:root{
  --rose:#c96b7d;--rose-deep:#8e4456;--rose-soft:#fff1f4;--ink:#563a42;--muted:#8d7178;
  --paper:#fffdfd;--line:#eddde2;--shadow:0 22px 70px rgba(117,67,80,.12);--radius:26px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0,#fff9fb 46%,#f8edf1 100%);line-height:1.75}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-shell{width:min(1180px,calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.84);backdrop-filter:blur(18px);border-bottom:1px solid rgba(237,221,226,.75)}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:16px;background:var(--rose);color:#fff;box-shadow:0 12px 28px rgba(201,107,125,.28)}.brand strong,.brand small{display:block}.brand strong{font-size:18px}.brand small{font-size:11px;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:4px}.site-nav a{padding:10px 12px;border-radius:999px;font-size:14px;color:#785a63}.site-nav a:hover{background:var(--rose-soft);color:var(--rose-deep)}.nav-toggle{display:none;border:0;background:var(--rose-soft);color:var(--rose-deep);padding:9px 14px;border-radius:12px}
.alert{margin-top:18px;padding:12px 16px;border-radius:14px}.alert-success{background:#eef9f2;color:#28714a}.alert-error{background:#fff0f0;color:#a23c3c}
.hero{padding:88px 0 72px;background:radial-gradient(circle at 15% 15%,rgba(255,207,219,.65),transparent 28%),radial-gradient(circle at 88% 12%,rgba(255,233,198,.55),transparent 30%)}
.hero-grid{display:grid;grid-template-columns:1.45fr .55fr;gap:54px;align-items:center}.eyebrow{display:inline-block;font-size:11px;letter-spacing:.22em;font-weight:800;color:var(--rose);text-transform:uppercase}.hero h1,.page-hero h1,.detail-hero h1{font-family:Georgia,"Songti SC",serif;line-height:1.18;margin:16px 0;color:#633e48}.hero h1{font-size:clamp(42px,6vw,76px);max-width:850px}.hero-copy p{font-size:18px;color:var(--muted)}.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:11px 20px;font-weight:700;cursor:pointer}.btn-primary{background:var(--rose);color:#fff;box-shadow:0 14px 30px rgba(201,107,125,.25)}.btn-soft{background:#fff;color:var(--rose-deep);border:1px solid var(--line)}
.hero-card{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:30px;border-radius:34px;background:rgba(255,255,255,.75);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.9)}.hero-card .hero-heart{grid-column:1/-1;width:78px;height:78px;display:grid;place-items:center;margin:0 auto 8px;border-radius:28px;background:var(--rose);color:#fff;font-size:38px}.hero-card b{font-size:32px;text-align:right}.hero-card span{align-self:center;color:var(--muted)}
.section{padding:76px 0}.section-tint{background:rgba(255,255,255,.58);border-block:1px solid rgba(237,221,226,.65)}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px;gap:20px}.section-head h2{font-family:Georgia,"Songti SC",serif;margin:6px 0 0;font-size:34px}.section-head>a{color:var(--rose);font-weight:700}
.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.story-card{overflow:hidden;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:24px;box-shadow:0 16px 38px rgba(103,61,73,.07)}.story-cover{aspect-ratio:4/3;overflow:hidden;background:#f8eef1}.story-cover img{width:100%;height:100%;object-fit:cover;transition:.35s}.story-card:hover .story-cover img{transform:scale(1.035)}.story-body{padding:21px}.story-body>span{font-size:12px;color:var(--rose)}.story-body h3{margin:8px 0;font-size:20px;line-height:1.4}.story-body p{margin:0;color:var(--muted);font-size:14px}
.letter-list{display:grid;gap:12px}.letter-row{display:grid;grid-template-columns:72px 1fr auto;align-items:center;gap:20px;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.2s}.letter-row:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(103,61,73,.08)}.letter-date{font-family:Georgia,serif;font-size:22px;color:var(--rose)}.letter-row h3{margin:0 0 4px}.letter-row p{margin:0;color:var(--muted);font-size:14px}.letter-row>b{color:var(--rose)}
.home-photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.home-photo-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:18px}
.page-main{min-height:70vh}.page-hero,.detail-hero{padding:70px 0 48px;text-align:center;background:radial-gradient(circle at 50% 0,rgba(255,213,223,.7),transparent 58%)}.page-hero h1{font-size:clamp(38px,5vw,58px);margin:12px 0}.page-hero p{max-width:680px;margin:auto;color:var(--muted)}
.empty-state{padding:54px;text-align:center;border:1px dashed #dfc8cf;border-radius:24px;background:rgba(255,255,255,.65);color:var(--muted)}
.detail-head{max-width:900px}.back-link{display:block;margin-bottom:28px;color:var(--rose);font-weight:700}.detail-hero h1{font-size:clamp(36px,5.4vw,62px);margin:14px auto;max-width:900px}.detail-meta{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.article-card{max-width:900px;margin:0 auto 80px;padding:46px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}.article-cover{width:100%;max-height:680px;object-fit:cover;border-radius:20px;margin-bottom:32px}.article-content{font-size:17px;color:#5e474e}.article-content p{margin:0 0 1.35em}.article-content h2,.article-content h3{font-family:Georgia,"Songti SC",serif;color:#663f49;margin-top:1.8em}.article-content img{margin:28px auto;border-radius:18px}.article-content blockquote,.article-note{margin:28px 0;padding:18px 22px;border-left:4px solid var(--rose);background:var(--rose-soft);border-radius:0 16px 16px 0}.article-video{width:100%;border-radius:20px;margin-top:24px}
.album-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.album-toolbar input{width:min(340px,55%);padding:11px 16px;border:1px solid var(--line);border-radius:999px;background:#fff}.album-grid{columns:4 240px;column-gap:14px}.album-grid figure{break-inside:avoid;margin:0 0 14px;border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line)}.album-grid img{width:100%}.album-grid figcaption{padding:10px 12px;font-size:12px;color:var(--muted)}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.video-card{overflow:hidden;border-radius:24px;background:#fff;border:1px solid var(--line)}.video-card video,.video-card>img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#111}.video-card>div{padding:22px}.video-card span{color:var(--rose);font-size:12px}.video-card h2{margin:8px 0}.video-card p{color:var(--muted)}
.progress-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:24px;margin-bottom:26px}.progress-card>div:not(.progress-track){text-align:center}.progress-card b,.progress-card span{display:block}.progress-card b{font-size:30px}.progress-card span{font-size:12px;color:var(--muted)}.progress-track{height:12px;border-radius:999px;background:#f4e4e9;overflow:hidden}.progress-track i{display:block;height:100%;background:linear-gradient(90deg,#d98091,#c35f74);border-radius:inherit}
.love-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.love-item{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}.love-check{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#fff1f4;color:var(--rose);font-weight:800}.love-item.is-done{background:#fff9fa}.love-item.is-done h3{text-decoration:line-through;color:#997a82}.love-item h3{margin:0;font-size:16px}.love-item p{margin:3px 0 0;font-size:12px;color:var(--muted)}.love-item img{width:62px;height:62px;object-fit:cover;border-radius:14px}
.tree-wrap{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}.love-tree{height:500px;position:relative}.tree-crown{position:absolute;inset:0 0 120px}.tree-crown span{position:absolute;left:calc(50% + (var(--i) % 6 - 2.5)*56px);top:calc((var(--i) / 6)*64px + (var(--i) % 2)*20px);font-size:44px;color:hsl(calc(346 + var(--i)*1.2),45%,62%);filter:drop-shadow(0 8px 12px rgba(167,80,101,.18))}.tree-trunk{position:absolute;left:50%;bottom:0;width:58px;height:200px;transform:translateX(-50%);background:linear-gradient(90deg,#a7745c,#7f513d,#b27d63);border-radius:50% 50% 18px 18px}.tree-copy h2{font-family:Georgia,"Songti SC",serif;font-size:36px}.tree-copy p{color:var(--muted);font-size:17px}
.bless-layout{display:grid;grid-template-columns:360px 1fr;gap:28px;align-items:start}.panel-card,.bless-form{padding:28px;background:#fff;border:1px solid var(--line);border-radius:24px}.bless-form{position:sticky;top:100px}.bless-form h2{margin-top:0}.bless-form label{display:block;margin:16px 0;font-weight:700}.bless-form input,.bless-form textarea{width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font:inherit}.bless-list{display:grid;gap:14px}.bless-list article{display:grid;grid-template-columns:auto 1fr;gap:15px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:20px}.bless-avatar{width:44px;height:44px;display:grid;place-items:center;border-radius:15px;background:var(--rose-soft);color:var(--rose);font-weight:800}.bless-list h3{margin:0;font-size:16px}.bless-list h3 span{margin-left:10px;font-weight:400;font-size:12px;color:var(--muted)}.bless-list p{margin:7px 0 0;color:#6e555d}
.unlock-page{min-height:calc(100vh - 160px);display:grid;place-items:center;padding:50px 20px}.unlock-card{width:min(430px,100%);padding:38px;text-align:center;background:rgba(255,255,255,.88);border:1px solid #fff;border-radius:32px;box-shadow:var(--shadow)}.unlock-icon{width:78px;height:78px;margin:0 auto 18px;display:grid;place-items:center;border-radius:27px;background:var(--rose);color:#fff;font-size:38px}.unlock-card h1{font-family:Georgia,"Songti SC",serif;margin:10px 0}.unlock-card p{color:var(--muted)}.unlock-card input{width:100%;padding:13px 16px;border-radius:999px;border:1px solid var(--line);text-align:center;margin:8px 0 12px}.unlock-card .btn{width:100%}
.not-found{min-height:70vh;display:grid;place-items:center;text-align:center}.not-found span{font-size:86px;color:#e7bdc7;font-weight:900}.not-found h1{font-family:Georgia,"Songti SC",serif}.not-found p{color:var(--muted)}
.site-footer{padding:28px 0;border-top:1px solid var(--line);background:rgba(255,255,255,.6)}.footer-inner{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}.footer-inner a{color:var(--rose)}
@media(max-width:900px){.site-nav{position:absolute;left:18px;right:18px;top:68px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.site-nav.is-open{display:flex}.nav-toggle{display:block}.hero-grid,.tree-wrap,.bless-layout{grid-template-columns:1fr}.hero-card{max-width:480px}.story-grid{grid-template-columns:repeat(2,1fr)}.home-photo-grid{grid-template-columns:repeat(2,1fr)}.video-grid{grid-template-columns:1fr}.bless-form{position:static}.tree-wrap{gap:20px}}
@media(max-width:620px){.site-shell{width:min(100% - 24px,1180px)}.header-inner{min-height:66px}.brand small{display:none}.hero{padding:54px 0}.hero h1{font-size:40px}.hero-grid{gap:28px}.section{padding:52px 0}.story-grid,.love-list-grid{grid-template-columns:1fr}.section-head h2{font-size:28px}.letter-row{grid-template-columns:54px 1fr auto;padding:18px 16px}.article-card{padding:24px;border-radius:22px}.album-grid{columns:2 145px}.progress-card{grid-template-columns:1fr;gap:12px}.tree-copy h2{font-size:30px}.footer-inner{flex-direction:column}.page-hero{padding:52px 0 36px}}