:root{
  --bg:#f4f6fa;
  --bg2:#eef2f7;
  --card:#ffffff;
  --card2:#f8fafc;
  --line:#e3e9f0;
  --line2:#d3dce6;
  --cyan:#0e7490;
  --cyan2:#0369a1;
  --amber:#b45309;
  --orange:#c2410c;
  --green:#047857;
  --text:#0f172a;
  --muted:#5a6b80;
  --radius:14px;
  --radius-lg:18px;
  --shadow-sm:0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 8px 24px rgba(15,23,42,.08);
  --shadow-lg:0 20px 48px rgba(15,23,42,.12);
  --glow-cyan:0 0 0 1px rgba(14,116,144,.14), 0 10px 30px rgba(14,116,144,.10);
  --ease:cubic-bezier(.22,.9,.28,1);
  --nav-h:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
::selection{background:rgba(14,116,144,.18);color:#04222b}
a{color:inherit;text-decoration:none}
.container{max-width:880px;margin:0 auto;padding:0 24px}
section{position:relative}
:where(section,header)[id]{scroll-margin-top:calc(var(--nav-h) + 18px)}

/* ---------- 全局可访问性 & 排版优化 ---------- */
.skip-link{
  position:fixed;top:12px;left:50%;transform:translate(-50%,-200%);z-index:400;
  padding:10px 22px;border-radius:11px;font-size:14px;font-weight:700;
  background:var(--cyan);color:#fff;box-shadow:var(--shadow-md);
  transition:transform .32s var(--ease);
}
.skip-link:focus{transform:translate(-50%,0)}
:where(a,button,.btn):focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:12px;
}
h1,h2,h3{text-wrap:balance}
.sec-head p{max-width:640px;margin:0 auto;line-height:1.75}
.card p,.post-copy p,.pet-copy p,.about .quote,.cta p{text-wrap:pretty}

/* ---------- 完全移除滚动条(保留滚动能力) ---------- */
html{scrollbar-width:none;-ms-overflow-style:none}
::-webkit-scrollbar{display:none;width:0;height:0}
::-webkit-scrollbar-track{display:none}
::-webkit-scrollbar-thumb{display:none}

/* 顶部滚动进度条 */
.progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:300;
  background:linear-gradient(90deg,var(--cyan),var(--cyan2),var(--amber));
  transition:width .1s linear;
}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:26px;z-index:120;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;cursor:pointer;font-size:18px;color:var(--cyan);
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border:1px solid var(--line2);
  box-shadow:var(--shadow-md);opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;
  transition:all .35s var(--ease);
}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-3px)}
@media(max-width:640px){.to-top{right:16px;bottom:18px;width:42px;height:42px}}

/* ---------- 导航 ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);
  background:rgba(255,255,255,.78);border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
nav.scrolled{
  background:rgba(255,255,255,.92);border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(15,23,42,.06);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.5px;flex-shrink:0}
.logo-badge{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#fff;
  font-size:16px;font-weight:800;box-shadow:0 4px 14px rgba(14,116,144,.28);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.logo:hover .logo-badge{transform:rotate(-8deg) scale(1.08);box-shadow:0 6px 20px rgba(14,116,144,.4)}
.logo em{font-style:normal;color:var(--amber)}
.nav-links{display:flex;gap:4px;font-size:14.5px;color:var(--muted)}
.nav-links a{
  position:relative;padding:7px 13px;border-radius:9px;transition:color .25s,background .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--cyan2));
  transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(15,23,42,.04)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--cyan)}
.nav-cta{
  padding:9px 21px;border-radius:11px;font-size:14px;font-weight:600;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#fff;
  box-shadow:0 4px 16px rgba(14,116,144,.25);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  position:relative;overflow:hidden;
}
.nav-cta::before{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);
  transition:left .65s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(14,116,144,.35)}
.nav-cta:hover::before{left:130%}

/* 移动端菜单 */
.nav-burger{
  display:none;width:40px;height:40px;border-radius:11px;cursor:pointer;
  border:1px solid var(--line);background:rgba(15,23,42,.03);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;flex-shrink:0;
}
.nav-burger span{
  display:block;width:17px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .3s var(--ease),opacity .2s;
}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  display:none;flex-direction:column;gap:4px;padding:10px 24px 20px;
  border-top:1px solid var(--line);background:rgba(255,255,255,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.nav-drawer.open{display:flex;animation:drawerIn .3s var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.nav-drawer a{
  padding:12px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:background .2s,color .2s;
}
.nav-drawer a:hover,.nav-drawer a.active{background:rgba(14,116,144,.07);color:var(--cyan)}
@media(max-width:920px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .nav-cta{padding:8px 15px;font-size:13.5px}
}

/* ---------- Hero ---------- */
.hero{padding:150px 0 92px;text-align:center;position:relative;isolation:isolate}
.hero .tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;
  border:1px solid rgba(14,116,144,.28);background:rgba(14,116,144,.06);
  color:var(--cyan);font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:26px;
  animation:fadeUp .8s var(--ease) both;
}
.hero .tag .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(14,116,144,.35)}50%{opacity:.6;box-shadow:0 0 0 6px rgba(14,116,144,0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero h1{
  font-size:clamp(38px,6vw,62px);font-weight:800;line-height:1.16;letter-spacing:.5px;
  color:var(--text);margin-bottom:22px;animation:fadeUp .8s .1s var(--ease) both;
}
.hero h1 .star{color:var(--amber);font-weight:800}
.hero .sub{
  font-size:clamp(16px,2.4vw,19px);color:var(--muted);max-width:760px;margin:0 auto 14px;
  animation:fadeUp .8s .2s var(--ease) both;
}
.hero .sub b{color:var(--text);font-weight:600}
.hero .ver{
  display:inline-block;margin-top:6px;padding:6px 16px;border-radius:9px;font-size:13px;
  background:var(--card);border:1px solid var(--line);color:var(--muted);
  animation:fadeUp .8s .28s var(--ease) both;
}
.hero-btns{display:flex;gap:16px;justify-content:center;margin-top:38px;flex-wrap:wrap;animation:fadeUp .8s .36s var(--ease) both}
.hero::before{
  content:"";position:absolute;top:-80px;left:50%;transform:translateX(-50%);z-index:-1;
  width:min(920px,92%);height:560px;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(14,116,144,.05),transparent 66%);
}
.scroll-cue{
  display:inline-flex;flex-direction:column;align-items:center;gap:7px;margin-top:52px;
  color:var(--muted);font-size:11.5px;font-weight:700;letter-spacing:3px;
  animation:fadeUp .8s .52s var(--ease) both;transition:color .3s;
}
.scroll-cue:hover{color:var(--cyan)}
.scroll-cue .chev{width:22px;height:22px;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(7px);opacity:1}}
@media (max-width:640px){.scroll-cue{margin-top:40px}}
.btn{
  padding:14px 34px;border-radius:13px;font-size:15.5px;font-weight:700;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .25s,color .25s,background .25s;
  display:inline-flex;align-items:center;gap:9px;position:relative;overflow:hidden;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#fff;
  box-shadow:0 8px 24px rgba(14,116,144,.28);
}
.btn-primary::before{
  content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transition:left .7s var(--ease);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(14,116,144,.35)}
.btn-primary:hover::before{left:140%}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line2);color:var(--text);background:var(--card)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-3px);background:rgba(14,116,144,.05)}

/* ---------- 统计条 ---------- */
.stats{
  margin-top:70px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 16px;text-align:center;
  position:relative;overflow:hidden;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
.stat::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:opacity .35s;
}
.stat:hover{transform:translateY(-5px);border-color:rgba(14,116,144,.3);box-shadow:var(--shadow-md)}
.stat:hover::before{opacity:1}
.stat .num{
  font-size:clamp(30px,4.5vw,44px);font-weight:800;color:var(--cyan);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat .num.orange{color:var(--orange)}.stat .num.green{color:var(--green)}.stat .num.amber{color:var(--amber)}
.stat .num .suffix{font-size:.6em;margin-left:1px}
.stat .lbl{margin-top:8px;font-size:13.5px;color:var(--muted)}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr);gap:14px}}

/* ---------- 区块通用 ---------- */
.sec{padding:84px 0}
.sec + .sec{border-top:1px solid var(--line)}
.sec-head{text-align:center;max-width:730px;margin:0 auto 52px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:3px;
  color:var(--cyan);margin-bottom:14px;text-transform:uppercase;
}
.sec-head .eyebrow::before,.sec-head .eyebrow::after{
  content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan));
}
.sec-head .eyebrow::after{background:linear-gradient(90deg,var(--cyan),transparent)}
.sec-head h2{
  font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:16px;letter-spacing:.5px;color:var(--text);
}
.sec-head p{color:var(--muted);font-size:16px}

/* ---------- 卡片(单列 · 横向行式) ---------- */
.features{display:grid;grid-template-columns:1fr;gap:16px}
.card{
  --accent:14,116,144;
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 28px;
  transition:transform .38s var(--ease),border-color .35s,box-shadow .38s var(--ease);
  position:relative;overflow:hidden;isolation:isolate;
  display:flex;gap:20px;align-items:flex-start;
}
.card.orange{--accent:194,65,12}
.card.green{--accent:4,120,87}
.card.amber{--accent:180,83,9}
.card::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:0;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(var(--accent),.06),transparent 64%);
  transition:opacity .4s;
}
.card:hover{
  transform:translateY(-4px);border-color:rgba(var(--accent),.4);
  box-shadow:var(--shadow-md);
}
.card:hover::after{opacity:1}
@media (hover:none){
  .card::after{display:none}
  .card{transform:none !important}
}
.card .icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;flex-shrink:0;
  color:rgb(var(--accent));
  background:rgba(var(--accent),.08);border:1px solid rgba(var(--accent),.2);
  transition:transform .4s var(--ease),box-shadow .4s;
}
.card .icon svg{width:26px;height:26px;display:block}
.card:hover .icon{transform:translateY(-2px) scale(1.05);box-shadow:0 10px 24px rgba(var(--accent),.16)}
.card .body{min-width:0;flex:1}
.card h3{font-size:19px;font-weight:700;margin-bottom:8px;transition:color .3s}
.card:hover h3{color:rgb(var(--accent))}
.card p{font-size:14.5px;color:var(--muted)}
.card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.card .tags span{
  font-size:12px;padding:4px 11px;border-radius:999px;color:var(--muted);
  background:var(--bg2);border:1px solid var(--line);transition:all .25s;
}
.card:hover .tags span{border-color:rgba(var(--accent),.26);color:var(--text)}

/* ---------- 后处理专区 ---------- */
.post{
  background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.post-grid{display:grid;grid-template-columns:1fr;gap:40px}
.post-copy h2{font-size:clamp(28px,4vw,38px);font-weight:800;margin-bottom:18px;color:var(--text)}
.post-copy h2 em{font-style:normal;color:var(--amber)}
.post-copy .lead{color:var(--muted);font-size:16px;margin-bottom:26px}
.post-list{display:grid;grid-template-columns:1fr;gap:10px}
.post-list .item{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);
  padding:13px 16px;border-radius:12px;background:var(--card);border:1px solid var(--line);
  transition:border-color .25s,transform .3s var(--ease),box-shadow .25s;
}
.post-list .item:hover{
  border-color:rgba(180,83,9,.4);transform:translateX(4px);box-shadow:var(--shadow-sm);
}
.post-list .item .chk{
  color:var(--amber);font-weight:800;flex-shrink:0;width:19px;height:19px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;background:rgba(180,83,9,.1);
  border:1px solid rgba(180,83,9,.28);
}
.post-visual{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--card);padding:26px;
  position:relative;overflow:hidden;box-shadow:var(--shadow-md);
}
.post-sys{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px;position:relative;z-index:1}
.post-sys span{
  font-size:12.5px;padding:6px 14px;border-radius:999px;font-weight:600;cursor:default;
  background:rgba(180,83,9,.07);border:1px solid rgba(180,83,9,.22);color:var(--amber);
  transition:transform .28s var(--ease),background .25s,box-shadow .28s;
}
.post-sys span:hover{
  transform:translateY(-3px);background:rgba(180,83,9,.13);
  box-shadow:0 8px 18px rgba(180,83,9,.12);
}
/* 终端窗口(浅色主题中的深色对比焦点) */
.code-win{
  border:1px solid #d8dfe8;border-radius:12px;overflow:hidden;background:#0f172a;
  position:relative;z-index:1;box-shadow:var(--shadow-md);
}
.code-bar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.08);
}
.code-bar i{width:11px;height:11px;border-radius:50%;display:block}
.code-bar i:nth-child(1){background:#ff5f57}
.code-bar i:nth-child(2){background:#febc2e}
.code-bar i:nth-child(3){background:#28c840}
.code-bar .fname{
  margin-left:8px;font-size:12px;color:rgba(226,232,240,.6);
  font-family:"Cascadia Code","Consolas",monospace;letter-spacing:.4px;
}
.code-bar .live{
  margin-left:auto;font-size:10.5px;font-weight:700;letter-spacing:1px;color:#34d399;
  display:flex;align-items:center;gap:5px;
}
.code-bar .live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#34d399;animation:pulse 1.8s infinite;
}
.post-code{
  font-family:"Cascadia Code","Consolas",monospace;font-size:12.8px;color:rgba(226,232,240,.72);
  background:transparent;padding:18px;line-height:1.95;overflow-x:auto;position:relative;
  counter-reset:ln;
}
.post-code .ln{display:block;position:relative;padding-left:30px;transition:background .2s}
.post-code .ln::before{
  counter-increment:ln;content:counter(ln);position:absolute;left:0;width:20px;text-align:right;
  color:rgba(148,163,184,.4);font-size:11.5px;user-select:none;
}
.post-code .ln:hover{background:rgba(34,211,238,.08)}
.post-code .c1{color:#22d3ee}.post-code .c2{color:#fbbf24}.post-code .c3{color:#34d399;font-style:italic}
/* 扫描线 */
.code-win .scan{
  position:absolute;left:0;right:0;height:44px;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.06),transparent);
  animation:scan 7s linear infinite;
}
@keyframes scan{0%{top:-70px}100%{top:100%}}

/* ---------- 桌宠 ---------- */
.pet{
  display:grid;grid-template-columns:1fr;gap:40px;align-items:center;justify-items:center;text-align:center;
}
.pet-visual{position:relative;min-height:360px;display:grid;place-items:center}
.pet-ring{
  width:280px;height:280px;border-radius:50%;position:relative;
  background:conic-gradient(from 0deg,rgba(14,116,144,.35),transparent 38%,rgba(180,83,9,.3),transparent 78%);
  animation:spin 14s linear infinite;filter:blur(.5px);
}
.pet-ring::after{
  content:"";position:absolute;inset:-30px;border-radius:50%;
  background:conic-gradient(from 180deg,transparent,rgba(3,105,161,.16),transparent 45%);
  animation:spin 21s linear infinite reverse;
}
@keyframes spin{to{transform:rotate(360deg)}}
.pet-core{
  position:absolute;width:190px;height:190px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 35% 28%,var(--card2),var(--card) 68%,var(--bg2));
  border:1px solid var(--line2);color:var(--cyan);
  box-shadow:var(--shadow-md);
  animation:breathe 5s ease-in-out infinite;
}
.pet-core svg{width:88px;height:88px;display:block}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.035)}}
/* 环绕小圆点 */
.pet-orbit{position:absolute;width:320px;height:320px;animation:spin 18s linear infinite}
.pet-orbit i{
  position:absolute;width:9px;height:9px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 12px rgba(14,116,144,.4);
}
.pet-orbit i:nth-child(1){top:0;left:50%;margin-left:-4px}
.pet-orbit i:nth-child(2){bottom:14%;right:6%;background:var(--amber);box-shadow:0 0 12px rgba(180,83,9,.4)}
.pet-orbit i:nth-child(3){bottom:14%;left:6%;background:var(--green);box-shadow:0 0 12px rgba(4,120,87,.4)}
.pet-bubble{
  position:absolute;top:26px;right:6%;background:var(--card);border:1px solid var(--line2);
  padding:12px 18px;border-radius:14px;font-size:14px;color:var(--text);z-index:2;
  box-shadow:var(--shadow-md);animation:float 3.5s ease-in-out infinite;
}
.pet-bubble::after{
  content:"";position:absolute;bottom:-8px;left:24px;width:16px;height:16px;
  background:var(--card);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transform:rotate(45deg);
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.pet-copy h2{font-size:clamp(26px,3.6vw,36px);font-weight:800;margin-bottom:18px;color:var(--text)}
.pet-copy h2 em{font-style:normal;color:var(--cyan)}
.pet-copy p{color:var(--muted);margin-bottom:22px;font-size:15.5px}
.pet-models{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.pet-models .m{
  padding:10px 18px;border-radius:11px;background:var(--card);border:1px solid var(--line);
  font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;transition:all .2s;
}
.pet-models .m:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-3px);box-shadow:var(--shadow-sm)}

/* ---------- 版本更新日志 ---------- */
.changelog-sec{background:var(--bg2)}
.changelog{position:relative;max-width:760px;margin:0 auto;padding-left:30px}
.changelog::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--cyan),var(--line2));
}
.cl-item{position:relative;margin-bottom:26px}
.cl-item:last-child{margin-bottom:0}
.cl-dot{
  position:absolute;left:-30px;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--bg2);border:2px solid var(--line2);transition:border-color .3s;
}
.cl-item.current .cl-dot{
  border-color:var(--cyan);background:var(--cyan);
  box-shadow:0 0 0 4px rgba(14,116,144,.12);
}
.cl-card{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 26px;
  transition:transform .35s var(--ease),border-color .3s,box-shadow .35s;
}
.cl-card:hover{transform:translateX(4px);border-color:var(--line2);box-shadow:var(--shadow-sm)}
.cl-item.current .cl-card{border-color:rgba(14,116,144,.35);box-shadow:var(--glow-cyan)}
.cl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.cl-ver{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.5px}
.cl-item.current .cl-ver{color:var(--cyan)}
.badge-current{
  font-size:11.5px;font-weight:700;padding:3px 11px;border-radius:999px;
  background:rgba(14,116,144,.08);border:1px solid rgba(14,116,144,.28);color:var(--cyan);
}
.cl-date{margin-left:auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.cl-list{list-style:none;display:grid;gap:9px}
.cl-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--muted);line-height:1.65;
}
.cl-list li::before{
  content:"✓";position:absolute;left:0;top:1px;color:var(--cyan);font-weight:800;font-size:12px;
}
.cl-list li b{color:var(--text);font-weight:600}
@media(max-width:640px){
  .changelog{padding-left:22px}
  .cl-dot{left:-22px;width:14px;height:14px}
  .cl-card{padding:18px 18px}
  .cl-date{margin-left:0}
}

/* ---------- 其他特性 ---------- */
.misc{display:grid;grid-template-columns:1fr;gap:16px}

/* ---------- 关于/作者 ---------- */
.about{
  text-align:center;background:var(--bg2);
  border-top:1px solid var(--line);padding:110px 0 96px;
}
.about .avatar{
  width:128px;height:128px;border-radius:50%;margin:0 auto 24px;display:block;object-fit:cover;
  border:3px solid rgba(180,83,9,.3);
  box-shadow:var(--shadow-md),0 0 0 8px rgba(180,83,9,.05);
  background:var(--card);transition:transform .45s var(--ease),box-shadow .45s;
}
.about .avatar:hover{
  transform:scale(1.07) rotate(3deg);
  box-shadow:0 16px 44px rgba(180,83,9,.2),0 0 0 10px rgba(180,83,9,.08);
}
.about h2{font-size:clamp(26px,3.6vw,36px);font-weight:800;margin-bottom:14px;color:var(--text)}
.about .quote{
  font-size:16px;color:var(--muted);max-width:660px;margin:0 auto 28px;position:relative;
  border-left:3px solid var(--amber);padding:16px 20px;text-align:left;line-height:2;
  background:linear-gradient(90deg,rgba(180,83,9,.05),transparent);border-radius:0 14px 14px 0;
}
.about .q-mark{color:var(--amber);font-weight:800}
.about .donate{
  display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:12px;
  border:1px dashed rgba(180,83,9,.45);background:rgba(180,83,9,.06);color:var(--amber);
  font-weight:600;font-size:15px;transition:all .25s;cursor:pointer;margin-top:12px;
}
.about .donate:hover{background:rgba(180,83,9,.12);transform:translateY(-2px)}

/* ---------- 打赏者墙 ---------- */

/* 左侧固定打赏面板（桌面端） */
.donor-sidebar{
  position:fixed;left:20px;top:50%;transform:translateY(-50%);
  z-index:40;width:300px;max-height:calc(100vh - 100px);
  display:flex;flex-direction:column;
  background:rgba(255,255,255,.94);backdrop-filter:blur(18px);
  border:1px solid var(--line2);border-radius:20px;
  box-shadow:var(--shadow-lg);
  overflow:hidden;animation:donorSlideIn .5s var(--ease) both;
}
@keyframes donorSlideIn{from{opacity:0;transform:translateY(-50%) translateX(-30px)}to{opacity:1;transform:translateY(-50%) translateX(0)}}
.donor-sidebar-head{
  padding:13px 16px 9px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;flex-shrink:0;
}
.donor-sidebar-head .ds-icon{font-size:15px}
.donor-sidebar-head h3{font-size:14px;font-weight:700;color:var(--text);margin:0}
.donor-sidebar-head h3 span{color:var(--amber)}
.donor-sidebar-body{
  flex:1;overflow-y:auto;padding:12px 14px;
  display:flex;flex-direction:column;gap:10px;
}

/* 侧边栏内打赏卡片（紧凑竖版 · 两列网格） */
.donor-sidebar-body{
  display:grid!important;grid-template-columns:1fr 1fr;gap:6px 8px;
  padding:10px 12px!important;align-content:start;
}
.ds-card{
  position:relative;overflow:visible;
  display:flex;flex-direction:column;align-items:center;gap:5px;padding:16px 6px 10px;
  background:var(--card);
  border:1px solid var(--line2);
  border-radius:13px;cursor:pointer;transition:all .22s var(--ease);
  animation:gbIn .35s var(--ease) both;text-align:center;
}
.ds-card::after{
  content:"";position:absolute;inset:0;border-radius:13px;padding:1px;pointer-events:none;
  background:linear-gradient(115deg,transparent 25%,rgba(180,83,9,.4),transparent 75%);
  background-size:200% 200%;opacity:0;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  animation:dsShimmer 5s linear infinite;
}
@keyframes dsShimmer{0%{background-position:0% 50%;opacity:0}50%{opacity:.7}100%{background-position:200% 50%;opacity:0}}
.ds-card:hover{
  transform:translateY(-3px) scale(1.03);
  background:rgba(180,83,9,.05);
  border-color:rgba(180,83,9,.28);box-shadow:0 6px 18px rgba(180,83,9,.12);
  overflow:visible;z-index:5;
}
.ds-card.rank1{border-color:rgba(180,83,9,.38);background:rgba(180,83,9,.05)}
.ds-card-ava{
  width:48px;height:48px;border-radius:50%;overflow:hidden;
  position:relative;background:var(--bg2);display:flex;align-items:center;justify-content:center;
  flex-shrink:0;box-shadow:0 2px 8px rgba(15,23,42,.08),0 0 0 1.5px rgba(180,83,9,.15);
}
.ds-card.rank1 .ds-card-ava{box-shadow:0 2px 12px rgba(180,83,9,.25),0 0 0 2px rgba(180,83,9,.4)}
.ds-card-ava img{width:100%;height:100%;object-fit:cover;display:block;border-radius:50%;position:relative;z-index:1}
.ds-card-ava.mystery{background:var(--bg2)}
.ds-card-ava .m-icon{font-size:18px;line-height:1}
.ds-card-ava .m-label{display:none}
.ds-card-info{width:100%;min-width:0;overflow:visible;padding-top:2px}
.ds-card-name{
  font-weight:700;font-size:11.5px;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  line-height:1.2;display:flex;align-items:center;justify-content:center;gap:3px;
}
.ds-card-name span{color:var(--amber);font-size:9px;font-weight:800}
.ds-card-crown{position:absolute;top:-9px;left:50%;transform:translateX(-50%);font-size:14px;line-height:1;z-index:3;filter:drop-shadow(0 2px 4px rgba(15,23,42,.15));pointer-events:none}
.ds-card-badge{
  position:absolute;bottom:-1px;right:-1px;width:16px;height:16px;border-radius:50%;
  display:grid;place-items:center;font-size:9px;font-weight:800;color:#fff;z-index:2;
  border:1.5px solid var(--card);
}
.ds-card-badge.b1{background:linear-gradient(135deg,#fbbf24,#d97706)}
.ds-card-badge.b2{background:linear-gradient(135deg,#cbd5e1,#94a3b8)}
.ds-card-badge.b3{background:linear-gradient(135deg,#fdba74,#c2703a)}

/* 侧边栏空状态 */
.ds-empty{text-align:center;color:var(--muted);font-size:12.5px;padding:24px 0}

/* 关闭按钮 */
.donor-close{
  position:absolute;top:8px;right:8px;width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  background:none;border:1px solid transparent;border-radius:8px;
  color:var(--muted);cursor:pointer;font-size:14px;transition:all .2s;z-index:1;
}
.donor-close:hover{color:#dc2626;background:rgba(220,38,38,.06);border-color:rgba(220,38,38,.18)}

/* 收起状态 */
.donor-sidebar.minimized{width:48px;height:auto;max-height:none;border-radius:14px;cursor:pointer}
.donor-sidebar.minimized .donor-sidebar-head{justify-content:center;padding:12px 0;border-bottom:none}
.donor-sidebar.minimized .donor-sidebar-head h3,
.donor-sidebar.minimized .donor-sidebar-head .ds-icon,
.donor-sidebar.minimized .donor-sidebar-body,
.donor-sidebar.minimized .donor-close{display:none}
.donor-sidebar.minimized:hover{border-color:var(--amber);box-shadow:0 0 24px rgba(180,83,9,.12)}
.donor-sidebar.minimized::after{content:'💰';font-size:20px}
.donate-sec{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  background:var(--bg2);
}
.donate-sec::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 18% 28%, rgba(180,83,9,.35), transparent),
    radial-gradient(2px 2px at 72% 18%, rgba(14,116,144,.3), transparent),
    radial-gradient(1.5px 1.5px at 40% 68%, rgba(14,116,144,.22), transparent),
    radial-gradient(2px 2px at 86% 58%, rgba(180,83,9,.28), transparent),
    radial-gradient(1.5px 1.5px at 56% 44%, rgba(14,116,144,.2), transparent),
    radial-gradient(1.5px 1.5px at 30% 82%, rgba(14,116,144,.24), transparent);
  background-repeat:no-repeat;
  animation:sparkleTwinkle 3.6s ease-in-out infinite alternate;
}
.donate-sec .container{position:relative;z-index:1}
@keyframes sparkleTwinkle{0%{opacity:.3}100%{opacity:.95}}
.donate-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
  max-width:640px;margin:0 auto 56px;
}
@media(max-width:640px){.donate-stats{grid-template-columns:1fr}}
.ds-item{background:var(--card);padding:28px 16px;text-align:center;border:1px solid var(--line);border-radius:var(--radius)}
.ds-num{
  font-size:clamp(24px,3.6vw,34px);font-weight:800;color:var(--amber);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.ds-num.green{color:var(--green)}
.ds-num.cyan{color:var(--cyan)}
.ds-lbl{margin-top:6px;font-size:13px;color:var(--muted)}

.donor-wall{
  position:relative;max-width:1040px;margin:0 auto;overflow:hidden;
  -webkit-mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
          mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
}
.donor-track{
  display:flex;gap:16px;width:max-content;padding:72px 0 28px;
  animation:donorScroll 48s linear infinite;will-change:transform;
}
.donor-track:hover{animation-play-state:paused}
@keyframes donorScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.donor-track{animation:none}}
.donor{
  position:relative;aspect-ratio:1;border-radius:16px;overflow:visible;cursor:pointer;outline:none;
  background:var(--card);padding:2px;flex:0 0 88px;width:88px;
  opacity:0;transform:translateY(16px) scale(.92);
  transition:opacity .6s ease,transform .6s var(--ease),box-shadow .3s;
}
.donor::before{
  content:"";position:absolute;inset:0;border-radius:16px;padding:2px;
  background:linear-gradient(115deg,var(--amber),var(--cyan),var(--amber),transparent 72%);
  background-size:300% 300%;
  animation:donorShimmer 5s linear infinite;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;transition:background .35s;
}
@keyframes donorShimmer{0%{background-position:0% 50%}100%{background-position:300% 50%}}
.donor.in{opacity:1;transform:none}
.donor:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.donor:hover{transform:translateY(-6px) scale(1.09);z-index:5;box-shadow:0 16px 36px rgba(180,83,9,.18)}
.donor:hover::before{background:linear-gradient(115deg,#ffffff,var(--amber),#ffffff,var(--cyan));background-size:300% 300%;animation:donorShimmer 2.2s linear infinite}
.donor img{
  width:100%;height:100%;object-fit:cover;display:block;border-radius:14px;
  transition:transform .4s var(--ease),filter .35s;filter:saturate(.85);
}
.donor:hover img{transform:scale(1.06);filter:saturate(1.15)}
.donor .tip{
  position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%) translateY(6px);
  background:var(--card);color:var(--text);padding:9px 13px;border-radius:10px;
  font-size:12.5px;max-width:210px;white-space:normal;text-align:center;line-height:1.45;
  pointer-events:none;opacity:0;transition:all .28s var(--ease);
  border:1px solid var(--line2);box-shadow:var(--shadow-lg);z-index:20;
}
.donor .tip::after{
  content:"";position:absolute;left:50%;bottom:-5px;width:9px;height:9px;transform:translateX(-50%) rotate(45deg);
  background:var(--card);border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);
}
.donor .tip b{color:var(--amber);font-size:13.5px}
.donor .tip .meta{display:block;color:var(--muted);font-size:11.5px;margin-top:3px}
.donor:hover .tip,.donor:focus .tip,.donor.tip-open .tip{opacity:1;transform:translateX(-50%) translateY(0)}
.donor .crown{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);font-size:18px;line-height:1;z-index:7;
  filter:drop-shadow(0 3px 6px rgba(15,23,42,.2));pointer-events:none;
}
.donor .badge{
  position:absolute;top:-6px;right:-6px;z-index:6;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:800;color:#fff;
  box-shadow:0 4px 12px rgba(15,23,42,.18);border:2px solid var(--card);
}
.donor .badge.b1{background:linear-gradient(135deg,#fbbf24,#d97706)}
.donor .badge.b2{background:linear-gradient(135deg,#cbd5e1,#94a3b8)}
.donor .badge.b3{background:linear-gradient(135deg,#fdba74,#c2703a)}
.donor.rank1::before{background:linear-gradient(115deg,#fde047,var(--amber),#fde047,transparent 72%);background-size:300% 300%;animation:donorShimmer 3.4s linear infinite}
.donor.rank1{animation:rank1Pulse 2.4s ease-in-out infinite}
@keyframes rank1Pulse{0%,100%{box-shadow:0 0 18px rgba(180,83,9,.2)}50%{box-shadow:0 0 36px rgba(180,83,9,.4)}}
.donor.no-img{background:var(--card);display:grid;place-items:center}
.donor.no-img::after{content:"?";font-size:28px;color:var(--muted);opacity:.5}
.donor.mystery{background:var(--bg2)}
.donor.mystery .mystery{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;gap:5px}
.donor.mystery .m-icon{font-size:34px;line-height:1;filter:drop-shadow(0 4px 10px rgba(15,23,42,.1))}
.donor.mystery .m-label{font-size:11.5px;font-weight:800;letter-spacing:1.5px;color:var(--muted)}
.donor-loading,.donor-error{
  text-align:center;padding:44px;color:var(--muted);font-size:14px;
}
.donor-loading::after{
  content:"";display:inline-block;width:14px;height:14px;margin-left:10px;vertical-align:-2px;
  border:2px solid rgba(90,107,128,.25);border-top-color:var(--cyan);border-radius:50%;
  animation:spin .8s linear infinite;
}

/* ---------- 在线留言 ---------- */

/* 固定悬浮侧边栏（桌面端） */
.gb-sidebar{
  position:fixed;right:20px;top:50%;transform:translateY(-50%);
  z-index:40;width:320px;max-height:calc(100vh - 120px);
  display:flex;flex-direction:column;
  background:rgba(255,255,255,.94);backdrop-filter:blur(18px);
  border:1px solid var(--line2);border-radius:20px;
  box-shadow:var(--shadow-lg);
  overflow:hidden;animation:gbSlideIn .5s var(--ease) both;
}
@keyframes gbSlideIn{from{opacity:0;transform:translateY(-50%) translateX(30px)}to{opacity:1;transform:translateY(-50%) translateX(0)}}
.gb-sidebar-head{
  padding:14px 16px 10px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;flex-shrink:0;
}
.gb-sidebar-head .gb-icon{font-size:16px}
.gb-sidebar-head h3{font-size:14px;font-weight:700;color:var(--text);margin:0}
.gb-sidebar-body{
  flex:1;overflow-y:auto;padding:12px 14px;
  display:flex;flex-direction:column;gap:10px;
}

/* 侧边栏内表单紧凑版 */
.gb-sb-form{display:flex;flex-direction:column;gap:8px}
.gb-sb-input{
  width:100%;background:var(--card2);color:var(--text);
  border:1px solid var(--line2);border-radius:10px;padding:9px 11px;
  font-size:13px;font-family:inherit;transition:border-color .2s;
  box-sizing:border-box;
}
.gb-sb-input::placeholder{color:var(--muted);font-size:12px}
.gb-sb-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 2px rgba(14,116,144,.12)}
.gb-sb-text{min-height:64px;resize:vertical;line-height:1.5;font-size:13px}
.gb-sb-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}
.gb-sb-count{font-size:11.5px;color:var(--muted)}
.gb-sb-foot .actions{display:flex;align-items:center;gap:8px}
.gb-sb-btn{
  padding:6px 14px;font-size:12.5px;border-radius:9px;cursor:pointer;
  white-space:nowrap;
}
.gb-sb-btn:active{transform:scale(.96)}
.gb-sb-qq{
  display:inline-flex;align-items:center;gap:4px;
  padding:5px 10px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(14,116,144,.06);color:var(--cyan);
  border:1px solid rgba(14,116,144,.22);
  text-decoration:none;transition:all .2s;white-space:nowrap;
  cursor:pointer;user-select:none;-webkit-user-select:none;
}
.gb-sb-qq:hover{background:rgba(14,116,144,.12);border-color:var(--cyan);transform:translateY(-1px)}

/* QQ 复制提示 */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  padding:12px 22px;border-radius:12px;font-size:14px;font-weight:500;
  background:#0f172a;color:#fff;border:1px solid rgba(14,116,144,.4);
  box-shadow:0 10px 30px rgba(15,23,42,.25);z-index:9999;pointer-events:none;
  opacity:0;transition:opacity .25s,transform .25s;white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 侧边栏内留言列表紧凑版 */
.gb-sb-list{display:flex;flex-direction:column;gap:8px}
.gb-sb-item{
  display:flex;gap:10px;padding:10px 12px;background:var(--card2);
  border:1px solid var(--line2);border-radius:12px;animation:gbIn .35s var(--ease) both;
}
.gb-sb-ava{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;color:#04222b;user-select:none;flex-shrink:0;
}
.gb-sb-body-txt{min-width:0;flex:1;overflow:hidden}
.gb-sb-meta{display:flex;align-items:center;gap:6px;margin-bottom:2px;flex-wrap:wrap}
.gb-sb-name{font-weight:600;font-size:12.5px;color:var(--text)}
.gb-sb-time{font-size:11px;color:var(--muted)}
.gb-sb-msg{font-size:12.5px;line-height:1.55;color:var(--muted);word-break:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.gb-sb-empty{text-align:center;color:var(--muted);font-size:12.5px;padding:16px 0}

/* 关闭按钮 */
.gb-close{
  position:absolute;top:8px;right:8px;width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  background:none;border:1px solid transparent;border-radius:8px;
  color:var(--muted);cursor:pointer;font-size:14px;transition:all .2s;z-index:1;
}
.gb-close:hover{color:#dc2626;background:rgba(220,38,38,.06);border-color:rgba(220,38,38,.18)}

/* 原始区块样式（移动端显示） */
.gb-card{
  max-width:760px;margin:0 auto;background:var(--card);
  border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow-md);
}
.gb-form{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.gb-input{
  width:100%;background:var(--card2);color:var(--text);
  border:1px solid var(--line);border-radius:12px;padding:13px 15px;
  font-size:15px;font-family:inherit;transition:border-color .25s,box-shadow .25s;
}
.gb-input::placeholder{color:var(--muted)}
.gb-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(14,116,144,.12)}
.gb-name{max-width:260px}
.gb-text{min-height:96px;resize:vertical;line-height:1.6}
.gb-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:2px}
.gb-hint{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.gb-submit{cursor:pointer}
.gb-submit:active{transform:translateY(1px)}
.gb-list{display:flex;flex-direction:column;gap:14px}
.gb-item{
  display:flex;gap:13px;padding:15px 16px;background:var(--card2);
  border:1px solid var(--line);border-radius:14px;animation:gbIn .4s var(--ease) both;
}
@keyframes gbIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.gb-ava{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;color:#04222b;user-select:none;
}
.gb-body{min-width:0;flex:1}
.gb-meta{display:flex;align-items:baseline;gap:9px;margin-bottom:4px;flex-wrap:wrap}
.gb-name-t{font-weight:700;font-size:14.5px;color:var(--text)}
.gb-time{font-size:12px;color:var(--muted)}
.gb-text-t{font-size:14.5px;line-height:1.65;color:var(--text);word-break:break-word;white-space:pre-wrap}
.gb-empty{text-align:center;color:var(--muted);font-size:14px;padding:22px 0}
/* 公开留言板不提供前端删除(删除需服务端管理员权限) */
@media(max-width:560px){
  .gb-card{padding:20px 16px}
  .gb-name{max-width:none}
}

/* 侧边栏响应式：大屏显示侧边栏 + 隐藏原区块；小屏反之 */
@media(min-width:1025px){
  #guestbook{display:none}          /* 桌面端隐藏原留言区块 */
  .gb-sidebar{display:flex}         /* 桌面端显示固定侧边栏 */
  #donate{display:none}             /* 桌面端隐藏原打赏区块 */
  .donor-sidebar{display:flex}      /* 桌面端显示打赏侧边栏 */
}
@media(max-width:1024px){
  .gb-sidebar{display:none}         /* 移动端隐藏固定侧边栏 */
  #guestbook{display:block}         /* 移动端显示原留言区块 */
  .donor-sidebar{display:none}      /* 移动端隐藏打赏侧边栏 */
  #donate{display:block}            /* 移动端显示原打赏区块 */
}

/* 侧边栏收起状态 */
.gb-sidebar.minimized{width:48px;height:auto;max-height:none;border-radius:14px;cursor:pointer}
.gb-sidebar.minimized .gb-sidebar-head{justify-content:center;padding:12px 0;border-bottom:none}
.gb-sidebar.minimized .gb-sidebar-head h3,.gb-sidebar.minimized .gb-sidebar-head .gb-icon,
.gb-sidebar.minimized .gb-sidebar-body,.gb-sidebar.minimized .gb-close{display:none}
.gb-sidebar.minimized:hover{border-color:var(--cyan);box-shadow:0 0 24px rgba(14,116,144,.12)}
.gb-sidebar.minimized::after{content:'💬';font-size:20px}

/* ---------- CTA ---------- */
.cta{padding:96px 0;text-align:center;position:relative}
.cta::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(760px,90%);height:300px;pointer-events:none;z-index:-1;
  background:radial-gradient(ellipse at center,rgba(14,116,144,.05),transparent 68%);
}
.cta h2{
  font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:16px;color:var(--text);
}
.cta p{color:var(--muted);margin-bottom:34px;font-size:16px}
.cta-card{
  position:relative;z-index:1;max-width:760px;margin:0 auto;padding:60px 44px;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-md);
}
@media(max-width:560px){.cta-card{padding:48px 22px}}

/* ---------- 页脚 ---------- */
footer{
  border-top:1px solid var(--line);padding:46px 0 38px;text-align:center;color:var(--muted);font-size:13.5px;
  background:var(--bg2);position:relative;
}
footer::before{
  content:"";position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  width:min(560px,80%);height:1px;
  background:linear-gradient(90deg,transparent,rgba(14,116,144,.4),transparent);
}
footer .brand{color:var(--text);font-weight:700;font-size:16px;margin-bottom:6px}
footer .brand em{font-style:normal;color:var(--cyan)}
footer .links{display:flex;justify-content:center;gap:6px;margin:16px 0;flex-wrap:wrap}
footer .links a{
  color:var(--muted);transition:color .22s,background .22s;padding:5px 13px;border-radius:8px;
}
footer .links a:hover{color:var(--cyan);background:rgba(14,116,144,.06)}
footer .copy{margin-top:10px;font-size:12.5px;opacity:.75}
footer .visit{margin-top:16px;font-size:13px;color:var(--muted);display:flex;gap:10px;justify-content:center;align-items:center;flex-wrap:wrap}
footer .visit b{color:var(--cyan);font-variant-numeric:tabular-nums;font-weight:800}
footer .visit .v-sep{opacity:.35}
@media(max-width:480px){footer .visit{font-size:12px}}

/* ---------- 滚动渐显 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
/* 卡片网格错峰入场 */
.features .card,.misc .card,.post-list .item{transition-delay:var(--d,0ms)}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .donor{opacity:1;transform:none}
}

/* ---------- 下载弹窗 ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(15,23,42,.4);backdrop-filter:blur(6px);z-index:200;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-mask.show{display:flex;animation:fadeIn .28s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  background:var(--card);
  border:1px solid var(--line2);border-radius:22px;max-width:450px;width:100%;
  padding:36px;text-align:center;position:relative;box-shadow:var(--shadow-lg);
  animation:modalIn .4s var(--ease);overflow:hidden;
}
.modal::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--amber),transparent);
}
@keyframes modalIn{from{opacity:0;transform:translateY(24px) scale(.94)}to{opacity:1;transform:none}}
.modal .x{
  position:absolute;top:14px;right:16px;width:32px;height:32px;border-radius:9px;
  font-size:18px;color:var(--muted);cursor:pointer;background:var(--bg2);border:1px solid var(--line);
  transition:all .25s;display:grid;place-items:center;
}
.modal .x:hover{color:var(--text);background:var(--line);transform:rotate(90deg)}
.modal .big{color:var(--cyan);margin-bottom:14px;display:inline-flex;animation:float 3.5s ease-in-out infinite}
.modal .big svg{width:44px;height:44px}
.modal h3{font-size:22px;font-weight:800;margin-bottom:8px}
.modal p{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.modal .qrcode{
  width:170px;height:170px;margin:0 auto 20px;border-radius:14px;border:1px solid var(--line);
  display:grid;place-items:center;background:#fff;color:#111;font-size:13px;font-weight:600;
  background-image:radial-gradient(circle,#111 2px,transparent 2.4px);background-size:14px 14px;
}
.modal .qrcode-img{
  width:200px;height:200px;margin:0 auto 20px;border-radius:14px;display:block;
  background:#fff;padding:8px;border:1px solid var(--line);
}
.modal .note{font-size:12.5px;color:var(--muted)}
.qr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:0 auto 20px;max-width:460px}
.qr-grid figure{margin:0}
.qr-grid .qrcode-img{width:100%;max-width:190px;height:auto;margin:0 auto}
.qr-grid figcaption{margin-top:10px;font-size:12.5px;color:var(--muted)}
@media (max-width:520px){
  .qr-grid{grid-template-columns:1fr;gap:18px}
  .qr-grid .qrcode-img{max-width:170px}
}
/* ---------- 下载方式选择弹窗 ---------- */
.dl-choices{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:4px 0 16px}
.dl-choice{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:20px 14px;border-radius:16px;text-decoration:none;
  border:1px solid var(--line2);background:var(--card2);
  color:var(--text);transition:all .25s var(--ease);position:relative;overflow:hidden;
}
.dl-choice:hover{transform:translateY(-3px);border-color:var(--cyan);background:rgba(14,116,144,.05);box-shadow:var(--glow-cyan)}
.dl-choice-ico{font-size:30px;line-height:1;margin-bottom:2px}
.dl-choice-t{font-size:16px;font-weight:800}
.dl-choice-d{font-size:12.5px;color:var(--muted)}
.dl-choice .badge-on{position:absolute;top:8px;right:8px;font-size:10px;font-weight:700;color:#fff;background:var(--cyan);padding:2px 7px;border-radius:999px}
@media (max-width:420px){.dl-choices{grid-template-columns:1fr}}

/* ============ 多页结构:子页页头 ============ */
.page-hero{padding:150px 0 44px;text-align:center;position:relative;isolation:isolate}
.page-hero h1{font-size:clamp(30px,4.6vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.22}
.page-hero .eyebrow{display:inline-block;margin-bottom:14px}
.page-hero>p{max-width:760px;margin:16px auto 0;color:var(--muted);font-size:16px;line-height:1.85}
.page-hero .hero-btns{margin-top:30px;justify-content:center}

/* ============ 多页结构:卡片内跳转链接 ============ */
.card-more{display:inline-flex;align-items:center;gap:5px;margin-top:12px;font-size:13.5px;font-weight:600;color:var(--cyan);text-decoration:none;transition:gap .25s var(--ease)}
.card-more::after{content:'92'}
.card-more:hover{gap:9px}

/* ============ 多页结构:页脚当前页高亮 ============ */
footer .links a.active{color:var(--cyan)}
.page-hero h1 em{font-style:normal;color:var(--cyan)}

/* ============ 打赏专属页(donate.html):桌面端显示主区块,隐藏固定侧栏 ============ */
/* 原单页设计把打赏/留言内容藏进双侧固定栏(#donate/#guestbook display:none);
   独立成页后主区块即页面主体,固定侧栏与页内内容重复,隐藏 */
body.page-donate #donate, body.page-donate #guestbook{display:block}
@media(min-width:1025px){
  body.page-donate .donor-sidebar, body.page-donate .gb-sidebar{display:none}
}