:root {
    --sidebar-bg: linear-gradient(135deg, #232946 60%, #3a3f58 100%);
    --sidebar-accent: #F36300;
    --sidebar-text: #fff;
    --sidebar-hover: #ffe0b2;
    --main-bg: rgba(255,255,255,0.98);
    --main-radius: 0 28px 28px 0;
    --main-shadow: 0 4px 32px rgba(44,62,80,0.10);
    --highlight: #F36300;
    --orb1: radial-gradient(circle at 30% 30%, #ffb347 0%, #ffcc80 100%);
    --orb2: radial-gradient(circle at 70% 70%, #6ec6ff 0%, #b3e5fc 100%);
    --orb3: radial-gradient(circle at 60% 40%, #b388ff 0%, #e1bee7 100%);
    --orb4: radial-gradient(circle at 50% 50%, #81c784 0%, #c8e6c9 100%);
    --orb5: radial-gradient(circle at 50% 50%, #f06292 0%, #f8bbd0 100%);
    --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Inter', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(120deg, #f4f4f9 0%, #e0e7ef 100%);
    min-height: 100vh;
    overflow-x: hidden;
    color: #232946;
}

.container {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.help-sidebar {
    width: 22%;
    min-width: 240px;
    max-width: 320px;
    background: var(--sidebar-bg);
    padding: 36px 24px 24px 24px;
    color: var(--sidebar-text);
    box-shadow: 2px 0 24px rgba(44,62,80,0.10);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-radius: 0 32px 32px 0;
    animation: sidebarFadeIn 1.2s cubic-bezier(.4,0,.2,1);
}

@keyframes sidebarFadeIn {
    from { opacity: 0; transform: translateX(-40px);}
    to { opacity: 1; transform: translateX(0);}
}

.sidebar-header {
    text-align: center;
    margin-bottom: 32px;
}

.sidebar-logo {
    width: 54px;
    height: 54px;
    margin-bottom: 12px;
    filter: drop-shadow(0 2px 8px #F3630033);
}

.sidebar-title {
    color: var(--sidebar-accent);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin: 0;
}

.help-sidebar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.help-sidebar ul li {
    margin: 18px 0;
}

.help-sidebar ul li a {
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 18px;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
    position: relative;
}

.help-sidebar ul li a i {
    min-width: 22px;
    text-align: center;
    font-size: 18px;
    opacity: 0.85;
}

.help-sidebar ul li a:hover, .help-sidebar ul li a:focus {
    background: var(--sidebar-hover);
    color: var(--highlight);
    box-shadow: 0 2px 12px #F3630022;
    outline: none;
}

.sidebar-footer {
    text-align: center;
    margin-top: 32px;
    font-size: 13px;
    color: #bfc9d1;
    opacity: 0.8;
}

.help-content {
    margin-left: 22%;
    width: 78%;
    padding: 48px 48px 48px 48px;
    background: var(--main-bg);
    overflow-y: auto;
    position: relative;
    z-index: 1;
    border-radius: var(--main-radius);
    box-shadow: var(--main-shadow);
    min-height: 100vh;
    animation: contentFadeIn 1.1s cubic-bezier(.4,0,.2,1);
}

@keyframes contentFadeIn {
    from { opacity: 0; filter: blur(12px);}
    to { opacity: 1; filter: blur(0);}
}

.help-content h2 {
    color: #232946;
    font-weight: 700;
    font-size: 2.2rem;
    letter-spacing: 0.01em;
    margin: 24px 0 18px 0;
    line-height: 1.2;
}

.help-content .highlight {
    color: var(--highlight);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.help-content .intro {
    font-size: 1.18rem;
    color: #3a3f58;
    margin-bottom: 32px;
    line-height: 1.7;
    background: #fff7f0;
    border-left: 5px solid var(--highlight);
    padding: 18px 22px;
    border-radius: 8px;
    box-shadow: 0 2px 12px #F3630011;
}

@media screen and (max-width: 1200px) {
    .help-sidebar {
        width: 28%;
        min-width: 180px;
        padding: 24px 12px;
    }
    .help-content {
        margin-left: 28%;
        width: 72%;
        padding: 32px 16px;
    }
}

@media screen and (max-width: 900px) {
    .container {
        flex-direction: column;
    }
    .help-sidebar {
        position: relative;
        width: 100%;
        min-width: unset;
        max-width: unset;
        border-radius: 0 0 24px 24px;
        box-shadow: 0 2px 18px rgba(44,62,80,0.08);
        padding: 18px 8px 12px 8px;
        margin-bottom: 0;
    }
    .help-content {
        margin-left: 0;
        width: 100%;
        border-radius: 0;
        padding: 24px 6vw;
        min-height: 60vh;
    }
    .parallax-orb { display: none; }
}

@media screen and (max-width: 600px) {
    .help-content {
        padding: 16px 2vw;
    }
    .help-sidebar {
        padding: 10px 2vw 8px 2vw;
    }
    .sidebar-title {
        font-size: 18px;
    }
}

.parallax-orb {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.16;
    z-index: 0;
    filter: blur(1.5px) brightness(1.13);
    mix-blend-mode: lighten;
    transition: opacity 0.4s;
    box-shadow: 0 8px 32px #F3630022, 0 2px 12px #fff2;
}
.parallax-orb.orb1 { width: 220px; height: 220px; top: 6vh; left: 4vw; background: var(--orb1);}
.parallax-orb.orb2 { width: 140px; height: 140px; top: 62vh; left: 10vw; background: var(--orb2);}
.parallax-orb.orb3 { width: 260px; height: 260px; top: 28vh; right: 6vw; background: var(--orb3);}
.parallax-orb.orb4 { width: 110px; height: 110px; bottom: 8vh; right: 16vw; background: var(--orb4);}
.parallax-orb.orb5 { width: 80px; height: 80px; bottom: 16vh; left: 28vw; background: var(--orb5);}