/* ============================================================
   KM 全站统一视觉 · 黑黄街头风
   改顶部变量即可全站换色；图片位用 .shot 设计化占位
   ============================================================ */
:root{
  --black:#0A0A0A;
  --black-2:#121212;
  --black-3:#1A1A1A;
  --yellow:#F5E600;
  --yellow-d:#b8ad00;
  --gray:#9a9aa2;
  --gray-d:#2a2a2e;
  --line:#222225;
  --maxw:1080px;
  --nav-h:56px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--black);color:#f2f2f4;min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","WenQuanYi Micro Hei",sans-serif;
  letter-spacing:.2px;-webkit-font-smoothing:antialiased;line-height:1.6;
  padding-top:var(--nav-h);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* 细网格底纹 + 顶部光晕（全站氛围，不用图也好看） */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    linear-gradient(var(--line) 1px,transparent 1px) 0 0/100% 56px,
    linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/56px 100%;
  opacity:.14;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 80% at 50% -10%,rgba(245,230,0,.10),transparent 55%);
}

/* ===== 导航 ===== */
.km-nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(10,10,10,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.km-nav .logo{
  font-weight:900;font-size:21px;letter-spacing:1px;color:var(--yellow);
  display:flex;align-items:center;gap:8px;
}
.km-nav .logo span{color:#fff}
.km-nav .logo::before{content:"";width:9px;height:9px;background:var(--yellow);border-radius:2px;transform:rotate(45deg)}
.km-nav .back{font-size:12px;color:var(--gray);letter-spacing:1px}
.km-nav .back:hover{color:var(--yellow)}

/* ===== 页脚 ===== */
.km-footer{
  margin-top:8px;padding:46px 20px 40px;border-top:1px solid var(--line);
  text-align:center;background:var(--black);
}
.km-footer .slogan{font-size:13px;font-weight:900;letter-spacing:3px;color:var(--yellow);margin-bottom:22px}
.km-footer .links{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;margin-bottom:20px}
.km-footer .links a{font-size:12.5px;color:#cfcfd5;letter-spacing:.5px}
.km-footer .links a:hover{color:var(--yellow)}
.km-footer .beian{font-size:11px;color:#5b5b63;line-height:2.1;letter-spacing:.3px}
.km-footer .beian a{color:#5b5b63}
.km-footer .beian a:hover{color:var(--yellow)}

/* ===== 通用区块 ===== */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.sec{padding:74px 20px;max-width:var(--maxw);margin:0 auto}
.sec-t{
  font-size:11px;letter-spacing:4px;color:var(--yellow);margin-bottom:30px;
  display:flex;align-items:center;gap:12px;
}
.sec-t::after{content:"";flex:1;height:1px;background:var(--line)}
.sec-t i{font-style:normal;color:var(--gray);letter-spacing:1.5px;font-size:10px}

/* ===== 首页 HERO ===== */
.hero{position:relative;padding:96px 20px 70px;overflow:hidden;text-align:center}
.hero .tag{
  display:inline-block;font-size:11px;letter-spacing:3.5px;color:var(--yellow);
  border:1px solid var(--yellow-d);border-radius:999px;padding:7px 16px;margin-bottom:30px;
}
.hero h1{font-size:clamp(54px,16vw,140px);font-weight:900;line-height:.9;letter-spacing:-.03em}
.hero h1 .y{color:var(--yellow)}
.hero .stroke{
  margin-top:20px;font-size:clamp(18px,4.4vw,32px);font-weight:900;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.32);letter-spacing:.06em;
}
.hero p{margin-top:26px;font-size:13.5px;color:var(--gray);letter-spacing:.6px;line-height:2}
.cta{
  display:inline-block;margin-top:34px;background:var(--yellow);color:var(--black);
  font-weight:900;font-size:14px;letter-spacing:1.5px;padding:15px 36px;
  transform:skewX(-8deg);transition:.18s;box-shadow:0 10px 30px rgba(245,230,0,.18);
}
.cta span{display:inline-block;transform:skewX(8deg)}
.cta:hover{background:#fff;box-shadow:0 12px 36px rgba(255,255,255,.25)}

/* ===== 跑马灯 ===== */
.mq{overflow:hidden;background:var(--yellow);padding:11px 0;border-top:1px solid #000;border-bottom:1px solid #000}
.mq .track{display:flex;gap:38px;width:max-content;animation:mq 28s linear infinite}
.mq .track span{color:#000;font-weight:900;font-size:13px;letter-spacing:2.5px;white-space:nowrap}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 图片位（设计化占位，非灰框） ===== */
.shot{
  position:relative;background:
    repeating-linear-gradient(45deg,#161616 0 12px,#131313 12px 24px);
  border:1px solid var(--line);min-height:210px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;color:var(--gray);
}
.shot::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 50% 40%,rgba(245,230,0,.12),transparent 60%)}
.shot .lab{position:relative;font-size:11px;letter-spacing:2px;text-align:center;line-height:1.9}
.shot .lab b{display:block;color:var(--yellow);font-size:13px;letter-spacing:3px;margin-bottom:6px}
.shot.sm{min-height:150px}

/* 门店实拍画廊（照片命名 shot1~shot6.jpg 放 assets/photos/，缺图自动隐藏） */
.shots{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(min-width:680px){.shots{grid-template-columns:repeat(3,1fr)}}
.gimg{position:relative;aspect-ratio:4/5;background:var(--black-3);border:1px solid var(--line);overflow:hidden}
.gimg img{width:100%;height:100%;object-fit:cover;display:block}

/* ===== 主张三栏 ===== */
.claims{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.claim{background:var(--black);padding:32px 24px;transition:.2s}
.claim:hover{background:var(--black-2)}
.claim .n{font-size:11px;letter-spacing:3px;color:var(--yellow);margin-bottom:16px}
.claim h3{font-size:21px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.5px}
.claim p{font-size:13px;color:var(--gray);line-height:1.95}
@media(min-width:760px){.claims{grid-template-columns:repeat(3,1fr)}}

/* ===== 功能入口卡 ===== */
.tools{display:grid;gap:16px}
@media(min-width:720px){.tools{grid-template-columns:repeat(3,1fr)}}
.tool{
  position:relative;background:var(--black-2);border:1px solid var(--line);
  padding:28px 22px 30px;display:block;transition:.22s;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
}
.tool::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;background:radial-gradient(circle,rgba(245,230,0,.16),transparent 70%);transition:.22s}
.tool:hover{background:var(--yellow);border-color:var(--yellow);transform:translateY(-3px)}
.tool:hover::after{background:radial-gradient(circle,rgba(0,0,0,.18),transparent 70%)}
.tool:hover .st,.tool:hover h3,.tool:hover p,.tool:hover .go{color:var(--black)}
.tool .st{font-size:10px;letter-spacing:3px;color:var(--yellow);margin-bottom:16px;transition:.2s}
.tool h3{font-size:20px;font-weight:900;color:#fff;letter-spacing:.5px;margin-bottom:11px;transition:.2s}
.tool p{font-size:12.5px;color:var(--gray);line-height:1.9;transition:.2s}
.tool .go{margin-top:18px;font-size:12px;font-weight:800;color:#fff;letter-spacing:1px;transition:.2s}
.tool.soon{opacity:.62}
.tool.soon .st{color:var(--gray)}

/* ===== 门店信息 ===== */
.info{display:grid;gap:20px 28px}
@media(min-width:680px){.info{grid-template-columns:repeat(2,1fr)}}
.info .row{border-left:2px solid var(--yellow);padding:2px 0 2px 16px}
.info .row .k{font-size:10.5px;letter-spacing:2px;color:var(--gray);margin-bottom:8px}
.info .row .v{font-size:15px;color:#fff;font-weight:600;letter-spacing:.3px;line-height:1.6}
.info .row .v .tel{color:var(--yellow);text-decoration:none;border-bottom:1px dashed rgba(245,230,0,.5)}

/* ===== 风格线三卡（MYSELF/MOVING/MELLOW） ===== */
.lines{display:grid;gap:16px}
@media(min-width:760px){.lines{grid-template-columns:repeat(3,1fr)}}
.line{position:relative;background:var(--black-2);border:1px solid var(--line);padding:26px 22px 28px;overflow:hidden}
.line .big{font-size:30px;font-weight:900;letter-spacing:1px;color:#fff}
.line .big em{font-style:normal;color:var(--yellow)}
.line .zh{font-size:13px;color:var(--yellow);letter-spacing:2px;margin:6px 0 14px}
.line p{font-size:12.5px;color:var(--gray);line-height:1.95}

/* ===== 滚动揭示 ===== */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .mq .track{animation:none}.rv{opacity:1;transform:none}body::before,body::after{display:none}
  .cur-glow{display:none}
}

/* ===== 鼠标跟随光晕 ===== */
.cur-glow{
  position:fixed;left:0;top:0;width:540px;height:540px;margin:-270px 0 0 -270px;
  border-radius:50%;pointer-events:none;z-index:9;mix-blend-mode:screen;will-change:transform;
  background:radial-gradient(circle,rgba(245,230,0,.14) 0%,rgba(245,230,0,.05) 36%,transparent 70%);
}

/* ===== 品牌差异强调句 ===== */
.bigline{
  font-size:clamp(22px,5vw,40px);font-weight:900;line-height:1.45;letter-spacing:.5px;color:#fff;
  text-align:center;max-width:760px;margin:0 auto;
}
.bigline .y{color:var(--yellow)}

/* ===== 到店指引卡（首页置顶「怎么找到 KM」） ===== */
.lcard{
  position:relative;background:var(--black-2);border:1px solid var(--line);
  padding:28px 24px 30px;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
}
.lcard::after{
  content:"";position:absolute;right:-70px;top:-80px;width:240px;height:240px;pointer-events:none;
  background:radial-gradient(circle,rgba(245,230,0,.14),transparent 70%);
}
.lcard .lc-top{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:16px;margin-bottom:26px;
}
.lcard .lc-badge{
  display:flex;align-items:center;gap:10px;
  font-size:12px;font-weight:800;letter-spacing:1.8px;color:var(--yellow);
}
.lcard .lc-badge::before{
  content:"";width:9px;height:9px;flex:none;
  background:var(--yellow);border-radius:2px;transform:rotate(45deg);
}
.lcard .lc-act{display:flex;flex-wrap:wrap;gap:12px}
.lc-btn{display:inline-block;font-size:13px;font-weight:900;letter-spacing:1.2px;padding:12px 26px;transition:.18s}
.lc-btn.y{background:var(--yellow);color:var(--black);transform:skewX(-8deg);box-shadow:0 10px 26px rgba(245,230,0,.16)}
.lc-btn.y span{display:inline-block;transform:skewX(8deg)}
.lc-btn.y:hover{background:#fff;box-shadow:0 12px 32px rgba(255,255,255,.22)}
.lc-btn.o{border:1px solid var(--yellow-d);color:var(--yellow)}
.lc-btn.o:hover{background:var(--yellow);border-color:var(--yellow);color:var(--black)}
@media(max-width:520px){
  .lcard{padding:24px 18px 26px}
  .lcard .lc-act{width:100%}
  .lc-btn{flex:1;text-align:center;padding:13px 10px}
}