* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, sans-serif;
    color: #333; background: #fff; line-height: 1.7; font-size: 15px;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all 0.2s; }
ul { list-style: none; }

:root {
    --primary: #059669;
    --primary-dark: #047857;
    --dark: #0f172a;
    --gray: #64748b;
    --light: #f0fdf4;
    --border: #e2e8f0;
}

/* Header */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.navbar {
    display: flex; align-items: center; justify-content: space-between;
    height: 70px;
}
.site-logo {
    font-size: 22px; font-weight: 700; color: var(--primary);
}
.nav-menu {
    display: flex; align-items: center; gap: 4px;
}
.nav-menu a {
    font-size: 14px; font-weight: 500; color: #334155;
    padding: 8px 14px; border-radius: 6px;
}
.nav-menu a:hover { color: var(--primary); }
.nav-consult {
    background: var(--primary) !important; color: #fff !important;
    margin-left: 8px;
}
.nav-consult:hover { background: var(--primary-dark) !important; color: #fff !important; }
.nav-login {
    border: 1px solid var(--border) !important; color: var(--primary) !important;
    margin-left: 8px;
}
.hamburger {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 8px;
}
.hamburger span {
    display: block; width: 22px; height: 2px; background: #333;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 13px 28px; font-size: 14px; font-weight: 500;
    border-radius: 8px; cursor: pointer; transition: all 0.3s;
    border: none; font-family: inherit;
}
.btn-prim {
    background: var(--primary); color: #fff;
}
.btn-prim:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(5,150,105,0.25); }
.btn-line {
    border: 1.5px solid rgba(255,255,255,0.4); color: #fff;
    background: transparent;
}
.btn-line:hover { background: rgba(255,255,255,0.1); }
.btn-block { width: 100%; }

/* Sections */
section { padding: 80px 0; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.sec-tag {
    display: inline-block; padding: 5px 14px;
    background: var(--light); color: var(--primary);
    font-size: 12px; font-weight: 600; border-radius: 4px;
    letter-spacing: 1px; margin-bottom: 14px;
}
.section-head h2 {
    font-size: 34px; font-weight: 700; color: var(--dark);
    line-height: 1.25; margin-bottom: 12px;
}
.sec-desc { font-size: 15px; color: var(--gray); max-width: 560px; line-height: 1.7; }
.section-head.center .sec-desc { margin: 0 auto; }
.sec-tag.light { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.9); }
.section-head.light h2 { color: #fff; }

/* Hero */
.hero {
    padding-top: 160px; padding-bottom: 80px;
    background: linear-gradient(135deg, #064e3b 0%, #065f46 50%, #047857 100%);
    color: #fff; position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 0; right: 0;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(16,185,129,0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-wrap {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 56px; align-items: center; position: relative; z-index: 1;
}
.hero-badge {
    display: inline-block; padding: 6px 16px;
    background: rgba(255,255,255,0.1); border-radius: 4px;
    font-size: 13px; font-weight: 500; margin-bottom: 20px;
}
.hero-content h1 {
    font-size: 46px; font-weight: 700; line-height: 1.2;
    margin-bottom: 20px;
}
.hero-desc {
    font-size: 15px; opacity: 0.85; line-height: 1.8;
    margin-bottom: 32px; max-width: 520px;
}
.hero-actions {
    display: flex; gap: 14px; margin-bottom: 28px; flex-wrap: wrap;
}
.hero-tel {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; opacity: 0.85;
}
.hero-tel a { font-size: 18px; font-weight: 600; color: #fff; }
.hero-visual { position: relative; }
.hero-banner {
    width: 100%; border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.hero-stat {
    position: absolute; bottom: -24px; left: 24px; right: 24px;
    background: #fff; padding: 20px; border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    display: flex; align-items: center; justify-content: center; gap: 32px;
    color: #333;
}
.hs-item { text-align: center; }
.hs-num {
    display: block; font-size: 28px; font-weight: 700; color: var(--primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
}
.hs-item span:last-child { font-size: 13px; color: var(--gray); }
.hs-div { width: 1px; height: 36px; background: var(--border); }

/* Platforms */
.plat-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.plat-item {
    padding: 28px; border-radius: 10px; background: #fff;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.plat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(5,150,105,0.1);
    border-color: var(--primary);
}
.plat-icon {
    width: 48px; height: 48px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700; color: #fff;
    margin-bottom: 16px;
}
.plat-icon.douyin { background: #000; }
.plat-icon.xiaohongshu { background: #ff2442; }
.plat-icon.kuaishou { background: #ff4906; }
.plat-icon.weixin { background: #07c160; }
.plat-icon.bilibili { background: #00a1d6; }
.plat-icon.other { background: linear-gradient(135deg, var(--primary), #10b981); }
.plat-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--dark); }
.plat-item p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* Services */
.services { background: #f8fafc; }
.svc-nav {
    display: flex; justify-content: center; gap: 8px;
    flex-wrap: wrap; margin-bottom: 32px;
}
.svc-link {
    background: #fff; border: 1px solid var(--border);
    padding: 10px 22px; border-radius: 6px; font-size: 14px;
    cursor: pointer; font-family: inherit; font-weight: 500;
    color: var(--gray); transition: all 0.2s;
}
.svc-link.active, .svc-link:hover {
    background: var(--primary); color: #fff; border-color: var(--primary);
}
.svc-panel { display: none; }
.svc-panel.active { display: block; }
.svc-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.svc-card {
    background: #fff; border-radius: 10px; padding: 28px;
    border: 1px solid var(--border);
    transition: all 0.3s;
    display: flex; flex-direction: column; position: relative;
}
.svc-card.featured {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(5,150,105,0.1);
}
.svc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
.svc-badge {
    position: absolute; top: 20px; right: 20px;
    padding: 3px 10px; border-radius: 4px;
    font-size: 11px; font-weight: 600;
}
.svc-badge.green { background: #dcfce7; color: #16a34a; }
.svc-badge.blue { background: #dbeafe; color: #2563eb; }
.svc-badge.purple { background: #f3e8ff; color: #9333ea; }
.svc-badge.orange { background: #ffedd5; color: #ea580c; }
.svc-card h3 {
    font-size: 17px; font-weight: 600; color: var(--dark);
    margin-bottom: 6px; padding-right: 50px;
}
.svc-p { font-size: 12px; color: var(--primary); margin-bottom: 16px; font-weight: 500; }
.svc-list-ul {
    margin-bottom: 20px; flex: 1; padding-top: 16px;
    border-top: 1px solid var(--border);
}
.svc-list-ul li {
    font-size: 13px; color: #555; padding: 4px 0;
    padding-left: 18px; position: relative;
}
.svc-list-ul li::before {
    content: ''; position: absolute; left: 0; top: 11px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--primary);
}
.svc-bottom {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 16px; border-top: 1px solid var(--border);
}
.svc-price {
    font-size: 14px; color: var(--gray);
}
.svc-price strong { font-size: 22px; font-weight: 700; color: var(--primary); font-family: 'Plus Jakarta Sans', sans-serif; }
.svc-btn {
    padding: 8px 18px; background: var(--primary); color: #fff;
    border-radius: 6px; font-size: 13px; font-weight: 500;
}
.svc-btn:hover { background: var(--primary-dark); }

/* Advantage */
.advantage { background: var(--dark); color: #fff; }
.adv-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.adv-item {
    padding: 28px; border-radius: 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.3s;
}
.adv-item:hover {
    background: rgba(255,255,255,0.06);
    transform: translateY(-3px);
}
.adv-icon {
    width: 44px; height: 44px; line-height: 44px; text-align: center;
    background: rgba(5,150,105,0.2); color: #10b981;
    border-radius: 8px; font-size: 20px;
    margin-bottom: 16px; font-weight: 700;
}
.adv-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.adv-item p { font-size: 14px; opacity: 0.7; line-height: 1.7; }

/* Process */
.step-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.step-item {
    text-align: center; padding: 32px 24px;
    background: #fff; border-radius: 10px;
    border: 1px solid var(--border); position: relative;
}
.step-num {
    font-size: 36px; font-weight: 700; color: var(--primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    margin-bottom: 16px; opacity: 0.3;
}
.step-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; color: var(--dark); }
.step-item p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* News */
ul.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px; list-style: none; margin: 0; padding: 0;
    width: 100%; box-sizing: border-box;
}
ul.article-cards > li.article-card {
    min-width: 0; width: auto; max-width: none;
    margin: 0; float: none; box-sizing: border-box;
    background: #fff; border-radius: 10px; overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
ul.article-cards > li.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.article-card a { display: block; }
.article-card .card-thumb { width: 100%; overflow: hidden; }
.article-card .card-thumb img {
    display: block; width: 100%; max-width: 100%;
    height: 170px; object-fit: cover;
}
.article-card .card-body { padding: 20px; }
.article-card .card-title {
    overflow-wrap: anywhere;
    font-size: 15px; font-weight: 600; line-height: 1.5;
    margin-bottom: 8px; color: var(--dark);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card .card-date {
    display: block; font-size: 12px; color: var(--primary); margin-bottom: 8px;
}
.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 13px; color: var(--gray); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}

/* FAQ */
.faq-wrap { max-width: 780px; margin: 0 auto; }
.faq-item {
    border: 1px solid var(--border);
    border-radius: 8px; margin-bottom: 10px; overflow: hidden;
    background: #fff;
}
.faq-q {
    width: 100%; background: none; border: none; cursor: pointer;
    padding: 18px 24px; text-align: left;
    font-size: 15px; font-weight: 500; color: var(--dark);
    display: flex; justify-content: space-between; align-items: center;
    font-family: inherit;
}
.faq-q span {
    font-size: 22px; color: var(--primary); transition: transform 0.3s;
}
.faq-item.open .faq-q span { transform: rotate(45deg); }
.faq-a {
    max-height: 0; overflow: hidden; transition: max-height 0.3s;
}
.faq-item.open .faq-a { max-height: 200px; }
.faq-a p {
    padding: 0 24px 18px; font-size: 14px;
    color: var(--gray); line-height: 1.8;
}

/* About */
.about-wrap {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 48px; align-items: center;
}
.about-image img {
    width: 100%; border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}
.about-text h2 {
    font-size: 32px; font-weight: 700; color: var(--dark);
    margin: 12px 0 20px; line-height: 1.3;
}
.about-lead {
    font-size: 16px; color: var(--primary); font-weight: 500;
    line-height: 1.7; margin-bottom: 16px;
}
.about-text p {
    font-size: 14px; color: var(--gray); line-height: 1.8;
    margin-bottom: 14px;
}
.about-tags {
    display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px;
}
.about-tags span {
    padding: 6px 14px; background: var(--light);
    color: var(--primary); font-size: 13px;
    border-radius: 4px; font-weight: 500;
}

/* Apply */
.apply-card {
    background: linear-gradient(135deg, #064e3b 0%, #047857 100%);
    border-radius: 16px; padding: 56px;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 48px; color: #fff;
}
.apply-info h2 {
    font-size: 32px; font-weight: 700; line-height: 1.3;
    margin: 12px 0 20px;
}
.apply-info > p {
    font-size: 15px; opacity: 0.85; line-height: 1.8;
    margin-bottom: 28px;
}
.contact-way {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.cw-item strong {
    display: block; font-size: 13px; opacity: 0.7; margin-bottom: 6px;
}
.cw-item a, .cw-item span {
    font-size: 18px; font-weight: 600; color: #fff;
}
.apply-form {
    background: #fff; padding: 32px; border-radius: 12px; color: #333;
}
.apply-form h3 {
    font-size: 18px; font-weight: 600; color: var(--dark); margin-bottom: 20px;
}
.form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 500;
    margin-bottom: 6px; color: var(--dark);
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px;
    border: 1px solid var(--border); border-radius: 6px;
    font-size: 14px; font-family: inherit; color: #333;
    background: #f8fafc; transition: border-color 0.2s;
}
.form-group textarea { resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); background: #fff;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #94a3b8; }
.form-group select option { background: #fff; }
.apply-form .btn { margin-top: 8px; }

/* Footer */
.site-footer {
    background: #0f172a; color: rgba(255,255,255,0.6);
    padding: 56px 0 24px; font-size: 14px;
}
.footer-main {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
    gap: 32px; padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand h3 {
    font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 16px;
}
.footer-brand p { line-height: 1.8; margin-bottom: 10px; }
.footer-tel strong a { color: #10b981 !important; font-size: 20px; }
.footer-col h4 {
    font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 18px;
}
.footer-col a {
    display: block; padding: 4px 0; font-size: 13px; transition: color 0.2s;
}
.footer-col a:hover { color: #10b981; }
.footer-copyright {
    padding-top: 24px; text-align: center;
    font-size: 12px; opacity: 0.5;
}

/* Article */
.article-breadcrumb {
    padding: 90px 0 16px; background: #f8fafc;
}
.article-breadcrumb a { color: var(--gray); font-size: 13px; }
.article-breadcrumb span { color: #cbd5e1; margin: 0 8px; font-size: 13px; }
.article-breadcrumb a:hover { color: var(--primary); }
.article-main { padding: 32px 0 60px; }
.article-detail {
    max-width: 840px; margin: 0 auto;
    background: #fff; padding: 48px; border-radius: 12px;
    border: 1px solid var(--border);
}
.art-header { margin-bottom: 28px; }
.art-header h1 {
    font-size: 28px; font-weight: 700; line-height: 1.4;
    color: var(--dark); margin-bottom: 14px;
}
.art-meta {
    font-size: 13px; color: var(--primary); margin-bottom: 12px;
}
.art-summary {
    font-size: 15px; color: var(--gray); line-height: 1.8;
    padding: 16px; background: #f8fafc; border-radius: 8px;
    border-left: 3px solid var(--primary);
}
.art-cover { margin-bottom: 28px; border-radius: 8px; overflow: hidden; }
.art-cover img { width: 100%; }
.art-content { font-size: 16px; line-height: 1.9; color: #444; }
.art-content p { margin-bottom: 18px; }
.art-content h2, .art-content h3, .art-content h4 {
    margin: 28px 0 14px; font-weight: 600; color: var(--dark);
}
.art-content h2 { font-size: 22px; }
.art-content h3 { font-size: 19px; }
.art-content img { max-width: 100%; border-radius: 8px; margin: 20px 0; }
.art-content ul, .art-content ol { margin: 16px 0; padding-left: 24px; }
.art-content li { margin-bottom: 8px; }
.article-cta {
    max-width: 840px; margin: 32px auto;
    padding: 40px; background: linear-gradient(135deg, #064e3b, #047857);
    border-radius: 12px; text-align: center; color: #fff;
}
.article-cta h3 { font-size: 22px; font-weight: 600; margin-bottom: 10px; }
.article-cta p { opacity: 0.85; margin-bottom: 20px; font-size: 14px; }
.act-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.article-nav { text-align: center; }
.article-nav a {
    display: inline-block; font-size: 14px; color: var(--gray);
    padding: 10px 24px; border: 1px solid var(--border); border-radius: 6px;
}
.article-nav a:hover { border-color: var(--primary); color: var(--primary); }

/* Responsive */
@media (max-width: 1100px) {
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
    .hero-wrap { grid-template-columns: 1fr; gap: 48px; }
    .hero-stat { position: static; margin-top: 20px; }
    .plat-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .step-grid { grid-template-columns: repeat(2, 1fr); }
    .about-wrap { grid-template-columns: 1fr; gap: 32px; }
    .apply-card { grid-template-columns: 1fr; padding: 40px 32px; }
    .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    section { padding: 56px 0; }
    .hero { padding-top: 120px; padding-bottom: 60px; }
    .hero-content h1 { font-size: 30px; }
    .section-head h2 { font-size: 26px; }
    .hamburger { display: flex; }
    .nav-menu {
        display: none; position: absolute; top: 70px; left: 0; right: 0;
        background: #fff; flex-direction: column; gap: 0;
        padding: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }
    .nav-menu.open { display: flex; }
    .nav-menu a { padding: 14px; border-bottom: 1px solid #f1f5f9; text-align: center; }
    .nav-consult, .nav-login { margin: 8px 0 !important; }
    .plat-grid { grid-template-columns: 1fr; }
    .svc-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-way { grid-template-columns: 1fr; }
    .apply-form { padding: 24px 20px; }
    .apply-card { padding: 32px 20px; }
    .footer-main { grid-template-columns: 1fr; gap: 24px; }
    .article-detail { padding: 28px 20px; }
    .art-header h1 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

.toast {
    position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff; padding: 14px 32px;
    border-radius: 8px; font-size: 14px; z-index: 9999;
    opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.toast.show { opacity: 1; }