/* =========================================================
   企业级商务风格 · index.css
   Design Token 系统 + 精致视觉
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
    --ec-text-primary:    #172234;
    --ec-text-secondary:  #3d4a5c;
    --ec-text-tertiary:   #8a94a6;
    --ec-border:          #e6eaf0;
    --ec-border-light:    #f0f2f5;
    --ec-bg-page:         #ffffff;
    --ec-bg-soft:         #f7f8fa;
    --ec-bg-dark:         #172234;

    --ec-shadow-xs: 0 1px 2px rgba(23,34,52,0.04);
    --ec-shadow-sm: 0 2px 8px rgba(23,34,52,0.06);
    --ec-shadow-md: 0 4px 16px rgba(23,34,52,0.08);
    --ec-shadow-lg: 0 8px 32px rgba(23,34,52,0.12);

    --ec-radius-sm: 4px;
    --ec-radius-md: 8px;
    --ec-radius-lg: 12px;

    --ec-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ec-ease-out: cubic-bezier(0.0, 0, 0.2, 1);
}

/* ---------- 通用 ---------- */
* { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--ec-bg-page);
    color: var(--ec-text-secondary);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; transition: color .2s var(--ec-ease); }
a:hover { color: var(--ft-primary, #1a5bc7); text-decoration: none; }

/* =========================================================
   顶部栏
   ========================================================= */
.ec-header {
    background: var(--ec-bg-page);
    border-bottom: 1px solid var(--ec-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* 服务栏 */
.ec-topbar {
    background: var(--ec-bg-soft);
    border-bottom: 1px solid var(--ec-border-light);
    font-size: 12px;
    color: var(--ec-text-tertiary);
    line-height: 32px;
}
.ec-topbar .container { display: flex; align-items: center; justify-content: space-between; }
.ec-topbar-right { list-style: none; padding: 0; margin: 0; }
.ec-topbar-right li { display: inline-block; margin-left: 22px; }
.ec-topbar-right li a { color: var(--ec-text-tertiary); }
.ec-topbar-right li a:hover { color: var(--ft-primary, #1a5bc7); }
.ec-topbar-right li i { margin-right: 4px; font-size: 11px; }

/* 主栏 */
.ec-mainbar { padding: 16px 0; background: var(--ec-bg-page); }
.ec-mainbar-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Logo */
.ec-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.ec-logo-img { height: 40px; width: auto; display: block; }
.ec-logo-fallback { display: flex; align-items: center; gap: 10px; }
.ec-logo-mark {
    width: 38px; height: 38px;
    background: var(--ft-primary, #1a5bc7);
    color: #fff;
    border-radius: var(--ec-radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 18px;
}
.ec-logo-text strong {
    display: block;
    font-size: 18px;
    color: var(--ec-text-primary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.3px;
}
.ec-logo-text em {
    display: block;
    font-style: normal;
    font-size: 11px;
    color: var(--ec-text-tertiary);
    margin-top: 2px;
    letter-spacing: 0.5px;
}

/* 按钮系统 */
.ec-user-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.ec-btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: var(--ec-radius-sm);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .2s var(--ec-ease);
    line-height: 1.4;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}
.ec-btn-primary {
    background: var(--ft-primary, #1a5bc7);
    color: #fff;
    border-color: var(--ft-primary, #1a5bc7);
    box-shadow: var(--ec-shadow-xs);
}
.ec-btn-primary:hover {
    background: var(--ft-primary-light, #2d6dd8);
    border-color: var(--ft-primary-light, #2d6dd8);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--ec-shadow-sm);
}
.ec-btn-outline {
    background: #fff;
    color: var(--ec-text-secondary);
    border-color: var(--ec-border);
}
.ec-btn-outline:hover {
    border-color: var(--ft-primary, #1a5bc7);
    color: var(--ft-primary, #1a5bc7);
    background: #fff;
}
.ec-btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.45);
}
.ec-btn-outline-white:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.8);
    color: #fff;
}
.ec-btn-white {
    background: #fff;
    color: var(--ft-primary, #1a5bc7);
    border-color: #fff;
    font-weight: 600;
}
.ec-btn-white:hover {
    background: rgba(255,255,255,0.9);
    color: var(--ft-primary-light, #2d6dd8);
    transform: translateY(-1px);
}
.ec-btn-lg { padding: 11px 28px; font-size: 14px; border-radius: 6px; }
.ec-btn i { margin-right: 5px; }
.ec-btn-lg > i.fa-angle-right { margin-right: 0; margin-left: 6px; font-size: 12px; transition: transform .2s var(--ec-ease); }
.ec-btn-lg:hover > i.fa-angle-right { transform: translateX(2px); }

.ec-user-center {
    color: var(--ec-text-secondary);
    font-size: 13px;
    padding: 6px 10px;
    border-radius: var(--ec-radius-sm);
    transition: background .2s var(--ec-ease), color .2s var(--ec-ease);
}
.ec-user-center:hover { background: var(--ec-bg-soft); color: var(--ft-primary, #1a5bc7); }
.ec-user-center i { margin-right: 4px; font-size: 15px; }

/* 导航 */
.ec-nav { background: var(--ec-bg-page); }
.ec-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: stretch;
    border-top: 1px solid var(--ec-border-light);
}
.ec-nav-list > li { flex-shrink: 0; }
.ec-nav-list > li > a {
    display: block;
    padding: 0 22px;
    height: 44px;
    line-height: 44px;
    color: var(--ec-text-secondary);
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: color .2s var(--ec-ease);
}
.ec-nav-list > li > a:hover { color: var(--ft-primary, #1a5bc7); }
.ec-nav-list > li.active > a {
    color: var(--ft-primary, #1a5bc7);
    font-weight: 600;
}
.ec-nav-list > li.active > a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 20px; right: 20px;
    height: 2px;
    background: var(--ft-primary, #1a5bc7);
    border-radius: 1px;
}
.ec-nav-right { margin-left: auto; }

/* =========================================================
   Hero Banner
   ========================================================= */
.ec-hero {
    padding: 72px 0 76px;
    background: linear-gradient(160deg, #0b1e3a 0%, #13345f 45%, #1a4582 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
/* 网格背景 */
.ec-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}
/* 光晕装饰 */
.ec-hero-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(80px);
}
.ec-hero-glow-1 {
    top: -180px; left: -120px;
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(120,80,220,0.35) 0%, transparent 70%);
}
.ec-hero-glow-2 {
    bottom: -220px; right: -80px;
    width: 520px; height: 520px;
    background: radial-gradient(circle, rgba(60,130,255,0.28) 0%, transparent 70%);
}
.ec-hero-row {
    position: relative;
    max-width: 1180px;
    display: flex;
    align-items: center;
    gap: 60px;
}
.ec-hero-copy { flex: 1; min-width: 0; }
.ec-hero-visual {
    flex: 0 0 420px;
    position: relative;
    height: 440px;
}

/* Hero 标签 */
.ec-hero-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    margin: 0 0 20px;
    letter-spacing: 0.5px;
}

.ec-hero-title {
    font-size: 46px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 14px;
    letter-spacing: -0.5px;
    line-height: 1.15;
}
.ec-hero-sub {
    font-size: 17px;
    color: rgba(255,255,255,0.85);
    font-weight: 400;
    margin: 0 0 20px;
    letter-spacing: 0.3px;
}
.ec-hero-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.68);
    line-height: 1.9;
    margin: 0 0 34px;
    max-width: 580px;
}
.ec-hero-desc strong {
    color: #fff;
    font-weight: 600;
}
.ec-hero-cta { display: flex; gap: 14px; margin-bottom: 34px; }

/* Hero 徽章条 */
.ec-hero-badges {
    display: flex;
    gap: 28px;
    margin-bottom: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.ec-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.3px;
}
.ec-badge i {
    width: 22px; height: 22px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 10px;
    color: rgba(255,255,255,0.9);
}

/* Hero 数据 */
.ec-hero-stats { display: flex; gap: 48px; }
.ec-hero-stats > div { text-align: left; }
.ec-hero-stats em {
    display: block;
    font-style: normal;
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    letter-spacing: 0.3px;
}
.ec-hero-stats span {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    margin-top: 4px;
    display: block;
    letter-spacing: 0.5px;
}

/* =========================================================
   Hero 右侧视觉面板
   ========================================================= */

/* 主支付卡 */
.ec-v-card {
    position: absolute;
    top: 20px; left: 10px;
    width: 290px; height: 180px;
    background: linear-gradient(135deg, #0e3a7a 0%, #1a5bc7 60%, #2d6dd8 100%);
    border-radius: 14px;
    padding: 20px 22px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.18);
    color: #fff;
    font-family: "SF Mono", "Menlo", monospace;
    letter-spacing: 1px;
}
.ec-v-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 14px;
    background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0 10px, transparent 10px 22px);
    pointer-events: none;
}
.ec-v-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.ec-v-card-chip {
    width: 34px; height: 26px;
    background: linear-gradient(135deg, #d4b96a, #a5843c);
    border-radius: 4px;
    position: relative;
}
.ec-v-card-chip::after {
    content: '';
    position: absolute;
    inset: 4px 6px;
    border: 1px dashed rgba(255,255,255,0.4);
    border-radius: 2px;
}
.ec-v-card-brand {
    font-family: "Helvetica Neue", sans-serif;
    font-size: 18px;
    font-weight: 800;
    font-style: italic;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.9);
}
.ec-v-card-num {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 24px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.ec-v-card-btm {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}
.ec-v-card-holder {
    font-family: -apple-system, "PingFang SC", sans-serif;
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: none;
    color: rgba(255,255,255,0.9);
}

/* 浮动面板通用 */
.ec-v-panel {
    position: absolute;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-radius: 10px;
    padding: 16px 18px;
    box-shadow: 0 14px 34px rgba(0,0,0,0.25);
    color: var(--ec-text-primary);
    font-size: 13px;
    animation: vFloat 6s ease-in-out infinite;
}
@keyframes vFloat {
    0%,100% { transform: translateY(0); }
    50%     { transform: translateY(-6px); }
}

/* 实时交易面板 */
.ec-v-panel-orders {
    top: 0; right: -30px;
    width: 200px;
    animation-delay: 0.3s;
}
.ec-v-panel-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--ec-text-tertiary);
    font-weight: 500;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ec-border-light);
}
.ec-v-dot {
    width: 7px; height: 7px;
    background: #07c160;
    border-radius: 50%;
    animation: vPulse 1.6s ease-in-out infinite;
}
@keyframes vPulse {
    0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(7,193,96,0.6); }
    50%     { opacity: 0.7; box-shadow: 0 0 0 6px rgba(7,193,96,0); }
}
.ec-v-panel-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
}
.ec-v-amount {
    font-weight: 600;
    font-size: 13px;
    color: var(--ec-text-primary);
}
.ec-v-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 100px;
    color: #fff;
    letter-spacing: 0.5px;
}
.ec-v-tag-wx     { background: #07c160; }
.ec-v-tag-ali    { background: #1677ff; }
.ec-v-tag-union  { background: var(--ft-primary, #1a5bc7); }

/* 成功率面板 */
.ec-v-panel-rate {
    bottom: 40px; left: -40px;
    width: 170px;
    padding: 18px 20px;
    animation-delay: 1s;
}
.ec-v-rate-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--ft-primary, #1a5bc7);
    line-height: 1;
    letter-spacing: -0.5px;
}
.ec-v-rate-num em {
    font-style: normal;
    font-size: 16px;
    margin-left: 2px;
    font-weight: 600;
}
.ec-v-rate-label {
    font-size: 12px;
    color: var(--ec-text-tertiary);
    margin: 6px 0 10px;
    letter-spacing: 0.3px;
}
.ec-v-rate-bar {
    height: 4px;
    background: var(--ec-border-light);
    border-radius: 2px;
    overflow: hidden;
}
.ec-v-rate-bar span {
    display: block;
    height: 100%;
    width: 99.99%;
    background: linear-gradient(90deg, var(--ft-primary-light, #2d6dd8), var(--ft-primary, #1a5bc7));
    border-radius: 2px;
}

/* =========================================================
   Section 标题（带装饰）
   ========================================================= */
.ec-section { padding: 68px 0; }
.ec-section-head {
    text-align: center;
    margin-bottom: 44px;
    position: relative;
}
.ec-section-head::before {
    content: '';
    display: block;
    width: 36px; height: 3px;
    background: var(--ft-primary, #1a5bc7);
    border-radius: 2px;
    margin: 0 auto 18px;
}
.ec-section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--ec-text-primary);
    margin: 0 0 10px;
    letter-spacing: 0.3px;
}
.ec-section-head p {
    font-size: 14px;
    color: var(--ec-text-tertiary);
    margin: 0;
    letter-spacing: 0.2px;
}

/* =========================================================
   支付产品卡片（顶部彩色条 + 微质感）
   ========================================================= */
.ec-section-products { background: var(--ec-bg-page); }
.ec-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ec-card {
    background: #fff;
    border: 1px solid var(--ec-border);
    border-radius: var(--ec-radius-md);
    padding: 28px 24px 22px;
    transition: all .25s var(--ec-ease);
    position: relative;
    overflow: hidden;
}
.ec-card:hover {
    border-color: transparent;
    box-shadow: var(--ec-shadow-lg);
    transform: translateY(-2px);
}
/* 顶部彩色条 */
.ec-card-accent {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: transparent;
}
.ec-accent-alipay   { background: #1677ff; }
.ec-accent-wx       { background: #07c160; }
.ec-accent-qq       { background: #12b7f5; }
.ec-accent-union    { background: var(--ft-primary, #1a5bc7); }
.ec-accent-usdt     { background: #f7931a; }
.ec-accent-transfer { background: #722ed1; }

.ec-card-product .ec-card-icon {
    width: 48px; height: 48px;
    border-radius: var(--ec-radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
    color: #fff;
}
.ec-icon-alipay   { background: #1677ff; }
.ec-icon-wx       { background: #07c160; }
.ec-icon-qq       { background: #12b7f5; }
.ec-icon-union    { background: var(--ft-primary, #1a5bc7); }
.ec-icon-usdt     { background: #f7931a; }
.ec-icon-transfer { background: #722ed1; }

.ec-card-product h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ec-text-primary);
    margin: 0 0 8px;
    letter-spacing: 0.3px;
}
.ec-card-product p {
    font-size: 13px;
    color: var(--ec-text-tertiary);
    line-height: 1.75;
    margin: 0 0 16px;
}
.ec-card-action {
    font-size: 13px;
    font-weight: 500;
    color: var(--ft-primary, #1a5bc7);
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 6px 0;
    border-bottom: 1px solid transparent;
    transition: border-color .2s var(--ec-ease);
}
.ec-card-action:hover { border-bottom-color: var(--ft-primary, #1a5bc7); }

/* =========================================================
   平台优势（带彩质感）
   ========================================================= */
.ec-section-features {
    background:
        radial-gradient(1200px 400px at 50% -200px, rgba(26,91,199,0.06), transparent 70%),
        var(--ec-bg-soft);
}
.ec-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ec-feature-item {
    background: linear-gradient(135deg, #ffffff 0%, #f6f9ff 100%);
    border-radius: var(--ec-radius-md);
    padding: 28px 24px 28px 28px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border: 1px solid #e2e9f5;
    transition: all .25s var(--ec-ease);
    position: relative;
    overflow: hidden;
}
.ec-feature-item::before {
    /* 左下角装饰光斑 */
    content: '';
    position: absolute;
    left: -40px; bottom: -40px;
    width: 160px; height: 160px;
    background: radial-gradient(circle, rgba(26,91,199,0.10) 0%, transparent 70%);
    pointer-events: none;
}
.ec-feature-item:hover {
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(26,91,199,0.12);
    transform: translateY(-3px);
    background: linear-gradient(135deg, #ffffff 0%, #f0f5ff 100%);
}
/* 左侧色条（加粗 + 渐变） */
.ec-feature-accent {
    position: absolute;
    left: 0; top: 16px; bottom: 16px;
    width: 3px;
    background: linear-gradient(180deg, var(--ft-primary-light, #2d6dd8), var(--ft-primary, #1a5bc7));
    border-radius: 0 3px 3px 0;
    opacity: 0.7;
    transition: opacity .25s var(--ec-ease);
}
.ec-feature-item:hover .ec-feature-accent { opacity: 1; }
/* 数字序号（彩色渐变） */
.ec-feature-num {
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
    margin-top: 2px;
    letter-spacing: -0.5px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--ft-primary-light, #2d6dd8) 0%, #7b3fe4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    transition: filter .25s var(--ec-ease);
}
.ec-feature-item:hover .ec-feature-num { filter: brightness(1.15); }
/* 图标（彩色渐变底 + 白字） */
.ec-feature-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--ft-primary-light, #2d6dd8), var(--ft-primary, #1a5bc7));
    border-radius: var(--ec-radius-md);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(26,91,199,0.2);
    transition: all .25s var(--ec-ease);
}
.ec-feature-item:hover .ec-feature-icon {
    background: linear-gradient(135deg, #7b3fe4, var(--ft-primary, #1a5bc7));
    box-shadow: 0 6px 18px rgba(123,63,228,0.25);
    transform: scale(1.05);
}
.ec-feature-text { flex: 1; min-width: 0; }
.ec-feature-text h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--ec-text-primary);
    margin: 0 0 6px;
    letter-spacing: 0.3px;
}
.ec-feature-text p {
    font-size: 13px;
    color: var(--ec-text-tertiary);
    line-height: 1.75;
    margin: 0;
}

/* =========================================================
   合作伙伴（通道品牌色）
   ========================================================= */
.ec-section-partners {
    background:
        radial-gradient(800px 300px at 50% -150px, rgba(26,91,199,0.05), transparent 70%),
        #f5f8fd;
    padding-bottom: 60px;
}
.ec-partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.ec-partner-item {
    background: #ffffff;
    border-radius: var(--ec-radius-md);
    padding: 22px;
    text-align: center;
    border: 1px solid #e2e9f5;
    transition: all .25s var(--ec-ease);
    position: relative;
    overflow: hidden;
}
.ec-partner-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: transparent;
    transition: background .25s var(--ec-ease);
}
/* 各通道独立色 */
.ec-partner-item:nth-child(1)::before { background: #1677ff; }  /* 支付宝 */
.ec-partner-item:nth-child(2)::before { background: #07c160; }  /* 微信 */
.ec-partner-item:nth-child(3)::before { background: #12b7f5; }  /* QQ */
.ec-partner-item:nth-child(4)::before { background: #eb4d3d; }  /* 财付通 */

/* 各通道独立 hover 背景 */
.ec-partner-item:nth-child(1):hover { background: linear-gradient(180deg, #ffffff 0%, #f0f6ff 100%); border-color: #1677ff; box-shadow: 0 6px 20px rgba(22,119,255,0.12); }
.ec-partner-item:nth-child(2):hover { background: linear-gradient(180deg, #ffffff 0%, #f0fff4 100%); border-color: #07c160; box-shadow: 0 6px 20px rgba(7,193,96,0.12); }
.ec-partner-item:nth-child(3):hover { background: linear-gradient(180deg, #ffffff 0%, #eef9ff 100%); border-color: #12b7f5; box-shadow: 0 6px 20px rgba(18,183,245,0.12); }
.ec-partner-item:nth-child(4):hover { background: linear-gradient(180deg, #ffffff 0%, #fff1ef 100%); border-color: #eb4d3d; box-shadow: 0 6px 20px rgba(235,77,61,0.12); }

.ec-partner-item img {
    max-width: 130px;
    height: auto;
    max-height: 46px;
    object-fit: contain;
    opacity: 0.8;
    transition: all .25s var(--ec-ease);
}
.ec-partner-item:hover img {
    opacity: 1;
    transform: scale(1.06);
}

/* =========================================================
   CTA 条（带光晕）
   ========================================================= */
.ec-section-cta { padding: 0 0 60px; }
.ec-cta-inner {
    background: linear-gradient(135deg, var(--ft-primary-light, #2d6dd8), var(--ft-primary, #1a5bc7));
    border-radius: var(--ec-radius-lg);
    padding: 40px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--ec-shadow-md);
}
.ec-cta-glow {
    position: absolute;
    top: -80px; right: -80px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.ec-cta-text h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 8px;
    letter-spacing: 0.3px;
}
.ec-cta-text p {
    font-size: 13px;
    opacity: 0.85;
    margin: 0;
    letter-spacing: 0.2px;
}
.ec-cta-btns { display: flex; gap: 10px; position: relative; z-index: 1; }

/* =========================================================
   返回顶部
   ========================================================= */
#scroll_Top {
    position: fixed;
    bottom: 32px; right: 32px;
    width: 40px; height: 40px;
    background: #fff;
    color: var(--ec-text-secondary);
    border: 1px solid var(--ec-border);
    border-radius: var(--ec-radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    cursor: pointer;
    box-shadow: var(--ec-shadow-sm);
    opacity: 0;
    visibility: hidden;
    transition: all .25s var(--ec-ease);
    z-index: 99;
}
#scroll_Top:hover {
    background: var(--ft-primary, #1a5bc7);
    color: #fff;
    border-color: var(--ft-primary, #1a5bc7);
    box-shadow: var(--ec-shadow-md);
    transform: translateY(-1px);
}
#scroll_Top.show {
    opacity: 1;
    visibility: visible;
}

/* 按钮小号 */
.ec-btn-sm { padding: 5px 14px; font-size: 12px; border-radius: var(--ec-radius-sm); }

/* =========================================================
   页脚
   ========================================================= */
.ec-footer {
    background: var(--ec-bg-dark);
    color: #a6b0bf;
    padding: 48px 0 0;
    font-size: 13px;
    line-height: 1.9;
}
.ec-footer-row { display: flex; flex-wrap: wrap; gap: 40px; }
.ec-footer-col { flex: 1; min-width: 180px; }
.ec-footer-col h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 16px;
    letter-spacing: 0.3px;
}
.ec-footer-col ul { list-style: none; padding: 0; margin: 0; }
.ec-footer-col ul li { margin-bottom: 6px; }
.ec-footer-col ul li a { color: #a6b0bf; }
.ec-footer-col ul li a:hover { color: #fff; }
.ec-footer-col ul li i {
    width: 16px;
    color: var(--ft-primary-light, #2d6dd8);
    margin-right: 4px;
}

.ec-footer-brand { flex: 1.5; min-width: 240px; }
.ec-footer-logo {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 14px;
}
.ec-footer-logo .ec-logo-img { height: 34px; }
.ec-footer-logo .ec-logo-mark { width: 32px; height: 32px; font-size: 14px; }
.ec-footer-logo strong {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    display: block;
    letter-spacing: 0.3px;
}
.ec-footer-logo em {
    font-style: normal;
    font-size: 11px;
    color: #7b8799;
    display: block;
    letter-spacing: 0.5px;
}
.ec-footer-desc {
    font-size: 12px;
    color: #7b8799;
    line-height: 1.9;
    margin-bottom: 16px;
}
.ec-footer-social { display: flex; gap: 8px; }
.ec-footer-social a {
    width: 30px; height: 30px;
    border-radius: var(--ec-radius-sm);
    background: rgba(255,255,255,0.06);
    color: #a6b0bf;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    transition: all .2s var(--ec-ease);
}
.ec-footer-social a:hover {
    background: var(--ft-primary, #1a5bc7);
    color: #fff;
}

.ec-footer-contact ul li { display: flex; align-items: center; gap: 2px; }
.ec-footer-test { margin-top: 12px; }

.ec-footer-bottom {
    margin-top: 36px;
    padding: 14px 0;
    background: rgba(0,0,0,0.2);
    border-top: 1px solid rgba(255,255,255,0.05);
}
.ec-copyright { font-size: 12px; color: #7b8799; letter-spacing: 0.3px; }
.ec-footer-icp { margin-left: 10px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
    .ec-product-grid { grid-template-columns: repeat(2, 1fr); }
    .ec-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .ec-cta-inner { flex-direction: column; text-align: center; gap: 20px; }
    .ec-hero-row { flex-direction: column; gap: 40px; text-align: center; }
    .ec-hero-copy { width: 100%; }
    .ec-hero-desc { margin-left: auto; margin-right: auto; }
    .ec-hero-cta { justify-content: center; }
    .ec-hero-badges { justify-content: center; flex-wrap: wrap; gap: 14px 24px; }
    .ec-hero-stats { justify-content: center; gap: 32px; }
    .ec-hero-visual {
        flex: none;
        width: 100%;
        max-width: 420px;
        height: 380px;
    }
}

@media (max-width: 768px) {
    .ec-topbar { display: none; }
    .ec-mainbar-row { gap: 12px; }
    .ec-user-entry .ec-btn-outline { display: none; }
    .ec-user-center { display: none; }
    .ec-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .ec-nav-list > li > a { padding: 0 14px; font-size: 13px; height: 40px; line-height: 40px; }
    .ec-nav-right { display: none; }

    .ec-hero { padding: 48px 0; }
    .ec-hero-row { gap: 20px; }
    .ec-hero-visual { display: none; }
    .ec-hero-title { font-size: 32px; }
    .ec-hero-sub { font-size: 15px; }
    .ec-hero-badges { gap: 14px; }
    .ec-hero-stats { gap: 20px; flex-wrap: wrap; }
    .ec-hero-stats em { font-size: 22px; }

    .ec-section { padding: 48px 0; }
    .ec-section-head h2 { font-size: 24px; }
    .ec-product-grid { grid-template-columns: 1fr; }
    .ec-feature-grid { grid-template-columns: 1fr; }
    .ec-partner-grid { grid-template-columns: repeat(2, 1fr); }
    .ec-cta-inner { padding: 28px; }
    .ec-cta-btns { flex-direction: column; width: 100%; }
    .ec-cta-btns .ec-btn { width: 100%; }

    .ec-footer { padding: 36px 0 0; }
    .ec-footer-row { gap: 24px; }
    .ec-footer-col { flex: 1 1 45%; min-width: 0; }
    .ec-footer-brand { flex: 1 1 100%; }
}

@media (max-width: 480px) {
    .ec-btn { padding: 7px 14px; font-size: 12px; }
    .ec-btn-lg { padding: 10px 22px; }
    .ec-hero-title { font-size: 28px; }
    .ec-partner-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .ec-footer-col { flex: 1 1 100%; }
    .ec-hero-stats { gap: 18px; }
    .ec-hero-stats em { font-size: 20px; }
    .ec-badge { font-size: 11px; }
}