/* FORM_VERSION: 20260614_225548_index_tab_active_wedo_style */
/*
 * 设计语言：Modern Luxury / 高定时尚感
 * 颜色与背景保持不变：星空底图 + 深海军蓝 + 香槟金 + 银色金属
 * 手法：发丝级描边、更深的毛玻璃、克制的字重、字距留白、金色细节点缀
 */

.index-mobile-topbar,
.index-mobile-bottom-nav {
    display: none;
}

.index-trial-card {
    display: none;
}

@media (min-width: 769px) {
    .index-entry-page .index-contact-card {
        display: none !important;
    }
}

@media (max-width: 768px) {
    html,
    body.index-entry-page {
        height: 100%;
    }

    body.index-entry-page {
        --index-topbar-height: calc(50px + env(safe-area-inset-top, 0px));
        --index-bottom-nav-height: calc(74px + env(safe-area-inset-bottom, 0px));
        --index-blue: #1f4e79;
        --index-blue-deep: #12263a;
        --index-blue-soft: linear-gradient(135deg, rgba(31, 78, 121, 0.10) 0%, rgba(45, 106, 149, 0.16) 100%);
        --index-gold: #d1b464;
        --index-gold-deep: #9f7928;
        --index-gold-hairline: rgba(209, 180, 100, 0.45);
        --index-text: #111827;
        --index-muted: #44607a;
        --index-line: rgba(255, 255, 255, 0.55);
        --index-glass: rgba(255, 255, 255, 0.42);
        --index-ease: cubic-bezier(0.22, 1, 0.36, 1);
        --index-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
        height: 100dvh;
        min-height: 100dvh;
        overflow: hidden;
        overflow-x: hidden;
        color: var(--index-text);
        background: #0a1220 url("https://xcnd.net/img/stars3.jpg?v=20260530_174107") center / cover scroll no-repeat;
        font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Raleway", sans-serif;
        line-height: 1.55;
        -webkit-font-smoothing: antialiased;
    }

    .index-entry-page *,
    .index-entry-page *::before,
    .index-entry-page *::after {
        box-sizing: border-box;
    }

    .index-entry-page .w3-top,
    .index-entry-page #mySidebar,
    .index-entry-page #about,
    .index-entry-page .index-desktop-footer {
        display: none !important;
    }

    /* ============ 顶栏：极简精品店门头 ============ */
    .index-entry-page .index-mobile-topbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 2500;
        display: grid;
        grid-template-columns: 38px minmax(0, 1fr);
        align-items: center;
        min-height: var(--index-topbar-height);
        padding: calc(env(safe-area-inset-top, 0px) + 4px) 16px 4px;
        gap: 12px;
        background: rgba(255, 255, 255, 0.78);
        -webkit-backdrop-filter: blur(24px) saturate(160%);
        backdrop-filter: blur(24px) saturate(160%);
        border-bottom: 1px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 1px 0 rgba(18, 38, 58, 0.06);
    }

    /* 金色发丝线：顶栏底部的品牌细节 */
    .index-entry-page .index-mobile-topbar::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 0;
        height: 1px;
        background: linear-gradient(90deg,
            transparent 0%,
            var(--index-gold-hairline) 30%,
            var(--index-gold-hairline) 70%,
            transparent 100%);
        pointer-events: none;
    }

    .index-entry-page .index-mobile-topbar__button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: 1px solid var(--index-gold-hairline);
        border-radius: 50%;
        color: var(--index-blue-deep);
        background: rgba(255, 255, 255, 0.6);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
        font-size: 15px;
        cursor: pointer;
        transition: transform 0.35s var(--index-ease), box-shadow 0.35s var(--index-ease);
        -webkit-tap-highlight-color: transparent;
    }

    .index-entry-page .index-mobile-topbar__button:active {
        transform: scale(0.92);
    }

    .index-entry-page[data-index-section="trial"] .index-mobile-topbar {
        grid-template-columns: 38px minmax(0, 1fr) auto;
    }

    .index-entry-page .index-mobile-topbar__trial-actions {
        display: none;
        align-items: center;
        justify-content: flex-end;
        gap: 6px;
    }

    .index-entry-page[data-index-section="trial"] .index-mobile-topbar__trial-actions {
        display: inline-flex;
    }

    .index-entry-page .index-mobile-topbar__trial-action {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: 1px solid rgba(42, 91, 126, 0.18);
        border-radius: 50%;
        color: var(--index-blue-deep);
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.76), rgba(237, 247, 255, 0.5));
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.72),
            0 8px 18px rgba(15, 42, 64, 0.08);
        font-size: 15px;
        cursor: pointer;
        outline: none;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        padding: 0;
    }

    .index-entry-page .index-mobile-topbar__title {
        min-width: 0;
        color: var(--index-blue-deep);
        line-height: 1.12;
        overflow: hidden;
    }

    .index-entry-page .index-mobile-topbar__welcome,
    .index-entry-page .index-mobile-topbar__subtitle {
        display: block;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .index-entry-page .index-mobile-topbar__welcome {
        font-family: var(--index-serif);
        font-size: 0.88rem;
        font-weight: 700;
        letter-spacing: 0.1em;
    }

    .index-entry-page .index-mobile-topbar__subtitle {
        margin-top: 2px;
        color: var(--index-muted);
        font-size: 0.74rem;
        font-weight: 600;
        letter-spacing: 0.12em;
    }

    /* ============ 面板：高定玻璃卡片 ============ */
    .index-entry-page [data-index-panel] {
        position: fixed !important;
        top: calc(var(--index-topbar-height) + 16px);
        right: 18px;
        bottom: calc(var(--index-bottom-nav-height) + 18px);
        left: 18px;
        z-index: 100;
        display: none !important;
        width: auto !important;
        max-width: none !important;
        min-height: 0 !important;
        height: auto !important;
        margin: 0 !important;
        padding: 24px 22px !important;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border: 1px solid var(--index-line);
        border-radius: 24px;
        color: var(--index-text);
        background: var(--index-glass) !important;
        -webkit-backdrop-filter: blur(26px) saturate(150%);
        backdrop-filter: blur(26px) saturate(150%);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.65),
            0 24px 60px rgba(6, 16, 30, 0.35);
    }

    /* 卡片顶部的金色发丝压线 */
    .index-entry-page .index-login-card::before,
    .index-entry-page .index-signup-card::before,
    .index-entry-page .index-contact-card::before {
        content: "";
        display: block;
        width: 44px;
        height: 1px;
        margin: 0 auto 20px;
        background: linear-gradient(90deg, transparent, var(--index-gold), transparent);
        flex-shrink: 0;
    }

    .index-entry-page[data-index-section="intro"] .index-intro-card,
    .index-entry-page[data-index-section="signup"] .index-signup-card,
    .index-entry-page[data-index-section="login"] .index-login-card,
    .index-entry-page[data-index-section="trial"] .index-trial-card,
    .index-entry-page[data-index-section="contact"] .index-contact-card {
        display: flex !important;
        flex-direction: column;
        justify-content: flex-start;
        animation: indexPanelIn 0.5s var(--index-ease) both;
    }

    @keyframes indexPanelIn {
        from {
            opacity: 0;
            transform: translateY(14px) scale(0.985);
        }
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    @media (prefers-reduced-motion: reduce) {
        .index-entry-page [data-index-panel] {
            animation: none !important;
        }
    }

    /* ============ 首屏：全屏星空 + 高级排印 ============ */
    .index-entry-page .index-intro-card {
        background: rgba(255, 255, 255, 0.40) !important;
    }

    .index-entry-page[data-index-section="intro"] .index-intro-card {
        top: var(--index-topbar-height);
        right: 0;
        bottom: var(--index-bottom-nav-height);
        left: 0;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        animation: none;
    }

    .index-entry-page .index-intro-card .w3-display-left {
        position: absolute !important;
        top: 42% !important;
        left: 50% !important;
        width: 100% !important;
        padding: 24px !important;
        transform: translate(-50%, -50%) !important;
        text-align: center;
        color: #ffffff !important;
    }

    .index-entry-page .circle-image-container {
        margin-bottom: 26px !important;
    }

    /* 头像：纯金色光晕包裹，由内向外层层晕开 */
    .index-entry-page .circle-image {
        width: 106px !important;
        height: 106px !important;
        border: 1px solid rgba(254, 219, 55, 0.9);
        box-shadow:
            0 0 6px rgba(254, 219, 55, 0.65),
            0 0 16px rgba(253, 185, 49, 0.5),
            0 0 34px rgba(209, 180, 100, 0.4),
            0 0 60px rgba(209, 180, 100, 0.22);
        transition: none;
    }

    .index-entry-page .circle-image:hover {
        transform: none;
    }

    .index-entry-page .index-intro-card .w3-xlarge,
    .index-entry-page .index-intro-card .w3-xxlarge,
    .index-entry-page .index-intro-card .w3-xxxlarge {
        color: #fffff2;
        font-family: var(--index-serif);
        font-size: clamp(1.5rem, 7vw, 2.05rem) !important;
        font-weight: 500 !important;
        line-height: 1.22;
        letter-spacing: 0.08em;
        text-shadow: 0 2px 24px rgba(4, 10, 20, 0.55) !important;
    }

    .index-entry-page .index-intro-card .w3-xlarge span,
    .index-entry-page .index-intro-card .w3-xxlarge span,
    .index-entry-page .index-intro-card .w3-xxxlarge span {
        font-weight: 700 !important;
        letter-spacing: 0.1em;
        text-shadow: 0 2px 24px rgba(4, 10, 20, 0.55) !important;
    }

    /* 标语：金色细线 + 细字距，像香水文案 */
    .index-entry-page .index-intro-card .w3-large {
        position: relative;
        margin: 22px 0 0 !important;
        padding-top: 18px;
        color: #fffff2;
        font-size: 1rem !important;
        font-weight: 500 !important;
        line-height: 1.6;
        letter-spacing: 0.2em;
        text-indent: 0.2em; /* 抵消最后一个字的字距，保持视觉居中 */
        text-shadow: 0 1px 16px rgba(4, 10, 20, 0.5) !important;
    }

    .index-entry-page .index-intro-card .w3-large::before {
        content: "";
        position: absolute;
        top: 0;
        left: 50%;
        width: 56px;
        height: 1px;
        transform: translateX(-50%);
        background: linear-gradient(90deg, transparent, var(--index-gold), transparent);
    }

    .index-entry-page .index-intro-card .modern-button,
    .index-entry-page .index-intro-card .porsche-gold-button,
    .index-entry-page .index-intro-card .health-button-container {
        display: none !important;
    }

    .index-entry-page .index-intro-card .index-user-guide-button-wrap {
        margin: 16px 0 0;
        text-align: center;
    }

    .index-entry-page .index-intro-card .index-user-guide-button {
        display: inline-flex !important;
        min-height: 46px;
        border: 2px solid #D1B464 !important;
        padding: 0 24px !important;
        color: #333333 !important;
        background: radial-gradient(ellipse farthest-corner at right bottom, #FEDB37 0%, #FDB931 8%, #9f7928 30%, #8A6E2F 40%, transparent 80%),
                    radial-gradient(ellipse farthest-corner at left top, #FFFFFF 0%, #FFFFAC 8%, #D1B464 25%, #5d4a1f 62.5%, #5d4a1f 100%) !important;
        box-shadow:
            0 8px 25px rgba(254, 219, 55, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.6),
            inset 0 -1px 0 rgba(0, 0, 0, 0.2) !important;
        font-size: 0.92rem !important;
        font-weight: 700 !important;
        letter-spacing: 0.08em;
        text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) !important;
    }

    /* 白泽典故 */
    .index-entry-page .index-baize-motto-wrap {
        text-align: center;
        margin: 14px 0 0;
    }

    .index-entry-page .index-baize-motto {
        margin: 0 !important;
        font-family: var(--index-serif);
        font-size: 0.82rem !important;
        font-weight: 500;
        letter-spacing: 0.16em;
        color: rgba(255, 255, 242, 0.92) !important;
        text-shadow: 0 1px 14px rgba(4, 10, 20, 0.55);
        white-space: nowrap;
    }

    /* ============ 登录 / 注册卡片内部 ============ */
    .index-entry-page .index-login-card .modern-card,
    .index-entry-page .index-signup-card .modern-card {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        color: var(--index-text);
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
        transform: none !important;
    }

    .index-entry-page .index-login-card .modern-card:hover,
    .index-entry-page .index-signup-card .modern-card:hover {
        transform: none !important;
        box-shadow: none !important;
    }

    .index-entry-page .index-login-card .modern-card > .w3-center,
    .index-entry-page .index-login-card .index-login-hint {
        border: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }

    /* 标题：轻字重 + 大字距，奢侈品牌式排印 */
    .index-entry-page .index-login-card h2,
    .index-entry-page .index-signup-card h4,
    .index-entry-page .index-signup-card h5,
    .index-entry-page .index-contact-card h6 {
        margin: 0 0 14px !important;
        color: var(--index-blue-deep) !important;
        text-align: center;
        font-family: var(--index-serif);
        font-size: 1.3rem !important;
        font-weight: 600 !important;
        letter-spacing: 0.12em;
        text-indent: 0.16em;
        line-height: 1.25;
    }

    .index-entry-page .index-signup-card h5 {
        font-size: 1.06rem !important;
        font-weight: 600 !important;
    }

    .index-entry-page .index-login-card p,
    .index-entry-page .index-signup-card p,
    .index-entry-page .index-contact-card p {
        color: rgba(17, 24, 39, 0.92) !important;
        font-size: 0.92rem !important;
        font-weight: 500;
        letter-spacing: 0.03em;
        line-height: 1.7;
    }

    .index-entry-page .index-signup-card {
        align-items: center;
        padding: 24px 22px !important;
    }

    .index-entry-page .index-signup-card > .w3-center,
    .index-entry-page .index-signup-card .modern-card,
    .index-entry-page .index-signup-card .signup-pay-card {
        width: 100%;
        max-width: 360px !important;
        margin-left: auto !important;
        margin-right: auto !important;
        border: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }

    .index-entry-page .index-signup-card > .w3-center {
        margin-bottom: 18px !important;
    }

    .index-entry-page .index-signup-card > .w3-center h4 {
        margin-bottom: 10px !important;
    }

    .index-entry-page .index-signup-card > .w3-center p {
        margin: 0 auto !important;
    }

    .index-entry-page .index-signup-card .modern-card > .w3-center {
        margin-bottom: 16px !important;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }

    .index-entry-page .index-signup-card h5 {
        margin-bottom: 14px !important;
    }

    /* ============ 输入框：极简发丝描边 ============ */
    .index-entry-page .modern-input,
    .index-entry-page .signup-pay-input {
        width: 100%;
        min-height: 54px;
        margin-bottom: 12px !important;
        border: 1px solid rgba(18, 38, 58, 0.16) !important;
        border-radius: 14px !important;
        padding: 0 18px !important;
        color: var(--index-blue-deep);
        background: rgba(255, 255, 255, 0.66) !important;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
        font-size: 1rem !important;
        font-weight: 500;
        letter-spacing: 0.02em;
        transition: border-color 0.3s var(--index-ease), box-shadow 0.3s var(--index-ease), background 0.3s var(--index-ease);
    }

    .index-entry-page .modern-input::placeholder,
    .index-entry-page .signup-pay-input::placeholder {
        color: rgba(18, 38, 58, 0.55);
        font-weight: 400;
    }

    /* 聚焦：金色细环，而非粗蓝光 */
    .index-entry-page .modern-input:focus,
    .index-entry-page .signup-pay-input:focus {
        outline: none;
        border-color: var(--index-gold) !important;
        background: rgba(255, 255, 255, 0.94) !important;
        box-shadow:
            0 0 0 3px rgba(209, 180, 100, 0.18),
            inset 0 1px 0 rgba(255, 255, 255, 0.9);
    }

    /* ============ 按钮体系 ============ */
    /* 通用深蓝按钮：缎面质感，金色发丝描边 */
    .index-entry-page .modern-button,
    .index-entry-page .porsche-gold-button,
    .index-entry-page .register-button,
    .index-entry-page .login-button,
    .index-entry-page .signup-pay-button,
    .index-entry-page .signup-pay-modal__button {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 54px;
        border: 1px solid var(--index-gold-hairline) !important;
        border-radius: 27px !important;
        padding: 0 22px !important;
        color: #ffffff !important;
        background: linear-gradient(160deg, #1c4566 0%, #12304b 55%, #0c2237 100%) !important;
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.18),
            0 14px 30px rgba(6, 20, 36, 0.32) !important;
        text-decoration: none !important;
        text-shadow: none !important;
        font-size: 0.96rem !important;
        font-weight: 700 !important;
        letter-spacing: 0.1em !important;
        transition: transform 0.35s var(--index-ease), box-shadow 0.35s var(--index-ease), filter 0.35s var(--index-ease);
        -webkit-tap-highlight-color: transparent;
    }

    .index-entry-page .modern-button:active,
    .index-entry-page .porsche-gold-button:active,
    .index-entry-page .register-button:active,
    .index-entry-page .login-button:active,
    .index-entry-page .signup-pay-button:active,
    .index-entry-page .signup-pay-modal__button:active {
        transform: translateY(1px) scale(0.985);
        filter: brightness(1.06);
    }

    /* 登录主按钮：保留银色金属，但收敛成缎面拉丝 */
    .index-entry-page .index-login-card .login-button {
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(150, 150, 150, 0.85) !important;
        color: #2b2b2b !important;
        background: linear-gradient(160deg, #f4f4f4 0%, #d6d6d6 28%, #b8b8b8 52%, #d2d2d2 76%, #efefef 100%) !important;
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.9),
            inset 0 -1px 0 rgba(0, 0, 0, 0.12),
            0 14px 28px rgba(10, 18, 32, 0.22) !important;
        text-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) !important;
        font-size: 1rem !important;
        font-weight: 700 !important;
        letter-spacing: 0.12em !important;
    }

    /* 银色按钮的流光扫过 */
    .index-entry-page .index-login-card .login-button::before {
        content: "";
        position: absolute;
        top: 0;
        left: -120%;
        width: 60%;
        height: 100%;
        background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.55), transparent);
        animation: indexSheen 4.5s var(--index-ease) infinite;
        pointer-events: none;
    }

    @keyframes indexSheen {
        0%, 62% { left: -120%; }
        82%, 100% { left: 160%; }
    }

    @media (prefers-reduced-motion: reduce) {
        .index-entry-page .index-login-card .login-button::before {
            animation: none;
        }
    }

    /* 注册「是 / 否」与支付按钮：银色缎面 */
    .index-entry-page .index-signup-card .register-button,
    .index-entry-page .index-signup-card .signup-pay-button {
        position: relative;
        overflow: hidden;
        width: 100%;
        min-height: 54px;
        border: 1px solid rgba(150, 150, 150, 0.85) !important;
        color: #2b2b2b !important;
        background: linear-gradient(160deg, #f4f4f4 0%, #d6d6d6 28%, #b8b8b8 52%, #d2d2d2 76%, #efefef 100%) !important;
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.9),
            inset 0 -1px 0 rgba(0, 0, 0, 0.12),
            0 12px 24px rgba(10, 18, 32, 0.18) !important;
        text-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) !important;
        font-size: 0.98rem !important;
        font-weight: 700 !important;
        letter-spacing: 0.1em !important;
    }

    /* 选中态：金色描边 + 金字，呼应保时捷金 */
    .index-entry-page .index-signup-card .register-button.is-selected {
        border-color: var(--index-gold) !important;
        color: var(--index-gold-deep) !important;
        background: linear-gradient(160deg, #fffdf4 0%, #f3e7c5 30%, #e3cd96 55%, #f1e3bd 80%, #fffdf4 100%) !important;
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.95),
            0 0 0 3px rgba(209, 180, 100, 0.16),
            0 12px 26px rgba(159, 121, 40, 0.22) !important;
        text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) !important;
    }

    .index-entry-page .health-button-container {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px !important;
        margin-bottom: 18px !important;
    }

    .index-entry-page .health-button-container .modern-button {
        width: 100%;
        max-width: none !important;
        min-width: 0 !important;
        margin: 0 !important;
        white-space: normal;
        line-height: 1.25;
    }

    .index-entry-page .index-signup-card .w3-row {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin: 0 !important;
    }

    .index-entry-page .index-signup-card .w3-row::before,
    .index-entry-page .index-signup-card .w3-row::after {
        content: none !important;
        display: none !important;
    }

    .index-entry-page .index-signup-card .w3-col {
        float: none !important;
        display: block !important;
        width: auto !important;
        padding: 0 !important;
    }

    .index-entry-page .index-signup-card .register-button {
        width: 100%;
        margin: 0 !important;
    }

    .index-entry-page .index-signup-card #signup-pay-panel {
        margin-top: 20px !important;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }

    .index-entry-page .index-signup-card .signup-pay-button {
        width: min(100%, 320px);
        justify-self: center;
        margin-left: auto !important;
        margin-right: auto !important;
    }

    .index-entry-page .signup-pay-card {
        display: grid;
        gap: 14px;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
        color: var(--index-text) !important;
    }

    .index-entry-page .signup-pay-title {
        position: relative;
        padding-bottom: 12px;
        color: var(--index-blue-deep) !important;
        text-align: center;
        font-family: var(--index-serif);
        font-size: 1.08rem !important;
        font-weight: 600 !important;
        letter-spacing: 0.14em !important;
        text-indent: 0.14em;
    }

    .index-entry-page .signup-pay-title::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 36px;
        height: 1px;
        transform: translateX(-50%);
        background: linear-gradient(90deg, transparent, var(--index-gold), transparent);
    }

    .index-entry-page .signup-pay-desc {
        color: rgba(17, 24, 39, 0.92) !important;
        font-size: 0.9rem !important;
        letter-spacing: 0.03em;
        line-height: 1.7;
    }

    .index-entry-page .index-signup-card .signup-pay-form {
        display: grid;
        gap: 12px;
        margin-bottom: 8px !important;
    }

    .index-entry-page .signup-pay-status {
        border: 1px solid rgba(209, 180, 100, 0.3);
        border-radius: 12px;
        padding: 10px 14px;
        color: var(--index-blue-deep);
        background: rgba(255, 255, 255, 0.55);
        font-size: 0.86rem;
        letter-spacing: 0.05em;
        text-align: center;
    }

    .index-entry-page .signup-pay-update,
    .index-entry-page .signup-pay-hint {
        color: rgba(17, 24, 39, 0.8);
        font-size: 0.84rem;
        letter-spacing: 0.04em;
        text-align: center;
    }

    /* ============ 登录辅助链接 ============ */
    .index-entry-page .index-login-card a[data-index-nav="signup"] {
        color: var(--index-blue) !important;
        font-weight: 600 !important;
        letter-spacing: 0.06em;
        border-bottom: 1px solid var(--index-gold-hairline);
        padding-bottom: 2px;
    }

    .index-entry-page .index-login-card .index-login-hint p {
        color: var(--index-muted) !important;
        font-size: 0.86rem !important;
        font-weight: 500 !important;
        letter-spacing: 0.04em;
    }

    /* ============ 关于我们 ============ */
    .index-entry-page .index-contact-card {
        justify-content: flex-start;
        padding: 24px 22px 26px !important;
        text-align: center;
    }

    .index-entry-page .index-contact-card h3,
    .index-entry-page .index-contact-card h4,
    .index-entry-page .index-contact-card h6 {
        margin: 0 0 14px !important;
        color: var(--index-blue-deep) !important;
        text-align: center;
        font-family: var(--index-serif);
        font-weight: 600 !important;
        letter-spacing: 0.14em;
        text-indent: 0.14em;
        line-height: 1.25;
    }

    .index-entry-page .index-contact-card h3 {
        font-size: 1.42rem !important;
    }

    .index-entry-page .index-contact-card h4 {
        font-size: 1rem !important;
        font-weight: 600 !important;
        letter-spacing: 0.1em;
        text-indent: 0.1em;
    }

    .index-entry-page .index-contact-card h6 {
        font-size: 1.02rem !important;
    }

    .index-entry-page .index-about-mobile__intro {
        max-width: 100%;
        margin: 0 auto 20px !important;
        color: rgba(17, 24, 39, 0.92) !important;
        font-size: 0.92rem !important;
        font-weight: 500;
        letter-spacing: 0.02em;
        line-height: 1.78 !important;
    }

    .index-entry-page .index-contact-card .index-about-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        width: 100%;
        margin: 0 0 20px !important;
    }

    /* 特色卡片：玻璃 + 金线压顶 */
    .index-entry-page .index-contact-card .feature-item {
        position: relative;
        width: 100%;
        padding: 20px 18px 18px !important;
        border: 1px solid rgba(255, 255, 255, 0.65) !important;
        border-radius: 18px !important;
        color: var(--index-text) !important;
        background: rgba(255, 255, 255, 0.62) !important;
        -webkit-backdrop-filter: blur(8px);
        backdrop-filter: blur(8px);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.8),
            0 12px 28px rgba(10, 18, 32, 0.1) !important;
        transform: none !important;
        overflow: hidden;
    }

    .index-entry-page .index-contact-card .feature-item::before {
        content: "";
        position: absolute;
        top: 0;
        left: 25%;
        right: 25%;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--index-gold-hairline), transparent);
    }

    /* 金色图标：保留原金色渐变 */
    .index-entry-page .index-contact-card .feature-icon {
        margin-bottom: 12px !important;
        background: radial-gradient(ellipse farthest-corner at right bottom, #FEDB37 0%, #FDB931 8%, #9f7928 30%, #8A6E2F 40%, transparent 80%),
                    radial-gradient(ellipse farthest-corner at left top, #FFFFFF 0%, #FFFFAC 8%, #D1B464 25%, #5d4a1f 62.5%, #5d4a1f 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent !important;
        -webkit-text-fill-color: transparent;
        font-size: 2.1rem !important;
        line-height: 1;
    }

    .index-entry-page .index-contact-card .feature-item p {
        margin: 0 !important;
        color: rgba(17, 24, 39, 0.9) !important;
        font-size: 0.89rem !important;
        font-weight: 500;
        letter-spacing: 0.02em;
        line-height: 1.66 !important;
    }

    .index-entry-page .index-about-footer {
        margin-top: 6px;
        padding-top: 18px;
        border-top: 1px solid rgba(209, 180, 100, 0.28);
    }

    .index-entry-page .index-about-footer p {
        margin: 6px 0 !important;
        color: rgba(17, 24, 39, 0.85) !important;
        font-size: 0.86rem !important;
        font-weight: 500;
        letter-spacing: 0.03em;
    }

    .index-entry-page .index-about-footer__beian {
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid rgba(17, 24, 39, 0.08);
    }

    .index-entry-page .index-contact-card a {
        color: var(--index-blue);
        font-weight: 600;
        letter-spacing: 0.03em;
    }

    /* ============ 试用：复用 wedo 试用聊天体验 ============ */
    .index-entry-page .index-trial-card {
        padding: 0 !important;
        overflow: hidden;
    }

    .index-entry-page .wedo-trial-chat {
        --free-input-height: 64px;
        --free-blue-bg: linear-gradient(135deg, rgba(31, 78, 121, 0.82), rgba(74, 141, 184, 0.64));
        --free-line: rgba(226, 232, 240, 0.95);
        --free-text: #111827;
        --baize-blue-message-bg: linear-gradient(145deg, rgba(31, 78, 121, 0.12) 0%, rgba(74, 141, 184, 0.18) 100%);
        --baize-blue-message-border: rgba(31, 78, 121, 0.24);
        --baize-blue-message-shadow: 0 8px 24px rgba(31, 78, 121, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.55);
        width: 100%;
        height: 100%;
        min-height: 0;
        color: var(--free-text);
        overflow: hidden;
    }

    .index-entry-page .wedo-trial-chat :where(button, a, [role="button"], input, textarea) {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    .index-entry-page .wedo-trial-chat .free-main,
    .index-entry-page .wedo-trial-chat .free-layout,
    .index-entry-page .wedo-trial-chat .free-chat-wrapper {
        width: 100%;
        height: 100%;
        min-height: 0;
        margin: 0;
        padding: 0 !important;
        overflow: hidden;
        background: transparent;
    }

    .index-entry-page .wedo-trial-chat .free-layout {
        display: block;
    }

    .index-entry-page .wedo-trial-chat .free-chat-wrapper {
        display: flex !important;
        max-width: none;
        border: 0;
        box-shadow: none;
    }

    .index-entry-page .wedo-trial-chat .free-chat-container {
        flex: 1 1 auto;
        position: relative;
        width: 100%;
        height: 100%;
        min-height: 0;
        max-height: none;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        border: 0;
        border-radius: 0;
        background: #fff;
        box-shadow: none;
    }

    .index-entry-page .wedo-trial-chat .free-chat-topbar {
        min-height: 60px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 12px 16px;
        background:
            linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(237, 247, 255, 0.5)),
            rgba(255, 255, 255, 0.42);
        border-bottom: 1px solid rgba(31, 78, 121, 0.12);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.76),
            0 8px 18px rgba(31, 78, 121, 0.06);
        -webkit-backdrop-filter: blur(16px) saturate(150%);
        backdrop-filter: blur(16px) saturate(150%);
    }

    .index-entry-page .wedo-trial-chat .chat-topbar__identity {
        display: inline-flex;
        align-items: center;
        min-width: 0;
        gap: 10px;
        color: var(--index-blue-deep);
    }

    .index-entry-page .wedo-trial-chat .chat-topbar__logo {
        width: 38px;
        height: 38px;
        flex: 0 0 38px;
        object-fit: cover;
        border-radius: 50%;
        border: 1px solid rgba(31, 78, 121, 0.16);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.72),
            0 8px 18px rgba(31, 78, 121, 0.12);
        background: rgba(255, 255, 255, 0.62);
    }

    .index-entry-page .wedo-trial-chat .chat-topbar__title {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 1.04rem;
        font-weight: 850;
        letter-spacing: 0;
    }

    .index-entry-page .wedo-trial-chat .chat-topbar__actions .button-area {
        display: inline-flex;
        align-items: center;
        justify-content: flex-end;
        gap: 10px;
        margin: 0;
        padding: 0;
        background: transparent;
    }

    .index-entry-page .wedo-trial-chat .chat-action-icon-btn {
        min-height: 40px;
        min-width: 40px;
        margin: 0;
        padding: 0 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border: 1px solid rgba(42, 91, 126, 0.18);
        border-radius: 16px;
        color: var(--index-blue-deep);
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(237, 247, 255, 0.54));
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.76),
            0 8px 18px rgba(15, 42, 64, 0.08);
        -webkit-backdrop-filter: blur(14px) saturate(150%);
        backdrop-filter: blur(14px) saturate(150%);
        font-size: 0.92rem;
        font-weight: 800;
        cursor: pointer;
    }

    .index-entry-page .wedo-trial-chat .chat-messages {
        flex: 1 1 auto;
        min-height: 0 !important;
        max-height: none !important;
        padding: 16px 0 20px;
        overflow-y: auto;
        overflow-x: hidden;
        display: flex;
        flex-direction: column;
        gap: 1rem;
        background: #fff;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }

    .index-entry-page .wedo-trial-chat .message {
        display: flex;
        align-items: flex-start;
        width: 100%;
        position: relative;
        gap: 12px;
    }

    .index-entry-page .wedo-trial-chat .message.user-message,
    .index-entry-page .wedo-trial-chat .message.bot-message {
        flex-direction: row;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }

    .index-entry-page .wedo-trial-chat .ai-avatar-external {
        position: absolute;
        top: -8px;
        left: 8px;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        z-index: 10;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.9));
        color: #2c3e50;
        border: 2px solid rgba(52, 73, 94, 0.3);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    }

    .index-entry-page .wedo-trial-chat .ai-avatar-external img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 50%;
    }

    .index-entry-page .wedo-trial-chat .message-content {
        flex: 1;
        position: relative;
        max-width: 100%;
        padding: 25px 12px 35px;
        border-radius: 16px;
        color: #2c3e50;
        font-size: 0.98rem;
        line-height: 1.7;
        word-wrap: break-word;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
    }

    .index-entry-page .wedo-trial-chat .bot-message .message-content {
        border-bottom-left-radius: 4px;
        background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 249, 250, 0.95));
        border: 1px solid rgba(52, 73, 94, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(52, 73, 94, 0.05);
    }

    .index-entry-page .wedo-trial-chat .user-message .message-content {
        border-bottom-right-radius: 4px;
        color: #2c3e50;
        background: var(--baize-blue-message-bg);
        border: 1px solid var(--baize-blue-message-border);
        box-shadow: var(--baize-blue-message-shadow);
        font-weight: 500;
    }

    .index-entry-page .wedo-trial-input-area {
        flex: 0 0 auto;
        min-height: var(--free-input-height);
        padding: 8px 0 0;
        background: transparent;
        border-top: 0;
        box-shadow: none;
    }

    .index-entry-page .wedo-trial-chat .free-input-container {
        display: flex;
        align-items: center;
        gap: 12px;
        min-height: 52px;
        margin: 0;
        padding: 8px 12px;
        border: 1px solid var(--free-line);
        border-radius: 0;
        background: #f8fafc;
        box-shadow: none;
    }

    .index-entry-page .wedo-trial-chat .message-input {
        flex: 1;
        min-height: 24px;
        max-height: 118px;
        border: 0;
        outline: none;
        resize: none;
        color: #111;
        background: transparent;
        font-size: 1rem;
        line-height: 1.6;
    }

    .index-entry-page .wedo-trial-chat .message-input::placeholder {
        color: rgba(17, 24, 39, 0.48);
        font-weight: 400;
    }

    .index-entry-page .wedo-trial-chat .send-btn {
        flex: 0 0 38px;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        border: 1px solid rgba(31, 111, 160, 0.36);
        background: var(--free-blue-bg);
        color: #fff;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 9px 20px rgba(31, 111, 160, 0.18);
        font-size: 1.2rem;
        font-weight: 700;
        cursor: pointer;
    }

    .index-entry-page .wedo-trial-chat .send-btn:disabled {
        opacity: 0.55;
        cursor: not-allowed;
        transform: none;
        background: linear-gradient(135deg, rgba(80, 90, 100, 0.76), rgba(108, 118, 128, 0.62));
    }

    .index-entry-page .wedo-trial-chat .message-buttons {
        position: absolute;
        right: 5px;
        bottom: 5px;
        display: flex;
        gap: 5px;
    }

    .index-entry-page .wedo-trial-chat .message-btn {
        width: 30px;
        height: 30px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(52, 73, 94, 0.2);
        border-radius: 50%;
        padding: 5px;
        color: #2c3e50;
        background: rgba(52, 73, 94, 0.1);
        cursor: pointer;
    }

    .index-entry-page .wedo-trial-chat .thinking-block {
        margin: 8px 0 12px;
    }

    .index-entry-page .wedo-trial-chat .thinking-summary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        cursor: pointer;
        padding: 2px 0;
        color: rgba(31, 78, 121, 0.78);
        font-size: 0.9em;
        font-weight: 700;
        list-style: none;
        user-select: none;
    }

    .index-entry-page .wedo-trial-chat .thinking-summary::-webkit-details-marker {
        display: none;
    }

    .index-entry-page .wedo-trial-chat .thinking-icon,
    .index-entry-page .wedo-trial-chat .thinking-icon svg {
        width: 16px;
        height: 16px;
    }

    .index-entry-page .wedo-trial-chat .thinking-icon svg {
        fill: none;
        stroke: currentColor;
        stroke-width: 1.6;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .index-entry-page .wedo-trial-chat .thinking-chevron {
        margin-left: 4px;
        transition: transform 0.2s ease;
    }

    .index-entry-page .wedo-trial-chat .thinking-block[open] .thinking-chevron {
        transform: rotate(90deg);
    }

    .index-entry-page .wedo-trial-chat .thinking-text {
        margin-top: 10px;
        padding-left: 14px;
        border-left: 2px solid rgba(31, 78, 121, 0.18);
        color: rgba(17, 24, 39, 0.72);
        font-size: 0.88em;
        line-height: 1.65;
        word-break: break-word;
    }

    .index-entry-page .wedo-trial-chat .message-content :where(p, ul, ol, blockquote, pre, table) {
        margin-top: 8px;
        margin-bottom: 8px;
    }

    .index-entry-page .wedo-trial-chat .message-content :where(ul, ol) {
        padding-left: 20px;
    }

    .index-entry-page .wedo-trial-chat .message-content code {
        padding: 2px 6px;
        border-radius: 4px;
        background: rgba(52, 73, 94, 0.1);
        border: 1px solid rgba(52, 73, 94, 0.2);
    }

    .index-entry-page .wedo-trial-chat .message-content pre {
        padding: 16px;
        overflow-x: auto;
        border-radius: 8px;
        background: rgba(248, 249, 250, 0.95);
        border: 1px solid rgba(52, 73, 94, 0.2);
    }

    .index-entry-page .wedo-trial-chat .message-content table {
        width: 100%;
        table-layout: fixed;
        border-collapse: collapse;
        border: 1px solid rgba(52, 73, 94, 0.2);
    }

    .index-entry-page .wedo-trial-chat .message-content th,
    .index-entry-page .wedo-trial-chat .message-content td {
        padding: 6px 8px;
        border: 1px solid rgba(52, 73, 94, 0.15);
        word-break: break-word;
    }

    .index-entry-page[data-index-section="trial"] .index-trial-card {
        top: var(--index-topbar-height);
        right: 0;
        bottom: var(--index-bottom-nav-height);
        left: 0;
        width: 100%;
        height: calc(100dvh - var(--index-topbar-height) - var(--index-bottom-nav-height)) !important;
        min-height: 0 !important;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        animation: none;
    }

    .index-entry-page[data-index-section="trial"] .wedo-trial-chat {
        flex: 1 1 auto;
        height: 100%;
        min-height: 0;
    }

    .index-entry-page[data-index-section="trial"] .free-chat-topbar {
        display: none !important;
    }

    /* ============ 底部导航：磨砂玻璃 + 金点指示 ============ */
    .index-entry-page .index-mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 2500;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        min-height: var(--index-bottom-nav-height);
        padding: 8px 16px calc(env(safe-area-inset-bottom, 0px) + 8px);
        gap: 6px;
        background: rgba(255, 255, 255, 0.78);
        -webkit-backdrop-filter: blur(24px) saturate(160%);
        backdrop-filter: blur(24px) saturate(160%);
        border-top: 1px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 -1px 0 rgba(18, 38, 58, 0.06);
    }

    .index-entry-page .index-mobile-bottom-nav::before {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        top: 0;
        height: 1px;
        background: linear-gradient(90deg,
            transparent 0%,
            var(--index-gold-hairline) 30%,
            var(--index-gold-hairline) 70%,
            transparent 100%);
        pointer-events: none;
    }

    .index-entry-page .index-mobile-bottom-nav__item {
        position: relative;
        min-width: 0;
        min-height: 52px;
        border: 0;
        border-radius: 16px;
        color: rgba(40, 50, 64, 0.82);
        background: transparent;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        cursor: pointer;
        text-decoration: none;
        outline: none;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        user-select: none;
        -webkit-user-select: none;
        transition: color 0.3s var(--index-ease), transform 0.3s var(--index-ease);
    }

    .index-entry-page .index-mobile-bottom-nav__item:active {
        transform: scale(0.93);
    }

    .index-entry-page .index-mobile-bottom-nav__item i {
        font-size: 21px;
        line-height: 1;
        transition: transform 0.35s var(--index-ease);
    }

    .index-entry-page .index-mobile-bottom-nav__item span {
        max-width: 100%;
        overflow-wrap: anywhere;
        line-height: 1.15;
    }

    /* 激活态：与 wedo 保持一致的浅青蓝背景 */
    .index-entry-page .index-mobile-bottom-nav__item.active {
        color: #1f4e79;
        background: linear-gradient(135deg, rgba(31, 78, 121, 0.11) 0%, rgba(45, 106, 149, 0.18) 100%);
        box-shadow: 0 7px 16px rgba(31, 78, 121, 0.12);
        font-weight: 700;
    }

    .index-entry-page .index-mobile-bottom-nav__item.active i {
        transform: translateY(-2px);
    }

    .index-entry-page.index-keyboard-active .index-mobile-bottom-nav {
        display: none !important;
    }
}

/* ============ 超小屏适配 ============ */
@media (max-width: 360px) {
    .index-entry-page .index-mobile-topbar {
        grid-template-columns: 32px minmax(0, 1fr);
        padding-left: 12px;
        padding-right: 12px;
    }

    .index-entry-page .index-mobile-bottom-nav {
        padding-left: 10px;
        padding-right: 10px;
        gap: 4px;
    }

    .index-entry-page .index-mobile-bottom-nav__item {
        font-size: 0.74rem;
        letter-spacing: 0.04em;
    }

    .index-entry-page [data-index-panel] {
        right: 14px;
        left: 14px;
        padding: 20px 18px !important;
    }

    .index-entry-page .index-intro-card .w3-large {
        letter-spacing: 0.14em;
        text-indent: 0.14em;
    }
}