/* ==========================================================================
   某人的老地方 —— 现代版样式
   配色取自站点配图本身(青 #06A9AA / 柠檬绿 / 珊瑚橙),保证页面和图是一套。
   时光机里的老页面不受这个文件影响,那些是原样静态文件。
   ========================================================================== */

:root{
  --teal:#06A9AA;
  --teal-dark:#048083;
  --teal-light:#E4F7F5;
  --lime:#B8E03A;
  --coral:#F0805F;
  --blue:#3B8FE8;
  --violet:#8B7BE8;
  --rose:#EC6A92;
  --amber:#F2A93B;

  --ink:#132A2E;
  --muted:#5F7A7D;
  --line:#DCEAE8;
  --bg:#F2F8F7;
  --surface:#FFFFFF;
  --navy:#12262C;

  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px -18px rgba(19,42,46,.45);
  --shadow-lift:0 18px 40px -20px rgba(6,169,170,.45);

  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",
         "Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--teal-dark);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}

.inner{max-width:1120px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--teal);color:#fff;font-size:13px;}
.topbar .inner{
  display:flex;align-items:center;gap:14px;
  height:38px;
}
.topbar-date{opacity:.95;}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.45);}
.topbar-motto{opacity:.9;}
.topbar-links{margin-left:auto;display:flex;gap:16px;}
.topbar a{color:#fff;opacity:.92;}
.topbar a:hover{opacity:1;}

/* ---------- 站头:logo + 横幅 ---------- */
.masthead{background:var(--surface);border-bottom:1px solid var(--line);}
.masthead .inner{
  display:flex;align-items:center;gap:28px;
  padding-top:18px;padding-bottom:18px;
}
.brand{display:flex;align-items:center;gap:13px;flex:none;}
.brand:hover{text-decoration:none;}
.brand-logo{
  width:52px;height:52px;border-radius:14px;flex:none;
  box-shadow:0 6px 16px -8px rgba(6,169,170,.7);
}
.brand-name{
  display:block;font-size:23px;font-weight:700;color:var(--ink);
  letter-spacing:.5px;line-height:1.2;
}
.brand-sub{
  display:block;font-size:11px;color:var(--muted);
  letter-spacing:.14em;margin-top:2px;
}

.masthead-banner{
  flex:1;position:relative;height:78px;
  border-radius:var(--radius);overflow:hidden;
  display:flex;align-items:center;
}
.masthead-banner img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center 55%;
}
.masthead-banner-text{
  position:relative;padding:0 26px;
}
.masthead-banner-text b{
  display:block;font-size:17px;color:var(--teal-dark);letter-spacing:.5px;
}
.masthead-banner-text span{font-size:13px;color:var(--muted);}

/* ---------- 主导航(深色条) ---------- */
.mainnav{background:var(--navy);}
.mainnav .inner{display:flex;align-items:center;padding:0 20px;}
.mainnav a{
  color:#CBDCDE;font-size:15px;font-weight:500;
  padding:16px 22px;position:relative;
}
.mainnav a:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.05);}
.mainnav a.active{background:var(--teal);color:#fff;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-counter{
  font-size:12px;color:#8FA8AB;letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.nav-avatar{
  width:34px;height:34px;border-radius:50%;
  border:2px solid rgba(255,255,255,.25);
}

/* ---------- 内容容器 ---------- */
.content{padding-top:26px;padding-bottom:48px;}

.page-head{margin-bottom:22px;}
.page-head h1{
  font-size:27px;font-weight:700;margin:0 0 6px;
  letter-spacing:.5px;
}
.page-head p{margin:0;color:var(--muted);}
.page-back{font-size:13px;color:var(--muted);margin-bottom:10px;}

/* ---------- 彩色标签 ---------- */
.badge{
  display:inline-block;
  padding:4px 11px;border-radius:6px;
  font-size:12px;font-weight:600;color:#fff;
  letter-spacing:.05em;line-height:1.5;
}
.badge-teal{background:var(--teal);}
.badge-coral{background:var(--coral);}
.badge-blue{background:var(--blue);}
.badge-violet{background:var(--violet);}
.badge-rose{background:var(--rose);}
.badge-amber{background:var(--amber);}

/* ---------- 首页:大图 + 侧栏卡片 ---------- */
.hero-row{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:20px;
  margin-bottom:36px;
}

.hero-card{
  position:relative;display:block;
  border-radius:var(--radius);overflow:hidden;
  min-height:400px;
  box-shadow:var(--shadow);
}
.hero-card:hover{text-decoration:none;}
.hero-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.hero-card:hover img{transform:scale(1.03);}
.hero-shade{
  position:absolute;left:0;right:0;bottom:0;height:62%;
  background:linear-gradient(to top,rgba(8,26,30,.88) 12%,rgba(8,26,30,.55) 48%,transparent);
}
.hero-body{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 24px;
}
.hero-body .badge{margin-bottom:10px;}
.hero-body h2{
  margin:0 0 8px;color:#fff;font-size:26px;line-height:1.35;
  font-weight:700;text-shadow:0 2px 10px rgba(0,0,0,.35);
}
.hero-meta{
  color:rgba(255,255,255,.85);font-size:13px;
  display:flex;gap:14px;flex-wrap:wrap;
}

.hero-side{display:flex;flex-direction:column;gap:14px;}
.side-card{
  display:flex;gap:14px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:12px;
  flex:1;min-height:0;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.side-card:hover{
  text-decoration:none;transform:translateY(-2px);
  box-shadow:var(--shadow-lift);border-color:transparent;
}
.side-card-img{
  width:118px;flex:none;align-self:stretch;
  border-radius:var(--radius-sm);overflow:hidden;background:var(--teal-light);
}
.side-card-img img{width:100%;height:100%;object-fit:cover;min-height:86px;}
.side-card-body{min-width:0;}
.side-card-body h3{
  margin:8px 0 6px;font-size:15px;line-height:1.45;color:var(--ink);
  font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-card-date{font-size:12px;color:var(--muted);}

/* ---------- 首页:自我介绍带(主视觉图在这儿) ---------- */
.intro-band{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:30px;align-items:center;
  background:linear-gradient(135deg,var(--teal-light),#F7FCFB);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 34px;
  margin-bottom:36px;
}
.intro-text h2{
  margin:0 0 12px;font-size:24px;font-weight:700;line-height:1.4;
  text-wrap:balance;
}
.intro-text p{
  margin:0 0 18px;color:var(--muted);line-height:1.85;max-width:46ch;
}
.intro-img{
  border-radius:var(--radius-sm);overflow:hidden;
  box-shadow:0 16px 34px -20px rgba(19,42,46,.55);
}
.intro-img img{width:100%;aspect-ratio:3/2;object-fit:cover;}

/* ---------- 首页:板块网格(图片上覆盖说明) ---------- */
.block-head{margin-bottom:16px;}
.block-head h2{margin:0;font-size:22px;font-weight:700;letter-spacing:.5px;}
.block-head p{margin:2px 0 0;color:var(--muted);font-size:13px;}

.section-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
}
.sec-card{
  position:relative;display:block;
  border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--shadow);
}
.sec-card:hover{text-decoration:none;}
.sec-card > img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.sec-card:hover > img{transform:scale(1.05);}
.sec-overlay{
  position:absolute;left:12px;right:12px;bottom:12px;
  display:flex;align-items:center;gap:11px;
  padding:10px 13px;border-radius:12px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(9px);
  -webkit-backdrop-filter:blur(9px);
  box-shadow:0 6px 18px -10px rgba(19,42,46,.5);
}
.sec-icon{
  width:34px;height:34px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  color:#fff;
}
.sec-icon svg{width:17px;height:17px;}
/* 四张卡片的说明必须都是单行,否则谁多一行谁就比别人高一截 */
.sec-text{min-width:0;flex:1;}
.sec-text b,.sec-text span{
  display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sec-text b{font-size:15px;line-height:1.35;color:var(--ink);}
.sec-text span{font-size:12px;color:var(--muted);}

/* ---------- 笔记列表 ---------- */
.blog-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:26px;}

.post-list{display:flex;flex-direction:column;gap:16px;}
.post-card{
  display:flex;gap:18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:14px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{
  text-decoration:none;transform:translateY(-2px);
  box-shadow:var(--shadow-lift);border-color:transparent;
}
.post-card-img{
  width:190px;flex:none;border-radius:var(--radius-sm);
  overflow:hidden;background:var(--teal-light);
}
.post-card-img img{width:100%;height:100%;object-fit:cover;min-height:128px;}
.post-card-body{min-width:0;display:flex;flex-direction:column;}
.post-card-body h2{
  margin:9px 0 7px;font-size:18px;font-weight:700;color:var(--ink);line-height:1.4;
}
.post-card-excerpt{
  color:var(--muted);font-size:13.5px;line-height:1.65;margin-bottom:auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-meta{
  font-size:12.5px;color:var(--muted);
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:10px;
}

.side-box{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px;margin-bottom:16px;
}
.side-title{
  font-size:12px;font-weight:700;color:var(--teal-dark);
  letter-spacing:.12em;margin-bottom:11px;
  padding-bottom:9px;border-bottom:1px solid var(--line);
}
.tag,.arch{
  display:inline-block;font-size:12.5px;
  background:var(--teal-light);color:var(--teal-dark);
  padding:4px 10px;border-radius:6px;margin:0 6px 6px 0;
}
.tag:hover,.arch:hover{background:var(--teal);color:#fff;text-decoration:none;}
.arch{display:block;margin-right:0;}

/* ---------- 文章正文 ---------- */
.post-hero{
  border-radius:var(--radius);overflow:hidden;margin-bottom:20px;
  max-height:300px;box-shadow:var(--shadow);
}
.post-hero img{width:100%;height:300px;object-fit:cover;}

.article{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 34px;
}
.article-head{margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.article-head h1{margin:10px 0 10px;font-size:29px;line-height:1.4;font-weight:700;}
.article-meta{font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;align-items:center;}

.article-body{font-size:15.5px;line-height:1.95;}
.article-body h2{
  font-size:20px;margin:34px 0 12px;padding-left:12px;
  border-left:4px solid var(--teal);line-height:1.4;
}
.article-body h3{font-size:17px;margin:26px 0 10px;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:24px;}
.article-body li{margin-bottom:7px;}
.article-body img{border-radius:var(--radius-sm);margin:16px 0;}
.article-body blockquote{
  margin:16px 0;padding:12px 18px;
  background:var(--teal-light);border-radius:var(--radius-sm);color:var(--teal-dark);
}
.article-body code{
  background:var(--teal-light);padding:2px 6px;border-radius:5px;font-size:13.5px;
}
.article-body pre{
  background:var(--navy);color:#DDEDEF;padding:16px 18px;
  border-radius:var(--radius-sm);overflow-x:auto;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{border-collapse:collapse;width:100%;margin:16px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:8px 12px;text-align:left;}
.article-body th{background:var(--teal-light);}

/* ---------- 相册 ---------- */
.album-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;}
.album-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.album-card:hover{
  text-decoration:none;transform:translateY(-3px);
  box-shadow:var(--shadow-lift);border-color:transparent;
}
.album-cover{aspect-ratio:4/3;background:var(--teal-light);overflow:hidden;}
.album-cover img{width:100%;height:100%;object-fit:cover;}
.album-cover-empty{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:13px;
}
.album-name{padding:12px 14px 2px;font-weight:600;color:var(--ink);}
.album-count{padding:0 14px 13px;font-size:12.5px;color:var(--muted);}

.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;}
.photo-item{
  border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:1;
  background:var(--teal-light);
}
.photo-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.photo-item:hover img{transform:scale(1.05);}

/* ---------- 留言板 ---------- */
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 26px;margin-bottom:22px;
}
.panel h2{margin:0 0 6px;font-size:19px;font-weight:700;}
.panel > p{margin:0 0 16px;color:var(--muted);font-size:14px;}

.form-row{margin-bottom:14px;}
.form-row label{
  display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;
}
input[type=text],input[type=password],textarea,select{
  width:100%;padding:10px 13px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--font);font-size:14.5px;color:var(--ink);
  background:#FBFDFD;
}
input[type=text]:focus,input[type=password]:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--teal);background:#fff;
  box-shadow:0 0 0 3px rgba(6,169,170,.13);
}
textarea{resize:vertical;line-height:1.7;}

.btn,.retro-btn{
  display:inline-block;border:none;cursor:pointer;
  background:var(--teal);color:#fff;
  font-family:var(--font);font-size:14.5px;font-weight:600;
  padding:10px 22px;border-radius:var(--radius-sm);
  transition:background .15s ease;
}
.btn:hover,.retro-btn:hover{background:var(--teal-dark);color:#fff;text-decoration:none;}
.btn-sm{padding:6px 14px;font-size:13px;}
.btn-ghost{background:var(--teal-light);color:var(--teal-dark);}
.btn-ghost:hover{background:var(--teal);color:#fff;}
.btn-danger{background:var(--coral);}
.btn-danger:hover{background:#D96A4C;}

.form-error{
  background:#FDECE7;color:#B2472A;
  padding:10px 14px;border-radius:var(--radius-sm);
  font-size:13.5px;margin-bottom:14px;
}

.gb-list{display:flex;flex-direction:column;gap:14px;}
.gb-entry{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px;
}
.gb-entry.gb-hidden{opacity:.55;border-style:dashed;}
.gb-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:7px;}
.gb-name{font-weight:700;color:var(--teal-dark);}
.gb-time{font-size:12.5px;color:var(--muted);}
.gb-flag{
  font-size:11.5px;background:var(--amber);color:#fff;
  padding:2px 8px;border-radius:5px;
}
.gb-msg{white-space:pre-wrap;line-height:1.75;}
.gb-admin{display:flex;gap:8px;margin-top:12px;}
.gb-admin form{margin:0;}
.gb-btn{
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-family:var(--font);font-size:12.5px;cursor:pointer;
  padding:5px 12px;border-radius:7px;
}
.gb-btn:hover{border-color:var(--teal);color:var(--teal-dark);}
.gb-btn-danger:hover{border-color:var(--coral);color:var(--coral);}
.gb-empty{
  text-align:center;color:var(--muted);
  background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius);padding:34px 20px;
}

/* ---------- 时光机入口页 ---------- */
.retro-intro{
  background:linear-gradient(135deg,var(--teal-light),#F6FBFA);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 28px;margin-bottom:24px;
}
.retro-intro h1{margin:0 0 10px;font-size:25px;font-weight:700;}
.retro-intro p{margin:0;color:var(--muted);max-width:62ch;}

.retro-group{margin-bottom:30px;}
.retro-group-head{
  display:flex;align-items:baseline;gap:10px;margin-bottom:14px;
}
.retro-group-head h2{margin:0;font-size:19px;font-weight:700;}
.retro-group-head span{font-size:13px;color:var(--muted);}

.retro-list{display:flex;flex-direction:column;gap:12px;}
.retro-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.retro-item:hover{box-shadow:var(--shadow-lift);border-color:transparent;}
.retro-item-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px;}
.retro-item-title{font-size:16.5px;font-weight:700;color:var(--ink);}
.retro-item-title:hover{color:var(--teal-dark);}
.retro-item-year{
  font-size:12px;color:var(--teal-dark);background:var(--teal-light);
  padding:2px 9px;border-radius:5px;
}
.retro-item-note{color:var(--muted);font-size:13.5px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--navy);color:#9FB6B9;
  padding:28px 0;margin-top:20px;font-size:13px;
}
.site-footer .inner{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.footer-counter{display:flex;align-items:center;gap:9px;}
.footer-counter b{color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.09em;}
.footer-dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);
}
.footer-note{opacity:.75;}
.footer-admin{margin-left:auto;}
.site-footer a{color:#8FD8D4;}

/* ---------- 后台 / 其他老类名的兜底 ---------- */
.welcome-box{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 26px;margin-bottom:20px;
}
.welcome-box h1{margin:0 0 10px;font-size:25px;font-weight:700;}
.welcome-box h2{margin:0 0 12px;font-size:19px;font-weight:700;}
.retro-form label{
  display:block;font-size:13px;font-weight:600;margin:14px 0 6px;
}
.retro-form label:first-child{margin-top:0;}
.blink-hint{color:var(--teal-dark);font-weight:600;}

.admin-table{width:100%;border-collapse:collapse;background:var(--surface);
  border-radius:var(--radius);overflow:hidden;}
.admin-table th,.admin-table td{
  padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px;
}
.admin-table th{background:var(--teal-light);color:var(--teal-dark);font-size:12.5px;letter-spacing:.06em;}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .intro-band{grid-template-columns:1fr;padding:24px 22px;}
  .intro-img{order:-1;}
  .hero-row{grid-template-columns:1fr;}
  .hero-card{min-height:300px;}
  .blog-layout{grid-template-columns:1fr;}
  .section-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .masthead-banner{display:none;}
}

@media (max-width:640px){
  body{font-size:14.5px;}
  .topbar-motto,.topbar-sep{display:none;}
  .mainnav .inner{overflow-x:auto;padding:0 8px;}
  .mainnav a{padding:13px 14px;white-space:nowrap;font-size:14px;}
  .nav-right{display:none;}
  .section-grid{grid-template-columns:1fr;}
  .post-card{flex-direction:column;}
  .post-card-img{width:100%;aspect-ratio:16/9;}
  .side-card-img{width:96px;}
  .article{padding:22px 18px;}
  .article-head h1{font-size:23px;}
  .hero-body h2{font-size:20px;}
  .post-hero img{height:190px;}
}