:root {
  color-scheme: light;
  --primary: #007aff;
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #86868b;
  --border: #d2d2d7;
  --red: #ff3b30;
  --green: #34c759;
  --orange: #ff9500;
  --blue: #007aff;
  --hover-bg: #f5f5f7;
  --input-bg: #ffffff;
  --modal-overlay: rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
}
[data-theme="dark"] {
  color-scheme: dark;
  --primary: #0a84ff;
  --bg: #000000;
  --card: #1c1c1e;
  --text: #f5f5f7;
  --text-secondary: #86868b;
  --border: #2c2c2e;
  --red: #ff453a;
  --green: #30d158;
  --orange: #ff9f0a;
  --blue: #0a84ff;
  --hover-bg: #2c2c2e;
  --input-bg: #1c1c1e;
  --modal-overlay: rgba(255,255,255,0.1);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; transition: background 0.3s; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

* { -webkit-tap-highlight-color: transparent; outline: none; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0; padding: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
}
body.loaded { opacity: 1; }

.container {
  width: 95%; margin: 0 auto; padding: 20px;
  max-width: 1800px;
  box-sizing: border-box;
  display: flex; flex-direction: column;
  min-height: 100vh;
}

.header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  margin-bottom: 30px; margin-top: -20px;
  backdrop-filter: saturate(180%) blur(20px);
  background: var(--card);
  position: sticky; top: 0; z-index: 90;
  width: calc(100% - 40px);
  border-radius: 0 0 12px 12px;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  max-height: 70px;
}
.header.menu-open { max-height: 400px; transition: max-height 0.7s cubic-bezier(0.5, 0, 0, 1); }

.logo {
  font-size: 22px; font-weight: bold;
  color: var(--text); text-decoration: none;
  letter-spacing: -0.5px;
  transition: color 0.1s;
}
.logo:active { opacity: 0.7; }

.menu-toggle {
  display: none; background: none; border: none;
  color: var(--text); cursor: pointer; padding: 5px;
}
.menu-toggle svg { width: 24px; height: 24px; }

.nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px; font-weight: 500;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 4px;
}
.nav a::after {
  content: ''; position: absolute;
  width: 0; height: 2px;
  bottom: 0; left: 50%;
  background-color: var(--primary);
  transition: width 0.3s ease, left 0.3s ease;
}
.nav a:hover { color: var(--primary); }
.nav a:active { opacity: 0.7; color: var(--primary); }
.nav a:active::after, .nav a:active::after { background-color: var(--primary) !important; }
.nav a:hover::after { width: 100%; left: 0; }

.card, .av-card-mini {
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  border: 1px solid var(--border);
  position: relative;
  box-sizing: border-box;
}
.card {
  margin-bottom: 24px;
  overflow: visible;
  z-index: 1;
  backface-visibility: hidden;
  transform: translateZ(0);
}
.card:hover { box-shadow: var(--shadow-md); }
.card:has(.custom-select-wrapper.open) { z-index: 101; }

.card h3, .card h4, .av-card-mini h3 {
  font-weight: 600; color: var(--text);
  margin-top: 0; display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.01em;
}
.card h3, .card h4 { font-size: 19px; margin-bottom: 18px; }
.card-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.5; }

.card-accent-top { overflow: hidden; isolation: isolate; }
.card-accent-top:has(.custom-select-wrapper) { overflow: visible; isolation: auto; }
.card-accent-top::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: var(--border); z-index: 1;
  border-radius: 15px 15px 0 0;
  pointer-events: none; margin: 0;
}

.card-status-general::before { background: var(--red); }
.card-status-suspicious::before { background: var(--orange); }
.card-status-undetected::before { background: var(--green); }
.card-status-white::before { background: var(--blue); }
.card-status-unsupport::before { background: var(--text-secondary); }

.section-icon { color: var(--primary); width: 20px; height: 20px; }
.grid { 
  display: grid; 
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); 
  gap: 24px; 
  transition: grid-template-columns 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn, .btn-outline, .btn-danger, .btn-danger-outline, .btn-dark, .btn-success, .btn-outline-success, .btn-outline-danger {
  padding: 12px 24px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px; font-weight: 500;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.btn {
  background: var(--primary); color: white;
  box-shadow: 0 2px 4px rgba(0,122,255,0.2);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0,122,255,0.3); opacity: 0.95; }
.btn:active { transform: translateY(0); opacity: 0.75; box-shadow: none; }

.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,122,255,0.03); }
.btn-outline:active { opacity: 0.7; background: rgba(0,0,0,0.05); }

.btn-danger { background: var(--red); color: white; box-shadow: 0 2px 4px rgba(255,59,48,0.2); }
.btn-danger:hover { box-shadow: 0 4px 8px rgba(255,59,48,0.3); }
.btn-danger:active { opacity: 0.75; box-shadow: none; }

.btn-danger-outline { background: transparent; border-color: var(--red); color: var(--red); }
.btn-danger-outline:hover { background: rgba(255, 59, 48, 0.05); box-shadow: 0 4px 8px rgba(255, 59, 48, 0.2); }
.btn-danger-outline:active { opacity: 0.7; background: rgba(255, 59, 48, 0.1); }

.btn-dark { background: var(--text); color: var(--bg); box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.btn-dark:hover { box-shadow: 0 4px 8px rgba(0,0,0,0.3); }
.btn-dark:active { opacity: 0.75; }

.btn-success {
  background: var(--green); color: white;
  box-shadow: 0 2px 4px rgba(52, 199, 89, 0.2);
}
.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(52, 199, 89, 0.3);
  opacity: 0.95;
}
.btn-success:active {
  transform: translateY(0);
  opacity: 0.75;
  box-shadow: none;
}

.btn-outline-success {
  background: transparent; border-color: var(--green); color: var(--green);
}
.btn-outline-success:hover {
  background: rgba(52, 199, 89, 0.05);
  box-shadow: 0 4px 8px rgba(52, 199, 89, 0.2);
}
.btn-outline-success:active {
  opacity: 0.7;
  background: rgba(52, 199, 89, 0.1);
}

.btn-outline-danger {
  background: transparent; border-color: var(--red); color: var(--red);
}
.btn-outline-danger:hover {
  background: rgba(255, 59, 48, 0.05);
  box-shadow: 0 4px 8px rgba(255, 59, 48, 0.2);
}
.btn-outline-danger:active {
  opacity: 0.7;
  background: rgba(255, 59, 48, 0.1);
}

.comment-delete-btn {
  color: var(--text-secondary);
  background: none; border: none; padding: 4px;
  cursor: pointer; transition: color 0.2s;
  display: flex; align-items: center; justify-content: center;
  margin-left: auto;
}
.comment-delete-btn:hover { color: var(--red); }

.input-group { margin-bottom: 20px; }
.input-group label {
  display: block; margin-bottom: 8px;
  font-size: 13px; font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.5px;
}

input, select, .custom-select-trigger, .search-input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 100%; box-sizing: border-box;
  font-size: 15px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  transition: all 0.2s;
  -webkit-appearance: none;
}
input:focus, select:focus, .custom-select-wrapper.open .custom-select-trigger, .search-input:focus {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
input:active, select:active, .custom-select-trigger:active {
  border-color: var(--primary) !important;
}
.custom-select-trigger:active { color: var(--primary) !important; }

input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus, input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 30px var(--input-bg) inset !important;
  -webkit-text-fill-color: var(--text) !important;
  transition: background-color 5000s ease-in-out 0s;
}

.custom-select-wrapper { position: relative; user-select: none; width: 100%; }
.custom-select-trigger {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; font-weight: 500;
}
.custom-select-wrapper.open { z-index: 1001; }
.custom-select-trigger:after {
  content: ''; display: block;
  width: 6px; height: 6px;
  border-bottom: 2px solid var(--text-secondary);
  border-right: 2px solid var(--text-secondary);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s;
  margin-left: 10px;
}
.custom-select-wrapper.open .custom-select-trigger:after { transform: rotate(225deg) translateY(2px); }

.custom-options {
  position: absolute; display: block;
  top: calc(100% + 8px); left: 0; right: 0;
  border: 1px solid var(--border);
  background: var(--card);
  transition: all 0.2s;
  opacity: 0; visibility: hidden; pointer-events: none;
  z-index: 1000;
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 6px;
  transform: translateY(-10px);
}
.custom-select-wrapper.open .custom-options { opacity: 1; visibility: visible; pointer-events: all; transform: translateY(0); }
.custom-option {
  position: relative; display: block;
  padding: 10px 12px;
  font-size: 14px; font-weight: 500;
  color: var(--text); cursor: pointer;
  transition: all 0.2s; border-radius: 6px;
}
.custom-option:hover, .custom-option.selected:hover { background-color: var(--primary); color: #fff; }
.custom-option:active { background-color: var(--primary) !important; opacity: 0.8 !important; color: #fff !important; }
.custom-option.selected { background: var(--hover-bg); font-weight: 600; color: var(--primary); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes scaleOut { from { transform: scale(1); opacity: 1; } to { transform: scale(0.95); opacity: 0; } }
@keyframes slideUpFade { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounceIcon { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

.fade-in { animation: fadeIn 0.4s ease forwards; }
.fade-in > .card, .fade-in > .grid > div > .card, .stagger-load > * {
  opacity: 0; animation: slideUpFade 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  will-change: transform, opacity;
}
.fade-in > .card:nth-child(1), .stagger-load > *:nth-child(1) { animation-delay: 0.1s; }
.fade-in > .card:nth-child(2), .stagger-load > *:nth-child(2), .grid > div:nth-child(1) > .card { animation-delay: 0.2s; }
.fade-in > .card:nth-child(3), .stagger-load > *:nth-child(3), .grid > div:nth-child(2) > .card { animation-delay: 0.3s; }
.fade-in > .card:nth-child(4), .stagger-load > *:nth-child(4) { animation-delay: 0.4s; }

.settings-container { display: flex; gap: 40px; align-items: flex-start; }
.settings-sidebar { flex: 0 0 260px; position: sticky; top: 100px; }
.settings-nav-item {
  display: block; padding: 14px 20px;
  text-decoration: none; color: var(--text-secondary);
  font-size: 15px; font-weight: 500;
  border-radius: 10px;
  transition: all 0.2s; margin-bottom: 4px;
}
.settings-nav-item:hover { background: rgba(0,0,0,0.03); color: var(--text); }
.settings-nav-item:active { color: var(--primary) !important; background: rgba(0,0,0,0.05) !important; }
.settings-nav-item.active {
  background: var(--card); color: var(--primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.05);
}
.settings-content { flex: 1; min-width: 0; }

.profile-header {
  display: flex; align-items: center; gap: 24px;
  margin-bottom: 30px; padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.avatar-box {
  width: 88px; height: 88px;
  border-radius: 50%; background: #f0f0f5;
  overflow: hidden; display: flex; align-items: center; justify-content: center;
  position: relative; cursor: pointer;
  border: 4px solid var(--card);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  flex-shrink: 0;
}
.avatar-box:hover img { opacity: 0.8; }
.avatar-box:active { border-color: var(--primary) !important; }
.avatar-box img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.2s; }

.settings-footer {
  margin-top: 30px; padding-top: 25px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.settings-footer-left { display: flex; gap: 15px; align-items: center; }

.billing-grid { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.billing-opt {
  flex: 1 1 100px;
  background: var(--input-bg);
  border-radius: 12px; padding: 18px 0;
  text-align: center; cursor: pointer;
  transition: 0.2s; font-weight: 600; color: var(--text);
  border: 1px solid var(--border);
}
.billing-opt:hover { background: var(--hover-bg); }
.billing-opt:active { border-color: var(--primary) !important; color: var(--primary) !important; background: transparent !important; }
.billing-opt.selected { border-color: var(--primary); background: rgba(0,122,255,0.08); color: var(--primary); }
.payment-methods { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 15px; }

.modal-overlay, .captcha-overlay {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--modal-overlay);
  z-index: 10000;
  display: flex; justify-content: center; align-items: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
  backdrop-filter: blur(5px);
}
.modal-overlay.show, .captcha-overlay.show { opacity: 1; pointer-events: auto; }
.modal-box, .captcha-box {
  background: var(--card);
  padding: 32px; border-radius: 20px;
  width: 90%; max-width: 420px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  text-align: center;
  opacity: 0; transform: scale(0.95);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border);
}
.modal-overlay.show .modal-box, .captcha-overlay.show .captcha-box { opacity: 1; transform: scale(1); }
.modal-overlay.closing .modal-box, .captcha-overlay.closing .captcha-box { animation: scaleOut 0.2s forwards; }

.modal-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.modal-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }

.captcha-canvas-container {
  position: relative; width: 100%; max-width: 400px;
  aspect-ratio: 1 / 1; margin: 0 auto;
  background: var(--bg); border-radius: 16px;
  overflow: hidden; cursor: grab; box-shadow: none;
}
#captchaCanvas { width: 100%; height: 100%; display: block; opacity: 1; transition: opacity 0.3s ease-in-out; }
#captchaCanvas.fade-out { opacity: 0; }
.captcha-instruction { margin-top: 20px; color: var(--text-secondary); font-size: 15px; font-weight: 500; }
#captchaStatus { margin: 12px 0; font-weight: 700; height: 24px; font-size: 15px; }
.status-success { color: var(--green); }
.status-fail { color: var(--red); }

.table-wrapper { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 10px; border-radius: 10px; border: 1px solid var(--border); }
.detect-table, .meta-table, .search-results-table, .api-doc-table { width: 100%; border-collapse: collapse; border-spacing: 0; min-width: 600px; }
.detect-table th, .search-results-table th, .api-doc-table th, .meta-table td:first-child {
  text-align: left; padding: 14px 16px;
  color: var(--text-secondary);
  font-size: 12px; font-weight: 600;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  cursor: default; background-color: rgba(0,0,0,0.02);
}
.detect-table td, .search-results-table td, .meta-table td, .api-doc-table td {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text);
  vertical-align: middle; word-break: break-all;
  transition: color 0.1s;
}
.search-results-table tbody tr, .similar-item, .detect-table tbody tr, .api-doc-table tbody tr, .meta-table tr {
  transition: background-color 0.15s; cursor: pointer; opacity: 1; animation: none;
}
.search-results-table tbody tr:hover, .similar-item:hover { background-color: var(--hover-bg); }
.search-results-table tbody tr:active td, .similar-item:active, .detect-table tbody tr:active td, .api-doc-table tbody tr:active td {
  background-color: rgba(0,0,0,0.02) !important; color: inherit;
}
.meta-table tr td:first-child { width: 25%; min-width: 120px; background-color: rgba(0,0,0,0.01); border-right: 1px solid var(--border); }

.tag { padding: 4px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; display: inline-block; white-space: nowrap; }
.tag-general { background: rgba(255, 59, 48, 0.15); color: var(--red); }
.tag-suspicious { background: rgba(255, 149, 0, 0.15); color: var(--orange); }
.tag-undetected { background: rgba(52, 199, 89, 0.15); color: var(--green); }
.tag-white { background: rgba(0, 122, 255, 0.15); color: var(--blue); }
.tag-unsupport { background: rgba(142, 142, 147, 0.15); color: #636366; }

.tag-clean { background: rgba(0, 122, 255, 0.15); color: var(--green); }
.tag-malicious { background: rgba(255, 59, 48, 0.15); color: var(--red); }

.imports-wrapper { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.imports-item.active .imports-wrapper { grid-template-rows: 1fr; }
.imports-item { border-bottom: 1px solid var(--border); }
.imports-header {
  padding: 14px 16px; cursor: pointer;
  font-size: 14px; font-weight: 500;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text); transition: background-color 0.2s; user-select: none;
}
.imports-header:hover { background-color: var(--hover-bg); }
.imports-header:active { color: var(--primary) !important; background-color: rgba(0,0,0,0.02) !important; }
.imports-header::after { content: '+'; color: var(--text-secondary); font-size: 18px; font-weight: 400; transition: transform 0.3s ease; }
.imports-item.active .imports-header::after { content: '−'; transform: rotate(180deg); }

.func-list-container { overflow: hidden; }
.func-list { padding: 0 16px 14px 16px; font-size: 13px; line-height: 1.6; color: var(--text-secondary); font-family: monospace; word-break: break-all; }

.similar-header {
  display: flex; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-size: 12px; font-weight: 600; color: var(--text-secondary);
  text-transform: uppercase; background-color: rgba(0,0,0,0.02);
}
.similar-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); text-decoration: none; }
.similar-item:last-child { border-bottom: none; }

.hero-section { text-align: center; padding: 80px 20px; max-width: 800px; margin: 0 auto; }
.hero-title { font-size: 56px; margin-bottom: 16px; font-weight: 800; color: var(--primary); letter-spacing: -2px; }
.hero-desc { color: var(--text-secondary); margin-bottom: 40px; font-size: 20px; line-height: 1.5; }

.search-bar-container {
  background: var(--input-bg);
  padding: 10px; border-radius: 16px;
  box-shadow: 0 10px 40px -10px rgba(0,0,0,0.1);
  border: 1px solid rgba(0,0,0,0.05);
  display: flex; gap: 10px; transition: transform 0.2s;
}
.search-bar-container:focus-within { transform: translateY(-2px); border-color: var(--primary); }
.search-bar-container:active { border-color: var(--primary) !important; }
.search-input { border: none; box-shadow: none; background: transparent; font-size: 16px; padding: 16px 20px; }
.search-input:focus { border: none; transform: none; box-shadow: none; }

.upload-area {
  margin-top: 60px; padding: 40px;
  border: 2px dashed var(--border);
  border-radius: 20px; color: var(--text-secondary);
  cursor: pointer; transition: all 0.2s;
  background: var(--input-bg);
}
.upload-area:hover {
  border-color: var(--primary);
  background: rgba(0,122,255,0.02);
  color: var(--primary);
  transform: scale(1.01);
  box-shadow: 0 8px 24px rgba(0,122,255,0.12);
}
.upload-area:active { color: var(--primary) !important; border-color: var(--primary) !important; background: transparent !important; }
.upload-area:hover svg { animation: bounceIcon 1s ease infinite; }

.drop-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: var(--bg); opacity: 0.95;
  border: 8px dashed var(--primary);
  z-index: 999; display: none;
  justify-content: center; align-items: center;
  font-size: 2.5rem; color: var(--primary); font-weight: 700;
  backdrop-filter: blur(5px); box-sizing: border-box;
}

.code-block { background: #f0f0f5; padding: 4px 8px; border-radius: 6px; font-family: monospace; font-size: 13px; color: #d63384; }
.progress-container { background: var(--hover-bg); border-radius: 8px; height: 8px; overflow: hidden; margin: 20px 0 12px 0; position: relative; width: 100%; }
.progress-bar { background: var(--primary); height: 100%; width: 0%; transition: width 0.2s ease; border-radius: 8px; }
.spinner-container { display: flex; justify-content: center; margin: 20px 0; }
.spinner { width: 40px; height: 40px; animation: rotate 2s linear infinite; }
.spinner .path { stroke: var(--primary); stroke-linecap: round; animation: dash 1.5s ease-in-out infinite; }
@keyframes rotate { 100% { transform: rotate(360deg); } }
@keyframes dash { 0% { stroke-dasharray: 1, 150; stroke-dashoffset: 0; } 50% { stroke-dasharray: 90, 150; stroke-dashoffset: -35; } 100% { stroke-dasharray: 90, 150; stroke-dashoffset: -124; } }

.feature-row { display: flex; align-items: center; gap: 40px; padding: 10px; }
.feature-row.reverse { flex-direction: row-reverse; }
.feature-content { flex: 1; min-width: 0; }
.feature-image { flex: 1.2; text-align: center; }
.feature-image img { width: 100%; max-width: 600px; height: auto; border-radius: 8px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); border: 1px solid var(--border); }
.feature-title { font-size: 22px; font-weight: 700; margin-bottom: 12px; color: var(--primary); }
.feature-desc { font-size: 16px; line-height: 1.7; color: var(--text-secondary); }

.hero-image-container { margin-top: 40px; text-align: center; position: relative; padding: 0 20px; }
.hero-image-container img { max-width: 100%; width: 700px; border-radius: 12px; box-shadow: 0 20px 60px -10px rgba(0, 0, 0, 0.15); border: 1px solid var(--border); background: var(--card); }

.footer { margin-top: auto; padding: 40px 0 20px 0; text-align: center; color: var(--text-secondary); font-size: 13px; border-top: 1px solid rgba(0,0,0,0.05); }
.license-link { color: var(--text-secondary); text-decoration: underline; transition: color 0.2s; }
.license-link:hover { color: var(--primary); }
.license-link:active { color: var(--primary) !important; opacity: 0.7; }

.av-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-bottom: 40px; }
.av-card-mini { text-align: center; padding: 32px; border-radius: 20px; }
.av-card-mini:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: none !important; }
.av-icon-box { width: 64px; height: 64px; background: rgba(0, 122, 255, 0.1); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px auto; color: var(--primary); }
.av-card-mini h3 { font-size: 18px; margin-bottom: 12px; justify-content: center; transition: color 0.1s; }
.av-card-mini p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }

@media (max-width: 900px) {
  .header { padding: 15px 20px; width: calc(100% - 40px); margin-top: -20px; flex-wrap: wrap; transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
  .menu-toggle { display: block; }
  .nav {
    width: 100%; display: flex; flex-direction: column; align-items: flex-start;
    opacity: 0; visibility: hidden; max-height: 0; overflow: hidden; margin-top: 0; pointer-events: none;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, margin 0.4s ease;
  }
  .header.menu-open .nav { opacity: 1; visibility: visible; max-height: 400px; margin-top: 15px; pointer-events: auto; transition: max-height 0.7s cubic-bezier(0.5, 0, 0, 1), opacity 0.5s ease 0.1s, margin 0.6s ease; }
  .nav a { margin: 12px 0; font-size: 16px; width: 100%; }
  .container { padding: 15px; width: auto; }
  .hero-title { font-size: 42px; }
  .settings-container { flex-direction: column; }
  .settings-sidebar {
    position: static; width: 100%; flex: none; overflow-x: auto; display: flex; gap: 10px; margin-bottom: 20px; padding-bottom: 10px;
    -ms-overflow-style: none; scrollbar-width: none;
  }
  .settings-sidebar::-webkit-scrollbar { display: none; }
  .settings-nav-item { white-space: nowrap; margin-bottom: 0; background: var(--card); border: 1px solid var(--border); }
  .grid { grid-template-columns: minmax(0, 1fr); }
  
  .feature-row, .feature-row.reverse { flex-direction: column; gap: 30px; text-align: center; }
  .feature-image { width: 100%; }
}

@media (max-width: 600px) {
  .container { padding: 10px; width: 100%; }
  .header { border-radius: 0 0 16px 16px; padding: 12px 16px; width: calc(100% - 32px); }
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 16px; }
  .tag { padding: 2px 6px; font-size: 11px; }
  .card h1 { font-size: 20px; }
  .card { width: 100% !important; max-width: 100vw !important; box-sizing: border-box; margin-left: 0; margin-right: 0; padding: 16px; overflow: visible; z-index: 1; }
  .card-accent-top::before { display: none; }
  .table-wrapper { width: 100% !important; max-width: 100% !important; overflow-x: auto !important; display: block !important; margin: 0; padding: 0; -webkit-overflow-scrolling: touch; }
  td, .func-list, .similar-item div { word-break: break-all !important; white-space: normal !important; overflow-wrap: break-word !important; }
  .similar-item > div:first-child { min-width: 0 !important; flex-basis: 0; flex-grow: 1; }
  .settings-content, .settings-content form, .settings-footer > div { width: 100%; }
  .settings-footer { flex-direction: column; gap: 12px; align-items: stretch; }
  .settings-footer-left { display: flex; flex-direction: column; width: 100%; gap: 12px; }
  .settings-footer .btn, .settings-footer .btn-danger-outline, .settings-footer .btn-danger { width: 100%; margin: 0; box-sizing: border-box; display: flex; justify-content: center; }
  .input-group > div[style*="display:flex"] { flex-direction: column; }
  .input-group > div[style*="display:flex"] input { width: 100%; margin-bottom: 8px; }
  .input-group > div[style*="display:flex"] form, .input-group > div[style*="display:flex"] button { width: 100%; margin: 0; }
  .search-bar-container { flex-direction: column; height: auto !important; padding: 12px; gap: 10px !important; }
  .search-input { width: 100%; padding: 12px 0; }
  .search-bar-container .btn { margin: 0; width: 100%; height: 48px !important; }
  .card > div[style*="display:flex"] { display: block !important; }
  .card .btn, .card .btn-outline, .card .btn-dark { width: 100% !important; min-width: 0 !important; margin-left: 0 !important; margin-right: 0 !important; margin-bottom: 10px; box-sizing: border-box; }
  .card .btn:last-child { margin-bottom: 0; }
  .captcha-box { padding: 20px; width: 90%; max-width: 360px; }
}