/* 故里咖啡馆 · 单页长滚动前台
   配色：深褐 / 焦糖 / 米白    字体：正文老式衬线，标题手写体 */

:root{
  /* 深褐 */
  --brown-900:#241610;
  --brown-700:#3a2417;
  --brown-600:#4a3224;

  /* 焦糖 */
  --caramel:#b07a3f;
  --caramel-deep:#8a5a2b;

  /* 米白 */
  --cream-50:#f7f0e3;
  --cream-100:#f2e8d5;
  --cream-200:#e8dac0;

  --ink:#33231a;      /* 正文：深褐 */
  --muted:#5a4331;
  --tan:#8a6a4a;
  --line:rgba(58,36,23,.14);

  /* 正文：老式衬线体 */
  --font-serif:"Songti SC","STSong","Noto Serif SC","SimSun",Georgia,"Times New Roman",serif;
  /* 标题：手写体（本地行楷优先，网络字体作补充） */
  --font-hand:"Ma Shan Zheng","Xingkai SC","STXingkai","华文行楷","KaiTi","STKaiti",cursive;

  /* 胶片颗粒 */
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");

  --wrap:1080px;
}

*,*::before,*::after{ box-sizing:border-box; }
[hidden]{ display:none !important; }

html{
  color-scheme:light;
  scrollbar-color:var(--brown-600) var(--cream-100);
  scroll-behavior:smooth;
  scroll-padding-top:76px;
}
/* 滚动条：本页常被嵌进介绍页三栏的 iframe（成品网页那一栏），是一份浅色复古页。
   浏览器默认的自绘滚动条在深色父页里是一条突兀的亮白条，这里按本页自己的暖色基调
   上色（深褐滑块 / 米白槽），与示例一的 retro-cafe 用同一套写法。 */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:var(--cream-100); }
::-webkit-scrollbar-thumb{
  background:var(--brown-600);
  border-radius:5px;
  border:2px solid var(--cream-100);
}
::-webkit-scrollbar-thumb:hover{ background:var(--brown-700); }

body{
  margin:0;
  background:var(--cream-50);
  color:var(--ink);
  font-family:var(--font-serif);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* 整站胶片颗粒（覆盖所有照片，统一质感） */
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:1500;
  background:var(--grain);
  opacity:.055;
  mix-blend-mode:multiply;
  pointer-events:none;
}

img{ display:block; max-width:100%; }
/* 照片统一走暗调、低饱和的胶片观感 */
figure img{ filter:saturate(.82) contrast(.94) brightness(.92); }

a{ color:inherit; }
button{ font-family:inherit; }

h1,h2,h3{ font-weight:400; }

/* 手写体标题 */
.hand{
  font-family:var(--font-hand);
  color:var(--brown-700);
  letter-spacing:.04em;
  line-height:1.35;
}

::selection{ background:rgba(176,122,63,.32); }

/* ==================== 顶栏（固定常驻） ==================== */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:1200;
  transition:background .25s ease,box-shadow .25s ease;
}
.header-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:14px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.site-header.scrolled{
  background:rgba(247,240,227,.95);
  box-shadow:0 1px 0 var(--line);
}

.logo{
  font-family:var(--font-hand);
  font-size:1.25rem;
  letter-spacing:.12em;
  color:var(--cream-50);
  text-decoration:none;
  text-shadow:0 1px 8px rgba(20,12,6,.6);
  transition:color .25s ease,text-shadow .25s ease;
}
.site-header.scrolled .logo{ color:var(--brown-700); text-shadow:none; }

.site-nav{ display:flex; align-items:center; gap:26px; }
.nav-link{
  position:relative;
  text-decoration:none;
  color:var(--cream-50);
  font-size:.95rem;
  letter-spacing:.1em;
  padding:4px 0;
  text-shadow:0 1px 8px rgba(20,12,6,.6);
  transition:color .25s ease,text-shadow .25s ease;
}
.site-header.scrolled .nav-link{ color:var(--brown-700); text-shadow:none; }
.nav-link::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  opacity:0;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-link:hover::after,.nav-link.is-active::after{ transform:none; opacity:.65; }

.nav-toggle{ display:none; }

/* ==================== 按钮：克制的文艺短句 ==================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brown-700);
  color:var(--cream-50);
  border:1px solid rgba(36,22,16,.5);
  border-radius:12px;
  padding:.75em 1.7em;
  font-size:1rem;
  letter-spacing:.12em;
  cursor:pointer;
  box-shadow:0 6px 16px rgba(36,22,16,.18);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn:hover{ background:#4a2e1d; transform:translateY(-2px); box-shadow:0 10px 22px rgba(36,22,16,.26); }
.btn:active{ transform:none; }

/* ==================== ① 首屏大图 ==================== */
.hero{
  position:relative;
  min-height:100svh;
  display:grid;
  place-items:center;
  overflow:hidden;
}
.hero-media{ position:absolute; inset:0; z-index:0; margin:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(180deg,rgba(24,14,7,.52),rgba(24,14,7,.34) 45%,rgba(24,14,7,.62));
}
.hero-body{
  position:relative;
  z-index:2;
  text-align:center;
  padding:0 24px;
}
/* 店名与短句：米白 + 衬线体 */
.hero-title{
  margin:0;
  font-family:var(--font-serif);
  font-weight:400;
  color:var(--cream-50);
  font-size:clamp(2.5rem,7.5vw,4.4rem);
  letter-spacing:.22em;
  text-indent:.22em;
  line-height:1.25;
  text-shadow:0 2px 10px rgba(16,9,4,.55),0 8px 34px rgba(0,0,0,.4);
}
.hero-sub{
  margin:18px 0 0;
  font-family:var(--font-serif);
  color:var(--cream-50);
  font-size:clamp(1rem,2.2vw,1.2rem);
  letter-spacing:.5em;
  text-indent:.5em;
  opacity:.95;
  text-shadow:0 2px 10px rgba(16,9,4,.6);
}

/* ==================== 通用区块 ==================== */
.story,.menu,.gallery,.visit,.site-footer{
  padding:88px 24px;
  max-width:var(--wrap);
  margin:0 auto;
}
.section-head{ text-align:center; margin-bottom:52px; }
.eyebrow{
  margin:0 0 12px;
  font-size:.8rem;
  letter-spacing:.4em;
  text-indent:.4em;
  color:var(--caramel-deep);
}
.section-head h2{ margin:0; font-size:clamp(1.8rem,4.6vw,2.6rem); }
.section-intro{
  margin:18px auto 0;
  max-width:34em;
  color:var(--muted);
  font-size:.98rem;
}

/* ==================== ② 品牌故事 ==================== */
.story-body{ max-width:44em; margin:0 auto; }
.chapter{ margin-bottom:48px; }
.chapter:last-of-type{ margin-bottom:0; }
.chapter h3{
  font-size:1.5rem;
  margin:0 0 16px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.chapter p{ margin:0 0 16px; color:var(--brown-700); }
.chapter p:last-child{ margin-bottom:0; }
.story-sign{
  margin:52px 0 0;
  text-align:right;
  color:var(--caramel-deep);
  letter-spacing:.16em;
  font-size:.95rem;
}

/* ==================== ③ 菜单：干净价目表，无配图 ==================== */
.menu-en{
  margin:14px 0 0;
  font-size:.76rem;
  letter-spacing:.42em;
  text-indent:.42em;
  color:var(--tan);
}
.menu-board{
  max-width:820px;
  margin:0 auto;
  background:var(--cream-100);
  border:1px solid var(--line);
  border-radius:14px;
  padding:34px 30px;
  box-shadow:0 12px 30px rgba(36,22,16,.08);
}
.menu-group + .menu-group{ margin-top:38px; padding-top:32px; border-top:1px dashed rgba(58,36,23,.22); }
.menu-group h3{
  font-size:1.45rem;
  margin:0 0 14px;
  color:var(--caramel-deep);
}
.price-list{ list-style:none; margin:0; padding:0; }
.price-list li{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 0;
  color:var(--brown-700);
}
.price-list .dish{ white-space:nowrap; }
.price-list .dot{
  flex:1 1 auto;
  border-bottom:1px dotted rgba(90,67,49,.45);
  transform:translateY(-4px);
}
.price-list .price{
  font-family:var(--font-serif);
  font-size:1.08rem;
  color:var(--caramel-deep);
  font-weight:700;
  letter-spacing:.02em;
}

/* ==================== ④ 店内环境图集：通栏照片，说明在图下方 ==================== */
.gallery .section-head{ margin-bottom:40px; }
.shot{ margin:0 0 46px; }
.shot img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:12px;
  box-shadow:0 14px 34px rgba(36,22,16,.16);
}
.shot figcaption{
  margin-top:14px;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.8;
}

/* ==================== ⑤ 门店信息 + 在线订座 ==================== */
.visit-grid{ display:grid; gap:44px; }
.info-list{ margin:0; }
.info-list dt{
  font-size:1.25rem;
  color:var(--brown-700);
  margin:26px 0 6px;
}
.info-list dt:first-child{ margin-top:0; }
.info-list dd{ margin:0; color:var(--muted); }
.info-list a{ color:var(--caramel-deep); text-decoration:none; border-bottom:1px solid rgba(138,90,43,.4); }
.info-list a:hover{ border-bottom-color:var(--caramel-deep); }
.addr-en{
  margin:28px 0 0;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:.88rem;
  letter-spacing:.02em;
  color:var(--tan);
}

.booking{
  background:var(--cream-100);
  border:1px solid var(--line);
  border-radius:14px;
  padding:30px 26px;
  box-shadow:0 12px 30px rgba(36,22,16,.08);
  align-self:start;
}
.booking h3{ font-size:1.5rem; margin:0 0 10px; }
.booking-intro{ margin:0 0 22px; color:var(--muted); font-size:.94rem; }
.booking-form{ display:flex; flex-direction:column; gap:16px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:.86rem; letter-spacing:.14em; color:var(--muted); }
.field input,.field select{
  font-family:inherit;
  font-size:1rem;
  padding:11px 13px;
  border:1px solid rgba(58,36,23,.24);
  border-radius:10px;
  background:var(--cream-50);
  color:var(--ink);
}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--caramel);
  box-shadow:0 0 0 3px rgba(176,122,63,.22);
}
.form-err{ margin:0; color:#9c4a22; font-size:.88rem; }
.booking-form .btn{ margin-top:6px; }
.form-note{
  margin:2px 0 0;
  font-size:.8rem;
  line-height:1.7;
  color:var(--tan);
}

/* ==================== ⑥ 页脚 ==================== */
.site-footer{
  border-top:1px solid var(--line);
  text-align:center;
}
.site-footer h2{ margin:0 0 36px; font-size:clamp(1.6rem,4vw,2.2rem); }
.footer-grid{ display:grid; gap:32px; }
.footer-col h3{
  font-size:1.2rem;
  margin:0 0 12px;
  color:var(--caramel-deep);
}
.footer-col p{ margin:0 0 8px; color:var(--muted); font-size:.95rem; }
.footer-col a{ text-decoration:none; border-bottom:1px solid rgba(138,90,43,.35); }
.footer-col a:hover{ border-bottom-color:var(--caramel-deep); }
.colophon{
  margin:56px 0 0;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:.78rem;
  letter-spacing:.08em;
  color:var(--tan);
}

/* ==================== 提示浮层 ==================== */
.toast{
  position:fixed;
  left:50%;
  bottom:26px;
  transform:translate(-50%,10px);
  z-index:2000;
  max-width:min(90vw,420px);
  background:var(--brown-700);
  color:var(--cream-50);
  padding:12px 20px;
  border-radius:10px;
  font-size:.92rem;
  line-height:1.7;
  box-shadow:0 12px 30px rgba(36,22,16,.32);
  opacity:0;
  transition:opacity .3s ease,transform .3s ease;
}
.toast.show{ opacity:1; transform:translate(-50%,0); }

/* ==================== 滚动入场：只有淡入，无位移 ==================== */
.js .reveal{ opacity:0; transition:opacity .7s ease; }
.js .reveal.in{ opacity:1; }

/* ==================== 断点一：手机（默认版式） ==================== */
/* 默认即手机版式：单列、字号宽松、导航折叠 */

/* ==================== 断点二：桌面 ≥900px（单独调版式，非等比缩放） ==================== */
@media (min-width:900px){

  /* 故事：四章排成两栏 */
  .story-body{
    max-width:none;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:0 62px;
    align-items:start;
  }
  .chapter{ margin-bottom:44px; }
  .story-sign{ grid-column:1 / -1; margin-top:8px; }

  /* 菜单：三组并排成一张价目表 */
  .menu-board{
    max-width:none;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0 40px;
    padding:40px 44px;
  }
  .menu-group + .menu-group{
    margin-top:0;
    padding-top:0;
    padding-left:40px;
    border-top:0;
    border-left:1px dashed rgba(58,36,23,.22);
  }

  /* 门店信息：左信息右订座 */
  .visit-grid{ grid-template-columns:1.15fr .85fr; gap:56px; align-items:start; }

  /* 页脚：三栏并列 */
  .footer-grid{ grid-template-columns:repeat(3,1fr); gap:40px; }
}

/* ==================== 平板及以下：折叠导航 ==================== */
@media (max-width:899px){
  .nav-toggle{
    display:inline-flex;
    flex-direction:column;
    gap:5px;
    background:none;
    border:0;
    padding:8px;
    cursor:pointer;
  }
  .nav-toggle span{
    width:22px; height:2px;
    background:var(--cream-50);
    box-shadow:0 1px 6px rgba(20,12,6,.6);
    transition:transform .25s ease,opacity .25s ease,background .25s ease;
  }
  .site-header.scrolled .nav-toggle span{ background:var(--brown-700); box-shadow:none; }
  .nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .site-nav{
    position:fixed;
    top:60px;
    left:0; right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:rgba(247,240,227,.98);
    padding:8px 24px 24px;
    box-shadow:0 14px 28px rgba(36,22,16,.16);
    transform:translateY(-10px);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .site-nav.open{ transform:none; opacity:1; pointer-events:auto; }
  .site-nav .nav-link{
    color:var(--brown-700);
    text-shadow:none;
    padding:13px 0;
    font-size:1.02rem;
  }
  .site-nav .nav-link + .nav-link{ border-top:1px solid var(--line); }
}

/* ==================== 小屏微调 ==================== */
@media (max-width:480px){
  .story,.menu,.gallery,.visit,.site-footer{ padding:64px 18px; }
  .menu-board{ padding:26px 20px; }
  .booking{ padding:24px 20px; }
  .price-list li{ padding:8px 0; }
}

/* ==================== 动效降级 ==================== */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ transition:none !important; animation:none !important; }
  .js .reveal{ opacity:1; }
}