:root {
            --primary: #4ed7ef;
            --accent: #3ab5cc;
            --bg: #ffffff;
            --dark: #0a1114;
            --muted: #f8fafb;
            --shadow: rgba(0, 0, 0, 0.08);
            --shadow-deep: rgba(0, 0, 0, 0.15);
            --radius: 14px;
            --transition: 0.35s ease;
        }

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* 导航区域：renes, bride, sillage, sceau, suite */
        .fronton {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .renes {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 5vw;
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .sceau {
            height: 40px;
            flex-shrink: 0;
        }

        .sceau img {
            height: 100%;
            width: auto;
            display: block;
        }

        .suite {
            display: flex;
            gap: 2.5rem;
            align-items: center;
        }

        .bride {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
        }

        .bride:hover, .bride.active {
            color: var(--primary);
        }

        .bride.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
        }

        /* 容器组件：besace */
        .besace {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 5vw;
        }

        /* 展示区域：caleche, zenith, portico */
        .caleche {
            padding: 8rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4rem;
        }

        .gaine-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .miroir-besace {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: 0 40px 80px var(--shadow-deep);
            display: block;
        }

        .gaine-trama {
            flex: 1;
            min-width: 320px;
        }

        .cime-grand {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 2rem;
            word-break: keep-all;
            background: linear-gradient(135deg, #0a1114 0%, #3ab5cc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .trama-lead {
            font-size: 1.25rem;
            color: #555;
            margin-bottom: 3rem;
            max-width: 540px;
        }

        /* 按钮组件：etrier, elan */
        .elan-prime {
            display: inline-flex;
            align-items: center;
            background: var(--primary);
            color: #ffffff;
            padding: 1.2rem 3rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 10px 30px rgba(78, 215, 239, 0.4);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .elan-prime:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(78, 215, 239, 0.6);
            background: var(--accent);
        }

        .zenith {
            padding: 6rem 0;
            background-color: var(--muted);
            border-radius: 40px;
            margin: 2rem 0;
        }

        .cime-center {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 4rem;
            font-weight: 700;
        }

        /* 卡片组件：carre, pochet, tessera */
        .horde-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .tessera-os {
            background: #ffffff;
            padding: 3rem 2rem;
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .tessera-os:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px var(--shadow);
        }

        .gemme-os {
            width: 64px;
            height: 64px;
            margin-bottom: 2rem;
            color: var(--primary);
        }

        .cime-os {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .trama-ver {
            font-size: 0.9rem;
            color: #888;
            margin-bottom: 2rem;
        }

        .elan-ghost {
            padding: 0.8rem 2rem;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }

        .elan-ghost:hover {
            background: var(--primary);
            color: #ffffff;
        }

        /* 价值点补足区 */
        .portico-sync {
            padding: 8rem 0;
        }

        .besace-dual {
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
            align-items: center;
        }

        .horde-perks {
            flex: 1;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }

        .brin-perk {
            display: flex;
            gap: 1.5rem;
        }

        .gemme-circle {
            width: 48px;
            height: 48px;
            background: rgba(78, 215, 239, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
        }

        .cime-minor {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .trama-small {
            color: #666;
            word-break: break-word;
        }

        /* FAQ结构 */
        .lisiere-faq {
            padding: 6rem 0;
            background: #fff;
        }

        .gaine-compact {
            max-width: 800px;
            margin: 0 auto;
        }

        details {
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
        }

        summary {
            font-size: 1.2rem;
            font-weight: 600;
            list-style: none;
            cursor: pointer;
            position: relative;
            padding-right: 2rem;
        }

        summary::after {
            content: '+';
            position: absolute;
            right: 0;
            color: var(--primary);
            font-size: 1.5rem;
        }

        details[open] summary::after {
            content: '-';
        }

        .trama-answer {
            padding-top: 1rem;
            color: #555;
        }

        /* 页脚区域：socle, ancrage, racine */
        .socle {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 5rem 0 3rem;
            margin-top: 4rem;
        }

        .ancrage {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 4rem;
            margin-bottom: 4rem;
        }

        .racine-cime {
            color: #ffffff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .noeud-foot {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            margin-bottom: 0.8rem;
            transition: var(--transition);
        }

        .noeud-foot:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .lisiere-bottom {
            text-align: center;
            padding-top: 3rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .renes {
                height: 70px;
            }
            .suite {
                display: none; /* 简化移动端，实际项目中应有汉堡菜单 */
            }
            .caleche {
                padding: 4rem 0;
                text-align: center;
            }
            .gaine-trama {
                order: -1;
            }
            .cime-grand {
                font-size: 2.2rem;
            }
            .horde-matrix {
                grid-template-columns: 1fr;
            }
            .besace-dual {
                flex-direction: column;
            }
        }

.renes-fronton {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--abyss);
}
.renes-fronton,
.renes-fronton *,
.renes-fronton *::before,
.renes-fronton *::after {
    box-sizing: border-box;
}

.renes-fronton nav,
.renes-fronton div,
.renes-fronton section,
.renes-fronton article,
.renes-fronton aside,
.renes-fronton p,
.renes-fronton h1,
.renes-fronton h2,
.renes-fronton h3,
.renes-fronton h4,
.renes-fronton h5,
.renes-fronton h6,
.renes-fronton a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.renes-fronton p,
.renes-fronton h1,
.renes-fronton h2,
.renes-fronton h3,
.renes-fronton h4,
.renes-fronton h5,
.renes-fronton h6 {
    text-decoration: none;
}

.renes-fronton img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.renes-fronton {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.renes-fronton a.renes-bride {
    --aisite-shell-nav-padding: 0.5rem 0;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.renes-fronton a.renes-bride,
.renes-fronton a.renes-bride:hover,
.renes-fronton a.renes-bride:focus,
.renes-fronton a.renes-bride:active,
.renes-fronton a.renes-bride.active,
.renes-fronton a.renes-bride[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.renes-fronton{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(78, 215, 239, 0.1);
        }

.renes-fronton .renes-renes{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1300px;
            margin: 0 auto;
            padding: 1.2rem 2rem;
        }

.renes-fronton .renes-sceau{
            flex: 0 0 auto;
        }

.renes-fronton .renes-sceau img{
            height: 40px;
            width: auto;
            display: block;
        }

.renes-fronton .renes-suite{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

.renes-fronton .renes-bride{
            text-decoration: none;
            color: #0a1114;
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.35s ease;
            position: relative;
            padding: 0.5rem 0;
        }

.renes-fronton .renes-bride:hover, .renes-fronton .renes-bride.active{
            color: #4ed7ef;
        }

.renes-fronton .renes-bride::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4ed7ef;
            transition: 0.35s ease;
        }

.renes-fronton .renes-bride:hover::after, .renes-fronton .renes-bride.active::after{
            width: 100%;
        }

@media (max-width: 768px){.renes-fronton .renes-renes{
                padding: 1rem;
            }

.renes-fronton .renes-suite{
                gap: 1rem;
                justify-content: center;
                margin-top: 1rem;
                width: 100%;
            }}

.renes-fronton {
    background: rgb(255, 255, 255);
    background-image: none;
}

.socle-talon {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--abyss);
}
.socle-talon,
.socle-talon *,
.socle-talon *::before,
.socle-talon *::after {
    box-sizing: border-box;
}

.socle-talon nav,
.socle-talon div,
.socle-talon section,
.socle-talon article,
.socle-talon aside,
.socle-talon p,
.socle-talon h1,
.socle-talon h2,
.socle-talon h3,
.socle-talon h4,
.socle-talon h5,
.socle-talon h6,
.socle-talon a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.socle-talon p,
.socle-talon h1,
.socle-talon h2,
.socle-talon h3,
.socle-talon h4,
.socle-talon h5,
.socle-talon h6 {
    text-decoration: none;
}

.socle-talon img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.socle-talon {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.socle-talon a,
.socle-talon a:hover,
.socle-talon a:focus,
.socle-talon a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.socle-talon{
            background: #f4f9fb;
            padding: 5rem 5vw 3rem;
            border-top: 1px solid #eee;
        }

.socle-talon .socle-socle{
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 4rem;
        }

.socle-talon .socle-ancrage-brand{
            flex: 1 1 300px;
        }

.socle-talon .socle-cime-brand{
            font-size: 1.8rem;
            font-weight: 800;
            color: #0a1114;
            margin-bottom: 1.5rem;
        }

.socle-talon .socle-trama-talon{
            color: #888;
            font-size: 0.9rem;
            max-width: 400px;
        }

.socle-talon .socle-ancrage-links{
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            justify-content: flex-end;
        }

.socle-talon .socle-horde-talon{
            list-style: none;
        }

.socle-talon .socle-brin-talon{
            margin-bottom: 0.8rem;
        }

.socle-talon .socle-noeud-talon{
            text-decoration: none;
            color: #666;
            font-size: 0.9rem;
            transition: 0.35s ease;
        }

.socle-talon .socle-noeud-talon:hover{
            color: #4ed7ef;
        }

.socle-talon .socle-racine-copyright{
            max-width: 1300px;
            margin: 3rem auto 0;
            padding-top: 2rem;
            border-top: 1px solid #ddd;
            text-align: center;
            color: #aaa;
            font-size: 0.85rem;
        }

@media (max-width: 768px){.socle-talon .socle-ancrage-links{
                justify-content: flex-start;
            }}