/* ============================================================
   个人主页 · 暖色日系清新风
   ★ 桌面优先：基础样式按宽屏设计，再用 max-width 查询往手机降级
   ============================================================ */

:root{
  /* 底色 */
  --bg:            #FDF6EF;
  --bg-2:          #FBF1E8;
  --bg-mint:       #EAF3EC;

  /* 文字 */
  --ink:           #5C4636;
  --ink-2:         #6B5545;
  --ink-3:         #9C8877;
  --ink-4:         #B9A899;

  /* 强调 */
  --peach:         #F0A882;
  --peach-d:       #E28F63;
  --peach-soft:    #FBE3D4;

  /* 卡片 */
  --card:          #FFFFFF;
  --card-glass:    rgba(255,255,255,.72);
  --card-line:     rgba(92,70,54,.07);

  /* 便签 */
  --note-mint:     #CFE8DC;
  --note-pink:     #F7D9DE;
  --note-yellow:   #F5EBC8;

  /* 徽章 */
  --ok:            #7FB99B;
  --warn:          #D9A85C;

  /* 圆角 */
  --r-sm:  10px;
  --r:     16px;
  --r-lg:  22px;
  --r-pill:999px;

  /* 阴影 */
  --sh-sm: 0 2px 8px rgba(92,70,54,.06);
  --sh:    0 6px 20px rgba(92,70,54,.08);
  --sh-lg: 0 14px 34px rgba(92,70,54,.12);

  /* 间距 */
  --pad:  24px;      /* 桌面主留白 */
  --gap:  20px;      /* 桌面栅格间距 */
  --maxw: 1240px;    /* 桌面内容最大宽度 */
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}

html,body{margin:0;padding:0}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.65;
  padding-bottom:96px;              /* 给底部播放器留位 */
  -webkit-font-smoothing:antialiased;
}

/* 页面外框：桌面居中，宽屏大容器 */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  min-height:100vh;
  position:relative;
  padding:0 var(--pad);
  background:var(--bg);
}

/* ============================================================
   顶部导航（毛玻璃胶囊）
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:60;
  padding:10px 12px;
  background:linear-gradient(to bottom,var(--bg) 60%,rgba(253,246,239,0));
}
.nav-inner{
  display:flex;align-items:center;gap:10px;
  background:var(--card-glass);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(255,255,255,.6);
  border-radius:var(--r-pill);
  padding:9px 18px;
  box-shadow:var(--sh-sm);
}
/* 桌面：品牌名在左，标签在右，汉堡收起 */
.nav-brand{
  display:flex;align-items:center;gap:9px;
  font-size:16px;font-weight:700;letter-spacing:.5px;
  color:var(--ink);text-decoration:none;white-space:nowrap;
}
.nav-mark{
  width:20px;height:20px;border-radius:50%;flex:0 0 20px;
  background:linear-gradient(140deg,var(--peach),#8FC7B4);
  box-shadow:inset 0 -2px 4px rgba(255,255,255,.5);
}
.nav-burger{display:none}

.nav-links{display:flex;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-links a{
  padding:8px 18px;border-radius:var(--r-pill);
  color:var(--ink-2);text-decoration:none;font-size:14.5px;
  transition:background .18s,color .18s;white-space:nowrap;
}
.nav-links a:hover{background:rgba(92,70,54,.05)}
.nav-links a.on{
  background:var(--peach-soft);
  color:var(--peach-d);
  font-weight:600;
}

/* ---------- 导航右侧：登录 / 用户 ---------- */
.nav-auth{
  display:inline-flex;align-items:center;gap:7px;
  margin-left:6px;padding:8px 16px;border-radius:var(--r-pill);
  text-decoration:none;font-size:14px;white-space:nowrap;
  border:1px solid var(--peach);color:var(--peach-d);
  transition:background .18s,color .18s;
}
.nav-auth svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9}
.nav-auth:hover{background:var(--peach-soft)}
.nav-auth.out{
  border-color:transparent;color:var(--ink-3);
  padding:8px 12px;font-size:13.5px;
}
.nav-auth.out:hover{background:rgba(92,70,54,.06);color:var(--ink-2)}
.nav-user{
  display:inline-flex;align-items:center;gap:8px;
  margin-left:6px;padding:5px 14px 5px 6px;border-radius:var(--r-pill);
  background:rgba(240,168,130,.14);
  font-size:13.5px;color:var(--ink-2);white-space:nowrap;
  max-width:170px;overflow:hidden;text-overflow:ellipsis;
}
.nav-avatar{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--peach),var(--peach-d));
  color:#fff;font-size:12px;font-weight:700;
}

/* ============================================================
   Hero（首页大图）
   ============================================================ */
.hero{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:440px;
  display:grid;place-items:center;
  background:
    radial-gradient(120% 90% at 20% 10%,#F6D9C4 0%,transparent 60%),
    radial-gradient(110% 80% at 85% 25%,#CFE3DA 0%,transparent 55%),
    radial-gradient(120% 100% at 50% 100%,#F3C9B4 0%,transparent 60%),
    linear-gradient(160deg,#F9E7DA,#EFD6C6);
}
/* 图集占位：真实用时换 background-image */
.hero-media{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.9;
}
/* 彩色方块墙纹理（截图里那个背景） */
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.22) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 85%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 85%);
}
.hero-text{
  position:relative;z-index:2;text-align:center;padding:0 20px;
}
.hero-title{
  font-family:Georgia,"Times New Roman",serif;
  font-size:54px;line-height:1.12;
  color:#fff;margin:0 0 14px;
  letter-spacing:1px;
  text-shadow:0 2px 14px rgba(92,70,54,.35),0 1px 2px rgba(92,70,54,.25);
}
.hero-sub{
  margin:0;font-size:13px;letter-spacing:3px;
  color:rgba(255,255,255,.95);
  text-shadow:0 1px 8px rgba(92,70,54,.4);
}
/* 底部波浪 */
.hero-wave{
  position:absolute;left:0;right:0;bottom:-1px;height:44px;z-index:2;
}
.hero-wave svg{display:block;width:100%;height:100%}

/* ============================================================
   通用卡片
   ============================================================ */
.card{
  background:var(--card);
  border:1px solid var(--card-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:22px 18px;
}
/* 区块：桌面版留白更宽，底距更大 */
.sec{padding:0;margin-top:24px}

/* ============================================================
   首页桌面双栏：左主区 + 右侧栏
   ============================================================ */
.home-cols{
  display:grid;
  grid-template-columns:1.35fr 1fr;   /* 桌面：左宽右窄 */
  gap:var(--gap);
  margin-top:var(--gap);
  align-items:start;
}
.col-main{display:flex;flex-direction:column;min-width:0}
.col-side{display:flex;flex-direction:column;gap:var(--gap);min-width:0}

/* 侧栏面板 */
.panel{
  background:var(--card);
  border:1px solid var(--card-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:18px;
}
.panel-head{
  font-size:14px;font-weight:700;color:var(--ink-2);
  letter-spacing:1px;margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.panel-head::before{
  content:"";width:3px;height:14px;border-radius:2px;
  background:linear-gradient(var(--peach),var(--peach-d));
}

/* ============================================================
   个人卡（桌面版：头像与文字左右排）
   ============================================================ */
.profile{
  position:relative;
  text-align:left;
  padding:26px 26px 22px;
  background:var(--card);
  border-radius:var(--r-lg);
  border:1px solid var(--card-line);
  box-shadow:var(--sh);
  overflow:hidden;
}
.profile-row{display:flex;align-items:center;gap:20px;margin-bottom:18px}
.profile-text{min-width:0}
/* 飘落的花瓣装饰 */
.petal{
  position:absolute;border-radius:60% 0 60% 60%;
  background:var(--peach);opacity:.35;
  transform:rotate(35deg);pointer-events:none;
}
.avatar{
  width:96px;height:96px;border-radius:50%;flex:0 0 96px;
  background:var(--peach-soft) center/cover no-repeat;
  border:3px solid #fff;
  box-shadow:0 0 0 2px var(--peach-soft),0 8px 20px rgba(92,70,54,.14);
  position:relative;z-index:2;
  display:grid;place-items:center;font-size:34px;
}
.nickname{
  margin:0 0 10px;font-size:26px;font-weight:700;letter-spacing:1px;
  color:var(--ink);
}
.signature{
  display:inline-block;
  padding:6px 16px;border-radius:var(--r-pill);
  background:var(--peach-soft);
  color:var(--peach-d);font-size:13px;
}
.socials{display:flex;justify-content:flex-start;gap:14px;margin:0 0 18px}
.socials a{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(240,168,130,.14);
  color:var(--peach-d);text-decoration:none;
  transition:transform .18s,background .18s;
}
.socials a:hover{transform:translateY(-2px);background:rgba(240,168,130,.24)}
.socials svg{width:18px;height:18px;fill:currentColor}

.quote{
  font-size:13.5px;color:var(--ink-3);font-style:italic;
  margin:0 0 20px;line-height:1.8;
}

.stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--card-line);
  padding-top:18px;
}
.stats div{text-align:center;position:relative}
.stats div+div::before{
  content:"";position:absolute;left:0;top:8%;height:84%;width:1px;
  background:var(--card-line);
}
.stats b{display:block;font-size:26px;font-weight:700;color:var(--ink);line-height:1.25}
.stats span{font-size:12.5px;color:var(--ink-4)}

/* ============================================================
   搜索栏
   ============================================================ */
.search{
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--card-line);
  border-radius:var(--r-pill);
  padding:14px 20px;box-shadow:var(--sh-sm);
  transition:box-shadow .2s,border-color .2s;
}
.search:focus-within{border-color:var(--peach);box-shadow:0 0 0 3px rgba(240,168,130,.16)}
.search svg{width:17px;height:17px;stroke:var(--ink-4);fill:none;stroke-width:2;flex:0 0 17px}
.search input{
  border:0;outline:0;background:transparent;flex:1;
  font-size:14.5px;color:var(--ink);font-family:inherit;
}
.search input::placeholder{color:var(--ink-4)}

/* ============================================================
   区块标题
   ============================================================ */
.sec-head{text-align:center;padding:40px 20px 24px}
.sec-head h2{
  margin:0 0 10px;font-size:34px;font-weight:700;letter-spacing:3px;color:var(--ink);
}
.sec-head p{margin:0;font-size:13.5px;color:var(--ink-3)}

/* ============================================================
   音乐卡（首页推荐）
   ============================================================ */
.music-card{
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--card-line);
  border-radius:var(--r);padding:12px 14px;box-shadow:var(--sh-sm);
  cursor:pointer;transition:transform .18s,box-shadow .18s;
}
.music-card:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.mc-cover{
  width:46px;height:46px;flex:0 0 46px;border-radius:var(--r-sm);
  background:linear-gradient(140deg,#8FB8D8,#6E93B8);
  display:grid;place-items:center;color:#fff;
}
.mc-cover svg{width:22px;height:22px;fill:currentColor}
.mc-info{min-width:0}
.mc-tag{
  display:inline-block;padding:1px 7px;border-radius:4px;
  background:var(--peach-soft);color:var(--peach-d);
  font-size:10.5px;margin-bottom:3px;
}
.mc-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.3}
.mc-artist{font-size:12px;color:var(--ink-3);margin-top:2px}

/* ============================================================
   照片墙
   ============================================================ */
.grid-3{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}

.pcard{
  text-align:center;cursor:pointer;
  border-radius:var(--r);padding:12px 8px 14px;
  transition:background .2s;
}
.pcard:hover{background:rgba(255,255,255,.6)}
/* 拍立得叠层：容器要留够高度，否则旋转后的卡片顶角会被裁掉 */
.stack{position:relative;height:124px;margin-bottom:12px}
.stack i{
  position:absolute;left:50%;top:50%;
  width:96px;height:96px;border-radius:4px;
  background:#fff center/cover no-repeat;
  border:3px solid #fff;
  box-shadow:0 3px 10px rgba(92,70,54,.16);
  transition:transform .25s;
}
.stack i:nth-child(1){transform:translate(-58%,-50%) rotate(-7deg)}
.stack i:nth-child(2){transform:translate(-42%,-52%) rotate(5deg)}
.stack i:nth-child(3){transform:translate(-50%,-50%) rotate(-1deg)}
.pcard:hover .stack i:nth-child(1){transform:translate(-66%,-52%) rotate(-11deg)}
.pcard:hover .stack i:nth-child(2){transform:translate(-34%,-54%) rotate(9deg)}
.stack .count{
  position:absolute;right:2px;bottom:6px;z-index:3;
  background:rgba(255,255,255,.92);color:var(--ink-2);
  font-size:10.5px;padding:1px 7px;border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);
}
.pcard h3{margin:0 0 5px;font-size:15px;font-weight:600;color:var(--ink)}
.pcard p{margin:0 0 7px;font-size:11px;color:var(--ink-3);line-height:1.5}
.pcard .by{
  font-size:10.5px;color:var(--ink-4);
  display:inline-flex;align-items:center;gap:4px;
}
.pcard .by::before{content:"";width:11px;height:11px;border-radius:50%;background:var(--peach-soft)}

/* ============================================================
   留言墙（便签）
   ============================================================ */
.notes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.note{
  position:relative;border-radius:12px;padding:18px 16px 14px;
  box-shadow:0 3px 10px rgba(92,70,54,.1);
  min-height:140px;display:flex;flex-direction:column;
}
.note.mint{background:var(--note-mint)}
.note.pink{background:var(--note-pink)}
.note.yellow{background:var(--note-yellow)}
/* 图钉圆珠：贴顶居中 */
.note::before{
  content:"";position:absolute;left:50%;top:-6px;
  width:12px;height:12px;margin-left:-6px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#fff,rgba(255,255,255,.4) 42%,rgba(255,255,255,.12) 72%);
  box-shadow:0 1px 3px rgba(92,70,54,.3),inset 0 -1px 2px rgba(92,70,54,.2);
}
.note-text{font-size:13px;line-height:1.7;color:#4A3B2E;flex:1;margin-bottom:10px;word-break:break-word}
.note-meta{
  display:flex;align-items:center;gap:8px;
  border-top:1px solid rgba(92,70,54,.1);padding-top:9px;
}
.note-name{font-size:11.5px;font-weight:700;color:#54453A}
.note-time{font-size:10.5px;color:rgba(84,69,58,.62);margin-left:auto}
.note-act{display:flex;gap:9px;margin-top:7px;font-size:11px;color:rgba(84,69,58,.6)}
.note-act span{cursor:pointer;display:inline-flex;align-items:center;gap:3px}
.note-act span.liked{color:#D8737F}

/* ============================================================
   友链
   ============================================================ */
.fcard{
  background:var(--card);border:1px solid var(--card-line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .2s,box-shadow .2s;text-decoration:none;display:block;
}
.fcard:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.fcard .thumb{
  height:74px;background:var(--bg-2) center/cover no-repeat;
  display:grid;place-items:center;color:var(--ink-4);
  border-bottom:1px solid var(--card-line);
}
.fcard .thumb svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.6}
.fcard .fbody{padding:10px 11px 12px}
.fcard .fhead{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.fcard .ficon{
  width:26px;height:26px;flex:0 0 26px;border-radius:7px;
  background:var(--peach-soft) center/cover no-repeat;
  display:grid;place-items:center;font-size:13px;
}
.fcard .fname{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.25}
.fcard .furl{font-size:10px;color:var(--ink-4);word-break:break-all;line-height:1.35}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  margin:7px 0;padding:3px 9px;border-radius:var(--r-pill);
  font-size:10px;font-weight:600;
}
.badge.ok{background:rgba(127,185,155,.2);color:#4E8A6C}
.badge.warn{background:rgba(217,168,92,.22);color:#9A7028}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;display:block}
.fcard .fdesc{font-size:11px;color:var(--ink-3);line-height:1.55;margin:0}

/* ============================================================
   浮动按钮 +
   ============================================================ */
.fab{
  position:fixed;right:24px;bottom:110px;z-index:70;
  width:54px;height:54px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(150deg,var(--peach),var(--peach-d));
  color:#fff;font-size:28px;line-height:1;
  box-shadow:0 8px 22px rgba(226,143,99,.45);
  display:grid;place-items:center;
  transition:transform .2s;
}
.fab:hover{transform:scale(1.07) rotate(90deg)}
@media (max-width:460px){.fab{right:18px}}

/* ============================================================
   底部音乐播放器
   ============================================================ */
.player{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(253,246,239,.94);
  backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
  border-top:1px solid var(--card-line);
}
.player-inner{
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:12px var(--pad);
}
.pl-cover{
  width:44px;height:44px;flex:0 0 44px;border-radius:10px;
  background:linear-gradient(140deg,#F0C9A8,#D9A98A);
  display:grid;place-items:center;
}
.pl-cover::after{
  content:"";width:0;height:0;
  border-left:10px solid rgba(255,255,255,.9);
  border-top:7px solid transparent;border-bottom:7px solid transparent;
  margin-left:2px;
}
.pl-meta{min-width:0;flex:0 0 auto;max-width:180px}
.pl-title{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-artist{font-size:11.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-bar{
  flex:1;height:3px;border-radius:2px;background:rgba(92,70,54,.14);
  position:relative;cursor:pointer;min-width:40px;
}
.pl-bar i{
  position:absolute;left:0;top:0;bottom:0;border-radius:2px;
  background:var(--peach-d);width:38%;
}
.pl-bar i::after{
  content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%);
  width:9px;height:9px;border-radius:50%;background:var(--peach-d);
  box-shadow:0 1px 4px rgba(92,70,54,.3);
}
.pl-btns{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.pl-btns button{
  width:30px;height:30px;border:0;background:transparent;cursor:pointer;
  border-radius:50%;display:grid;place-items:center;color:var(--ink-2);
  transition:background .16s;
}
.pl-btns button:hover{background:rgba(92,70,54,.07)}
.pl-btns svg{width:15px;height:15px;fill:currentColor}
.pl-play{
  width:36px!important;height:36px!important;border-radius:50%!important;
  background:linear-gradient(150deg,var(--peach),var(--peach-d))!important;
  color:#fff!important;box-shadow:0 4px 12px rgba(226,143,99,.4);
}

/* ============================================================
   空态 / 工具
   ============================================================ */
.empty{
  text-align:center;padding:56px 20px;color:var(--ink-4);font-size:13px;
}
.hide{display:none!important}
.spacer{height:26px}

/* ============================================================
   ★ 响应式降级（桌面优先 → 依次往平板 / 手机收）
   ============================================================ */

/* --- 中等屏：主区与侧栏改上下排 --- */
@media (max-width:1000px){
  :root{--maxw:820px;--pad:20px;--gap:16px}
  .home-cols{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .hero{min-height:360px}
  .hero-title{font-size:42px}
  .sec-head h2{font-size:29px}
  .stats b{font-size:23px}
}

/* --- 平板：收窄留白，栅格减列 --- */
@media (max-width:720px){
  :root{--maxw:100%;--pad:16px;--gap:14px}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .hero{min-height:300px;border-radius:var(--r)}
  .hero-title{font-size:32px}
  .hero-sub{letter-spacing:2px;font-size:12.5px}
  .sec-head{padding:30px 16px 18px}
  .sec-head h2{font-size:25px}
  .sec{padding:0;margin-top:16px}
  .profile{padding:20px 18px 18px}
  .profile-row{gap:14px;margin-bottom:14px}
  .avatar{width:72px;height:72px;flex:0 0 72px;font-size:26px}
  .nickname{font-size:20px}
  .signature{font-size:12px;padding:5px 13px}
  .socials{gap:12px;margin-bottom:14px}
  .socials a{width:34px;height:34px}
  .socials svg{width:16px;height:16px}
  .quote{font-size:12.5px;margin-bottom:16px}
  .stats{padding-top:14px}
  .stats b{font-size:20px}
  .stats span{font-size:11.5px}
  .panel{padding:14px;border-radius:var(--r)}
  .search{padding:12px 16px}
  /* 便签在窄屏缩回紧凑尺寸 */
  .note{padding:14px 12px 12px;min-height:120px}
  .note-text{font-size:12px;line-height:1.65;margin-bottom:8px}
  .note-name{font-size:10.5px}
  .note-time{font-size:9.5px}
  .note-act{font-size:10px;gap:7px;margin-top:5px}
  .player-inner{padding:10px 16px;gap:10px}
  .pl-cover{width:38px;height:38px;flex:0 0 38px}
  .pl-meta{max-width:110px}
  .pl-title{font-size:13px}
  .pl-artist{font-size:10.5px}
}

/* --- 手机：导航折叠成汉堡，栅格再减 --- */
@media (max-width:560px){
  :root{--pad:12px;--gap:12px}
  body{padding-bottom:84px}

  /* 导航：品牌 + 汉堡 一行，标签行可折叠 */
  .nav{padding:10px var(--pad)}
  .nav-inner{flex-wrap:wrap;padding:8px 14px;row-gap:8px}
  .nav-burger{
    display:grid;place-items:center;
    width:34px;height:34px;flex:0 0 34px;order:1;
    border:0;background:transparent;cursor:pointer;
    border-radius:50%;color:var(--ink-2);
  }
  .nav-burger:hover{background:rgba(92,70,54,.06)}
  .nav-burger span{display:block;width:16px;height:1.5px;background:currentColor;position:relative}
  .nav-burger span::before,.nav-burger span::after{
    content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;
  }
  .nav-burger span::before{top:-5px}
  .nav-burger span::after{top:5px}

  .nav-brand{order:2;font-size:15px}
  .nav-linkbox,.nav-links{
    order:3;width:100%;margin-left:0;
    display:none;gap:4px;
  }
  .nav.open .nav-links{display:flex}
  .nav-links a{flex:1;text-align:center;padding:8px 0;font-size:13.5px}

  /* 栅格降列 */
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:250px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:11.5px;letter-spacing:1.5px}
  .sec-head h2{font-size:22px}
  .sec-head p{font-size:12px}
  .stack{height:112px}
  .stack i{width:86px;height:86px}
  .pcard h3{font-size:14px}
  .fab{right:16px;bottom:96px}
}

/* --- 很窄：单列 --- */
@media (max-width:400px){
  .grid-3{grid-template-columns:1fr}
  .hero-title{font-size:22px}
  .profile-row{flex-direction:column;align-items:flex-start;gap:10px}
}