:root {
    --primary: #c9a227;
    --primary-dark: #a88620;
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --gray: #666;
    --light: #f5f5f5;
    --white: #fff;
    --container: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* 头部 */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(26,26,46,0.95); backdrop-filter: blur(10px); }
.header-top { border-bottom: 1px solid rgba(255,255,255,0.1); }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.logo { height: 40px; }
.header-nav { display: flex; gap: 30px; }
.header-nav a { color: rgba(255,255,255,0.8); text-decoration: none; font-size: 15px; transition: color 0.3s; }
.header-nav a:hover, .header-nav a.active { color: var(--primary); }
.header-right { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }
.header-buttons { display: flex; gap: 10px; }
.header-qq { font-size: 12px; color: rgba(255,255,255,0.6); }

/* 按钮 */
.btn { display: inline-block; padding: 10px 24px; border-radius: 4px; text-decoration: none; font-size: 14px; transition: all 0.3s; cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.3); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-small { padding: 6px 16px; font-size: 12px; }

/* 幻灯片 */
.hero-slider { position: relative; height: 100vh; min-height: 600px; overflow: hidden; }
.slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1s; display: flex; align-items: center; justify-content: center; }
.slide.active { opacity: 1; }
.slide::before { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.slide-content { position: relative; text-align: center; color: var(--white); }
.slide-content h1 { font-size: 48px; margin-bottom: 16px; }
.slide-content p { font-size: 20px; margin-bottom: 30px; opacity: 0.9; }
.slider-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; }
.dot.active { background: var(--primary); }

/* 通用Section */
.section { padding: 80px 0; }
.section-title { font-size: 32px; text-align: center; margin-bottom: 50px; color: var(--dark); }
.section-title.light { color: var(--white); }
.bg-dark { background: var(--dark); }
.bg-light { background: var(--light); }

/* 产品网格 */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.product-card { text-align: center; padding: 40px 20px; background: var(--white); border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); transition: transform 0.3s; }
.product-card:hover { transform: translateY(-5px); }
.product-icon { font-size: 48px; margin-bottom: 16px; }
.product-card h3 { font-size: 18px; margin-bottom: 10px; }
.product-card p { font-size: 14px; color: var(--gray); }

/* 账户卡片 */
.accounts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.account-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; padding: 40px 30px; color: var(--white); }
.account-card.featured { border-color: var(--primary); background: rgba(201,162,39,0.1); }
.account-card h3 { font-size: 22px; margin-bottom: 10px; }
.account-desc { color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.account-card ul { list-style: none; }
.account-card li { padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }

/* 统计数据 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-number { display: block; font-size: 48px; font-weight: bold; color: var(--primary); }
.stat-label { font-size: 14px; color: var(--gray); }

/* 新闻卡片 */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.news-card { background: var(--white); border-radius: 8px; padding: 30px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.news-date { font-size: 13px; color: var(--primary); margin-bottom: 10px; }
.news-card h3 { font-size: 18px; margin-bottom: 12px; }
.news-card h3 a { color: var(--dark); text-decoration: none; }
.news-card p { font-size: 14px; color: var(--gray); margin-bottom: 16px; }
.read-more { color: var(--primary); text-decoration: none; font-size: 14px; }

/* 页脚 */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: var(--white); margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); text-decoration: none; padding: 4px 0; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.footer-admin-link { color: rgba(255,255,255,0.4); text-decoration: none; font-size: 12px; }

/* 底部后台登录 */
.bottom-admin-login { text-align: center; padding: 20px; background: var(--dark); }
.bottom-admin-login .btn { opacity: 0.6; }
.bottom-admin-login .btn:hover { opacity: 1; }

/* 页面Hero */
.page-hero { height: 50vh; min-height: 350px; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; position: relative; margin-top: 80px; }
.page-hero.small { height: 35vh; min-height: 250px; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.page-hero-content { position: relative; text-align: center; color: var(--white); }
.page-hero-content h1 { font-size: 40px; margin-bottom: 10px; }

/* 平台详情 */
.platform-detail { display: flex; align-items: center; gap: 60px; }
.platform-detail.reverse { flex-direction: row-reverse; }
.platform-info { flex: 1; }
.platform-info h2 { font-size: 28px; margin-bottom: 8px; }
.platform-subtitle { color: var(--primary); font-size: 16px; margin-bottom: 20px; }
.platform-features { list-style: none; margin: 20px 0; }
.platform-features li { padding: 8px 0; padding-left: 24px; position: relative; }
.platform-features li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); }
.platform-visual { flex: 1; height: 300px; background: var(--light); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 48px; color: var(--primary); font-weight: bold; }

/* 联系网格 */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.contact-card { text-align: center; padding: 40px 20px; background: var(--white); border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.contact-icon { font-size: 36px; margin-bottom: 16px; }
.contact-value { font-size: 16px; color: var(--primary); font-weight: bold; word-break: break-all; }
.contact-note { font-size: 13px; color: var(--gray); margin-top: 8px; }

/* 文章详情 */
.article-detail { max-width: 800px; margin: 0 auto; }
.article-meta { display: flex; gap: 20px; color: var(--gray); font-size: 14px; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid #eee; }
.article-content { font-size: 16px; line-height: 1.8; color: #444; }
.article-footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eee; }

/* 移动端 */
.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 10px; }
.mobile-menu-toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; }

@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .accounts-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .header-nav { display: none; }
    .header-right { display: none; }
    .mobile-menu-toggle { display: block; }
    .slide-content h1 { font-size: 28px; }
    .slide-content p { font-size: 16px; }
    .section { padding: 50px 0; }
    .section-title { font-size: 24px; }
    .news-grid { grid-template-columns: 1fr; }
    .platform-detail { flex-direction: column; }
    .platform-detail.reverse { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   首页高级样式 v2
   ========================================================= */

/* ---------- 幻灯片 ---------- */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 680px;
    overflow: hidden;
    background: #0a0a15;
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.slide.active { opacity: 1; z-index: 2; }

/* 让背景有缓慢缩放效果 */
.slide.active { animation: kenburns 8s ease-out forwards; }
@keyframes kenburns {
    0%   { background-size: 100% auto; }
    100% { background-size: 110% auto; }
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201,162,39,0.18) 0%, transparent 55%),
        linear-gradient(135deg, rgba(10,10,21,0.85) 0%, rgba(10,10,21,0.55) 50%, rgba(10,10,21,0.9) 100%);
}

.slide-content {
    position: relative;
    z-index: 3;
    max-width: 860px;
    padding: 0 30px;
    color: #fff;
    text-align: left;
    animation: fadeUp 1s ease 0.2s both;
}
.slide.active .slide-content { animation: fadeUp 1.1s cubic-bezier(0.22,1,0.36,1) 0.3s both; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

.slide-badge {
    display: inline-block;
    padding: 8px 18px;
    font-size: 13px;
    letter-spacing: 1px;
    color: #e9c766;
    background: rgba(201,162,39,0.12);
    border: 1px solid rgba(201,162,39,0.35);
    border-radius: 100px;
    margin-bottom: 26px;
    backdrop-filter: blur(6px);
    animation: fadeUp 0.8s ease 0.1s both;
}

.slide-title {
    font-size: 64px;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.slide-title .title-line {
    display: block;
    opacity: 0;
    animation: fadeUp 0.9s cubic-bezier(0.22,1,0.36,1) both;
}
.slide-title .title-line:nth-child(1) { animation-delay: 0.35s; }
.slide-title .title-line:nth-child(2) { animation-delay: 0.55s; }

.slide-title .highlight {
    background: linear-gradient(120deg, #e9c766 0%, #c9a227 40%, #f5e29a 70%, #c9a227 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shine 4s linear infinite;
}
@keyframes shine {
    to { background-position: 200% center; }
}

.slide-desc {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255,255,255,0.82);
    max-width: 620px;
    margin-bottom: 36px;
    animation: fadeUp 0.9s ease 0.75s both;
}

.slide-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeUp 0.9s ease 0.95s both;
}

/* 发光主按钮 */
.btn-glow {
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 0 0 rgba(201,162,39,0.6);
    animation: pulseGlow 2.4s infinite;
}
@keyframes pulseGlow {
    0%   { box-shadow: 0 0 0 0 rgba(201,162,39,0.55); }
    70%  { box-shadow: 0 0 0 18px rgba(201,162,39,0); }
    100% { box-shadow: 0 0 0 0 rgba(201,162,39,0); }
}
.btn-glow::after {
    content: '';
    position: absolute;
    top: 0; left: -60%;
    width: 40%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.45), transparent);
    transform: skewX(-20deg);
    animation: btnShine 3s infinite;
}
@keyframes btnShine {
    0%, 60% { left: -60%; }
    100%    { left: 130%; }
}

/* 幽灵按钮 */
.btn-ghost {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.35);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.14);
    border-color: #e9c766;
    color: #e9c766;
    transform: translateY(-2px);
}

/* 幻灯片迷你数据 */
.slide-stats-mini {
    display: flex;
    gap: 40px;
    margin-top: 46px;
    padding-top: 26px;
    border-top: 1px solid rgba(255,255,255,0.12);
    animation: fadeUp 1s ease 1.15s both;
}
.slide-stats-mini > div {
    display: flex;
    flex-direction: column;
}
.slide-stats-mini strong {
    font-size: 26px;
    color: #e9c766;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.slide-stats-mini span {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 1px;
    margin-top: 4px;
}

/* 幻灯片指示点 */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 14px;
    z-index: 10;
}
.dot {
    width: 40px;
    height: 3px;
    border-radius: 2px;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.dot.active {
    background: rgba(255,255,255,0.25);
}
.dot.active::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #c9a227, #f5e29a);
    animation: dotProgress 6s linear forwards;
}
@keyframes dotProgress {
    from { width: 0; }
    to   { width: 100%; }
}
.dot:hover { background: rgba(255,255,255,0.6); }

/* 滚动提示 */
.slider-scroll {
    position: absolute;
    bottom: 30px;
    right: 40px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.5);
    font-size: 11px;
    letter-spacing: 3px;
}
.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: '';
    position: absolute;
    top: -50%;
    width: 100%;
    height: 50%;
    background: #e9c766;
    animation: scrollDown 2s infinite;
}
@keyframes scrollDown {
    to { top: 100%; }
}

/* ---------- 通用 Section Head ---------- */
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}
.section-head.with-action {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    text-align: left;
    max-width: none;
}
.section-head.with-action > div { max-width: 600px; }

.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    color: #c9a227;
    font-weight: 600;
    margin-bottom: 14px;
    position: relative;
    padding-left: 40px;
}
.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 30px;
    height: 1px;
    background: #c9a227;
}
.section-head:not(.with-action) .section-tag {
    padding-left: 0;
}
.section-head:not(.with-action) .section-tag::before { display: none; }

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}
.section-title.light { color: #fff; }

.section-subtitle {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}
.section-subtitle.light { color: rgba(255,255,255,0.7); }

/* ---------- 核心优势 ---------- */
.section-advantages {
    position: relative;
    background: #fafafa;
    overflow: hidden;
}
.section-bg-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(201,162,39,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}
.advantage-card {
    position: relative;
    background: #fff;
    padding: 44px 30px 30px;
    border-radius: 14px;
    border: 1px solid #eee;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    overflow: hidden;
}
.advantage-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #c9a227, #f5e29a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s;
}
.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 50px rgba(0,0,0,0.1);
    border-color: transparent;
}
.advantage-card:hover::before { transform: scaleX(1); }

.adv-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: inline-block;
    filter: saturate(0.9);
    transition: transform 0.5s;
}
.advantage-card:hover .adv-icon { transform: scale(1.15) rotate(-5deg); }

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}
.advantage-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}
.adv-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 34px;
    font-weight: 900;
    color: #f2f2f2;
    letter-spacing: -1px;
    transition: color 0.4s;
}
.advantage-card:hover .adv-num { color: rgba(201,162,39,0.18); }

/* ---------- 交易产品 ---------- */
.section-products { background: #fff; }
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}
.product-card {
    position: relative;
    padding: 46px 28px 34px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 16px;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    overflow: hidden;
    text-align: left;
}
.product-glow {
    position: absolute;
    top: -60%; right: -60%;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(201,162,39,0.25), transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(201,162,39,0.4);
    box-shadow: 0 28px 60px rgba(201,162,39,0.12);
}
.product-card:hover .product-glow { opacity: 1; }

.product-icon {
    font-size: 44px;
    margin-bottom: 22px;
    display: inline-block;
    transition: transform 0.5s;
}
.product-card:hover .product-icon { transform: translateY(-4px) scale(1.1); }

.product-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}
.product-card p {
    font-size: 14px;
    color: #777;
    line-height: 1.7;
    margin-bottom: 20px;
}
.product-arrow {
    font-size: 20px;
    color: #c9a227;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.4s;
}
.product-card:hover .product-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ---------- 交易账户 ---------- */
.section-accounts {
    position: relative;
    background: #0e0e1c;
    overflow: hidden;
    padding: 100px 0;
}
.accounts-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 80% 20%, rgba(201,162,39,0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 10% 90%, rgba(80,120,255,0.08) 0%, transparent 55%);
    pointer-events: none;
}
.section-accounts .container { position: relative; z-index: 1; }

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.account-card {
    position: relative;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 42px 32px 36px;
    color: #fff;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    backdrop-filter: blur(10px);
}
.account-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201,162,39,0.35);
    background: rgba(255,255,255,0.05);
}

.account-card.featured {
    background: linear-gradient(160deg, rgba(201,162,39,0.18) 0%, rgba(201,162,39,0.04) 60%);
    border-color: rgba(201,162,39,0.45);
    box-shadow: 0 30px 70px rgba(201,162,39,0.15);
}
.account-card.featured::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(140deg, #c9a227, transparent 40%, #c9a227);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #c9a227, #f5e29a);
    color: #1a1a2e;
    font-size: 12px;
    font-weight: 700;
    border-radius: 100px;
    letter-spacing: 0.5px;
    box-shadow: 0 6px 20px rgba(201,162,39,0.4);
}

.account-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.account-top h3 {
    font-size: 22px;
    font-weight: 700;
}
.account-tag {
    font-size: 11px;
    padding: 4px 10px;
    background: rgba(255,255,255,0.1);
    border-radius: 100px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
}
.account-tag.gold {
    background: rgba(201,162,39,0.2);
    color: #e9c766;
}

.account-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 26px;
}

.account-list {
    list-style: none;
    margin-bottom: 30px;
}
.account-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    font-size: 14px;
}
.account-list li:last-child { border-bottom: none; }
.account-list span { color: rgba(255,255,255,0.55); }
.account-list strong { color: #fff; font-weight: 600; }
.account-card.featured .account-list strong { color: #e9c766; }

.btn-outline-light {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 12px 20px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}
.btn-outline-light:hover {
    border-color: #c9a227;
    color: #e9c766;
    background: rgba(201,162,39,0.08);
}

/* ---------- 平台数据 ---------- */
.section-stats {
    position: relative;
    background: #fff;
    overflow: hidden;
}
.stats-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(201,162,39,0.12) 1px, transparent 0);
    background-size: 32px 32px;
    opacity: 0.5;
    pointer-events: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}
.stat-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 14px;
    transition: all 0.4s;
}
.stat-item:hover {
    background: #fafaf7;
    transform: translateY(-4px);
}
.stat-icon {
    font-size: 32px;
    margin-bottom: 18px;
    display: inline-block;
}
.stat-number {
    display: inline-block;
    font-size: 58px;
    font-weight: 900;
    color: #1a1a2e;
    letter-spacing: -2px;
    line-height: 1;
    background: linear-gradient(135deg, #1a1a2e 0%, #c9a227 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-plus {
    display: inline-block;
    font-size: 30px;
    font-weight: 800;
    color: #c9a227;
    margin-left: 2px;
    vertical-align: super;
}
.stat-label {
    display: block;
    font-size: 14px;
    color: #888;
    margin-top: 12px;
    letter-spacing: 1px;
}

/* ---------- 新闻 ---------- */
.section-news { background: #fafafa; }
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.news-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    border: 1px solid #eee;
}
.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    border-color: transparent;
}
.news-card.featured {
    grid-column: span 2;
    flex-direction: row;
    align-items: stretch;
}
.news-card.featured .news-cover {
    flex: 1.1;
    min-height: 320px;
    aspect-ratio: auto;
}
.news-card.featured .news-body {
    flex: 1;
    padding: 48px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-card.featured h3 { font-size: 26px; }
.news-card.featured p { font-size: 15px; }

.news-cover {
    position: relative;
    aspect-ratio: 16/9;
    background-size: cover;
    background-position: center;
    background-color: #1a1a2e;
    overflow: hidden;
}
.news-cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10,10,21,0.65) 100%);
}
.news-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 5px 12px;
    background: rgba(201,162,39,0.9);
    color: #fff;
    font-size: 12px;
    border-radius: 100px;
    backdrop-filter: blur(6px);
    letter-spacing: 0.5px;
}
.news-body {
    padding: 28px 28px 30px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.news-date {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 12px;
}
.news-day {
    font-size: 26px;
    font-weight: 800;
    color: #c9a227;
    line-height: 1;
}
.news-ym {
    font-size: 13px;
    color: #999;
}
.news-body h3 {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 14px;
}
.news-body h3 a {
    color: #1a1a2e;
    text-decoration: none;
    transition: color 0.3s;
}
.news-body h3 a:hover { color: #c9a227; }
.news-body p {
    font-size: 14px;
    color: #777;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}
.read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #c9a227;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.3s;
}
.read-more:hover { gap: 12px; }

/* ---------- CTA ---------- */
.section-cta {
    position: relative;
    background: linear-gradient(135deg, #0e0e1c 0%, #1a1a2e 100%);
    overflow: hidden;
    padding: 90px 0;
}
.cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(201,162,39,0.15) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 50%, rgba(80,120,255,0.08) 0%, transparent 55%);
}
.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    color: #fff;
}
.cta-inner h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.cta-inner p {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- 底部后台登录 ---------- */
.bottom-admin-login {
    text-align: center;
    padding: 22px;
    background: #0a0a15;
}
.bottom-admin-login .btn-small {
    opacity: 0.5;
    transition: opacity 0.3s;
}
.bottom-admin-login .btn-small:hover { opacity: 1; }

/* ---------- 滚动出现动画 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1),
                transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
/* 依次延迟 */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.15s; }
.reveal:nth-child(3) { transition-delay: 0.25s; }
.reveal:nth-child(4) { transition-delay: 0.35s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
    .slide-title { font-size: 52px; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .accounts-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .news-card.featured { flex-direction: column; }
    .news-card.featured .news-cover { aspect-ratio: 16/9; min-height: auto; }
    .news-card.featured .news-body { padding: 28px; }
    .news-card.featured h3 { font-size: 20px; }
    .section-head.with-action {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero-slider { min-height: 560px; }
    .slide-title { font-size: 34px; letter-spacing: -0.5px; }
    .slide-desc { font-size: 15px; }
    .slide-badge { font-size: 11px; padding: 6px 14px; }
    .slide-stats-mini { gap: 22px; margin-top: 32px; padding-top: 20px; }
    .slide-stats-mini strong { font-size: 20px; }
    .slide-stats-mini span { font-size: 11px; }
    .slider-scroll { display: none; }
    .slider-dots { bottom: 24px; }
    .dot { width: 28px; }

    .section-title { font-size: 28px; }
    .section { padding: 60px 0; }
    .section-accounts { padding: 70px 0; }

    .advantage-grid,
    .products-grid,
    .stats-grid { grid-template-columns: 1fr; }

    .news-grid { grid-template-columns: 1fr; }
    .news-card.featured { grid-column: span 1; }

    .stat-number { font-size: 44px; }
    .stat-plus { font-size: 22px; }

    .cta-inner h2 { font-size: 26px; }
    .cta-inner p { font-size: 15px; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; }

    .section-head.with-action .btn { align-self: stretch; text-align: center; }
}

/* 头部滚动状态 */
.site-header.scrolled {
    background: rgba(10,10,21,0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}

/* 移动端菜单展开 */
@media (max-width: 768px) {
    .header-nav.mobile-open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10,10,21,0.98);
        padding: 20px;
        gap: 0;
        backdrop-filter: blur(12px);
        border-top: 1px solid rgba(255,255,255,0.08);
    }
    .header-nav.mobile-open a {
        padding: 14px 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        font-size: 16px;
    }
}

/* =========================================================
   内页高级样式
   ========================================================= */

/* ---------- 页面 Hero ---------- */
.page-hero {
    position: relative;
    height: 60vh;
    min-height: 420px;
    margin-top: 80px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-hero.small { height: 45vh; min-height: 320px; }

.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    animation: kenburnsSlow 20s ease-in-out infinite alternate;
}
@keyframes kenburnsSlow {
    from { transform: scale(1); }
    to   { transform: scale(1.08); }
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 60%, rgba(201,162,39,0.18) 0%, transparent 55%),
        linear-gradient(135deg, rgba(10,10,21,0.88) 0%, rgba(10,10,21,0.6) 50%, rgba(10,10,21,0.9) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 30px;
    max-width: 900px;
    animation: fadeUp 1s cubic-bezier(0.22,1,0.36,1) both;
}

.page-hero-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 5px;
    color: #e9c766;
    font-weight: 600;
    margin-bottom: 18px;
    padding: 6px 18px;
    border: 1px solid rgba(201,162,39,0.4);
    border-radius: 100px;
    background: rgba(201,162,39,0.08);
    backdrop-filter: blur(6px);
}

.page-hero-content h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -1px;
    background: linear-gradient(120deg, #fff 0%, #e9c766 50%, #fff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shine 6s linear infinite;
}
.page-hero.small .page-hero-content h1 { font-size: 36px; }

.page-hero-content p {
    font-size: 17px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 20px;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
.breadcrumb a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}
.breadcrumb a:hover { color: #e9c766; }
.breadcrumb .current { color: #e9c766; }

.article-meta-top {
    display: flex;
    gap: 20px;
    justify-content: center;
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    margin-top: 10px;
}

/* ---------- 关于页 · 平台介绍 ---------- */
.section-intro { background: #fff; position: relative; overflow: hidden; }
.intro-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.intro-left .section-title {
    margin-bottom: 24px;
    font-size: 38px;
    line-height: 1.3;
}
.intro-left p {
    font-size: 15px;
    color: #666;
    line-height: 1.85;
    margin-bottom: 18px;
}
.intro-signature {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 30px;
}
.sig-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #c9a227, transparent);
}
.sig-text {
    font-size: 13px;
    letter-spacing: 4px;
    color: #c9a227;
    font-weight: 600;
}

.intro-right { position: relative; }
.intro-image {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: 16px;
    background-size: cover;
    background-position: center;
    background-color: #1a1a2e;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.15);
}
.intro-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10,10,21,0.6) 100%);
}
.intro-float-card {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 16px 24px;
    border-radius: 12px;
    color: #fff;
}
.float-num {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #e9c766;
    line-height: 1;
}
.float-label {
    font-size: 12px;
    color: rgba(255,255,255,0.75);
    letter-spacing: 1px;
    margin-top: 6px;
    display: block;
}
.intro-mini-grid {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: #fff;
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    gap: 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}
.mini-item {
    text-align: center;
}
.mini-item strong {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: #1a1a2e;
    background: linear-gradient(135deg, #1a1a2e 0%, #c9a227 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.mini-item span {
    font-size: 12px;
    color: #888;
    letter-spacing: 1px;
}

/* ---------- 合作伙伴 ---------- */
.section-partners { background: #fafafa; }
.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.partner-item {
    aspect-ratio: 3/2;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
    cursor: pointer;
}
.partner-item:hover {
    border-color: rgba(201,162,39,0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(201,162,39,0.1);
}
.partner-logo {
    font-size: 15px;
    font-weight: 600;
    color: #999;
    letter-spacing: 1px;
    transition: color 0.3s;
}
.partner-item:hover .partner-logo { color: #c9a227; }

/* ---------- 监管信息 ---------- */
.section-regulation {
    position: relative;
    background: #0e0e1c;
    overflow: hidden;
    padding: 100px 0;
}
.regulation-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(201,162,39,0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 70%, rgba(80,120,255,0.08) 0%, transparent 55%);
}
.section-regulation .container { position: relative; z-index: 1; }

.regulation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.regulation-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 36px 28px;
    color: #fff;
    position: relative;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    backdrop-filter: blur(10px);
    overflow: hidden;
}
.regulation-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201,162,39,0.35);
    background: rgba(255,255,255,0.06);
}
.reg-country {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 32px;
    font-weight: 900;
    color: rgba(201,162,39,0.15);
    letter-spacing: 2px;
}
.regulation-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}
.regulation-card p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 20px;
    min-height: 60px;
}
.reg-license {
    font-size: 12px;
    color: #e9c766;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    letter-spacing: 0.5px;
}

/* ---------- 奖项 ---------- */
.section-awards { background: #fff; }
.awards-list { max-width: 900px; margin: 0 auto; }
.award-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 30px 0;
    border-bottom: 1px solid #eee;
    transition: all 0.4s;
}
.award-item:last-child { border-bottom: none; }
.award-item:hover { padding-left: 20px; }
.award-year {
    font-size: 28px;
    font-weight: 800;
    color: #c9a227;
    min-width: 90px;
    letter-spacing: -1px;
}
.award-info { flex: 1; }
.award-info h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 6px;
    font-weight: 700;
}
.award-info p {
    font-size: 14px;
    color: #888;
}
.award-icon {
    font-size: 32px;
    opacity: 0.4;
    transition: all 0.4s;
}
.award-item:hover .award-icon { opacity: 1; transform: scale(1.15); }

/* ---------- 交易页 · 平台 ---------- */
.section-platform {
    position: relative;
    background: #fff;
    overflow: hidden;
    padding: 100px 0;
}
.section-platform.alt { background: #fafafa; }

.platform-bg-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(201,162,39,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.platform-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.platform-detail.reverse .platform-info { order: 2; }
.platform-detail.reverse .platform-visual { order: 1; }

.platform-info .section-tag { padding-left: 0; }
.platform-info .section-tag::before { display: none; }
.platform-name {
    font-size: 38px;
    font-weight: 800;
    color: #1a1a2e;
    margin: 14px 0 8px;
    letter-spacing: -0.5px;
}
.platform-subtitle {
    font-size: 16px;
    color: #c9a227;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.platform-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.85;
    margin-bottom: 26px;
}
.platform-features {
    list-style: none;
    margin-bottom: 32px;
}
.platform-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: #444;
}
.feat-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #c9a227;
    flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(201,162,39,0.15);
}

/* 平台 Mockup */
.platform-visual { position: relative; }
.platform-mockup {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.12);
    border: 1px solid #eee;
}
.platform-mockup.dark {
    background: #1a1a2e;
    border-color: rgba(255,255,255,0.08);
}
.mock-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: #fafafa;
    border-bottom: 1px solid #eee;
}
.platform-mockup.dark .mock-header {
    background: rgba(0,0,0,0.3);
    border-bottom-color: rgba(255,255,255,0.08);
}
.mock-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
}
.mock-dot.red { background: #ff5f57; }
.mock-dot.yellow { background: #febc2e; }
.mock-dot.green { background: #28c840; }
.mock-title {
    margin-left: 12px;
    font-size: 12px;
    color: #999;
    letter-spacing: 1px;
}
.mock-body {
    position: relative;
    padding: 20px;
    min-height: 280px;
}
.mock-chart { width: 100%; height: 220px; }
.mock-chart svg { width: 100%; height: 100%; }
.mock-label {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 42px;
    font-weight: 900;
    color: rgba(201,162,39,0.15);
    letter-spacing: 2px;
}
.mock-label.blue { color: rgba(74,140,255,0.2); }

/* 手机 Mockup */
.phone-mockup {
    width: 260px;
    height: 520px;
    margin: 0 auto;
    background: #1a1a2e;
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 40px 80px rgba(0,0,0,0.2), 0 0 0 2px rgba(201,162,39,0.2);
    position: relative;
    animation: floatPhone 4s ease-in-out infinite;
}
@keyframes floatPhone {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}
.phone-notch {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 20px;
    background: #0a0a15;
    border-radius: 20px;
    z-index: 2;
}
.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(160deg, #0e0e1c, #1a1a2e);
    border-radius: 26px;
    padding: 50px 18px 20px;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.phone-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}
.phone-top > span:first-child {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
}
.phone-price {
    font-size: 22px;
    font-weight: 700;
    color: #e9c766;
}
.phone-chart {
    height: 100px;
    margin: 10px 0;
}
.phone-chart svg { width: 100%; height: 100%; }
.phone-buttons {
    display: flex;
    gap: 10px;
    margin-top: auto;
}
.phone-buttons > span {
    flex: 1;
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
}
.btn-buy { background: linear-gradient(135deg, #c9a227, #f5e29a); color: #1a1a2e; }
.btn-sell { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.15); }

/* ---------- 新闻列表 ---------- */
.section-news-list { background: #fafafa; }
.news-list { max-width: 900px; margin: 0 auto; }
.news-list-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 28px;
    border: 1px solid #eee;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
}
.news-list-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.08);
    border-color: transparent;
}
.news-list-item.featured {
    grid-template-columns: 1fr;
}
.news-list-item.featured .news-list-cover {
    aspect-ratio: 21/9;
}
.news-list-cover {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: #1a1a2e;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.news-list-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10,10,21,0.5) 100%);
    transition: opacity 0.4s;
}
.news-list-item:hover .news-list-cover::after { opacity: 0.6; }

.news-list-body {
    padding: 32px 36px 32px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-list-item.featured .news-list-body {
    padding: 36px 44px;
}
.news-list-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #999;
    margin-bottom: 14px;
}
.news-list-date { color: #c9a227; font-weight: 600; }
.news-list-body h2 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 14px;
}
.news-list-item.featured .news-list-body h2 { font-size: 26px; }
.news-list-body h2 a {
    color: #1a1a2e;
    text-decoration: none;
    transition: color 0.3s;
}
.news-list-body h2 a:hover { color: #c9a227; }
.news-list-body p {
    font-size: 14px;
    color: #777;
    line-height: 1.75;
    margin-bottom: 20px;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #999;
}
.empty-icon { font-size: 60px; margin-bottom: 20px; opacity: 0.5; }

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 50px;
}
.page-btn {
    padding: 10px 22px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}
.page-btn:hover {
    border-color: #c9a227;
    color: #c9a227;
    background: rgba(201,162,39,0.05);
}
.page-current {
    color: #999;
    font-size: 14px;
}

/* ---------- 新闻详情 ---------- */
.section-article { background: #fafafa; }
.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 50px;
    max-width: 1100px;
    margin: 0 auto;
}
.article-main {
    background: #fff;
    border-radius: 16px;
    padding: 50px 55px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04);
}
.article-content {
    font-size: 16px;
    line-height: 2;
    color: #444;
}
.article-content p { margin-bottom: 20px; }
.article-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.btn-outline-dark {
    padding: 10px 22px;
    border: 1px solid #ddd;
    background: #fff;
    color: #333;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}
.btn-outline-dark:hover {
    border-color: #c9a227;
    color: #c9a227;
}
.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #999;
}
.share-btn {
    color: #666;
    text-decoration: none;
    padding: 6px 14px;
    border: 1px solid #eee;
    border-radius: 100px;
    font-size: 12px;
    transition: all 0.3s;
}
.share-btn:hover {
    border-color: #c9a227;
    color: #c9a227;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.sidebar-block {
    background: #fff;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04);
}
.sidebar-title {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid #eee;
    position: relative;
}
.sidebar-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #c9a227, transparent);
}
.related-list {
    list-style: none;
}
.related-list li {
    border-bottom: 1px solid #f0f0f0;
}
.related-list li:last-child { border-bottom: none; }
.related-list a {
    display: block;
    padding: 14px 0;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}
.related-list a:hover { color: #c9a227; padding-left: 6px; }
.related-date {
    display: block;
    font-size: 12px;
    color: #c9a227;
    margin-bottom: 6px;
    letter-spacing: 1px;
}
.related-title {
    font-size: 14px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-cta {
    background: linear-gradient(160deg, #1a1a2e 0%, #0e0e1c 100%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.sidebar-cta::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(201,162,39,0.25), transparent 70%);
}
.sidebar-cta h3 {
    position: relative;
    font-size: 20px;
    margin-bottom: 10px;
    color: #fff;
}
.sidebar-cta p {
    position: relative;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 22px;
}
.sidebar-cta .btn {
    position: relative;
    width: 100%;
}

/* ---------- 联系页 ---------- */
.section-contact { background: #fff; position: relative; overflow: hidden; }
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.contact-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 44px 26px 36px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    position: relative;
    overflow: hidden;
}
.contact-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #c9a227, #f5e29a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s;
}
.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.08);
    border-color: transparent;
}
.contact-card:hover::before { transform: scaleX(1); }

.contact-icon-wrap {
    width: 70px;
    height: 70px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(201,162,39,0.15), rgba(201,162,39,0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s;
}
.contact-card:hover .contact-icon-wrap {
    background: linear-gradient(135deg, rgba(201,162,39,0.25), rgba(201,162,39,0.1));
    transform: scale(1.08);
}
.contact-icon {
    font-size: 30px;
}
.contact-card h3 {
    font-size: 17px;
    color: #1a1a2e;
    margin-bottom: 12px;
    font-weight: 700;
}
.contact-value {
    font-size: 15px;
    color: #c9a227;
    font-weight: 600;
    word-break: break-all;
    margin-bottom: 8px;
}
.contact-note {
    font-size: 12px;
    color: #999;
}

/* 为什么选择 KVB */
.section-why {
    position: relative;
    background: #0e0e1c;
    overflow: hidden;
    padding: 100px 0;
}
.why-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(201,162,39,0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 80%, rgba(80,120,255,0.08) 0%, transparent 55%);
}
.section-why .container { position: relative; z-index: 1; }

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.why-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 40px 28px;
    color: #fff;
    position: relative;
    transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}
.why-item:hover {
    transform: translateY(-8px);
    border-color: rgba(201,162,39,0.35);
    background: rgba(255,255,255,0.06);
}
.why-num {
    font-size: 48px;
    font-weight: 900;
    color: rgba(201,162,39,0.2);
    line-height: 1;
    margin-bottom: 18px;
    letter-spacing: -1px;
    transition: color 0.4s;
}
.why-item:hover .why-num { color: rgba(201,162,39,0.5); }
.why-item h3 {
    font-size: 19px;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 700;
}
.why-item p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
}

/* 服务承诺 */
.section-promise { background: #fff; }
.promise-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 70px;
    align-items: center;
}
.promise-left .section-title {
    text-align: left;
    margin-bottom: 22px;
}
.promise-left p {
    font-size: 15px;
    color: #666;
    line-height: 1.85;
}
.promise-right {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.promise-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 26px;
    background: #fafafa;
    border-radius: 14px;
    border: 1px solid #eee;
    transition: all 0.4s;
}
.promise-item:hover {
    background: #fff;
    border-color: rgba(201,162,39,0.3);
    transform: translateX(6px);
    box-shadow: 0 20px 40px rgba(201,162,39,0.08);
}
.promise-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #c9a227, #f5e29a);
    color: #1a1a2e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    font-size: 18px;
}
.promise-item h4 {
    font-size: 16px;
    color: #1a1a2e;
    margin-bottom: 6px;
    font-weight: 700;
}
.promise-item p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
}

/* ---------- 内页 CTA ---------- */
.section-cta {
    position: relative;
    background: linear-gradient(135deg, #0e0e1c 0%, #1a1a2e 100%);
    overflow: hidden;
    padding: 90px 0;
}
.cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(201,162,39,0.15) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 50%, rgba(80,120,255,0.08) 0%, transparent 55%);
}
.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    color: #fff;
}
.cta-inner h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.cta-inner p {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.section-cta .btn-primary { color: #1a1a2e; font-weight: 600; }
.section-cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
.section-cta .btn-ghost:hover { color: #e9c766; border-color: #e9c766; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
    .regulation-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .intro-layout { grid-template-columns: 1fr; gap: 50px; }
    .intro-mini-grid { position: static; margin-top: 20px; justify-content: center; }
    .intro-float-card { position: absolute; }
    .platform-detail { grid-template-columns: 1fr; gap: 40px; }
    .platform-detail.reverse .platform-info,
    .platform-detail.reverse .platform-visual { order: initial; }
    .article-layout { grid-template-columns: 1fr; }
    .promise-layout { grid-template-columns: 1fr; gap: 40px; }
    .news-list-item { grid-template-columns: 240px 1fr; }
}

@media (max-width: 768px) {
    .page-hero { height: 45vh; min-height: 320px; margin-top: 70px; }
    .page-hero-content h1 { font-size: 32px; }
    .page-hero.small .page-hero-content h1 { font-size: 24px; }
    .page-hero-tag { font-size: 10px; padding: 5px 12px; letter-spacing: 3px; }

    .intro-left .section-title { font-size: 26px; }
    .platform-name { font-size: 28px; }
    .cta-inner h2 { font-size: 26px; }
    .cta-inner p { font-size: 15px; }

    .contact-grid,
    .regulation-grid,
    .why-grid,
    .partners-grid { grid-template-columns: 1fr; }

    .news-list-item { grid-template-columns: 1fr; }
    .news-list-body { padding: 24px; }
    .news-list-item.featured .news-list-body { padding: 24px; }
    .news-list-body h2 { font-size: 18px; }
    .news-list-item.featured .news-list-body h2 { font-size: 20px; }

    .article-main { padding: 30px 24px; }
    .article-footer { flex-direction: column; align-items: flex-start; }

    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; }

    .phone-mockup { width: 220px; height: 440px; }
}

/* ---------- 淡入动画辅助 ---------- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes shine {
    to { background-position: 200% center; }
}