/* ============================================================
   contact.css — Contact Us 落地页专用样式（一次性页面）
   决策树第 ⑥ 条：一次性页面独创区块 → 进该类型 css
   ============================================================ */

/* ---------- Hero：全幅背景 + 左文右浮动卡 ---------- */
.contact-hero {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background: var(--bg);
}
.contact-hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}
.contact-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.contact-hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(15, 18, 20, 0.94) 0%, rgba(15, 18, 20, 0.82) 45%, rgba(15, 18, 20, 0.55) 100%),
        linear-gradient(0deg, var(--bg) 0%, rgba(15, 18, 20, 0) 30%);
}
.contact-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    min-height: min(78vh, 720px);
    padding: 5rem 0;
}

/* 浮动速览卡（Hero 右侧） */
.quick-card {
    position: relative;
    background: rgba(23, 28, 31, 0.88);
    backdrop-filter: blur(12px);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 2rem 1.8rem;
    overflow: hidden;
}
.quick-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent 70%);
}
.quick-card-title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.2rem;
}
.quick-card-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.9rem;
    color: var(--paper-soft);
}
.quick-card-row:last-child { border-bottom: 0; }
.quick-card-row .qc-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.9rem;
    flex-shrink: 0;
}
.quick-card-row strong { color: var(--paper); font-weight: 600; }

/* ---------- 解决方案入口：2×2 大卡片网格 ---------- */
.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem;
}
.solution-card {
    display: flex;
    flex-direction: column;
    background: var(--ink-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: var(--paper);
    transition: border-color 0.25s ease;
}
/* 卡片改为卖点展示（非链接）：仅保留描边反馈，去掉上浮/投影等可点击暗示 */
.solution-card:hover {
    border-color: var(--line-strong);
}
.solution-card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--ink-3);
}
.solution-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.solution-card-body {
    padding: 1.3rem 1.4rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}
.solution-card-body h3 {
    font-size: 1.05rem;
    margin: 0;
    line-height: 1.4;
    font-weight: 700;
}
.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.solution-tags span {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    font-size: 0.72rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}
.solution-card-note {
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--muted);
    margin: 0;
}

/* ---------- 方案共性卖点条 + Hub 入口（替代已下线的详情页链接） ---------- */
.solution-includes {
    margin-top: 1.6rem;
    padding: 1.5rem 1.7rem;
    background: var(--ink-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.solution-includes .si-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1rem;
}
.solution-includes .si-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}
.solution-includes .si-items span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-size: 0.83rem;
    color: var(--paper-soft);
}
.solution-includes .si-items span::before {
    content: "\2713";
    color: var(--accent);
    font-weight: 700;
}
.solution-hub {
    margin-top: 1.4rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    padding: 1.6rem 1.8rem;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius);
}
.solution-hub p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
    max-width: 52ch;
}

/* ---------- 核心转化区：左联系 + 右表单 ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 2.5rem;
    align-items: start;
}
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.contact-method-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.3rem;
    background: var(--ink-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--paper);
    transition: border-color 0.25s ease, transform 0.25s ease;
}
.contact-method-item:hover {
    border-color: var(--accent);
    transform: translateX(4px);
}
.contact-method-item .cm-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.15rem;
    flex-shrink: 0;
}
.contact-method-item .cm-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}
.contact-method-item .cm-value {
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 0.15rem;
}

/* ---------- 响应式塌缩 ---------- */
@media (max-width: 1024px) {
    .contact-hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        min-height: auto;
        padding: 4rem 0;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .solution-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 560px) {
    .solution-grid {
        grid-template-columns: 1fr;
    }
}