/* ══════════════════════════════════════════
   Aven溺心海 · 个人主页样式表（浅色 v3）
   ★ 改主题色：只改下面 :root 里的几个颜色值
   ══════════════════════════════════════════ */
:root {
  --bg: #f6f6f4;            /* 页面背景（暖白） */
  --bg2: #ffffff;           /* 区块背景（纯白） */
  --card: #ffffff;
  --border: rgba(23, 24, 28, 0.09);
  --text: #17181c;          /* 主文字（近黑） */
  --muted: #68707d;         /* 次要文字 */
  --accent: #0ea5e9;        /* 主强调色（天蓝） */
  --accent2: #8b5cf6;       /* 副强调色（紫罗兰） */
  --radius: 20px;
  --shadow: 0 10px 34px rgba(23, 24, 28, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }

/* 锚点跳转时避开顶部固定导航 */
section[id] { scroll-margin-top: 70px; }

/* ── 顶部滚动进度条 ── */
#progress {
  position: fixed; top: 0; left: 0; z-index: 200;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ── 顶部导航（毛玻璃白） ── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(246, 246, 244, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
#nav.scrolled { border-bottom-color: var(--border); background: rgba(255, 255, 255, 0.88); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 1.15rem; letter-spacing: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; font-weight: 500; transition: color 0.25s; }
.nav-links a:hover { color: var(--text); }

/* ── 首页 Hero ── */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden;
  background: var(--bg); }
/* 浅色极光背景：三团柔光缓慢漂移（只用 transform，60fps） */
.aurora { position: absolute; inset: 0; overflow: hidden; }
.aurora i { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.55;
  animation: drift 22s ease-in-out infinite alternate; }
.aurora .b1 { width: 480px; height: 480px; left: -120px; top: -120px;
  background: radial-gradient(circle, #bae6fd, transparent 70%); }
.aurora .b2 { width: 520px; height: 520px; right: -140px; top: 20%;
  background: radial-gradient(circle, #ddd6fe, transparent 70%); animation-delay: -8s; }
.aurora .b3 { width: 420px; height: 420px; left: 30%; bottom: -160px;
  background: radial-gradient(circle, #fecdd3, transparent 70%); animation-delay: -14s; }
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 40px) scale(1.12); }
}
.hero-inner { position: relative; z-index: 1; padding-top: 64px; will-change: transform, opacity; }
.hero-hello { color: var(--accent); letter-spacing: 4px; font-size: 0.95rem; font-weight: 600; margin-bottom: 12px; }
.hero-name {
  font-size: clamp(3rem, 10vw, 6rem); font-weight: 900; line-height: 1.15; letter-spacing: -1px;
  margin-bottom: 18px; color: var(--text);
}
.hero-name::after { content: "."; color: var(--accent); }
.hero-bio { color: var(--muted); font-size: clamp(1rem, 2.5vw, 1.25rem); margin-bottom: 26px; max-width: 560px; }

/* 小贴纸徽章 */
.stickers { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 34px; }
.sticker { font-size: 0.85rem; font-weight: 700; padding: 6px 16px; border-radius: 999px;
  border: 2px solid; background: #fff; box-shadow: var(--shadow); }
.sticker.s1 { color: #0ea5e9; border-color: #bae6fd; transform: rotate(-3deg); background: #f0f9ff; }
.sticker.s2 { color: #8b5cf6; border-color: #ddd6fe; transform: rotate(2deg); background: #f5f3ff; }
.sticker.s3 { color: #f59e0b; border-color: #fde68a; transform: rotate(-2deg); background: #fffbeb; }
.sticker.s4 { color: #10b981; border-color: #a7f3d0; transform: rotate(3deg); background: #ecfdf5; }

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn { display: inline-block; padding: 12px 30px; border-radius: 999px; font-size: 1rem;
  font-weight: 700; transition: transform 0.25s, box-shadow 0.25s, background 0.25s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent2)); color: #fff;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35); }
.btn-primary:hover { box-shadow: 0 12px 32px rgba(14, 165, 233, 0.45); }
.btn-ghost { border: 2px solid var(--border); color: var(--text); background: #fff; }
.btn-ghost:hover { border-color: var(--accent); }

.scroll-hint { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: var(--muted); font-size: 0.85rem; z-index: 1; animation: float 2.4s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ── 通用区块 / 卡片 ── */
.section { padding: 96px 0; position: relative; }
.section:nth-of-type(even) { background: var(--bg2); }

/* 章节微标签（HUD 风小字） */
.kicker { color: var(--accent); font-size: 0.78rem; font-weight: 800;
  letter-spacing: 5px; text-transform: uppercase; margin-bottom: 10px; }

.section-title { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; margin-bottom: 12px; letter-spacing: 1px; }
.section-title::after { content: ""; display: block; width: 56px; height: 4px; margin-top: 10px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.section-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 28px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; box-shadow: var(--shadow);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-4px); border-color: rgba(14, 165, 233, 0.45);
  box-shadow: 0 20px 48px rgba(14, 165, 233, 0.16); }

/* 滚动显现动画 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── 关于我 ── */
.about-card { display: flex; gap: 32px; align-items: center; }
.avatar { flex: none; width: 120px; height: 120px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; font-weight: 900; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 12px 30px rgba(14, 165, 233, 0.35); }
.avatar-img { flex: none; width: 120px; height: 120px; border-radius: 50%; object-fit: cover;
  border: 3px solid rgba(14, 165, 233, 0.5); }
.about-text h3 { font-size: 1.4rem; margin-bottom: 10px; }
.about-text p { color: var(--muted); margin-bottom: 18px; }
.tags { display: flex; gap: 10px; flex-wrap: wrap; }
.tags span { font-size: 0.82rem; font-weight: 600; color: var(--accent);
  border: 1.5px solid rgba(14, 165, 233, 0.4);
  padding: 4px 14px; border-radius: 999px; background: rgba(14, 165, 233, 0.08); }

/* ── 作品 ── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.project-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; cursor: pointer; }
/* 卡片依次登场（滚动叙事的节奏感） */
.project-card:nth-child(1) { transition-delay: 0s; }
.project-card:nth-child(2) { transition-delay: 0.12s; }
.project-card:nth-child(3) { transition-delay: 0.24s; }
.project-card:nth-child(4) { transition-delay: 0.36s; }
.project-cover { height: 150px; display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.cover-1 { background: linear-gradient(135deg, #e0f2fe, #ede9fe); }
.cover-2 { background: linear-gradient(135deg, #ede9fe, #e0f2fe); }
.cover-3 { background: linear-gradient(135deg, #fef3c7, #e0f2fe); }
.project-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.project-body h3 { font-size: 1.15rem; }
.project-body p { color: var(--muted); font-size: 0.94rem; flex: 1; }
.card-link { color: var(--accent); font-size: 0.92rem; font-weight: 700; }
.card-link:hover { text-decoration: underline; }
/* 替换用真实截图时：隐藏占位封面，显示图片 */
.preview-src { display: none; }

/* ── 悬停预览弹窗（跟随鼠标） ── */
#preview { position: fixed; top: 0; left: 0; z-index: 300; width: 300px;
  pointer-events: none; will-change: transform; }
#preview .preview-inner {
  background: #fff; border-radius: 14px; overflow: hidden;
  border: 2px solid var(--accent);
  box-shadow: 0 24px 60px rgba(23, 24, 28, 0.22);
  opacity: 0; transform: scale(0.92) rotate(-2deg);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
#preview.on .preview-inner { opacity: 1; transform: scale(1) rotate(-2deg); }
.preview-bar { display: flex; align-items: center; gap: 6px; padding: 10px 12px;
  background: #f1f5f9; border-bottom: 1px solid var(--border); }
.preview-bar i { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.preview-bar i:nth-child(1) { background: #f87171; }
.preview-bar i:nth-child(2) { background: #fbbf24; }
.preview-bar i:nth-child(3) { background: #34d399; }
.preview-bar em { font-style: normal; font-size: 0.72rem; color: var(--muted);
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 2px 12px; margin-left: 6px; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; max-width: 170px; }
.preview-shot { height: 170px; display: flex; align-items: center; justify-content: center;
  font-size: 3.2rem; }
.preview-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* 博客卡片的迷你文章预览 */
.preview-shot.preview-doc { display: block; text-align: left; padding: 20px 22px; }
.preview-doc h4 { font-size: 1.02rem; line-height: 1.5; margin-bottom: 8px; }
.preview-doc p { font-size: 0.8rem; color: var(--muted); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.preview-doc .doc-bar { height: 8px; border-radius: 4px; background: #e8edf5; margin-top: 12px; }
.preview-doc .doc-bar.short { width: 62%; margin-top: 8px; }

/* ── 联系 ── */
.contact-card { text-align: center; max-width: 640px; margin: 0 auto; }
.contact-card p { color: var(--muted); margin-bottom: 28px; }
.contact-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── 页脚 ── */
footer { padding: 36px 0; text-align: center; color: var(--muted); font-size: 0.88rem;
  border-top: 1px solid var(--border); background: var(--bg2); }

/* ── 频道链接 ── */
.channels { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.channel { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px;
  border-radius: 999px; background: #fff; border: 2px solid var(--border);
  font-weight: 700; font-size: 0.92rem; box-shadow: var(--shadow);
  transition: transform 0.25s, border-color 0.25s; }
.channel:hover { transform: translateY(-2px); border-color: var(--accent); }

/* ── 博客列表 ── */
.blog-list { display: flex; flex-direction: column; gap: 20px; }
.blog-card { display: block; padding: 28px 32px; }
.blog-card h3 { font-size: 1.25rem; margin: 10px 0 8px; line-height: 1.5; }
.blog-card > p { color: var(--muted); font-size: 0.95rem; margin-bottom: 14px; }
.blog-meta { display: flex; gap: 12px; align-items: center; font-size: 0.82rem; }
.blog-date { color: var(--muted); }
.blog-tag { color: var(--accent); font-weight: 700; background: rgba(14, 165, 233, 0.1);
  padding: 2px 12px; border-radius: 999px; }

/* ── 好物推荐 ── */
.pick-card { text-align: center; padding: 32px 24px; display: flex;
  flex-direction: column; gap: 12px; align-items: center; }
.pick-emoji { font-size: 2.6rem; }
.pick-card h3 { font-size: 1.1rem; }
.pick-card p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.btn-sm { padding: 10px 26px; font-size: 0.92rem; }
.disclosure { margin-top: 28px; text-align: center; color: var(--muted); font-size: 0.82rem; }

/* ── 文章页 ── */
.article-wrap { max-width: 760px; margin: 0 auto; padding: 120px 24px 90px; }
.back-link { display: inline-block; margin-bottom: 30px; color: var(--accent); font-weight: 700; }
.back-link:hover { text-decoration: underline; }
.article-head h1 { font-size: clamp(1.7rem, 5vw, 2.5rem); line-height: 1.45; margin-bottom: 14px; }
.article-meta { display: flex; gap: 12px; align-items: center; color: var(--muted);
  font-size: 0.88rem; margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.article-body { font-size: 1.02rem; }
.article-body p { margin-bottom: 1.4em; color: #2f333b; }
.article-body h2 { font-size: 1.32rem; margin: 2em 0 0.8em; }
.article-body ul, .article-body ol { margin: 0 0 1.4em 1.4em; color: #2f333b; }
.article-body li { margin-bottom: 0.5em; }
.article-body strong { color: var(--text); }
.article-body pre { background: #0f1420; color: #e8edf7; padding: 18px 20px;
  border-radius: 12px; overflow-x: auto; margin-bottom: 1.6em; font-size: 0.88rem; line-height: 1.7; }
.article-body p code { background: rgba(14, 165, 233, 0.12); padding: 2px 7px;
  border-radius: 6px; font-size: 0.9em; font-family: ui-monospace, SFMono-Regular, monospace; }
.article-end { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.9rem; text-align: center; }

/* ── 手机适配 ── */
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .card { padding: 24px; }
  .about-card { flex-direction: column; text-align: center; }
  .tags { justify-content: center; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 0.88rem; }
  .hero-btns .btn { padding: 11px 24px; font-size: 0.95rem; }
  .kicker { letter-spacing: 3px; }
  .aurora i { opacity: 0.35; }
  #preview { display: none; } /* 手机没有悬停，预览弹窗不启用 */
}

/* 尊重系统"减少动态效果"设置 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint { animation: none; }
  .aurora i { animation: none; }
  .btn:hover, .card:hover { transform: none; }
}