/* ============================================================
   surface.css — 表层世界：星空 / Win98 窗口 / 彩虹3D标题 / 主页
   高度复刻参考图1
   ============================================================ */

/* ---------- 星空背景（多层星点 + 星云） ---------- */
.surface-world{
  position:absolute;inset:0;overflow:hidden;
  background:
   radial-gradient(1200px 800px at 78% 12%,rgba(90,60,160,.35),transparent 60%),
   radial-gradient(1000px 700px at 12% 82%,rgba(40,70,150,.30),transparent 60%),
   radial-gradient(700px 600px at 50% 50%,rgba(120,70,150,.16),transparent 65%),
   radial-gradient(ellipse at 50% 40%,#2a1d52 0%,#1a1138 46%,#0c0820 100%);
  transition:filter 1.2s, opacity 1.2s;
}
.surface-world.dimming{filter:brightness(.34) saturate(.7);}
/* 白色细星层 */
.surface-world::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  width:2px;height:2px;border-radius:50%;background:#fff;
  box-shadow:
   120px 80px 0 #fff,210px 160px 0 #fff,300px 60px 0 #fff,410px 200px 0 #fff,
   520px 110px 0 #fff,640px 40px 0 #fff,760px 180px 0 #fff,880px 90px 0 #fff,
   990px 220px 0 #fff,1120px 60px 0 #fff,1260px 150px 0 #fff,1380px 260px 0 #fff,
   70px 320px 0 #fff,180px 420px 0 #fff,330px 360px 0 #fff,470px 480px 0 #fff,
   600px 300px 0 #fff,720px 420px 0 #fff,840px 340px 0 #fff,980px 500px 0 #fff,
   1090px 360px 0 #fff,1230px 460px 0 #fff,1360px 380px 0 #fff,1490px 520px 0 #fff,
   40px 600px 0 #fff,160px 700px 0 #fff,290px 620px 0 #fff,420px 760px 0 #fff,
   560px 660px 0 #fff,690px 780px 0 #fff,820px 620px 0 #fff,950px 720px 0 #fff,
   1080px 820px 0 #fff,1210px 680px 0 #fff,1340px 800px 0 #fff,1470px 700px 0 #fff,
   100px 900px 0 #fff,240px 1020px 0 #fff,380px 940px 0 #fff,510px 1080px 0 #fff,
   650px 980px 0 #fff,790px 1100px 0 #fff,920px 960px 0 #fff,1060px 1060px 0 #fff,
   1200px 940px 0 #fff,1330px 1100px 0 #fff,1460px 1000px 0 #fff,
   260px 240px 0 #cdd6ff,580px 200px 0 #fff,900px 260px 0 #e6d6ff,1180px 240px 0 #fff,
   1500px 120px 0 #d9e2ff,60px 520px 0 #fff,740px 560px 0 #cdd6ff,1140px 560px 0 #fff,
   360px 840px 0 #fff,1000px 880px 0 #e6d6ff,1420px 880px 0 #fff,
   90px 180px 0 1px rgba(255,255,255,.6),480px 40px 0 1px rgba(255,255,255,.5),
   1300px 320px 0 1px rgba(255,255,255,.6),700px 900px 0 1px rgba(255,255,255,.5);
  animation:starTwinkle 3.6s ease-in-out infinite;
}
/* 彩色亮星层 */
.surface-world::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  width:3px;height:3px;border-radius:50%;
  box-shadow:
   180px 120px 0 1px #ffd86b, 430px 250px 0 1px #8ab4ff, 700px 100px 0 1px #d28aff,
   1020px 180px 0 1px #ffe9a0, 1320px 90px 0 1px #8affc8, 90px 460px 0 1px #c98aff,
   560px 540px 0 1px #ffb0e0, 880px 460px 0 1px #8ab4ff, 1240px 520px 0 1px #ffd86b,
   1480px 300px 0 1px #d28aff, 250px 760px 0 1px #8affc8, 620px 880px 0 1px #ffe9a0,
   980px 780px 0 1px #ffb0e0, 1380px 920px 0 1px #8ab4ff, 150px 1080px 0 1px #d28aff,
   760px 1080px 0 1px #ffd86b, 1160px 1040px 0 1px #c98aff,
   340px 320px 2px 0 rgba(255,230,140,.35), 1080px 360px 2px 0 rgba(150,180,255,.3),
   500px 700px 2px 0 rgba(220,150,255,.3);
  animation:starTwinkle 5.1s ease-in-out infinite .8s;
}
@keyframes starTwinkle{0%,100%{opacity:.95;}50%{opacity:.45;}}

/* ---------- Win98 窗口 ---------- */
.win98{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(966px,96vw);height:min(880px,98vh);max-height:98vh;
  background:#c9c9c9;border:2px solid;
  border-color:#fff #4a4a4a #4a4a4a #fff;
  box-shadow:2px 2px 0 #1d1d1e,inset 1px 1px 0 #dfdfdf;
  display:flex;flex-direction:column;overflow:hidden;z-index:5;
}
.win98-titlebar{
  background:linear-gradient(90deg,#000080,#1084d0);
  color:#fff;font-weight:700;font-size:13px;padding:3px 4px 3px 8px;
  display:flex;justify-content:space-between;align-items:center;flex:0 0 auto;
  font-family:var(--f-sans);
}
.win-btns span{
  display:inline-grid;place-items:center;width:18px;height:16px;margin-left:2px;
  background:#c9c9c9;color:#000;font-size:11px;font-weight:900;
  border:1px solid;border-color:#fff #4a4a4a #4a4a4a #fff;
  font-family:var(--f-mono);
}
.win-btns .buggy{color:#000;}

/* ---------- 彩虹金属横幅 ---------- */
.rainbow-banner{
  position:relative;margin:8px 8px 4px;height:118px;flex:0 0 auto;
  border:2px solid;border-color:#5a5a5a #fff #fff #5a5a5a;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:
   linear-gradient(180deg,rgba(0,0,0,.42) 0%,rgba(255,255,255,.42) 16%,
        rgba(255,255,255,0) 38%,rgba(0,0,0,.10) 66%,rgba(0,0,0,.52) 100%),
   repeating-linear-gradient(90deg,
     #ff2f6e 0 56px,#ff8a2e 56px 112px,#ffd83d 112px 168px,#37d67a 168px 224px,
     #2fb6ff 224px 280px,#9b52ff 280px 336px,#ff2f6e 336px 392px);
  box-shadow:inset 0 0 18px rgba(0,0,0,.35);
}
.rainbow-banner::after{ /* 金属拉丝高光 */
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.10) 0 2px,rgba(0,0,0,.05) 2px 4px);
  mix-blend-mode:overlay;pointer-events:none;
}
/* 3D 立体彩虹标题字 */
.rb-text{
  position:relative;z-index:2;
  font-family:"STKaiti","KaiTi","楷体",var(--f-serif);
  font-weight:900;font-size:74px;letter-spacing:6px;line-height:1;
  color:transparent;-webkit-text-stroke:2.2px #3a1147;
  background:linear-gradient(180deg,#fff7c8 0%,#ffe24d 11%,#ff9a3d 24%,
     #ff3b6b 39%,#27d07a 55%,#27b6ff 71%,#8a4dff 87%,#cf7bff 100%);
  -webkit-background-clip:text;background-clip:text;
  filter:
    drop-shadow(1px 1px 0 #6e1c63) drop-shadow(2px 2px 0 #5d1657)
    drop-shadow(3px 3px 0 #4d104b) drop-shadow(4px 4px 0 #3c0b3f)
    drop-shadow(5px 5px 0 #2d0733) drop-shadow(6px 6px 0 #200527)
    drop-shadow(7px 9px 9px rgba(0,0,0,.6));
  animation:rbGlow 3.4s ease-in-out infinite;
}
@keyframes rbGlow{0%,100%{filter:
    drop-shadow(1px 1px 0 #6e1c63) drop-shadow(2px 2px 0 #5d1657)
    drop-shadow(3px 3px 0 #4d104b) drop-shadow(4px 4px 0 #3c0b3f)
    drop-shadow(5px 5px 0 #2d0733) drop-shadow(6px 6px 0 #200527)
    drop-shadow(7px 9px 9px rgba(0,0,0,.6)) drop-shadow(0 0 6px rgba(255,180,255,.25));}
  50%{filter:
    drop-shadow(1px 1px 0 #6e1c63) drop-shadow(2px 2px 0 #5d1657)
    drop-shadow(3px 3px 0 #4d104b) drop-shadow(4px 4px 0 #3c0b3f)
    drop-shadow(5px 5px 0 #2d0733) drop-shadow(6px 6px 0 #200527)
    drop-shadow(7px 9px 9px rgba(0,0,0,.6)) drop-shadow(0 0 14px rgba(255,200,255,.5));}}

/* ---------- 工具栏 + 跑马灯 ---------- */
.marquee-bar{
  margin:0 8px 6px;flex:0 0 auto;display:flex;align-items:stretch;gap:4px;height:34px;
}
.marquee-mini{display:flex;gap:3px;align-items:center;padding:0 4px;
  background:#c9c9c9;border:2px solid;border-color:#fff #5a5a5a #5a5a5a #fff;}
.tb-ico{width:18px;height:18px;display:inline-block;}
.tb-win{background:
  linear-gradient(#e8443a,#e8443a) 0 0/50% 50% no-repeat,
  linear-gradient(#3aa8e8,#3aa8e8) 100% 0/50% 50% no-repeat,
  linear-gradient(#3ac25a,#3ac25a) 0 100%/50% 50% no-repeat,
  linear-gradient(#ffd83d,#ffd83d) 100% 100%/50% 50% no-repeat;}
.tb-candle{background:
  radial-gradient(circle at 50% 32%,#ffd83d 0 3px,#ff8a2e 3px 5px,transparent 6px),
  linear-gradient(#f2f2f2,#cfcfcf) 50% 100%/6px 9px no-repeat;}
.marquee-viewport{
  flex:1;background:#fff;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;
  overflow:hidden;position:relative;display:flex;align-items:center;
}
.marquee-track{
  position:absolute;left:0;top:0;height:100%;display:flex;align-items:center;
  white-space:nowrap;will-change:transform;
  font-family:"STKaiti","KaiTi",var(--f-serif);font-size:21px;color:#8c1f1f;
  font-weight:700;animation:marqueeScroll 16s linear infinite;
}
.marquee-track span{padding-right:70px;}
@keyframes marqueeScroll{from{transform:translateX(12%);}to{transform:translateX(-50%);}}
.marquee-num{
  width:38px;background:#fff;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;
  display:grid;place-items:center;font-weight:800;font-size:18px;}
.marquee-arrow{display:flex;flex-direction:column;justify-content:space-between;padding:2px 0;}
.marquee-arrow span{
  width:24px;flex:1;background:#c9c9c9;font-size:8px;display:grid;place-items:center;color:#4a4a4a;
  border:1px solid;border-color:#fff #5a5a5a #5a5a5a #fff;}

/* ---------- 主体网格 ---------- */
.home-grid{margin:0 8px;flex:0 0 auto;display:grid;grid-template-columns:1fr 286px;gap:8px;}
.photo-nav{
  display:grid;grid-template-columns:288px 1fr;gap:10px;
  background:#fff;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;padding:8px;
}
.photo-frame{
  position:relative;width:100%;height:318px;background:#d9d9d9;overflow:hidden;
  border:2px solid #aaa;cursor:pointer;
}
.photo-frame svg{width:100%;height:100%;display:block;}
.photo-hot{cursor:pointer;}
.photo-frame:hover .photo-hot{opacity:.85;}
.nav-col{display:flex;flex-direction:column;justify-content:space-evenly;
  padding:8px 6px;background:#fff;}
.nav-col a{
  font-family:"STKaiti","KaiTi",var(--f-serif);font-size:30px;color:#0000ee;
  text-decoration:underline;cursor:pointer;line-height:1.5;letter-spacing:2px;
}
.nav-col a:hover{color:#ff3b6b;}
.nav-col a.locked{color:#9a9a9a;}

/* 右列 */
.right-col{display:flex;flex-direction:column;gap:8px;}
.pixel-icons{margin-top:auto;}
.counter-box{
  background:#fff;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;padding:6px 8px;
}
.counter-line{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:700;}
.mini-led{width:14px;height:14px;background:
  linear-gradient(135deg,#d8d8d8 0 45%,#8a8a8a 46% 55%,#f2f2f2 56%);
  border:1px solid #6a6a6a;}
.num-val{
  font-family:var(--f-mono);font-weight:900;font-size:26px;letter-spacing:3px;color:#111;
  text-shadow:1px 1px 0 #bbb;
}
.counter-sub{
  margin-top:3px;background:#dcdcdc;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;
  padding:4px 8px;font-size:15px;color:#333;
}
/* 建设牌 */
.construction-wrap{display:flex;justify-content:center;padding:6px 0;}
.construction-sign{position:relative;width:230px;cursor:pointer;}
.construction-sign .sign-text{
  position:relative;z-index:2;display:block;
  background:repeating-linear-gradient(45deg,#f2c019 0 10px,#161616 10px 20px);
  padding:8px;border:2px solid #161616;
  box-shadow:3px 4px 0 rgba(0,0,0,.4);
}
.construction-sign .sign-text > div{
  background:#f2c019;padding:5px 6px;font-weight:900;font-size:20px;line-height:1.2;
  text-align:center;color:#111;text-shadow:1px 1px 0 rgba(255,255,255,.45);
}
.sign-posts{position:absolute;top:100%;width:9px;height:30px;background:
  linear-gradient(90deg,#b89012,#f2c019,#b89012);z-index:1;}
.sign-posts.l{left:26px;}.sign-posts.r{right:26px;}

/* 像素图标（鲜艳） */
.pixel-icons{display:flex;justify-content:space-around;align-items:flex-end;padding:8px 4px 2px;}
.px-icon{width:62px;cursor:pointer;transition:transform .15s;}
.px-icon:hover{transform:translateY(-3px) scale(1.06);}
.px-icon svg{width:100%;height:auto;display:block;filter:drop-shadow(1px 2px 2px rgba(0,0,0,.3));}
.flame-flick{transform-origin:50% 90%;animation:flameFlick .42s ease-in-out infinite alternate;}
@keyframes flameFlick{from{transform:scaleY(1) scaleX(1) skewX(-2deg);}to{transform:scaleY(1.12) scaleX(.94) skewX(3deg);}}

/* ---------- 紧凑工具条（MIDI / 投票 / 友链） ---------- */
.tool-strip{
  margin:8px 8px 0;flex:0 0 auto;display:flex;gap:6px;flex-wrap:wrap;
  background:#c9c9c9;border:2px solid;border-color:#fff #5a5a5a #5a5a5a #fff;padding:5px;
  font-size:12.5px;
}
.ts-cell{background:#f4f4ee;border:1px solid #9a9a9a;padding:4px 8px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.ts-midi{flex:1 1 260px;}
.midi-title{color:#003a8a;font-weight:700;}
.midi-state{color:#2a8a3a;font-weight:700;}
.mini-btn{font-size:11px;padding:1px 8px;background:#c9c9c9;border:1px solid;border-color:#fff #5a5a5a #5a5a5a #fff;}
.mini-btn:active{border-color:#5a5a5a #fff #fff #5a5a5a;}
.ts-vote{flex:1 1 220px;}
.ts-vote label{margin:0 6px 0 2px;cursor:pointer;white-space:nowrap;}
.vote-result{color:#9c1f1f;font-style:italic;}
.ts-links{flex:1 1 300px;}
.links-label{color:#7a4a00;font-weight:700;}
.ts-links a{color:#0000ee;text-decoration:underline;cursor:pointer;margin-right:8px;white-space:nowrap;}
.ts-links a.dead{color:#9a9a9a;text-decoration:line-through;}

/* ---------- 留言本预览 ---------- */
.guestbook-wrap{margin:8px;flex:1 1 auto;min-height:0;display:flex;flex-direction:column;}
.gb-titlebar{
  background:linear-gradient(90deg,#8a8a8a,#bdbdbd);color:#111;font-weight:700;
  padding:3px 8px;border:2px solid;border-color:#fff #5a5a5a #5a5a5a #fff;font-size:14px;
}
.gb-head{flex:none;background:#efe7d1;border-bottom:1px solid #c8bd9c;padding:5px 12px;
  font-size:12px;color:#6a5a36;display:flex;justify-content:space-between;gap:10px;
  font-family:var(--f-sans);flex-wrap:wrap;}
.gb-head .gbh-l{color:#8a5a1a;font-weight:bold;}
.gb-paper{
  flex:1;min-height:0;background:#fffdf6;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;
  font-family:var(--f-serif);overflow:auto;
}
.gb-entry{display:flex;gap:11px;padding:11px 15px;border-bottom:1px dashed #d8d0bc;line-height:1.7;}
.gb-entry.pinned{background:#fdf2cc;}
.gb-entry.recognition{background:#f1ecfb;}
.gb-entry.struck .gb-body{color:#9c1f1f;text-decoration:line-through;text-decoration-color:#111;}
.gb-ava{flex:0 0 38px;width:38px;height:38px;border-radius:4px;display:grid;place-items:center;
  color:#fff;font-size:18px;font-weight:bold;font-family:var(--f-serif);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);}
.gb-main{flex:1;min-width:0;}
.gb-meta{font-size:12px;color:#9a9284;font-family:var(--f-mono);margin-bottom:3px;}
.gb-meta .gb-name{color:#0a3aa0;font-weight:bold;font-family:var(--f-sans);font-size:13.5px;margin-right:7px;}
.gb-meta .gb-ip{color:#a8a092;margin-left:7px;}
.gb-body{font-size:14px;line-height:1.85;color:#2a2620;word-break:break-word;}
.gb-reply{margin-top:7px;margin-left:6px;padding:6px 11px;background:#efedfb;border-left:3px solid #8a7ac0;
  font-size:13px;color:#463c60;line-height:1.75;border-radius:0 3px 3px 0;}
.gb-reply::before{content:"站长回复：";color:#6452a0;font-weight:bold;}
.gb-nav{margin-top:8px;}
.gb-nav a{cursor:pointer;}
.small{font-size:12.5px;color:#666;}

/* ---------- 状态栏 ---------- */
.win98-statusbar{display:flex;gap:4px;flex:0 0 auto;padding:4px 8px 6px;}
.sb-cell{
  flex:1;background:#c9c9c9;border:2px solid;border-color:#7a7a7a #fff #fff #7a7a7a;
  padding:3px 10px;font-size:13px;color:#222;text-align:center;
}
.sb-cell:first-child{flex:2;text-align:left;}

/* ---------- 子页面（窗口内覆盖层） ---------- */
.subpage{
  position:absolute;inset:6px;z-index:30;background:#c9c9c9;
  border:2px solid;border-color:#fff #4a4a4a #4a4a4a #fff;
  display:flex;flex-direction:column;box-shadow:4px 4px 0 rgba(0,0,0,.4);
}
.subpage-titlebar{
  background:linear-gradient(90deg,#000080,#1084d0);color:#fff;font-weight:700;
  padding:4px 8px;display:flex;justify-content:space-between;flex:0 0 auto;
}
.subpage-close{cursor:pointer;font-weight:900;padding:0 6px;}
.subpage-body{flex:1;min-height:0;background:#fbfaf4;border:2px solid #7a7a7a;margin:6px;
  padding:14px 20px;overflow:auto;}
.scrollpage::-webkit-scrollbar{width:16px;}
.scrollpage::-webkit-scrollbar-track{background:#dfdfdf;}
.scrollpage::-webkit-scrollbar-thumb{background:silver;border:1px outset #fff;}

.page-welcome{text-align:center;font-family:"STKaiti","KaiTi",var(--f-serif);
  font-size:22px;font-weight:800;color:#c0307a;letter-spacing:2px;margin:4px 0 12px;}
.sub-h{text-align:center;font-weight:800;color:#1a4ea0;margin:16px 0 8px;font-size:15px;
  letter-spacing:2px;}
.sub-h:first-child{margin-top:4px;}

/* 资料表 */
.profile-table{width:100%;border-collapse:collapse;background:#fff;border:2px solid #8a8a8a;}
.profile-table td{border:1px solid #b5b5b5;padding:5px 10px;font-size:13.5px;vertical-align:top;}
.profile-table td.tk{width:110px;background:#eceae0;color:#555;font-weight:700;white-space:nowrap;}
.prose{font-family:var(--f-serif);line-height:1.95;font-size:14.5px;color:#2a2a2a;text-indent:2em;
  background:#fff;border:1px dashed #c9c3b0;padding:10px 14px;}

/* 贴纸 */
.sticker{
  display:inline-block;margin:4px 6px 0 0;padding:5px 12px;background:#ffe9a8;
  border:1px solid #d8b85a;border-radius:14px;cursor:pointer;font-size:14px;
  box-shadow:1px 2px 2px rgba(0,0,0,.15);
}
.sticker:hover{transform:rotate(-2deg);}

/* 更新日志 / 列表 */
.update-log{list-style:none;background:#fff;border:1px solid #c9c3b0;padding:8px 14px;font-size:13.5px;line-height:1.9;}
.update-log li b{color:#003a8a;font-family:var(--f-mono);margin-right:6px;}

/* 相册 */
.group-shot{cursor:pointer;}
.group-shot svg{box-shadow:2px 3px 6px rgba(0,0,0,.25);}
.photo-grid2{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px;}
.photo-item{margin:0;text-align:center;}
.polaroid{background:#fff;padding:8px 8px 0;border:1px solid #ccc;
  box-shadow:2px 3px 6px rgba(0,0,0,.2);transform:rotate(-1deg);}
.photo-item:nth-child(even) .polaroid{transform:rotate(1.4deg);}
.polaroid svg{width:100%;height:auto;display:block;}
.polaroid.broken-photo{aspect-ratio:200/140;display:flex;flex-direction:column;
  align-items:center;justify-content:center;background:#f0f0f0;color:#9a9a9a;gap:6px;}
.redx{font-size:34px;color:#c01818;font-weight:900;line-height:1;}
.photo-item figcaption{font-family:var(--f-serif);font-size:12.5px;color:#444;padding:6px 2px 2px;line-height:1.5;}
.photo-item figcaption b{color:#003a8a;}

/* 好友 */
.friend-row{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #d8d2c0;
  padding:7px 10px;margin-bottom:7px;}
.friend-avatar{width:38px;height:38px;flex:0 0 38px;border-radius:50%;display:grid;place-items:center;
  font-size:20px;background:#cfd8e6;color:#5a7aa8;border:1px solid #9fb0c8;}
.friend-avatar.lit{background:#bfe3c4;color:#2a8a3a;}
.friend-avatar.dead{background:#e2e2e2;color:#aaa;filter:grayscale(1);}
.friend-row .dead{color:#9a9a9a;}

/* 涂鸦板 */
.doodle-board{margin-top:12px;background:#fbf9ef;border:2px dashed #b8a878;padding:12px 14px;cursor:pointer;}
.doodle-board.found{background:#e8f0e8;}
.doodle-title{font-family:"STKaiti","KaiTi",var(--f-serif);font-weight:800;color:#7a5a1a;margin-bottom:6px;}
.doodle-scrawl{font-family:"STKaiti","KaiTi",var(--f-serif);font-size:17px;line-height:2;color:#333;}
.doodle-scrawl.faint{color:#b09a6a;}

/* ============================================================
   Round3 新增：写实照片相框 / 数字锁 / 相册 / 邮箱客户端
   ============================================================ */

/* ---------- 主页写实照片相框 ---------- */
.photo-frame-real{
  background:#f4efe2;
  border:6px solid #fff;
  box-shadow:2px 3px 8px rgba(0,0,0,.35), inset 0 0 0 1px #d8d0b8;
  overflow:hidden;cursor:pointer;
}
.photo-rim{position:absolute;inset:0;pointer-events:none;z-index:2;
  box-shadow:inset 0 0 24px rgba(60,40,20,.45);}
.portrait-img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .35s ease, filter .35s ease;
  filter:grayscale(.18) contrast(1.05) sepia(.12);}
.photo-frame-real:hover .portrait-img{transform:scale(1.05);filter:grayscale(.1) contrast(1.1) sepia(.08);}
.photo-tape{position:absolute;top:-6px;width:80px;height:22px;z-index:3;
  background:rgba(255,235,180,.55);border-left:1px dashed rgba(120,90,30,.4);
  border-right:1px dashed rgba(120,90,30,.4);box-shadow:0 1px 2px rgba(0,0,0,.2);}
.photo-tape.tape-l{left:-10px;transform:rotate(-8deg);}
.photo-tape.tape-r{right:-10px;transform:rotate(6deg);}
.photo-heart{position:absolute;top:8px;right:10px;z-index:3;color:#d8386a;
  font-size:20px;text-shadow:0 1px 2px rgba(0,0,0,.3);}
.photo-caption{position:absolute;bottom:6px;left:0;right:0;z-index:3;
  text-align:center;font-family:"STKaiti","KaiTi",var(--f-serif);
  font-size:13px;color:#5a4a2a;text-shadow:0 1px 0 #fff;}
.photo-frame-real.img-missing{
  display:grid;place-items:center;color:#9a9284;font-size:12px;
  background:repeating-linear-gradient(45deg,#e8e2d0 0 8px,#f4efe2 8px 16px);}
.photo-frame-real.img-missing::after{content:'图片加载中…';}

/* ---------- 数字锁 M1 ---------- */
.lock-backdrop{background:rgba(0,0,0,.6);}
.lock-win{
  width:340px;background:#f4e8d0;border:2px solid #7a5a2a;
  box-shadow:4px 5px 0 rgba(0,0,0,.4);font-family:var(--f-serif);}
.lock-titlebar{background:linear-gradient(90deg,#6a4a1a,#a87838);color:#fff;
  padding:4px 8px;display:flex;justify-content:space-between;font-weight:bold;}
.lock-close{cursor:pointer;padding:0 6px;}
.lock-body{padding:14px 18px;}
.lock-hint{white-space:pre-line;color:#5a4a2a;font-size:13px;line-height:1.7;
  margin-bottom:12px;text-align:center;}
.lock-digits{display:flex;justify-content:center;gap:14px;margin:10px 0 14px;}
.lock-roller{display:flex;flex-direction:column;align-items:center;}
.lock-num{width:48px;height:56px;display:grid;place-items:center;
  background:#fff;border:2px inset #ccc;font-family:var(--f-mono);
  font-size:32px;font-weight:900;color:#3a2a1a;}
.lock-up,.lock-down{cursor:pointer;color:#6a4a1a;font-size:12px;padding:2px 8px;}
.lock-up:hover,.lock-down:hover{background:#e0d0a8;}
.lock-actions{display:flex;justify-content:center;gap:10px;}
.lock-win.lock-wrong{animation:shakeX .35s;border-color:#c01818;}
.lock-win.lock-wrong .lock-num{color:#c01818;}
@keyframes shakeX{0%,100%{transform:translateX(0);}25%{transform:translateX(-6px);}75%{transform:translateX(6px);}}

/* ---------- 照片背面 ---------- */
.back-backdrop{background:rgba(0,0,0,.55);}
.photo-back-card{
  width:380px;background:#f8f2dc;border:1px solid #d0c49a;
  padding:18px 22px;box-shadow:3px 4px 10px rgba(0,0,0,.4);
  transform:rotate(-1.2deg);
  background-image:repeating-linear-gradient(transparent 0 26px, rgba(120,90,30,.18) 26px 27px);}
.photo-back-title{font-family:"STKaiti","KaiTi",var(--f-serif);color:#8a5a1a;
  font-weight:bold;text-align:center;margin-bottom:10px;}
.photo-back-text{font-family:"STKaiti","KaiTi",var(--f-serif);
  font-size:16px;line-height:1.9;color:#3a2a1a;}

/* ---------- 相册（写实照片） ---------- */
.album-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:14px;}
.photo-polaroid{background:#fff;padding:8px 8px 0;border:1px solid #ccc;
  box-shadow:2px 3px 6px rgba(0,0,0,.2);transform:rotate(-1deg);
  aspect-ratio:4/3;overflow:hidden;position:relative;display:block;}
.photo-item:nth-child(even) .photo-polaroid{transform:rotate(1.4deg);}
.album-img{width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(.5) contrast(1.02) sepia(.18);transition:transform .3s;}
.photo-polaroid:hover .album-img{transform:scale(1.04);}
.photo-polaroid.img-missing{
  display:grid;place-items:center;color:#9a9284;font-size:12px;
  background:repeating-linear-gradient(45deg,#e8e2d0 0 8px,#f4efe2 8px 16px);}
.photo-polaroid.img-missing::after{content:'图片加载中…';}
.broken-photo{background:#2a2620;filter:grayscale(1);}
.broken-photo .album-img{filter:grayscale(1) brightness(.4) contrast(1.2);}
.broken-overlay{position:absolute;inset:0;display:grid;place-items:center;
  color:#c9b89a;font-size:13px;letter-spacing:4px;pointer-events:none;
  background:radial-gradient(circle at center,transparent 30%,rgba(0,0,0,.7) 100%);}
.photo-item figcaption{font-family:var(--f-serif);font-size:12.5px;color:#444;
  padding:6px 2px 2px;line-height:1.5;}
.photo-note{color:#9c1f1f;font-style:italic;margin-top:3px;}
.flip-btn{font-size:11px;margin-top:5px;padding:1px 8px;}

/* ---------- 关于页：运势 / 深色日志 ---------- */
.fortune-box{background:#fff8e0;border:1px dashed #c8a85a;padding:8px 14px;
  font-size:13px;line-height:1.9;color:#5a4a1a;}
.log-dark{background:#1a1410;color:#9c8a7a;}
.log-dark b{color:#6a5a4a;}

/* ---------- MIDI 点歌列表 ---------- */
.ts-midi-list{flex:1 100%;display:flex;align-items:center;flex-wrap:wrap;gap:6px;}
.midi-song{color:#003a8a;text-decoration:underline;cursor:pointer;font-size:12px;
  margin-right:4px;}
.midi-song.playing{color:#c01818;font-weight:bold;}
.midi-song:hover{color:#ff3b6b;}

/* ============================================================
   序章：老邮箱客户端（2026 深夜 · 深色考究归档站）
   ============================================================ */
.prologue-world{
  --ml-bg:#0a0d13; --ml-panel:#10141d; --ml-panel2:#141a26;
  --ml-line:#1e2634; --ml-line2:#2a3548;
  --ml-txt:#d8dee8; --ml-txt2:#8b95a7; --ml-txt3:#5c6678;
  --ml-gold:#e3b96b; --ml-blue:#6db1ff; --ml-red:#ff7b7b;
  font-family:var(--f-sans);color:var(--ml-txt);font-size:13px;
}
.prologue-world ::-webkit-scrollbar{width:11px;height:11px;}
.prologue-world ::-webkit-scrollbar-track{background:#0c1017;}
.prologue-world ::-webkit-scrollbar-thumb{background:#26303f;border-radius:6px;border:2px solid #0c1017;}
.prologue-world ::-webkit-scrollbar-thumb:hover{background:#334052;}

.login-card{margin:auto;width:348px;background:linear-gradient(180deg,#151a24,#10141c);
  padding:30px 28px;border-radius:10px;color:var(--ml-txt);
  border:1px solid #242d3d;box-shadow:0 20px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);}
.login-brand{font-size:23px;font-weight:900;text-align:center;color:#f0c877;
  letter-spacing:1px;font-family:var(--f-serif);text-shadow:0 0 20px rgba(240,200,119,.25);}
.login-sub{text-align:center;color:#6d7688;font-size:12px;margin:6px 0 22px;letter-spacing:1px;}

/* ---- 浏览器栏 ---- */
.mail-browserbar{height:40px;background:linear-gradient(180deg,#1a212c,#131822);
  display:flex;align-items:center;gap:8px;padding:0 12px;flex:none;
  border-bottom:1px solid var(--ml-line);}
.mb-btn{display:inline-grid;place-items:center;width:27px;height:25px;border-radius:6px;
  background:#1c2431;color:#7c8698;border:1px solid #26303f;cursor:pointer;
  font-size:13px;transition:all .15s;}
.mb-btn:hover{background:#2a3446;color:#d3dae6;border-color:#38455c;}
.mb-btn:active{transform:translateY(1px);}
.mb-url{flex:1;height:27px;display:flex;align-items:center;gap:8px;padding:0 14px;
  background:#090c11;border:1px solid #222b3a;border-radius:14px;color:#7c8698;
  font-family:var(--f-mono);font-size:12px;}
.mb-url::before{content:'🔒';font-size:10px;opacity:.6;}

/* ---- 页眉横幅 ---- */
.mail-banner{position:relative;display:flex;align-items:center;gap:18px;flex:none;
  padding:16px 20px;background:
   radial-gradient(560px 130px at 8% 0%,rgba(227,185,107,.10),transparent 60%),
   radial-gradient(500px 130px at 95% 100%,rgba(109,177,255,.07),transparent 60%),
   linear-gradient(180deg,#161e2e,#11161f);
  border-bottom:1px solid var(--ml-line);}
.mail-logo{font-size:26px;font-weight:900;color:#f0c877;font-family:var(--f-serif);
  letter-spacing:1px;text-shadow:0 0 22px rgba(240,200,119,.28);}
.mail-slogan{color:#7e8899;font-size:12px;letter-spacing:.5px;}
.mail-search{margin-left:auto;display:flex;align-items:center;gap:8px;}
.mail-search-input{width:210px;height:31px;background:#090c11;border:1px solid #2a3548;
  border-radius:7px;color:var(--ml-txt);padding:0 12px;font-size:12.5px;transition:border .15s;}
.mail-search-input::placeholder{color:#4f5a6c;}
.mail-search-input:focus{outline:none;border-color:var(--ml-gold);box-shadow:0 0 0 2px rgba(227,185,107,.12);}

/* ---- 横向滚动广告条 ---- */
.mail-adstrip{flex:none;height:26px;display:flex;align-items:center;overflow:hidden;
  background:#0c0f16;border-bottom:1px solid var(--ml-line);position:relative;}
.mail-adstrip::before,.mail-adstrip::after{content:'';position:absolute;top:0;bottom:0;width:60px;z-index:1;pointer-events:none;}
.mail-adstrip::before{left:0;background:linear-gradient(90deg,#0c0f16,transparent);}
.mail-adstrip::after{right:0;background:linear-gradient(-90deg,#0c0f16,transparent);}
.mail-adtrack{display:flex;white-space:nowrap;will-change:transform;
  animation:adScroll 32s linear infinite;font-size:11.5px;color:#6a5a3c;letter-spacing:.5px;}
.mail-adtrack span{padding:0 26px;}
.mail-adtrack span::before{content:'◆';color:#8a6a34;margin-right:9px;font-size:9px;}
@keyframes adScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---- 主体三栏 ---- */
.mail-body{flex:1;display:flex;overflow:hidden;min-height:0;}
.mail-folders{width:204px;flex:none;background:#0f131b;padding:14px 9px;
  overflow:auto;border-right:1px solid var(--ml-line);}
.mf-head{font-size:10.5px;color:#556073;padding:2px 10px 9px;letter-spacing:3px;}
.mail-folder{position:relative;display:flex;align-items:center;gap:9px;
  padding:7px 10px;border-radius:7px;cursor:pointer;color:#98a2b4;font-size:13px;
  transition:background .15s,color .15s;}
.mail-folder:hover{background:#18202e;color:#d3dae6;}
.mail-folder.active{background:linear-gradient(90deg,rgba(227,185,107,.16),rgba(227,185,107,.03));color:#f0c877;}
.mail-folder.active::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:2px;background:var(--ml-gold);box-shadow:0 0 8px rgba(227,185,107,.5);}
.mail-folder .mf-icon{font-size:9px;color:#5c6678;width:10px;}
.mail-folder .mf-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.mail-folder .mf-count{font-size:10px;color:#6a7486;background:#18202e;
  padding:1px 8px;border-radius:9px;font-family:var(--f-mono);}
.mail-folder.active .mf-count{background:rgba(227,185,107,.18);color:#e8c887;}
.archive-folder{color:#e3b96b;}
.archive-folder .mf-count{color:#e3b96b;background:rgba(227,185,107,.12);}
.mf-divider{height:1px;background:#1c2431;margin:8px 10px;}
.mf-hr{height:1px;background:#1c2431;margin:12px 10px;}
.mf-ads{white-space:pre-line;font-size:10.5px;color:#565f70;line-height:1.8;
  padding:9px 11px;margin:6px 2px;background:#121824;border:1px dashed #26303f;border-radius:7px;}

/* ---- 邮件列表 ---- */
.mail-list{flex:1;background:#0b0f16;overflow:auto;}
.ml-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:10px;
  padding:0 14px;height:37px;background:#121824;border-bottom:1px solid var(--ml-line);
  font-size:10.5px;color:#677184;letter-spacing:1.5px;}
.ml-star{width:26px;text-align:center;flex:none;}
.ml-ava{width:34px;flex:none;}
.ml-from{width:148px;flex:none;}
.ml-sub{flex:1;min-width:0;}
.ml-date{width:132px;flex:none;text-align:right;font-family:var(--f-mono);}
.ml-row{position:relative;display:flex;align-items:center;gap:10px;
  padding:9px 14px;border-bottom:1px solid #141a25;cursor:pointer;transition:background .12s;}
.ml-row:hover{background:#131b29;}
.ml-row .ml-ava{width:32px;height:32px;flex:0 0 32px;border-radius:9px;display:grid;
  place-items:center;font-size:13px;font-weight:700;color:#c4cddb;
  background:linear-gradient(135deg,#232d3f,#18202e);border:1px solid #2a3548;}
.ml-row .ml-star{font-size:13px;color:#3a4558;}
.ml-row .ml-star.starred{color:var(--ml-gold);text-shadow:0 0 8px rgba(227,185,107,.4);}
.ml-row .ml-from{font-size:12.5px;color:#aeb7c6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ml-row .ml-sub{font-size:13px;color:#b8c0cf;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ml-row .ml-date{font-size:11px;color:#5d6778;}
.ml-row.unread{background:#111a29;}
.ml-row.unread .ml-from{color:#e8edf5;font-weight:600;}
.ml-row.unread .ml-sub{color:#f0c877;}
.ml-row.unread .ml-sub::before{content:'●';font-size:8px;color:var(--ml-gold);
  margin-right:8px;vertical-align:2px;}
.ml-row.selected{background:#1c2a40;}
.ml-row.selected::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--ml-gold);}
.ml-row.anomaly{background:rgba(190,45,45,.13);}
.ml-row.anomaly .ml-sub{color:#ff8a8a;}
.ml-row.anomaly .ml-from{color:#e0a0a0;}
.ml-row.anomaly:hover{background:rgba(190,45,45,.22);}
.ml-row.anomaly .ml-ava{color:#ff9d9d;border-color:#6a3030;background:linear-gradient(135deg,#3a2226,#2a181c);}
/* 2003 归档列表：泛黄年代感 */
.mail-list.list-archived .ml-row .ml-ava{color:#d8c196;border-color:#3a3020;background:linear-gradient(135deg,#2a2418,#1e1a12);}
.mail-list.list-archived .ml-sub{color:#c9b190;}
.ml-empty{padding:46px;text-align:center;color:#556073;font-size:12.5px;}

/* ---- 阅读视图 ---- */
.mail-view{width:44%;flex:none;background:#090c12;border-left:1px solid var(--ml-line);
  overflow:auto;display:flex;flex-direction:column;}
.mv-empty{margin:auto;color:#556073;text-align:center;font-size:12.5px;line-height:2.2;}
.mv-empty .mv-empty-glyph{font-size:34px;opacity:.35;display:block;margin-bottom:10px;}
.mv-head{padding:24px 28px 16px;border-bottom:1px solid var(--ml-line);}
.mv-subject{font-size:19px;font-weight:700;color:#eef2f8;line-height:1.45;margin-bottom:14px;}
.mv-meta{font-size:11.5px;color:#798397;line-height:2.1;}
.mv-meta .mv-m-row{display:flex;gap:8px;}
.mv-meta b{color:#aab4c6;font-weight:600;min-width:52px;}
.mv-ip{color:#556073;font-family:var(--f-mono);}
.mv-body{padding:20px 28px;font-size:14px;line-height:2.05;color:#c2cad8;}
.mv-sig{margin:6px 28px 24px;padding-top:12px;border-top:1px dashed #242d3d;
  color:#6a7486;font-size:12px;line-height:1.9;}
.mv-linkbox{margin:4px 28px 28px;padding:14px 16px;background:#0f1826;
  border:1px solid #2a3c5e;border-radius:9px;}
.mv-linkbox .mv-link-label{font-size:10.5px;color:#5d6f90;letter-spacing:1px;margin-bottom:7px;}
.mv-link{color:var(--ml-blue);text-decoration:none;cursor:pointer;font-family:var(--f-mono);
  font-size:13.5px;border-bottom:1px dotted #4a7ab5;}
.mv-link:hover{color:var(--ml-gold);border-bottom-color:var(--ml-gold);}
/* 2003 归档阅读视图：泛黄纸感 */
.mail-view.mv-archived{background:#141009;}
.mail-view.mv-archived .mv-head{border-bottom-color:#2b2216;}
.mail-view.mv-archived .mv-subject{color:#f0e0bd;font-family:var(--f-serif);}
.mail-view.mv-archived .mv-meta{color:#8a7c5e;}
.mail-view.mv-archived .mv-meta b{color:#b3a37e;}
.mail-view.mv-archived .mv-body{font-family:var(--f-serif);color:#d9c8a2;}
.mail-view.mv-archived .mv-sig{border-top-color:#33291a;color:#8a7c5e;}

/* ---- 状态栏 ---- */
.mail-statusbar{height:27px;flex:none;background:#0f131b;border-top:1px solid var(--ml-line);
  display:flex;align-items:center;padding:0 6px;font-size:11px;color:#667083;}
.mail-statusbar span{display:flex;align-items:center;gap:6px;height:16px;
  padding:0 14px;border-right:1px solid #1a2230;}
.mail-statusbar span:first-child{padding-left:10px;}
.mail-ip{margin-left:auto;border-right:none!important;color:#556073;}

/* ---- 拨号 ---- */
.dial-overlay{position:absolute;inset:0;background:#05030a;z-index:50;
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:#8f86b8;}
.dial-title{font-size:20px;color:#cfc8e6;margin-bottom:18px;letter-spacing:2px;}
.dial-bar{width:300px;height:12px;border:1px solid #6b4fc0;background:#120b26;border-radius:6px;overflow:hidden;}
.dial-bar i{display:block;height:100%;width:0;
  background:linear-gradient(90deg,#6b4fc0,#b14dff);transition:width .3s;}
.dial-tip{font-size:13px;margin-top:18px;font-family:var(--f-mono);}

/* ---- 欢迎窗（Win98/IE 经典小对话框，不依赖 outset） ---- */
.welcome-overlay{position:absolute;inset:0;background:rgba(5,4,11,.8);z-index:52;
  display:flex;align-items:center;justify-content:center;}
.welcome-win{width:384px;background:#d4d0c8;
  border:2px solid;border-color:#ffffff #202020 #202020 #ffffff;
  box-shadow:3px 4px 0 rgba(0,0,0,.45), inset 1px 1px 0 #ece9e6;
  animation:welcomePop .18s ease-out;}
@keyframes welcomePop{from{transform:scale(.94);opacity:0;}to{transform:scale(1);opacity:1;}}
.welcome-titlebar{display:flex;align-items:center;gap:7px;
  background:linear-gradient(90deg,#000080,#1084d0);color:#fff;
  padding:4px 8px;font-size:13px;font-weight:700;}
.welcome-titlebar::before{content:'✉';font-size:12px;}
.welcome-body{padding:24px 22px;font-size:14.5px;line-height:2;color:#141414;}
.welcome-actions{text-align:right;padding:0 16px 16px;}
.welcome-actions .btn-primary{padding:5px 28px;font-size:13px;}