/* Home page CSS */
/* --- 第一屏：Hero --- */
.hero {
    position: relative;
    height: auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    text-align: left;
    padding: 130px 5% 80px 5%;
    overflow: hidden;
    background: url('../images/1hero.jpg') no-repeat right center;
    background-size: cover;
    background-color: var(--bg-main);
    z-index: 2;
}

.hero__beam-left {
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle at center, rgba(0, 113, 227, 0.4) 0%, rgba(0, 113, 227, 0.1) 40%, transparent 80%);
    transform-origin: top left;
    transform: rotate(20deg);
    filter: blur(80px);
    opacity: 0;
    z-index: 0;
    pointer-events: none;
}

.hero__beam-right {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle at center, rgba(0, 113, 227, 0.4) 0%, rgba(0, 113, 227, 0.1) 40%, transparent 80%);
    transform-origin: top right;
    transform: rotate(-20deg);
    filter: blur(80px);
    opacity: 0;
    z-index: 0;
    pointer-events: none;
}

.hero__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    margin-bottom: 60px;
    margin-left: 150px;
    margin-right: auto;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.hero__15;
    margin-bottom: 25px;
    letter-spacing: -0.02em;
    color: #1D1D1F;
}

.hero__hero-slogans {
    display: flex;
    justify-content: flex-start;
    gap: 15px;
    margin-bottom: 35px;
    flex-wrap: wrap;
    font-size: 1.hero__15rem;
    color: #333;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero__hero-slogan-divider {
    color: #CCC;
    font-weight: 300;
}

.hero__business-capsules {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 40px;
    max-width: 520px;
    width: 100%;
}

@media (max-width: 768px) {
    .hero__hero-content {
        margin-left: 0;
        margin-right: 0;
    }

    .hero__business-capsules {
        max-width: 300px;
        margin: 0 0 20px 0;
        /* 居左 */
        width: 100%;
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .hero__biz-capsule {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

.hero__biz-capsule {
    background: linear-gradient(145deg, #1C1C1E 0%, #2C2C2E 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 7px 15px;
    border-radius: 40px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #FFFFFF;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.15);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: default;
    letter-spacing: 0.5px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}

.hero__biz-capsule::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    flex-shrink: 0;
}

.hero__biz-capsule:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 113, 227, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.25);
    border-color: rgba(0, 113, 227, 0.6);
    color: #FFFFFF;
}

.hero__hero-subtitle {
    color: #1D1D1F;
    font-size: 1.hero__35rem;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.hero__btn-pill {
    background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    color: #FFF !important;
    padding: 12px 35px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 113, 227, 0.2);
    border: none;
}

.hero__btn-pill:hover {
    box-shadow: 0 8px 25px rgba(0, 113, 227, 0.35);
    transform: translateY(-2px);
}

/* 公司介绍面板 */
.hero__hero-ui-mockup {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 20px auto 0 auto;
    align-self: center;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--accent-blue);
    border-radius: 24px;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    z-index: 5;
    overflow: hidden;
    opacity: 0;
    transform: translateY(100px);
    will-change: transform, opacity;
}

.hero__mockup-header {
    height: 40px;
    background: rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.hero__mockup-header .hero__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.hero__mockup-header .hero__dot:nth-child(1) {
    background: #FF5F56;
}

.hero__mockup-header .hero__dot:nth-child(2) {
    background: #FFBD2E;
}

.hero__mockup-header .hero__dot:nth-child(3) {
    background: #27C93F;
}

.hero__mockup-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 8%;
    text-align: center;
}

.hero__mockup-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 30px;
    color: var(--text-main);
}

.hero__mockup-desc {
    font-size: 1rem;
    color: #1D1D1F !important;
    line-height: 2;
    max-width: 1050px;
    margin: 0 auto 40px auto;
    font-weight: 400;
    text-align: justify;
    letter-spacing: 0.5px;
}

.hero__mockup-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 60px;
    width: 100%;
    border-top: 1px solid var(--border-color);
    padding-top: 35px;
}

.hero__stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__stat-num {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--accent-blue);
    margin-bottom: 8px;
    line-height: 1.1;
}

.hero__stat-label {
    font-size: 1rem;
    color: #444 !important;
    letter-spacing: 1px;
    font-weight: 600;
}



/* --- 全局高级卡片 --- */
.hero__glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-base);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hero__glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 113, 227, 0.3);
}

.hero__img-placeholder {
    width: 100%;
    height: 200px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}
/* --- 第一屏：Hero --- */


/* 第二屏 */
/* --- 通用区块 --- */
.gray-bg { background: rgba(0,0,0,0.02) !important; }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 800; margin-bottom: 20px; color: var(--text-main); }
.section-subtitle { text-align: center; font-size: 1.1rem; color: #555; margin: 0 auto 30px auto; max-width: 1000px; padding: 0 20px; line-height: 1.6; }
/* --- 通用区块 --- */

.content-section { padding: 120px 5%; position: relative; z-index: 2; border-top: 1px solid var(--border-color); background: transparent; }
.core-biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1400px; margin: 0 auto; }
.core-biz-card { background: var(--bg-secondary); border-radius: 24px; padding: 36px 28px; display: flex; flex-direction: column; position: relative; transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1); border: 1px solid var(--border-color); box-shadow: var(--shadow-base); height: 100%;}
.core-biz-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: rgba(0, 113, 227, 0.3); }
.cb-header { margin-bottom: 12px; position: relative; }
.cb-num { font-size: 3.5rem; font-weight: 800; color: rgba(0, 113, 227, 0.08); position: absolute; left: -8px; top: -24px; z-index: 0; letter-spacing: -2px; }
.cb-title { font-size: 1.35rem; font-weight: 700; color: var(--text-main); z-index: 1; position: relative; padding-top: 12px; }
.cb-desc { font-size: 0.95rem; color: #666; line-height: 1.6; margin-bottom: 32px; min-height: 70px; text-align: justify; }
.cb-section-title { font-size: 0.95rem; font-weight: 600; color: var(--text-main); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid #E5E5EA; }
.cb-item-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.cb-item-grid.single { grid-template-columns: 1fr; }
.cb-sub-item { background: var(--bg-main); padding: 14px 10px; text-align: center; font-size: 0.9rem; font-weight: 600; color: var(--text-main); border-radius: 12px; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 10px rgba(0,0,0,0.03); transition: 0.2s ease; border: 1px solid transparent; line-height: 1.4; }
.cb-sub-item:hover { box-shadow: 0 4px 16px rgba(0, 113, 227, 0.12); border-color: var(--accent-blue); color: var(--accent-blue); background: #FFF; transform: translateY(-2px);}

@media (max-width: 1200px) {  .core-biz-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {  .core-biz-grid { grid-template-columns: 1fr; }  .cb-desc { min-height: auto; } }


/* 第二屏 end*/


/* 第三屏 */
/* --- 1. 智慧方案 --- */
.solutions-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; max-width: 1400px; margin: 0 auto; padding: 0 10px;}
.solution-card { display: flex; flex-direction: column; background: #FFF; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-color); transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); cursor: pointer; box-shadow: var(--shadow-base); text-decoration: none; color: inherit; height: 100%;}
.solution-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: rgba(0,113,227,0.3); }
.solution-img { width: 100%; height: 200px; background: rgba(0,0,0,0.03); display: flex; align-items: center; justify-content: center; color: #888; font-size: 0.9rem; border-bottom: 1px solid rgba(0,0,0,0.05);}
.solution-content { padding: 25px; display: flex; flex-direction: column; flex: 1; }
.solution-category { font-size: 0.85rem; color: var(--accent-blue); margin-bottom: 12px; font-weight: 600; text-transform: uppercase;}
.solution-title { font-size: 1.15rem; color: var(--text-main); margin-bottom: 15px; font-weight: 800; line-height: 1.4; transition: color 0.3s;}
.solution-card:hover .solution-title { color: var(--accent-blue); }
.solution-excerpt { font-size: 0.95rem; color: #555; line-height: 1.6; text-align: justify; margin-bottom: 15px;}

/* 统一：底部行业关键词标签组 */
.sol-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 10px; }
.sol-keywords span { font-size: 0.75rem; color: #888; background: #F9F9F9; border: 1px solid #E5E5EA; padding: 3px 8px; border-radius: 4px; font-weight: 500; transition: all 0.3s ease; }

/* 联动悬停效果 */
.solution-card:hover .sol-keywords span,
.v-scenario-card:hover .sol-keywords span,
.knx-card:hover .sol-keywords span { 
    color: var(--accent-blue); 
    border-color: rgba(0, 113, 227, 0.2); 
    background: rgba(0, 113, 227, 0.05); 
}

@media (max-width: 1200px) {  .solutions-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {  .solutions-grid { grid-template-columns: 1fr; } }

/* 第三屏 end*/



/* 第四屏 */
/* --- 2. 建筑智能化全景蓝图 --- */
.blueprint-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
.blueprint-card { padding: 40px 30px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.blueprint-card h4 { font-size: 1.3rem; margin-bottom: 30px; padding-bottom: 15px; border-bottom: 2px solid; width: 100%; color: var(--text-main); }
.blueprint-card ul { padding:0;width:100%; display: flex; flex-direction: column; gap: 15px; }
.blueprint-card li { padding: 12px 15px; background: rgba(0,0,0,0.02); border-radius: 12px; font-size: 0.95rem; color: #444; border: 1px solid transparent; transition: 0.3s; font-weight: 500;}
.blueprint-card li:hover { background: #FFF; color: var(--accent-blue); border-color: var(--accent-blue); box-shadow: 0 5px 15px rgba(0,0,0,0.05);}
.cat-security h4 { border-bottom-color: var(--accent-blue); }
.cat-energy h4 { border-bottom-color: var(--accent-green); }
.cat-it h4 { border-bottom-color: #8E44D0; }

/* 第四屏 end*/


/* 第五屏 */
  /* ========================================================= */
/* --- 3. AIoT 看板与物联 --- */
/* ========================================================= */
.aiot-dashboard-section { position: relative; padding: 100px 2% 80px 2%; width: 100%; height: auto; min-height: 100vh; background: var(--bg-secondary); border-top: 1px solid var(--border-color); z-index: 2; }
.dash-header { text-align: center; margin-bottom: 40px; }
.dashboard-grid { display: grid; grid-template-columns: 290px minmax(400px, 1fr) 290px; gap: 20px; max-width: 1600px; margin: 0 auto; align-items: stretch; }
.dash-column { display: flex; flex-direction: column; gap: 20px; justify-content: space-between; }
.dash-card { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 16px 20px; border-radius: 16px; background: #FFFFFF; border: 1px solid var(--border-color); box-shadow: 0 5px 20px rgba(0,0,0,0.04); transition: 0.3s; }
.dash-card:hover { border-color: var(--accent-blue); box-shadow: 0 10px 30px rgba(0,113,227,0.1); }
.dash-center { flex-direction: column; gap: 20px; justify-content: flex-start;}

.dash-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1600px; margin: 20px auto 0 auto; }
.dash-text-card { padding: 25px; border-radius: 16px; display: flex; flex-direction: column; justify-content: flex-start; background: #FFF; border: 1px solid var(--border-color); box-shadow: 0 5px 20px rgba(0,0,0,0.04);}
.dash-text-card h4 { font-size: 1.1rem; color: var(--accent-blue); font-weight: 700; margin-bottom: 12px; }
.dash-text-card p { font-size: 0.9rem; color: #444; line-height: 1.6; text-align: justify; margin:0;}

.hud-title { font-size: 0.8rem; color: #888; margin-bottom: 12px; display: flex; align-items: center; font-weight: 600; border-left: 3px solid var(--accent-blue); padding-left: 8px; letter-spacing: 0.5px;}
.hud-data-row { display: flex; flex-direction: row; justify-content: space-between; align-items: center; margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px solid #F0F0F0; white-space: nowrap; }
.hud-data-row:last-child { margin-bottom: 0; border-bottom: none; padding-bottom: 0; }

.hud-label { font-size: 0.85rem; color: #333; font-weight: 500;}
.hud-val-container { display: flex; align-items: baseline; justify-content: flex-end;}
.hud-val { font-size: 1.3rem; font-weight: 900; color: #111; font-family: monospace; letter-spacing: -0.5px; }
.hud-unit { font-size: 0.75rem; color: #888; margin-left: 4px; font-weight: 500;}
.hud-status { font-size: 0.75rem; padding: 3px 8px; border-radius: 4px; background: rgba(40, 167, 69, 0.1); color: var(--accent-green); border: 1px solid rgba(40, 167, 69, 0.2); font-weight: 700; }
.hud-status.warning { background: rgba(255, 59, 48, 0.1); color: #FF3B30; border-color: rgba(255, 59, 48, 0.2); }

.chart-h-wrap { width: 100%; margin-top: 5px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.chart-h-bg { flex: 1; height: 6px; background: #E5E5EA; border-radius: 3px; overflow: hidden; margin: 0 12px; }
.chart-h-fill { height: 100%; border-radius: 3px; background: var(--accent-blue); }

.chart-v-container { display: flex; align-items: flex-end; justify-content: space-between; height: 100px; width: 100%; gap: 6px; margin-top:15px; }
.chart-v-bar { flex: 1; background: var(--accent-cyan); border-radius: 2px 2px 0 0; opacity: 0.6; transition: 0.3s; }
.chart-v-bar:hover { opacity: 1; background: var(--accent-blue); }
.chart-v-bar:nth-child(10) { background: var(--accent-blue); opacity: 1; box-shadow: 0 0 10px rgba(0,113,227,0.3);}

@media (max-width: 1200px) {  .dashboard-grid { grid-template-columns: 1fr 1fr; }  .dash-center { grid-column: 1 / -1; order: -1; } }
@media (max-width: 768px) {  .dashboard-grid,  .dash-info-grid { grid-template-columns: 1fr; } }

/* 第五屏 end*/




/* 第六屏 */

 /* --- 物联方案与定制 --- */
.horizon-scroll-wrapper { width: 100%; overflow-x: auto; padding-bottom: 25px; scrollbar-width: none; }
.horizon-scroll-wrapper::-webkit-scrollbar { display: none; }

.horizon-flex-container{
        display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.v-scenario-card { white-space: normal; padding: 30px; display: flex; flex-direction: column; background: #FFF; height: auto;}
.v-scenario-card h3 { font-size: 1.3rem; margin-bottom: 15px; border-bottom: 1px solid #E5E5E5; padding-bottom: 10px; color: var(--text-main); font-weight: 700;}
.v-scenario-card ul { flex: 1; display: flex; flex-direction: column; justify-content: flex-start; margin-bottom: 20px;padding: 0;}
.v-scenario-card li { position: relative; padding-left: 20px; margin-bottom: 12px; color: #555; line-height: 1.5; font-size: 0.9rem; }
.v-scenario-card li::before { content: '•'; color: var(--accent-blue); font-size: 1.2rem; position: absolute; left: 0; top: -2px; }
@media (max-width: 992px) { 
    .horizon-flex-container{
        display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
 }

/* 第六屏 end*/


/* 第七屏 */
.comparison-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; max-width: 1200px; margin: 0 auto; margin-top: 60px;}
.compare-card { padding: 45px 40px; background: #FFF;    background: var(--card-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-base);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);}
 .compare-card ul{
    padding-left: 10px;
    }
.compare-card h3 { font-size: 1.5rem; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid #E5E5E5; color: var(--text-main); font-weight: 800;}
.compare-card li { position: relative; padding-left: 25px; margin-bottom: 15px; color: #444; line-height: 1.6; font-size: 0.95rem; }
.compare-card li::before { content: '•'; color: var(--accent-blue); font-size: 1.5rem; position: absolute; left: 0; top: -2px; }

.scene-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; max-width: 1200px; margin: 60px auto 0 auto; }
.scene-card { padding: 35px 25px; text-align: center; background: #FFF;}
.scene-card h3 { font-size: 1.3rem; margin-bottom: 8px; color: var(--text-main); font-weight: 700;}
.scene-card p { color: #666; font-size: 0.95rem; }

/* 第七屏 end*/


/* 第八屏 */
/* --- 8. 多媒体音视频系统 --- */
.knx-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto; align-items: stretch; }
@media (max-width: 992px) {  .knx-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {  .knx-grid { grid-template-columns: 1fr; } }
.knx-card { padding: 25px; text-align: left; display: flex; flex-direction: column; background: #FFF; height: 100%;}
.knx-card h3 { font-size: 1.3rem; color: var(--text-main); margin-bottom: 10px; font-weight: 700;}
.knx-card p { color: #555; font-size: 0.95rem; line-height: 1.6; margin-bottom: 15px; flex: 1;}

/* 第八屏 end */

/* 第九屏 案例分享*/

 .case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; max-width: 1400px; margin: 0 auto; }
.case-card-v { display: flex; flex-direction: column; background: #FFF; border-radius: 16px; border: 1px solid var(--border-color); overflow: hidden; transition: 0.3s; height: 100%; cursor: pointer; box-shadow: var(--shadow-base);}
.case-card-v:hover { border-color: var(--accent-blue); transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,113,227,0.1); }
.case-img-v { width: 100%; height: 160px; background: rgba(0,0,0,0.03); display: flex; align-items: center; justify-content: center; color: #888; font-size: 0.9rem; border-bottom: 1px solid #E5E5E5; }
.case-content-v { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.case-content-v h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--text-main); line-height: 1.4; font-weight: 700;}
.case-card-v:hover h3 { color: var(--accent-blue); }
.case-content-v p { color: #555; line-height: 1.5; font-size: 0.85rem; margin-bottom: 15px; flex: 1; text-align: justify; }

.case-tags-v { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto;}
.case-tags-v span { background: rgba(0, 113, 227, 0.05); padding: 4px 8px; border-radius: 6px; font-size: 0.75rem; color: var(--accent-blue); border: 1px solid rgba(0, 113, 227, 0.15); font-weight: 600;}

@media (max-width: 1200px) {  .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {  .case-grid { grid-template-columns: 1fr; } }
/* 第九屏end */

/* 第十屏幕 */
 .knx-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto; align-items: stretch; }
@media (max-width: 992px) {  .knx-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {  .knx-grid { grid-template-columns: 1fr; } }
    .knx-card { padding: 25px; text-align: left; display: flex; flex-direction: column; background: #FFF; height: 100%;}
    .knx-card h3 { font-size: 1.3rem; color: var(--text-main); margin-bottom: 10px; font-weight: 700;}
    .knx-card p { color: #555; font-size: 0.95rem; line-height: 1.6; margin-bottom: 15px; flex: 1;}
/* 第十屏幕end */


/* 第十一屏 */
.partner-wrapper { width: 100%; overflow-x: auto; padding-bottom: 20px; scrollbar-width: none; }
.partner-wrapper::-webkit-scrollbar { display: none; }
.partner-grid { display: grid; grid-template-columns: repeat(9, 1fr); grid-template-rows: repeat(3, 1fr); gap: 15px; width: max-content; margin: 0 auto; padding:20px 0; }
.partner-logo { width: 130px; height: 65px; display: flex; align-items: center; justify-content: center; background: #FFF; border-radius: 12px; border: 1px solid var(--border-color); transition: 0.3s; cursor: pointer; padding: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.02);}
.partner-logo img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.3s ease; }
.partner-logo:hover img { transform: scale(1.05); }
.partner-logo:hover { border-color: var(--accent-blue); box-shadow: 0 5px 15px rgba(0,113,227,0.1); transform: translateY(-3px); }

       
/* 第十一屏end */


/* 第十二屏幕 */
 .contact-section { text-align: center; padding-bottom: 40px; overflow: visible; }
.map-container { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; margin: 0 auto; padding-bottom: 30px; justify-content: center; }
.map-node { padding: 10px 20px; border-radius: 40px; font-weight: 700; color: #333; font-size: 0.95rem; white-space: nowrap; border: 1px solid var(--accent-blue); background: #FFF;}
.map-arrow { font-size: 1.2rem; color: #AAA; display: flex; align-items: center; white-space: nowrap; }
.map-target { padding: 8px 18px; border-radius: 30px; color: #666; font-size: 0.85rem; font-weight: 600; white-space: nowrap; background: #FFF; border: 1px solid var(--border-color);}

.contact-grid { display: flex; justify-content: center; margin-top: 20px; width: 100%; gap: 30px; flex-wrap: wrap; }
.contact-box { flex: 1; max-width: 400px; min-width: 320px; text-align: left; padding: 40px; background: #FFF;backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-base);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);}
.contact-box h4 { font-size: 1.2rem; margin-bottom: 15px; color: var(--text-main); white-space: nowrap; border-bottom: 1px solid #E5E5E5; padding-bottom: 15px; font-weight: 800;}
.company-addr { font-size: 0.95rem !important; color: #555; margin-bottom: 15px !important; line-height: 1.6;}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: #555; text-decoration: none; font-size: 0.95rem; display: flex; align-items: center; gap: 8px; font-weight: 500; transition: 0.3s ease; }
.footer-links a::before { content: '➔'; font-size: 0.9rem; color: var(--accent-blue); opacity: 0.5; transition: 0.3s; }
.footer-links a:hover { color: var(--accent-blue) !important; transform: translateX(5px); }
.footer-links a:hover::before { opacity: 1; }

.social-section { margin-top: 25px; padding-top: 5px; }
.social-icons-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; width: 100%; }
.social-icon-item { display: flex; justify-content: center; align-items: center; background: #F9F9F9; padding: 10px 0; border-radius: 8px; border: 1px solid var(--border-color); color: #333; font-size: 0.9rem; font-weight: 600; transition: 0.3s; cursor: pointer; white-space: nowrap;}
.social-icon-item:hover { border-color: var(--accent-blue); background: #FFF; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,113,227,0.15); color: var(--accent-blue);}

/* --- 弹窗样式 --- */
.senu-modal { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); z-index: 100000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: 0.3s ease; padding: 20px;}
.senu-modal.active { opacity: 1; visibility: visible; }

.qr-modal-content { background: #FFF; box-shadow: 0 20px 50px rgba(0,0,0,0.15); border-radius: 20px; padding: 40px; text-align: center; color: var(--text-main); transform: translateY(30px); transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); width: 100%; max-width: 350px;}
.senu-modal.active .qr-modal-content { transform: translateY(0); }
.qr-img-placeholder { width: 200px; height: 200px; background: #F5F5F7; border: 1px dashed #CCC; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px auto; color: #888; font-size: 0.9rem; }
.qr-modal-text { font-size: 1.1rem; font-weight: 600; margin-bottom: 25px; color: #333;}

.case-modal-content { background: #FFF; box-shadow: 0 20px 60px rgba(0,0,0,0.2); border-radius: 20px; padding: 0; color: var(--text-main); transform: translateY(30px); transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); width: 100%; max-width: 750px; max-height: 85vh; display: flex; flex-direction: column; overflow: hidden;}
.senu-modal.active .case-modal-content { transform: translateY(0); }
.cm-header { padding: 25px 35px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; background: #F9F9F9;}
.cm-header h3 { font-size: 1.25rem; font-weight: 800; color: var(--text-main); margin: 0; line-height:1.4;}
.cm-body { padding: 35px 40px; overflow-y: auto; flex: 1; scrollbar-width: thin;}
.cm-desc { font-size: 1.05rem; color: #333; line-height: 1.9; text-align: justify; white-space: pre-wrap;}

.modal-close-btn { background: #F5F5F7; border: 1px solid var(--border-color); color: #555; padding: 8px 25px; border-radius: 20px; cursor: pointer; transition: 0.3s; font-size: 0.95rem; font-weight: 600; flex-shrink:0; margin-left:20px;}
.modal-close-btn:hover { background: var(--accent-blue); color: #FFF; border-color: var(--accent-blue);}
/* 第十二屏幕end */