/* KnowSmart Theme - 前端样式 */
/* Version: 1.0.0 */
/* 基于 Astra 子主题，包含首页完整样式 */

/* ============================================
   禁用 Astra 在首页模板上的所有默认元素
   确保 .ks-homepage body 下只显示自定义元素
   ============================================ */
body.ks-homepage .ast-main-header-bar,
body.ks-homepage .ast-above-header-bar,
body.ks-homepage .ast-below-header-bar,
body.ks-homepage .site-footer,
body.ks-homepage .ast-breadcrumbs,
body.ks-homepage .entry-header,
body.ks-homepage .ast-single-post-featured-section,
body.ks-homepage .page-title,
body.ks-homepage .ast-container,
body.ks-homepage .content-area,
body.ks-homepage .primary,
body.ks-homepage .site-content,
body.ks-homepage .ast-page-builder-template,
body.ks-homepage .entry-content .elementor-section-wrap,
body.ks-homepage .ast-default-menu-enable,
body.ks-homepage .ast-main-header-wrap,
body.ks-homepage .ast-primary-header-bar,
body.ks-homepage .ast-header-break-point,
body.ks-homepage #masthead,
body.ks-homepage .site-branding,
body.ks-homepage .main-navigation,
body.ks-homepage .ast-site-header-cart,
body.ks-homepage .ast-header-account,
body.ks-homepage .woocommerce-myaccount-navigation,
body.ks-homepage .ast-footer-overlay,
body.ks-homepage .ast-small-footer,
body.ks-homepage .ast-above-footer,
body.ks-homepage .ast-below-footer,
body.ks-homepage .footer-widget-area,
body.ks-homepage .ast-single-post-title,
body.ks-homepage .entry-title,
body.ks-homepage .ast-page-title,
body.ks-homepage .ast-main-content-wrap,
body.ks-homepage .ast-grid-container,
body.ks-homepage .ast-article-single,
body.ks-homepage .ast-article-post {
    display: none !important;
}

/* 首页模板 body 重置：确保全宽、无限制 */
body.ks-homepage {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

body.ks-homepage #page {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden;
}

/* 首页模板：确保所有自定义区块纵向堆叠，全宽显示 */
body.ks-homepage .ks-section {
    display: block;
    width: 100%;
    max-width: 100%;
    position: relative;
}

/* 首页模板：自定义 header 和 footer 全宽显示 */
body.ks-homepage .ks-header,
body.ks-homepage .ks-footer {
    display: block;
    width: 100%;
    max-width: 100%;
}

/* 首页模板：自定义导航栏确保在顶层 */
body.ks-homepage .ks-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

/* 登录后台时，导航栏下移避开 WordPress 管理栏 */
body.admin-bar body.ks-homepage .ks-header,
body.admin-bar.ks-homepage .ks-header {
    top: 32px;
}

/* ============================================
   CSS 变量定义
   ============================================ */
:root {
    /* 品牌主色 */
    --ks-primary: #2563eb;
    --ks-primary-dark: #1e40af;
    --ks-primary-light: #3b82f6;
    --ks-secondary: #1e40af;
    --ks-accent: #f59e0b;
    --ks-accent-blue: #38BDF8;

    /* 文字颜色 */
    --ks-text: #1f2937;
    --ks-text-light: #6b7280;
    --ks-text-lighter: #9ca3af;
    --ks-text-white: #ffffff;

    /* 背景颜色 */
    --ks-bg: #ffffff;
    --ks-bg-light: #f9fafb;
    --ks-bg-lighter: #f3f4f6;
    --ks-dark-bg: #0F1118;
    --ks-dark-bg-light: #191C26;

    /* 渐变 */
    --ks-gradient-hero: linear-gradient(135deg, #0F1118 0%, #141824 40%, #1a2235 70%, #0F1118 100%);
    --ks-gradient-cta: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #2563eb 100%);
    --ks-gradient-primary: linear-gradient(135deg, #2563eb, #1e40af);

    /* 边框与阴影 */
    --ks-border: #e5e7eb;
    --ks-border-light: #f3f4f6;
    --ks-radius: 8px;
    --ks-radius-lg: 12px;
    --ks-radius-xl: 16px;
    --ks-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --ks-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --ks-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --ks-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* 过渡 */
    --ks-transition: all 0.3s ease;
    --ks-transition-slow: all 0.5s ease;

    /* 间距 */
    --ks-section-padding: 6rem 0;
    --ks-section-padding-mobile: 3rem 0;

    /* B端深色模式变量 */
    --b2b-bg: #0F1118;
    --b2b-card: #191C26;
    --b2b-primary: #2563EB;
    --b2b-accent: #38BDF8;
    --b2b-text: #CBD5E1;
    --b2b-text-secondary: #64748B;
    --b2b-border: #333846;
    --b2b-gradient-hero: linear-gradient(135deg, #0F1118 0%, #141824 40%, #1a2235 70%, #0F1118 100%);
    --b2b-gradient-section-dark: linear-gradient(180deg, #0F1118 0%, #141824 100%);
}

/* ============================================
   全局重置与基础样式
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    color: var(--ks-text);
    background-color: var(--ks-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--ks-transition);
}

/* ============================================
   通用组件
   ============================================ */
.ks-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* 按钮系统 */
.ks-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--ks-radius);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ks-transition);
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
}

.ks-btn--primary {
    background-color: var(--ks-primary);
    color: var(--ks-text-white);
}

.ks-btn--primary:hover {
    background-color: var(--ks-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.ks-btn--outline {
    background-color: transparent;
    color: var(--ks-primary);
    border: 2px solid var(--ks-primary);
}

.ks-btn--outline:hover {
    background-color: var(--ks-primary);
    color: var(--ks-text-white);
    transform: translateY(-1px);
}

.ks-btn--white {
    background-color: var(--ks-text-white);
    color: var(--ks-primary);
}

.ks-btn--white:hover {
    background-color: var(--ks-bg-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.ks-btn--outline-white {
    background-color: transparent;
    color: var(--ks-text-white);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.ks-btn--outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--ks-text-white);
    transform: translateY(-1px);
}

.ks-btn--lg {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
}

/* 区块通用样式 */
.ks-section {
    padding: var(--ks-section-padding);
    position: relative;
}

.ks-section__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.ks-section__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--ks-text);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.ks-section__desc {
    font-size: 1.125rem;
    color: var(--ks-text-light);
    line-height: 1.7;
}

/* ============================================
   滚动入场动画
   ============================================ */
.ks-animate {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.ks-fade-in {
    transform: none;
}

.ks-fade-in-up {
    transform: translateY(30px);
}

.ks-animate.ks-animated {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ============================================
   区块1：导航栏
   ============================================ */
.ks-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--ks-transition);
    background-color: transparent;
}

.ks-header--scrolled {
    background-color: var(--ks-bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 0.75rem 0;
}

.ks-header--scrolled .ks-header__logo-text,
.ks-header--scrolled .ks-header__menu-link,
.ks-header--scrolled .ks-header__menu-arrow {
    color: var(--ks-text);
}

.ks-header--scrolled .ks-header__logo-sub {
    color: var(--ks-text-light);
}

.ks-header--scrolled .ks-header__menu-link:hover {
    color: var(--ks-primary);
}

.ks-header--scrolled .ks-header__menu-link--active {
    color: var(--ks-primary);
}

.ks-header--scrolled .ks-header__submenu {
    background-color: var(--ks-bg);
    box-shadow: var(--ks-shadow-lg);
    border: 1px solid var(--ks-border);
}

.ks-header--scrolled .ks-header__submenu a {
    color: var(--ks-text);
}

.ks-header--scrolled .ks-header__submenu a:hover {
    color: var(--ks-primary);
    background-color: var(--ks-bg-light);
}

.ks-header--scrolled .ks-header__hamburger-line {
    background-color: var(--ks-text);
}

.ks-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo */
.ks-header__logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    flex-shrink: 0;
}

.ks-header__logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ks-text-white);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.ks-header__logo-sub {
    font-size: 0.6875rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.05em;
    line-height: 1.2;
}

/* 导航菜单 */
.ks-header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.ks-header__menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.ks-header__menu-item {
    position: relative;
}

.ks-header__menu-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--ks-radius);
    transition: var(--ks-transition);
    white-space: nowrap;
}

.ks-header__menu-link:hover {
    color: var(--ks-text-white);
    background-color: rgba(255, 255, 255, 0.1);
}

.ks-header__menu-link--active {
    color: var(--ks-text-white);
}

.ks-header__menu-arrow {
    width: 10px;
    height: 6px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

/* 下拉子菜单 */
.ks-header__submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(0.5rem);
    min-width: 180px;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-radius: var(--ks-radius-lg);
    padding: 0.5rem;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.ks-header__menu-item--has-children:hover .ks-header__submenu,
.ks-header__menu-item--has-children .ks-header__submenu--open {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.ks-header__menu-item--has-children:hover .ks-header__menu-arrow {
    transform: rotate(180deg);
}

.ks-header__submenu li a {
    display: block;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--ks-radius);
    transition: var(--ks-transition);
}

.ks-header__submenu li a:hover {
    color: var(--ks-text-white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* CTA 按钮 */
.ks-header__actions {
    flex-shrink: 0;
}

.ks-header__cta-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.ks-header__login-btn {
    font-size: 0.875rem;
    text-decoration: none;
    white-space: nowrap;
}

.ks-header__login-btn:hover {
    opacity: 0.8;
}

.ks-header__user-name {
    font-size: 0.8rem;
    color: #666;
    white-space: nowrap;
    transition: color 0.2s;
}

.ks-header__user-name:hover {
    color: #2563eb !important;
}

/* 汉堡菜单 */
.ks-header__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.ks-header__hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--ks-text-white);
    border-radius: 2px;
    transition: var(--ks-transition);
}

.ks-header__hamburger--active .ks-header__hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.ks-header__hamburger--active .ks-header__hamburger-line:nth-child(2) {
    opacity: 0;
}

.ks-header__hamburger--active .ks-header__hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   区块2：Hero 大屏
   ============================================ */
.ks-section--hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ks-gradient-hero);
    padding: 0;
    position: relative;
    overflow: hidden;
}

/* CSS伪元素模拟粒子效果 */
.ks-hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.ks-hero__particles::before,
.ks-hero__particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
}

.ks-hero__particles::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--ks-primary) 0%, transparent 70%);
    top: 10%;
    right: -100px;
    animation: ks-float-particle 15s ease-in-out infinite;
}

.ks-hero__particles::after {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
    bottom: 10%;
    left: -50px;
    animation: ks-float-particle 12s ease-in-out infinite reverse;
}

/* 额外的粒子层 */
.ks-section--hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 100%),
        radial-gradient(2px 2px at 40% 70%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 20%, rgba(255, 255, 255, 0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(2px 2px at 10% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 90%, rgba(255, 255, 255, 0.3) 0%, transparent 100%),
        radial-gradient(2px 2px at 90% 10%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.25) 0%, transparent 100%);
    pointer-events: none;
    animation: ks-twinkle 4s ease-in-out infinite alternate;
}

@keyframes ks-float-particle {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

@keyframes ks-twinkle {
    0% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

/* Hero 内容 */
.ks-hero__content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.ks-hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--ks-text-white);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.ks-hero__subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--ks-accent);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.ks-hero__desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.ks-hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 向下滚动指示器 */
.ks-hero__scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 2;
}

.ks-hero__scroll-text {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ks-hero__scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 255, 255, 0.4);
    border-bottom: 2px solid rgba(255, 255, 255, 0.4);
    transform: rotate(45deg);
    animation: ks-scroll-bounce 2s ease-in-out infinite;
}

@keyframes ks-scroll-bounce {
    0%, 100% {
        transform: rotate(45deg) translate(0, 0);
        opacity: 0.4;
    }
    50% {
        transform: rotate(45deg) translate(4px, 4px);
        opacity: 1;
    }
}

/* ============================================
   区块3：价值主张
   ============================================ */
.ks-section--value {
    background-color: var(--ks-bg);
}

.ks-value__flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.ks-value__step {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: var(--ks-radius-xl);
    transition: var(--ks-transition);
}

.ks-value__step:hover {
    background-color: var(--ks-bg-light);
    transform: translateY(-4px);
}

.ks-value__step-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.ks-value__step-icon svg {
    transition: var(--ks-transition);
}

.ks-value__step:hover .ks-value__step-icon svg {
    transform: scale(1.1);
}

.ks-value__step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ks-text);
    margin-bottom: 0.75rem;
}

.ks-value__step-desc {
    font-size: 0.9375rem;
    color: var(--ks-text-light);
    line-height: 1.7;
}

/* 连接箭头 */
.ks-value__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 3rem;
    flex-shrink: 0;
}

.ks-value__arrow svg {
    opacity: 0.5;
    transition: var(--ks-transition);
}

.ks-value__arrow:hover svg {
    opacity: 1;
}

/* ============================================
   区块4：业务卡片
   ============================================ */
.ks-section--business {
    background-color: var(--ks-bg-light);
}

.ks-business__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.ks-business__card {
    background-color: var(--ks-bg);
    border-radius: var(--ks-radius-xl);
    padding: 2rem;
    transition: var(--ks-transition);
    border: 1px solid var(--ks-border-light);
    display: flex;
    flex-direction: column;
}

.ks-business__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ks-shadow-xl);
    border-color: transparent;
}

.ks-business__card-icon {
    margin-bottom: 1.5rem;
}

.ks-business__card-icon svg {
    transition: var(--ks-transition);
}

.ks-business__card:hover .ks-business__card-icon svg {
    transform: scale(1.08);
}

.ks-business__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ks-text);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ks-business__card-subtitle {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--ks-text-light);
    letter-spacing: 0.02em;
}

.ks-business__card-desc {
    font-size: 0.9375rem;
    color: var(--ks-text-light);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.ks-business__card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.ks-business__card-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ks-primary);
    background-color: #eff6ff;
    border-radius: 999px;
}

.ks-business__card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ks-primary);
    transition: var(--ks-transition);
}

.ks-business__card-link:hover {
    color: var(--ks-primary-dark);
    gap: 0.625rem;
}

/* ============================================
   区块5：数据看板
   ============================================ */
.ks-section--stats {
    background: var(--ks-gradient-hero);
    padding: 5rem 0;
}

.ks-section--stats .ks-section__title {
    color: var(--ks-text-white);
}

.ks-section--stats .ks-section__desc {
    color: rgba(255, 255, 255, 0.7);
}

.ks-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.ks-stats__item {
    text-align: center;
    padding: 2rem 1rem;
}

.ks-stats__number {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.ks-stats__counter {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--ks-text-white);
    line-height: 1;
    letter-spacing: -0.02em;
}

.ks-stats__suffix {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ks-accent);
}

.ks-stats__label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* ============================================
   区块6：KnowSmart 洞察
   ============================================ */
.ks-section--insights {
    background-color: var(--ks-bg);
}

.ks-insights__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.ks-insights__card {
    background-color: var(--ks-bg);
    border-radius: var(--ks-radius-xl);
    overflow: hidden;
    border: 1px solid var(--ks-border-light);
    transition: var(--ks-transition);
    display: flex;
    flex-direction: column;
}

.ks-insights__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ks-shadow-lg);
    border-color: transparent;
}

.ks-insights__card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.ks-insights__card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ks-insights__card:hover .ks-insights__card-thumb {
    transform: scale(1.05);
}

.ks-insights__card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--ks-primary), var(--ks-primary-dark));
}

.ks-insights__card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ks-insights__card-date {
    font-size: 0.8125rem;
    color: var(--ks-text-lighter);
    margin-bottom: 0.5rem;
}

.ks-insights__card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ks-text);
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.ks-insights__card-title a {
    color: inherit;
    transition: var(--ks-transition);
}

.ks-insights__card-title a:hover {
    color: var(--ks-primary);
}

.ks-insights__card-excerpt {
    font-size: 0.9375rem;
    color: var(--ks-text-light);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.ks-insights__card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ks-primary);
    transition: var(--ks-transition);
}

.ks-insights__card-link:hover {
    color: var(--ks-primary-dark);
    gap: 0.625rem;
}

.ks-insights__more {
    text-align: center;
    margin-top: 3rem;
}

/* ============================================
   区块7：合作伙伴 Logo 墙
   ============================================ */
.ks-section--partners {
    background-color: var(--ks-bg-light);
}

.ks-partners__grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1.5rem;
    align-items: center;
}

.ks-partners__item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border-radius: var(--ks-radius-lg);
    transition: var(--ks-transition);
}

.ks-partners__item:hover {
    background-color: var(--ks-bg);
    box-shadow: var(--ks-shadow-md);
}

.ks-partners__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    transition: var(--ks-transition);
}

.ks-partners__name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ks-text-lighter);
    transition: color 0.3s ease;
}

.ks-partners__en {
    font-size: 0.6875rem;
    color: var(--ks-text-lighter);
    opacity: 0.6;
    transition: color 0.3s ease;
}

/* hover 变彩色 */
.ks-partners__item:hover .ks-partners__name {
    color: var(--ks-primary);
}

.ks-partners__item:hover .ks-partners__en {
    color: var(--ks-primary);
    opacity: 1;
}

/* ============================================
   区块8：CTA 横幅
   ============================================ */
.ks-section--cta {
    background: var(--ks-gradient-cta);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.ks-section--cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.ks-cta__inner {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 640px;
    margin: 0 auto;
}

.ks-cta__title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--ks-text-white);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.ks-cta__desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.ks-cta__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ============================================
   区块9：页脚
   ============================================ */
.ks-footer {
    background-color: var(--ks-dark-bg);
    padding: 4rem 0 0;
}

.ks-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* 品牌列 */
.ks-footer__logo {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.ks-footer__logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ks-text-white);
    line-height: 1.2;
}

.ks-footer__logo-sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
}

.ks-footer__brand-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* 列标题 */
.ks-footer__col-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ks-text-white);
    margin-bottom: 1.25rem;
}

/* 链接列表 */
.ks-footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ks-footer__links li {
    margin-bottom: 0.75rem;
}

.ks-footer__links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--ks-transition);
}

.ks-footer__links a:hover {
    color: var(--ks-text-white);
    padding-left: 4px;
}

/* 联系方式 */
.ks-footer__contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ks-footer__contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

.ks-footer__contact svg {
    flex-shrink: 0;
    color: var(--ks-primary-light);
}

/* 底部版权 */
.ks-footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 0;
}

.ks-footer__copyright {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
}

.ks-footer__icp {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    margin: 0;
}

.ks-footer__icp a {
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    transition: color 0.2s;
}

.ks-footer__icp a:hover {
    color: rgba(255, 255, 255, 0.6);
}

.ks-footer__legal {
    display: flex;
    gap: 1.5rem;
}

.ks-footer__legal a {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
    transition: var(--ks-transition);
}

.ks-footer__legal a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   响应式：平板端（<= 1024px）
   ============================================ */
@media (max-width: 1024px) {
    .ks-business__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ks-partners__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .ks-footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* ============================================
   响应式：移动端（<= 768px）
   ============================================ */
@media (max-width: 768px) {
    :root {
        --ks-section-padding: 3rem 0;
    }

    .ks-container {
        padding: 0 1rem;
    }

    /* 导航栏移动端 */
    .ks-header__nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--ks-dark-bg);
        z-index: 999;
        padding: 5rem 1.5rem 2rem;
        overflow-y: auto;
    }

    .ks-header__nav--open {
        display: block;
    }

    .ks-header__menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .ks-header__menu-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .ks-header__menu-link {
        color: rgba(255, 255, 255, 0.85);
        padding: 1rem 0;
        font-size: 1.0625rem;
    }

    .ks-header__menu-link:hover {
        background-color: transparent;
        color: var(--ks-text-white);
    }

    .ks-header__submenu {
        position: static;
        transform: none;
        background-color: rgba(255, 255, 255, 0.05);
        backdrop-filter: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0.5rem 1rem;
        opacity: 1;
        visibility: visible;
        display: none;
    }

    .ks-header__submenu--open {
        display: block;
    }

    .ks-header__submenu li a {
        padding: 0.75rem 0;
        font-size: 0.9375rem;
    }

    .ks-header__actions {
        display: none;
    }

    .ks-header__hamburger {
        display: flex;
    }

    /* Hero 移动端 */
    .ks-hero__title {
        font-size: 2.25rem;
    }

    .ks-hero__subtitle {
        font-size: 1.125rem;
    }

    .ks-hero__desc {
        font-size: 1rem;
    }

    .ks-hero__actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .ks-hero__actions .ks-btn {
        width: 100%;
    }

    .ks-hero__scroll-indicator {
        display: none;
    }

    /* 区块标题 */
    .ks-section__title {
        font-size: 1.75rem;
    }

    .ks-section__desc {
        font-size: 1rem;
    }

    .ks-section__header {
        margin-bottom: 2.5rem;
    }

    /* 价值主张移动端 */
    .ks-value__flow {
        flex-direction: column;
        align-items: center;
    }

    .ks-value__arrow {
        transform: rotate(90deg);
        padding-top: 0;
    }

    .ks-value__step {
        max-width: 100%;
        padding: 1.5rem 1rem;
    }

    /* 业务卡片移动端 */
    .ks-business__grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .ks-business__card {
        padding: 1.5rem;
    }

    /* 数据看板移动端 */
    .ks-stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .ks-stats__counter {
        font-size: 2.5rem;
    }

    /* 洞察文章移动端 */
    .ks-insights__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* 合作伙伴移动端 */
    .ks-partners__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .ks-partners__name {
        font-size: 1rem;
    }

    /* CTA 移动端 */
    .ks-cta__title {
        font-size: 1.75rem;
    }

    .ks-cta__desc {
        font-size: 1rem;
    }

    .ks-cta__actions {
        flex-direction: column;
    }

    .ks-cta__actions .ks-btn {
        width: 100%;
    }

    /* 页脚移动端 */
    .ks-footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .ks-footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .ks-footer__legal {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

/* ============================================
   响应式：小屏移动端（<= 480px）
   ============================================ */
@media (max-width: 480px) {
    .ks-hero__title {
        font-size: 1.875rem;
    }

    .ks-section__title {
        font-size: 1.5rem;
    }

    .ks-stats__counter {
        font-size: 2rem;
    }

    .ks-stats__suffix {
        font-size: 1rem;
    }

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

    .ks-btn--lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* ============================================
   首页模板特定覆盖（补充规则）
   ============================================ */
/* 确保首页内容区域无多余间距 */
body.ks-homepage .site-content .ast-container {
    max-width: 100%;
    padding: 0;
}

body.ks-homepage .ast-main-content-wrap {
    padding: 0;
}

body.ks-homepage main {
    padding: 0;
}

/* 首页模板：移除 Astra 可能添加的 margin/padding */
body.ks-homepage #content {
    margin: 0 !important;
    padding: 0 !important;
}

body.ks-homepage .ast-page-builder-template .entry-content {
    margin: 0 !important;
    padding: 0 !important;
}

body.ks-homepage .entry-content {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
}

/* 首页模板：确保 Hero 大屏可见且全屏 */
body.ks-homepage .ks-section--hero {
    display: flex !important;
    min-height: 100vh;
    width: 100%;
    visibility: visible !important;
    opacity: 1 !important;
}

/* ============================================
   平滑滚动
   ============================================ */
html {
    scroll-behavior: smooth;
}

/* ============================================
   选择高亮色
   ============================================ */
::selection {
    background-color: var(--ks-primary);
    color: var(--ks-text-white);
}

/* ============================================
   全宽页面模板覆盖（联系我们、产品与解决方案）
   禁用 Astra 容器限制，确保内容全宽纵向排列
   ============================================ */
body.ks-full-width-page {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow-x: hidden;
}

body.ks-full-width-page #page,
body.ks-full-width-page .site,
body.ks-full-width-page #content,
body.ks-full-width-page .site-content,
body.ks-full-width-page .ast-container,
body.ks-full-width-page .content-area,
body.ks-full-width-page .primary,
body.ks-full-width-page .ast-grid-container,
body.ks-full-width-page .ast-article-single,
body.ks-full-width-page .ast-article-post,
body.ks-full-width-page .site-content > .ast-container,
body.ks-full-width-page .ast-main-content-wrap {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
    display: block !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    box-sizing: border-box !important;
}

body.ks-full-width-page .entry-content {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
    flex-direction: column !important;
}

/* 确保这些页面下的 section 全宽且纵向堆叠 */
body.ks-full-width-page .ks-section {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    position: relative;
    flex-shrink: 0;
}

/* 隐藏 Astra 默认标题和面包屑 */
body.ks-full-width-page .entry-header,
body.ks-full-width-page .ast-breadcrumbs,
body.ks-full-width-page .page-title,
body.ks-full-width-page .ast-single-post-title,
body.ks-full-width-page .entry-title {
    display: none !important;
}

/* 确保页脚也全宽 */
body.ks-full-width-page .site-footer,
body.ks-full-width-page .ast-footer,
body.ks-full-width-page .ast-small-footer {
    width: 100% !important;
    max-width: 100% !important;
}

/* 强制所有直接子元素纵向排列 */
body.ks-full-width-page .entry-content > * {
    display: block !important;
    width: 100% !important;
}

/* ============================================
   洞察分类导航标签栏（全局组件）
   ============================================ */
.ks-insights-tabs {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 68px;
    z-index: 100;
}
.ks-insights-tabs__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 0;
    overflow-x: auto;
}
.ks-insights-tabs__item {
    padding: 16px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #6b7280;
    text-decoration: none;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.ks-insights-tabs__item:hover {
    color: #2563EB;
}
.ks-insights-tabs__item--active {
    color: #2563EB;
    border-bottom-color: #2563EB;
}

/* ============================================
   洞察页面 Hero Banner（全局组件）
   ============================================ */
.ks-insights-hero {
    padding: 80px 24px 48px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}
.ks-insights-hero__bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.06) 0%, transparent 60%),
                radial-gradient(circle at 70% 30%, rgba(255,255,255,0.04) 0%, transparent 50%);
}
.ks-insights-hero__icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 12px;
    position: relative;
}
.ks-insights-hero__title {
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 12px;
    position: relative;
}
.ks-insights-hero__desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
}

/* ============================================
   设计规范动画（通用工具类）
   ============================================ */

/* --- 1. 卡片 hover：translateY(-4px) + 阴影加深 --- */
.ks-card-hover {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: var(--ks-shadow-sm);
}

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

/* --- 2. 按钮 hover：背景色变深 + 轻微上浮 --- */
.ks-btn-hover {
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.ks-btn-hover:hover {
    filter: brightness(0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* --- 3. 图片 hover：scale(1.03) --- */
.ks-img-hover {
    overflow: hidden;
    display: block;
}

.ks-img-hover img,
.ks-img-hover > img {
    transition: transform 0.4s ease;
}

.ks-img-hover:hover img,
.ks-img-hover:hover > img {
    transform: scale(1.03);
}

/* --- 4. 导航下划线：width 0 -> 100% --- */
.ks-nav-underline {
    position: relative;
    display: inline-block;
}

.ks-nav-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--ks-primary);
    transition: width 0.25s ease, left 0.25s ease;
}

.ks-nav-underline:hover::after,
.ks-nav-underline--active::after {
    width: 100%;
    left: 0;
}

/* --- 5. 页面加载淡入 --- */
.ks-page-fadein {
    opacity: 0;
    animation: ks-page-fadein 0.3s ease-out forwards;
}

@keyframes ks-page-fadein {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* --- 6. 加载状态：按钮 opacity 0.7 + loading 图标 --- */
.ks-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.ks-loading::after {
    content: '';
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-left: 0.5em;
    border: 2px solid var(--ks-text-white);
    border-right-color: transparent;
    border-radius: 50%;
    animation: ks-loading-spin 0.6s linear infinite;
    vertical-align: middle;
}

/* 针对 outline 按钮的加载图标颜色适配 */
.ks-btn--outline.ks-loading::after,
.ks-btn--outline-white.ks-loading::after {
    border-color: var(--ks-primary);
    border-right-color: transparent;
}

@keyframes ks-loading-spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- 7. 成功状态：绿色消息提示 + 勾选图标 --- */
.ks-alert {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    border-radius: var(--ks-radius);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    animation: ks-page-fadein 0.3s ease-out forwards;
}

.ks-alert--success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.ks-alert--success::before {
    content: '';
    display: inline-block;
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    background-color: #10b981;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-position: center;
}

/* --- 8. 错误状态：红色消息提示 + 警告图标 --- */
.ks-alert--error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.ks-alert--error::before {
    content: '';
    display: inline-block;
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    background-color: #ef4444;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z' clip-rule='evenodd'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z' clip-rule='evenodd'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-position: center;
}

/* ========================================
   P2 响应式移动端适配优化
   ======================================== */

/* 平板端（≤992px） */
@media (max-width: 992px) {
    .ks-section {
        padding: var(--ks-section-padding-mobile);
    }
    .ks-container {
        padding: 0 16px;
    }
    .ks-business__grid,
    .ks-stats__grid,
    .ks-insights__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ks-hero__title {
        font-size: 2.5rem;
    }
    .ks-hero__subtitle {
        font-size: 1.5rem;
    }
    .ks-section__title {
        font-size: 1.75rem;
    }
}

/* 手机端（≤768px） */
@media (max-width: 768px) {
    .ks-container {
        padding: 0 12px;
    }
    .ks-business__grid,
    .ks-stats__grid,
    .ks-insights__grid,
    .ks-partners__grid {
        grid-template-columns: 1fr;
    }
    .ks-hero__title {
        font-size: 1.75rem;
        letter-spacing: 1px;
    }
    .ks-hero__subtitle {
        font-size: 1.15rem;
    }
    .ks-hero__desc {
        font-size: 0.9rem;
    }
    .ks-section__title {
        font-size: 1.5rem;
    }
    .ks-section__desc {
        font-size: 0.9rem;
    }
    .ks-business__card {
        padding: 24px 20px;
    }
    .ks-btn--lg {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
    .ks-hero__actions {
        flex-direction: column;
        gap: 12px;
    }
    .ks-hero__actions .ks-btn {
        width: 100%;
        max-width: 280px;
    }
    .ks-cta__inner {
        padding: 32px 20px;
    }
    .ks-cta__title {
        font-size: 1.5rem;
    }
    .ks-cta__actions {
        flex-direction: column;
        gap: 12px;
    }
    .ks-cta__actions .ks-btn {
        width: 100%;
        max-width: 280px;
    }
    .ks-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .ks-footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .ks-footer__legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    .ks-value__flow {
        flex-direction: column;
    }
    .ks-value__arrow {
        transform: rotate(90deg);
        margin: 8px 0;
    }
}

/* 超小屏（≤480px） */
@media (max-width: 480px) {
    .ks-hero__title {
        font-size: 1.5rem;
    }
    .ks-hero__subtitle {
        font-size: 1rem;
    }
    .ks-business__card-tags {
        flex-wrap: wrap;
    }
    .ks-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}