/* ============================================================
   HPMIR 首页样式 (index.css)
   架构参考 muban.html：深色左侧品牌栏 + 右侧内容 + 右侧圆形悬浮菜单
   品牌主色：Azure #2e82ef / 深色侧栏 #070B14
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --brand: #2e82ef;
    --brand-light: #6aa8f5;
    --brand-dark: #2338c9;
    --brand-2: #6aa8f5;
    --primary: #2e82ef;
    --primary-2: #6aa8f5;
    --grad: linear-gradient(90deg, #361cc1 0%, #2e82ef 100%);
    --text: #0c111f;
    --text-2: #444c63;
    --text-3: #8a93a3;
    --border: #e7ebf3;
    --radius: 12px;
    --blue-tint: #eaeefc;
    --shadow: 0 4px 16px rgba(12, 17, 31, 0.06);
    --shadow-lg: 0 24px 55px -30px rgba(12, 17, 31, 0.3);
    --bg-side-main: #361cc1;
    --bg-side-card: rgba(255, 255, 255, 0.1);
    --line-sub: rgba(255, 255, 255, 0.07);
    --line-brand: rgba(46, 130, 239, 0.32);
    --text-primary: #ffffff;
    --text-secondary: #b4c2de;
    --text-muted: #6c7891;
    --text-dim: #8892b9;
    --text-soon: #5c6585;
    --ink: #0c111f;
    --ink-2: #444c63;
    --ink-3: #535b74;
    --line: #e7ebf3;
    --soft: #f6f8fc;
    --ease: all 0.26s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    /* font-family: "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif; */
    background: #FFFFFF;
    color: #141a2c;
    line-height: 1.7;
    /* letter-spacing: 0.2px; */
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-weight: 320;
    letter-spacing: 0.05em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--ease);
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

button {
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 clamp(24px, 4vw, 64px);
}

/* 移动端汉堡按钮 */
.mobile-menu-btn {
    display: none;
    position: fixed;
    /* top: 18px; */
    /* left: 18px; */
    z-index: 9999;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #2e82ef, #1570d6);
    color: #fff;
    font-size: 20px;
    align-items: center;
    justify-content: center;
}

/* ========== 品牌侧栏（深色渐变） ========== */
.sidebar {
    width: 280px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    background: #361cc1 url(/static/banner-bg.svg) no-repeat center / cover;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    z-index: 99;
    overflow: hidden;
}

.sidebar::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line-sub) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-sub) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 70%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 70%);
    pointer-events: none;
}

.sidebar::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--line-brand), transparent);
}

.sidebar-brand {
    position: relative;
    overflow: hidden;
    padding: 40px 28px 28px;
    border-bottom: 1px solid var(--line-sub);
    background: linear-gradient(180deg, rgba(46, 130, 239, 0.08), transparent);
}

/* LOGO 区：流星滑过（多颗，大小/亮度各异；起止位置与角度由 JS 每次随机） */
.sidebar-brand>.brand-logo,
.sidebar-brand>.brand-tag {
    position: relative;
    z-index: 1;
}

.brand-meteor {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.15) 55%, rgba(255, 255, 255, 0.95) 100%);
    filter: drop-shadow(0 0 6px rgba(150, 195, 255, 0.85));
    opacity: 0;
    pointer-events: none;
    transform-origin: 100% 50%;
    animation: brandMeteor 6s ease-in-out infinite;
    will-change: transform, opacity;
}

/* 主流星：中长、最亮 */
.sidebar-brand .m1 {
    --mo: 1;
    width: 96px;
}

/* 小流星：短、偏暗 */
.sidebar-brand .m2 {
    --mo: 0.45;
    width: 52px;
    height: 1px;
    filter: drop-shadow(0 0 4px rgba(150, 195, 255, 0.5));
    animation-duration: 8.5s;
    animation-delay: 2.6s;
}

/* 长流星：最长、微暗 */
.sidebar-brand .m3 {
    --mo: 0.7;
    width: 132px;
    animation-duration: 5.4s;
    animation-delay: 4.2s;
}

@keyframes brandMeteor {
    0% {
        transform: translate(var(--mx0, -80px), var(--my0, -30px)) rotate(var(--mr, 30deg));
        opacity: 0;
    }

    12% {
        opacity: var(--mo, 1);
    }

    48% {
        opacity: var(--mo, 1);
    }

    68% {
        transform: translate(var(--mx1, 220px), var(--my1, 150px)) rotate(var(--mr, 30deg));
        opacity: 0;
    }

    100% {
        transform: translate(var(--mx1, 220px), var(--my1, 150px)) rotate(var(--mr, 30deg));
        opacity: 0;
    }
}

.brand-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 4px;
    color: #cfe0ff;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.brand-tag .dot {
    width: 8px;
    height: 8px;
    background: var(--brand);
    box-shadow: 0 0 14px rgba(46, 130, 239, 0.95);
}

.brand-logo {
    display: inline-block;
    /* margin-bottom: 10px; */
}

.brand-logo img {
    max-height: 40px;
    max-width: 100%;
    width: auto;
    height: auto;
    animation: logoBreathe 3s ease-in-out infinite;
}

@keyframes logoBreathe {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.sidebar-brand p {
    /* margin-top: 8px; */
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 6px;
}

.sidebar-nav {
    flex: 1;
    padding: 28px 18px;
    position: relative;
    overflow-y: auto;
    scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar {
    display: none;
}

.nav-scroll-hint {
    position: sticky;
    bottom: 0;
    display: none;
    height: 58px;
    margin-top: -58px;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 0 6px 4px 0;
    pointer-events: none;
    z-index: 5;
}

.nav-scroll-hint.show {
    display: flex;
}

.nav-scroll-hint i {
    pointer-events: auto;
    cursor: pointer;
    color: #dbe6fd;
    font-size: 16px;
    transition: color 0.2s ease;
    animation: navHintBreathe 1.5s ease-in-out infinite;
}

.nav-scroll-hint i:hover {
    color: #fff;
}

@keyframes navHintBreathe {
    0%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    50% {
        transform: translateY(4px);
        opacity: 1;
    }
}

.nav-list {
    width: 100%;
}

.nav-group-title {
    position: relative;
    padding: 22px 16px 18px 24px;
    font-size: 15px;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

.nav-group-title::before {
    content: "";
    position: absolute;
    left: 24px;
    bottom: 8px;
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, var(--brand), transparent);
}

.nav-group-title::after {
    content: attr(data-group);
    position: absolute;
    right: 14px;
    top: 18px;
    font-size: 13px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.06);
    letter-spacing: 6px;
    pointer-events: none;
}

.nav-item {
    position: relative;
    margin: 2px 0;
}

.nav-item a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 18px 15px 24px;
    font-size: 15px;
    color: #dbe6fd;
    border-left: 3px solid transparent;
    background: transparent;
    transition: all 0.28s ease;
}

.nav-item a .num {
    width: 26px;
    font-size: 12px;
    color: var(--text-dim);
    font-family: "DIN Alternate", "Arial", sans-serif;
    font-weight: 700;
    letter-spacing: 2px;
    transition: all 0.28s ease;
}

.nav-item a .bar {
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform 0.28s ease;
}

.nav-item a .arrow {
    margin-left: auto;
    font-size: 13px;
    color: #fff;
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.28s ease;
}

.nav-item a:hover {
    background: linear-gradient(90deg, var(--brand), transparent);
    /* border-left-color: var(--brand); */
    transform: translateX(4px);
}

.nav-item a:hover .num {
    color: var(--brand);
}

.nav-item a:hover .bar {
    transform: scaleY(1);
}

.nav-item a:hover .arrow {
    opacity: 1;
    transform: translateX(0);
}

.nav-item.active a {
    background: linear-gradient(90deg, var(--brand), transparent);
    /* border-left-color: var(--brand); */
    /* color: #fff; */
}

.nav-item.active a .num {
    color: var(--brand);
}

.nav-item.active a .bar {
    transform: scaleY(1);
}

.nav-item.active a .arrow {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-footer {
    position: relative;
    padding: 22px 28px;
    border-top: 1px solid var(--line-sub);
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.25), transparent);
}

.sidebar-footer .code {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.sidebar-footer .copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.34);
    line-height: 1.6;
}

/* ========== 侧栏收起按钮 ========== */
.sidebar {
    transition: transform 0.3s ease;
}

.side-toggle {
    position: fixed;
    top: 22px;
    left: 292px;
    z-index: 121;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: #fff;
    border: 1px solid var(--line);
    color: #8a93a3;
    font-size: 14px;
    cursor: pointer;
    transition: left 0.3s ease, color 0.2s ease, border-color 0.2s ease;
}

.side-toggle:hover {
    color: var(--brand);
    border-color: var(--brand);
}

.side-toggle .tip {
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(-6px);
    padding: 6px 12px;
    background: #0b1020;
    color: #eaf1ff;
    font-size: 12px;
    letter-spacing: 0.5px;
    white-space: nowrap;
    border: 1px solid rgba(46, 130, 239, 0.4);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.side-toggle .tip::before {
    content: "";
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: #0b1020;
}

.side-toggle:hover .tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

@media screen and (min-width: 901px) {
    .sb-collapsed .sidebar {
        transform: translateX(-100%);
    }

    .sb-collapsed .main-wrap {
        margin-left: 0;
    }

    .sb-collapsed .side-toggle {
        left: 20px;
    }
}

@media screen and (max-width: 900px) {
    .side-toggle {
        display: none;
    }
}

/* ========== 主内容 ========== */
.main-wrap {
    margin-left: 280px;
}

/* ========== 通用区块头部（参考模板） ========== */
.module-section {
    padding: 50px 0;
    background: #ffffff;
}

.module-section--soft {
    background: var(--soft);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-head {
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 52px;
}

.section-head > div {
    position: relative;
    padding-top: 26px;
}

.section-label {
    position: absolute;
    left: 0;
    top: 0;
    font-size: clamp(40px, 6vw, 76px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(46, 130, 239, 0.09);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.section-title {
    position: relative;
    z-index: 1;
    font-size: 34px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.25;
    letter-spacing: 0.5px;
}

.section-sub {
    position: relative;
    z-index: 1;
    margin-top: 10px;
    color: var(--ink-3);
}

/* ========== HERO ========== */
/* ========== HERO 首屏（老版，浅色渐变） ========== */
.hero {
    position: relative;
    padding: 96px 0 72px;
    text-align: center;
    overflow: hidden;
    background:
        radial-gradient(560px 340px at 0% 0%, rgba(46, 130, 239, 0.2), transparent 66%),
        radial-gradient(680px 380px at 100% 0%, rgba(46, 130, 239, 0.2), transparent 66%),
        linear-gradient(180deg, #f4f9ff 0%, #fbfdff 26%, #ffffff 50%, #ffffff 100%);
}

/* HERO 左上角：一句话公告（几何标签式） */
.hero-notice {
    position: absolute;
    top: 22px;
    left: clamp(40px, 3.2vw, 80px);
    z-index: 6;
    display: inline-flex;
    align-items: stretch;
    height: 38px;
    max-width: calc(100% - 48px);
    font-size: 12px;
    line-height: 1.5;
    text-align: left;
    font-weight: 400;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 0 20px 44px -30px rgba(11, 17, 31, 0.5);
    animation: noticeIn 0.6s ease both;
}

/* 右上角几何角标 */
.hero-notice::before {
    content: "";
    position: absolute;
    top: -1px;
    right: -1px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 13px 13px 0;
    border-color: transparent var(--brand) transparent transparent;
}

.hero-notice-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 15px;
    background: var(--brand);
    color: #fff;
    font-weight: 700;
    font-size: 12.5px;
    letter-spacing: 2px;
    white-space: nowrap;
}

.hero-notice-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
    animation: noticePulse 2s ease-out infinite;
}

@keyframes noticePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(255, 255, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

@keyframes noticeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.hero-notice-text {
    display: inline-flex;
    align-items: center;
    padding: 0 16px;
    color: var(--text-3);
}

.hero-notice-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 16px;
    border-left: 1px solid var(--line);
    color: var(--brand);
    font-weight: 700;
    white-space: nowrap;
    transition: background 0.25s ease, color 0.25s ease;
}

.hero-notice-link i {
    font-size: 11px;
    transition: transform 0.25s ease;
}

.hero-notice-link:hover {
    background: #eff5ff;
}

.hero-notice-link:hover i {
    transform: translateX(3px);
}

/* 移动端：公告图标（桌面隐藏） */
.hero-notice-btn {
    display: none;
}

.hero-notice-badge {
    display: none;
}

@media screen and (max-width: 900px) {
    .hero-notice-btn {
        position: absolute;
        top: 12px;
        right: 12px;
        z-index: 90;
        display: grid;
        place-items: center;
        width: 42px;
        height: 42px;
        background: transparent;
        border: 0;
        color: var(--brand);
        font-size: 21px;
        line-height: 1;
        cursor: pointer;
    }

    .hero-notice-btn:active {
        color: var(--brand-dark);
    }

    .hero-notice-badge {
        position: absolute;
        top: -5px;
        right: -5px;
        display: grid;
        place-items: center;
        min-width: 18px;
        height: 18px;
        padding: 0 4px;
        background: #ff3b30;
        color: #fff;
        font-size: 11px;
        font-weight: 700;
        line-height: 1;
        border-radius: 999px;
        border: 2px solid #fff;
    }

    .hero-notice-btn.read .hero-notice-badge {
        display: none;
    }

    .hero-notice {
        position: absolute;
        top: 62px;
        left: 12px;
        right: 12px;
        display: none;
        height: auto;
        max-width: none;
        flex-wrap: wrap;
        font-size: 12px;
        z-index: 25;
    }

    .hero-notice.show {
        display: inline-flex;
    }

    .hero-notice-text {
        padding: 8px 14px;
    }

    .hero-notice-link {
        border-left: 0;
        padding: 6px 14px;
    }
}

/* 产品页 HERO（box / chat / 123）：左对齐、收窄正文、通栏轮播 */
.hero--product {
    padding: 84px 0 64px;
    text-align: center;
}

.hero--product .hero-title {
    /* font-size: clamp(26px, 3.4vw, 44px); */
    /* line-height: 1.25; */
}

.hero--product .hero-desc {
    max-width: 1440px;
    margin: 22px auto 0;
    font-size: 17px;
    line-height: 2.2;
    color: #68666e;
}

.hero--product .hero-carousel {
    margin-top: 56px;
}

.phero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 32px;
}

.phero-actions .btn-demo1 {
    margin: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

/* 左上角 + 右上角：蓝点网格（各自向中间斜向渐隐，中间留白） */
.hero::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    height: 280px;
    background-image: radial-gradient(rgba(46, 130, 239, 0.26) 1.1px, transparent 1.2px);
    background-size: 22px 22px;
    -webkit-mask-image: linear-gradient(135deg, #000 0%, transparent 24%), linear-gradient(225deg, #000 0%, transparent 24%);
    mask-image: linear-gradient(135deg, #000 0%, transparent 24%), linear-gradient(225deg, #000 0%, transparent 24%);
    pointer-events: none;
    z-index: 0;
}

.hero-bubble {
    position: absolute;
    top: 420px;
    border-radius: 50%;
    background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, .55) 0%, rgba(120, 180, 255, .30) 40%, rgba(46, 130, 239, .10) 70%, transparent 76%);
    border: 1px solid rgba(46, 130, 239, .16);
    opacity: 0;
    pointer-events: none;
    z-index: 0;
    --dx: 0px;
    animation: bubbleRise var(--dur, 22s) linear infinite;
    animation-delay: var(--delay, 0s);
}

.hero-bubble:nth-child(1) { width: 42px; height: 42px; left: 4%; --dur: 24s; --delay: 0s; --bo: .30; }
.hero-bubble:nth-child(2) { width: 74px; height: 74px; left: 12%; --dur: 28s; --delay: 3.5s; --bo: .20; }
.hero-bubble:nth-child(3) { width: 26px; height: 26px; left: 20%; --dur: 19s; --delay: 1.5s; --bo: .35; }
.hero-bubble:nth-child(4) { width: 56px; height: 56px; left: 28%; --dur: 25s; --delay: 6s; --bo: .24; }
.hero-bubble:nth-child(5) { width: 34px; height: 34px; left: 36%; --dur: 21s; --delay: 0.8s; --bo: .32; }
.hero-bubble:nth-child(6) { width: 88px; height: 88px; left: 44%; --dur: 30s; --delay: 4.5s; --bo: .16; }
.hero-bubble:nth-child(7) { width: 46px; height: 46px; left: 52%; --dur: 23s; --delay: 2s; --bo: .28; }
.hero-bubble:nth-child(8) { width: 30px; height: 30px; left: 60%; --dur: 20s; --delay: 5.5s; --bo: .30; }
.hero-bubble:nth-child(9) { width: 62px; height: 62px; left: 68%; --dur: 27s; --delay: 1s; --bo: .22; }
.hero-bubble:nth-child(10) { width: 24px; height: 24px; left: 75%; --dur: 18s; --delay: 7s; --bo: .36; }
.hero-bubble:nth-child(11) { width: 52px; height: 52px; left: 82%; --dur: 26s; --delay: 2.5s; --bo: .25; }
.hero-bubble:nth-child(12) { width: 38px; height: 38px; left: 89%; --dur: 22s; --delay: 6.5s; --bo: .28; }
.hero-bubble:nth-child(13) { width: 80px; height: 80px; left: 7%; --dur: 29s; --delay: 8s; --bo: .17; }
.hero-bubble:nth-child(14) { width: 28px; height: 28px; left: 33%; --dur: 17s; --delay: 9.5s; --bo: .34; }
.hero-bubble:nth-child(15) { width: 66px; height: 66px; left: 57%; --dur: 24s; --delay: 10.5s; --bo: .20; }
.hero-bubble:nth-child(16) { width: 22px; height: 22px; left: 94%; --dur: 19s; --delay: 11.5s; --bo: .36; }

@keyframes bubbleRise {
    0% { transform: translate(0, 0); opacity: 0; }
    6% { opacity: var(--bo, .3); }
    92% { opacity: var(--bo, .3); }
    100% { transform: translate(var(--dx, 0px), -1650px); opacity: 0; }
}

.hero-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
    line-height: 1.2;
}

.hero-badge-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
    background: url(/static/80.png) center / contain no-repeat;
}

.hero-badge b {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--ink);
}

.hero-badge i {
    margin-top: 6px;
    font-style: normal;
    font-size: 13px;
    color: var(--text-3);
    letter-spacing: 0.3px;
}

.hero-badge .badge--dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, .16);
}

.badge-dot {
    display: inline-block;
    vertical-align: middle;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, .16);
    animation: badgeBreath 2s ease-in-out infinite;
}

@keyframes badgeBreath {

    0%,
    100% {
        box-shadow: 0 0 0 2px rgba(34, 197, 94, .38);
        opacity: 1;
    }

    50% {
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
        opacity: .55;
    }
}

.hero-title {
    font-size: clamp(42px,4.6vw,66px);
    font-weight: 400;
    color: var(--text);
    line-height: 1.22;
    letter-spacing: -1.6px;
    margin-bottom: 0;
}

.hero-line {
    display: block;
    width: 500px;
    max-width: 100%;
    height: 2px;
    margin: 24px auto 26px;
    background: linear-gradient(90deg, transparent, var(--brand), transparent);
}

.hero-head {
    position: relative;
    overflow: hidden;
}

.grad-text {
    background: linear-gradient(90deg, #2e82ef 0%, #6aa8f5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-features {
    color: var(--text-3);
    font-size: 15px;
    line-height: 2;
    letter-spacing: 1px;
    margin: 0 auto 18px;
}

.tw-wrapper {
    font-size: 22px;
    color: var(--text);
    min-height: 1.8em;
    display: flex;
    justify-content: center;
    align-items: baseline;
    margin-bottom: 46px;
}

.tw-static {
    color: var(--text-2);
    font-weight: 400;
}

.tw-dynamic {
    color: var(--tw-highlight, var(--primary));
    font-weight: 700;
}

.tw-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--tw-highlight, var(--primary));
    margin-left: 3px;
    vertical-align: -2px;
    animation: twBlink 1s step-start infinite;
}

@keyframes twBlink {
    50% { opacity: 0; }
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 38px;
    background-color: var(--brand);
    background-image: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9));
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: 0 3px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    border: 1px solid rgba(46, 130, 239, 0.3);
    transition: background-size 0.32s ease, border-color 0.25s ease, color 0.25s ease;
}

.hero-btn:hover {
    border-color: var(--brand);
    background-size: 100% 3px;
}

.hero-btn--ghost {
    background-color: #fff;
    background-image: linear-gradient(var(--brand), var(--brand));
    color: var(--ink);
    border-color: var(--line);
}

.hero-btn--ghost:hover {
    border-color: var(--brand);
    color: var(--brand-dark);
    background-size: 100% 3px;
}

/* ========== 三大能力条（老版） ========== */
.GEZI-feature-row {
    display: flex;
    align-items: stretch;
    justify-content: center;
    width: 100%;
    margin: 6px auto 52px;
    border-radius: var(--radius);
    padding: 32px 14px;
    background: url(/static/3rbg.png) no-repeat 50% / 100% 100%;
}

.GEZI-feature-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 26px;
    margin: -8px 0;
    border-radius: 14px;
    text-align: left;
}

.GEZI-feature-icon {
    position: relative;
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.GEZI-feature-icon::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 96px;
    height: 96px;
    background: url(/static/shape.svg) center / contain no-repeat;
    transition: transform .7s cubic-bezier(.22, .61, .36, 1);
    z-index: 0;
}

.GEZI-feature-icon::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 58px;
    height: 58px;
    background: var(--shape2, url(/static/services-shape-1.svg)) center / contain no-repeat;
    z-index: 1;
}

.GEZI-feature-row .GEZI-feature-item:nth-child(1) .GEZI-feature-icon {
    --shape2: url(/static/services-shape-1.svg);
}

.GEZI-feature-row .GEZI-feature-item:nth-child(3) .GEZI-feature-icon {
    --shape2: url(/static/services-shape-2.svg);
}

.GEZI-feature-row .GEZI-feature-item:nth-child(5) .GEZI-feature-icon {
    --shape2: url(/static/services-shape-3.svg);
}

.GEZIICO {
    position: relative;
    z-index: 2;
    color: #fff;
}

.GEZI-feature-item:hover .GEZI-feature-icon::before {
    transform: translate(-50%, -50%) rotate(28deg);
}

.GEZI-feature-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
}

.GEZI-feature-desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.65;
}

.GEZI-divider {
    width: 1px;
    background: linear-gradient(180deg, #ffffff 0%, #c9d4e4 50%, #ffffff 100%);
    margin: 6px 0;
}

/* ========== 演示按钮（老版 hover 菜单） ========== */
.btn-demo1 {
    display: inline-block;
    background-color: var(--brand);
    background-image: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9));
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: 0 3px;
    color: #fff;
    font-size: 16px;
    padding: 14px 44px;
    border-radius: 0;
    margin: 10px;
    border: 1px solid var(--brand);
    transition: background-size 0.32s ease, border-color 0.25s ease;
}

.btn-demo1:hover {
    border-color: var(--brand);
    background-size: 100% 3px;
}

.btn-demo1.light-btn {
    background-color: #fff;
    background-image: linear-gradient(var(--brand), var(--brand));
    color: var(--text);
    border-color: #d0d5dd;
}

.btn-demo1.light-btn:hover {
    border-color: var(--brand);
    background-size: 100% 3px;
}

.btn-demo-wrap {
    position: relative;
    display: inline-block;
    margin: 10px;
    vertical-align: top;
}

.btn-demo-wrap .btn-demo1 {
    margin: 0;
}

.demo-menu {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 0px;
    transform: translateY(10px);
    width: 252px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s ease, transform .35s cubic-bezier(.22, .61, .36, 1), visibility .35s;
    z-index: 40;
}

.btn-demo-wrap:hover .demo-menu,
.btn-demo-wrap.open .demo-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.demo-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 11px 14px;
    border-radius: 0;
    color: var(--text);
    font-size: 14px;
    transition: all .25s ease;
}

.demo-menu-item:hover {
    background: var(--blue-tint);
    color: var(--primary);
}

.demo-menu-main {
    display: inline-flex;
    align-items: center;
}

.demo-tag {
    display: inline-block;
    background: var(--blue-tint);
    color: var(--primary);
    font-size: 11px;
    line-height: 16px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 8px;
}

.demo-arrow {
    color: var(--primary);
    font-size: 13px;
}

.demo-note {
    text-align: center;
    color: var(--text-3);
    font-size: 12px;
    padding: 9px 10px 5px;
    border-top: 1px dashed var(--border);
    margin-top: 6px;
}

.demo-btn-with-badge {
    position: relative;
}

.demo-free-badge {
    position: absolute;
    top: -9px;
    right: -9px;
    padding: 2px 9px;
    background: #f4511e;
    color: #fff;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.5px;
    line-height: 1.7;
    border-radius: 0;
    white-space: nowrap;
}

/* 轮播容器 */
.hero-carousel {
    position: relative;
    width: 100%;
    margin: 54px auto 0;
}

.carousel {
    position: relative;
}

.hc-viewport {
    overflow: hidden;
    padding: 12px 0 6px;
}

.hc-track {
    display: flex;
    align-items: center;
    gap: 0;
    transition: transform 0.62s cubic-bezier(0.22, 0.61, 0.36, 1);
    will-change: transform;
}

.hc-slide {
    flex: 0 0 auto;
    width: 54%;
    padding: 0 12px;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease, filter 0.5s ease;
    transform: scale(0.9);
    filter: saturate(0.85);
}

.hc-slide.active,
.hc-slide.side {
    opacity: 1;
}

.hc-slide.active {
    transform: scale(1);
    filter: none;
}

.hc-macbar {
    position: relative;
    display: flex;
    align-items: center;
    height: 36px;
    padding: 0 16px;
    background: #f2f5fa;
    border: 1px solid var(--line);
    border-bottom: 0;
    border-radius: 12px 12px 0 0;
}

.hc-macdots {
    display: inline-flex;
    gap: 6px;
}

.hc-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d6dbe4;
}

.hc-dot-red {
    background: #ff5f57;
}

.hc-dot-yellow {
    background: #febc2e;
}

.hc-dot-green {
    background: #28c840;
}

.hc-caption {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ink-3);
    pointer-events: none;
}

.hc-media {
    border: 1px solid var(--line);
    border-radius: 0 0 12px 12px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 30px 70px -34px rgba(12, 17, 31, 0.36);
}

.hc-media img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    z-index: 4;
    width: 46px;
    height: 46px;
    transform: translateY(-50%);
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 0 10px 26px -12px rgba(12, 17, 31, 0.3);
    color: var(--ink);
    transition: var(--ease);
}

.slider-arrow:hover {
    color: var(--brand);
    border-color: var(--brand);
}

.arrow-left {
    left: 8%;
}

.arrow-right {
    right: 8%;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 26px;
}

.slider-dots .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #cbd3e0;
    cursor: pointer;
    transition: var(--ease);
}

.slider-dots .dot.active {
    width: 24px;
    border-radius: 4px;
    background: var(--brand);
}

/* ========== 产品卡片（参考模板 module-card） ========== */
.module-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.module-card {
    border: 1px solid var(--line);
    background: #fff;
    padding: 32px 28px;
    position: relative;
    transition: var(--ease);
}

.module-card::before {
    content: "";
    position: absolute;
    left: 28px;
    top: -1px;
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), var(--brand-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.26s ease;
}

.module-card:hover {
    transform: translateY(-3px);
    border-color: #d9e1f0;
    box-shadow: 0 26px 50px -34px rgba(12, 17, 31, 0.3);
}

.module-card:hover::before {
    transform: scaleX(1);
}

.module-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(46, 130, 239, 0.14), rgba(11, 121, 208, 0.06));
    border: 1px solid var(--line-brand);
    color: var(--brand-dark);
    font-size: 19px;
    margin-bottom: 20px;
}

.module-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.module-card p {
    color: var(--ink-2);
    font-size: 14.5px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.module-link {
    color: var(--brand-dark);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.module-link:hover {
    color: var(--brand);
}

.cap-body .hero-btn {
    margin-top: 38px;
}

/* ========== 功能特性（老版底座图标） ========== */
.feature-overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-overview-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 34px 26px 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-overview-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 26px 54px -30px rgba(12, 17, 31, 0.34);
    border-color: rgba(46, 130, 239, 0.4);
}

.feature-overview-icon {
    position: relative;
    width: 96px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
}

.feature-overview-icon::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 124px;
    height: 124px;
    background: url(/static/shape.svg) center / contain no-repeat;
    transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
    z-index: 0;
}

.feature-overview-icon::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 74px;
    height: 74px;
    background: var(--shape2, url(/static/services-shape-1.svg)) center / contain no-repeat;
    z-index: 1;
}

.feature-overview-item:nth-child(3n+1) .feature-overview-icon {
    --shape2: url(/static/services-shape-1.svg);
}

.feature-overview-item:nth-child(3n+2) .feature-overview-icon {
    --shape2: url(/static/services-shape-2.svg);
}

.feature-overview-item:nth-child(3n+0) .feature-overview-icon {
    --shape2: url(/static/services-shape-3.svg);
}

.feature-overview-icon i {
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: 26px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.14);
}

.feature-overview-item:hover .feature-overview-icon::before {
    transform: translate(-50%, -50%) rotate(28deg);
}

.feature-overview-content h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 10px;
}

.feature-overview-content p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--ink-2);
}

/* ========== 系统能力（Tab 展示） ========== */
.cap {
    display: block;
}

.cap-tabs {
    display: grid;
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 34px;
}

.cap-tab {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 13px 4px;
    font-size: clamp(12px, 0.92vw, 15px);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.cap-tab::before {
    content: "→";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%) translateX(14px);
    font-size: 15px;
    color: var(--brand);
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.cap-tab:hover::before {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.cap-tab.active::before {
    color: #fff;
}

.cap-tab::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 22px 22px 0;
    border-color: transparent #361cc1 transparent transparent;
    transform: translate(22px, -22px);
    transition: transform 0.28s ease;
}

.cap-tab:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.cap-tab.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.cap-tab:hover::after,
.cap-tab.active::after {
    transform: translate(0, 0);
}

/* 横排菜单：仅隐藏箭头（→），保留激活项的几何角标点缀 */
.cap-tabs .cap-tab::before {
    display: none;
}

.cap-panels {
    margin-top: 0;
}

@media screen and (max-width: 900px) {
    .cap-tabs {
        grid-template-columns: repeat(auto-fit, minmax(78px, 1fr));
        margin-bottom: 26px;
    }
}

@media screen and (max-width: 560px) {
    .cap-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
}

.cap-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.cap-panel.active {
    display: grid;
    animation: capIn 0.4s ease;
}

@keyframes capIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.cap-body h3 {
    font-size: 26px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

.cap-body p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--ink-2);
}

.cap-body .module-link {
    margin-top: 24px;
}

/* Mac 浏览器窗口 */
.mac {
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 30px 70px -36px rgba(12, 17, 31, 0.34);
}

.mac-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 16px;
    background: #f2f5fa;
    border-bottom: 1px solid var(--line);
}

.mac-bar i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d6dbe4;
}

.mac-bar i.r {
    background: #ff5f57;
}

.mac-bar i.y {
    background: #febc2e;
}

.mac-bar i.g {
    background: #28c840;
}

.mac-body img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

/* 系统能力：图片按原始尺寸显示，小图居中不拉伸 */
.cap-media .mac-body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 220px;
    background: #f7f9fc;
}

.cap-media .mac-body img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 440px;
    aspect-ratio: auto;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 14px 34px -20px rgba(12, 17, 31, 0.45);
}

/* ========== 套餐 ========== */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    align-items: start;
}

.plan {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 38px 32px;
    background: #fff;
    border: 1px solid var(--line);
    transition: var(--ease);
}

.plan:hover {
    transform: translateY(-3px);
    box-shadow: 0 30px 60px -38px rgba(12, 17, 31, 0.34);
}

.plan--hot {
    border-color: var(--brand);
}

.plan-flag {
    position: absolute;
    top: -1px;
    right: -1px;
    padding: 6px 16px;
    background: var(--brand);
    color: #fff;
    font-size: 12px;
    letter-spacing: 2px;
}

.plan-name {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    font-size: 21px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 1px;
}

.plan-name::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), transparent);
}

.plan-name span {
    padding: 3px 10px;
    border: 1px solid var(--line);
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-3);
    letter-spacing: 1px;
}

.plan-sub {
    margin-top: 10px;
    font-size: 13.5px;
    color: var(--text-muted);
}

.plan-price {
    position: relative;
    margin-top: 22px;
    display: flex;
    align-items: baseline;
    gap: 8px;
    color: var(--ink);
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.plan-price::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 2px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
}

.plan:hover .plan-price::after {
    transform: scaleX(1);
}

.plan-price b {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.plan-price b i {
    font-style: normal;
    font-size: 20px;
    font-weight: 600;
    color: var(--brand);
}

.plan-price small {
    font-size: 12.5px;
    color: var(--text-muted);
}

.plan-price del {
    color: var(--text-muted);
}

.plan .hero-btn {
    margin-top: 26px;
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 15px;
}

.plan-list {
    margin-top: 26px;
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.plan-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
    color: var(--ink-2);
}

.plan-list i.fa-circle-check {
    color: var(--brand);
}

.plan-list i.fa-circle-xmark {
    color: #cfd6e0;
}

.plan-list .val {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--brand);
}

/* ========== 更新日志 ========== */
.log-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-bottom: 60px;
}

.log-stat {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    background: #fff;
    padding: 30px 30px 28px;
    transition: var(--ease);
}

.log-stat::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 3px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: 2;
}

.log-stat:hover {
    border-color: var(--brand);
}

.log-stat:hover::before {
    transform: scaleX(1);
}

.log-stat-ic {
    position: absolute;
    top: 6px;
    right: 16px;
    width: auto;
    height: auto;
    background: none;
    border: 0;
    color: rgba(46, 130, 239, 0.1);
    font-size: 86px;
    line-height: 1;
    z-index: 0;
}

.log-stat-num {
    position: relative;
    z-index: 1;
    font-size: 46px;
    font-weight: 800;
    line-height: 1;
    color: var(--ink);
    letter-spacing: -1px;
}

.log-stat-num .unit {
    margin-left: 5px;
    font-size: 16px;
    font-weight: 600;
    color: var(--brand);
}

.log-stat-label {
    position: relative;
    z-index: 1;
    margin-top: 16px;
    font-size: 13.5px;
    color: var(--ink-2);
    letter-spacing: 0.5px;
}

.tl {
    position: relative;
    max-width: 900px;
}

.tl::before {
    content: "";
    position: absolute;
    left: 170px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, var(--line-brand), var(--line), var(--line-brand));
}

.tl-item {
    position: relative;
    display: grid;
    grid-template-columns: 150px 1fr;
    column-gap: 40px;
    padding-bottom: 34px;
}

.tl-item:last-child {
    padding-bottom: 0;
}

.tl-dot {
    position: absolute;
    left: 170px;
    top: 6px;
    transform: translateX(-50%);
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--brand);
    box-shadow: 0 0 0 3px rgba(46, 130, 239, 0.14);
    z-index: 1;
}

.tl-head {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    text-align: right;
}

.tl-ver {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.5px;
}

.tl-date {
    padding: 3px 12px;
    background: #ffffff;
    border: 1px solid var(--line);
    font-size: 12.5px;
    color: var(--text-muted);
    font-family: Consolas, monospace;
}

.tl-body {
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--ink-2);
}

@media screen and (max-width: 640px) {
    .tl-item {
        grid-template-columns: 1fr;
        padding-left: 26px;
    }

    .tl-head {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
        margin-bottom: 10px;
    }

    .tl-dot,
    .tl::before {
        left: 5px;
    }

    .tl-dot {
        transform: none;
    }
}

.logs-more {
    margin-top: 52px;
}

/* ========== 常见问题 ========== */
.faq-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.faq-intro {
    position: relative;
    overflow: hidden;
    padding-top: 26px;
}

.faq-title {
    position: relative;
    z-index: 1;
    font-size: 32px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.28;
    letter-spacing: 0.5px;
}

.faq-desc {
    position: relative;
    z-index: 1;
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink-2);
}

.faq-links {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.faq-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--brand-dark);
    letter-spacing: 1px;
}

.faq-link i {
    transition: transform 0.26s ease;
}

.faq-link:hover i {
    transform: translateX(5px);
}

.acc {
    border: 1px solid var(--line);
    background: #fff;
}

.acc-item {
    position: relative;
}

.acc-item::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
    z-index: 1;
}

.acc-item:hover::after {
    transform: scaleX(1);
}

.acc-item+.acc-item {
    border-top: 1px solid var(--line);
}

.acc-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 21px 24px;
    text-align: left;
    font-size: 15.5px;
    font-weight: 600;
    color: var(--ink);
    transition: var(--ease);
}

.acc-btn .q {
    color: var(--brand);
}

.acc-btn .plus {
    margin-left: auto;
    color: var(--text-muted);
    transition: transform 0.26s ease, color 0.26s ease;
}

.acc-item.open .acc-btn {
    color: var(--brand-dark);
}

.acc-item.open .acc-btn .plus {
    transform: rotate(45deg);
    color: var(--brand);
}

.acc-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.acc-body p {
    padding: 0 24px 24px 52px;
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--ink-2);
}

/* ========== 客户案例 ========== */
/* 客户案例模块：复刻 HERO 背景（顶部两角浅蓝 + 点阵点缀） */
#clients {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(560px 340px at 0% 0%, rgba(46, 130, 239, 0.18), transparent 66%),
        radial-gradient(680px 380px at 100% 0%, rgba(46, 130, 239, 0.18), transparent 66%),
        linear-gradient(180deg, #f4f9ff 0%, #fbfdff 26%, #ffffff 50%, #ffffff 100%);
}

#clients::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    height: 220px;
    background-image: radial-gradient(rgba(46, 130, 239, 0.26) 1.1px, transparent 1.2px);
    background-size: 22px 22px;
    -webkit-mask-image: linear-gradient(135deg, #000 0%, transparent 24%), linear-gradient(225deg, #000 0%, transparent 24%);
    mask-image: linear-gradient(135deg, #000 0%, transparent 24%), linear-gradient(225deg, #000 0%, transparent 24%);
    pointer-events: none;
    z-index: 0;
}

#clients .container {
    position: relative;
    z-index: 1;
}

.cli-head {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 30px 0 18px;
    margin-bottom: 36px;
}

.cli-head::before {
    content: "CASE";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    font-size: clamp(48px, 8vw, 100px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: 0.08em;
    color: rgba(46, 130, 239, 0.09);
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.cli-head .cli-title,
.cli-head .cli-sub {
    position: relative;
    z-index: 1;
}

.cli-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 1px;
}

.cli-sub {
    margin-top: 10px;
    color: var(--ink-3);
    font-size: 14px;
}

.cli-marquee {
    position: relative;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.cli-strip {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    width: max-content;
    animation: cliRun 48s linear infinite;
}

.cli-strip+.cli-strip {
    margin-top: 18px;
}

.cli-marquee:hover .cli-strip {
    animation-play-state: paused;
}

.cli-strip li {
    flex: 0 0 auto;
    margin: 0 8px;
    padding: 12px 30px;
    background-color: #fff;
    background-image: linear-gradient(var(--brand), var(--brand));
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: 0 3px;
    border: 1px solid var(--line);
    border-radius: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink-3);
    letter-spacing: 1px;
    white-space: nowrap;
    transition: var(--ease), background-size 0.32s ease;
}

.cli-strip li:hover {
    border-color: var(--brand);
    background-size: 100% 3px;
}

@keyframes cliRun {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* ========== 右侧页面导航（时间轴节点式） ========== */
.float-right-menu {
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 98;
    display: flex;
    flex-direction: column;
    gap: 22px;
    background: none;
    border: 0;
    padding: 0;
}

.float-right-menu::before {
    content: "";
    position: absolute;
    left: 16px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(46, 130, 239, 0.55) 16%, rgba(46, 130, 239, 0.55) 84%, transparent);
}

.float-menu-item {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 7px 16px 7px 12px;
    /* border-radius: 8px; */
    font-size: 13.5px;
    letter-spacing: 0.5px;
    color: var(--ink-3);
    transition: var(--ease);
}

.float-menu-item .tick {
    flex: none;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #c3cfe3;
    transition: var(--ease);
}

.float-menu-item:hover {
    color: var(--brand-dark);
    background: linear-gradient(90deg, rgba(46, 130, 239, 0.08), rgba(46, 130, 239, 0));
}

.float-menu-item:hover .tick {
    background: var(--brand);
}

.float-menu-item.active {
    color: var(--brand-dark);
    font-weight: 700;
    background: linear-gradient(90deg, rgba(46, 130, 239, 0.38), rgba(46, 130, 239, 0));
}

.float-menu-item.active .tick {
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 0 0 4px rgba(46, 130, 239, 0.18);
}

/* 大屏：内容与右侧悬浮导航保持间距 */
@media screen and (min-width: 1181px) {
    .container {
        padding-left: clamp(40px, 3.2vw, 80px);
        padding-right: clamp(135px, 7vw, 190px);
    }
}

/* ========== 悬浮客服与回顶（参考模板） ========== */
.float-tool {
    position: fixed;
    right: 24px;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: center;
    z-index: 98;
}

.float-customer {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    position: relative;
    transition: var(--ease);
}

.float-customer:hover {
    transform: translateY(-2px);
    background: var(--brand-dark);
}

.float-im {
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--ease);
}

.float-im:hover {
    transform: translateY(-2px);
    background: var(--brand-dark);
}

.float-tip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    padding: 6px 12px;
    background: #0b1020;
    color: #eaf1ff;
    font-size: 12px;
    letter-spacing: 0.5px;
    white-space: nowrap;
    border: 1px solid rgba(46, 130, 239, 0.4);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 2;
}

.float-tip::after {
    content: "";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: #0b1020;
}

.float-customer:hover .float-tip,
.float-im:hover .float-tip,
.float-top:hover .float-tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.float-customer::after {
    content: "";
    position: absolute;
    inset: -5px;
    border: 1px solid rgba(46, 130, 239, 0.45);
    border-radius: 50%;
    animation: pulse 2.6s infinite ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.85;
    }

    100% {
        transform: scale(1.16);
        opacity: 0;
    }
}

.float-top {
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #dde3ee;
    color: var(--ink);
    font-size: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--ease);
}

.float-top:hover {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    transform: translateY(-2px);
}

/* ========== 客服模态 ========== */
.mdl {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(7, 11, 20, 0.58);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s;
}

.mdl.open {
    opacity: 1;
    visibility: visible;
}

.mdl-box {
    position: relative;
    width: 100%;
    max-width: 760px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #fff;
    box-shadow: 0 40px 80px -30px rgba(7, 11, 20, 0.6);
    transform: translateY(14px) scale(0.98);
    transition: transform 0.28s ease;
}

.mdl.open .mdl-box {
    transform: none;
}

.mdl-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 3;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: #eef2f8;
    color: var(--ink-2);
    font-size: 16px;
    cursor: pointer;
    transition: var(--ease);
}

.mdl-close:hover {
    background: var(--brand);
    color: #fff;
}

.mdl-left {
    padding: 48px 40px;
    background: var(--bg-side-main);
    color: #fff;
    position: relative;
}

.mdl-left::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(46, 130, 239, 0.1), transparent 55%);
    pointer-events: none;
}

.mdl-left h4 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.mdl-left p {
    margin-top: 12px;
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.mdl-list {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.mdl-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.06);
    border-left: 2px solid var(--brand);
}

.mdl-list li i {
    width: 30px;
    height: 30px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    background: rgba(46, 130, 239, 0.16);
    color: var(--brand-light);
    font-size: 13px;
}

.mdl-list li span {
    font-size: 13px;
    color: var(--text-secondary);
}

.mdl-list li b {
    margin-left: auto;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    font-family: Consolas, monospace;
}

.mdl-im-btn {
    position: relative;
    z-index: 1;
    margin-top: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 22px;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1.5px;
    transition: var(--ease);
}

.mdl-im-btn i {
    font-size: 16px;
}

.mdl-im-btn:hover {
    background: #fff;
    color: var(--brand);
}

.mdl-right {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    justify-content: center;
}

.qr {
    text-align: center;
}

.qr img {
    width: 132px;
    height: 132px;
    object-fit: contain;
    margin: 0 auto;
    border: 1px solid var(--line);
    padding: 6px;
    background: #fff;
}

.qr p {
    margin-top: 12px;
    font-size: 13px;
    color: var(--ink-2);
}

.qr b {
    color: blue;
    /* font-family: Consolas, monospace; */
}

/* ========== 图片灯箱 ========== */
.lbox {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: grid;
    place-items: center;
    padding: 40px;
    background: rgba(7, 11, 20, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s;
    cursor: zoom-out;
}

.lbox.open {
    opacity: 1;
    visibility: visible;
}

.lbox-img {
    max-width: 100%;
    max-height: 88vh;
    width: auto;
    box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7);
    transform: scale(0.97);
    transition: transform 0.28s ease;
}

.lbox.open .lbox-img {
    transform: scale(1);
}

@media screen and (max-width: 640px) {
    .lbox {
        padding: 12px;
    }
}

.lbox-close {
    position: absolute;
    top: 24px;
    right: 28px;
    z-index: 2;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.lbox-close:hover {
    background: rgba(255, 255, 255, 0.32);
}

/* ========== 页脚 ========== */
.site-footer {
    background: #070b14;
    color: var(--text-secondary);
    border-top: 1px solid var(--line-sub);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(46, 130, 239, 0.06), transparent 40%);
    pointer-events: none;
}

.sf-top {
    position: relative;
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.1fr;
    gap: 24px;
    padding: 68px 0 44px;
}

/* 页脚容器：页脚区没有悬浮导轨，右侧不留预留，左右等距铺满全宽 */
.site-footer .container {
    padding-left: clamp(40px, 3.2vw, 80px);
    padding-right: clamp(40px, 3.2vw, 80px);
}

.sf-brand img {
    height: 34px;
    width: auto;
    margin-bottom: 20px;
}

.sf-brand p {
    max-width: 90%;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--text-muted);
}

.sf-qr {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 0;
}

.sf-qr figure {
    text-align: center;
}

.sf-qr img {
    width: 92px;
    height: 92px;
    object-fit: contain;
    padding: 5px;
    background: #fff;
}

.sf-qr figcaption {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.sf-col h5 {
    font-size: 14.5px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.sf-col h5::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), transparent);
}

.sf-col li {
    margin-bottom: 12px;
}

.sf-col a {
    font-size: 13.5px;
    color: var(--text-muted);
}

.sf-col a:hover {
    color: var(--brand-light);
}

.sf-links {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 24px;
    /* padding-bottom: 22px; */
    font-size: 12.5px;
}

.sf-links-t {
    color: rgba(255, 255, 255, 0.28);
    letter-spacing: 1px;
}

.sf-links a {
    color: rgba(255, 255, 255, 0.18);
    transition: var(--ease);
}

.sf-links a:hover {
    color: var(--brand-light);
}

.sf-bottom {
    position: relative;
    border-top: 1px solid var(--line-sub);
    padding: 22px 0;
    font-size: 12.5px;
    line-height: 1.9;
    color: var(--text-muted);
    text-align: center;
}

/* ========== 揭幕 ========== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
}

.reveal.in {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1200px) {
    .module-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .feature-overview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 900px) {
    .mobile-menu-btn {
        display: flex;
    }

    .sidebar {
        left: -280px;
        transition: left 0.3s ease;
    }

    .sidebar.open {
        left: 0;
    }

    .main-wrap {
        margin-left: 0;
    }

    .hero {
        padding: 72px 0 48px;
    }

    .GEZI-feature-row {
        flex-direction: column;
        padding: 24px 18px;
    }

    .GEZI-feature-item {
        margin: 0;
    }

    .GEZI-divider {
        width: 100%;
        height: 1px;
        margin: 6px 0;
        background: linear-gradient(90deg, transparent, #c9d4e4, transparent);
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .float-right-menu {
        display: none;
    }

    .module-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .plan-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }

    .log-stats {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cap-panel.active {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .sf-top {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .sf-brand {
        grid-column: 1 / -1;
    }

    /* 移动端不显示友情链接 */
    .sf-links,
    .sf-bottom {
        display: none;
    }
}

@media screen and (max-width: 640px) {
    .module-section {
        padding: 72px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .hero-title {
        font-size: 30px;
    }

    .hero-btn {
        padding: 14px 26px;
        font-size: 15px;
    }

    .btn-demo-wrap {
        display: block;
        max-width: 300px;
        margin: 8px auto;
    }

    .btn-demo-wrap .btn-demo1 {
        display: block;
        width: 100%;
    }

    .demo-menu {
        left: 0;
        right: 0;
        transform: translateY(10px);
        margin: 0 auto;
    }

    .btn-demo-wrap:hover .demo-menu,
    .btn-demo-wrap.open .demo-menu {
        transform: translateY(0);
    }

    .module-grid {
        grid-template-columns: 1fr;
    }

    .feature-overview-grid {
        grid-template-columns: 1fr;
    }

    .cap-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .cap-tabs::-webkit-scrollbar {
        display: none;
    }

    .hc-slide {
        width: 78%;
        padding: 0 8px;
    }

    .arrow-left {
        left: 3%;
    }

    .arrow-right {
        right: 3%;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
    }

    .mdl-box {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .mdl-left {
        padding: 30px 26px;
    }

    .mdl-right {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        padding: 26px;
    }

    .sf-top {
        grid-template-columns: 1fr 1fr;
    }

    /* 联系客服：整行 + 两个二维码并排一行 */
    .sf-top > .sf-col:last-child {
        grid-column: 1 / -1;
    }

    .sf-qr {
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding: 0;
    }
}

/* ========== 内页通用（左内容 + 右侧目录） ========== */
.page-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
    align-items: start;
    width: 100%;
    min-height: 70vh;
    padding: 48px clamp(24px, 4vw, 64px) 84px;
}

@media (min-width: 1181px) {
    .page-wrap {
        padding-left: clamp(40px, 3.2vw, 80px);
        padding-right: clamp(135px, 7vw, 190px);
    }
}

.page-wrap--full {
    grid-template-columns: 1fr;
}

.page-main {
    min-width: 0;
}

.page-side {
    position: sticky;
    top: 28px;
}

@media (max-width: 1024px) {
    .page-wrap {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .page-side {
        position: static;
    }
}

/* 页面标题 */
.page-head {
    margin-bottom: 30px;
}

.page-head h1 {
    font-size: 30px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.page-head p {
    margin-top: 12px;
    font-size: 14.5px;
    line-height: 1.85;
    color: var(--ink-3);
}

/* 面包屑 */
.page-crumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 26px;
    font-size: 13px;
    color: var(--text-3);
}

.page-crumbs a {
    color: var(--text-3);
}

.page-crumbs a:hover {
    color: var(--brand);
}

.page-crumbs i {
    font-size: 10px;
    color: #b8c1d1;
}

/* 内容卡片 */
.page-card {
    border: 1px solid var(--line);
    background: #fff;
    padding: 30px 32px;
}

.page-card+.page-card {
    margin-top: 24px;
}

/* 正文排版 */
.page-body {
    font-size: 15px;
    line-height: 1.95;
    color: var(--ink-2);
}

.page-body h2 {
    position: relative;
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    margin: 30px 0 14px;
    padding-bottom: 12px;
}

.page-body h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), transparent);
}

.page-body h2:first-child {
    margin-top: 0;
}

.page-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin: 24px 0 10px;
}

.page-body p {
    margin: 12px 0;
}

.page-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 18px 0;
}

.page-body a {
    color: var(--brand-dark);
}

.page-body a:hover {
    color: var(--brand);
}

.page-body ul,
.page-body ol {
    margin: 12px 0;
    padding-left: 22px;
}

.page-body li {
    margin: 8px 0;
}

/* 右侧目录卡片 */
.page-side-card {
    border: 1px solid var(--line);
    background: #fff;
    padding: 24px;
}

.page-side-card+.page-side-card {
    margin-top: 20px;
}

.page-side-title {
    position: relative;
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 1px;
    padding-bottom: 14px;
    margin-bottom: 12px;
}

.page-side-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, var(--brand), transparent);
}

.page-side-nav a {
    display: block;
    padding: 9px 0;
    font-size: 13.5px;
    color: var(--ink-3);
    border-bottom: 1px solid var(--line);
    transition: var(--ease);
}

.page-side-nav a:last-child {
    border-bottom: 0;
}

.page-side-nav a:hover {
    color: var(--brand);
    padding-left: 6px;
}

.page-side-nav a.active {
    color: var(--brand);
    font-weight: 700;
}

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

.page-table th,
.page-table td {
    border: 1px solid var(--line);
    padding: 12px 16px;
    text-align: left;
    color: var(--ink-2);
}

.page-table th {
    background: var(--soft);
    color: var(--ink);
    font-weight: 700;
}

/* 列表（新闻/文档/工具等） */
.page-list {
    display: grid;
    gap: 16px;
}

.page-list-item {
    border: 1px solid var(--line);
    background: #fff;
    padding: 22px 24px;
    transition: var(--ease);
}

.page-list-item:hover {
    border-color: var(--brand);
}

.page-list-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
}

.page-list-item h3 a {
    color: inherit;
}

.page-list-item h3 a:hover {
    color: var(--brand);
}

.page-list-item p {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--ink-3);
}

.page-list-meta {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 12.5px;
    color: var(--text-3);
}

/* 内页分页 */
.page-pager {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.page-pager a,
.page-pager span {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: #fff;
    font-size: 13.5px;
    color: var(--ink-3);
    transition: var(--ease);
}

.page-pager a:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.page-pager .active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

/* 标签 */
.page-tags {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tag {
    display: inline-block;
    padding: 3px 12px;
    border: 1px solid var(--line);
    font-size: 12px;
    color: var(--brand-dark);
    transition: var(--ease);
}

.page-tag:hover {
    border-color: var(--brand);
    color: var(--brand);
}

/* ===== 文档目录树（doc / doccontent） ===== */
.doc-search {
    display: flex;
    margin-bottom: 16px;
}

.doc-search input {
    flex: 1;
    min-width: 0;
    height: 40px;
    padding: 0 14px;
    border: 1px solid var(--line);
    background: #fff;
    font-size: 13.5px;
    color: var(--ink);
}

.doc-search button {
    width: 46px;
    height: 40px;
    border: 0;
    background: var(--brand);
    color: #fff;
    cursor: pointer;
}

.doc-tree {
    max-height: 58vh;
    overflow: auto;
}

.doc-group-name {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 0;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--ink);
    cursor: pointer;
    border-bottom: 1px solid var(--line);
}

.doc-group-name i {
    font-size: 10px;
    color: var(--brand);
    transition: transform 0.25s ease;
}

.doc-group.open .doc-group-name i {
    transform: rotate(90deg);
}

.doc-links {
    display: none;
    padding: 6px 0 12px 18px;
}

.doc-group.open .doc-links {
    display: block;
}

.doc-links a {
    display: block;
    padding: 7px 0;
    font-size: 13px;
    color: var(--ink-3);
    transition: var(--ease);
}

.doc-links a:hover {
    color: var(--brand);
    padding-left: 5px;
}

.doc-links a.current {
    color: var(--brand);
    font-weight: 700;
}

.doc-expand {
    float: right;
    font-size: 12px;
    font-weight: 400;
    color: var(--brand);
}

/* ===== 通用栅格 / 图文行 / 横幅 ===== */
.page-grid {
    display: grid;
    gap: 24px;
}

.page-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.page-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.page-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.page-feature {
    border: 1px solid var(--line);
    background: #fff;
    padding: 28px;
    transition: var(--ease);
}

.page-feature:hover {
    border-color: var(--brand);
}

.page-feature-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    font-size: 18px;
    margin-bottom: 16px;
}

.page-feature h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--ink);
}

.page-feature h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 12px;
}

.page-feature p {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.85;
    color: var(--ink-3);
}

.page-num {
    width: 30px;
    height: 30px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.page-banner {
    width: 100%;
    overflow: hidden;
}

.page-banner img {
    width: 100%;
    height: auto;
    display: block;
}

.page-media {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 40px;
    align-items: center;
}

/* 反向行：交换列比例，保证图片列宽与正向行一致（图始终 1fr） */
.page-media--rev {
    grid-template-columns: 1.15fr 1fr;
}

.page-media+.page-media {
    margin-top: 56px;
}

.page-media--rev .page-media-img {
    order: 2;
}

.page-media-img img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--line);
}

.page-media-body h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
}

.page-media-body p {
    margin-top: 14px;
    font-size: 14.5px;
    line-height: 1.95;
    color: var(--ink-2);
}

/* 搜索框 / 工具卡片 */
.page-search {
    display: flex;
    gap: 10px;
    max-width: 560px;
    margin: 0 auto;
}

.page-search input {
    flex: 1;
    min-width: 0;
    height: 48px;
    padding: 0 16px;
    border: 1px solid var(--line);
    background: #fff;
    font-size: 14px;
    color: var(--ink);
}

.page-search button {
    height: 48px;
    padding: 0 22px;
    border: 0;
    background: var(--brand);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
}

.page-tool {
    border: 1px solid var(--line);
    background: #fff;
    padding: 24px 20px;
    text-align: center;
    transition: var(--ease);
}

.page-tool:hover {
    border-color: var(--brand);
}

.page-tool-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    display: grid;
    place-items: center;
}

.page-tool-icon img {
    max-width: 64px;
    max-height: 64px;
}

.page-tool h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
}

.page-tool p {
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--text-3);
    min-height: 18px;
}

.page-tool-btn {
    display: inline-block;
    margin-top: 14px;
    padding: 8px 20px;
    border: 1px solid var(--brand);
    color: var(--brand);
    font-size: 13px;
}

.page-tool-btn:hover {
    background: var(--brand);
    color: #fff;
}

.search-highlight {
    color: var(--brand);
    font-weight: 700;
}

.global-no-results {
    border: 1px solid var(--line);
    background: #fff;
    padding: 40px;
    text-align: center;
    margin-bottom: 24px;
}

.global-no-results h3 {
    font-size: 18px;
    color: var(--ink);
}

.hidden {
    display: none !important;
}

/* 文案复制块（活动页） */
.page-copy {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--line);
    background: #fff;
}

.page-copy-img {
    padding: 24px;
    border-right: 1px solid var(--line);
    display: grid;
    place-items: center;
}

.page-copy-img img {
    max-width: 100%;
}

.page-copy-body {
    padding: 28px;
}

.page-copy-body h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 16px;
}

.page-copy-text {
    margin-top: 16px;
    padding: 16px;
    background: var(--soft);
    border: 1px solid var(--line);
    font-size: 13.5px;
    line-height: 1.9;
    color: var(--ink-2);
    white-space: pre-wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--brand);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 0;
    transition: var(--ease);
}

.page-btn:hover {
    background: var(--brand-dark);
}

.page-btn--ghost {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
}

.page-btn--ghost:hover {
    border-color: var(--brand);
    color: var(--brand-dark);
}

/* 下载卡片 */
.page-download {
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 22px 24px;
    transition: var(--ease);
}

.page-download+.page-download {
    margin-top: 14px;
}

.page-download:hover {
    border-color: var(--brand);
}

.page-download-icon {
    width: 52px;
    height: 52px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    /* background: var(--brand); */
    color: #fff;
    font-size: 20px;
}

.page-download-info {
    flex: 1;
    min-width: 0;
}

.page-download-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
}

.page-download-info p {
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-3);
}

.page-download-btn {
    flex: 0 0 auto;
    padding: 11px 24px;
    background: var(--brand);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    transition: var(--ease);
}

.page-download-btn:hover {
    background: var(--brand-dark);
}

/* 弹层（协议/复制成功） */
.page-layer {
    position: fixed;
    inset: 0;
    z-index: 210;
    display: none;
    place-items: center;
    padding: 24px;
    background: rgba(7, 11, 20, 0.6);
}

.page-layer.open {
    display: grid;
}

.page-layer-box {
    width: 100%;
    max-width: 560px;
    background: #fff;
    box-shadow: 0 40px 80px -30px rgba(7, 11, 20, 0.6);
}

.page-layer-head {
    padding: 16px 22px;
    border-bottom: 1px solid var(--line);
    font-weight: 700;
    color: var(--ink);
}

.page-layer iframe {
    width: 100%;
    height: 60vh;
    border: 0;
    display: block;
}

.page-layer-foot {
    padding: 16px 22px;
    border-top: 1px solid var(--line);
    text-align: right;
}

/* ===== 套餐卡片（box / chat，复用 plan 风格） ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 26px;
}

.pricing-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    background: #fff;
    padding: 32px 28px;
    position: relative;
}

.pricing-card.enterprise,
.pricing-card.community {
    border-color: var(--brand);
}

.pricing-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 800;
    color: var(--ink);
}

.PRICE-tag-btn {
    padding: 3px 10px;
    border: 1px solid var(--line);
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-dark);
}

.pricing-header>p {
    margin-top: 10px;
    font-size: 13.5px;
    color: var(--text-3);
}

.pricing-header .PRICE {
    margin-top: 18px;
    font-size: 40px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.5px;
}

.pricing-header .PRICE span {
    font-size: 13px;
    font-weight: 600;
    color: var(--brand);
    margin-left: 6px;
}

.pricing-header .PRICE del {
    color: var(--text-3);
    font-size: 13px;
}

.badge2 {
    position: absolute;
    top: -1px;
    right: -1px;
    padding: 5px 14px;
    background: var(--brand);
    color: #fff;
    font-size: 12px;
    letter-spacing: 1px;
}

.pricing-btn {
    display: block;
    margin: 22px 0;
    padding: 13px;
    text-align: center;
    border: 1px solid var(--brand);
    color: var(--brand);
    font-size: 15px;
    font-weight: 600;
    transition: var(--ease);
}

.pricing-btn:hover {
    background: var(--brand);
    color: #fff;
}

.pricing-feature {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 0;
    border-top: 1px solid var(--line);
    font-size: 14px;
    color: var(--ink-2);
}

.pricing-feature .feature-label {
    color: var(--ink-2);
}

.pricing-feature .check-icon {
    color: var(--brand);
}

@media (max-width: 900px) {
    .page-grid--2,
    .page-grid--3,
    .page-grid--4 {
        grid-template-columns: 1fr;
    }

    .page-media {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .page-media--rev .page-media-img {
        order: 0;
    }

    .page-copy {
        grid-template-columns: 1fr;
    }

    .page-copy-img {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
}

/* ============================================================
   响应式优化（移动端 + 主流 PC 分辨率）
   ============================================================ */

/* 安全网：避免个别元素撑出横向滚动（clip 不创建滚动容器，不影响 sticky） */
html,
body {
    overflow-x: clip;
}

.hero-desc,
.section-sub,
.page-body p {
    overflow-wrap: break-word;
}

/* 超宽屏（≥1600）：加大留白、右侧目录加宽 */
@media screen and (min-width: 1600px) {

    .page-wrap {
        grid-template-columns: minmax(0, 1fr) 340px;
    }

    .page-wrap--full {
        grid-template-columns: 1fr;
    }
}

/* 窄屏/平板（≤1180）：box/chat/123 的两栏图文改为上下排列，避免挤压 */
@media screen and (max-width: 1180px) {

    .page-media {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .page-media--rev .page-media-img {
        order: 0;
    }
}

/* 平板 / 小屏笔记本（≤1024） */
@media screen and (max-width: 1024px) {

    .module-grid,
    .feature-overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端（≤900） */
@media screen and (max-width: 900px) {
    .container {
        padding-left: 22px;
        padding-right: 22px;
    }

    .hero {
        padding: 60px 0 46px;
    }

    .hero-title,
    .hero--product .hero-title {
        font-size: clamp(42px,4.6vw,66px);
        line-height: 1.3;
        overflow-wrap: break-word;
        letter-spacing: -1.6px;
    }

    .hero-desc,
    .hero--product .hero-desc {
        font-size: 15px;
        line-height: 1.9;
    }

    .hero-features {
        font-size: 13px;
        line-height: 1.9;
    }

    .tw-wrapper {
        flex-wrap: wrap;
        font-size: 17px;
        row-gap: 6px;
    }

    .phero-actions {
        justify-content: center;
    }

    .btn-demo1 {
        padding: 12px 24px;
        font-size: 15px;
        margin: 6px;
    }

    .demo-menu {
        width: auto;
        min-width: 200px;
        max-width: calc(100vw - 32px);
    }

    .page-head h1,
    .section-title {
        font-size: 26px;
    }
}

/* 手机（≤560） */
@media screen and (max-width: 560px) {

    .container,
    .page-wrap {
        padding-left: 16px;
        padding-right: 16px;
    }

    .hero-title,
    .hero--product .hero-title {
        font-size: 23px;
    }

    .hero-features {
        font-size: 12.5px;
    }

    .tw-wrapper {
        font-size: 15px;
    }

    .phero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .phero-actions .btn-demo1 {
        width: 100%;
        text-align: center;
        margin: 0;
    }

    .page-head h1,
    .section-title {
        font-size: 22px;
    }
}

/* ========== 移动端文档目录（右上角固定开关 + 右侧抽屉） ========== */
.doc-toc-btn {
    display: none;
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 71;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 9px 14px;
    background: #eaf2fe;
    color: var(--brand);
    border: 1px solid #d4e4fb;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.doc-toc-sign::before {
    content: "+";
    font-size: 16px;
    line-height: 1;
    font-style: normal;
}

.doc-toc-btn.open .doc-toc-sign::before {
    content: "-";
}

.doc-toc-mask {
    position: fixed;
    inset: 0;
    z-index: 69;
    background: rgba(7, 11, 20, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.doc-toc-mask.open {
    opacity: 1;
    visibility: visible;
}

@media screen and (max-width: 1024px) {
    .doc-toc-btn.has-toc {
        display: flex;
    }

    .page-side {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 70;
        width: 86%;
        max-width: 360px;
        height: 100%;
        padding: 20px;
        overflow-y: auto;
        background: #f7f9fc;
        border-left: 1px solid var(--line);
        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.3s ease, visibility 0.3s ease;
    }

    .page-side.open {
        transform: translateX(0);
        visibility: visible;
    }

    .page-side .page-side-card {
        margin: 0;
    }
}

/* ========== GATEWAY 下载列表：移动端分行堆叠 ========== */
@media screen and (max-width: 640px) {
    .page-download {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 20px;
    }

    .page-download-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .page-download-info {
        width: 100%;
    }

    .page-download-btn {
        width: 100%;
        text-align: center;
    }
}

/* ========== 文档正文：小图（原始宽度<700px）两列并排 ========== */
.doc-img-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 14px 0;
}

.doc-img-cell {
    min-width: 0;
}

.doc-img-cell .doc-zoom {
    width: 100%;
    margin: 0;
}

.doc-img-cell img,
.doc-img-cell .doc-zoom>img,
.doc-img-row>img {
    width: 100%;
    height: auto;
    margin: 0;
    display: block;
}

@media screen and (max-width: 560px) {
    .doc-img-row {
        grid-template-columns: 1fr;
    }
}

/* ========== 开屏广告（index 首页） ========== */
.splash {
    position: fixed;
    inset: 0;
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 34px;
    background: rgba(7, 11, 20, 0.6);
    /* -webkit-backdrop-filter: blur(6px); */
    /* backdrop-filter: blur(6px); */
    animation: splashIn 0.3s ease;
}

@keyframes splashIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.splash-box {
    position: relative;
    /* max-width: min(92vw, 560px); */
}

.splash-box a {
    display: block;
}

.splash-box img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 86vh;
    object-fit: contain;
    background: #fff;
    box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.6);
}

.splash-close {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    transform: translate(50%, -50%);
    background: #fff;
    color: var(--ink);
    border: 0;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 8px 22px -8px rgba(0, 0, 0, 0.5);
}

.splash-close:hover {
    background: var(--brand);
    color: #fff;
}

@media screen and (max-width: 560px) {
    .splash {
        padding: 20px;
    }

    .splash-box {
        max-width: 94vw;
    }
}

/* 首页大标题：文字居中；V3 图片挂在文字右侧、不影响布局 */
.hero-head .hero-title {
    font-size: 48px;
    text-align: center;
}

.hero-title-main {
    position: relative;
    display: inline-block;
}

.hero-title-v3 {
    position: absolute;
    left: 100%;
    /* 上下位置：下面的 30px 越大越往上，改小越往下（改成 0 = 与文字垂直居中） */
    top: calc(50% - 30px);
    width: 300px;
    max-width: 60vw;
    aspect-ratio: 500 / 402;
    /* 左间距：越大图片离文字越远（同时会影响右侧是否出边） */
    margin-left: -30px;
    transform: translateY(-50%);
    background: url(/static/v3.png) center / contain no-repeat;
}

@media screen and (max-width: 900px) {
    .hero-title-main {
        display: block;
    }

    .hero-title-v3 {
        position: static;
        display: block;
        margin: 14px auto 0;
        transform: none;
    }
}

/* ========== 产品页：完整功能体验（HERO 下方） ========== */
.exp {
    position: relative;
    padding: 68px 0;
    background: var(--soft);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.exp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    align-items: stretch;
}

.exp-card {
    display: flex;
    flex-direction: column;
    padding: 34px 30px 30px;
    background: #fff;
    border: 1px solid var(--line);
    transition: var(--ease);
}

.exp-card:hover {
    border-color: var(--brand);
}

.exp-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    font-size: 20px;
    margin-bottom: 22px;
}

.exp-card h3 {
    font-size: 19px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.exp-desc {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--ink-3);
}

.exp-foot {
    margin-top: auto;
    padding-top: 26px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.exp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    min-height: 48px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    background: #fff;
    color: var(--brand);
    border: 1px solid var(--brand);
    transition: var(--ease);
}

.exp-btn:hover {
    background: var(--brand);
    color: #fff;
}

.exp-btn i {
    font-size: 15px;
}

.exp-btn--primary {
    background: var(--brand);
    color: #fff;
}

.exp-btn--primary:hover {
    background: #fff;
    color: var(--brand);
}

.exp-account {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    padding: 11px 14px;
    background: var(--blue-tint);
    font-size: 12.5px;
    color: var(--brand-dark);
}

.exp-account-label {
    padding: 3px 9px;
    background: var(--brand);
    color: #fff;
    font-size: 11px;
    letter-spacing: 1px;
    line-height: 1.4;
}

.exp-account b {
    color: var(--ink);
    font-weight: 700;
    letter-spacing: 0.5px;
}

@media screen and (max-width: 860px) {
    .exp {
        padding: 50px 0;
    }

    .exp-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .exp-card {
        padding: 28px 24px 24px;
    }
}

/* ========== 首页 HERO：演示入口卡片区 ========== */
.hero-demo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 8px;
    text-align: left;
}

.hero-demo-grid .exp-card {
    padding: 28px 24px 24px;
}

.hero-demo-grid .exp-icon {
    width: 46px;
    height: 46px;
    font-size: 18px;
    margin-bottom: 18px;
}

.hero-demo-grid .exp-card h3 {
    font-size: 17px;
}

.hero-demo-grid .exp-desc {
    font-size: 13.5px;
}

.exp-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    min-height: 18px;
}

.exp-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand);
}

.exp-link i {
    font-size: 10px;
    transition: transform 0.26s ease;
}

.exp-link:hover {
    color: var(--brand-dark);
}

.exp-link:hover i {
    transform: translateX(3px);
}

@media screen and (max-width: 1024px) {
    .hero-demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 560px) {
    .hero-demo-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ========== 产品页：APP 客服工作台下载层 ========== */
.mdl .apkdl-box {
    max-width: 580px;
    grid-template-columns: 1fr;
    padding: 46px 44px 42px;
}

.apkdl-head {
    text-align: center;
}

.apkdl-head-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    font-size: 24px;
}

.apkdl-head h4 {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.5px;
}

.apkdl-head p {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--ink-3);
}

.apkdl-body {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 26px;
    align-items: start;
}

.apkdl-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.apkdl-vline {
    width: 1px;
    align-self: stretch;
    background: var(--line);
}

.apkdl-step {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
}

.apkdl-step b {
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}

.apkdl-qr {
    display: inline-block;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--line);
}

.apkdl-qr canvas {
    display: block;
}

.apkdl-url {
    margin-top: 12px;
    font-size: 12px;
    color: var(--ink-3);
    word-break: break-all;
}

.apkdl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    min-height: 48px;
    padding: 12px 20px;
    background: var(--brand);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid var(--brand);
    transition: var(--ease);
}

.apkdl-btn:hover {
    background: #fff;
    color: var(--brand);
}

.apkdl-tip {
    margin-top: 12px;
    font-size: 12.5px;
    color: var(--ink-3);
}

.apkdl-account {
    margin-top: 14px;
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 14px;
    padding: 10px 14px;
    background: var(--blue-tint);
    font-size: 12.5px;
    color: var(--brand-dark);
}

.apkdl-tag {
    padding: 3px 9px;
    background: var(--brand);
    color: #fff;
    font-size: 11px;
    letter-spacing: 1px;
}

.apkdl-account b {
    color: var(--ink);
    font-weight: 700;
}

@media screen and (max-width: 560px) {
    .mdl .apkdl-box {
        padding: 38px 22px 30px;
    }

    .apkdl-body {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .apkdl-vline {
        width: 100%;
        height: 1px;
    }
}

/* ========== 用户协议弹层（gateway） ========== */
.page-layer--protocol {
    background: rgba(7, 11, 20, 0.62);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.page-layer--protocol .protocol-box {
    position: relative;
    max-width: 620px;
    overflow: hidden;
}

/* 顶部品牌装饰条 */
.page-layer--protocol .protocol-box::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--grad);
    z-index: 2;
}

.protocol-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 26px;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #f4f9ff 0%, #ffffff 100%);
}

.protocol-head-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    font-size: 20px;
}

.protocol-head-text h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.5px;
}

.protocol-head-text p {
    margin-top: 4px;
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--ink-3);
}

.page-layer--protocol iframe {
    width: 100%;
    height: 56vh;
    max-height: 520px;
    border: 0;
    display: block;
    background: #fff;
}

.protocol-foot {
    padding: 18px 26px;
    border-top: 1px solid var(--line);
    text-align: center;
    background: #fff;
}

.protocol-foot .page-btn {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 15px;
    letter-spacing: 0.5px;
}

@media screen and (max-width: 560px) {
    .protocol-head {
        gap: 12px;
        padding: 18px 18px;
    }

    .protocol-head-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .page-layer--protocol iframe {
        height: 50vh;
    }

    .protocol-foot {
        padding: 14px 18px;
    }

    .protocol-foot .page-btn {
        font-size: 14px;
    }
}