/* ============================================================
   天天食材供应链 官网 - 全局样式（PC + 移动端响应式）
   主色：基地绿 #0B7A43 / 深墨绿 #14332A / 强调橙 #F6A623
   ============================================================ */

:root {
  --green: #0b7a43;
  --green-600: #096636;
  --green-700: #0a5c33;
  --green-50: #e9f5ee;
  --ink: #16301f;
  --text: #4c5f55;
  --muted: #8aa093;
  --line: #e2ece5;
  --bg: #ffffff;
  --bg-soft: #f6faf7;
  --accent: #f6a623;
  --accent-600: #e0910b;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 10px 34px rgba(16, 60, 38, .08);
  --shadow-lg: 0 20px 54px rgba(16, 60, 38, .12);
  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.35; font-weight: 700; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.ico { flex: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 999px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-600); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11,122,67,.28); }
.btn-accent { background: var(--accent); color: #3d2c05; }
.btn-accent:hover { background: var(--accent-600); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(246,166,35,.32); }
.btn-outline { border-color: var(--green); color: var(--green); background: #fff; }
.btn-outline:hover { background: var(--green); color: #fff; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; background: rgba(255,255,255,.08); }
.btn-ghost:hover { background: #fff; color: var(--green-700); transform: translateY(-2px); }
.btn-sm { padding: 7px 16px; font-size: 13px; }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section-gray { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head h2 { font-size: 34px; margin-bottom: 12px; letter-spacing: .5px; }
.section-head p { color: var(--muted); font-size: 15px; }
.section-more { text-align: center; margin-top: 44px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 3px;
  color: var(--green); background: var(--green-50); padding: 6px 16px; border-radius: 999px;
  margin-bottom: 16px;
}
.section-head .eyebrow { margin-bottom: 18px; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 顶部条 / 头部 ---------- */
.topbar { background: var(--green-700); color: #dceee3; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 12px; }
.topbar-contact { display: flex; gap: 20px; }
.topbar-contact a { display: inline-flex; align-items: center; gap: 6px; color: #dceee3; transition: color .2s; }
.topbar-contact a:hover { color: #fff; }
.topbar-contact .ico { width: 14px; height: 14px; }

.header-main { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 20px; }
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo-ico { width: 46px; height: 46px; border-radius: 12px; object-fit: cover; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 21px; color: var(--ink); letter-spacing: .5px; }
.logo-text small { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  padding: 10px 16px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--ink);
  transition: all .2s;
}
.site-nav a:hover { color: var(--green); background: var(--green-50); }
.site-nav a.active { color: #fff; background: var(--green); }
.site-nav .nav-cta { background: var(--accent); color: #3d2c05; font-weight: 600; }
.site-nav .nav-cta:hover { background: var(--accent-600); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页轮播 ---------- */
.hero-slider { position: relative; overflow: hidden; background: var(--green-700); }
.hero-track { display: flex; transition: transform .7s cubic-bezier(.4,0,.2,1); }
.hero-slide { position: relative; min-width: 100%; min-height: 560px; display: flex; align-items: center; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,46,28,.88) 8%, rgba(10,46,28,.55) 48%, rgba(10,46,28,.18) 100%); }
.hero-slide.grad-1 { background: linear-gradient(120deg, #0b5e38 0%, #0f8a4d 55%, #35a86a 100%); }
.hero-slide.grad-2 { background: linear-gradient(120deg, #14473a 0%, #167a4c 55%, #2e9d6a 100%); }
.hero-slide.grad-3 { background: linear-gradient(120deg, #0a4a33 0%, #0d7a4a 55%, #57b47c 100%); }
.hero-caption { position: relative; z-index: 2; max-width: 640px; color: #fff; }
.hero-caption h1 { color: #fff; font-size: 52px; line-height: 1.2; margin-bottom: 18px; letter-spacing: 1px; }
.hero-caption p { font-size: 19px; color: rgba(255,255,255,.92); margin-bottom: 34px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.1); color: #fff; font-size: 26px; line-height: 1;
  display: flex; align-items: center; justify-content: center; transition: all .25s; padding-bottom: 3px;
}
.hero-arrow:hover { background: #fff; color: var(--green-700); }
.hero-prev { left: 22px; }
.hero-next { right: 22px; }
.hero-dots { position: absolute; bottom: 26px; left: 0; right: 0; z-index: 3; display: flex; justify-content: center; gap: 9px; }
.hero-dots button { width: 10px; height: 10px; border-radius: 999px; border: 0; background: rgba(255,255,255,.45); transition: all .3s; padding: 0; }
.hero-dots button.active { width: 26px; background: #fff; }

/* ---------- 数据统计条 ---------- */
.stats-band { background: var(--green-700); padding: 52px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num { font-size: 46px; font-weight: 800; color: #fff; line-height: 1.2; }
.stat-num span { font-variant-numeric: tabular-nums; }
.stat-label { color: rgba(255,255,255,.82); font-size: 14px; letter-spacing: 2px; margin-top: 6px; }

/* ---------- 关于简介（首页） ---------- */
.about-intro { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-media img { width: 100%; height: 460px; object-fit: cover; }
.about-media .about-badge {
  position: absolute; left: 22px; bottom: 22px; background: rgba(255,255,255,.95); border-radius: 14px;
  padding: 14px 20px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 12px;
}
.about-badge .num { font-size: 26px; font-weight: 800; color: var(--green); line-height: 1.1; }
.about-badge .txt { font-size: 13px; color: var(--text); }
.about-text h2 { font-size: 32px; margin-bottom: 18px; }
.about-text p { color: var(--text); margin-bottom: 16px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin: 24px 0 30px; }
.about-points li { display: flex; align-items: center; gap: 9px; font-weight: 600; color: var(--ink); }
.about-points .ico { color: var(--green); }

/* ---------- 卡片：产品 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .3s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-media { position: relative; aspect-ratio: 4 / 3; background-size: cover; background-position: center; background-color: #eef5f0; }
.card-media.media-16 { aspect-ratio: 16 / 10; }
.card-media.empty-media { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #e9f5ee, #d7ecdf); }
.empty-label { font-size: 22px; font-weight: 700; color: rgba(11,122,67,.55); letter-spacing: 2px; }
.card-tag { position: absolute; top: 12px; left: 12px; background: rgba(11,122,67,.92); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 999px; }
.card-body { padding: 18px 20px 20px; }
.card-body h3 { font-size: 17px; margin-bottom: 6px; transition: color .2s; }
.card:hover .card-body h3 { color: var(--green); }
.card-meta { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.card-more { display: inline-block; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--green); }

/* ---------- 卡片：基地/厂房 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.play-badge {
  position: absolute; left: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px;
  background: rgba(10,46,28,.78); color: #fff; font-size: 12px; padding: 6px 13px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.play-badge .ico { width: 14px; height: 14px; color: var(--accent); }
.info-card .card-media { aspect-ratio: 16 / 10; }

/* ---------- 服务优势 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px; transition: all .3s; }
.feat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.feat-ico {
  width: 58px; height: 58px; border-radius: 16px; background: var(--green-50); color: var(--green);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px; transition: all .3s;
}
.feat-ico .ico { width: 28px; height: 28px; }
.feat-card:hover .feat-ico { background: var(--green); color: #fff; }
.feat-card h3 { font-size: 18px; margin-bottom: 10px; }
.feat-card p { font-size: 14px; color: var(--muted); }

/* ---------- 合作流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; text-align: center; position: relative; transition: all .3s; }
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step-num {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--green); color: #fff; font-size: 19px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ---------- CTA 条 ---------- */
.cta-strip { background: linear-gradient(110deg, var(--green-700), #0f8a4d); padding: 58px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: 28px; margin-bottom: 8px; }
.cta-inner p { color: rgba(255,255,255,.85); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-actions .btn-ghost { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- 页脚（琉璃光晕） ---------- */
.site-footer.fc-footer {
  background: linear-gradient(155deg, #0c2b1e 0%, #103828 45%, #0a1f2e 100%);
  color: #c3d9cd; position: relative; overflow: hidden;
}
.site-footer.fc-footer::before {
  content: ""; position: absolute; left: 50%; top: -60%; width: 900px; height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(52, 209, 126, .12), transparent 60%);
  pointer-events: none;
}
.fc-footer .container { position: relative; }
.fc-top {
  display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 54px; padding: 70px 0 56px;
}
.fc-logo { font-size: 24px; font-weight: 700; letter-spacing: 3px; color: #f2f8f4; display: flex; align-items: center; gap: 12px; }
.fc-logo i { font-style: normal; color: #34d17e; }
.fc-logo-img { height: 38px; width: auto; }
.fc-desc { margin-top: 20px; font-size: 13px; line-height: 2.1; color: #9dbdb0; max-width: 430px; }
.fc-tags { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.fc-tags span {
  font-size: 11.5px; letter-spacing: 1px; color: #cfe9dc;
  border: 1px solid rgba(52, 209, 126, .3); border-radius: 999px;
  padding: 6px 14px; background: rgba(52, 209, 126, .06);
}
.fc-h { font-size: 12px; letter-spacing: 4px; color: #34d17e; margin-bottom: 26px; font-weight: 600; }
.fc-nav { display: flex; flex-direction: column; gap: 17px; }
.fc-nav a { font-size: 13.5px; color: #b8d3c6; text-decoration: none; transition: color .2s; }
.fc-nav a:hover { color: #34d17e; }
.fc-lines { display: flex; flex-direction: column; gap: 17px; }
.fc-line { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: #c3d9cd; }
.fc-line svg { color: #34d17e; width: 15px; height: 15px; flex: none; }
.fc-line a { color: #c3d9cd; text-decoration: none; }
.fc-line a:hover { color: #34d17e; }
.fc-bottom {
  border-top: 1px solid rgba(255, 255, 255, .07); position: relative;
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  padding: 24px 0 30px; font-size: 12px; color: #6f9383; letter-spacing: 1px;
}

/* ---------- 内页横幅 ---------- */
.page-hero {
  background:
    linear-gradient(115deg, rgba(10, 74, 51, .9) 0%, rgba(10, 74, 51, .62) 55%, rgba(15, 138, 77, .74) 100%),
    url('../../uploads/202611/hero_bg.jpg') center / cover no-repeat;
  padding: 66px 0 62px; color: #fff;
}
.page-hero-bases {
  background:
    linear-gradient(115deg, rgba(10, 74, 51, .9) 0%, rgba(10, 74, 51, .62) 55%, rgba(15, 138, 77, .74) 100%),
    url('../../uploads/202610/base_vegetable.jpg') center / cover no-repeat;
}
.page-hero-factories {
  background:
    linear-gradient(115deg, rgba(10, 74, 51, .9) 0%, rgba(10, 74, 51, .62) 55%, rgba(15, 138, 77, .74) 100%),
    url('../../uploads/202610/factory_sorting.jpg') center / cover no-repeat;
}
.page-hero-about {
  background:
    linear-gradient(115deg, rgba(10, 74, 51, .9) 0%, rgba(10, 74, 51, .62) 55%, rgba(15, 138, 77, .74) 100%),
    url('../../uploads/202610/factory_coldchain.jpg') center / cover no-repeat;
}
.page-hero-contact {
  background:
    linear-gradient(115deg, rgba(10, 74, 51, .9) 0%, rgba(10, 74, 51, .62) 55%, rgba(15, 138, 77, .74) 100%),
    url('../../uploads/202610/banner_main.jpg') center / cover no-repeat;
}
.page-hero h1 { color: #fff; font-size: 36px; margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,.85); font-size: 15px; }
.breadcrumb { margin-top: 14px; font-size: 13px; color: rgba(255,255,255,.75); display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .6; }

/* ---------- 筛选栏 ---------- */
.filter-bar { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 40px 0 30px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-tab { padding: 8px 18px; border-radius: 999px; font-size: 14px; border: 1px solid var(--line); color: var(--text); background: #fff; transition: all .2s; }
.cat-tab:hover { border-color: var(--green); color: var(--green); }
.cat-tab.active { background: var(--green); border-color: var(--green); color: #fff; }
.search-box { display: flex; gap: 8px; }
.search-box input { width: 220px; padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; outline: none; transition: border-color .2s; }
.search-box input:focus { border-color: var(--green); }
.search-box button { border: 0; background: var(--green); color: #fff; padding: 9px 20px; border-radius: 999px; font-size: 14px; }

/* ---------- 分页 ---------- */
.pager { display: flex; justify-content: center; gap: 8px; margin: 46px 0 10px; }
.pager a { min-width: 38px; height: 38px; padding: 0 8px; border: 1px solid var(--line); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; color: var(--text); transition: all .2s; }
.pager a:hover { border-color: var(--green); color: var(--green); }
.pager a.active { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- 详情页 ---------- */
.detail-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; padding: 52px 0 30px; }
.gallery-main { border-radius: var(--radius-lg); overflow: hidden; background: #eef5f0; aspect-ratio: 4 / 3; }
.gallery-main .empty-media { display: flex; align-items: center; justify-content: center; height: 100%; background: linear-gradient(135deg, #e9f5ee, #d7ecdf); }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.gallery-thumbs img { width: 84px; height: 64px; object-fit: cover; border-radius: 10px; cursor: pointer; border: 2px solid transparent; opacity: .75; transition: all .2s; }
.gallery-thumbs img.active, .gallery-thumbs img:hover { border-color: var(--green); opacity: 1; }

.info-panel h1 { font-size: 30px; margin-bottom: 16px; }
.meta-list { margin: 18px 0 24px; border-top: 1px dashed var(--line); }
.meta-item { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }
.meta-item .k { color: var(--muted); min-width: 84px; flex: none; }
.meta-item .v { color: var(--ink); font-weight: 500; }
.meta-item .price { color: var(--accent-600); font-weight: 700; font-size: 20px; }
.info-panel .desc { color: var(--text); font-size: 14.5px; line-height: 1.9; }
.detail-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.detail-body { padding: 44px 0 30px; }
.detail-title { display: flex; align-items: center; gap: 12px; font-size: 22px; margin-bottom: 22px; }
.detail-title::before { content: ""; width: 5px; height: 24px; border-radius: 3px; background: var(--green); }

.video-frame { aspect-ratio: 16 / 9; background: #0c2419; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.video-frame video { width: 100%; height: 100%; object-fit: contain; background: #0c2419; }

.feature-list li { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; font-size: 15px; color: var(--ink); }
.feature-list .ico { color: var(--green); margin-top: 4px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; transition: all .25s; }
.contact-card:hover { box-shadow: var(--shadow); border-color: transparent; }
.contact-card .ico-box { width: 48px; height: 48px; border-radius: 13px; background: var(--green-50); color: var(--green); display: flex; align-items: center; justify-content: center; flex: none; }
.contact-card .ico-box .ico { width: 22px; height: 22px; }
.contact-card h3 { font-size: 15px; margin-bottom: 4px; }
.contact-card p, .contact-card a { font-size: 14px; color: var(--text); word-break: break-all; }
.contact-card a:hover { color: var(--green); }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 34px 30px; box-shadow: var(--shadow); }
.contact-form h2 { font-size: 22px; margin-bottom: 6px; }
.contact-form .form-tip { color: var(--muted); font-size: 13px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; color: var(--ink); font-weight: 600; margin-bottom: 7px; }
.form-group label .req { color: #d9534f; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px;
  font-family: inherit; color: var(--ink); outline: none; background: #fff; transition: border-color .2s, box-shadow .2s;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(11,122,67,.12); }
.form-submit { margin-top: 6px; }

/* ---------- 空状态 / 未找到 ---------- */
.empty-tip { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 60px 0; font-size: 15px; }
.notfound { text-align: center; padding: 90px 20px; }
.notfound .big { font-size: 90px; font-weight: 800; color: var(--green-50); line-height: 1; }
.notfound p { color: var(--muted); margin: 10px 0 24px; }

/* ---------- Toast ---------- */
#toastBox { position: fixed; top: 26px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast { background: #1d2c24; color: #fff; padding: 12px 26px; border-radius: 999px; font-size: 14px; opacity: 0; transform: translateY(-12px); transition: all .3s; box-shadow: var(--shadow-lg); max-width: 88vw; }
.toast.show { opacity: 1; transform: none; }
.toast-ok { background: var(--green-600); }
.toast-err { background: #c0392b; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 992px) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 38px; }
  .hero-slide { min-height: 440px; }
  .hero-caption h1 { font-size: 40px; }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid, .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .about-media img { height: 380px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 768px) {
  body { font-size: 14.5px; }
  .topbar { display: none; }
  .header-main { position: relative; padding: 12px 16px; }
  .logo-text small { display: none; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0; z-index: 100;
    background: #fff; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px 16px 18px; box-shadow: var(--shadow-lg); border-top: 1px solid var(--line);
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 14px; border-radius: 10px; }
  .site-nav .nav-cta { text-align: center; }
  .hero-slide { min-height: 300px; }
  .hero-caption h1 { font-size: 30px; }
  .hero-caption p { font-size: 15px; margin-bottom: 24px; }
  .hero-btns .btn { padding: 10px 20px; font-size: 14px; }
  .hero-arrow { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .stat-num { font-size: 36px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .card-grid, .feat-grid { grid-template-columns: 1fr; gap: 16px; }
  .section-head h2 { font-size: 26px; }
  .about-text h2 { font-size: 25px; }
  .fc-top { grid-template-columns: 1fr; gap: 38px; padding: 50px 0 40px; }
  .fc-bottom { flex-direction: column; align-items: center; text-align: center; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .page-hero { padding: 44px 0; }
  .page-hero h1 { font-size: 27px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box input { width: 100%; flex: 1; }
  .detail-layout { padding-top: 34px; }
  .info-panel h1 { font-size: 24px; }
  .gallery-thumbs img { width: 66px; height: 52px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .prod-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card-body { padding: 14px 14px 16px; }
  .card-body h3 { font-size: 15px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 14px; }
  .step { padding: 22px 14px; }
  .about-points { grid-template-columns: 1fr; }
  .hero-caption h1 { font-size: 26px; }
  .hero-slide { min-height: 270px; }
  .contact-form { padding: 24px 18px; }
}

/* ============================================================
   悬浮客服（PC / 移动端）
   ============================================================ */
.float-kefu {
  position: fixed; right: 18px; bottom: 92px; z-index: 999;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.float-kefu-btns { display: flex; flex-direction: column; gap: 10px; }
.fk-btn {
  width: 52px; height: 52px; border-radius: 50%; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 6px 18px rgba(11, 122, 67, .35); position: relative; text-decoration: none;
  transition: transform .2s ease;
}
.fk-btn:hover { transform: translateY(-2px); }
.fk-btn svg { width: 24px; height: 24px; fill: currentColor; }
.fk-btn-wechat { background: linear-gradient(135deg, #22c55e, #0b7a43); }
.fk-btn-tel { background: linear-gradient(135deg, #f59e0b, #d97706); box-shadow: 0 6px 18px rgba(217, 119, 6, .35); }
.fk-tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%);
  white-space: nowrap; background: rgba(17, 24, 20, .78); color: #fff; font-size: 12px;
  padding: 6px 12px; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.fk-btn:hover .fk-tip { opacity: 1; }
.float-kefu-panel {
  width: 242px; background: #fff; border-radius: 16px; box-shadow: 0 12px 36px rgba(0, 0, 0, .18);
  padding: 16px; display: none;
}
.float-kefu-panel.open { display: block; animation: fkPop .25s ease; }
.fk-head { display: flex; justify-content: space-between; align-items: center; font-size: 15px; color: var(--ink); margin-bottom: 12px; }
.fk-close { border: none; background: none; font-size: 20px; color: var(--muted); cursor: pointer; line-height: 1; padding: 0 2px; }
.fk-qrcode { width: 100%; border-radius: 10px; border: 1px solid #eef2f0; display: block; }
.fk-qrcode-empty {
  height: 152px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; color: var(--muted); font-size: 13px; text-align: center;
  border: 1px dashed #cbd5cf; border-radius: 10px; background: #fafcfb;
}
.fk-qrcode-empty small { font-size: 11px; color: #9aa8a0; }
.fk-wechat { margin-top: 10px; font-size: 14px; color: var(--ink); text-align: center; }
.fk-wechat strong { color: #0b7a43; }
.fk-tel {
  display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 12px;
  background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; border-radius: 999px;
  padding: 10px 0; font-size: 14px; text-decoration: none;
}
.fk-tel svg { width: 16px; height: 16px; fill: currentColor; }
@keyframes fkPop {
  from { opacity: 0; transform: translateY(8px) scale(.96); }
  to { opacity: 1; transform: none; }
}
@media (max-width: 768px) {
  .float-kefu { right: 12px; bottom: 24px; gap: 10px; }
  .fk-btn { width: 48px; height: 48px; }
  .fk-btn svg { width: 22px; height: 22px; }
  .float-kefu-panel { width: 226px; }
}