/* ==========================================================================
   绿水青山生态农业 · 官网样式
   Guangxi Clear Water And Green Mountains Ecological Agriculture Co.,Ltd.
   设计令牌（Design Tokens） + 组件 + 响应式（768px 断点）
   ========================================================================== */
:root {
  /* 品牌色：生态绿为主，水蓝/科技蓝为辅 */
  --brand: #1FA463;
  --brand-600: #17885A;
  --brand-dark: #14824F;
  --brand-deep: #0C5A38;
  --cyan: #14A5B8;
  --blue: #1667FF;
  --gold: #F5A623;

  /* 文字与中性色 */
  --ink: #10251A;
  --text: #35443C;
  --muted: #6B7C72;
  --line: #E4EDE8;
  --bg: #FFFFFF;
  --bg-soft: #F4F9F6;
  --bg-green: #EFF7F2;

  /* 尺寸与效果 */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(16, 37, 26, .06);
  --shadow: 0 10px 34px rgba(16, 37, 26, .10);
  --shadow-lg: 0 24px 60px rgba(16, 37, 26, .16);
  --maxw: 1200px;
  --nav-h: 72px;
  --grad-brand: linear-gradient(120deg, #12A5B8 0%, #1FA463 45%, #0C5A38 100%);
  --grad-deep: linear-gradient(140deg, #0C5A38 0%, #10603C 55%, #14A5B8 140%);
}

/* ---------- 基础重置 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", "Source Han Sans CN", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .2px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; border-style: none; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.35; margin: 0 0 16px; letter-spacing: .5px; }
h1 { font-size: 44px; }
h2 { font-size: 34px; }
h3 { font-size: 22px; }
h4 { font-size: 18px; }
p { margin: 0 0 14px; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }

/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1360px; }
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.bg-soft { background: var(--bg-soft); }
.bg-green { background: var(--bg-green); }
.bg-deep { background: var(--grad-deep); color: #fff; }
.bg-deep h1, .bg-deep h2, .bg-deep h3, .bg-deep h4 { color: #fff; }
.grid { display: grid; gap: 26px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- 标题区 ---------- */
.sec-head { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.sec-head.left { margin-left: 0; text-align: left; }
.eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--brand); font-weight: 700; margin-bottom: 12px;
}
.eyebrow::before { content: ""; display: inline-block; width: 26px; height: 2px; background: var(--brand); vertical-align: middle; margin-right: 10px; }
.sec-head p.lead { color: var(--muted); font-size: 17px; margin: 0; }
.divider { width: 64px; height: 4px; border-radius: 4px; background: var(--grad-brand); margin: 18px auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 22px rgba(31, 164, 99, .28); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(31, 164, 99, .34); }
.btn-outline { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.btn-ghost { border-color: var(--brand); color: var(--brand); background: #fff; }
.btn-ghost:hover { background: var(--brand); color: #fff; }
.btn-white { background: #fff; color: var(--brand-deep); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- 顶部通栏 + 导航 ---------- */
.topbar { background: var(--brand-deep); color: rgba(255, 255, 255, .92); font-size: 13.5px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255, 255, 255, .4); display: inline-block; }

.nav {
  position: sticky; top: 0; z-index: 900; background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease;
}
.nav.scrolled { box-shadow: 0 6px 22px rgba(16, 37, 26, .08); }
.nav-inner { display: flex; align-items: center; height: var(--nav-h); gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo img { height: 44px; width: auto; }
.logo-text strong { display: block; font-size: 17px; color: var(--ink); letter-spacing: 1px; line-height: 1.2; }
.logo-text span { display: block; font-size: 11px; color: var(--muted); letter-spacing: 1.2px; }
.menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.menu > li { position: relative; }
.menu > li > a {
  display: flex; align-items: center; gap: 5px; padding: 10px 16px; font-size: 15.5px;
  color: var(--ink); font-weight: 500; border-radius: 8px; transition: all .2s;
}
.menu > li > a:hover, .menu > li > a.active { color: var(--brand); background: var(--bg-green); }
.dropdown {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px); min-width: 210px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden; transition: all .22s ease;
}
.menu > li:hover .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.dropdown a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 14.5px; color: var(--text); }
.dropdown a:hover { background: var(--bg-green); color: var(--brand); }
.dropdown a small { display: block; color: var(--muted); font-size: 12px; line-height: 1.5; }
.nav-cta { display: flex; align-items: center; gap: 12px; margin-left: 12px; }
.hamburger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 0; margin-left: auto; }
.hamburger i { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px auto; transition: .3s; }
.hamburger.on i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.on i:nth-child(2) { opacity: 0; }
.hamburger.on i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: var(--nav-h) 0 0 0; background: #fff; z-index: 880;
  padding: 20px 24px 40px; overflow-y: auto; transform: translateX(100%); transition: transform .32s ease;
}
.drawer.open { transform: translateX(0); }
.drawer li { border-bottom: 1px solid var(--line); }
.drawer li a { display: block; padding: 15px 4px; font-size: 16px; font-weight: 500; }
.drawer .sub a { padding-left: 22px; font-size: 14.5px; color: var(--muted); background: var(--bg-soft); }
.drawer-toggle { background: none; border: 0; position: absolute; right: 6px; top: 12px; padding: 8px; color: var(--muted); }
.drawer .grp { position: relative; }

/* ---------- 地区切换组件 ---------- */
.city-switch { display: flex; align-items: center; gap: 6px; font-size: 13.5px; color: rgba(255, 255, 255, .9); background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .18); padding: 5px 12px; border-radius: 999px; }
.city-switch:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.city-switch svg { width: 13px; height: 13px; }
.city-mask { position: fixed; inset: 0; background: rgba(10, 30, 20, .55); backdrop-filter: blur(3px); z-index: 1000; display: none; align-items: center; justify-content: center; padding: 20px; }
.city-mask.on { display: flex; }
.city-modal { background: var(--grad-deep); width: 100%; max-width: 620px; border-radius: 20px; padding: 34px 34px 30px; color: #fff; box-shadow: var(--shadow-lg); max-height: 86vh; overflow-y: auto; }
.city-modal h3 { color: #fff; font-size: 22px; margin-bottom: 6px; }
.city-modal .tip { color: rgba(255, 255, 255, .7); font-size: 13.5px; margin-bottom: 22px; }
.city-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(124px, 1fr)); gap: 10px; }
.city-grid button {
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); color: #fff;
  padding: 11px 8px; border-radius: 10px; font-size: 14px; transition: .2s;
}
.city-grid button:hover { background: rgba(255, 255, 255, .22); }
.city-grid button.on { background: #fff; color: var(--brand-deep); font-weight: 700; }
.city-close { position: absolute; }
.city-foot { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .16); color: rgba(255, 255, 255, .72); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 620px; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8, 40, 26, .88) 0%, rgba(8, 40, 26, .62) 45%, rgba(8, 40, 26, .28) 100%); }
.hero-inner { position: relative; z-index: 2; padding: 110px 0 90px; max-width: 720px; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .28); backdrop-filter: blur(4px); padding: 7px 18px; border-radius: 999px; font-size: 13.5px; margin-bottom: 22px; white-space: nowrap; }
.hero h1 { color: #fff; font-size: 52px; line-height: 1.25; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: #7BE3A6; }
.hero .lead { font-size: 18.5px; color: rgba(255, 255, 255, .86); margin-bottom: 30px; max-width: 600px; }
.hero-stats { display: flex; gap: 44px; margin-top: 44px; flex-wrap: wrap; }
.hero-stats div strong { display: block; font-size: 32px; color: #fff; font-weight: 700; letter-spacing: 1px; }
.hero-stats div span { font-size: 13.5px; color: rgba(255, 255, 255, .68); }

/* 通用内页 banner */
.page-hero { position: relative; color: #fff; padding: 96px 0 76px; overflow: hidden; background: var(--grad-deep); }
.page-hero::before { content: ""; position: absolute; inset: 0; background: url("../img/pattern.svg") repeat; opacity: .1; }
.page-hero img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .32; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 42px; margin-bottom: 12px; }
.page-hero p { color: rgba(255, 255, 255, .82); font-size: 17px; max-width: 640px; margin: 0; }
.crumb { font-size: 13.5px; color: rgba(255, 255, 255, .7); margin-bottom: 16px; }
.crumb a:hover { color: #fff; }

/* ---------- 数据条 ---------- */
.statbar { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.statbar .grid { grid-template-columns: repeat(5, 1fr); text-align: center; padding: 42px 0; gap: 10px; }
.statbar strong { display: block; font-size: 34px; color: var(--brand); font-weight: 700; letter-spacing: .5px; }
.statbar span { font-size: 14px; color: var(--muted); }

/* ---------- 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s ease; box-shadow: var(--shadow-sm); height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(31, 164, 99, .35); }
.card .ico {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(31, 164, 99, .14), rgba(20, 165, 184, .14));
}
.card .ico svg { width: 28px; height: 28px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.8px; margin-bottom: 14px; }
.card ul.feature { margin-top: 4px; }
.card ul.feature li { font-size: 14.5px; color: var(--text); padding-left: 20px; position: relative; margin-bottom: 7px; }
.card ul.feature li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 7px; height: 7px; border-radius: 2px; background: var(--brand); }
.card .more { color: var(--brand); font-size: 14.5px; font-weight: 600; }
.card .more:hover { text-decoration: underline; }

/* 图文卡 */
.imgcard { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); height: 100%; display: flex; flex-direction: column; transition: all .3s ease; box-shadow: var(--shadow-sm); }
.imgcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.imgcard .thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--bg-soft); }
.imgcard .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.imgcard:hover .thumb img { transform: scale(1.06); }
.imgcard .thumb .tag { position: absolute; left: 14px; top: 14px; background: rgba(12, 90, 56, .9); color: #fff; font-size: 12.5px; padding: 5px 12px; border-radius: 999px; }
.imgcard .body { padding: 22px 24px 26px; }
.imgcard .body h3 { font-size: 19px; }
.imgcard .body p { color: var(--muted); font-size: 14.8px; }
.imgcard .body .meta { font-size: 13px; color: var(--muted); margin-top: auto; padding-top: 14px; }

/* 解决方案详情行 */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.split.reverse .media { order: -1; }
.split .media { position: relative; }
.split .media img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.split .badge-float {
  position: absolute; left: -22px; bottom: -22px; background: #fff; border-radius: 14px; padding: 16px 20px;
  box-shadow: var(--shadow); display: flex; gap: 22px;
}
.split .badge-float strong { display: block; color: var(--brand); font-size: 24px; line-height: 1.2; }
.split .badge-float span { font-size: 12.5px; color: var(--muted); }
.split .body h2 { font-size: 32px; }
.split .body .lead { color: var(--muted); font-size: 17px; margin-bottom: 22px; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 12px; font-size: 15.5px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 26px 0; }
.stack .it { background: var(--bg-green); border-radius: var(--radius-sm); padding: 16px 18px; }
.stack .it b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 4px; }
.stack .it span { font-size: 13.5px; color: var(--muted); }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps .step { text-align: center; padding: 0 18px; position: relative; }
.steps .step .num {
  width: 58px; height: 58px; margin: 0 auto 18px; border-radius: 50%; background: #fff; color: var(--brand);
  border: 2px solid var(--brand); display: grid; place-items: center; font-size: 21px; font-weight: 700;
  position: relative; z-index: 2;
}
.steps .step h4 { font-size: 17px; margin-bottom: 6px; }
.steps .step p { font-size: 14px; color: var(--muted); }
.steps .step::after { content: ""; position: absolute; top: 28px; left: 50%; width: 100%; height: 1px; border-top: 2px dashed rgba(31, 164, 99, .32); z-index: 1; }
.steps .step:last-child::after { display: none; }

/* 表格 */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.price { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 660px; }
table.price th { background: var(--brand-deep); color: #fff; text-align: left; padding: 14px 18px; font-weight: 600; white-space: nowrap; }
table.price td { padding: 13px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.price tr:nth-child(even) td { background: #FAFDFB; }
table.price tr:hover td { background: var(--bg-green); }
table.price td.price { color: var(--brand); font-weight: 700; white-space: nowrap; }
.table-note { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* 标签组 */
.tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 34px; }
.tabs button { border: 1px solid var(--line); background: #fff; padding: 9px 20px; border-radius: 999px; font-size: 14.5px; color: var(--text); transition: .2s; }
.tabs button.on, .tabs button:hover { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 资质 */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; transition: .3s; }
.cert:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.cert img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #f2f5f3; cursor: zoom-in; }
.cert figcaption { padding: 12px 14px; font-size: 14px; color: var(--text); }
.honor { display: flex; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 18px; }
.honor .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--bg-green); flex: none; }
.honor b { display: block; font-size: 15.5px; color: var(--ink); }
.honor span { font-size: 13px; color: var(--muted); }

/* 时间轴 */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--cyan)); opacity: .4; }
.timeline .tl { position: relative; padding-bottom: 30px; }
.timeline .tl::before { content: ""; position: absolute; left: -30px; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--brand); }
.timeline .tl .year { color: var(--brand); font-weight: 700; font-size: 17px; }
.timeline .tl h4 { margin: 2px 0 6px; font-size: 16.5px; }
.timeline .tl p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* 联系 */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; }
.info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-item .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--bg-green); display: grid; place-items: center; flex: none; }
.info-item .ico svg { width: 22px; height: 22px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.info-item b { display: block; font-size: 15.5px; color: var(--ink); }
.info-item span, .info-item a { font-size: 14.8px; color: var(--muted); }
.form-card { background: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; color: var(--text); margin-bottom: 7px; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; background: #fff;
  transition: .2s; font-size: 15px;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(31, 164, 99, .12); }
.field textarea { min-height: 96px; resize: vertical; }
.form-tip { font-size: 13px; color: var(--muted); margin-top: 10px; }
.qrbox { display: flex; gap: 22px; flex-wrap: wrap; }
.qrbox .qr { text-align: center; }
.qrbox .qr img { width: 128px; height: 128px; border-radius: 12px; border: 1px solid var(--line); background: #fff; padding: 5px; }
.qrbox .qr span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 8px; }

/* 小程序 / 三端展示 */
.terminals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: center; }
.term { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-align: center; box-shadow: var(--shadow-sm); transition: .3s; }
.term:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.term img.shot { width: 100%; border-radius: 12px; margin-bottom: 16px; border: 1px solid var(--line); }
.term.phone img.shot { max-width: 170px; margin: 0 auto 16px; }
.term h4 { margin-bottom: 6px; }
.term p { font-size: 14px; color: var(--muted); margin: 0; }

/* 手机小程序 mockup */
.phone-mock {
  width: 290px; max-width: 100%; margin: 0 auto; border: 9px solid #0C5A38; border-radius: 36px;
  background: #fff; box-shadow: var(--shadow-lg); overflow: hidden; position: relative;
}
.phone-mock .pm-status { background: #0C5A38; color: rgba(255, 255, 255, .9); font-size: 11px; padding: 6px 16px; display: flex; justify-content: space-between; }
.phone-mock .pm-title { background: var(--grad-brand); color: #fff; padding: 14px 16px; }
.phone-mock .pm-title::before { content: "×  ···   ◯"; display: block; text-align: right; font-size: 11px; letter-spacing: 2px; color: rgba(255, 255, 255, .7); margin-bottom: 6px; }
.phone-mock .pm-title b { display: block; font-size: 17px; }
.phone-mock .pm-title span { font-size: 11.5px; color: rgba(255, 255, 255, .82); }
.phone-mock .pm-body { padding: 14px 16px 18px; background: #fff; }
.phone-mock .pm-hero { background: var(--bg-green); border-radius: 12px; padding: 12px 14px; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.phone-mock .pm-hero b { font-size: 14.5px; color: var(--ink); display: block; }
.phone-mock .pm-hero span { font-size: 11.5px; color: var(--muted); }
.phone-mock .pm-hero button { border: 0; background: var(--brand); color: #fff; border-radius: 999px; padding: 6px 12px; font-size: 12px; flex: none; }
.phone-mock .pm-entry { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.phone-mock .pm-entry div { border: 1px solid var(--line); border-radius: 12px; padding: 12px 10px; text-align: center; font-size: 13.5px; color: var(--ink); }
.phone-mock .pm-entry div i { display: block; font-style: normal; font-size: 22px; margin-bottom: 4px; }
.phone-mock .pm-list { margin-top: 12px; }
.phone-mock .pm-list .row { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text); padding: 8px 0; border-bottom: 1px dashed var(--line); }
.phone-mock .pm-list .row b { color: var(--brand); }
.phone-mock .pm-tab { display: flex; border-top: 1px solid var(--line); background: #fff; }
.phone-mock .pm-tab span { flex: 1; text-align: center; font-size: 11px; padding: 9px 0 7px; color: var(--muted); }
.phone-mock .pm-tab span.on { color: var(--brand); font-weight: 700; }

/* 架构分层 */
.arch { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.arch .layer { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px 18px; box-shadow: var(--shadow-sm); }
.arch .layer b { display: block; color: var(--brand); font-size: 15px; margin-bottom: 8px; }
.arch .layer ul li { font-size: 13.8px; color: var(--muted); padding: 4px 0 4px 14px; position: relative; }
.arch .layer ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }

/* CTA 条 */
.cta-band { position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; right: -80px; top: -80px; width: 380px; height: 380px; border-radius: 50%; background: rgba(255, 255, 255, .06); }
.cta-band .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { margin: 0 0 8px; }
.cta-band p { margin: 0; color: rgba(255, 255, 255, .8); }

/* Footer */
.footer { background: #0A1F16; color: rgba(255, 255, 255, .68); padding: 70px 0 0; font-size: 14.5px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer a:hover { color: #7BE3A6; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 46px; }
.footer .logo img { height: 46px; }
.footer p.f-desc { margin: 16px 0 18px; max-width: 340px; }
.footer ul li { margin-bottom: 11px; }
.footer .social { display: flex; gap: 12px; }
.footer .social span { width: 38px; height: 38px; border-radius: 10px; background: rgba(255, 255, 255, .1); display: grid; place-items: center; font-size: 12px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0 26px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13.5px; }

/* 回顶部 + 悬浮工具 */
.fab { position: fixed; right: 20px; bottom: 24px; z-index: 950; display: flex; flex-direction: column; gap: 10px; }
.fab button {
  width: 46px; height: 46px; border-radius: 50%; border: 0; color: #fff; display: grid; place-items: center;
  background: var(--brand); box-shadow: var(--shadow); transition: .25s;
}
.fab button:hover { background: var(--brand-dark); transform: translateY(-3px); }
.fab .to-top { opacity: 0; pointer-events: none; }
.fab .to-top.on { opacity: 1; pointer-events: auto; }
.fab svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 2; }

/* 图片灯箱 */
.lightbox { position: fixed; inset: 0; background: rgba(6, 20, 14, .9); z-index: 1100; display: none; align-items: center; justify-content: center; padding: 30px; }
.lightbox.on { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 10px; background: #fff; }
.lightbox .close { position: absolute; right: 26px; top: 22px; width: 42px; height: 42px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .16); color: #fff; font-size: 22px; }

/* 管理后台 */
.admin-wrap { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - var(--nav-h)); background: var(--bg-soft); }
.admin-side { background: #0A1F16; color: rgba(255, 255, 255, .75); padding: 26px 0; }
.admin-side h4 { color: #fff; padding: 0 22px 14px; font-size: 15px; border-bottom: 1px solid rgba(255, 255, 255, .1); margin-bottom: 12px; }
.admin-side button { width: 100%; text-align: left; background: none; border: 0; color: inherit; padding: 11px 22px; font-size: 14.5px; display: flex; justify-content: space-between; align-items: center; }
.admin-side button:hover, .admin-side button.on { background: rgba(255, 255, 255, .1); color: #fff; }
.admin-side button em { font-style: normal; font-size: 12px; color: rgba(255, 255, 255, .5); }
.admin-main { padding: 28px 32px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.admin-head h2 { font-size: 24px; margin: 0; }
.admin-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.admin-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.admin-list { margin-top: 18px; }
.admin-item { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 12px; background: #fff; display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.admin-item .meta b { display: block; font-size: 15px; color: var(--ink); }
.admin-item .meta span { font-size: 13px; color: var(--muted); }
.admin-item .ops { display: flex; gap: 8px; flex: none; }
.admin-item .ops button { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 5px 12px; font-size: 13px; color: var(--muted); }
.admin-item .ops button.del:hover { border-color: #E5533D; color: #E5533D; }
.admin-empty { color: var(--muted); text-align: center; padding: 30px 0; font-size: 14.5px; }
.admin-preview { margin-top: 20px; background: var(--bg-soft); border-radius: var(--radius-sm); padding: 18px; font-size: 14px; color: var(--muted); }

/* 响应式 */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .statbar .grid { grid-template-columns: repeat(3, 1fr); gap: 26px 10px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .media { order: 0; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .g2 { grid-template-columns: 1fr; }
  .contact-grid, .terminals { grid-template-columns: 1fr; gap: 34px; }
  .arch { grid-template-columns: repeat(2, 1fr); }
  .admin-wrap { grid-template-columns: 1fr; }
  .admin-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  body { font-size: 15.5px; }
  .container { padding: 0 18px; }
  .menu, .nav-cta { display: none; }
  .hamburger { display: block; }
  .section { padding: 56px 0; }
  .section-sm { padding: 36px 0; }
  h1 { font-size: 30px; }
  h2 { font-size: 25px; }
  .hero { min-height: 520px; }
  .hero-inner { padding: 70px 0 60px; }
  .hero h1 { font-size: 31px; }
  .hero .lead { font-size: 16.5px; line-height: 1.85; }
  .hero-stats { gap: 26px; margin-top: 30px; }
  .hero-stats div strong { font-size: 24px; }
  .page-hero { padding: 66px 0 46px; }
  .page-hero h1 { font-size: 27px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .steps .step::after { display: none; }
  .stack { grid-template-columns: 1fr; }
  .split .badge-float { position: static; margin-top: 14px; }
  .cert-grid { grid-template-columns: 1fr; }
  .statbar .grid { grid-template-columns: repeat(2, 1fr); column-gap: 12px; }
  .statbar .grid > div { padding: 0 4px; }
  .statbar strong { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .topbar .container { height: auto; padding: 8px 18px; flex-direction: column; align-items: flex-start; gap: 4px; }
  .topbar-right { display: none; }
  .logo img { height: 38px; }
  .logo-text span { display: none; }
  .admin-main { padding: 20px 18px; }
  .arch { grid-template-columns: 1fr; }
  .phone-mock { width: 100%; }
  .fab { right: 14px; bottom: 16px; }
  .city-modal { padding: 26px 20px 22px; }
  .qrbox { gap: 16px; }
}