/* ========== 全局重置与变量 ========== */
:root {
    --primary-blue: #2b6ef0;   /* 原红色 #ef443b 改为蓝色 */
    --text-main: #1f2937;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}
body {
    color: var(--text-main);
    background: #ffffff;
    line-height: 1.5;
    overflow-x: hidden;
}

/* ========== 导航栏 ========== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    height: 80px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: radial-gradient(circle at 10% 20%, rgba(43, 110, 240, 0.03) 0%, rgba(255, 255, 255, 1) 50%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #f3f4f6;
}
.nav-left {
    display: flex;
    align-items: center;
}
.logo {
    margin-right: 40px;
}
.logo img {
    height: 30px;
    width: 158px;
}
.nav-links {
    display: flex;
    list-style: none;
}
.nav-links li {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
    margin: 0 15px;
    border-bottom: 3px solid transparent;
}
.nav-links li:hover {
    border-bottom: 3px solid #D6E4FF; /* 淡蓝色下划线 */
}
.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
}
.nav-links-svg {
    width: 12px;
    height: 12px;
}
.nav-right {
    display: flex;
    align-items: center;
}
.btn-link {
    text-decoration: none;
    color: var(--primary-blue);
    padding: 10px 24px;
    border: 2px solid var(--primary-blue);
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    margin-left: 12px;
    transition: 0.3s;
}
.btn-link:hover {
    background: var(--primary-blue);
    color: #fff;
}
.btn-outline {
    text-decoration: none;
    color: #fff;
    background: var(--primary-blue);
    padding: 11px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: 0.3s;
}
.btn-outline:hover {
    background: #1e5acf;
}

/* ========== 首屏英雄区 ========== */
.hero {
    padding: 180px 8% 100px;
    display: flex;
    background: radial-gradient(circle at 10% 20%, rgba(43, 110, 240, 0.03) 0%, rgba(255, 255, 255, 1) 50%);
    min-height: 85vh;
    align-items: center;
}
.hero-text {
    flex: 1;
    padding-right: 40px;
}
.hero-text h1 {
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 5rem;
    display: flex;
    align-items: center;
    margin-bottom: 0;
}
.hero-text h1 span {
    background: -webkit-linear-gradient(45deg, #2b6ef0, #5b8af7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-text p {
    font-size: 1.3rem;
    line-height: 1.6;
    color: #000;
    font-weight: 700;
    margin-bottom: 40px;
    max-width: 520px;
}
.hero-text-div {
    font-size: 5rem;
    line-height: 1.1;
    font-weight: 300;
    margin-bottom: 24px;
}
.cta-group {
    display: flex;
    gap: 16px;
}
.btn-hero-main {
    background: var(--primary-blue);
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 10px 25px rgba(43, 110, 240, 0.25);
    transition: 0.3s;
}
.btn-hero-main:hover {
    background: #1e5acf;
    box-shadow: 0 12px 28px rgba(43, 110, 240, 0.35);
}
.btn-hero-sec {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: 0.3s;
}
.btn-hero-sec:hover {
    background: var(--primary-blue);
    color: #fff;
}
.hero-figure {
    flex: 1;
    position: relative;
}
.hero-figure img {
    width: 20rem;
    height: auto;
    background: #f9fafb;
    border-radius: 20px;
    object-fit: contain;
    margin-left: 100px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.05);
}

/* ========== 功能展示区 ========== */
.feature-split {
    padding: 120px 0 0 8%;
}
.feature-split-div {
    display: flex;
    align-items: center;
    background-image: url(../img/what-is-new-v9.png);
    background-repeat: no-repeat;
    background-size: cover;
}
.feature-text {
    flex: 1;
    padding-bottom: 8%;
}
.feature-tag {
    font-size: 1.3rem;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}
.feature-tag img {
    width: 50px;
    height: 50px;
}
.feature-text h2 {
    font-size: 5rem;
    font-weight: 300;
    margin-bottom: 24px;
}
.feature-text h2 span {
    font-size: 5rem;
    line-height: 1.1;
    font-weight: 700;
    background: -webkit-linear-gradient(45deg, #2b6ef0, #5b8af7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.feature-text p {
    font-family: "Noto Sans", "Noto Sans SC", Calibri, Arial, sans-serif;
    font-size: 1rem;
    color: #000;
    font-weight: 300;
    margin-bottom: 35px;
    line-height: 1.8;
}
.feature-text p span {
    color: #000;
    font-weight: 700;
}
.btn-more {
    display: inline-block;
    background: var(--primary-blue);
    color: #fff;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}
.btn-more:hover {
    background: #1e5acf;
}
.feature-visual {
    flex: 1;
    position: relative;
}
.feature-visual img {
    display: none;
    width: 100%;
    height: 400px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-radius: 12px;
}

/* ========== 信任区 ========== */
.trust-section {
    padding: 80px 8%;
    text-align: center;
    background: #fff;
}
.trust-section h2 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 20px;
}
.trust-section h2 span {
    color: var(--primary-blue);
    font-weight: 700;
}
.trust-subtitle {
    color: #4b5563;
    font-size: 1.1rem;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.logo-wall {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}
.logo-wall img {
    height: 60px;
    transition: 0.3s;
}
.logo-wall img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ========== 配置器区 ========== */
.configurator-section {
    margin: 60px 8%;
    background: linear-gradient(90deg, #2b6ef0 0%, #5b8af7 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    padding: 60px;
    color: #fff;
    overflow: hidden;
}
.config-visual {
    flex: 1;
}
.config-visual img {
    width: 110%;
    transform: perspective(1000px) rotateY(-15deg);
}
.config-text {
    flex: 1;
    padding-left: 50px;
}
.config-text h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 400;
    line-height: 1.2;
}
.config-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    font-weight: 500;
}
.usage-icons {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}
.usage-item {
    text-align: center;
    font-size: 0.9rem;
}
.usage-item i {
    display: block;
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.usage-item img {
    width: 30px;
    height: 30px;
    filter: brightness(0) invert(1);
}
.btn-white {
    background: #fff;
    color: var(--primary-blue);
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: 0.3s;
}
.btn-white:hover {
    background: #f1f1f1;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* ========== 需求区 ========== */
.needs-section {
    padding: 100px 8%;
    text-align: center;
    background: #f9fafb;
}
.needs-section h2 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.needs-section h2 span {
    background: -webkit-linear-gradient(45deg, #2b6ef0, #5b8af7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.needs-subtitle {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 80px;
}
.needs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.need-card {
    background: #fff;
    padding: 40px 25px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.02);
    transition: 0.3s;
}
.need-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 35px rgba(43, 110, 240, 0.08);
}
.need-card img {
    width: 80px;
    height: 80px;
    margin-bottom: 25px;
}
.need-card h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 400;
}
.need-card p {
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 20px;
    padding: 0 20px;
}
.need-card a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 4px;
    transition: 0.2s;
}
.need-card a:hover {
    color: #1e5acf;
    border-bottom-color: #1e5acf;
}

/* ========== 创意定价版块 ========== */
.pricing-section {
    padding: 100px 8%;
    background: #fff;
    text-align: center;
}
.pricing-header {
    max-width: 700px;
    margin: 0 auto 70px;
}
.pricing-header h2 {
    font-size: 3.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.pricing-header h2 span {
    background: -webkit-linear-gradient(45deg, #2b6ef0, #5b8af7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.pricing-subtitle {
    font-size: 1.1rem;
    color: #4b5563;
    line-height: 1.8;
    font-weight: 400;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
    margin-bottom: 40px;
}
.pricing-card {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 20px;
    padding: 40px 25px;
    display: flex;
    flex-direction: column;
    transition: 0.3s;
    position: relative;
}
.pricing-card:hover {
    box-shadow: 0 25px 50px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}
.pricing-card-recommend {
    border: 2px solid var(--primary-blue);
    box-shadow: 0 15px 35px rgba(43, 110, 240, 0.12);
}
.pricing-ribbon {
    position: absolute;
    top: -13px;
    right: -13px;
    background: var(--primary-blue);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(43, 110, 240, 0.3);
    letter-spacing: 0.5px;
}
.pricing-card-top {
    margin-bottom: 30px;
}
.pricing-badge {
    display: inline-block;
    background: #eef3ff;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 5px 18px;
    border-radius: 20px;
    margin-bottom: 20px;
}
.pricing-badge-hot {
    background: #fff;
    color: var(--primary-blue);
}
.pricing-icon-wrap {
    margin: 25px 0;
}
.pricing-icon {
    width: 48px;
    height: 48px;
}
.pricing-icon-wrap-hot .pricing-icon {
    filter: drop-shadow(0 4px 10px rgba(255,255,255,0.5));
}
.pricing-price {
    font-size: 3.2rem;
    font-weight: 700;
    color: #1f2937;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 12px;
}
.pricing-currency {
    font-size: 1.5rem;
    font-weight: 600;
}
.pricing-amount {
    font-size: 3.8rem;
    line-height: 1;
}
.pricing-period {
    font-size: 1rem;
    color: #6b7280;
    font-weight: 400;
    margin-left: 4px;
}
.pricing-desc {
    color: #6b7280;
    font-size: 0.95rem;
    font-weight: 400;
    max-width: 220px;
    margin: 0 auto;
}
.pricing-features {
    list-style: none;
    text-align: left;
    margin: 25px 0 35px;
    flex: 1;
}
.pricing-features li {
    padding: 8px 0;
    border-bottom: 1px dashed #f0f0f0;
    font-size: 0.95rem;
    color: #374151;
    display: flex;
    align-items: center;
    gap: 8px;
}
.pricing-features li::before {
    content: "✓";
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1rem;
}
.pricing-btn-outline {
    display: block;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 14px 0;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
    text-align: center;
    margin-top: auto;
}
.pricing-btn-outline:hover {
    background: var(--primary-blue);
    color: #fff;
}
.pricing-btn-solid {
    display: block;
    background: var(--primary-blue);
    color: #fff;
    padding: 14px 0;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
    text-align: center;
    margin-top: auto;
    box-shadow: 0 8px 20px rgba(43, 110, 240, 0.25);
}
.pricing-btn-solid:hover {
    background: #1e5acf;
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(43, 110, 240, 0.35);
}
.pricing-footnote {
    font-size: 0.9rem;
    color: #9ca3af;
    margin-top: 10px;
}

/* ========== 创意亮点版块：DeskRT 技术揭秘 ========== */
.highlight-section {
    padding: 100px 8%;
    background: #f8faff;
}
.highlight-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}
.highlight-text {
    flex: 1;
}
.highlight-text h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.3;
}
.highlight-text h2 span {
    background: -webkit-linear-gradient(45deg, #2b6ef0, #5b8af7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.highlight-text p {
    font-size: 1.05rem;
    color: #374151;
    line-height: 1.8;
    margin-bottom: 35px;
}
.highlight-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}
.stat-item {
    text-align: center;
}
.stat-num {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}
.stat-num span {
    font-size: 1.2rem;
    font-weight: 500;
    color: #6b7280;
}
.stat-label {
    font-size: 0.95rem;
    color: #6b7280;
    margin-top: 5px;
    display: block;
}
.highlight-visual {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}
.highlight-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.03);
    transition: 0.3s;
    border-left: 4px solid var(--primary-blue);
}
.highlight-card:hover {
    transform: translateX(5px);
    box-shadow: 0 15px 30px rgba(43, 110, 240, 0.08);
}
.highlight-card-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}
.highlight-card h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 600;
}
.highlight-card p {
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== 页脚 ========== */
footer {
    background: #111111;
    color: #ffffff;
    padding: 80px 8% 40px;
    font-family: 'Noto Sans', sans-serif;
}
.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-logo-section img {
    height: 35px;
    margin-bottom: 20px;
}
.footer-logo-section p {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}
.footer-tagline {
    color: #777 !important;
    font-size: 13px !important;
}
.footer-column h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}
.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #333;
}
.footer-column ul {
    list-style: none;
}
.footer-column ul li {
    margin-bottom: 12px;
}
.footer-column ul li a {
    color: #cccccc;
    text-decoration: none;
    font-size: 14px;
    transition: 0.3s;
}
.footer-column ul li a:hover {
    color: var(--primary-blue);
}
.footer-bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid #222;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #666;
}
.footer-socials {
    display: flex;
    gap: 20px;
}
.footer-socials a {
    color: #666;
    text-decoration: none;
    transition: 0.3s;
}
.footer-socials a:hover {
    color: #fff;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1100px) {
    nav {
        padding: 0 4%;
    }
    .hero,
    .feature-split {
        flex-direction: column;
        text-align: center;
        padding: 140px 5% 60px;
    }
    .hero-text {
        padding-right: 0;
        margin-bottom: 60px;
    }
    .cta-group {
        justify-content: center;
    }
    .hero-figure img {
        margin-left: 0;
        width: 90%;
    }
    .feature-text {
        order: 1;
    }
    .feature-visual {
        order: 2;
        width: 100%;
    }
    .feature-visual img {
        display: block;
    }
    .feature-split-div {
        display: flex;
        flex-direction: column;
        background: none;
    }
    .highlight-inner {
        flex-direction: column;
    }
}

@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    .footer-logo-section {
        grid-column: span 2;
        text-align: center;
        margin-bottom: 40px;
    }
    .configurator-section {
        flex-direction: column;
        padding: 40px;
        text-align: center;
    }
    .config-text {
        padding-left: 0;
        margin-top: 40px;
    }
    .usage-icons {
        justify-content: center;
        flex-wrap: wrap;
    }
    .needs-grid {
        grid-template-columns: 1fr;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .hero-text h1,
    .hero-text-div {
        font-size: 3.2rem;
    }
    .feature-text h2,
    .feature-text h2 span {
        font-size: 3.2rem;
    }
    .trust-section h2 {
        font-size: 2.2rem;
    }
    .config-text h2 {
        font-size: 2rem;
    }
    .needs-section h2 {
        font-size: 2.5rem;
    }
    .pricing-header h2 {
        font-size: 2.5rem;
    }
    .highlight-text h2 {
        font-size: 2.2rem;
    }
    .highlight-stats {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}