:root {
  /* NON-COLOR-THEME variables: Typography, Spacing, etc. */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-base: 14px;
  --line-height-normal: 1.5;
  --space-8: 8px;
  --space-16: 16px;
  --radius-base: 8px;
  --radius-lg: 12px;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Light Mode Theme */
[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --select-caret: var(--select-caret-light);
  /* Other light-specific variables... */
}

/* Dark Mode Theme (Quantum Blue) */
[data-color-scheme="dark"] {
  --quantum-dark: #0B1426; --quantum-blue: #00A8FF; --quantum-blue-light: #33B8FF; --quantum-blue-dark: #0088CC; --quantum-gray: #1A1F2E; --quantum-text: #E8EAED; --quantum-text-secondary: #9AA0A6; --quantum-border: #363B47; --quantum-success: #34A853; --quantum-warning: #FBBC04; --quantum-error: #EA4335;
  --color-background: var(--quantum-dark);
  --color-surface: var(--quantum-gray);
  --color-text: var(--quantum-text);
  --color-text-secondary: var(--quantum-text-secondary);
  --color-primary: var(--quantum-blue);
  --color-primary-hover: var(--quantum-blue-light);
  --color-primary-active: var(--quantum-blue-dark);
  --color-border: var(--quantum-border);
  --color-card-border: var(--quantum-border);
  --color-btn-primary-text: white;
  --color-error: var(--quantum-error);
  --color-success: var(--quantum-success);
  --color-warning: var(--quantum-warning);
  --color-info: var(--quantum-text-secondary);
  --color-focus-ring: rgba(0, 168, 255, 0.4);
  --select-caret: var(--select-caret-dark);
  /* Other dark-specific variables... */
}

/* Base styles */
html { font-size: var(--font-size-base); font-family: var(--font-family-base); line-height: var(--line-height-normal); color: var(--color-text); background-color: var(--color-background); -webkit-font-smoothing: antialiased; box-sizing: border-box; }
body { margin: 0; padding: 0; }
*, *::before, *::after { box-sizing: inherit; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: var(--font-weight-semibold); line-height: var(--line-height-tight); color: var(--color-text); letter-spacing: var(--letter-spacing-tight); }
h1 { font-size: var(--font-size-4xl); } h2 { font-size: var(--font-size-3xl); } h3 { font-size: var(--font-size-2xl); } h4 { font-size: var(--font-size-xl); } h5 { font-size: var(--font-size-lg); } h6 { font-size: var(--font-size-md); }
p { margin: 0 0 var(--space-16) 0; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--duration-fast) var(--ease-standard); }
a:hover { color: var(--color-primary-hover); }
code, pre { font-family: var(--font-family-mono); font-size: calc(var(--font-size-base) * 0.95); background-color: var(--color-secondary); border-radius: var(--radius-sm); }
code { padding: var(--space-1) var(--space-4); }
pre { padding: var(--space-16); margin: var(--space-16) 0; overflow: auto; border: 1px solid var(--color-border); }
pre code { background: none; padding: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-8) var(--space-16); border-radius: var(--radius-base); font-size: var(--font-size-base); font-weight: 500; line-height: 1.5; cursor: pointer; transition: all var(--duration-normal) var(--ease-standard); border: none; text-decoration: none; position: relative; }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn--primary { background: var(--color-primary); color: var(--color-btn-primary-text); }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--primary:active { background: var(--color-primary-active); }
.btn--secondary { background: var(--color-secondary); color: var(--color-text); }
.btn--secondary:hover { background: var(--color-secondary-hover); }
.btn--secondary:active { background: var(--color-secondary-active); }
.btn--outline { background: transparent; border: 1px solid var(--color-border); color: var(--color-text); }
.btn--outline:hover { background: var(--color-secondary); }
.btn--sm { padding: var(--space-4) var(--space-12); font-size: var(--font-size-sm); border-radius: var(--radius-sm); }
.btn--lg { padding: var(--space-10) var(--space-20); font-size: var(--font-size-lg); border-radius: var(--radius-md); }
.btn--full-width { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Form elements */
.form-control { display: block; width: 100%; padding: var(--space-8) var(--space-12); font-size: var(--font-size-md); line-height: 1.5; color: var(--color-text); background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-base); transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard); }
textarea.form-control { font-family: var(--font-family-base); font-size: var(--font-size-base); }
select.form-control { padding: var(--space-8) var(--space-12); -webkit-appearance: none; -moz-appearance: none; appearance: none; background-image: var(--select-caret-light); background-repeat: no-repeat; background-position: right var(--space-12) center; background-size: 16px; padding-right: var(--space-32); }
@media (prefers-color-scheme: dark) { select.form-control { background-image: var(--select-caret-dark); } }
[data-color-scheme="dark"] select.form-control { background-image: var(--select-caret-dark); }
[data-color-scheme="light"] select.form-control { background-image: var(--select-caret-light); }
.form-control:focus { border-color: var(--color-primary); outline: var(--focus-outline); }
.form-label { display: block; margin-bottom: var(--space-8); font-weight: var(--font-weight-medium); font-size: var(--font-size-sm); }
.form-group { margin-bottom: var(--space-16); }

/* Card component */
.card { background-color: var(--color-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-card-border); box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow var(--duration-normal) var(--ease-standard); }
.card:hover { box-shadow: var(--shadow-md); }
.card__body { padding: var(--space-16); }
.card__header, .card__footer { padding: var(--space-16); border-bottom: 1px solid var(--color-card-border-inner); }

/* Status indicators */
.status { display: inline-flex; align-items: center; padding: var(--space-6) var(--space-12); border-radius: var(--radius-full); font-weight: var(--font-weight-medium); font-size: var(--font-size-sm); }
.status--success { background-color: rgba(var(--color-success-rgb, 33, 128, 141), var(--status-bg-opacity)); color: var(--color-success); border: 1px solid rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity)); }
.status--error { background-color: rgba(var(--color-error-rgb, 192, 21, 47), var(--status-bg-opacity)); color: var(--color-error); border: 1px solid rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity)); }
.status--warning { background-color: rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-bg-opacity)); color: var(--color-warning); border: 1px solid rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity)); }
.status--info { background-color: rgba(var(--color-info-rgb, 98, 108, 113), var(--status-bg-opacity)); color: var(--color-info); border: 1px solid rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity)); }

/* Container layout */
.container { width: 100%; margin-right: auto; margin-left: auto; padding-right: var(--space-16); padding-left: var(--space-16); }
@media (min-width: 640px) { .container { max-width: var(--container-sm); } }
@media (min-width: 768px) { .container { max-width: var(--container-md); } }
@media (min-width: 1024px) { .container { max-width: var(--container-lg); } }
@media (min-width: 1280px) { .container { max-width: var(--container-xl); } }

/* Utility classes */
.flex { display: flex; } .flex-col { flex-direction: column; } .items-center { align-items: center; } .justify-center { justify-content: center; } .justify-between { justify-content: space-between; } .gap-4 { gap: var(--space-4); } .gap-8 { gap: var(--space-8); } .gap-16 { gap: var(--space-16); }
.m-0 { margin: 0; } .mt-8 { margin-top: var(--space-8); } .mb-8 { margin-bottom: var(--space-8); } .mx-8 { margin-left: var(--space-8); margin-right: var(--space-8); } .my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.p-0 { padding: 0; } .py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); } .px-8 { padding-left: var(--space-8); padding-right: var(--space-8); } .py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); } .px-16 { padding-left: var(--space-16); padding-right: var(--space-16); }
.block { display: block; } .hidden { display: none; }

/* Accessibility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }
:focus-visible { outline: var(--focus-outline); outline-offset: 2px; }
[data-color-scheme="dark"] .btn--outline { border: 1px solid var(--color-border-secondary); }
@font-face { font-family: 'FKGroteskNeue'; src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2') format('woff2'); }

/* 量子蓝科技主题样式 */
:root {
  --quantum-dark: #0B1426; --quantum-blue: #00A8FF; --quantum-blue-light: #33B8FF; --quantum-blue-dark: #0088CC; --quantum-gray: #1A1F2E; --quantum-gray-light: #2A3142; --quantum-text: #E8EAED; --quantum-text-secondary: #9AA0A6; --quantum-border: #363B47; --quantum-success: #34A853; --quantum-warning: #FBBC04; --quantum-error: #EA4335;
  --color-background: var(--quantum-dark); --color-surface: var(--quantum-gray); --color-text: var(--quantum-text); --color-text-secondary: var(--quantum-text-secondary); --color-primary: var(--quantum-blue); --color-primary-hover: var(--quantum-blue-light); --color-primary-active: var(--quantum-blue-dark); --color-border: var(--quantum-border); --color-card-border: var(--quantum-border); --color-success: var(--quantum-success); --color-warning: var(--quantum-warning); --color-error: var(--quantum-error);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-family-base); background-color: var(--color-background); color: var(--color-text); line-height: 1.6; overflow-x: hidden; }

/* 导航栏样式 */
.navbar { position: fixed; top: 0; left: 0; right: 0; background: rgba(11, 20, 38, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--quantum-border); z-index: 1000; transition: all 0.3s ease; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-text { font-size: 1.5rem; font-weight: 600; color: var(--quantum-blue); }
.logo-subtitle { font-size: 0.9rem; color: var(--quantum-text-secondary); background: linear-gradient(45deg, var(--quantum-blue), var(--quantum-blue-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-menu { display: flex; gap: 2rem; }
.nav-link { color: var(--quantum-text-secondary); text-decoration: none; font-weight: 500; padding: 0.5rem 1rem; border-radius: 8px; transition: all 0.3s ease; position: relative; }
.nav-link:hover, .nav-link.active { color: var(--quantum-blue); background: rgba(0, 168, 255, 0.1); }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.lang-toggle, .theme-toggle { background: var(--quantum-gray); border: 1px solid var(--quantum-border); color: var(--quantum-text); padding: 0.5rem; border-radius: 6px; cursor: pointer; transition: all 0.3s ease; min-width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
.lang-toggle:hover, .theme-toggle:hover { background: var(--quantum-blue); color: white; }
.login-btn { background: var(--quantum-blue); color: white; border: none; padding: 0.5rem 1rem; border-radius: 6px; cursor: pointer; font-weight: 500; transition: all 0.3s ease; }
.login-btn:hover { background: var(--quantum-blue-light); transform: translateY(-1px); }

/* 主内容区域 */
.main-content { margin-top: 70px; min-height: calc(100vh - 70px); }
.page { display: none; opacity: 0; animation: fadeIn 0.5s ease forwards; }
.page.active { display: block; opacity: 1; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* 首页样式 */
.hero { text-align: center; padding: 4rem 2rem; background: linear-gradient(135deg, var(--quantum-dark) 0%, var(--quantum-gray) 100%); }
.hero-content { max-width: 800px; margin: 0 auto; }
.avatar { margin-bottom: 2rem; }
.avatar-circle { width: 120px; height: 120px; border-radius: 50%; background: linear-gradient(45deg, var(--quantum-blue), var(--quantum-blue-light)); display: flex; align-items: center; justify-content: center; margin: 0 auto; box-shadow: 0 10px 30px rgba(0, 168, 255, 0.3); }
.avatar-text { font-size: 2rem; font-weight: bold; color: white; }
.hero-title { font-size: 3rem; margin-bottom: 1rem; background: linear-gradient(45deg, var(--quantum-text), var(--quantum-blue-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.title-subtitle { display: block; font-size: 1.2rem; color: var(--quantum-text-secondary); margin-top: 0.5rem; }
.hero-description { font-size: 1.1rem; color: var(--quantum-text-secondary); margin-bottom: 2rem; line-height: 1.8; }
.contact-info { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.contact-info span { color: var(--quantum-text-secondary); font-size: 0.9rem; }

/* 技能与文章 */
.skills-section, .latest-posts { padding: 3rem 2rem; max-width: 1200px; margin: 0 auto; }
.skills-section h2, .latest-posts h2 { text-align: center; margin-bottom: 2rem; color: var(--quantum-blue); font-size: 2rem; }
.skills-cloud { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.skill-tag { background: var(--quantum-gray); color: var(--quantum-text); padding: 0.5rem 1rem; border-radius: 20px; border: 1px solid var(--quantum-border); font-size: 0.9rem; transition: all 0.3s ease; cursor: pointer; position: relative; }
.skill-tag:hover { background: var(--quantum-blue); color: white; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3); }
.posts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.post-card { background: var(--quantum-gray); border: 1px solid var(--quantum-border); border-radius: 12px; padding: 1.5rem; transition: all 0.3s ease; cursor: pointer; }
.post-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 168, 255, 0.2); }
.post-title { color: var(--quantum-blue); font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; }
.post-meta { display: flex; gap: 1rem; margin-bottom: 1rem; font-size: 0.8rem; color: var(--quantum-text-secondary); }
.post-summary { color: var(--quantum-text-secondary); line-height: 1.6; margin-bottom: 1rem; }
.post-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag { background: rgba(0, 168, 255, 0.2); color: var(--quantum-blue); padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.7rem; }

/* 页面通用头部 */
.page-header { padding: 2rem; background: var(--quantum-gray); border-bottom: 1px solid var(--quantum-border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.page-header h1 { color: var(--quantum-blue); font-size: 2rem; }
.page-actions { display: flex; gap: 1rem; align-items: center; }
.search-input { background: var(--quantum-dark); border: 1px solid var(--quantum-border); color: var(--quantum-text); padding: 0.5rem 1rem; border-radius: 6px; width: 250px; }
.search-input:focus { outline: none; border-color: var(--quantum-blue); }

/* 文档页面 */
.docs-container { display: flex; min-height: calc(100vh - 200px); }
.docs-sidebar { width: 250px; background: var(--quantum-gray); border-right: 1px solid var(--quantum-border); padding: 2rem; }
.docs-sidebar h3 { color: var(--quantum-blue); margin-bottom: 1rem; }
.category-list { list-style: none; }
.category-list li { margin-bottom: 0.5rem; }
.category-list a { color: var(--quantum-text-secondary); text-decoration: none; padding: 0.5rem; display: block; border-radius: 4px; transition: all 0.3s ease; }
.category-list a:hover, .category-list a.active { background: rgba(0, 168, 255, 0.1); color: var(--quantum-blue); }
.docs-content { flex: 1; padding: 2rem; }
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); gap: 2rem; }
.doc-card { background: var(--quantum-gray); border: 1px solid var(--quantum-border); border-radius: 12px; padding-top: 1.5rem; transition: all 0.3s ease; cursor: default; display: flex; flex-direction: column; justify-content: space-between; }
.doc-card .card-content { padding: 0 1.5rem; }
.doc-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0, 168, 255, 0.2); }

/* Bug页面 */
.bug-filters { padding: 1rem 2rem; display: flex; gap: 1rem; background: var(--quantum-gray); border-bottom: 1px solid var(--quantum-border); }
.filter-btn { background: transparent; border: 1px solid var(--quantum-border); color: var(--quantum-text-secondary); padding: 0.5rem 1rem; border-radius: 6px; cursor: pointer; transition: all 0.3s ease; }
.filter-btn.active, .filter-btn:hover { background: var(--quantum-blue); color: white; border-color: var(--quantum-blue); }
.bugs-grid { padding: 2rem; display: grid; gap: 1.5rem; }
.bug-card { background: var(--quantum-gray); border: 1px solid var(--quantum-border); border-radius: 12px; padding-top: 1.5rem; transition: all 0.3s ease; display: flex; flex-direction: column; justify-content: space-between; }
.bug-card .card-content { padding: 0 1.5rem; }
.bug-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 168, 255, 0.15); }
.bug-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.bug-title { color: var(--quantum-text); font-size: 1.1rem; font-weight: 600; }
.bug-status { padding: 0.25rem 0.75rem; border-radius: 12px; font-size: 0.8rem; font-weight: 500; flex-shrink: 0; }
.bug-status.open { background: rgba(234, 67, 53, 0.2); color: var(--quantum-error); }
.bug-status.in-progress { background: rgba(251, 188, 4, 0.2); color: var(--quantum-warning); }
.bug-status.closed { background: rgba(52, 168, 83, 0.2); color: var(--quantum-success); }

/* 简历页面 */
.resume-container { max-width: 1000px; margin: 0 auto; padding: 2rem; }
.resume-section { margin-bottom: 3rem; background: var(--quantum-gray); border: 1px solid var(--quantum-border); border-radius: 12px; padding: 2rem; }
.resume-section h2 { color: var(--quantum-blue); margin-bottom: 1.5rem; font-size: 1.5rem; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.info-item { display: flex; gap: 0.5rem; }
.info-item strong { color: var(--quantum-text); min-width: 80px; }
.project-card { background: var(--quantum-dark); border: 1px solid var(--quantum-border); border-radius: 8px; padding: 1.5rem; transition: all 0.3s ease; }
.project-card h3 { color: var(--quantum-blue); margin-bottom: 0.5rem; }
.project-tech { color: var(--quantum-warning); font-size: 0.9rem; margin-bottom: 1rem; font-weight: 500; }
.projects-list { display: grid; gap: 2rem; }

/* 模态框 */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.8); animation: fadeIn 0.3s ease; }
.modal-content { background-color: var(--quantum-gray); margin: 5% auto; padding: 2rem; border: 1px solid var(--quantum-border); border-radius: 12px; width: 90%; max-width: 600px; max-height: 80vh; overflow-y: auto; position: relative; }
.doc-detail-content { max-width: 900px; }
.close { color: var(--quantum-text-secondary); float: right; font-size: 28px; font-weight: bold; position: absolute; top: 1rem; right: 1.5rem; cursor: pointer; }
.close:hover { color: var(--quantum-blue); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--quantum-text); font-weight: 500; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.75rem; background: var(--quantum-dark); border: 1px solid var(--quantum-border); border-radius: 6px; color: var(--quantum-text); font-family: inherit; }
.form-group textarea { min-height: 100px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--quantum-blue); }

/* 底部 */
.footer { background: var(--quantum-gray); border-top: 1px solid var(--quantum-border); padding: 2rem; text-align: center; }
.footer-content { max-width: 1200px; margin: 0 auto; }
.social-links { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1rem; flex-wrap: wrap; }
.social-link { color: var(--quantum-text-secondary); text-decoration: none; padding: 0.5rem 1rem; border: 1px solid var(--quantum-border); border-radius: 6px; transition: all 0.3s ease; }
.social-link:hover { color: var(--quantum-blue); border-color: var(--quantum-blue); }
pre code { background: var(--quantum-dark) !important; color: var(--quantum-text) !important; }

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-container { flex-direction: column; height: auto; padding: 1rem; }
  .nav-menu { margin: 1rem 0; }
  .hero-title { font-size: 2rem; }
  .docs-container { flex-direction: column; }
  .docs-sidebar { width: 100%; }
  .contact-info { flex-direction: column; gap: 1rem; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .posts-grid, .docs-grid { grid-template-columns: 1fr; }
}

/* 其他 */
.delete-btn { background: var(--quantum-error); color: white; border: none; padding: 0.25rem 0.5rem; border-radius: 4px; cursor: pointer; font-size: 0.8rem; transition: all 0.3s ease; }
.delete-btn:hover { background: #d73027; }

/* --- 新增样式：从这里开始 --- */

/* REQ 4: 简历卡片悬停效果 */
.resume-section {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.resume-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px 5px rgba(0, 168, 255, 0.25); /* 蓝色辉光效果 */
}

/* REQ 1: 酷炫下载按钮 */
.download-btn-wrapper {
  margin-top: 2rem;
  text-align: center;
}
.resume-download-btn {
  position: relative;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: bold;
  background: var(--quantum-blue);
  border: none;
  border-radius: 50px;
  color: white;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.resume-download-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.8s ease;
}
.resume-download-btn:hover::before {
  left: 100%;
}
.resume-download-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 168, 255, 0.4);
}
.resume-download-btn .download-icon {
  font-size: 1.3rem;
  animation: bounce 2s infinite ease-in-out;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

/* REQ 2: 技术栈标签 */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tech-tag {
  background: rgba(0, 168, 255, 0.15);
  color: var(--quantum-blue);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0, 168, 255, 0.3);
  font-size: 0.9rem;
  max-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.3s ease;
  cursor: default;
  position: relative;
}
.tech-tag:hover {
  background: var(--quantum-blue);
  color: white;
  max-width: 500px;
  white-space: normal;
  z-index: 10;
  transform: scale(1.05);
}

/* REQ 3: 简历编辑模式样式 */
.resume-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.edit-hint {
    font-size: 0.8rem;
    color: var(--quantum-text-secondary);
    font-style: italic;
}
.form-group-inline {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.75rem;
}
.form-group-inline label {
    font-weight: bold;
    text-align: right;
    color: var(--quantum-text-secondary);
}
.form-group-inline input {
    width: 100%;
    padding: 0.5rem;
    background: var(--quantum-dark);
    border: 1px solid var(--quantum-border);
    border-radius: 4px;
    color: var(--quantum-text);
}
.form-group-inline input:focus {
    outline: none;
    border-color: var(--quantum-blue);
}
.project-card.edit-mode {
    padding: 1.5rem;
    border: 2px dashed var(--quantum-blue);
    background-color: var(--quantum-dark);
}
.project-card.edit-mode .form-group textarea {
    min-height: 80px;
    resize: vertical;
}
.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.project-actions {
    display: flex;
    gap: 0.5rem;
}
.btn-edit-project, .btn-delete-project {
    background: none;
    border: 1px solid var(--quantum-border);
    color: var(--quantum-text-secondary);
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.btn-edit-project:hover { color: var(--quantum-blue); border-color: var(--quantum-blue); }
.btn-delete-project:hover { background-color: var(--quantum-error); color: white; border-color: var(--quantum-error); }
.add-skill-form { display: flex; gap: 0.5rem; justify-content: center; margin-top: 1.5rem; }
#new-skill-input { background: var(--quantum-dark); border: 1px solid var(--quantum-border); color: var(--quantum-text); padding: 0.5rem 1rem; border-radius: 6px; }
#new-skill-input:focus { outline: none; border-color: var(--quantum-blue); }
.btn-delete-skill { background: none; border: none; color: var(--quantum-error); cursor: pointer; margin-left: 0.5rem; font-weight: bold; font-size: 1.2em; padding: 0 0.25rem; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.btn-delete-skill:hover { color: white; background-color: var(--quantum-error); border-radius: 50%; }
.social-link-item { display: flex; align-items: center; gap: 0.5rem; transition: all 0.3s ease; }
.btn-edit-footer, .btn-save-footer, .btn-delete-footer { background: none; border: 1px solid var(--quantum-border); color: var(--quantum-text-secondary); cursor: pointer; width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; transition: all 0.2s ease; flex-shrink: 0; }
.btn-edit-footer:hover { color: var(--quantum-blue); border-color: var(--quantum-blue); }
.btn-save-footer { color: var(--quantum-success); }
.btn-save-footer:hover { background-color: var(--quantum-success); color: white; }
.btn-delete-footer { color: var(--quantum-error); }
.btn-delete-footer:hover { background-color: var(--quantum-error); color: white; }
.edit-footer-form { display: flex; gap: 0.5rem; align-items: center; background-color: var(--quantum-dark); padding: 0.5rem; border-radius: 8px; }
.edit-footer-form input { background: var(--quantum-gray); border: 1px solid var(--quantum-border); color: var(--quantum-text); padding: 0.5rem; border-radius: 4px; }
#add-social-link-container { margin-top: 1rem; }
.social-link-item.edit-mode .social-link { display: none; }
.card-actions { padding: 1rem 1.5rem 1.5rem; display: flex; gap: 0.5rem; justify-content: flex-end; flex-wrap: wrap; }

/* 打印简历样式 */
@media print {
    body * { visibility: hidden; }
    .resume-container, .resume-container * { visibility: visible; }
    .resume-container { position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 0; border: none; }
    .resume-section { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
    .navbar, .footer, .download-btn-wrapper, .edit-btn-container, .project-actions { display: none !important; }
    body, .resume-container, .resume-section { background: white !important; color: black !important; }
    h1, h2, h3, h4, h5, h6, strong, p, span, div { color: black !important; }
    .project-tech { color: #555 !important; }
    .tech-tag { border: 1px solid #ccc; background: #eee !important; color: black !important; }
}

.personal-info-edit-item {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr auto;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.personal-info-edit-item input {
    width: 100%;
    padding: 0.5rem;
    background: var(--quantum-dark);
    border: 1px solid var(--quantum-border);
    border-radius: 4px;
    color: var(--quantum-text);
}
.btn-delete-item {
    background: none;
    border: none;
    color: var(--quantum-error);
    cursor: pointer;
    font-size: 1.2rem;
}
#add-info-item-btn {
    margin-top: 1rem;
}

/* REQ 2: Navigation Bar Enhancement */
.navbar {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--quantum-blue);
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--quantum-blue);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: white; /* Make text brighter on hover/active */
}