@charset "utf-8";
/* ==========================================================================
   夜上海论坛 · 魔都夜生活喝茶论坛
   Template: NIGHT-NEON  /  深色霓虹 · 中轴构图
   01 令牌 02 基础 03 浮起胶囊导航 04 首屏+三联图 05 区块通用 06 交错功能行
   07 夜间日志列表 08 FAQ 双列 09 底部面板 10 页脚水印 11 文章页 12 响应式
   ========================================================================== */

/* ---------- 01 令牌 ---------- */
:root{
  --ink:#0A0D14; --panel:#111725; --card:#151C2B; --card2:#1A2233;
  --line:#242E42; --line2:#1C2434;
  --hot:#FF5C7A; --hot-deep:#E63E5F; --cyan:#35D6E3;
  --text:#E9EDF6; --sub:#98A5BC; --dim:#6D7A92;
  --r1:12px; --r2:16px; --r3:20px; --r4:24px;
  --sh:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -22px rgba(0,0,0,.75);
  --sh-h:0 2px 8px rgba(0,0,0,.45), 0 30px 64px -26px rgba(255,92,122,.3);
  --max:1180px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ---------- 02 基础 ---------- */
*,::before,::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--sub);
  font:400 16px/1.8 var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(760px 420px at 50% -6%,rgba(255,92,122,.09),transparent 64%),
             radial-gradient(600px 380px at 8% 42%,rgba(53,214,227,.05),transparent 60%)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--text);font-weight:700;line-height:1.28;letter-spacing:-.02em}
h1,h2,h3,h4,strong{font-feature-settings:"kern" 1}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,92,122,.34);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:14px;z-index:90;background:var(--card);color:var(--text);
  padding:10px 18px;border-radius:var(--r1);box-shadow:var(--sh)}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{position:relative;z-index:1;width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- 03 浮起胶囊导航 ---------- */
.topbar{position:sticky;top:0;z-index:50;padding:12px 12px 2px}
.topbar::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,13,20,.96) 0%,rgba(10,13,20,.82) 58%,rgba(10,13,20,0) 100%)}
.topbar-in{display:flex;align-items:center;gap:12px;height:58px;max-width:var(--max);margin:0 auto;
  padding:0 10px 0 18px;background:rgba(17,23,37,.74);border:1px solid var(--line);border-radius:999px;
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);box-shadow:var(--sh)}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15.5px;color:var(--text);
  letter-spacing:-.01em;white-space:nowrap;flex:none}
.logo i{width:26px;height:26px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--hot),var(--cyan));box-shadow:0 0 16px -2px rgba(255,92,122,.6)}
.menu{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;justify-content:center}
.menu::-webkit-scrollbar{display:none}
.menu a{padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--sub);white-space:nowrap;
  transition:color .18s,background .18s}
.menu a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.cta-sm{flex:none;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  background:var(--hot);color:#1a0308;font-size:14px;font-weight:700;letter-spacing:.01em;
  transition:background .18s,transform .18s,box-shadow .18s}
.cta-sm:hover{background:#ff7c93;transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,92,122,.85)}

/* ---------- 04 首屏（中轴 + 三联竖图） ---------- */
.hero{position:relative;padding:52px 0 62px;text-align:center}
.tag{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;font-size:13px;
  font-weight:600;color:var(--cyan);background:rgba(53,214,227,.09);border:1px solid rgba(53,214,227,.32)}
.tag b{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:none;
  box-shadow:0 0 10px 1px rgba(53,214,227,.9)}
.hero h1{margin-top:24px;font-size:clamp(27px,5.6vw,50px);letter-spacing:-.035em;line-height:1.18;color:var(--text)}
.hero h1 em{font-style:normal;color:var(--hot)}
.hero .desc{margin:22px auto 0;max-width:620px;font-size:16.5px;color:var(--sub)}
.btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 26px;border-radius:var(--r2);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s,background .18s,border-color .18s,box-shadow .18s}
.btn.primary{background:var(--hot);color:#1a0308;box-shadow:0 18px 36px -18px rgba(255,92,122,.9)}
.btn.primary:hover{background:#ff7c93;transform:translateY(-2px)}
.btn.line{background:rgba(255,255,255,.03);color:var(--text);border-color:var(--line)}
.btn.line:hover{border-color:rgba(53,214,227,.6);color:#fff;transform:translateY(-2px);box-shadow:0 0 0 3px rgba(53,214,227,.1)}

.triptych{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:50px;align-items:end}
.triptych figure{margin:0;position:relative;border-radius:var(--r4);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh)}
.triptych img{width:100%;object-fit:cover;aspect-ratio:3/4}
.triptych figure:nth-child(2){transform:translateY(-20px)}
.triptych figure:nth-child(2) img{aspect-ratio:2/3}
.triptych figure::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(10,13,20,.55))}
.triptych figure:nth-child(2)::after{background:linear-gradient(180deg,transparent 48%,rgba(10,13,20,.62))}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:46px;
  padding-top:26px;border-top:1px solid var(--line)}
.stats b{display:block;font-size:clamp(21px,3.8vw,30px);color:var(--text);letter-spacing:-.04em;
  font-variant-numeric:tabular-nums}
.stats b i{font-style:normal;color:var(--hot)}
.stats span{display:block;margin-top:6px;font-size:13px;color:var(--dim)}

/* ---------- 05 区块通用 ---------- */
.band{padding:76px 0;position:relative}
.band.alt{background:linear-gradient(180deg,transparent,rgba(17,23,37,.7) 18%,rgba(17,23,37,.7) 82%,transparent)}
.band-head{max-width:700px;margin:0 auto 46px;text-align:center}
.label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--hot)}
.label::before,.label::after{content:"";width:20px;height:1px;background:currentColor;opacity:.5}
.band-head h2{margin-top:14px;font-size:clamp(23px,4.4vw,34px);letter-spacing:-.028em}
.band-head p{margin-top:16px;font-size:15.5px;color:var(--dim)}

/* ---------- 06 交错功能行 ---------- */
.zig{display:grid;gap:52px}
.zig-item{display:grid;gap:24px;align-items:center}
.zig-media{margin:0;position:relative;border-radius:var(--r4);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--sh)}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.zig-media::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(200deg,rgba(255,92,122,.12),transparent 46%)}
.num{display:block;font-size:52px;font-weight:800;line-height:1;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1.4px rgba(255,92,122,.55);margin-bottom:14px}
.zig-text h3{font-size:clamp(19px,3vw,24px);letter-spacing:-.022em}
.zig-text p{margin-top:14px;font-size:15.5px;color:var(--sub)}
.zig-text ul{margin-top:18px;display:grid;gap:10px}
.zig-text li{position:relative;padding-left:20px;font-size:14.8px;color:var(--dim)}
.zig-text li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--hot),var(--cyan))}

/* ---------- 07 夜间日志（文章列表） ---------- */
.log{display:grid;border-top:1px solid var(--line)}
.log-item{display:grid;grid-template-columns:1fr 84px;gap:6px 16px;padding:22px 6px;
  border-bottom:1px solid var(--line);transition:background .2s,padding-left .2s}
.log-item:hover{background:linear-gradient(90deg,rgba(255,92,122,.07),transparent 70%);padding-left:12px}
.log-date{grid-column:1/-1;font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--hot);
  font-variant-numeric:tabular-nums}
.log-main h3{font-size:17px;letter-spacing:-.018em;line-height:1.5}
.log-main h3 a:hover{color:var(--hot)}
.log-main p{margin-top:10px;font-size:14.6px;color:var(--dim)}
.log-more{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--cyan);
  transition:opacity .18s,letter-spacing .18s}
.log-more:hover{opacity:.78;letter-spacing:.02em}
.log-thumb{grid-row:2;margin:0;align-self:start;border-radius:var(--r2);overflow:hidden;
  border:1px solid var(--line);background:var(--card)}
.log-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover}

/* ---------- 08 FAQ（双列） ---------- */
.faq-grid{display:grid;gap:12px}
.qa{background:var(--card);border:1px solid var(--line);border-radius:var(--r3);padding:0 20px;
  transition:border-color .2s,box-shadow .2s,background .2s}
.qa:hover{border-color:#2E3A52}
.qa[open]{border-color:rgba(255,92,122,.55);background:var(--card2);box-shadow:0 22px 50px -30px rgba(255,92,122,.5)}
.qa summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:600;font-size:15.4px;color:var(--text);
  display:flex;justify-content:space-between;gap:14px;align-items:flex-start;transition:color .18s}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{color:var(--hot)}
.qa summary::after{content:"+";flex:none;color:var(--cyan);font-size:19px;line-height:1;font-weight:400}
.qa[open] summary::after{content:"−"}
.qa .ans{padding:0 0 20px;font-size:14.7px;color:var(--sub);border-top:1px solid var(--line2);padding-top:15px}

/* ---------- 09 底部面板 ---------- */
.cta-panel{position:relative;padding:56px 26px;text-align:center;border-radius:var(--r4);overflow:hidden;
  background:linear-gradient(155deg,rgba(255,92,122,.15),rgba(53,214,227,.11) 52%,rgba(255,92,122,.07)),
             var(--card);
  border:1px solid rgba(255,92,122,.34);box-shadow:0 36px 80px -34px rgba(255,92,122,.45)}
.cta-panel::before{content:"";position:absolute;left:12%;right:12%;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hot),var(--cyan),transparent)}
.cta-panel h2{font-size:clamp(22px,4.2vw,32px);letter-spacing:-.028em}
.cta-panel p{margin:16px auto 0;max-width:560px;font-size:16px;color:var(--sub)}
.cta-panel .btns{margin-top:30px}

/* ---------- 10 页脚（含水印大字） ---------- */
.foot{position:relative;z-index:1;margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,23,37,.5),rgba(10,13,20,.9))}
.foot-grid{display:grid;gap:30px;padding:54px 0 0}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--text);
  margin-bottom:14px}
.foot-brand i{width:26px;height:26px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--hot),var(--cyan))}
.foot-note{max-width:360px;font-size:14.4px;color:var(--dim);line-height:1.85}
.foot-col h4{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.foot-links{display:grid;gap:11px}
.foot-links a{font-size:14.4px;color:var(--sub);transition:color .18s}
.foot-links a:hover{color:var(--hot)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;
  padding:22px 0 6px;margin-top:34px;border-top:1px solid var(--line);font-size:12.8px;color:var(--dim)}
.foot-mark{font-size:clamp(38px,13vw,132px);font-weight:800;letter-spacing:-.05em;line-height:.9;
  text-align:center;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.075);
  padding:8px 0 18px;user-select:none;pointer-events:none;white-space:nowrap;overflow:hidden}

/* ---------- 11 文章页 ---------- */
.article{padding:40px 0 70px;position:relative;z-index:1}
.crumbs{font-size:13px;color:var(--dim);margin-bottom:22px}
.crumbs a:hover{color:var(--hot)}
.crumbs span{color:var(--sub)}
.article-head{max-width:780px}
.article-head h1{font-size:clamp(24px,4.9vw,37px);letter-spacing:-.03em}
.article-head .meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;
  font-size:13px;color:var(--dim)}
.article-head .meta b{color:var(--cyan);font-weight:600;letter-spacing:.06em}
.article-head .meta em{font-style:normal;color:var(--hot);font-weight:600}
.hero-img{margin:30px 0;border-radius:var(--r4);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--sh);position:relative}
.hero-img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-img::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(200deg,rgba(255,92,122,.1),transparent 44%)}
.prose{max-width:780px}
.prose h2{margin:42px 0 14px;font-size:clamp(19px,3.5vw,25px);letter-spacing:-.024em;
  padding-left:16px;border-left:3px solid var(--hot);line-height:1.4}
.prose h3{margin:28px 0 10px;font-size:17.4px;color:var(--cyan)}
.prose p{margin:14px 0;font-size:16.1px;color:var(--sub)}
.prose ul{margin:14px 0;padding-left:20px;display:grid;gap:9px;list-style:disc}
.prose li{font-size:15.5px;color:var(--sub)}
.prose li::marker{color:var(--hot)}
.prose strong{color:var(--text);font-weight:600}
.note{margin:26px 0;padding:20px 22px;border-radius:var(--r3);background:var(--card);
  border:1px solid var(--line);border-left:3px solid var(--cyan);font-size:15px;color:var(--sub)}
.note b{color:var(--cyan)}
.back-link{margin-top:40px;display:inline-flex;align-items:center;gap:8px;font-weight:600;
  color:var(--hot);font-size:15px;transition:gap .2s}
.back-link:hover{gap:13px}

/* ---------- 12 响应式 ---------- */
@media(min-width:700px){
  .log-item{grid-template-columns:112px 1fr 108px;gap:20px;align-items:center}
  .log-date{grid-column:auto}
  .log-thumb{grid-row:auto}
  .log-main h3{font-size:18.5px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(min-width:900px){
  .zig{gap:72px}
  .zig-item{grid-template-columns:1fr 1fr;gap:56px}
  .zig-item:nth-child(even) .zig-media{order:2}
  .faq-grid{grid-template-columns:1fr 1fr;gap:14px}
}
@media(min-width:1000px){
  .hero{padding:66px 0 78px}
  .log-item{grid-template-columns:128px 1fr 124px}
}
@media(max-width:520px){
  .menu{justify-content:flex-start}
  .cta-sm{display:none}
  .triptych{gap:8px;margin-top:38px}
  .triptych figure:nth-child(2){transform:translateY(-12px)}
  .num{font-size:42px}
  .cta-panel{padding:42px 20px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}