:root{
  --bg:#fbf7f2;
  --paper:#fffaf5;
  --ink:#302722;
  --muted:#7f7168;
  --accent:#c96f70;
  --accent-dark:#9d4548;
  --line:rgba(72,49,37,.14);
  --shadow:0 24px 70px rgba(80,55,37,.14);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(255,213,204,.55), transparent 30%),
    radial-gradient(circle at 90% 10%, rgba(255,231,204,.65), transparent 30%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.glass{
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.65);
  box-shadow:var(--shadow);
}
.site-header{min-height:100vh;position:relative;overflow:hidden}
.site-header:before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg, rgba(0,0,0,.23), rgba(0,0,0,.02)), url("images/photo-14.jpg") center/cover no-repeat;
  transform:scale(1.02);
}
.nav{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 28px));z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:999px;
}
.brand{font-weight:800;letter-spacing:.4px;padding-left:10px;white-space:nowrap}
.brand span{color:var(--accent);margin:0 4px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a,.small-button{
  padding:9px 12px;border-radius:999px;color:#513f35;background:transparent;
}
.nav-links a:hover,.small-button:hover{background:rgba(201,111,112,.13)}
.nav-toggle{display:none;background:rgba(255,255,255,.6);border-radius:999px;padding:8px 12px}
.hero{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:120px 20px 80px}
.hero-copy{width:min(760px,100%);padding:46px;border-radius:var(--radius);text-align:center}
.eyebrow{margin:0 0 12px;color:var(--accent-dark);font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase}
h1{font-size:clamp(38px,8vw,84px);line-height:1.02;margin:0 0 18px;letter-spacing:-.05em}
h2{font-size:clamp(28px,4vw,48px);line-height:1.12;margin:0 0 12px;letter-spacing:-.04em}
h3{margin:0 0 12px;font-size:22px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.primary,.secondary,button,.import-label{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;font-weight:700}
.primary,button{background:var(--accent);color:white}
.primary:hover,button:hover{background:var(--accent-dark)}
.secondary,.ghost,.import-label{background:rgba(255,255,255,.62);color:var(--ink);border:1px solid var(--line)}
.ghost:hover,.secondary:hover,.import-label:hover{background:white}
.section{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:92px 0}
.section-title{text-align:center;max-width:720px;margin:0 auto 36px}
.section-title.left{text-align:left;margin:0}
.section-title p{color:var(--muted);line-height:1.8}
.timer-section{padding-top:108px}
.time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;border-radius:var(--radius);padding:28px}
.time-grid div{background:rgba(255,250,245,.78);border:1px solid var(--line);border-radius:22px;text-align:center;padding:22px 12px}
.time-grid strong{display:block;font-size:clamp(36px,7vw,76px);line-height:1;color:var(--accent-dark);letter-spacing:-.06em}
.time-grid span{display:block;margin-top:10px;color:var(--muted);font-weight:700}
.center-note{text-align:center;color:var(--muted);margin:20px 0 0}
.two-column{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:center}
.birthday-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.birthday-cards.single-column .card p:last-child{margin-bottom:0}
.card{border-radius:var(--radius);padding:26px}
.big-date{font-size:32px;font-weight:900;color:var(--accent-dark);margin:12px 0}
.muted{color:var(--muted);line-height:1.75}
.timeline{position:relative;display:grid;gap:14px}
.timeline:before{content:"";position:absolute;left:20px;top:10px;bottom:10px;width:2px;background:var(--line)}
.timeline-item{position:relative;margin-left:44px;padding:20px 22px;border-radius:22px;background:rgba(255,255,255,.72);border:1px solid var(--line)}
.timeline-item:before{content:"";position:absolute;left:-33px;top:26px;width:13px;height:13px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 7px rgba(201,111,112,.16)}
.item-date{color:var(--accent-dark);font-weight:800;font-size:13px;letter-spacing:.04em}
.item-actions{margin-top:14px;display:flex;gap:8px}
.item-actions button{padding:8px 12px;font-size:13px}
.delete-btn{background:#3d312d}.delete-btn:hover{background:#17110f}
.soft-bg{width:100%;max-width:none;background:linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,226,218,.25));padding-left:max(16px,calc((100% - 1120px)/2));padding-right:max(16px,calc((100% - 1120px)/2))}
.message-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.message-card{min-height:180px;padding:22px;border-radius:24px;background:#fffdf9;border:1px solid var(--line);box-shadow:0 16px 40px rgba(80,55,37,.08)}
.message-card p{line-height:1.9;white-space:pre-wrap}
.message-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
.qa-list{display:grid;gap:14px}.qa-card{border-radius:24px;background:rgba(255,255,255,.72);border:1px solid var(--line);padding:24px}.qa-card h3{color:var(--accent-dark)}.qa-answers{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}.answer{background:#fffaf6;border:1px solid var(--line);border-radius:18px;padding:16px}.answer strong{display:block;margin-bottom:8px}.answer p{white-space:pre-wrap;line-height:1.8;margin:0;color:#51443d}
.carousel-shell{padding:20px;border-radius:var(--radius)}
.carousel-actions{display:flex;justify-content:flex-end;gap:10px;margin-bottom:14px}
.carousel-btn{min-width:48px;padding:12px 0}
.gallery-carousel{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 36px) / 4);gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:8px}
.gallery-carousel::-webkit-scrollbar{height:10px}
.gallery-carousel::-webkit-scrollbar-thumb{background:rgba(157,69,72,.25);border-radius:999px}
.photo-slide{scroll-snap-align:start;border-radius:24px;overflow:hidden;background:white;box-shadow:0 18px 50px rgba(80,55,37,.10);border:1px solid rgba(255,255,255,.8)}
.photo-slide a{display:block}
.photo-slide img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block}
.photo-slide figcaption{padding:12px 16px;color:var(--muted);font-size:14px}
.photo-slide small{display:block;margin-top:6px;color:var(--accent-dark);font-weight:700}
.edit-panel{margin:22px auto 0;border-radius:var(--radius);padding:24px;display:grid;gap:14px;max-width:760px}.hidden{display:none!important}.edit-active .edit-panel{display:grid!important}label{display:grid;gap:7px;color:#5a4a41;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:16px;padding:13px 14px;background:rgba(255,255,255,.88);outline:none}textarea{min-height:110px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:rgba(201,111,112,.62);box-shadow:0 0 0 4px rgba(201,111,112,.12)}.form-actions{display:flex;gap:10px;flex-wrap:wrap}.backup{border-radius:var(--radius);padding:28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.backup p{color:var(--muted);line-height:1.8;margin:0}.backup-actions{display:flex;gap:10px;flex-wrap:wrap}.import-label input{display:none}.footer{text-align:center;padding:42px 16px;color:var(--muted)}
.photo-page{min-height:100vh;padding:24px;background:linear-gradient(180deg,#fffaf5,#f8f1ea)}
.photo-detail{width:min(1100px,100%);margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.photo-stage{border-radius:32px;overflow:hidden}
.photo-stage img{width:100%;display:block;background:#fff}
.photo-panel{padding:28px;border-radius:28px}
.photo-panel h1{font-size:clamp(30px,4vw,54px)}
.photo-panel p{color:var(--muted);line-height:1.8}
.photo-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;color:var(--accent-dark);font-weight:700}
@media (max-width:980px){.gallery-carousel{grid-auto-columns:calc((100% - 12px) / 2)}}
@media (max-width:840px){.nav{align-items:flex-start;border-radius:26px}.nav-toggle{display:block}.nav-links{display:none;position:absolute;left:12px;right:12px;top:58px;flex-direction:column;align-items:stretch;padding:12px;border-radius:22px;background:rgba(255,255,255,.94);box-shadow:var(--shadow)}.nav.open .nav-links{display:flex}.nav-links a,.small-button{width:100%;text-align:left;justify-content:flex-start}.hero-copy{padding:32px 22px}.two-column,.birthday-cards,.message-grid,.qa-answers,.photo-detail{grid-template-columns:1fr}.time-grid{grid-template-columns:repeat(2,1fr);padding:16px}.section{padding:68px 0}.backup{display:grid}.section-title.left{text-align:center;margin:auto}.gallery-carousel{grid-auto-columns:85%}}