/* ========== 风格由 CSS 变量统一控制，换色/换字体改 :root 即可 ========== */
:root {
  /* 背景 */
  --bg-page: #0f0f12;
  --bg-card: #1a1a1f;
  /* 文字 */
  --text-primary: #e8e8ec;
  --text-secondary: #9a9aa8;
  --text-muted: #6a6a78;
  /* 强调色 */
  --accent-1: #7c9cff;
  --accent-2: #a78bfa;
  /* 字体 */
  --font-body: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-heading: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  /* 圆角与间距 */
  --radius: 12px;
  --space: 1.5rem;
  --space-lg: 2.5rem;
  /* 布局 */
  --wrap-width: 960px;
  --card-aspect: 16 / 9;
  /* 卡片 */
  --card-bg: var(--bg-card);
  --card-border: 1px solid rgba(255, 255, 255, 0.06);
  --card-border-hover: 1px solid rgba(124, 156, 255, 0.35);
  /* 页面背景图：亮度与渐变（从下到上） */
  --bg-image: none;
  --bg-brightness: 1;
  --bg-gradient-opacity: 0.55;
  --bg-gradient-color: rgba(0, 0, 0, 0.55);
  --bg-gradient-offset: 55%;
  /* 卡片图片：亮度与渐变（自下而上） */
  --card-img-brightness: 1;
  --card-img-gradient-color: rgba(0, 0, 0, 0.3);
  --card-img-gradient-offset: 60%;
  --bg-gradient-color: rgba(0, 0, 0, 0.55);
  --bg-gradient-offset: 55%;
}

/* 亮色主题 */
[data-theme="light"] {
  --bg-page: #f5f5f7;
  --bg-card: #fff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --accent-1: #0066cc;
  --accent-2: #0077ed;
  --card-border: 1px solid rgba(0, 0, 0, 0.08);
  --card-border-hover: 1px solid rgba(0, 102, 204, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  position: relative;
  transition: background 0.3s, color 0.2s;
}

/* 背景图层：图片 + 亮度（仅背景，不影响文字） */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  filter: brightness(var(--bg-brightness));
}

/* 从下到上的渐变遮罩 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, var(--bg-gradient-color) 0%, transparent var(--bg-gradient-offset));
  pointer-events: none;
}

/* ========== 首屏加载 ========== */
.page-loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-page);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: opacity 0.3s, visibility 0.3s;
}
.page-loading[aria-hidden="true"] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.page-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--text-muted);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.page-loading-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ========== Toast ========== */
.toast-container {
  position: fixed;
  bottom: var(--space);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  padding: 0.6rem 1.2rem;
  background: var(--bg-card);
  border: var(--card-border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  animation: toast-in 0.25s ease;
}
.toast--success { border-left: 4px solid #22c55e; }
.toast--error { border-left: 4px solid #ef4444; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 离线提示 ========== */
.offline-banner {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9998;
  padding: 0.5rem 1rem;
  background: #f59e0b;
  color: #1f2937;
  font-size: 0.85rem;
  text-align: center;
}
.offline-banner[aria-hidden="false"] {
  display: block;
}

/* ========== 主题切换 ========== */
.theme-toggle {
  margin-top: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: transparent;
  border: var(--card-border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
}
.theme-toggle:hover {
  color: var(--accent-1);
}

/* ========== Hero ========== */
.hero {
  padding: var(--space-lg) var(--space);
  text-align: center;
  max-width: var(--wrap-width);
  margin: 0 auto;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 0.5em;
  color: var(--text-primary);
}

.hero-tagline {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ========== 通用区块 ========== */
.section-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space);
  color: var(--text-primary);
}

.works,
.services {
  padding: var(--space-lg) var(--space);
  max-width: var(--wrap-width);
  margin: 0 auto;
}

/* ========== 卡片网格 ========== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space);
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--card-border-hover);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* 卡片图占位（未加载完成时） */
.card-img-wrap img[loading="lazy"] {
  background: var(--bg-page);
}
.card-img-wrap:not(.img-loaded)::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-page) 0%, var(--bg-card) 50%, var(--bg-page) 100%);
  background-size: 200% 100%;
  animation: img-placeholder 1.2s ease-in-out infinite;
}
@keyframes img-placeholder {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.card-img-wrap.img-loaded::after {
  display: none;
}

.card-img-wrap {
  display: block;
  position: relative;
  aspect-ratio: var(--card-aspect);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
}

.card-img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    var(--card-img-gradient-color) 0%,
    transparent var(--card-img-gradient-offset)
  );
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--space);
}

.card-title {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.card-link {
  font-size: 0.85rem;
  color: var(--accent-1);
  margin-top: 0.25rem;
}

/* ========== 页脚 ========== */
.footer {
  padding: var(--space-lg) var(--space);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: var(--card-border);
  margin-top: var(--space-lg);
}

.footer p {
  margin: 0;
  max-width: var(--wrap-width);
  margin-left: auto;
  margin-right: auto;
}

/* ========== 编辑入口（左下角装饰图标）+ 密码弹窗 + 编辑工具栏 ========== */
/* 编辑入口：左下角装饰图标，三态 */
.edit-trigger {
  position: fixed;
  bottom: var(--space);
  left: var(--space);
  width: 36px;
  height: 36px;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  opacity: 0.5;
  transition: color 0.2s, opacity 0.2s, transform 0.15s;
  border-radius: 50%;
}
.edit-trigger:hover {
  color: var(--text-secondary);
  opacity: 0.85;
}
.edit-trigger--selected {
  color: var(--accent-1);
  opacity: 0.9;
}
.edit-trigger--selected:hover {
  color: var(--accent-2);
  opacity: 1;
}
.edit-trigger:active,
.edit-trigger--active {
  transform: scale(0.92);
  color: var(--accent-2);
  opacity: 1;
}
.edit-trigger-icon {
  width: 20px;
  height: 20px;
  pointer-events: none;
}

/* 密码弹窗 */
.edit-password-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
}
.edit-password-overlay[aria-hidden="false"] {
  display: flex;
}
.edit-password-box {
  background: var(--bg-card);
  border: var(--card-border);
  border-radius: var(--radius);
  padding: var(--space);
  min-width: 280px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.edit-password-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--text-primary);
}
.edit-password-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  background: var(--bg-page);
  border: var(--card-border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  box-sizing: border-box;
}
.edit-password-input:focus {
  outline: none;
  border-color: var(--accent-1);
}
.edit-password-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}
.edit-password-cancel,
.edit-password-confirm {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
}
.edit-password-cancel {
  background: var(--text-muted);
  color: #fff;
}
.edit-password-confirm {
  background: var(--accent-1);
  color: #fff;
}
.edit-password-confirm:hover {
  background: var(--accent-2);
}
.edit-password-error {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: #f87171;
  min-height: 1.2em;
}

/* 图片裁剪弹窗 */
.crop-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(0, 0, 0, 0.75);
  align-items: center;
  justify-content: center;
}
.crop-overlay[aria-hidden="false"] {
  display: flex;
}
.crop-modal {
  background: var(--bg-card);
  border: var(--card-border);
  border-radius: var(--radius);
  padding: var(--space);
  max-width: 95vw;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.crop-modal-title {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: var(--text-primary);
}
.crop-modal-hint {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.crop-aspect-label {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.crop-aspect-label select {
  margin-left: 0.5rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg-page);
  border: var(--card-border);
  border-radius: 6px;
  color: var(--text-primary);
}
.crop-view-wrap {
  position: relative;
  width: 800px;
  max-width: 90vw;
  height: 450px;
  max-height: 60vh;
  background: #111;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.crop-view-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#crop-canvas {
  position: absolute;
  left: 0;
  top: 0;
  cursor: crosshair;
}
.crop-box {
  position: absolute;
  border: 2px dashed rgba(124, 156, 255, 0.9);
  box-sizing: border-box;
  cursor: move;
  pointer-events: none;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}
.crop-box::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: auto;
  cursor: move;
}
.crop-box-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 16px;
  height: 16px;
  background: rgba(124, 156, 255, 0.8);
  border-radius: 2px 0 0 0;
  cursor: nwse-resize;
  pointer-events: auto;
}
.crop-modal-actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}
.crop-cancel,
.crop-confirm {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
}
.crop-cancel {
  background: var(--text-muted);
  color: #fff;
}
.crop-confirm {
  background: var(--accent-1);
  color: #fff;
}
.crop-confirm:hover {
  background: var(--accent-2);
}

/* 未验证时隐藏工具栏 */
.edit-toolbar--hidden {
  display: none !important;
}

.edit-toolbar {
  position: fixed;
  bottom: var(--space);
  right: var(--space);
  z-index: 100;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.edit-btn,
.edit-save-btn {
  padding: 0.5rem 1rem;
  background: var(--accent-1);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: background 0.2s, transform 0.2s;
}

.edit-btn:hover,
.edit-save-btn:hover {
  background: var(--accent-2);
  transform: translateY(-1px);
}

.edit-save-btn {
  background: #22c55e;
}

.edit-save-btn:hover {
  background: #16a34a;
}

/* 编辑模式下才显示的区块（默认隐藏） */
.edit-mode-only {
  display: none;
}

.edit-mode .edit-mode-only {
  display: block;
}

.edit-mode .edit-mode-only.edit-block {
  display: block;
}

/* 可编辑区域：编辑模式下显示轮廓 */
.edit-mode [data-editable] {
  outline: 1px dashed rgba(124, 156, 255, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

.edit-mode [data-editable]:focus {
  outline-color: var(--accent-1);
}

/* 编辑模式下卡片不跳转（由 JS 阻止默认） */
.edit-mode .card {
  cursor: text;
}

/* 内联编辑区块样式 */
.edit-block {
  max-width: var(--wrap-width);
  margin: var(--space) auto 0;
  padding: var(--space);
  background: rgba(0, 0, 0, 0.2);
  border: var(--card-border);
  border-radius: var(--radius);
}

.edit-block label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.edit-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.edit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.edit-row input[type="text"] {
  flex: 1;
  min-width: 120px;
  padding: 0.5rem 0.75rem;
  background: var(--bg-page);
  border: var(--card-border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.edit-row input[type="text"]:focus {
  outline: none;
  border-color: var(--accent-1);
}

.edit-row input[type="file"] {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.edit-row-brightness {
  margin-top: 0.75rem;
}

.edit-row-brightness label {
  margin-bottom: 0;
  margin-right: 0.5rem;
}

.edit-row input[type="range"] {
  flex: 1;
  min-width: 120px;
  height: 8px;
  accent-color: var(--accent-1);
}

.edit-brightness-value {
  min-width: 3em;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.edit-row-gradient {
  margin-top: 0.75rem;
}

.edit-row-gradient label {
  margin-bottom: 0;
  margin-right: 0.5rem;
}

.edit-row input[type="color"] {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: 999px;
  border: var(--card-border);
  background: transparent;
}

.edit-row input[type="color"]::-webkit-color-swatch {
  border-radius: 999px;
  border: none;
}

.edit-gradient-value {
  min-width: 3em;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.edit-card-opts {
  margin-top: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.edit-card-opts span {
  display: inline-block;
  min-width: 4em;
  color: var(--accent-1);
  font-weight: 600;
}

.edit-card-opts input[type="text"] {
  padding: 0.35rem 0.5rem;
  margin: 0 0.25rem;
  background: var(--bg-page);
  border: var(--card-border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 0.85rem;
  min-width: 100px;
}

.edit-card-opts input:focus {
  outline: none;
  border-color: var(--accent-1);
}