/* ============================================================
   KIBOKO Mall — 主样式表
   低饱和度工业暖色调，避免大面积高饱红色
   ============================================================ */

:root {
    /* 主色调：淘宝标准橙色系（FF5000 / FF4400） */
    --c-primary:        #FF5000;   /* 淘宝标准橙 */
    --c-primary-dark:   #E64500;   /* 深橙，hover/顶部公告条 */
    --c-primary-light:  #FFE6D9;   /* 浅橙，hover bg/提示框 */

    /* 淘宝品牌橙（同主色，语义化别名） */
    --c-brand-red:      #FF5000;
    --c-brand-red-soft: #FFC4A3;

    /* 价格/促销红（淘宝标准价红） */
    --c-accent:         #FF4400;   /* 淘宝价红 */
    --c-accent-dark:    #CC0000;
    --c-accent-light:   #FFE0DC;

    /* 中性色：淘宝浅灰基底 */
    --c-bg:             #F5F5F5;   /* 淘宝浅灰主背景 */
    --c-bg-soft:        #FAFAFA;   /* 更浅灰，二级背景 */
    --c-card:           #FFFFFF;
    --c-border:         #E8E8E8;   /* 淘宝边框灰 */
    --c-border-soft:    #F0F0F0;
    --c-divider:        #D9D9D9;

    /* 文字色（淘宝黑系） */
    --c-text:           #3C3C3C;   /* 主文字 */
    --c-text-soft:      #666666;   /* 次要文字 */
    --c-text-mute:      #999999;   /* 辅助文字 */
    --c-text-on-dark:   #FFFFFF;

    /* 状态色 */
    --c-success:        #5B8A6F;
    --c-warning:        #FFA500;
    --c-danger:         #FF4400;
    --c-info:           #3B85FB;

    /* 阴影（淘宝浅阴影风格） */
    --shadow-sm:        0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md:        0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg:        0 4px 16px rgba(0, 0, 0, 0.08);

    /* 圆角与间距 */
    --r-sm: 4px; --r-md: 6px; --r-lg: 10px; --r-xl: 14px;
    --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px;
    --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px;
}

/* ==================== 基础重置 ==================== */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
                 "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-accent); }

img { max-width: 100%; display: block; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--s-5);
}

.hidden { display: none !important; }

/* ==================== 顶部公告条 ==================== */
.top-bar {
    background: var(--c-primary-dark);
    color: var(--c-text-on-dark);
    font-size: 12px;
    min-height: 36px;
    padding: 7px 0;
    line-height: 1.6;
}
.top-bar .container {
    display: flex; justify-content: space-between; align-items: center;
}
.top-bar a { color: var(--c-text-on-dark); opacity: 0.85; }
.top-bar a:hover { opacity: 1; color: var(--c-accent-light); }
.top-bar .tb-right { display: flex; align-items: center; gap: var(--s-5); }
.top-bar .tb-right a { display: inline-flex; align-items: center; }
.top-bar .tb-marquee {
    flex: 1; margin-right: var(--s-6); overflow: hidden;
    display: flex; align-items: center;
    height: 18px;
}
.top-bar .tb-marquee span {
    display: inline-block; animation: marquee 22s linear infinite;
    opacity: 0.9; white-space: nowrap;
    line-height: 18px;
}
@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ==================== 主导航 ==================== */
.main-nav {
    background: var(--c-card);
    border-bottom: 1px solid var(--c-border-soft);
}
.main-nav .container {
    height: 72px;
    display: flex; align-items: center; gap: var(--s-8);
}
.brand {
    display: flex; align-items: center; gap: var(--s-3);
    text-decoration: none;
}
.brand-logo {
    height: 36px; width: auto;
}

.search-box {
    flex: 1; max-width: 540px;
    display: flex; align-items: center;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 0 var(--s-3);
    height: 40px;
}
.search-box input {
    flex: 1; border: none; background: transparent;
    font-size: 13px; color: var(--c-text); outline: none;
    padding: 0 var(--s-2);
}
.search-box .search-cat {
    border: none; background: transparent;
    font-size: 12px; color: var(--c-text-soft);
    outline: none; cursor: pointer;
    height: 100%;
    padding: 0 var(--s-3) 0 0;
    border-right: 1px solid var(--c-border);
    margin-right: var(--s-3);
    max-width: 110px;
}
.search-box button {
    background: var(--c-primary); color: white;
    padding: 6px 14px; border-radius: var(--r-sm);
    font-size: 12px; letter-spacing: 1px;
}
.search-box button:hover { background: var(--c-primary-dark); }

.nav-right {
    display: flex; align-items: center; gap: var(--s-5);
}
.nav-icon {
    display: flex; flex-direction: column; align-items: center;
    font-size: 11px; color: var(--c-text-soft);
    position: relative;
}
.nav-icon svg { width: 22px; height: 22px; margin-bottom: 2px; stroke: var(--c-primary); }
.nav-icon .badge {
    position: absolute; top: -4px; right: 8px;
    min-width: 16px; height: 16px; padding: 0 4px;
    background: var(--c-accent); color: white;
    border-radius: 8px; font-size: 10px; line-height: 16px; text-align: center;
}

/* ==================== 一级导航（类目）==================== */
.sub-nav {
    background: var(--c-card);
    border-bottom: 1px solid var(--c-border-soft);
}
.sub-nav .container {
    display: flex; gap: var(--s-8);
}
.sub-nav a {
    display: inline-flex; align-items: center; height: 44px;
    color: var(--c-text); font-size: 14px;
    border-bottom: 2px solid transparent;
}
.sub-nav a.active, .sub-nav a:hover {
    color: var(--c-accent);
    border-bottom-color: var(--c-accent);
}

/* ==================== 主体布局 ==================== */
.main-wrap {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--s-6);
    margin: var(--s-6) 0;
}
.main-wrap.no-sidebar { grid-template-columns: 1fr; }

/* ==================== 侧边栏（一级分类）==================== */
.side-nav {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-3) 0;
    height: fit-content;
    position: sticky; top: 12px;
}
.side-nav .group { margin-bottom: var(--s-2); }
.side-nav .gt {
    display: block;
    padding: 8px var(--s-4);
    color: var(--c-text);
    font-weight: 600;
    font-size: 13px;
}
.side-nav .gt:hover { background: var(--c-bg-soft); color: var(--c-accent); }
.side-nav .sub {
    padding-left: var(--s-5);
    display: block;
    padding: 4px var(--s-5);
    font-size: 12px;
    color: var(--c-text-soft);
}
.side-nav .sub:hover { color: var(--c-accent); }
.side-nav .sub.active {
    color: var(--c-accent); font-weight: 600;
}

/* ==================== Hero 横幅 ==================== */
.hero {
    background: linear-gradient(135deg, #3D5466 0%, #5A7282 100%);
    color: white;
    border-radius: var(--r-lg);
    padding: var(--s-10) var(--s-12);
    margin-bottom: var(--s-6);
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute; right: -60px; top: -60px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(194, 107, 77, 0.18), transparent 70%);
}
.hero h1 {
    font-size: 30px; font-weight: 700; margin: 0 0 var(--s-3);
    letter-spacing: 1px;
}
.hero p {
    font-size: 14px; opacity: 0.85; margin: 0 0 var(--s-5); max-width: 540px;
}
.hero-cta {
    display: inline-flex; gap: var(--s-3);
}
.hero-cta a {
    background: var(--c-accent); color: white;
    padding: 10px 22px; border-radius: var(--r-sm);
    font-size: 13px;
    transition: background 0.2s;
}
.hero-cta a.outline {
    background: transparent; border: 1px solid rgba(255,255,255,0.4);
}
.hero-cta a:hover { background: var(--c-accent-dark); }
.hero-cta a.outline:hover { background: rgba(255,255,255,0.1); }

/* ==================== 区块标题 ==================== */
.section { margin-bottom: var(--s-10); }
.section-head {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-bottom: var(--s-4);
    padding-bottom: var(--s-3);
    border-bottom: 2px solid var(--c-border-soft);
}
.section-head h2 {
    font-size: 20px; font-weight: 600; color: var(--c-text);
    margin: 0;
}
.section-head h2 small {
    font-size: 12px; color: var(--c-text-mute);
    font-weight: 400; margin-left: var(--s-3); letter-spacing: 2px;
}
.section-head a.more {
    font-size: 12px; color: var(--c-text-soft);
}
.section-head a.more:hover { color: var(--c-accent); }

/* ==================== 类目卡片 ==================== */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-4);
}
.cat-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-4);
    transition: all 0.2s;
}
.cat-card:hover {
    border-color: var(--c-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.cat-card .ct {
    font-size: 15px; font-weight: 600; color: var(--c-text);
    margin-bottom: 4px;
}
.cat-card .cd {
    font-size: 12px; color: var(--c-text-soft); margin-bottom: var(--s-3);
    min-height: 32px;
}
.cat-card .ci {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.cat-card .ci a {
    background: var(--c-bg-soft);
    color: var(--c-text-soft);
    padding: 3px 10px; border-radius: var(--r-sm);
    font-size: 11px;
}
.cat-card .ci a:hover { background: var(--c-accent); color: white; }

/* ==================== 商品卡片 ==================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-4);
}
.product-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.product-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.product-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.product-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.product-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    overflow: hidden;
    transition: all 0.2s;
    position: relative;
}
.product-card:hover {
    border-color: var(--c-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.product-card .pc-img {
    aspect-ratio: 1 / 1;
    background: var(--c-bg-soft);
    overflow: hidden;
    position: relative;
}
.product-card .pc-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.3s;
}
.product-card:hover .pc-img img { transform: scale(1.04); }
.product-card .badge {
    position: absolute; top: 8px; left: 8px;
    background: var(--c-accent); color: white;
    font-size: 10px; padding: 2px 8px; border-radius: var(--r-sm);
}
.product-card .badge.new { background: var(--c-info); }
.product-card .badge.stock { background: var(--c-success); }
.product-card .pc-body { padding: var(--s-3); }
.product-card .pn {
    font-size: 13px; color: var(--c-text);
    line-height: 1.5; height: 40px;
    overflow: hidden; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    margin-bottom: var(--s-2);
}
.product-card .ps {
    font-size: 11px; color: var(--c-text-mute);
    margin-bottom: var(--s-3);
}
.product-card .pp {
    display: flex; align-items: baseline; gap: 4px;
}
.product-card .pp .cur { font-size: 12px; color: var(--c-accent); }
.product-card .pp .v { font-size: 18px; font-weight: 700; color: var(--c-accent); }
.product-card .pp .u { font-size: 11px; color: var(--c-text-soft); }

/* ==================== 列表卡片（紧凑）==================== */
.list-card {
    display: flex; gap: var(--s-4);
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-3);
    margin-bottom: var(--s-3);
    transition: all 0.2s;
}
.list-card:hover {
    border-color: var(--c-accent);
    box-shadow: var(--shadow-md);
}
.list-card .lc-img {
    flex: 0 0 140px;
    aspect-ratio: 1 / 1;
    background: var(--c-bg-soft);
    border-radius: var(--r-sm);
    overflow: hidden;
}
.list-card .lc-img img { width: 100%; height: 100%; object-fit: cover; }
.list-card .lc-body { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.list-card .ln { font-size: 14px; font-weight: 500; color: var(--c-text); margin-bottom: var(--s-2); }
.list-card .ls { font-size: 12px; color: var(--c-text-soft); margin-bottom: var(--s-3); }
.list-card .lp { display: flex; align-items: baseline; gap: var(--s-2); }
.list-card .lp .v { font-size: 18px; font-weight: 700; color: var(--c-accent); }
.list-card .lp .u { font-size: 11px; color: var(--c-text-soft); }
.list-card .la { font-size: 12px; color: var(--c-primary); }

/* ==================== 工具条（筛选+排序）==================== */
.toolbar {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--c-card);
    padding: var(--s-3) var(--s-4);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    margin-bottom: var(--s-4);
}
.filter-chips { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.filter-chips .chip {
    padding: 4px 14px;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 12px; color: var(--c-text-soft);
    cursor: pointer;
    background: var(--c-card);
}
.filter-chips .chip:hover { border-color: var(--c-accent); color: var(--c-accent); }
.filter-chips .chip.active {
    background: var(--c-accent); color: white; border-color: var(--c-accent);
}
.sort-tabs { display: flex; gap: var(--s-2); }
.sort-tabs button {
    padding: 4px 12px;
    font-size: 12px; color: var(--c-text-soft);
    border-radius: var(--r-sm);
}
.sort-tabs button:hover { color: var(--c-accent); }
.sort-tabs button.active { background: var(--c-bg-soft); color: var(--c-accent); font-weight: 600; }

/* ==================== 分页 ================= */
.pagination {
    display: flex; justify-content: center; gap: var(--s-2);
    margin-top: var(--s-6);
}
.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--c-border);
    background: var(--c-card);
    color: var(--c-text-soft);
    border-radius: var(--r-sm);
    font-size: 12px;
}
.pagination button:hover { border-color: var(--c-accent); color: var(--c-accent); }
.pagination button.active {
    background: var(--c-accent); color: white; border-color: var(--c-accent);
}
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ==================== 详情页 ==================== */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-8); }
.product-detail .gallery { }
.gallery-main {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    aspect-ratio: 1 / 1;
    overflow: hidden;
    margin-bottom: var(--s-3);
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: var(--s-2); }
.gallery-thumbs .th {
    width: 64px; height: 64px;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    overflow: hidden; cursor: pointer;
    background: var(--c-card);
}
.gallery-thumbs .th img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs .th.active { border-color: var(--c-accent); }

.detail-info h1 {
    font-size: 22px; font-weight: 600; margin: 0 0 var(--s-2);
    color: var(--c-text); line-height: 1.4;
}
.detail-info .ds {
    font-size: 13px; color: var(--c-text-soft); margin-bottom: var(--s-4);
}
.price-box {
    background: linear-gradient(135deg, #FAF1EB 0%, #F5E6D8 100%);
    border-radius: var(--r-md);
    padding: var(--s-4) var(--s-5);
    margin-bottom: var(--s-4);
}
.price-box .lbl { font-size: 12px; color: var(--c-text-soft); }
.price-box .cur { font-size: 14px; color: var(--c-accent); }
.price-box .v { font-size: 28px; font-weight: 700; color: var(--c-accent); margin-right: var(--s-3); }
.price-box .u { font-size: 13px; color: var(--c-text-soft); }
.price-tier {
    display: flex; gap: var(--s-4); margin-top: var(--s-3);
    font-size: 12px; color: var(--c-text-soft);
}
.price-tier .t { padding: 3px 10px; background: rgba(194, 107, 77, 0.10); border-radius: var(--r-sm); }

.spec-list {
    background: var(--c-card); border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md); overflow: hidden;
    margin-bottom: var(--s-4);
}
.spec-list .row {
    display: grid; grid-template-columns: 110px 1fr;
    padding: 10px var(--s-4);
    font-size: 13px;
    border-bottom: 1px solid var(--c-border-soft);
}
.spec-list .row:last-child { border-bottom: none; }
.spec-list .row .k { color: var(--c-text-soft); }
.spec-list .row .v { color: var(--c-text); }

.action-bar {
    display: flex; gap: var(--s-3); margin-top: var(--s-5);
}
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
    padding: 10px 22px; border-radius: var(--r-sm);
    font-size: 13px; font-weight: 500;
    transition: all 0.2s; cursor: pointer;
}
.btn-primary {
    background: var(--c-accent); color: white;
}
.btn-primary:hover { background: var(--c-accent-dark); }
.btn-outline {
    background: transparent; border: 1px solid var(--c-primary);
    color: var(--c-primary);
}
.btn-outline:hover { background: var(--c-bg-soft); }
.btn-lg { padding: 14px 36px; font-size: 14px; }
.btn-block { width: 100%; }

.qty-input {
    display: inline-flex; align-items: center;
    border: 1px solid var(--c-border); border-radius: var(--r-sm);
    overflow: hidden;
}
.qty-input button {
    width: 36px; height: 38px;
    background: var(--c-bg-soft); color: var(--c-text);
    font-size: 16px;
}
.qty-input button:hover { background: var(--c-border); }
.qty-input input {
    width: 60px; height: 38px;
    border: none; outline: none;
    text-align: center; font-size: 14px;
}

/* ==================== 购物车 ==================== */
.cart-table {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    overflow: hidden;
}
.cart-table .th, .cart-table .tr {
    display: grid;
    grid-template-columns: 100px 1fr 120px 120px 120px 60px;
    align-items: center;
    padding: var(--s-3) var(--s-4);
    border-bottom: 1px solid var(--c-border-soft);
}
.cart-table .th {
    background: var(--c-bg-soft);
    font-size: 12px; color: var(--c-text-soft); font-weight: 600;
}
.cart-table .tr:last-child { border-bottom: none; }
.cart-table .ci { display: flex; align-items: center; gap: var(--s-3); }
.cart-table .ci img {
    width: 80px; height: 80px; object-fit: cover;
    border-radius: var(--r-sm); border: 1px solid var(--c-border-soft);
}
.cart-table .cn { font-size: 13px; color: var(--c-text); }
.cart-table .cs { font-size: 11px; color: var(--c-text-mute); }
.cart-table .cu { font-size: 14px; color: var(--c-accent); font-weight: 600; }
.cart-table .rm {
    color: var(--c-text-mute); cursor: pointer; font-size: 18px;
}
.cart-table .rm:hover { color: var(--c-danger); }

.cart-summary {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-4);
    margin-top: var(--s-4);
    display: flex; justify-content: space-between; align-items: center;
}
.cart-summary .total {
    font-size: 14px; color: var(--c-text);
}
.cart-summary .total .v {
    font-size: 26px; font-weight: 700; color: var(--c-accent);
    margin: 0 var(--s-2);
}

/* ==================== 表单 ==================== */
.form-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-4);
    background: var(--c-card);
    padding: var(--s-5);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    margin-bottom: var(--s-4);
}
.form-field { display: flex; flex-direction: column; }
.form-field label {
    font-size: 12px; color: var(--c-text-soft);
    margin-bottom: 6px;
}
.form-field label .req { color: var(--c-danger); }
.form-field input, .form-field select, .form-field textarea {
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    padding: 10px var(--s-3);
    font-size: 13px;
    font-family: inherit;
    background: var(--c-bg);
    color: var(--c-text);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    outline: none; border-color: var(--c-accent);
}
.form-field.full { grid-column: 1 / -1; }

/* ---------- 发票开关 toggle ---------- */
.inv-switch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--c-text-soft);
    user-select: none;
}
.inv-switch input { display: none; }
.inv-switch-slider {
    position: relative;
    width: 36px;
    height: 20px;
    background: #D8D8D8;
    border-radius: 10px;
    transition: background 0.2s;
    flex-shrink: 0;
}
.inv-switch-slider::after {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 16px; height: 16px;
    background: white;
    border-radius: 50%;
    transition: left 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.inv-switch input:checked + .inv-switch-slider {
    background: var(--c-primary);
}
.inv-switch input:checked + .inv-switch-slider::after {
    left: 18px;
}
.inv-switch-text {
    font-weight: 500;
    color: var(--c-text);
}

/* ==================== 标签页 ==================== */
.tabs {
    display: flex; gap: var(--s-6);
    border-bottom: 2px solid var(--c-border-soft);
    margin-bottom: var(--s-4);
}
.tabs button {
    padding: var(--s-3) 0;
    font-size: 14px;
    color: var(--c-text-soft);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.tabs button.active { color: var(--c-accent); border-bottom-color: var(--c-accent); font-weight: 600; }

/* ==================== 品牌推荐 ==================== */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--s-3);
}
.brand-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-4);
    text-align: center;
    transition: all 0.2s;
}
.brand-card:hover { border-color: var(--c-accent); }
.brand-card .bn { font-size: 14px; font-weight: 600; color: var(--c-text); margin-bottom: 4px; }
.brand-card .bd { font-size: 11px; color: var(--c-text-soft); }

/* ==================== 资讯列表 ==================== */
.news-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s-4);
}
.news-block {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    overflow: hidden;
}
.news-block .nh {
    padding: var(--s-3) var(--s-4);
    border-bottom: 1px solid var(--c-border-soft);
    font-size: 13px; font-weight: 600;
    display: flex; justify-content: space-between;
}
.news-block .nl { padding: var(--s-2) 0; }
.news-block .nl li {
    list-style: none;
    padding: 6px var(--s-4);
    font-size: 12px;
    display: flex; justify-content: space-between;
    color: var(--c-text);
    border-bottom: 1px dashed var(--c-border-soft);
}
.news-block .nl li:last-child { border-bottom: none; }
.news-block .nl li a { color: var(--c-text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-block .nl li a:hover { color: var(--c-accent); }
.news-block .nl li .d { color: var(--c-text-mute); font-size: 10px; margin-left: var(--s-2); }

/* ==================== 行业精选 ==================== */
.industry-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4);
}
.industry-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    overflow: hidden;
    transition: all 0.2s;
}
.industry-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.industry-card .ic-img {
    aspect-ratio: 4 / 3;
    background: var(--c-bg-soft);
    overflow: hidden;
}
.industry-card .ic-img img { width: 100%; height: 100%; object-fit: cover; }
.industry-card .ic-body { padding: var(--s-3); }
.industry-card .ic-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.industry-card .ic-desc { font-size: 12px; color: var(--c-text-soft); }

/* ==================== 订单状态卡片 ==================== */
.order-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-4);
    margin-bottom: var(--s-3);
}
.order-card .oh {
    display: flex; justify-content: space-between; align-items: center;
    padding-bottom: var(--s-3); margin-bottom: var(--s-3);
    border-bottom: 1px dashed var(--c-border);
}
.order-card .oid { font-size: 13px; color: var(--c-primary); font-weight: 600; }
.order-card .os { font-size: 11px; padding: 3px 10px; border-radius: var(--r-sm); }
.order-card .os.pending { background: rgba(212, 134, 74, 0.12); color: var(--c-warning); }
.order-card .os.confirmed { background: rgba(92, 126, 150, 0.12); color: var(--c-info); }
.order-card .os.paid { background: rgba(91, 138, 111, 0.12); color: var(--c-success); }
.order-card .os.shipped { background: rgba(92, 126, 150, 0.18); color: var(--c-info); }
.order-card .os.done { background: rgba(91, 138, 111, 0.18); color: var(--c-success); }
.order-card .os.cancelled { background: rgba(184, 90, 85, 0.12); color: var(--c-danger); }

/* ---------- 物流信息区块 ---------- */
.order-card .lg-block {
    margin-top: 12px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: 14px 16px;
    font-size: 12px;
}
.order-card .lg-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.order-card .lg-hint {
    font-size: 11px;
    color: var(--c-text-mute);
    font-weight: 400;
}
.order-card .lg-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 0;
}
.order-card .lg-row-col { align-items: flex-start; }
.order-card .lg-k {
    flex-shrink: 0;
    width: 70px;
    color: var(--c-text-mute);
    font-size: 12px;
}
.order-card .lg-v {
    flex: 1;
    color: var(--c-text);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.order-card .lg-tn {
    font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, monospace;
    background: white;
    border: 1px solid var(--c-border-soft);
    border-radius: 3px;
    padding: 2px 8px;
    font-size: 12px;
    color: var(--c-primary);
}
.order-card .lg-copy {
    border: 1px solid var(--c-border);
    background: white;
    color: var(--c-text-soft);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s;
}
.order-card .lg-copy:hover { color: var(--c-primary); border-color: var(--c-primary); }
.order-card .lg-query {
    color: var(--c-primary);
    text-decoration: none;
    font-size: 12px;
}
.order-card .lg-query:hover { text-decoration: underline; }
.order-card .lg-select,
.order-card .lg-textarea {
    flex: 1;
    border: 1px solid var(--c-border);
    border-radius: 3px;
    padding: 6px 10px;
    font-size: 12px;
    background: white;
    color: var(--c-text);
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
}
.order-card .lg-textarea { resize: vertical; min-height: 36px; }
.order-card .lg-select:focus,
.order-card .lg-textarea:focus { border-color: var(--c-primary); }
.order-card .lg-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}
.order-card .lg-save {
    background: var(--c-primary);
    color: white;
    border: none;
    border-radius: 3px;
    padding: 5px 16px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s;
}
.order-card .lg-save:hover:not(:disabled) { background: var(--c-primary-dark); }
.order-card .lg-save:disabled { opacity: 0.6; cursor: default; }
.order-card .lg-saved-hint { color: var(--c-text-mute); font-size: 11px; }

/* ==================== 页脚 ==================== */
.footer {
    background: var(--c-primary-dark);
    color: var(--c-text-on-dark);
    margin-top: var(--s-12);
    padding: var(--s-8) 0 var(--s-4);
}
.footer .fg {
    display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr 1.35fr; gap: var(--s-8);
    margin-bottom: var(--s-6);
}
.footer h4 { font-size: 13px; font-weight: 600; margin: 0 0 var(--s-3); opacity: 0.95; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 6px; }
.footer ul li a { color: rgba(255,255,255,0.7); font-size: 12px; }
.footer ul li a:hover { color: var(--c-accent-light); }
.footer .flogo { height: 36px; margin-bottom: var(--s-3); filter: brightness(0) invert(1); }
.footer .fdesc { font-size: 12px; opacity: 0.7; line-height: 1.6; }

/* 联系方式统一为 label + value 两列，与采购流程等链接列表视觉一致 */
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
    line-height: 1.5;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}
.footer-contact .fc-label {
    flex-shrink: 0;
    width: 52px;
    color: rgba(255,255,255,0.7);
    font-size: 11px;
}
.footer-contact .fc-value,
.footer-contact a.fc-value {
    flex: 1;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    word-break: break-word;
}
.footer-contact a.fc-value:hover { color: var(--c-accent-light); text-decoration: underline; }
.footer .fc {
    padding-top: var(--s-4); border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center; font-size: 11px; opacity: 0.6;
}

/* ==================== 浮动按钮 ==================== */
.floating-cart {
    position: fixed; right: 24px; bottom: 24px;
    width: 56px; height: 56px;
    background: var(--c-accent); color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer; z-index: 100;
}
.floating-cart:hover { background: var(--c-accent-dark); }
.floating-cart .badge {
    position: absolute; top: -4px; right: -4px;
    min-width: 20px; height: 20px; padding: 0 6px;
    background: var(--c-danger); color: white;
    border-radius: 10px; font-size: 11px; line-height: 20px; text-align: center;
}

/* ==================== 后台 ==================== */
.admin-shell { display: grid; grid-template-columns: 200px 1fr; min-height: 100vh; }
.admin-side {
    background: var(--c-primary-dark);
    color: var(--c-text-on-dark);
    padding: var(--s-5) 0;
}
.admin-side .ab { color: white; padding: var(--s-3) var(--s-5); font-weight: 600; font-size: 16px; margin-bottom: var(--s-4); display: block; }
.admin-side .al {
    display: block;
    padding: var(--s-3) var(--s-5);
    color: rgba(255,255,255,0.75);
    font-size: 13px;
    border-left: 3px solid transparent;
}
.admin-side .al:hover, .admin-side .al.active {
    background: rgba(255,255,255,0.05);
    border-left-color: var(--c-accent);
    color: white;
}
.admin-main { padding: var(--s-6); background: var(--c-bg); }
.admin-main .adm-h { font-size: 20px; margin: 0 0 var(--s-5); }
.admin-table { width: 100%; background: var(--c-card); border-collapse: collapse; border-radius: var(--r-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.admin-table th, .admin-table td { padding: 10px var(--s-4); text-align: left; font-size: 13px; border-bottom: 1px solid var(--c-border-soft); }
.admin-table th { background: var(--c-bg-soft); color: var(--c-text-soft); font-weight: 600; }
.admin-table tr:hover { background: var(--c-bg-soft); }

.status-select {
    padding: 4px 10px; border-radius: var(--r-sm);
    border: 1px solid var(--c-border);
    background: var(--c-card);
    font-size: 12px;
    color: var(--c-text);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .main-wrap { grid-template-columns: 1fr; }
    .side-nav { display: none; }
    .product-grid, .cat-grid, .industry-grid { grid-template-columns: repeat(3, 1fr); }
    .product-detail { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .product-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .hero { padding: var(--s-5); }
    .hero h1 { font-size: 22px; }
}
/* ============================================================
   关于我们页面（about.html）
   ============================================================ */
.about-hero {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    color: white;
    padding: 64px 0 72px;
}
.about-hero-inner { max-width: 760px; }
.about-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    padding: 4px 12px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 2px;
    margin-bottom: 18px;
}
.about-hero h1 {
    font-size: 36px;
    line-height: 1.4;
    margin: 0 0 18px;
    font-weight: 700;
}
.about-hero p {
    font-size: 15px;
    line-height: 1.85;
    opacity: 0.92;
    margin: 0 0 28px;
}
.about-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-lg, .btn-ghost-lg {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 2px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.18s;
}
.btn-primary-lg {
    background: white;
    color: var(--c-primary);
}
.btn-primary-lg:hover {
    background: #FFF8F2;
    color: var(--c-primary-dark);
}
.btn-ghost-lg {
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.5);
}
.btn-ghost-lg:hover {
    background: rgba(255,255,255,0.12);
    color: white;
}

/* 数据统计 */
.about-stats { background: white; padding: 36px 0; border-bottom: 1px solid var(--c-border); }
.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
.stat-item { padding: 8px 0; }
.stat-num {
    font-size: 38px;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.1;
    margin-bottom: 4px;
}
.stat-num small { font-size: 16px; font-weight: 500; margin-left: 2px; }
.stat-label { font-size: 13px; color: var(--c-text-soft); }

/* 段落 */
.about-section { padding: 64px 0; }
.about-section.about-gray { background: white; }
.sec-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--c-primary);
    margin-bottom: 8px;
}
.sec-title {
    font-size: 28px;
    margin: 0 0 40px;
    font-weight: 700;
}

/* 2列布局 */
.about-2col {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}
.about-2col h2 { font-size: 26px; margin: 0 0 18px; font-weight: 700; }
.about-2col p { font-size: 14px; line-height: 1.9; color: var(--c-text-soft); margin: 0 0 14px; }
.about-2col strong { color: var(--c-text); font-weight: 600; }

.col-img { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.img-card { border-radius: 6px; overflow: hidden; }
.img-card-1, .img-card-3 { grid-column: span 1; }
.img-card-2 { grid-column: span 2; aspect-ratio: 16/7; }
.img-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--c-primary-light) 0%, #FFFBF5 100%);
    color: var(--c-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
}
.img-placeholder svg { width: 64px; height: 64px; opacity: 0.7; }
.img-placeholder span { font-size: 13px; color: var(--c-text-soft); }

/* 能力卡片 */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cap-card {
    background: white;
    padding: 28px 24px;
    border-radius: 6px;
    border: 1px solid var(--c-border);
    transition: all 0.2s;
}
.cap-card:hover { border-color: var(--c-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cap-icon { font-size: 36px; margin-bottom: 14px; }
.cap-card h3 { font-size: 18px; margin: 0 0 14px; font-weight: 700; }
.cap-card ul { margin: 0 0 16px; padding: 0; list-style: none; }
.cap-card li {
    font-size: 13px;
    color: var(--c-text-soft);
    padding: 4px 0 4px 18px;
    position: relative;
    line-height: 1.7;
}
.cap-card li::before {
    content: "";
    position: absolute;
    left: 0; top: 13px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--c-primary);
}
.cap-sku {
    display: inline-block;
    background: var(--c-primary-light);
    color: var(--c-primary-dark);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 2px;
    font-weight: 500;
}

/* 时间轴 */
.timeline { position: relative; padding-left: 0; max-width: 800px; margin: 0 auto; }
.timeline::before {
    content: "";
    position: absolute;
    left: 96px; top: 0; bottom: 0;
    width: 2px;
    background: var(--c-border);
}
.t-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 32px;
    margin-bottom: 28px;
    position: relative;
}
.t-year {
    text-align: right;
    font-size: 24px;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1;
    padding-top: 6px;
}
.t-content {
    background: white;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 18px 24px;
    position: relative;
}
.t-content::before {
    content: "";
    position: absolute;
    left: -10px; top: 22px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--c-primary);
    border: 3px solid white;
    box-shadow: 0 0 0 1px var(--c-primary);
}
.t-content h4 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.t-content p { margin: 0; font-size: 13px; color: var(--c-text-soft); line-height: 1.7; }

/* 资质 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card {
    background: var(--c-bg-soft);
    padding: 28px 24px;
    text-align: center;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.cert-card:hover { background: white; border-color: var(--c-primary); }
.cert-icon { font-size: 36px; margin-bottom: 12px; }
.cert-card h4 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.cert-card p { margin: 0; font-size: 13px; color: var(--c-text-soft); }

/* 服务承诺 */
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.promise-item { padding: 24px 0; }
.pi-num {
    font-size: 14px;
    color: var(--c-primary);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 8px;
}
.promise-item h4 { font-size: 18px; margin: 0 0 10px; font-weight: 600; }
.promise-item p { margin: 0; font-size: 13px; color: var(--c-text-soft); line-height: 1.8; }

/* 服务行业 */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ind-item {
    background: white;
    padding: 24px 20px;
    text-align: center;
    border-radius: 6px;
    border: 1px solid var(--c-border);
    transition: all 0.18s;
}
.ind-item:hover { border-color: var(--c-primary); transform: translateY(-2px); }
.ind-icon { font-size: 32px; margin-bottom: 8px; }
.ind-item span { font-size: 14px; color: var(--c-text); }

/* CTA */
.about-cta {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    color: white;
    padding: 56px 0;
    text-align: center;
}
.about-cta h2 { font-size: 28px; margin: 0 0 12px; font-weight: 700; }
.about-cta p { margin: 0 0 28px; opacity: 0.92; }
.cta-row { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   登录 / 注册页面（淘宝风格：左色块 + 右表单）
   ============================================================ */
.auth-page {
    min-height: calc(100vh - 200px);
    background: var(--c-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
}
.auth-wrap {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    max-width: 920px;
    width: 100%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.auth-side {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    color: white;
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth-side::before {
    content: "";
    position: absolute;
    top: -80px; right: -80px;
    width: 240px; height: 240px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
}
.auth-side::after {
    content: "";
    position: absolute;
    bottom: -100px; left: -60px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}
.auth-side-inner { position: relative; z-index: 1; }
.auth-brand {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.auth-tagline {
    font-size: 13px;
    opacity: 0.85;
    margin-bottom: 48px;
}
.auth-features { margin-top: 36px; }
.auth-feat { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: 13px; opacity: 0.95; }
.auth-feat::before {
    content: "✓";
    width: 20px; height: 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}
.auth-bottom { position: relative; z-index: 1; font-size: 12px; opacity: 0.7; }

.auth-form {
    padding: 56px 48px;
}
.auth-tabs { display: flex; gap: 32px; margin-bottom: 32px; border-bottom: 1px solid var(--c-border); }
.auth-tab {
    padding: 12px 4px;
    font-size: 16px;
    color: var(--c-text-soft);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-weight: 500;
    cursor: pointer;
}
.auth-tab.active { color: var(--c-primary); border-bottom-color: var(--c-primary); font-weight: 600; }
.auth-title { font-size: 22px; margin: 0 0 24px; font-weight: 700; }
.auth-field { margin-bottom: 18px; }
.auth-label { display: block; font-size: 13px; color: var(--c-text-soft); margin-bottom: 6px; }
.auth-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.18s;
    outline: none;
    font-family: inherit;
}
.auth-input:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(255, 80, 0, 0.12);
}
.auth-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font-size: 13px; }
.auth-row label { color: var(--c-text-soft); cursor: pointer; }
.auth-row a { color: var(--c-primary); }
.auth-checkbox { margin-right: 6px; vertical-align: -2px; }
.auth-submit {
    width: 100%;
    padding: 12px 0;
    background: var(--c-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.18s;
    margin-top: 4px;
}
.auth-submit:hover { background: var(--c-primary-dark); }
.auth-submit:disabled { background: var(--c-text-mute); cursor: not-allowed; }
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0 18px;
    color: var(--c-text-mute);
    font-size: 12px;
}
.auth-divider::before, .auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--c-border);
}
.auth-social { display: flex; gap: 12px; }
.auth-social-btn {
    flex: 1;
    padding: 10px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: 13px;
    color: var(--c-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.18s;
}
.auth-social-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.auth-error {
    background: var(--c-accent-light);
    color: var(--c-accent-dark);
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 18px;
    display: none;
}
.auth-error.show { display: block; }
.auth-success {
    background: #E8F5EE;
    color: #2D7A4D;
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 18px;
    display: none;
}
.auth-success.show { display: block; }

/* 响应式 */
@media (max-width: 768px) {
    .auth-wrap { grid-template-columns: 1fr; }
    .auth-side { padding: 36px 28px; }
    .auth-form { padding: 36px 28px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .about-hero h1 { font-size: 26px; }
    .about-2col { grid-template-columns: 1fr; gap: 32px; }
    .cap-grid, .cert-grid, .promise-grid { grid-template-columns: 1fr; }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 60px; }
    .t-item { grid-template-columns: 56px 1fr; gap: 20px; }
}

/* ==========================================================
   首页 v3.0 重做版（淘宝色系）
   ========================================================== */

/* ---------- Hero v3（降饱和度版：浅米橙底 + 局部橙色点缀） ---------- */
.hero-v3 {
    position: relative;
    background: linear-gradient(135deg, #FFF8F2 0%, #FFEFE0 50%, #FFE0CC 100%);
    color: var(--c-text);
    border-radius: var(--r-lg);
    margin: var(--s-5) auto var(--s-8);
    overflow: hidden;
    border: 1px solid #F5E0CC;
}
.hero-v3-bg {
    position: absolute; inset: 0;
    background:
      radial-gradient(circle at 20% 30%, rgba(255, 120, 40, 0.10) 0%, transparent 40%),
      radial-gradient(circle at 85% 70%, rgba(255, 80, 0, 0.08) 0%, transparent 50%);
    pointer-events: none;
}
.hero-v3-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--s-10);
    padding: var(--s-12) var(--s-8) var(--s-10);
    align-items: center;
}
.hero-v3-left { min-width: 0; }
.hero-v3-tagline {
    display: flex; align-items: center; gap: var(--s-3);
    margin-bottom: var(--s-4);
}
.hero-v3-tag {
    background: var(--c-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}
.hero-v3-sub {
    font-size: 11px;
    color: var(--c-text-soft);
    letter-spacing: 2px;
}
.hero-v3-title {
    font-size: 42px;
    font-weight: 700;
    margin: 0 0 var(--s-4);
    line-height: 1.2;
    letter-spacing: 1px;
    color: var(--c-text);
}
.hero-v3-title span {
    color: var(--c-primary);
    position: relative;
}
.hero-v3-desc {
    font-size: 14px;
    color: var(--c-text-soft);
    line-height: 1.8;
    margin: 0 0 var(--s-6);
    max-width: 540px;
}
.hero-v3-trust {
    display: flex; flex-wrap: wrap; gap: var(--s-3);
    margin-bottom: var(--s-4);
}
.trust-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px;
    background: white;
    border: 1px solid #F0DCC8;
    border-radius: 20px;
    color: var(--c-text);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}
.trust-chip svg { width: 14px; height: 14px; }
.trust-chip:hover {
    background: var(--c-primary);
    color: white;
    border-color: var(--c-primary);
}
.trust-chip:hover svg { stroke: white; }

.hero-v3-right {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-v3-svg {
    width: 100%;
    max-width: 360px;
    height: auto;
    filter: drop-shadow(0 12px 24px rgba(255, 80, 0, 0.15));
    animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

/* Hero 底部 4 数据条 — 改为白底卡片式，更清爽 */
.hero-v3-stats {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-3);
    padding: var(--s-5) var(--s-8);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    border-top: 1px solid rgba(255, 80, 0, 0.10);
}
.stat-item {
    text-align: center;
    padding: var(--s-3) var(--s-4);
    background: white;
    border-radius: var(--r-md);
    border: 1px solid #F5E0CC;
}
.stat-num {
    font-size: 30px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
    letter-spacing: 1px;
    color: var(--c-primary);
}
.stat-num .stat-unit {
    font-size: 16px;
    font-weight: 400;
    margin-left: 2px;
    color: var(--c-primary-dark);
}
.stat-lbl {
    font-size: 12px;
    color: var(--c-text-soft);
    letter-spacing: 1px;
}

/* ---------- 产品专区（6 个大卡横排） ---------- */
.cat-quick {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--s-4);
}
.cat-quick-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--s-6) var(--s-3) var(--s-5);
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    text-decoration: none;
    color: var(--c-text);
    transition: all 0.25s;
    overflow: hidden;
}
.cat-quick-item:hover {
    border-color: var(--c-primary);
    box-shadow: 0 8px 20px rgba(255, 80, 0, 0.12);
    transform: translateY(-3px);
}
.cq-zone-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
    opacity: 0;
    transition: opacity 0.25s;
}
.cat-quick-item:hover .cq-zone-bar { opacity: 1; }
.cq-icon {
    font-size: 38px;
    margin-bottom: var(--s-3);
    line-height: 1;
}
.cq-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--c-text);
    text-align: center;
}
.cq-count {
    font-size: 11px;
    color: var(--c-text-mute);
    text-align: center;
    line-height: 1.5;
}

/* ---------- 行业方案 v3 ---------- */
.industry-grid-v3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-4);
}
.ind-card {
    display: flex;
    align-items: flex-start;
    gap: var(--s-4);
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-5);
    transition: all 0.2s;
}
.ind-card:hover {
    border-color: var(--c-primary);
    box-shadow: 0 4px 12px rgba(255,80,0,0.08);
}
.ind-icon {
    font-size: 32px;
    line-height: 1;
    flex-shrink: 0;
}
.ind-body { flex: 1; min-width: 0; }
.ind-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--s-2);
}
.ind-desc {
    font-size: 12px;
    color: var(--c-text-soft);
    line-height: 1.7;
    margin-bottom: var(--s-3);
}
.ind-link {
    font-size: 12px;
    color: var(--c-primary);
    text-decoration: none;
    font-weight: 500;
}
.ind-link:hover { color: var(--c-accent); }

/* ---------- 信任背书 v3 ---------- */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-4);
}
.trust-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-6) var(--s-4);
    text-align: center;
    transition: all 0.2s;
}
.trust-card:hover {
    border-color: var(--c-primary);
    box-shadow: 0 6px 18px rgba(255,80,0,0.10);
    transform: translateY(-2px);
}
.trust-icon {
    font-size: 40px;
    line-height: 1;
    margin-bottom: var(--s-3);
}
.trust-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--s-3);
}
.trust-desc {
    font-size: 12px;
    color: var(--c-text-soft);
    line-height: 1.7;
}

/* ---------- 品牌合作 v3 ---------- */
.brand-grid-v3 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--s-3);
}
.brand-card-v3 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-5) var(--s-3);
    text-decoration: none;
    color: var(--c-text);
    text-align: center;
    transition: all 0.2s;
    min-height: 100px;
}
.brand-card-v3:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    box-shadow: 0 4px 12px rgba(255,80,0,0.08);
}
.brand-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 1px;
}
.brand-sub {
    font-size: 11px;
    color: var(--c-text-mute);
}

/* ---------- 最新动态 v3 ---------- */
.news-grid-v3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-4);
}
.news-block-v3 {
    background: var(--c-card);
    border: 1px solid var(--c-border-soft);
    border-radius: var(--r-md);
    padding: var(--s-4) var(--s-5);
}
.news-head {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
    margin-bottom: var(--s-3);
    padding-bottom: var(--s-2);
    border-bottom: 1px solid var(--c-border-soft);
}
.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.news-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    font-size: 12px;
    color: var(--c-text-soft);
    border-bottom: 1px dashed var(--c-border-soft);
}
.news-list li:last-child { border-bottom: none; }
.news-list a {
    color: var(--c-text);
    text-decoration: none;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: var(--s-3);
}
.news-list a:hover { color: var(--c-primary); }
.news-list .d {
    font-size: 11px;
    color: var(--c-text-mute);
    flex-shrink: 0;
}

/* ---------- v3 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-v3-grid { grid-template-columns: 1fr; gap: var(--s-6); }
    .hero-v3-right { display: none; }
    .hero-v3-title { font-size: 32px; }
    .hero-v3-stats { grid-template-columns: repeat(2, 1fr); gap: var(--s-4); }
    .stat-item:nth-child(2) { border-right: none; }
    .cat-quick { grid-template-columns: repeat(4, 1fr); }
    .industry-grid-v3 { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .brand-grid-v3 { grid-template-columns: repeat(3, 1fr); }
    .news-grid-v3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .hero-v3-grid { padding: var(--s-6) var(--s-4) var(--s-5); }
    .hero-v3-title { font-size: 24px; }
    .hero-v3-stats { grid-template-columns: 1fr 1fr; }
    .cat-quick { grid-template-columns: repeat(3, 1fr); }
    .industry-grid-v3 { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: 1fr; }
    .brand-grid-v3 { grid-template-columns: repeat(2, 1fr); }
    .news-grid-v3 { grid-template-columns: 1fr; }
}