/* eyy002 - 商务多渠道风 */
:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --accent: #d4a017;
    --text: #1f2937;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-soft: #f1f5f9;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --radius: 6px;
    --radius-lg: 12px;
    --shadow: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; font-size: 15px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: 0.2s; }
a:hover { color: var(--accent); }
img { max-width:100%; display:block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header { position: sticky; top: 0; background: var(--bg-dark); z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: #fff; }
.logo-icon { width: 32px; height: 32px; display: inline-block; vertical-align: middle; margin-right: 6px; }
.logo-text { display: inline-block; vertical-align: middle; font-weight: 700; }
.nav { display: flex; gap: 30px; }
.nav a { color: rgba(255,255,255,0.85); font-size: 14px; font-weight: 500; padding: 6px 0; position: relative; }
.nav a:hover, .nav a.active { color: var(--accent); }
.nav a.active::after { content:''; position: absolute; bottom: -23px; left:0; right:0; height: 2px; background: var(--accent); }
.nav-cta { background: var(--accent); color: var(--bg-dark); padding: 10px 22px; border-radius: 6px; font-size: 14px; font-weight: 700; }
.nav-cta:hover { background: #b8860b; color: var(--bg-dark); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; font-size: 22px; color: #fff; }

/* Hero */
.hero { padding: 100px 0 80px; background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%); color: #fff; position: relative; overflow: hidden; }
.hero::before { content:''; position: absolute; inset:0; background: radial-gradient(circle at 20% 30%, rgba(212,160,23,0.15) 0%, transparent 50%); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-tag { display: inline-block; padding: 6px 14px; background: rgba(212,160,23,0.2); border: 1px solid rgba(212,160,23,0.4); color: var(--accent); border-radius: 4px; font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-size: 46px; line-height: 1.15; font-weight: 800; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero h1 .hl { color: var(--accent); }
.hero p { font-size: 17px; color: rgba(255,255,255,0.8); margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: 6px; font-size: 15px; font-weight: 600; cursor: pointer; transition: 0.2s; border: none; text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--bg-dark); }
.btn-primary:hover { background: #b8860b; color: var(--bg-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(212,160,23,0.4); }
.btn-secondary { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.btn-secondary:hover { background: rgba(255,255,255,0.2); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); }
.hero-image { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 40px; }
.hero-stats { display: flex; gap: 40px; margin-top: 50px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat .num { font-size: 32px; font-weight: 800; color: var(--accent); }
.hero-stat .lbl { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* Sections */
section { padding: 80px 0; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; }
.section-title { font-size: 36px; font-weight: 800; margin-bottom: 16px; line-height: 1.2; }
.section-sub { font-size: 16px; color: var(--text-light); max-width: 700px; line-height: 1.7; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .section-sub { margin: 0 auto; }

/* Channel Cards */
.channel-section { background: var(--bg-soft); }
.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.channel-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; transition: 0.3s; }
.channel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.channel-icon { width: 64px; height: 64px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 28px; }
.channel-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.channel-card p { color: var(--text-light); font-size: 13px; line-height: 1.6; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 28px; transition: 0.3s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.card-icon { width: 56px; height: 56px; border-radius: 8px; background: var(--bg-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 18px; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--text-light); font-size: 14px; line-height: 1.7; }

/* Features */
.feature-section { background: var(--bg-soft); }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.feature-row.reverse > div:first-child { order: 2; }
.feature-text h2 { font-size: 30px; font-weight: 800; margin-bottom: 16px; }
.feature-text p { color: var(--text-light); font-size: 15px; line-height: 1.8; margin-bottom: 14px; }
.feature-text ul { margin-top: 18px; }
.feature-text ul li { padding: 8px 0; color: var(--text-light); display: flex; align-items: center; gap: 10px; }
.feature-text ul li::before { content: '✓'; color: var(--accent); font-weight: 700; }
.feature-img { background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: var(--radius-lg); padding: 60px; text-align: center; font-size: 80px; color: #fff; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; position: relative; }
.step-num { position: absolute; top: -16px; left: 24px; width: 32px; height: 32px; background: var(--primary); color: #fff; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.step h4 { font-size: 16px; font-weight: 700; margin: 8px 0 8px; }
.step p { font-size: 13px; color: var(--text-light); }

/* FAQ */
.faq-section { background: var(--bg-soft); }
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-q { padding: 22px 28px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; }
.faq-q::after { content: '+'; font-size: 24px; color: var(--accent); transition: 0.3s; font-weight: 300; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner { padding: 0 28px 22px; color: var(--text-light); line-height: 1.8; font-size: 14px; }

/* Article */
.article-section { padding: 60px 0; }
.article-content { max-width: 880px; margin: 0 auto; }
.article-content h2 { font-size: 28px; font-weight: 800; margin: 40px 0 20px; }
.article-content h2:first-child { margin-top: 0; }
.article-content h3 { font-size: 20px; font-weight: 700; margin: 32px 0 12px; }
.article-content p { color: var(--text-light); margin-bottom: 16px; line-height: 1.8; }
.article-content ul, .article-content ol { margin: 16px 0 16px 24px; color: var(--text-light); list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; line-height: 1.8; }
.article-content strong { color: var(--text); font-weight: 600; }
.article-meta { display: flex; gap: 20px; flex-wrap: wrap; color: rgba(255,255,255,0.75); font-size: 14px; margin-top: 16px; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-list { display: grid; gap: 20px; max-width: 880px; margin: 0 auto; }
.article-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 28px; transition: 0.3s; }
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.article-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--primary); }
.article-card .teaser-text { color: var(--text-light); font-size: 14px; line-height: 1.7; margin-bottom: 14px; }
.article-card .teaser-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-light); }
.article-tip { background: var(--bg-soft); border-left: 3px solid var(--accent); padding: 14px 18px; margin: 24px 0; border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-light); font-size: 14px; }
.steps { grid-template-columns: repeat(3, 1fr); }

/* Download */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dl-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; transition: 0.3s; }
.dl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.dl-icon { font-size: 44px; margin-bottom: 14px; }
.dl-card h3 { font-size: 18px; margin-bottom: 6px; }
.dl-card .dl-meta { color: var(--text-light); font-size: 13px; margin-bottom: 18px; }
.dl-card .btn { width: 100%; justify-content: center; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; }
.contact-block { background: linear-gradient(135deg, var(--primary), var(--bg-dark)); color: #fff; border-radius: var(--radius-lg); padding: 40px; }
.contact-block h3 { font-size: 22px; margin-bottom: 12px; }
.contact-block p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }
.contact-item { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.15); }
.contact-item h4 { font-size: 14px; margin-bottom: 4px; }
.contact-item p, .contact-item a { color: rgba(255,255,255,0.85); font-size: 14px; margin: 0; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,64,175,0.1); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* Table */
.table-wrap { overflow-x: auto; margin: 24px 0; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { background: var(--bg-soft); font-weight: 600; }

/* CTA */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%); color: #fff; text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 17px; opacity: 0.9; margin-bottom: 32px; max-width: 620px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-section .btn-primary { background: var(--accent); color: var(--bg-dark); }
.cta-section .btn-primary:hover { background: #b8860b; color: var(--bg-dark); }
.cta-section .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.3); }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.brand-desc { font-size: 13px; line-height: 1.7; }
.brand-features { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 14px; font-size: 12px; }
.brand-stats { display: flex; gap: 18px; margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.08); flex-wrap: wrap; }
.brand-stats strong { color: var(--accent); font-size: 15px; font-weight: 700; }
.brand-stats span { font-size: 12px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 14px; font-weight: 600; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); padding: 5px 0; font-size: 13px; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; text-align: center; font-size: 12px; }
.footer-bottom p { margin: 4px 0; }
.footer-bottom a { color: rgba(255,255,255,0.6); }

/* Toast */
.toast { position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%) translateY(100px); background: var(--primary); color: #fff; padding: 12px 24px; border-radius: 6px; font-size: 14px; z-index: 2000; opacity: 0; transition: 0.3s; box-shadow: var(--shadow-lg); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Responsive */
@media (max-width: 968px) {
    .nav { display: none; }
    .nav.open { display: flex; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg-dark); flex-direction: column; padding: 20px 0; }
    .nav.open a { padding: 12px 24px; width: 100%; }
    .hamburger { display: block; }
    .hero-grid, .feature-row, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 36px; }
    .grid-3, .grid-2, .dl-grid { grid-template-columns: 1fr; }
    .channel-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-row.reverse > div:first-child { order: 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: 28px; }
    section { padding: 60px 0; }
}
@media (max-width: 560px) {
    .hero { padding: 70px 0 60px; }
    .hero h1 { font-size: 28px; }
    .channel-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
}