/* ============================================================
   Limi 个人主页 · 样式表（整屏翻页版）
   ------------------------------------------------------------
   目录
     1. 字体
     2. 设计变量（亮色=纸 / 暗色=夜）
     3. 基础与排版
     4. 背景
     5. 常驻控件（主题开关 / 页码指示 / 提示条）
     6. 整屏布局与页头
     7. 封面屏
     8. 项目屏（切换器 / 双栏案例卡 / 截图 / 亮点）
     9. 关于屏
    10. 联系屏
    11. 响应式与动效降级
   ============================================================ */

/* ============ 1. 字体（本地子集，仅含页面用到的字） ============ */
@font-face{
  font-family:'Noto Sans SC';
  src:url('../assets/fonts/noto-sc-400.woff2') format('woff2');
  font-weight:400 500;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Noto Sans SC';
  src:url('../assets/fonts/noto-sc-900.woff2') format('woff2');
  font-weight:600 900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'JetBrains Mono';
  src:url('../assets/fonts/jb-mono-400.woff2') format('woff2');
  font-weight:400 500;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'JetBrains Mono';
  src:url('../assets/fonts/jb-mono-700.woff2') format('woff2');
  font-weight:600 700;font-style:normal;font-display:swap;
}

/* ============ 2. 设计变量 ============ */
:root{
  --font-sans:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC','HarmonyOS Sans SC','MiSans','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'Cascadia Mono',Consolas,'SF Mono',Menlo,monospace;

  --content-max:1360px;
  --pad-x:clamp(1.4rem,2.8vw,2.5rem);
  --pad-y:clamp(2.4rem,6vh,4.5rem);
  --radius:14px;
  --radius-sm:8px;

  /* 亮色（纸）—— 默认 */
  color-scheme:light;
  --bg:#f7f7f4;
  --surface:#ffffff;
  --surface-2:#fbfbf8;
  --ink:#16181b;
  --ink-2:#5b6067;
  --ink-3:#8d9199;
  --hair:rgba(22,24,27,.10);
  --hair-2:rgba(22,24,27,.18);
  --accent:#12e08f;
  --accent-ink:#067a4f;
  --accent-soft:rgba(18,224,143,.16);
  --gold:#e0a91b;
  --ok:#12e08f;
  --ok-soft:rgba(18,224,143,.16);
  --warn:#ef4444;
  --gold-glow-1:rgba(224,169,27,.24);
  --gold-glow-2:rgba(224,169,27,.4);
  --btn-ink:#16181b;
  --btn-ink-text:#f7f7f4;
  --shadow:0 1px 2px rgba(22,24,27,.05),0 18px 44px -28px rgba(22,24,27,.28);
  /* 液态玻璃材质 */
  --glass-surface-1:rgba(255,255,255,.66);
  --glass-surface-2:rgba(255,255,255,.34);
  --glass-strong:rgba(255,255,255,.78);
  --glass-btn:rgba(255,255,255,.48);
  --glass-btn-weak:rgba(255,255,255,.26);
  --glass-border:rgba(255,255,255,.72);
  --glass-line:rgba(22,24,27,.07);
  --glass-highlight:rgba(255,255,255,.95);
  --glass-glow:rgba(255,255,255,.55);
  --glass-sheen:rgba(255,255,255,.22);
  --glass-shadow:0 24px 70px -34px rgba(22,24,27,.4),inset 0 1px 0 rgba(255,255,255,.85);
  --glass-tint:rgba(18,224,143,.1);
  --glass-rim:linear-gradient(135deg,rgba(255,255,255,1),rgba(255,255,255,0) 34%,rgba(18,224,143,.22) 50%,rgba(255,255,255,0) 64%,rgba(255,255,255,.55));
  --glow-1:rgba(18,224,143,.14);
  --glow-2:rgba(86,132,255,.10);
  --aura-1:rgba(18,224,143,.28);
  --aura-2:rgba(86,132,255,.2);
  --cursor-glow:rgba(18,224,143,.1);
  --grid-op:.5;
}

html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#14161a;
  --surface:#1b1f24;
  --surface-2:#181b20;
  --ink:#eef1f3;
  --ink-2:#a4abb3;
  --ink-3:#6e747c;
  --hair:rgba(255,255,255,.09);
  --hair-2:rgba(255,255,255,.18);
  --accent:#12e08f;
  --accent-ink:#4fe3a5;
  --accent-soft:rgba(18,224,143,.15);
  --gold:#f0c142;
  --ok:#12e08f;
  --ok-soft:rgba(18,224,143,.15);
  --warn:#ef4444;
  --gold-glow-1:rgba(240,193,66,.26);
  --gold-glow-2:rgba(240,193,66,.48);
  --btn-ink:#eef1f3;
  --btn-ink-text:#14161a;
  --shadow:0 1px 2px rgba(0,0,0,.35);
  --glass-surface-1:rgba(30,35,42,.6);
  --glass-surface-2:rgba(18,22,27,.5);
  --glass-strong:rgba(28,33,40,.78);
  --glass-btn:rgba(36,42,50,.5);
  --glass-btn-weak:rgba(255,255,255,.05);
  --glass-border:rgba(255,255,255,.16);
  --glass-line:rgba(255,255,255,.09);
  --glass-highlight:rgba(255,255,255,.18);
  --glass-glow:rgba(180,255,220,.1);
  --glass-sheen:rgba(255,255,255,.12);
  --glass-shadow:0 26px 80px -34px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.14);
  --glass-tint:rgba(18,224,143,.08);
  --glass-rim:linear-gradient(135deg,rgba(255,255,255,.45),rgba(255,255,255,0) 32%,rgba(18,224,143,.18) 50%,rgba(255,255,255,0) 66%,rgba(255,255,255,.18));
  --glow-1:rgba(18,224,143,.13);
  --glow-2:rgba(86,132,255,.09);
  --aura-1:rgba(18,224,143,.13);
  --aura-2:rgba(86,132,255,.1);
  --cursor-glow:rgba(18,224,143,.08);
  --grid-op:.35;
}

/* ============ 3. 基础与排版 ============ */
*{margin:0;padding:0;box-sizing:border-box}

html{
  background:var(--bg);
  scroll-behavior:smooth;
  scroll-snap-type:y mandatory;   /* 滚轮/触摸整屏翻页 */
}

body{
  font-family:var(--font-sans);
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  background:var(--bg);color:var(--ink);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
::selection{background:var(--accent-soft);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px;border-radius:6px}

.skip-link{
  position:absolute;left:1rem;top:-3.5rem;z-index:300;
  padding:.5rem .9rem;border:1px solid var(--hair-2);border-radius:var(--radius-sm);
  background:var(--surface);color:var(--ink);text-decoration:none;font-size:.85rem;
  transition:top .2s;
}
.skip-link:focus{top:1rem}

/* ============ 4. 背景 ============ */
.bg-fx{
  position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:
    radial-gradient(1000px 640px at 50% 0%, var(--glow-1), transparent 62%),
    radial-gradient(800px 560px at 88% 100%, var(--glow-2), transparent 62%),
    var(--bg);
}

}
.bg-fx::before{
  content:'';position:absolute;inset:-15%;z-index:1;
  background:
    radial-gradient(42% 46% at 26% 30%, var(--aura-1), transparent 70%),
    radial-gradient(38% 42% at 74% 66%, var(--aura-2), transparent 70%);
  filter:blur(46px);
  animation:aura-drift 26s ease-in-out infinite alternate;
  will-change:transform;
}
@keyframes aura-drift{
  0%{transform:translate3d(-2%,-1%,0) scale(1)}
  50%{transform:translate3d(3%,2%,0) scale(1.05)}
  100%{transform:translate3d(-1%,3%,0) scale(1.02)}
}
.bg-cursor{
  position:absolute;left:-30vmax;top:-30vmax;z-index:2;
  width:60vmax;height:60vmax;border-radius:50%;
  background:radial-gradient(circle,var(--cursor-glow),transparent 62%);
  transform:translate3d(50vw,35vh,0);
  transition:transform .7s cubic-bezier(.16,1,.3,1);
  will-change:transform;pointer-events:none;
}
@media(pointer:coarse){.bg-cursor{display:none}}

.bg-fx::after{                     /* 纸面点阵 */
  content:'';position:absolute;inset:0;z-index:3;opacity:var(--grid-op);
  background-image:radial-gradient(var(--hair) 1px, transparent 1.2px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 78%);
}

/* ============ 5. 常驻控件 ============ */
.theme-fab{
  position:fixed;top:clamp(.9rem,2.4vh,1.4rem);right:clamp(.9rem,2.4vw,1.5rem);z-index:90;
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-border);background:var(--glass-btn);color:var(--ink-2);
  cursor:pointer;box-shadow:inset 0 1px 0 var(--glass-highlight),var(--shadow);
  -webkit-backdrop-filter:blur(16px) saturate(1.5);backdrop-filter:blur(16px) saturate(1.5);
  transition:color .25s,border-color .25s,transform .35s cubic-bezier(.16,1,.3,1);
}
.theme-fab:hover{color:var(--accent-ink);border-color:var(--accent-ink);transform:rotate(18deg)}
.theme-fab svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
/* 按钮显示"将要切换到的主题" */
html[data-theme="light"] .ico-sun{display:none}
html[data-theme="dark"] .ico-moon{display:none}

.pager{
  position:fixed;right:clamp(.9rem,2.4vw,1.7rem);top:50%;transform:translateY(-50%);z-index:90;
  display:flex;flex-direction:column;align-items:center;gap:.62rem;
}
.pager button{
  width:8px;height:8px;padding:0;border:0;border-radius:99px;
  background:var(--hair-2);cursor:pointer;
  transition:height .3s cubic-bezier(.16,1,.3,1),background .3s;
}
.pager button:hover{background:var(--ink-3)}
.pager button[aria-current="true"]{height:24px;background:var(--accent-ink)}

/* 提示条：从屏幕右上角滑入（落在主题按钮下方，颜色跟随明暗主题） */
.toast{
  position:fixed;z-index:300;
  top:calc(clamp(.9rem,2.4vh,1.4rem) + 52px);
  right:clamp(.9rem,2.4vw,1.5rem);
  max-width:min(340px,calc(100vw - 2.4rem));
  transform:translateX(calc(100% + 2.5rem));
  padding:.7rem 1rem .7rem .85rem;border-radius:12px;
  border:1px solid var(--glass-border);background:var(--glass-strong);color:var(--ink);
  font-size:.85rem;line-height:1.55;box-shadow:var(--glass-shadow);
  -webkit-backdrop-filter:blur(18px) saturate(1.6);backdrop-filter:blur(18px) saturate(1.6);
  opacity:0;pointer-events:none;
  transition:opacity .25s,transform .42s cubic-bezier(.16,1,.3,1);
}
.toast::before{
  content:'';display:inline-block;width:7px;height:7px;margin-right:.5rem;
  border-radius:2px;background:var(--gold);transform:rotate(45deg);vertical-align:.08em;
}
.toast.is-warn::before{background:var(--warn)}
.toast.show{opacity:1;transform:none}

/* 粒子画布 */
.fx-canvas{
  position:fixed;inset:0;width:100%;height:100%;
  z-index:400;pointer-events:none;
}

/* ============ 6. 整屏布局与页头 ============ */
main{position:relative;z-index:1}

.page{
  position:relative;
  min-height:100svh;
  scroll-snap-align:start;
  display:flex;align-items:center;justify-content:center;
  padding:var(--pad-y) var(--pad-x);
}
@supports not (height:100svh){.page{min-height:100vh}}

.page-inner{width:100%;max-width:var(--content-max);margin:0 auto}

.page-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:.8rem 2rem;flex-wrap:wrap;margin-bottom:clamp(1.2rem,3vh,2rem);
}
.page-head h2{
  display:flex;align-items:baseline;gap:.7rem;
  font-size:clamp(1.3rem,2.4vw,1.6rem);font-weight:900;letter-spacing:.01em;line-height:1.4;
}
.page-head h2{position:relative;width:fit-content;padding-bottom:.14rem}
.page-head h2::after{
  content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent-ink),transparent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .45s cubic-bezier(.16,1,.3,1);
}
.page-head h2:hover::after{transform:scaleX(1)}
.page-head p{max-width:32ch;color:var(--ink-2);font-size:.9rem;line-height:1.8}

/* ============ 7. 封面屏 ============ */
.cover-inner{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:clamp(.5rem,1.5vh,.95rem);
}

/* 顶部：当前时间 + 按时间段变化的问候 */
.cover-time{
  min-height:1.2em;
  font-family:var(--font-mono);font-size:.88rem;letter-spacing:.14em;color:var(--ink-3);
}
.cover-time .greet{color:var(--ink-2)}

/* 头像 = 身份牌：点击与悬停范围仅头像本身 */
.id-card{width:min(320px,88vw);height:216px;perspective:1000px}
.id-card-inner{
  position:relative;display:block;width:100%;height:100%;
  transform-style:preserve-3d;
  transition:transform .62s cubic-bezier(.2,.8,.25,1);
}
.id-card.is-flipped .id-card-inner{transform:rotateY(180deg)}

.id-card-face{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;border-radius:18px;
  -webkit-backface-visibility:hidden;backface-visibility:hidden;
}
.id-card-front{gap:0}

/* 只有头像本身可点 */
.avatar-btn{
  padding:0;border:0;background:none;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
}
.avatar-btn:focus-visible{outline:none}
.avatar-btn:focus-visible .cover-avatar{outline:2px solid var(--accent-ink);outline-offset:5px}

.cover-avatar{
  width:clamp(88px,min(16vh,130px),130px);height:auto;aspect-ratio:1;
  border-radius:50%;object-fit:cover;
  border:1px solid var(--hair-2);background:var(--surface);
  box-shadow:0 0 0 8px var(--surface-2),var(--shadow);
  transition:transform .5s cubic-bezier(.16,1,.3,1),box-shadow .45s;
}
.avatar-btn:hover .cover-avatar{transform:translateY(-3px) scale(1.04)}

.id-card-back{
  transform:rotateY(180deg);
  align-items:stretch;justify-content:flex-start;gap:.3rem;
  padding:1rem 1.15rem;text-align:left;
  background:var(--glass-strong);border:1px solid var(--glass-border);
  box-shadow:var(--glass-shadow);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);backdrop-filter:blur(18px) saturate(1.5);
  font:inherit;color:inherit;cursor:pointer;
}
/* 身份牌背面光晕 */
html.egg-broadcast .id-card-back{
  border-color:transparent;
  animation:egg-card-glow 4.5s ease-in-out infinite;
}
@keyframes egg-card-glow{
  0%,100%{box-shadow:0 0 0 2px rgba(255,107,107,.78),0 0 28px 5px rgba(255,107,107,.34),var(--shadow)}
  25%{box-shadow:0 0 0 2px rgba(254,202,87,.78),0 0 32px 6px rgba(254,202,87,.36),var(--shadow)}
  50%{box-shadow:0 0 0 2px rgba(29,209,161,.78),0 0 34px 7px rgba(29,209,161,.36),var(--shadow)}
  75%{box-shadow:0 0 0 2px rgba(72,219,251,.78),0 0 32px 6px rgba(197,108,240,.38),var(--shadow)}
}

.id-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.4rem}
.id-badge{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;color:var(--accent-ink);
  border:1px solid var(--accent-ink);border-radius:4px;padding:.12rem .35rem;
}
.id-pokes{font-family:var(--font-mono);font-size:.66rem;color:var(--ink-3)}
.id-row{display:flex;align-items:baseline;gap:.8rem;font-size:.86rem;line-height:1.55}
.id-row i{font-family:var(--font-mono);font-style:normal;font-size:.7rem;color:var(--ink-3);width:3.4rem;flex-shrink:0}
/* 值与签名行同字体：无衬线、不加粗 */
.id-row b{
  font-family:var(--font-sans);font-weight:400;
  font-size:.9rem;letter-spacing:0;color:var(--ink);
}

.cover-name{
  font-size:clamp(2rem,min(7vw,7.4vh),3.4rem);
  font-weight:900;line-height:1.15;letter-spacing:.01em;
  margin-top:clamp(.3rem,1.2vh,.7rem);
}

.cover-tag{
  font-size:clamp(.9rem,1.7vh,1.02rem);color:var(--ink-2);
}
.cover-tag .dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:.35rem;
  background:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
  animation:pulse 2.6s ease-in-out infinite;vertical-align:middle;
}
@keyframes pulse{50%{opacity:.45}}

.cover-quote{
  max-width:34rem;margin-top:clamp(.2rem,1vh,.5rem);
  font-size:clamp(.92rem,1.8vh,1.06rem);color:var(--ink-2);line-height:1.9;
}

.cover-social{display:flex;gap:.4rem;margin-top:clamp(.5rem,2vh,1.1rem)}
.cover-social a{
  display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--glass-border);background:var(--glass-btn-weak);
  box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(10px) saturate(1.4);backdrop-filter:blur(10px) saturate(1.4);
  color:var(--ink-3);transition:color .25s,background .25s,border-color .25s;
}
.cover-social a:hover{color:var(--accent-ink);background:var(--accent-soft);border-color:var(--accent-ink)}
.cover-social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.scroll-hint{
  position:absolute;left:50%;bottom:clamp(3.4rem,7.4vh,4.6rem);transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.35rem;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;color:var(--ink-3);
}
.scroll-hint svg{
  width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
  animation:float-y 2.2s ease-in-out infinite;
}
@keyframes float-y{50%{transform:translateY(4px)}}

/* 封面入场：整组淡入上浮 + 名字逐字"组合"归位（唯一的入场动效组合） */
html.js .cover-inner > *:not(.cover-name){
  opacity:0;transform:translateY(14px);
  transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);
}
html.js.ready .cover-inner > *:not(.cover-name){opacity:1;transform:none}
html.js.ready .cover-inner > *:nth-child(1){transition-delay:.05s}
html.js.ready .cover-inner > *:nth-child(2){transition-delay:.13s}
html.js.ready .cover-inner > *:nth-child(3){transition-delay:.21s}
html.js.ready .cover-inner > *:nth-child(4){transition-delay:.29s}
html.js.ready .cover-inner > *:nth-child(5){transition-delay:.37s}
html.js.ready .cover-inner > *:nth-child(6){transition-delay:.72s}

/* 签名与引文：拆成字 / 词逐个弹起（JS 生成 .bounce-char；无 JS 时整句淡入） */
html.js .cover-inner > .cover-tag,
html.js .cover-inner > .cover-quote{transition:none}
.bounce-char{display:inline-block;transition:transform .38s cubic-bezier(.16,1,.3,1),color .3s;transition-delay:calc(var(--i,0) * 9ms)}
html.js .cover-tag .bounce-char,
html.js .cover-quote .bounce-char{opacity:0;transform:translateY(18px) scale(.72)}
html.js.ready .cover-tag .bounce-char,
html.js.ready .cover-quote .bounce-char{
  animation:char-bounce .55s cubic-bezier(.2,.9,.3,1) both;
  animation-delay:calc(var(--base,380ms) + var(--i,0) * 11ms);
}
@keyframes char-bounce{
  0%{opacity:0;transform:translateY(18px) scale(.72)}
  55%{opacity:1;transform:translateY(-6px) scale(1.06)}
  78%{transform:translateY(2px) scale(.985)}
  100%{opacity:1;transform:none}
}
html.js .cover-tag .bounce-char.is-done,
html.js .cover-quote .bounce-char.is-done{opacity:1;transform:none;animation:none}
html.js.ready .cover-tag:hover .bounce-char,
html.js.ready .cover-quote:hover .bounce-char{transform:translateY(-3px)}
html.js.ready .cover-tag:hover,
html.js.ready .cover-quote:hover{color:var(--ink)}
.cover-tag,.cover-quote{transition:color .3s}

/* 头像入场：轻轻上浮 + 缩放落定，克制一点，重点仍是头像本身 */
html.js .cover-inner > .id-card{
  opacity:0;transform:translateY(14px) scale(.9);
  transition:opacity .55s ease,transform .8s cubic-bezier(.2,1.15,.35,1);
}
html.js.ready .cover-inner > .id-card{opacity:1;transform:none}

/* Limi 逐字组合出场：每颗字母从不同方向飞入落定 */
.cover-name span{display:inline-block;will-change:transform}
html.js .cover-name span{
  opacity:0;
  transform:translate(var(--dx,0),var(--dy,0)) rotate(var(--rot,0deg)) scale(.72);
  transition:opacity .55s ease,transform .85s cubic-bezier(.16,1,.3,1),color .5s ease;
}
html.js.ready .cover-name span{opacity:1;transform:none}
html.js .cover-name span:nth-child(1){--dx:-48px;--dy:-26px;--rot:-18deg;transition-delay:.12s}
html.js .cover-name span:nth-child(2){--dx:34px;--dy:34px;--rot:16deg;transition-delay:.2s}
html.js .cover-name span:nth-child(3){--dx:-30px;--dy:40px;--rot:-12deg;transition-delay:.28s}
html.js .cover-name span:nth-child(4){--dx:44px;--dy:-30px;--rot:20deg;transition-delay:.36s}
html.js.ready .cover-name:hover span{color:var(--accent-ink)}

/* ============ 8. 项目屏 ============ */
.proj-switch{display:flex;align-items:center;gap:.7rem}
.switch-btn{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-border);background:var(--glass-btn);color:var(--ink-2);
  cursor:pointer;box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(12px) saturate(1.4);backdrop-filter:blur(12px) saturate(1.4);
  transition:color .25s,border-color .25s,opacity .25s,background .25s;
}
.switch-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.switch-btn:hover:not([disabled]){color:var(--accent-ink);border-color:var(--accent-ink)}
.switch-btn[disabled]{opacity:.32;cursor:default}
.proj-counter{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-3)}
.proj-counter b{color:var(--ink);font-weight:700}
.proj-counter i{font-style:normal}

.case{
  position:relative;
  display:flex;flex-direction:column;
  gap:clamp(.9rem,1.8vh,1.2rem);
  border:1px solid var(--glass-border);border-radius:var(--radius);
  background:
    radial-gradient(120% 110% at 8% 0%,var(--glass-glow),transparent 58%),
    radial-gradient(90% 120% at 100% 100%,var(--glass-tint),transparent 62%),
    linear-gradient(140deg,var(--glass-surface-1),var(--glass-surface-2));
  -webkit-backdrop-filter:blur(20px) saturate(1.6);
  backdrop-filter:blur(20px) saturate(1.6);
  box-shadow:var(--glass-shadow);
  padding:clamp(1.6rem,5vh,2.9rem) clamp(.9rem,2vw,1.35rem);
  transition:opacity .3s ease,transform .3s cubic-bezier(.16,1,.3,1);
}
.case::after{
  content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:var(--glass-rim);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;
}
.case.is-switching{opacity:0;transform:translateY(8px)}
.case-empty{padding:2rem;color:var(--ink-3);font-size:.9rem}

/* 第一行：logo + 名称/描述 + 状态 */
.case-head{
  display:flex;align-items:center;gap:clamp(.7rem,1.4vw,1rem);
  padding-bottom:clamp(.7rem,1.4vh,.95rem);border-bottom:1px solid var(--hair);
}

/* 第二行：截图叠卡 + 项目详情 */
.case-main{
  display:grid;grid-template-columns:minmax(0,6.5fr) minmax(0,3.5fr);
  gap:clamp(1.1rem,2.4vw,1.9rem);align-items:stretch;
}
.case-media{display:flex;flex-direction:column;gap:.55rem;min-width:0}

/* 截图叠卡：后两张往右下错开，切换时依次补上来 */
.stack-wrap{padding:0 42px 42px 0}
.shot-stack{position:relative;aspect-ratio:1864/931}
.shot-card{
  position:absolute;inset:0;display:block;padding:0;
  border:1px solid var(--glass-border);border-radius:12px;overflow:hidden;
  background:var(--surface);cursor:zoom-in;transform-origin:50% 50%;
  box-shadow:0 1px 2px rgba(22,24,27,.08),0 24px 48px -26px rgba(22,24,27,.5),inset 0 1px 0 var(--glass-highlight);
  transition:transform .68s cubic-bezier(.16,1,.3,1),opacity .45s ease,box-shadow .4s;
  will-change:transform;
}
.shot-card img{width:100%;height:100%;object-fit:cover;display:block}
.shot-card.pos-0{z-index:3;transform:none;opacity:1;transition-delay:0s}
.shot-card.pos-1{z-index:2;transform:translate(18px,18px) rotate(1.1deg) scale(.978);opacity:1;cursor:pointer;transition-delay:.035s}
.shot-card.pos-2{z-index:1;transform:translate(36px,36px) rotate(2.2deg) scale(.955);opacity:1;cursor:pointer;transition-delay:.07s}
.shot-card.pos-3{z-index:0;transform:translate(48px,48px) rotate(2.6deg) scale(.94);opacity:0;pointer-events:none}
.shot-card:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px}
/* 换图时旧卡片轻轻上浮淡出，下一张从叠层里升起 */
.shot-card.is-leaving{
  z-index:4;pointer-events:none;transform-origin:50% 45%;
  animation:shot-fade .55s cubic-bezier(.22,1,.36,1) forwards;
}
@keyframes shot-fade{
  0%{opacity:1;transform:translate(0,0) scale(1)}
  100%{opacity:0;transform:translate(0,-7px) scale(1.018)}
}

/* 新上来的截图带一道很轻的玻璃反光 */
.shot-card.pos-0::after{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(112deg,transparent 36%,var(--glass-sheen) 49%,transparent 62%);
  transform:translateX(-130%);
  animation:glass-sweep 1.05s cubic-bezier(.2,.8,.3,1) .05s;
}
@keyframes glass-sweep{to{transform:translateX(130%)}}

/* 左右切换箭头 */
.stack-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;padding:0;
  border:1px solid var(--glass-border);color:var(--ink-2);cursor:pointer;
  background:var(--glass-btn);
  -webkit-backdrop-filter:blur(14px) saturate(1.5);backdrop-filter:blur(14px) saturate(1.5);
  box-shadow:inset 0 1px 0 var(--glass-highlight),0 10px 24px -14px rgba(22,24,27,.5);
  transition:color .25s,border-color .25s,transform .2s;
}
.stack-nav:hover{color:var(--accent-ink);border-color:var(--accent-ink)}
.stack-nav:active{transform:translateY(-50%) scale(.94)}
.stack-nav.prev{left:10px}
.stack-nav.next{right:10px}
.stack-nav svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 卡片下方：进度点 + 当前截图名 + 工具按钮 */
.shot-tools{display:flex;align-items:center;gap:.55rem;padding-right:42px}
.shot-dots{display:flex;gap:.4rem}
.shot-dot{
  width:7px;height:7px;padding:0;border:0;border-radius:50%;
  background:var(--hair-2);cursor:pointer;
  transition:background .25s,transform .25s;
}
.shot-dot:hover{background:var(--ink-3)}
.shot-dot.is-active{background:var(--accent-ink);transform:scale(1.25)}
.shot-label{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-3);white-space:nowrap}
.shot-actions{display:flex;gap:.15rem;margin-left:auto}

/* 右栏：项目信息 */
.case-info{display:flex;flex-direction:column;gap:1.1rem;min-width:0}
.case-logo{
  width:50px;height:50px;flex-shrink:0;border-radius:12px;overflow:hidden;
  border:1px solid var(--hair-2);background:#17181b;
}
.case-logo svg{width:100%;height:100%}
.case-title{min-width:0;flex:1}
.case-title h3{font-size:clamp(1.05rem,1.8vw,1.3rem);font-weight:700;line-height:1.4}
.case-title p{color:var(--ink-2);font-size:.87rem;margin-top:.15rem;line-height:1.75}
.case-status{
  display:inline-flex;align-items:center;gap:.45rem;white-space:nowrap;
  padding:.3rem .68rem;border:1px solid var(--glass-border);border-radius:999px;
  background:var(--glass-btn-weak);box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(10px) saturate(1.4);backdrop-filter:blur(10px) saturate(1.4);
  font-size:.74rem;color:var(--ink-2);margin-left:auto;flex-shrink:0;
}
.case-status .dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px var(--ok-soft);animation:pulse 2.6s ease-in-out infinite;
}

.feats{list-style:none;display:grid;gap:.85rem;border-top:1px solid var(--hair);padding-top:1.1rem}
.feats li{font-size:.86rem;color:var(--ink-2);line-height:1.75;transition:transform .3s cubic-bezier(.16,1,.3,1),color .3s}
.feats li:hover{transform:translateX(4px)}
.feats li:hover b{color:var(--accent-ink)}
.feats b{display:block;color:var(--ink);font-weight:700;margin-bottom:.05rem;transition:color .3s}

.case-foot{
  display:flex;align-items:center;justify-content:flex-end;gap:.8rem 1.2rem;
  flex-wrap:wrap;border-top:1px solid var(--hair);padding-top:1rem;margin-top:auto;
}
.link-out{
  display:inline-flex;align-items:center;gap:.4rem;
  color:var(--ink);text-decoration:none;font-size:.88rem;font-weight:500;
  border-bottom:1px solid var(--hair-2);padding-bottom:2px;
  transition:color .25s,border-color .25s;
}
.link-out svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s cubic-bezier(.16,1,.3,1)}
.link-out:hover{color:var(--accent-ink);border-color:var(--accent-ink)}
.link-out:hover svg{transform:translate(2px,-2px)}

/* 截图工具按钮：自动播放 / 放大 */
.shot-zoom,
.shot-play{
  width:28px;height:28px;flex-shrink:0;
  display:grid;place-items:center;border-radius:7px;
  border:1px solid var(--glass-border);background:var(--glass-btn-weak);color:var(--ink-3);cursor:pointer;
  box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:color .25s,border-color .25s,background .25s;
}
.shot-zoom:hover,
.shot-play:hover{color:var(--accent-ink);border-color:var(--accent-ink);background:var(--glass-btn)}
.shot-zoom svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.shot-play svg{width:13px;height:13px}
.shot-play .ico-play{fill:currentColor;stroke:none}
.shot-play .ico-pause{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.shot-play[aria-pressed="false"] .ico-pause{display:none}
.shot-play[aria-pressed="true"] .ico-play{display:none}
.shot-play[aria-pressed="true"]{color:var(--accent-ink)}

/* ============ 8.5 截图放大查看（灯箱） ============ */
html.lightbox-open{overflow:hidden}

.lightbox{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  padding:clamp(1rem,4vh,3rem) clamp(1rem,6vw,5rem);
}
.lightbox[hidden]{display:none}

.lightbox-backdrop{
  position:absolute;inset:0;cursor:zoom-out;
  background:rgba(22,24,27,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
html[data-theme="dark"] .lightbox-backdrop{background:rgba(0,0,0,.82)}

.lightbox-img{
  position:relative;max-width:100%;max-height:100%;
  border-radius:12px;border:1px solid var(--hair-2);background:var(--surface);
  box-shadow:0 40px 120px -40px rgba(0,0,0,.85);
  animation:lb-in .28s cubic-bezier(.16,1,.3,1);
  cursor:zoom-in;
  transition:transform .28s cubic-bezier(.16,1,.3,1);
  will-change:transform;
}
.lightbox-img.is-zoomed{cursor:grab;transition:none}
.lightbox-img.is-dragging{cursor:grabbing}
@keyframes lb-in{from{opacity:0;transform:scale(.97)}}

.lightbox-close{
  position:absolute;top:clamp(.8rem,2.4vh,1.6rem);right:clamp(.8rem,2.4vw,1.6rem);z-index:2;
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-border);background:var(--glass-btn);color:var(--ink);cursor:pointer;
  box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(14px) saturate(1.5);backdrop-filter:blur(14px) saturate(1.5);
  transition:color .25s,border-color .25s,background .25s;
}
.lightbox-close:hover{color:var(--accent-ink);border-color:var(--accent-ink)}
.lightbox-close svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-border);background:var(--glass-btn);color:var(--ink);cursor:pointer;
  box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(14px) saturate(1.5);backdrop-filter:blur(14px) saturate(1.5);
  transition:color .25s,border-color .25s,opacity .25s,background .25s;
}
.lightbox-nav.prev{left:clamp(.6rem,2vw,1.6rem)}
.lightbox-nav.next{right:clamp(.6rem,2vw,1.6rem)}
.lightbox-nav:hover{color:var(--accent-ink);border-color:var(--accent-ink)}
.lightbox-nav[disabled]{opacity:.3;cursor:default}
.lightbox-nav svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.lightbox-count{
  position:absolute;bottom:clamp(.8rem,2.4vh,1.6rem);left:50%;transform:translateX(-50%);z-index:2;
  font-family:var(--font-mono);font-size:.74rem;color:#fff;
  padding:.3rem .75rem;border-radius:999px;background:rgba(0,0,0,.45);
}
.lightbox-count[hidden]{display:none}

/* ============ 9. 关于屏 ============ */
.quote{
  font-size:clamp(1.25rem,min(3vw,3vh),1.8rem);font-weight:900;
  line-height:1.6;letter-spacing:.01em;margin-bottom:clamp(.9rem,2vh,1.4rem);
}
.quote em{
  font-style:normal;color:var(--accent-ink);
  background-image:linear-gradient(90deg,var(--accent-soft),var(--accent-soft));
  background-repeat:no-repeat;background-size:0% 38%;background-position:0 90%;
  transition:background-size .5s cubic-bezier(.16,1,.3,1);
}
.quote:hover em{background-size:100% 38%}

.bio{color:var(--ink-2);margin-bottom:clamp(1.2rem,3vh,2rem)}

.facts{border-top:1px solid var(--hair)}
.facts > div{display:flex;gap:1.2rem;padding:.85rem .1rem;border-bottom:1px solid var(--hair);border-radius:8px;transition:background .3s,padding-left .3s}
.facts > div:hover{background:linear-gradient(90deg,var(--accent-soft),transparent 75%);padding-left:.5rem}
.facts > div:hover dt{color:var(--accent-ink)}
.facts dt{
  width:3.8rem;flex-shrink:0;padding-top:.3rem;
  font-family:var(--font-mono);font-size:.76rem;color:var(--accent-ink);
  transition:color .3s;
}
.facts dd{color:var(--ink-2);font-size:.92rem}

/* 烟花按钮 + 卡布奇诺计数器：一左一右 */
.coffee-row{display:flex;align-items:center;justify-content:space-between;gap:.8rem;margin-top:clamp(1.2rem,3vh,2rem)}
.fw-btn{
  display:inline-grid;place-items:center;width:42px;height:42px;padding:0;flex:0 0 auto;
  border-radius:50%;border:1px solid var(--glass-border);background:var(--glass-btn-weak);
  box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);
  color:var(--ink-2);cursor:pointer;
  transition:color .25s,border-color .25s,background .25s,transform .3s cubic-bezier(.16,1,.3,1);
}
.fw-btn svg{width:19px;height:19px;transition:transform .4s cubic-bezier(.16,1,.3,1)}
.fw-btn:hover{color:var(--accent-ink);border-color:var(--accent-ink);background:var(--accent-soft);transform:translateY(-2px)}
.fw-btn:hover svg{transform:rotate(18deg) scale(1.08)}
.fw-btn:active{transform:translateY(0) scale(.92)}
.fw-btn:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px}
.fw-btn.bump{animation:coffee-bump .35s cubic-bezier(.16,1,.3,1)}
.fw-btn.bump svg{animation:fw-twinkle .45s cubic-bezier(.16,1,.3,1)}
@keyframes fw-twinkle{40%{transform:rotate(30deg) scale(1.22)}}
.coffee{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.6rem 1.05rem;border-radius:999px;
  border:1px solid var(--glass-border);background:var(--glass-btn-weak);
  box-shadow:inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);
  color:var(--ink-2);font-size:.86rem;cursor:pointer;
  transition:color .25s,border-color .25s,background .25s,transform .3s cubic-bezier(.16,1,.3,1);
}
.coffee:hover{color:var(--accent-ink);border-color:var(--accent-ink);background:var(--accent-soft);transform:translateY(-2px)}
.coffee-ico{font-size:1rem;line-height:1}
.coffee-count{font-family:var(--font-mono);font-size:.8rem;color:var(--accent-ink)}
.coffee.bump{animation:coffee-bump .35s cubic-bezier(.16,1,.3,1)}
@keyframes coffee-bump{40%{transform:scale(1.06)}}

/* ============ 10. 屏幕底部落款 ============ */
.colophon{
  position:fixed;left:50%;bottom:clamp(.75rem,2vh,1.15rem);transform:translateX(-50%);z-index:60;
  font-size:.75rem;color:var(--ink-3);white-space:nowrap;
  pointer-events:none;
}
.colophon-link{
  color:inherit;text-decoration:none;pointer-events:auto;
  border-bottom:1px solid transparent;
  transition:color .25s,border-color .25s;
}
.colophon-link:hover{color:var(--accent-ink);border-color:var(--accent-ink)}
.egg-bar{display:inline-flex;gap:.3rem;margin-left:.65rem;vertical-align:middle}
.egg-bar i{
  width:7px;height:7px;border-radius:2px;background:var(--hair-2);
  transition:background .35s,transform .35s;
}
.egg-bar i.on{background:var(--gold);transform:rotate(45deg)}
.egg-bar i.pop{animation:egg-pop .5s cubic-bezier(.2,1.5,.4,1)}
@keyframes egg-pop{
  0%{transform:rotate(45deg) scale(.55)}
  60%{transform:rotate(45deg) scale(1.4)}
  100%{transform:rotate(45deg) scale(1)}
}

/* 头像金色光晕 */
html.egg-complete .cover-avatar{animation:avatar-glow 3.8s ease-in-out infinite}
@keyframes avatar-glow{
  0%,100%{filter:drop-shadow(0 0 6px var(--gold-glow-1))}
  50%{filter:drop-shadow(0 0 18px var(--gold-glow-2))}
}

/* ============ 11. 主题切换：以按钮为圆心的径向揭开 ============ */
::view-transition-old(root),
::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-old(root){z-index:1}
::view-transition-new(root){z-index:2;animation:theme-reveal .55s cubic-bezier(.22,1,.36,1)}
@keyframes theme-reveal{
  from{clip-path:circle(0 at var(--tx,50vw) var(--ty,10vh))}
  to{clip-path:circle(140vmax at var(--tx,50vw) var(--ty,10vh))}
}

/* ============ 12. 响应式与动效降级 ============ */
@media(max-width:1080px){
  /* 屏幕窄时改为"接近吸附"，并让项目卡堆叠，避免长内容被强行整屏卡住 */
  html{scroll-snap-type:y proximity}
  .case-main{grid-template-columns:1fr}
  .case-foot{margin-top:.2rem}
  /* 给底部落款留出安全带，内容滚到底也不压字 */
  .page{padding-bottom:calc(var(--pad-y) + 4rem)}
}

@media(max-width:640px){
  .page-head{flex-direction:column;align-items:flex-start;gap:.55rem}
  .page-head p{max-width:100%}
  .facts > div{flex-direction:column;gap:.15rem;padding:.7rem .1rem}
  .facts dt{width:auto;padding-top:0}
  .pager{right:.5rem}
  .colophon{font-size:.7rem}
  .coffee-row{gap:.55rem}
  .fw-btn{width:38px;height:38px}

  /* 灯箱：左右切换键移到底部两侧，避免遮住图片 */
  .lightbox{padding:3.2rem .8rem 4.4rem}
  .lightbox-nav{top:auto;bottom:.9rem;transform:none;width:40px;height:40px}
  .lightbox-nav.prev{left:1rem}
  .lightbox-nav.next{right:1rem}
  .lightbox-count{bottom:1.15rem}

  /* 项目头：窄屏改两列网格，状态移到描述下方并靠右 */
  .case-head{
    display:grid;grid-template-columns:50px minmax(0,1fr);
    gap:.5rem .7rem;align-items:start;
  }
  .case-title{grid-column:2}
  .case-status{grid-column:2;justify-self:end;margin-left:0}
  .stack-wrap{padding:0 26px 26px 0}
  .shot-tools{padding-right:26px}
  .shot-dots{gap:.32rem}
  .shot-dot{width:6px;height:6px}
  .shot-label{display:none}
  .stack-nav{width:32px;height:32px}
  .stack-nav.prev{left:6px}
  .stack-nav.next{right:6px}
  .shot-card.pos-1{transform:translate(11px,11px) rotate(.7deg) scale(.98)}
  .shot-card.pos-2{transform:translate(22px,22px) rotate(1.4deg) scale(.96)}
}

/* 矮屏（笔记本等）：压缩纵向留白 + 限制截图高度，保证项目屏一屏放得下 */
@media(max-height:840px){
  :root{--pad-y:1.9rem}
  .page-head{margin-bottom:.9rem}
}
@media(min-width:1081px) and (max-height:840px){
  .case-media{max-width:calc((100svh - 360px) * 2)}
}

/* 更矮的屏幕（小笔记本 / 分屏）：进一步收紧 */
@media(max-height:680px){
  .feats{gap:.7rem;padding-top:.9rem}
}

/* 矮屏（横屏手机等）：压缩封面，保证一屏完整 */
@media(max-height:560px){
  .page{padding-bottom:calc(var(--pad-y) + 1.6rem)}   /* 收窄底部安全带，避免撑出屏幕 */
  .cover-avatar{width:clamp(64px,14vh,90px)}
  .cover-quote{display:none}
  .scroll-hint{display:none}
  .cover-inner{gap:.45rem}
  .cover-time{display:none}
  .id-card{height:152px;width:min(280px,90vw)}
  .id-card-back{padding:.7rem .95rem;gap:.12rem}
  .id-head{margin-bottom:.2rem}
  .id-row{font-size:.78rem;line-height:1.4}
  .id-row i{width:3rem;font-size:.64rem}
  .id-row b{font-size:.86rem}
}

/* 不支持 backdrop-filter 时退回实体表面 */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .case,.id-card-back,.toast{background:var(--surface)}
  .theme-fab,.switch-btn,.stack-nav,.shot-play,.shot-zoom,.case-status,.coffee,.lightbox-close,.lightbox-nav,.cover-social a{background:var(--surface)}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js .cover-inner > *{opacity:1;transform:none}
  html.js .cover-tag .bounce-char,
  html.js .cover-quote .bounce-char{opacity:1;transform:none;animation:none}
}