/* ============================================================
   喜味智能零售 官网样式
   主题令牌：一套 CSS 变量，支持四套皮肤（data-skin）
   默认：支付宝蓝
   ============================================================ */

:root,
html[data-skin="alipay"] {
    --brand: #1677ff;
    --brand-dark: #0e5fd8;
    --brand-deep: #0a48a8;
    --brand-soft: rgba(22, 119, 255, 0.10);
    --brand-grad: linear-gradient(135deg, #1677ff 0%, #0a48a8 100%);
    --brand-grad-soft: linear-gradient(135deg, rgba(22, 119, 255, .12) 0%, rgba(10, 72, 168, .06) 100%);
    --ink: #1f2430;
    --muted: #667085;
    --line: #e6e9f0;
    --bg: #ffffff;
    --bg-soft: #f6f8fc;
    --radius: 14px;
    --shadow-sm: 0 2px 8px rgba(31, 45, 80, 0.06);
    --shadow-md: 0 12px 32px rgba(31, 45, 80, 0.10);
    --shadow-lg: 0 24px 60px rgba(22, 119, 255, 0.18);
}

html[data-skin="wine"] {
    --brand: #8c2d3f;
    --brand-dark: #6e2030;
    --brand-deep: #541722;
    --brand-soft: rgba(140, 45, 63, 0.10);
    --brand-grad: linear-gradient(135deg, #8c2d3f 0%, #541722 100%);
    --brand-grad-soft: linear-gradient(135deg, rgba(140, 45, 63, .12) 0%, rgba(84, 23, 34, .06) 100%);
    --shadow-lg: 0 24px 60px rgba(140, 45, 63, 0.18);
}

html[data-skin="hermes"] {
    --brand: #ea5b0c;
    --brand-dark: #c74e00;
    --brand-deep: #a03d00;
    --brand-soft: rgba(234, 91, 12, 0.10);
    --brand-grad: linear-gradient(135deg, #ea5b0c 0%, #c74e00 100%);
    --brand-grad-soft: linear-gradient(135deg, rgba(234, 91, 12, .12) 0%, rgba(199, 78, 0, .06) 100%);
    --shadow-lg: 0 24px 60px rgba(234, 91, 12, 0.18);
}

html[data-skin="wechat"] {
    --brand: #07c160;
    --brand-dark: #05a54f;
    --brand-deep: #047f3e;
    --brand-soft: rgba(7, 193, 96, 0.10);
    --brand-grad: linear-gradient(135deg, #07c160 0%, #05a54f 100%);
    --brand-grad-soft: linear-gradient(135deg, rgba(7, 193, 96, .12) 0%, rgba(5, 165, 79, .06) 100%);
    --shadow-lg: 0 24px 60px rgba(7, 193, 96, 0.18);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

img { max-width: 100%; height: auto; }

.site-container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* 顶栏 */
.site-topbar {
    background: #0e1a33;
    color: #9fb0c9;
    font-size: 13px;
    line-height: 36px;
}
.site-topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-topbar-links { display: flex; align-items: center; gap: 22px; }
.site-topbar-item { color: #9fb0c9; }
.site-topbar-item a { color: #9fb0c9; }
.site-topbar-item a:hover { color: #fff; }
.site-topbar-item .si-icon { margin-right: 5px; }

/* 主导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }

.site-brand { display: flex; align-items: center; gap: 10px; }
.site-brand-mark {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--brand-grad);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}
.site-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.site-brand-text strong { font-size: 18px; color: var(--ink); letter-spacing: .5px; }
.site-brand-text small { font-size: 10px; color: var(--muted); letter-spacing: 1.6px; }

.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav-link {
    display: block;
    padding: 8px 14px;
    color: var(--ink);
    font-size: 14.5px;
    font-weight: 500;
    border-radius: 8px;
    transition: color .2s, background .2s;
    white-space: nowrap;
}
.site-nav-link:hover { color: var(--brand); background: var(--brand-soft); }
.site-nav-link.active { color: var(--brand); background: var(--brand-soft); }

.site-nav-login { position: relative; margin-left: 10px; }
.site-login-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 9px 18px;
    border: 0;
    border-radius: 9px;
    background: var(--brand-grad);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform .2s, box-shadow .2s;
}
.site-login-btn:hover { transform: translateY(-1px); }
.site-login-caret { font-size: 11px; opacity: .85; }

.site-login-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: 300px;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
}
.site-nav-login.open .site-login-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.site-login-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 12px;
    border-radius: 10px;
    color: var(--ink);
    transition: background .2s;
}
.site-login-item:hover { background: var(--brand-soft); color: var(--brand-dark); }
.site-login-ico {
    flex: 0 0 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
}
.site-login-ico-pos { background: var(--brand-grad); }
.site-login-ico-vend { background: linear-gradient(135deg, #1f6feb 0%, #0a48a8 100%); }
.site-login-meta { display: flex; flex-direction: column; line-height: 1.3; }
.site-login-meta strong { font-size: 14px; }
.site-login-meta small { font-size: 12px; color: var(--muted); }

/* 汉堡按钮 */
.site-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px; height: 44px;
    padding: 0 10px;
    background: transparent;
    border: 0;
    cursor: pointer;
}
.site-nav-toggle span {
    display: block; height: 2px; width: 100%;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .25s, opacity .25s;
}
.site-nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav-toggle.open span:nth-child(2) { opacity: 0; }
.site-nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 主内容 */
.site-main { min-height: 60vh; }

/* 通用版块 */
.site-section { padding: 80px 0; }
.site-section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-eyebrow {
    display: inline-block;
    padding: 4px 14px;
    margin-bottom: 14px;
    border-radius: 20px;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
}
.section-title { font-size: 32px; font-weight: 700; margin: 0 0 12px; color: var(--ink); }
.section-subtitle { font-size: 16px; color: var(--muted); margin: 0; }

/* ---------- Hero 轮播 ---------- */
.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1200px 600px at 85% -10%, rgba(255, 255, 255, .18), transparent 60%),
        var(--brand-grad);
    color: #fff;
    padding: 0;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 75% 85% at 70% 40%, #000 15%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 75% 85% at 70% 40%, #000 15%, transparent 75%);
}
.hero::after {
    content: '';
    position: absolute;
    right: -120px; top: 40px;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .14), transparent 65%);
    filter: blur(10px);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .28);
    font-size: 13px;
    margin-bottom: 22px;
    backdrop-filter: blur(4px);
}
.hero-eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #4ade80; }
.hero h1 { font-size: 46px; font-weight: 800; line-height: 1.25; margin: 0 0 18px; }
.hero h1 em { font-style: normal; color: #ffd666; }
.hero p { font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, .88); margin: 0 0 34px; max-width: 540px; }
.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    transition: transform .2s, box-shadow .2s;
}
.hero-btn-primary { background: #fff; color: var(--brand-dark); box-shadow: 0 10px 30px rgba(0, 0, 0, .16); }
.hero-btn-primary:hover { transform: translateY(-2px); color: var(--brand-dark); }
.hero-btn-ghost { border: 1px solid rgba(255, 255, 255, .45); color: #fff; }
.hero-btn-ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; transform: translateY(-2px); }

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 340px;
}
.hero-phone {
    width: 280px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 30px;
    padding: 18px 14px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, .18);
    backdrop-filter: blur(8px);
    transform: rotate(-3deg);
}
.hero-phone-screen {
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    color: var(--ink);
    padding: 16px;
}
.hero-phone-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.hero-phone-bar strong { font-size: 13px; }
.hero-phone-bar span { font-size: 11px; color: var(--muted); }
.hero-phone-row {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-soft);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 10px;
}
.hero-phone-row span { font-size: 12px; color: var(--muted); }
.hero-phone-row strong { font-size: 13px; }
.hero-phone-row .up { color: var(--brand); font-weight: 700; }
.hero-float {
    position: absolute;
    display: flex; align-items: center; gap: 8px;
    background: #fff;
    color: var(--ink);
    padding: 10px 16px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    font-size: 13px;
    font-weight: 600;
}
.hero-float .dot { width: 8px; height: 8px; border-radius: 50%; }
.hero-float .dot.green { background: #22c55e; }
.hero-float .dot.orange { background: #f59e0b; }
.hero-float-tl { top: 16px; left: -6px; animation: floaty 4s ease-in-out infinite; }
.hero-float-br { bottom: 28px; right: 6px; animation: floaty 4.6s ease-in-out infinite; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Hero 轮播（两大业务模块，水平向左滑动） */
.hero-track {
    display: flex;
    transition: transform .8s ease;
}
.hero-slide {
    flex: 0 0 100%;
    width: 100%;
    padding: 96px 0 110px;
    position: relative;
}
.hero-dots {
    position: absolute;
    bottom: 34px; left: 50%;
    transform: translateX(-50%);
    display: flex; gap: 10px;
    z-index: 5;
}
.hero-dots button {
    width: 10px; height: 10px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .4);
    cursor: pointer;
    transition: background .25s, transform .25s;
    padding: 0;
}
.hero-dots button.active { background: #fff; transform: scale(1.25); }

/* ---------- 数据条 ---------- */
.stats {
    margin-top: -46px;
    position: relative;
    z-index: 5;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 30px 26px;
    box-shadow: var(--shadow-md);
}
.stat-item { text-align: center; }
.stat-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--brand);
    line-height: 1.1;
}
.stat-num em { font-style: normal; font-size: 20px; font-weight: 600; }
.stat-label { font-size: 14px; color: var(--muted); margin-top: 6px; }

/* ---------- 卡片 ---------- */
.s-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.s-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(22, 119, 255, .35); }

.product-card .pc-img {
    aspect-ratio: 4 / 3;
    background: var(--bg-soft);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.product-card .pc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .pc-img img { transform: scale(1.05); }
.product-card .pc-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card .pc-tag {
    align-self: flex-start;
    padding: 3px 10px;
    margin-bottom: 10px;
    border-radius: 6px;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
}
.product-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
.product-card p { font-size: 14px; color: var(--muted); margin: 0 0 16px; flex: 1; }
.product-card .pc-foot { display: flex; justify-content: space-between; align-items: center; }
.product-card .pc-price { font-size: 22px; font-weight: 800; color: var(--brand); }
.product-card .pc-price small { font-size: 13px; font-weight: 500; color: var(--muted); margin-right: 3px; }
.product-card .pc-link { font-size: 14px; font-weight: 600; }

/* 解决方案卡片 */
.solution-card { padding: 28px 26px; }
.solution-card .sc-ico {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: var(--brand-grad-soft);
    color: var(--brand);
    font-size: 24px;
    margin-bottom: 18px;
}
.solution-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 10px; }
.solution-card p { font-size: 14px; color: var(--muted); margin: 0 0 16px; flex: 1; }
.solution-card .sc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.solution-card .sc-tag {
    padding: 3px 10px;
    border-radius: 6px;
    background: var(--bg-soft);
    color: var(--muted);
    font-size: 12px;
}

/* 合作对象 */
.coop-card {
    position: relative;
    padding: 30px 26px;
    background: var(--brand-grad-soft);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
}
.coop-card .cc-num {
    position: absolute; right: 18px; top: 8px;
    font-size: 60px;
    font-weight: 800;
    color: var(--brand);
    opacity: .10;
}
.coop-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 10px; }
.coop-card p { font-size: 14px; color: var(--muted); margin: 0 0 16px; }
.coop-card .cc-points { list-style: none; padding: 0; margin: 0; }
.coop-card .cc-points li { font-size: 13px; color: var(--ink); padding: 5px 0 5px 20px; position: relative; }
.coop-card .cc-points li::before {
    content: '';
    position: absolute; left: 0; top: 13px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--brand);
}

/* 内容区通用 */
.content-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }

/* 页脚 */
.site-footer { background: #0e1a33; color: #9fb0c9; margin-top: 0; }
.site-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding: 64px 0 48px;
}
.site-footer-brand .site-brand-text strong { color: #fff; }
.site-footer-brand .site-brand-text small { color: #6b7a94; }
.site-footer-desc { font-size: 14px; line-height: 1.8; margin: 18px 0 0; max-width: 320px; }
.site-footer-col h5 { color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 18px; }
.site-footer-col a { display: block; color: #9fb0c9; font-size: 14px; padding: 5px 0; transition: color .2s; }
.site-footer-col a:hover { color: #fff; }
.site-footer-contact { font-size: 14px; margin: 0 0 8px; }
.site-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
}
.site-footer-bottom a { color: #9fb0c9; }
.site-footer-bottom a:hover { color: #fff; }

/* 返回顶部 */
.site-backtop {
    position: fixed;
    right: 28px;
    bottom: 34px;
    width: 46px; height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--brand-grad);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .25s, transform .25s, visibility .25s;
    z-index: 900;
}
.site-backtop.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* 子页面 Hero */
.page-hero {
    background: var(--brand-grad);
    color: #fff;
    padding: 72px 0 78px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse 60% 100% at 50% 0%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 60% 100% at 50% 0%, #000 20%, transparent 75%);
}
.page-hero .ph-inner { position: relative; z-index: 2; }
.page-hero h1 { font-size: 36px; font-weight: 800; margin: 0 0 10px; }
.page-hero p { font-size: 16px; color: rgba(255, 255, 255, .85); margin: 0; }

/* 条目（新闻/关于） */
.list-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.list-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 26px;
    transition: transform .25s, box-shadow .25s;
}
.list-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.list-item .li-date { font-size: 13px; color: var(--brand); font-weight: 600; }
.list-item h3 { font-size: 17px; margin: 8px 0; }
.list-item p { font-size: 14px; color: var(--muted); margin: 0; }

/* ============================================================
   新增：两大业务方向
   ============================================================ */
.duo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.duo-card {
    position: relative;
    border-radius: 20px;
    padding: 44px 40px;
    color: #fff;
    overflow: hidden;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: transform .3s ease, box-shadow .3s ease;
}
.duo-card::after {
    content: '';
    position: absolute; right: -40px; bottom: -60px;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    filter: blur(6px);
}
.duo-card:hover { transform: translateY(-6px); box-shadow: 0 30px 70px rgba(10, 72, 168, .35); }
.duo-card .duo-tag {
    align-self: flex-start;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .18);
    border: 1px solid rgba(255, 255, 255, .3);
    font-size: 12px;
    margin-bottom: 18px;
}
.duo-card h3 { font-size: 28px; font-weight: 800; margin: 0 0 14px; position: relative; z-index: 2; }
.duo-card p { font-size: 15px; color: rgba(255, 255, 255, .9); margin: 0 0 22px; max-width: 420px; position: relative; z-index: 2; }
.duo-card .duo-link { font-size: 15px; font-weight: 700; position: relative; z-index: 2; }
.duo-card .duo-link:hover { color: #fff; }

/* ============================================================
   新增：POS 收银系统
   ============================================================ */
.pos-module { padding: 28px 26px; }
.pos-module .pm-ico {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: var(--brand-grad-soft);
    font-size: 26px;
    margin-bottom: 18px;
}
.pos-module h3 { font-size: 19px; font-weight: 700; margin: 0 0 10px; }
.pos-module p { font-size: 14px; color: var(--muted); margin: 0; flex: 1; }
.pos-module p strong { color: var(--brand); }

/* POS 页 Hero */
.pos-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(900px 500px at 90% -10%, rgba(255, 255, 255, .16), transparent 60%),
        linear-gradient(140deg, #0a48a8 0%, #1677ff 55%, #38bdf8 120%);
    padding: 90px 0 96px;
}
.pos-hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: radial-gradient(ellipse 70% 90% at 75% 30%, #000 15%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 90% at 75% 30%, #000 15%, transparent 75%);
}
.pos-hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.pos-hero-eyebrow {
    display: inline-block;
    padding: 5px 16px;
    border-radius: 24px;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .3);
    font-size: 13px;
    margin-bottom: 20px;
}
.pos-hero-copy h1 { font-size: 44px; font-weight: 800; line-height: 1.25; margin: 0 0 16px; }
.pos-hero-copy p { font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, .9); margin: 0 0 30px; max-width: 520px; }
.pos-hero-btn { background: #fff; color: var(--brand-dark); box-shadow: 0 10px 30px rgba(0, 0, 0, .16); }
.pos-hero-btn:hover { transform: translateY(-2px); color: var(--brand-dark); }
.pos-hero-btn-ghost { background: transparent; border: 1px solid rgba(255, 255, 255, .5); color: #fff; }
.pos-hero-btn-ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.pos-hero-visual { position: relative; display: flex; justify-content: center; min-height: 300px; }
.pos-device {
    width: 300px;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 26px;
    padding: 16px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, .2);
    backdrop-filter: blur(8px);
}
.pos-device-screen { background: #fff; border-radius: 16px; padding: 16px; color: var(--ink); }
.pos-device-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; font-size: 12px; color: var(--muted); }
.pos-device-bar span:first-child { font-weight: 700; color: var(--ink); }
.pos-device-row {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-soft); border-radius: 10px; padding: 9px 12px; margin-bottom: 9px;
    font-size: 12px;
}
.pos-device-row span { color: var(--muted); }
.pos-device-row strong { color: var(--ink); }
.pos-device-row-ai { background: rgba(22, 119, 255, .08); }
.pos-device-row .up { color: var(--brand); }
.pos-device-total {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px dashed var(--line); margin-top: 10px; padding-top: 12px;
}
.pos-device-total span { font-size: 12px; color: var(--muted); }
.pos-device-total strong { font-size: 20px; color: var(--brand); }
.pos-device-pay { text-align: center; font-size: 11px; color: var(--muted); margin-top: 12px; padding: 8px; background: var(--bg-soft); border-radius: 8px; }
.pos-float {
    position: absolute;
    background: #fff; color: var(--ink);
    padding: 10px 16px; border-radius: 12px;
    box-shadow: var(--shadow-md); font-size: 13px; font-weight: 600;
}
.pos-float-tl { top: 8px; left: -8px; animation: floaty 4s ease-in-out infinite; }
.pos-float-br { bottom: 30px; right: -4px; animation: floaty 4.6s ease-in-out infinite; }

/* AI 识别高亮 */
.ai-banner {
    background: linear-gradient(140deg, #0a48a8 0%, #1677ff 60%, #38bdf8 120%);
    border-radius: 22px;
    padding: 56px 48px;
    color: #fff;
    overflow: hidden;
}
.ai-banner-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.ai-banner-copy h2 { font-size: 34px; font-weight: 800; margin: 0 0 14px; }
.ai-banner-copy p { font-size: 15px; color: rgba(255, 255, 255, .9); margin: 0 0 26px; max-width: 480px; }
.ai-points { display: flex; gap: 40px; }
.ai-point strong { display: block; font-size: 26px; font-weight: 800; }
.ai-point span { font-size: 13px; color: rgba(255, 255, 255, .85); }
.ai-box {
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 18px;
    padding: 20px;
    backdrop-filter: blur(6px);
}
.ai-box-head { font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.ai-scan {
    height: 4px; border-radius: 4px; margin-bottom: 16px;
    background: linear-gradient(90deg, transparent, #4ade80, transparent);
    animation: scanMove 2.2s ease-in-out infinite;
}
@keyframes scanMove { 0% { opacity: 0; } 50% { opacity: 1; } 100% { opacity: 0; } }
.ai-item {
    display: flex; justify-content: space-between;
    background: #fff; color: var(--ink);
    border-radius: 10px; padding: 10px 14px; margin-bottom: 9px;
    font-size: 13px;
}
.ai-item strong { color: var(--brand); }

/* 行业卡片（小卡） */
.ind-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: transform .25s, box-shadow .25s, border-color .25s;
    color: var(--ink);
    display: block;
}
.ind-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(22, 119, 255, .35); color: var(--ink); }
.ind-ico { font-size: 30px; display: block; margin-bottom: 10px; }
.ind-card h4 { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.ind-card p { font-size: 13px; color: var(--muted); margin: 0; }

/* 行业方案（详情大卡） */
.ind-detail {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px;
    transition: transform .25s, box-shadow .25s;
    display: flex;
    flex-direction: column;
}
.ind-detail:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.ind-detail .ind-d-ico, .ind-detail .ind-ico {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: var(--brand-grad-soft);
    font-size: 26px;
    margin-bottom: 16px;
}
.ind-detail h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.ind-detail p { font-size: 14px; color: var(--muted); margin: 0; flex: 1; }

/* ============================================================
   新增：硬件解决方案
   ============================================================ */
.hardware-cat { margin-bottom: 48px; }
.hardware-cat-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    padding-bottom: 14px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--brand);
    display: inline-block;
}
.hardware-card { display: block; color: var(--ink); }
.hardware-card:hover { color: var(--ink); }
.hardware-card .hc-img {
    aspect-ratio: 4 / 3;
    background: var(--bg-soft);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.hardware-card .hc-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s ease; }
.hardware-card:hover .hc-img img { transform: scale(1.04); }
.hardware-card .hc-body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.hardware-card .hc-body h4 { font-size: 17px; font-weight: 700; margin: 0 0 6px; }
.hardware-card .hc-body p { font-size: 13px; color: var(--muted); margin: 0 0 12px; flex: 1; }
.hardware-card .hc-scenes { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.hardware-card .hc-scene { padding: 2px 9px; border-radius: 6px; background: var(--bg-soft); color: var(--muted); font-size: 12px; }
.hardware-card .hc-link { font-size: 14px; font-weight: 600; }

/* 硬件详情 */
.breadcrumb-wrap { padding: 16px 0; background: #fff; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.breadcrumb-wrap a { color: var(--muted); }
.breadcrumb-wrap a:hover { color: var(--brand); }
.breadcrumb-wrap .bc-sep { margin: 0 8px; color: #c3c9d4; }
.breadcrumb-wrap .bc-now { color: var(--ink); }

.hd-overview { padding: 60px 0 80px; }
.hd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.hd-gallery { position: sticky; top: 100px; }
.hd-main-img {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 20px;
    display: flex; align-items: center; justify-content: center;
    min-height: 360px;
}
.hd-main-img img { max-height: 420px; object-fit: contain; }
.hd-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.hd-thumb {
    width: 76px; height: 76px;
    border: 2px solid var(--line);
    border-radius: 10px;
    padding: 6px;
    background: #fff;
    cursor: pointer;
    overflow: hidden;
}
.hd-thumb img { width: 100%; height: 100%; object-fit: contain; }
.hd-thumb.active { border-color: var(--brand); }
.hd-info .hd-cat { display: inline-block; padding: 4px 12px; border-radius: 6px; background: var(--brand-soft); color: var(--brand); font-size: 12px; font-weight: 600; margin-bottom: 14px; }
.hd-info h1 { font-size: 30px; font-weight: 800; margin: 0 0 10px; }
.hd-info .hd-tagline { font-size: 18px; font-weight: 600; color: var(--brand); margin: 0 0 14px; }
.hd-info .hd-desc { font-size: 15px; color: var(--muted); line-height: 1.8; margin: 0 0 20px; }
.hd-scenes { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 20px; }
.hd-scene-label { font-size: 13px; color: var(--muted); margin-right: 4px; }
.hd-scene { padding: 4px 12px; border-radius: 6px; background: var(--bg-soft); color: var(--ink); font-size: 13px; }
.hd-features { list-style: none; padding: 0; margin: 0 0 26px; }
.hd-features li {
    position: relative;
    padding: 7px 0 7px 26px;
    font-size: 14px;
    color: var(--ink);
}
.hd-features li::before {
    content: '✓';
    position: absolute; left: 0; top: 7px;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    line-height: 18px;
}
.hd-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hd-specs {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.hd-spec {
    display: flex;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.hd-spec:nth-child(odd) { border-right: 1px solid var(--line); }
.hd-spec-name {
    flex: 0 0 160px;
    padding: 14px 18px;
    background: var(--bg-soft);
    color: var(--muted);
    font-weight: 600;
}
.hd-spec-value { padding: 14px 18px; color: var(--ink); flex: 1; }

.hd-gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.hd-gallery-item {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
    display: flex; align-items: center; justify-content: center;
    min-height: 220px;
}
.hd-gallery-item img { max-height: 240px; object-fit: contain; }

/* 网格自适应（桌面/平板/手机） */
@media (max-width: 992px) {
    .hero-inner, .pos-hero-inner { grid-template-columns: 1fr; gap: 50px; }
    .hero h1, .pos-hero-copy h1 { font-size: 36px; }
    .hero-visual, .pos-hero-visual { min-height: 0; }
    .ai-banner-inner { grid-template-columns: 1fr; }
    .hd-grid { grid-template-columns: 1fr; }
    .hd-gallery { position: static; }
    .site-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .duo-grid { grid-template-columns: 1fr; }
    .content-grid[style*="repeat(3,1fr)"] { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .site-topbar-item.site-topbar-hide-sm { display: none; }
    .site-nav-toggle { display: flex; }
    .site-header-inner { min-height: 60px; }
    .site-nav {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 12px 20px 20px;
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-md);
    }
    .site-nav.open { display: flex; }
    .site-nav-link { padding: 12px 12px; }
    .site-nav-login { margin: 10px 0 0; }
    .site-login-menu { position: static; width: 100%; opacity: 1; visibility: visible; transform: none; display: none; margin-top: 10px; }
    .site-nav-login.open .site-login-menu { display: block; }
    .site-login-btn { width: 100%; justify-content: center; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 24px 18px; }
    .stat-num { font-size: 30px; }
    .list-row { grid-template-columns: 1fr; }
    .site-section { padding: 56px 0; }
    .section-title { font-size: 26px; }
    .hero-slide { padding: 64px 0 96px; }
    .site-footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; padding: 44px 0 36px; }
    .hd-specs { grid-template-columns: 1fr; }
    .hd-spec:nth-child(odd) { border-right: 0; }
    .hd-spec-name { flex: 0 0 120px; }
    .content-grid[style*="repeat(3,1fr)"] { grid-template-columns: 1fr; }
    .ai-banner { padding: 40px 28px; }
    .pos-hero { padding: 64px 0 80px; }
}

@media (max-width: 576px) {
    .site-container { padding-left: 16px; padding-right: 16px; }
    .hero h1, .pos-hero-copy h1 { font-size: 30px; }
    .site-footer-grid { grid-template-columns: 1fr; }
    .site-footer-bottom { justify-content: center; text-align: center; }
    .site-backtop { right: 16px; bottom: 20px; }
    .hero-float-tl { left: 0; }
    .hero-float-br { right: 0; }
    .duo-card { padding: 32px 24px; min-height: 200px; }
    .ai-points { gap: 20px; flex-wrap: wrap; }
}

/* 滚动入场 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }


/* ============================================================
   POS 收银系统 七大模块页（喜味风格单页布局）
   ============================================================ */

/* 模块卡片可点击（首页/POS页） */
.pos-module-link { display: block; color: var(--ink); text-decoration: none; }
.pos-module-link:hover { color: var(--ink); }
.pm-more { font-size: 13px; font-weight: 600; color: var(--brand); margin-top: 14px; display: inline-block; }

/* 模块 Hero */
.posm-hero {
    color: #fff;
    padding: 84px 0 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.posm-hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse 60% 100% at 50% 0%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 60% 100% at 50% 0%, #000 20%, transparent 75%);
}
.posm-hero-inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; padding: 0 20px; }
.posm-ico {
    width: 84px; height: 84px;
    margin: 0 auto 22px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .32);
    border-radius: 22px;
    font-size: 42px;
    backdrop-filter: blur(6px);
}
.posm-hero h1 { font-size: 40px; font-weight: 800; margin: 0 0 14px; }
.posm-tagline { font-size: 20px; font-weight: 600; color: rgba(255, 255, 255, .95); margin: 0 0 14px; }
.posm-desc { font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, .85); margin: 0 0 30px; max-width: 680px; margin-left: auto; margin-right: auto; }
.posm-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 模块核心功能卡片 */
.posm-feature {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 24px;
    transition: transform .25s, box-shadow .25s;
    height: 100%;
}
.posm-feature:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.posm-feature .pf-ico {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 13px;
    background: var(--brand-grad-soft);
    font-size: 24px;
    margin-bottom: 16px;
}
.posm-feature h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.posm-feature p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }

/* 图文滑动区块 */
.mt-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 72px;
}
.mt-row:last-child { margin-bottom: 0; }
.mt-media {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 260px;
}
.mt-copy h3 { font-size: 26px; font-weight: 800; color: var(--ink); margin: 0 0 16px; }
.mt-copy p { font-size: 15px; line-height: 1.9; color: var(--muted); margin: 0 0 20px; }
.mt-points { list-style: none; padding: 0; margin: 0; }
.mt-points li {
    position: relative;
    padding: 7px 0 7px 28px;
    font-size: 14px;
    color: var(--ink);
}
.mt-points li::before {
    content: '✓';
    position: absolute; left: 0; top: 7px;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 12px; font-weight: 700;
    text-align: center; line-height: 20px;
}
@media (max-width: 992px) {
    .mt-row { grid-template-columns: 1fr; gap: 32px; }
    .mt-row.mt-reversed .mt-media { order: 0; }
}

/* 图文滑动入场（左/右滑入） */
.reveal.slide-left { transform: translateX(-40px); }
.reveal.slide-right { transform: translateX(40px); }
.reveal.slide-left.in, .reveal.slide-right.in { transform: none; }

/* 模拟面板（UI 示意） */
.mock-panel {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--line);
}
.mock-bar {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #0a48a8, #1677ff);
    color: #fff;
}
.mock-brand {
    font-size: 13px; font-weight: 800;
    padding: 2px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, .18);
}
.mock-label { font-size: 12px; color: rgba(255, 255, 255, .9); flex: 1; }
.mock-dots::before {
    content: '●●●';
    font-size: 9px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, .7);
}
.mock-body { padding: 16px; }
.mock-row {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-soft);
    border-radius: 9px;
    padding: 9px 13px;
    margin-bottom: 8px;
    font-size: 13px;
}
.mock-row span { color: var(--muted); }
.mock-row strong { color: var(--ink); }
.m-up { color: var(--brand) !important; }
.m-warn { color: #ea5b0c !important; }
.mock-total {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px dashed var(--line);
    margin-top: 10px; padding-top: 12px;
}
.mock-total span { font-size: 13px; color: var(--muted); }
.mock-total strong { font-size: 18px; color: var(--brand); }
.mock-paybar {
    text-align: center; font-size: 11px; color: var(--muted);
    margin-top: 12px; padding: 8px;
    background: var(--bg-soft); border-radius: 8px;
}
.mock-note {
    text-align: center; font-size: 11px; color: var(--muted);
    margin-top: 10px; padding: 6px;
    background: var(--brand-soft); border-radius: 8px;
    color: var(--brand);
}
.mock-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.mock-ch {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-soft);
    border-radius: 9px;
    padding: 10px 13px;
    font-size: 13px;
}
.mock-ch span { font-size: 18px; }
.mock-scan {
    height: 4px; border-radius: 4px; margin-bottom: 12px;
    background: linear-gradient(90deg, transparent, #4ade80, transparent);
    animation: scanMove 2.2s ease-in-out infinite;
}
.mock-card {
    background: linear-gradient(140deg, #0a48a8, #1677ff);
    border-radius: 12px;
    color: #fff;
    padding: 16px;
    margin-bottom: 12px;
}
.mock-card-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.mock-card-top .mock-brand { background: rgba(255, 255, 255, .2); }
.mock-card-top strong { color: #ffd666; }
.mock-card-no { font-size: 15px; letter-spacing: 2px; margin: 14px 0; font-family: monospace; }
.mock-card-bal { display: flex; justify-content: space-between; font-size: 12px; color: rgba(255, 255, 255, .9); }
.mock-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.mock-tags span {
    padding: 3px 10px; border-radius: 6px;
    background: var(--brand-soft); color: var(--brand); font-size: 12px;
}
.mock-prods { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.mock-prod {
    background: var(--bg-soft);
    border-radius: 9px;
    padding: 10px 8px;
    text-align: center;
    font-size: 12px;
}
.mock-prod .mp-ico { display: block; font-size: 22px; margin-bottom: 4px; }
.mock-prod span:not(.mp-ico) { color: var(--muted); display: block; }
.mock-prod strong { display: block; color: var(--brand); margin-top: 4px; }

/* 其他模块导航 - 当前模块高亮 */
.ind-card-active { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.ind-card-active h4 { color: var(--brand); }


/* 硬件页 - 单产品分类（电子价签）左右两栏 */
.hw-single {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}
.hw-single-img {
    background: var(--bg-soft);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}
.hw-single-img img { max-height: 320px; object-fit: contain; }
.hw-single-info h4 { font-size: 24px; font-weight: 800; margin: 0 0 10px; color: var(--ink); }
.hw-single-tagline { font-size: 17px; font-weight: 600; color: var(--brand); margin: 0 0 14px; }
.hw-single-desc { font-size: 14px; color: var(--muted); line-height: 1.8; margin: 0 0 18px; }
.hw-single-features { list-style: none; padding: 0; margin: 0 0 16px; }
.hw-single-features li {
    position: relative;
    padding: 5px 0 5px 24px;
    font-size: 14px;
    color: var(--ink);
}
.hw-single-features li::before {
    content: '✓';
    position: absolute; left: 0;
    color: var(--brand);
    font-weight: 700;
}
.hw-single-link { font-size: 15px; font-weight: 600; display: inline-block; margin-top: 4px; }
@media (max-width: 768px) {
    .hw-single { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
}


/* 首页 banner - 收银设备展示 */
.hero-devices {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 26px;
}
.hero-devices span {
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .3);
    font-size: 13px;
    color: #fff;
}
.hero-device {
    width: 360px;
    max-width: 100%;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, .18);
    backdrop-filter: blur(8px);
}
.hero-device img {
    width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: contain;
    max-height: 300px;
}
@media (max-width: 576px) {
    .hero-device { width: 100%; }
}

/* 首页 banner - 抠图设备展示（透明背景，放大融入渐变，无框） */
.hero-cutout {
    height: 460px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 28px 50px rgba(0, 0, 0, .30));
}

@media (max-width: 768px) {
    .hero-cutout { height: 320px; }
}
@media (max-width: 576px) {
    .hero-cutout { height: 260px; }
}

/* 首页 banner - 售货机阵容(宽幅, 宽度适应) */
.hero-lineup {
    width: 100%;
    max-width: 620px;
    height: auto;
    max-height: 480px;
    object-fit: contain;
    filter: drop-shadow(0 28px 50px rgba(0, 0, 0, .30));
}
@media (max-width: 768px) { .hero-lineup { max-height: 340px; } }
@media (max-width: 576px) { .hero-lineup { max-height: 280px; } }

/* 产品中心 二级下拉菜单 */
.site-nav-drop { position: relative; }
.site-nav-drop-btn {
    display: flex; align-items: center; gap: 4px;
    border: 0; background: transparent; cursor: pointer;
}
.site-nav-caret { font-size: 11px; opacity: .75; transition: transform .2s; }
.site-nav-drop.active .site-nav-caret { transform: rotate(180deg); }
.site-nav-drop-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 210px;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
    z-index: 20;
}
.site-nav-drop:hover .site-nav-drop-menu,
.site-nav-drop.open .site-nav-drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.site-nav-drop-item {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--ink);
    font-size: 14px;
    transition: background .2s, color .2s;
}
.site-nav-drop-item:hover { background: var(--brand-soft); color: var(--brand-dark); }
.site-nav-drop-item.active { color: var(--brand); font-weight: 600; }
@media (max-width: 768px) {
    .site-nav-drop-menu {
        position: static;
        width: 100%;
        opacity: 1; visibility: visible; transform: none;
        display: none;
        margin-top: 6px;
        box-shadow: none; border: 0; padding: 0 0 0 12px;
        background: transparent;
    }
    .site-nav-drop.open .site-nav-drop-menu { display: block; }
    .site-nav-drop-btn { width: 100%; justify-content: flex-start; }
}