* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Manrope', 'Noto Sans SC', -apple-system, sans-serif;
    color: #1f2937; background: #fff; line-height: 1.6; font-size: 15px;
}
.container { max-width: 1180px; 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: #e11d48;
    --primary-dark: #be123c;
    --primary-light: #fecdd3;
    --secondary: #f97316;
    --dark: #1f2937;
    --gray: #6b7280;
    --gray-light: #f9fafb;
    --border: #f3f4f6;
}

/* Header */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.navbar {
    display: flex; align-items: center; justify-content: space-between;
    height: 70px;
}
.site-logo {
    font-size: 24px; font-weight: 800; color: var(--primary);
    letter-spacing: -0.5px;
}
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
    font-size: 14px; font-weight: 500; color: #4b5563;
    padding: 8px 14px; border-radius: 6px;
}
.nav-menu a:hover { color: var(--primary); }
.nav-cta {
    background: var(--primary) !important; color: #fff !important;
    margin-left: 12px;
    padding: 9px 20px !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; color: #fff !important; }
.hamburger {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 4px; padding: 8px;
}
.hamburger span {
    display: block; width: 22px; height: 2px; background: #374151;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; font-size: 14px; font-weight: 600;
    border-radius: 50px; cursor: pointer; transition: all 0.3s;
    border: none; font-family: inherit;
}
.btn-main {
    background: var(--primary); color: #fff;
    box-shadow: 0 4px 14px rgba(225,29,72,0.3);
}
.btn-main:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(225,29,72,0.4); }
.btn-line {
    border: 2px solid #fff; color: #fff;
    background: transparent;
}
.btn-line:hover { background: #fff; color: var(--primary); }
.btn-line-dark {
    border: 2px solid var(--primary); color: var(--primary);
    background: transparent;
}
.btn-line-dark:hover { background: var(--primary); color: #fff; }
.btn-block { width: 100%; }

/* Sections */
section { padding: 80px 0; }
.section-title { margin-bottom: 48px; }
.section-title.center { text-align: center; }
.st-tag {
    display: inline-block; padding: 5px 16px;
    background: var(--primary-light); color: var(--primary);
    font-size: 12px; font-weight: 700;
    border-radius: 50px; margin-bottom: 14px;
    text-transform: uppercase; letter-spacing: 1px;
}
.section-title h2 {
    font-size: 32px; font-weight: 800; color: var(--dark);
    line-height: 1.25; margin-bottom: 12px; letter-spacing: -0.5px;
}
.section-title p { font-size: 15px; color: var(--gray); max-width: 540px; line-height: 1.7; }
.section-title.center p { margin: 0 auto; }
.st-tag.light { background: rgba(255,255,255,0.2); color: #fff; }

/* Hero */
.hero {
    padding-top: 170px; padding-bottom: 100px;
    background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 50%, #ffedd5 100%);
    position: relative; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
    position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
}
.b1 { width: 400px; height: 400px; background: #fb7185; top: -100px; right: -100px; }
.b2 { width: 300px; height: 300px; background: #fdba74; bottom: -50px; left: -50px; }
.hero-inner {
    display: grid; grid-template-columns: 1.1fr 1fr;
    gap: 60px; align-items: center; position: relative; z-index: 1;
}
.hero-tag {
    display: inline-block; padding: 6px 18px;
    background: #fff; color: var(--primary);
    font-size: 13px; font-weight: 600; border-radius: 50px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(225,29,72,0.1);
}
.hero-text h1 {
    font-size: 48px; font-weight: 800; line-height: 1.15;
    color: var(--dark); margin-bottom: 20px; letter-spacing: -1px;
}
.hero-text h1 span {
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 15px; color: var(--gray); line-height: 1.8;
    margin-bottom: 32px; max-width: 500px;
}
.hero-btns { display: flex; gap: 14px; margin-bottom: 24px; flex-wrap: wrap; }
.hero-btns .btn-line {
    border-color: var(--primary); color: var(--primary);
}
.hero-btns .btn-line:hover { background: var(--primary); color: #fff; }
.hero-points {
    display: flex; gap: 20px; font-size: 13px;
    color: var(--gray); font-weight: 500; flex-wrap: wrap;
}
.hero-image img {
    width: 100%; border-radius: 24px;
    box-shadow: 0 30px 60px rgba(225,29,72,0.2);
}

/* Platforms */
.platform-list {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.platform-item {
    padding: 28px; border-radius: 16px;
    background: #fff; border: 2px solid var(--border);
    transition: all 0.3s; display: block;
}
.platform-item:hover {
    border-color: var(--primary); transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(225,29,72,0.1);
}
.pi-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: #fff; margin-bottom: 18px;
}
.pi-icon svg { width: 28px; height: 28px; }
.pi-icon.douyin { background: #000; }
.pi-icon.xiaohongshu { background: #ff2442; }
.pi-icon.kuaishou { background: #ff4906; }
.pi-icon.weixin { background: #07c160; }
.pi-icon.bili { background: #00a1d6; }
.pi-icon.other { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.platform-item h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.platform-item p { font-size: 13px; color: var(--gray); line-height: 1.7; }

/* Services */
.services { background: var(--gray-light); }
.service-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.service-card {
    background: #fff; border-radius: 16px; padding: 32px;
    border: 2px solid transparent;
    transition: all 0.3s;
}
.service-card.feature {
    background: linear-gradient(135deg, #fff1f2, #fff7ed);
    border-color: var(--primary-light);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
.sc-head {
    display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.sc-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 22px;
}
.sc-icon.c2 { background: linear-gradient(135deg, #f97316, #ea580c); }
.sc-icon.c3 { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.sc-icon.c4 { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.sc-icon.c5 { background: linear-gradient(135deg, #10b981, #059669); }
.sc-icon.c6 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.sc-head h3 { font-size: 18px; font-weight: 700; color: var(--dark); }
.sc-desc {
    font-size: 14px; color: var(--gray); line-height: 1.7;
    margin-bottom: 20px;
}
.sc-list {
    margin-bottom: 24px; padding-top: 16px;
    border-top: 1px solid var(--border);
}
.sc-list li {
    font-size: 13px; color: #4b5563; padding: 6px 0 6px 20px;
    position: relative;
}
.sc-list li::before {
    content: '✓'; position: absolute; left: 0; color: var(--primary);
    font-weight: 700; font-size: 12px;
}
.sc-foot {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 16px; border-top: 1px solid var(--border);
}
.sc-price { font-size: 18px; font-weight: 800; color: var(--primary); }
.sc-link { font-size: 13px; font-weight: 600; color: var(--primary); }
.sc-link:hover { color: var(--primary-dark); }

/* Process */
.process-line {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    position: relative;
}
.process-line::before {
    content: ''; position: absolute; top: 36px;
    left: 12.5%; right: 12.5%; height: 3px;
    background: linear-gradient(90deg, var(--primary-light), #fed7aa);
    z-index: 0;
}
.proc-item { text-align: center; padding: 0 16px; position: relative; z-index: 1; }
.proc-num {
    width: 72px; height: 72px; line-height: 72px;
    background: #fff; border: 3px solid var(--primary);
    color: var(--primary); border-radius: 50%;
    font-size: 24px; font-weight: 800;
    margin: 0 auto 20px;
    font-family: 'Manrope', sans-serif;
}
.proc-item h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.proc-item p { font-size: 13px; color: var(--gray); line-height: 1.7; }

/* Advantage */
.advantage { background: var(--dark); color: #fff; }
.adv-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.adv-item {
    padding: 32px 24px; border-radius: 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.adv-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}
.adv-num {
    font-size: 36px; font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 16px;
    font-family: 'Manrope', sans-serif;
}
.adv-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.adv-item p { font-size: 13px; opacity: 0.7; 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: 16px; overflow: hidden;
    border: 2px solid var(--border);
    transition: all 0.3s;
}
ul.article-cards > li.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 12px 30px rgba(225,29,72,0.1);
}
.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: 700; 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; font-weight: 600;
}
.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-box { max-width: 760px; margin: 0 auto; }
.fq-item {
    background: #fff; border: 2px solid var(--border);
    border-radius: 12px; margin-bottom: 12px; overflow: hidden;
}
.fq-q {
    width: 100%; background: none; border: none; cursor: pointer;
    padding: 18px 24px; text-align: left;
    font-size: 15px; font-weight: 600; color: var(--dark);
    display: flex; justify-content: space-between; align-items: center;
    font-family: inherit;
}
.fq-q span {
    font-size: 24px; color: var(--primary); transition: transform 0.3s;
    font-weight: 400;
}
.fq-item.open .fq-q span { transform: rotate(45deg); }
.fq-a {
    max-height: 0; overflow: hidden; transition: max-height 0.3s;
}
.fq-item.open .fq-a { max-height: 300px; }
.fq-a p {
    padding: 0 24px 20px; font-size: 14px;
    color: var(--gray); line-height: 1.8;
}

/* About */
.about-inner {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 56px; align-items: center;
}
.about-text h2 {
    font-size: 34px; font-weight: 800; color: var(--primary);
    margin: 12px 0 20px; letter-spacing: -0.5px;
}
.about-lead {
    font-size: 16px; color: var(--dark); font-weight: 600;
    line-height: 1.8; margin-bottom: 16px;
}
.about-text p {
    font-size: 14px; color: var(--gray); line-height: 1.8;
    margin-bottom: 14px;
}
.about-features {
    display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px;
}
.about-features span {
    padding: 8px 16px; background: var(--primary-light);
    color: var(--primary); font-size: 13px; font-weight: 600;
    border-radius: 50px;
}
.about-img img {
    width: 100%; border-radius: 24px;
    box-shadow: 0 20px 60px rgba(225,29,72,0.15);
}

/* Apply */
.apply-inner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 24px; padding: 56px;
    display: grid; grid-template-columns: 1fr 1.2fr;
    gap: 48px; color: #fff;
}
.apply-info h2 {
    font-size: 32px; font-weight: 800; line-height: 1.2;
    margin: 12px 0 20px; letter-spacing: -0.5px;
}
.apply-info > p {
    font-size: 15px; opacity: 0.9; line-height: 1.8; margin-bottom: 28px;
}
.apply-hotline p { font-size: 13px; opacity: 0.7; margin-bottom: 4px; }
.apply-hotline a {
    font-size: 28px; font-weight: 800; color: #fff;
    display: block; margin-bottom: 4px;
    font-family: 'Manrope', sans-serif;
}
.apply-hotline span { font-size: 12px; opacity: 0.7; }
.apply-form {
    background: #fff; padding: 32px; border-radius: 16px; color: #333;
}
.form-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.form-item { margin-bottom: 14px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label {
    display: block; font-size: 13px; font-weight: 600;
    margin-bottom: 6px; color: var(--dark);
}
.form-item input, .form-item select, .form-item textarea {
    width: 100%; padding: 11px 14px;
    border: 2px solid var(--border); border-radius: 10px;
    font-size: 14px; font-family: inherit; color: #333;
    background: var(--gray-light); transition: border-color 0.2s;
}
.form-item textarea { resize: vertical; }
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
    outline: none; border-color: var(--primary); background: #fff;
}
.form-item input::placeholder, .form-item textarea::placeholder { color: #9ca3af; }
.form-item select option { background: #fff; }
.apply-form .btn { margin-top: 8px; }

/* Footer */
.site-footer {
    background: #1f2937; color: rgba(255,255,255,0.6);
    padding: 56px 0 24px; font-size: 14px;
}
.footer-top {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
    gap: 36px; padding-bottom: 36px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand h3 {
    font-size: 24px; font-weight: 800; color: #fff;
    margin-bottom: 16px;
}
.footer-brand p { line-height: 1.8; margin-bottom: 16px; font-size: 13px; }
.footer-hotline span { display: block; font-size: 12px; opacity: 0.6; margin-bottom: 4px; }
.footer-hotline a { font-size: 22px; font-weight: 800; color: var(--primary); }
.footer-col h4 {
    font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 18px;
}
.footer-col a {
    display: block; padding: 5px 0; font-size: 13px; transition: color 0.2s;
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
    padding-top: 24px; text-align: center;
    font-size: 12px; opacity: 0.5;
}

/* Article */
.article-breadcrumb {
    padding: 96px 0 16px; background: var(--gray-light);
}
.article-breadcrumb a { color: var(--gray); font-size: 13px; }
.article-breadcrumb span { color: #d1d5db; margin: 0 8px; font-size: 13px; }
.article-breadcrumb a:hover { color: var(--primary); }
.article-content-wrap { padding: 32px 0 60px; }
.article-detail {
    max-width: 800px; margin: 0 auto;
    background: #fff; padding: 48px; border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.ad-head { margin-bottom: 28px; }
.ad-head h1 {
    font-size: 28px; font-weight: 800; line-height: 1.4;
    color: var(--dark); margin-bottom: 14px; letter-spacing: -0.3px;
}
.ad-meta { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.ad-summary {
    font-size: 15px; color: var(--gray); line-height: 1.8;
    padding: 16px 20px; background: #fff1f2; border-radius: 12px;
    border-left: 4px solid var(--primary);
}
.ad-cover { margin-bottom: 28px; border-radius: 12px; overflow: hidden; }
.ad-cover img { width: 100%; }
.ad-body { font-size: 16px; line-height: 1.9; color: #374151; }
.ad-body p { margin-bottom: 20px; }
.ad-body h2, .ad-body h3, .ad-body h4 {
    margin: 30px 0 16px; font-weight: 700; color: var(--dark);
}
.ad-body h2 { font-size: 22px; }
.ad-body h3 { font-size: 19px; }
.ad-body img { max-width: 100%; border-radius: 12px; margin: 20px 0; }
.ad-body ul, .ad-body ol { margin: 16px 0; padding-left: 24px; }
.ad-body li { margin-bottom: 8px; }
.article-cta-box {
    max-width: 800px; margin: 32px auto;
    padding: 40px; background: linear-gradient(135deg, #fff1f2, #fff7ed);
    border-radius: 20px; text-align: center;
}
.article-cta-box h3 {
    font-size: 22px; font-weight: 800; color: var(--dark); margin-bottom: 10px;
}
.article-cta-box p { color: var(--gray); margin-bottom: 20px; font-size: 14px; }
.acb-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.article-back-link { text-align: center; margin-top: 32px; }
.article-back-link a {
    display: inline-block; font-size: 14px; color: var(--gray);
    padding: 10px 24px; border: 2px solid var(--border); border-radius: 50px;
    font-weight: 500;
}
.article-back-link a:hover { border-color: var(--primary); color: var(--primary); }

/* Responsive */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-image { max-width: 500px; margin: 0 auto; }
    .platform-list { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .process-line { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .process-line::before { display: none; }
    .about-inner { grid-template-columns: 1fr; gap: 40px; }
    .apply-inner { grid-template-columns: 1fr; padding: 40px 32px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    section { padding: 56px 0; }
    .hero { padding-top: 120px; padding-bottom: 70px; }
    .hero-text h1 { font-size: 30px; }
    .section-title h2 { font-size: 24px; }
    .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 var(--border); text-align: center; }
    .nav-cta { margin: 8px 0 !important; }
    .platform-list { grid-template-columns: 1fr; }
    .service-grid { grid-template-columns: 1fr; }
    .adv-grid { grid-template-columns: 1fr; }
    .process-line { grid-template-columns: 1fr; gap: 24px; }
    .form-grid { grid-template-columns: 1fr; }
    .apply-form { padding: 24px 20px; }
    .apply-inner { padding: 32px 20px; }
    .footer-top { grid-template-columns: 1fr; gap: 24px; }
    .article-detail { padding: 28px 20px; }
    .ad-head h1 { font-size: 22px; }
    .hero-points { gap: 12px; }
}

@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: 50px; font-size: 14px; z-index: 9999;
    opacity: 0; pointer-events: none; transition: opacity 0.3s;
    box-shadow: 0 10px 30px rgba(225,29,72,0.3);
}
.toast.show { opacity: 1; }