/* ============================================================
   Sheeran · 站点公共样式
   ============================================================ */
:root{
  --bg:#05060f;
  --ink:#eef2ff;
  --muted:#9aa4c7;
  --cyan:#6fe6ff;
  --violet:#b78cff;
  --pink:#ff8fd8;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);min-height:100vh;overflow-x:hidden;
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}

/* ===== 背景：地质岩层（底层 + 光标聚光显现层） ===== */
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;background:#05060f;pointer-events:none}
.bg-base{position:absolute;inset:0;background-color:#05060f;background-position:center;background-size:cover;background-repeat:no-repeat;
  background-image:url("bg1.webp");animation:bgZoom 1.8s cubic-bezier(.16,1,.3,1) forwards}
.bg-reveal{position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat;
  background-image:url("bg2.webp");opacity:0;transition:opacity .45s ease}
.bg-reveal.on{opacity:1}
@keyframes bgZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.bg-base{animation:none}}

/* ===== 顶栏 ===== */
.topbar{
  position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px clamp(18px,5vw,64px);
  background:rgba(5,6,15,.5);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em}
.brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(120deg,var(--cyan),var(--pink));box-shadow:0 0 16px var(--cyan)}
.back{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass);transition:.25s}
.back:hover{color:var(--ink);border-color:rgba(111,230,255,.45)}

/* ===== 布局 ===== */
main{position:relative;z-index:2}
.wrap{max-width:1080px;margin:0 auto;padding:0 clamp(18px,5vw,32px)}

/* ============================================================
   液态玻璃按钮（Liquid Glass）
   ============================================================ */
.lg-btn{
  position:relative;display:flex;align-items:center;gap:20px;
  width:min(460px,88vw);padding:28px 30px;border-radius:30px;
  background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(20px) saturate(170%);-webkit-backdrop-filter:blur(20px) saturate(170%);
  box-shadow:0 16px 44px -20px rgba(0,0,0,.75),inset 0 1px 0 rgba(255,255,255,.4);
  overflow:hidden;isolation:isolate;cursor:pointer;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;
}
/* 顶部弧面高光（按需求移除按钮自带背景） */
.lg-btn::before{display:none}
/* 内部流动柔光（按需求移除按钮自带背景） */
.lg-btn .liquid{display:none}
/* 掠过的高光（sheen）——用整块尺寸的叠加层，保证扫过时覆盖整颗按钮 */
.lg-btn .sheen{
  position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:inherit;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.85) 50%,transparent 70%);
  transform:translateX(-130%);opacity:0;
}
.lg-btn:hover{transform:translateY(-6px) scale(1.015);border-color:rgba(255,255,255,.42);
  box-shadow:0 24px 60px -22px rgba(111,230,255,.45),inset 0 1px 0 rgba(255,255,255,.55)}
.lg-btn:hover .sheen{opacity:1;animation:sweep 1.05s cubic-bezier(.35,.7,.25,1)}
.lg-btn:active{transform:translateY(-2px) scale(.995)}
.lg-btn .ico{
  position:relative;z-index:3;flex:none;width:62px;height:62px;border-radius:20px;display:grid;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.22);
}
.lg-btn .txt{position:relative;z-index:3;display:flex;flex-direction:column;gap:5px;flex:1;text-align:left}
.lg-btn .txt b{font-size:22px;font-weight:800;letter-spacing:.02em}
.lg-btn .txt span{font-size:13.5px;color:var(--muted);line-height:1.5}
.lg-btn .arw{position:relative;z-index:3;flex:none;display:flex;color:rgba(255,255,255,.9);
  transition:transform .35s ease}
.lg-btn:hover .arw{transform:translateX(6px)}

@keyframes liquid{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(6%,-5%) scale(1.12)}
  66%{transform:translate(-6%,4%) scale(1.05)}
}
@keyframes sweep{0%{transform:translateX(-130%)}100%{transform:translateX(130%)}}

/* ===== Hero（首页跳转页） ===== */
.hero{display:flex;flex-direction:column;align-items:center;text-align:center;
  min-height:calc(100vh - 62px);justify-content:center;padding:22px 0 120px;gap:18px}
.avatar-wrap{position:relative;width:96px;height:96px;display:grid;place-items:center}
/* 头像光圈已按要求移除，改用下方头像的白色描边 */
.avatar{position:relative;z-index:2;width:86px;height:86px;border-radius:50%;object-fit:cover;
  border:4px solid #fff;background:#0b1024}
.monogram{position:absolute;z-index:1;width:86px;height:86px;border-radius:50%;display:grid;place-items:center;
  font-size:34px;font-weight:800;color:#04121a;background:linear-gradient(140deg,var(--cyan),var(--violet));
  border:4px solid #fff}
.name{font-size:clamp(30px,5.5vw,46px);font-weight:800;line-height:1;color:rgba(255,255,255,.92)}
.tagline{color:rgba(255,255,255,.6);font-size:clamp(14px,2.2vw,17px);line-height:1.8;max-width:520px}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:16px;
  width:min(1010px,92vw);margin-top:48px}
.choices .lg-btn{width:100%;max-width:none;padding:31px 26px;gap:18px;border-radius:26px}
.choices .lg-btn .ico{width:58px;height:58px;font-size:28px;border-radius:18px}
.choices .lg-btn .txt b{font-size:19px}

/* ===== 区块标题 ===== */
.section{padding:clamp(34px,6vh,60px) 0}
.page-head{padding:clamp(34px,7vh,64px) 0 clamp(10px,2vh,20px);text-align:center}
.page-head h1{font-size:clamp(28px,5vw,46px);font-weight:800;color:#fff}
.page-head p{color:var(--muted);font-size:14.5px;margin-top:12px}

/* ===== 小游戏卡片 ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.game{display:flex;flex-direction:column;padding:20px;border-radius:20px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.game::after{content:"";position:absolute;inset:0;border-radius:20px;opacity:0;transition:.35s;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,0%),rgba(111,230,255,.16),transparent 60%)}
.game:hover{transform:translateY(-6px);border-color:rgba(111,230,255,.4);box-shadow:0 22px 60px -22px rgba(111,230,255,.5)}
.game:hover::after{opacity:1}
.game .thumb{font-size:30px}
.game .t{margin-top:14px;font-weight:700;font-size:16px}
.game .d{margin-top:6px;color:var(--muted);font-size:13px;line-height:1.6;flex:1}
.game .go{margin-top:14px;font-size:13px;color:var(--cyan)}
.game.soon{opacity:.72}
.game.soon .go{color:var(--muted)}
.badge{position:absolute;top:14px;right:14px;font-size:11px;padding:3px 9px;border-radius:999px;
  background:rgba(255,143,216,.14);color:var(--pink);border:1px solid rgba(255,143,216,.3)}

/* ===== 关于我 ===== */
.about{display:grid;grid-template-columns:1.25fr .9fr;gap:24px;align-items:start}
.panel{padding:26px;border-radius:20px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);backdrop-filter:blur(14px)}
.panel h3{font-size:16px;margin-bottom:12px}
.panel p{color:var(--muted);line-height:1.9;font-size:14.5px}
.panel p+p{margin-top:12px}
.social{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;font-size:14px;
  background:var(--glass);border:1px solid var(--line);transition:.25s}
.chip:hover{transform:translateY(-2px);border-color:rgba(111,230,255,.45);background:rgba(111,230,255,.08)}
.chip .ico{font-size:16px}

/* ===== 页脚：本项目不使用页脚，故不提供样式 ===== */

/* 左上角：无边框、横向平铺、低透明度 */
.now{position:fixed;top:20px;left:24px;z-index:20;pointer-events:none;
  display:flex;flex-direction:row;align-items:center;gap:16px;flex-wrap:wrap;
  max-width:calc(100vw - 48px);
  opacity:.55;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.now .clock{font-size:17px;font-weight:700;line-height:1}
.now .date{font-size:13px;color:var(--muted)}
.now .sep{display:none}
.now .wx{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}
.now .wx .em{display:flex;align-items:center;color:rgba(255,255,255,.8)}
.now .wx .temp{font-weight:600;color:var(--ink)}
.now .wx .desc{color:var(--muted)}
.now .wx .city{color:var(--muted)}
@media (max-width:640px){
  .now{top:14px;left:14px;gap:11px}
  .now .clock{font-size:15px}
  .now .date,.now .wx{font-size:12px}
}

/* ============================================================
   搜索框（跳转 Bing）
   ============================================================ */
.search{display:flex;align-items:center;gap:10px;width:min(470px,90vw);padding:7px 7px 7px 18px;
  border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(20px) saturate(170%);-webkit-backdrop-filter:blur(20px) saturate(170%);
  box-shadow:0 16px 44px -20px rgba(0,0,0,.75),inset 0 1px 0 rgba(255,255,255,.4);
  transition:border-color .3s,box-shadow .3s}
.search:focus-within{border-color:rgba(111,230,255,.55);
  box-shadow:0 20px 54px -20px rgba(111,230,255,.55),inset 0 1px 0 rgba(255,255,255,.5)}
.search .mag{display:flex;align-items:center;color:rgba(255,255,255,.75)}
.search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--ink);
  font-size:15px;font-family:inherit;letter-spacing:.01em}
.search input::placeholder{color:var(--muted)}
.search button{flex:none;cursor:pointer;height:34px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:700;color:rgba(255,255,255,.9);font-family:inherit;
  background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(20px) saturate(170%);-webkit-backdrop-filter:blur(20px) saturate(170%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);
  transition:background .2s,border-color .2s}
.search button:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.38)}

/* ============================================================
   常用网站（导航页）
   ============================================================ */
.cat{margin-bottom:34px}
.cat h2{font-size:14px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;
  font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.cat h2::after{content:"";flex:1;height:1px;background:var(--line)}
.sites{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.site{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);backdrop-filter:blur(12px);
  transition:transform .25s,border-color .25s,box-shadow .25s}
.site:hover{transform:translateY(-4px);border-color:rgba(111,230,255,.42);
  box-shadow:0 18px 44px -20px rgba(111,230,255,.5)}
.site .fav{flex:none;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid var(--line)}
.site .meta{display:flex;flex-direction:column;min-width:0}
.site .nm{font-size:14px;font-weight:600;line-height:1.2}
.site .url{font-size:11.5px;color:var(--muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes grad{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@media (max-width:760px){.about{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.name{animation:none}}

/* ============================================================
   响应式 / 移动端适配
   ============================================================ */
/* 触摸优化：去掉点击高亮、避免双击缩放延迟 */
a,button,input{-webkit-tap-highlight-color:transparent}
.btn,.lg-btn,.chip,.site,.game,.back,.search button{touch-action:manipulation}
.panel p,.tagline,.site .nm,.game .d{overflow-wrap:break-word}

/* 平板 */
@media (max-width:900px){
  .choices{grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:14px}
  .about{grid-template-columns:1fr}
  .sites{grid-template-columns:repeat(auto-fill,minmax(158px,1fr))}
  .grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
}

/* 手机 */
@media (max-width:640px){
  .wrap{padding:0 22px}

  .topbar{padding:12px 16px;gap:10px}
  .brand{font-size:14px}
  .back{padding:7px 13px;font-size:13px}

  /* 左上角时间/天气：随页面流动，避免遮挡内容 */
  .now{position:static;margin:12px 22px 0;gap:10px;max-width:none}
  .now .clock{font-size:14px}
  .now .date,.now .wx{font-size:12px}

  /* Hero：缩小头像/昵称，整体下移一些 */
  .hero{min-height:auto;padding:34px 0 46px;gap:16px}
  .avatar-wrap{width:78px;height:78px;margin-bottom:2px}
  .avatar,.monogram{width:72px;height:72px}
  .monogram{font-size:28px}
  .name{font-size:clamp(26px,8vw,34px)}
  .tagline{font-size:13.5px}

  /* 搜索框：更窄、更矮 */
  .search{width:100%;max-width:340px;padding:5px 5px 5px 15px;gap:8px}
  .search .mag{font-size:14px}
  .search input{font-size:16px}          /* ≥16px，防止 iOS 聚焦时自动放大 */
  .search button{height:32px;padding:0 14px;font-size:13px}

  /* 入口按钮：单列、宽度收窄 */
  .choices{grid-template-columns:1fr;width:100%;max-width:340px;gap:12px;margin-top:18px}
  .choices .lg-btn{padding:17px;gap:13px;border-radius:22px}
  .choices .lg-btn .ico{width:46px;height:46px;font-size:22px;border-radius:14px}
  .choices .lg-btn .txt b{font-size:16.5px}
  .choices .lg-btn .txt span{font-size:12.5px}
  .choices .lg-btn .arw{font-size:18px}

  /* 区块标题 */
  .section{padding:24px 0}
  .page-head{padding:58px 0 4px}
  .page-head h1{font-size:clamp(26px,8.5vw,34px)}
  .page-head p{font-size:13.5px}

  /* 小游戏卡片：双列 */
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .game{padding:15px}
  .game .thumb{font-size:25px}
  .game .t{font-size:15px;margin-top:11px}
  .game .d{font-size:12px}
  .game .go{font-size:12px;margin-top:11px}
  .badge{top:10px;right:10px;font-size:10px;padding:2px 7px}

  /* 常用网站：双列紧凑 */
  .cat{margin-bottom:24px}
  .cat h2{font-size:12.5px;letter-spacing:.12em}
  .sites{grid-template-columns:1fr 1fr;gap:10px}
  .site{padding:11px;gap:10px}
  .site .fav{width:32px;height:32px;font-size:16px;border-radius:9px}
  .site .nm{font-size:13px}
  .site .url{font-size:11px}

  /* 关于我 */
  .about{gap:14px}
  .panel{padding:18px}
  .panel h3{font-size:15px}
  .panel p{font-size:14px}
  .chip{padding:9px 14px;font-size:13.5px}
}

/* 超小屏 */
@media (max-width:380px){
  .grid,.sites{grid-template-columns:1fr}
  .name{font-size:32px}
  .choices .lg-btn .txt span{display:none}   /* 空间不足时隐藏副标题 */
}