/* ============================================================
   春鉴 · 企业官网公共样式
   设计规范沿用小程序「简约国风」：
   米白宣纸底 / 茶绿主色 / 朱红强调 / 褐墨文字 / 克制留白
   ============================================================ */

:root {
  /* 色彩系统（与小程序 app.wxss 一致） */
  --bg: #f6f1e7;            /* 米白宣纸 */
  --card: #fdfbf5;          /* 暖白卡片 */
  --green: #3e6b4f;         /* 主色·茶绿 */
  --green-light: #5f8c6c;   /* 主色浅 */
  --green-dark: #2f4a3c;    /* 深茶绿（页脚/遮罩） */
  --red: #b5533c;           /* 强调·朱红 */
  --red-light: #c4604a;
  --ink: #3b3229;           /* 褐墨正文 */
  --ink-mid: #7a7263;       /* 次级文字 */
  --ink-soft: #9a917f;      /* 辅助文字 */
  --line: #ece3cd;          /* 分割线 */
  --gold: #9a6a1f;          /* 待定金·点缀金 */

  /* 字体 */
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", sans-serif;

  /* 布局 */
  --container: 1180px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 6px 28px rgba(80, 60, 30, 0.08);
  --shadow-sm: 0 2px 10px rgba(80, 60, 30, 0.06);
}

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

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.serif { font-family: var(--serif); }

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(246, 241, 231, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(236, 227, 205, 0.7);
  transition: box-shadow .3s ease, background .3s ease;
}

.site-header.scrolled {
  background: rgba(253, 251, 245, 0.96);
  box-shadow: 0 4px 20px rgba(80, 60, 30, 0.1);
}

.nav {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand img { width: 44px; height: 44px; border-radius: 10px; object-fit: cover; box-shadow: var(--shadow-sm); }

.brand-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--ink);
  line-height: 1.2;
}

.brand-sub {
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 1px;
  line-height: 1.4;
}

.nav-links {
  display: flex;
  gap: 6px;
  flex: 1;
}

.nav-links a {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--ink-mid);
  transition: color .25s ease;
  white-space: nowrap;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  background: var(--green);
  transform: translateX(-50%);
  transition: width .25s ease;
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active { color: var(--green); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 22px; }

.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.nav-hamburger {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  font-size: 18px;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: 2px;
  padding: 12px 32px;
  min-height: 48px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, color .25s ease;
  white-space: nowrap;
}

.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-light); }

.btn-light { background: rgba(255, 255, 255, 0.92); color: var(--green-dark); }
.btn-light:hover { background: #fff; }

.btn-ghost { border-color: var(--green); color: var(--green); background: transparent; }
.btn-ghost:hover { background: rgba(62, 107, 79, 0.08); }

.btn-ghost-white { border-color: rgba(255,255,255,0.65); color: #fff; background: rgba(255,255,255,0.06); }
.btn-ghost-white:hover { background: rgba(255,255,255,0.16); }

.btn-sm { padding: 7px 20px; font-size: 13px; }
.btn-lg { padding: 14px 42px; font-size: 16px; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-light); }

/* ============================================================
   首屏 Hero（大图沉浸式）
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 140px 24px 120px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("../assets/hero-tea-mountain.jpg") center / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(38, 52, 41, 0.55) 0%, rgba(38, 52, 41, 0.25) 45%, rgba(30, 40, 33, 0.72) 100%);
}

.hero-content { position: relative; z-index: 2; max-width: 860px; color: #fdfbf5; }

.hero-seal {
  width: 64px; height: 64px;
  margin: 0 auto 26px;
  background: rgba(181, 83, 60, 0.28);
  border: 2px solid rgba(253, 251, 245, 0.9);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.hero-seal span { font-family: var(--serif); font-size: 27px; letter-spacing: 2px; color: #fdfbf5; }

.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 5px; color: rgba(253, 251, 245, 0.85);
  margin-bottom: 22px;
}

.hero-kicker::before, .hero-kicker::after {
  content: ""; width: 34px; height: 1px; background: rgba(253, 251, 245, 0.5);
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 700;
  letter-spacing: 8px;
  line-height: 1.35;
  text-shadow: 0 4px 24px rgba(20, 30, 22, 0.45);
}

.hero-title em { font-style: normal; color: #e8d9b0; }

.hero-slogan {
  margin-top: 18px;
  font-size: clamp(16px, 2vw, 21px);
  letter-spacing: 6px;
  color: rgba(253, 251, 245, 0.92);
}

.hero-desc {
  margin: 26px auto 0;
  max-width: 620px;
  font-size: 15.5px;
  line-height: 2;
  color: rgba(253, 251, 245, 0.78);
}

.hero-btns { margin-top: 44px; display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 34px;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(253, 251, 245, 0.7);
  font-size: 12px;
  letter-spacing: 3px;
}

/* ============================================================
   区块通用
   ============================================================ */
.section { padding: 108px 0; position: relative; }
.section.tinted { background: rgba(62, 107, 79, 0.05); }

.sec-head { text-align: center; max-width: 680px; margin: 0 auto 64px; }

.sec-kicker {
  display: inline-block;
  color: var(--green);
  font-size: 13px;
  letter-spacing: 5px;
  margin-bottom: 16px;
}

.sec-title {
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1.5;
  color: var(--ink);
}

.sec-sub { margin-top: 16px; color: var(--ink-mid); font-size: 15.5px; line-height: 1.9; }

/* 印章装饰 */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: #fdfbf5;
  border-radius: 8px;
  padding: 6px 10px;
  font-family: var(--serif);
  letter-spacing: 2px;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(181, 83, 60, 0.3);
}

/* ============================================================
   卡片与网格
   ============================================================ */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(236, 227, 205, 0.6);
  transition: border-color .25s ease;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card { padding: 36px 30px; text-align: left; }

.feature-card:hover { border-color: rgba(62, 107, 79, 0.3); }

.feature-card h3 { font-family: var(--serif); font-size: 18px; letter-spacing: 2px; margin-bottom: 12px; }
.feature-card p { font-size: 14.5px; color: var(--ink-mid); line-height: 1.9; }

/* 数字统计 */
.stats-band {
  background: var(--green-dark);
  border-radius: var(--radius-lg);
  padding: 52px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-num { font-family: var(--serif); font-size: 46px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.stat-num small { font-size: 22px; font-weight: 400; margin-left: 2px; }
.stat-label { margin-top: 8px; color: rgba(255, 255, 255, 0.78); font-size: 14px; letter-spacing: 3px; }

/* 分割装饰条 */
.divider-deco {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin: 0 auto 48px; max-width: 420px;
  color: var(--ink-soft); font-family: var(--serif); letter-spacing: 6px; font-size: 15px;
}

.divider-deco::before, .divider-deco::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

/* ============================================================
   产品卡片
   ============================================================ */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.prod-card { overflow: hidden; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid rgba(236, 227, 205, 0.6); transition: border-color .25s ease; }

.prod-card:hover { border-color: rgba(62, 107, 79, 0.3); }

.prod-imgbox { position: relative; overflow: hidden; aspect-ratio: 1 / 1; }

.prod-imgbox img { width: 100%; height: 100%; object-fit: cover; }

.prod-score {
  position: absolute; top: 14px; right: 14px;
  background: rgba(253, 251, 245, 0.94);
  color: var(--green);
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.prod-body { padding: 22px 24px 26px; }

.prod-name { font-family: var(--serif); font-size: 18px; letter-spacing: 2px; }

.prod-meta { margin-top: 8px; color: var(--ink-soft); font-size: 13px; letter-spacing: 1px; }

.prod-foot {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: space-between;
}

.prod-go { color: var(--green); font-size: 13px; letter-spacing: 1px; white-space: nowrap; }

.prod-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 12px; letter-spacing: 1px;
  padding: 3px 12px; border-radius: 6px;
  background: #ece6d8; color: var(--ink-mid);
}
.tag-green { background: #e3ecdf; color: var(--green); }
.tag-red { background: #f5e3db; color: var(--red); }
.tag-gold { background: #f2e8d4; color: var(--gold); }

/* 经销商网络 */
.dealer-card { max-width: 860px; margin: 0 auto; padding: 46px 40px; text-align: center; }
.dealer-num { font-family: var(--serif); font-size: 64px; color: var(--green); letter-spacing: 2px; line-height: 1; }
.dealer-num span { display: block; margin-top: 14px; font-size: 18px; color: var(--ink-mid); letter-spacing: 3px; }
.dealer-cities { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 26px 0 8px; }
.dealer-cities .tag { font-size: 14px; padding: 7px 18px; border-radius: 999px; }
.dealer-note { color: var(--ink-soft); font-size: 13.5px; letter-spacing: 1px; margin: 16px 0 28px; }

/* 创始人简介 */
.founder-card { max-width: 980px; margin: 0 auto; display: flex; gap: 44px; align-items: center; padding: 44px; }
.founder-photo { flex: 0 0 300px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 4 / 5; }
.founder-body h3 { font-family: var(--serif); font-size: 30px; letter-spacing: 4px; margin: 0; }
.founder-title { margin-top: 12px; color: var(--ink-mid); font-size: 14px; letter-spacing: 1px; line-height: 1.9; }
.founder-h { margin: 22px 0 10px; font-size: 15px; letter-spacing: 2px; color: var(--ink); }
.founder-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.founder-tags .tag { font-size: 13px; padding: 6px 16px; border-radius: 999px; }
.founder-text { margin-top: 20px; color: var(--ink-soft); font-size: 14px; line-height: 2; letter-spacing: 1px; }
@media (max-width: 860px) {
  .founder-card { flex-direction: column; padding: 30px 24px; gap: 28px; }
  .founder-photo { flex: none; width: 220px; }
}

/* 媒体报道 */
.media-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 980px; margin: 0 auto; }
.media-card { display: block; padding: 32px 34px; border-left: 3px solid var(--green); transition: background .25s ease; }
.media-card:hover { background: #fff; }
.media-source { font-size: 13px; letter-spacing: 2px; color: var(--green); margin-bottom: 14px; }
.media-title { font-family: var(--serif); font-size: 17px; line-height: 1.9; letter-spacing: 1px; color: var(--ink); }
.media-foot { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; }
.media-date { font-size: 12.5px; color: var(--ink-soft); letter-spacing: 1px; }
.media-link { font-size: 13px; color: var(--green); letter-spacing: 1px; }
@media (max-width: 860px) {
  .media-grid { grid-template-columns: 1fr; }
}

.prod-more { text-align: center; margin-top: 48px; }

/* ============================================================
   资质荣誉
   ============================================================ */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.honor-card { padding: 30px 26px; text-align: center; border-top: 2px solid rgba(62, 107, 79, 0.3); }
.honor-card:hover { background: #fff; }

.honor-card h4 { font-family: var(--serif); font-size: 16px; letter-spacing: 2px; line-height: 1.6; margin-top: 4px; }
.honor-card p { margin-top: 8px; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* ============================================================
   门店卡片
   ============================================================ */
.store-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.store-card { overflow: hidden; }
.store-card img { width: 100%; height: 220px; object-fit: cover; }
.store-body { padding: 22px 24px 26px; }

.store-name { font-family: var(--serif); font-size: 18px; letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }

.store-demo {
  font-size: 11px; background: #ece6d8; color: var(--ink-soft);
  padding: 2px 10px; border-radius: 4px; letter-spacing: 1px;
}

.store-line { margin-top: 12px; display: flex; align-items: flex-start; gap: 8px; color: var(--ink-mid); font-size: 13.5px; line-height: 1.7; }
.store-line svg { flex-shrink: 0; margin-top: 4px; color: var(--green); }

/* ============================================================
   流程步骤
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }

.step { position: relative; padding: 34px 26px; text-align: center; }

.step::before {
  counter-increment: step;
  content: counter(step, cjk-ideographic);
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-family: var(--serif);
  font-size: 19px;
}

.step h4 { font-family: var(--serif); font-size: 17px; letter-spacing: 2px; margin-bottom: 10px; }
.step p { font-size: 13.5px; color: var(--ink-mid); line-height: 1.8; }

/* ============================================================
   落地页大 Banner（内页页头）
   ============================================================ */
.page-hero {
  position: relative;
  min-height: 380px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 72px;
}

.page-hero-bg {
  position: absolute; inset: 0;
  background-position: center;
  background-size: cover;
}

.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(38, 52, 41, 0.62), rgba(30, 40, 33, 0.55));
}

.page-hero-content { position: relative; z-index: 2; color: #fdfbf5; padding: 60px 24px; }

.page-hero-title { font-family: var(--serif); font-size: clamp(30px, 4vw, 44px); letter-spacing: 10px; font-weight: 700; }
.page-hero-en { margin-top: 12px; font-size: 12.5px; letter-spacing: 4px; color: rgba(253, 251, 245, 0.65); text-transform: uppercase; }

/* 面包屑 */
.crumbs { margin-top: 22px; font-size: 13px; letter-spacing: 2px; color: rgba(253, 251, 245, 0.75); }
.crumbs a:hover { color: #fff; }
.crumbs span { margin: 0 10px; opacity: 0.5; }

/* ============================================================
   双栏布局（图文）
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

.split-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.split-img img { width: 100%; height: 100%; object-fit: cover; }

.split-body h3 { font-family: var(--serif); font-size: 28px; letter-spacing: 3px; line-height: 1.5; margin-bottom: 20px; }
.split-body p { color: var(--ink-mid); font-size: 15px; line-height: 2; margin-bottom: 14px; }
.split-body p b, .split-body p strong { color: var(--ink); }

.check-list { margin-top: 20px; }
.check-list li { position: relative; padding-left: 32px; margin-bottom: 12px; font-size: 14.5px; color: var(--ink-mid); }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--green);
  font-weight: 700;
}

/* ============================================================
   时间轴
   ============================================================ */
.timeline { max-width: 760px; margin: 0 auto; position: relative; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 13px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--line), rgba(62, 107, 79, 0.5)); }

.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }

.tl-dot {
  position: absolute; left: -40px; top: 6px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--green);
  display: flex; align-items: center; justify-content: center;
}
.tl-dot::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

.tl-time { color: var(--green); font-family: var(--serif); letter-spacing: 2px; font-size: 15px; margin-bottom: 6px; }
.tl-desc { color: var(--ink-mid); font-size: 14.5px; line-height: 1.9; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 36px; align-items: start; }

.contact-form { padding: 40px 38px; }
.contact-aside { display: flex; flex-direction: column; gap: 24px; }

.contact-info-card { padding: 30px 32px; }

.ci-item { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--line); align-items: flex-start; }
.ci-item:last-child { border-bottom: none; }

.ci-ico {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(62, 107, 79, 0.09);
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
}

.ci-label { font-size: 12.5px; color: var(--ink-soft); letter-spacing: 2px; }
.ci-value { margin-top: 4px; font-size: 15px; color: var(--ink); line-height: 1.7; }

.qr-card { padding: 32px; text-align: center; }
.qr-box {
  width: 190px; height: 190px;
  margin: 0 auto 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(62,107,79,0.12) 1px, transparent 1px),
    linear-gradient(rgba(62,107,79,0.12) 1px, transparent 1px),
    #fff;
  background-size: 12px 12px;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px;
  color: var(--ink-soft);
  font-size: 12px; letter-spacing: 2px;
}
.qr-box { position: relative; }
.qr-box img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; border-radius: 12px; background: #fff; z-index: 2; }
.qr-box .qr-fallback { position: relative; z-index: 1; width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.qr-box .qr-logo { width: 44px; height: 44px; border-radius: 8px; margin-bottom: 4px; }

.qr-tip { font-size: 13.5px; color: var(--ink-mid); letter-spacing: 1px; }
.qr-sub { margin-top: 6px; font-size: 12px; color: var(--ink-soft); }

/* ============================================================
   表单
   ============================================================ */
.form-item { margin-bottom: 22px; }

.form-label { display: block; font-size: 13.5px; color: var(--ink-mid); letter-spacing: 2px; margin-bottom: 9px; }
.form-label .req { color: var(--red); margin-left: 4px; }

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 13px 18px;
  font-size: 14.5px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  background: #fff;
  border-color: var(--green-light);
  box-shadow: 0 0 0 4px rgba(62, 107, 79, 0.1);
}

.form-textarea { min-height: 130px; resize: vertical; line-height: 1.8; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-error { display: none; margin-top: 6px; font-size: 12.5px; color: var(--red); }

/* Toast */
.toast {
  position: fixed;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  z-index: 999;
  background: rgba(43, 58, 48, 0.94);
  color: #fdfbf5;
  padding: 18px 34px;
  border-radius: 14px;
  font-size: 14.5px;
  letter-spacing: 2px;
  opacity: 0;
  pointer-events: none;
  transition: all .3s ease;
  box-shadow: 0 12px 40px rgba(20, 30, 22, 0.35);
  text-align: center;
  max-width: 86vw;
}

.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ============================================================
   页脚
   ============================================================ */
.site-footer { background: #2c3b31; color: rgba(253, 251, 245, 0.72); padding: 72px 0 30px; }

.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 44px; }

.footer-brand img { width: 52px; height: 52px; border-radius: 12px; margin-bottom: 16px; }
.footer-brand h4 { font-family: var(--serif); color: #fdfbf5; font-size: 21px; letter-spacing: 5px; margin-bottom: 10px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; color: rgba(253, 251, 245, 0.55); }

.footer-col h5 { color: #fdfbf5; font-size: 15px; letter-spacing: 3px; margin-bottom: 20px; font-weight: 600; }
.footer-col a { display: block; padding: 5px 0; font-size: 13.5px; color: rgba(253, 251, 245, 0.62); letter-spacing: 1px; transition: color .25s ease; }
.footer-col a:hover { color: #fdfbf5; }

.footer-bottom {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid rgba(253, 251, 245, 0.12);
  text-align: center;
  font-size: 12.5px;
  letter-spacing: 2px;
  color: rgba(253, 251, 245, 0.45);
}

/* ============================================================
   登录页
   ============================================================ */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 110px 20px 60px;
  position: relative;
  background: var(--bg);
}

.login-card {
  width: 100%;
  max-width: 460px;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(50, 45, 35, 0.14);
  border: 1px solid rgba(236, 227, 205, 0.7);
  padding: 46px 44px 44px;
}

.login-head { text-align: center; margin-bottom: 34px; }
.login-head img { width: 60px; height: 60px; border-radius: 14px; margin: 0 auto 16px; box-shadow: var(--shadow-sm); }
.login-head h2 { font-family: var(--serif); font-size: 24px; letter-spacing: 5px; }
.login-head p { margin-top: 8px; font-size: 13px; color: var(--ink-soft); letter-spacing: 2px; }

.login-tabs {
  display: flex;
  background: var(--bg);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 26px;
}
.login-tab {
  flex: 1; text-align: center;
  padding: 8px 0;
  font-size: 14px; letter-spacing: 2px;
  color: var(--ink-mid);
  border-radius: 999px;
  background: transparent;
  border: none;
  transition: all .25s ease;
}
.login-tab.on { background: var(--green); color: #fff; box-shadow: 0 4px 12px rgba(62, 107, 79, 0.3); }

.login-help { margin-top: 18px; text-align: center; font-size: 12.5px; color: var(--ink-soft); letter-spacing: 1px; }

.login-demo-tip {
  margin-top: 24px;
  padding: 12px 16px;
  background: rgba(62, 107, 79, 0.06);
  border: 1px dashed rgba(62, 107, 79, 0.35);
  border-radius: 10px;
  font-size: 12.5px;
  color: var(--green);
  letter-spacing: 1px;
  text-align: center;
  line-height: 1.8;
}

.login-submit { width: 100%; margin-top: 8px; }

/* 登录页：左右分栏 */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}

.login-visual {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.login-visual-bg {
  position: absolute; inset: 0;
  background-position: center;
  background-size: cover;
}

.login-visual-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(38, 52, 41, 0.52), rgba(30, 40, 33, 0.6));
}

.login-visual-content {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 40px 56px;
  color: #fdfbf5;
}

.login-visual-content .lv-brand { display: flex; align-items: center; gap: 12px; }
.login-visual-content .lv-brand img { width: 46px; height: 46px; border-radius: 10px; }
.login-visual-content .lv-brand b { font-family: var(--serif); font-size: 20px; letter-spacing: 4px; }
.login-visual-content .lv-brand span { font-size: 11.5px; color: rgba(253,251,245,.7); letter-spacing: 1px; }

.lv-quote h2 { font-family: var(--serif); font-size: clamp(24px, 3vw, 34px); letter-spacing: 5px; line-height: 1.6; }
.lv-quote p { margin-top: 14px; font-size: 13.5px; color: rgba(253,251,245,.75); letter-spacing: 2px; }

.lv-foot { font-size: 12px; letter-spacing: 2px; color: rgba(253,251,245,.55); }

.login-side {
  display: flex; align-items: center; justify-content: center;
  padding: 110px 40px 60px;
  background: var(--bg);
}

.login-side .login-card { box-shadow: 0 24px 64px rgba(50, 45, 35, 0.12); }

.login-back { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; margin-top: 24px; transition: color .25s ease; }
.login-back:hover { color: var(--green); }

.login-extra { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; font-size: 13px; color: var(--ink-soft); }
.login-extra label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.login-extra input { accent-color: var(--green); }
.login-extra a { color: var(--green); }

@media (max-width: 920px) {
  .login-page { grid-template-columns: 1fr; }
  .login-visual { display: none; }
  .login-side { padding-top: 110px; }
}

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 64px 48px;
  text-align: center;
  color: #fdfbf5;
  background:
    linear-gradient(135deg, rgba(47, 74, 60, 0.94), rgba(62, 107, 79, 0.9)),
    url("../assets/banner-contact.jpg") center / cover;
}

.cta-box::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(35, 50, 40, 0.42);
}

.cta-inner { position: relative; z-index: 2; }

.cta-inner h3 { font-family: var(--serif); font-size: 30px; letter-spacing: 5px; font-weight: 700; }
.cta-inner p { margin: 14px auto 32px; max-width: 560px; font-size: 14.5px; color: rgba(253, 251, 245, 0.78); line-height: 1.9; }

/* ============================================================
   动效：入场
   ============================================================ */
.reveal {
  opacity: 1;
  transform: none;
}

.d1, .d2, .d3, .d4 { }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .store-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .nav { gap: 20px; }
}

@media (max-width: 920px) {
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(253, 251, 245, 0.98);
    padding: 18px 28px 28px;
    gap: 4px;
    box-shadow: 0 18px 40px rgba(80, 60, 30, 0.16);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all .3s ease;
  }

  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 10px; font-size: 16px; }
  .nav-hamburger { display: block; margin-left: auto; }

  .nav-actions { display: none; }
  .nav-links .mobile-actions { display: flex; gap: 12px; margin-top: 14px; }
  .nav-links .mobile-actions .btn { flex: 1; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .contact-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}

@media (max-width: 620px) {
  .section { padding: 64px 0; }
  .feature-grid, .honor-grid, .prod-grid, .store-grid, .steps { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); padding: 36px 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .hero-title { letter-spacing: 5px; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero { min-height: 300px; }
  .contact-form { padding: 30px 22px; }
  .login-card { padding: 36px 26px; }
  .btn { width: 100%; justify-content: center; }
  .hero-btns .btn { width: auto; }
  .prod-foot, .media-foot { flex-direction: column; gap: 8px; align-items: flex-start; }
}

/* 打印与减少动效 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}