/* ==============================================
   鲜美家 XMi · 官网样式（按官网文案规范重构）
   主色 #4CAF50 / 深绿 #2E7D32 / 浅绿 #E8F5E9
   ============================================== */

:root {
  --green: #4CAF50;
  --green-deep: #2E7D32;
  --green-soft: #43A047;
  --green-tint: #E8F5E9;
  --accent: #2E7D32;
  --bg: #F5F5F5;
  --white: #fff;
  --ink: #333333;
  --ink-soft: #666666;
  --line: #e3e8e4;
  --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: var(--white); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--green-deep); color: rgba(255,255,255,.82); font-size: 12.5px; }
.topbar-inner { display: flex; justify-content: space-between; padding: 8px 0; letter-spacing: .06em; flex-wrap: wrap; gap: 8px; }
.topbar a { color: #d9f5dd; font-weight: 600; }
.topbar a:hover { color: #fff; }

/* ---------- 导航 ---------- */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); box-shadow: 0 1px 12px rgba(46,125,50,.06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 13px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 46px; height: 46px; border-radius: 12px; flex: none; background: linear-gradient(135deg, var(--green), var(--green-soft)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 17px; letter-spacing: .02em; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 12px; background: #fff; }
.brand-text .brand-cn { font-size: 21px; font-weight: 800; color: var(--green-deep); letter-spacing: .1em; display: block; line-height: 1.25; }
.brand-text .brand-en { font-size: 11px; color: var(--green-soft); letter-spacing: .22em; }
.nav-links { display: flex; gap: 26px; list-style: none; }
.nav-links a { font-size: 14.5px; color: var(--ink-soft); padding-bottom: 4px; border-bottom: 2px solid transparent; transition: all .2s ease; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--green-deep); border-bottom-color: var(--green); }
.nav-cta { background: var(--green); color: #fff; padding: 10px 24px; font-size: 14px; letter-spacing: .08em; border-radius: 999px; transition: all .25s ease; white-space: nowrap; }
.nav-cta:hover { background: var(--green-deep); }

/* ---------- 汉堡按钮（≤960px 显示） ---------- */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; padding: 0 10px; background: transparent; border: 1.5px solid var(--line); border-radius: 10px; cursor: pointer; flex: none; }
.nav-toggle span { display: block; height: 2px; border-radius: 2px; background: var(--green-deep); transition: transform .25s ease, opacity .2s ease; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 Banner（HTML 文案 + 图标条） ---------- */
.banner-hero { position: relative; background: linear-gradient(118deg, #5eb74d 0%, #3fa03a 48%, #255d20 100%); overflow: hidden; }
.banner-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 24%, rgba(255,255,255,.10) 0 260px, transparent 261px), radial-gradient(circle at 8% 92%, rgba(255,255,255,.07) 0 180px, transparent 181px); }
.bh-inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 44px; padding: 88px 0 100px; }
.bh-copy { flex: 1 1 54%; min-width: 0; }
.bh-kicker { color: #dff5dc; font-size: 14px; font-weight: 600; letter-spacing: .3em; margin-bottom: 22px; }
.bh-title { color: #fff; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.22; font-weight: 800; letter-spacing: .04em; text-shadow: 0 3px 14px rgba(20,60,16,.28); }
.bh-sub { margin-top: 20px; color: rgba(255,255,255,.92); font-size: clamp(14px, 1.4vw, 17px); letter-spacing: .04em; }
.bh-btns { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.bh-btn-solid { background: #fff; color: var(--green-deep); font-weight: 700; box-shadow: 0 8px 22px rgba(18,58,14,.28); }
.bh-btn-solid:hover { background: #eefbea; transform: translateY(-2px); }
.bh-btn-line { border: 1.5px solid rgba(255,255,255,.85); color: #fff; background: transparent; }
.bh-btn-line:hover { background: rgba(255,255,255,.14); }
.bh-art { flex: 0 1 42%; min-width: 0; width: 100%; height: auto; filter: drop-shadow(0 6px 18px rgba(15,50,12,.22)); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- 首屏 ---------- */
.hero { position: relative; min-height: 78vh; display: flex; align-items: center; overflow: hidden; background: linear-gradient(115deg, #0e3a13 0%, #1c5e23 48%, #2e7d32 100%); }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 82% 20%, rgba(255,255,255,.08) 0 220px, transparent 221px), radial-gradient(circle at 12% 88%, rgba(255,255,255,.06) 0 160px, transparent 161px); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; width: 100%; }
.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 560px; height: auto; }
.hero-content { position: relative; z-index: 2; padding: 90px 0; max-width: 700px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; color: #cdebcd; font-size: 13px; letter-spacing: .3em; margin-bottom: 26px; }
.hero-kicker::before { content: ""; width: 34px; height: 2px; background: var(--green); }
.hero-title { color: #fff; font-size: clamp(34px, 4.8vw, 56px); line-height: 1.3; font-weight: 800; letter-spacing: .05em; }
.hero-title em { font-style: normal; color: #a5e8aa; }
.hero-sub { margin-top: 22px; color: rgba(255,255,255,.88); font-size: 16.5px; letter-spacing: .05em; max-width: 560px; font-weight: 500; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 15px 40px; font-size: 15px; letter-spacing: .15em; border-radius: 999px; cursor: pointer; transition: all .28s ease; border: none; font-family: var(--sans); text-align: center; }
.btn-green { background: var(--green); color: #fff; box-shadow: 0 8px 24px rgba(76,175,80,.35); }
.btn-green:hover { background: var(--green-deep); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.65); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: var(--green); color: #cdebcd; }

/* ---------- 数据看板 ---------- */
.stats-band { background: var(--green-tint); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 44px 10px; border-left: 1px solid #d5e8d8; }
.stat:first-child { border-left: none; }
.stat-num { font-size: 42px; font-weight: 800; color: var(--green-deep); line-height: 1.1; }
.stat-num small { font-size: 19px; font-weight: 700; margin-left: 2px; }
.stat-label { margin-top: 6px; color: var(--ink-soft); font-size: 14px; letter-spacing: .2em; }

/* ---------- 通用 ---------- */
.section { padding: 96px 0; }
.section.tinted { background: var(--bg); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 60px; }
.kicker { color: var(--accent); font-size: 13px; letter-spacing: .5em; display: block; margin-bottom: 16px; font-weight: 600; }
.section-title { font-size: clamp(25px, 3.1vw, 36px); color: #222; letter-spacing: .05em; line-height: 1.45; }
.section-desc { margin-top: 16px; color: var(--ink-soft); font-size: 15.5px; }

/* ---------- 六大优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.adv { text-align: center; padding: 10px 6px; }
.adv-icon { width: 84px; height: 84px; margin: 0 auto 16px; border-radius: 50%; background: var(--green-tint); display: flex; align-items: center; justify-content: center; font-size: 38px; transition: all .28s ease; }
.adv:hover .adv-icon { background: var(--green); box-shadow: 0 10px 26px rgba(76,175,80,.3); }
.adv h3 { font-size: 17px; color: #222; margin-bottom: 8px; letter-spacing: .06em; }
.adv p { font-size: 13px; color: var(--ink-soft); }

/* ---------- 品类卡片 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.cat-card { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 36px 32px; transition: all .28s ease; }
.cat-card:hover { transform: translateY(-6px); box-shadow: 0 20px 42px rgba(46,125,50,.13); border-color: var(--green); }
.cat-icon { width: 58px; height: 58px; border-radius: 16px; background: var(--green-tint); display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 18px; }
.cat-card h3 { font-size: 19px; color: #222; margin-bottom: 6px; letter-spacing: .05em; }
.cat-card p { font-size: 13.5px; color: var(--ink-soft); }

/* 品类详情（服务品类页） */
.cat-detail { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 40px 42px; margin-bottom: 26px; display: grid; grid-template-columns: 70px 1fr; gap: 26px; }
.cat-detail .cat-icon { margin-bottom: 0; width: 70px; height: 70px; font-size: 34px; }
.cat-detail h3 { font-size: 21px; color: var(--green-deep); margin-bottom: 14px; letter-spacing: .05em; }
.spec-row { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 8px 0; font-size: 14.5px; border-top: 1px dashed var(--line); }
.spec-row:first-of-type { border-top: none; }
.spec-row b { color: var(--green-deep); font-weight: 600; white-space: nowrap; }
.spec-row span { color: var(--ink-soft); }

/* ---------- 为什么选择 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 34px 30px; display: flex; gap: 18px; align-items: flex-start; transition: all .25s ease; }
.why:hover { border-color: var(--green); box-shadow: 0 16px 36px rgba(46,125,50,.12); }
.why-icon { font-size: 30px; flex: none; margin-top: 2px; }
.why h3 { font-size: 17px; color: #222; margin-bottom: 6px; }
.why p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 资质认证墙 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.cert { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 22px 10px; text-align: center; transition: all .25s ease; }
.cert:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: 0 12px 26px rgba(46,125,50,.12); }
.cert-icon { font-size: 26px; margin-bottom: 8px; }
.cert h4 { font-size: 13.5px; color: var(--green-deep); font-weight: 600; line-height: 1.5; }

/* ---------- 客户 ---------- */
.client-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.client-group { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 32px 34px; }
.client-group h3 { font-size: 18px; color: var(--green-deep); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.client-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.client-tag { background: var(--green-tint); color: var(--green-deep); font-size: 13.5px; padding: 8px 16px; border-radius: 999px; }
.client-tag b { color: var(--accent); font-weight: 700; }

/* 案例卡 */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case-card { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 32px 26px; transition: all .28s ease; }
.case-card:hover { transform: translateY(-6px); box-shadow: 0 20px 42px rgba(46,125,50,.13); }
.case-icon { font-size: 34px; margin-bottom: 14px; }
.case-card h3 { font-size: 18px; color: #222; margin-bottom: 10px; letter-spacing: .04em; }
.case-card p { font-size: 13.5px; color: var(--ink-soft); min-height: 84px; }
.case-list { list-style: none; border-top: 1px dashed var(--line); padding-top: 14px; }
.case-list li { font-size: 13px; color: var(--ink-soft); padding: 4px 0; display: flex; justify-content: space-between; gap: 8px; }
.case-list li b { color: var(--green-deep); white-space: nowrap; font-weight: 600; }

/* 客户证言 */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote-card { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 36px 32px; position: relative; }
.quote-card::before { content: "“"; position: absolute; top: 12px; left: 22px; font-size: 64px; color: var(--green-tint); font-family: serif; line-height: 1; }
.quote-card p { font-size: 14.5px; color: var(--ink); position: relative; }
.quote-card footer { margin-top: 18px; font-size: 13px; color: var(--green-deep); font-weight: 600; text-align: right; }

/* ---------- 分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 62px; }
.split-img img { width: 100%; border-radius: 22px; box-shadow: 0 26px 52px rgba(24,68,26,.18); }

/* ---------- 关于页图组：一大三小 ---------- */
.gallery-stack { display: flex; flex-direction: column; gap: 14px; }
.gallery-stack .g-main { aspect-ratio: auto; height: auto; }
.gallery-stack .g-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery-stack .g-row img { aspect-ratio: auto; height: auto; object-fit: contain; border-radius: 14px; box-shadow: 0 14px 28px rgba(24,68,26,.14); transition: transform .25s ease; }
.gallery-stack .g-row img:hover { transform: translateY(-4px); }
.split h1, .split h2 { font-size: clamp(23px, 2.8vw, 33px); color: #222; letter-spacing: .05em; line-height: 1.5; margin-bottom: 20px; }
.split p { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 14px; }
.check-list { list-style: none; margin-top: 24px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; padding: 9px 0; font-size: 15px; }
.check-list li::before { content: "✓"; color: #fff; background: var(--green); min-width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; margin-top: 5px; }

/* ---------- 配送流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.step { text-align: center; padding: 0 10px; position: relative; }
.step::before { content: ""; position: absolute; top: 29px; left: calc(-50% + 32px); right: calc(50% + 32px); height: 2px; background: repeating-linear-gradient(90deg, var(--green) 0 8px, transparent 8px 16px); }
.step:first-child::before { display: none; }
.step-dot { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%; background: var(--white); border: 2px solid var(--green); display: flex; align-items: center; justify-content: center; font-size: 24px; position: relative; z-index: 2; }
.step h4 { font-size: 16px; color: #222; margin-bottom: 5px; }
.step p { font-size: 12.5px; color: var(--ink-soft); }

/* ---------- 时间表 ---------- */
.data-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: 16px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.data-table th { background: var(--green); color: #fff; font-size: 14px; letter-spacing: .08em; padding: 15px 20px; text-align: left; font-weight: 600; }
.data-table td { padding: 15px 20px; font-size: 14.5px; border-top: 1px solid var(--line); color: var(--ink-soft); }
.data-table tr:hover td { background: var(--green-tint); color: var(--green-deep); }

/* ---------- 发展历程 ---------- */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 32px 26px; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 7px; width: 18px; height: 18px; border-radius: 50%; background: var(--green); border: 4px solid var(--white); box-shadow: 0 0 0 2px var(--green); }
.tl-year { font-size: 20px; font-weight: 800; color: var(--green-deep); letter-spacing: .05em; }
.tl-item h4 { font-size: 17px; color: #222; margin: 4px 0 6px; }
.tl-item p { font-size: 14px; color: var(--ink-soft); }

/* ---------- 价值观卡 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-card { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 32px 26px; text-align: center; }
.value-icon { font-size: 30px; margin-bottom: 12px; }
.value-card h3 { font-size: 17px; color: var(--green-deep); margin-bottom: 8px; }
.value-card p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 新闻 ---------- */
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.news-item { display: flex; gap: 18px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 24px; transition: all .25s ease; }
.news-item:hover { border-color: var(--green); transform: translateY(-4px); }
.news-date { flex: none; text-align: center; background: var(--green-tint); border-radius: 12px; padding: 10px 14px; height: fit-content; }
.news-date b { display: block; font-size: 22px; color: var(--green-deep); line-height: 1.1; }
.news-date span { font-size: 11.5px; color: var(--ink-soft); }
.news-body h4 { font-size: 16.5px; color: #222; margin-bottom: 8px; line-height: 1.5; }
.news-body p { font-size: 13.5px; color: var(--ink-soft); }
.news-tag { display: inline-block; font-size: 11.5px; color: var(--green-deep); background: var(--green-tint); border-radius: 999px; padding: 2px 12px; margin-bottom: 8px; letter-spacing: .1em; font-weight: 600; }
.news-channel { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 46px; }
.news-channel .nc { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 22px 18px; text-align: center; }
.nc-icon { font-size: 26px; margin-bottom: 8px; }
.nc h4 { font-size: 15px; color: var(--green-deep); margin-bottom: 4px; }
.nc p { font-size: 12.5px; color: var(--ink-soft); }

/* ---------- 联系 / 询价 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 52px; }
.contact-card { background: var(--green-deep); border-radius: 22px; padding: 44px 40px; color: #fff; }
.contact-card h3 { font-size: 22px; margin-bottom: 8px; letter-spacing: .06em; }
.contact-card > p { color: rgba(255,255,255,.72); font-size: 14px; margin-bottom: 30px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.ci-icon { width: 44px; height: 44px; flex: none; border-radius: 12px; background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; font-size: 19px; }
.contact-item h4 { font-size: 14.5px; color: #cdebcd; letter-spacing: .06em; }
.contact-item p { font-size: 14px; color: rgba(255,255,255,.88); line-height: 1.7; }
.form { background: var(--white); border: 1px solid var(--line); border-radius: 22px; padding: 42px; box-shadow: 0 20px 44px rgba(46,125,50,.08); }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13.5px; letter-spacing: .1em; color: var(--green-deep); margin-bottom: 8px; font-weight: 600; }
.field input, .field textarea { width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); font-family: var(--sans); font-size: 14.5px; color: var(--ink); outline: none; transition: border .2s ease; }
.field input:focus, .field textarea:focus { border-color: var(--green); }
.field textarea { resize: vertical; min-height: 130px; }
.form .btn-green { width: 100%; }
.form-note { margin-top: 14px; font-size: 12.5px; color: var(--ink-soft); text-align: center; }

/* ---------- 右侧固定转化栏 ---------- */
.dock { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 210; display: flex; flex-direction: column; gap: 2px; }
.dock a, .dock button { width: 64px; padding: 12px 6px; background: var(--green-deep); border: none; color: #fff; font-size: 11.5px; text-align: center; cursor: pointer; font-family: var(--sans); transition: background .2s ease; line-height: 1.5; }
.dock a:hover, .dock button:hover { background: var(--green); }
.dock .d-icon { display: block; font-size: 18px; margin-bottom: 2px; }
.dock .d-top { background: #555; }

/* ---------- 在线咨询弹窗 ---------- */
.popup-mask { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 300; display: none; }
.popup { position: fixed; right: 28px; bottom: 28px; z-index: 310; width: 320px; background: #fff; border-radius: 18px; box-shadow: 0 24px 60px rgba(0,0,0,.22); padding: 30px 28px; display: none; }
.popup.show, .popup-mask.show { display: block; }
.popup h4 { font-size: 17px; color: var(--green-deep); margin-bottom: 10px; }
.popup p { font-size: 14px; color: var(--ink-soft); margin-bottom: 20px; }
.popup-btns { display: flex; gap: 10px; }
.popup-btns .btn { flex: 1; padding: 11px 0; font-size: 13.5px; }
.btn-line { border: 1.5px solid var(--line); color: var(--ink-soft); background: #fff; }
.popup-close { position: absolute; top: 10px; right: 14px; border: none; background: none; font-size: 18px; color: #aaa; cursor: pointer; }

/* ---------- 底部 CTA ---------- */
.cta-band { background: linear-gradient(115deg, var(--green-deep), var(--green-soft)); text-align: center; padding: 84px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 16px; border: 1px solid rgba(255,255,255,.3); border-radius: 20px; pointer-events: none; }
.cta-band h2 { color: #fff; font-size: clamp(23px, 3.1vw, 33px); letter-spacing: .08em; margin-bottom: 13px; }
.cta-band p { color: #cdebcd; font-size: 14.5px; letter-spacing: .12em; margin-bottom: 34px; }

/* ---------- 页面标题条 ---------- */
.page-hero { background: linear-gradient(118deg, #5eb74d 0%, #3fa03a 48%, #255d20 100%); text-align: center; padding: 76px 0; position: relative; overflow: hidden; }
.page-hero .kicker { color: #dff5dc; }
.page-hero h1 { color: #fff; font-size: clamp(27px, 3.6vw, 40px); letter-spacing: .12em; }
.page-hero p { color: rgba(255,255,255,.92); margin-top: 13px; font-size: 14.5px; letter-spacing: .14em; }

/* ---------- 页脚 ---------- */
.footer { background: #1b4318; color: rgba(255,255,255,.62); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 44px; margin-bottom: 44px; }
.footer .brand-cn { color: #fff; }
.footer .brand-en { color: #cdebcd; }
.footer .brand-mark { background: rgba(255,255,255,.1); }
.footer-about p { font-size: 13.5px; margin-top: 16px; max-width: 340px; }
.footer h4 { color: #fff; font-size: 14px; letter-spacing: .2em; margin-bottom: 16px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { font-size: 13.5px; transition: color .2s ease; }
.footer ul a:hover { color: #cdebcd; }
.footer-contact li { display: flex; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; display: flex; justify-content: space-between; font-size: 12.5px; letter-spacing: .05em; flex-wrap: wrap; gap: 10px; }
.footer-bottom .icp a { opacity: .72; transition: opacity .2s ease; }
.footer-bottom .icp a:hover { opacity: 1; }

/* ---------- 关于页标签页 ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.tab-btn { padding: 11px 26px; border: 1.5px solid var(--line); background: #fff; border-radius: 999px; font-size: 14.5px; color: var(--ink-soft); cursor: pointer; font-family: var(--sans); letter-spacing: .08em; transition: all .22s ease; }
.tab-btn.active, .tab-btn:hover { background: var(--green); border-color: var(--green); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.client-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.client-tags span { background: var(--green-tint); color: var(--green-deep); font-size: 12.5px; padding: 6px 14px; border-radius: 999px; letter-spacing: .05em; }

/* ---------- 实景图集 ---------- */
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.photo-grid figure { margin: 0; }
.photo-grid img { width: 100%; height: 260px; object-fit: cover; border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 14px 32px rgba(24,68,26,.12); transition: transform .28s ease; }
.photo-grid img:hover { transform: translateY(-5px); }
.photo-grid figcaption { text-align: center; font-size: 13.5px; color: var(--ink-soft); margin-top: 12px; letter-spacing: .06em; }

/* ---------- 证照展示 ---------- */
.doc-grid { display: flex; gap: 24px; max-width: 980px; margin: 0 auto; align-items: center; }
.doc-grid figure { margin: 0; flex: 1; }
.doc-grid img { width: 100%; border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(24,68,26,.1); transition: transform .25s ease; }
.doc-grid img:hover { transform: translateY(-4px); }
.doc-grid figcaption { text-align: center; font-size: 13.5px; color: var(--ink-soft); margin-top: 10px; letter-spacing: .06em; }

/* ---------- 溯源板块双证书并排 ---------- */
.cert-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: center; }
.cert-pair img { width: 100%; height: auto; border-radius: 12px !important; box-shadow: 0 10px 24px rgba(24,68,26,.14) !important; }

/* ---------- 证书分类展示 ---------- */
.license-group { margin-top: 44px; }
.license-group:first-of-type { margin-top: 0; }
.license-group-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.license-group-head h3 { font-size: 19px; color: var(--green-deep); font-weight: 700; }
.license-group-head .cnt { font-size: 12.5px; background: var(--green-tint); color: var(--green-deep); padding: 3px 14px; border-radius: 999px; font-weight: 600; }
.license-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.license-item { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 12px 12px 14px; text-align: center; transition: all .25s ease; }
.license-item:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: 0 12px 26px rgba(46,125,50,.14); }
.license-item a { display: block; }
.license-item img { width: 100%; border-radius: 8px; display: block; aspect-ratio: 3 / 4; object-fit: contain; background: #fff; }
.license-item h4 { font-size: 14px; color: var(--ink); margin: 10px 0 4px; font-weight: 600; line-height: 1.4; min-height: 40px; display: flex; align-items: center; justify-content: center; }
.license-item p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.65; margin: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-links { gap: 16px; }
  .adv-grid { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .cert-grid { grid-template-columns: repeat(4, 1fr); }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .license-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cat-grid, .why-grid, .client-groups, .news-list, .quote-grid, .value-grid { grid-template-columns: 1fr; }
  .cat-detail { grid-template-columns: 1fr; }
  .news-channel { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .step::before { display: none; }
  .split, .contact-wrap { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 12px; }
  .hero-art { display: none; }
  .hero-content { padding: 64px 0; }
  .photo-grid { grid-template-columns: 1fr; }
  .doc-grid { flex-direction: column; max-width: 560px; }
  .doc-grid figure:first-child { flex: 1 1 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: flex; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; padding: 4px 4% 10px; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 20px 34px rgba(20,60,16,.16); }
  body.nav-open .nav-links { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 14px 2px; font-size: 15px; border-bottom: none !important; }
  .bh-inner { flex-direction: column-reverse; gap: 22px; padding: 56px 0 64px; text-align: center; }
  .bh-copy { flex: none; }
  .bh-btns { justify-content: center; }
  .bh-art { flex: none; max-width: 440px; filter: drop-shadow(0 6px 18px rgba(15,50,12,.22)); }
  .section { padding: 66px 0; }
  .dock { display: none; }
  .popup { right: 16px; left: 16px; width: auto; }
}
@media (max-width: 700px) {
  .nav-cta { padding: 9px 16px; font-size: 13px; }
  .bh-title { font-size: clamp(30px, 8.4vw, 38px); }
  .bh-kicker { font-size: 12px; letter-spacing: .2em; }
  .bh-btns .btn { padding: 12px 26px; font-size: 13.5px; letter-spacing: .06em; }
}

@media (max-width: 600px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .license-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .steps, .stats { grid-template-columns: 1fr; }
  .gallery-stack .g-row { gap: 8px; }
  .gallery-stack { gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat { border-left: none; }
}

/* ---------- 供应链合作品牌 ---------- */
.brand-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.brand-card { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 26px 16px 20px; display: flex; flex-direction: column; align-items: center; text-align: center; transition: all .25s ease; }
.brand-card:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: 0 14px 30px rgba(46,125,50,.13); }
.brand-card img { max-width: 100%; height: 72px; width: auto; object-fit: contain; margin-bottom: 14px; }
.brand-card b { font-size: 15px; color: var(--ink); letter-spacing: .04em; }
.brand-card span { font-size: 12.5px; color: var(--ink-soft); margin-top: 3px; }

/* ---------- 滚动淡入 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.22,.68,.36,1); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 图片放大查看 ---------- */
.photo-grid img, .gallery-stack img, .cert-pair img, .doc-grid img, .split-img img { cursor: zoom-in; }
.lightbox { position: fixed; inset: 0; z-index: 999; display: none; align-items: center; justify-content: center; background: rgba(12,20,14,.9); backdrop-filter: blur(4px); padding: 48px 64px; }
.lightbox.show { display: flex; animation: lbIn .22s ease both; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lb-figure { margin: 0; max-width: min(960px, 100%); max-height: 100%; text-align: center; }
.lb-figure img { max-width: 100%; max-height: calc(100vh - 150px); width: auto; height: auto; margin: 0 auto; border-radius: 10px; background: #fff; box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.lb-figure figcaption { color: #e8f2e9; font-size: 14px; letter-spacing: .06em; margin-top: 16px; line-height: 1.6; }
.lb-close, .lb-prev, .lb-next { position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; cursor: pointer; font-size: 26px; line-height: 1; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; transition: background .2s ease, transform .2s ease; }
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,.26); }
.lb-close { top: 18px; right: 18px; font-size: 28px; }
.lb-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 14px; top: 50%; transform: translateY(-50%); }
.lb-prev:hover { transform: translateY(-50%) scale(1.08); }
.lb-next:hover { transform: translateY(-50%) scale(1.08); }

@media (max-width: 700px) {
  .lightbox { padding: 56px 12px 24px; }
  .lb-prev { left: 6px; } .lb-next { right: 6px; }
  .lb-close, .lb-prev, .lb-next { width: 38px; height: 38px; font-size: 22px; }
  .lb-figure img { max-height: calc(100vh - 140px); }
}

/* ===== 微信二维码弹窗（2026-10 新增） ===== */
.qr-mask { position: fixed; inset: 0; background: rgba(12, 32, 18, .55); backdrop-filter: blur(2px); z-index: 400; display: none; }
.qr-mask.show { display: block; }
.qr-modal { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.96); width: 360px; max-width: calc(100vw - 32px); background: #fff; border-radius: 20px; padding: 32px 28px 26px; box-shadow: 0 28px 70px rgba(10, 40, 20, .28); z-index: 410; display: none; text-align: center; }
.qr-modal.show { display: block; animation: qrIn .22s ease forwards; }
@keyframes qrIn { from { opacity: 0; transform: translate(-50%, -48%) scale(.96); } to { opacity: 1; transform: translate(-50%, -50%) scale(1); } }
.qr-modal h3 { font-size: 18px; color: var(--green-deep); margin-bottom: 8px; letter-spacing: .04em; }
.qr-sub { font-size: 13px; color: var(--ink-soft); margin-bottom: 18px; line-height: 1.6; }
.qr-box { width: 208px; height: 208px; margin: 0 auto 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.qr-box img { width: 100%; height: 100%; object-fit: contain; }
.qr-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 100%; height: 100%; padding: 18px; font-size: 13px; color: var(--ink-soft); line-height: 1.6; }
.qr-empty small { font-size: 11px; color: #97a89b; }
.qr-empty code { background: #eef5ef; padding: 1px 5px; border-radius: 4px; font-size: 10.5px; }
.qr-id { font-size: 14px; color: var(--ink); margin-bottom: 8px; }
.qr-id b { color: var(--green-deep); letter-spacing: .04em; }
.qr-copy { margin-left: 8px; padding: 3px 12px; font-size: 12px; border: 1px solid var(--green); color: var(--green); background: #fff; border-radius: 20px; cursor: pointer; font-family: var(--sans); transition: all .2s ease; }
.qr-copy:hover, .qr-copy.done { background: var(--green); color: #fff; }
.qr-note { font-size: 12.5px; color: var(--ink-soft); }
.qr-note a { color: var(--green-deep); font-weight: 700; }
.qr-close { position: absolute; top: 10px; right: 14px; border: none; background: none; font-size: 22px; line-height: 1; color: #a9b6ac; cursor: pointer; }
.qr-close:hover { color: var(--green-deep); }

/* ===== 询价表单状态（2026-10 新增） ===== */
.form-msg { margin-top: 12px; font-size: 13px; line-height: 1.6; display: none; text-align: center; border-radius: 10px; padding: 10px 12px; }
.form-msg.show { display: block; }
.form-msg.err { background: #fdeeec; color: #b03a2e; }
.form-success { text-align: center; padding: 34px 8px 10px; }
.form-success .fs-icon { font-size: 48px; margin-bottom: 14px; }
.form-success h3 { font-size: 20px; color: var(--green-deep); margin-bottom: 10px; }
.form-success p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.9; margin-bottom: 20px; }
.form-success p a { color: var(--green-deep); font-weight: 700; }
.form-success .btn { display: inline-block; }
.form button[disabled] { opacity: .65; cursor: not-allowed; transform: none !important; }

@media (max-width: 600px) {
  .qr-modal { padding: 28px 20px 22px; }
  .qr-box { width: 176px; height: 176px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .qr-modal.show { animation: none; transform: translate(-50%, -50%); }
}