/* ============================================
   个人博客 - 硬核摩托赛车风格
   碳纤维 + 霓虹橙 + 赛车条纹 + 方格旗 + 速度表
   ============================================ */
:root {
  --primary: #ff6b00;
  --primary-light: #ff9500;
  --primary-glow: rgba(255, 107, 0, 0.5);
  --primary-deep: #cc4400;
  --accent: #00e5ff;
  --bg: #08080c;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --bg-elevated: #16161f;
  --text: #f0f0f5;
  --text-muted: #9090a5;
  --text-dim: #505065;
  --border: #2a2a38;
  --border-glow: rgba(255, 107, 0, 0.4);
  --carbon: rgba(255,255,255,0.025);
}

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

body {
  font-family: "Rajdhani", "DIN Condensed", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-weight: 500;
  position: relative;
  min-height: 100vh;
}
/* 全局固定背景 - 赛道光轨 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url("../images/road-bg.jpg") center/cover no-repeat;
  opacity: 0.06;
  z-index: -2;
  pointer-events: none;
}
/* 碳纤维纹理叠加 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(45deg, var(--carbon) 25%, transparent 25%),
    linear-gradient(-45deg, var(--carbon) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--carbon) 75%),
    linear-gradient(-45deg, transparent 75%, var(--carbon) 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0;
  z-index: -1;
  pointer-events: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 12, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--primary);
  box-shadow: 0 2px 20px rgba(255,107,0,0.15);
}
.nav-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.site-logo {
  font-size: 17px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-shadow: 0 0 15px var(--primary-glow);
}
.site-logo .icon {
  font-size: 24px;
  display: inline-block;
  filter: drop-shadow(0 0 8px var(--primary-glow));
  animation: motoGlow 2s ease-in-out infinite;
}
@keyframes motoGlow {
  0%, 100% { filter: drop-shadow(0 0 6px var(--primary-glow)); transform: translateY(0); }
  50% { filter: drop-shadow(0 0 16px var(--primary-glow)); transform: translateY(-2px); }
}
@keyframes wheelSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.nav-menu {
  display: flex;
  gap: 2px;
  list-style: none;
}
.nav-menu a {
  padding: 10px 20px;
  font-size: 13px;
  color: var(--text-muted);
  transition: all .2s;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.nav-menu a:hover { color: var(--text); background: rgba(255,107,0,0.1); }
.nav-menu a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  box-shadow: 0 0 15px var(--primary-glow);
}
.nav-toggle {
  display: none;
  font-size: 24px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--primary);
}

.hero {
  position: relative;
  color: #fff;
  padding: 90px 20px 100px;
  text-align: center;
  overflow: hidden;
  background: url("../images/hero-bg.jpg") center/cover no-repeat;
}
/* 暗色遮罩，保证文字可读 */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,8,12,0.75) 0%, rgba(8,8,12,0.55) 40%, rgba(8,8,12,0.85) 100%);
  z-index: 0;
  pointer-events: none;
}
/* 速度线动画叠加 */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(255,107,0,0.06) 80px, rgba(255,107,0,0.06) 81px);
  animation: speedLines 15s linear infinite;
  z-index: 0;
  pointer-events: none;
}
@keyframes speedLines {
  from { background-position: 0 0, 0 0; }
  to { background-position: 800px 0, 0 400px; }
}
.hero h1 {
  font-size: 42px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  font-weight: 900;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-shadow: 0 0 40px var(--primary-glow), 0 2px 0 rgba(0,0,0,0.5);
}
.hero h1 span {
  color: var(--primary);
  position: relative;
}
.hero h1 span::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}
.hero p {
  font-size: 14px;
  opacity: .7;
  position: relative;
  z-index: 1;
  letter-spacing: 6px;
  text-transform: uppercase;
  font-weight: 600;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 20px;
}
.page-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 28px;
  padding: 6px 0 6px 18px;
  letter-spacing: 3px;
  text-transform: uppercase;
  position: relative;
}
.page-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--primary), transparent);
}
.page-title::after {
  content: '';
  position: absolute;
  left: 18px;
  bottom: -2px;
  width: 60px;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
}

.card-list {
  display: grid;
  gap: 20px;
}
.post-card {
  background: var(--bg-card);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  transition: all .35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  border: 1px solid var(--border);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  z-index: 2;
  box-shadow: 0 0 12px var(--primary-glow);
}
.post-card:hover {
  transform: translateY(-4px) translateX(2px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 40px rgba(255,107,0,0.2);
}
.post-card .cover {
  width: 280px;
  min-height: 180px;
  background: linear-gradient(135deg, #1a1a2e, #0f0f1a);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.post-card .cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(255,107,0,0.15) 100%);
  pointer-events: none;
}
.post-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.post-card:hover .cover img { transform: scale(1.1); }
.post-card .cover .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  opacity: 0.4;
}
.post-card .body {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.post-card .title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
  transition: color .2s;
  letter-spacing: 0.5px;
}
.post-card:hover .title { color: var(--primary); }
.post-card .excerpt {
  color: var(--text-muted);
  font-size: 14px;
  flex: 1;
}
.post-card .meta {
  display: flex;
  gap: 18px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
  letter-spacing: 0.5px;
}
.post-card .meta span {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  background: rgba(255,255,255,0.03);
}

.detail-wrap {
  background: var(--bg-card);
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}
.detail-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
}
.detail-wrap h1 {
  font-size: 30px;
  margin-bottom: 20px;
  color: var(--text);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 1px;
}
.detail-meta {
  display: flex;
  gap: 20px;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  letter-spacing: 0.5px;
}
.detail-content {
  font-size: 16px;
  line-height: 2;
  word-break: break-word;
  color: #c8c8d8;
}
.detail-content img {
  border-radius: 4px;
  margin: 18px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  border: 1px solid var(--border);
}
.detail-content p { margin-bottom: 18px; }
.detail-content h1, .detail-content h2, .detail-content h3 {
  margin: 30px 0 16px;
  font-weight: 700;
  color: var(--text);
  padding-left: 12px;
  border-left: 3px solid var(--primary);
}
.detail-content h1 { font-size: 24px; }
.detail-content h2 { font-size: 22px; }
.detail-content h3 { font-size: 19px; color: var(--primary-light); }
.detail-content ul, .detail-content ol { margin: 16px 0; padding-left: 28px; }
.detail-content li { margin-bottom: 10px; }
.detail-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 14px 22px;
  margin: 24px 0;
  background: rgba(255,107,0,0.06);
  color: var(--text-muted);
  position: relative;
}
.detail-content blockquote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 8px;
  font-size: 40px;
  color: var(--primary);
  opacity: 0.3;
}
.detail-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

.action-bar {
  display: flex;
  gap: 14px;
  margin: 36px 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 32px;
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  transition: all .2s;
  letter-spacing: 2px;
  text-transform: uppercase;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.like-btn:hover, .like-btn.liked {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 25px var(--primary-glow);
}
.like-btn.liked { animation: pop .3s; }
@keyframes pop { 0%{transform:scale(1)} 50%{transform:scale(1.15)} 100%{transform:scale(1)} }

.comment-section { margin-top: 40px; }
.comment-section h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text);
  font-weight: 700;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.comment-form {
  background: var(--bg-elevated);
  padding: 20px;
  margin-bottom: 28px;
  border: 1px solid var(--border);
  position: relative;
}
.comment-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--primary);
}
.comment-form .row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.comment-form input, .comment-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: all .2s;
  background: var(--bg);
  color: var(--text);
}
.comment-form input::placeholder, .comment-form textarea::placeholder { color: var(--text-dim); }
.comment-form input:focus, .comment-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.1);
}
.comment-form textarea { resize: vertical; min-height: 90px; }
.comment-list { display: flex; flex-direction: column; gap: 16px; }
.comment-item {
  padding: 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  transition: border-color .2s;
  position: relative;
  padding-left: 22px;
}
.comment-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  opacity: 0.5;
}
.comment-item:hover { border-color: var(--border-glow); }
.comment-item:hover::before { opacity: 1; }
.comment-item .c-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.comment-item .c-name { font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.comment-item .c-time { font-size: 12px; color: var(--text-dim); }
.comment-item .c-content { font-size: 14px; color: #b8b8c8; line-height: 1.8; }

.captcha-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.captcha-row input {
  flex: 1;
  max-width: 140px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  font-size: 14px;
  outline: none;
  letter-spacing: 6px;
  text-transform: uppercase;
  background: var(--bg);
  color: var(--text);
  font-weight: 700;
}
.captcha-row input:focus { border-color: var(--primary); }
.captcha-img {
  height: 42px;
  cursor: pointer;
  border: 1px solid var(--border);
  user-select: none;
}
.captcha-tip { font-size: 12px; color: var(--text-dim); }
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  overflow: hidden !important;
}

.message-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.message-card {
  background: var(--bg-card);
  padding: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  position: relative;
  border: 1px solid var(--border);
  transition: all .3s;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.message-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--primary) 0, var(--primary) 12px, #fff 12px, #fff 18px, var(--primary) 18px, var(--primary) 30px, #000 30px, #000 36px);
}
.message-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255,107,0,0.15);
}
.message-card .m-name {
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 16px;
  letter-spacing: 1px;
  margin-top: 8px;
}
.message-card .m-content {
  font-size: 14px;
  color: #b8b8c8;
  margin-bottom: 14px;
  word-break: break-word;
  line-height: 1.8;
}
.message-card .m-time {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.profile-card {
  background: var(--bg-card);
  padding: 48px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}
.profile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
}
@keyframes gradientShift { 0%,100%{background-position:0% 50%} 50%{background-position:100% 50%} }
.profile-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  margin: 0 auto 28px;
  background: linear-gradient(135deg, var(--primary), #cc2200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  color: #fff;
  overflow: hidden;
  border: 4px solid var(--bg);
  box-shadow: 0 0 40px var(--primary-glow), inset 0 0 20px rgba(0,0,0,0.3);
  position: relative;
}
.profile-avatar::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 2px dashed var(--primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: wheelSpin 20s linear infinite;
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-name {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
}
.profile-signature {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 32px;
  font-style: italic;
  letter-spacing: 1px;
}
.profile-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 32px 0;
  flex-wrap: wrap;
}
.profile-stats .stat {
  text-align: center;
  padding: 20px 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  min-width: 110px;
  position: relative;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.profile-stats .stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
}
.profile-stats .num {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
  text-shadow: 0 0 20px var(--primary-glow);
  font-family: "Courier New", monospace;
}
.profile-stats .label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.profile-bio {
  text-align: left;
  margin-top: 32px;
  padding: 28px;
  background: var(--bg-elevated);
  font-size: 15px;
  line-height: 2;
  color: #b8b8c8;
  border: 1px solid var(--border);
  position: relative;
}
.profile-bio::before {
  content: 'BIO';
  position: absolute;
  top: -1px;
  right: 20px;
  background: var(--primary);
  color: #fff;
  padding: 2px 12px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
}
.profile-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.profile-links a {
  padding: 8px 22px;
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  transition: all .2s;
  letter-spacing: 1px;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.profile-links a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255,107,0,0.08);
}

.riding-card .cover {
  background: linear-gradient(135deg, #0a0a15, #1a0a20);
}
.riding-tag {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(255,107,0,0.12);
  font-size: 12px;
  color: var(--primary-light);
  border: 1px solid rgba(255,107,0,0.25);
  letter-spacing: 0.5px;
  font-weight: 600;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.pagination button {
  padding: 8px 18px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  transition: all .2s;
  font-weight: 600;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.pagination button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}
.pagination button:disabled { opacity: .3; cursor: not-allowed; }

.empty {
  text-align: center;
  padding: 70px 20px;
  color: var(--text-dim);
}
.empty .icon { font-size: 52px; margin-bottom: 16px; opacity: 0.4; }

.site-footer {
  text-align: center;
  padding: 36px 20px;
  color: var(--text-dim);
  font-size: 12px;
  border-top: 2px solid var(--border);
  margin-top: 50px;
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(18,18,26,0.96);
  color: #fff;
  padding: 12px 28px;
  font-size: 14px;
  z-index: 9999;
  animation: toastIn .3s;
  border: 1px solid var(--primary);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(255,107,0,0.3);
  font-weight: 600;
  letter-spacing: 1px;
}
@keyframes toastIn { from{opacity:0;transform:translate(-50%,-20px)} to{opacity:1;transform:translate(-50%,0)} }

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

@media (max-width: 768px) {
  .nav-wrap { padding: 0 16px; height: 56px; }
  .site-logo { font-size: 14px; letter-spacing: 1px; }
  .nav-toggle { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 12px;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 14px 18px; clip-path: none; }
  .hero { padding: 52px 16px 64px; }
  .hero h1 { font-size: 26px; letter-spacing: 2px; }
  .hero p { font-size: 11px; letter-spacing: 3px; }
  .container { padding: 18px; }
  .page-title { font-size: 19px; letter-spacing: 2px; }
  .post-card { flex-direction: column; clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px)); }
  .post-card .cover { width: 100%; min-height: 190px; }
  .post-card .body { padding: 18px; }
  .post-card .title { font-size: 17px; }
  .detail-wrap { padding: 24px 18px; clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px)); }
  .detail-wrap h1 { font-size: 21px; }
  .detail-content { font-size: 15px; }
  .profile-card { padding: 30px 18px; }
  .profile-avatar { width: 100px; height: 100px; font-size: 40px; }
  .profile-name { font-size: 24px; letter-spacing: 2px; }
  .profile-stats { gap: 10px; }
  .profile-stats .stat { padding: 14px 16px; min-width: 85px; }
  .profile-stats .num { font-size: 24px; }
  .comment-form .row { flex-direction: column; }
  .message-wall { grid-template-columns: 1fr; }
  .captcha-row { flex-wrap: wrap; }
  .action-bar { flex-direction: column; }
  .like-btn { justify-content: center; }
}

/* ===== 鼠标点击光影特效 ===== */
.click-ripple {
  position: fixed;
  pointer-events: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,0,0.7) 0%, rgba(255,170,0,0.3) 40%, transparent 70%);
  transform: translate(-50%, -50%) scale(0);
  animation: rippleExpand 1.2s ease-out forwards;
  z-index: 99999;
}
.click-text {
  position: fixed;
  pointer-events: none;
  transform: translate(-50%, -50%);
  color: #ff8c00;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(255,107,0,0.9), 0 0 16px rgba(255,107,0,0.5), 0 2px 4px rgba(0,0,0,0.5);
  animation: textFloat 1.6s ease-out forwards;
  z-index: 99999;
  white-space: nowrap;
}
@keyframes rippleExpand {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(10); opacity: 0; }
}
@keyframes textFloat {
  0% { transform: translate(-50%, -50%) scale(0.3); opacity: 0; }
  15% { transform: translate(-50%, -70%) scale(1.3); opacity: 1; }
  30% { transform: translate(-50%, -80%) scale(1); }
  100% { transform: translate(-50%, -160%) scale(0.9); opacity: 0; }
}