:root{
  --pink:#ff5f8f;
  --pink-deep:#e63e74;
  --rose:#ff9ab5;
  --lilac:#9b7bff;
  --ink:#241d2e;
  --muted:#7b6f8a;
  --line:rgba(36,29,46,.09);
  --card:rgba(255,255,255,.72);
  --shadow:0 20px 50px -22px rgba(120,70,120,.45);
  --radius:22px;
  --serif:"LXGW WenKai","霞鹜文楷","Kaiti SC","STKaiti",KaiTi,"Songti SC",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);
  background:#fff8fb;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(255,95,143,.22)}

/* ---------- ambient blobs ---------- */
.blobs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;mix-blend-mode:multiply}
.b1{width:520px;height:520px;left:-140px;top:-160px;background:radial-gradient(circle,#ffc2d6,#ffc2d6 60%,transparent 70%)}
.b2{width:460px;height:460px;right:-120px;top:120px;background:radial-gradient(circle,#d9c8ff,#d9c8ff 60%,transparent 70%)}
.b3{width:600px;height:600px;left:30%;top:520px;background:radial-gradient(circle,#ffe1c9,#ffe1c9 60%,transparent 70%);opacity:.4}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(18px,5vw,56px);
  background:rgba(255,248,251,.72);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(255,255,255,.6);
}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-size:20px;letter-spacing:.04em}
.brand-mark{font-size:19px;filter:drop-shadow(0 4px 8px rgba(255,95,143,.4))}
.nav-links{display:flex;align-items:center;gap:clamp(14px,3vw,30px);font-size:14.5px;color:var(--muted)}
.nav-links a{transition:color .25s}
.nav-links a:hover{color:var(--pink-deep)}
.nav-links .ghost{
  padding:7px 15px;border:1px solid var(--line);border-radius:999px;color:var(--ink);
  background:rgba(255,255,255,.6);font-size:13.5px;
}

/* ---------- hero ---------- */
.hero{
  position:relative;z-index:1;
  min-height:min(92vh,860px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:clamp(40px,8vh,90px) 22px 90px;
  text-align:center;
}
#petals{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.hero-inner{position:relative;z-index:2;max-width:760px}
.eyebrow{
  display:inline-block;margin:0 0 22px;padding:7px 16px;border-radius:999px;
  font-size:12.5px;letter-spacing:.22em;color:var(--pink-deep);
  background:rgba(255,255,255,.75);border:1px solid rgba(255,95,143,.2);
  box-shadow:0 8px 24px -14px rgba(230,62,116,.6);
}
.hero h1{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(46px,10.5vw,104px);
  line-height:1.06;letter-spacing:.02em;margin:0 0 26px;
}
.hero h1 em{
  font-style:normal;position:relative;
  background:linear-gradient(100deg,var(--pink) 0%,#ff7f6b 45%,var(--lilac) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 em::after{
  content:"";position:absolute;left:2%;right:2%;bottom:.08em;height:.12em;border-radius:99px;
  background:linear-gradient(90deg,rgba(255,95,143,.55),rgba(155,123,255,.45));
  transform:scaleX(0);transform-origin:left;
  animation:underline 1.1s .5s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes underline{to{transform:scaleX(1)}}
.sub{color:var(--muted);font-size:clamp(15px,2.2vw,17.5px);line-height:1.9;margin:0 0 34px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;border:0;cursor:pointer;
  font-family:inherit;font-size:15px;border-radius:999px;
  padding:13px 26px;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .3s,background .3s;
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  color:#fff;background:linear-gradient(120deg,var(--pink),#ff7d6b 55%,var(--lilac));
  box-shadow:0 16px 32px -14px rgba(230,62,116,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 40px -16px rgba(230,62,116,.9)}
.btn-primary span{transition:transform .3s}
.btn-primary:hover span{transform:translateX(3px)}
.btn-text{color:var(--muted);background:rgba(255,255,255,.55);border:1px solid var(--line)}
.btn-text:hover{color:var(--ink);background:#fff}
.btn-outline{
  background:rgba(255,255,255,.7);border:1px solid var(--line);color:var(--ink);
}
.btn-outline:hover{background:#fff;transform:translateY(-1px)}
.hero-stats{
  display:flex;align-items:center;justify-content:center;gap:26px;margin-top:46px;color:var(--muted);
}
.hero-stats div{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-family:var(--serif);font-size:26px;color:var(--ink);font-weight:400}
.hero-stats span{font-size:12.5px;letter-spacing:.1em}
.hero-stats i{width:1px;height:32px;background:var(--line)}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:11.5px;letter-spacing:.24em;color:var(--muted);display:flex;flex-direction:column;
  align-items:center;gap:9px;z-index:2;
}
.scroll-hint span{width:1px;height:38px;background:linear-gradient(var(--pink),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{opacity:0;transform:translateY(-6px)}50%{opacity:1}100%{opacity:0;transform:translateY(8px)}}

/* ---------- composer ---------- */
main{position:relative;z-index:1;padding:0 clamp(16px,5vw,56px) 40px}
.composer-wrap{max-width:920px;margin:0 auto clamp(60px,10vh,110px)}
.composer{
  background:var(--card);
  backdrop-filter:blur(24px) saturate(170%);
  -webkit-backdrop-filter:blur(24px) saturate(170%);
  border:1px solid rgba(255,255,255,.8);
  border-radius:28px;padding:clamp(24px,4vw,44px);
  box-shadow:var(--shadow);
}
.composer-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.composer-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3.4vw,32px);margin:0}
.composer-head p{margin:0;color:var(--muted);font-size:14px}
.form{display:flex;flex-direction:column;gap:18px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;position:relative}
.field>span{font-size:12.5px;letter-spacing:.12em;color:var(--muted)}
.field input,.field textarea{
  font-family:inherit;font-size:15px;color:var(--ink);
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  border-radius:14px;padding:13px 15px;transition:border-color .25s,box-shadow .25s,background .25s;
  width:100%;resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:#b6acc2}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(255,95,143,.55);background:#fff;
  box-shadow:0 0 0 4px rgba(255,95,143,.1);
}
.counter{position:absolute;right:6px;bottom:-19px;font-size:11.5px;color:#b6acc2}
.counter i{font-style:normal}
.upload{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.upload-btn{
  cursor:pointer;font-size:13.5px;color:var(--pink-deep);
  border:1px dashed rgba(255,95,143,.45);border-radius:12px;padding:10px 16px;
  background:rgba(255,255,255,.6);transition:all .25s;
}
.upload-btn:hover{background:#fff;border-color:var(--pink)}
.preview{position:relative;width:78px;height:78px;border-radius:12px;overflow:hidden;box-shadow:0 10px 22px -14px rgba(0,0,0,.5)}
.preview img{width:100%;height:100%;object-fit:cover}
.preview button{
  position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;border:0;
  background:rgba(0,0,0,.55);color:#fff;font-size:13px;line-height:1;cursor:pointer;
}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:8px}
.hint{margin:0;font-size:12.5px;color:#a296ae;line-height:1.7;max-width:52ch}
#submitBtn[disabled]{opacity:.6;cursor:progress;transform:none}

/* ---------- wall ---------- */
.wall{max-width:1240px;margin:0 auto}
.wall-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.wall-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,40px);margin:0}
.search{position:relative;display:flex;align-items:center}
.search svg{
  position:absolute;left:14px;width:17px;height:17px;stroke:#b6acc2;fill:none;stroke-width:2;stroke-linecap:round;
}
.search input{
  font-family:inherit;font-size:14px;width:min(300px,62vw);
  padding:12px 16px 12px 40px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.8);color:var(--ink);transition:all .25s;
}
.search input:focus{outline:none;border-color:rgba(255,95,143,.5);background:#fff;box-shadow:0 0 0 4px rgba(255,95,143,.08)}
.grid{columns:3;column-gap:22px}
.card{
  break-inside:avoid;margin:0 0 22px;padding:24px 24px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 14px 40px -26px rgba(90,60,100,.55);
  transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s;
  position:relative;overflow:hidden;
  animation:cardIn .5s ease-out;
}
@keyframes cardIn{from{transform:translateY(12px)}to{transform:none}}
.card::before{
  content:"“";position:absolute;right:16px;top:-14px;font-family:var(--serif);
  font-size:86px;color:rgba(255,95,143,.1);line-height:1;pointer-events:none;
}
.card{cursor:pointer}
.card:hover{transform:translateY(-5px);box-shadow:0 26px 54px -28px rgba(90,60,100,.6)}
.card .to{
  display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--pink-deep);
  background:rgba(255,95,143,.1);padding:4px 11px;border-radius:999px;margin-bottom:14px;
}
.card .content{
  font-family:var(--serif);font-size:17px;line-height:1.95;margin:0 0 16px;
  color:#332a3d;white-space:pre-wrap;word-break:break-word;
}
.card .pic{border-radius:14px;overflow:hidden;margin:0 0 16px;background:#f5eef6}
.card .pic img{width:100%;max-height:420px;object-fit:cover;transition:transform .6s}
.card:hover .pic img{transform:scale(1.03)}
.card .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:#a296ae}
.card .who{display:flex;align-items:center;gap:7px}
.avatar{
  width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffd6e2,#e2d8ff);font-size:11px;color:#7a5a86;font-family:var(--serif);
}
.card .actions{display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.act{
  display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;cursor:pointer;
  font-family:inherit;font-size:13px;color:#a296ae;padding:6px 10px;border-radius:999px;transition:all .25s;
}
.act:hover{background:rgba(255,95,143,.08);color:var(--pink-deep)}
.act.liked{color:var(--pink-deep)}
.act .heart{font-size:15px;transition:transform .3s}
.act.liked .heart{animation:pop .45s cubic-bezier(.2,.9,.3,1.4)}
@keyframes pop{0%{transform:scale(1)}45%{transform:scale(1.45)}100%{transform:scale(1)}}
.comments{display:none;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.comments.open{display:block;animation:cardIn .3s ease-out}
.comment{display:flex;gap:8px;font-size:13.5px;line-height:1.7;margin-bottom:8px;color:#4b4058}
.comment b{color:var(--pink-deep);font-weight:500;flex-shrink:0}
.comment-form{display:flex;gap:8px;margin-top:10px}
.comment-form input{
  flex:1;font-family:inherit;font-size:13px;padding:8px 12px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
}
.comment-form input:focus{outline:none;border-color:rgba(255,95,143,.5)}
.comment-form button{
  border:0;border-radius:10px;padding:0 14px;background:rgba(255,95,143,.12);
  color:var(--pink-deep);font-family:inherit;font-size:13px;cursor:pointer;
}

/* ---------- empty / more ---------- */
.empty{text-align:center;padding:70px 20px;color:var(--muted)}
.empty-heart{font-size:52px;color:var(--rose);margin-bottom:10px;animation:beat 2.4s infinite}
@keyframes beat{0%,100%{transform:scale(1)}14%{transform:scale(1.12)}28%{transform:scale(1)}42%{transform:scale(1.08)}}
.empty p{margin:0 0 22px;font-size:15px}
.more-wrap{text-align:center;padding:24px 0 10px}
.skeleton{height:190px;border-radius:var(--radius);background:linear-gradient(100deg,#fdf1f6 30%,#fff 50%,#fdf1f6 70%);background-size:200% 100%;animation:sh 1.4s infinite;break-inside:avoid;margin-bottom:22px}
@keyframes sh{to{background-position:-200% 0}}

/* ---------- footer / toast ---------- */
.foot{
  position:relative;z-index:1;text-align:center;padding:44px 20px 60px;
  color:#a89cb4;font-size:12.5px;letter-spacing:.08em;
}
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,26px);
  background:rgba(36,29,46,.92);color:#fff;padding:12px 22px;border-radius:999px;
  font-size:13.5px;opacity:0;pointer-events:none;transition:all .35s cubic-bezier(.2,.8,.2,1);z-index:80;
  backdrop-filter:blur(10px);max-width:86vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1000px){.grid{columns:2}}
@media (max-width:640px){
  .grid{columns:1}
  .row-2{grid-template-columns:1fr}
  .hero{min-height:auto;padding-top:56px}
  .hero-stats{gap:18px;margin-top:36px}
  .nav-links{gap:14px;font-size:14px}
  .nav-links a:not(.ghost){display:none}
  .scroll-hint{display:none}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px;max-width:300px;margin:0 auto}
  .hero-actions .btn{justify-content:center}
  .form-foot{flex-direction:column;align-items:stretch}
  .form-foot .btn{justify-content:center}
  .search input{width:100%}
  .wall-head{flex-direction:column;align-items:stretch;gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}