/* ============================================================
   比奇网络 · 站点样式（在 layui 之上做主题定制）
   ============================================================ */
:root {
    --bq-blue: #2b7cff;
    --bq-blue-deep: #1e63e0;
    --bq-teal: #16baaa;
    --bq-dark: #2f363c;
    --bq-dark-2: #23292e;
    --bq-text: #1a1a1a;
    --bq-muted: #888;
    --bq-line: #eef3f8;
    --bq-bg-soft: #f7fbfc;
    --bq-radius: 10px;
    --bq-shadow: 0 8px 24px rgba(30, 60, 110, .10);
    --bq-shadow-hover: 0 14px 34px rgba(30, 60, 110, .16);
}

html { height: 100%; }

body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    margin: 0;
    color: var(--bq-text);
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
        "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1 0 auto; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--bq-teal); }

/* ---------------------------------------------------------- 顶部导航 */
.header {
    height: 70px;
    background: var(--bq-dark);
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .04);
}

.main-nav {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    color: #fff;
}
.brand:hover { color: #fff; }

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .5px;
    color: #fff;
    background: linear-gradient(135deg, var(--bq-blue), var(--bq-teal));
    box-shadow: 0 4px 12px rgba(22, 186, 170, .35);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}
.brand-text i {
    font-style: normal;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, .45);
    margin-top: 3px;
}

.main-menu {
    flex: 1;
    display: flex;
    justify-content: center;
    background: transparent !important;
    border: none;
}
.main-menu.layui-nav .layui-nav-item > a {
    color: rgba(255, 255, 255, .78);
    font-size: 15px;
    height: 70px;
    line-height: 70px;
    padding: 0 16px;
    transition: color .2s;
}
.main-menu.layui-nav .layui-nav-item > a:hover,
.main-menu.layui-nav .layui-nav-item.layui-this > a {
    color: #fff;
}
.main-menu.layui-nav .layui-nav-item.layui-this > a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--bq-blue), var(--bq-teal));
}
.main-menu.layui-nav .layui-nav-bar { display: none; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.header-actions .layui-btn { margin: 0; }

/* 登录后的账号下拉 */
.user-menu {
    position: relative;
    height: 70px;
    display: flex;
    align-items: center;
}

.user-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #c8d2dc;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s, color .2s;
}
.user-trigger:hover,
.user-menu.open .user-trigger {
    background: rgba(255, 255, 255, .09);
    color: #fff;
}
.user-trigger .avatar-icon { width: 19px; height: 19px; flex-shrink: 0; }
.user-trigger .user-label {
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.user-trigger .chev {
    width: 11px;
    height: 11px;
    flex-shrink: 0;
    opacity: .75;
    transition: transform .2s ease;
}
.user-menu:hover .user-trigger .chev,
.user-menu.open .user-trigger .chev { transform: rotate(180deg); }

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 172px;
    padding-top: 9px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    z-index: 960;
}
.dropdown-panel {
    position: relative;
    padding: 6px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 14px 34px rgba(10, 25, 50, .2);
    border: 1px solid #eef1f5;
}
.user-menu:hover .user-dropdown,
.user-menu:focus-within .user-dropdown,
.user-menu.open .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: none;
}
.dropdown-panel::before {
    content: "";
    position: absolute;
    top: -6px;
    right: 22px;
    width: 10px;
    height: 10px;
    background: #fff;
    border-left: 1px solid #eef1f5;
    border-top: 1px solid #eef1f5;
    transform: rotate(45deg);
}
.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 12px;
    border-radius: 7px;
    font-size: 14px;
    color: #3a4550;
    transition: background .18s, color .18s;
}
.user-dropdown a:hover { background: #f2f7ff; color: var(--bq-blue); }
.user-dropdown a .layui-icon { font-size: 15px; color: #9aa4ae; }
.user-dropdown a:hover .layui-icon { color: var(--bq-blue); }
.user-dropdown a.danger:hover { background: #fff2f0; color: #e74c3c; }
.user-dropdown a.danger:hover .layui-icon { color: #e74c3c; }
.dropdown-divider { height: 1px; background: #f1f4f7; margin: 5px 8px; }

.menu-toggle {
    display: none;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 8px;
    background: transparent;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
}

/* ---------------------------------------------------------- 通用板块 */
.section { padding: 70px 0 60px; }
.section-soft { background: #f6f8fa; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head h2 {
    font-size: 26px;
    font-weight: 800;
    margin: 0;
    letter-spacing: .5px;
}
.section-head p { color: var(--bq-muted); margin: 12px 0 0; }

.page-hero {
    background: linear-gradient(180deg, #f2f8fb 0%, #f6f8fa 100%);
    padding: 58px 0 46px;
    text-align: center;
    border-bottom: 1px solid #edf2f6;
}
.page-hero h1 { font-size: 34px; font-weight: 800; margin: 0; }
.page-hero p { color: #6b7785; margin: 14px 0 0; font-size: 16px; }

.layui-card {
    border-radius: var(--bq-radius);
    box-shadow: 0 1px 2px rgba(16, 40, 70, .04), 0 6px 20px rgba(16, 40, 70, .06);
    border: 1px solid #eef1f5;
    transition: transform .25s ease, box-shadow .25s ease;
}
.layui-card-body { color: var(--bq-text); }

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bq-shadow-hover);
}
.feature-card .feature-icon { font-size: 34px; line-height: 1; }

.layui-btn { border-radius: 6px; }
.layui-btn-primary.layui-border-cyan {
    color: var(--bq-teal);
    border-color: #9fe3da;
    background: #fff;
}
.layui-btn-primary.layui-border-cyan:hover {
    color: #fff;
    background: var(--bq-teal);
    border-color: var(--bq-teal);
}

/* ---------------------------------------------------------- 首屏 */
.hero-section {
    background: linear-gradient(180deg, #f7fbfc 0%, #ffffff 100%);
    padding: 60px 0 70px;
}
.hero-row { display: flex; align-items: center; gap: 50px; }
.hero-left { flex: 1; min-width: 0; }
.hero-right { flex: 1.1; min-width: 0; }

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
    background: #fff;
    border: 1px solid #e6eef0;
    padding: 8px 18px;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .03);
    margin: 0;
}
.hero-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--bq-teal);
    box-shadow: 0 0 0 4px rgba(22, 186, 170, .16);
}
.hero-date { color: var(--bq-teal); font-weight: 700; }

.hero-title {
    font-size: 52px;
    font-weight: 900;
    letter-spacing: 2px;
    margin: 24px 0;
    background: linear-gradient(90deg, var(--bq-blue), var(--bq-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc { font-size: 17px; color: #666; line-height: 1.9; }

.hero-updates { margin-top: 28px; }
.hero-update-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}
.hero-update-date { font-size: 15px; color: #666; white-space: nowrap; }
.hero-update-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(90deg, var(--bq-blue), var(--bq-blue-deep));
    color: #fff;
    font-size: 15px;
    padding: 12px 26px;
    border-radius: 8px;
    box-shadow: 0 6px 16px rgba(43, 124, 255, .3);
    transition: all .25s;
}
.hero-update-btn:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(43, 124, 255, .4);
}

.hero-links { display: flex; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.hero-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--bq-blue);
    background: #fff;
    border: 1px solid #cfe0ff;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all .25s;
}
.hero-link-btn:hover { background: #f0f7ff; border-color: var(--bq-blue); color: var(--bq-blue); }

.hero-stats { display: flex; gap: 36px; margin-top: 36px; flex-wrap: wrap; }
.hero-stat { display: flex; align-items: baseline; gap: 8px; }
.hero-stat-num { font-size: 26px; font-weight: 900; color: var(--bq-blue); }
.hero-stat-label { font-size: 14px; color: #888; }

/* 右侧轮播 */
.hero-carousel {
    position: relative;
    height: 420px;
    border-radius: 16px;
    overflow: hidden;
    background: transparent;
}
.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity .6s ease;
    pointer-events: none;
}
.hero-slide.is-active { opacity: 1; pointer-events: auto; }

.slide-card {
    width: 100%;
    max-width: 520px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(43, 124, 255, .15);
    overflow: hidden;
    border: 1px solid var(--bq-line);
}
.slide-card-head {
    background: linear-gradient(90deg, var(--bq-blue), var(--bq-teal));
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    padding: 20px 24px;
}
.slide-card-body { padding: 24px; background: #fafcff; }
.slide-line {
    font-size: 15px;
    color: #444;
    padding: 14px 18px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 12px;
    border: 1px solid var(--bq-line);
}
.slide-line:last-child { margin-bottom: 0; }
.slide-card-foot {
    text-align: center;
    font-size: 14px;
    color: var(--bq-teal);
    font-weight: 700;
    padding: 16px;
    background: #fff;
    border-top: 1px solid var(--bq-line);
}
.carousel-dots {
    position: absolute;
    left: 0; right: 0; bottom: 6px;
    display: flex;
    justify-content: center;
    gap: 8px;
    z-index: 3;
}
.carousel-dots button {
    width: 9px; height: 9px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: #cfd9e2;
    cursor: pointer;
    transition: all .25s;
}
.carousel-dots button.is-active { width: 22px; border-radius: 6px; background: var(--bq-blue); }

/* ---------------------------------------------------------- 时间线 */
.layui-timeline-title { font-weight: 700; }
.layui-timeline-content ul { margin: 10px 0 0; padding-left: 20px; }
.layui-timeline-content li { line-height: 2; color: #444; font-size: 14px; }

/* ---------------------------------------------------------- 列表 / 侧栏 */
.news-item {
    display: block;
    padding: 20px 24px;
    border-bottom: 1px solid #f2f2f2;
    transition: background .2s;
}
.news-item:hover { background: #fafcff; }
.news-item h4 { font-weight: 700; color: #222; margin: 0 0 8px; }
.news-item:hover h4 { color: var(--bq-teal); }
.news-item p { font-size: 14px; line-height: 1.7; margin: 0 0 10px; }

.side-link {
    display: block;
    padding: 12px 24px;
    color: #555;
    font-size: 14px;
    transition: all .2s;
}
.side-link:hover { background: #f5f7fa; color: var(--bq-teal); }

.tutorial-item {
    display: flex;
    gap: 18px;
    padding: 22px 24px;
    border-bottom: 1px solid #f2f2f2;
    transition: background .2s;
}
.tutorial-item:hover { background: #fafcff; }
.tutorial-icon {
    flex-shrink: 0;
    width: 52px; height: 52px;
    border-radius: 10px;
    background: #f0fbf9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.tutorial-main { flex: 1; min-width: 0; }
.tutorial-main h4 { font-weight: 700; color: #222; margin: 0 0 8px; }
.tutorial-item:hover h4 { color: var(--bq-teal); }
.tutorial-main p { font-size: 14px; line-height: 1.7; margin: 0 0 8px; }

/* ---------------------------------------------------------- 定价 */
.plan-card .plan-price {
    font-size: 38px;
    font-weight: 900;
    color: var(--bq-teal);
    line-height: 1;
}
.plan-card ul { list-style: none; padding: 0; margin: 0 0 30px; text-align: left; line-height: 2.4; font-size: 14px; }
.plan-card ul li.is-off { color: #9aa4ae; }

/* ---------------------------------------------------------- Emoji 库 */
.emoji-section { margin-bottom: 50px; }
.emoji-title {
    font-size: 20px;
    font-weight: 700;
    color: #222;
    padding-bottom: 14px;
    margin: 0 0 20px;
    border-bottom: 2px solid #f2f2f2;
}
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
    gap: 10px;
}
.emoji-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    font-size: 28px;
    line-height: 1;
    border-radius: 10px;
    cursor: pointer;
    transition: all .2s;
    user-select: none;
}
.emoji-item:hover { background: #f0fbf9; transform: scale(1.15); }

.emoji-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(0, 0, 0, .78);
    color: #fff;
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transition: all .25s;
    pointer-events: none;
}
.emoji-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------------------------------------------------------- 悬浮组件 */
.float-stack {
    position: fixed;
    right: 22px;
    bottom: 80px;
    z-index: 990;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.float-stack .float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid #e3eaf1;
    background: #fff;
    color: #45505c;
    font-size: 12px;
    line-height: 1.2;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(20, 45, 80, .14);
    transition: all .25s;
    display: grid;
    place-items: center;
    padding: 0;
}
.float-stack .float-btn:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--bq-blue), var(--bq-teal));
    border-color: transparent;
    transform: translateY(-2px);
}
.float-stack .to-top { opacity: 0; visibility: hidden; transform: translateY(8px); }
.float-stack .to-top.show { opacity: 1; visibility: visible; transform: none; }

/* ---------------------------------------------------------- 客服弹层 */
.support-card { padding: 6px 4px; width: 250px; }
.support-card h4 { margin: 0 0 14px; font-size: 16px; }
.support-card p { margin: 6px 0; font-size: 14px; color: #555; }

/* ---------------------------------------------------------- 登录弹窗 */
.auth-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 25, 40, .5);
    backdrop-filter: blur(2px);
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-modal.show { display: flex; }
.auth-dialog {
    width: 380px;
    max-width: 100%;
    background: #fff;
    border-radius: 14px;
    padding: 26px 26px 22px;
    box-shadow: 0 24px 60px rgba(10, 25, 50, .28);
    position: relative;
    animation: authIn .22s ease;
}
@keyframes authIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.auth-close {
    position: absolute;
    right: 14px;
    top: 10px;
    border: none;
    background: transparent;
    font-size: 22px;
    color: #9aa4ae;
    cursor: pointer;
    line-height: 1;
}
.auth-close:hover { color: #333; }
.auth-tabs { display: flex; gap: 10px; margin-bottom: 18px; }
.auth-tabs button {
    flex: 1;
    padding: 10px 0;
    font-size: 15px;
    border-radius: 8px;
    border: 1px solid #d7e5ee;
    background: #fff;
    color: #45505c;
    cursor: pointer;
    transition: all .2s;
}
.auth-tabs button.is-active {
    background: var(--bq-teal);
    border-color: var(--bq-teal);
    color: #fff;
    font-weight: 600;
}
.auth-form { display: none; }
.auth-form.is-active { display: block; }
.auth-field {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid #e2e9f0;
    border-radius: 8px;
    padding: 0 14px;
    margin-bottom: 14px;
    height: 46px;
    transition: border-color .2s, box-shadow .2s;
}
.auth-field:focus-within { border-color: var(--bq-teal); box-shadow: 0 0 0 3px rgba(22, 186, 170, .12); }
.auth-field i { color: #9aa4ae; font-size: 16px; }
.auth-field input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    height: 100%;
    background: transparent;
    min-width: 0;
}
.auth-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: #6b7785;
    margin: -2px 0 16px;
}
.auth-row label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.auth-row a { color: var(--bq-blue); }
.auth-submit {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--bq-blue), var(--bq-teal));
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
}
.auth-submit:hover { opacity: .92; }
.auth-submit:disabled { opacity: .6; cursor: not-allowed; }
.auth-msg {
    min-height: 20px;
    font-size: 13px;
    color: #e74c3c;
    margin: 4px 0 8px;
    text-align: center;
}
.auth-msg.ok { color: var(--bq-teal); }

/* ---------------------------------------------------------- 页脚 */
.footer {
    flex-shrink: 0;
    padding: 22px 0;
    text-align: center;
    color: #6b7785;
    background: #f5f7f9;
    border-top: 1px solid #eceff3;
    font-size: 14px;
}
.footer a { color: #4a555f; }
.footer a:hover { color: var(--bq-teal); }
.footer .footer-links { margin-bottom: 8px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* ---------------------------------------------------------- 控制台 */
.stat-card { text-align: center; padding: 26px 18px; }
.stat-card .stat-num { font-size: 30px; font-weight: 900; color: var(--bq-blue); }
.stat-card .stat-label { color: var(--bq-muted); font-size: 14px; margin-top: 6px; }
.console-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-bottom: 1px solid #f2f2f2;
}
.console-item:last-child { border-bottom: none; }
.console-item .ci-icon {
    width: 42px; height: 42px;
    display: grid; place-items: center;
    border-radius: 10px;
    background: #f0fbf9;
    font-size: 22px;
}
.console-item .ci-main { flex: 1; }
.console-item .ci-main h4 { margin: 0 0 4px; font-size: 15px; }
.console-item .ci-main p { margin: 0; font-size: 13px; color: #8a939d; }

.empty-state { text-align: center; padding: 60px 20px; color: #8a939d; }
.empty-state .es-icon { font-size: 48px; margin-bottom: 16px; }

/* ---------------------------------------------------------- 响应式 */
@media (max-width: 1100px) {
    .main-menu.layui-nav .layui-nav-item > a { padding: 0 10px; font-size: 14px; }
}

@media (max-width: 992px) {
    .hero-row { flex-direction: column; gap: 40px; }
    .hero-title { font-size: 38px; }
    .hero-right { width: 100%; }
    .hero-carousel { height: 380px; }

    .menu-toggle { display: block; }
    .main-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        background: var(--bq-dark-2);
        padding: 8px 0;
        z-index: 950;
    }
    .main-menu.open { display: flex; }
    .main-menu.layui-nav .layui-nav-item { width: 100%; }
    .main-menu.layui-nav .layui-nav-item > a {
        height: 46px;
        line-height: 46px;
        padding: 0 24px;
        display: block;
    }
    .main-menu.layui-nav .layui-nav-item.layui-this > a::after { display: none; }
    .main-menu.layui-nav .layui-nav-item.layui-this > a {
        color: var(--bq-teal);
        background: rgba(255, 255, 255, .04);
    }
}

@media (max-width: 768px) {
    .brand-text i { display: none; }
    .user-trigger { padding: 0 8px; gap: 6px; }
    .user-trigger .user-label { display: none; }
    .user-dropdown { right: 0; }
    .hero-update-row { flex-direction: column; align-items: flex-start; gap: 8px; }
    .hero-title { font-size: 30px; }
    .hero-stats { gap: 24px; }
    .page-hero { padding: 42px 0 34px; }
    .page-hero h1 { font-size: 26px; }
    .section { padding: 46px 0 40px; }
    .float-stack { right: 14px; bottom: 70px; }
    .float-stack .float-btn { width: 46px; height: 46px; }
}