/* ========================================
   全局通用样式
   ======================================== */

/* --- Hero 区域（通用） --- */
.hero {
    position: relative;
    padding: 80px 24px 90px;
    overflow: hidden;
    min-height: 75vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 30% 50%, rgba(0,212,255,0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 20%, rgba(123,47,247,0.06) 0%, transparent 60%);
}
.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-content h1 {
    font-size: clamp(2rem, 2.5vw, 2.4rem);
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 0 25px rgba(0,212,255,0.3);
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 460px;
}
.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* --- Hero 右侧卡片（通用） --- */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.hero-card {
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    width: 100%;
    max-width: 440px;
    position: relative;
}
.hero-card .card-badge {
    display: inline-block;
    background: rgba(0,212,255,0.15);
    color: var(--primary);
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
    border: 1px solid rgba(0,212,255,0.3);
}
.hero-card h3 {
    color: var(--white);
    margin-bottom: 8px;
    font-size: 1.2rem;
}
.hero-card .card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-card .card-features span {
    font-size: 0.78rem;
    color: var(--text-lighter);
    background: rgba(255,255,255,0.04);
    padding: 5px 12px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.08);
}

/* --- 浮动标签（通用） --- */
.floating-badge {
    position: absolute;
    background: rgba(15,25,45,0.8);
    backdrop-filter: blur(16px);
    border-radius: 50px;
    padding: 10px 20px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.5), 0 0 20px rgba(0,212,255,0.2);
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(0,212,255,0.3);
    z-index: 3;
    animation: floatUpDown 4s ease-in-out infinite;
}
.floating-badge.fb1 {
    top: -12px;
    right: -20px;
    animation-delay: 0s;
}
.floating-badge.fb2 {
    bottom: -35px;
    left: 95px;
    animation-delay: 2s;
}
.floating-badge .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 12px #22c55e;
    animation: pulse-dot 1.8s infinite;
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}
@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.8); }
    50% { box-shadow: 0 0 0 14px rgba(34,197,94,0); }
}

/* --- 理由卡片（左右布局）--- */
.reason-card {
    display: flex;
    gap: 18px;
    padding: 24px;
    align-items: flex-start;
}
.reason-card .reason-icon {
    font-size: 2.2rem;
    flex-shrink: 0;
    width: 55px;
    text-align: center;
}
.reason-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}
.reason-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* --- 平台卡片 --- */
.platform-card {
    padding: 22px 16px;
    text-align: center;
}
.platform-card .pf-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
    display: block;
}
.platform-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}
.platform-card p {
    font-size: 0.8rem;
    color: var(--text-lighter);
}

/* --- 服务卡片（通用）--- */
.service-card {
    padding: 28px 22px;
    text-align: center;
}
.service-card .svc-icon,
.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
}
.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}
.service-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* --- 优势卡片（通用）--- */
.advantage-card {
    padding: 26px 20px;
    text-align: center;
}
.advantage-card .adv-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: block;
}
.advantage-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}
.advantage-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* --- 价格卡片（通用）--- */
        .price-card{padding:24px 18px;text-align:center;position:relative;overflow:hidden}
        .price-card.popular{border-color:var(--primary);box-shadow:0 0 25px rgba(0,212,255,0.15)}
        .price-card .popular-tag{position:absolute;top:12px;right:-30px;background:var(--primary);color:var(--bg);font-size:0.7rem;font-weight:700;padding:4px 35px;transform:rotate(45deg)}
        .price-card .price{font-size:2rem;font-weight:800;color:var(--white);margin:10px 0}
        .price-card .price span{font-size:0.85rem;color:var(--text-lighter)}
        .price-card h3{font-size:1.1rem;font-weight:700;color:var(--white);margin-bottom:6px}
        .price-card p{font-size:0.8rem;color:var(--text-light);margin-bottom:10px}
        .price-card ul{list-style:none;padding:0;margin:12px 0;text-align:left}
        .price-card ul li{padding:3px 0;font-size:0.78rem;color:var(--text-light)}
        .price-card ul li:before{content:'✓ ';color:var(--primary);font-weight:700}

/* --- 行业卡片（通用）--- */
.industry-card {
    padding: 22px 16px;
    text-align: center;
}
.industry-card .ind-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
    display: block;
}
.industry-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}
.industry-card p {
    font-size: 0.78rem;
    color: var(--text-lighter);
}

/* --- 步骤卡片（通用）--- */
.step-card {
    padding: 24px 18px;
    text-align: center;
}
.step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.2rem;
}
.step-card h4 {
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
    font-size: 1rem;
}
.step-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* --- FAQ 折叠（通用）--- */
.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0,212,255,0.15);
}
.faq-question {
    padding: 18px 22px;
    font-weight: 600;
    color: var(--white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
    font-size: 1rem;
}
.faq-question:hover {
    background: rgba(0,212,255,0.05);
}
.faq-icon {
    font-size: 1.3rem;
    color: var(--primary);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 14px;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s;
    padding: 0 22px;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.9rem;
    text-align: left;
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 22px 18px;
}

/* --- 知识卡片（通用）--- */
.knowledge-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    transition: var(--transition);
    border-radius: var(--radius);
    overflow: hidden;
}
.knowledge-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 12px 25px rgba(0,0,0,0.4);
}
.knowledge-img {
    height: 130px;
    overflow: hidden;
}
.knowledge-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}
.knowledge-card:hover .knowledge-img img {
    transform: scale(1.05);
}
.knowledge-info {
    padding: 14px;
}
.knowledge-info h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
    line-height: 1.4;
}
.knowledge-info p {
    font-size: 0.75rem;
    color: var(--text-lighter);
}

/* --- CTA 行动号召区（通用）--- */
.cta-section {
    background: linear-gradient(135deg, rgba(10,15,30,0.9), rgba(30,40,70,0.9));
    text-align: center;
    padding: 70px 24px;
    border-top: 1px solid rgba(0,212,255,0.2);
    border-bottom: 1px solid rgba(0,212,255,0.2);
}
.cta-section .section-title {
    color: #fff;
}
.cta-section .section-desc {
    color: rgba(255,255,255,0.75);
    margin-bottom: 30px;
}

/* --- 高亮框（通用）--- */
.highlight-box {
    background: var(--glass-bg);
    border: 1px solid var(--primary);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 30px 28px;
    margin-top: 20px;
    text-align: center;
}
.highlight-box h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.highlight-box p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   各页面特有样式
   ======================================== */

/* --- 建站页面特有 --- */
/* Hero 建站特有 */
.hero .hero-content {
    padding-right: 20px;
}
.hero .hero-card .card-stats {
    display: flex;
    gap: 24px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero .hero-card .stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero .hero-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-lighter);
}
.floating-badge.fb2--建站 {
    bottom: -35px;
    left: 70px;
}

/* 痛点卡片（建站） */
.pain-card {
    display: flex;
    gap: 16px;
    padding: 22px;
    align-items: flex-start;
}
.pain-card .pain-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 50px;
    text-align: center;
}
.pain-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}
.pain-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 价值卡片（建站） */
.value-card {
    padding: 24px;
    text-align: center;
}
.value-card .value-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
}
.value-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}
.value-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 建站知识卡片高度微调 */
.knowledge-img--建站 {
    height: 140px;
}
.knowledge-info--建站 p {
    margin-bottom: 6px;
}

/* --- SEO 页面特有 --- */
.detail-card {
    padding: 24px 20px;
    text-align: center;
}
.detail-card .dt-icon {
    font-size: 2.3rem;
    margin-bottom: 10px;
    display: block;
}
.detail-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}
.detail-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* --- 托管页面特有 --- */
.include-card {
    padding: 28px 22px;
    text-align: center;
}
.include-card .inc-icon {
    font-size: 2.8rem;
    margin-bottom: 14px;
    display: block;
}
.include-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}
.include-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 托管价格卡片价格放大 */
.price-card--托管 .price {
    font-size: 2.5rem;
}
.price-card--托管 .price span {
    font-size: 1rem;
}
.price-card--托管 ul li {
    padding: 4px 0;
    font-size: 0.83rem;
}

/* --- 谷歌外链页面特有 --- */
.link-type-card {
    padding: 24px 18px;
    text-align: center;
}
.link-type-card .lt-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: block;
}
.link-type-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}
.link-type-card p {
    font-size: 0.83rem;
    color: var(--text-light);
    line-height: 1.5;
}

.lang-tag {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    color: var(--text-light);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
    white-space: nowrap;
}
.lang-tag:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(0,212,255,0.08);
}

/* ========================================
   响应式（统一）
   ======================================== */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .hero-content {
        text-align: center;
    }
    .hero-content p {
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        justify-content: center;
        order: -1;
    }
    .hero-card {
        max-width: 400px;
    }
    .floating-badge {
        display: none;
    }

    /* 网格通用 */
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 24px 70px;
        min-height: auto;
    }

    /* 网格通用 */
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .grid-6 {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .grid-5 {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }

    /* 移动端强制双列（各页面通用） */
    .points-grid,
    .advantages-grid,
    .process-grid,
    .services-grid,
    .detail-grid,
    .link-types-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 14px;
    }

    /* 价格卡片移动端强化 */
    .price-card {
        border-width: 2px;
        border-color: rgba(0,212,255,0.35);
        box-shadow: 0 0 15px rgba(0,212,255,0.1);
    }
    .price-card.popular {
        border-width: 2.5px;
        border-color: var(--primary);
        box-shadow: 0 0 25px rgba(0,212,255,0.25);
    }

    /* 建站 - 痛点卡片移动端居中 */
    .pain-card {
        flex-direction: column;
        text-align: center;
    }
    .pain-card .pain-icon {
        margin: 0 auto;
    }

    /* 谷歌外链 - 语言标签 */
    .lang-tag {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
}
        .point-card{padding:26px 20px;text-align:center}
        .point-card .pt-icon{font-size:2.3rem;margin-bottom:10px;display:block}
        .point-card h3{font-size:1.05rem;font-weight:700;color:var(--white);margin-bottom:6px}
        .point-card p{font-size:0.85rem;color:var(--text-light);line-height:1.5}
.knowledge-info h4 a {
    color: white;
    text-decoration: none;
}