/* ========================================================================== D:\WorkProgram\whyselftest\css\style.css 全部样式：CSS 变量主题、响应式布局、动画（尊重 prefers-reduced-motion） 无第三方依赖，无 @import，无外部字体/图标。 目录： 1. 设计变量（浅色 / 深色） 2. 基础重置与排版 3. 通用布局 4. 顶部导航 5. Hero 6. 关于我 7. 技能 8. 作品 9. 联系 10. 页脚 11. 入场动画 12. 减少动效偏好 ========================================================================== */ /* ---------- 1. 设计变量 ---------- */ :root { /* 颜色（浅色主题，默认） */ --bg: #f5f7fa; --surface: #ffffff; --surface-2: #eceff4; --text: #111827; --text-muted: #4b5563; --border: #dde3ec; --accent: #1d4ed8; --accent-hover: #1a43bd; --accent-2: #3b82f6; --accent-contrast: #ffffff; --accent-soft: rgba(29, 78, 216, 0.10); --header-bg: rgba(255, 255, 255, 0.86); --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.06); --shadow-md: 0 12px 24px -6px rgba(17, 24, 39, 0.16); /* 尺寸与字体 */ --font-sans: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif; --font-mono: ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace; --max-width: 1080px; --header-height: 60px; --radius: 14px; --radius-sm: 10px; --gutter: 20px; color-scheme: light; } /* 深色主题：由 触发（手动切换或跟随系统后写入） */ [data-theme="dark"] { --bg: #0e1116; --surface: #171c24; --surface-2: #12161d; --text: #e9edf3; --text-muted: #a6b0bf; --border: #28303c; --accent: #8ab4ff; --accent-hover: #a9c8ff; --accent-2: #5b8def; --accent-contrast: #0b0f14; --accent-soft: rgba(138, 180, 255, 0.14); --header-bg: rgba(14, 17, 22, 0.84); --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.40); --shadow-md: 0 14px 28px -8px rgba(0, 0, 0, 0.55); color-scheme: dark; } /* 未手动选择过主题时跟随系统（禁用 JS 也能生效）。 注意：这里的变量值需与上面的 [data-theme="dark"] 保持一致。 */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg: #0e1116; --surface: #171c24; --surface-2: #12161d; --text: #e9edf3; --text-muted: #a6b0bf; --border: #28303c; --accent: #8ab4ff; --accent-hover: #a9c8ff; --accent-2: #5b8def; --accent-contrast: #0b0f14; --accent-soft: rgba(138, 180, 255, 0.14); --header-bg: rgba(14, 17, 22, 0.84); --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.40); --shadow-md: 0 14px 28px -8px rgba(0, 0, 0, 0.55); color-scheme: dark; } } /* ---------- 2. 基础重置与排版 ---------- */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; /* 锚点跳转时为固定导航栏留出空间 */ scroll-padding-top: calc(var(--header-height) + 16px); -webkit-text-size-adjust: 100%; } body { margin: 0; background-color: var(--bg); color: var(--text); font-family: var(--font-sans); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } h1, h2, h3 { line-height: 1.3; margin: 0; letter-spacing: 0.01em; } p { margin: 0 0 1em; } p:last-child { margin-bottom: 0; } ul { margin: 0; padding: 0; list-style: none; } a { color: var(--accent); text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; } a:hover { color: var(--accent-hover); } img, svg { max-width: 100%; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; } /* 键盘用户可跳过导航直达正文 */ .skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background-color: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 0 0 var(--radius-sm) var(--radius-sm); transition: top 0.2s ease; } .skip-link:focus { top: 0; color: var(--text); } /* ---------- 3. 通用布局 ---------- */ .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter); } .section { padding: 56px 0; } .section-alt { background-color: var(--surface-2); } .section-head { margin-bottom: 32px; } .section-title { font-size: clamp(1.4rem, 3.4vw, 1.75rem); } .section-title::after { content: ""; display: block; width: 40px; height: 3px; margin-top: 10px; border-radius: 2px; background-image: linear-gradient(90deg, var(--accent), var(--accent-2)); } .section-sub { margin: 12px 0 0; color: var(--text-muted); font-size: 0.95rem; } /* ---------- 4. 顶部导航 ---------- */ .site-header { position: sticky; top: 0; z-index: 50; background-color: var(--header-bg); border-bottom: 1px solid var(--border); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); } .header-inner { display: flex; align-items: center; gap: 12px; height: var(--header-height); } .brand { font-size: 1.05rem; font-weight: 700; color: var(--text); letter-spacing: 0.02em; white-space: nowrap; } .brand:hover { color: var(--accent); } .site-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 8px 12px 14px; background-color: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); } .site-nav.is-open { display: block; } .site-nav ul { display: flex; flex-direction: column; gap: 2px; } .nav-link { display: block; padding: 12px; border-radius: var(--radius-sm); color: var(--text-muted); font-size: 1rem; transition: color 0.2s ease, background-color 0.2s ease; } .nav-link:hover { color: var(--text); background-color: var(--surface-2); } .nav-link.is-active { color: var(--accent); background-color: var(--accent-soft); font-weight: 600; } .header-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; } .icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; padding: 0; background-color: transparent; border: 1px solid transparent; border-radius: var(--radius-sm); color: var(--text); cursor: pointer; transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease; } .icon-btn:hover { background-color: var(--surface-2); border-color: var(--border); } .icon-btn .icon { width: 22px; height: 22px; } /* 主题按钮：按当前主题显示太阳/月亮；深色下换成月亮图标 */ .theme-toggle .icon-moon { display: none; } [data-theme="dark"] .theme-toggle .icon-sun { display: none; } [data-theme="dark"] .theme-toggle .icon-moon { display: block; } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]):not([data-theme="dark"]) .theme-toggle .icon-sun { display: none; } :root:not([data-theme="light"]):not([data-theme="dark"]) .theme-toggle .icon-moon { display: block; } } /* ---------- 5. Hero ---------- */ .hero { padding-top: 44px; background-image: radial-gradient(60% 70% at 12% 0%, var(--accent-soft), transparent 70%); } .hero-inner { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; } .avatar-wrap { flex: 0 0 auto; } .avatar { display: block; width: 128px; height: 128px; border-radius: 50%; border: 4px solid var(--surface); box-shadow: var(--shadow-md); object-fit: cover; background-color: var(--surface-2); } .hero-eyebrow { margin: 0; color: var(--text-muted); font-size: 0.95rem; letter-spacing: 0.04em; } .hero-text h1 { margin: 4px 0 10px; font-size: clamp(2rem, 6vw, 2.75rem); } .hero-tagline { margin: 0 0 16px; color: var(--accent); font-size: clamp(1rem, 3.2vw, 1.15rem); font-weight: 600; } .hero-desc { max-width: 46em; color: var(--text-muted); } .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; } .btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border: 1px solid transparent; border-radius: 999px; font-size: 0.95rem; font-weight: 600; text-decoration: none; cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease; } .btn-icon { width: 16px; height: 16px; } .btn-primary { background-color: var(--accent); border-color: var(--accent); color: var(--accent-contrast); box-shadow: var(--shadow-sm); } .btn-primary:hover { background-color: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-contrast); transform: translateY(-2px); box-shadow: var(--shadow-md); } .btn-ghost { background-color: transparent; border-color: var(--border); color: var(--text); } .btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); } /* ---------- 6. 关于我 ---------- */ .about-grid { display: grid; grid-template-columns: 1fr; gap: 28px; } .about-text p { color: var(--text-muted); } .info-list { display: grid; gap: 12px; align-content: start; } .info-item { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; padding: 14px 16px; background-color: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); } .info-label { color: var(--text-muted); font-size: 0.85rem; letter-spacing: 0.04em; } .info-value { font-weight: 600; word-break: break-word; } /* ---------- 7. 技能 ---------- */ .skills-grid { display: grid; grid-template-columns: 1fr; gap: 22px; } .skill-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; } .skill-name { font-weight: 600; } .skill-value { color: var(--text-muted); font-size: 0.85rem; } .skill-bar { height: 8px; border-radius: 999px; background-color: var(--surface); border: 1px solid var(--border); overflow: hidden; } .skill-fill { display: block; width: var(--level, 0%); height: 100%; border-radius: inherit; background-image: linear-gradient(90deg, var(--accent-2), var(--accent)); transform-origin: left center; } /* 有 JS 时进度条从 0 展开；无 JS 时直接显示最终宽度 */ .js .skill-fill { transform: scaleX(0); transition: transform 0.6s ease; } .js .skill.is-visible .skill-fill { transform: scaleX(1); } /* ---------- 8. 作品 ---------- */ .works-grid { display: grid; grid-template-columns: 1fr; gap: 18px; } .card { display: flex; flex-direction: column; gap: 12px; padding: 22px; background-color: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease; } .card:hover, .card:focus-within { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-md); } .card-title { font-size: 1.08rem; } .card-desc { margin: 0; color: var(--text-muted); font-size: 0.93rem; } .tags { display: flex; flex-wrap: wrap; gap: 8px; } .tag { padding: 4px 10px; background-color: var(--accent-soft); color: var(--accent); border-radius: 999px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em; } .card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 6px; font-size: 0.9rem; font-weight: 600; } .card-link-icon { width: 14px; height: 14px; } /* ---------- 9. 联系 ---------- */ .contact-list { display: grid; grid-template-columns: 1fr; gap: 14px; } .contact-item { display: flex; align-items: flex-start; gap: 14px; padding: 18px; background-color: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.2s ease, box-shadow 0.2s ease; } .contact-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); } .contact-icon { display: flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 38px; height: 38px; background-color: var(--accent-soft); color: var(--accent); border-radius: var(--radius-sm); } .contact-icon svg { width: 19px; height: 19px; } .contact-body { min-width: 0; } .contact-label { display: block; color: var(--text-muted); font-size: 0.82rem; letter-spacing: 0.05em; } .contact-value { display: inline-block; font-weight: 600; word-break: break-all; } .contact-value-plain { color: var(--text); } /* ---------- 10. 页脚 ---------- */ .site-footer { padding: 28px 0 36px; border-top: 1px solid var(--border); background-color: var(--bg); } .footer-inner { display: flex; flex-direction: column; gap: 4px; color: var(--text-muted); font-size: 0.88rem; } .footer-main { margin: 0; color: var(--text); font-weight: 600; } .footer-note { margin: 0; } /* ---------- 11. 入场动画（仅在有 JS 时启用） ---------- */ .js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; } .js .reveal.is-visible { opacity: 1; transform: none; } /* ---------- 12. 平板（≥768px） ---------- */ @media (min-width: 768px) { .section { padding: 72px 0; } .hero { padding-top: 56px; } .hero-inner { flex-direction: row; align-items: center; gap: 40px; } .avatar { width: 148px; height: 148px; } .site-nav { position: static; display: block; margin-left: auto; padding: 0; background-color: transparent; border-bottom: 0; box-shadow: none; } .site-nav ul { flex-direction: row; gap: 4px; } .nav-link { padding: 8px 12px; font-size: 0.95rem; } .nav-toggle { display: none; } .header-actions { margin-left: 0; } .about-grid { grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 36px; } .skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 36px; } .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } .contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; } .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; } } /* ---------- 13. 桌面（≥1024px） ---------- */ @media (min-width: 1024px) { .hero { padding-top: 72px; padding-bottom: 80px; } .avatar { width: 168px; height: 168px; } .works-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; } } /* ---------- 14. 减少动效偏好 ---------- */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } .js .reveal { opacity: 1; transform: none; } .js .skill-fill { transform: none; } .card:hover, .card:focus-within, .btn:hover { transform: none; } }