/* =========================================================
   AI GEO优化专题页 独立样式 (geo.css)
   明亮浅紫配色：轻盈通透 · AI科技感 · 避免大面积深色
   ========================================================= */

/* ---------- 通用 ---------- */
.geo-section { padding: 90px 0; }
.geo-alt { background: #f6f3ff; }          /* 淡紫分节背景 */
.geo-sec-header { text-align: center; margin-bottom: 56px; }
.geo-sec-header-sub { margin: 64px 0 40px; }
.geo-cases-title { font-size: 1.5rem; font-weight: 800; color: var(--text-dark); }

[data-animate] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}
[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 按钮（本页统一紫色系） ---------- */
.geo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-weight: 700;
    letter-spacing: .02em;
    border-radius: var(--r-md);
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.geo-btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    color: #fff;
    border: 1px solid transparent;
    box-shadow: 0 10px 24px rgba(124,58,237,.28);
}
.geo-btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(124,58,237,.36);
}
.geo-btn-outline {
    background: rgba(255,255,255,.85);
    color: #6d28d9;
    border: 1.5px solid #d8b4fe;
    box-shadow: 0 8px 20px rgba(124,58,237,.12);
}
.geo-btn-outline:hover {
    color: #5b21b6;
    background: #fff;
    border-color: #a855f7;
    transform: translateY(-2px);
}

/* =========================================================
   Hero —— 明亮浅紫，避免大面积深色
   ========================================================= */
.geo-hero {
    position: relative;
    padding: 148px 0 0;
    color: #312e81;
    overflow: hidden;
    background:
        radial-gradient(1100px 520px at 88% -12%, rgba(196,181,253,.5), rgba(196,181,253,0) 62%),
        radial-gradient(900px 460px at -8% 115%, rgba(191,219,254,.65), rgba(191,219,254,0) 58%),
        radial-gradient(760px 380px at 52% 128%, rgba(240,171,252,.4), rgba(240,171,252,0) 60%),
        linear-gradient(180deg, #fbfaff 0%, #f4f0ff 100%);
}
.geo-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.geo-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .38;
}
.geo-shape-1 { width: 420px; height: 420px; top: -120px; left: -100px; background: #ddd6fe; }
.geo-shape-2 { width: 340px; height: 340px; top: 40px; right: -90px; background: #c7d2fe; }
.geo-shape-3 { width: 260px; height: 260px; bottom: 30px; left: 38%; background: #fbcfe8; }

.geo-hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: center;
    padding-bottom: 56px;
}
.geo-hero-tag {
    display: inline-block;
    background: rgba(124,58,237,.08);
    border: 1px solid rgba(124,58,237,.22);
    color: #6d28d9;
    font-size: .9rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 30px;
    margin-bottom: 22px;
    letter-spacing: .03em;
}
.geo-hero-hot {
    display: inline-block;
    background: #f59e0b;
    color: #451a03;
    font-size: .72rem;
    font-weight: 800;
    padding: 1px 10px;
    border-radius: 12px;
    margin-left: 6px;
    vertical-align: 2px;
}
.geo-hero-title {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -.02em;
    color: #2e1065;
    margin-bottom: 16px;
}
.geo-hero-highlight {
    background: linear-gradient(90deg, #7c3aed 0%, #c026d3 55%, #db2777 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.geo-hero-desc {
    font-size: 1.05rem;
    line-height: 1.95;
    color: #6b21a8;
    opacity: .82;
    margin-bottom: 28px;
}
.geo-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.geo-hero-points { display: flex; flex-wrap: wrap; gap: 18px; font-size: .92rem; color: #7c3aed; font-weight: 600; }
.geo-hero-points span { display: inline-flex; align-items: center; gap: 6px; }

/* AI 问答引用示意卡 —— 仿真实浅色 AI 对话界面 */
.geo-ai-card {
    background: #fff;
    border: 1px solid #ece7fd;
    border-radius: var(--r-lg);
    box-shadow: 0 26px 60px rgba(109,40,217,.16);
    overflow: hidden;
}
.geo-ai-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: #f4efff;
    border-bottom: 1px solid #ece7fd;
}
.geo-ai-logo {
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    color: #fff;
    border-radius: 8px;
    font-size: .72rem;
    font-weight: 800;
}
.geo-ai-name { font-size: .85rem; font-weight: 700; color: #4c1d95; flex-grow: 1; }
.geo-ai-status { font-size: .72rem; color: #16a34a; font-weight: 700; }
.geo-ai-q {
    margin: 16px 18px 12px;
    font-size: .88rem;
    color: #4b5563;
    padding: 10px 14px;
    background: #f1f0f7;
    border-radius: 12px 12px 12px 4px;
}
.geo-ai-user {
    display: inline-block;
    font-size: .75rem;
    font-weight: 800;
    color: #7c3aed;
    letter-spacing: .04em;
    margin: 4px 0 8px;
}
.geo-ai-a { padding: 0 18px; }
.geo-ai-a p {
    font-size: .95rem;
    line-height: 1.9;
    color: #374151;
    margin-bottom: 10px;
}
.geo-ai-a mark {
    background: #f3e8ff;
    color: #6d28d9;
    border-radius: 4px;
    padding: 0 3px;
    font-weight: 800;
}
.geo-ai-cite {
    font-size: .78rem;
    color: #8b5cf6;
    border-top: 1px dashed #ddd6fe;
    padding: 10px 0;
}
.geo-ai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 18px;
    background: #faf9ff;
    border-top: 1px solid #f1edff;
}
.geo-ai-tags span {
    font-size: .76rem;
    font-weight: 700;
    color: #6d28d9;
    background: #f3e8ff;
    border: 1px solid #e9d5ff;
    padding: 3px 10px;
    border-radius: 16px;
}

/* Hero 底部数据条 —— 白底浅紫卡片 */
.geo-hero-stats {
    position: relative;
    padding: 22px 0 26px;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.72) 100%);
    border-top: 1px solid rgba(196,181,253,.35);
}
.geo-hero-stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.geo-stat {
    background: rgba(255,255,255,.9);
    border: 1px solid #ede7fd;
    border-radius: var(--r-md);
    padding: 18px 10px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(109,40,217,.08);
}
.geo-stat-num {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.25;
    background: linear-gradient(135deg, #6d28d9, #c026d3);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.geo-stat-label { font-size: .86rem; color: #6b7280; margin-top: 2px; }

/* =========================================================
   为什么要做 GEO
   ========================================================= */
.geo-compare {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: stretch;
    max-width: 1000px;
    margin: 0 auto 46px;
}
.geo-compare-card {
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-lg);
    padding: 30px 28px;
    box-shadow: 0 6px 18px rgba(109,40,217,.06);
}
.geo-compare-new { border-top: 4px solid #a855f7; }
.geo-compare-old { border-top: 4px solid #cbd5e1; }
.geo-compare-ico { font-size: 2.2rem; margin-bottom: 14px; }
.geo-compare-card h3 { font-size: 1.15rem; font-weight: 800; color: var(--text-dark); margin-bottom: 14px; }
.geo-compare-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.geo-compare-card li {
    font-size: .93rem;
    color: #6b7280;
    line-height: 1.7;
    padding-left: 22px;
    position: relative;
}
.geo-compare-old li::before { content: "✗"; position: absolute; left: 0; color: #9ca3af; }
.geo-compare-new li::before { content: "✓"; position: absolute; left: 0; color: #a855f7; font-weight: 800; }
.geo-compare-vs {
    align-self: center;
    background: linear-gradient(135deg, #7c3aed, #c026d3);
    color: #fff;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 10px 22px rgba(124,58,237,.28);
}
.geo-platforms {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}
.geo-platform-title { display: block; font-size: .95rem; font-weight: 700; color: #4c1d95; margin-bottom: 16px; }
.geo-platform-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.geo-platform-chips span {
    background: #fff;
    border: 1px solid #e6dfff;
    color: #6d28d9;
    font-weight: 700;
    font-size: .92rem;
    padding: 8px 20px;
    border-radius: 30px;
    transition: all .25s ease;
}
.geo-platform-chips span:hover {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(124,58,237,.26);
}

/* =========================================================
   核心服务
   ========================================================= */
.geo-feat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.geo-feat-card {
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-lg);
    padding: 30px 24px;
    transition: transform .35s ease, box-shadow .35s ease;
}
.geo-feat-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(109,40,217,.12); }
.geo-feat-main {
    border-top: 4px solid #a855f7;
    background:
        radial-gradient(circle at 100% 0%, rgba(168,85,247,.1), transparent 55%),
        #fff;
}
.geo-feat-icon { font-size: 2.4rem; margin-bottom: 16px; }
.geo-feat-ico {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    background: #f3e8ff;
    border-radius: 14px;
    margin-bottom: 16px;
}
.geo-feat-card h3 { font-size: 1.15rem; font-weight: 700; color: #2e1065; margin-bottom: 10px; line-height: 1.5; }
.geo-feat-card p { font-size: .92rem; line-height: 1.8; color: #6b7280; }
.geo-feat-tag {
    display: inline-block;
    margin-top: 16px;
    font-size: .78rem;
    font-weight: 700;
    color: #7c3aed;
    background: #f5edff;
    padding: 3px 12px;
    border-radius: 20px;
}

/* =========================================================
   服务流程
   ========================================================= */
.geo-process {
    display: flex;
    align-items: stretch;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}
.geo-step {
    position: relative;
    flex: 1;
    min-width: 200px;
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-lg);
    padding: 32px 22px 26px;
    text-align: center;
    transition: transform .35s ease, box-shadow .35s ease;
}
.geo-step:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(109,40,217,.1); }
.geo-step-num {
    position: absolute;
    top: 14px; right: 16px;
    font-size: 1.4rem;
    font-weight: 800;
    color: #ede9fe;
}
.geo-step-ico {
    width: 60px; height: 60px;
    margin: 0 auto 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.7rem;
    background: linear-gradient(135deg, #f3e8ff, #f5f3ff);
    border-radius: 50%;
}
.geo-step h3 { font-size: 1.08rem; font-weight: 800; color: #2e1065; margin-bottom: 8px; }
.geo-step p { font-size: .88rem; line-height: 1.8; color: #6b7280; }
.geo-step-arrow {
    align-self: center;
    font-size: 1.5rem;
    color: #c4b5fd;
    font-weight: 800;
}

/* =========================================================
   效果数据 + 案例
   ========================================================= */
.geo-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}
.geo-metric {
    text-align: center;
    background: linear-gradient(180deg, #ffffff, #f4efff);
    border: 1px solid #e6dfff;
    border-radius: var(--r-lg);
    padding: 30px 16px;
    box-shadow: 0 8px 22px rgba(109,40,217,.08);
}
.geo-metric-num {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #6d28d9, #c026d3);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.geo-metric-label { font-size: .9rem; color: #6b7280; }

.geo-case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.geo-case-card {
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-lg);
    padding: 24px 22px;
    transition: transform .35s ease, box-shadow .35s ease;
}
.geo-case-card:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(109,40,217,.1); }
.geo-case-type {
    display: inline-block;
    font-size: .76rem;
    font-weight: 800;
    color: #7c3aed;
    background: #f3e8ff;
    padding: 2px 12px;
    border-radius: 14px;
    margin-bottom: 12px;
}
.geo-case-card h3 { font-size: 1.06rem; font-weight: 800; color: #2e1065; margin-bottom: 8px; }
.geo-case-card p { font-size: .86rem; line-height: 1.85; color: #6b7280; margin-bottom: 14px; }
.geo-case-bars { height: 8px; background: #f1f5f9; border-radius: 10px; overflow: hidden; }
.geo-case-bars span {
    display: block;
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, #8b5cf6, #d946ef);
}
.geo-cases-note { text-align: center; margin-top: 26px; font-size: .88rem; color: #6b7280; }
.geo-cases-note a { color: #7c3aed; font-weight: 700; }

/* =========================================================
   适合谁
   ========================================================= */
.geo-scene-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.geo-scene-card {
    text-align: center;
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-lg);
    padding: 32px 22px;
    transition: transform .35s ease, box-shadow .35s ease;
}
.geo-scene-card:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(109,40,217,.1); }
.geo-scene-ico {
    width: 62px; height: 62px;
    margin: 0 auto 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    background: #f5edff;
    border-radius: 50%;
}
.geo-scene-card h3 { font-size: 1.1rem; font-weight: 700; color: #2e1065; margin-bottom: 10px; }
.geo-scene-card p { font-size: .92rem; line-height: 1.8; color: #6b7280; }

/* =========================================================
   GEO 资讯
   ========================================================= */
.geo-news-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 900px;
    margin: 0 auto;
}
.geo-news-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-md);
    padding: 16px 22px;
    transition: box-shadow .3s ease, transform .3s ease;
}
.geo-news-card:hover { box-shadow: 0 12px 26px rgba(109,40,217,.1); transform: translateX(6px); }
.geo-news-date {
    flex-shrink: 0;
    width: 58px; height: 58px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: #f3e8ff;
    border-radius: var(--r-md);
}
.geo-news-date b { font-size: 1.25rem; font-weight: 800; color: #7c3aed; line-height: 1.1; }
.geo-news-date span { font-size: .75rem; color: #8b5cf6; }
.geo-news-card h3 { font-size: 1.02rem; font-weight: 700; color: #2e1065; margin-bottom: 4px; transition: color .25s; }
.geo-news-card:hover h3 { color: #7c3aed; }
.geo-news-card p { font-size: .86rem; color: #6b7280; }

/* =========================================================
   FAQ
   ========================================================= */
.geo-faq { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.geo-faq-item {
    background: #fff;
    border: 1px solid #e9e4f8;
    border-radius: var(--r-md);
    overflow: hidden;
    transition: box-shadow .3s ease;
}
.geo-faq-item.open { box-shadow: 0 12px 26px rgba(109,40,217,.1); border-color: #d8b4fe; }
.geo-faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    background: none;
    border: none;
    padding: 20px 22px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #2e1065;
    text-align: left;
    cursor: pointer;
}
.geo-faq-arrow { font-size: .85rem; color: #a78bfa; transition: transform .3s ease; flex-shrink: 0; }
.geo-faq-item.open .geo-faq-arrow { transform: rotate(180deg); color: #7c3aed; }
.geo-faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.geo-faq-a p { padding: 0 22px 20px; font-size: .93rem; line-height: 1.85; color: #6b7280; }

/* =========================================================
   联系 / CTA —— 中等亮度紫渐变，视觉聚焦但不压抑
   ========================================================= */
.geo-contact {
    background:
        radial-gradient(800px 400px at 90% -20%, rgba(216,180,254,.4), rgba(216,180,254,0) 60%),
        linear-gradient(135deg, #5b21b6 0%, #7c3aed 55%, #9333ea 100%);
    padding: 90px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.geo-contact-inner {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 60px;
    align-items: center;
    position: relative;
}
.geo-contact-tag {
    display: inline-block;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.3);
    font-size: .8rem; font-weight: 700;
    padding: 5px 16px;
    border-radius: 20px;
    letter-spacing: .05em;
    margin-bottom: 18px;
}
.geo-contact-left h2 { font-size: 2rem; font-weight: 800; line-height: 1.35; margin-bottom: 16px; }
.geo-contact-left > p { font-size: 1.02rem; line-height: 1.9; color: rgba(255,255,255,.85); margin-bottom: 26px; }
.geo-contact-left > p b { color: #fcd34d; }
.geo-contact-list { display: flex; flex-direction: column; gap: 14px; }
.geo-contact-list li { display: flex; align-items: center; gap: 10px; font-size: 1rem; color: rgba(255,255,255,.95); }
.geo-contact-list li span { font-size: 1.15rem; }
.geo-contact-list li b { color: #fff; }

.geo-contact-form-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 36px 34px 30px;
    box-shadow: 0 24px 60px rgba(46,16,101,.3);
}
.geo-form { display: flex; flex-direction: column; gap: 18px; }
.geo-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.geo-form label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: #2e1065;
    margin-bottom: 6px;
}
.geo-form input,
.geo-form select,
.geo-form textarea {
    width: 100%;
    font-family: inherit;
    font-size: .93rem;
    color: var(--text-dark);
    border: 1px solid #e5e0f5;
    border-radius: var(--r-md);
    padding: 12px 14px;
    transition: border-color .25s ease, box-shadow .25s ease;
    background: #fff;
}
.geo-form textarea { resize: vertical; min-height: 84px; }
.geo-form input:focus,
.geo-form select:focus,
.geo-form textarea:focus {
    outline: none;
    border-color: #a78bfa;
    box-shadow: 0 0 0 3px rgba(124,58,237,.12);
}
.geo-form-submit { width: 100%; margin-top: 4px; cursor: pointer; }
.geo-form-note { font-size: .78rem; color: #9ca3af; text-align: center; }

.geo-form-success { text-align: center; padding: 20px 10px; }
.geo-form-success-icon {
    width: 68px; height: 68px;
    margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center;
    background: #dcfce7;
    color: #16a34a;
    font-size: 1.8rem;
    border-radius: 50%;
}
.geo-form-success h3 { font-size: 1.4rem; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.geo-form-success p { font-size: .93rem; color: #6b7280; line-height: 1.8; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
    .geo-feat-grid { grid-template-columns: repeat(2, 1fr); }
    .geo-scene-grid { grid-template-columns: repeat(2, 1fr); }
    .geo-case-grid { grid-template-columns: repeat(2, 1fr); }
    .geo-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .geo-hero-inner { grid-template-columns: 1fr; gap: 44px; }
    .geo-hero-title { font-size: 2.1rem; }
    .geo-contact-inner { grid-template-columns: 1fr; gap: 44px; }
    .geo-compare { grid-template-columns: 1fr; }
    .geo-compare-vs { transform: rotate(90deg); margin: 0 auto; }
}

@media (max-width: 768px) {
    .geo-section { padding: 64px 0; }
    .geo-hero { padding: 120px 0 0; }
    .geo-hero-stats-inner { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .geo-process { flex-direction: column; }
    .geo-step-arrow { transform: rotate(90deg); }
}

@media (max-width: 560px) {
    .geo-feat-grid { grid-template-columns: 1fr; }
    .geo-scene-grid { grid-template-columns: 1fr; }
    .geo-case-grid { grid-template-columns: 1fr; }
    .geo-metrics { grid-template-columns: 1fr; }
    .geo-form-row { grid-template-columns: 1fr; }
    .geo-contact-form-card { padding: 28px 20px 24px; }
}