/* ============================================================
   鸡蛋网 · Design System
   奶油底 / 蛋黄主色 / 深棕近黑文字 / 蛋形视觉语言
   ============================================================ */

:root {
  /* 中性：奶油 · 蛋壳 */
  --cream-50:  #FFFDF8;
  --cream-100: #FDF6E9;
  --cream-200: #F6EADA;
  --line:      #EBE0CB;
  --line-soft: #F2EADC;

  /* 主色：蛋黄 */
  --yolk-200: #FFE9B8;
  --yolk-300: #FFD68A;
  --yolk-400: #FFC24D;
  --yolk-500: #F5A623;
  --yolk-600: #DE8B10;
  --yolk-700: #B8700C;

  /* 深棕近黑（文字 / 深色区块） */
  --bark-900: #241C12;
  --bark-800: #3A2E1F;
  --bark-700: #4C3D2A;
  --bark-600: #6B5A44;

  /* 语义 */
  --ink:   #241C12;
  --muted: #8A7A63;

  /* 点缀色 */
  --sage:  #5E8C6A;   /* 草编青绿 */
  --coral: #E4572E;   /* 纸箱珊瑚红 */

  --white: #ffffff;

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;

  --shadow-sm: 0 1px 2px rgba(36, 28, 18, .05);
  --shadow-md: 0 14px 34px -18px rgba(36, 28, 18, .30);
  --shadow-lg: 0 34px 70px -30px rgba(36, 28, 18, .38);

  --maxw: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei",
               -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -.02em;
  color: var(--bark-900);
}

.wrap { width: min(var(--maxw), 92vw); margin: 0 auto; }

::selection { background: var(--yolk-300); color: var(--bark-900); }

/* ---------- 滚动进场 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s cubic-bezier(.2, .7, .3, 1), transform .65s cubic-bezier(.2, .7, .3, 1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Header
   ============================================================ */
.site-head { position: sticky; top: 0; z-index: 60; }

.utilbar {
  background: var(--bark-900);
  color: rgba(255, 255, 255, .62);
  font-size: 12.5px;
  letter-spacing: .02em;
}
.utilbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; height: 34px;
}
.utilbar .util-tag { display: inline-flex; align-items: center; gap: 9px; }
.utilbar .util-tag::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--yolk-500);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, .18);
}
.utilbar a { color: var(--yolk-400); font-weight: 700; letter-spacing: .04em; }
.utilbar a:hover { color: var(--yolk-300); }

.navwrap {
  position: relative;
  background: rgba(255, 253, 248, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-head.is-stuck .navwrap {
  background: rgba(255, 253, 248, .95);
  box-shadow: 0 10px 30px -22px rgba(36, 28, 18, .55);
}
.head-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  border-radius: 50% 50% 50% 50% / 58% 58% 42% 42%;
  background: linear-gradient(150deg, var(--yolk-300), var(--yolk-600));
  color: #3A2A05; font-weight: 800; font-size: 19px;
  box-shadow: 0 8px 18px -8px rgba(222, 139, 16, .85);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.18; }
.brand-text b { font-size: 19px; font-weight: 800; letter-spacing: .06em; color: var(--bark-900); }
.brand-text small { font-size: 9.5px; letter-spacing: .24em; font-weight: 700; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 15px; font-weight: 600;
  color: var(--bark-600);
  transition: background .18s ease, color .18s ease;
}
.nav a:hover { color: var(--bark-900); background: var(--cream-100); }
.nav a.active { color: var(--bark-900); background: var(--yolk-200); }
.nav a.nav-cta {
  margin-left: 10px; padding: 9px 20px;
  background: var(--bark-900); color: #fff;
  box-shadow: 0 8px 18px -10px rgba(36, 28, 18, .9);
}
.nav a.nav-cta:hover { background: var(--yolk-600); color: #fff; }

/* 汉堡 */
.nav-toggle {
  display: none;
  width: 42px; height: 42px; flex: none;
  border: 1px solid var(--line); background: var(--white);
  border-radius: 13px; cursor: pointer;
  place-items: center;
}
.nav-toggle span { position: relative; display: block; width: 18px; height: 2px; background: var(--bark-900); border-radius: 2px; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; border-radius: 2px; background: var(--bark-900);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border: 1px solid transparent; border-radius: 999px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn-primary {
  background: var(--yolk-500); color: #3A2A05;
  box-shadow: 0 12px 26px -14px rgba(222, 139, 16, .95);
}
.btn-primary:hover { background: var(--yolk-400); transform: translateY(-2px); }
.btn-dark { background: var(--bark-900); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-2px); }
.btn.ghost { background: transparent; border-color: rgba(36, 28, 18, .22); color: var(--bark-900); }
.btn.ghost:hover { background: var(--cream-100); border-color: var(--bark-900); transform: translateY(-2px); }
.btn-sm {
  padding: 7px 14px; font-size: 13px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--white); cursor: pointer; color: var(--bark-700);
  transition: .18s;
}
.btn-sm:hover { border-color: var(--bark-900); color: var(--bark-900); }
.btn-danger {
  background: #fff; color: #A32D2D; border: 1px solid #F0B4B4;
  padding: 6px 13px; border-radius: 999px; cursor: pointer; font-size: 13px; transition: .18s;
}
.btn-danger:hover { background: #A32D2D; color: #fff; border-color: #A32D2D; }

/* 文字箭头链接 */
.arrow-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14.5px; font-weight: 700; color: var(--yolk-700);
}
.arrow-link::after { content: "→"; transition: transform .2s ease; }
.arrow-link:hover::after { transform: translateX(4px); }

/* ============================================================
   Hero（首页）
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  padding: 76px 0 88px;
  background:
    radial-gradient(1100px 520px at 82% -12%, rgba(245, 166, 35, .22), transparent 62%),
    radial-gradient(760px 420px at 2% 18%, rgba(94, 140, 106, .13), transparent 62%),
    var(--cream-50);
}
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 52px; align-items: center; }
.hero-copy { min-width: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 15px; border-radius: 999px;
  background: var(--white); border: 1px solid var(--line);
  font-size: 13px; font-weight: 700; color: var(--bark-600);
  box-shadow: var(--shadow-sm);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }

.hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: -.035em;
  color: var(--bark-900);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 56%, var(--yolk-300) 56% 90%, transparent 90%);
}
.hero-lead { font-size: 17px; color: var(--bark-600); max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 36px; }

.hero-stats { display: flex; gap: 38px; padding-top: 26px; border-top: 1px dashed var(--line); }
.hero-stats li b {
  display: block; font-size: 30px; font-weight: 800; letter-spacing: -.03em; color: var(--bark-900); line-height: 1.2;
}
.hero-stats li span { font-size: 13px; color: var(--muted); }

/* 蛋形主视觉 */
.hero-visual { position: relative; padding: 8px; }
.egg-frame {
  position: relative; width: 100%; aspect-ratio: 1 / 1;
  border-radius: 50% 50% 50% 50% / 58% 58% 42% 42%;
  overflow: hidden; background: var(--cream-200);
  box-shadow: 0 46px 90px -44px rgba(36, 28, 18, .62), inset 0 0 0 9px rgba(255, 255, 255, .9);
}
.egg-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-blob {
  position: absolute; z-index: -1; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--yolk-200), rgba(255, 233, 184, 0));
}
.hero-blob.b1 { width: 240px; height: 240px; top: -34px; left: -46px; }
.hero-blob.b2 { width: 180px; height: 180px; bottom: -18px; right: -26px; background: radial-gradient(circle at 40% 40%, rgba(94, 140, 106, .28), rgba(94, 140, 106, 0)); }

.float-chip {
  position: absolute; z-index: 2;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 9px 17px; border-radius: 999px;
  background: #fff; box-shadow: var(--shadow-md);
  font-size: 13.5px; font-weight: 700; color: var(--bark-900); white-space: nowrap;
}
.float-chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--yolk-500); }
.float-chip.c1 { top: 6%;  left: -5%;  animation: floaty 6s ease-in-out infinite; }
.float-chip.c2 { bottom: 20%; right: -5%; animation: floaty 7.5s ease-in-out .8s infinite; }
.float-chip.c3 { bottom: 1%;  left: 12%; animation: floaty 6.8s ease-in-out .4s infinite; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-11px); }
}

/* ============================================================
   Section
   ============================================================ */
.section { padding: 78px 0; }
.section.alt { background: var(--cream-100); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section.tight { padding: 54px 0; }

.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 26px; margin-bottom: 34px; flex-wrap: wrap; }
.sec-kicker {
  display: block; margin-bottom: 10px;
  font-size: 11.5px; letter-spacing: .26em; font-weight: 800; color: var(--yolk-600);
}
.sec-head h2 { font-size: clamp(24px, 3vw, 34px); }
.sec-head .lead { color: var(--muted); font-size: 15px; max-width: 540px; margin-top: 6px; }

/* 品类三卡 */
.cat-rail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cat-card {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 240px; padding: 26px;
  display: flex; flex-direction: column; justify-content: flex-end;
  border-radius: var(--r-lg); color: #fff;
}
.cat-card > img.bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2, .7, .3, 1); }
.cat-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(36, 28, 18, .05) 24%, rgba(36, 28, 18, .84) 92%);
}
.cat-card:hover > img.bg { transform: scale(1.08); }
.cat-num { font-size: 12px; font-weight: 800; letter-spacing: .24em; color: var(--yolk-300); }
.cat-card h3 { font-size: 23px; color: #fff; margin: 8px 0 6px; }
.cat-card p { font-size: 13.5px; color: rgba(255, 255, 255, .76); }
.cat-card .cat-go {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 8px;
  width: fit-content; padding: 7px 15px; border-radius: 999px;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28);
  font-size: 13px; font-weight: 700; backdrop-filter: blur(4px);
  transition: background .22s ease;
}
.cat-card:hover .cat-go { background: var(--yolk-500); color: #3A2A05; border-color: var(--yolk-500); }

/* ============================================================
   产品卡片 / 网格
   ============================================================ */
.grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

.card {
  position: relative; display: block; color: inherit;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden;
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--yolk-400); box-shadow: var(--shadow-md); }
.card .thumb {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  background: var(--cream-100);
  display: grid; place-items: center; color: var(--muted); font-size: 13px;
}
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2, .7, .3, 1); }
.card:hover .thumb img { transform: scale(1.06); }
.card .thumb .hover-hint {
  position: absolute; left: 14px; bottom: 14px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(36, 28, 18, .82); color: #fff;
  font-size: 12px; font-weight: 700; backdrop-filter: blur(4px);
  opacity: 0; transform: translateY(6px); transition: .28s ease;
}
.card:hover .thumb .hover-hint { opacity: 1; transform: none; }

.tag {
  position: absolute; top: 13px; left: 13px; z-index: 3;
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: rgba(36, 28, 18, .8); color: #fff;
  font-size: 11.5px; font-weight: 700; letter-spacing: .04em;
  backdrop-filter: blur(4px);
}
.card .body { padding: 18px 20px 20px; }
.card h3 { font-size: 17.5px; margin: 0 0 7px; color: var(--bark-900); }
.card .spec { font-size: 13px; font-weight: 700; color: var(--yolk-700); margin: 0 0 8px; }
.card p {
  font-size: 14px; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card.rec-card .body { padding: 14px 16px 16px; }
.card.rec-card h3 { font-size: 16px; }

/* 筛选 tabs */
.tabs { display: flex; gap: 10px; flex-wrap: wrap; }
.tabs button {
  padding: 9px 19px; border: 1px solid var(--line); background: var(--white);
  border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--bark-600);
  cursor: pointer; transition: .2s ease;
}
.tabs button:hover { border-color: var(--yolk-400); color: var(--bark-900); }
.tabs button.active { background: var(--bark-900); color: #fff; border-color: var(--bark-900); }

/* ============================================================
   内页标题区（产品/新闻详情）
   ============================================================ */
.page-top { padding-top: 46px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin: 0 0 20px; }
.breadcrumb a { color: var(--yolk-700); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 9px; color: var(--line); }
.breadcrumb .current { color: var(--bark-600); font-weight: 700; }

.page-banner {
  position: relative; margin: 0 0 6px; padding: 0;
  background: transparent; color: inherit; border-radius: 0; overflow: visible;
}
.page-banner::after { display: none; }
.banner-inner { position: relative; z-index: 1; }
.banner-title {
  font-size: clamp(26px, 3.4vw, 42px); font-weight: 800; letter-spacing: -.03em;
  color: var(--bark-900); margin: 0; line-height: 1.24;
}
.banner-sub { margin: 13px 0 0; color: var(--muted); font-size: 15px; }
.banner-rule { width: 66px; height: 5px; border-radius: 999px; background: var(--yolk-500); margin-top: 18px; }

/* ============================================================
   产品详情
   ============================================================ */
.pd-top { display: grid; grid-template-columns: 400px 1fr 296px; gap: 34px; align-items: start; margin: 26px 0 40px; }
.pd-gallery { width: auto; }
.pd-gallery .main-img {
  width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: var(--r-xl); background: var(--cream-100);
  box-shadow: var(--shadow-md);
}
.pd-thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.pd-thumbs img {
  width: 74px; height: 74px; object-fit: cover; border-radius: 15px;
  border: 2px solid transparent; opacity: .62; cursor: pointer; transition: .22s ease;
}
.pd-thumbs img:hover { opacity: 1; }
.pd-thumbs img.active { opacity: 1; border-color: var(--yolk-500); }
.detail-thumb {
  width: 100%; aspect-ratio: 1 / 1; background: var(--cream-100);
  border-radius: var(--r-xl); display: grid; place-items: center;
  color: var(--muted); font-size: 14px;
}

.pd-info { min-width: 0; }
.pd-info > .tag { position: static; display: inline-block; margin-bottom: 14px; background: var(--yolk-200); color: var(--yolk-700); }
.pd-title { margin: 0 0 20px; font-size: clamp(22px, 2.6vw, 31px); color: var(--bark-900); }
.pd-info .spec-row {
  display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: baseline;
  padding: 13px 0; border-bottom: 1px solid var(--line-soft); font-size: 14.5px;
}
.pd-info .spec-row:first-of-type { border-top: 1px solid var(--line-soft); }
.pd-info .spec-row span:first-child { color: var(--muted); font-size: 13.5px; }
.pd-info .spec-row b { color: var(--bark-900); font-weight: 700; text-align: left; }

.pd-buy {
  background: var(--bark-900); color: #fff;
  border: none; border-radius: var(--r-lg); padding: 26px 24px;
  position: sticky; top: 96px; box-shadow: var(--shadow-md);
}
.pd-buy .buy-tip {
  background: rgba(255, 255, 255, .09); color: var(--yolk-300);
  border-radius: 13px; padding: 11px 12px; margin-bottom: 18px;
  font-size: 13px; font-weight: 700; text-align: center;
}
.buy-btn {
  display: block; text-align: center; margin-bottom: 18px;
  background: var(--yolk-500); color: #3A2A05;
  padding: 13px 20px; border-radius: 999px; font-weight: 700; font-size: 15px;
  box-shadow: 0 14px 28px -16px rgba(245, 166, 35, .9);
  transition: .2s ease;
}
.buy-btn:hover { background: var(--yolk-400); transform: translateY(-2px); }
.buy-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 11px 0; border-top: 1px solid rgba(255, 255, 255, .13); font-size: 14px;
}
.buy-row span { color: rgba(255, 255, 255, .58); }
.buy-row b { color: #fff; font-weight: 700; }
.buy-note { font-size: 12.5px; color: rgba(255, 255, 255, .5); line-height: 1.75; margin: 14px 0 0; }
.buy-note a { color: var(--yolk-400); }

.pd-intro { margin: 0; padding-top: 34px; border-top: 1px solid var(--line-soft); }
.pd-sub { font-size: 20px; color: var(--bark-900); margin: 0 0 14px; }
.pd-desc { font-size: 15.5px; line-height: 1.95; color: var(--bark-700); white-space: pre-wrap; }

.rec-block { margin-top: 58px; border-top: 1px solid var(--line-soft); padding-top: 32px; }
.rec-title { font-size: 21px; color: var(--bark-900); margin: 0 0 6px; }

/* ============================================================
   新闻
   ============================================================ */
.news-item {
  display: flex; gap: 22px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 22px 24px; margin-bottom: 16px;
  transition: transform .28s cubic-bezier(.2, .7, .3, 1), box-shadow .28s ease, border-color .28s ease;
}
.news-item:hover { transform: translateY(-3px); border-color: var(--yolk-400); box-shadow: var(--shadow-md); }
.news-item .date {
  flex: none; width: 78px; padding: 9px 0; text-align: center;
  background: var(--cream-100); border-radius: 15px;
  color: var(--bark-900); font-weight: 800; font-size: 13.5px; line-height: 1.45;
  overflow-wrap: anywhere;
}
.news-item h3 { margin: 0 0 7px; font-size: 18px; }
.news-item h3 a:hover { color: var(--yolk-700); }
.news-item p { color: var(--muted); font-size: 14px; }

.news-body { font-size: 16px; line-height: 2.05; color: var(--bark-700); white-space: pre-wrap; }
.news-cover {
  width: 100%; max-width: 760px; aspect-ratio: 16 / 8; object-fit: cover;
  border-radius: var(--r-lg); margin-bottom: 28px; box-shadow: var(--shadow-md);
}

/* ============================================================
   联系 / 销售团队
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-box {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 28px;
}
.contact-box h3 { margin: 0 0 14px; font-size: 19px; }
.contact-box p { color: var(--bark-700); font-size: 15px; padding: 5px 0; }
.contact-box b { color: var(--bark-900); }

/* 合作流程步骤 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step {
  position: relative; padding: 26px 22px 24px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s ease, border-color .3s ease;
}
.step:hover { transform: translateY(-5px); border-color: var(--yolk-400); box-shadow: var(--shadow-md); }
.step span {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; margin-bottom: 16px;
  border-radius: 50% 50% 50% 50% / 58% 58% 42% 42%;
  background: var(--yolk-200); color: var(--yolk-700);
  font-size: 14px; font-weight: 800; letter-spacing: .04em;
}
.step h4 { font-size: 17px; margin: 0 0 7px; color: var(--bark-900); font-weight: 800; }
.step p { font-size: 14px; color: var(--muted); }

.sales-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.sales-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 28px 18px 22px; text-align: center;
  transition: transform .28s cubic-bezier(.2, .7, .3, 1), box-shadow .28s ease, border-color .28s ease;
}
.sales-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--yolk-400); }
.sales-card .avatar {
  width: 66px; height: 66px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  font-size: 26px; font-weight: 800;
  color: #3A2A05;
  background: linear-gradient(150deg, var(--yolk-300), var(--yolk-600));
  box-shadow: 0 12px 26px -14px rgba(222, 139, 16, .95);
}
.sales-card h3 { margin: 0 0 8px; font-size: 19px; }
.sales-card .region { font-size: 13.5px; color: var(--muted); margin: 0 0 3px; }
.sales-card .phone { font-size: 14px; color: var(--bark-700); margin: 8px 0 14px; font-weight: 700; }
.sales-card .phone a { color: var(--yolk-700); }
.sales-card .qr {
  width: 132px; height: 132px; object-fit: contain;
  border: 1px solid var(--line); border-radius: 15px; padding: 7px;
  background: #fff; margin: 0 auto;
}
.sales-card .qr-tip { margin: 9px 0 0; font-size: 12px; color: var(--muted); }

/* ============================================================
   Footer（全宽深色）
   ============================================================ */
.footer {
  background: var(--bark-900); color: rgba(255, 255, 255, .58);
  padding: 58px 0 26px; margin-top: 46px; font-size: 14px;
}
.footer .wrap { background: none; border-radius: 0; padding: 0; color: inherit; }
.foot-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 34px;
  padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.foot-brand { display: flex; flex-direction: column; gap: 12px; }
.foot-brand .brand-mark { box-shadow: none; }
.foot-brand p { font-size: 13.5px; line-height: 1.85; max-width: 320px; color: rgba(255, 255, 255, .5); }
.foot-col h4 { color: #fff; font-size: 13px; letter-spacing: .12em; margin-bottom: 14px; font-weight: 800; }
.foot-col a, .foot-col li { display: block; padding: 5px 0; font-size: 14px; color: rgba(255, 255, 255, .56); }
.foot-col a { transition: color .18s ease; }
.foot-col a:hover { color: var(--yolk-400); }
.foot-bottom {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding-top: 22px; font-size: 13px; color: rgba(255, 255, 255, .42);
}
.footer a { color: rgba(255, 255, 255, .56); }
.footer a:hover { color: var(--yolk-400); }

/* ============================================================
   后台（独立视觉：深色顶条 + 侧栏导航 + 卡片表单）
   ============================================================ */
.admin-body { background: var(--cream-100); }

/* ---------- 登录 ---------- */
.admin-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(720px 440px at 82% 10%, rgba(255, 233, 184, .80), transparent 60%),
    radial-gradient(620px 400px at 8% 92%, rgba(255, 214, 138, .48), transparent 62%),
    var(--cream-100);
}
.login-card {
  width: min(420px, 100%);
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-xl); padding: 36px 34px 28px;
  box-shadow: var(--shadow-lg);
}
.admin-brand { display: inline-flex; align-items: center; gap: 11px; margin-bottom: 26px; }
.login-card h2 { margin: 0 0 6px; font-size: 25px; color: var(--bark-900); font-weight: 800; }
.login-sub { margin: 0 0 22px; font-size: 13.5px; color: var(--muted); }
.btn-block { display: block; width: 100%; }
.login-err { min-height: 20px; margin: 12px 0 0; font-size: 13px; color: #B3261E; }
.login-back { display: inline-block; margin-top: 14px; font-size: 13px; color: var(--muted); text-decoration: none; }
.login-back:hover { color: var(--yolk-700); }

/* ---------- 顶条 ---------- */
.admin-head { background: var(--bark-900); position: sticky; top: 0; z-index: 40; }
.admin-head-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.admin-head-right { display: flex; align-items: center; gap: 10px; }
.admin-badge {
  font-size: 11.5px; font-weight: 800; letter-spacing: .12em;
  padding: 5px 11px; border-radius: 999px;
  background: rgba(255, 194, 77, .16); color: var(--yolk-300);
  border: 1px solid rgba(255, 194, 77, .28);
}
.btn.ghost-light {
  background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .82);
  border: 1px solid rgba(255, 255, 255, .18);
}
.btn.ghost-light:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.admin-head .brand-text b { color: #fff; }
.admin-head .brand-text small { color: rgba(255, 255, 255, .42); }

/* ---------- 布局 ---------- */
.admin-shell {
  display: grid; grid-template-columns: 236px minmax(0, 1fr);
  gap: 26px; padding: 30px 0 70px; align-items: start;
}
.admin-side { position: sticky; top: 94px; display: flex; flex-direction: column; gap: 14px; }
.admin-tabs { display: flex; flex-direction: column; gap: 8px; padding: 0; background: none; }
.admin-tabs button {
  display: flex; align-items: center; gap: 12px; text-align: left;
  padding: 13px 15px; border-radius: var(--r-md);
  background: var(--white); border: 1px solid var(--line);
  color: var(--bark-700); font-size: 14.5px; font-weight: 600;
  transition: border-color .2s ease, background .2s ease, color .2s ease, transform .2s ease;
}
.admin-tabs button:hover { border-color: var(--yolk-400); }
.admin-tabs button.active { background: var(--bark-900); border-color: var(--bark-900); color: #fff; }
.admin-tabs .t-ico { font-size: 19px; line-height: 1; }
.admin-tabs .t-txt { display: flex; flex-direction: column; min-width: 0; }
.admin-tabs .t-txt b { font-size: 14.5px; font-weight: 700; }
.admin-tabs .t-txt small { font-size: 11.5px; font-weight: 400; opacity: .58; }
.side-tip {
  background: var(--cream-50); border: 1px dashed var(--line);
  border-radius: var(--r-md); padding: 14px 16px;
  font-size: 12.5px; line-height: 1.72; color: var(--muted);
}
.side-tip b {
  display: block; margin-bottom: 5px;
  font-size: 11.5px; letter-spacing: .12em; color: var(--yolk-700);
}

.admin-main { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.panel-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 26px 28px 28px; box-shadow: var(--shadow-sm);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding-bottom: 16px; margin-bottom: 20px; border-bottom: 1px solid var(--line-soft);
}
.panel-head h3 { margin: 0; font-size: 17px; font-weight: 800; color: var(--bark-900); }
.panel-actions { display: flex; gap: 10px; margin-top: 6px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .span-2 { grid-column: 1 / -1; }

.field { margin-bottom: 15px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; color: var(--bark-600); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: var(--r-md);
  font-size: 14px; font-family: inherit; color: var(--ink);
  background: var(--cream-50); transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; background: var(--white);
  border-color: var(--yolk-500); box-shadow: 0 0 0 3px rgba(245, 166, 35, .16);
}
.field textarea { resize: vertical; }

.seo-box {
  border: 1px dashed var(--line); border-radius: var(--r-md);
  padding: 10px 16px; margin: 4px 0 18px; background: var(--cream-50);
}
.seo-box summary { cursor: pointer; color: var(--yolk-700); font-size: 13.5px; font-weight: 700; user-select: none; }
.seo-box .form-grid { margin-top: 12px; }

.img-list { display: flex; flex-wrap: wrap; gap: 10px; min-height: 40px; align-items: center; }
.img-item { position: relative; width: 74px; height: 74px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.img-item img { width: 100%; height: 100%; object-fit: cover; }
.img-del {
  position: absolute; top: 3px; right: 3px;
  width: 21px; height: 21px; padding: 0; line-height: 20px;
  border: none; border-radius: 50%; background: rgba(36, 28, 18, .6); color: #fff;
  cursor: pointer; font-size: 13px;
}

.admin-list { display: flex; flex-direction: column; gap: 9px; }
.admin-row {
  display: flex; align-items: center; gap: 13px;
  background: var(--cream-50); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 11px 14px;
  transition: border-color .2s ease, background .2s ease;
}
.admin-row:hover { border-color: var(--yolk-400); background: var(--white); }
.admin-row .mini { width: 46px; height: 46px; border-radius: 10px; object-fit: cover; background: var(--cream-200); flex: none; }
.admin-row .grow { flex: 1; min-width: 0; }
.admin-row .grow b { font-size: 14.5px; color: var(--bark-900); display: block; }
.admin-row .grow span { color: var(--muted); font-size: 12.5px; }

.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(8px);
  background: var(--bark-900); color: #fff; padding: 11px 20px;
  border-radius: 999px; font-size: 14px; font-weight: 600;
  opacity: 0; pointer-events: none; transition: opacity .22s ease, transform .22s ease;
  box-shadow: var(--shadow-lg); z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.hidden { display: none !important; }

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; gap: 18px; }
  .admin-side { position: static; }
  .admin-tabs { flex-direction: row; }
  .admin-tabs button { flex: 1; }
  .side-tip { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .panel-card { padding: 22px 20px 24px; }
}

/* ============================================================
   优势四宫格
   ============================================================ */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feat {
  position: relative; padding: 28px 24px 26px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s ease, border-color .3s ease;
}
.feat:hover { transform: translateY(-5px); border-color: var(--yolk-400); box-shadow: var(--shadow-md); }
.feat b {
  display: block; font-size: 13px; font-weight: 800; letter-spacing: .2em;
  color: var(--yolk-600); margin-bottom: 14px;
}
.feat h3 { font-size: 18px; margin: 0 0 8px; }
.feat p { font-size: 14px; color: var(--muted); }

/* ============================================================
   CTA 带
   ============================================================ */
.cta-band { padding: 0 0 8px; }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 26px;
  padding: 38px 44px; border-radius: var(--r-xl);
  background:
    radial-gradient(700px 300px at 88% 10%, rgba(255, 233, 184, .35), transparent 62%),
    var(--bark-900);
  color: #fff; flex-wrap: wrap;
}
.cta-inner h2 { color: #fff; font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 8px; }
.cta-inner p { color: rgba(255, 255, 255, .6); font-size: 15px; max-width: 560px; }

/* 页脚品牌文字反色 */
.foot-brand .brand-text b { color: #fff; }
.foot-brand .brand-text small { color: rgba(255, 255, 255, .42); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { order: -1; max-width: 460px; margin: 0 auto; }
  .pd-top { grid-template-columns: 340px 1fr; }
  .pd-buy { grid-column: 1 / -1; position: static; }
  .cat-rail { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  #rec-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .utilbar .util-right { display: none; }
  .nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 5px;
    padding: 12px 4vw 20px;
    background: var(--white); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 15px; border-radius: 13px; }
  .nav a.nav-cta { margin-left: 0; margin-top: 6px; text-align: center; }
  .nav-toggle { display: grid; }
  .head-inner { height: 66px; }
}

@media (max-width: 720px) {
  .section { padding: 58px 0; }
  .hero { padding: 52px 0 62px; }
  .hero-stats { gap: 26px; }
  .hero-stats li b { font-size: 25px; }
  .float-chip { font-size: 12px; padding: 7px 13px; }
  .float-chip.c1 { left: -2%; }
  .float-chip.c2 { right: -2%; }
  .pd-top { grid-template-columns: 1fr; gap: 24px; }
  .pd-gallery .main-img { aspect-ratio: 4 / 3; }
  .contact-grid { grid-template-columns: 1fr; }
  .sales-grid { grid-template-columns: repeat(2, 1fr); }
  .news-item { flex-direction: column; gap: 12px; padding: 20px; }
  .news-item .date { width: max-content; padding: 7px 14px; border-radius: 999px; overflow-wrap: normal; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
  #rec-grid { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 560px) {
  .feat-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .cta-inner { padding: 30px 24px; }
  .cta-inner .btn { width: 100%; }
}

@media (max-width: 480px) {
  .grid, #rec-grid, .sales-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}