/* ============================================================
   平面设计师作品集 · 前台样式（数据驱动版）
   ------------------------------------------------------------
   配色 / 字体 / 响应式与原版一致，新增多格式模块的画布样式
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --bg: #fafafa;
  --text: #171717;
  --text-2: #737373;
  --ink: #0a0a0a;
  --border: #e5e5e5;
  --card: #ffffff;
  --skeleton: #f0f0f0;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 12px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
    'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

/* ==================== 顶部导航 ==================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { font-size: 1rem; font-weight: 700; letter-spacing: 0.02em; transition: opacity 200ms var(--ease); }
.brand:hover { opacity: 0.7; }
.site-nav { display: flex; gap: 24px; }
.nav-link {
  font-size: 0.875rem; font-weight: 500; color: var(--text-2);
  padding: 6px 2px; transition: color 200ms var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); font-weight: 700; }

/* ==================== 主内容 ==================== */
.site-main { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 32px 96px; }

@keyframes riseIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; animation: riseIn 0.6s var(--ease) forwards; }

/* ==================== 首页 Hero ==================== */
.hero { padding: 64px 0 48px; }
.hero-title { font-size: 3rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; max-width: 640px; }
.hero-sub { margin-top: 24px; font-size: 1.125rem; color: var(--text-2); max-width: 560px; }
@media (min-width: 768px) {
  .hero-title { font-size: 4.5rem; }
  .hero { padding: 80px 0 56px; }
}

/* ==================== 分类筛选 ==================== */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px 12px; margin: 8px 0 40px; }
.filter-btn {
  font-size: 0.875rem; font-weight: 500; color: var(--text);
  background: transparent; border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 16px; cursor: pointer; transition: all 200ms var(--ease);
}
.filter-btn:hover { border-color: var(--ink); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ==================== 作品网格 ==================== */
.work-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .work-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (min-width: 1024px) { .work-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; } }

.work-card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 400ms cubic-bezier(.22, 1, .36, 1),
              box-shadow 400ms var(--ease), border-color 400ms var(--ease);
  will-change: transform;
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(10, 10, 10, 0.18);
  box-shadow: 0 24px 48px -16px rgba(10, 10, 10, 0.20),
              0 8px 20px -8px rgba(10, 10, 10, 0.12);
}

.card-media {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--skeleton);
}
.card-media img, .card-media svg {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 700ms cubic-bezier(.22, 1, .36, 1);
}
.work-card:hover .card-media img, .work-card:hover .card-media svg { transform: scale(1.08); }

.card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.68), rgba(10, 10, 10, 0.14) 45%, transparent 72%);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 320ms var(--ease), transform 420ms cubic-bezier(.22, 1, .36, 1);
  display: flex; align-items: flex-end; padding: 20px;
}
.work-card:hover .card-overlay { opacity: 1; transform: translateY(0); }
.card-overlay span {
  color: #fff; font-size: 0.875rem; font-weight: 600; letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: 8px;
}
.card-overlay .arrow { transition: transform 320ms var(--ease); }
.work-card:hover .card-overlay .arrow { transform: translateX(4px); }

.card-body { padding: 20px 24px 24px; transition: transform 320ms var(--ease); }
.work-card:hover .card-body { transform: translateY(-2px); }
.card-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 6px; transition: color 300ms var(--ease); }
.work-card:hover .card-title { color: #000; }
.card-desc {
  font-size: 0.875rem; color: var(--text-2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 14px;
}
.card-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 500; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 12px;
}
.empty-state { text-align: center; color: var(--text-2); padding: 80px 0; font-size: 1rem; }

/* ==================== 作品详情 ==================== */
.detail-top { padding: 40px 0 32px; }
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.875rem; font-weight: 500; color: var(--text-2);
  margin-bottom: 28px; transition: color 200ms var(--ease);
}
.back-link:hover { color: var(--ink); }
.detail-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 500; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 14px; margin-bottom: 16px;
}
.detail-title { font-size: 1.875rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; max-width: 720px; }
.detail-desc { margin-top: 16px; font-size: 1.125rem; color: var(--text-2); max-width: 640px; }
@media (min-width: 768px) { .detail-title { font-size: 3rem; } }

.canvas-block { margin: 16px 0 40px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.canvas-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.canvas-name { font-size: 0.875rem; font-weight: 500; color: var(--text-2); }
.export-btn {
  flex-shrink: 0; font-size: 0.75rem; font-weight: 600; color: var(--text-2);
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 14px; cursor: pointer; transition: all 200ms var(--ease);
}
.export-btn:hover { color: var(--ink); border-color: var(--text-2); }
.export-btn:active { transform: scale(0.96); }

/* 画布容器：按页面宽高比自适应缩放，模块百分比定位 */
.canvas-wrap {
  width: 100%; overflow: hidden; border-radius: 8px; background: #fff;
  box-shadow: 0 0 0 1px rgba(10, 10, 10, 0.04);
}
/* container-type 让内部可用 cqw 单位：文字字号随画布等比例缩放 */
.canvas-frame { position: relative; width: 100%; container-type: inline-size; }

.detail-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 8px; padding-top: 24px; border-top: 1px solid var(--border);
}
.detail-nav a { font-size: 0.875rem; font-weight: 500; color: var(--text-2); transition: color 200ms var(--ease); }
.detail-nav a:hover { color: var(--ink); }
.detail-nav .next { text-align: right; }

.not-found { text-align: center; padding: 120px 0; }
.not-found h1 { font-size: 3rem; font-weight: 700; }
.not-found p { color: var(--text-2); margin: 12px 0 24px; }

/* 404 页面：设计师风格兜底视图 */
.nf404-num {
  font-size: clamp(96px, 18vw, 180px); font-weight: 800; line-height: 1;
  letter-spacing: -0.05em; color: var(--ink); margin-bottom: 12px;
  background: linear-gradient(180deg, var(--ink) 40%, rgba(10,10,10,.25));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nf404-sub { font-size: clamp(18px, 2.6vw, 26px); font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.nf404-tip { font-size: 0.95rem; color: var(--text-2); margin-bottom: 28px; }

/* ==================== 关于页 ==================== */
.about-wrap { max-width: 768px; margin: 0 auto; padding-top: 56px; }
.about-head { text-align: center; margin-bottom: 56px; }
.avatar {
  width: 96px; height: 96px; margin: 0 auto 24px; border-radius: 50%;
  background: var(--skeleton); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; font-weight: 700; color: var(--text); letter-spacing: 0.02em;
  overflow: hidden;
}
.avatar-img { padding: 0; }
.avatar-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  border-radius: 50%;
}
.about-name { font-size: 1.875rem; font-weight: 700; }
.about-role { margin-top: 8px; color: var(--text-2); font-size: 1.125rem; }
.about-section { margin-bottom: 48px; }
.about-section h2 {
  font-size: 1.25rem; font-weight: 600; margin-bottom: 16px;
  position: relative; padding-bottom: 12px;
}
.about-section h2::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--ink);
}
.about-section p { font-size: 1rem; color: var(--text); margin-bottom: 14px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px 12px; }
.service-tags span {
  font-size: 0.875rem; font-weight: 500; color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 16px; background: var(--card);
}
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.contact-list li { font-size: 1rem; }
.contact-list a {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); border: 1px solid var(--border); border-radius: 999px;
  padding: 10px 22px; font-weight: 500;
  background: var(--card); transition: border-color 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease);
}
.contact-list a:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.contact-list .cl-label {
  font-size: 0.8rem; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px;
  transition: inherit;
}
.contact-list a:hover .cl-label { border-color: rgba(255,255,255,.35); color: #fff; }
.client-tags { display: flex; flex-wrap: wrap; gap: 8px 12px; }
.client-tags span {
  font-size: 0.875rem; font-weight: 500; color: var(--text-2);
  border: 1px dashed var(--border); border-radius: 999px;
  padding: 6px 16px; background: transparent;
}

/* ==================== 页脚 ==================== */
.site-footer { border-top: 1px solid var(--border); padding: 28px 32px; text-align: center; font-size: 0.875rem; color: var(--text-2); }

/* ==================== 详情页高斯模糊转场 ==================== */
/* 进入作品详情页时：整体从模糊 → 清晰，带轻微上移与缩放 */
.detail-enter { animation: detailBlurIn .7s cubic-bezier(.22,.61,.36,1) both; }
@keyframes detailBlurIn {
  from { opacity: 0; filter: blur(18px); transform: translateY(12px) scale(.995); }
  to   { opacity: 1; filter: blur(0); transform: none; }
}
/* 减少动效的系统偏好：直接显示，不做模糊转场 */
@media (prefers-reduced-motion: reduce) {
  .detail-enter { animation: none; }
}

/* ==================== 移动端细调 ==================== */
@media (max-width: 640px) {
  .header-inner { padding: 0 20px; }
  .site-main { padding: 0 20px 64px; }
  .hero-title { font-size: 2.5rem; }
  .card-body { padding: 16px 18px 20px; }
  .detail-nav { flex-direction: column; }
  .detail-nav .next { text-align: left; }
  .site-footer { padding: 22px 20px; }
}

/* ==================== 作品保护：仅供浏览，禁止下载 ==================== */
/* 图片不可拖拽（Chrome/Edge/Safari）、不可长按保存（iOS）、不可选中复制 */
img, canvas {
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
}
/* 图片不接收鼠标事件：右键菜单与拖拽都落不到图片上（卡片/链接点击不受影响） */
img { pointer-events: none; }
/* 视频保留播放交互，但同样禁拖拽 */
video {
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
}
/* 全站禁止选中文字/元素，杜绝 Ctrl+C 复制作品内容 */
body {
  user-select: none;
  -webkit-user-select: none;
}

/* ==================== 灯箱：点击图片放大 · 左右切换 · 缩放 ==================== */
.lb-backdrop {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(8, 8, 8, .96);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.lb-backdrop.lb-open { opacity: 1; pointer-events: auto; }
.lb-img-main {
  max-width: 92vw; max-height: 86vh;
  object-fit: contain; border-radius: 4px;
  box-shadow: 0 24px 90px rgba(0, 0, 0, .65);
  cursor: zoom-in;
  user-select: none; -webkit-user-select: none;
  -webkit-user-drag: none; -webkit-touch-callout: none;
  transition: transform .15s ease;
  will-change: transform;
}
.lb-close {
  position: absolute; top: 18px; right: 22px;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, .1); color: #fff;
  font-size: 20px; line-height: 1; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
}
.lb-close:hover { background: rgba(255, 255, 255, .22); transform: rotate(90deg); }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 54px; height: 54px; border-radius: 50%;
  background: rgba(255, 255, 255, .1); color: #fff;
  font-size: 26px; line-height: 1; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.lb-nav:hover { background: rgba(255, 255, 255, .24); }
.lb-prev { left: 18px; }
.lb-next { right: 18px; }
.lb-meta {
  position: absolute; bottom: 22px; left: 0; right: 0; text-align: center;
  color: rgba(255, 255, 255, .65); font-size: 13px; letter-spacing: .05em;
}
.lb-meta b { color: #fff; font-weight: 700; }
@media (max-width: 640px) {
  .lb-nav { width: 44px; height: 44px; font-size: 20px; }
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .lb-close { top: 12px; right: 14px; width: 40px; height: 40px; }
  .lb-meta { bottom: 16px; font-size: 12px; }
}