/* ============ imiss.eu.cc — 小清新 · 赛博文艺 ============ */

:root{
  --bg:        #f8f6f1;
  --bg-2:      #fffdf9;
  --ink:       #3f4a44;
  --ink-soft:  #8b9690;
  --line:      #e7e2d8;
  --mint:      #7fa892;
  --pink:      #e0959e;
  --sky:       #93b7d1;
  --sand:      #d8c39a;
  --shadow:    0 10px 30px rgba(90,100,92,.08);
  --shadow-s:  0 4px 14px rgba(90,100,92,.07);
  --serif: "Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono: "SFMono-Regular",Consolas,"JetBrains Mono",Menlo,monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:600; margin:0; letter-spacing:.02em; }

/* ---------- 背景光斑 ---------- */
.blobs{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.blob{ position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; }
.b1{ width:420px;height:420px;background:#cfe3d6; top:-120px; left:-90px; }
.b2{ width:360px;height:360px;background:#f6dde1; top:38%; right:-130px; }
.b3{ width:300px;height:300px;background:#dbe8f2; bottom:6%; left:-100px; }
.b4{ width:260px;height:260px;background:#f0e6d2; bottom:-90px; right:22%; }

.drift{ position:fixed; inset:0; z-index:1; pointer-events:none; }
.drift i{
  position:absolute; width:6px; height:6px; border-radius:50%;
  background:var(--mint); opacity:.28;
  animation:drift linear infinite;
}
@keyframes drift{
  0%   { transform:translateY(-8vh)  translateX(0)      scale(.6); opacity:0; }
  15%  { opacity:.35; }
  85%  { opacity:.25; }
  100% { transform:translateY(108vh) translateX(40px)   scale(1); opacity:0; }
}

/* ---------- 导航 ---------- */
.nav{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 40px;
  background:rgba(248,246,241,.72);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.nav:hover{ border-bottom-color:var(--line); }
.brand{ font-family:var(--serif); font-size:19px; letter-spacing:.04em; }
.brand-cc{ color:var(--ink-soft); font-size:14px; }
.nav nav{ display:flex; gap:26px; font-size:14px; color:var(--ink-soft); }
.nav nav a{ position:relative; transition:color .25s; }
.nav nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-4px; height:1px;
  background:var(--mint); transition:right .3s;
}
.nav nav a:hover{ color:var(--ink); }
.nav nav a:hover::after{ right:0; }

/* ---------- HERO ---------- */
.hero{
  position:relative; z-index:2;
  min-height:calc(100vh - 70px);
  display:grid; grid-template-columns:1fr 1.15fr;
  align-items:center; gap:60px;
  padding:60px 40px 40px;
}
.hero-text{ max-width:560px; }
.title{ font-size:clamp(38px,5.6vw,68px); line-height:1.25; }
.t-line{ display:block; }
.accent{ color:var(--mint); }
.type-line{
  font-family:var(--mono); font-size:15px; color:var(--ink-soft);
  margin:18px 0 0; min-height:28px;
}
.caret{
  display:inline-block; width:8px; height:16px; background:var(--pink);
  vertical-align:-3px; margin-left:3px; animation:blink 1s steps(1) infinite; opacity:.8;
}
@keyframes blink{ 50%{ opacity:0 } }
.lede{ margin:22px 0 30px; color:#5e6a63; font-size:15.5px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-block; border:0; cursor:pointer; font-family:var(--sans);
  font-size:14.5px; padding:12px 26px; border-radius:999px;
  transition:transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn.sm{ padding:9px 20px; font-size:13.5px; }
.btn.primary{ background:var(--mint); color:#fff; box-shadow:0 6px 18px rgba(127,168,146,.32); }
.btn.primary:hover{ transform:translateY(-2px); box-shadow:0 10px 24px rgba(127,168,146,.4); }
.btn.ghost{ background:transparent; color:var(--ink); border:1px solid var(--line); }
.btn.ghost:hover{ background:var(--bg-2); transform:translateY(-2px); }

/* 信封 */
.envelope{
  position:relative; width:min(360px,80vw); aspect-ratio:5/4;
  cursor:pointer; justify-self:center;
}
.env-body{
  position:absolute; inset:22% 0 0 0; background:var(--bg-2);
  border:1.5px solid var(--line); border-radius:10px;
  box-shadow:var(--shadow);
}
.env-flap{
  position:absolute; top:22%; left:0; right:0; height:26%;
  background:linear-gradient(180deg,#f2ece1,#e9e2d5);
  border:1.5px solid var(--line); border-radius:10px 10px 0 0;
  transform-origin:top center; transition:transform .6s cubic-bezier(.4,0,.2,1);
  clip-path:polygon(0 0,100% 0,50% 100%);
}
.envelope.open .env-flap{ transform:rotateX(180deg); }
.env-letter{
  position:absolute; left:8%; right:8%; top:26%; bottom:6%;
  background:#fffefb; border:1px solid var(--line); border-radius:8px;
  padding:18px 20px; box-shadow:var(--shadow-s);
  transform:translateY(52%); opacity:0;
  transition:transform .6s cubic-bezier(.4,0,.2,1), opacity .45s;
  display:flex; flex-direction:column; justify-content:center;
}
.envelope.open .env-letter{ transform:translateY(-26%); opacity:1; z-index:3; }
.letter-to{ font-family:var(--mono); font-size:11px; color:var(--ink-soft); margin:0 0 8px; }
.letter-line{ font-family:var(--serif); font-size:16px; margin:0 0 2px; }
.letter-line.big{ font-size:21px; color:var(--mint); }
.letter-sign{ font-family:var(--mono); font-size:11px; color:var(--ink-soft); margin:14px 0 0; }
.env-seal{
  position:absolute; z-index:4; right:12%; bottom:20%;
  width:52px;height:52px;border-radius:50%;
  background:var(--pink); color:#fff;
  display:grid; place-items:center;
  font-family:var(--mono); font-size:14px; letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(224,149,158,.4);
  transition:transform .5s;
}
.envelope.open .env-seal{ transform:translate(34%,70%) rotate(-14deg); }

.scroll-hint{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  color:var(--ink-soft); font-size:20px; animation:bob 2.2s ease-in-out infinite;
}
@keyframes bob{ 0%,100%{ transform:translate(-50%,0) } 50%{ transform:translate(-50%,8px) } }

/* ---------- 通用区块 ---------- */
.section{
  position:relative; z-index:2;
  max-width:1000px; margin:0 auto; padding:96px 40px;
}
.sec-head{ margin-bottom:40px; }
.sec-tag{
  font-family:var(--mono); font-size:12px; color:var(--ink-soft);
  letter-spacing:.14em; text-transform:uppercase;
}
.sec-head h2{ font-size:clamp(24px,3.2vw,34px); margin:10px 0 8px; }
.sec-sub{ color:var(--ink-soft); font-size:14.5px; margin:0; }
.pill{
  display:inline-block; margin-left:6px; padding:2px 10px; border-radius:999px;
  background:var(--bg-2); border:1px solid var(--line); font-size:12px; color:var(--ink);
}

/* 三重谐音 */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.card{
  background:var(--bg-2); border:1px solid var(--line); border-radius:16px;
  padding:28px 26px; box-shadow:var(--shadow-s);
  transition:transform .3s, box-shadow .3s;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.card-code{
  font-family:var(--mono); font-size:13px; color:var(--mint);
  background:rgba(127,168,146,.1); display:inline-block;
  padding:4px 10px; border-radius:6px; margin-bottom:16px;
}
.card-code span{ color:var(--ink-soft); }
.card h3{ font-size:19px; margin-bottom:10px; }
.card p{ margin:0; font-size:14.5px; color:#5e6a63; }
.card.c2 .card-code{ color:var(--pink); background:rgba(224,149,158,.12); }
.card.c3 .card-code{ color:var(--sky); background:rgba(147,183,209,.14); }

/* ---------- 树洞 ---------- */
.hole-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:34px; align-items:start; }
.compose{
  background:var(--bg-2); border:1px solid var(--line); border-radius:16px;
  padding:22px; box-shadow:var(--shadow-s); position:sticky; top:90px;
}
.compose textarea, .compose input{
  width:100%; border:1px solid var(--line); background:#fffefb;
  border-radius:10px; padding:12px 14px; font-family:var(--sans); font-size:14.5px;
  color:var(--ink); resize:vertical; outline:none; transition:border-color .25s;
}
.compose textarea:focus, .compose input:focus{ border-color:var(--mint); }
.compose-row{ display:flex; gap:10px; align-items:center; margin-top:12px; flex-wrap:wrap; }
.compose-row input{ flex:1; min-width:110px; }
.moods{ display:flex; gap:7px; }
.mood{
  width:18px;height:18px;border-radius:50%;border:2px solid transparent;cursor:pointer;
  padding:0; transition:transform .2s, border-color .2s;
}
.mood[data-mood=mint]{ background:#cfe3d6 }
.mood[data-mood=pink]{ background:#f6dde1 }
.mood[data-mood=sky]{ background:#dbe8f2 }
.mood[data-mood=sand]{ background:#f0e6d2 }
.mood.on{ border-color:var(--ink); transform:scale(1.15); }
.compose-tip{ font-size:12px; color:var(--ink-soft); margin:12px 0 0; }

.wall{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:16px;
}
.note{
  position:relative; padding:20px 18px 34px; border-radius:4px;
  font-family:var(--serif); font-size:14.5px; line-height:1.7;
  box-shadow:var(--shadow-s); border:1px solid rgba(0,0,0,.04);
  animation:pop .45s cubic-bezier(.2,1.2,.4,1) both;
  transition:transform .3s;
  word-break:break-word; white-space:pre-wrap;
}
.note:hover{ transform:rotate(0deg) translateY(-4px) !important; z-index:5; }
.note.mint{ background:#eef5f0 }
.note.pink{ background:#fbeef0 }
.note.sky{ background:#eef3f8 }
.note.sand{ background:#f7f1e6 }
.note .n-sign{
  position:absolute; right:14px; bottom:10px;
  font-family:var(--mono); font-size:11px; color:var(--ink-soft);
}
.note .n-time{
  position:absolute; left:14px; bottom:10px;
  font-family:var(--mono); font-size:10px; color:var(--ink-soft); opacity:.8;
}
.note .n-cc{
  position:absolute; top:-8px; right:-8px; width:26px;height:26px;border-radius:50%;
  background:var(--bg-2); border:1px solid var(--line); display:none;
  place-items:center; font-family:var(--mono); font-size:10px; cursor:pointer;
  color:var(--ink-soft); transition:color .2s, background .2s;
}
.note:hover .n-cc{ display:grid; }
.note .n-cc:hover{ background:var(--mint); color:#fff; }
.note .n-del{
  position:absolute; top:-8px; left:-8px; width:22px;height:22px;border-radius:50%;
  background:var(--bg-2); border:1px solid var(--line); display:none;
  place-items:center; font-size:12px; cursor:pointer; color:var(--ink-soft);
  line-height:1;
}
.note:hover .n-del{ display:grid; }
.note .n-del:hover{ background:var(--pink); color:#fff; }
@keyframes pop{
  from{ opacity:0; transform:scale(.85) translateY(14px); }
  to{ opacity:1; }
}
.wall-empty{ grid-column:1/-1; color:var(--ink-soft); font-size:14px; font-family:var(--serif); }

/* ---------- 记忆胶囊 ---------- */
.timeline{ position:relative; padding-left:26px; margin-bottom:28px; }
.timeline::before{
  content:""; position:absolute; left:6px; top:6px; bottom:6px; width:1px;
  background:linear-gradient(180deg,var(--mint),var(--pink),transparent);
}
.tl-item{ position:relative; margin-bottom:20px; }
.tl-item::before{
  content:""; position:absolute; left:-26px; top:14px; width:13px;height:13px;
  border-radius:50%; background:var(--bg); border:2px solid var(--mint);
}
.tl-date{ font-family:var(--mono); font-size:12px; color:var(--ink-soft); letter-spacing:.06em; }
.tl-card{
  background:var(--bg-2); border:1px solid var(--line); border-radius:14px;
  padding:18px 22px; margin-top:6px; box-shadow:var(--shadow-s);
  transition:transform .3s;
}
.tl-card:hover{ transform:translateX(6px); }
.tl-card h4{ font-size:17px; margin-bottom:6px; }
.tl-card p{ margin:0; font-size:14px; color:#5e6a63; }
.capsule-add{ display:flex; gap:10px; flex-wrap:wrap; padding-left:26px; }
.capsule-add input{
  border:1px solid var(--line); background:var(--bg-2); border-radius:10px;
  padding:10px 14px; font-family:var(--sans); font-size:14px; outline:none;
  transition:border-color .25s;
}
.capsule-add input:focus{ border-color:var(--mint); }
.capsule-add input:nth-child(1){ width:130px; }
.capsule-add input:nth-child(2){ width:160px; }
.capsule-add input:nth-child(3){ flex:1; min-width:180px; }

/* ---------- 心跳面板 ---------- */
.panel{
  background:var(--bg-2); border:1px solid var(--line); border-radius:16px;
  box-shadow:var(--shadow); overflow:hidden; font-family:var(--mono);
}
.panel-bar{
  display:flex; align-items:center; gap:8px; padding:12px 18px;
  background:#f3efe7; border-bottom:1px solid var(--line); font-size:12px; color:var(--ink-soft);
}
.dot{ width:9px;height:9px;border-radius:50%; }
.d1{ background:#e8b4b4 } .d2{ background:#e3d3a8 } .d3{ background:#a8cfb8 }
.panel-title{ margin-left:10px; color:var(--ink); }
.panel-meta{ margin-left:auto; display:flex; align-items:center; gap:6px; }
.live{ width:7px;height:7px;border-radius:50%; background:var(--mint); animation:pulse 1.6s infinite; }
@keyframes pulse{ 0%,100%{ opacity:1 } 50%{ opacity:.25 } }
.hosts{ list-style:none; margin:0; padding:8px 0; }
.host{
  display:grid; grid-template-columns:14px 1fr 180px 90px;
  align-items:center; gap:14px; padding:14px 20px; font-size:13px;
  border-bottom:1px solid rgba(0,0,0,.04);
}
.host:last-child{ border-bottom:0; }
.host.down{ background:rgba(224,149,158,.07); }
.ping{
  width:10px;height:10px;border-radius:50%; background:var(--mint);
  box-shadow:0 0 0 0 rgba(127,168,146,.6); animation:ring 2s infinite;
}
.ping.offline{ background:var(--pink); animation:ring-pink 2s infinite; }
@keyframes ring{
  0%{ box-shadow:0 0 0 0 rgba(127,168,146,.5) }
  70%{ box-shadow:0 0 0 10px rgba(127,168,146,0) }
  100%{ box-shadow:0 0 0 0 rgba(127,168,146,0) }
}
@keyframes ring-pink{
  0%{ box-shadow:0 0 0 0 rgba(224,149,158,.5) }
  70%{ box-shadow:0 0 0 10px rgba(224,149,158,0) }
  100%{ box-shadow:0 0 0 0 rgba(224,149,158,0) }
}
.h-bar{ height:6px; background:#efeae0; border-radius:999px; overflow:hidden; }
.h-bar i{ display:block; height:100%; width:var(--w); background:var(--mint); border-radius:999px; }
.host.down .h-bar i{ background:var(--pink); }
.h-stat{ text-align:right; color:var(--mint); font-size:12px; }
.host.down .h-stat{ color:var(--pink); }
.panel-foot{ margin:0; padding:14px 20px; font-size:12px; color:var(--ink-soft); background:#faf7f1; }
.panel-foot code{ background:rgba(0,0,0,.05); padding:2px 6px; border-radius:4px; }

/* ---------- 页脚 ---------- */
.footer{
  position:relative; z-index:2; text-align:center;
  padding:70px 40px 50px; border-top:1px solid var(--line); margin-top:40px;
}
.f-line{ font-family:var(--serif); font-size:26px; letter-spacing:.04em; }
.f-line em{ color:var(--ink-soft); font-style:normal; }
.footer p{ color:var(--ink-soft); font-size:13.5px; margin:8px 0 0; }
.f-note{ font-size:12px !important; opacity:.8; }

/* ---------- 弹窗 / toast ---------- */
.modal{
  position:fixed; inset:0; z-index:60; display:grid; place-items:center;
  background:rgba(50,58,53,.35); backdrop-filter:blur(6px);
  animation:fade .3s both; padding:20px;
}
.modal[hidden]{ display:none; }
@keyframes fade{ from{ opacity:0 } }
.modal-card{
  background:var(--bg-2); border-radius:18px; padding:34px 32px;
  max-width:420px; width:100%; box-shadow:0 24px 60px rgba(0,0,0,.18);
  animation:rise .4s cubic-bezier(.2,1.1,.4,1) both;
}
@keyframes rise{ from{ opacity:0; transform:translateY(20px) scale(.97) } }
.modal-tag{ font-family:var(--mono); font-size:11px; color:var(--pink); letter-spacing:.08em; }
.modal-msg{
  font-family:var(--serif); font-size:19px; line-height:1.8; margin:16px 0 10px;
  white-space:pre-wrap; word-break:break-word;
}
.modal-from{ font-family:var(--mono); font-size:12px; color:var(--ink-soft); margin:0 0 22px; }
.modal-actions{ display:flex; gap:10px; }

.toast{
  position:fixed; left:50%; bottom:34px; transform:translate(-50%,20px);
  background:var(--ink); color:#fff; font-size:13.5px; padding:11px 22px; border-radius:999px;
  z-index:80; opacity:0; pointer-events:none; transition:all .3s;
}
.toast.show{ opacity:1; transform:translate(-50%,0); }

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .hero{ grid-template-columns:1fr; gap:36px; padding-top:30px; min-height:auto; }
  .envelope{ order:-1; }
  .cards,.hole-wrap{ grid-template-columns:1fr; }
  .compose{ position:static; }
  .host{ grid-template-columns:14px 1fr 80px; }
  .h-bar{ display:none; }
}
@media (max-width:600px){
  .nav{ padding:14px 20px; }
  .nav nav{ gap:16px; font-size:13px; }
  .section{ padding:64px 20px; }
  .hero{ padding:20px 20px 30px; }
  .footer{ padding:50px 20px; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
}