:root {
    --bg: #f2f2f7;
    --card: rgba(255, 255, 255, 0.78);
    --text: #1c1c1e;
    --subtext: #6e6e73;
    --line: rgba(60, 60, 67, 0.18);
    --primary: #007aff;
    --success: #34c759;
    --danger: #ff3b30;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --radius: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 0% 0%, rgba(0, 122, 255, 0.16), rgba(0, 122, 255, 0) 42%),
        radial-gradient(circle at 100% 100%, rgba(52, 199, 89, 0.12), rgba(52, 199, 89, 0) 38%),
        var(--bg);
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
}

.page-wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px 16px 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 10px;
}

.topbar-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ios-card {
    background: var(--card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel {
    padding: 18px;
}

.muted {
    color: var(--subtext);
}

.btn {
    border: none;
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(180deg, #3f9bff, var(--primary));
    color: #fff;
}

.btn-ghost {
    background: rgba(120, 120, 128, 0.12);
    color: var(--text);
}

.btn-danger {
    background: linear-gradient(180deg, #ff7d75, var(--danger));
    color: #fff;
}

.btn-success {
    background: linear-gradient(180deg, #62d885, var(--success));
    color: #fff;
}

.field {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.92);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 15px;
    outline: none;
}

.field:focus {
    border-color: rgba(0, 122, 255, 0.45);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.12);
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 14px;
}

.list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.list-item {
    padding: 12px;
    border-radius: 12px;
    border: 1px solid rgba(60, 60, 67, 0.10);
    background: rgba(255, 255, 255, 0.7);
}

.session-name-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-connection-tag {
    max-width: 120px;
    margin-left: auto;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255, 59, 48, 0.12);
    color: #d70015;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-preview-row {
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-preview-text {
    flex: 1;
    font-size: 13px;
    color: var(--subtext);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wx-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px;
    background: #ff3b30;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

.wx-new-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #07c160;
    display: inline-block;
}

.list-item.active {
    border-color: rgba(0, 122, 255, 0.38);
    box-shadow: inset 0 0 0 1px rgba(0, 122, 255, 0.2);
}

.chat-box {
    height: 58vh;
    overflow-y: auto;
    padding: 10px;
    border-radius: 14px;
    border: 1px solid rgba(60, 60, 67, 0.12);
    background: rgba(255, 255, 255, 0.62);
}

.bubble {
    max-width: 78%;
    margin: 8px 0;
    padding: 10px 12px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.45;
}

.msg-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.msg-row.agent {
    justify-content: flex-end;
}

.msg-avatar {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid rgba(60,60,67,0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #666;
    flex-shrink: 0;
}

.msg-row.agent .msg-avatar {
    background: #07c160;
    color: #fff;
    border-color: #07c160;
}

.bubble.visitor {
    background: #fff;
    border: 1px solid rgba(60, 60, 67, 0.12);
}

.bubble.agent {
    background: #95ec69;
    color: #111;
    margin-left: auto;
}

.meta {
    font-size: 12px;
    color: var(--subtext);
    margin-top: 6px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th,
.table td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid rgba(60, 60, 67, 0.12);
}

.tag {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.tag.pending {
    background: rgba(255, 149, 0, 0.12);
    color: #b36a00;
}

.tag.approved {
    background: rgba(52, 199, 89, 0.14);
    color: #137333;
}

.tag.rejected {
    background: rgba(255, 59, 48, 0.14);
    color: #b42318;
}

.reply-toolbar {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    align-items: stretch;
}

.reply-input {
    height: 78px;
    flex: 1;
}

.reply-emoji-bar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.reply-emoji-btn {
    border: 1px solid rgba(60, 60, 67, 0.18);
    background: #fff;
    border-radius: 8px;
    padding: 2px 7px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1.2;
}

.file-picker-wrap {
    min-width: 144px;
    width: 144px;
}

.file-picker-wrap input[type="file"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 1px;
    height: 1px;
}

.file-picker-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    height: 78px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(60, 60, 67, 0.18);
    background: rgba(255, 255, 255, 0.92);
    color: #2c2c2e;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.file-picker-btn .btn-icon,
.send-btn .btn-icon {
    flex-shrink: 0;
}

.file-picker-btn .btn-text,
.send-btn .btn-text {
    line-height: 1;
}

.file-picker-btn:hover {
    border-color: rgba(0, 122, 255, 0.35);
    box-shadow: 0 2px 10px rgba(0, 122, 255, 0.12);
}

.file-name {
    max-width: 92px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    color: #2c2c2e;
}

.send-btn {
    height: 78px;
    min-width: 92px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

@media (max-width: 900px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .chat-box {
        height: 46vh;
    }
    .reply-toolbar {
        align-items: stretch;
    }
    .file-picker-wrap {
        min-width: 108px;
        width: 108px;
    }
    .file-name {
        max-width: 58px;
    }
    .send-btn {
        min-width: 76px;
    }
    .session-connection-tag {
        max-width: 92px;
    }
}

/* 租户后台紧致布局（含手机双列） */
.tenant-workbench.page-wrap {
    max-width: 1240px;
    padding: 14px 10px 14px;
}

.tenant-workbench .topbar {
    margin-bottom: 10px;
}

.tenant-workbench .topbar-title {
    font-size: 20px;
}

.tenant-workbench .topbar-actions .btn {
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 13px;
}

.tenant-workbench .tenant-grid {
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 10px;
}

.tenant-workbench .panel {
    padding: 12px;
}

.tenant-workbench .list {
    gap: 8px;
}

.tenant-workbench .list-item {
    padding: 9px 10px;
    border-radius: 10px;
}

.tenant-workbench .session-name-row strong {
    font-size: 14px;
}

.tenant-workbench .session-preview-text {
    font-size: 12px;
}

.tenant-workbench .session-connection-tag {
    max-width: 88px;
    font-size: 11px;
    padding: 2px 6px;
}

.tenant-workbench .chat-box {
    height: 62vh;
    border-radius: 12px;
}

.tenant-workbench .bubble {
    margin: 6px 0;
    padding: 8px 10px;
}

.tenant-workbench .reply-toolbar {
    margin-top: 8px;
    gap: 6px;
}

.tenant-workbench .reply-input,
.tenant-workbench .file-picker-btn,
.tenant-workbench .send-btn {
    height: 66px;
}

.tenant-workbench .file-picker-wrap {
    min-width: 118px;
    width: 118px;
}

.tenant-workbench .file-name {
    max-width: 62px;
    font-size: 12px;
}

.tenant-workbench .send-btn {
    min-width: 70px;
    padding: 8px 10px;
}

@media (max-width: 900px) {
    .tenant-workbench.page-wrap {
        padding: 8px 6px 10px;
    }
    .tenant-workbench .tenant-grid {
        grid-template-columns: minmax(132px, 38%) minmax(0, 1fr);
        gap: 6px;
    }
    .tenant-workbench .panel {
        padding: 8px;
    }
    .tenant-workbench .topbar {
        flex-wrap: wrap;
        gap: 6px;
    }
    .tenant-workbench .topbar-title {
        font-size: 17px;
    }
    .tenant-workbench .topbar-actions .btn {
        padding: 7px 8px;
        font-size: 12px;
    }
    .tenant-workbench .chat-box {
        height: 56vh;
    }
    .tenant-workbench .session-connection-tag {
        max-width: 66px;
    }
    .tenant-workbench .file-picker-wrap {
        min-width: 96px;
        width: 96px;
    }
    .tenant-workbench .file-name {
        max-width: 48px;
    }
    .tenant-workbench .reply-input,
    .tenant-workbench .file-picker-btn,
    .tenant-workbench .send-btn {
        height: 58px;
    }
    .tenant-workbench .send-btn {
        min-width: 62px;
    }
    .tenant-workbench .file-picker-wrap {
        min-width: 44px;
        width: 44px;
    }
    .tenant-workbench .file-picker-btn,
    .tenant-workbench .send-btn {
        width: 44px;
        min-width: 44px;
        padding: 0;
    }
    .tenant-workbench .file-picker-btn .btn-text,
    .tenant-workbench .send-btn .btn-text {
        display: none;
    }
    .tenant-workbench .file-picker-btn .btn-icon,
    .tenant-workbench .send-btn .btn-icon {
        width: 16px;
        height: 16px;
    }
}

/* 商业化首页 - 重新设计 */
.landing-wrap {
    max-width: 1240px;
    margin: 0 auto;
    padding: 20px 16px 36px;
}

.landing-premium {
    position: relative;
}

.landing-premium::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 8% 10%, rgba(70, 116, 255, 0.26), transparent 34%),
        radial-gradient(circle at 80% 14%, rgba(80, 200, 150, 0.16), transparent 32%),
        linear-gradient(180deg, rgba(249, 251, 255, 0.95), rgba(242, 246, 255, 0.9));
    z-index: -1;
}

.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.landing-brand {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #0f58ff, #5d45ff 48%, #07ad6f);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.landing-nav-actions {
    display: flex;
    gap: 8px;
}

.landing-hero {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 30px;
    border-radius: 26px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    background:
        linear-gradient(150deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78)),
        radial-gradient(circle at 0% 0%, rgba(15, 88, 255, 0.18), rgba(15, 88, 255, 0));
    box-shadow: 0 22px 55px rgba(9, 28, 90, 0.14);
    align-items: stretch;
}

.landing-hero-top {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 14px;
}

.landing-hero-bottom {
    width: 100%;
}

.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #1d4f95;
    background: rgba(15, 88, 255, 0.1);
    border: 1px solid rgba(15, 88, 255, 0.22);
}

.landing-hero h1 {
    margin: 12px 0 12px;
    font-size: 52px;
    line-height: 1.12;
    letter-spacing: 0.2px;
}

.landing-hero p {
    margin: 0;
    font-size: 16px;
    color: #5c6370;
    line-height: 1.7;
}

.landing-side-card {
    border-radius: 20px;
    padding: 18px;
    background:
        linear-gradient(155deg, rgba(14, 24, 52, 0.97), rgba(20, 37, 76, 0.96)),
        radial-gradient(circle at 88% 14%, rgba(84, 142, 255, 0.3), rgba(84, 142, 255, 0));
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 14px 34px rgba(12, 24, 60, 0.34);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.landing-hero-side {
    display: flex;
}

.landing-side-card h3 {
    margin: 0 0 10px;
    font-size: 20px;
    color: #f4f8ff;
}

.landing-cap-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.landing-cap-item {
    border-radius: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.landing-cap-item strong {
    display: block;
    font-size: 14px;
    color: #f7fbff;
}

.landing-cap-item p {
    margin: 4px 0 0;
    font-size: 12px;
    color: rgba(232, 242, 255, 0.78);
}

.landing-side-foot {
    margin-top: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.landing-side-foot span {
    font-size: 11px;
    text-align: center;
    padding: 6px 8px;
    border-radius: 999px;
    color: rgba(226, 240, 255, 0.92);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.landing-metrics {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.landing-metrics > div {
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(86, 102, 141, 0.12);
}

.landing-metrics strong {
    display: block;
    font-size: 22px;
    line-height: 1.1;
    color: #122f69;
}

.landing-metrics span {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #5f6776;
}

.landing-title-row {
    margin-bottom: 10px;
}

.landing-title-row h2 {
    margin: 0 0 4px;
    font-size: 30px;
}

.landing-title-row p {
    margin: 0;
    color: #667080;
}

.landing-section {
    margin-top: 18px;
}

.landing-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.landing-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.landing-grid-3 .panel,
.landing-grid-2 .panel {
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(86, 102, 141, 0.12);
}

.landing-grid-3 h3,
.landing-grid-2 h3 {
    margin: 0 0 6px;
}

.landing-grid-3 p,
.landing-grid-2 p {
    margin: 0;
    color: #616b79;
    line-height: 1.6;
}

.landing-pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.landing-price-card {
    position: relative;
    border-radius: 20px;
    padding: 18px 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.85));
    border: 1px solid rgba(90, 107, 148, 0.14);
    box-shadow: 0 8px 22px rgba(23, 40, 88, 0.08);
}

.landing-price-card.featured {
    border-color: rgba(33, 137, 255, 0.45);
    box-shadow: 0 14px 28px rgba(33, 112, 255, 0.2);
}

.landing-price-card h3 {
    margin: 0;
    font-size: 18px;
}

.landing-price-card .price {
    margin: 8px 0 10px;
    font-size: 34px;
    font-weight: 900;
    color: #132f69;
    line-height: 1.1;
}

.landing-price-card .price span {
    margin-left: 4px;
    font-size: 14px;
    font-weight: 600;
    color: #647188;
}

.hot-tag {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(180deg, #2e8bff, #0f63ff);
}

.landing-list {
    margin: 0;
    padding-left: 18px;
    line-height: 1.85;
    color: #4f5b70;
}

.landing-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.landing-steps .panel {
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(86, 102, 141, 0.12);
}

.landing-steps strong {
    font-size: 30px;
    color: #0f5bff;
}

.landing-steps p {
    margin: 8px 0 0;
    color: #616b79;
}

.landing-code {
    margin: 0;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid rgba(74, 92, 136, 0.16);
    background: rgba(255, 255, 255, 0.9);
    overflow-x: auto;
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 13px;
}

.landing-footer {
    margin-top: 18px;
    border-radius: 20px;
    padding: 20px;
    background: linear-gradient(135deg, #0f2b68, #133980 58%, #125f8f);
    color: #f4f8ff;
}

.landing-footer h3 {
    margin: 0 0 6px;
    font-size: 26px;
}

.landing-footer p {
    margin: 0;
    color: rgba(228, 241, 255, 0.86);
}

.landing-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

@media (max-width: 1080px) {
    .landing-hero-top {
        grid-template-columns: 1fr;
    }
    .landing-hero h1 {
        font-size: 42px;
    }
    .landing-pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .landing-wrap {
        padding: 14px 10px 20px;
    }
    .landing-brand {
        font-size: 20px;
    }
    .landing-hero {
        padding: 18px;
    }
    .landing-hero h1 {
        font-size: 32px;
    }
    .landing-cap-grid,
    .landing-side-foot,
    .landing-metrics,
    .landing-grid-3,
    .landing-grid-2,
    .landing-pricing-grid,
    .landing-steps {
        grid-template-columns: 1fr;
    }
}