* { box-sizing: border-box; }

:root {
    --violet: #6d4aff;
    --violet-dark: #5936e8;
    --violet-light: #eee9ff;
    --ink: #172033;
    --muted: #788297;
    --line: #e9e8f1;
    --green: #18a870;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", sans-serif;
}

section[id] { scroll-margin-top: 96px; }

.homepage-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 80px;
    border-bottom: 1px solid #f1f5f9;
    background-color: rgba(255, 255, 255, .95);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
    transition: all 300ms;
}

.homepage-header .header-container {
    width: 100%;
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 32px;
}

.homepage-header .navbar {
    display: flex;
    align-items: center;
    height: 100%;
}

.homepage-header .logo-link {
    margin-right: 32px;
    text-decoration: none;
}

.homepage-header .header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 200ms;
}

.homepage-header .header-logo:hover { transform: translateY(-2px); }

.homepage-header .logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
}

.homepage-header .brand {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.homepage-header .brand-name {
    color: #0f172a;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -.025em;
    line-height: 1.2;
}

.homepage-header .brand-subtitle {
    margin-top: 6px;
    color: #4f46e5;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .15em;
    line-height: 1;
    text-transform: uppercase;
}

.homepage-header .nav-menu {
    display: flex;
    align-items: center;
    flex: 1;
    gap: 4px;
}

.homepage-header .nav-link {
    padding: 8px 16px;
    color: #475569;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 200ms;
}

.homepage-header .nav-link:hover {
    color: #4f46e5;
    background-color: #f8fafc;
}

.homepage-header .nav-link.active {
    color: #4f46e5;
    background-color: #eef2ff;
}

.homepage-header .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.homepage-header .header-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border: 0;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: all 200ms;
}

.homepage-header .header-button.outline {
    color: #334155;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .05);
}

.homepage-header .header-button.outline:hover { background-color: #f8fafc; }

.homepage-header .header-button.primary {
    color: #fff;
    background-color: #4f46e5;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .05);
}

.homepage-header .header-button.primary:hover {
    background-color: #4338ca;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);
}

.homepage-header .mobile-menu-toggle {
    display: none;
    padding: 8px;
    color: #475569;
    background: none;
    border: 0;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.hero {
    position: relative;
    padding: 92px 24px 108px;
    overflow: hidden;
    text-align: center;
    background:
        radial-gradient(circle at 18% 12%, rgba(83, 111, 255, .13), transparent 28%),
        radial-gradient(circle at 84% 24%, rgba(151, 76, 255, .15), transparent 27%),
        linear-gradient(180deg, #fbfaff 0%, #fff 76%);
}
.hero::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -220px;
    width: 720px;
    height: 420px;
    background: rgba(109, 74, 255, .08);
    border-radius: 50%;
    filter: blur(70px);
    transform: translateX(-50%);
}
.hero-inner { position: relative; z-index: 1; width: min(1060px, 100%); margin: auto; }
.hero-badge {
    width: fit-content;
    margin: 0 auto 28px;
    padding: 8px 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6545df;
    background: rgba(238, 233, 255, .84);
    border: 1px solid #ddd4ff;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 750;
}
.hero-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    background: #7552ef;
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(117, 82, 239, .11);
}
.hero h1 {
    max-width: 1060px;
    margin: 0 auto 28px;
    color: #141c2e;
    font-size: clamp(40px, 5.1vw, 62px);
    line-height: 1.14;
    letter-spacing: -.06em;
    text-wrap: balance;
}
.agent-highlight {
    display: inline-block;
    padding: .04em .03em .08em;
    margin: -.04em -.03em -.08em;
    color: transparent;
    background: linear-gradient(100deg, #5d45e8, #9a4ff2);
    background-clip: text;
    -webkit-background-clip: text;
}
.hero-description {
    max-width: 960px;
    margin: 0 auto 40px;
    color: #687287;
    font-size: 17px;
    line-height: 2;
    text-wrap: balance;
}
.hero-actions { display: flex; justify-content: center; gap: 20px; }
.hero-button {
    padding: 15px 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #535d70;
    background: #fff;
    border: 1px solid #dedbe8;
    border-radius: 11px;
    box-shadow: 0 7px 18px rgba(38, 32, 69, .06);
    text-decoration: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 15px;
    font-weight: 750;
}
.hero-button.primary {
    color: #fff;
    background: linear-gradient(135deg, #7655f1, #5c3ddd);
    border-color: transparent;
    box-shadow: 0 10px 24px rgba(92, 61, 221, .24);
}
.trust-bar {
    padding: 22px 24px;
    background: #fff;
    border-top: 1px solid #f0eef5;
    border-bottom: 1px solid #f0eef5;
}
.trust-inner {
    width: min(960px, 100%);
    margin: auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}
.trust-item { border-right: 1px solid #eceaf2; }
.trust-item:last-child { border: 0; }
.trust-item b { display: block; margin-bottom: 4px; color: #5f43dd; font-size: 22px; }
.trust-item span { color: #8790a2; font-size: 10px; }

.page {
    padding: 76px 24px 96px;
    background:
        radial-gradient(circle at 78% 42%, rgba(109, 74, 255, .07), transparent 30%),
        linear-gradient(#fff, #fbfaff);
}

.section-heading {
    max-width: 900px;
    margin: 0 auto 38px;
    text-align: center;
}
.section-kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: #7151e6;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .13em;
}
.section-heading h2 {
    margin: 0 0 16px;
    color: #172033;
    font-size: clamp(30px, 4vw, 42px);
    letter-spacing: -.035em;
}
.section-heading p {
    margin: 0;
    color: #70798d;
    font-size: 15px;
    line-height: 1.8;
}
.feature-jump-nav {
    width: min(980px, 100%);
    margin: 0 auto 82px;
    padding: 9px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 7px;
    background: rgba(255, 255, 255, .96);
    border: 1px solid #e2dfeb;
    border-radius: 15px;
    box-shadow: 0 12px 30px rgba(40, 33, 74, .07);
}
.feature-jump-nav a {
    padding: 10px 6px;
    color: #697286;
    border-radius: 9px;
    text-align: center;
    text-decoration: none;
    font-size: 10px;
    font-weight: 750;
    transition: color .2s ease, background .2s ease;
}
.feature-jump-nav a:hover {
    color: #6847e4;
    background: #efebff;
}

.feature-row {
    width: min(1180px, 100%);
    margin: 0 auto 128px;
    display: grid;
    grid-template-columns: .88fr 1.12fr;
    align-items: center;
    gap: 64px;
    scroll-margin-top: 92px;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row.reverse { grid-template-columns: 1.12fr .88fr; }
.feature-row.reverse .feature-copy { order: 2; margin-left: auto; }
.feature-row.reverse .feature-visual-panel { order: 1; }

.feature-copy { max-width: 480px; }
.feature-number {
    margin-bottom: 13px;
    color: #7659e8;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: .14em;
}
.feature-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    display: grid;
    place-items: center;
    color: #5e45e8;
    background: #f0edff;
    border: 1px solid #ddd6ff;
    border-radius: 14px;
    font-size: 20px;
}
.feature-title-row {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.feature-copy h3 {
    margin: 0;
    color: #151d2e;
    font-size: clamp(28px, 3vw, 36px);
    letter-spacing: -.03em;
}
.feature-copy > p {
    margin: 0 0 26px;
    color: #647086;
    font-size: 16px;
    line-height: 1.9;
}
.feature-points {
    margin: 0 0 30px;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
}
.feature-points li {
    padding: 7px 11px;
    color: #5e47c9;
    background: #f2efff;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 650;
}
.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #6847e4;
    text-decoration: none;
    font-size: 14px;
    font-weight: 750;
}
.feature-points.check-list {
    display: grid;
    gap: 10px;
}
.feature-points.check-list li {
    padding: 0;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #50596c;
    background: transparent;
    font-size: 12px;
}
.feature-points.check-list li::before {
    content: "✓";
    width: 19px;
    height: 19px;
    display: grid;
    place-items: center;
    color: #6847e4;
    background: #efebff;
    border-radius: 6px;
    font-size: 9px;
    font-weight: 850;
}
.feature-actions { display: flex; gap: 10px; }
.feature-action-button {
    padding: 10px 15px;
    color: #586174;
    background: #fff;
    border: 1px solid #dedbe7;
    border-radius: 9px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 750;
    text-decoration: none;
    text-align: center;
}
.feature-action-button.primary {
    color: #fff;
    background: var(--violet);
    border-color: var(--violet);
    box-shadow: 0 8px 18px rgba(109, 74, 255, .18);
}

.feature-visual-panel {
    min-width: 0;
    padding: 30px;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 10%, rgba(111, 75, 255, .11), transparent 34%),
        #faf9ff;
    border: 1px solid #e2dfec;
    border-radius: 24px;
    box-shadow: 0 22px 55px rgba(37, 31, 72, .1);
}
.mock-window {
    overflow: hidden;
    background: rgba(255, 255, 255, .94);
    border: 1px solid #e9e6f1;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(47, 39, 84, .08);
}
.mock-head {
    height: 46px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #293145;
    border-bottom: 1px solid #efedf4;
    font-size: 12px;
    font-weight: 750;
}
.mock-status { color: #20aa73; font-size: 10px; font-weight: 700; }
.mock-body { padding: 18px; }
.field-label { margin-bottom: 7px; color: #858da0; font-size: 9px; }
.brand-input {
    height: 42px;
    padding: 0 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #30384a;
    background: #fafafe;
    border: 1px solid #e7e4ef;
    border-radius: 10px;
    font-size: 11px;
}
.agent-action {
    padding: 7px 10px;
    color: #fff;
    background: var(--violet);
    border-radius: 8px;
    font-size: 9px;
    font-weight: 750;
}
.asset-flow {
    margin-top: 17px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.asset-card {
    min-height: 67px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid #ece9f3;
    border-radius: 12px;
}
.asset-card i, .account-logo, .metric-icon {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    color: #6d4aff;
    background: #eeeaff;
    border-radius: 9px;
    font-style: normal;
}
.asset-card i { width: 32px; height: 32px; font-size: 14px; }
.asset-card strong { display: block; margin-bottom: 4px; font-size: 10px; }
.asset-card span { color: #687287; font-size: 8px; }

.brand-agent-demo {
    position: relative;
    height: 310px;
    overflow: hidden;
}
.brand-scene {
    position: absolute;
    inset: 0;
    padding: 20px;
}
.brand-chat-scene {
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: brand-chat-scene 12s ease-in-out infinite;
}
.brand-agent {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-agent-avatar {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, #8064ff, #5b3bea);
    border-radius: 12px;
    box-shadow: 0 7px 16px rgba(94, 59, 234, .2);
}
.brand-agent strong { display: block; margin-bottom: 2px; font-size: 11px; }
.brand-agent span { color: #687287; font-size: 8px; }
.brand-agent-message {
    width: fit-content;
    max-width: 80%;
    margin-bottom: 14px;
    padding: 11px 14px;
    color: #596174;
    background: #f3f1fa;
    border-radius: 5px 14px 14px;
    font-size: 10px;
    line-height: 1.6;
}
.brand-user-message {
    align-self: flex-end;
    width: 76%;
    padding: 12px 14px;
    color: #fff;
    background: linear-gradient(135deg, #7755f5, #6240e8);
    border-radius: 14px 5px 14px 14px;
    box-shadow: 0 9px 20px rgba(102, 68, 230, .18);
    opacity: 0;
    transform: translateY(10px);
    animation: brand-message-in 12s ease infinite;
}
.brand-user-message small {
    display: block;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, .72);
    font-size: 8px;
}
.brand-user-message b {
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
}
.brand-user-message span { font-size: 9px; opacity: .92; }
.brand-thinking {
    margin-top: 13px;
    display: flex;
    align-items: center;
    gap: 7px;
    color: #7050e8;
    font-size: 9px;
    font-weight: 750;
    opacity: 0;
    animation: brand-thinking 12s ease infinite;
}
.brand-thinking::before {
    content: "✦";
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    color: #fff;
    background: #7351ef;
    border-radius: 7px;
}
.brand-assets-scene {
    padding: 0;
    background: #fff;
    opacity: 0;
    transform: translateX(8%);
    animation: brand-assets-scene 12s ease-in-out infinite;
}
.brand-assets-scene .mock-head { height: 46px; }
.brand-assets-scene .mock-body { padding: 16px; }
.brand-assets-scene .asset-card {
    opacity: 0;
    transform: translateY(12px);
    animation: brand-asset-created 12s cubic-bezier(.2, .8, .2, 1) infinite;
}
.brand-assets-scene .asset-card:nth-child(2) { animation-delay: .16s; }
.brand-assets-scene .asset-card:nth-child(3) { animation-delay: .32s; }
.brand-assets-scene .asset-card:nth-child(4) { animation-delay: .48s; }
.asset-complete {
    margin-top: 10px;
    color: #17a66f;
    text-align: center;
    font-size: 9px;
    font-weight: 750;
    opacity: 0;
    animation: brand-complete 12s ease infinite;
}
@keyframes brand-message-in {
    0%, 8% { opacity: 0; transform: translateY(10px); }
    14%, 47% { opacity: 1; transform: none; }
    52%, 100% { opacity: 1; transform: none; }
}
@keyframes brand-thinking {
    0%, 22% { opacity: 0; }
    27%, 45% { opacity: 1; }
    50%, 100% { opacity: 0; }
}
@keyframes brand-chat-scene {
    0%, 45% { opacity: 1; transform: translateX(0); }
    51%, 94% { opacity: 0; transform: translateX(-8%); }
    100% { opacity: 1; transform: translateX(0); }
}
@keyframes brand-assets-scene {
    0%, 45% { opacity: 0; transform: translateX(8%); }
    52%, 94% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(8%); }
}
@keyframes brand-asset-created {
    0%, 48% { opacity: 0; transform: translateY(12px); }
    57%, 94% { opacity: 1; transform: none; }
    100% { opacity: 0; transform: translateY(5px); }
}
@keyframes brand-complete {
    0%, 72% { opacity: 0; transform: translateY(5px); }
    78%, 91% { opacity: 1; transform: none; }
    96%, 100% { opacity: 0; }
}

.agent-task-demo {
    position: relative;
    height: 330px;
    overflow: hidden;
}
.task-scene {
    position: absolute;
    inset: 0;
}
.task-chat-scene {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: task-chat-scene 12s ease-in-out infinite;
}
.task-chat-scene .brand-agent { margin-bottom: 16px; }
.task-chat-scene .brand-agent-message { max-width: 88%; margin-bottom: 13px; }
.task-user-message {
    width: 82%;
    padding: 12px 14px;
    align-self: flex-end;
    color: #fff;
    background: linear-gradient(135deg, #7755f5, #6240e8);
    border-radius: 14px 5px 14px 14px;
    box-shadow: 0 9px 20px rgba(102, 68, 230, .18);
    font-size: 12px;
    line-height: 1.65;
    opacity: 0;
    transform: translateY(10px);
    animation: task-message-in 12s ease infinite;
}
.task-user-message b { display: block; margin-bottom: 4px; font-size: 12px; }
.task-thinking {
    margin-top: 13px;
    display: flex;
    align-items: center;
    gap: 7px;
    color: #7050e8;
    font-size: 11px;
    font-weight: 750;
    opacity: 0;
    animation: task-thinking 12s ease infinite;
}
.task-thinking::before {
    content: "✦";
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    color: #fff;
    background: #7351ef;
    border-radius: 7px;
}
.task-result-scene {
    background: #fff;
    opacity: 0;
    transform: translateX(8%);
    animation: task-result-scene 12s ease-in-out infinite;
}
.task-result-scene .mock-head { height: 46px; }
.task-result-scene .mock-body { padding: 13px 15px; }
.task-plan-summary {
    margin-bottom: 10px;
    padding: 9px 11px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: #596174;
    background: #f4f1ff;
    border: 1px solid #e5defe;
    border-radius: 10px;
    font-size: 11px;
    opacity: 0;
    transform: translateY(8px);
    animation: task-item-in 12s ease infinite;
}
.task-plan-summary strong { color: #5f42d7; font-size: 11px; }
.account-task-demo .account-grid { grid-template-columns: repeat(2, 1fr); }
.task-result-scene .account-card,
.task-result-scene .media-row {
    animation-name: task-item-in;
    animation-duration: 12s;
}
.task-result-scene .account-toast,
.task-result-scene .media-toast {
    animation: task-complete 12s ease infinite;
}
.media-task-demo .media-list { gap: 5px; }
.media-task-demo .media-row { padding: 7px 9px; }
@keyframes task-message-in {
    0%, 8% { opacity: 0; transform: translateY(10px); }
    14%, 47% { opacity: 1; transform: none; }
    52%, 100% { opacity: 1; transform: none; }
}
@keyframes task-thinking {
    0%, 22% { opacity: 0; }
    27%, 45% { opacity: 1; }
    50%, 100% { opacity: 0; }
}
@keyframes task-chat-scene {
    0%, 45% { opacity: 1; transform: translateX(0); }
    51%, 94% { opacity: 0; transform: translateX(-8%); }
    100% { opacity: 1; transform: translateX(0); }
}
@keyframes task-result-scene {
    0%, 45% { opacity: 0; transform: translateX(8%); }
    52%, 94% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(8%); }
}
@keyframes task-item-in {
    0%, 49% { opacity: 0; transform: translateY(8px); }
    57%, 94% { opacity: 1; transform: none; }
    100% { opacity: 0; transform: translateY(4px); }
}
@keyframes task-complete {
    0%, 70% { opacity: 0; transform: translateY(5px); }
    76%, 91% { opacity: 1; transform: none; }
    96%, 100% { opacity: 0; }
}

.account-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
}
.account-card {
    padding: 12px 10px;
    background: #fff;
    border: 1px solid #ece9f3;
    border-radius: 12px;
    opacity: 0;
    transform: translateY(10px);
    animation: account-check 10s cubic-bezier(.2, .8, .2, 1) infinite;
}
.account-card:nth-child(2) { animation-delay: .15s; }
.account-card:nth-child(3) { animation-delay: .3s; }
.account-card:nth-child(4) { animation-delay: .45s; }
.account-card:nth-child(5) { animation-delay: .6s; }
.account-card:nth-child(6) { animation-delay: .75s; }
.account-top { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.account-logo { width: 28px; height: 28px; font-size: 10px; font-weight: 850; }
.account-name { font-size: 9px; font-weight: 750; }
.online { color: #19a970; font-size: 8px; animation: online-pulse 1.8s ease-in-out infinite; }
.account-line { height: 4px; margin-top: 5px; background: #eeecf4; border-radius: 4px; }
.account-line.short { width: 65%; }
.account-toast, .media-toast, .monitor-scan, .monitor-complete {
    margin-top: 11px;
    padding: 8px 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    color: #6245d9;
    background: #f0ecff;
    border-radius: 9px;
    font-size: 9px;
    font-weight: 750;
    opacity: 0;
}
.account-toast { animation: account-toast 10s ease infinite; }

.media-toolbar {
    margin-bottom: 12px;
    display: flex;
    gap: 7px;
}
.filter-pill {
    padding: 6px 9px;
    color: #6d7485;
    background: #f5f4f9;
    border-radius: 7px;
    font-size: 8px;
}
.filter-pill.active { color: #6545df; background: #eee9ff; font-weight: 750; }
.media-list { display: grid; gap: 8px; }
.media-row {
    padding: 10px 12px;
    display: grid;
    grid-template-columns: 1.5fr .8fr .8fr auto;
    align-items: center;
    gap: 9px;
    color: #7b8496;
    background: #fff;
    border: 1px solid #ece9f3;
    border-radius: 10px;
    font-size: 8px;
    opacity: 0;
    transform: translateX(12px);
    animation: media-match 10s cubic-bezier(.2, .8, .2, 1) infinite;
}
.media-row:nth-child(2) { animation-delay: .18s; }
.media-row:nth-child(3) { animation-delay: .36s; }
.media-row:nth-child(4) { animation-delay: .54s; }
.media-row strong { color: #30384a; font-size: 9px; }
.media-select {
    padding: 5px 8px;
    color: #6545df;
    background: #eee9ff;
    border-radius: 6px;
    font-weight: 750;
    animation: media-selected 10s ease infinite;
}
.media-toast { color: #149768; background: #eafaf3; animation: media-toast 10s ease infinite; }
.monitor-complete {
    color: #149768;
    background: #eafaf3;
    animation: task-complete 12s ease infinite;
}

.metric-grid {
    margin-bottom: 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
}
.metric-card {
    padding: 12px;
    background: #fff;
    border: 1px solid #ece9f3;
    border-radius: 12px;
    opacity: 0;
    transform: translateY(8px);
    animation: metric-reveal 10s ease infinite;
}
.metric-card:nth-child(2) { animation-delay: .18s; }
.metric-card:nth-child(3) { animation-delay: .36s; }
.metric-card span { color: #8c94a5; font-size: 8px; }
.metric-card b { display: block; margin: 7px 0 4px; font-size: 18px; }
.metric-card small { color: #16a56e; font-size: 8px; }
.chart-card {
    height: 126px;
    padding: 13px;
    background: #fff;
    border: 1px solid #ece9f3;
    border-radius: 12px;
    opacity: 0;
    animation: chart-reveal 10s ease infinite;
}
.chart-title { margin-bottom: 13px; font-size: 9px; font-weight: 750; }
.chart {
    height: 75px;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    border-bottom: 1px solid #ebe9f1;
}
.chart i {
    flex: 1;
    height: var(--h);
    background: linear-gradient(#8c70f6, #dcd4ff);
    border-radius: 5px 5px 0 0;
    animation: chart-rise 2.2s ease-in-out infinite alternate;
}
.monitor-scan {
    margin: 0 0 10px;
    justify-content: flex-start;
    animation: monitor-scan 10s ease infinite;
}
.monitor-scan::before {
    content: "";
    width: 7px;
    height: 7px;
    background: #7351ef;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(115, 81, 239, .4);
    animation: scan-pulse 1.3s ease-out infinite;
}
.monitor-task-demo .monitor-scan,
.monitor-task-demo .metric-card,
.monitor-task-demo .chart-card {
    animation-name: task-item-in;
    animation-duration: 12s;
}
.monitor-task-demo .metric-card:nth-child(2) { animation-delay: .18s; }
.monitor-task-demo .metric-card:nth-child(3) { animation-delay: .36s; }
.monitor-task-demo .chart-card { height: 98px; animation-delay: .44s; }
.monitor-task-demo .chart { height: 51px; }
.monitor-task-demo .chart-title { margin-bottom: 8px; }
@keyframes chart-rise { from { transform: scaleY(.65); transform-origin: bottom; } to { transform: scaleY(1); transform-origin: bottom; } }
@keyframes account-check {
    0%, 8% { opacity: 0; transform: translateY(10px); }
    18%, 86% { opacity: 1; transform: none; border-color: #dcd5fb; }
    94%, 100% { opacity: 0; transform: translateY(-3px); }
}
@keyframes online-pulse { 50% { opacity: .55; } }
@keyframes account-toast {
    0%, 44% { opacity: 0; transform: translateY(5px); }
    52%, 84% { opacity: 1; transform: none; }
    92%, 100% { opacity: 0; }
}
@keyframes media-match {
    0%, 7% { opacity: 0; transform: translateX(12px); }
    17%, 87% { opacity: 1; transform: none; }
    95%, 100% { opacity: 0; transform: translateX(-3px); }
}
@keyframes media-selected {
    0%, 36% { color: #6545df; background: #eee9ff; }
    44%, 88% { color: #11885d; background: #e6f8ef; }
}
@keyframes media-toast {
    0%, 52% { opacity: 0; transform: translateY(5px); }
    60%, 86% { opacity: 1; transform: none; }
    94%, 100% { opacity: 0; }
}
@keyframes monitor-scan {
    0%, 7% { opacity: 0; }
    14%, 32% { opacity: 1; }
    40%, 100% { opacity: 0; }
}
@keyframes metric-reveal {
    0%, 28% { opacity: 0; transform: translateY(8px); }
    40%, 90% { opacity: 1; transform: none; }
    97%, 100% { opacity: 0; }
}
@keyframes chart-reveal {
    0%, 43% { opacity: 0; transform: translateY(7px); }
    53%, 91% { opacity: 1; transform: none; }
    98%, 100% { opacity: 0; }
}
@keyframes scan-pulse {
    100% { box-shadow: 0 0 0 7px rgba(115, 81, 239, 0); }
}

.workflow-section {
    padding: 92px 24px;
    background:
        radial-gradient(circle at 82% 12%, rgba(118, 81, 239, .1), transparent 30%),
        linear-gradient(180deg, #f8f6ff 0%, #fbfaff 100%);
    color: #172033;
}
.workflow-inner { width: min(1100px, 100%); margin: auto; }
.workflow-heading { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.workflow-heading span { color: #7151e6; font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.workflow-heading h2 { margin: 12px 0; font-size: 34px; letter-spacing: -.035em; }
.workflow-heading p { margin: 0; color: #747d90; font-size: 14px; line-height: 1.8; }
.workflow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.workflow-card {
    position: relative;
    padding: 22px 17px;
    background: rgba(255, 255, 255, .92);
    border: 1px solid #e0dbea;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(52, 42, 91, .055);
}
.workflow-card::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -12px;
    z-index: 2;
    color: #7959e8;
    transform: translateY(-50%);
}
.workflow-card:last-child::after { display: none; }
.workflow-card b { display: block; margin-bottom: 14px; color: #7252e6; font-size: 10px; }
.workflow-card strong { display: block; margin-bottom: 7px; color: #293145; font-size: 13px; }
.workflow-card span { color: #7b8496; font-size: 9px; line-height: 1.6; }

.content-section {
    padding: 92px 24px;
    background: #fff;
}
.content-section.soft { background: #f8f8fc; }
.content-inner { width: min(1100px, 100%); margin: auto; }
.content-heading {
    max-width: 650px;
    margin: 0 auto 48px;
    text-align: center;
}
.content-heading span {
    color: #7151e6;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .13em;
}
.content-heading h2 {
    margin: 12px 0 13px;
    color: #172033;
    font-size: 36px;
    letter-spacing: -.04em;
}
.content-heading p { margin: 0; color: #747d90; font-size: 14px; line-height: 1.8; }
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.advantage-card {
    padding: 27px 22px;
    background: #fff;
    border: 1px solid #e8e6ef;
    border-radius: 17px;
    box-shadow: 0 9px 25px rgba(40, 34, 74, .045);
}
.advantage-card i {
    width: 43px;
    height: 43px;
    margin-bottom: 19px;
    display: grid;
    place-items: center;
    color: #6847e4;
    background: #efebff;
    border-radius: 12px;
    font-style: normal;
    font-size: 17px;
}
.advantage-card h3 { margin: 0 0 10px; font-size: 15px; }
.advantage-card p { margin: 0; color: #7b8496; font-size: 11px; line-height: 1.75; }
.outcome-block {
    margin-top: 72px;
    padding-top: 64px;
    border-top: 1px solid #e7e4ee;
}
.outcome-heading {
    max-width: 680px;
    margin: 0 auto 38px;
    text-align: center;
}
.outcome-heading span {
    color: #7151e6;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .13em;
}
.outcome-heading h3 {
    margin: 12px 0 13px;
    color: #172033;
    font-size: 30px;
    letter-spacing: -.035em;
}
.outcome-heading p {
    margin: 0;
    color: #747d90;
    font-size: 13px;
    line-height: 1.8;
}
.outcome-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.outcome-card {
    position: relative;
    min-height: 190px;
    padding: 25px 21px;
    overflow: hidden;
    background: linear-gradient(145deg, #fff, #fbfaff);
    border: 1px solid #e4e0ee;
    border-radius: 17px;
    box-shadow: 0 10px 26px rgba(42, 34, 80, .05);
}
.outcome-card::after {
    content: attr(data-number);
    position: absolute;
    right: 13px;
    bottom: -14px;
    color: rgba(105, 72, 237, .055);
    font-size: 72px;
    font-weight: 850;
    line-height: 1;
}
.outcome-card i {
    width: 40px;
    height: 40px;
    margin-bottom: 18px;
    display: grid;
    place-items: center;
    color: #6847e4;
    background: #efebff;
    border-radius: 12px;
    font-style: normal;
    font-size: 16px;
}
.outcome-card h4 {
    position: relative;
    z-index: 1;
    margin: 0 0 10px;
    font-size: 14px;
}
.outcome-card p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: #788195;
    font-size: 10px;
    line-height: 1.75;
}

.comparison-section {
    background:
        radial-gradient(circle at 82% 8%, rgba(111, 74, 255, .1), transparent 28%),
        linear-gradient(180deg, #fff, #faf9ff);
    border-top: 1px solid #efedf6;
    border-bottom: 1px solid #efedf6;
}
.comparison-layout {
    display: block;
}
.comparison-table-wrap {
    overflow: hidden;
    background: #fff;
    border: 1px solid #e3e0ed;
    border-radius: 18px;
    box-shadow: 0 14px 36px rgba(48, 38, 91, .06);
}
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    color: #515b70;
    font-size: 13px;
    line-height: 1.65;
}
.comparison-table th,
.comparison-table td {
    padding: 15px 18px;
    border-bottom: 1px solid #ece9f2;
    text-align: left;
    vertical-align: top;
}
.comparison-table tr:last-child th,
.comparison-table tr:last-child td { border-bottom: 0; }
.comparison-table thead th {
    color: #172033;
    background: #f7f5ff;
    font-size: 13px;
    font-weight: 800;
}
.comparison-table th:first-child { width: 18%; }
.comparison-table th:nth-child(2) { width: 44%; }
.comparison-table tbody th {
    color: #172033;
    font-weight: 750;
}
.comparison-table .jituigeo-column {
    color: #27213f;
    background: rgba(111, 74, 255, .035);
}
.comparison-table .check {
    margin-right: 6px;
    color: #6b48ef;
    font-weight: 900;
}
.pricing-section {
    background: #fafafd;
    border-bottom: 1px solid #efedf6;
}
.pricing-showcase {
    max-width: 820px;
    margin: 0 auto;
    padding: 42px 46px;
    background: #fff;
    border: 1px solid #e8e5ef;
    border-radius: 20px;
    box-shadow: 0 12px 36px rgba(39, 31, 80, .06);
}
.pricing-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    align-items: center;
    gap: 48px;
}
.pricing-kicker {
    color: #6d4aff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
}
.pricing-message h3 {
    margin: 10px 0 10px;
    color: #182033;
    font-size: 30px;
    line-height: 1.3;
    letter-spacing: -.025em;
}
.pricing-message p {
    margin: 0;
    color: #6c7588;
    font-size: 13px;
    line-height: 1.75;
}
.pricing-value {
    padding-left: 38px;
    border-left: 1px solid #ece9f2;
}
.pricing-value > span {
    display: block;
    color: #7c8496;
    font-size: 11px;
    font-weight: 750;
}
.pricing-value-line {
    margin-top: 5px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}
.pricing-value-line i {
    color: #6845e5;
    font-size: 20px;
    font-style: normal;
    font-weight: 800;
}
.pricing-value-line b {
    color: #5f3de0;
    font-size: 58px;
    line-height: 1;
    letter-spacing: -.06em;
}
.pricing-value-line small {
    color: #454d60;
    font-size: 14px;
    font-weight: 800;
}
.pricing-bottom {
    margin-top: 30px;
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    border-top: 1px solid #efedf3;
}
.pricing-benefits {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}
.pricing-benefits li {
    color: #565f72;
    font-size: 12px;
    white-space: nowrap;
}
.pricing-benefits li::before {
    content: "✓";
    margin-right: 6px;
    color: #6844e7;
    font-weight: 900;
}
.pricing-benefits strong {
    color: inherit;
    font-size: inherit;
}
.pricing-action {
    flex: 0 0 auto;
}
.pricing-action a {
    min-height: 44px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #fff;
    background: #6542e8;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 7px 16px rgba(91, 58, 224, .18);
    transition: transform .2s ease, box-shadow .2s ease;
}
.pricing-action a:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(91, 58, 224, .28);
}

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card {
    padding: 25px;
    background: #fff;
    border: 1px solid #e7e5ee;
    border-radius: 17px;
    box-shadow: 0 10px 28px rgba(41, 35, 75, .055);
}
.stars { margin-bottom: 16px; color: #f3aa2d; font-size: 12px; letter-spacing: 2px; }
.review-card > p { min-height: 92px; margin: 0 0 21px; color: #606a7d; font-size: 12px; line-height: 1.85; }
.review-author { display: flex; align-items: center; gap: 11px; }
.review-avatar {
    width: 37px;
    height: 37px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, #8064ff, #5b3bea);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 750;
}
.review-author strong { display: block; margin-bottom: 3px; font-size: 11px; }
.review-author span { color: #687287; font-size: 9px; }

.insights-section {
    background:
        radial-gradient(circle at 12% 0%, rgba(109, 74, 255, .08), transparent 28%),
        linear-gradient(180deg, #fbfaff, #fff);
    border-top: 1px solid #efedf5;
}
.insights-heading-row {
    margin-bottom: 42px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}
.insights-heading-row .content-heading { margin: 0; text-align: left; }
.insights-all {
    flex: 0 0 auto;
    color: #6545df;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}
.insights-all:hover { text-decoration: underline; }
.insight-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}
.insight-card {
    min-height: 270px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #e7e4f0;
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(41, 35, 75, .05);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.insight-card:hover {
    transform: translateY(-4px);
    border-color: #d6cff7;
    box-shadow: 0 16px 38px rgba(67, 48, 143, .1);
}
.insight-category {
    width: fit-content;
    margin-bottom: 17px;
    padding: 6px 9px;
    color: #6545df;
    background: #f0ecff;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 750;
}
.insight-card h3 {
    margin: 0 0 13px;
    color: #252d3e;
    font-size: 17px;
    line-height: 1.55;
    letter-spacing: -.01em;
}
.insight-card h3 a { color: inherit; text-decoration: none; }
.insight-card h3 a::after { content: ""; position: absolute; inset: 0; }
.insight-card { position: relative; }
.insight-card p {
    margin: 0 0 22px;
    color: #697386;
    font-size: 13px;
    line-height: 1.75;
}
.insight-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #7b8496;
    font-size: 11px;
}
.insight-meta b { color: #6545df; font-weight: 750; }

.faq-list { width: min(780px, 100%); margin: auto; }
.faq-item {
    margin-bottom: 10px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e6e4ed;
    border-radius: 13px;
}
.faq-question {
    width: 100%;
    padding: 18px 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 24px;
    align-items: center;
    gap: 18px;
    color: #283044;
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
    font: inherit;
    font-size: 13px;
    font-weight: 750;
    line-height: 1.6;
}
.faq-question span { min-width: 0; }
.faq-question i {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    color: #7454e8;
    background: #f0ecff;
    border-radius: 7px;
    font-style: normal;
    transition: transform .25s ease;
}
.faq-answer {
    max-height: 0;
    padding: 0 62px 0 20px;
    overflow: hidden;
    color: #747d90;
    font-size: 11px;
    line-height: 1.85;
    transition: max-height .35s ease, padding .35s ease;
}
.faq-item.open { border-color: #dcd5f8; box-shadow: 0 8px 22px rgba(70, 52, 139, .05); }
.faq-item.open .faq-answer { padding: 0 62px 24px 20px; }
.faq-item.open .faq-question i { transform: rotate(45deg); }

.cta-section {
    padding: 88px 24px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 100%, rgba(118, 81, 239, .17), transparent 44%),
        #faf9ff;
}
.cta-section h2 { margin: 0 0 15px; font-size: 36px; letter-spacing: -.04em; }
.cta-section p { margin: 0 0 28px; color: #717a8d; font-size: 14px; }
.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
}
.kefu-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 24, 38, .52);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
}
.kefu-modal-overlay.active { opacity: 1; visibility: visible; }
.kefu-modal-box {
    position: relative;
    width: min(320px, 100%);
    padding: 36px 32px 28px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
    text-align: center;
    transform: translateY(10px) scale(.98);
    transition: transform .2s ease;
}
.kefu-modal-overlay.active .kefu-modal-box { transform: none; }
.kefu-modal-close {
    position: absolute;
    top: 14px;
    right: 18px;
    padding: 0;
    color: #94a3b8;
    background: none;
    border: 0;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
}
.kefu-modal-close:hover,
.kefu-modal-close:focus-visible { color: #475569; }
.kefu-modal-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: grid;
    place-items: center;
    color: #fff;
    background: #07c160;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 800;
}
.kefu-modal-title { margin: 0 0 10px; color: #1e293b; font-size: 20px; }
.kefu-modal-desc { margin: 0 0 16px; color: #64748b; font-size: 14px; line-height: 1.6; }
.kefu-modal-qrcode {
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
}
.kefu-modal-qrcode img { width: 100%; height: 100%; object-fit: contain; }
.kefu-modal-time { margin: 0; color: #778196; font-size: 12px; }
.footer {
    padding: 60px 24px 0;
    color: #667085;
    background: linear-gradient(180deg, #fff 0%, #fafaff 100%);
    border-top: 1px solid #eceaf2;
    font-size: 13px;
}
.footer-inner {
    width: min(1180px, 100%);
    margin: auto;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 72px;
}
.footer-brand-copy {
    max-width: 380px;
    flex: 1 1 380px;
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}
.footer-brand-mark {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    object-fit: contain;
}
.footer-brand-name {
    display: flex;
    flex-direction: column;
    gap: 4px;
    line-height: 1;
}
.footer-brand-name strong {
    color: #172033;
    font-size: 20px;
    font-weight: 850;
    letter-spacing: -.03em;
}
.footer-brand-name small {
    color: #6d4aff;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .16em;
}
.footer-tagline {
    margin: 18px 0 0;
    color: #596579;
    font-size: 13px;
    line-height: 1.7;
}
.footer-tagline span {
    display: block;
    color: #929bad;
    font-size: 12px;
}
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(100px, 1fr));
    gap: 72px;
}
.footer-column { display: grid; align-content: start; gap: 12px; }
.footer-column h4 {
    margin: 0 0 4px;
    color: #293247;
    font-size: 13px;
    font-weight: 800;
}
.footer a { color: inherit; text-decoration: none; }
.footer-column a {
    font-size: 13px;
    transition: color .2s ease;
}
.footer-column a:hover,
.footer-bottom a:hover { color: #6847e4; }
.footer-bottom {
    width: min(1180px, 100%);
    margin: 46px auto 0;
    padding: 20px 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid #eeecf3;
    color: #929bad;
    text-align: left;
    font-size: 11px;
}

/* 统一可读性字号：正式页面不低于 13px，产品演示辅助文字不低于 11px */
.homepage-header .nav-link,
.homepage-header .header-button {
    font-size: 14px;
}
.hero-badge,
.section-kicker,
.feature-number,
.content-heading span,
.outcome-heading span,
.workflow-heading span {
    font-size: 12px;
}
.trust-item span {
    font-size: 13px;
}
.feature-points li,
.feature-points.check-list li,
.feature-action-button,
.feature-link,
.feature-jump-nav a {
    font-size: 14px;
}
.preview-heading {
    font-size: 12px;
}

/* 动画与产品界面文字 */
.mock-head,
.mock-status,
.field-label,
.brand-input,
.agent-action,
.brand-agent strong,
.brand-agent-message,
.brand-user-message b,
.brand-thinking,
.account-name,
.online,
.media-row,
.media-row strong,
.filter-pill,
.metric-card span,
.metric-card small,
.chart-title,
.monitor-scan,
.monitor-complete,
.account-toast,
.media-toast,
.asset-complete {
    font-size: 11px;
}
.brand-agent span,
.brand-user-message small,
.brand-user-message span,
.asset-card span {
    font-size: 11px;
}
.asset-card strong {
    font-size: 12px;
}
.account-logo {
    font-size: 11px;
}
.agent-name,
.agent-bubble,
.user-bubble {
    font-size: 14px;
}
.agent-role,
.thinking,
.composer,
.count,
.article-title {
    font-size: 12px;
}
.eyebrow,
.article-meta,
.tag,
.done {
    font-size: 11px;
}

/* 产品优势、结果、流程、场景与 FAQ */
.advantage-card h3,
.outcome-card h4,
.review-card h3 {
    font-size: 16px;
}
.advantage-card p,
.outcome-card p,
.review-card > p,
.content-heading p,
.outcome-heading p,
.workflow-heading p,
.cta-section p {
    font-size: 14px;
}
.workflow-card b,
.workflow-card span,
.review-author strong,
.review-author span,
.faq-answer {
    font-size: 12px;
}
.workflow-card strong,
.faq-question {
    font-size: 14px;
}
.footer-bottom {
    font-size: 11px;
}

.preview {
    min-width: 0;
}

.preview-heading {
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #586176;
    font-size: 13px;
}

.stage {
    position: relative;
    aspect-ratio: 31 / 20;
    overflow: hidden;
    background: #fff;
    border: 1px solid #dedcea;
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(30, 25, 60, .12);
}

.stage::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: radial-gradient(circle at 80% 0%, rgba(133, 87, 255, .08), transparent 34%);
    pointer-events: none;
}

.agent-profile, .status, .article-meta {
    display: flex;
    align-items: center;
}

.avatar {
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, #8064ff, #5b3bea);
    box-shadow: 0 6px 16px rgba(94, 59, 234, .22);
}

.scene {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* 第一幕：Agent 对话 */
.chat-scene {
    display: grid;
    grid-template-rows: 1fr auto;
    padding: 28px 38px 23px;
    animation: scene-one 12s ease-in-out infinite;
}

.chat-area {
    width: min(620px, 100%);
    margin: auto;
    transform: translateY(-22px);
}
.agent-profile { gap: 11px; margin-bottom: 18px; }
.avatar { width: 39px; height: 39px; border-radius: 13px; font-size: 18px; }
.agent-name { font-size: 14px; font-weight: 720; }
.agent-role { margin-top: 2px; color: #687287; font-size: 11px; }

.agent-bubble {
    width: fit-content;
    max-width: 80%;
    margin: 0 0 16px 50px;
    padding: 12px 16px;
    color: #4d566a;
    background: #f3f1fa;
    border-radius: 5px 17px 17px 17px;
    font-size: 13px;
    line-height: 1.65;
}

.user-bubble {
    max-width: 76%;
    margin-left: auto;
    padding: 13px 17px;
    color: #fff;
    background: linear-gradient(135deg, #7555f5, #6341e8);
    border-radius: 17px 5px 17px 17px;
    box-shadow: 0 10px 24px rgba(102, 68, 230, .18);
    font-size: 13px;
    line-height: 1.65;
    opacity: 0;
    transform: translateY(12px) scale(.96);
    animation: message-in 12s cubic-bezier(.2, .8, .2, 1) infinite;
}

.thinking {
    margin: 18px 0 0 50px;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #7555ed;
    font-size: 12px;
    font-weight: 650;
    opacity: 0;
    animation: thinking-in 12s ease infinite;
}

.thinking-dots { display: flex; gap: 4px; }
.thinking-dots i {
    width: 5px;
    height: 5px;
    background: #7656ed;
    border-radius: 50%;
    animation: dot 1s ease-in-out infinite;
}
.thinking-dots i:nth-child(2) { animation-delay: .15s; }
.thinking-dots i:nth-child(3) { animation-delay: .3s; }

.composer {
    width: min(620px, 100%);
    height: 52px;
    margin: 0 auto;
    padding: 0 8px 0 17px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #6f788b;
    background: #fff;
    border: 1px solid #e5e3ee;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(35, 31, 58, .07);
    font-size: 12px;
}
.composer span { flex: 1; }
.send {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--violet);
    border-radius: 12px;
    font-size: 15px;
}

/* 第二幕：文章列表 */
.list-scene {
    padding: 21px 28px 22px;
    background: #fafafe;
    opacity: 0;
    transform: translateX(7%);
    pointer-events: none;
    animation: scene-two 12s ease-in-out infinite;
}

.list-header {
    margin-bottom: 14px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}
.eyebrow { margin-bottom: 5px; color: #886af0; font-size: 10px; font-weight: 750; letter-spacing: .11em; }
.list-header .demo-title { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.count { color: #7f8798; font-size: 11px; }
.count b { color: #6242df; font-size: 17px; }

.article-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 11px;
}

.article-card {
    position: relative;
    min-height: 76px;
    padding: 12px 14px 11px 59px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #eceaf3;
    border-radius: 15px;
    box-shadow: 0 5px 16px rgba(44, 37, 73, .045);
    opacity: 0;
    transform: translateY(18px);
    animation: card-create 12s cubic-bezier(.2, .8, .2, 1) infinite;
}
.article-card:nth-child(2) { animation-delay: .14s; }
.article-card:nth-child(3) { animation-delay: .28s; }
.article-card:nth-child(4) { animation-delay: .42s; }
.article-card:nth-child(5) { animation-delay: .56s; }
.article-card:nth-child(6) { animation-delay: .70s; }

.article-icon {
    position: absolute;
    left: 14px;
    top: 12px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    color: #7656ed;
    background: #eeeaff;
    border-radius: 10px;
    font-size: 16px;
}
.article-title {
    margin-bottom: 7px;
    overflow: hidden;
    color: #2c3445;
    font-size: 12px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-meta { gap: 7px; color: #687287; font-size: 9px; }
.tag { padding: 3px 6px; color: #6d4be0; background: #f0ecff; border-radius: 5px; }
.done { margin-left: auto; color: var(--green); font-weight: 700; }
.done::before { content: "✓"; margin-right: 3px; }

.success-flash {
    position: absolute;
    left: 50%;
    bottom: 23px;
    z-index: 4;
    padding: 9px 15px;
    color: #fff;
    background: #24283a;
    border-radius: 999px;
    box-shadow: 0 9px 25px rgba(20, 22, 36, .22);
    font-size: 11px;
    font-weight: 650;
    opacity: 0;
    transform: translate(-50%, 10px);
    animation: toast 12s ease infinite;
}
.success-flash b { color: #9af0c8; }

@keyframes message-in {
    0%, 8% { opacity: 0; transform: translateY(12px) scale(.96); }
    13%, 45% { opacity: 1; transform: none; }
    50%, 100% { opacity: 1; transform: none; }
}
@keyframes thinking-in {
    0%, 20% { opacity: 0; transform: translateY(5px); }
    25%, 44% { opacity: 1; transform: none; }
    49%, 100% { opacity: 0; }
}
@keyframes scene-one {
    0%, 43% { opacity: 1; transform: translateX(0); }
    49%, 94% { opacity: 0; transform: translateX(-7%); }
    100% { opacity: 1; transform: translateX(0); }
}
@keyframes scene-two {
    0%, 43% { opacity: 0; transform: translateX(7%); }
    50%, 94% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(7%); }
}
@keyframes card-create {
    0%, 48% { opacity: 0; transform: translateY(18px); }
    56%, 94% { opacity: 1; transform: none; }
    100% { opacity: 0; transform: translateY(8px); }
}
@keyframes toast {
    0%, 69% { opacity: 0; transform: translate(-50%, 10px); }
    74%, 86% { opacity: 1; transform: translate(-50%, 0); }
    91%, 100% { opacity: 0; transform: translate(-50%, -5px); }
}
@keyframes dot {
    0%, 100% { transform: translateY(0); opacity: .45; }
    50% { transform: translateY(-4px); opacity: 1; }
}

.stage.restart *,
.stage.restart *::before,
.stage.restart *::after,
.brand-agent-demo.restart *,
.brand-agent-demo.restart *::before,
.brand-agent-demo.restart *::after,
.feature-visual-panel.restart *,
.feature-visual-panel.restart *::before,
.feature-visual-panel.restart *::after { animation: none !important; }

@media (max-width: 680px) {
    .comparison-table-wrap { overflow-x: auto; }
    .comparison-table { min-width: 680px; }
    .stage { aspect-ratio: 4 / 3; border-radius: 18px; }
    .chat-scene { padding: 22px 20px 18px; }
    .chat-area { transform: translateY(-10px); }
    .list-scene { padding: 19px 16px; }
    .article-list { grid-template-columns: 1fr; gap: 8px; }
    .article-card { min-height: 66px; padding-top: 11px; padding-bottom: 10px; }
    .article-card:nth-child(n+5) { display: none; }
    .agent-bubble { margin-left: 0; }
    .thinking { margin-left: 0; }
}

@media (max-width: 768px) {
    .homepage-header .mobile-menu-toggle { display: block; }
    .homepage-header .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        z-index: 20;
        padding: 16px;
        align-items: stretch;
        flex-direction: column;
        background-color: #fff;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, .1);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-100%);
        transition: all 300ms;
    }
    .homepage-header .nav-menu.active {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }
    .homepage-header .nav-link { width: 100%; }
}

@media (max-width: 900px) {
    .hero { padding-top: 70px; }
    .page { padding: 56px 20px 70px; }
    .section-heading { margin-bottom: 44px; }
    .feature-jump-nav { margin-bottom: 62px; }
    .feature-row,
    .feature-row.reverse { grid-template-columns: 1fr; gap: 42px; margin-bottom: 84px; }
    .feature-row.reverse .feature-copy,
    .feature-row.reverse .feature-visual-panel { order: initial; margin-left: 0; }
    .feature-copy { max-width: 650px; }
    .workflow-grid { grid-template-columns: 1fr; }
    .workflow-card::after { display: none; }
    .pricing-showcase { padding: 36px; }
    .pricing-bottom { align-items: flex-start; flex-direction: column; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .outcome-grid { grid-template-columns: repeat(2, 1fr); }
    .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .review-grid { grid-template-columns: 1fr; }
    .review-card > p { min-height: 0; }
    .footer-links { gap: 35px; }
}

@media (max-width: 520px) {
    .pricing-showcase { border-radius: 22px; }
    .pricing-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .pricing-showcase { padding: 28px 24px; }
    .pricing-value {
        padding: 20px 0 0;
        border-top: 1px solid #ece9f2;
        border-left: 0;
    }
    .pricing-value-line b { font-size: 54px; }
    .pricing-bottom { margin-top: 24px; padding-top: 20px; }
    .pricing-benefits { align-items: flex-start; flex-direction: column; gap: 10px; }
    .pricing-action a { width: 100%; }
    .homepage-header .header-container { padding: 0 20px; }
    .homepage-header .logo-link { margin-right: 16px; }
    .homepage-header .brand-subtitle { display: none; }
    .homepage-header .header-button { padding: 8px 12px; }
    .homepage-header .header-button.outline { display: none; }
    .hero { padding: 56px 18px; text-align: left; }
    .hero-badge { margin-left: 0; }
    .hero h1 { font-size: 40px; }
    .hero-description { font-size: 15px; }
    .hero-actions { justify-content: flex-start; }
    .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
    .trust-item:nth-child(2) { border-right: 0; }
    .outcome-grid { grid-template-columns: 1fr; }
    .insights-heading-row { align-items: flex-start; flex-direction: column; }
    .insight-grid { grid-template-columns: 1fr; }
    .insight-card { min-height: 0; }
    .section-heading { text-align: left; }
    .feature-jump-nav { display: none; }
    .feature-points { display: none; }
    .preview-heading > span { display: none; }
    .preview-heading { justify-content: flex-end; }
    .feature-visual-panel { padding: 16px; border-radius: 18px; }
    .account-grid { grid-template-columns: repeat(2, 1fr); }
    .account-card:nth-child(n+5) { display: none; }
    .media-row { grid-template-columns: 1.4fr .8fr auto; }
    .media-row span:nth-child(3) { display: none; }
    .faq-answer,
    .faq-item.open .faq-answer { padding-right: 20px; }
    .footer { padding: 44px 20px 0; }
    .footer-inner { align-items: flex-start; flex-direction: column; gap: 32px; }
    .footer-brand-copy { max-width: 100%; }
    .footer-links {
        width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 28px 32px;
    }
    .footer-bottom {
        margin-top: 34px;
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
    .cta-actions { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; }
    .list-scene { opacity: 1; transform: none; }
    .chat-scene,
    .brand-chat-scene,
    .task-chat-scene { display: none; }
    .article-card,
    .brand-assets-scene,
    .brand-assets-scene .asset-card,
    .asset-complete,
    .task-result-scene,
    .task-plan-summary,
    .account-card,
    .account-toast,
    .media-row,
    .media-toast,
    .monitor-scan,
    .monitor-complete,
    .metric-card,
    .chart-card {
        opacity: 1;
        transform: none;
    }
    .success-flash {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.feature-visual-panel:not(.is-active) *,
.preview:not(.is-active) * {
    animation-play-state: paused !important;
}