/* =====================================================================
   linian.css —— 品牌理念页样式（类名前缀 ln-）
   纯 CSS 视觉设计（渐变/光晕/引号装饰），不依赖图片素材
   ===================================================================== */

/* ---------- 内页 Banner ---------- */
.ln-hero {
    position: relative;
    padding: 160px 0 90px;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(10, 12, 18, 0.5) 0%, rgba(10, 12, 18, 0.8) 100%),
        url(banner/1-2.jpg) center center / cover no-repeat;
    overflow: hidden;
}
.ln-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 45% at 50% 0%, rgba(200, 160, 96, 0.16), transparent 70%),
        radial-gradient(ellipse 30% 30% at 12% 85%, rgba(200, 160, 96, 0.06), transparent 70%),
        radial-gradient(ellipse 30% 30% at 88% 85%, rgba(200, 160, 96, 0.06), transparent 70%);
    pointer-events: none;
}
.ln-hero-content { position: relative; z-index: 1; }
.ln-breadcrumb {
    font-size: 13px;
    color: var(--text-gray);
    letter-spacing: 1px;
    margin-bottom: 26px;
}
.ln-breadcrumb a { color: var(--text-gray); transition: color 0.25s; }
.ln-breadcrumb a:hover { color: var(--gold); }
.ln-breadcrumb-sep { margin: 0 8px; opacity: 0.5; }
.ln-breadcrumb-current { color: var(--silver); }
.ln-hero-tag {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--gold);
    border: 1px solid var(--border);
    padding: 8px 22px;
    margin-bottom: 26px;
}
.ln-hero-title {
    font-size: 46px;
    font-weight: 700;
    letter-spacing: 8px;
    background: linear-gradient(120deg, #F5EBD8 20%, var(--gold) 55%, #F5EBD8 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
}
.ln-hero-sub {
    font-size: 18px;
    letter-spacing: 4px;
    color: var(--silver);
}

/* ---------- 通用区块 ---------- */
.ln-section { padding: 80px 0 0; }
.ln-section-head { text-align: center; margin-bottom: 46px; }
.ln-section-no {
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--gold);
    margin-bottom: 12px;
}
.ln-section-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--text-white);
    margin-bottom: 10px;
}
.ln-section-lead {
    font-size: 15px;
    letter-spacing: 2px;
    color: var(--gold);
}

/* ---------- 品牌信念（引言式） ---------- */
.ln-belief {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    padding: 60px 64px 56px;
    border: 1px solid var(--border);
    background:
        radial-gradient(ellipse 60% 80% at 50% 0%, rgba(200, 160, 96, 0.08), transparent 75%),
        var(--bg-card);
    text-align: center;
    overflow: hidden;
}
.ln-belief::before {
    content: '\201C';
    position: absolute;
    top: -6px;
    left: 28px;
    font-family: Georgia, serif;
    font-size: 130px;
    line-height: 1;
    color: rgba(200, 160, 96, 0.22);
    pointer-events: none;
}
.ln-belief::after {
    content: '\201D';
    position: absolute;
    bottom: -34px;
    right: 28px;
    font-family: Georgia, serif;
    font-size: 130px;
    line-height: 1;
    color: rgba(200, 160, 96, 0.22);
    pointer-events: none;
}
.ln-belief-text {
    font-size: 19px;
    line-height: 2.5;
    letter-spacing: 2px;
    color: var(--text-white);
}
.ln-belief-text b {
    color: var(--gold);
    font-weight: 600;
}
.ln-belief-sign {
    margin-top: 30px;
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--text-gray);
}
.ln-belief-sign::before {
    content: '';
    display: inline-block;
    width: 34px;
    height: 1px;
    background: var(--gold);
    vertical-align: middle;
    margin-right: 14px;
}
.ln-belief-sign::after {
    content: '';
    display: inline-block;
    width: 34px;
    height: 1px;
    background: var(--gold);
    vertical-align: middle;
    margin-left: 14px;
}

/* ---------- 品牌基因三卡 ---------- */
.ln-genes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ln-gene {
    position: relative;
    border: 1px solid rgba(200, 160, 96, 0.15);
    background: var(--bg-card);
    padding: 54px 34px 46px;
    text-align: center;
    overflow: hidden;
    transition: all 0.35s;
}
.ln-gene::before {
    content: attr(data-index);
    position: absolute;
    top: 14px;
    right: 20px;
    font-size: 56px;
    font-weight: 700;
    font-style: italic;
    color: rgba(200, 160, 96, 0.12);
    line-height: 1;
    pointer-events: none;
}
.ln-gene::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    transition: width 0.4s;
}
.ln-gene:hover {
    border-color: rgba(200, 160, 96, 0.45);
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}
.ln-gene:hover::after { width: 70%; }
.ln-gene-en {
    font-size: 13px;
    letter-spacing: 5px;
    color: var(--text-gray);
    margin-bottom: 16px;
}
.ln-gene-name {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 6px;
    background: linear-gradient(120deg, #F5EBD8 20%, var(--gold) 55%, #F5EBD8 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
}
.ln-gene-desc {
    font-size: 13.5px;
    line-height: 2;
    color: var(--text-gray);
}

/* ---------- 核心价值 ---------- */
.ln-core {
    position: relative;
    border: 1px solid var(--border);
    background:
        radial-gradient(ellipse 55% 75% at 50% 100%, rgba(200, 160, 96, 0.12), transparent 75%),
        var(--bg-card);
    padding: 70px 40px 66px;
    text-align: center;
    overflow: hidden;
}
.ln-core-label {
    font-size: 13px;
    letter-spacing: 5px;
    color: var(--text-gray);
    margin-bottom: 20px;
}
.ln-core-text {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 5px;
    background: linear-gradient(120deg, #F5EBD8 20%, var(--gold) 55%, #F5EBD8 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 26px;
}
.ln-core-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}
.ln-core-item {
    padding: 11px 28px;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--silver);
    border: 1px solid rgba(200, 160, 96, 0.3);
    background: rgba(200, 160, 96, 0.05);
}
.ln-core-item b { color: var(--gold); font-weight: 600; }

/* ---------- 收尾 CTA ---------- */
.ln-cta {
    position: relative;
    margin-top: 90px;
    padding: 110px 0 120px;
    text-align: center;
    background:
        radial-gradient(ellipse 55% 60% at 50% 100%, rgba(200, 160, 96, 0.14), transparent 75%),
        linear-gradient(180deg, #10131C 0%, #0A0C12 100%);
    overflow: hidden;
}
.ln-cta-en {
    font-size: 14px;
    letter-spacing: 6px;
    color: var(--silver);
    margin-bottom: 16px;
}
.ln-cta-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 4px;
    background: linear-gradient(120deg, #F5EBD8 20%, var(--gold) 55%, #F5EBD8 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}
.ln-cta-text {
    max-width: 640px;
    margin: 0 auto 32px;
    font-size: 14.5px;
    line-height: 2;
    color: var(--text-gray);
}
.ln-cta-tel {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 28px;
}
.ln-btn-gold {
    display: inline-block;
    padding: 14px 44px;
    font-size: 15px;
    letter-spacing: 3px;
    color: #0A0C12;
    background: linear-gradient(120deg, var(--gold) 0%, #E0C088 50%, var(--gold) 100%);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}
.ln-btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(200, 160, 96, 0.35);
}
.ln-btn-outline {
    display: inline-block;
    margin-left: 16px;
    padding: 13px 40px;
    font-size: 15px;
    letter-spacing: 3px;
    color: var(--gold);
    background: transparent;
    border: 1px solid var(--gold);
    text-decoration: none;
    transition: all 0.3s;
}
.ln-btn-outline:hover { background: rgba(200, 160, 96, 0.1); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .ln-hero-title { font-size: 34px; }
    .ln-genes { grid-template-columns: 1fr; }
    .ln-belief { padding: 50px 34px; }
    .ln-core-text { font-size: 27px; }
}
@media (max-width: 600px) {
    .ln-hero { padding: 120px 0 60px; }
    .ln-hero-title { font-size: 28px; letter-spacing: 4px; }
    .ln-section-title { font-size: 24px; }
    .ln-belief { padding: 44px 22px; }
    .ln-belief::before { font-size: 90px; left: 12px; }
    .ln-belief::after { font-size: 90px; right: 12px; }
    .ln-belief-text { font-size: 16px; }
    .ln-core-text { font-size: 22px; letter-spacing: 2px; }
    .ln-btn-outline { margin-left: 0; margin-top: 14px; }
    .ln-cta-tel { font-size: 25px; }
}