/* ============================================================
   RAN · HOME KITCHEN — 品牌站样式表
   Palette / type derived from the RAN seal: walnut ink, cream
   paper, one terracotta accent. No gradients on brand elements.
   ============================================================ */

:root{
  --ink:#2B201A;
  --walnut:#4A342A;
  --clay:#B4532A;
  --clay-l:#C4683C;
  --paper:#F6F1E7;
  --paper-2:#EFE6D6;
  --sand:#E4D6BF;
  --sand-l:#EEE4D3;
  --sand-d:#DBCAB0;
  --line:#DCD0BC;
  --line-d:#C9BAA2;
  --mute:#8A7A69;
  --dark:#1A1411;
  --dark-2:#241C17;

  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
  --gut:24px;
  --maxw:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.95;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* paper grain — the whole brand reads as printed stock, not screen */
body::after{
  content:"";position:fixed;inset:0;z-index:9000;pointer-events:none;
  opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23g)' opacity='.055'/%3E%3C/svg%3E");
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
::selection{background:rgba(180,83,42,.16)}

/* ------------------------------------------------ layout ---- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.narrow{max-width:760px}
.section{padding:84px 0}
@media(min-width:820px){.section{padding:152px 0}}
.center{text-align:center}

/* ------------------------------------------------ type ------ */
.eyebrow{
  margin:0;font-size:10.5px;line-height:1.6;font-weight:500;
  letter-spacing:.34em;text-transform:uppercase;color:var(--mute);
}
.eyebrow .en{letter-spacing:.3em}
.d1{
  margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(37px,11vw,66px);line-height:1.16;letter-spacing:.012em;
}
.d2{
  margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(25px,7.2vw,40px);line-height:1.36;letter-spacing:.02em;
}
.d3{
  margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(20px,5.4vw,27px);line-height:1.5;letter-spacing:.03em;
}
.lead{color:var(--mute);font-size:14.5px;line-height:2.05;margin:0}
.rule{height:1px;background:var(--line);border:0;margin:0}
.rule-c{width:42px;height:1.5px;background:var(--clay);border:0;margin:0}
.en{letter-spacing:.2em;text-transform:uppercase}

/* ------------------------------------------------ header ---- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:600;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:20px var(--gut);
  color:var(--paper);
  transition:background .6s var(--ease),color .6s var(--ease),
             padding .6s var(--ease),box-shadow .6s var(--ease),
             backdrop-filter .6s var(--ease);
}
.nav.solid{
  background:rgba(246,241,231,.93);
  -webkit-backdrop-filter:saturate(1.3) blur(16px);
  backdrop-filter:saturate(1.3) blur(16px);
  color:var(--ink);padding:13px var(--gut);
  box-shadow:0 1px 0 rgba(43,32,26,.08);
}
.nav.plain{position:static;color:var(--ink);padding:14px var(--gut)}

.brand{display:inline-flex;align-items:center;gap:11px}
.brand .mk{width:27px;height:27px;flex:none}
.brand .mk svg{width:100%;height:100%;display:block}
.brand .wm{
  font-family:var(--serif);font-size:20px;line-height:1;
  letter-spacing:.2em;padding-left:.2em;
}
.nav-links{display:none;align-items:center;gap:40px}
@media(min-width:880px){.nav-links{display:flex}}
.nav-links a{
  position:relative;padding:7px 0;
  font-size:11px;letter-spacing:.3em;opacity:.88;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);
}
.nav-links a:hover::after,.nav-links a.on::after{transform:scaleX(1)}
.nav-links a.on{opacity:1}

.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:34px;height:34px;padding:0;align-items:flex-end}
@media(min-width:880px){.burger{display:none}}
.burger i{display:block;height:1.4px;background:currentColor;transition:width .4s var(--ease)}
.burger i:nth-child(1){width:22px}
.burger i:nth-child(2){width:15px}

.sheet{
  position:fixed;inset:0;z-index:800;background:var(--dark);color:var(--paper);
  display:flex;flex-direction:column;justify-content:center;padding:0 32px;
  opacity:0;visibility:hidden;transition:opacity .55s var(--ease),visibility .55s;
}
.sheet.open{opacity:1;visibility:visible}
.sheet nav{display:flex;flex-direction:column}
.sheet nav a{
  font-family:var(--serif);font-size:29px;letter-spacing:.07em;
  padding:19px 0;border-bottom:1px solid rgba(246,241,231,.13);
  opacity:0;transform:translateY(14px);
}
.sheet.open nav a{opacity:1;transform:none;
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
.sheet.open nav a:nth-child(1){transition-delay:.1s}
.sheet.open nav a:nth-child(2){transition-delay:.17s}
.sheet.open nav a:nth-child(3){transition-delay:.24s}
.sheet .sclose{position:absolute;top:22px;right:26px;font-size:11px;
  letter-spacing:.3em;color:rgba(246,241,231,.62)}

/* ------------------------------------------------ hero ------ */
.hero{
  position:relative;overflow:hidden;background:var(--dark);
  min-height:600px;height:100vh;height:100svh;
  display:flex;align-items:flex-end;
}
.hero-media{position:absolute;inset:0}
.hero-media img{
  width:100%;height:100%;object-fit:cover;opacity:.66;
  animation:ken 30s ease-in-out infinite alternate;
}
@keyframes ken{from{transform:scale(1.02) translate3d(0,0,0)}
               to{transform:scale(1.12) translate3d(-1.5%,-1%,0)}}
.hero-veil{position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(18,13,10,.60) 0%,rgba(18,13,10,.18) 30%,rgba(18,13,10,.34) 62%,rgba(18,13,10,.82) 100%);}
.hero .wrap{position:relative;z-index:3;padding-bottom:15vh}
.hero .eyebrow{color:rgba(246,241,231,.68)}
.hero h1{color:var(--paper);margin:20px 0 0;text-shadow:0 2px 34px rgba(18,13,10,.34)}
.hero-tag{
  margin:26px 0 0;padding-top:22px;border-top:1px solid rgba(246,241,231,.24);
  max-width:330px;font-size:11.5px;letter-spacing:.32em;color:rgba(246,241,231,.8);
}
.cue{position:absolute;left:50%;bottom:24px;z-index:3;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:11px;
  font-size:9.5px;letter-spacing:.32em;color:rgba(246,241,231,.6)}
.cue span{display:block;width:1px;height:44px;
  background:linear-gradient(180deg,rgba(246,241,231,.6),rgba(246,241,231,0));
  animation:cue 2.4s ease-in-out infinite;transform-origin:top}
@keyframes cue{0%,100%{transform:scaleY(.35);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ------------------------------------------------ splits ---- */
.split{display:grid;gap:38px}
@media(min-width:900px){
  .split{grid-template-columns:1fr 1fr;gap:88px;align-items:center}
  .split.wide-l{grid-template-columns:1.08fr .92fr}
  .split.wide-r{grid-template-columns:.92fr 1.08fr}
}
.figure{position:relative;overflow:hidden;background:var(--paper-2);margin:0}
.figure img{width:100%;height:100%;object-fit:cover;
  transform:scale(1.03);transition:transform 1.6s var(--ease)}
.figure:hover img{transform:scale(1)}
.rt-45{aspect-ratio:4/5}
.rt-43{aspect-ratio:4/3}
.rt-32{aspect-ratio:3/2}
.rt-11{aspect-ratio:1/1}
.rt-169{aspect-ratio:16/10}
/* 手机上让菜品图出血到屏幕两边，画面更大、留白仍在 */
@media(max-width:820px){
  .dish .figure,.plate .figure{
    margin-left:calc(var(--gut) * -1);
    margin-right:calc(var(--gut) * -1);
  }
}

.stack>*+*{margin-top:22px}
.stack-lg>*+*{margin-top:34px}

/* ------------------------------------------------ scene ----- */
.scene-head{max-width:640px}
.scene-wrap{margin-top:48px}
@media(min-width:820px){.scene-wrap{margin-top:70px}}
.scene{width:100%;height:auto;display:block;overflow:visible}
.scene .obj{cursor:pointer;opacity:0;transform:translateY(18px);
  transition:opacity 1s var(--ease),transform 1s var(--ease)}
.scene.in .obj{opacity:1;transform:none}
.scene.in .obj:nth-child(1){transition-delay:.04s}
.scene.in .obj:nth-child(2){transition-delay:.12s}
.scene.in .obj:nth-child(3){transition-delay:.2s}
.scene.in .obj:nth-child(4){transition-delay:.28s}
.scene.in .obj:nth-child(5){transition-delay:.36s}
.scene.in .obj:nth-child(6){transition-delay:.44s}
.obj-lift{transition:transform .62s var(--ease)}
.scene.in .obj:hover .obj-lift,
.scene.in .obj.on .obj-lift{transform:translateY(-8px)}
.ln{fill:none;stroke:var(--walnut);stroke-width:3;stroke-linecap:round;
  stroke-linejoin:round;transition:stroke .45s var(--ease)}
.ln-t{fill:none;stroke:var(--walnut);stroke-width:1.6;stroke-linecap:round;
  opacity:.5;transition:stroke .45s var(--ease)}
.sf{fill:var(--sand-d);stroke:var(--walnut);stroke-width:3;stroke-linecap:round;
  stroke-linejoin:round;transition:fill .45s var(--ease),stroke .45s var(--ease)}
.dk{fill:var(--walnut);transition:fill .45s var(--ease),stroke .45s var(--ease)}
.scene .obj:hover .ln,.scene .obj.on .ln,
.scene .obj:hover .sf,.scene .obj.on .sf{stroke:var(--clay)}
.scene .obj:hover .dk,.scene .obj.on .dk{fill:var(--clay)}
.scene .obj:hover .ln-t,.scene .obj.on .ln-t{stroke:var(--clay)}
.rail{fill:none;stroke:var(--line-d);stroke-width:3;stroke-linecap:round}
.rail-sf{fill:var(--sand);stroke:var(--line-d);stroke-width:2.5}

.sh{fill:rgba(74,52,42,.10)}
.steam path{fill:none;stroke:var(--walnut);stroke-width:2.6;stroke-linecap:round;
  opacity:0;transform-box:fill-box;transform-origin:center bottom;
  animation:steam 4.6s ease-in-out infinite}
.steam path:nth-child(2){animation-delay:1.5s}
.steam path:nth-child(3){animation-delay:3s}
@keyframes steam{
  0%{opacity:0;transform:translateY(16px) scaleY(.86)}
  22%{opacity:.62}
  62%{opacity:.4}
  100%{opacity:0;transform:translateY(-30px) scaleY(1.08)}
}

.scene-note{margin-top:44px;text-align:center;min-height:112px}
.scene-note .nm{
  font-family:var(--serif);font-size:21px;letter-spacing:.12em;
  color:var(--clay);transition:opacity .34s var(--ease);
}
.scene-note .tx{
  margin:12px auto 0;max-width:430px;
  color:var(--mute);font-size:14px;line-height:2.05;
  transition:opacity .34s var(--ease);
}
.scene-note.fade .nm,.scene-note.fade .tx{opacity:0}
.scene-dots{display:flex;justify-content:center;gap:9px;margin-top:26px}
.scene-dots i{width:5px;height:5px;border-radius:50%;background:var(--line-d);
  transition:background .4s var(--ease),transform .4s var(--ease)}
.scene-dots i.on{background:var(--clay);transform:scale(1.35)}

/* ------------------------------------------------ plates ---- */
.plates{margin-top:56px;display:flex;flex-direction:column;gap:88px}
@media(min-width:820px){.plates{gap:154px;margin-top:78px}}
.plate{width:100%;max-width:740px;margin:0 auto}
.plate .figure{background:var(--paper-2)}
.plate-body{margin-top:32px}
@media(min-width:820px){.plate-body{margin-top:40px}}
.plate-meta{display:flex;align-items:baseline;gap:16px}
.plate-idx{font-size:10px;letter-spacing:.32em;color:var(--clay)}
.plate-cat{font-size:10px;letter-spacing:.32em;color:var(--mute);text-transform:uppercase}
.plate h3{margin:15px 0 0;font-family:var(--serif);font-weight:400;
  font-size:clamp(23px,6.2vw,31px);letter-spacing:.03em;line-height:1.4}
.plate p{margin:14px 0 0;color:var(--mute);font-size:14px;line-height:2.05;max-width:32em}

.quiet{
  display:inline-flex;align-items:center;gap:13px;
  font-size:11px;letter-spacing:.3em;padding-bottom:7px;
  border-bottom:1px solid var(--line-d);
  transition:border-color .5s var(--ease),color .5s var(--ease);
}
.quiet:hover{border-color:var(--clay);color:var(--clay)}
.quiet .ar{transition:transform .5s var(--ease)}
.quiet:hover .ar{transform:translateX(5px)}

/* ------------------------------------------------ visit ----- */
.info-list{list-style:none;margin:0;padding:0}
.info-list li{display:grid;grid-template-columns:82px 1fr;gap:16px;
  padding:19px 0;border-bottom:1px solid var(--line)}
.info-list li:first-child{border-top:1px solid var(--line)}
.info-list .k{font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--mute);padding-top:5px}
.info-list .v{font-size:14.5px;line-height:1.95}
.info-list .v em{font-style:normal;color:var(--mute);display:block;font-size:13px}

/* ------------------------------------------------ footer ---- */
.foot{background:var(--dark);color:rgba(246,241,231,.68);padding:92px 0 42px}
.foot .seal{width:116px;height:116px;margin:0 auto}
.foot .seal svg{width:100%;height:100%;display:block}
.foot .fline{margin:30px auto 0;max-width:300px;text-align:center;
  font-size:11px;letter-spacing:.3em;color:rgba(246,241,231,.5)}
.foot .fnav{display:flex;justify-content:center;flex-wrap:wrap;gap:34px;
  margin:42px 0 0;padding-top:38px;border-top:1px solid rgba(246,241,231,.12)}
.foot .fnav a{font-size:11px;letter-spacing:.28em;color:rgba(246,241,231,.66);
  transition:color .4s var(--ease)}
.foot .fnav a:hover{color:var(--paper)}
.foot .fbot{margin-top:44px;display:flex;flex-direction:column;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:10.5px;letter-spacing:.2em;color:rgba(246,241,231,.38)}
@media(min-width:700px){.foot .fbot{flex-direction:row}}

/* ------------------------------------------------ menu page - */
.m-head{padding:62px 0 0}
@media(min-width:880px){.m-head{padding:92px 0 0}}
.m-head h1{margin:20px 0 0}
.m-head .lead{margin-top:26px;max-width:44em}
.m-note{margin-top:30px;font-size:12.5px;letter-spacing:.16em;
  color:var(--clay);padding-left:18px;border-left:2px solid rgba(180,83,42,.4)}

.topbar{position:sticky;top:0;z-index:600;background:rgba(246,241,231,.95);
  -webkit-backdrop-filter:saturate(1.3) blur(16px);
  backdrop-filter:saturate(1.3) blur(16px);
  box-shadow:0 1px 0 rgba(43,32,26,.08)}
.filters{display:flex;gap:30px;overflow-x:auto;padding:15px var(--gut);
  scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.filters a{flex:none;position:relative;padding:5px 0;white-space:nowrap;
  font-size:11px;letter-spacing:.26em;color:var(--mute);
  transition:color .4s var(--ease)}
.filters a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease)}
.filters a.on{color:var(--ink)}
.filters a.on::after{transform:scaleX(1)}

.cat-sec{padding:72px 0 0}
@media(min-width:820px){.cat-sec{padding:104px 0 0}}
.cat-sec:last-of-type{padding-bottom:96px}
.cat-head{display:flex;align-items:baseline;gap:18px;
  padding-bottom:20px;border-bottom:1px solid var(--line)}
.cat-head .d3{flex:none}
.cat-head .cnt{margin-left:auto;font-size:10.5px;letter-spacing:.28em;color:var(--mute)}

.dishes{margin-top:64px;display:flex;flex-direction:column;gap:82px}
@media(min-width:820px){.dishes{margin-top:92px;gap:148px}}
.dish{max-width:740px;margin:0 auto;width:100%}
.dish .figure{background:var(--paper-2)}
.dish-body{margin-top:30px}
@media(min-width:820px){.dish-body{margin-top:38px}}
.dish-meta{display:flex;align-items:center;gap:16px}
.dish-idx{font-size:10px;letter-spacing:.32em;color:var(--clay)}
.dish-cat{font-size:10px;letter-spacing:.3em;color:var(--mute);text-transform:uppercase}
.dish h3{margin:14px 0 0;font-family:var(--serif);font-weight:400;
  font-size:clamp(22px,6vw,30px);letter-spacing:.03em;line-height:1.42}
.dish p{margin:13px 0 0;color:var(--mute);font-size:14px;line-height:2.05;max-width:32em}

.like{margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  padding:6px 2px;color:var(--mute);font-size:11px;letter-spacing:.16em;
  transition:color .4s var(--ease)}
.like svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5;
  stroke-linecap:round;transition:fill .4s var(--ease),stroke .4s var(--ease)}
.like:hover{color:var(--clay)}
.like.on{color:var(--clay)}
.like.on svg{fill:var(--clay)}
.like.pop svg{animation:pop .6s var(--ease)}
@keyframes pop{0%{transform:scale(1)}32%{transform:scale(1.42)}58%{transform:scale(.9)}100%{transform:scale(1)}}

/* ------------------------------------------------ reveal ---- */
.rv{opacity:0;transform:translateY(28px);
  transition:opacity 1.05s var(--ease),transform 1.05s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1x{transition-delay:.1s}.rv.d2x{transition-delay:.2s}.rv.d3x{transition-delay:.3s}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
  .hero-media img{animation:none;transform:none}
}