/* ─── 유월 헤더 active 표시 ─── */
#gnb ul li a[href*="china-marketing"] { color: #22b24c !important; font-weight: 700; }

/* ─── 전역 변수 ─── */
:root {
    --ch-red:       #FF2424;
    --ch-red-dark:  #CC0000;
    --ch-red-light: #FFF0F0;
    --ch-gold:      #FFB800;
    --ch-dark:      #1A0A0A;
    --ch-dark2:     #2D1515;
    --ch-text:      #1A1A1A;
    --ch-text-mid:  #4B4B4B;
    --ch-text-light:#888888;
    --ch-bg:        #F9F9F9;
    --ch-white:     #FFFFFF;
    --ch-border:    #E8E8E8;
    --ch-shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --ch-shadow-md: 0 8px 32px rgba(0,0,0,0.10);
    --ch-shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --ch-radius:    16px;
    --ch-radius-sm: 8px;
    --ch-grad-red:  linear-gradient(135deg, #FF2424 0%, #CC0000 100%);
    --ch-grad-hero: linear-gradient(135deg, #1A0A0A 0%, #3D1010 50%, #1A0A0A 100%);
}

/* ─── 공통 ─── */
.ch-section { padding: 100px 40px; }
.ch-inner { max-width: 1200px; margin: 0 auto; }
.ch-badge {
    display: inline-block;
    background: var(--ch-red-light);
    color: var(--ch-red);
    font-size: 12px; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    padding: 6px 16px; border-radius: 50px; margin-bottom: 16px;
}
.ch-section-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 900; color: var(--ch-text);
    line-height: 1.25; margin-bottom: 16px;
}
.ch-section-title .red { color: var(--ch-red); }
.ch-section-desc {
    font-size: 17px; color: var(--ch-text-mid);
    line-height: 1.7; margin-bottom: 0;
}
.ch-section-center { text-align: center; margin-bottom: 60px; }

/* ─── HERO ─── */
.ch-hero {
    background: var(--ch-grad-hero);
    padding: 140px 40px 120px;
    position: relative; overflow: hidden;
}
.ch-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><circle cx="30" cy="30" r="1" fill="%23FF2424" opacity="0.15"/></svg>') repeat;
    pointer-events: none;
}
.ch-hero-inner {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
}
.ch-hero-label {
    display: inline-block;
    background: rgba(255,36,36,0.2);
    border: 1px solid rgba(255,36,36,0.4);
    color: #FF6B6B; font-size: 13px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    padding: 8px 20px; border-radius: 50px; margin-bottom: 24px;
}
.ch-hero-title {
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 900; color: #fff;
    line-height: 1.2; margin-bottom: 24px;
}
.ch-hero-title .red { color: var(--ch-red); }
.ch-hero-title .gold { color: var(--ch-gold); }
.ch-hero-desc {
    font-size: 17px; color: rgba(255,255,255,0.75);
    line-height: 1.8; margin-bottom: 40px;
}
.ch-hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.ch-btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--ch-grad-red);
    color: #fff; font-size: 16px; font-weight: 700;
    padding: 16px 36px; border-radius: 50px;
    text-decoration: none; border: none; cursor: pointer;
    box-shadow: 0 8px 24px rgba(255,36,36,0.4);
    transition: all 0.25s;
}
.ch-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,36,36,0.5); color: #fff; }
.ch-btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent;
    color: #fff; font-size: 16px; font-weight: 600;
    padding: 16px 36px; border-radius: 50px;
    text-decoration: none; border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.25s;
}
.ch-btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; }
.ch-hero-stats {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ch-hero-stat {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--ch-radius);
    padding: 28px 20px; text-align: center;
    backdrop-filter: blur(10px);
}
.ch-hero-stat-num {
    font-size: 40px; font-weight: 900;
    color: var(--ch-red); font-family: 'Montserrat', sans-serif;
    line-height: 1; margin-bottom: 8px;
}
.ch-hero-stat-num .unit { font-size: 20px; }
.ch-hero-stat-label { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.5; }

/* ─── WHY CHINA ─── */
.ch-why { background: var(--ch-white); }
.ch-why-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
}
.ch-why-chart {
    background: var(--ch-bg);
    border-radius: 24px; padding: 40px;
    border: 1px solid var(--ch-border);
}
.ch-why-chart-title {
    font-size: 18px; font-weight: 800; color: var(--ch-text);
    margin-bottom: 8px;
}
.ch-why-chart-note {
    font-size: 12px; color: var(--ch-text-light);
    margin-bottom: 28px;
}
.ch-bar-item { margin-bottom: 16px; }
.ch-bar-label {
    display: flex; justify-content: space-between;
    font-size: 14px; font-weight: 600; color: var(--ch-text);
    margin-bottom: 6px;
}
.ch-bar-track {
    height: 10px; background: #EEE; border-radius: 10px; overflow: hidden;
}
.ch-bar-fill {
    height: 100%; border-radius: 10px;
    background: var(--ch-grad-red);
    width: 0; transition: width 1.2s ease;
}
.ch-bar-fill.gold { background: linear-gradient(90deg, #FFB800, #FF8C00); }
.ch-why-highlights {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px; margin-top: 32px;
}
.ch-why-highlight {
    background: var(--ch-red-light);
    border-radius: var(--ch-radius-sm);
    padding: 20px; text-align: center;
}
.ch-why-highlight-num {
    font-size: 32px; font-weight: 900;
    color: var(--ch-red); font-family: 'Montserrat', sans-serif;
    line-height: 1; margin-bottom: 6px;
}
.ch-why-highlight-label { font-size: 13px; color: var(--ch-text-mid); }
.ch-why-text h2 { margin-bottom: 24px; }
.ch-why-points { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.ch-why-point {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px; background: var(--ch-bg);
    border-radius: var(--ch-radius-sm);
    border-left: 4px solid var(--ch-red);
}
.ch-why-point-icon { font-size: 28px; flex-shrink: 0; }
.ch-why-point-title { font-size: 16px; font-weight: 800; color: var(--ch-text); margin-bottom: 4px; }
.ch-why-point-desc { font-size: 14px; color: var(--ch-text-mid); line-height: 1.6; }

/* ─── XIAOHONGSHU ─── */
.ch-xhs { background: #FFF8F8; }
.ch-xhs-intro {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center; margin-bottom: 80px;
}
.ch-xhs-phone {
    background: var(--ch-dark);
    border-radius: 32px; padding: 20px;
    box-shadow: var(--ch-shadow-lg);
    max-width: 320px; margin: 0 auto;
}
.ch-xhs-phone-screen {
    background: #fff; border-radius: 20px;
    overflow: hidden; aspect-ratio: 9/16;
    display: flex; flex-direction: column;
}
.ch-xhs-phone-top {
    background: var(--ch-red);
    padding: 16px 20px;
    display: flex; align-items: center; gap: 10px;
}
.ch-xhs-logo {
    width: 32px; height: 32px; background: #fff;
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 900; color: var(--ch-red);
}
.ch-xhs-phone-title { color: #fff; font-size: 14px; font-weight: 700; }
.ch-xhs-feed {
    flex: 1; padding: 12px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    overflow: hidden;
}
.ch-xhs-card {
    background: var(--ch-bg);
    border-radius: 10px; overflow: hidden;
}
.ch-xhs-card-img {
    aspect-ratio: 1; background: linear-gradient(135deg, #FFE0E0, #FFBABA);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
}
.ch-xhs-card-text { padding: 8px; font-size: 10px; color: var(--ch-text-mid); line-height: 1.4; }
.ch-xhs-text h2 { margin-bottom: 20px; }
.ch-xhs-features { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.ch-xhs-feature {
    display: flex; gap: 14px; align-items: center;
    padding: 16px; background: #fff;
    border-radius: var(--ch-radius-sm);
    box-shadow: var(--ch-shadow-sm);
    border: 1px solid var(--ch-border);
}
.ch-xhs-feature-icon {
    width: 44px; height: 44px; flex-shrink: 0;
    background: var(--ch-red-light);
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    font-size: 20px;
}
.ch-xhs-feature-title { font-size: 15px; font-weight: 700; color: var(--ch-text); margin-bottom: 2px; }
.ch-xhs-feature-desc { font-size: 13px; color: var(--ch-text-mid); }

/* ─── 업종 카드 ─── */
.ch-industry { background: var(--ch-white); }
.ch-industry-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.ch-industry-card {
    background: var(--ch-bg);
    border: 2px solid var(--ch-border);
    border-radius: 20px; padding: 36px 24px;
    text-align: center;
    transition: all 0.25s;
}
.ch-industry-card:hover {
    border-color: var(--ch-red);
    box-shadow: var(--ch-shadow-md);
    transform: translateY(-4px);
    background: var(--ch-white);
}
.ch-industry-icon { font-size: 48px; margin-bottom: 16px; }
.ch-industry-name { font-size: 18px; font-weight: 800; color: var(--ch-text); margin-bottom: 8px; }
.ch-industry-desc { font-size: 13px; color: var(--ch-text-mid); line-height: 1.6; }

/* ─── 프로세스 ─── */
.ch-process { background: var(--ch-dark); }
.ch-process .ch-section-title { color: #fff; }
.ch-process .ch-section-desc { color: rgba(255,255,255,0.65); }
.ch-process .ch-badge { background: rgba(255,36,36,0.2); color: #FF6B6B; }
.ch-process-steps {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
    position: relative;
}
.ch-process-steps::before {
    content: '';
    position: absolute; top: 40px; left: 10%; right: 10%; height: 2px;
    background: linear-gradient(90deg, var(--ch-red), var(--ch-gold));
    z-index: 0;
}
.ch-process-step {
    text-align: center; position: relative; z-index: 1;
}
.ch-process-num {
    width: 80px; height: 80px;
    background: var(--ch-grad-red);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 24px; font-weight: 900; color: #fff;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(255,36,36,0.4);
}
.ch-process-title { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.ch-process-desc { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ─── 후기 ─── */
.ch-reviews { background: var(--ch-bg); }
.ch-reviews-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.ch-review-card {
    background: var(--ch-white);
    border-radius: 20px; padding: 32px;
    border: 1px solid var(--ch-border);
    box-shadow: var(--ch-shadow-sm);
    transition: all 0.25s;
}
.ch-review-card:hover { box-shadow: var(--ch-shadow-md); transform: translateY(-4px); }
.ch-review-stars { color: var(--ch-gold); font-size: 18px; margin-bottom: 16px; }
.ch-review-text {
    font-size: 15px; color: var(--ch-text-mid);
    line-height: 1.8; margin-bottom: 20px;
    font-style: italic;
}
.ch-review-author { display: flex; align-items: center; gap: 12px; }
.ch-review-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--ch-red-light);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
}
.ch-review-name { font-size: 14px; font-weight: 700; color: var(--ch-text); }
.ch-review-type { font-size: 12px; color: var(--ch-text-light); }

/* ─── FAQ ─── */
.ch-faq { background: var(--ch-white); }
.ch-faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.ch-faq-item {
    border: 2px solid var(--ch-border);
    border-radius: var(--ch-radius);
    overflow: hidden;
    transition: border-color 0.25s;
}
.ch-faq-item.open { border-color: var(--ch-red); }
.ch-faq-q {
    padding: 20px 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    cursor: pointer; background: var(--ch-white);
    font-size: 16px; font-weight: 700; color: var(--ch-text);
    transition: background 0.2s;
}
.ch-faq-q:hover { background: var(--ch-bg); }
.ch-faq-icon {
    width: 28px; height: 28px; flex-shrink: 0;
    background: var(--ch-red-light); color: var(--ch-red);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700;
    transition: transform 0.25s;
}
.ch-faq-item.open .ch-faq-icon { transform: rotate(45deg); background: var(--ch-red); color: #fff; }
.ch-faq-a {
    padding: 0 24px;
    max-height: 0; overflow: hidden;
    font-size: 15px; color: var(--ch-text-mid); line-height: 1.8;
    transition: max-height 0.35s ease, padding 0.35s;
}
.ch-faq-item.open .ch-faq-a { max-height: 200px; padding: 0 24px 20px; }

/* ─── CTA ─── */
.ch-cta {
    background: var(--ch-grad-hero);
    padding: 100px 40px; text-align: center;
    position: relative; overflow: hidden;
}
.ch-cta::before {
    content: '小红书';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-size: 300px; font-weight: 900; color: rgba(255,36,36,0.04);
    pointer-events: none; white-space: nowrap;
}
.ch-cta-title { font-size: clamp(28px, 4vw, 48px); font-weight: 900; color: #fff; margin-bottom: 16px; }
.ch-cta-title .red { color: var(--ch-red); }
.ch-cta-desc { font-size: 18px; color: rgba(255,255,255,0.7); margin-bottom: 48px; line-height: 1.7; }
.ch-cta-form {
    max-width: 600px; margin: 0 auto;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 24px; padding: 40px;
    backdrop-filter: blur(10px);
}
.ch-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.ch-form-group { display: flex; flex-direction: column; gap: 6px; }
.ch-form-group label { font-size: 13px; color: rgba(255,255,255,0.7); font-weight: 600; }
.ch-form-group input,
.ch-form-group select,
.ch-form-group textarea {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px; padding: 12px 16px;
    color: #fff; font-size: 14px;
    outline: none; transition: border-color 0.2s;
}
.ch-form-group input::placeholder { color: rgba(255,255,255,0.4); }
.ch-form-group input:focus,
.ch-form-group select:focus,
.ch-form-group textarea:focus { border-color: var(--ch-red); }
.ch-form-group select option { background: var(--ch-dark); color: #fff; }
.ch-form-group textarea { resize: none; height: 100px; }
.ch-form-full { grid-column: 1 / -1; }
.ch-form-submit {
    width: 100%; padding: 16px;
    background: var(--ch-grad-red);
    color: #fff; font-size: 16px; font-weight: 700;
    border: none; border-radius: 50px; cursor: pointer;
    margin-top: 8px;
    box-shadow: 0 8px 24px rgba(255,36,36,0.4);
    transition: all 0.25s;
}
.ch-form-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,36,36,0.5); }
.ch-cta-note { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 24px; }

/* ─── 반응형 ─── */
@media (max-width: 1024px) {
    /* Hero: keep 2-col layout, lock to viewport height */
    .ch-hero {
        height: 100svh;
        padding: 0 32px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .ch-hero-inner {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }
    .ch-hero-title { font-size: clamp(22px, 3vw, 40px); margin-bottom: 16px; }
    .ch-hero-desc { font-size: 15px; margin-bottom: 24px; }
    .ch-hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .ch-hero-stat { padding: 18px 10px; }
    .ch-hero-stat-num { font-size: 28px; }
    .ch-hero-stat-num .unit { font-size: 16px; }
    .ch-hero-stat-label { font-size: 11px; }
    /* Other sections */
    .ch-why-grid { grid-template-columns: 1fr; }
    .ch-xhs-intro { grid-template-columns: 1fr; }
    .ch-industry-grid { grid-template-columns: repeat(2, 1fr); }
    .ch-process-steps { grid-template-columns: repeat(2, 1fr); }
    .ch-process-steps::before { display: none; }
    .ch-reviews-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 840px) {
    /* Hero: keep 2-col layout and lock to viewport height so video fills fully */
    .ch-hero {
        height: 100svh;
        padding: 0 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .ch-hero-inner {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        align-items: center;
    }
    .ch-hero-label { font-size: 11px; padding: 6px 12px; margin-bottom: 12px; }
    .ch-hero-title { font-size: 24px; margin-bottom: 12px; }
    .ch-hero-desc { font-size: 13px; line-height: 1.6; margin-bottom: 20px; }
    .ch-hero-btns { gap: 10px; }
    .ch-btn-primary, .ch-btn-outline { font-size: 13px; padding: 12px 20px; }
    .ch-hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .ch-hero-stat { padding: 14px 8px; }
    .ch-hero-stat-num { font-size: 24px; }
    .ch-hero-stat-num .unit { font-size: 14px; }
    .ch-hero-stat-label { font-size: 11px; }
    /* Other sections */
    .ch-why-grid { grid-template-columns: 1fr; }
    .ch-xhs-intro { grid-template-columns: 1fr; }
    .ch-industry-grid { grid-template-columns: repeat(2, 1fr); }
    .ch-process-steps { grid-template-columns: repeat(2, 1fr); }
    .ch-process-steps::before { display: none; }
    .ch-reviews-grid { grid-template-columns: repeat(2, 1fr); }
}



@media (max-width: 640px) {
    .ch-section { padding: 60px 20px; }
    /* Hero: exactly 1 screen tall so video fills without black bars */
    .ch-hero {
        height: 100svh;
        padding: 0 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .ch-hero-inner {
        grid-template-columns: 1fr;
        gap: 0;
    }
    /* Hide stats grid on mobile — keeps hero within viewport height */
    .ch-hero-inner > div:last-child { display: block; }
    .ch-hero-stats {margin-top: 100px;}
    .ch-hero-title { font-size: 30px; margin-bottom: 16px; }
    .ch-hero-desc { font-size: 15px; margin-bottom: 28px; }
    .ch-hero-label { font-size: 11px; padding: 6px 14px; margin-bottom: 16px; }
    .ch-industry-grid { grid-template-columns: 1fr 1fr; }
    .ch-process-steps { grid-template-columns: 1fr 1fr; }
    .ch-reviews-grid { grid-template-columns: 1fr; }
    .ch-why-highlights { grid-template-columns: 1fr 1fr; }
    .ch-form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .ch-hero-btns{ gap: 12px; }

}
@media (max-width: 360px) {
    .ch-hero-title {
        font-size: 24px;
        margin-bottom: 11px;
    }
    .ch-hero-stats {
        margin-top: 19px;
    }
    .ch-hero-desc {
        font-size: 11px;
        margin-bottom: 9px;
    }
    .ch-hero-btns {
        gap: 6px;
        display: flex;
        flex-wrap: wrap;
    }

    .ch-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--ch-grad-red);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(255, 36, 36, 0.4);
    transition: all 0.25s;
    }
    .ch-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.25s;
}

.ch-hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 11px;
    }

    .ch-hero-stat {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--ch-radius);
    padding: 21px 15px;
    text-align: center;
    backdrop-filter: blur(10px);
}

}

/* ─── 페이드 인 애니메이션 ─── */
.ch-fade { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.ch-fade.visible { opacity: 1; transform: translateY(0); }
.ch-fade-d1 { transition-delay: 0.1s; }
.ch-fade-d2 { transition-delay: 0.2s; }
.ch-fade-d3 { transition-delay: 0.3s; }
.ch-fade-d4 { transition-delay: 0.4s; }

.ch-hero-bg-video {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        z-index: 0;
    }

    .ch-hero-bg-video iframe {
        position: absolute;
        top: 50%;
        left: 50%;
        /* 16:9 cover: 100% covers the container height even if > 100vh */
        width: max(100%, 100vw, 177.78vh);
        height: max(100%, 56.25vw, 100vh);
        transform: translate(-50%, -50%);
        pointer-events: none;
    }


.ch-hero::after{
    content:'';
    position:absolute;
    inset:0;
    background:rgba(0,0,0,0.55);
    z-index:1;
}


.ch-hero-inner{
    position:relative;
    z-index:2;
}