600;border-radius:999px;margin-bottom:12px}
.metadata-card h3{font-size:17px;font-weight:700;color:var(--gray-900);margin-bottom:8px}
.metadata-card p{font-size:14px;color:var(--gray-500);margin-bottom:20px;line-height:1.6}
.metadata-visual{padding-top:20px;border-top:1px solid var(--gray-100)}
.meta-album-preview{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.meta-album-preview img{width:72px;height:72px;border-radius:var(--radius-sm);object-fit:cover}
.meta-album-preview div{display:flex;flex-direction:column}
.meta-album-preview strong{font-size:14px;color:var(--gray-800)}
.meta-album-preview span{font-size:12px;color:var(--gray-500)}
.meta-check{color:var(--green-500)!important;font-weight:500}
.meta-details{display:flex;flex-direction:column;gap:8px}
.meta-row{display:flex;justify-content:space-between;padding:8px 12px;background:var(--gray-50);border-radius:var(--radius-sm);font-size:13px}
.meta-key{color:var(--gray-500)}
.meta-val{color:var(--gray-800);font-weight:500}
.devices-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}
.device-item{padding:20px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);text-align:center}
.device-icon{margin-bottom:8px;color:var(--purple-500)}
.device-item strong{display:block;font-size:14px;color:var(--gray-800);margin-bottom:2px}
.device-item span{font-size:12px;color:var(--gray-500)}
.devices-note{text-align:center;font-size:13px;color:var(--gray-400);padding:12px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-sm)}

.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.faq-item{border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;background:var(--white)}
.faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 20px;font-size:15px;font-weight:600;color:var(--gray-800);text-align:left;transition:background var(--transition)}
.faq-question:hover{background:var(--gray-50)}
.faq-chevron{flex-shrink:0;color:var(--gray-400);transition:transform var(--transition)}
.faq-item.open .faq-chevron{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 300ms ease}
.faq-item.open .faq-answer{max-height:200px}
.faq-answer p{padding:0 20px 16px;font-size:14px;color:var(--gray-500);line-height:1.6}

.scroll-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;background:var(--white);border:1px solid var(--gray-200);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all var(--transition);z-index:50;color:var(--gray-600)}
.scroll-top.visible{opacity:1;pointer-events:auto}
.scroll-top:hover{background:var(--gray-50);transform:translateY(-2px)}

.footer{background:var(--gray-900);color:var(--gray-400);padding:60px 0 30px}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:48px;margin-bottom:40px}
.footer-brand .logo{color:var(--white);margin-bottom:12px}
.footer-brand .logo svg{color:var(--purple-400)}
.footer-brand p{font-size:13px;line-height:1.7;color:var(--gray-400)}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-links h4{font-size:13px;font-weight:600;color:var(--gray-200);margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em}
.footer-links a{display:block;font-size:13px;color:var(--gray-400);padding:4px 0;transition:color var(--transition)}
.footer-links a:hover{color:var(--white)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:24px}
.footer-tags span{padding:4px 12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:999px;font-size:11px;color:var(--gray-400)}
.footer-bottom p{font-size:12px;line-height:1.7;color:var(--gray-500);margin-bottom:8px}
.footer-bottom p:last-child{margin-bottom:0;color:var(--gray-400)}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-overlay.open{display:flex}
.modal{background:var(--white);border-radius:var(--radius-lg);padding:32px;max-width:420px;width:90%;position:relative;box-shadow:var(--shadow-xl)}
.modal-close{position:absolute;top:16px;right:16px;color:var(--gray-400);transition:color var(--transition)}
.modal-close:hover{color:var(--gray-700)}
.modal h2{font-size:20px;font-weight:700;color:var(--gray-900);margin-bottom:8px}
.modal>p{font-size:14px;color:var(--gray-500);margin-bottom:20px}
.modal-social{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.btn-social{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:10px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:14px;font-weight:500;color:var(--gray-700);transition:all var(--transition)}
.btn-social:hover{background:var(--gray-50);border-color:var(--gray-300)}
.modal-divider{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:var(--gray-400);font-size:13px}
.modal-divider::before,.modal-divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}
.modal-form{display:flex;flex-direction:column;gap:10px}
.modal-input{padding:10px 14px;border:1px solid var(--gray-200);border-radius:var(--radius-sm);font-size:14px;color:var(--gray-800);transition:border-color var(--transition)}
.modal-input:focus{border-color:var(--purple-400);outline:none}
.btn-full{width:100%}
.modal-footer-text{text-align:center;font-size:13px;color:var(--gray-500);margin-top:16px}
.modal-footer-text a{color:var(--purple-600);font-weight:600}

@media(max-width:1024px){.steps-grid{grid-template-columns:1fr;max-width:500px;margin:0 auto}.features-grid{grid-template-columns:repeat(2,1fr)}.feature-card-wide{grid-column:span 2}}
@media(max-width:768px){.nav{display:none}.lang-text{display:none}.mobile-menu-btn{display:flex}.header-right .btn-ghost{display:none}.header-right .btn-primary.btn-sm{display:none}.hero h1{font-size:28px}.hero-sub{font-size:15px}.pricing-grid{grid-template-columns:1fr}.features-grid{grid-template-columns:1fr}.feature-card-wide{grid-column:span 1}.convert-grid{grid-template-columns:1fr}.metadata-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr;gap:32px}.footer-links{grid-template-columns:repeat(2,1fr)}.pro-banner-inner{flex-direction:column;align-items:flex-start}.pro-banner-tags{flex-wrap:wrap}.devices-grid{grid-template-columns:1fr}.section{padding:48px 0}.section h2{font-size:24px}.carousel-item{width:120px}.carousel-item img{width:120px;height:120px}}
@media(max-width:480px){.container{padding:0 16px}.hero{padding:40px 0 24px}.hero h1{font-size:24px}.convert-btn{padding:12px 16px;font-size:14px}.footer-links{grid-template-columns:1fr}.footer-tags{gap:6px}.pricing-card{padding:24px}}