/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #333;
    background: #fff;
    padding-top: 56px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 56px;
    background: #fff;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
    z-index: 1030;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo img {
    height: 32px;
    width: auto;
}

.header-logo span {
    font-size: 18px;
    font-weight: 600;
    color: #1a73e8;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 100%;
}

/* 导航项（简单链接） */
.nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    border-radius: 3px;
}

.nav-link:hover {
    color: #1a73e8;
}

/* ===== Mega Menu 按钮 ===== */
.nav-mega-btn {
    color: #333;
    font-weight: 500;
    font-size: 14px;
    padding: 6px 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
    position: relative;
    height: 100%;
}

.nav-mega-btn:hover,
.nav-mega-btn.active {
    color: #1a73e8;
}

.nav-mega-btn .arrow-icon {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.nav-mega-btn.active .arrow-icon {
    transform: rotate(180deg);
}

/* ===== Mega Panel 面板 ===== */
.mega-panel {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100vw;
    background: #fff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    z-index: 1031;
    overflow: hidden;
    transform: translateY(-20px);
    opacity: 0;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.2s ease;
    pointer-events: none;
}

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

.mega-panel.closing {
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
}

.mega-panel-inner {
    padding: 2rem 0;
}

.mega-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

.mega-row {
    display: flex;
    gap: 40px;
}

/* 左侧介绍卡片 */
.mega-intro-col {
    flex: 0 0 280px;
}

.mega-intro-card {
    background: linear-gradient(135deg, #1a73e8 0%, #4a9af5 100%);
    color: #fff;
    border-radius: 3px;
    padding: 1.5rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.mega-intro-card h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mega-intro-card p {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.7;
}

/* 右侧链接列表 */
.mega-links-col {
    flex: 1;
    min-width: 0;
}

.mega-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.mega-list-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #1a73e8;
    padding-bottom: 0.4rem;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid #1a73e8;
    display: inline-block;
}

.mega-item {
    display: block;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: #333;
    transition: color 0.15s, background 0.15s;
    border-radius: 3px;
    margin-bottom: 2px;
}

.mega-item:hover {
    color: #1a73e8;
    background: rgba(26, 115, 232, 0.04);
}

.mega-item .item-name {
    font-size: 0.9rem;
    font-weight: 500;
    display: block;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mega-item .item-desc {
    font-size: 0.78rem;
    color: #999;
    display: block;
    margin-top: 2px;
    padding-left: 22px;
}

.mega-item:hover .item-desc {
    color: #6ea8fe;
}

/* ===== 移动端汉堡按钮 ===== */
.hamburger {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 70px);
    background: #fff;
    z-index: 1029;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.mobile-nav-item {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}

.mobile-nav-header:hover {
    background: #f8f9fa;
}

.mobile-nav-header .chevron {
    transition: transform 0.3s ease;
    font-size: 12px;
    color: #999;
}

.mobile-nav-header.expanded .chevron {
    transform: rotate(180deg);
}

.mobile-nav-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #fafbfc;
}

.mobile-nav-body.expanded {
    max-height: 500px;
    overflow-y: auto;
}

.mobile-sub-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: #1a73e8;
    padding: 0.6rem 1.25rem 0.3rem;
}

.mobile-sub-link {
    display: block;
    padding: 0.6rem 1.25rem 0.6rem 1.75rem;
    color: #555;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s, background 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-sub-link:hover {
    color: #1a73e8;
    background: rgba(26, 115, 232, 0.03);
}

/* ===== Hero Section ===== */
.hero {
    display: flex;
    align-items: center;
    min-height: calc(100vh - 70px);
    padding: 0 60px;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding-left: 60px;
}

.hero-content h2 {
    font-size: 52px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-content h4 {
    font-size: 22px;
    font-weight: 400;
    color: #666;
    margin-bottom: 32px;
    line-height: 1.5;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 36px;
    background: #1a73e8;
    color: #fff;
    border-radius: 3px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #1557b0;
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.3);
}

.btn-secondary {
    display: inline-block;
    padding: 14px 36px;
    background: #f5f7fa;
    color: #333;
    border-radius: 3px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #e8ecf1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.hero-image img {
    max-width: 85%;
    height: auto;
    border-radius: 3px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* ===== Section Common ===== */
.section {
    padding: 100px 60px;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #888;
    margin-bottom: 60px;
}

/* ===== Features Section ===== */
.features {
    background: #f9fafb;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #fff;
    border-radius: 3px;
    padding: 40px 28px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #e8f0fe;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #1a73e8;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a2e;
}

.feature-card p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* ===== Showcase Section ===== */
.showcase {
    background: #fff;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto 100px;
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-item.reverse {
    flex-direction: row-reverse;
}

.showcase-text {
    flex: 1;
    padding: 0 20px;
}

.showcase-text h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 16px;
}

.showcase-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.showcase-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.showcase-image img {
    max-width: 100%;
    height: auto;
    border-radius: 3px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* ===== Extra Section ===== */
.extra {
    background: linear-gradient(135deg, #f9fafb 0%, #e8f0fe 100%);
    text-align: center;
}

.extra-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto 48px;
}

.extra-card {
    background: #fff;
    border-radius: 3px;
    padding: 28px 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s;
}

.extra-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.extra-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: #1a73e8;
}

.extra-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.extra-card p {
    font-size: 13px;
    color: #888;
}

.free-badge {
    display: inline-block;
    padding: 12px 40px;
    background: #fff;
    border: 2px solid #1a73e8;
    border-radius: 3px;
    color: #1a73e8;
    font-size: 18px;
    font-weight: 600;
}

/* ===== Footer ===== */
.footer {
    background: #fff;
    color: #666;
    padding: 60px 60px 0;
    border-top: 1px solid #eee;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 40px;
}

.footer-brand img {
    height: 48px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
    max-width: 280px;
}

.footer-col h4 {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #666;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #1a73e8;
}

.footer-bottom {
    border-top: 1px solid #eee;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #999;
}

.footer-bottom a {
    color: #999;
    transition: color 0.2s;
}

.footer-bottom a:hover {
    color: #1a73e8;
}

/* ===== Download Page ===== */
.dl-container {
    max-width: 1140px;
    margin: 0;
    padding: 0 60px;
}

.dl-hero {
    padding: 60px 0 40px;
    background: #fff;
}

.dl-breadcrumb {
    font-size: 13px;
    color: #999;
    margin-bottom: 20px;
}

.dl-breadcrumb a {
    color: #1a73e8;
}

.dl-breadcrumb a:hover {
    text-decoration: underline;
}

.dl-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.dl-desc {
    font-size: 16px;
    color: #888;
    line-height: 1.6;
}

.dl-main {
    padding: 0 0 80px;
}

.dl-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.dl-left {
    flex: 0 0 400px;
}

.dl-right {
    flex: 1;
    min-width: 0;
}

.dl-card {
    background: #fff;
    border: 1px solid #e8ecf0;
    border-radius: 3px;
    overflow: hidden;
}

.dl-card-header {
    padding: 16px 24px;
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    background: #f8f9fb;
    border-bottom: 1px solid #e8ecf0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dl-card-body {
    padding: 24px;
}

.dl-version-select label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 6px;
}

/* ===== 自定义下拉菜单 ===== */
.dl-custom-select {
    position: relative;
    user-select: none;
}

.dl-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 14px;
    color: #333;
    border: 1px solid #d0d5dd;
    border-radius: 3px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.2s;
}

.dl-select-trigger:hover {
    border-color: #1a73e8;
}

.dl-select-trigger .bi-chevron-down {
    font-size: 14px;
    color: #999;
    transition: transform 0.3s ease;
}

.dl-custom-select.open .dl-select-trigger .bi-chevron-down {
    transform: rotate(180deg);
}

.dl-custom-select.open .dl-select-trigger {
    border-color: #1a73e8;
}

.dl-select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: 3px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    list-style: none;
    padding: 4px 0;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.dl-custom-select.open .dl-select-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dl-select-dropdown li {
    padding: 8px 14px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.dl-select-dropdown li:hover {
    background: #f0f4ff;
    color: #1a73e8;
}

.dl-select-dropdown li.selected {
    color: #1a73e8;
    font-weight: 600;
    background: #eef2ff;
}

.dl-os-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 14px;
    color: #555;
    padding: 10px 14px;
    background: #f5f7fa;
    border-radius: 3px;
}

.dl-os-info .bi-windows {
    color: #1a73e8;
    font-size: 18px;
}

.dl-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 24px;
    margin-top: 16px;
    background: #1a73e8;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 3px;
    transition: background 0.2s;
}

.dl-btn:hover {
    background: #1557b0;
    color: #fff;
}

.dl-meta {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: #888;
}

.dl-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dl-meta strong {
    color: #333;
}

.dl-changelog ul {
    list-style: disc;
    padding-left: 20px;
}

.dl-changelog ul li {
    font-size: 14px;
    color: #444;
    line-height: 1.8;
    padding: 2px 0;
}

/* ===== Timeline ===== */
.dl-timeline {
    padding: 60px 0 80px;
    background: #f9fafb;
}

.dl-section-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 40px;
}

.tl-wrap {
    position: relative;
    padding-left: 40px;
}

.tl-wrap::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: #d0d5dd;
}

.tl-item {
    position: relative;
    padding-bottom: 36px;
}

.tl-item:last-child {
    padding-bottom: 0;
}

.tl-dot {
    position: absolute;
    left: -29px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #d0d5dd;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #d0d5dd;
    z-index: 1;
}

.tl-item.active .tl-dot {
    background: #1a73e8;
    box-shadow: 0 0 0 2px #1a73e8;
}

.tl-line {
    display: none;
}

.tl-card {
    background: #fff;
    border: 1px solid #e8ecf0;
    border-radius: 3px;
    padding: 20px 24px;
}

.tl-ver {
    font-size: 18px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 4px;
}

.tl-date {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.tl-card ul {
    list-style: disc;
    padding-left: 20px;
}

.tl-card ul li {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
}

/* ===== Download Page Responsive ===== */
@media (max-width: 1024px) {
    .dl-layout {
        flex-direction: column;
    }

    .dl-left {
        flex: none;
        width: 100%;
        max-width: 480px;
    }

    .dl-container {
        padding: 0 30px;
    }
}

@media (max-width: 768px) {
    .dl-container {
        padding: 0 20px;
    }

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

    .dl-hero {
        padding: 40px 0 24px;
    }

    .dl-left {
        max-width: 100%;
    }

    .dl-timeline {
        padding: 40px 0 60px;
    }

    .dl-section-title {
        font-size: 22px;
    }

    .tl-wrap {
        padding-left: 32px;
    }

    .tl-dot {
        left: -25px;
        width: 12px;
        height: 12px;
    }

    .tl-card {
        padding: 16px 18px;
    }
}

/* ===== Feature Pages (终端管理 / 远程桌面 / AI Agent etc.) ===== */
.page-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 60px;
}

.page-hero {
    padding: 50px 0 30px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
}

.page-breadcrumb {
    font-size: 13px;
    color: #999;
    margin-bottom: 16px;
}

.page-breadcrumb a {
    color: #1a73e8;
}

.page-breadcrumb a:hover {
    text-decoration: underline;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.page-desc {
    font-size: 15px;
    color: #888;
    line-height: 1.6;
    max-width: 600px;
}

.page-detail {
    padding: 50px 0 70px;
}

.pd-layout {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 50px;
}

.pd-layout.reverse {
    flex-direction: row-reverse;
}

.pd-text {
    flex: 1;
}

.pd-text h2 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 24px 0 8px;
}

.pd-text h2:first-child {
    margin-top: 0;
}

.pd-text p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

.pd-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.pd-image img {
    max-width: 100%;
    height: auto;
    border-radius: 3px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.pd-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 10px;
}

.pdi-card {
    background: #f8f9fb;
    border: 1px solid #e8ecf0;
    border-radius: 3px;
    padding: 24px 20px;
    text-align: center;
}

.pdi-card i {
    font-size: 28px;
    color: #1a73e8;
    margin-bottom: 12px;
    display: block;
}

.pdi-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 6px;
}

.pdi-card p {
    font-size: 13px;
    color: #888;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #e8ecf0;
    border-radius: 3px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 500;
    color: #1a1a2e;
    cursor: pointer;
    background: #fff;
    transition: background 0.2s;
    user-select: none;
}

.faq-q:hover {
    background: #f8f9fb;
}

.faq-q i {
    font-size: 14px;
    color: #999;
    transition: transform 0.3s ease;
}

.faq-item.open .faq-q i {
    transform: rotate(180deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 20px;
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    background: #fafbfc;
}

.faq-item.open .faq-a {
    max-height: 300px;
    padding: 16px 20px;
}

/* ===== Feature Pages Responsive ===== */
@media (max-width: 1024px) {
    .pd-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-container {
        padding: 0 20px;
    }

    .page-title {
        font-size: 24px;
    }

    .pd-layout,
    .pd-layout.reverse {
        flex-direction: column;
        gap: 30px;
    }

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

/* ===== About Page ===== */
.about-extra {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 50px 0;
}

.about-extra-card {
    background: #f8f9fb;
    border: 1px solid #e8ecf0;
    border-radius: 3px;
    padding: 36px 24px;
    text-align: center;
}

.about-extra-card i {
    font-size: 36px;
    color: #1a73e8;
    margin-bottom: 16px;
    display: block;
}

.about-extra-card h4 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.about-extra-card p {
    font-size: 14px;
    color: #888;
}

.about-contact {
    margin-top: 10px;
}

.about-contact h2 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
}

.about-contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.about-contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: #f8f9fb;
    border: 1px solid #e8ecf0;
    border-radius: 3px;
}

.about-contact-item i {
    font-size: 24px;
    color: #1a73e8;
    flex-shrink: 0;
}

.about-contact-item div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.about-contact-item strong {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
}

.about-contact-item span,
.about-contact-item a {
    font-size: 14px;
    color: #555;
}

.about-contact-item a:hover {
    color: #1a73e8;
}

@media (max-width: 768px) {
    .about-extra {
        grid-template-columns: 1fr;
    }

    .about-contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Pricing Page ===== */
.pricing-grid {
    display: grid;
    gap: 32px;
    margin: 0 auto;
}

.pricing-grid-4 {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1100px;
}

.pricing-card {
    background: #fff;
    border: 1px solid #e8ecf0;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.pricing-featured {
    border-color: #1a73e8;
    box-shadow: 0 4px 24px rgba(26, 115, 232, 0.12);
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: #1a73e8;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 3px;
}

.pricing-header {
    padding: 32px 28px 20px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.pricing-price {
    margin-bottom: 12px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.pricing-price .price {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1;
}

.pricing-price .period {
    font-size: 14px;
    color: #999;
}

.pricing-desc {
    font-size: 13px;
    color: #888;
    line-height: 1.5;
}

.pricing-body {
    padding: 0 28px 20px;
    flex: 1;
}

.pricing-body ul {
    list-style: none;
}

.pricing-body ul li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
    padding: 7px 0;
    border-bottom: 1px solid #f0f0f0;
}

.pricing-body ul li:last-child {
    border-bottom: none;
}

.pricing-body ul li i {
    color: #1a73e8;
    font-size: 16px;
    flex-shrink: 0;
}

.pricing-footer {
    padding: 0 28px 32px;
}

.pricing-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 24px;
    background: #1a73e8;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 3px;
    transition: background 0.2s;
}

.pricing-btn:hover {
    background: #1557b0;
    color: #fff;
}

.pricing-btn-outline {
    background: transparent;
    border: 2px solid #1a73e8;
    color: #1a73e8;
}

.pricing-btn-outline:hover {
    background: #1a73e8;
    color: #fff;
}

/* ===== Pricing Comparison Table ===== */
.pricing-table-wrap {
    max-width: 860px;
    margin: 60px auto 0;
}

.pricing-compare-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
    text-align: center;
}

.pricing-table {
    overflow-x: auto;
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.pricing-table thead th {
    background: #f8f9fb;
    color: #1a1a2e;
    font-weight: 600;
    padding: 12px 20px;
    text-align: left;
    border-bottom: 2px solid #e8ecf0;
}

.pricing-table thead th:first-child {
    width: 50%;
}

.pricing-table thead th + th,
.pricing-table thead th + th + th {
    text-align: center;
    width: 25%;
}

.pricing-table tbody td {
    padding: 10px 20px;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

.pricing-table tbody td + td,
.pricing-table tbody td + td + td {
    text-align: center;
}

.pricing-table tbody tr:hover {
    background: #fafbfc;
}

.pricing-table .text-primary {
    color: #1a73e8;
}

.pricing-table .pricing-na {
    color: #ccc;
}

/* ===== Pricing Responsive ===== */
@media (max-width: 1024px) {
    .pricing-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px;
    }

    .pricing-table-wrap {
        margin-top: 50px;
    }
}

@media (max-width: 768px) {
    .pricing-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        max-width: 480px;
    }

    .pricing-table-wrap {
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    .pricing-grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .mega-container {
        padding: 0 30px;
    }

    .mega-intro-col {
        flex: 0 0 220px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 20px;
    }

    .hamburger {
        display: block;
    }

    .header-nav {
        display: none;
    }

    .hero {
        flex-direction: column;
        padding: 60px 20px;
        min-height: auto;
        text-align: center;
    }

    .hero-content {
        padding-left: 0;
        max-width: 100%;
    }

    .hero-content h2 {
        font-size: 36px;
    }

    .hero-content h4 {
        font-size: 18px;
    }

    .hero-btns {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-image {
        margin-top: 40px;
        justify-content: center;
    }

    .hero-image img {
        max-width: 100%;
    }

    .section {
        padding: 60px 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .showcase-item,
    .showcase-item.reverse {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
        text-align: center;
    }

    .showcase-text {
        padding: 0;
    }

    .showcase-text h3 {
        font-size: 22px;
    }

    .extra-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content h4 {
        font-size: 16px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 28px;
        font-size: 14px;
    }

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