/* ============================================================
   重庆崽儿火锅 · 官网重构版
   设计语言：崽儿红 / 宣纸米 / 墨色 / 鎏金
   ============================================================ */

:root{
  --red:        #A52226;
  --red-deep:   #7E1518;
  --red-dark:   #4A0E10;
  --cream:      #F4EDE2;
  --paper:      #EFE6D8;
  --ink:        #1C1310;
  --ink-soft:   #4A3F3A;
  --gold:       #D2A45B;
  --white:      #FFFFFF;
  --radius:     18px;
  --shadow:     0 20px 50px rgba(28,19,16,.14);
  --font-cn:    "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-serif: "Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --header-h:   76px;
  --ease:       cubic-bezier(.215,.61,.355,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  color:var(--ink);
  background:var(--cream);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
.container{width:min(1280px,92%);margin:0 auto}

/* ---------- 通用节标题 ---------- */
.section{padding:110px 0;position:relative}
.sec-head{text-align:center;margin-bottom:64px}
.sec-head em{
  display:flex;align-items:center;justify-content:center;gap:16px;
  font-style:normal;letter-spacing:.5em;text-indent:.5em;
  font-size:12px;color:var(--red);font-weight:600;margin-bottom:18px;
}
.sec-head em::before,.sec-head em::after{
  content:"";width:52px;height:1px;
  background:linear-gradient(90deg,transparent,currentColor);
  opacity:.45;
}
.sec-head em::after{background:linear-gradient(90deg,currentColor,transparent)}
.sec-head h2{
  font-family:var(--font-serif);font-size:clamp(30px,4vw,46px);
  font-weight:900;letter-spacing:.08em;color:var(--ink);position:relative;display:inline-block;
}
.sec-head h2 b{
  display:block;font-size:14px;font-weight:600;letter-spacing:.3em;
  color:var(--red);margin-top:18px;padding-top:16px;position:relative;
  font-family:var(--font-cn);
}
.sec-head h2 b::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:200px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(165,34,38,.45) 25%,rgba(165,34,38,.45) 75%,transparent);
}
.sec-head h2 b::after{
  content:"";position:absolute;top:-4.5px;left:50%;transform:translateX(-50%) rotate(45deg);
  width:9px;height:9px;background:var(--red);box-shadow:0 0 0 3px var(--cream);
}
.sec-head.light h2{color:var(--white)}
.sec-head.light h2 b{color:var(--gold)}
.sec-head.light h2 b::before{
  background:linear-gradient(90deg,transparent,rgba(210,164,91,.55) 25%,rgba(210,164,91,.55) 75%,transparent);
}
.sec-head.light h2 b::after{background:var(--gold);box-shadow:none}
.sec-sub{margin-top:14px;color:var(--ink-soft);letter-spacing:.25em;font-size:15px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;padding:14px 44px;border-radius:999px;
  font-size:16px;font-weight:700;letter-spacing:.2em;text-indent:.2em;
  transition:all .4s var(--ease);border:2px solid transparent;
}
.btn-solid{background:var(--red);color:#fff;box-shadow:0 12px 30px rgba(165,34,38,.35)}
.btn-solid:hover{background:var(--red-deep);transform:translateY(-3px)}
.btn-ghost{border-color:rgba(255,255,255,.75);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--red);transform:translateY(-3px)}
.btn-light{background:linear-gradient(135deg,#fff 0%,#EBDBCD 100%);color:var(--red-deep)}
.btn-light:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.3)}
.btn-outline{border-color:var(--gold);color:var(--gold)}
.btn-outline:hover{background:var(--gold);color:var(--red-dark);transform:translateY(-3px)}

/* ============================================================
   顶部导航
   ============================================================ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1000;height:var(--header-h);
  display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(20,8,8,.72),rgba(20,8,8,0));
  transition:background .5s var(--ease),box-shadow .5s var(--ease),height .4s var(--ease);
}
.site-header.scrolled{
  background:rgba(26,12,12,.92);backdrop-filter:blur(14px);
  box-shadow:0 6px 30px rgba(0,0,0,.25);height:64px;
}
.header-inner{
  width:min(1400px,94%);margin:0 auto;
  display:flex;align-items:center;gap:34px;
}
.logo img{height:46px;width:auto;transition:height .4s var(--ease)}
.site-header.scrolled .logo img{height:38px}
.main-nav{flex:1}
.main-nav ul{display:flex;justify-content:center;gap:clamp(8px,1.9vw,34px)}
.main-nav a{
  color:#fff;font-size:16px;font-weight:600;letter-spacing:.12em;
  padding:10px 4px;position:relative;white-space:nowrap;
  display:flex;flex-direction:column;align-items:center;line-height:1.3;
}
.main-nav a i{
  font-style:normal;font-size:10px;letter-spacing:.28em;
  color:rgba(255,255,255,.45);font-weight:400;
  transition:color .3s;
}
.main-nav a::after{
  content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:0;height:2px;background:var(--gold);border-radius:2px;transition:width .4s var(--ease);
}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.main-nav a:hover i,.main-nav a.active i{color:var(--gold)}

.tel-pill{
  display:flex;align-items:center;gap:10px;color:#fff;
  background:var(--red);padding:9px 18px;border-radius:999px;white-space:nowrap;
  transition:all .35s var(--ease);box-shadow:0 8px 22px rgba(165,34,38,.4);
}
.tel-pill:hover{background:var(--red-deep);transform:translateY(-2px)}
.tel-pill span{display:flex;flex-direction:column;line-height:1.25;font-size:15px;font-weight:700}
.tel-pill small{font-size:10px;font-weight:400;color:rgba(255,255,255,.75);letter-spacing:.08em}

.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:1002}
.hamburger span{width:26px;height:2.5px;background:#fff;border-radius:3px;transition:all .35s var(--ease)}
.hamburger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;width:min(320px,84vw);height:100vh;z-index:1001;
  background:linear-gradient(160deg,#331012,#1C0808);
  padding:96px 12% 40px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(105%);transition:transform .5s var(--ease);
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer nav{display:flex;flex-direction:column}
.mobile-drawer nav a{
  color:var(--cream);font-size:18px;letter-spacing:.2em;
  padding:16px 4px;border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer nav a:active{color:var(--gold)}
.drawer-tel{
  margin-top:auto;color:var(--gold);font-size:22px;font-weight:700;
  display:flex;flex-direction:column;line-height:1.4;
}
.drawer-tel small{font-size:12px;color:rgba(244,237,226,.6);font-weight:400}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999;
  opacity:0;pointer-events:none;transition:opacity .4s;
}
.drawer-mask.show{opacity:1;pointer-events:auto}

/* ============================================================
   首屏
   ============================================================ */
.hero{position:relative;height:100vh;min-height:640px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url("../img/6720aa3c01c30.jpg") center/cover no-repeat;
  animation:heroZoom 18s var(--ease) both;
}
@keyframes heroZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 50% 40%,rgba(30,8,8,.18) 0%,rgba(30,8,8,.78) 100%),
    linear-gradient(180deg,rgba(20,6,6,.55) 0%,rgba(20,6,6,.15) 40%,rgba(20,6,6,.72) 100%);
}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 5%;max-width:1080px}
.hero-logo{
  width:min(720px,86vw);margin:0 auto 30px;
  filter:drop-shadow(0 14px 34px rgba(0,0,0,.5));
}
.hero-slogan{
  color:var(--gold);font-size:clamp(16px,2vw,21px);letter-spacing:.3em;
  font-weight:600;margin-bottom:18px;
}
.hero-sub{
  color:rgba(255,255,255,.88);font-size:clamp(13px,1.4vw,16px);
  line-height:2;letter-spacing:.06em;margin-bottom:42px;
}
.hero-btns{display:flex;gap:22px;justify-content:center;flex-wrap:wrap}
.scroll-hint{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;
  width:26px;height:44px;border:2px solid rgba(255,255,255,.6);border-radius:999px;
  display:flex;justify-content:center;padding-top:8px;
}
.scroll-hint span{
  width:4px;height:9px;border-radius:4px;background:#fff;
  animation:scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* ============================================================
   品牌数据
   ============================================================ */
.stats-section{background:var(--red);padding:0}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  transform:translateY(-56px);
  background:var(--white);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.stat{
  text-align:center;padding:44px 10px;position:relative;
}
.stat+.stat::before{
  content:"";position:absolute;left:0;top:26%;height:48%;width:1px;
  background:linear-gradient(180deg,transparent,#E4D5C2,transparent);
}
.stat strong{
  display:block;font-family:var(--font-serif);
  font-size:clamp(34px,4vw,52px);font-weight:900;color:var(--red);line-height:1.1;
}
.stat strong i{font-style:normal;font-size:.5em;margin-left:2px}
.stat span{display:block;margin-top:8px;color:var(--ink-soft);font-size:14px;letter-spacing:.15em}

/* ============================================================
   品牌历程
   ============================================================ */
.history{
  background:linear-gradient(180deg,#F8F3EA 0%,var(--paper) 100%);
  padding-bottom:90px;
}
.timeline-wrap{position:relative;width:min(1400px,92%);margin:0 auto}
.timeline-track{
  display:flex;gap:28px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:10px 4px 34px;scrollbar-width:none;
}
.timeline-track::-webkit-scrollbar{display:none}
.tl-card{
  flex:0 0 min(880px,88%);scroll-snap-align:center;
  border-radius:var(--radius);overflow:hidden;background:#fff;
  box-shadow:0 16px 44px rgba(28,19,16,.14);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
.tl-card:hover{transform:translateY(-8px);box-shadow:0 26px 60px rgba(28,19,16,.2)}
.tl-arrow{
  position:absolute;top:44%;transform:translateY(-50%);z-index:5;
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--red-deep);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(28,19,16,.18);
  transition:all .3s var(--ease);
}
.tl-arrow:hover{background:var(--red);color:#fff;transform:translateY(-50%) scale(1.06)}
.tl-arrow.prev{left:-8px}
.tl-arrow.next{right:-8px}

/* ============================================================
   定制方案
   ============================================================ */
.custom{
  background:
    linear-gradient(180deg,rgba(74,14,16,.96),rgba(46,8,9,.98)),
    url("../img/92b0bde913ede.jpg") center/cover fixed;
}
.custom-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.custom-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background-size:cover;background-position:center;min-height:460px;
  display:flex;align-items:flex-end;box-shadow:0 24px 60px rgba(0,0,0,.35);
  transition:transform .5s var(--ease);
}
.custom-card:hover{transform:translateY(-8px)}
.custom-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(24,6,6,.05) 30%,rgba(24,6,6,.88) 100%);
  transition:background .5s;
}
.custom-card-inner{
  position:relative;z-index:2;padding:46px 44px;width:100%;color:#fff;
}
.custom-card-inner h3{
  font-family:var(--font-serif);font-size:clamp(24px,2.4vw,32px);
  font-weight:900;letter-spacing:.1em;line-height:1.5;margin-bottom:16px;
  text-shadow:0 4px 18px rgba(0,0,0,.5);
}
.custom-card-inner p{
  color:rgba(255,255,255,.85);letter-spacing:.1em;margin-bottom:30px;
  border-left:3px solid var(--gold);padding-left:16px;line-height:1.9;
}

/* ============================================================
   四大实力
   ============================================================ */
.strength{background:linear-gradient(180deg,#2E0809,#41100F)}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.strength-card{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:520px;
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;
  box-shadow:0 18px 50px rgba(0,0,0,.35);
  transition:transform .5s var(--ease);
}
.strength-card:hover{transform:translateY(-10px)}
.sc-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,4,4,.1) 25%,rgba(20,4,4,.9) 100%);
}
.sc-body{position:relative;z-index:2;padding:34px 30px;color:#fff;width:100%}
.sc-body h3{
  font-family:var(--font-serif);font-size:24px;font-weight:900;
  letter-spacing:.12em;line-height:1.5;margin-bottom:8px;
}
.sc-en{
  font-size:12px;color:var(--gold);letter-spacing:.14em;margin-bottom:14px !important;
}
.sc-body p:not(.sc-en){font-size:14px;color:rgba(255,255,255,.85);line-height:1.9}
.sc-body ul{margin-top:2px}
.sc-body li{
  font-size:14px;color:rgba(255,255,255,.88);padding:5px 0 5px 18px;position:relative;
}
.sc-body li::before{
  content:"";position:absolute;left:0;top:13px;width:7px;height:7px;
  border-radius:2px;background:var(--gold);transform:rotate(45deg);
}
.sc-honor{margin-top:18px;border-radius:10px;box-shadow:0 10px 26px rgba(0,0,0,.4)}

/* ============================================================
   八大指导
   ============================================================ */
.support{
  background:
    radial-gradient(80% 60% at 50% 0%,rgba(210,164,91,.12),transparent 70%),
    var(--paper);
}
.support-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  counter-reset:support;
}
.support-card{
  background:#fff;border-radius:var(--radius);padding:32px 28px;
  box-shadow:0 12px 34px rgba(28,19,16,.08);
  border-top:4px solid var(--red);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.support-card:hover{
  transform:translateY(-8px);box-shadow:0 24px 54px rgba(126,21,24,.16);
}
.support-card h3{
  font-family:var(--font-serif);font-size:21px;font-weight:900;
  color:var(--red-deep);letter-spacing:.1em;margin-bottom:18px;
  display:flex;align-items:baseline;gap:10px;
}
.support-card h3 i{
  font-style:normal;font-size:13px;color:var(--gold);font-family:Georgia,serif;
  letter-spacing:.05em;
}
.support-card li{
  font-size:14px;color:var(--ink-soft);padding:6px 0 6px 16px;position:relative;
  border-bottom:1px dashed rgba(28,19,16,.08);
}
.support-card li:last-child{border-bottom:0}
.support-card li::before{
  content:"";position:absolute;left:0;top:14px;width:6px;height:6px;
  border-radius:50%;background:var(--red);opacity:.65;
}

/* ============================================================
   特色锅底
   ============================================================ */
.pots{background:linear-gradient(180deg,#41100F,#2E0809)}
.pots-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pot-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;box-shadow:0 16px 44px rgba(0,0,0,.35);background:#2b1a14;
}
.pot-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.pot-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(20,4,4,.82) 100%);
}
.pot-name{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:18px 24px 16px;color:#fff;
  font-family:var(--font-serif);font-weight:900;
  font-size:22px;letter-spacing:.26em;text-indent:.26em;
  display:flex;align-items:center;gap:12px;
}
.pot-name::before{
  content:"";width:18px;height:2px;background:var(--gold);
  border-radius:2px;flex:none;transition:width .45s var(--ease);
}
.pot-card:hover img{transform:scale(1.08)}
.pot-card:hover .pot-name{color:var(--gold)}
.pot-card:hover .pot-name::before{width:34px}

/* ============================================================
   为什么选择
   ============================================================ */
.why{
  background:
    radial-gradient(90% 80% at 50% 110%,rgba(165,34,38,.5),transparent 60%),
    linear-gradient(180deg,#26090A,#3B0D0E);
  text-align:center;
}
.why-inner{display:flex;flex-direction:column;align-items:center;gap:26px}
.why-art{width:min(880px,92vw)}

/* ============================================================
   特色菜品
   ============================================================ */
.dishes{background:var(--cream)}
.dish-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.dish-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:1/1;box-shadow:0 12px 36px rgba(28,19,16,.1);
  background:#2b1a14;
}
.dish-card.feature{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.dish-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .8s var(--ease);
}
.dish-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 52%,rgba(20,4,4,.82) 100%);
  transition:opacity .5s;
}
.dish-name{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:16px 20px 14px;color:#fff;
  font-family:var(--font-serif);font-weight:700;
  font-size:19px;letter-spacing:.22em;text-indent:.22em;
  display:flex;align-items:center;gap:10px;
}
.dish-name::before{
  content:"";width:16px;height:2px;background:var(--gold);
  border-radius:2px;flex:none;transition:width .45s var(--ease);
}
.dish-card:hover img{transform:scale(1.08)}
.dish-card:hover .dish-name{color:var(--gold)}
.dish-card:hover .dish-name::before{width:30px}
.dish-more{text-align:center;margin-top:52px}

/* ============================================================
   在线留言
   ============================================================ */
.message{
  background:
    radial-gradient(1050px 480px at 76% 8%,rgba(210,164,91,.20),transparent 62%),
    radial-gradient(700px 420px at 6% 88%,rgba(165,34,38,.07),transparent 65%),
    linear-gradient(180deg,#F9F3EA 0%,#EFE5D6 100%);
  overflow:hidden;
  scroll-margin-top:calc(var(--header-h) + 18px);
}
.message::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(120,80,50,.035) 0 1px,transparent 1px 4px);
  opacity:.55;
}
/* 火锅背景：右侧淡入的俯拍红锅，左浅右深不抢表单 */
.msg-bg{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background:url("../img/bg_msg.jpg") right 30%/cover no-repeat;
  opacity:.9;
  mix-blend-mode:normal;
  -webkit-mask-image:linear-gradient(100deg,transparent 0%,transparent 22%,rgba(0,0,0,.55) 48%,#000 100%);
  mask-image:linear-gradient(100deg,transparent 0%,transparent 22%,rgba(0,0,0,.55) 48%,#000 100%);
}
.message .container{position:relative;z-index:1}
.msg-wrap{
  position:relative;display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(40px,5vw,88px);align-items:center;
}

/* 左侧文案 */
.msg-eyebrow{
  display:flex;align-items:center;gap:16px;font-style:normal;
  font-size:12px;letter-spacing:.5em;text-indent:.5em;color:var(--red);font-weight:600;
}
.msg-eyebrow::after{
  content:"";flex:1;max-width:110px;height:1px;
  background:linear-gradient(90deg,rgba(165,34,38,.55),transparent);
}
.msg-intro h2{
  font-family:var(--font-serif);font-weight:900;color:var(--ink);
  font-size:clamp(32px,4.2vw,50px);letter-spacing:.1em;line-height:1.24;
  margin:16px 0 0;
}
.msg-intro h2 span{
  display:block;font-family:var(--font-cn);font-size:14px;font-weight:600;
  letter-spacing:.26em;color:var(--red);margin-top:14px;
}
.msg-lede{
  color:var(--ink-soft);font-size:15.5px;line-height:2;
  margin:22px 0 32px;max-width:31em;
}
.msg-points{display:grid;margin-bottom:32px}
.msg-points li{
  display:grid;grid-template-columns:auto 1fr;gap:0 18px;align-items:baseline;
  padding:15px 0;border-bottom:1px solid rgba(28,19,16,.09);
}
.msg-points li:first-child{border-top:1px solid rgba(28,19,16,.09)}
.msg-points i{
  grid-row:span 2;font-style:normal;font-family:Georgia,"Times New Roman",serif;
  font-size:13px;color:var(--gold);letter-spacing:.06em;
}
.msg-points b{font-size:16px;font-weight:700;letter-spacing:.12em;color:var(--ink)}
.msg-points span{font-size:13.5px;color:#8B7F76;line-height:1.95}
.msg-tel{font-size:14px;color:var(--ink-soft);letter-spacing:.05em}
.msg-tel a{
  color:var(--red);font-weight:700;padding-bottom:1px;
  border-bottom:1px solid rgba(165,34,38,.32);transition:color .3s,border-color .3s;
}
.msg-tel a:hover{color:var(--red-deep);border-color:var(--red-deep)}

/* 表单卡片 */
.msg-form{
  position:relative;background:#fff;border-radius:24px;isolation:isolate;
  padding:clamp(26px,3.2vw,44px);
  border:1px solid rgba(210,164,91,.36);
  box-shadow:0 34px 78px -30px rgba(60,28,20,.42),0 1px 0 rgba(255,255,255,.9) inset;
}
.msg-form::before{
  content:"";position:absolute;inset:9px;border-radius:18px;pointer-events:none;
  border:1px solid rgba(210,164,91,.22);
}
.msg-form::after{
  content:"";position:absolute;top:0;left:clamp(26px,3.2vw,44px);right:clamp(26px,3.2vw,44px);
  height:3px;border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--red),var(--gold) 55%,transparent);
}
.msg-form-head{position:relative;z-index:1;margin-bottom:24px}
.msg-form-head h3{
  font-family:var(--font-serif);font-size:22px;font-weight:900;
  letter-spacing:.16em;color:var(--ink);
}
.msg-form-head p{font-size:12.5px;color:#9A8D82;letter-spacing:.06em;margin-top:6px}

.field{position:relative;margin-bottom:16px}
.field label{
  display:block;font-size:12px;font-weight:700;letter-spacing:.22em;
  color:#7C6E64;margin-bottom:8px;
}
.field label i{font-style:normal;color:var(--red);margin-left:3px}
.field input{
  width:100%;height:54px;padding:0 18px;border-radius:12px;
  border:1px solid #E5D9C8;background:#FCF8F2;color:var(--ink);
  font-family:inherit;font-size:15.5px;letter-spacing:.04em;outline:none;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.field input::placeholder{color:#B9AA9B;letter-spacing:.02em}
.field input:hover{border-color:#D8C6AC}
.field input:focus{
  border-color:var(--gold);background:#fff;
  box-shadow:0 0 0 4px rgba(210,164,91,.17);
}
.field-err{
  display:none;font-size:12px;color:#C0392B;letter-spacing:.04em;margin-top:6px;
}
.field.err input{
  border-color:#C0392B;background:#FFF8F6;
  box-shadow:0 0 0 4px rgba(165,34,38,.1);
  animation:fieldShake .42s var(--ease);
}
.field.err .field-err{display:block}
@keyframes fieldShake{
  0%,100%{transform:translateX(0)}
  24%{transform:translateX(-5px)}
  52%{transform:translateX(4px)}
  78%{transform:translateX(-2px)}
}

/* 验证码 */
.code-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
.field-code input{letter-spacing:.28em;text-transform:uppercase;font-weight:700}
.field-code input::placeholder{letter-spacing:0;font-weight:400;text-transform:none}
.code-img{
  position:relative;width:132px;height:54px;flex:none;
  border-radius:12px;overflow:hidden;padding:0;
  border:1px solid #E5D9C8;background:#FBF3E7;
  box-shadow:0 2px 0 rgba(210,164,91,.12) inset;
  transition:border-color .3s,box-shadow .3s,transform .3s var(--ease);
}
.code-img:hover{border-color:var(--gold);box-shadow:0 0 0 4px rgba(210,164,91,.16)}
.code-img:active{transform:scale(.98)}
.code-img canvas{display:block;width:100%;height:100%}
.code-refresh{
  position:absolute;right:5px;bottom:4px;display:flex;color:rgba(90,70,58,.55);
  opacity:0;transform:rotate(-25deg);transition:opacity .3s,transform .4s var(--ease);
}
.code-img:hover .code-refresh{opacity:1;transform:rotate(0)}

.msg-submit{
  width:100%;height:56px;margin-top:8px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;gap:12px;
  background:linear-gradient(135deg,#B82A2F,var(--red-deep));color:#fff;
  font-size:16px;font-weight:700;letter-spacing:.24em;text-indent:.24em;
  box-shadow:0 16px 32px -12px rgba(126,21,24,.62),0 1px 0 rgba(255,255,255,.2) inset;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.msg-submit svg{transition:transform .4s var(--ease)}
.msg-submit:hover{
  transform:translateY(-2px);
  box-shadow:0 22px 42px -12px rgba(126,21,24,.72),0 1px 0 rgba(255,255,255,.26) inset;
}
.msg-submit:hover svg{transform:translateX(4px)}
.msg-submit:active{transform:translateY(0) scale(.994)}
.msg-privacy{
  margin-top:14px;text-align:center;font-size:12px;line-height:1.85;
  color:#A79889;letter-spacing:.04em;
}

/* 成功态 */
.msg-done{
  position:absolute;inset:0;z-index:5;border-radius:24px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 30px;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .45s var(--ease),visibility .45s;
}
.msg-form.sent .msg-done{opacity:1;visibility:visible}
.msg-done .tick{
  width:64px;height:64px;border-radius:50%;color:#fff;margin-bottom:20px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#B82A2F,var(--red-deep));
  box-shadow:0 14px 30px -10px rgba(126,21,24,.6),0 0 0 8px rgba(165,34,38,.07);
}
.msg-done h4{
  font-family:var(--font-serif);font-size:22px;font-weight:900;
  letter-spacing:.14em;color:var(--ink);
}
.msg-done p{font-size:13.5px;color:#8B7F76;line-height:2;margin-top:10px}
.msg-done button{
  margin-top:22px;font-size:13px;font-weight:700;color:var(--red);
  letter-spacing:.14em;padding-bottom:3px;
  border-bottom:1px solid rgba(165,34,38,.35);transition:color .3s,border-color .3s;
}
.msg-done button:hover{color:var(--red-deep);border-color:var(--red-deep)}

/* ============================================================
   合作热线 CTA
   ============================================================ */
.cta{position:relative;padding:130px 0;text-align:center;overflow:hidden}
.cta-bg{
  position:absolute;inset:0;
  background:url("../img/6aa8f5025534a.jpg") center/cover no-repeat;
  transform:scale(1.04);
}
.cta-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,6,6,.82),rgba(74,14,16,.86));
}
.cta-inner{position:relative;z-index:2;color:#fff}
.cta-inner em{
  font-style:normal;letter-spacing:.5em;text-indent:.5em;
  font-size:12px;color:var(--gold);
}
.cta-inner h2{
  font-family:var(--font-serif);font-size:clamp(30px,4.4vw,52px);
  font-weight:900;letter-spacing:.24em;margin:18px 0 10px;
}
.cta-tel a{
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(34px,5vw,58px);font-weight:700;color:var(--gold);
  letter-spacing:.04em;transition:color .3s;
}
.cta-tel a:hover{color:#fff}
.cta-sub{
  color:rgba(255,255,255,.78);font-size:14px;letter-spacing:.1em;
  line-height:2.1;margin:14px 0 40px;
}
.qr-row{display:flex;gap:44px;justify-content:center;flex-wrap:wrap}
.qr-row figure{
  background:rgba(255,255,255,.94);border-radius:14px;padding:14px 14px 10px;
  width:150px;box-shadow:0 14px 40px rgba(0,0,0,.35);
  transition:transform .4s var(--ease);
}
.qr-row figure:hover{transform:translateY(-6px)}
.qr-row img{width:100%;border-radius:8px}
.qr-row figcaption{
  text-align:center;font-size:12px;color:var(--red-deep);
  padding-top:8px;letter-spacing:.1em;font-weight:600;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:#230B0C;color:rgba(255,255,255,.72)}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:44px;
  padding:72px 0 52px;
}
.f-logo{height:44px;width:auto;margin-bottom:18px}
.f-brand p,.f-contact p,.f-note p{font-size:13.5px;line-height:2.15}
.site-footer h4{
  color:#fff;font-size:16px;letter-spacing:.2em;margin-bottom:16px;
  font-weight:700;position:relative;padding-bottom:12px;
}
.site-footer h4::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:var(--gold);border-radius:2px;
}
.f-nav a{
  display:inline-block;margin:0 14px 10px 0;font-size:13.5px;
  color:rgba(255,255,255,.72);transition:color .3s;
}
.f-nav a:hover{color:var(--gold)}
.copyright{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  font-size:12.5px;text-align:center;color:rgba(255,255,255,.5);letter-spacing:.06em;
}
.copyright a{color:rgba(255,255,255,.5);border-bottom:1px solid rgba(255,255,255,.2)}
.copyright a:hover{color:var(--gold)}

/* 移动端底栏 */
.mobile-bar{display:none}

/* 返回顶部 */
.back-top{
  position:fixed;right:26px;bottom:44px;z-index:920;
  width:46px;height:46px;border-radius:50%;
  background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px rgba(165,34,38,.4);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:all .4s var(--ease);
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{background:var(--red-deep)}

/* Toast */
.toast{
  position:fixed;top:100px;left:50%;transform:translateX(-50%) translateY(-16px);
  background:rgba(28,19,16,.92);color:#fff;padding:13px 30px;border-radius:999px;
  font-size:14px;letter-spacing:.08em;z-index:2000;
  opacity:0;pointer-events:none;transition:all .4s var(--ease);
  box-shadow:0 16px 40px rgba(0,0,0,.3);border:1px solid rgba(210,164,91,.4);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============================================================
   右侧悬浮联系栏
   ============================================================ */
.side-rail{
  position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:950;
  display:flex;flex-direction:column;gap:16px;
}
.rail-item{position:relative}

/* 圆形徽标按钮 */
.rail-btn{
  position:relative;width:62px;height:62px;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:#fff;
  background:linear-gradient(150deg,#C42A2F 0%,#A52226 45%,#7E1518 100%);
  box-shadow:
    0 12px 28px rgba(126,21,24,.42),
    0 4px 10px rgba(20,6,6,.22),
    inset 0 0 0 1.5px rgba(226,187,124,.6),
    inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .4s var(--ease);
}
.rail-btn::before{
  content:"";position:absolute;inset:-5px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,42,47,.35),transparent 70%);
  opacity:0;transition:opacity .4s;
}
.rail-btn svg{
  width:23px;height:23px;position:relative;z-index:2;
  filter:drop-shadow(0 1px 2px rgba(80,8,10,.35));
  transition:transform .4s var(--ease);
}
.rail-label{
  position:relative;z-index:2;
  font-size:10px;letter-spacing:.1em;text-indent:.1em;line-height:1;
  color:rgba(255,255,255,.9);font-weight:600;
  transition:color .35s;
}
/* 微脉冲光环（微信） */
.rail-wechat .rail-btn::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:1.5px solid rgba(226,187,124,.75);
  animation:railPing 3.2s cubic-bezier(.25,.6,.35,1) infinite;
  pointer-events:none;
}
@keyframes railPing{
  0%{transform:scale(1);opacity:.7}
  65%{transform:scale(1.42);opacity:0}
  100%{transform:scale(1.42);opacity:0}
}
.rail-item:hover .rail-btn,
.rail-item:focus-within .rail-btn{
  transform:translateX(-4px) scale(1.05);
  background:linear-gradient(150deg,#D4383D 0%,#B4282C 45%,#8C1A1D 100%);
  box-shadow:
    0 16px 38px rgba(165,34,38,.55),
    0 0 0 3px rgba(226,187,124,.28),
    inset 0 0 0 1.5px rgba(232,196,138,.9),
    inset 0 1px 0 rgba(255,255,255,.3);
}
.rail-item:hover .rail-btn::before,
.rail-item:focus-within .rail-btn::before{opacity:1}
.rail-item:hover .rail-btn svg,
.rail-item:focus-within .rail-btn svg{transform:scale(1.1)}
.rail-item:hover .rail-label{color:#F4D9A6}

/* 弹出层 */
.rail-pop{
  position:absolute;right:calc(100% + 20px);top:50%;
  transform:translateY(-50%) translateX(10px) scale(.97);
  transform-origin:right center;
  width:236px;padding:18px 18px 16px;border-radius:16px;
  background:linear-gradient(160deg,#FFFDF9 0%,#F6EDE0 100%);
  border:1px solid rgba(210,164,91,.4);
  box-shadow:0 26px 60px rgba(20,6,6,.34),0 2px 0 rgba(255,255,255,.9) inset;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .32s var(--ease),transform .32s var(--ease),visibility .32s;
  text-align:center;
}
.rail-item:hover .rail-pop,
.rail-item:focus-within .rail-pop{
  opacity:1;visibility:visible;pointer-events:auto;
  transform:translateY(-50%) translateX(0) scale(1);
}
.pop-title{
  font-size:13px;font-weight:700;color:var(--red-deep);
  letter-spacing:.16em;margin-bottom:12px;position:relative;padding-bottom:10px;
}
.pop-title::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:26px;height:2px;background:var(--gold);border-radius:2px;
}
.pop-qr{
  padding:8px;background:#fff;border-radius:10px;
  box-shadow:0 8px 22px rgba(28,19,16,.12);
}
.pop-qr img{width:100%;border-radius:6px;display:block}
.pop-note{font-size:11.5px;color:#9C8E82;letter-spacing:.06em;margin-top:10px}
.pop-tel{
  display:block;font-family:Georgia,"Times New Roman",serif;
  font-size:23px;font-weight:700;color:var(--red);letter-spacing:.01em;
  line-height:1.3;transition:color .3s;
}
.pop-tel:hover{color:var(--red-deep)}
.pop-sub{font-size:13px;color:var(--ink-soft);letter-spacing:.06em;margin-top:2px}
.pop-sub a{color:var(--ink);font-family:Georgia,serif;font-weight:600}
.pop-sub a:hover{color:var(--red)}
.pop-arrow{
  position:absolute;right:-7px;top:50%;width:12px;height:12px;
  transform:translateY(-50%) rotate(45deg);
  background:#F7EFE3;border-right:1px solid rgba(210,164,91,.4);
  border-bottom:1px solid rgba(210,164,91,.4);
}

/* ============================================================
   入场动画
   ============================================================ */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-bg{animation:none}
}

/* ============================================================
   响应式
   ============================================================ */
/* 8 个栏目在 1400 以下逐级收窄，保证单行不折 */
@media (max-width:1360px){
  .main-nav a{font-size:15px;letter-spacing:.1em}
  .main-nav ul{gap:14px}
  .tel-pill{padding:8px 15px}
  .tel-pill span{font-size:14px}
  .header-inner{gap:24px}
}

/* 窄桌面隐藏悬浮栏，避免压住内容 */
@media (max-width:1279px){
  .side-rail{display:none}
}

@media (max-width:1180px){
  .main-nav a{font-size:14px;letter-spacing:.06em;padding:10px 2px}
  .main-nav ul{gap:10px}
  .main-nav a i{letter-spacing:.16em}
  .tel-pill{padding:8px 14px;gap:8px}
  .tel-pill span{font-size:13.5px}
  .tel-pill small{display:none}
  .header-inner{gap:22px}
  .strength-grid{grid-template-columns:repeat(2,1fr)}
  .support-grid{grid-template-columns:repeat(2,1fr)}
  .dish-grid{grid-template-columns:repeat(3,1fr)}
}

@media (max-width:900px){
  .section{padding:80px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 40px}
  .side-rail{display:none}
  .msg-wrap{grid-template-columns:1fr;gap:0}
  .msg-intro{display:none}
  .msg-form{max-width:600px;width:100%;margin:0 auto}
  .msg-bg{
    background-position:center 40%;opacity:.62;
    -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.28) 45%,rgba(0,0,0,.8) 100%);
    mask-image:linear-gradient(180deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.28) 45%,rgba(0,0,0,.8) 100%);
  }
}

@media (max-width:760px){
  :root{--header-h:60px}
  .main-nav{display:none}
  .tel-pill{display:none}
  .hamburger{display:flex}
  .logo img{height:38px}

  .hero{min-height:560px}
  .hero-sub br{display:none}
  .hero-btns .btn{padding:12px 30px;font-size:14px}

  .stats-grid{grid-template-columns:repeat(2,1fr);transform:translateY(-40px)}
  .stat{padding:28px 8px}
  .stat:nth-child(3)::before{display:none}
  .stat strong{font-size:32px}

  .sec-head{margin-bottom:44px}
  .sec-head em{letter-spacing:.32em;text-indent:.32em}

  .custom-grid{grid-template-columns:1fr}
  .custom-card{min-height:380px}
  .custom-card-inner{padding:32px 28px}

  .strength-grid{grid-template-columns:1fr}
  .strength-card{min-height:420px}
  .sc-body{padding:26px 24px}

  .support-grid{grid-template-columns:1fr}
  .support-card{padding:26px 22px}

  .dish-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .dish-name{
    font-size:16px;padding:12px 14px 10px;
    flex-direction:row-reverse;justify-content:flex-start;
  }
  .pots-grid{grid-template-columns:1fr}
  .pot-name{font-size:19px}

  .footer-grid{grid-template-columns:1fr;gap:30px}

  .msg-intro h2 span{font-size:13px;letter-spacing:.18em}
  .msg-lede{font-size:14.5px;margin:18px 0 26px}
  .msg-points{margin-bottom:26px}
  .msg-points li{padding:13px 0;gap:0 14px}
  .msg-points b{font-size:15px}
  .msg-points span{font-size:13px}
  .msg-form{padding:26px 22px;border-radius:20px}
  .msg-form::before{inset:7px;border-radius:15px}
  .msg-form-head{margin-bottom:20px}
  .field input{height:52px;font-size:16px}
  .code-img{width:118px;height:52px}
  .code-row{gap:10px}
  .msg-submit{height:54px;font-size:15.5px}
  .msg-done{border-radius:20px;padding:32px 24px}
  .msg-done h4{font-size:20px}

  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:940;
    background:#fff;box-shadow:0 -6px 24px rgba(28,19,16,.14);
  }
  .mobile-bar a{
    flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
    padding:15px 0;font-size:15px;font-weight:600;letter-spacing:.1em;
  }
  .mobile-bar a:first-child{color:var(--red-deep);border-right:1px solid #EADFD0}
  .mobile-bar a:last-child{background:var(--red);color:#fff}
  .back-top{bottom:86px;right:16px;width:42px;height:42px}
  body{padding-bottom:0}
}

@media (max-width:420px){
  .tl-card{flex-basis:94%}
  .hero-logo{width:92vw}
  .qr-row{gap:20px}
}