/* ============================================================
   羌枣大叔 · 一颗羌�?一味自�?   官网样式�? �? 红枣�?+ 楼兰鎏金 + 戈壁暖米
   ============================================================ */

:root {
  --red-deep:    #8E1623;   /* 深枣�?*/
  --red:         #B11E2F;   /* 主红 */
  --red-bright:  #D6344A;   /* 亮红 */
  --gold:        #D4A24E;   /* 楼兰鎏金 */
  --gold-soft:   #E8C98A;   /* 浅金 */
  --cream:       #FBF3E8;   /* 暖米�?*/
  --cream-2:     #F3E4CE;   /* 次级�?*/
  --sand:        #E7C9A0;   /* 戈壁�?*/
  --ink:         #3A1E16;   /* 深褐�?*/
  --ink-soft:    #6E4A3C;   /* 浅褐�?*/
  --white:       #FFFDF9;
  --shadow:      0 18px 50px rgba(120, 25, 30, .18);
  --radius:      18px;
  --maxw:        1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; width: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Source Han Sans CN", "Noto Sans SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.85;
  overflow-x: hidden;
  width: 100%;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap { width: 92%; max-width: var(--maxw); margin-inline: auto; }

/* ---------- 装饰：楼兰拱门纹�?---------- */
.loulan-arch {
  position: absolute; inset: 0; pointer-events: none; opacity: .07;
  background-image:
    radial-gradient(circle at 50% -10%, var(--gold) 0 1px, transparent 1px),
    repeating-linear-gradient(90deg, transparent 0 78px, var(--gold) 78px 80px);
}

/* ============================================================
   顶部导航
   ============================================================ */
header.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 54px);
  background: rgba(142, 22, 35, 0);
  transition: background .4s ease, padding .4s ease, box-shadow .4s ease;
}
header.nav.scrolled {
  background: rgba(142, 22, 35, .96);
  padding-top: 12px; padding-bottom: 12px;
  box-shadow: 0 6px 24px rgba(60, 8, 12, .35);
}
.brand-logo { display: flex; align-items: center; gap: 12px; color: var(--white); }
.brand-logo .seal {
  width: 46px; height: 46px; flex: 0 0 46px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--red-bright), var(--red-deep));
  display: grid; place-items: center;
  font-weight: 800; font-size: 22px; color: var(--gold-soft);
  box-shadow: inset 0 0 0 2px rgba(232,201,138,.5);
}
.brand-logo .name { line-height: 1.15; }
.brand-logo .name b { font-size: 20px; letter-spacing: 2px; }
.brand-logo .name span {
  display: block; font-size: 11px; letter-spacing: 3px;
  color: var(--gold-soft); opacity: .9;
}
nav.links { display: flex; gap: clamp(14px, 2.4vw, 34px); }
nav.links a {
  color: var(--white); font-size: 15px; letter-spacing: 1px;
  position: relative; padding: 4px 0; opacity: .92;
}
nav.links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--gold);
  transition: width .3s ease;
}
nav.links a:hover { opacity: 1; }
nav.links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--gold); color: var(--red-deep) !important;
  padding: 9px 20px !important; border-radius: 999px; font-weight: 700;
  max-width: 100px; white-space: nowrap;
}
.nav-cta::after { display: none; }
.nav-toggle { display: none; background: none; border: 0; color: var(--white); font-size: 26px; cursor: pointer; padding: 8px; }

/* ============================================================
   首屏 HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: var(--white); overflow: hidden;
  background:
    linear-gradient(180deg, #5b0f16 0%, #8E1623 38%, #B11E2F 70%, #7a1320 100%);
}
.hero .sky {
  position: absolute; inset: 0; overflow: hidden;
  background:
    radial-gradient(120% 80% at 78% 18%, rgba(232,201,138,.25) 0%, transparent 42%),
    radial-gradient(90% 60% at 18% 8%, rgba(214,52,74,.35) 0%, transparent 50%),
    radial-gradient(60% 50% at 50% 120%, #5b0f16 0%, transparent 60%);
}
/* 大漠落日 - 柔和效果 */
.sun {
  position: absolute; top: 12%; right: 12%; width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,228,160,.8) 0%, rgba(221,160,64,.5) 35%, rgba(200,140,50,.2) 55%, transparent 72%);
  filter: blur(4px);
  opacity: 0.75;
}
.hero svg.dunes { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 42vh; display: block; }
.hero .stars { position: absolute; inset: 0; opacity: .5;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, #fff8e6 50%, transparent),
    radial-gradient(1.5px 1.5px at 32% 9%, #fff8e6 50%, transparent),
    radial-gradient(1px 1px at 56% 22%, #fff8e6 50%, transparent),
    radial-gradient(1.5px 1.5px at 72% 12%, #fff8e6 50%, transparent),
    radial-gradient(1px 1px at 88% 26%, #fff8e6 50%, transparent),
    radial-gradient(1px 1px at 44% 30%, #fff8e6 50%, transparent);
}
.hero-inner { position: relative; z-index: 3; width: min(92%, var(--maxw)); margin-inline: auto;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,253,249,.14); border: 1px solid rgba(232,201,138,.5);
  padding: 7px 16px; border-radius: 999px; font-size: 13px; letter-spacing: 2px;
  color: var(--gold-soft); margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 76px); line-height: 1.08; letter-spacing: 4px;
  font-weight: 800; margin-bottom: 8px;
  text-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.hero h1 .accent {
  background: linear-gradient(180deg, #ffe7b0, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  white-space: nowrap;
  letter-spacing: 2px;
}
.hero .slogan {
  font-size: clamp(18px, 2.4vw, 26px); letter-spacing: 8px;
  color: var(--gold-soft); margin: 14px 0 22px; font-weight: 600;
}
.hero p.lead { font-size: 16px; color: #ffe9d6; max-width: 540px; opacity: .95; }
.hero .actions { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 999px; font-weight: 700; letter-spacing: 1px;
  font-size: 15px; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease;
}
.btn-primary { background: var(--gold); color: var(--red-deep); box-shadow: 0 10px 26px rgba(212,162,78,.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(212,162,78,.55); }
.btn-ghost { background: rgba(255,253,249,.1); color: var(--white); border: 1px solid rgba(255,253,249,.4); }
.btn-ghost:hover { transform: translateY(-3px); background: rgba(255,253,249,.2); }

/* 楼兰美女 + 灰枣 插画卡片 */
.hero-art {
  position: relative; justify-self: center;
  width: clamp(260px, 30vw, 380px); aspect-ratio: 3/4;
  border-radius: 200px 200px 26px 26px;
  background: linear-gradient(180deg, rgba(255,231,176,.18), rgba(142,22,35,.35));
  border: 2px solid rgba(232,201,138,.55);
  box-shadow: var(--shadow), inset 0 0 60px rgba(0,0,0,.2);
  backdrop-filter: blur(2px);
  overflow: hidden;
}
.hero-art > svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }

/* 滚动提示 */
.scroll-hint {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 4; color: var(--gold-soft); font-size: 12px; letter-spacing: 3px; text-align: center;
}
.scroll-hint .mouse {
  width: 22px; height: 36px; border: 2px solid var(--gold-soft); border-radius: 14px;
  margin: 0 auto 8px; position: relative;
}
.scroll-hint .mouse::after {
  content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 7px; background: var(--gold-soft); border-radius: 3px;
  animation: wheel 1.6s infinite;
}
@keyframes wheel { 0%{opacity:0;top:7px} 40%{opacity:1} 100%{opacity:0;top:18px} }

/* ============================================================
   通用区块
   ============================================================ */
section { position: relative; padding: clamp(64px, 9vw, 120px) 0; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.sec-kicker {
  display: inline-block; color: var(--red); font-size: 14px; letter-spacing: 4px;
  font-weight: 700; margin-bottom: 12px; position: relative;
}
.sec-kicker::before, .sec-kicker::after {
  content: ""; position: absolute; top: 50%; width: 30px; height: 1px; background: var(--gold);
}
.sec-kicker::before { right: calc(100% + 12px); }
.sec-kicker::after { left: calc(100% + 12px); }
.sec-head h2 {
  font-size: clamp(24px, 3.5vw, 40px); letter-spacing: 2px; color: var(--red-deep); line-height: 1.3;
  white-space: normal;
  text-align: center;
}
.sec-head p { margin-top: 16px; color: var(--ink-soft); font-size: 16px; white-space: nowrap; }

/* 楼兰纹样分隔 */
.divider { display: block; width: 100%; height: 60px; color: var(--gold); }

/* ============================================================
   品牌故事
   ============================================================ */
.story { background:
  radial-gradient(120% 100% at 100% 0%, rgba(212,162,78,.12), transparent 50%),
  var(--cream); }
.story-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(40px, 6vw, 80px); align-items: center;
}
.story-text { display: flex; flex-direction: column; gap: 24px; }
.story-intro .lead-text {
  font-size: 20px;
  color: var(--red-deep);
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 12px;
}
.story-intro .lead-text strong {
  color: var(--red);
  font-weight: 700;
}
.story-intro p { margin-bottom: 12px; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.story-text .hl { color: var(--red); font-weight: 700; }

/* 品牌亮点 */
.story-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  border: 1px solid var(--cream-2);
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.hi-icon {
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--red-deep), var(--red));
  border-radius: 10px;
}
.highlight-item div {
  display: flex;
  flex-direction: column;
}
.highlight-item strong {
  font-size: 15px;
  color: var(--red-deep);
  font-weight: 700;
}
.highlight-item span {
  font-size: 13px;
  color: var(--ink-soft);
}

.story-figure {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  max-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(232,201,138,.15);
}
.story-img {
  max-width: 100%;
  max-height: 520px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.story-stats { display: flex; gap: 14px; margin-top: 10px; flex-wrap: wrap; }
.stat { flex: 1 1 100px; background: var(--white); border: 1px solid var(--cream-2);
  border-radius: 12px; padding: 16px 12px; text-align: center; }
.stat { flex: 1 1 120px; background: var(--white); border: 1px solid var(--cream-2);
  border-radius: 14px; padding: 18px; text-align: center; }
.stat b { display: block; font-size: 30px; color: var(--red); font-weight: 800; line-height: 1; }
.stat span { font-size: 13px; color: var(--ink-soft); }

/* ============================================================
   产地溯源
   ============================================================ */
.origin { background: linear-gradient(180deg, #2c0c0f, #5b0f16); color: var(--white); }
.origin .sec-head h2, .origin .sec-kicker { color: var(--gold-soft); }
.origin .sec-kicker { color: var(--gold-soft); }
.origin .sec-head p { color: #f0d3c4; }
.origin-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.origin-card {
  background: rgba(255,253,249,.07); border: 1px solid rgba(232,201,138,.28);
  border-radius: var(--radius); padding: 30px 24px; transition: transform .3s, background .3s;
}
.origin-card:hover { transform: translateY(-6px); background: rgba(255,253,249,.12); }
.origin-card .ico { width: 56px; height: 56px; margin-bottom: 16px; color: var(--gold); }
.origin-card h3 { font-size: 20px; letter-spacing: 1px; margin-bottom: 10px; color: var(--gold-soft); }
.origin-card p { font-size: 14.5px; color: #f3ddcf; }

/* ============================================================
   工艺时间�?   ============================================================ */
.craft { background: var(--cream); }
.timeline { position: relative; max-width: 920px; margin: 0 auto; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(var(--gold), var(--red)); transform: translateX(-50%);
}
.tl-item { position: relative; width: 50%; padding: 0 44px 46px; }
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; }
.tl-dot {
  position: absolute; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--gold); border: 4px solid var(--cream); box-shadow: 0 0 0 3px var(--red);
}
.tl-item:nth-child(odd) .tl-dot { right: -10px; }
.tl-item:nth-child(even) .tl-dot { left: -10px; }
.tl-card {
  background: var(--white); border: 1px solid var(--cream-2); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: 0 10px 30px rgba(142,22,35,.08);
}
.tl-card .step { color: var(--red); font-weight: 800; font-size: 13px; letter-spacing: 2px; }
.tl-card h3 { font-size: 19px; margin: 6px 0 8px; color: var(--red-deep); }
.tl-card p { font-size: 14.5px; color: var(--ink-soft); }

/* ============================================================
   品质特点
   ============================================================ */
.quality { background: linear-gradient(180deg, #fbeede, #f3e4ce); }
.quality-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 22px; }
.quality-card {
  background: var(--white); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: 0 12px 34px rgba(142,22,35,.1); position: relative; overflow: hidden;
  border-top: 4px solid var(--red);
}
.quality-card::after {
  content: "�?; position: absolute; right: -10px; bottom: -24px; font-size: 120px;
  color: rgba(177,30,47,.06); font-weight: 800;
}
.quality-card .qico { width: 50px; height: 50px; color: var(--red); margin-bottom: 14px; }
.quality-card h3 { font-size: 20px; color: var(--red-deep); margin-bottom: 8px; letter-spacing: 1px; }
.quality-card p { font-size: 14.5px; color: var(--ink-soft); }
.quality-card b { color: var(--red); }

/* ============================================================
   营养价�?   ============================================================ */
.nutri { background: linear-gradient(180deg,#5b0f16,#8E1623); color: var(--white); }
.nutri .sec-head h2 { color: var(--gold-soft); white-space: nowrap; }
.nutri .sec-head p { color: #f0d3c4; white-space: nowrap; }
.nutri-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 20px; }
.nutri-card {
  text-align: center; background: rgba(255,253,249,.07);
  border: 1px solid rgba(232,201,138,.3); border-radius: var(--radius); padding: 30px 18px;
}
.nutri-card .big { font-size: 40px; font-weight: 800; color: var(--gold); line-height: 1; }
.nutri-card .big small { font-size: 16px; color: var(--gold-soft); }
.nutri-card h4 { margin: 12px 0 6px; font-size: 17px; letter-spacing: 1px; }
.nutri-card p { font-size: 13.5px; color: #f0d3c4; }
.nutri-note { margin-top: 34px; text-align: center; color: #f3ddcf; font-size: 15px; }
.nutri-note b { color: var(--gold-soft); }
.nutri-label { margin-top: 38px; display: grid; place-items: center; gap: 12px; }
.nutri-label img {
  width: min(440px, 92%); background: var(--white); padding: 12px; border-radius: 14px;
  border: 1px solid rgba(232,201,138,.45); box-shadow: 0 16px 44px rgba(0,0,0,.4);
}
.nutri-label figcaption { color: var(--gold-soft); font-size: 14px; letter-spacing: 3px; }

/* ============================================================
   食用场景
   ============================================================ */
.usage { background: var(--cream); }
.usage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 22px; }
.usage-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--white); box-shadow: 0 12px 30px rgba(142,22,35,.1);
  transition: transform .3s ease;
}
.usage-card:hover { transform: translateY(-6px); }
.usage-card .thumb { height: 150px; display: grid; place-items: center; color: var(--white); }
.usage-card:nth-child(1) .thumb { background: linear-gradient(150deg,#B11E2F,#8E1623); }
.usage-card:nth-child(2) .thumb { background: linear-gradient(150deg,#D4A24E,#a9781f); }
.usage-card:nth-child(3) .thumb { background: linear-gradient(150deg,#c0392b,#7a1320); }
.usage-card:nth-child(4) .thumb { background: linear-gradient(150deg,#a9781f,#8E1623); }
.usage-card .thumb svg { width: 64px; height: 64px; }
.usage-card .body { padding: 20px 22px 26px; }
.usage-card h3 { font-size: 19px; color: var(--red-deep); margin-bottom: 8px; }
.usage-card p { font-size: 14.5px; color: var(--ink-soft); }

/* ============================================================
   礼遇甄�?/ 产品
   ============================================================ */
.gift { background: radial-gradient(120% 100% at 0% 0%, rgba(212,162,78,.14), transparent 50%), var(--cream); }
.gift-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 26px; }
.gift-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--cream-2);
  transition: transform .3s ease;
}
.gift-card:hover { transform: translateY(-8px); }
.gift-card .top {
  height: 230px; display: grid; place-items: center; position: relative;
  background: linear-gradient(160deg, var(--white), var(--cream-2));
  border-bottom: 4px solid var(--gold);
}
.gift-card .top img {
  width: 100%; height: 100%; object-fit: contain; padding: 18px;
  transition: transform .4s ease;
}
.gift-card:hover .top img { transform: scale(1.06); }
.gift-card .price-tag {
  position: absolute; top: 16px; right: 16px; background: var(--gold); color: var(--red-deep);
  font-weight: 800; padding: 6px 14px; border-radius: 999px; font-size: 14px;
}
.gift-card .info { padding: 22px 24px 26px; }
.gift-card .info h3 { font-size: 20px; color: var(--red-deep); }
.gift-card .info .spec { color: var(--ink-soft); font-size: 14px; margin: 6px 0 14px; }
.gift-card .info .buy {
  display: inline-block; background: var(--red); color: var(--white);
  padding: 10px 22px; border-radius: 999px; font-weight: 700; font-size: 14px;
}
.gift-card .info .buy:hover { background: var(--red-deep); }

/* ============================================================
   联系 / 留言
   ============================================================ */
.contact { background: linear-gradient(180deg,#8E1623,#5b0f16); color: var(--white); }
.contact .sec-head h2 { color: var(--gold-soft); }
.contact .sec-head p { color: #f0d3c4; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info h3 { color: var(--gold-soft); font-size: 22px; margin-bottom: 18px; letter-spacing: 1px; }
.contact-info .row { display: flex; gap: 14px; margin-bottom: 16px; align-items: flex-start; }
.contact-info .row .ci { width: 38px; height: 38px; flex: 0 0 38px; color: var(--gold); }
.contact-info .row b { display: block; font-size: 15px; }
.contact-info .row span { font-size: 14px; color: #f0d3c4; }
.contact-form {
  background: rgba(255,253,249,.08); border: 1px solid rgba(232,201,138,.3);
  border-radius: var(--radius); padding: 30px;
}
.contact-form label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--gold-soft); }
.contact-form input, .contact-form textarea {
  width: 100%; background: rgba(255,253,249,.1); border: 1px solid rgba(232,201,138,.35);
  border-radius: 10px; padding: 12px 14px; color: var(--white); font-size: 15px;
  font-family: inherit; margin-bottom: 18px; outline: none; transition: border .25s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--gold); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,233,214,.5); }
.contact-form button {
  width: 100%; background: var(--gold); color: var(--red-deep); border: 0;
  padding: 14px; border-radius: 999px; font-weight: 800; font-size: 16px; cursor: pointer;
  letter-spacing: 2px; transition: transform .2s;
}
.contact-form button:hover { transform: translateY(-2px); }
.form-ok { background: rgba(212,162,78,.2); border: 1px solid var(--gold);
  color: var(--gold-soft); padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }

/* 联系我们二维码 */
.contact-qrcodes { 
  margin-top: 30px; padding-top: 24px; 
  border-top: 1px solid rgba(232,201,138,.3);
  overflow: visible; padding-bottom: 80px; /* 给放大后的二维码预留空间 */
}
.contact-qrcodes h4 { color: var(--gold-soft); font-size: 16px; margin-bottom: 16px; letter-spacing: 1px; }
.contact-qrcodes .qr-grid { 
  display: flex; gap: 24px; flex-wrap: wrap;
  padding: 10px 0;
}
.contact-qrcodes .qr-item { 
  text-align: center; 
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition: z-index 0s 0.3s;
}
.contact-qrcodes .qr-item:hover { 
  z-index: 10;
  transition: z-index 0s;
}
.contact-qrcodes .qr-item img { 
  width: 100px; height: 100px; object-fit: contain; 
  border-radius: 8px; border: 2px solid rgba(232,201,138,.3); 
  background: var(--white); padding: 6px;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), 
              box-shadow .35s ease, 
              border-color .3s ease;
}
.contact-qrcodes .qr-item:hover img { 
  transform: scale(1.8);
  box-shadow: 0 12px 40px rgba(0,0,0,.55), 0 0 0 3px rgba(232,201,138,.6);
  border-color: var(--gold);
  background: var(--white);
}
.contact-qrcodes .qr-item span { 
  display: block; margin-top: 8px; font-size: 13px; color: #f0d3c4; 
  transition: color .3s ease, transform .3s ease;
}
.contact-qrcodes .qr-item:hover span { 
  color: var(--gold-soft); 
  transform: translateY(2px);
  font-weight: 500;
}

/* ============================================================
   页脚
   ============================================================ */
footer.ft {
  background: #2c0c0f; color: #e9cdbd; padding: 56px 0 26px;
}
.ft-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr; gap: 30px; align-items: start; }
.ft-col h4 { color: var(--gold-soft); font-size: 16px; margin-bottom: 14px; letter-spacing: 1px; }
.ft-col a { display: block; font-size: 14px; color: #e9cdbd; padding: 5px 0; opacity: .88; }
.ft-col a:hover { color: var(--gold); opacity: 1; }
.ft-bottom { border-top: 1px solid rgba(232,201,138,.18); margin-top: 40px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #c79b8b; }

/* ============================================================
   页脚证书与二维码区域（集成在 ft-grid 中）
   ============================================================ */
.ft-certificates h4, .ft-qr-codes h4 {
  color: var(--gold-soft);
  font-size: 15px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

/* 证书区域 */
.ft-certificates .cert-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ft-certificates .cert-item {
  text-align: center;
  cursor: pointer;
  transition: transform .3s ease;
}
.ft-certificates .cert-item:hover {
  transform: translateY(-4px);
}
.ft-certificates .cert-item img {
  max-width: 80px;
  max-height: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  border: 2px solid rgba(232,201,138,.3);
  background: rgba(255,255,255,.05);
  padding: 4px;
}
.ft-certificates .cert-item span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: #d8b6a6;
}
.ft-certificates .cert-placeholder-inner {
  width: 80px;
  height: 110px;
  border-radius: 6px;
  border: 2px dashed rgba(232,201,138,.3);
  background: rgba(255,255,255,.03);
  display: grid;
  place-items: center;
  font-size: 10px;
  color: #a08070;
  text-align: center;
  padding: 8px;
}

/* 二维码区域 */
.ft-qr-codes .qr-list {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.ft-qr-codes .qr-item {
  width: 100px;
  text-align: center;
  cursor: pointer;
}
.ft-qr-codes .qr-item:hover {
  transform: translateY(-4px);
}
.ft-qr-codes .qr-item img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 6px;
  border: 2px solid rgba(232,201,138,.3);
  background: var(--white);
  padding: 6px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.ft-qr-codes .qr-item:hover img {
  transform: scale(1.8);
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  z-index: 100;
  position: relative;
}
.ft-qr-codes .qr-item span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: #d8b6a6;
}
.ft-qr-codes .qr-placeholder-inner {
  width: 100px;
  height: 100px;
  border-radius: 6px;
  border: 2px dashed rgba(232,201,138,.3);
  background: rgba(255,255,255,.03);
  display: grid;
  place-items: center;
  font-size: 11px;
  color: #a08070;
  text-align: center;
  padding: 8px;
}

/* 证书大图弹窗 */
.cert-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(4px);
  place-items: center;
  padding: 40px;
}
.cert-modal-content {
  max-width: 90vw;
  max-height: 90vh;
}
.cert-modal-content img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}

/* ============================================================
   滚动入场动画
   ============================================================ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   响应�?   ============================================================ */
@media (max-width: 900px) {
  /* 基础修复：防止水平滚动 + 强制全宽 */
  html, body {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }
  
  /* 隐藏所有装饰元素 */
  .loulan-arch, .stars, .dunes, .hero-art, .hero .sun, .hero .sky { display: none !important; }
  
  /* 导航 */
  nav.links { display: none !important; }
  .nav-toggle { display: block !important; }
  nav.links.open {
    display: flex !important; flex-direction: column; position: absolute;
    top: 100%; right: 12px;
    background: var(--red-deep); padding: 18px 24px; border-radius: 14px;
    gap: 16px; box-shadow: var(--shadow); z-index: 1000;
  }
  
  /* Hero */
  .hero { min-height: auto !important; padding: 90px 0 40px !important; }
  .hero-inner { display: block !important; width: 100% !important; }
  .hero-copy { width: 100% !important; text-align: center; }
  .hero .actions { justify-content: center; flex-wrap: wrap; }
  .hero p.lead { margin: 16px auto 0; max-width: 100% !important; }
  
  /* 品牌故事 */
  .story-grid { display: block !important; }
  .story-text, .story-figure { width: 100% !important; }
  .story-figure { order: -1; max-height: 220px; overflow: hidden; margin-bottom: 20px; }
  .story-figure img { width: 100% !important; height: 100% !important; object-fit: cover; }
  .story-stats { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 10px; }
  
  /* 联系 */
  .contact-grid { display: block !important; }
  .contact-info, .contact-form-wrap { width: 100% !important; }
  
  /* 页脚 */
  .ft-grid { display: block !important; }
  .ft-col { width: 100% !important; margin-bottom: 20px; }
  .ft-certificates, .ft-qr-codes { width: 100% !important; }
  .cert-list, .qr-list { justify-content: flex-start; flex-wrap: wrap; gap: 10px; }
  
  /* 其他 grid 转单列 */
  .origin-cards, .quality-cards, .nutri-cards, .usage-cards, .gift-cards, .craft-steps {
    display: block !important;
  }
  .origin-card, .quality-card, .nutri-card, .usage-card, .gift-card, .craft-step {
    width: 100% !important; margin-bottom: 16px;
  }
  
  /* 标题 */
  .sec-head { text-align: center !important; padding: 0 16px; }
  .sec-head h2 { font-size: 22px !important; white-space: normal !important; }
  .sec-head p { font-size: 14px !important; }
  
  /* 时间轴 */
  .timeline::before { left: 18px; }
  .tl-item { width: 100% !important; left: 0 !important; text-align: left !important; padding: 0 0 30px 50px !important; }
  .tl-item .tl-dot { left: 8px !important; right: auto !important; }
  
  /* 悬浮客服 */
  .float-service { right: 8px !important; bottom: 60px !important; z-index: 9999 !important; }
  .float-btn { width: 52px !important; height: 68px !important; }
  .float-btn span { font-size: 9px !important; }
  .float-panel { width: 220px !important; right: -10px !important; }
  
  /* 证书和二维码 */
  .cert-item, .qr-item { max-width: 80px !important; }
  .cert-item img, .qr-item img { max-width: 70px !important; height: auto !important; }
  
  /* 关注我们二维码 - 移动端缩放调整 */
  .contact-qrcodes .qr-item img { width: 80px !important; height: 80px !important; }
  .contact-qrcodes .qr-item:hover img { transform: scale(1.5); }
  .contact-qrcodes { padding-bottom: 60px !important; }
}

@media (max-width: 560px) {
  /* Hero */
  .hero { padding: 80px 0 30px !important; }
  .hero .slogan { letter-spacing: 2px !important; font-size: 11px !important; }
  .hero h1 { font-size: 32px !important; }
  .hero h1 .accent { font-size: 24px !important; }
  .hero .lead { font-size: 14px !important; }
  .btn { padding: 10px 20px !important; font-size: 13px !important; }
  
  /* 标题 */
  .sec-head h2 { font-size: 20px !important; }
  .sec-head p { font-size: 13px !important; }
  
  /* 品牌故事 */
  .story-figure { max-height: 200px !important; }
  .story-stats { grid-template-columns: 1fr 1fr !important; }
  .stat { padding: 10px 6px !important; }
  .stat b { font-size: 20px !important; }
  
  /* 联系表单 */
  .contact-form input, .contact-form textarea { padding: 10px 12px !important; font-size: 14px !important; }
  .contact-form button { padding: 12px !important; font-size: 14px !important; }
  
  /* 证书二维码 */
  .cert-item img, .qr-item img { max-width: 60px !important; }
  .float-btn { width: 48px !important; height: 64px !important; }
  .float-btn span { font-size: 8px !important; }
}

/* ============================================================
   右侧悬浮客服
   ============================================================ */
.float-service {
  position: fixed; right: 16px; bottom: 90px; z-index: 9999;
  font-family: inherit;
}
.float-btn {
  width: 70px; height: 90px; border-radius: 50% 50% 45% 45% / 60% 60% 40% 40%;
  background: linear-gradient(180deg, #9e1b28 0%, #6b0f18 100%);
  color: var(--gold-soft); display: flex; flex-direction: column;
  align-items: center; justify-content: center; cursor: pointer;
  box-shadow: 0 8px 24px rgba(107,15,24,.45), inset 0 -4px 12px rgba(0,0,0,.2);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
}
.float-btn::before {
  content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 14px; background: linear-gradient(180deg, #d4a24e, #b8933f);
  border-radius: 50% 50% 40% 40%;
  box-shadow: 0 2px 4px rgba(0,0,0,.2);
}
.float-btn:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 12px 32px rgba(107,15,24,.55), inset 0 -4px 12px rgba(0,0,0,.2); }
.float-btn svg { display: none; }
.float-btn span { font-size: 13px; font-weight: 700; letter-spacing: 2px; margin-top: 8px; }

.float-panel {
  position: absolute; right: 0; bottom: 100px; width: 260px;
  background: var(--white); border-radius: 16px;
  box-shadow: 0 10px 40px rgba(60,8,12,.25);
  overflow: hidden; opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: all .3s ease;
  pointer-events: none;
}
.float-service:hover .float-panel,
.float-panel:hover {
  opacity: 1; visibility: visible; transform: translateY(0);
  pointer-events: auto;
}

.float-header {
  background: linear-gradient(145deg, var(--red), var(--red-deep));
  color: var(--white); padding: 16px 18px; display: flex;
  justify-content: space-between; align-items: center;
}
.float-header strong { font-size: 15px; letter-spacing: 1px; }
.float-header button {
  background: none; border: none; color: var(--gold-soft);
  font-size: 22px; cursor: pointer; line-height: 1;
}

.float-body { padding: 18px; }
.float-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid #f0e6dc;
}
.float-item:last-child { border-bottom: none; }
.float-item svg { flex-shrink: 0; margin-top: 2px; }
.float-item div { flex: 1; }
.float-item label {
  display: block; font-size: 12px; color: #888; margin-bottom: 4px;
}
.float-item a, .float-item span {
  font-size: 14px; color: var(--red-deep); font-weight: 600;
}
.float-item a:hover { color: var(--gold); }

.float-footer {
  padding: 14px 18px; background: #faf5ee;
  text-align: center;
}
.float-footer a {
  color: var(--red-deep); font-size: 14px; font-weight: 600;
}
.float-footer a:hover { color: var(--gold); }

/* 悬浮客服社交二维码 */
.float-social-qr {
  display: flex;
  gap: 12px;
  padding: 12px 18px;
  border-top: 1px solid rgba(232,201,138,.2);
  margin-top: 8px;
  justify-content: center;
}
.float-qr-item {
  text-align: center;
}
.float-qr-item img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid rgba(232,201,138,.4);
  background: #fff;
  padding: 4px;
  cursor: pointer;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}
.float-qr-item span {
  display: block;
  font-size: 11px;
  color: var(--gold-soft);
  margin-top: 4px;
}
.float-hint {
  text-align: center;
  font-size: 11px;
  color: rgba(232,201,138,.6);
  padding: 4px 18px 8px;
  letter-spacing: 0.5px;
}

/* ============================================================
   动画效果
   ============================================================ */

/* 金色文字流光效果 - 放慢速度 */
@keyframes goldShine {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.hero h1,
.hero h1 .accent,
.hero .slogan {
  background: linear-gradient(
    90deg,
    var(--gold-soft) 0%,
    #fff 25%,
    var(--gold) 50%,
    #fff 75%,
    var(--gold-soft) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: goldShine 8s linear infinite;
}

/* 红色大标题流光效果 - 只给大标题，速度放慢 */
@keyframes redShine {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.sec-head h2 {
  background: linear-gradient(
    90deg,
    var(--red-deep) 0%,
    var(--red-bright) 25%,
    var(--red) 50%,
    var(--red-bright) 75%,
    var(--red-deep) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: redShine 6s linear infinite;
}

/* 移动端适配优化 - 旧版（已被 900px 媒体查询取代） */