*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}

.page-bg{
  position:fixed;
  inset:0;
  overflow:hidden;
  pointer-events:none;
  z-index:-2;
  background:var(--bg);
}
.page-bg-image{
  position:absolute;
  inset:0;
  background-image:var(--light-bg-image);
  background-position:center;
  background-size:cover;
  opacity:.14;
}
html[data-theme="dark"] .page-bg-image{background-image:var(--dark-bg-image);opacity:.16}
.page-gradient{
  position:absolute;
  border-radius:50%;
  filter:blur(80px);
  opacity:.65;
}
.page-gradient-a{
  width:40vw;height:40vw;left:-8vw;top:-12vw;
  background:rgba(10,132,255,.2);
}
.page-gradient-b{
  width:36vw;height:36vw;right:-8vw;top:10vh;
  background:rgba(94,92,230,.14);
}
.page-noise{
  position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(circle at 20% 20%, rgba(255,255,255,.9) 1px, transparent 1px), radial-gradient(circle at 80% 70%, rgba(255,255,255,.4) 1px, transparent 1px);
  background-size:18px 18px, 24px 24px;
}

.site-frame{
  width:min(calc(100% - 100px), 960px);
  margin:24px auto 32px;
  padding:0 28px;
}

.site-header-wrap,
.site-footer-wrap{width:min(calc(100% - 100px), 960px);margin:0 auto}

.reading-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg, var(--brand), rgba(255,255,255,.85));
  z-index:100;
}

.glass-shell,
.glass-card{
  position:relative;
  background:var(--bg-elevated);
  backdrop-filter:blur(var(--blur-lg)) saturate(160%);
  -webkit-backdrop-filter:blur(var(--blur-lg)) saturate(160%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft), 0 4px 16px rgba(0,0,0,.06);
}
.glass-shell{border-radius:var(--hero-radius, 32px)}
.glass-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-soft), 0 4px 16px rgba(0,0,0,.06)}
.compact-card{padding:14px 16px}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);
  font-size:.86rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;
}
.hero-actions,.meta-row,.tag-row,.chip-row{display:flex;flex-wrap:wrap;gap:12px}
.meta-row{align-items:center}
.meta-pill,
.chip,
.tag-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--bg-soft);
  color:var(--text);
}
.meta-pill.accent,.chip.is-active{background:var(--brand-soft);border-color:transparent;color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 16px;border-radius:var(--radius-pill);
  border:1px solid transparent;font-weight:600;font-size:.9rem;transition:.25s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-soft)}
.btn-secondary{background:var(--bg-soft);border-color:var(--line)}

.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-head h2{margin:0;font-size:1.2rem}
.section-head span{color:var(--text-3);font-size:.92rem}
.section-head.compact h2{font-size:1rem}

.hero-home,.hero-archive,.single-header,.not-found{
  display:grid;grid-template-columns:1.2fr .9fr;gap:28px;
  padding:32px;
  min-height:260px;
}
.hero-home{max-width:800px;margin-left:0}
.hero-copy,.single-copy{display:flex;flex-direction:column;justify-content:center;gap:16px}
.is-page .single-header{grid-template-columns:1fr}
.is-page .page-header-shell{grid-template-columns:1fr 1fr;gap:22px;padding:26px}
.is-page .page-header-shell .single-copy{padding:20px 0;text-align:center}
.is-post .single-header{grid-template-columns:1fr;padding:20px 28px}
.is-post .single-copy{gap:10px}
.is-post .hero-subtitle{font-style:italic;color:var(--text-3);font-size:1rem}
.is-post .site-frame{width:min(calc(100% - 100px), 1100px);padding:0 8px}
.is-post .single-cover-wrap{display:none}
.hero-copy h1,.single-copy h1{margin:0;font-size:clamp(2rem, 4vw, 4.6rem);line-height:1.02;letter-spacing:-.04em}

.hero-weather{
  display:grid;gap:18px;min-height:248px;overflow:hidden;isolation:isolate;
  background:linear-gradient(145deg, rgba(10,132,255,.12), rgba(255,255,255,.55) 58%, rgba(10,132,255,.08))
}
html[data-theme="dark"] .hero-weather{
  background:linear-gradient(145deg, rgba(41,151,255,.18), rgba(255,255,255,.08) 54%, rgba(41,151,255,.12))
}
.weather-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.weather-location{display:block;font-size:1.18rem;line-height:1.2}
.weather-pill{
  display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.52);color:var(--text-2);font-size:.85rem
}
html[data-theme="dark"] .weather-pill{background:rgba(255,255,255,.08)}
.weather-main{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:16px;align-items:center}
.weather-temp{
  display:flex;align-items:flex-start;gap:6px;
  font-size:clamp(2.8rem, 5vw, 3.8rem);font-weight:800;line-height:1;letter-spacing:-.08em
}
.weather-temp small{margin-top:.38rem;font-size:1rem;color:var(--text-3);letter-spacing:0}
.weather-summary{margin:12px 0 0;color:var(--text-2)}
.weather-visual{
  width:96px;height:96px;border-radius:28px;justify-self:end;
  display:grid;place-items:center;font-size:1.7rem;font-weight:700;letter-spacing:.08em;
  border:1px solid rgba(255,255,255,.28);color:#fff;
  background:linear-gradient(145deg, rgba(255,167,29,.92), rgba(255,109,0,.82));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.24)
}
.hero-weather[data-weather-kind="cloud"] .weather-visual{
  background:linear-gradient(145deg, rgba(104,126,154,.94), rgba(71,89,113,.84))
}
.hero-weather[data-weather-kind="rain"] .weather-visual{
  background:linear-gradient(145deg, rgba(51,154,240,.94), rgba(16,84,169,.84))
}
.hero-weather[data-weather-kind="storm"] .weather-visual{
  background:linear-gradient(145deg, rgba(74,57,167,.94), rgba(31,24,83,.88))
}
.hero-weather[data-weather-kind="snow"] .weather-visual{
  background:linear-gradient(145deg, rgba(157,210,255,.96), rgba(85,162,220,.84))
}
.hero-weather[data-weather-kind="fog"] .weather-visual{
  background:linear-gradient(145deg, rgba(136,146,160,.94), rgba(86,96,111,.84))
}
.hero-weather[data-weather-state="error"] .weather-visual{
  background:linear-gradient(145deg, rgba(255,159,10,.92), rgba(191,90,24,.84))
}
.weather-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.weather-metric{
  padding:14px;border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.42)
}
html[data-theme="dark"] .weather-metric{background:rgba(255,255,255,.05)}
.weather-metric span{display:block;color:var(--text-3);font-size:.84rem;margin-bottom:6px}
.weather-metric strong{font-size:1rem}
.weather-meta{margin:0;color:var(--text-3);font-size:.9rem}

.content-grid{display:grid;grid-template-columns:minmax(0,1fr) var(--side-width);gap:32px;margin-top:32px}

.main-column{min-width:0}
.side-column{display:grid;gap:18px;align-self:start;position:sticky;top:104px}
.sidebar-card{padding:18px}
.sidebar-list{margin:0;padding-left:18px;color:var(--text-2)}
.sidebar-list li+li{margin-top:8px}
.sidebar-chip-row .chip{font-size:.92rem;padding:8px 12px}

.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}
.post-card{overflow:hidden;transition:transform 0.5s cubic-bezier(0.16,1,0.3,1),box-shadow 0.5s cubic-bezier(0.16,1,0.3,1);will-change:transform;box-shadow:0 10px 32px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.05);border:1px solid var(--line);border-radius:var(--radius-lg)}
.post-card:hover{transform:scale(1.02);box-shadow:0 16px 48px rgba(0,0,0,.12),0 6px 20px rgba(0,0,0,.08)}
.post-card-link{display:block;height:100%}
.post-card:hover{transform:scale(1.02);box-shadow:0 12px 40px rgba(0,0,0,0.1)}
.post-card-body{padding:18px 18px 20px}
.post-card h2{margin:12px 0 16px;font-size:1.35rem;line-height:1.2}
.post-card p{margin:0 0 6px;color:var(--text-2)}
.post-card-foot{display:flex;justify-content:space-between;gap:12px;margin-top:20px;color:var(--text-3);font-size:.9rem}
.post-visual{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg, rgba(10,132,255,.16), rgba(94,92,230,.12))}
.post-visual img,.single-cover img{width:100%;height:100%;object-fit:cover;color:transparent;font-size:0}
.is-page .single-cover img{object-fit:contain}
.no-image{position:relative;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(22px)}
.orb-a{width:140px;height:140px;left:8%;top:12%;background:rgba(10,132,255,.3)}
.orb-b{width:180px;height:180px;right:6%;top:20%;background:rgba(94,92,230,.22)}
.orb-c{width:120px;height:120px;left:28%;bottom:12%;background:rgba(48,209,88,.16)}

.pagination-wrap{margin-top:26px}
.pagination-wrap ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.pagination-wrap li{display:flex;align-items:center;justify-content:center;background:transparent;border:0;box-shadow:none}
.pagination-wrap li a,.pagination-wrap li span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--bg-elevated)
}
.pagination-wrap li.is-current{background:transparent;border-color:transparent;box-shadow:none}
.pagination-wrap li.is-current > a,
.pagination-wrap li.is-current > span,
.pagination-wrap span.is-current,
.pagination-wrap a.is-current{
  background:var(--brand);border-color:transparent;color:#fff;
}

.single-article{display:grid;gap:24px}
.single-cover-wrap{display:flex;align-items:center;justify-content:center}
.single-cover{
  width:min(100%, 460px);height:560px;max-width:100%;
  overflow:hidden;flex:none
}
.single-cover.no-image{display:block}
.article-layout{display:grid;grid-template-columns:1fr 180px;gap:32px;align-items:start}
.article-main{display:grid;gap:22px;min-width:0;max-width:100%}
.article-aside{position:sticky;top:104px;align-self:start}
.article-body{padding:20px 28px;min-width:0;max-width:100%;overflow:hidden}
.entry-footer{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.nav-card{padding:18px;min-height:78px;display:flex;align-items:center}
.nav-card .muted{color:var(--text-3)}
.post-nav-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}

.site-header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:var(--header-height);padding:12px 16px;margin-top:16px;
}
.site-brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg, var(--brand), rgba(255,255,255,.94));
  color:#fff;font-weight:800;font-size:1.1rem;
}
.brand-avatar{
  position:relative;
  width:48px;height:48px;
  border-radius:50%;
  overflow:hidden;
  flex-shrink:0;
  box-shadow:
    0 2px 8px rgba(0,0,0,0.12),
    0 0 0 2px rgba(255,255,255,0.6);
}
.brand-avatar-img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.brand-avatar-glass{
  position:absolute;
  inset:0;
  border-radius:50%;
  pointer-events:none;
  background:linear-gradient(
    135deg,
    rgba(255,255,255,0.35) 0%,
    rgba(255,255,255,0.08) 40%,
    transparent 50%,
    rgba(255,255,255,0.05) 60%,
    rgba(255,255,255,0.15) 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.5),
    inset 0 -1px 0 rgba(0,0,0,0.08);
  backdrop-filter:blur(2px);
  -webkit-backdrop-filter:blur(2px);
}
.brand-avatar-glass::after{
  content:'';
  position:absolute;
  inset:-50%;
  background:linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.12) 50%,
    transparent 100%
  );
  transform:translateX(-100%) rotate(25deg);
  animation:liquid-shine 6s ease-in-out infinite;
}
@keyframes liquid-shine{
  0%,100%{transform:translateX(-100%) rotate(25deg)}
  50%{transform:translateX(100%) rotate(25deg)}
}

.hero-panel{flex-shrink:0;border-radius:24px;overflow:hidden}
/* hero-panel 大图液态玻璃 */
.hero-panel-avatar{
  position:relative;
  width:100%;
  max-width:320px;
  border-radius:24px;
  overflow:hidden;
  display:block;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.18),
    0 0 0 2px rgba(255,255,255,0.5);
}
.hero-panel-avatar-img{
  width:100%;
  height:auto;
  display:block;
}
.hero-panel-avatar-glass{
  position:absolute;
  inset:0;
  border-radius:24px;
  pointer-events:none;
  background:linear-gradient(
    135deg,
    rgba(255,255,255,0.25) 0%,
    rgba(255,255,255,0.06) 35%,
    transparent 50%,
    rgba(255,255,255,0.04) 65%,
    rgba(255,255,255,0.15) 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.4),
    inset 0 -1px 0 rgba(0,0,0,0.06);
  z-index:1;
}
.hero-panel-avatar-glass::after{
  content:'';
  position:absolute;
  inset:-50%;
  background:linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.1) 50%,
    transparent 100%
  );
  transform:translateX(-100%) rotate(25deg);
  animation:hero-avatar-shine 6s ease-in-out infinite;
}
@keyframes hero-avatar-shine{
  0%,100%{transform:translateX(-100%) rotate(25deg)}
  50%{transform:translateX(100%) rotate(25deg)}
}

.logo{width:42px;height:42px;object-fit:contain}
.logo-dark{display:none}
html[data-theme="dark"] .site-brand.has-dark-logo .logo-light{display:none}
html[data-theme="dark"] .site-brand.has-dark-logo .logo-dark{display:block}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-link{padding:10px 14px;border-radius:var(--radius-pill);color:var(--text-2)}
.nav-link:hover,.nav-link.is-active{background:var(--bg-soft);color:var(--text)}
.header-actions{display:flex;align-items:center;gap:10px}
.search-mini{display:flex;align-items:center;gap:4px}
.search-mini input{
  width:160px;height:40px;padding:0 14px;border-radius:var(--radius-pill);
  background:var(--bg-soft);border:1px solid var(--line);outline:none;flex:1
}
.search-close{width:30px;height:30px;border-radius:50%;border:none;background:transparent;color:var(--text-2);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;flex-shrink:0}
.search-close:hover{background:var(--bg-soft);color:var(--text)}
.icon-btn,.floating-backtop{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  padding:0;background:var(--bg-soft);display:grid;place-items:center;
  appearance:none;-webkit-appearance:none
}
.icon-wrap{display:inline-flex;align-items:center;justify-content:center;line-height:0}
.theme-toggle-icon{position:relative;width:20px;height:20px}
.theme-icon{position:absolute;inset:0;display:inline-flex;align-items:center;justify-content:center}
.theme-icon-sun{display:none}
html[data-theme="dark"] .theme-icon-sun{display:inline-flex}
html[data-theme="dark"] .theme-icon-moon{display:none}
.icon-wrap svg,.floating-backtop svg,.social-link svg{display:block;width:20px;height:20px;flex:none}
.mobile-only{display:none}

.category-strip{margin-top:28px}
.category-strip,.comments-section,.not-found-card{padding:22px}

/* 首页分类长条圆角矩形 */
.home-cat-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:12px 22px;
  margin-top:28px;
  border-radius:40px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  justify-content:center;
  width:100%;
  box-sizing:border-box;
}
.home-cat-tag{
  display:inline-block;
  padding:4px 18px;
  font-size:13px;
  border-radius:999px;
  background:var(--bg-elevated);
  border:1px solid var(--line);
  color:var(--text-2);
  text-decoration:none;
  transition:all 0.2s;
  font-weight:500;
}
.home-cat-tag:hover{
  color:var(--brand);
  border-color:var(--brand);
  background:var(--bg);
}

  color:var(--brand);
  border-color:var(--brand);
  background:var(--bg);
}

.friend-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.friend-card{display:flex;align-items:center;gap:16px;padding:18px}
.friend-avatar{width:56px;height:56px;border-radius:18px;overflow:hidden;background:var(--bg-soft);display:grid;place-items:center;font-weight:800}
.friend-avatar img{width:100%;height:100%;object-fit:cover}
.friend-meta p{margin:6px 0 0;color:var(--text-2)}
.footer-main,.footer-meta{display:flex;align-items:center;justify-content:space-between;gap:14px}
.site-footer{padding:20px 22px;margin-bottom:30px}
.footer-main p{margin:.5rem 0 0;color:var(--text-2)}
.footer-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);flex-wrap:wrap;color:var(--text-3);font-size:.9rem}
.footer-social{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.social-link{display:inline-flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-pill);background:var(--bg-soft);border:1px solid var(--line)}

.floating-backtop{position:fixed;right:24px;bottom:24px;box-shadow:var(--shadow-float);opacity:0;transform:translateY(16px);pointer-events:none;transition:.25s ease;z-index:30}
.floating-backtop.is-visible{opacity:1;transform:none;pointer-events:auto}
.mtop-xl{margin-top:28px}
.comment-empty,.empty-state{color:var(--text-2)}
.empty-state{padding:28px}

@media (max-width: 1120px){
  .content-grid,.article-layout{grid-template-columns:1fr}
  .post-stream-wide .main-column{width:100%}
  .side-column,.article-aside{position:static}
}
@media (max-width: 900px){
  .site-nav.is-open{
    padding:14px;max-height:70vh;opacity:1;transform:translateY(0);
    border-color:var(--line);background:var(--bg-strong);box-shadow:var(--shadow-float);
    pointer-events:auto;display:flex;flex-direction:row;flex-wrap:wrap;gap:4px 8px
  }
  .site-nav .nav-link{display:inline-flex;width:auto;text-align:left;padding:5px 7px;font-size:.82rem;white-space:nowrap}
  .site-nav{flex-wrap:nowrap;gap:2px;overflow-x:auto}
  .mobile-only{display:grid}
}
@media (max-width: 640px){
  .site-frame,.site-header-wrap,.site-footer-wrap{width:min(calc(100% - 50px), 960px)}
}


.post-stream-full{margin-top:32px;width:min(calc(100vw - 80px), 1200px);margin-left:50%;transform:translateX(-50%)}
.post-stream-full .post-stream-wrap{display:flex;gap:48px;align-items:flex-start}
.post-stream-full .main-column{flex:1;min-width:0}
.post-stream-full .post-stream-sidebar{width:320px!important;flex-shrink:0!important}
.post-stream-full .post-stream-sidebar .side-column{width:100%}

/* ========== 移动端适配（保持PC布局，仅缩放） ========== */

/* 平板 (≤1024px) */
@media(max-width:1024px){
  .site-frame,.site-header-wrap,.site-footer-wrap{width:calc(100% - 48px)}
  .post-stream-full{width:100%;margin-left:0;padding:0 24px}
  .post-stream-full .post-stream-sidebar{width:260px !important}
  .post-grid{gap:32px}
  .hero-home{padding:24px}
  .hero-copy h1{font-size:clamp(1.6rem,3.5vw,3rem)}
}
/* 手机横屏/小平板竖屏 (≤768px) */
@media(max-width:768px){
  .site-frame,.site-header-wrap,.site-footer-wrap{width:calc(100% - 32px)}
  .is-post .site-frame{width:calc(100% - 32px);padding:0}
  .is-post .single-header{padding:18px 16px}
  .single-copy h1{font-size:clamp(1.3rem,4vw,2rem)}
  .site-header .brand{font-size:1rem}
  .site-nav .nav-link{font-size:.85rem;padding:5px 10px}
  .mobile-only{display:grid !important}
  .search-mini{display:none}
  
  /* Hero - 保持左右布局，缩小 */
  .hero-home{padding:18px;gap:16px;min-height:auto}
  .hero-copy{padding-top:33px}
  .hero-copy h1{font-size:clamp(1.4rem,3vw,2.2rem)}
  .hero-subtitle{font-size:.88rem}
  .hero-actions{gap:8px}
  .hero-actions .btn{font-size:.85rem;min-height:36px}
  .hero-panel{max-width:180px}
  
  /* 博客流 - 保持双列，缩小卡片 */
  .post-stream-full{padding:0 16px;width:100%;margin-left:0}
  .post-stream-full .post-stream-sidebar{display:none}
  .post-grid{gap:16px;grid-template-columns:1fr}
  .post-card .post-card-body{padding:14px 16px}
  .post-card h2{font-size:1.05rem;margin:10px 0 12px}
  .post-card p{font-size:.92rem}
  .post-card .meta-pill{font-size:.8rem}
  .post-card .meta-time{font-size:.78rem}
  .post-card-foot{font-size:.85rem;margin-top:14px}
  
  /* Footer */
  .footer-main{padding:12px 0;gap:8px}
  .footer-meta{font-size:.82rem}
  
  /* Photos - 保持3列缩小 */
  .ig-grid{grid-template-columns:repeat(3,1fr);gap:4px}
  .ig-tabs{gap:8px;overflow-x:auto}
  .ig-tab{font-size:.82rem;padding:6px 10px}
  .ig-page{padding:20px 16px}
  .ig-grid{margin:0 -16px}
  .ig-loadmore{padding:28px 0}
  
  /* 文章内容 */
  .article-layout{grid-template-columns:1fr}
  .article-aside{display:none}
  .article-body{padding:28px 24px}
  .entry-content{font-size:1rem;line-height:1.9}
  .entry-meta.compact-card{padding:10px 12px;font-size:.8rem;gap:6px}
  .tag-row{gap:6px}
  .tag-chip{font-size:.8rem;padding:4px 10px}
  .post-nav-grid{grid-template-columns:1fr;gap:10px}
  
  /* 关于页 */
  .is-page .page-header-shell{grid-template-columns:1fr;gap:12px;padding:14px;text-align:center}
  .is-page .page-header-shell .single-cover-wrap{max-width:300px;margin:0 auto}
  .is-page .page-header-shell .single-cover-wrap .single-cover{height:360px;overflow:hidden}
  .is-page .page-header-shell .single-cover-wrap .single-cover img{object-fit:cover;object-position:center 30%;height:100%}
  .is-page .single-copy h1{font-size:1.4rem}
}
/* 小屏手机 (≤480px) */
@media(max-width:480px){
  .site-frame,.site-header-wrap,.site-footer-wrap{width:calc(100% - 20px)}
  .site-header .brand{font-size:.9rem}
  .site-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:1px}
  .nav-link{font-size:.78rem;padding:3px 5px;white-space:nowrap}
  .hero-home{padding:12px;gap:10px}
  .hero-copy h1{font-size:1.3rem}
  .hero-panel{max-width:130px}
  .hero-actions .btn{font-size:.8rem;min-height:32px}
  .hero-actions{gap:6px}
  .hero-subtitle{font-size:.8rem}
  
  .post-stream-full{padding:0 10px}
  .post-grid{gap:12px;grid-template-columns:1fr}
  .post-card .post-card-body{padding:12px 14px}
  .post-card h2{font-size:.98rem;margin:8px 0 10px}
  .post-card p{font-size:.88rem}
  
  .footer-main{padding:8px 0}
  .footer-meta{font-size:.75rem}
  .footer-social{gap:8px}
  
  .ig-grid{gap:3px;grid-template-columns:repeat(2,1fr)}
  .ig-page{padding:14px 10px}
  .ig-grid{margin:0 -10px}
  .ig-profile{flex-direction:column;align-items:center;text-align:center}
  .ig-stats{justify-content:center}
  .ig-profile-avatar{width:80px;height:80px}
  
  /* 关于页 */
  .is-page .page-header-shell{gap:8px;padding:10px}
  .is-page .page-header-shell .single-cover-wrap{max-width:260px}
  .is-page .page-header-shell .single-cover-wrap .single-cover{height:320px}
  .is-page .single-copy h1{font-size:1.2rem}
  .is-page .hero-subtitle{font-size:.85rem}
}

/* ========== Apple 风格非线性动效 ========== */
/* 入场动画 */
@keyframes cardEnter{
  0%{opacity:0;transform:translateY(30px) scale(0.95)}
  100%{opacity:1;transform:translateY(0) scale(1)}
}
.post-card,.hero-panel,.page-header-shell,.glass-card{animation:cardEnter 0.8s cubic-bezier(0.16,1,0.3,1) both}
.post-card:nth-child(1){animation-delay:0.08s}
.post-card:nth-child(2){animation-delay:0.16s}
.post-card:nth-child(3){animation-delay:0.24s}
.post-card:nth-child(4){animation-delay:0.32s}
.post-card:nth-child(5){animation-delay:0.4s}

/* 卡片悬停 - 更细腻 */
.glass-card{transition:transform 0.5s cubic-bezier(0.16,1,0.3,1),box-shadow 0.5s cubic-bezier(0.16,1,0.3,1),border-color 0.3s ease}
.glass-card:hover{transform:scale(1.02);box-shadow:0 12px 40px rgba(0,0,0,0.12),0 4px 16px rgba(0,0,0,0.06)}
.glass-card:active{transform:scale(0.99)}

/* 按钮动效 */
.btn{transition:transform 0.4s cubic-bezier(0.16,1,0.3,1),box-shadow 0.4s ease,background 0.3s ease}
.btn:hover{transform:scale(1.03)}
.btn:active{transform:scale(0.97)}

/* 导航链接动效 */
.nav-link{transition:background 0.3s ease,transform 0.35s cubic-bezier(0.16,1,0.3,1)}
.nav-link:hover{transform:translateY(-1px)}
.nav-link:active{transform:translateY(0)}

/* 返回顶部 */
.floating-backtop{transition:opacity 0.4s ease,transform 0.5s cubic-bezier(0.16,1,0.3,1),visibility 0.4s ease}
.floating-backtop:hover{transform:translateY(-3px)}

/* 照片网格悬浮 */
.ig-photo{transition:transform 0.5s cubic-bezier(0.16,1,0.3,1),box-shadow 0.5s ease}
.ig-photo:hover{transform:scale(1.03);box-shadow:0 10px 30px rgba(0,0,0,0.15)}
.ig-photo:active{transform:scale(0.98)}

/* 主题切换 & 搜索按钮 */
.icon-btn{transition:transform 0.4s cubic-bezier(0.16,1,0.3,1),background 0.3s ease,border-color 0.3s ease}
.icon-btn:hover{transform:scale(1.08)}
.icon-btn:active{transform:scale(0.92)}