/* ============================================================
 * 星爪互联 - 官方网站样式（重构版 · 3 大模块 4:3:3）
 * 主题：浅蓝色渐变 + 现代简约风格
 * ============================================================ */

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

:root {
    --primary: #1890ff;
    --primary-light: #40a9ff;
    --primary-dark: #096dd9;
    --secondary: #69b1ff;
    --accent: #13c2c2;
    --purple: #722ed1;
    --purple-light: #9254de;
    --green: #52c41a;
    --green-light: #73d13d;
    --orange: #fa8c16;
    --orange-light: #ffa940;
    --bg-light: #f0f7ff;
    --bg-gradient-start: #e6f7ff;
    --bg-gradient-mid: #f0f7ff;
    --bg-gradient-end: #e6fffb;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #6b7280;
    --white: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.88);
    --card-border: rgba(24, 144, 255, 0.12);
    --shadow-sm: 0 2px 8px rgba(24, 144, 255, 0.06);
    --shadow-md: 0 6px 20px rgba(24, 144, 255, 0.10);
    --shadow-lg: 0 15px 40px rgba(24, 144, 255, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%,
                                         var(--bg-gradient-mid) 50%,
                                         var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(24, 144, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    bottom: -150px;
    left: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(19, 194, 194, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

/* ================ 顶部导航 ================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(24, 144, 255, 0.1);
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.04);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-brand img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.2);
}

.logo-text-group {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    line-height: 1;
}

.logo-text {
    font-size: 19px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.logo-sub {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.5px;
    line-height: 1;
}

/* ============ 顶栏滚动标语（简洁风） ============ */
.logo-slogan-viewport {
    display: inline-block;
    width: 300px;
    max-width: 300px;
    height: 24px;
    overflow: hidden;
    margin-left: 14px;
    padding-left: 14px;
    border-left: 1px solid rgba(24, 144, 255, 0.25);
    vertical-align: middle;
    position: relative;
}

.logo-slogan-track {
    display: inline-flex;
    white-space: nowrap;
    animation: marquee-scroll 8s linear infinite;
    gap: 48px;
}

.logo-slogan-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    font-style: italic;
    letter-spacing: 0.5px;
}

.logo-slogan-star {
    color: #fa8c16;
    font-size: 12px;
}

.logo-slogan-gradient {
    background: linear-gradient(90deg, #1677ff, #722ed1, #eb2f96, #fa8c16, #1677ff);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 5s linear infinite;
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 24px));
    }
}

@keyframes gradient-flow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 300% 50%;
    }
}

/* 响应式：小屏隐藏标语 */
@media (max-width: 900px) {
    .logo-slogan-viewport {
        display: none;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    display: inline-block;
    padding: 8px 16px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary-dark);
    background: rgba(24, 144, 255, 0.08);
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: white !important;
    padding: 8px 20px !important;
    border-radius: 20px !important;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
    transition: all 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(24, 144, 255, 0.4);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
}

/* ================ Hero ================ */
.hero {
    padding: 60px 32px 80px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.12), rgba(19, 194, 194, 0.12));
    color: var(--primary-dark);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(24, 144, 255, 0.2);
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.hero-title-gradient {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-cta-center {
    justify-content: center;
    margin-top: 24px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(24, 144, 255, 0.25);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(24, 144, 255, 0.35);
}

.btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    background: white;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    border: 1.5px solid var(--primary);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Hero 右侧可视化区 */
.hero-visual {
    position: relative;
    min-height: 480px;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.deco-circle-1 {
    top: -20px;
    right: 40px;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.2), transparent);
    animation-delay: 0s;
}

.deco-circle-2 {
    bottom: 80px;
    left: -30px;
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, rgba(19, 194, 194, 0.15), transparent);
    animation-delay: 2s;
}

.deco-circle-3 {
    top: 150px;
    right: -40px;
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(114, 46, 209, 0.15), transparent);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10px, -20px) scale(1.05); }
}

.hero-card-main {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 三大模块入口卡 */
.hero-modules {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

.hero-module-card {
    padding: 20px 18px;
    background: white;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.hero-module-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0.9;
}

.hero-module-card-a::before { background: linear-gradient(90deg, var(--primary), var(--accent)); }
.hero-module-card-b::before { background: linear-gradient(90deg, var(--purple), var(--primary)); }
.hero-module-card-c::before { background: linear-gradient(90deg, var(--green), var(--accent)); }

.hero-module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hero-module-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.hero-module-icon {
    font-size: 28px;
    line-height: 1;
}

.hero-module-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-dark);
    font-weight: 600;
}

.hero-module-card-b .hero-module-badge { background: rgba(114, 46, 209, 0.12); color: var(--purple); }
.hero-module-card-c .hero-module-badge { background: rgba(82, 196, 26, 0.12); color: var(--green); }

.hero-module-name {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.hero-module-desc {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 10px;
    min-height: 38px;
}

.hero-module-arrow {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
}

/* Hero 数据统计 */
.hero-stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 20px;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.hero-stat-item {
    text-align: center;
    padding: 8px 4px;
}

.hero-stat-number {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-stat-label {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ================ 通用 Section ================ */
.section {
    padding: 70px 32px;
    position: relative;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-badge-blue { background: linear-gradient(135deg, rgba(24, 144, 255, 0.15), rgba(19, 194, 194, 0.12)); color: var(--primary-dark); border: 1px solid rgba(24, 144, 255, 0.2); }
.section-badge-purple { background: linear-gradient(135deg, rgba(114, 46, 209, 0.13), rgba(24, 144, 255, 0.12)); color: #5a1eaa; border: 1px solid rgba(114, 46, 209, 0.2); }
.section-badge-green { background: linear-gradient(135deg, rgba(82, 196, 26, 0.13), rgba(19, 194, 194, 0.12)); color: #389e0d; border: 1px solid rgba(82, 196, 26, 0.2); }
.section-badge-orange { background: linear-gradient(135deg, rgba(250, 140, 22, 0.13), rgba(24, 144, 255, 0.10)); color: #d46b08; border: 1px solid rgba(250, 140, 22, 0.2); }
.section-badge-teal { background: linear-gradient(135deg, rgba(19, 194, 194, 0.13), rgba(24, 144, 255, 0.10)); color: #08979c; border: 1px solid rgba(19, 194, 194, 0.2); }
.section-badge-accent { background: linear-gradient(135deg, rgba(19, 194, 194, 0.13), rgba(114, 46, 209, 0.10)); color: var(--accent); border: 1px solid rgba(19, 194, 194, 0.2); }

.section-title {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 模块过渡 CTA */
.module-transition {
    margin-top: 56px;
    padding: 32px 40px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.module-transition-text {
    font-size: 15px;
    color: var(--text-secondary);
    flex: 1;
    min-width: 300px;
}

.module-transition-text strong {
    color: var(--primary-dark);
    font-weight: 700;
}

.btn-transition {
    padding: 12px 24px;
    font-size: 14px;
}

.module-final {
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.08), rgba(19, 194, 194, 0.08));
    text-align: center;
    flex-direction: column;
    padding: 48px;
}

.module-final-text {
    text-align: center;
    font-size: 17px;
    min-width: auto;
}

/* ================ 模块一：商机市场 ================ */
.section-market {
    background: linear-gradient(180deg, transparent 0%, rgba(24, 144, 255, 0.03) 50%, transparent 100%);
}

/* 生态架构图 */
.architecture-flow {
    margin-bottom: 48px;
    padding: 28px;
    background: white;
    border-radius: 24px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
}

.flow-layer-label {
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 24px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.08), rgba(19, 194, 194, 0.08));
    border-radius: 10px;
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.flow-products-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 8px;
    align-items: stretch;
}

.flow-product-card {
    padding: 20px 16px;
    background: linear-gradient(180deg, rgba(24, 144, 255, 0.04) 0%, transparent 100%);
    border: 1.5px solid rgba(24, 144, 255, 0.15);
    border-radius: 14px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.flow-product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.flow-product-center {
    background: linear-gradient(180deg, rgba(24, 144, 255, 0.10) 0%, rgba(19, 194, 194, 0.06) 100%);
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(24, 144, 255, 0.12);
}

.flow-product-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.flow-product-icon {
    font-size: 32px;
    margin-bottom: 8px;
    line-height: 1;
}

.flow-product-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.flow-product-role {
    font-size: 11px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.flow-product-list {
    list-style: none;
    text-align: left;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.flow-product-list li {
    padding: 1px 0;
}

.flow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    min-width: 24px;
}

.flow-arrow-text {
    font-size: 10px;
    color: var(--text-light);
    writing-mode: vertical-rl;
    margin-bottom: 4px;
    font-weight: 500;
    transform: rotate(180deg);
}

/* 四大产品矩阵详解 */
.product-grid {
    display: grid;
    gap: 20px;
}

.product-detail-card {
    padding: 32px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.product-detail-card:hover {
    box-shadow: var(--shadow-md);
}

.product-detail-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.product-detail-icon {
    font-size: 36px;
    line-height: 1;
    padding: 12px;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.12), rgba(19, 194, 194, 0.12));
    border-radius: 14px;
    flex-shrink: 0;
}

.product-detail-head h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.product-detail-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--primary-dark);
    background: rgba(24, 144, 255, 0.08);
    padding: 3px 10px;
    border-radius: 8px;
    font-weight: 500;
}

.product-detail-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 20px;
    padding-left: 68px;
}

/* 产品功能卡片行 */
.product-feature-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    padding-left: 68px;
}

.product-feature-box {
    padding: 16px 14px;
    background: linear-gradient(180deg, rgba(24, 144, 255, 0.04) 0%, transparent 100%);
    border: 1px solid rgba(24, 144, 255, 0.1);
    border-radius: 12px;
    transition: all 0.25s ease;
}

.product-feature-box:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.product-feature-icon {
    font-size: 22px;
    margin-bottom: 6px;
    line-height: 1;
}

.product-feature-box h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.product-feature-box p {
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 产品流程步骤 */
.product-detail-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px 20px;
    background: linear-gradient(90deg, rgba(24, 144, 255, 0.06), rgba(19, 194, 194, 0.06));
    border-radius: 12px;
    margin-left: 68px;
    flex-wrap: wrap;
}

.flow-step {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-dark);
    padding: 6px 12px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(24, 144, 255, 0.1);
    white-space: nowrap;
}

.flow-arrow-mini {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    padding: 0 2px;
}

/* 三大市场列 */
.market-three-cols {
    display: grid;
    grid-template-columns: 1fr 1.1fr 1fr;
    gap: 12px;
    padding-left: 68px;
    margin-bottom: 20px;
}

.market-col {
    padding: 20px;
    background: linear-gradient(180deg, rgba(24, 144, 255, 0.04) 0%, transparent 100%);
    border: 1px solid rgba(24, 144, 255, 0.12);
    border-radius: 14px;
    text-align: center;
    transition: all 0.25s ease;
}

.market-col:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.market-col-active {
    background: linear-gradient(180deg, rgba(24, 144, 255, 0.10) 0%, rgba(19, 194, 194, 0.06) 100%);
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(24, 144, 255, 0.12);
}

.market-col-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.market-col-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.market-col ul {
    list-style: none;
    text-align: left;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.market-col li::before {
    content: "▸ ";
    color: var(--primary);
}

/* 积分银行循环 */
.bank-cycle {
    padding-left: 68px;
}

.bank-cycle-arrow {
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
    padding: 6px;
    background: linear-gradient(90deg, rgba(24, 144, 255, 0.06), rgba(19, 194, 194, 0.06));
    border-radius: 8px;
}

.bank-cycle-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 12px;
}

.bank-cycle-row-buy {
    grid-template-columns: repeat(3, 1fr);
}

.bank-cycle-box {
    padding: 14px 12px;
    background: white;
    border: 1px solid rgba(24, 144, 255, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
}

.bank-cycle-box:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.bank-cycle-box-buy {
    background: linear-gradient(135deg, rgba(250, 140, 22, 0.06), rgba(24, 144, 255, 0.06));
    border-color: rgba(250, 140, 22, 0.2);
}

.bank-cycle-icon {
    font-size: 22px;
    flex-shrink: 0;
    padding: 6px 8px;
    background: rgba(24, 144, 255, 0.08);
    border-radius: 8px;
}

.bank-cycle-box strong {
    display: block;
    font-size: 13px;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.bank-cycle-box small {
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.5;
}

/* 小程序流程 */
.miniapp-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 6px;
    padding-left: 68px;
    align-items: stretch;
}

.miniapp-step {
    padding: 16px 12px;
    background: linear-gradient(180deg, rgba(24, 144, 255, 0.06) 0%, white 100%);
    border: 1px solid rgba(24, 144, 255, 0.15);
    border-radius: 12px;
    text-align: center;
    position: relative;
    transition: all 0.25s ease;
}

.miniapp-step:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.miniapp-num {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 12px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(24, 144, 255, 0.3);
}

.miniapp-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 6px 0 4px;
}

.miniapp-desc {
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.5;
}

.miniapp-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
    font-weight: 700;
}

/* ================ 模块二：精准对接 ================ */
.section-recommend {
    background: linear-gradient(180deg, transparent 0%, rgba(114, 46, 209, 0.03) 50%, transparent 100%);
}

/* 画像部分通用标题 */
.portrait-section-title {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: white;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.portrait-section-badge {
    font-size: 24px;
    padding: 8px 12px;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.1), rgba(19, 194, 194, 0.1));
    border-radius: 10px;
    line-height: 1;
}

.portrait-section-title h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.portrait-section-title p {
    font-size: 13px;
    color: var(--text-light);
}

/* 用户画像可视化 */
.portrait-section {
    margin-bottom: 40px;
}

.portrait-visual {
    display: grid;
    grid-template-columns: 0.9fr 1.3fr;
    gap: 24px;
    padding: 28px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}

/* 中心圆 */
.portrait-center {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
}

.portrait-avatar-circle {
    position: relative;
    width: 240px;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portrait-avatar {
    font-size: 72px;
    z-index: 10;
    padding: 24px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.2);
}

.portrait-ring {
    position: absolute;
    border: 2px dashed;
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.portrait-ring-1 {
    width: 180px;
    height: 180px;
    border-color: rgba(24, 144, 255, 0.4);
    font-size: 11px;
    color: var(--primary-dark);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10px;
    font-weight: 600;
}

.portrait-ring-2 {
    width: 210px;
    height: 210px;
    border-color: rgba(114, 46, 209, 0.35);
    animation-direction: reverse;
    animation-duration: 25s;
}

.portrait-ring-3 {
    width: 240px;
    height: 240px;
    border-color: rgba(19, 194, 194, 0.3);
    animation-duration: 30s;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 画像维度 */
.portrait-dimensions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.portrait-dim-item {
    padding: 12px;
    background: linear-gradient(180deg, rgba(114, 46, 209, 0.05) 0%, white 100%);
    border: 1px solid rgba(114, 46, 209, 0.12);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.portrait-dim-item:hover {
    border-color: var(--purple);
    transform: translateY(-1px);
}

.portrait-dim-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.portrait-dim-item h4 {
    font-size: 13px;
    font-weight: 700;
    color: #5a1eaa;
    margin-bottom: 6px;
}

.portrait-dim-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.portrait-dim-tags span {
    display: inline-block;
    font-size: 10px;
    padding: 2px 7px;
    background: rgba(114, 46, 209, 0.08);
    color: #5a1eaa;
    border-radius: 6px;
    font-weight: 500;
}

/* 画像飞轮总结 */
.portrait-summary {
    padding: 16px 20px;
    background: linear-gradient(90deg, rgba(114, 46, 209, 0.06), rgba(24, 144, 255, 0.06));
    border-radius: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.portrait-summary strong {
    color: var(--purple);
}

/* 推荐算法网格 */
.recommend-section {
    margin-bottom: 40px;
}

.recommend-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 24px;
}

.recommend-algo-card {
    padding: 22px 20px;
    background: white;
    border: 1px solid rgba(114, 46, 209, 0.12);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.recommend-algo-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--purple), var(--primary));
    opacity: 0.8;
}

.recommend-algo-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.recommend-algo-icon {
    font-size: 28px;
    margin-bottom: 8px;
    line-height: 1;
}

.recommend-algo-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--purple);
    margin-bottom: 8px;
}

.recommend-algo-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.recommend-algo-card strong {
    color: var(--text-primary);
}

.recommend-algo-bullets {
    list-style: none;
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.recommend-algo-bullets li::before {
    content: "▸ ";
    color: var(--purple);
    font-weight: 700;
}

.recommend-algo-tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(114, 46, 209, 0.12), rgba(24, 144, 255, 0.12));
    color: var(--purple);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
}

/* 融合公式 */
.recommend-formula {
    padding: 24px;
    background: linear-gradient(135deg, rgba(114, 46, 209, 0.06), rgba(24, 144, 255, 0.06));
    border-radius: 16px;
    text-align: center;
    margin-bottom: 24px;
    border: 1px solid rgba(114, 46, 209, 0.15);
}

.recommend-formula-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--purple);
    margin-bottom: 12px;
}

.recommend-formula-body {
    padding: 16px 24px;
    background: white;
    border-radius: 10px;
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-dark);
    font-family: "SF Mono", Consolas, monospace;
}

.recommend-formula-note {
    font-size: 12px;
    color: var(--text-light);
}

/* 推荐触达渠道 */
.recommend-touch {
    padding: 20px;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.recommend-touch-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--purple);
    margin-bottom: 14px;
    text-align: center;
}

.recommend-touch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.recommend-touch-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: linear-gradient(90deg, rgba(114, 46, 209, 0.05), rgba(24, 144, 255, 0.05));
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.recommend-touch-item span:first-child {
    font-size: 16px;
}

/* 六步流程 */
.flow-section {
    margin-bottom: 40px;
}

.six-step-flow {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.six-step-item {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 16px;
    padding: 16px;
    background: linear-gradient(90deg, rgba(250, 140, 22, 0.04), transparent);
    border-radius: 12px;
    transition: all 0.2s ease;
    align-items: flex-start;
}

.six-step-item:hover {
    background: linear-gradient(90deg, rgba(250, 140, 22, 0.08), rgba(24, 144, 255, 0.04));
    transform: translateX(4px);
}

.six-step-right {
    grid-template-columns: 1fr 50px;
    background: linear-gradient(270deg, rgba(24, 144, 255, 0.04), transparent);
}

.six-step-right:hover {
    background: linear-gradient(270deg, rgba(24, 144, 255, 0.08), rgba(114, 46, 209, 0.04));
    transform: translateX(-4px);
}

.six-step-right .six-step-num {
    grid-column: 2;
    grid-row: 1;
}

.six-step-right .six-step-content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
}

.six-step-num {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--orange), var(--primary));
    color: white;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(250, 140, 22, 0.25);
    flex-shrink: 0;
}

.six-step-content h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.six-step-content p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 6px;
}

.six-step-content strong {
    color: var(--orange);
}

.six-step-tech {
    font-size: 11px;
    color: var(--text-light);
    font-family: "SF Mono", Consolas, monospace;
    padding: 3px 8px;
    background: rgba(250, 140, 22, 0.06);
    border-radius: 6px;
    display: inline-block;
}

.six-step-connector {
    text-align: center;
    font-size: 14px;
    color: var(--orange);
    font-weight: 700;
    padding: 2px 0;
}

/* ================ 模块三：私域建设 ================ */
.section-private {
    background: linear-gradient(180deg, transparent 0%, rgba(82, 196, 26, 0.03) 50%, transparent 100%);
}

/* 四格价值卡 */
.private-value-section {
    margin-bottom: 40px;
}

.private-four-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.pd-card {
    padding: 22px 20px;
    background: white;
    border: 1px solid rgba(82, 196, 26, 0.12);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pd-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--green), var(--accent));
    opacity: 0.7;
}

.pd-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.pd-card-icon {
    font-size: 28px;
    margin-bottom: 10px;
    line-height: 1;
}

.pd-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 8px;
}

.pd-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.pd-card strong {
    color: var(--green);
}

.pd-card-tagline {
    font-size: 11px;
    color: var(--text-light);
    padding: 6px 10px;
    background: linear-gradient(90deg, rgba(82, 196, 26, 0.06), rgba(19, 194, 194, 0.06));
    border-radius: 6px;
    display: inline-block;
    font-weight: 500;
}

/* 复利价值链 */
.private-chain {
    padding: 24px;
    background: white;
    border-radius: 18px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.private-chain-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 16px;
    text-align: center;
}

.private-chain-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
    gap: 6px;
    align-items: stretch;
}

.private-chain-item {
    padding: 14px 10px;
    background: linear-gradient(180deg, rgba(82, 196, 26, 0.06) 0%, white 100%);
    border: 1px solid rgba(82, 196, 26, 0.12);
    border-radius: 12px;
    text-align: center;
    transition: all 0.25s ease;
}

.private-chain-item:hover {
    transform: translateY(-2px);
    border-color: var(--green);
}

.private-chain-num {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--green), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 4px;
}

.private-chain-item-highlight {
    background: linear-gradient(180deg, rgba(82, 196, 26, 0.12) 0%, rgba(19, 194, 194, 0.08) 100%);
    border-color: var(--green);
    box-shadow: 0 4px 12px rgba(82, 196, 26, 0.12);
}

.private-chain-item-final {
    background: linear-gradient(135deg, rgba(82, 196, 26, 0.15), rgba(19, 194, 194, 0.12));
    border-color: var(--accent);
}

.private-chain-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 2px;
}

.private-chain-desc {
    font-size: 10px;
    color: var(--text-light);
    line-height: 1.4;
}

.private-chain-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green);
    font-size: 16px;
    font-weight: 700;
}

/* 三大市场 → 私域 */
.methodology-section {
    margin-bottom: 40px;
}

.three-market-private {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.tm-col {
    padding: 26px 22px;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 18px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tm-col::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    opacity: 0.6;
}

.tm-col-contact::before { background: linear-gradient(180deg, var(--primary), var(--accent)); }
.tm-col-opp::before { background: linear-gradient(180deg, var(--purple), var(--primary)); }
.tm-col-res::before { background: linear-gradient(180deg, var(--green), var(--accent)); }

.tm-col:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tm-col-icon {
    font-size: 30px;
    margin-bottom: 12px;
    line-height: 1;
}

.tm-col-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.tm-col-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}

.tm-col-desc strong {
    color: var(--primary-dark);
}

.tm-col-opp .tm-col-desc strong { color: var(--purple); }
.tm-col-res .tm-col-desc strong { color: var(--green); }

.tm-col-bullets {
    list-style: none;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.85;
}

.tm-col-bullets li {
    padding: 3px 0;
}

.tm-col-bullets span {
    color: var(--primary);
    font-weight: 700;
    margin-right: 4px;
}

.tm-col-opp .tm-col-bullets span { color: var(--purple); }
.tm-col-res .tm-col-bullets span { color: var(--green); }

/* 社群优化闭环 */
.community-optimize {
    padding: 28px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.community-optimize-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 6px;
    text-align: center;
}

.community-optimize-desc {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 20px;
}

.community-six-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.community-item {
    padding: 16px 14px;
    background: linear-gradient(180deg, rgba(82, 196, 26, 0.05) 0%, white 100%);
    border: 1px solid rgba(82, 196, 26, 0.12);
    border-radius: 12px;
    transition: all 0.25s ease;
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 10px;
    align-items: flex-start;
}

.community-item:hover {
    border-color: var(--green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(82, 196, 26, 0.1);
}

.community-num {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--green), var(--accent));
    color: white;
    font-size: 12px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(82, 196, 26, 0.25);
}

.community-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 4px;
}

.community-body {
    min-width: 0;
}

.community-body p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.community-item strong {
    color: var(--primary-dark);
}

/* ================ 软件下载 ================ */
.section-download {
    background: linear-gradient(180deg, transparent 0%, rgba(250, 140, 22, 0.04) 50%, transparent 100%);
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.download-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.download-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(24, 144, 255, 0.2);
}

.download-card-top {
    padding: 32px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-card-top::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent);
    border-radius: 50%;
}

.download-card-top-blue {
    background: linear-gradient(135deg, #1890ff 0%, #13c2c2 100%);
    color: white;
}

.download-card-top-green {
    background: linear-gradient(135deg, #52c41a 0%, #13c2c2 100%);
    color: white;
}

.download-icon {
    font-size: 56px;
    margin-bottom: 12px;
    line-height: 1;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.15));
    position: relative;
    z-index: 2;
}

.download-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
    position: relative;
    z-index: 2;
}

.download-tag {
    font-size: 13px;
    opacity: 0.95;
    position: relative;
    z-index: 2;
}

.download-card-body {
    padding: 28px;
}

.download-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 18px;
}

.download-features {
    list-style: none;
    margin-bottom: 20px;
}

.download-features li {
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.download-features span {
    color: var(--green);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.download-btn-row {
    padding-top: 16px;
    border-top: 1px solid rgba(24, 144, 255, 0.12);
    display: flex;
    justify-content: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    color: white;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.25);
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(24, 144, 255, 0.35);
}

.download-btn-icon {
    font-size: 16px;
}

.download-hint {
    text-align: center;
    font-size: 11px;
    color: var(--text-light);
    padding-top: 12px;
    letter-spacing: 0.3px;
}

/* 最终 CTA 区 */
.cta-section {
    margin-top: 32px;
}

.cta-card {
    padding: 48px 32px;
    background: linear-gradient(135deg, #1890ff 0%, #722ed1 50%, #13c2c2 100%);
    color: white;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(24, 144, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent);
    border-radius: 50%;
}

.cta-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.cta-subtitle {
    font-size: 15px;
    opacity: 0.95;
    line-height: 1.8;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.btn-cta-white {
    display: inline-block;
    padding: 14px 32px;
    background: white;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.btn-cta-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.btn-cta-outline {
    display: inline-block;
    padding: 14px 32px;
    background: transparent;
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    border: 2px solid rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
}

.btn-cta-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* ================ Footer ================ */
.footer {
    margin-top: 60px;
    background: linear-gradient(180deg, transparent 0%, rgba(24, 144, 255, 0.04) 100%);
    padding-top: 40px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 32px;
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 40px;
}

.footer-brand-col {
    padding-right: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer-brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.footer-brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-brand-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.footer-col {
    min-width: 0;
}

.footer-col-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding: 20px 32px;
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    border-top: 1px solid rgba(24, 144, 255, 0.1);
    margin: 0 auto;
    max-width: 1280px;
}

/* ================ 滚动动画 ================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================ 响应式 ================ */
@media (max-width: 968px) {
    .hero-container,
    .section-header,
    .section-container,
    .footer-container,
    .navbar-container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-title {
        font-size: 32px;
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .hero-modules {
        grid-template-columns: 1fr;
    }

    .hero-stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-feature-row,
    .market-three-cols,
    .recommend-grid,
    .private-four-grid,
    .three-market-private,
    .community-six-grid,
    .download-grid,
    .footer-cols,
    .footer-container,
    .cta-buttons,
    .download-grid {
        grid-template-columns: 1fr;
    }

    .portrait-visual {
        grid-template-columns: 1fr;
    }

    .private-chain-row {
        grid-template-columns: 1fr;
    }

    .private-chain-arrow { display: none; }

    .recommend-touch-grid {
        grid-template-columns: 1fr 1fr;
    }

    .flow-products-row {
        grid-template-columns: 1fr;
    }

    .flow-arrow { display: none; }

    .section-title {
        font-size: 26px;
    }

    .product-detail-desc,
    .product-feature-row,
    .product-detail-flow,
    .bank-cycle,
    .market-three-cols {
        padding-left: 0;
    }

    .private-chain-row {
        grid-template-columns: 1fr;
    }

    .six-step-item {
        grid-template-columns: 40px 1fr;
    }

    .six-step-right {
        grid-template-columns: 1fr 40px;
    }

    .module-transition {
        flex-direction: column;
        text-align: center;
    }

    .cta-card {
        padding: 36px 24px;
    }

    .cta-title {
        font-size: 22px;
    }

    .footer-cols {
        grid-template-columns: 1fr 1fr;
    }
}

/* ================ 联系我们 · 二维码 ================ */
.contact-qrcodes {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.qr-item img {
    width: 88px;
    height: 88px;
    border-radius: 8px;
    border: 1px solid rgba(24, 144, 255, 0.15);
    padding: 4px;
    background: white;
    box-shadow: 0 2px 6px rgba(24, 144, 255, 0.08);
}

.qr-item span {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ================ 登录页样式 ================ */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 30%, #f5f5f5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.login-container {
    width: 100%;
    max-width: 960px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(24, 144, 255, 0.12);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    min-height: 560px;
}

.login-brand-panel {
    background: linear-gradient(135deg, #1890ff 0%, #13c2c2 100%);
    padding: 48px 40px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-brand-panel::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
    border-radius: 50%;
}

.login-brand-panel::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
    border-radius: 50%;
}

.login-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.login-brand-logo img {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.login-brand-logo span {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.login-brand-title {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.login-brand-subtitle {
    font-size: 14px;
    opacity: 0.95;
    line-height: 1.7;
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.login-features-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 2;
}

.login-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    backdrop-filter: blur(4px);
}

.login-feature-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.login-feature-text {
    font-size: 12px;
    line-height: 1.6;
}

.login-feature-text strong {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 2px;
}

/* 右侧表单区 */
.login-form-panel {
    padding: 48px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 1px solid #f0f0f0;
}

.form-tab {
    padding: 10px 18px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #8c8c8c;
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease;
    font-family: inherit;
}

.form-tab.active {
    color: var(--primary-dark);
}

.form-tab.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.form-title {
    font-size: 24px;
    font-weight: 700;
    color: #262626;
    margin-bottom: 8px;
}

.form-subtitle {
    font-size: 13px;
    color: #8c8c8c;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #595959;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #d9d9d9;
    border-radius: 10px;
    font-size: 14px;
    color: #262626;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 12px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #595959;
    cursor: pointer;
}

.checkbox-wrapper input {
    width: 14px;
    height: 14px;
    cursor: pointer;
    accent-color: var(--primary);
}

.form-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.form-link:hover {
    color: var(--primary-dark);
}

.form-submit {
    width: 100%;
    padding: 13px 20px;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.25);
    font-family: inherit;
}

.form-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(24, 144, 255, 0.35);
}

.form-divider {
    text-align: center;
    margin: 20px 0;
    font-size: 12px;
    color: #bfbfbf;
    position: relative;
}

.form-divider::before,
.form-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: #f0f0f0;
}

.form-divider::before {
    left: 0;
}

.form-divider::after {
    right: 0;
}

.form-back {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
}

/* 登录页响应式 */
@media (max-width: 768px) {
    .login-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .login-brand-panel {
        padding: 32px 24px;
    }

    .login-form-panel {
        padding: 32px 24px;
    }

    .login-brand-title {
        font-size: 26px;
    }

    .form-title {
        font-size: 20px;
    }
}