/* Pudagis — Van Gogh's The Starry Night (深邃夜空沉浸艺术风格) */
:root {
  /* 去除刺眼亮黄，采用高级夜空月光白、星夜群青与矿物靛蓝 */
  --bg-deep: #070d1e;
  --moon-white: #f1f5f9;      /* 清冽月白色 */
  --moon-glow: rgba(241, 245, 249, 0.25);
  
  --ink: #ffffff;            /* 纯白主字，夜空极度清晰 */
  --muted: #cbd5e1;          /* 银河浅灰蓝次级文字 */
  --faint: #94a3b8;          /* 柔和弱化信息 */
  --line: rgba(255, 255, 255, 0.12); /* 极细月光分割线 */
  
  /* 毛玻璃夜空卡片背景 */
  --card: rgba(13, 23, 48, 0.62);
  --card-hover: rgba(20, 35, 71, 0.82);
  --card-border: rgba(255, 255, 255, 0.16);
  
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --display: "Outfit", var(--sans);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background: #070d1e; }

/* 页面背景完全透明，直接透出底层的 WebGL 全图流动《星空》油画 */
body {
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

footer {
  flex-shrink: 0;
}

::selection { background: rgba(255, 255, 255, 0.3); color: #ffffff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: 680px; margin: 0 auto; padding: 0 28px; }
@media (min-width: 640px) { .wrap { padding: 0 32px; } }
@media (min-width: 960px) { .wrap { max-width: 1080px; padding: 0 40px; } }
@media (min-width: 1200px) { .wrap { max-width: 1160px; padding: 0 48px; } }

/* ---- 导航（通透清澈的深夜毛玻璃） ---- */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 13, 30, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
@media (min-width: 640px) { .nav { height: 60px; } }
.logo { 
  font-family: var(--display); font-weight: 800; font-size: 19px; 
  letter-spacing: 0.03em; color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}
.logo em { font-style: normal; color: rgba(255, 255, 255, 0.45); }
.nav-links { display: flex; gap: 20px; }
@media (min-width: 640px) { .nav-links { gap: 28px; } }
.nav-links a {
  font-size: 14px; color: var(--muted);
  padding: 6px 0;
  position: relative; transition: color 0.25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 2px;
  width: 0; height: 1.5px; 
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
  transition: width 0.25s ease;
}
.nav-links a:hover, .nav-links a:active { 
  color: #ffffff;
}
.nav-links a:hover::after { width: 100%; }

/* ---- Hero 视觉区 ---- */
.hero { padding: 72px 0 56px; text-align: center; }
.hero p.lead { max-width: 19em; margin-left: auto; margin-right: auto; }
.hero .btn-row { justify-content: center; }
@media (min-width: 640px) { .hero { padding: 110px 0 90px; } }
.kicker {
  font-size: 12px; color: rgba(255, 255, 255, 0.7); letter-spacing: 0.22em;
  text-transform: uppercase; margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}
.hero h1 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(34px, 9vw, 62px);
  line-height: 1.2; letter-spacing: -0.015em;
  margin-bottom: 24px;
  color: #ffffff;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.95), 0 1px 3px rgba(0, 0, 0, 0.9);
}
.hero h1 .dim { 
  color: #38bdf8;
  text-shadow: none;
}
.hero p.lead { 
  color: #e2e8f0; font-size: 16px; max-width: 440px; margin-bottom: 40px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}
@media (min-width: 640px) { .hero p.lead { font-size: 17px; max-width: 580px; } }
@media (min-width: 960px) { .hero p.lead { font-size: 18px; max-width: 680px; line-height: 1.85; } }

/* ---- 按钮方案重构：去除亮黄，采用高级冰夜白与深海毛玻璃 ---- */
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px;
  padding: 10px 28px; border-radius: 999px; font-size: 14px;
  letter-spacing: 0.02em; white-space: nowrap;
  transition: all 0.25s ease;
}

/* 主按钮（网站与我）：纯净极光月白底 + 黑字，视觉高雅沉稳 */
.btn.solid { 
  background: #ffffff;
  border: 1px solid #ffffff; 
  color: #070d1e; 
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 16px rgba(255, 255, 255, 0.2);
}
.btn.solid:hover { 
  background: #e2e8f0; 
  border-color: #e2e8f0; 
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.5), 0 0 24px rgba(255, 255, 255, 0.4);
}

/* 次按钮（看看这个人的生活）：深夜半透毛玻璃 + 银白边框 */
.btn.ghost { 
  background: rgba(15, 23, 42, 0.65); 
  border: 1px solid rgba(255, 255, 255, 0.35); 
  color: #ffffff;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.btn.ghost:hover { 
  background: rgba(255, 255, 255, 0.15); 
  border-color: #ffffff; 
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 16px rgba(255, 255, 255, 0.25);
}

/* ---- 分区 ---- */
section { 
  padding: 56px 0; 
  border-top: 1px solid var(--line); 
  scroll-margin-top: 64px; 
}
@media (min-width: 640px) { section { padding: 72px 0; } }
.sec-head { margin-bottom: 32px; }
.sec-head h2 { 
  font-family: var(--display); font-weight: 800; font-size: 24px; letter-spacing: -0.01em; 
  color: #ffffff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}
@media (min-width: 640px) { .sec-head h2 { font-size: 28px; } }
.sec-head .sub { font-size: 14px; color: var(--muted); margin-top: 6px; }

/* ---- 卡片：星空深邃毛玻璃 ---- */
.cards { display: grid; gap: 14px; }
@media (min-width: 640px) { .cards { gap: 16px; grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .cards { gap: 20px; grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--card); 
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 16px; padding: 22px 24px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  will-change: transform; min-height: 150px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.card:hover {
  background: var(--card-hover);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 255, 255, 0.15);
}
.card:active { transform: translateY(-1px); }
@media (min-width: 640px) {
  .card { padding: 26px 28px; }
}
.card .c-body h3 { 
  font-size: 18px; font-weight: 700; margin-bottom: 6px; color: #ffffff;
}
.card .c-body p { font-size: 14px; color: var(--muted); line-height: 1.65; }
.card .tag {
  align-self: flex-start;
  font-size: 12px; color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2); 
  border-radius: 999px; padding: 3px 14px;
  white-space: nowrap; font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}

/* ---- 页脚 ---- */
footer { 
  border-top: 1px solid var(--line); 
  padding: 36px 0 calc(44px + env(safe-area-inset-bottom));
  background: rgba(7, 13, 30, 0.75);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.foot {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--faint); flex-wrap: wrap; gap: 12px;
}
.foot a { transition: color 0.25s; }
.foot a:hover { 
  color: #ffffff;
}

/* ================= 子页面艺术化 ================= */

/* ---- 作品卡 ---- */
.work-card {
  background: var(--card); 
  border: 1px solid var(--card-border); 
  backdrop-filter: blur(14px);
  border-radius: 16px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  will-change: transform;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.work-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5), 0 0 20px rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.45);
}
.work-cover { aspect-ratio: 3 / 2; overflow: hidden; background: #0c152e; }
.work-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.work-card:hover .work-cover img { transform: scale(1.04); }
.work-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; }
.work-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.work-top h3 { font-family: var(--display); font-weight: 800; font-size: 19px; letter-spacing: -0.01em; color: #fff; }
.badge {
  font-size: 11px; letter-spacing: 0.08em; padding: 3px 12px; border-radius: 999px;
  white-space: nowrap; font-weight: 500;
}
.badge.live { background: rgba(34, 197, 94, 0.2); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.35); }
.badge.wip  { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.35); }
.badge.idea { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; border: 1px solid rgba(203, 213, 225, 0.25); }
.work-body p { font-size: 14px; color: var(--muted); }
.work-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.chip {
  font-size: 12px; color: var(--muted); background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px; padding: 2px 12px;
}
.work-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .work-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (min-width: 960px) { .work-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; } }

/* ---- 关于页 / 网站与我 ---- */
.about-sec { padding: 44px 0; border-top: 1px solid var(--line); }
.about-sec h2 { font-family: var(--display); font-weight: 800; font-size: 22px; margin-bottom: 18px; color: #fff; }
.about-sec p { color: #cbd5e1; max-width: 560px; margin-bottom: 14px; }
@media (min-width: 960px) { .about-sec p { max-width: 780px; font-size: 16px; line-height: 1.85; } }
.about-sec a { border-bottom: 1px solid #ffffff; color: #ffffff; transition: all .2s; }
.about-sec a:hover { opacity: 0.8; }
/* footer nav */
/*
 * Footer Styles（2026-10-11：翻页按钮移除，备案号绝对居中，右侧保留「我的」）
 */
.foot-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
}
.foot-beian {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-size: 13px;
}
.foot-logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.05em;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  line-height: 1;
}
.foot-logo:hover {
  opacity: 0.85;
}
@media (max-width: 760px) {
  footer {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(7, 13, 30, 0.94);
    padding-bottom: calc(26px + env(safe-area-inset-bottom));
  }
  .foot-bar {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  .foot-beian {
    position: static;
    transform: none;
  }
}

/* ---- 移动端可读性（2026-11-04） ---- */
@media (max-width: 560px) {
  /* 首页主视觉：.hero 的 padding 会覆盖 .wrap 的左右内边距，这里补回来，避免文字贴边 */
  .hero { padding: 64px 22px 48px; }
  .hero h1 { font-size: clamp(30px, 8.8vw, 38px); }
  .hero p.lead { font-size: 15.5px; line-height: 1.85; margin-bottom: 32px; }

  .cards { gap: 16px; }
  .card .c-body p { font-size: 14.5px; line-height: 1.72; }
}

/* 四个及以上选项卡：窄屏改为横向滑动，避免中文字符折成两行 */
@media (max-width: 560px) {
  .tabbar-4 { flex-wrap: nowrap !important; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .tabbar-4::-webkit-scrollbar { display: none; }
  .tabbar-4 { gap: 8px !important; }
  .tabbar-4 .seg { flex: 0 0 auto !important; white-space: nowrap !important; font-size: 13px !important; padding: 10px 9px !important; }
}

/* ---- 键盘焦点与低动效（2026-11-04） ---- */
:focus-visible { outline: 2px solid #38bdf8; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}