/* 小哆啦商贸中心 — 磨砂玻璃胶囊风格 */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
    --primary: #5e72e4;
    --primary-dark: #4c5cc4;
    --accent: #11cdef;
    --text-dark: #1a2b4a;
    --text-mid: #4a5680;
    --text-light: #8492b0;
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.75);
    --shadow-sm: 0 2px 10px rgba(94, 114, 228, 0.08);
    --shadow-md: 0 8px 32px rgba(94, 114, 228, 0.12);
    --shadow-lg: 0 12px 40px rgba(94, 114, 228, 0.18);
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 20%, rgba(94, 114, 228, 0.28) 0%, transparent 45%),
        radial-gradient(circle at 85% 60%, rgba(17, 205, 239, 0.22) 0%, transparent 50%),
        radial-gradient(circle at 50% 90%, rgba(251, 99, 164, 0.18) 0%, transparent 55%),
        linear-gradient(135deg, #eef2ff 0%, #f5f7ff 50%, #e8f4fd 100%);
    background-attachment: fixed;
}
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ---- 顶部导航（磨砂胶囊） ---- */
.site-header { position: sticky; top: 16px; z-index: 100; margin: 16px auto 0; max-width: 1100px; padding: 0 24px; }
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 60px; padding: 0 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    box-shadow: var(--shadow-md);
}
.logo {
    font-size: 17px; font-weight: 600; letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav { display: flex; gap: 4px; }
.nav a { color: var(--text-mid); font-size: 14px; padding: 8px 16px; border-radius: 999px; transition: all .2s; }
.nav a:hover { color: var(--primary); background: rgba(94, 114, 228, 0.12); }

/* ---- 首屏 ---- */
.hero { padding: 90px 0 70px; text-align: center; }
.hero h1 {
    font-size: 42px; margin-bottom: 14px; letter-spacing: 2px; font-weight: 700;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero .subtitle { font-size: 17px; color: var(--text-mid); margin-bottom: 26px; }
.hero .tagline {
    display: inline-block; padding: 10px 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 999px; color: var(--text-mid); font-size: 13px;
    box-shadow: var(--shadow-sm);
}

/* ---- 通用板块 ---- */
.section { padding: 50px 0; }
.section-title { font-size: 26px; color: var(--text-dark); text-align: center; margin-bottom: 10px; letter-spacing: 1px; font-weight: 600; }
.section-title::after {
    content: ""; display: block; width: 48px; height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    margin: 14px auto 0; border-radius: 999px;
}
.section-hint { text-align: center; color: var(--text-light); font-size: 13px; margin-bottom: 34px; }

/* ---- 玻璃盒（简介/公告/联系） ---- */
.glass-box {
    max-width: 820px;
    margin: 0 auto;
    padding: 34px 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: transform .25s, box-shadow .25s;
}
.glass-box:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.glass-box p { margin-bottom: 14px; color: var(--text-mid); font-size: 15px; }
.glass-box p:last-child { margin-bottom: 0; }
.glass-box strong { color: var(--primary-dark); font-weight: 600; }

.contact-hint { color: var(--text-light); font-size: 13px; margin-top: 10px !important; }

/* 联系方式：胶囊标签 */
.contact-line {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    margin: 4px 6px 4px 0;
    background: rgba(94, 114, 228, 0.08);
    border: 1px solid rgba(94, 114, 228, 0.2);
    border-radius: 999px;
    color: var(--text-mid);
    font-size: 14px;
}
.contact-line strong { margin-right: 8px; color: var(--primary-dark); }

/* ---- 产品卡片（磨砂玻璃） ---- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
    max-width: 1100px;
    margin: 0 auto;
}
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 22px;
    overflow: hidden;
    transition: transform .25s, box-shadow .25s;
    box-shadow: var(--shadow-sm);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-cover {
    height: 150px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 3px;
    position: relative;
    overflow: hidden;
}
.card-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
    pointer-events: none;
}
.card:nth-child(1) .card-cover { background: linear-gradient(135deg, #5e72e4 0%, #825ee4 100%); }
.card:nth-child(2) .card-cover { background: linear-gradient(135deg, #11cdef 0%, #1171ef 100%); }
.card:nth-child(3) .card-cover { background: linear-gradient(135deg, #fb6340 0%, #fbb140 100%); }
.card:nth-child(4) .card-cover { background: linear-gradient(135deg, #f5365c 0%, #f56036 100%); }
.card:nth-child(5) .card-cover { background: linear-gradient(135deg, #2dce89 0%, #2dcecc 100%); }
.card:nth-child(6) .card-cover { background: linear-gradient(135deg, #8965e0 0%, #f56036 100%); }
.card-body { padding: 22px 24px; }
.card-body h3 { font-size: 17px; color: var(--text-dark); margin-bottom: 10px; font-weight: 600; }
.card-body p { color: var(--text-mid); font-size: 13.5px; line-height: 1.7; }

/* ---- 页脚（磨砂胶囊） ---- */
.site-footer { padding: 40px 0 30px; margin-top: 30px; }
.footer-inner {
    text-align: center;
    padding: 26px 32px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}
.site-footer p { margin: 6px 0; font-size: 13px; color: var(--text-mid); }
.site-footer a { color: var(--primary); }
.site-footer a:hover { color: var(--primary-dark); text-decoration: underline; }
.footer-note { color: var(--text-light); font-size: 12px; margin-top: 12px !important; }
.footer-beian {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(94, 114, 228, 0.08);
    border: 1px solid rgba(94, 114, 228, 0.2);
    border-radius: 999px;
    margin-top: 4px;
}

/* ---- 响应式 ---- */
@media (max-width: 720px) {
    .site-header { top: 8px; margin-top: 8px; padding: 0 12px; }
    .header-inner { height: 52px; padding: 0 16px; }
    .nav a { padding: 6px 10px; font-size: 13px; }
    .hero { padding: 60px 0 50px; }
    .hero h1 { font-size: 30px; letter-spacing: 1px; }
    .section { padding: 36px 0; }
    .section-title { font-size: 22px; }
    .glass-box { padding: 24px 22px; border-radius: 20px; }
    .card-grid { gap: 16px; }
    .card-cover { height: 130px; font-size: 18px; }
    .card-body { padding: 18px 20px; }
    .footer-inner { padding: 20px 18px; border-radius: 20px; }
}
@media (max-width: 480px) {
    .logo { font-size: 15px; }
    .nav { gap: 0; }
    .nav a { padding: 6px 8px; font-size: 12px; }
    .hero h1 { font-size: 24px; }
    .hero .subtitle { font-size: 14px; }
}