/* ============================================================
   page-experience.css - module13 phase A page-specific styles (Experience)
   Load AFTER site.css : no (keeps own full css, site.css not loaded)
   ============================================================ */

/* =========================================================
           1. 全局基础样式
        ========================================================= */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
:root {
            --primary: #5368d8;
            --primary-dark: #35489d;
            --primary-light: #7d8bea;
            --navy: #172849;
            --navy-dark: #0b1730;
            --navy-light: #40557d;
            --text: #2d3d5b;
            --text-soft: #66748f;
            --text-light: #8d99ad;
            --white: #ffffff;
            --cream: #f5f7fc;
            --gray: #eef3f9;
            --gray-blue: #e9eff7;
            --line: #dfe6f1;
            --line-dark: #ccd7e6;
            --green: #31967d;
            --blue: #4a78d4;
            --purple: #7566d8;
            --orange: #d3a85f;
            --red: #5368d8;
            --space: #050b18;
            --space-soft: #0d1b38;
            --indigo: #5368d8;
            --violet: #7869df;
            --cyan: #70b7e4;
            --gold: #e4bb68;
            --header-height: 76px;
            --page-width: 1280px;
        }
html {
            scroll-behavior: smooth;
            scroll-padding-top: 150px;
        }
body {
            min-width: 320px;
            overflow-x: hidden;
            color: var(--text);
            background: #f8faff;
            font-family: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            font-synthesis: style;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
body.menu-open {
            overflow: hidden;
        }
img {
            display: block;
            max-width: 100%;
        }
a {
            color: inherit;
            text-decoration: none;
        }
button,
        input,
        select,
        textarea {
            color: inherit;
            font: inherit;
        }
button {
            border: 0;
            background: none;
            cursor: pointer;
        }
ul {
            list-style: none;
        }
.container {
            width: min(var(--page-width), calc(100% - 48px));
            margin: 0 auto;
        }
.section {
            padding: 92px 0;
        }
.section-white {
            background: var(--white);
        }
.section-gray {
            background: var(--gray);
        }
.section-cream {
            background: var(--cream);
        }
.section-heading {
            margin-bottom: 42px;
        }
.section-heading.center {
            text-align: center;
        }
.section-heading.center .section-description {
            margin-right: auto;
            margin-left: auto;
        }
.section-label {
            min-height: 32px;
            padding: 6px 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            color: #fff;
            background: var(--primary);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.12em;
        }
.section-title {
            margin-top: 18px;
            color: var(--navy);
            font-size: clamp(31px, 3.2vw, 46px);
            font-weight: 900;
            line-height: 1.24;
            letter-spacing: -0.045em;
        }
.section-description {
            max-width: 720px;
            margin-top: 15px;
            color: var(--text-soft);
            font-size: 15px;
            line-height: 1.9;
        }
.button {
            min-height: 48px;
            padding: 0 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
        }
.button:hover {
            transform: translateY(-2px);
        }
.button-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            box-shadow: 0 12px 28px rgba(216, 74, 47, .25);
        }
.button-primary:hover {
            box-shadow: 0 16px 34px rgba(216, 74, 47, .33);
        }
.button-secondary {
            color: var(--navy);
            border: 1px solid #ccd5e3;
            background: #fff;
        }
.button-secondary:hover {
            border-color: var(--primary);
        }
.button-small {
            min-height: 38px;
            padding: 0 16px;
            font-size: 13px;
        }
.reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .65s ease, transform .65s ease;
        }
.reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
/* =========================================================
           2. 顶部导航
        ========================================================= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            border-bottom: 1px solid var(--line);
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
.header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
.header-left {
            display: flex;
            align-items: center;
            gap: 44px;
        }
.site-logo img {
            width: auto;
            height: 38px;
        }
.desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
.desktop-nav a {
            padding: 11px 14px;
            border-radius: 999px;
            color: #34425e;
            font-size: 15px;
            font-weight: 800;
            transition: color .2s ease, background .2s ease;
        }
.desktop-nav a:hover,
        .desktop-nav a.active {
            color: var(--primary);
            background: #fff2ee;
        }
.header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
.header-join {
            min-height: 42px;
            padding: 0 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            border: 1px solid #d7dfeb;
            color: var(--navy);
            background: #fff;
            font-size: 14px;
            font-weight: 800;
        }
.header-join.active,
        .header-join:hover {
            color: #fff;
            border-color: var(--primary);
            background: var(--primary);
        }
.menu-button {
            width: 42px;
            height: 42px;
            display: none;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            color: var(--navy);
            background: var(--gray-blue);
        }
.menu-button svg {
            width: 22px;
            height: 22px;
        }
.mobile-menu {
            position: fixed;
            top: var(--header-height);
            right: 0;
            left: 0;
            z-index: 999;
            padding: 14px 24px 22px;
            display: none;
            border-bottom: 1px solid var(--line);
            background: rgba(255, 255, 255, .98);
            box-shadow: 0 18px 36px rgba(30, 48, 82, .12);
        }
.mobile-menu.open {
            display: grid;
            gap: 6px;
        }
.mobile-menu a {
            padding: 13px 16px;
            border-radius: 12px;
            color: var(--navy);
            font-weight: 800;
        }
.mobile-menu a.active,
        .mobile-menu a:hover {
            color: var(--primary);
            background: #fff2ee;
        }
/* =========================================================
           3. 页面顶部产品入口（无首屏大图）
        ========================================================= */
        .experience-intro {
            padding: 70px 0 68px;
            position: relative;
            overflow: hidden;
            background:
                    radial-gradient(circle at 7% 12%, rgba(216, 74, 47, .11), transparent 27%),
                    radial-gradient(circle at 92% 86%, rgba(59, 120, 220, .12), transparent 30%),
                    linear-gradient(180deg, #fff, #f8fafd);
        }
.experience-intro::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: .42;
            background-image:
                    linear-gradient(rgba(37, 53, 95, .04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(37, 53, 95, .04) 1px, transparent 1px);
            background-size: 44px 44px;
            mask-image: linear-gradient(to bottom, #000, transparent 78%);
        }
.intro-inner {
            position: relative;
            z-index: 1;
        }
.intro-copy {
            max-width: 820px;
        }
.intro-title {
            color: var(--navy-dark);
            font-size: clamp(34px, 4vw, 54px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -.05em;
        }
.intro-title span {
            color: var(--primary);
        }
.intro-description {
            max-width: 760px;
            margin-top: 17px;
            color: var(--text-soft);
            font-size: 16px;
            line-height: 1.9;
        }
.experience-grid {
            margin-top: 36px;
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 18px;
        }
.experience-data-state {
            grid-column: 1 / -1;
            padding: 58px 24px;
            text-align: center;
            color: var(--text-soft);
            border: 1px solid var(--line);
            border-radius: 24px;
            background: rgba(255, 255, 255, .86);
            box-shadow: 0 14px 36px rgba(37, 53, 95, .06);
        }
.experience-data-state strong {
            display: block;
            margin-bottom: 8px;
            color: var(--navy-dark);
            font-size: 18px;
        }
.experience-data-state p {
            margin: 0;
            line-height: 1.7;
        }
.experience-data-state.is-error strong {
            color: #b54747;
        }
.experience-card {
            min-height: 236px;
            padding: 24px;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--line);
            border-radius: 24px;
            background: rgba(255, 255, 255, .94);
            box-shadow: 0 14px 36px rgba(37, 53, 95, .08);
            transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
        }
.experience-card::after {
            content: "";
            position: absolute;
            right: -55px;
            bottom: -65px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: var(--card-glow);
            opacity: .18;
        }
.experience-card:hover {
            transform: translateY(-7px);
            border-color: var(--card-accent);
            box-shadow: 0 22px 50px rgba(37, 53, 95, .14);
        }
.experience-card.ai {
            --card-accent: var(--purple);
            --card-glow: var(--purple);
        }
.experience-card.ai .experience-icon { background: #f1efff; }
.experience-card.data {
            --card-accent: var(--blue);
            --card-glow: var(--blue);
        }
.experience-card.data .experience-icon { background: #edf4ff; }
.experience-card.cloud {
            --card-accent: var(--green);
            --card-glow: var(--green);
        }
.experience-card.cloud .experience-icon { background: #eaf8f2; }
.experience-card.security {
            --card-accent: var(--orange);
            --card-glow: var(--orange);
        }
.experience-card.security .experience-icon { background: #fff4e8; }
.experience-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }
.experience-icon {
            width: 50px;
            height: 50px;
            display: grid;
            place-items: center;
            border-radius: 16px;
            color: var(--card-accent);
            background: #f3f5fb;
            font-size: 23px;
            font-weight: 900;
        }
.experience-status {
            padding: 6px 10px;
            border-radius: 999px;
            color: #26755b;
            background: #eaf8f2;
            font-size: 12px;
            font-weight: 800;
        }
.experience-card h2 {
            margin-top: 20px;
            color: var(--navy);
            font-size: 21px;
            font-weight: 900;
        }
.experience-card p {
            margin-top: 9px;
            flex: 1;
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.75;
        }
.experience-enter {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--card-accent);
            font-size: 14px;
            font-weight: 900;
        }
/* =========================================================
           4. 页面内体验导航
        ========================================================= */





        /* =========================================================
           5. 通用体验模块
        ========================================================= */
        .demo-section {
            scroll-margin-top: 150px;
        }
.demo-layout {
            display: grid;
            grid-template-columns: minmax(0, .82fr) minmax(0, 1.45fr);
            gap: 42px;
            align-items: start;
        }
.demo-section.reverse .demo-layout {
            grid-template-columns: minmax(0, 1.45fr) minmax(0, .82fr);
        }
.demo-section.reverse .demo-copy {
            order: 2;
        }
.demo-section.reverse .demo-stage {
            order: 1;
        }
.demo-index {
            color: var(--primary);
            font-size: 12px;
            font-weight: 900;
            letter-spacing: .16em;
        }
.demo-title {
            margin-top: 14px;
            color: var(--navy);
            font-size: clamp(29px, 3vw, 42px);
            font-weight: 900;
            line-height: 1.28;
            letter-spacing: -.04em;
        }
.demo-description {
            margin-top: 15px;
            color: var(--text-soft);
            font-size: 15px;
            line-height: 1.9;
        }
.demo-tips {
            margin-top: 25px;
            display: grid;
            gap: 12px;
        }
.demo-tip {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.65;
        }
.demo-tip i {
            width: 22px;
            height: 22px;
            flex: 0 0 auto;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: #fff;
            background: var(--green);
            font-style: normal;
            font-size: 12px;
            font-weight: 900;
        }
.demo-note {
            margin-top: 24px;
            padding: 14px 16px;
            border: 1px solid #e8dfcc;
            border-radius: 14px;
            color: #80622e;
            background: #fffaf0;
            font-size: 13px;
            line-height: 1.7;
        }
.demo-conversion {
            margin-top: 18px;
            padding: 16px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            border: 1px solid #dfe5f4;
            border-radius: 16px;
            color: var(--navy);
            background: rgba(255, 255, 255, .82);
            box-shadow: 0 10px 26px rgba(37, 53, 95, .06);
            font-size: 13px;
            font-weight: 800;
            line-height: 1.65;
        }
.demo-conversion .button {
            min-height: 42px;
            padding: 0 20px;
            flex: 0 0 auto;
            font-size: 13px;
        }
.demo-stage {
            min-width: 0;
            overflow: hidden;
            border: 1px solid #dfe6f1;
            border-radius: 28px;
            background: #fff;
            box-shadow: 0 24px 58px rgba(37, 53, 95, .12);
        }
.window-toolbar {
            min-height: 54px;
            padding: 0 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            border-bottom: 1px solid var(--line);
            background: #f7f9fc;
        }
.window-dots {
            display: flex;
            gap: 6px;
        }
.window-dots i {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #d8dfeb;
        }
.window-dots i:nth-child(1) { background: #ef7967; }
.window-dots i:nth-child(2) { background: #e8b958; }
.window-dots i:nth-child(3) { background: #62b98d; }
.window-title {
            color: var(--navy);
            font-size: 13px;
            font-weight: 900;
        }
.window-badge {
            padding: 6px 10px;
            border-radius: 999px;
            color: #27785d;
            background: #e8f7f1;
            font-size: 11px;
            font-weight: 900;
        }
.control-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 9px;
        }
.segmented-button {
            min-height: 36px;
            padding: 0 14px;
            border: 1px solid var(--line);
            border-radius: 999px;
            color: var(--text-soft);
            background: #fff;
            font-size: 12px;
            font-weight: 800;
        }
.segmented-button:hover,
        .segmented-button.active {
            color: #fff;
            border-color: var(--navy);
            background: var(--navy);
        }
/* =========================================================
           6. AI 智能助手体验
        ========================================================= */
        .ai-app {
            min-height: 590px;
            display: grid;
            grid-template-columns: 190px minmax(0, 1fr);
        }
.ai-sidebar {
            padding: 20px 16px;
            border-right: 1px solid var(--line);
            background: #f7f9fc;
        }
.ai-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--navy);
            font-size: 14px;
            font-weight: 900;
        }
.ai-brand-icon {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            border-radius: 11px;
            color: #fff;
            background: linear-gradient(135deg, #735edb, #4d74d9);
        }
.ai-sidebar-label {
            margin: 28px 7px 10px;
            color: var(--text-light);
            font-size: 11px;
            font-weight: 800;
        }
.ai-menu-item {
            width: 100%;
            padding: 10px 11px;
            display: flex;
            align-items: center;
            gap: 9px;
            border-radius: 11px;
            color: var(--text-soft);
            text-align: left;
            font-size: 12px;
            font-weight: 800;
        }
.ai-menu-item.active,
        .ai-menu-item:hover {
            color: #5a58c7;
            background: #ececfe;
        }
.ai-main {
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: #fff;
        }
.ai-topbar {
            min-height: 58px;
            padding: 0 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-bottom: 1px solid var(--line);
        }
.ai-topbar strong {
            color: var(--navy);
            font-size: 14px;
        }
.ai-topbar span {
            color: var(--text-light);
            font-size: 11px;
        }
.chat-list {
            height: 390px;
            padding: 22px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
            background: linear-gradient(180deg, #fff, #fbfcff);
        }
.chat-message {
            max-width: 82%;
            padding: 13px 15px;
            border-radius: 16px;
            font-size: 13px;
            line-height: 1.75;
            white-space: pre-wrap;
        }
.chat-message.bot {
            align-self: flex-start;
            color: #53637e;
            border-bottom-left-radius: 5px;
            background: #eef2f8;
        }
.chat-message.user {
            align-self: flex-end;
            color: #fff;
            border-bottom-right-radius: 5px;
            background: linear-gradient(135deg, #4b67cf, #7561d7);
        }
.chat-message.typing {
            display: inline-flex;
            gap: 4px;
        }
.chat-message.typing i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #8995aa;
            animation: typing 1s infinite alternate;
        }
.chat-message.typing i:nth-child(2) { animation-delay: .18s; }
.chat-message.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes typing {
            to { transform: translateY(-4px); opacity: .55; }
        }
.quick-questions {
            padding: 0 18px 12px;
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
        }
.quick-questions::-webkit-scrollbar { display: none; }
.quick-question {
            flex: 0 0 auto;
            padding: 8px 11px;
            border: 1px solid #dde5f1;
            border-radius: 999px;
            color: #5e6e88;
            background: #fff;
            font-size: 11px;
            font-weight: 800;
        }
.quick-question:hover {
            color: #5a58c7;
            border-color: #b9b8ef;
            background: #f5f3ff;
        }
.chat-composer {
            margin: 0 18px 18px;
            padding: 8px 8px 8px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid #d9e1ed;
            border-radius: 16px;
            background: #fff;
            box-shadow: 0 10px 22px rgba(37, 53, 95, .07);
        }
.chat-composer input {
            min-width: 0;
            flex: 1;
            border: 0;
            outline: 0;
            color: var(--text);
            background: transparent;
            font-size: 13px;
        }
.chat-send {
            width: 40px;
            height: 40px;
            flex: 0 0 auto;
            display: grid;
            place-items: center;
            border-radius: 12px;
            color: #fff;
            background: linear-gradient(135deg, #4b67cf, #7561d7);
            font-size: 16px;
            font-weight: 900;
        }
/* =========================================================
           7. 经营数据看板体验
        ========================================================= */
        .dashboard-app {
            padding: 20px;
            background: #f7f9fc;
        }
.dashboard-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
.dashboard-head h3 {
            color: var(--navy);
            font-size: 17px;
        }
.dashboard-head p {
            margin-top: 4px;
            color: var(--text-light);
            font-size: 11px;
        }
.metric-grid {
            margin-top: 18px;
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 12px;
        }
.metric-card {
            padding: 16px;
            border: 1px solid var(--line);
            border-radius: 16px;
            background: #fff;
        }
.metric-card span {
            color: var(--text-light);
            font-size: 11px;
            font-weight: 700;
        }
.metric-card strong {
            margin-top: 8px;
            display: block;
            color: var(--navy);
            font-size: 23px;
        }
.metric-card small {
            margin-top: 6px;
            display: block;
            color: var(--green);
            font-size: 10px;
            font-weight: 800;
        }
.dashboard-grid {
            margin-top: 12px;
            display: grid;
            grid-template-columns: minmax(0, 1.6fr) minmax(220px, .8fr);
            gap: 12px;
        }
.chart-card,
        .source-card,
        .orders-card {
            padding: 17px;
            border: 1px solid var(--line);
            border-radius: 16px;
            background: #fff;
        }
.card-title-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
.card-title-row h4 {
            color: var(--navy);
            font-size: 13px;
        }
.card-title-row span {
            color: var(--text-light);
            font-size: 10px;
        }
.chart-tools {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 10px;
        }
.chart-type-toggle {
            padding: 2px;
            display: inline-flex;
            gap: 2px;
            border: 1px solid #dce4f2;
            border-radius: 999px;
            background: #f1f4fa;
        }
.chart-type-toggle button {
            min-height: 25px;
            padding: 0 9px;
            border-radius: 999px;
            color: var(--text-soft);
            font-size: 10px;
            font-weight: 800;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease;
        }
.chart-type-toggle button:hover {
            color: var(--primary);
        }
.chart-type-toggle button.active {
            color: #fff;
            background: linear-gradient(135deg, #355fd3, #6a61d5);
            box-shadow: 0 4px 10px rgba(64, 88, 190, .22);
        }
.bar-chart {
            height: 210px;
            margin-top: 22px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 9px;
            border-bottom: 1px solid #dce4ef;
            background-image: linear-gradient(to top, rgba(228, 234, 243, .75) 1px, transparent 1px);
            background-size: 100% 25%;
        }
.bar-item {
            height: 100%;
            min-width: 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-end;
            gap: 7px;
        }
.bar-column {
            width: min(32px, 72%);
            height: var(--bar-height, 20%);
            min-height: 14px;
            border-radius: 9px 9px 3px 3px;
            background: linear-gradient(180deg, #7ca2eb, #3e70d2);
            transition: height .45s ease;
        }
.bar-item span {
            margin-bottom: -25px;
            color: var(--text-light);
            font-size: 9px;
        }
.bar-chart.line-chart {
            display: block;
        }
.line-chart svg {
            width: 100%;
            height: 100%;
            display: block;
            overflow: visible;
        }
.line-chart .line-area {
            fill: rgba(83, 104, 216, .12);
        }
.line-chart .line-path {
            fill: none;
            stroke: #5368d8;
            stroke-width: 5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
.line-chart .line-point {
            fill: #fff;
            stroke: #5368d8;
            stroke-width: 4;
        }
.line-chart .line-label,
.line-chart .line-value {
            font-family: inherit;
            text-anchor: middle;
        }
.line-chart .line-label {
            fill: var(--text-light);
            font-size: 10px;
        }
.line-chart .line-value {
            fill: var(--primary);
            font-size: 10px;
            font-weight: 800;
        }
.source-list {
            margin-top: 20px;
            display: grid;
            gap: 16px;
        }
.source-row {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 8px;
            align-items: center;
        }
.source-row strong {
            color: var(--navy);
            font-size: 11px;
        }
.source-row span {
            color: var(--text-soft);
            font-size: 11px;
            font-weight: 800;
        }
.source-progress {
            grid-column: 1 / -1;
            height: 7px;
            overflow: hidden;
            border-radius: 999px;
            background: #edf1f7;
        }
.source-progress i {
            height: 100%;
            display: block;
            border-radius: inherit;
            background: linear-gradient(90deg, #4c76d6, #7796e4);
            transition: width .45s ease;
        }
.orders-card {
            margin-top: 12px;
        }
.orders-table {
            margin-top: 13px;
            display: grid;
        }
.orders-row {
            min-height: 36px;
            padding: 0 8px;
            display: grid;
            grid-template-columns: 1.2fr 1fr .8fr .8fr;
            align-items: center;
            border-top: 1px solid #edf1f6;
            color: var(--text-soft);
            font-size: 10px;
        }
.orders-row.head {
            border: 0;
            border-radius: 8px;
            color: var(--navy);
            background: #f4f7fb;
            font-weight: 900;
        }
.order-status {
            width: fit-content;
            padding: 4px 7px;
            border-radius: 999px;
            color: #27785d;
            background: #e8f7f1;
            font-size: 9px;
            font-weight: 800;
        }
/* =========================================================
           8. 云资源管理体验
        ========================================================= */
        .cloud-app {
            padding: 20px;
            background: #f7faf9;
        }
.cloud-summary {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }
.cloud-summary-card {
            padding: 16px;
            border: 1px solid #dfe9e5;
            border-radius: 16px;
            background: #fff;
        }
.cloud-summary-card span {
            color: var(--text-light);
            font-size: 11px;
        }
.cloud-summary-card strong {
            margin-top: 7px;
            display: block;
            color: var(--navy);
            font-size: 23px;
        }
.cloud-controls {
            margin-top: 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
.cloud-filter {
            min-height: 38px;
            padding: 0 13px;
            border: 1px solid #dce5e2;
            border-radius: 12px;
            outline: 0;
            color: var(--navy);
            background: #fff;
            font-size: 12px;
            font-weight: 800;
        }
.resource-table {
            margin-top: 14px;
            overflow: hidden;
            border: 1px solid #dfe8e5;
            border-radius: 17px;
            background: #fff;
        }
.resource-row {
            min-height: 63px;
            padding: 10px 14px;
            display: grid;
            grid-template-columns: 1.35fr .75fr .75fr .75fr .8fr;
            align-items: center;
            gap: 10px;
            border-top: 1px solid #eef3f1;
            color: var(--text-soft);
            font-size: 11px;
        }
.resource-row:first-child {
            border-top: 0;
        }
.resource-row[hidden] {
            display: none;
        }
.resource-row.head {
            min-height: 42px;
            color: var(--navy);
            background: #f3f7f6;
            font-weight: 900;
        }
.resource-name {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--navy);
            font-weight: 800;
        }
.resource-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--green);
            box-shadow: 0 0 0 4px rgba(55, 167, 120, .12);
        }
.resource-row[data-state="stopped"] .resource-dot {
            background: #a8b1c0;
            box-shadow: 0 0 0 4px rgba(168, 177, 192, .15);
        }
.resource-state {
            width: fit-content;
            padding: 5px 8px;
            border-radius: 999px;
            color: #287c60;
            background: #e9f7f1;
            font-size: 9px;
            font-weight: 900;
        }
.resource-row[data-state="stopped"] .resource-state {
            color: #707b8d;
            background: #eef1f5;
        }
.resource-action {
            min-height: 32px;
            padding: 0 11px;
            border: 1px solid #cfe0da;
            border-radius: 10px;
            color: #2d7a61;
            background: #fff;
            font-size: 10px;
            font-weight: 900;
        }
.resource-row[data-state="running"] .resource-action {
            color: #a55f39;
            border-color: #ead4c7;
        }
/* =========================================================
           9. 安全运营体验
        ========================================================= */
        .security-app {
            padding: 20px;
            background: #faf9ff;
        }
.security-top {
            display: grid;
            grid-template-columns: 170px minmax(0, 1fr);
            gap: 14px;
        }
.score-card,
        .scan-card {
            padding: 18px;
            border: 1px solid #e5e1f2;
            border-radius: 17px;
            background: #fff;
        }
.score-ring {
            width: 108px;
            height: 108px;
            margin: 4px auto 12px;
            position: relative;
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: conic-gradient(var(--purple) 0 var(--score), #eceaf7 var(--score) 100%);
        }
.score-ring::after {
            content: "";
            position: absolute;
            inset: 11px;
            border-radius: 50%;
            background: #fff;
        }
.score-ring strong,
        .score-ring span {
            position: relative;
            z-index: 1;
        }
.score-ring strong {
            color: var(--navy);
            font-size: 28px;
        }
.score-ring span {
            margin-top: -26px;
            color: var(--text-light);
            font-size: 9px;
        }
.score-card p {
            color: var(--text-soft);
            text-align: center;
            font-size: 11px;
            line-height: 1.6;
        }
.scan-card h4 {
            color: var(--navy);
            font-size: 15px;
        }
.scan-card p {
            margin-top: 8px;
            color: var(--text-soft);
            font-size: 11px;
            line-height: 1.7;
        }
.scan-progress {
            height: 10px;
            margin-top: 20px;
            overflow: hidden;
            border-radius: 999px;
            background: #efedf7;
        }
.scan-progress i {
            width: 0;
            height: 100%;
            display: block;
            border-radius: inherit;
            background: linear-gradient(90deg, #7765d7, #4d75d9);
            transition: width .18s linear;
        }
.scan-meta {
            margin-top: 10px;
            display: flex;
            justify-content: space-between;
            color: var(--text-light);
            font-size: 10px;
        }
.scan-action-row {
            margin-top: 17px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
.security-stats {
            margin-top: 14px;
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }
.security-stat {
            padding: 14px;
            border: 1px solid #e6e2f1;
            border-radius: 14px;
            background: #fff;
        }
.security-stat span {
            color: var(--text-light);
            font-size: 10px;
        }
.security-stat strong {
            margin-top: 7px;
            display: block;
            color: var(--navy);
            font-size: 22px;
        }
.security-table {
            margin-top: 14px;
            overflow: hidden;
            border: 1px solid #e5e1f0;
            border-radius: 17px;
            background: #fff;
        }
.security-row {
            min-height: 51px;
            padding: 9px 13px;
            display: grid;
            grid-template-columns: 1.45fr .65fr .7fr .75fr;
            align-items: center;
            gap: 8px;
            border-top: 1px solid #f0edf7;
            color: var(--text-soft);
            font-size: 10px;
        }
.security-row:first-child {
            border-top: 0;
        }
.security-row.head {
            min-height: 40px;
            color: var(--navy);
            background: #f6f4fb;
            font-weight: 900;
        }
.risk-level {
            width: fit-content;
            padding: 5px 7px;
            border-radius: 999px;
            font-size: 9px;
            font-weight: 900;
        }
.risk-level.high {
            color: #b94c39;
            background: #ffede8;
        }
.risk-level.medium {
            color: #a36b21;
            background: #fff4dc;
        }
.risk-level.low {
            color: #2b7a61;
            background: #e9f7f1;
        }
.resolve-button {
            min-height: 30px;
            padding: 0 9px;
            border: 1px solid #d8d1ed;
            border-radius: 9px;
            color: #6657bd;
            background: #fff;
            font-size: 9px;
            font-weight: 900;
        }
.resolve-button:disabled {
            color: #8b95a8;
            border-color: #e2e7ee;
            background: #f3f5f8;
            cursor: default;
        }
/* =========================================================
           10. 咨询区和页脚
        ========================================================= */
        .consult-section {
            padding: 70px 0 92px;
            background:
                    radial-gradient(circle at 10% 10%, rgba(83, 104, 216, .11), transparent 34%),
                    radial-gradient(circle at 90% 82%, rgba(112, 183, 228, .13), transparent 36%),
                    #f2f6fc;
        }
.consult-card {
            padding: 48px 54px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 34px;
            border: 1px solid #dce5f1;
            border-radius: 28px;
            background: rgba(250, 252, 255, .92);
            box-shadow: 0 24px 58px rgba(28, 52, 96, .10);
        }
.consult-content h2 {
            color: var(--navy-dark);
            font-size: clamp(27px, 3vw, 40px);
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -.04em;
        }
.consult-content p {
            max-width: 670px;
            margin-top: 12px;
            color: var(--text-soft);
            font-size: 15px;
            line-height: 1.8;
        }
.consult-actions {
            flex: 0 0 auto;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
.site-footer {
            padding: 66px 0 0;
            border-top: 1px solid #dce5f1;
            background: #edf2f8;
        }
.footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, .8fr) .8fr;
            gap: 38px;
        }
.footer-brand img {
            width: auto;
            height: 38px;
        }
.footer-brand p {
            max-width: 330px;
            margin-top: 18px;
            color: var(--text-soft);
            font-size: 13px;
            line-height: 1.8;
        }
.footer-slogan {
            margin-top: 20px;
            color: var(--navy-dark);
            font-size: 16px;
            font-weight: 900;
        }
.footer-slogan span {
            color: var(--primary);
        }
.footer-column h3 {
            margin-bottom: 17px;
            color: var(--navy-dark);
            font-size: 14px;
        }
.footer-column ul {
            display: grid;
            gap: 11px;
        }
.footer-column a,
        .footer-column p {
            color: var(--text-soft);
            font-size: 12px;
            line-height: 1.65;
        }
.footer-column a:hover {
            color: var(--primary);
        }
.footer-qr img {
            width: 92px;
            height: 92px;
            object-fit: cover;
            border: 5px solid #fff;
            border-radius: 10px;
            box-shadow: 0 9px 24px rgba(31, 53, 95, .09);
        }
.footer-qr p {
            margin-top: 10px;
        }
.footer-bottom {
            margin-top: 52px;
            min-height: 58px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-top: 1px solid #d9e2ee;
            color: #8a96aa;
            font-size: 12px;
        }
.toast {
            position: fixed;
            right: 22px;
            bottom: 22px;
            z-index: 1200;
            max-width: min(360px, calc(100% - 44px));
            padding: 13px 17px;
            border-radius: 13px;
            color: #fff;
            background: var(--navy-dark);
            box-shadow: 0 15px 35px rgba(23, 39, 70, .24);
            font-size: 13px;
            line-height: 1.6;
            opacity: 0;
            pointer-events: none;
            transform: translateY(14px);
            transition: opacity .25s ease, transform .25s ease;
        }
.toast.show {
            opacity: 1;
            transform: translateY(0);
        }
/* =========================================================
           11. 响应式
        ========================================================= */
        @media (max-width: 1080px) {
            .experience-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .demo-layout,
            .demo-section.reverse .demo-layout {
                grid-template-columns: 1fr;
            }

            .demo-section.reverse .demo-copy,
            .demo-section.reverse .demo-stage {
                order: initial;
            }

            .footer-grid {
                grid-template-columns: 1.2fr repeat(2, .8fr);
            }

            .footer-qr {
                grid-column: auto;
            }
        }
@media (max-width: 980px) {
            .desktop-nav,
            .header-actions .header-join {
                display: none;
            }

            .menu-button {
                display: inline-flex;
            }

            .ai-app {
                grid-template-columns: 1fr;
            }

            .ai-sidebar {
                display: none;
            }
        }
@media (max-width: 760px) {
            .container {
                width: min(var(--page-width), calc(100% - 30px));
            }

            .section {
                padding: 72px 0;
            }

            .experience-intro {
                padding: 52px 0 50px;
            }

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

            .experience-card {
                min-height: 205px;
            }

            .metric-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .dashboard-grid,
            .security-top {
                grid-template-columns: 1fr;
            }

            .cloud-summary,
            .security-stats {
                grid-template-columns: 1fr;
            }

            .resource-table,
            .security-table,
            .orders-card,
            .orders-table {
                overflow-x: auto;
            }

            .resource-row {
                min-width: 650px;
            }

            .security-row {
                min-width: 570px;
            }

            .orders-row {
                min-width: 510px;
            }

            .quick-questions {
                flex-wrap: wrap;
                overflow-x: visible;
            }

            .quick-question {
                flex: 1 1 auto;
                max-width: 100%;
                text-align: center;
            }

            .consult-card {
                padding: 36px 25px;
                align-items: flex-start;
                flex-direction: column;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }
@media (max-width: 520px) {
            .header-left {
                gap: 0;
            }

            .site-logo img {
                height: 34px;
            }


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

            .chart-card .card-title-row {
                align-items: flex-start;
                flex-direction: column;
            }

            .chart-tools {
                width: 100%;
                justify-content: space-between;
            }

            .dashboard-app,
            .cloud-app,
            .security-app {
                padding: 13px;
            }

            .chat-list {
                height: 360px;
                padding: 16px;
            }

            .chat-message {
                max-width: 92%;
            }

            .demo-conversion {
                align-items: flex-start;
                flex-direction: column;
            }

            .demo-conversion .button {
                width: 100%;
            }

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

            .footer-brand {
                grid-column: auto;
            }
        }
@media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }

            .reveal {
                opacity: 1;
                transform: none;
            }
        }
/* =========================================================
           About 页面视觉同步覆盖
           顶部导航、响应式行为、全局主题和功能组件配色
        ========================================================= */
.intro-title,
        .section-title,
        .demo-title,
        .consult-content h2,
        .footer-slogan {
            font-family:
                    "HarmonyOS Sans SC",
                    "MiSans",
                    "PingFang SC",
                    "Microsoft YaHei",
                    sans-serif;
        }
.section-white {
            background: #f9fbff;
        }
.section-gray {
            background:
                    radial-gradient(circle at 8% 10%, rgba(83, 104, 216, .055), transparent 30%),
                    radial-gradient(circle at 92% 88%, rgba(112, 183, 228, .07), transparent 32%),
                    #eef3f9;
        }
.section-cream {
            background:
                    radial-gradient(circle at 88% 12%, rgba(118, 105, 223, .06), transparent 30%),
                    #f5f7fc;
        }
.section-label {
            color: #f7f9ff;
            background: linear-gradient(135deg, #29447d, #5368d8);
            box-shadow: 0 9px 22px rgba(48, 72, 145, .18);
        }
.section-title,
        .demo-title,
        .consult-content h2 {
            color: #172849;
            letter-spacing: -.035em;
        }
.section-description,
        .demo-description,
        .consult-content p {
            color: #66748f;
        }
.button {
            min-height: 50px;
            padding: 0 26px;
            gap: 9px;
            font-size: 15px;
            letter-spacing: .015em;
        }
.button:hover {
            transform: translateY(-3px);
        }
.button-primary {
            color: #ffffff;
            background: linear-gradient(135deg, #355fd3 0%, #586ddd 56%, #7465d8 100%);
            box-shadow:
                    0 12px 28px rgba(64, 88, 190, .25),
                    inset 0 1px 0 rgba(255, 255, 255, .24);
        }
.button-primary:hover {
            background: linear-gradient(135deg, #2f57c5 0%, #5368d8 52%, #6c5fcf 100%);
            box-shadow:
                    0 17px 36px rgba(62, 86, 184, .34),
                    0 0 0 4px rgba(228, 187, 104, .11);
        }
.button-secondary {
            color: #23385f;
            border-color: #cbd6e7;
            background: rgba(250, 252, 255, .9);
            box-shadow: 0 8px 22px rgba(26, 48, 88, .06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
.button-secondary:hover {
            color: #354fa9;
            border-color: #7185d8;
            background: #ffffff;
            box-shadow: 0 12px 28px rgba(57, 79, 151, .12);
        }
/* 顶部导航：与 about.html 最终生效样式一致 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            border-bottom: 1px solid rgba(204, 216, 233, .86);
            background: rgba(249, 251, 255, .92);
            box-shadow: 0 7px 28px rgba(15, 34, 67, .055);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
.header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }
.header-left {
            display: flex;
            align-items: center;
            gap: 46px;
        }
.site-logo {
            flex-shrink: 0;
        }
.desktop-nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }
.desktop-nav a {
            padding: 11px 14px;
            border-radius: 999px;
            color: #3a4966;
            font-size: 15px;
            font-weight: 800;
            transition: color .2s ease, background .2s ease;
        }
.desktop-nav a:hover,
        .desktop-nav a.active {
            color: #3d57bd;
            background: #edf1ff;
        }
.header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
.header-join,
        .header-join.active {
            min-height: 44px;
            padding: 0 23px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 0;
            border-radius: 999px;
            color: #ffffff;
            background: linear-gradient(135deg, #355fd3, #6a61d5);
            box-shadow: 0 10px 24px rgba(62, 87, 188, .25);
            font-size: 15px;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease;
        }
.header-join:hover,
        .header-join.active:hover {
            color: #ffffff;
            border-color: transparent;
            background: linear-gradient(135deg, #355fd3, #6a61d5);
            transform: translateY(-2px);
            box-shadow:
                    0 14px 30px rgba(62, 87, 188, .32),
                    0 0 0 4px rgba(228, 187, 104, .1);
        }
.menu-button {
            width: 42px;
            height: 42px;
            display: none;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            color: var(--navy);
            background: none;
        }
.menu-button svg {
            width: 23px;
            height: 23px;
        }
.mobile-menu {
            position: fixed;
            top: var(--header-height);
            right: 0;
            left: 0;
            z-index: 999;
            display: none;
            padding: 18px 24px 28px;
            border-bottom: 1px solid #dce5f1;
            background: rgba(249, 251, 255, .985);
            box-shadow: 0 20px 42px rgba(14, 32, 64, .13);
        }
.mobile-menu.open {
            display: block;
        }
.mobile-menu a {
            display: block;
            padding: 14px 10px;
            border: 0;
            border-bottom: 1px solid #e6ecf5;
            border-radius: 0;
            color: #223758;
            font-size: 15px;
            font-weight: 800;
            background: transparent;
        }
.mobile-menu a:hover,
        .mobile-menu a.active {
            color: #425cc1;
            background: transparent;
        }
/* 顶部体验区：沿用 About 页深空蓝紫视觉 */
        .experience-intro {
            padding: 76px 0 72px;
            background:
                    radial-gradient(circle at 74% 46%, rgba(70, 104, 196, .22), transparent 24%),
                    radial-gradient(circle at 88% 18%, rgba(112, 81, 190, .2), transparent 28%),
                    radial-gradient(circle at 22% 24%, rgba(39, 79, 151, .22), transparent 31%),
                    radial-gradient(circle at 15% 86%, rgba(20, 90, 134, .14), transparent 30%),
                    linear-gradient(135deg, #040913 0%, #081329 48%, #0b1731 72%, #050b18 100%);
        }
.experience-intro::before {
            opacity: .9;
            background-image:
                    radial-gradient(circle at 4% 14%, rgba(255, 255, 255, .95) 0, rgba(255, 255, 255, .95) 1px, transparent 1.6px),
                    radial-gradient(circle at 10% 71%, rgba(164, 205, 255, .75) 0, rgba(164, 205, 255, .75) 1px, transparent 1.7px),
                    radial-gradient(circle at 22% 88%, rgba(232, 194, 121, .8) 0, rgba(232, 194, 121, .8) 1px, transparent 1.7px),
                    radial-gradient(circle at 34% 58%, rgba(255, 255, 255, .88) 0, rgba(255, 255, 255, .88) 1px, transparent 1.7px),
                    radial-gradient(circle at 46% 29%, rgba(193, 211, 255, .85) 0, rgba(193, 211, 255, .85) 1px, transparent 1.7px),
                    radial-gradient(circle at 59% 9%, rgba(231, 191, 116, .78) 0, rgba(231, 191, 116, .78) 1px, transparent 1.7px),
                    radial-gradient(circle at 70% 34%, rgba(255, 255, 255, .86) 0, rgba(255, 255, 255, .86) 1.2px, transparent 1.9px),
                    radial-gradient(circle at 83% 13%, rgba(170, 205, 255, .8) 0, rgba(170, 205, 255, .8) 1.1px, transparent 1.8px),
                    radial-gradient(circle at 95% 86%, rgba(230, 190, 115, .75) 0, rgba(230, 190, 115, .75) 1px, transparent 1.7px);
            background-size: 100% 100%;
            mask-image: none;
        }
.intro-title {
            color: #f4f7ff;
            text-shadow: 0 5px 32px rgba(0, 0, 0, .28);
        }
.intro-title span {
            color: #aab9ff;
            background: linear-gradient(110deg, #a9bcff, #c2b7ff 55%, #e4bb68);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
.intro-description {
            color: #aebbd2;
        }
.experience-intro .section-label {
            color: #dbe5ff;
            border: 1px solid rgba(142, 162, 232, .3);
            background: rgba(18, 34, 67, .58);
            box-shadow:
                    inset 0 1px 0 rgba(255, 255, 255, .08),
                    0 10px 28px rgba(0, 0, 0, .2);
        }
.experience-card {
            border-color: rgba(169, 186, 231, .28);
            background: rgba(14, 28, 58, .8);
            box-shadow:
                    0 17px 42px rgba(0, 0, 0, .28),
                    inset 0 1px 0 rgba(255, 255, 255, .06);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
.experience-card:hover {
            border-color: var(--card-accent);
            box-shadow:
                    0 22px 48px rgba(0, 0, 0, .34),
                    0 0 0 1px rgba(130, 151, 222, .16),
                    0 0 32px rgba(80, 102, 206, .13);
        }
.experience-card::after {
            opacity: .13;
        }
.experience-card.ai {
            --card-accent: #7566d8;
            --card-glow: #7566d8;
        }
.experience-card.data {
            --card-accent: #4a78d4;
            --card-glow: #4a78d4;
        }
.experience-card.cloud {
            --card-accent: #31967d;
            --card-glow: #31967d;
        }
.experience-card.security {
            --card-accent: #d3a85f;
            --card-glow: #d3a85f;
        }
.experience-card.ai .experience-icon { background: rgba(117, 102, 216, .22); }
.experience-card.data .experience-icon { background: rgba(75, 132, 211, .20); }
.experience-card.cloud .experience-icon { background: rgba(49, 150, 125, .20); }
.experience-card.security .experience-icon { background: rgba(211, 168, 95, .20); }
.experience-card h2 {
            color: #e9eeff;
        }
.experience-card p {
            color: #a6b4cd;
        }
.experience-status {
            color: #d6e1ff;
            background: rgba(83, 104, 216, .2);
        }
.experience-enter {
            color: #c2ccff;
        }
/* 二级导航 */




        /* 通用体验组件 */
        .demo-index {
            color: #5368d8;
        }
.demo-tip i {
            background: #31967d;
        }
.demo-note {
            color: #806a39;
            border-color: #e5d9bc;
            background: #fbf7ec;
        }
.demo-stage,
        .metric-card,
        .chart-card,
        .source-card,
        .orders-card,
        .cloud-summary-card,
        .resource-table,
        .score-card,
        .scan-card,
        .security-stat,
        .security-table {
            border-color: #dfe6f1;
            background: linear-gradient(180deg, #ffffff, #f9fbff);
            box-shadow: 0 9px 26px rgba(25, 46, 83, .055);
        }
.demo-stage {
            box-shadow: 0 24px 58px rgba(22, 43, 82, .15);
        }
.window-toolbar,
        .ai-sidebar,
        .dashboard-app,
        .cloud-app,
        .security-app {
            background: #eef3f9;
        }
.window-badge,
        .order-status,
        .resource-state {
            color: #28765f;
            background: #e5f5f0;
        }
.segmented-button:hover,
        .segmented-button.active {
            color: #ffffff;
            border-color: #5368d8;
            background: linear-gradient(135deg, #355fd3, #6a61d5);
        }
/* AI 体验 */
        .ai-brand-icon,
        .chat-send,
        .chat-message.user {
            background: linear-gradient(135deg, #355fd3, #6a61d5);
        }
.ai-menu-item.active,
        .ai-menu-item:hover {
            color: #435bc0;
            background: #e9edff;
        }
.quick-question:hover {
            color: #435bc0;
            border-color: #aebbe9;
            background: #edf1ff;
        }
.chat-composer:focus-within {
            border-color: rgba(83, 104, 216, .55);
            box-shadow: 0 0 0 4px rgba(83, 104, 216, .09), 0 10px 22px rgba(37, 53, 95, .07);
        }
/* 数据看板 */
        .bar-column {
            background: linear-gradient(180deg, #7d8bea, #4a78d4);
        }
.source-progress i {
            background: linear-gradient(90deg, #4a78d4, #70b7e4);
        }
.orders-row.head,
        .resource-row.head,
        .security-row.head {
            background: #edf2f8;
        }
/* 云资源 */
        .cloud-summary-card,
        .resource-table {
            border-color: #d8e6e1;
        }
.cloud-filter:focus {
            border-color: rgba(49, 150, 125, .55);
            box-shadow: 0 0 0 4px rgba(49, 150, 125, .09);
        }
.resource-dot {
            background: #31967d;
            box-shadow: 0 0 0 4px rgba(49, 150, 125, .12);
        }
.resource-action {
            color: #2d7a61;
            border-color: #c9ded7;
        }
.resource-row[data-state="running"] .resource-action {
            color: #4b61c4;
            border-color: #ccd5ee;
        }
/* 安全运营 */
        .score-ring {
            background: conic-gradient(#7566d8 0 var(--score), #e9e7f6 var(--score) 100%);
        }
.scan-progress i {
            background: linear-gradient(90deg, #7566d8, #4a78d4);
        }
.resolve-button {
            color: #4b61c4;
            border-color: #cfd5ef;
        }
.resolve-button:hover:not(:disabled) {
            color: #ffffff;
            border-color: #5368d8;
            background: #5368d8;
        }
/* 咨询区与页脚 */
        .consult-section {
            background:
                    radial-gradient(circle at 11% 13%, rgba(83, 104, 216, .08), transparent 32%),
                    radial-gradient(circle at 89% 84%, rgba(112, 183, 228, .09), transparent 34%),
                    #f3f6fb;
        }
.consult-card {
            border-color: #dfe6f1;
            background: rgba(251, 252, 255, .94);
            box-shadow: 0 20px 45px rgba(28, 47, 91, .13);
        }
.site-footer {
            border-top-color: #dce5f1;
            background:
                    radial-gradient(circle at 10% 0%, rgba(83, 104, 216, .045), transparent 28%),
                    #eef3f9;
        }
.footer-brand p,
        .footer-column a,
        .footer-column p {
            color: #66748f;
        }
.footer-column h3,
        .footer-slogan {
            color: #172849;
        }
.footer-slogan span {
            color: #5368d8;
        }
.footer-column a:hover {
            color: #435bc0;
        }
.footer-qr img {
            border-color: #d6e0ed;
            background: #ffffff;
            box-shadow: 0 9px 25px rgba(25, 46, 83, .08);
        }
.footer-bottom {
            border-top-color: #dce5f1;
            color: #8793a8;
        }
.toast {
            background: #0b1730;
            box-shadow: 0 15px 35px rgba(11, 23, 48, .3);
        }
/* 与 About 页面一致的导航响应式行为 */
        @media (max-width: 980px) {
            :root {
                --header-height: 68px;
            }

            .container {
                width: min(var(--page-width), calc(100% - 32px));
            }

            .desktop-nav {
                display: none;
            }

            .header-actions .header-join {
                display: inline-flex;
            }

            .menu-button {
                display: flex;
            }
        }
@media (max-width: 760px) {
            .section {
                padding: 74px 0;
            }

        }
@media (max-width: 680px) {
            .header-actions .header-join {
                display: none;
            }
        }
@media (max-width: 480px) {
            .container {
                width: calc(100% - 24px);
            }

            .site-logo img {
                height: 32px;
            }
        }