:root{
  --bg:#f4fbff;--card:rgba(255,255,255,.82);--text:#20354a;--muted:#718499;
  --line:#dceaf5;--accent:#5d89b6;--accent2:#8db8d7;--shadow:0 18px 50px rgba(70,115,150,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:linear-gradient(180deg,#eef9ff 0%,#f9fcff 45%,#f6f3ff 100%);color:var(--text);overflow-x:hidden}
body.night{--bg:#122033;--card:rgba(25,43,65,.84);--text:#edf6ff;--muted:#a9bfd4;--line:#31506f;--accent:#92bfe6;--accent2:#6d96bd;--shadow:0 18px 60px rgba(0,0,0,.25);background:linear-gradient(180deg,#102033,#172b45 60%,#1e2442)}
button,input{font:inherit}
.sea-glow{position:fixed;z-index:-1;border-radius:999px;filter:blur(10px);opacity:.5}
.sea-glow-a{width:420px;height:420px;background:#c5ebff;right:-180px;top:-120px}
.sea-glow-b{width:360px;height:360px;background:#ded1ff;left:-180px;bottom:-120px}
.topbar{max-width:1040px;margin:0 auto;padding:28px 22px 12px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:13px}.logo{width:48px;height:48px;display:grid;place-items:center;border-radius:17px;background:rgba(255,255,255,.7);box-shadow:var(--shadow);font-size:24px}
h1,h2,h3,p{margin-top:0}.brand h1{margin:2px 0 0;font-size:22px}.eyebrow,.soft-label{font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:700;margin-bottom:5px}
.icon-btn{border:0;background:var(--card);width:44px;height:44px;border-radius:15px;box-shadow:var(--shadow);cursor:pointer}
main{max-width:1040px;margin:0 auto;padding:12px 22px 70px}.card{background:var(--card);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow);backdrop-filter:blur(18px);border-radius:26px}
.hero{padding:30px;display:flex;justify-content:space-between;gap:25px;align-items:center}.hero h2{font-size:30px;margin:7px 0 10px}.muted{color:var(--muted);margin:0}
.anniversary{min-width:150px;text-align:center;padding:18px;border-radius:22px;background:linear-gradient(135deg,rgba(143,199,231,.22),rgba(187,170,239,.2))}.anniversary span,.anniversary small{display:block;color:var(--muted)}.anniversary strong{font-size:38px;line-height:1.15}
.today-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:18px;margin-top:18px}.today-card,.calendar-card{padding:25px}.section-title{display:flex;justify-content:space-between;gap:15px}.section-title h3{margin-bottom:14px}.time-chip{padding:8px 11px;height:max-content;border-radius:999px;background:rgba(93,137,182,.12);font-weight:700;color:var(--accent)}
.entry-content{font-size:17px;line-height:1.9;white-space:pre-wrap}.entry-meta,.entry-tags{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.date-row{display:flex;gap:11px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.date-row:last-child{border:0}.date-row span{font-size:20px}.date-row strong,.date-row small{display:block}.date-row small{color:var(--muted);margin-top:3px}
.timeline-section{margin-top:44px}.timeline-head{display:flex;justify-content:space-between;align-items:end;gap:18px}.timeline-head h2{margin-bottom:0}.search{display:flex;align-items:center;gap:8px;padding:11px 15px;border:1px solid var(--line);background:var(--card);border-radius:16px;min-width:240px}.search input{border:0;outline:0;background:transparent;color:var(--text);width:100%}
.status{padding:35px 0;text-align:center;color:var(--muted)}.timeline{position:relative;margin-top:26px}.timeline:before{content:"";position:absolute;left:14px;top:8px;bottom:8px;width:2px;background:var(--line)}
.timeline-item{position:relative;padding-left:44px;margin-bottom:18px}.timeline-dot{position:absolute;left:7px;top:29px;width:16px;height:16px;border-radius:50%;background:var(--accent2);border:4px solid var(--bg);box-shadow:0 0 0 2px var(--accent2)}
.timeline-card{padding:22px}.entry-head{display:flex;justify-content:space-between;gap:18px}.author{font-size:13px;color:var(--accent);font-weight:800}.title{margin:5px 0 14px}.date-time{text-align:right}.clock{display:block;font-size:18px}.date-time small{color:var(--muted)}.body{line-height:1.9;white-space:pre-wrap;margin-bottom:15px}
.tag{padding:5px 9px;border-radius:999px;background:rgba(93,137,182,.1)}
footer{text-align:center;color:var(--muted);padding:30px 20px 60px}footer span{font-size:24px}footer p{margin:7px 0 0;letter-spacing:.15em}
.empty{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:760px){.hero{align-items:stretch}.hero h2{font-size:25px}.anniversary{min-width:118px}.today-grid{grid-template-columns:1fr}.timeline-head{align-items:stretch;flex-direction:column}.search{width:100%}.entry-head{flex-direction:column}.date-time{text-align:left;display:flex;gap:8px;align-items:center}.topbar,main{padding-left:16px;padding-right:16px}}
@media(max-width:520px){.hero{flex-direction:column}.anniversary{display:flex;align-items:baseline;justify-content:center;gap:8px}.anniversary span,.anniversary small{display:inline}.hero,.today-card,.calendar-card{padding:21px}.timeline-card{padding:19px}}