@charset "utf-8";
/*
    Theme Name: rochat AI官网
    Theme URI: 
    Author: 阿叶
    Author URI: 
    Description:
    Version: 0.0.1
*/

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #ffffff;
    color: #1a1a2e;
    overflow-x: hidden;
    line-height: 1.6;
}
a,a:hover {
    text-decoration: none;
}

/* ========== 导航 ========== */
.ro-dh {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 70px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(114, 98, 246, 0.15);
}

.ro-dh-nr {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ro-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.ro-logo-tb {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}
.ro-logo-tb img {
    width: 100%;
    height: 100%;
    border-radius: 6px;
}

.ro-logo-wz {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.5px;
}

.ro-logo-wz span {
    color: #7262f6;
}

.ro-dhl {
    display: flex;
    gap: 2.5rem;
}

.ro-dhl a {
    color: #555555;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.ro-dhl a:hover {
    color: #7262f6;
}

.ro-dhl a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #7262f6;
    transition: width 0.3s;
}

.ro-dhl a:hover::after {
    width: 100%;
}

.ro-dh-an {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.ro-an {
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.ro-an-wx {
    background: transparent;
    border: 1px solid rgba(114, 98, 246, 0.3);
    color: #7262f6;
}

.ro-an-wx:hover {
    border-color: #7262f6;
    color: #7262f6;
}

.ro-an-zy {
    background: #7262f6;
    color: white;
    box-shadow: 0 4px 15px rgba(114, 98, 246, 0.25);
}

.ro-an-zy:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(114, 98, 246, 0.25);
}

.ro-cd-kg {
    display: none;
    background: none;
    border: none;
    color: #1a1a2e;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========== 首页 ========== */
.ro-sy {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 2rem 60px;
    position: relative;
    overflow: hidden;
}

.ro-sy-bj {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ro-sy-bj::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(114, 98, 246, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    opacity: 0.5;
}

.ro-sy-bj::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(114, 98, 246, 0.25) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
}

.ro-sy-nr {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.ro-sy-bq {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(114, 98, 246, 0.08);
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    color: #7262f6;
    margin-bottom: 1.5rem;
}

.ro-sy-bq::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #7262f6;
    border-radius: 50%;
    animation: ms 2s infinite;
}

@keyframes ms {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.ro-sy h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.ro-sy h1 .ro-jb-wz {
    background: linear-gradient(135deg, #7262f6 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ro-sy-ms {
    font-size: 1.1rem;
    color: #555555;
    margin-bottom: 2rem;
    max-width: 480px;
    line-height: 1.8;
}

.ro-sy-an {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.ro-sy-an-zy {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #7262f6;
    color: white;
    box-shadow: 0 4px 20px rgba(114, 98, 246, 0.25);
}

.ro-sy-an-zy:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(114, 98, 246, 0.25);
}

.ro-sy-an-cy {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid rgba(114, 98, 246, 0.3);
    background: #f8f7ff;
    color: #7262f6;
    text-decoration: none;
}

.ro-sy-an-cy:hover {
    border-color: #7262f6;
    color: #7262f6;
}

.ro-sy-tj {
    display: flex;
    gap: 3rem;
}

.ro-tj {
    display: flex;
    flex-direction: column;
}

.ro-tj-hm {
    font-size: 2rem;
    font-weight: 800;
    color: #7262f6;
    line-height: 1;
}

.ro-tj-bq {
    font-size: 0.85rem;
    color: #888888;
    margin-top: 0.3rem;
}

.ro-sy-sj {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ro-sy-kp {
    background: #f8f7ff;
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 24px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    position: relative;
}

.ro-sy-kp-bt {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(114, 98, 246, 0.15);
}

.ro-sy-tx {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #7262f6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.ro-sy-kp-xx h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.ro-sy-kp-xx span {
    font-size: 0.8rem;
    color: #888888;
}

.ro-lt-qp {
    background: #f0eeff;
    border-radius: 16px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    position: relative;
}

.ro-lt-qp.ai {
    background: rgba(114, 98, 246, 0.08);
    border: 1px solid rgba(114, 98, 246, 0.15);
}

.ro-lt-qp.ss::after {
    content: '...';
    animation: ss 1.5s infinite;
}

@keyframes ss {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.ro-fd-bq {
    position: absolute;
    background: #ffffff;
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    animation: fd 3s ease-in-out infinite;
}

.ro-fd-bq.wz-1 {
    top: -20px;
    right: -30px;
    animation-delay: 0s;
}

.ro-fd-bq.wz-2 {
    bottom: 40px;
    left: -40px;
    animation-delay: 1s;
}

@keyframes fd {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========== 通用板块标题 ========== */
.ro-bk-bt {
    text-align: center;
    margin: 0 auto 4rem;
}

.ro-bk-bq {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(114, 98, 246, 0.08);
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    color: #7262f6;
    margin-bottom: 1rem;
}

.ro-bk-bt h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.ro-bk-ms {
    color: #555555;
    font-size: 1.05rem;
}

/* ========== 功能 ========== */
.ro-gn {
    padding: 100px 2rem;
}

.ro-gn-wg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.ro-gn-xm {
    background: #f8f7ff;
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.ro-gn-xm::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7262f6, #a78bfa, transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.ro-gn-xm:hover {
    border-color: #7262f6;
    transform: translateY(-5px);
}

.ro-gn-xm:hover::before {
    opacity: 1;
}

.ro-gn-tb {
    width: 60px;
    height: 60px;
    background: #7262f6;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}
.ro-gn-tb i {
    color: #fff;
}
.ro-gn-xm h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.ro-gn-xm p {
    color: #555555;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========== 使用指南 ========== */
.ro-syzn {
    padding: 100px 2rem;
    background: #f8f7ff;
}

.ro-bz {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.ro-bz::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #7262f6, #a78bfa, transparent);
    opacity: 0.3;
}

.ro-bz-xm {
    text-align: center;
    position: relative;
    z-index: 1;
}

.ro-bz-hm {
    width: 80px;
    height: 80px;
    background: #ffffff;
    border: 2px solid rgba(114, 98, 246, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: #7262f6;
    margin: 0 auto 1.5rem;
    position: relative;
}

.ro-bz-xm h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.ro-bz-xm p {
    color: #555555;
    font-size: 0.95rem;
}

/* ========== 产品展示 ========== */
.ro-cp {
    padding: 60px 2rem;
}

.ro-cp-wg {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.ro-cp-tp {
    border-radius: 16px;
    overflow: hidden;
}

.ro-cp-tp img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}

.ro-cp-tp:hover img {
    transform: scale(1.05);
}

/* ========== FAQ ========== */
.ro-faq {
    padding: 100px 2rem;
}

.ro-faq-lb {
    max-width: 800px;
    margin: 0 auto;
}

.ro-faq-xm {
    background: #f8f7ff;
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.ro-faq-xm:hover {
    border-color: rgba(114, 98, 246, 0.3);
}

.ro-faq-xm.ro-active {
    border-color: #7262f6;
}

.ro-faq-wt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    gap: 1rem;
}

.ro-faq-wt-l {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ro-faq-wt-l i {
    font-size: 1.2rem;
    color: #7262f6;
}

.ro-faq-wt-l h4 {
    font-size: 1rem;
    font-weight: 600;
}

.ro-faq-jt {
    width: 32px;
    height: 32px;
    background: rgba(114, 98, 246, 0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.ro-faq-jt i {
    font-size: 1.2rem;
    color: #7262f6;
    transition: transform 0.3s ease;
}

.ro-faq-xm.ro-active .ro-faq-jt {
    background: #7262f6;
}

.ro-faq-xm.ro-active .ro-faq-jt i {
    color: white;
    transform: rotate(180deg);
}

.ro-faq-da {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.ro-faq-da-nr {
    padding: 0 1.5rem 1.25rem 3.5rem;
    color: #555555;
    font-size: 0.95rem;
    line-height: 1.7;
}

.ro-faq-xm.ro-active .ro-faq-da {
    max-height: 300px;
}

/* ========== 用户评论 ========== */
.ro-pl {
    padding: 100px 2rem;
}

.ro-pl-wg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.ro-pl-kp {
    background: #f8f7ff;
    border: 1px solid rgba(114, 98, 246, 0.15);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s;
}

.ro-pl-kp:hover {
    border-color: #7262f6;
    transform: translateY(-5px);
}

.ro-pl-xx {
    color: #7262f6;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.ro-pl-wz {
    color: #555555;
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.ro-pl-zz {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.ro-pl-tx {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #7262f6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.ro-pl-zz-xx h4 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.ro-pl-zz-xx span {
    font-size: 0.8rem;
    color: #888888;
}

/* ========== 号召 ========== */
.ro-hhd {
    padding: 100px 2rem;
    position: relative;
    overflow: hidden;
}

.ro-hhd::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(114, 98, 246, 0.1) 0%, rgba(114, 98, 246, 0.15) 30%, transparent 70%);
    opacity: 0.3;
}

.ro-hhd-nr {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.ro-hhd h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.ro-hhd p {
    color: #555555;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.ro-hhd-an {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== 底部 ========== */
.ro-db {
    padding: 30px 2rem;
    border-top: 1px solid rgba(114, 98, 246, 0.15);
}

.ro-db-nr {
    max-width: 1200px;
    margin: 0 auto;
}

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

.ro-db-bq {
    color: #888888;
    font-size: 0.85rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .ro-sy-nr {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .ro-sy-ms {
        margin-left: auto;
        margin-right: auto;
    }

    .ro-sy-an {
        justify-content: center;
    }

    .ro-sy-tj {
        justify-content: center;
    }

    .ro-sy-sj {
        order: -1;
    }

    .ro-cp-wg {
        grid-template-columns: repeat(2, 1fr);
    }

    .ro-gn-wg {
        grid-template-columns: repeat(2, 1fr);
    }

    .ro-pl-wg {
        grid-template-columns: repeat(2, 1fr);
    }

    .ro-bz {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .ro-bz::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .ro-dh {
        padding: 0 1rem;
    }

    .ro-dhl {
        display: none;
    }

    .ro-dh-an .ro-an {
        display: none;
    }

    .ro-cd-kg {
        display: block;
    }

    .ro-sy {
        padding: 90px 1rem 40px;
    }

    .ro-sy-sj {
        display: none;
    }

    .ro-sy-an {
        flex-direction: column;
    }

    .ro-sy-an-zy,
    .ro-sy-an-cy {
        width: 100%;
        justify-content: center;
    }

    .ro-gn-wg,
    .ro-pl-wg {
        grid-template-columns: 1fr;
    }
    .ro-cp-wg {
        grid-template-columns: repeat(2, 1fr)     
    }
    .ro-cp,
    .ro-gn,
    .ro-syzn,
    .ro-faq,
    .ro-pl,
    .ro-hhd {
        padding: 60px 1rem;
    }

    .ro-db-dibu {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}