/* MS01 北纬寒室 — 会员制冰室，滚动扫描式文字渐隐 + 冰裂纹视差 */
:root{
  --bg:#040a09;
  --bg-2:#071310;
  --ink:#e9f2ee;
  --dim:#7b8f88;
  --dim-2:#4a5d57;
  --accent:#45c1a0;
  --accent-soft:rgba(69,193,160,.16);
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.045);
  --pad:clamp(18px,4.6vw,64px);
  --max:1240px;
  --temp:0; /* 0 冷 → 1 暖，滚动驱动 */
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- 星空层 ---------- */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.sky::before{content:"";position:absolute;inset:-10%;
  background:
    repeating-linear-gradient(74deg,rgba(190,236,220,.055) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(-68deg,rgba(190,236,220,.038) 0 1px,transparent 1px 148px),
    repeating-linear-gradient(12deg,rgba(255,255,255,.02) 0 1px,transparent 1px 210px);
  animation:creep 26s linear infinite;
  opacity:.9;
}
@keyframes creep{from{transform:translate3d(0,0,0)}to{transform:translate3d(-96px,26px,0)}}
.sky::after{content:"";position:absolute;inset:0;
  background:
    radial-gradient(58% 44% at 14% 6%,rgba(69,193,160,.14),transparent 70%),
    radial-gradient(50% 38% at 92% 58%,rgba(120,206,178,.09),transparent 74%),
    radial-gradient(82% 62% at 50% 108%,rgba(4,18,15,.92),transparent 72%);
  mix-blend-mode:screen;
}
/* 温度色：滚动后从冷蓝转暖橙 */
.temp{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(72% 52% at 50% 108%,rgba(226,164,74,.26),transparent 70%);
  opacity:var(--temp);transition:opacity .2s linear}

/* ---------- 结构 ---------- */
.wrap{position:relative;z-index:2}
.pad{padding-left:var(--pad);padding-right:var(--pad)}
.narrow{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- 导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px var(--pad);
  background:linear-gradient(180deg,rgba(5,7,13,.86),rgba(5,7,13,0));
  backdrop-filter:blur(10px);
  transition:background .3s ease,padding .3s ease;
}
.nav.solid{background:rgba(5,7,13,.86);border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%)}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:-.01em}
.brand .orb{width:26px;height:26px;border-radius:50%;position:relative;
  background:radial-gradient(circle at 34% 30%,#dbe6ff,#4f7cff 46%,#1b2a5c 100%);
  box-shadow:0 0 18px rgba(69,193,160,.5)}
.brand .orb::after{content:"";position:absolute;inset:5px;border-radius:50%;
  border:1px solid rgba(255,255,255,.5);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-25deg)}
.nav ul{display:flex;gap:clamp(14px,2.4vw,32px);list-style:none;margin:0;padding:0}
.nav ul a{font-size:12px;letter-spacing:.04em;color:#b9c3d6;padding-bottom:3px;
  border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav ul a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.5)}
.nav ul a.on{color:#fff;border-bottom-color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  font-size:13px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.8,.2,1),background .2s,box-shadow .2s}
.btn-p{background:var(--accent);color:#fff;box-shadow:0 6px 22px rgba(69,193,160,.32)}
.btn-p:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(69,193,160,.44)}
.btn-g{border-color:var(--line);color:var(--ink);background:var(--glass);
  backdrop-filter:blur(8px)}
.btn-g:hover{border-color:rgba(255,255,255,.28);transform:translateY(-1px)}
.nav .burger{display:none;width:34px;height:34px;border:1px solid var(--line);border-radius:9px;
  background:transparent;color:var(--ink);cursor:pointer;font-size:15px}

/* ---------- 首屏：MANIFESTO 滚动扫描 ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding-top:112px;padding-bottom:80px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:#8b96ac}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 10px var(--accent)}
.lede{margin:26px 0 0;max-width:100%;
  font-size:clamp(1.4rem,3.15vw,2.6rem);line-height:1.26;letter-spacing:-.02em;
  font-weight:400;color:var(--ink)}
/* 每一行单独控制明暗：滚动扫描 */
.lede .ln{display:block;opacity:.22;
  transition:opacity .45s cubic-bezier(.2,.7,.2,1);
  will-change:opacity}
.lede .ln strong{font-weight:600;color:#fff}
.lede .ln u{text-decoration:none;color:#fff;
  box-shadow:inset 0 -.28em 0 var(--accent-soft),inset 0 -.06em 0 var(--accent);
  padding-bottom:.02em}
.hero-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-top:clamp(34px,6vh,72px);flex-wrap:wrap}
.hint{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--dim)}
.hint .bar{width:1px;height:34px;background:linear-gradient(180deg,var(--accent),transparent);
  position:relative;overflow:hidden}
.hint .bar::after{content:"";position:absolute;top:0;left:0;width:1px;height:10px;
  background:#fff;animation:drop 2.2s cubic-bezier(.6,0,.4,1) infinite}
@keyframes drop{0%{transform:translateY(-12px)}70%,100%{transform:translateY(38px)}}
.tempread{display:flex;gap:22px;font-size:11px;letter-spacing:.12em;color:var(--dim)}
.tempread b{display:block;color:#fff;font-weight:500;font-size:19px;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;margin-top:2px}

/* ---------- 通用区块 ---------- */
.sec{padding:clamp(64px,10vh,128px) 0;position:relative}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:clamp(28px,4vw,52px)}
.sec-h h2{margin:0;font-size:clamp(1.15rem,2vw,1.6rem);font-weight:500;letter-spacing:-.015em}
.sec-h span{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}

/* 玻璃卡 */
.card{background:var(--glass);border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(14px) saturate(130%);position:relative;overflow:hidden;
  transition:border-color .3s,transform .3s cubic-bezier(.2,.8,.2,1)}
.card:hover{border-color:rgba(255,255,255,.22);transform:translateY(-3px)}
.card .glow{position:absolute;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(69,193,160,.28),transparent 68%);
  filter:blur(28px);pointer-events:none;opacity:0;transition:opacity .4s;
  left:var(--gx,50%);top:var(--gy,50%);transform:translate(-50%,-50%)}
.card:hover .glow{opacity:1}

/* 三卡区 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mode{padding:24px 22px 26px;min-height:210px;display:flex;flex-direction:column;
  justify-content:space-between}
.mode .no{font-size:10px;letter-spacing:.16em;color:var(--dim-2);font-variant-numeric:tabular-nums}
.mode h3{margin:14px 0 8px;font-size:19px;font-weight:500;letter-spacing:-.01em}
.mode p{margin:0;font-size:13px;line-height:1.62;color:var(--dim)}
.mode .hr{height:1px;background:var(--line);margin:16px 0 12px}
.mode .meta{display:flex;justify-content:space-between;font-size:11px;color:var(--dim-2);
  font-variant-numeric:tabular-nums}

/* 时段表 */
.hours{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden}
.hrow{background:#080c16;padding:20px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;transition:background .25s}
.hrow:hover{background:#0d1424}
.hrow .d{font-size:13px;color:var(--dim)}
.hrow .t{font-size:14px;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.hrow .tag{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  border:1px solid rgba(69,193,160,.4);border-radius:999px;padding:3px 9px}

/* 大幅影像位（CSS 抽象：冰面/雾气） */
.plate{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  min-height:clamp(280px,44vw,520px)}
.plate .ice{position:absolute;inset:0;
  background:
    radial-gradient(60% 46% at 26% 18%,rgba(198,224,255,.34),transparent 66%),
    radial-gradient(50% 40% at 82% 74%,rgba(120,160,255,.22),transparent 70%),
    linear-gradient(152deg,#0b1526 0%,#0a1020 48%,#060a13 100%);}
.plate .ice::after{content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(104deg,rgba(255,255,255,.05) 0 1px,transparent 1px 7px),
    repeating-linear-gradient(14deg,rgba(255,255,255,.03) 0 1px,transparent 1px 11px);
  mix-blend-mode:overlay}
.plate .cap{position:absolute;left:20px;bottom:18px;font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:#c6d2e6}
.plate .count{position:absolute;right:20px;top:18px;font-size:10px;letter-spacing:.2em;
  color:#9fb0c8;font-variant-numeric:tabular-nums}

/* 两栏 */
.two{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,60px);align-items:center}
.prose p{margin:0 0 16px;font-size:15px;line-height:1.85;color:#b7c1d2;max-width:56ch}
.prose p:last-child{margin-bottom:0}

/* 会员表 */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tier{padding:26px 24px;border-radius:16px;border:1px solid var(--line);background:var(--glass);
  display:flex;flex-direction:column;gap:14px;position:relative;transition:border-color .3s,transform .3s}
.tier.on{border-color:rgba(69,193,160,.5);background:rgba(69,193,160,.07)}
.tier.on::before{content:"最多人选择";position:absolute;top:-9px;left:24px;font-size:9px;
  letter-spacing:.16em;background:var(--accent);color:#fff;padding:3px 8px;border-radius:999px}
.tier h3{margin:0;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.tier .price{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:500;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums}
.tier .price small{font-size:12px;color:var(--dim);font-weight:400;letter-spacing:0}
.tier ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.tier li{font-size:13px;color:#b7c1d2;padding-left:16px;position:relative}
.tier li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;
  border-radius:50%;background:var(--accent)}
.tier .btn{justify-content:center;margin-top:auto}

/* 申请表单 */
.form{display:grid;gap:14px;max-width:520px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
.field input,.field select,.field textarea{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;color:var(--ink);font:inherit;font-size:14px;
  transition:border-color .2s,background .2s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid transparent;outline-offset:2px;border-color:var(--accent);
  background:rgba(69,193,160,.06)}
.field textarea{min-height:96px;resize:vertical}
.form .btn{justify-content:center;margin-top:4px}

/* 页脚 */
.foot{border-top:1px solid var(--line);padding:44px var(--pad) 34px;position:relative;z-index:2}
.foot-in{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;
  gap:28px;flex-wrap:wrap;align-items:flex-start}
.foot h4{margin:0 0 10px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim-2)}
.foot a{display:block;font-size:13px;color:#9db3ab;margin-bottom:7px;transition:color .2s}
.foot a:hover{color:#fff}
.foot .brand{margin-bottom:12px}
.foot small{display:block;margin-top:26px;font-size:11px;color:var(--dim-2);
  max-width:var(--max);margin-left:auto;margin-right:auto}

/* 入场 */
.rv{opacity:0;transform:translateY(22px);
  transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* ---------- 内页首屏 ---------- */
.phero{padding-top:clamp(120px,16vh,190px);padding-bottom:clamp(28px,4vw,52px)}
.phero h1{margin:20px 0 0;font-size:clamp(2.1rem,5.6vw,4.2rem);line-height:1.04;
  letter-spacing:-.038em;font-weight:500}
.phero .sub{margin:20px 0 0;max-width:56ch;font-size:15px;line-height:1.78;color:#a8b3c6}
.plate .ice.alt{background:
  radial-gradient(58% 44% at 74% 22%,rgba(210,232,255,.28),transparent 66%),
  radial-gradient(46% 40% at 18% 82%,rgba(96,132,220,.20),transparent 70%),
  linear-gradient(196deg,#0d1728 0%,#080e1b 52%,#05080f 100%)}

/* 纯列表 */
.plain{margin:0;padding:0;list-style:none}
.plain li{font-size:13.5px;line-height:1.7;color:#b7c1d2;padding:10px 0;
  border-bottom:1px solid var(--line)}
.plain li:last-child{border-bottom:0;padding-bottom:0}

/* 菜单 */
.menu{border-top:1px solid var(--line)}
.mrow{display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:18px 4px;border-bottom:1px solid var(--line);transition:background .2s,padding .2s}
.mrow:hover{background:rgba(255,255,255,.025);padding-left:12px}
.mrow b{display:block;font-size:15px;font-weight:500;letter-spacing:-.01em}
.mrow span{display:block;font-size:12px;color:var(--dim);margin-top:4px}
.mrow em{font-style:normal;font-size:14px;font-variant-numeric:tabular-nums;color:#cfd8e6}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden}
.step{background:#080c16;padding:26px 24px}
.step span{font-size:10px;letter-spacing:.18em;color:var(--accent);font-variant-numeric:tabular-nums}
.step h3{margin:12px 0 8px;font-size:17px;font-weight:500}
.step p{margin:0;font-size:13px;line-height:1.68;color:var(--dim)}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{padding:17px 30px 17px 4px;cursor:pointer;font-size:14.5px;list-style:none;
  position:relative;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  color:var(--dim);font-size:16px;transition:transform .25s,color .25s}
.faq details[open] summary::after{content:"–";color:var(--accent)}
.faq summary:hover{color:#fff}
.faq p{margin:0 0 18px;padding-right:30px;font-size:13.5px;line-height:1.78;color:#a8b3c6;
  max-width:66ch}

/* 焦点可见 */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* 响应 */
@media (max-width:900px){
  .grid3,.tiers,.steps{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .nav ul{display:none}
  .nav .burger{display:block}
  .hours{grid-template-columns:1fr}
  .lede{font-size:clamp(1.32rem,5.6vw,2rem);line-height:1.3}
  .hero{padding-top:96px}
}
@media (max-width:560px){
  .hero-foot{gap:18px}
  .tempread{gap:16px}
  .mode{min-height:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
  .lede .ln{opacity:1}
  .rv{opacity:1;transform:none}
}

/* ---------- 首屏新构图：左文 + 右温度尺（区别于来源站的居中居中） ---------- */
.hero{display:block}
.hero-grid{display:grid;width:100%;grid-template-columns:minmax(0,1fr) clamp(86px,10vw,138px);
  gap:clamp(22px,4.2vw,60px);align-items:stretch}
.gauge{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;
  border-left:1px solid var(--line);padding-left:clamp(14px,1.8vw,24px);
  min-height:clamp(320px,48vh,470px);padding-top:4px;padding-bottom:4px}
.g-lab,.g-val{font-size:10px;letter-spacing:.24em;color:var(--dim-2);
  font-variant-numeric:tabular-nums;white-space:nowrap}
.g-val{font-size:clamp(12px,1.4vw,16px);letter-spacing:.02em;color:#fff}
.g-bar{position:relative;flex:1;width:100%;margin:12px 0;
  background-image:linear-gradient(180deg,rgba(155,178,170,.34) 1px,transparent 1px);
  background-size:100% 12.5%;background-repeat:repeat-y}
.g-bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,rgba(69,193,160,.5),transparent)}
.g-bar i{position:absolute;left:-4px;right:0;height:1px;background:var(--accent);
  box-shadow:0 0 10px var(--accent);transition:top 1.4s cubic-bezier(.4,0,.2,1)}
.g-bar i::before{content:"";position:absolute;left:-2px;top:-2px;width:5px;height:5px;
  border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
@media (max-width:900px){
  .gauge{display:none}
  .hero-grid{grid-template-columns:1fr}
}