/* index1 页面补充样式（抽离自 index1.html） */

/* 统一占位符样式 */
.placeholder-box {
    background: #f1f5f9;
    border: 2px dashed #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: #94a3b8;
    font-weight: 600;
    border-radius: 1.5rem;
    width: 100%;
    aspect-ratio: 9 / 18;
    /* 模拟手机比例 */
    max-width: 280px;
}

.bg-brand .placeholder-box {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
}

* {
    box-sizing: border-box;
}

/* 侧边客服组件 */
.cs-panel {
    transform: translateX(16px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.cs-open .cs-panel {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.cs-open .cs-backdrop {
    pointer-events: auto;
    opacity: 1;
}

.cs-backdrop {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

/* 模态框样式 */
#salesModal.show {
    display: flex;
}

#salesModal.show .modal-content {
    transform: scale(1);
    opacity: 1;
}

/* 体验模态框样式 */
#experienceModal.show {
    display: flex;
}

#experienceModal.show .experience-modal-content {
    transform: scale(1);
    opacity: 1;
}

/* 导航栏选中效果 */
.nav-link {
    display: block;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link.active {
    background-color: #1A69FF;
    color: white !important;
    box-shadow: 0 10px 15px -3px rgba(26, 105, 255, 0.2);
}

.nav-link:hover:not(.active) {
    background-color: rgba(26, 105, 255, 0.05);
    color: #1A69FF;
}

/* --- 创意按钮优化 --- */
.btn-hero-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #1A69FF 0%, #3B82F6 100%);
    color: white;
    font-weight: 800;
    border-radius: 1.25rem;
    box-shadow: 0 8px 16px -4px rgba(26, 105, 255, 0.25);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-hero-primary:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 12px 24px -6px rgba(26, 105, 255, 0.35);
    color: white;
}

.btn-hero-primary i {
    transition: transform 0.3s ease;
}

.btn-hero-primary:hover i {
    transform: translateX(4px);
}

.btn-hero-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: white;
    color: #1A69FF;
    font-weight: 800;
    border-radius: 1.25rem;
    border: 2px solid rgba(26, 105, 255, 0.1);
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
    background: rgba(26, 105, 255, 0.02);
    border-color: rgba(26, 105, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.1);
    color: #1A69FF;
}

/* 新增：优化冗余 class */

/* 导航与弹窗通用蓝色按钮 */
.btn-brand-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    background-color: #1A69FF;
    color: #ffffff;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 10px 15px -3px rgba(26, 105, 255, 0.2);
    transition: all 0.3s;
}

.btn-brand-primary:hover {
    filter: brightness(1.1);
}

/* 导航与弹窗通用白色按钮 */
.btn-outline-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    color: #334155;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.btn-outline-secondary:hover {
    background-color: #f8fafc;
}

/* 背景装饰光斑 */
.hero-gradient-spot {
    position: absolute;
    border-radius: 9999px;
    filter: blur(64px);
    pointer-events: none;
    z-index: 0;
}

/* 功能项图标盒子 */
.feature-icon-wrapper {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
    box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.1);
    transition: all 0.3s;
}

.feature-item:hover .feature-icon-wrapper {
    transform: translateY(-0.25rem) scale(1.1);
}

.feature-item.active .feature-icon-wrapper {
    box-shadow: 0 0 0 4px rgba(26, 105, 255, 0.2);
}

/* 文章卡片 */
.article-card-custom {
    cursor: pointer;
    background-color: #ffffff;

    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -5px rgba(226, 232, 240, 0.4);
    border: 1px solid #f1f5f9;
    transition: all 0.3s;
}

.article-card-custom:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    transform: translateY(-0.25rem);
}

/* 技术栈卡片 */
.tech-card {
    background-color: #ffffff;
    padding: 1.5rem;
    /* p-6 */
    border-radius: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 20px 25px -5px rgba(226, 232, 240, 0.5);
    border: 1px solid #f1f5f9;
    transition: all 0.3s;
}

@media (min-width: 768px) {
    .tech-card {
        padding: 2rem;
        /* md:p-8 */
    }
}

.tech-card:hover {
    transform: translateY(-0.5rem);
}

/* 技术栈图标 */
.tech-icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    transition: all 0.3s;
}

@media (min-width: 768px) {
    .tech-icon-wrapper {
        width: 4rem;
        height: 4rem;
        font-size: 1.875rem;
    }
}

.tech-card:hover .tech-icon-wrapper {
    color: #ffffff !important;
}

.tech-icon-blue {
    background-color: #eff6ff;
    color: #1A69FF;
}

.tech-card:hover .tech-icon-blue {
    background-color: #1A69FF;
}

.tech-icon-green {
    background-color: #f0fdf4;
    color: #22c55e;
}

.tech-card:hover .tech-icon-green {
    background-color: #22c55e;
}

.tech-icon-emerald {
    background-color: #ecfdf5;
    color: #10b981;
}

.tech-card:hover .tech-icon-emerald {
    background-color: #10b981;
}

.tech-icon-red {
    background-color: #fef2f2;
    color: #ef4444;
}

.tech-card:hover .tech-icon-red {
    background-color: #ef4444;
}

.tech-icon-orange {
    background-color: #fff7ed;
    color: #f97316;
}

.tech-card:hover .tech-icon-orange {
    background-color: #f97316;
}

/* 品牌标签 */
.badge-brand {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    margin-bottom: 1rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #1A69FF;
    background-color: #eff6ff;
    border-radius: 9999px;
    text-transform: uppercase;
}

/* 生态闭环圆环 */
.ecosystem-circle {
    position: absolute;
    width: 5.75rem;
    height: 5.75rem;
    padding: 0.5rem;
    background-color: #ffffff;
    border-radius: 9999px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    /* shadow-2xl */
}

@media (min-width: 768px) {
    .ecosystem-circle {
        width: 12rem;
        height: 12rem;
        padding: 1rem;
    }
}

/* 弹窗主体容器 */
.modal-body-custom {
    position: relative;
    width: 100%;
    background-color: #ffffff;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transition: all 0.3s ease;
    opacity: 0;
}

/* --- 全局布局与板块基础类 --- */
.nav-main {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    z-index: 50;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.nav-main.scrolled {
    background-color: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid #f1f5f9;
}

.container-7xl {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    width: 100%;
}

@media (min-width: 768px) {
    .container-7xl {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

.flex-between-center {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.nav-links-box {
    display: none;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #64748b;
}

.nav-mobile-toggle,
.nav-mobile-spacer {
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
}

.nav-mobile-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 10px 30px -18px rgba(15, 23, 42, 0.45);
    transition: all 0.3s ease;
}

.nav-mobile-toggle span {
    width: 1rem;
    height: 2px;
    border-radius: 9999px;
    background: #0f172a;
    transition: all 0.3s ease;
}

.nav-mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(26, 105, 255, 0.16);
}

.mobile-nav-shell {
    position: fixed;
    inset: 0;
    z-index: 70;
    pointer-events: none;
}

.mobile-nav-shell.is-open {
    pointer-events: auto;
}

.mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.42);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: min(22rem, calc(100vw - 2.5rem));
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.98) 100%);
    backdrop-filter: blur(18px);
    box-shadow: 24px 0 48px -24px rgba(15, 23, 42, 0.35);
    padding: 1.25rem 1rem calc(1rem + env(safe-area-inset-bottom));
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-nav-shell.is-open .mobile-nav-backdrop {
    opacity: 1;
}

.mobile-nav-shell.is-open .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.mobile-nav-eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #94a3b8;
}

.mobile-nav-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    color: #0f172a;
}

.mobile-nav-close {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    border: 1px solid rgba(226, 232, 240, 0.9);
    background: #ffffff;
    color: #334155;
    font-size: 1.5rem;
    line-height: 1;
    box-shadow: 0 10px 20px -14px rgba(15, 23, 42, 0.3);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-nav-links .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(226, 232, 240, 0.85);
    color: #0f172a;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: normal;
    text-transform: none;
    box-shadow: 0 14px 30px -24px rgba(15, 23, 42, 0.35);
}

.mobile-nav-links .nav-link::after {
    content: '›';
    color: #94a3b8;
    font-size: 1.25rem;
    line-height: 1;
}

.mobile-nav-links .nav-link.active {
    background: linear-gradient(135deg, #1A69FF 0%, #4F8DFF 100%);
    border-color: transparent;
    color: #ffffff !important;
    box-shadow: 0 16px 30px -18px rgba(26, 105, 255, 0.45);
}

.mobile-nav-links .nav-link.active::after {
    color: rgba(255, 255, 255, 0.82);
}

.mobile-nav-actions {
    margin-top: auto;
    display: grid;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

body.mobile-nav-open {
    overflow: hidden;
}

@media (min-width: 768px) {
    .logo-box {
        flex: 0 0 auto;
        justify-content: flex-start;
    }

    .nav-links-box {
        display: flex;
    }
}

/* Section 基础间距 */
.section-hero {
    position: relative;
    padding-top: 7rem;
    padding-bottom: 4rem;
    background-color: #ffffff;
    overflow: hidden;
}

.section-data {
    position: relative;
    padding-top: 4rem;
    padding-bottom: 4rem;
    background-color: #1A69FF;
    color: #ffffff;
    overflow: hidden;
}

.section-features {
    padding-top: 4rem;
    padding-bottom: 4rem;
    background-color: #ffffff;
    position: relative;
    overflow: hidden;
}

.section-mall {
    padding-top: 4rem;
    padding-bottom: 4rem;
    background-color: #1A69FF;
    color: #ffffff;
    overflow: hidden;
}

.section-pay,
.section-partners,
.section-news {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

@media (min-width: 768px) {
    .section-hero {
        padding-top: 9rem;
        padding-bottom: 6rem;
    }

    .section-data,
    .section-features,
    .section-mall,
    .section-pay,
    .section-partners,
    .section-news {
        padding-top: 6rem;
        padding-bottom: 6rem;
    }
}

/* 标题样式 */
.title-xl-dark {
    font-size: clamp(1.875rem, 7vw, 2.5rem);
    font-weight: 900;
    color: #0f172a;
    margin-bottom: 1rem;
    line-height: 1.15;
}

.title-xl-white {
    font-size: clamp(1.875rem, 7vw, 2.5rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    line-height: 1.15;
}

@media (min-width: 768px) {

    .title-xl-dark,
    .title-xl-white {
        font-size: 3rem;
    }

    .lg\:text-8xl {
        font-size: inherit;
    }

    /* 特殊处理 Hero 标题 */
}

@media (min-width: 1024px) {
    .lg\:text-8xl {
        font-size: 6rem;
    }
}

.subtitle-lg-gray {
    font-size: clamp(1rem, 3.8vw, 1.125rem);
    color: #64748b;
    line-height: 1.7;
}

.subtitle-lg-blue {
    font-size: clamp(1rem, 4vw, 1.25rem);
    color: rgba(219, 234, 254, 0.7);
    font-weight: 500;
    line-height: 1.7;
}

/* 时间轴 */
.timeline-item {
    display: flex;
    gap: 1rem;
}

.timeline-year-box {
    width: 4rem;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0.25rem;
}

.timeline-year-text {
    color: rgba(191, 219, 254, 0.5);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.timeline-content-box {
    flex: 1;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    padding-left: 1rem;
    padding-bottom: 1.5rem;
    transition: border-color 0.3s;
}

.group:hover .timeline-content-box {
    border-left-color: rgba(255, 255, 255, 0.4);
}

/* 数据统计 */
.stat-icon {
    color: #93c5fd;
    font-size: 1.25rem;
    transition: transform 0.3s;
}

.group:hover .stat-icon {
    transform: scale(1.1);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fde047;
    line-height: 1;
}

@media (min-width: 768px) {
    .stat-number {
        font-size: 1.875rem;
    }
}

/* 功能网格 */
.grid-features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.875rem;
}

@media (min-width: 768px) {
    .grid-features {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1.25rem;
    }
}

.feature-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.25rem;
    transition: color 0.3s;
}

.feature-item:hover .feature-title,
.feature-item.active .feature-title {
    color: #1A69FF;
}

/* 文章卡片标题 */
.article-title-custom {
    font-size: 1.125rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s;
}

.group:hover .article-title-custom {
    color: #1A69FF;
}

/* 模态框主体修正 */
.experience-modal-main {
    position: relative;
    width: min(42rem, calc(100vw - 2rem));
    max-width: 42rem;
    background-color: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding-top: 2rem;
    transition: all 0.3s;
    max-height: 90vh;
    overflow-y: auto;
}

.sales-modal-main {
    position: relative;
    width: 100%;
    max-width: 24rem;
    background-color: #ffffff;
    border-radius: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.footer-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
    background-color: #ffffff;
    border-top: 1px solid #f1f5f9;
    text-align: center;
}

/* 深度优化：减少 HTML 中的 class 冗余 */
.hero-spot-1 {
    position: absolute;
    top: -6rem;
    left: -6rem;
    width: min(70vw, 520px);
    height: min(70vw, 520px);
    background: linear-gradient(to bottom right, rgba(34, 211, 238, 0.25), rgba(59, 130, 246, 0.15), rgba(168, 85, 247, 0.2));
    border-radius: 9999px;
    filter: blur(64px);
    pointer-events: none;
    z-index: 0;
}

.hero-spot-2 {
    position: absolute;
    top: 2.5rem;
    right: -6rem;
    width: min(72vw, 560px);
    height: min(72vw, 560px);
    background: linear-gradient(to bottom right, rgba(52, 211, 153, 0.18), rgba(14, 165, 233, 0.14), rgba(37, 99, 235, 0.18));
    border-radius: 9999px;
    filter: blur(64px);
    pointer-events: none;
    z-index: 0;
}

.btn-group-hero {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    justify-content: center;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .btn-group-hero {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .btn-group-hero {
        justify-content: flex-start;
    }
}

.container-data-flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .container-data-flex {
        flex-direction: row;
        gap: 5rem;
    }
}

.stat-card-inner {
    position: relative;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1), transparent);
    backdrop-filter: blur(12px);
    width: 100%;
    padding: 1.5rem;
    border-radius: 1.75rem;
}

.stat-header-flex {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
}

.stat-item-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-header-flex > .w-px {
    display: none;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    min-height: 100%;
    padding: 1rem 0.75rem;
    border-radius: 1.25rem;
    border: 1px solid #e2e8f0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 18px 30px -24px rgba(15, 23, 42, 0.35);
    transition: all 0.3s;
}

.feature-item:hover {
    border-color: rgba(26, 105, 255, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 22px 40px -24px rgba(26, 105, 255, 0.3);
}

.feature-item.active {
    border-color: rgba(26, 105, 255, 0.18);
    transform: none;
    box-shadow: 0 18px 30px -24px rgba(15, 23, 42, 0.35);
}

.cs-panel-main {
    position: absolute;
    right: 0;
    bottom: 4rem;
    width: 252px;
    border-radius: 1rem;
    background-color: #ffffff;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid #f1f5f9;
    overflow: hidden;
}

.cs-icon-box {
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    background-color: rgba(26, 105, 255, 0.1);
    color: #1A69FF;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.cs-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
    font-weight: 700;
    color: #1e293b;
    text-decoration: none;
}

.modal-close-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background-color: #f8fafc;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.modal-close-btn:hover {
    background-color: #f1f5f9;
    color: #64748b;
}

.qrcode-container {
    padding: 1rem;
    background-color: #f1f5f9;
    border-radius: 0.75rem;
    aspect-ratio: 1 / 1;
    max-width: 255px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e2e8f0;
}

@media (max-width: 767px) {
    .qrcode-container-demo {
        max-width: 126px;
    }
}

.qrcode-container-small {
    background-color: #ffffff;
    border-radius: 1rem;
    padding: 0.5rem;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.mobile-contact-dock {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 0.75rem 0;
}

.mobile-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    height: 3.25rem;
    border-radius: 1rem;
    font-size: 0.95rem;
    font-weight: 800;
    transition: transform 0.25s ease, filter 0.25s ease;
}

.mobile-contact-btn:hover,
.mobile-contact-btn:active {
    transform: translateY(-1px);
}

.mobile-contact-btn-phone {
    background: linear-gradient(135deg, #1A69FF 0%, #4C8EFF 100%);
    color: #ffffff;
}

.mobile-contact-btn-wechat {
    background: linear-gradient(135deg, #07c160 0%, #11d46f 100%);
    color: #ffffff;
}

.mobile-contact-btn-icon {
    width: 1.9rem;
    height: 1.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background: #ffffff;
    font-size: 1.1rem;
    animation: mobileContactIconPulse 1.6s ease-in-out infinite;
    transform-origin: center;
}

.mobile-contact-btn-phone .mobile-contact-btn-icon {
    color: #1A69FF;
    animation: mobilePhoneIconSwing 1.4s ease-in-out infinite;
}

.mobile-contact-btn-wechat .mobile-contact-btn-icon {
    color: #07c160;
}

@keyframes mobileContactIconPulse {
    0%, 100% {
        transform: translateY(0) scale(1);
    }

    30% {
        transform: translateY(-2px) scale(1.08);
    }

    60% {
        transform: translateY(0) scale(0.98);
    }
}

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

    20% {
        transform: rotate(-14deg);
    }

    40% {
        transform: rotate(12deg);
    }

    60% {
        transform: rotate(-9deg);
    }

    80% {
        transform: rotate(6deg);
    }
}

/* 更多细节优化 */
.badge-news {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.75rem;
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 0.5rem;
}

.grid-partners {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

@media (min-width: 768px) {
    .grid-partners {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .grid-partners {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

.grid-tech {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .grid-tech {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 2rem;
    }
}

.article-img-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 0.5rem 0.5rem 0 0;
    overflow: hidden;
    margin-bottom: 0.5rem;

}

/* 极致清理：最后几个稍长的 class */
.cs-close-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 0.75rem;
    background-color: #f8fafc;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}

.cs-toggle-btn {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background-color: #07C160;
    color: #ffffff;
    shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}

.footer-social-icons {
    color: #cbd5e1;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-copyright {
    color: #94a3b8;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 700;
}

.section-heading,
.section-heading.mb-16,
.section-heading.mb-20 {
    margin-bottom: 3rem;
}

.hero-layout {
    gap: 2.5rem;
}

.hero-copy {
    max-width: 34rem;
}

.hero-title-wrap {
    position: relative;
    display: inline-flex;
    align-items: flex-start;
    justify-content: center;
}

.hero-title {
    margin-bottom: 1.25rem;
    font-size: clamp(2.75rem, 14vw, 4.75rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.hero-title-tag {
    position: absolute;
    top: 0.05rem;
    right: -1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.9rem;
    height: 1.45rem;
    padding: 0 0.5rem;
    border-radius: 9999px;
    background: linear-gradient(135deg, #f97316 0%, #fb7185 100%);
    color: #ffffff;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    box-shadow: 0 10px 20px -14px rgba(249, 115, 22, 0.8);
}

.hero-highlight-line {
    margin: -0.15rem 0 1rem;
    font-size: clamp(1rem, 4.4vw, 1.35rem);
    font-weight: 800;
    line-height: 1.45;
    color: #64748b;
}

.hero-highlight-emoji {
    display: inline-block;
    margin-right: 0.35rem;
    transform-origin: center;
    animation: heroHighlightEmojiPulse 1.6s ease-in-out infinite;
}

.hero-lede {
    margin-bottom: 0;
}

.hero-visual {
    margin-top: 0.5rem;
}

.features-layout {
    gap: 2.75rem;
}

.feature-preview-column,
.feature-list-column {
    width: 100%;
}

.feature-visual {
    max-width: 20rem;
    margin: 0 auto;
}

.feature-copy {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: #64748b;
}

.feature-list-shell {
    width: 100%;
}

.feature-scroll-hint {
    display: none;
}

.feature-scroll-arrow-wrap {
    display: none;
}

.ecosystem-layout {
    gap: 2.75rem;
}

.ecosystem-copy {
    width: 100%;
}

.ecosystem-map {
    width: min(100%, 18rem);
    height: 18rem;
}

.ecosystem-circle-title {
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1.2;
}

.ecosystem-circle-label {
    font-size: 0.5rem;
    line-height: 1.2;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: normal;
}

.ecosystem-point-title {
    font-size: 1.5rem;
}

.ecosystem-point-copy {
    font-size: 1rem;
    line-height: 1.75;
}

.news-card-hero {
    height: 9.5rem;
}

.news-card-heading {
    width: 100%;
    font-size: clamp(1.625rem, 8vw, 2.5rem);
    line-height: 1.1;
}

.news-card-bilingual {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
}

.news-card-en {
    font-size: clamp(0.875rem, 3.4vw, 1.5rem);
    letter-spacing: 0.08em;
}

.news-card-body {
    padding: 1.25rem 1rem;
}

.grid-partners img {
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

@media (min-width: 768px) {
    .section-heading,
    .section-heading.mb-16,
    .section-heading.mb-20 {
        margin-bottom: 5rem;
    }

    .badge-brand {
        padding: 0.375rem 1rem;
        margin-bottom: 1.5rem;
        font-size: 0.75rem;
        letter-spacing: 0.1em;
    }

    .timeline-item {
        gap: 2rem;
    }

    .timeline-year-box {
        width: 5rem;
    }

    .timeline-year-text {
        font-size: 1.125rem;
        margin-bottom: 1rem;
    }

    .timeline-content-box {
        padding-left: 2rem;
        padding-bottom: 2rem;
    }

    .feature-title {
        font-size: 1rem;
    }

    .feature-item {
        padding: 1.25rem 1rem;
    }

    .feature-icon-wrapper {
        width: 4rem;
        height: 4rem;
        margin-bottom: 1rem;
        font-size: 1.5rem;
    }

    .stat-card-inner {
        padding: 2.5rem;
    }

    .stat-header-flex {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        gap: 0.5rem;
        margin-bottom: 2.5rem;
        padding-bottom: 3rem;
    }

    .stat-header-flex > .w-px {
        display: block;
    }

    .hero-layout {
        gap: 4rem;
    }

    .hero-title {
        margin-bottom: 2rem;
        font-size: clamp(4rem, 10vw, 5.75rem);
    }

    .hero-title-tag {
        top: 0.3rem;
        right: -1.35rem;
        min-width: 3.3rem;
        height: 1.65rem;
        font-size: 0.74rem;
    }

    .hero-highlight-line {
        margin: -0.7rem 0 1.15rem;
    }

    .btn-group-hero {
        gap: 1.25rem;
        margin-top: 2.5rem;
    }

    .features-layout {
        gap: 4rem;
    }

    .feature-visual {
        max-width: 28rem;
    }

    .feature-copy {
        font-size: 0.875rem;
    }

    .ecosystem-layout {
        gap: 5rem;
    }

    .ecosystem-map {
        width: 22rem;
        height: 22rem;
    }

    .ecosystem-circle-title {
        font-size: 1.5rem;
    }

    .ecosystem-circle-label {
        font-size: 0.75rem;
    }

    .ecosystem-point-copy {
        font-size: 1.125rem;
    }

    .news-card-body {
        padding: 1.5rem;
    }

}

@media (min-width: 1024px) {
    .feature-preview-column {
        width: 33.333333%;
    }

    .feature-list-column {
        width: 66.666667%;
    }

    .features-layout {
        gap: 8rem;
    }

    .feature-visual {
        max-width: 37.5rem;
    }

    .ecosystem-map {
        width: 21.875rem;
        height: 21.875rem;
    }
}

@media (max-width: 767px) {
    .hero-title-tag {
        top: -0.1rem;
        right: -0.7rem;
        min-width: 2.5rem;
        height: 1.2rem;
        padding: 0 0.4rem;
        font-size: 0.6rem;
    }

    .hero-highlight-line {
        margin: 0 0 0.85rem;
    }

    .grid-partners {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 0.75rem 0.5rem;
    }

    .grid-tech {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.75rem;
    }

    .grid-tech .tech-card {
        padding: 1rem 0.75rem;
        border-radius: 1.25rem;
    }

    .grid-tech .tech-icon-wrapper {
        width: 2.75rem;
        height: 2.75rem;
        margin-bottom: 0.75rem;
        font-size: 1.125rem;
    }

    .grid-tech .tech-card h4 {
        font-size: 0.875rem;
        margin-bottom: 0.4rem;
    }

    .grid-tech .tech-card p {
        font-size: 0.6875rem;
        line-height: 1.4;
    }

    .section-features .features-layout {
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: stretch;
        gap: 0.5rem;
        width: 100%;
    }

    .section-features .feature-preview-column {
        flex: 1 1 auto;
        display: flex;
        align-items: center;
        min-width: 0;
        width: auto;
    }

    .section-features .feature-list-column {
        flex: 0 0 4.75rem;
        width: 4.75rem;
        margin-left: auto;
    }

    .section-features .feature-visual {
        width: 100%;
        max-width: none;
        margin: 0;
    }

    .section-features .feature-list-shell {
        min-width: 0;
        width: 4.75rem;
        height: 100%;
        margin-left: auto;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        overflow: hidden;
    }

    .section-features .feature-scroll-arrow-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
        padding: 0.15rem 0;
    }

    .section-features .feature-scroll-arrow-wrap-top {
        margin-bottom: 0.25rem;
    }

    .section-features .feature-scroll-arrow-wrap-bottom {
        margin-top: 0.25rem;
    }

    .section-features .feature-scroll-arrow {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 1.15rem;
        height: 1.15rem;
        border-radius: 9999px;
        background: rgba(239, 246, 255, 0.95);
        box-shadow: 0 6px 14px -10px rgba(26, 105, 255, 0.45);
    }

    .section-features .feature-scroll-arrow-up {
        animation: featureScrollHintPulse 1.8s ease-in-out infinite;
    }

    .section-features .feature-scroll-arrow-down {
        animation: featureScrollHintPulseDown 1.8s ease-in-out infinite;
    }

    .section-features .grid-features {
        grid-template-columns: 1fr;
        gap: 0.4rem;
        max-height: none;
        overflow-y: auto;
        padding-right: 0.1rem;
        width: 100%;
        scroll-snap-type: y proximity;
        overscroll-behavior: contain;
        flex: 1 1 auto;
    }

    .section-features .grid-features::-webkit-scrollbar {
        width: 4px;
    }

    .section-features .grid-features::-webkit-scrollbar-thumb {
        background: rgba(148, 163, 184, 0.45);
        border-radius: 9999px;
    }

    .section-features .feature-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.3rem;
        width: 100%;
        min-height: 4.5rem;
        padding: 0.4rem 0.2rem;
        border: none;
        border-radius: 0.65rem;
        background: rgba(248, 250, 252, 0.78);
        box-shadow: none;
        text-align: center;
        scroll-snap-align: start;
        transition: none;
    }

    .section-features .feature-item > .feature-icon-wrapper {
        margin-bottom: 0;
        transition: none;
    }

    .section-features .feature-item:hover .feature-icon-wrapper,
    .section-features .feature-item.active .feature-icon-wrapper {
        transform: none;
    }

    .section-features .feature-item:hover,
    .section-features .feature-item.active {
        border: none;
        transform: none;
        box-shadow: none;
    }

    .section-features .feature-item.active {
        background: rgba(219, 234, 254, 0.95);
        box-shadow: none;
    }

    .section-features .feature-item.active .feature-title {
        color: #1A69FF;
    }

    .section-features .feature-item.active .feature-icon-wrapper {
        box-shadow: 0 0 0 2px rgba(26, 105, 255, 0.18);
    }

    .section-features .feature-title {
        font-size: 0.7rem;
        line-height: 1.2;
        margin-bottom: 0;
        transition: none;
    }

    .section-features .feature-copy {
        display: none;
    }

    .section-hero .hero-layout {
        flex-direction: column-reverse;
    }

    .section-hero .btn-group-hero {
        display: none;
    }

    .grid-partners img {
        max-height: 2rem;
    }

    .btn-hero-primary,
    .btn-hero-secondary,
    .btn-brand-primary,
    .btn-outline-secondary {
        width: 100%;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
        font-size: 1rem;
    }

    .feature-icon-wrapper {
        width: 3rem;
        height: 3rem;
        margin-bottom: 0.75rem;
        font-size: 1.125rem;
    }

    .section-data[style] {
        background-size: 160px 260px, 180px 260px !important;
    }

    .news-card-hero a {
        top: 0.875rem;
        right: 1rem;
    }
}

@keyframes featureScrollHintPulse {
    0%, 100% {
        transform: translateY(0);
    }

    35% {
        transform: translateY(-2px);
    }

    70% {
        transform: translateY(2px);
    }
}

@keyframes featureScrollHintPulseDown {
    0%, 100% {
        transform: translateY(0);
    }

    35% {
        transform: translateY(2px);
    }

    70% {
        transform: translateY(-2px);
    }
}

@keyframes heroHighlightEmojiPulse {
    0%, 100% {
        transform: translateY(0) scale(1);
    }

    20% {
        transform: translateY(-2px) scale(1.08);
    }

    45% {
        transform: translateY(0) scale(0.98);
    }

    70% {
        transform: translateY(-1px) scale(1.12);
    }
}