/* ============================================================
   达州飞宇软件 · 综合站 www.dzfy.net
   依赖 style.css 的变量与基础组件，这里只做本站专属布局
   ============================================================ */

/* ---------- 顶部导航下拉 ---------- */
.nav-links .has-drop { position: relative; }
.drop-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 10px;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 60;
}
.nav-links .has-drop:hover .drop-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.drop-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.drop-menu a:hover { background: var(--primary-bg); }
.drop-menu a strong { display: block; font-size: 0.9375rem; margin-bottom: 3px; }
.drop-menu a span { display: block; font-size: 0.75rem; color: var(--text-light); line-height: 1.5; }

/* ---------- Hero ---------- */
.w-hero {
    padding: 128px 0 72px;
    background: linear-gradient(140deg, #F6F9FF 0%, #EAF1FF 45%, #E3EEFF 100%);
    position: relative;
    overflow: hidden;
}
.w-hero::after {
    content: '';
    position: absolute;
    width: 720px; height: 720px;
    right: -220px; top: -260px;
    background: radial-gradient(circle, rgba(18,70,160,0.07) 0%, transparent 68%);
    border-radius: 50%;
}
.w-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.w-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid #DCE7FA;
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 7px 15px;
    border-radius: 999px;
    margin-bottom: 22px;
    box-shadow: var(--shadow-sm);
}
.w-hero-text h1 {
    font-size: 3.1rem;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.03em;
    color: var(--text-dark);
    margin-bottom: 20px;
}
.w-hero-text h1 .hl {
    color: var(--primary);
    position: relative;
    white-space: nowrap;
}
.w-hero-text h1 .hl::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 4px;
    height: 10px;
    background: rgba(249,115,22,0.22);
    border-radius: 4px;
    z-index: -1;
}
.w-hero-sub {
    font-size: 1.0625rem;
    color: var(--text-mid);
    line-height: 1.85;
    max-width: 520px;
    margin-bottom: 30px;
}
.w-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.w-hero-meta { display: flex; gap: 22px; flex-wrap: wrap; }
.w-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.875rem;
    color: var(--text-mid);
}
.w-hero-meta i { color: #10B981; font-size: 0.75rem; }

.w-hero-cards { display: flex; flex-direction: column; gap: 16px; }
.w-brand-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 22px 24px;
    border: 1px solid #E6EDF9;
    border-left: 4px solid var(--bc, var(--primary));
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: block;
}
.w-brand-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--bc, var(--primary));
}
.w-brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--bc, var(--primary));
    margin-bottom: 3px;
}
.w-brand-full { font-size: 0.75rem; color: var(--text-light); margin-bottom: 8px; }
.w-brand-card p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 10px; }
.w-brand-more { font-size: 0.8125rem; font-weight: 600; color: var(--bc, var(--primary)); }

/* ---------- 区块通用 ---------- */
.w-brands-sec { background: #fff; }
.w-prod-sec { background: #F8FAFF; }
.w-adv-sec { background: #fff; }
.w-scen-sec { background: #F8FAFF; }
.w-svc-sec { background: #fff; }
.w-faq-sec { background: #fff; }

/* ---------- 三条产品线说明 ---------- */
.w-brand-intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.w-brand-intro {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid #E6EDF9;
    border-top: 4px solid var(--bc, var(--primary));
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.w-brand-intro:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.w-brand-intro h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.w-brand-sub { font-size: 0.8125rem; color: var(--bc, var(--primary)); font-weight: 600; margin-bottom: 14px; }
.w-brand-intro p { font-size: 0.9375rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 18px; }
.w-brand-intro ul { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 9px; }
.w-brand-intro li {
    display: flex; align-items: flex-start; gap: 9px;
    font-size: 0.875rem; color: var(--text-dark);
}
.w-brand-intro li i { color: #10B981; font-size: 0.75rem; margin-top: 4px; flex-shrink: 0; }
.w-brand-link {
    margin-top: auto;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bc, var(--primary));
}

/* ---------- 产品卡片 ---------- */
.w-prod-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.w-prod-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 26px 24px;
    border: 1px solid #E6EDF9;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.w-prod-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--bc, var(--primary));
}
.w-prod-brand {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--bc, var(--primary));
    background: color-mix(in srgb, var(--bc, #1246A0) 8%, white);
    padding: 4px 10px;
    border-radius: 999px;
    align-self: flex-start;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}
.w-prod-card h3 { font-size: 1.1875rem; font-weight: 700; color: var(--text-dark); margin-bottom: 7px; }
.w-prod-cat { font-size: 0.75rem; color: var(--text-light); margin-bottom: 10px; }
.w-prod-tag { font-size: 0.9375rem; font-weight: 600; color: var(--bc, var(--primary)); margin-bottom: 10px; }
.w-prod-sum { font-size: 0.875rem; color: var(--text-mid); line-height: 1.7; margin-bottom: 16px; }
.w-prod-hl { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 7px; }
.w-prod-hl li { display: flex; align-items: flex-start; gap: 8px; font-size: 0.8125rem; color: var(--text-mid); }
.w-prod-hl i { color: #10B981; font-size: 0.7rem; margin-top: 4px; flex-shrink: 0; }
.w-prod-actions {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid #F1F5F9;
}
.w-prod-link { font-size: 0.875rem; font-weight: 600; color: var(--text-dark); }
.w-prod-link:hover { color: var(--bc, var(--primary)); }
.w-prod-trial {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #fff;
    background: var(--bc, var(--primary));
    padding: 7px 15px;
    border-radius: 999px;
    transition: var(--transition);
}
.w-prod-trial:hover { background: var(--accent); }

/* ---------- 优势 ---------- */
.w-adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.w-adv-item { padding: 26px 24px; background: #F8FAFF; border-radius: var(--radius-md); border: 1px solid #EDF2FB; }
.w-adv-num {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}
.w-adv-item h3 { font-size: 1.0625rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.w-adv-item p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.8; }

/* ---------- 场景卡片 ---------- */
.w-scen-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.w-scen-grid.two { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.w-scen-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 24px 22px;
    border: 1px solid #E6EDF9;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    color: inherit;
}
a.w-scen-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.w-scen-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--text-dark); margin-bottom: 14px; }
.w-scen-pain, .w-scen-sol { margin-bottom: 14px; }
.w-scen-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: #B45309;
    background: #FEF3C7;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
}
.w-scen-tag.ok { color: #047857; background: #D1FAE5; }
.w-scen-pain p, .w-scen-sol p { font-size: 0.8125rem; color: var(--text-mid); line-height: 1.7; }
.w-scen-prods { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.w-mini-prod {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bc, var(--primary));
    background: color-mix(in srgb, var(--bc, #1246A0) 8%, white);
    padding: 4px 10px;
    border-radius: 999px;
}
.w-scen-more { margin-top: auto; font-size: 0.8125rem; font-weight: 600; color: var(--primary); }

/* ---------- 服务 ---------- */
.w-svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.w-svc-item {
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.w-svc-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.w-svc-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.125rem;
    margin-bottom: 18px;
}
.w-svc-item h3 { font-size: 1.0625rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.w-svc-item p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.8; }

/* ---------- 咨询区（深色） ---------- */
.w-consult-sec {
    background: linear-gradient(135deg, #0A3578 0%, #1246A0 55%, #2E6BD6 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.w-consult-sec::before {
    content: '';
    position: absolute;
    width: 620px; height: 620px;
    top: -46%; right: -14%;
    background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%);
    border-radius: 50%;
}
.w-consult-sec .section-label {
    color: #fff;
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.28);
}
.w-consult-sec .section-title { color: #fff; }
.w-consult-sec .section-subtitle { color: rgba(255,255,255,0.82); }
.w-consult-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 40px;
    align-items: start;
    position: relative;
    z-index: 1;
}
.w-consult-info h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 20px; }
.w-contact-lines { display: flex; flex-direction: column; gap: 14px; }
.w-contact-line {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: var(--radius-sm);
    color: #fff;
    transition: var(--transition);
}
.w-contact-line:hover { background: rgba(255,255,255,0.17); }
.w-contact-line i {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.16);
    border-radius: 9px;
    font-size: 0.875rem;
    flex-shrink: 0;
}
.w-contact-line div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.w-contact-line span { font-size: 0.6875rem; color: rgba(255,255,255,0.62); }
.w-contact-line strong { font-size: 0.9375rem; font-weight: 600; word-break: break-all; }
.w-consult-note { margin-top: 18px; font-size: 0.8125rem; color: rgba(255,255,255,0.62); line-height: 1.7; }

.w-consult-form {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 30px;
    box-shadow: var(--shadow-xl);
    color: var(--text-dark);
}
.w-consult-form .form-group { margin-bottom: 16px; }
.w-consult-form label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 7px;
}
.w-consult-form input,
.w-consult-form select,
.w-consult-form textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-dark);
    background: #fff;
    transition: var(--transition);
}
.w-consult-form input:focus,
.w-consult-form select:focus,
.w-consult-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(18,70,160,0.1);
}
.w-consult-form textarea { min-height: 86px; resize: vertical; }
.w-consult-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- 页头 ---------- */
.w-page-head {
    padding: 118px 0 48px;
    background: linear-gradient(140deg, #F6F9FF 0%, #EAF1FF 100%);
    border-bottom: 1px solid #E6EDF9;
}
.w-crumb { font-size: 0.8125rem; color: var(--text-light); margin-bottom: 14px; }
.w-crumb a { color: var(--text-mid); }
.w-crumb a:hover { color: var(--primary); }
.w-crumb i { font-size: 0.6rem; margin: 0 8px; }
.w-page-head h1 {
    font-size: 2.375rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.w-page-head p { font-size: 1rem; color: var(--text-mid); line-height: 1.8; max-width: 720px; }

/* ---------- 品牌分区 ---------- */
.w-brand-sec { background: #fff; }
.w-brand-sec:nth-of-type(even) { background: #F8FAFF; }
.w-brand-head {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 32px;
    align-items: end;
    padding-bottom: 26px;
    margin-bottom: 32px;
    border-bottom: 3px solid var(--bc, var(--primary));
}
.w-brand-head h2 { font-size: 1.75rem; font-weight: 800; color: var(--bc, var(--primary)); letter-spacing: -0.02em; }
.w-brand-head-sub { font-size: 0.875rem; color: var(--text-light); margin-top: 6px; }
.w-brand-head-desc { font-size: 0.9375rem; color: var(--text-mid); line-height: 1.8; }

/* ---------- 产品详情 ---------- */
.w-detail-head { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 44px; align-items: start; }
.w-detail-brand {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bc, var(--primary));
    background: color-mix(in srgb, var(--bc, #1246A0) 10%, white);
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.w-detail-head h1 { font-size: 2.5rem; font-weight: 800; color: var(--text-dark); letter-spacing: -0.025em; margin-bottom: 10px; }
.w-detail-tag { font-size: 1.125rem; font-weight: 600; color: var(--bc, var(--primary)); margin-bottom: 14px; }
.w-detail-sum { font-size: 1rem; color: var(--text-mid); line-height: 1.85; margin-bottom: 26px; }
.w-detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.w-side-card {
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
    padding: 24px 22px;
    box-shadow: var(--shadow-sm);
}
.w-side-title { font-size: 0.75rem; font-weight: 700; color: var(--text-light); letter-spacing: 0.06em; margin-bottom: 16px; text-transform: uppercase; }
.w-side-item { padding: 11px 0; border-bottom: 1px dashed #EDF2FB; }
.w-side-item:last-child { border-bottom: none; padding-bottom: 0; }
.w-side-item strong { display: block; font-size: 0.875rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.w-side-item span { display: block; font-size: 0.8125rem; color: var(--text-mid); line-height: 1.65; }
.w-side-item a { color: var(--primary); }
.w-detail-sec { background: #fff; }

/* ---------- 解决方案 ---------- */
.w-sol-two { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.w-sol-block {
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
}
.w-sol-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8125rem; font-weight: 700; margin-bottom: 14px; }
.w-sol-label.bad { color: #B45309; }
.w-sol-label.good { color: #047857; }
.w-sol-text { font-size: 1rem; color: var(--text-dark); line-height: 1.9; }

/* ---------- 流程 ---------- */
.w-flow-sec { background: #F8FAFF; }
.w-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.w-flow-step {
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
    padding: 26px 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.w-flow-num {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 14px;
}
.w-flow-step h3 { font-size: 1.0625rem; font-weight: 700; color: var(--text-dark); margin-bottom: 9px; }
.w-flow-step p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.8; }

/* ---------- CTA 条 ---------- */
.w-cta-strip { background: linear-gradient(135deg, #0A3578 0%, #1246A0 100%); color: #fff; }
.w-cta-strip h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 14px; }
.w-cta-phone { font-size: 2.75rem; font-weight: 800; letter-spacing: -0.02em; }
.w-cta-phone a { color: var(--accent); }

/* ---------- 关于 ---------- */
.w-about-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.w-fact { text-align: center; padding: 26px 16px; background: #F8FAFF; border-radius: var(--radius-md); border: 1px solid #EDF2FB; }
.w-fact-num { font-size: 2.25rem; font-weight: 800; color: var(--primary); letter-spacing: -0.03em; line-height: 1; margin-bottom: 8px; }
.w-fact-label { font-size: 0.8125rem; color: var(--text-mid); }
.w-about-sec { background: #fff; }
.w-about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 44px; align-items: start; }
.w-about-text p { font-size: 1rem; color: var(--text-mid); line-height: 2; margin-bottom: 20px; }
.w-about-text p:last-child { margin-bottom: 0; }
.w-values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.w-value-card { background: #fff; border: 1px solid #E6EDF9; border-radius: var(--radius-md); padding: 28px 24px; box-shadow: var(--shadow-sm); }
.w-value-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.w-value-card p { font-size: 0.9375rem; color: var(--text-mid); line-height: 1.85; }

/* ---------- 联系页 ---------- */
.w-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.w-contact-cards { display: flex; flex-direction: column; gap: 14px; }
.w-contact-big {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    color: inherit;
}
a.w-contact-big:hover { border-color: var(--primary); transform: translateX(4px); box-shadow: var(--shadow-md); }
.w-contact-big i {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.0625rem;
    flex-shrink: 0;
}
.w-contact-big div { display: flex; flex-direction: column; gap: 3px; }
.w-contact-big span { font-size: 0.75rem; color: var(--text-light); }
.w-contact-big strong { font-size: 1rem; font-weight: 700; color: var(--text-dark); }

/* ---------- 404 ---------- */
.w-404 { padding: 160px 0 120px; text-align: center; background: linear-gradient(140deg, #F6F9FF 0%, #EAF1FF 100%); }
.w-404-code { font-size: 6rem; font-weight: 800; color: var(--primary); opacity: 0.16; line-height: 1; margin-bottom: 16px; }
.w-404 h1 { font-size: 1.75rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.w-404 p { color: var(--text-mid); margin-bottom: 28px; }
.w-404-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
    .w-scen-grid { grid-template-columns: repeat(2, 1fr); }
    .w-prod-grid { grid-template-columns: repeat(2, 1fr); }
    .w-flow { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
    .w-hero-grid, .w-detail-head, .w-consult-grid,
    .w-about-grid, .w-contact-grid, .w-brand-head, .w-sol-two { grid-template-columns: 1fr; gap: 32px; }
    .w-hero-text h1 { font-size: 2.4rem; }
    .w-brand-intro-grid, .w-adv-grid, .w-svc-grid, .w-values-grid { grid-template-columns: repeat(2, 1fr); }
    .w-about-facts { grid-template-columns: repeat(2, 1fr); }
    .drop-menu { display: none; }
}
@media (max-width: 768px) {
    .w-hero { padding: 104px 0 52px; }
    .w-hero-text h1 { font-size: 1.9rem; }
    .w-hero-sub { font-size: 0.9375rem; }
    .w-page-head { padding: 100px 0 36px; }
    .w-page-head h1 { font-size: 1.75rem; }
    .w-prod-grid, .w-brand-intro-grid, .w-adv-grid,
    .w-svc-grid, .w-scen-grid, .w-flow, .w-values-grid { grid-template-columns: 1fr; }
    .w-about-facts { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .w-fact-num { font-size: 1.75rem; }
    .w-consult-form { padding: 24px 20px; }
    .w-consult-form .form-row { grid-template-columns: 1fr; }
    .w-cta-phone { font-size: 2rem; }
    .w-detail-head h1 { font-size: 1.875rem; }
    .w-scen-grid.two { grid-template-columns: 1fr; }
}

/* --- 功能卡片：刚好 4 个时用 2x2，避免第 4 个落单 --- */
.services-grid.four { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 768px) {
    .services-grid.four { grid-template-columns: 1fr; }
}

/* ---------- 客户案例 ---------- */
.w-case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.w-case-card {
    display: block;
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-lg);
    padding: 30px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    color: inherit;
}
a.w-case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.w-case-top { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.w-case-ind {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 4px 11px;
    border-radius: 999px;
}
.w-case-brand {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: #B45309;
    background: #FEF3C7;
    padding: 4px 11px;
    border-radius: 999px;
}
.w-case-card h2 { font-size: 1.25rem; font-weight: 700; color: var(--text-dark); line-height: 1.45; margin-bottom: 8px; }
.w-case-note { font-size: 0.8125rem; color: var(--text-light); margin-bottom: 14px; }
.w-case-sum { font-size: 0.9375rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 22px; }
.w-case-facts { display: flex; gap: 26px; flex-wrap: wrap; padding: 18px 0; border-top: 1px solid #F1F5F9; border-bottom: 1px solid #F1F5F9; margin-bottom: 18px; }
.w-case-facts.wide { border: none; padding: 0; margin: 0; gap: 22px; display: grid; grid-template-columns: repeat(4, 1fr); }
.w-case-fact strong { display: block; font-size: 1.25rem; font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 3px; }
.w-case-fact span { font-size: 0.75rem; color: var(--text-light); }
.w-case-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.w-case-tags span {
    font-size: 0.75rem;
    color: var(--text-mid);
    background: #F8FAFC;
    border: 1px solid #EDF2F7;
    padding: 3px 10px;
    border-radius: 6px;
}
.w-case-more { font-size: 0.875rem; font-weight: 600; color: var(--primary); }

.w-case-note-box {
    display: flex;
    gap: 16px;
    margin-top: 34px;
    padding: 22px 24px;
    background: #F8FAFF;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
}
.w-case-note-box i { color: var(--primary); font-size: 1.125rem; margin-top: 2px; flex-shrink: 0; }
.w-case-note-box strong { display: block; font-size: 0.9375rem; color: var(--text-dark); margin-bottom: 7px; }
.w-case-note-box p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.8; }
.w-case-note-box a { color: var(--primary); font-weight: 600; }

.w-case-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
.w-case-head h1 { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.025em; color: var(--text-dark); margin: 12px 0 10px; }
.w-case-head-note { font-size: 0.9375rem; color: var(--text-mid); }
.w-case-logo {
    flex-shrink: 0;
    padding: 20px 28px;
    background: #fff;
    border: 1px solid #E6EDF9;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.04em;
    box-shadow: var(--shadow-sm);
}

.w-case-body { background: #fff; }
.w-case-two { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 48px; align-items: start; }
.w-case-sec { margin-bottom: 44px; }
.w-case-sec:last-child { margin-bottom: 0; }
.w-case-sec h2 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid #F1F5F9;
}
.w-case-sec h2 i { margin-right: 8px; }
.w-case-sec p { font-size: 1rem; color: var(--text-mid); line-height: 2; margin-bottom: 18px; }
.w-case-sec p:last-child { margin-bottom: 0; }

.w-case-sols { display: flex; flex-direction: column; gap: 22px; }
.w-case-sol { padding: 22px 24px; background: #F8FAFF; border-radius: var(--radius-md); border-left: 3px solid var(--primary); }
.w-case-sol-title { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.w-case-sol-title span {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary);
    background: #fff;
    border: 1px solid #DCE7FA;
    padding: 3px 8px;
    border-radius: 6px;
    flex-shrink: 0;
}
.w-case-sol-title h3 { font-size: 1.0625rem; font-weight: 700; color: var(--text-dark); }
.w-case-sol p { font-size: 0.9375rem; color: var(--text-mid); line-height: 1.85; margin: 0; }

.w-case-video {
    display: flex;
    gap: 16px;
    padding: 22px 24px;
    background: linear-gradient(135deg, #EEF4FF 0%, #E6EFFF 100%);
    border-radius: var(--radius-md);
    border: 1px solid #DCE7FA;
}
.w-case-video i { color: var(--primary); font-size: 1.25rem; margin-top: 2px; flex-shrink: 0; }
.w-case-video strong { display: block; font-size: 0.9375rem; color: var(--text-dark); margin-bottom: 7px; }
.w-case-video p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.8; margin: 0; }
.w-case-video a { color: var(--primary); font-weight: 600; }

.w-case-side { position: sticky; top: 100px; }
.w-case-prod {
    display: block;
    padding: 13px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid #EDF2FB;
    margin-bottom: 9px;
    transition: var(--transition);
}
.w-case-prod:hover { border-color: var(--bc, var(--primary)); background: #FAFCFF; }
.w-case-prod-brand { display: block; font-size: 0.6875rem; font-weight: 700; color: var(--bc, var(--primary)); margin-bottom: 3px; }
.w-case-prod strong { display: block; font-size: 0.9375rem; font-weight: 700; color: var(--text-dark); margin-bottom: 2px; }
.w-case-prod-tag { display: block; font-size: 0.75rem; color: var(--text-light); }
.w-case-hl { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.w-case-hl li { display: flex; align-items: flex-start; gap: 9px; font-size: 0.8125rem; color: var(--text-mid); line-height: 1.7; }
.w-case-hl i { color: #10B981; font-size: 0.7rem; margin-top: 4px; flex-shrink: 0; }

@media (max-width: 1024px) {
    .w-case-two { grid-template-columns: 1fr; gap: 32px; }
    .w-case-side { position: static; }
    .w-case-head { flex-direction: column; }
    .w-case-facts.wide { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .w-case-grid { grid-template-columns: 1fr; }
    .w-case-head h1 { font-size: 1.625rem; }
    .w-case-facts { gap: 16px; }
    .w-case-card { padding: 24px 20px; }
}

/* 案例详情页副标题拆成两行，避免一行挤满 */
.w-case-head-note { font-size: 1rem; color: var(--text-mid); margin-bottom: 8px; }
.w-case-head-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.w-case-head-meta i { font-size: 0.75rem; color: var(--primary); opacity: 0.7; }
.w-case-head-meta .sep {
    display: inline-block;
    width: 1px;
    height: 12px;
    background: #DCE7FA;
    margin: 0 6px;
}
@media (max-width: 768px) {
    .w-case-head-meta { font-size: 0.8125rem; gap: 6px; line-height: 1.7; }
}

/* 案例侧栏：实际使用的软件 */
.w-case-software {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 13px 15px;
    background: linear-gradient(135deg, #EEF4FF 0%, #E6EFFF 100%);
    border: 1px solid #DCE7FA;
    border-radius: var(--radius-sm);
}
.w-case-software i { color: var(--primary); font-size: 1rem; flex-shrink: 0; }
.w-case-software span { font-size: 0.9375rem; font-weight: 700; color: var(--primary); line-height: 1.5; }

/* ---------- 文本按行截断（替代后端硬截断）----------
   后端输出全文，对爬虫/SEO 友好；视觉上用行数截断保排版。
   注意：-webkit-line-clamp 需要 display:-webkit-box。
   不支持的老浏览器会显示全文，可接受（宁可多显示，不可切词）。 */
.w-brand-card p,
.w-brand-intro p,
.w-prod-sum {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.w-brand-card p { -webkit-line-clamp: 3; }
.w-brand-intro p { -webkit-line-clamp: 4; }
.w-prod-sum { -webkit-line-clamp: 3; }

/* ---------- 移动端头部：电话不换行、汉堡点击区够大 ---------- */
@media (max-width: 768px) {
    .header-inner { gap: 8px; }
    .nav-cta {
        padding: 9px 14px !important;
        font-size: 0.8125rem !important;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .nav-cta i { display: none; }
    .menu-toggle {
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .menu-toggle i { font-size: 1.25rem; }
}
@media (max-width: 400px) {
    .logo-text span:last-child { display: none; }
    .nav-cta { padding: 9px 12px !important; font-size: 0.75rem !important; }
}

/* ---------- 案例页视频播放器 ---------- */
.w-case-video-box {
    background: var(--white);
    border: 1px solid #E8EEF6;
    border-radius: 16px;
    padding: 22px;
    margin-top: 32px;
}
.w-case-video-head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}
.w-case-video-head i {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
    color: #2563EB;
    font-size: 1.05rem;
}
.w-case-video-head strong {
    display: block;
    font-size: 1.0625rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.w-case-video-head p {
    margin: 0;
    font-size: 0.875rem;
    color: #64748B;
    line-height: 1.6;
}
.w-case-video-player {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    background: #0F172A;
    outline: none;
}
@media (max-width: 768px) {
    .w-case-video-box { padding: 16px; border-radius: 14px; }
    .w-case-video-head { gap: 10px; margin-bottom: 12px; }
    .w-case-video-head i { width: 34px; height: 34px; font-size: 0.9rem; }
    .w-case-video-head strong { font-size: 1rem; }
    .w-case-video-head p { font-size: 0.8125rem; }
}

/* ---------- 厂商授权书（关于页）---------- */
.w-cert-sec { background: #F8FAFC; }
.w-cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    max-width: 1120px;
    margin: 0 auto;
}
.w-cert-card {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
    background: var(--white);
    border: 1px solid #E8EEF6;
    border-radius: 16px;
    padding: 20px;
    align-items: start;
}
.w-cert-img {
    position: relative;
    display: block;
    padding: 0;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
    cursor: zoom-in;
    line-height: 0;
}
.w-cert-img img {
    display: block;
    width: 100%;
    height: auto;
}
.w-cert-zoom {
    position: absolute;
    inset: auto 0 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 6px;
    background: rgba(15, 23, 42, 0.72);
    color: #fff;
    font-size: 0.75rem;
    line-height: 1;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.w-cert-img:hover .w-cert-zoom,
.w-cert-img:focus-visible .w-cert-zoom { opacity: 1; }
.w-cert-info h3 {
    margin: 0 0 12px;
    font-size: 1.0625rem;
    color: var(--text-dark);
    line-height: 1.4;
}
.w-cert-dl { margin: 0; display: grid; gap: 7px; }
.w-cert-dl > div {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 8px;
    font-size: 0.8125rem;
    line-height: 1.55;
}
.w-cert-dl dt { color: #94A3B8; }
.w-cert-dl dd { margin: 0; color: #475569; word-break: break-word; }
.w-cert-note {
    margin: 14px 0 0;
    padding-top: 12px;
    border-top: 1px dashed #E2E8F0;
    font-size: 0.75rem;
    color: #94A3B8;
    line-height: 1.6;
}
.w-cert-note i { margin-right: 4px; }

/* 大图弹窗 */
.w-cert-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.w-cert-modal[hidden] { display: none; }
.w-cert-modal-bg { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.82); }
.w-cert-modal-body {
    position: relative;
    max-width: min(92vw, 820px);
    max-height: 92vh;
    background: #fff;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}
.w-cert-modal-body img {
    display: block;
    max-width: 100%;
    max-height: calc(92vh - 24px);
    border-radius: 6px;
    margin: 0 auto;
}
.w-cert-modal-x {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: #334155;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
}
body.cert-modal-open { overflow: hidden; }

@media (max-width: 768px) {
    .w-cert-card { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
    .w-cert-img { max-width: 240px; }
    .w-cert-zoom { opacity: 1; }
    .w-cert-modal-x { top: 8px; right: 8px; }
}

/* ---------- 真实 logo 图片（替换原「飞」字方块）---------- */
.logo-img {
    display: block;
    width: 40px;
    height: 40px;
    object-fit: contain;
    flex-shrink: 0;
}
.footer-brand .logo-img { width: 44px; height: 44px; }

@media (max-width: 768px) {
    .logo-img { width: 34px; height: 34px; }
}

/* ---------- 关于页：品牌标识卡片（完整竖版 logo，含英文行）---------- */
.w-side-brandcard {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 22px;
    background: linear-gradient(160deg, #FFFFFF 0%, #F6F9FF 100%);
}
.w-side-logo {
    display: block;
    width: 100%;
    max-width: 168px;
    height: auto;
}

/* ---------- 企业微信二维码卡片 ---------- */
.w-qr-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 20px;
    background: linear-gradient(135deg, #F2FBF5 0%, #FFFFFF 100%);
    border: 1px solid #D8F0E2;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}
.w-qr-img {
    display: block;
    width: 128px;
    height: 128px;
    flex-shrink: 0;
    border-radius: 10px;
    border: 1px solid #E4F2EA;
    background: #fff;
    padding: 4px;
}
.w-qr-text { min-width: 0; }
.w-qr-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #07A050;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.w-qr-text strong {
    display: block;
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.w-qr-text p {
    font-size: 0.8125rem;
    color: var(--text-mid);
    line-height: 1.65;
    margin: 0;
}

/* 深色底变体（首页咨询区是深蓝底）*/
.w-qr-card.on-dark {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.18);
    box-shadow: none;
}
.w-qr-card.on-dark .w-qr-img { border-color: rgba(255,255,255,0.25); }
.w-qr-card.on-dark .w-qr-label { color: #7BE3A8; }
.w-qr-card.on-dark .w-qr-text strong { color: #fff; }
.w-qr-card.on-dark .w-qr-text p { color: rgba(255,255,255,0.62); }

@media (max-width: 520px) {
    .w-qr-card { flex-direction: column; text-align: center; gap: 14px; }
    .w-qr-img { width: 132px; height: 132px; }
    .w-qr-text { text-align: center; }
}