/* ============================================
   贵发祥殡葬用品服务平台 - 主样式文件
   色调：深墨色 + 金色 + 暖白
   ============================================ */

/* --- 变量 & 重置 --- */
:root {
    --dark:       #1a1f2e;
    --dark-2:     #252b3b;
    --dark-3:     #2e3547;
    --gold:       #c8a052;
    --gold-light: #dbb96a;
    --gold-dark:  #a8832e;
    --white:      #ffffff;
    --off-white:  #f8f6f2;
    --light-bg:   #f2f0ec;
    --text:       #2d2d2d;
    --text-light: #666666;
    --text-muted: #999999;
    --border:     #e0dbd2;
    --shadow:     0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg:  0 8px 40px rgba(0,0,0,0.14);
    --radius:     8px;
    --radius-lg:  16px;
    --transition: 0.28s ease;
    --serif:      'Noto Serif SC', serif;
    --sans:       'Noto Sans SC', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--sans);
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- 容器 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- 通用布局 --- */
.section { padding: 80px 0; }
.section-light { background: var(--light-bg); }
.section-dark { background: var(--dark); color: var(--white); }
.text-center { text-align: center; }
.mt-4 { margin-top: 48px; }

/* --- 按钮 --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    font-family: var(--sans);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
    background: var(--gold);
    color: var(--white);
    border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-dark); border-color: var(--gold-dark); }

.btn-gold {
    background: var(--gold);
    color: var(--dark);
    border-color: var(--gold);
    font-weight: 600;
}
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(200,160,82,0.35); }

.btn-outline {
    background: transparent;
    color: var(--dark);
    border-color: var(--dark);
}
.btn-outline:hover { background: var(--dark); color: var(--white); }

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

/* --- 区块标题 --- */
.section-header { text-align: center; margin-bottom: 56px; }

.section-tag {
    display: inline-block;
    padding: 5px 18px;
    background: rgba(200,160,82,0.12);
    color: var(--gold-dark);
    border: 1px solid rgba(200,160,82,0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}
.section-tag-gold { background: rgba(200,160,82,0.2); border-color: var(--gold); color: var(--gold-light); }

.section-title {
    font-family: var(--serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.3;
}
.section-title.white { color: var(--white); }

.section-desc { color: var(--text-light); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }
.section-desc.light { color: rgba(255,255,255,0.65); }

/* ============================================
   顶栏
   ============================================ */
.topbar {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(200,160,82,0.2);
}
.topbar-inner {
    display: flex;
    align-items: center;
    gap: 24px;
}
.topbar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.topbar-right { margin-left: auto; color: var(--gold); font-weight: 500; letter-spacing: 0.06em; }

.topbar-link {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color var(--transition);
}
.topbar-link:hover { color: var(--gold); }

.icon-sm { width: 14px; height: 14px; flex-shrink: 0; }

/* ============================================
   导航
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.1); }

.header-inner {
    display: flex;
    align-items: center;
    height: 68px;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--dark), var(--dark-3));
    color: var(--gold);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}
.logo-sub { font-size: 11px; color: var(--text-muted); letter-spacing: 0.05em; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--text-light);
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}
.nav-link:hover { color: var(--dark); background: var(--light-bg); }
.nav-link.active { color: var(--dark); font-weight: 600; }
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}

.nav-cta { margin-left: 12px; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 70% 50%, rgba(200,160,82,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 80%, rgba(200,160,82,0.05) 0%, transparent 50%),
        linear-gradient(135deg, #1a1f2e 0%, #252b3b 50%, #1e2537 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(200,160,82,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,160,82,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 80px 24px;
    max-width: 1200px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border: 1px solid rgba(200,160,82,0.4);
    background: rgba(200,160,82,0.08);
    border-radius: 50px;
    color: var(--gold);
    font-size: 13px;
    letter-spacing: 0.1em;
    margin-bottom: 28px;
}

.hero-title {
    font-family: var(--serif);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 24px;
}
.hero-title .gold { color: var(--gold); }

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.9;
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 0;
    align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 24px 36px;
    width: fit-content;
    backdrop-filter: blur(8px);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 32px;
    gap: 4px;
}

.stat-num {
    font-family: var(--serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}
.stat-plus { font-size: 1.2rem; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.55); }

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.15);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.4);
    font-size: 12px;
    animation: bounce 2s infinite;
}
.hero-scroll svg { width: 20px; height: 20px; }

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================
   优势卡片
   ============================================ */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.adv-card {
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--white);
    transition: all var(--transition);
}
.adv-card:hover { border-color: var(--gold); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.adv-card h3 { font-size: 1.05rem; font-weight: 600; margin: 16px 0 10px; color: var(--dark); }
.adv-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; }

.adv-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}
.adv-icon svg { width: 26px; height: 26px; }
.adv-icon-1 { background: rgba(200,160,82,0.1); color: var(--gold-dark); }
.adv-icon-2 { background: rgba(74,144,226,0.1); color: #4a90e2; }
.adv-icon-3 { background: rgba(80,200,120,0.1); color: #3d9e60; }
.adv-icon-4 { background: rgba(238,130,238,0.1); color: #9b59b6; }
.adv-icon-5 { background: rgba(255,165,0,0.1); color: #e67e22; }
.adv-icon-6 { background: rgba(200,160,82,0.1); color: var(--gold-dark); }

/* ============================================
   产品预览
   ============================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.product-card {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.product-card:hover {
    background: rgba(200,160,82,0.08);
    border-color: rgba(200,160,82,0.4);
    transform: translateY(-3px);
}

.product-icon {
    width: 52px;
    height: 52px;
    background: rgba(200,160,82,0.15);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}
.product-icon svg { width: 26px; height: 26px; }

.product-card h3 { font-size: 1rem; font-weight: 600; color: var(--white); }
.product-card p { font-size: 13px; color: rgba(255,255,255,0.5); flex: 1; }
.product-more { font-size: 13px; color: var(--gold); font-weight: 500; margin-top: 4px; }

/* ============================================
   流程
   ============================================ */
.process-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    justify-content: center;
}

.process-step {
    flex: 1;
    max-width: 220px;
    text-align: center;
    padding: 0 16px;
}

.step-num {
    font-family: var(--serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(200,160,82,0.2);
    line-height: 1;
    margin-bottom: 16px;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: var(--light-bg);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--gold-dark);
    transition: all var(--transition);
}
.step-icon svg { width: 28px; height: 28px; }
.process-step:hover .step-icon { background: var(--gold); color: var(--white); border-color: var(--gold); }

.process-step h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--dark); }
.process-step p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

.process-arrow {
    font-size: 1.5rem;
    color: var(--gold);
    padding-top: 88px;
    flex-shrink: 0;
    opacity: 0.5;
}

/* ============================================
   客户卡片
   ============================================ */
.client-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.client-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--white);
    transition: all var(--transition);
}
.client-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.client-card-featured {
    border-color: var(--gold);
    position: relative;
    overflow: hidden;
}
.client-card-featured::before {
    content: '主要客群';
    position: absolute;
    top: 16px;
    right: -24px;
    background: var(--gold);
    color: var(--dark);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 36px;
    transform: rotate(45deg);
    transform-origin: center;
}

.client-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--dark), var(--dark-3));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    margin-bottom: 20px;
}
.client-icon svg { width: 26px; height: 26px; }

.client-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.client-card p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; line-height: 1.7; }
.client-card ul { display: flex; flex-direction: column; gap: 6px; }
.client-card li {
    font-size: 13px;
    color: var(--text-light);
    padding-left: 16px;
    position: relative;
}
.client-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
}

/* ============================================
   CTA 区域
   ============================================ */
.cta-section { background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%); }

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 60px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(200,160,82,0.2);
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(8px);
}

.cta-content h2 {
    font-family: var(--serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}
.cta-content p { color: rgba(255,255,255,0.6); font-size: 1rem; }

.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; flex-shrink: 0; }

.cta-mini { padding: 40px 0; }
.cta-mini-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.cta-mini-inner h3 { font-size: 1.2rem; color: var(--white); margin-bottom: 6px; }
.cta-mini-inner p { color: rgba(255,255,255,0.55); font-size: 14px; }
.cta-mini-actions { display: flex; gap: 12px; flex-shrink: 0; flex-wrap: wrap; }

/* ============================================
   页面 Hero（内页）
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    padding: 60px 0 48px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 80% 50%, rgba(200,160,82,0.06) 0%, transparent 60%);
}

.page-hero .container { position: relative; }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.45);
    font-size: 13px;
    margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.45); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span:last-child { color: var(--gold); }

.page-hero h1 {
    font-family: var(--serif);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}
.page-hero p { color: rgba(255,255,255,0.6); font-size: 1rem; }

/* ============================================
   产品详情页
   ============================================ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    padding: 20px 24px;
    background: var(--light-bg);
    border-radius: var(--radius-lg);
}

.filter-label { font-size: 14px; color: var(--text-muted); flex-shrink: 0; }

.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-tab {
    padding: 7px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--white);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.filter-tab:hover { border-color: var(--gold); color: var(--gold-dark); }
.filter-tab.active { background: var(--dark); color: var(--gold); border-color: var(--dark); }

.products-list { display: flex; flex-direction: column; gap: 32px; }

.product-detail-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
}
.product-detail-card:hover { box-shadow: var(--shadow-lg); }

.pdc-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    background: linear-gradient(135deg, var(--dark), var(--dark-3));
    border-bottom: 2px solid rgba(200,160,82,0.3);
}

.pdc-icon {
    width: 56px;
    height: 56px;
    background: rgba(200,160,82,0.15);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    flex-shrink: 0;
}
.pdc-icon svg { width: 28px; height: 28px; }

.pdc-category {
    display: block;
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}
.pdc-title h2 { font-family: var(--serif); font-size: 1.3rem; color: var(--white); font-weight: 600; }

.pdc-body { padding: 32px; }
.pdc-desc { color: var(--text-light); font-size: 15px; line-height: 1.8; margin-bottom: 24px; }

.pdc-items h4 { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }

.item-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }

.item-tag {
    padding: 6px 16px;
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text);
}

.pdc-notice {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(200,160,82,0.06);
    border: 1px solid rgba(200,160,82,0.2);
    border-radius: var(--radius);
    margin-bottom: 24px;
    color: var(--text-light);
    font-size: 13px;
}
.pdc-notice svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--gold); margin-top: 1px; }

.pdc-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.empty-state svg { width: 56px; height: 56px; margin: 0 auto 20px; opacity: 0.3; }
.empty-state a { color: var(--gold); }

/* ============================================
   关于我们页
   ============================================ */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-intro-text .section-tag { margin-bottom: 12px; }

.about-intro-text h2 {
    font-family: var(--serif);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-lead {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-intro-text p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.85;
    margin-bottom: 14px;
}

.about-highlights {
    display: flex;
    gap: 0;
    margin-top: 32px;
    border-top: 1px solid var(--border);
    padding-top: 28px;
}

.highlight {
    flex: 1;
    text-align: center;
    padding: 0 16px;
    border-right: 1px solid var(--border);
}
.highlight:last-child { border-right: none; }
.highlight strong { display: block; font-family: var(--serif); font-size: 1.6rem; color: var(--gold-dark); margin-bottom: 4px; }
.highlight span { font-size: 12px; color: var(--text-muted); }

.brand-visual {
    width: 100%;
    aspect-ratio: 1;
    max-width: 380px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--dark) 0%, #1e2537 60%, var(--dark-3) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 48px;
    border: 1px solid rgba(200,160,82,0.15);
    box-shadow: var(--shadow-lg);
}

.bv-char {
    font-family: var(--serif);
    font-size: 7rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 12px;
    text-shadow: 0 0 40px rgba(200,160,82,0.3);
}
.bv-name { font-family: var(--serif); font-size: 1.6rem; color: var(--white); font-weight: 700; margin-bottom: 4px; }
.bv-sub { font-size: 13px; color: rgba(255,255,255,0.45); letter-spacing: 0.08em; margin-bottom: 24px; }
.bv-divider { width: 40px; height: 2px; background: var(--gold); margin-bottom: 20px; }
.bv-motto { font-size: 14px; color: var(--gold); letter-spacing: 0.12em; }

/* 价值观 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.value-card {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--gold); }

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--dark), var(--dark-3));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    margin: 0 auto 18px;
}
.value-icon svg { width: 28px; height: 28px; }

.value-card h3 { font-size: 1rem; font-weight: 600; color: var(--dark); margin-bottom: 10px; }
.value-card p { font-size: 13px; color: var(--text-light); line-height: 1.75; }

/* 服务列表 */
.service-list { display: flex; flex-direction: column; gap: 0; }

.service-item {
    display: flex;
    gap: 32px;
    padding: 36px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    align-items: flex-start;
}
.service-item:last-child { border-bottom: none; }

.service-num {
    font-family: var(--serif);
    font-size: 2.8rem;
    font-weight: 700;
    color: rgba(200,160,82,0.25);
    line-height: 1;
    flex-shrink: 0;
    width: 60px;
    text-align: right;
}

.service-content h3 { font-size: 1.1rem; font-weight: 600; color: var(--white); margin-bottom: 10px; }
.service-content p { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.8; }

/* ============================================
   联系页
   ============================================ */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 14px;
}
.contact-intro { color: var(--text-light); font-size: 14px; line-height: 1.8; margin-bottom: 32px; }

.contact-items { display: flex; flex-direction: column; gap: 24px; margin-bottom: 32px; }

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.ci-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--dark), var(--dark-3));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    flex-shrink: 0;
}
.ci-icon svg { width: 20px; height: 20px; }

.contact-item h4 { font-size: 13px; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.contact-item p { font-size: 15px; color: var(--dark); font-weight: 500; margin-bottom: 2px; }
.contact-item p a { color: var(--dark); }
.contact-item p a:hover { color: var(--gold-dark); }
.contact-item span { font-size: 12px; color: var(--text-muted); }

.contact-note {
    display: flex;
    gap: 10px;
    padding: 16px 18px;
    background: rgba(200,160,82,0.06);
    border: 1px solid rgba(200,160,82,0.2);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
}
.contact-note svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--gold); margin-top: 2px; }

/* 表单 */
.form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 44px 40px;
    border: 1px solid var(--border);
}

.form-card h2 {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-card > p { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }

.inquiry-form { display: flex; flex-direction: column; gap: 20px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
}
.required { color: #e53e3e; }

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--sans);
    color: var(--text);
    background: var(--off-white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(200,160,82,0.12);
    background: var(--white);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }

.form-tip { font-size: 12px; color: var(--text-muted); text-align: center; }
.form-tip strong { color: var(--gold-dark); }

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.spin {
    width: 18px;
    height: 18px;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 成功状态 */
.form-success {
    text-align: center;
    padding: 48px 24px;
}
.success-icon {
    width: 72px;
    height: 72px;
    background: rgba(52,168,83,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #34a853;
}
.success-icon svg { width: 36px; height: 36px; }
.form-success h3 { font-size: 1.3rem; font-weight: 600; color: var(--dark); margin-bottom: 10px; }
.form-success p { color: var(--text-light); font-size: 14px; margin-bottom: 24px; line-height: 1.75; }

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.65);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-logo .logo-icon { width: 38px; height: 38px; font-size: 18px; }
.footer-logo .logo-name { color: var(--white); font-size: 16px; }

.footer-desc { font-size: 13px; line-height: 1.85; margin-bottom: 12px; max-width: 280px; }
.footer-cert { font-size: 12px; color: var(--gold); letter-spacing: 0.08em; }

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}
.footer-col li a:hover { color: var(--gold); }

.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
.contact-list .icon-sm { flex-shrink: 0; margin-top: 2px; color: var(--gold); }
.contact-list a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color var(--transition);
}
.contact-list a:hover { color: var(--gold); }

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}
.footer-bottom a {
    color: rgba(255,255,255,0.3);
    text-decoration: none;
    transition: color var(--transition);
}
.footer-bottom a:hover {
    color: var(--gold);
    text-decoration: underline;
}

/* ============================================
   悬浮按钮
   ============================================ */
.float-contact {
    position: fixed;
    right: 24px;
    bottom: 36px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.float-btn {
    width: 48px;
    height: 48px;
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    transition: all var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
}
.float-btn svg { width: 20px; height: 20px; }
.float-btn:hover { transform: scale(1.1); }

.float-btn-primary { background: var(--gold); color: var(--dark); border-color: transparent; }
.float-btn-primary:hover { background: var(--gold-light); }

.float-btn-wechat { background: #07c160; color: #fff; border-color: transparent; }
.float-btn-wechat:hover { background: #06ad56; }

.float-wechat-wrap {
    position: static;
}

.float-qrcode-popup {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    position: fixed;
    right: 80px;
    bottom: 110px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 14px;
    text-align: center;
    width: 158px;
    border: 1px solid var(--border);
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 1001;
}
.float-qrcode-popup p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
    white-space: nowrap;
}
.float-qrcode-popup img {
    display: block;
    width: 130px;
    height: 130px;
    object-fit: contain;
    border-radius: var(--radius);
}
.float-qrcode-popup.show {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* 联系页微信二维码 */
.ci-icon-wechat { background: linear-gradient(135deg, var(--dark), var(--dark-3)); }

.wechat-qrcode {
    margin-top: 10px;
    width: 140px;
}
.wechat-qrcode img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

/* 页脚微信二维码 */
.footer-wechat-item { align-items: flex-start !important; }
.footer-wechat-item > div { display: flex; flex-direction: column; gap: 8px; }
.footer-wechat-item span { font-size: 13px; color: rgba(255,255,255,0.5); }

.footer-qrcode {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.05);
    padding: 4px;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro { grid-template-columns: 1fr; gap: 40px; }
    .brand-visual { max-width: 300px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero { min-height: auto; }
    .hero-content { padding: 60px 24px; }
    .hero-title { font-size: 2rem; }
    .hero-stats { padding: 18px 20px; flex-wrap: wrap; gap: 16px; }
    .stat-item { padding: 0 16px; }
    .stat-divider { display: none; }

    .nav { display: none; position: fixed; top: 68px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); gap: 0; }
    .nav.open { display: flex; }
    .nav-link { padding: 12px 16px; width: 100%; }
    .nav-link.active::after { display: none; }
    .nav-cta { width: 100%; justify-content: center; margin-left: 0; margin-top: 8px; }
    .menu-toggle { display: flex; }

    .topbar { display: none; }
    .header-inner { gap: 16px; }

    .adv-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr 1fr; }
    .client-cards { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr 1fr; }
    .process-steps { flex-direction: column; align-items: center; }
    .process-arrow { display: none; }
    .cta-box { flex-direction: column; padding: 36px 28px; text-align: center; }
    .cta-actions { justify-content: center; }
    .cta-mini-inner { flex-direction: column; text-align: center; }
    .cta-mini-actions { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-card { padding: 28px 20px; }
    .form-row { grid-template-columns: 1fr; }
    .section-title { font-size: 1.6rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .filter-tabs { gap: 6px; }
    .hero-stats { width: 100%; justify-content: center; }
    .about-highlights { flex-wrap: wrap; }
    .highlight { flex: 0 0 calc(50% - 8px); min-width: 0; }
}