/* ============================================
   睿小匠站群系统 - 全局样式 v2
   品牌色：深蓝#1A5CB8 + 青绿#00C896
   ============================================ */

:root {
    --color-primary: #1A5CB8;
    --color-primary-light: #3D7ADD;
    --color-primary-dark: #0F3D8E;
    --color-accent: #00C896;
    --color-accent-light: #3DD9B0;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F8FC;
    --color-text: #1a1a2e;
    --color-text-light: #6B7280;
    --color-border: #E5EAF0;
    --shadow-sm: 0 2px 8px rgba(26,92,184,0.06);
    --shadow-md: 0 4px 20px rgba(26,92,184,0.1);
    --shadow-lg: 0 12px 40px rgba(26,92,184,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-light); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* SVG图标 */
.icon-svg { width: 1em; height: 1em; display: inline-block; vertical-align: middle; flex-shrink: 0; }
.icon-svg-lg { width: 1.4em; height: 1.4em; }
.icon-svg-sm { width: 0.9em; height: 0.9em; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 12px auto 0;
    border-radius: 2px;
}

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 32px; font-size: 1rem; font-weight: 600;
    border-radius: var(--radius-sm); border: none; cursor: pointer;
    transition: var(--transition); text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: var(--color-accent-light); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-lg { padding: 14px 40px; font-size: 1.1rem; }
.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }

/* ============================================
   导航栏
   ============================================ */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm); z-index: 1000;
    transition: var(--transition);
}
.header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 20px;
    height: 80px; display: flex; align-items: center; justify-content: space-between;
}
.logo img { height: 60px; transition: var(--transition); }
.nav-menu { display: flex; align-items: center; gap: 30px; }
.nav-menu > a, .nav-dropdown > a {
    color: var(--color-text); font-size: 0.95rem; font-weight: 500;
    position: relative; padding: 5px 0;
}
.nav-menu > a.active::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0;
    height: 2px; background: var(--color-primary);
}
.nav-dropdown > a::after {
    content: ''; display: inline-block;
    width: 0; height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 5px; vertical-align: middle;
    opacity: 0.5; transition: var(--transition);
}
.nav-dropdown:hover > a::after { opacity: 1; transform: rotate(180deg); }
.nav-menu > a:hover, .nav-dropdown > a:hover, .nav-menu a.active { color: var(--color-primary); }
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    background: #fff; box-shadow: var(--shadow-md); border-radius: var(--radius-md);
    padding: 8px 0; min-width: 200px; opacity: 0; visibility: hidden;
    transition: var(--transition); margin-top: 10px;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; margin-top: 0; }
.nav-dropdown-menu a { display: block; padding: 10px 20px; font-size: 0.9rem; color: var(--color-text); }
.nav-dropdown-menu a:hover { background: var(--color-bg-alt); color: var(--color-primary); }
.header-actions { display: flex; align-items: center; gap: 15px; }
.header-phone {
    display: flex; align-items: center; gap: 10px; text-decoration: none;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff; padding: 8px 20px; border-radius: 30px; transition: var(--transition);
    box-shadow: 0 2px 12px rgba(26, 92, 184, 0.25);
}
.header-phone:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26, 92, 184, 0.35); }
.header-phone-icon { font-size: 1.3rem; }
.header-phone-text { display: flex; flex-direction: column; line-height: 1.2; }
.header-phone-text small { font-size: 0.65rem; opacity: 0.85; font-weight: 400; }
.header-phone-text strong { font-size: 1rem; font-weight: 700; letter-spacing: 0.5px; }
.nav-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--color-primary); align-items: center; }

/* ============================================
   首屏Hero - 前卫动效版
   ============================================ */
.hero {
    min-height: 640px;
    background: linear-gradient(135deg, #0A2D6E 0%, #14469B 40%, #1A5CB8 70%, #2475E0 100%);
    position: relative; overflow: hidden;
    padding-top: 80px;
}
/* 网格底纹 */
.hero::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}
/* 流光 */
.hero-glow {
    position: absolute; top: -50%; left: -10%; width: 60%; height: 200%;
    background: radial-gradient(ellipse at center, rgba(0,200,150,0.12) 0%, transparent 60%);
    animation: glow-move 8s ease-in-out infinite alternate;
}
@keyframes glow-move {
    0% { transform: translateX(-10%) rotate(-5deg); }
    100% { transform: translateX(30%) rotate(5deg); }
}
/* 粒子 */
.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
    position: absolute; bottom: -20px; width: 4px; height: 4px;
    background: rgba(255,255,255,0.4); border-radius: 50%;
    animation: particle-rise linear infinite;
}
.particle:nth-child(1)  { left: 5%;  animation-duration: 8s;  animation-delay: 0s;   }
.particle:nth-child(2)  { left: 12%; animation-duration: 10s; animation-delay: 1s;   width:6px; height:6px; }
.particle:nth-child(3)  { left: 20%; animation-duration: 7s;  animation-delay: 2s;   }
.particle:nth-child(4)  { left: 30%; animation-duration: 12s; animation-delay: 0.5s; width:3px; height:3px; }
.particle:nth-child(5)  { left: 40%; animation-duration: 9s;  animation-delay: 3s;   }
.particle:nth-child(6)  { left: 50%; animation-duration: 11s; animation-delay: 1.5s; width:5px; height:5px; }
.particle:nth-child(7)  { left: 60%; animation-duration: 8s;  animation-delay: 2.5s; }
.particle:nth-child(8)  { left: 70%; animation-duration: 10s; animation-delay: 4s;   width:3px; height:3px; }
.particle:nth-child(9)  { left: 78%; animation-duration: 7s;  animation-delay: 1s;   }
.particle:nth-child(10) { left: 85%; animation-duration: 12s; animation-delay: 3.5s; width:6px; height:6px; }
.particle:nth-child(11) { left: 90%; animation-duration: 9s;  animation-delay: 2s;   width:4px; height:4px; }
.particle:nth-child(12) { left: 95%; animation-duration: 11s; animation-delay: 0s;   }
@keyframes particle-rise {
    0%   { bottom: -20px; opacity: 0; transform: translateX(0); }
    10%  { opacity: 0.6; }
    90%  { opacity: 0.6; }
    100% { bottom: 110%; opacity: 0; transform: translateX(30px); }
}

/* 入场动画 */
.anim-in { animation: anim-fade-up 0.8s cubic-bezier(0.16,1,0.3,1) both; }
@keyframes anim-fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Hero布局 */
.hero-inner {
    position: relative; z-index: 2;
    max-width: 1200px; margin: 0 auto; padding: 60px 20px 80px;
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px;
    align-items: center; min-height: 520px;
}
.hero-left { color: #fff; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(0,200,150,0.15); border: 1px solid rgba(0,200,150,0.35);
    backdrop-filter: blur(10px);
    color: #5DEBC4; padding: 8px 18px; border-radius: 24px;
    font-size: 0.85rem; font-weight: 500; margin-bottom: 24px;
}
.hero-badge-dot {
    width: 8px; height: 8px; background: var(--color-accent);
    border-radius: 50%; box-shadow: 0 0 8px var(--color-accent);
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.3); } }

.hero h1 {
    font-size: 3.5rem; font-weight: 900; margin-bottom: 1.2rem; line-height: 1.15;
    letter-spacing: -1px;
}
.hero-city {
    display: block; font-size: 2.2rem; font-weight: 600;
    background: linear-gradient(90deg, #5DEBC4, #00C896);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 4px;
}
.hero-title-main { display: block; }

.hero-subtitle {
    font-size: 1.15rem; margin-bottom: 2rem; opacity: 0.85; font-weight: 300;
    display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
}
.hero-sep { color: rgba(0,200,150,0.6); margin: 0 4px; }
.hero-biz { white-space: nowrap; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-bottom: 2.5rem; }
.hero-tag {
    display: flex; align-items: center; gap: 6px; font-size: 0.95rem; opacity: 0.9;
}
.hero-tag .icon-svg { color: var(--color-accent); }

.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.hero .btn-outline { color: #fff; border-color: rgba(255,255,255,0.4); backdrop-filter: blur(10px); }
.hero .btn-outline:hover { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.7); }
.hero .btn-accent {
    box-shadow: 0 4px 20px rgba(0,200,150,0.4);
    animation: btn-glow 2.5s ease-in-out infinite;
}
@keyframes btn-glow {
    0%,100% { box-shadow: 0 4px 20px rgba(0,200,150,0.3); }
    50%     { box-shadow: 0 4px 30px rgba(0,200,150,0.6); }
}

/* 底部过渡 */
.hero-bottom-fade {
    position: absolute; bottom: 0; left: 0; right: 0; height: 80px;
    background: linear-gradient(to top, #fff 10%, transparent);
    z-index: 3;
}

/* ============================================
   首屏右侧：专业人员清洗油烟厨房 - 动画场景
   ============================================ */
.hero-right { display: flex; justify-content: center; align-items: center; }
.hero-kitchen-scene {
    position: relative; width: 380px; height: 440px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
/* 背景主图（AI生成） */
.ks-image {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    animation: ks-breath 6s ease-in-out infinite;
}
@keyframes ks-breath {
    0%,100% { transform: scale(1); }
    50%     { transform: scale(1.04); }
}
/* 渐变遮罩：融合深蓝背景 + 轻微暗角 */
.ks-overlay {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 30%, rgba(10,45,110,0.45) 100%),
        linear-gradient(135deg, rgba(26,92,184,0.15) 0%, rgba(0,200,150,0.08) 100%);
    pointer-events: none;
}
/* 蒸汽/烟雾上升 */
.ks-steam { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.steam {
    position: absolute; bottom: 20%;
    width: 40px; height: 40px;
    background: radial-gradient(circle, rgba(255,255,255,0.22), rgba(255,255,255,0));
    border-radius: 50%;
    filter: blur(6px);
    animation: steam-rise linear infinite;
}
.steam.s1 { left: 20%; animation-duration: 5s; animation-delay: 0s;   width: 36px; height: 36px; }
.steam.s2 { left: 40%; animation-duration: 6s; animation-delay: 1s;   width: 50px; height: 50px; }
.steam.s3 { left: 60%; animation-duration: 4.5s; animation-delay: 2s; width: 44px; height: 44px; }
.steam.s4 { left: 75%; animation-duration: 5.5s; animation-delay: 0.5s; width: 30px; height: 30px; }
.steam.s5 { left: 30%; animation-duration: 6.5s; animation-delay: 3s;   width: 38px; height: 38px; }
@keyframes steam-rise {
    0%   { bottom: 15%; opacity: 0; transform: translateX(0) scale(0.5); }
    20%  { opacity: 0.7; }
    100% { bottom: 85%; opacity: 0; transform: translateX(30px) scale(1.8); }
}
/* 飞溅水滴 */
.ks-splash { position: absolute; inset: 0; pointer-events: none; }
.splash {
    position: absolute; width: 6px; height: 6px;
    background: radial-gradient(circle, rgba(93,235,196,0.9), rgba(0,200,150,0.3));
    border-radius: 50%;
    box-shadow: 0 0 4px rgba(93,235,196,0.5);
    animation: splash-fly 2.2s ease-in-out infinite;
}
.splash.p1 { top: 35%; left: 45%; animation-delay: 0s;   }
.splash.p2 { top: 42%; left: 55%; animation-delay: 0.3s; }
.splash.p3 { top: 50%; left: 38%; animation-delay: 0.6s; }
.splash.p4 { top: 38%; left: 62%; animation-delay: 0.9s; }
.splash.p5 { top: 46%; left: 50%; animation-delay: 1.2s; }
.splash.p6 { top: 55%; left: 48%; animation-delay: 1.5s; }
@keyframes splash-fly {
    0%   { transform: translate(0,0) scale(0.3); opacity: 0; }
    20%  { opacity: 1; }
    60%  { opacity: 0.8; }
    100% { transform: translate(var(--dx,30px), var(--dy,-40px)) scale(1); opacity: 0; }
}
.splash.p1 { --dx: -35px; --dy: -45px; }
.splash.p2 { --dx:  40px; --dy: -35px; }
.splash.p3 { --dx: -45px; --dy:  25px; }
.splash.p4 { --dx:  50px; --dy: -50px; }
.splash.p5 { --dx: -20px; --dy: -55px; }
.splash.p6 { --dx:  30px; --dy:  35px; }
/* 高压水枪清洁光束（横向扫描） */
.ks-clean-beam {
    position: absolute; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(93,235,196,0.3) 15%,
        rgba(255,255,255,0.85) 50%,
        rgba(93,235,196,0.3) 85%,
        transparent 100%);
    box-shadow: 0 0 16px rgba(93,235,196,0.6), 0 0 40px rgba(93,235,196,0.3);
    animation: beam-sweep 4s ease-in-out infinite;
}
@keyframes beam-sweep {
    0%   { top: 10%; opacity: 0; }
    10%  { opacity: 1; }
    45%  { top: 65%; opacity: 1; }
    55%  { top: 65%; opacity: 0.8; }
    90%  { opacity: 1; }
    100% { top: 10%; opacity: 0; }
}
/* 闪光亮点 */
.ks-sparkles { position: absolute; inset: 0; pointer-events: none; }
.ks-sparkles span {
    position: absolute;
    color: rgba(93,235,196,0.85);
    font-size: 12px;
    animation: ks-sparkle 2.5s ease-in-out infinite;
}
.ks-sparkles span:nth-child(1) { top: 25%; left: 22%; animation-delay: 0s;   font-size: 14px; }
.ks-sparkles span:nth-child(2) { top: 55%; right: 18%; animation-delay: 0.6s; }
.ks-sparkles span:nth-child(3) { bottom: 30%; left: 35%; animation-delay: 1.2s; font-size: 10px; }
.ks-sparkles span:nth-child(4) { top: 40%; right: 30%; animation-delay: 1.8s; font-size: 12px; }
@keyframes ks-sparkle {
    0%,100% { opacity: 0; transform: scale(0.4) rotate(0deg); }
    50%     { opacity: 1; transform: scale(1.3) rotate(180deg); }
}

/* ============================================
   服务范围 - 图片卡片
   ============================================ */
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
    background: #fff; border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition);
    position: relative; display: block; text-decoration: none; color: inherit;
}
.service-card:hover {
    box-shadow: var(--shadow-lg); transform: translateY(-6px);
}
.service-card-img {
    width: 100%; height: 100%; object-fit: cover;
    transition: var(--transition);
}
.service-card:hover .service-card-img { transform: scale(1.05); }
.service-card-img-wrap {
    position: relative; overflow: hidden;
    aspect-ratio: 4 / 3;
}
.service-card-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(15,25,60,0.85) 0%, rgba(15,25,60,0.5) 45%, rgba(15,25,60,0.15) 75%, transparent 100%);
    transition: var(--transition);
}
.service-card:hover .service-card-overlay {
    background: linear-gradient(to top, rgba(15,25,60,0.92) 0%, rgba(26,92,184,0.6) 50%, rgba(26,92,184,0.2) 80%, transparent 100%);
}
.service-card-body {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 28px 24px 24px;
    z-index: 2; color: #fff;
}
.service-card h3 {
    font-size: 1.15rem; font-weight: 700; margin-bottom: 8px;
    color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.service-card p {
    font-size: 0.88rem; color: rgba(255,255,255,0.9);
    margin-bottom: 12px; line-height: 1.55;
    text-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.service-card-link {
    font-size: 0.88rem; font-weight: 600; color: #5DEBC4;
    display: inline-flex; align-items: center; gap: 4px;
    transition: var(--transition);
}
.service-card:hover .service-card-link { gap: 8px; color: #fff; }
.service-card-tag {
    position: absolute; top: 12px; right: 12px;
    background: var(--color-accent); color: #fff; font-size: 0.75rem;
    padding: 3px 10px; border-radius: 12px; font-weight: 500; z-index: 1;
}

/* ============================================
   核心优势
   ============================================ */
.advantages-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.advantage-card {
    text-align: center; padding: 0 0 28px; border-radius: var(--radius-md);
    transition: var(--transition); background: #fff; overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.advantage-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.advantage-img {
    width: 100%; height: 200px; overflow: hidden; margin-bottom: 20px;
}
.advantage-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s ease;
}
.advantage-card:hover .advantage-img img { transform: scale(1.08); }
.advantage-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; padding: 0 20px; }
.advantage-card p { font-size: 0.9rem; color: var(--color-text-light); padding: 0 20px; }

/* ============================================
   数据背书
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, #0F3D8E 0%, #1A5CB8 100%); padding: 60px 0;
}
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center;
}
.stat-item { color: #fff; }
.stat-number {
    font-size: 2.8rem; font-weight: 800; margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, var(--color-accent-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 1rem; opacity: 0.9; }

/* ============================================
   服务流程
   ============================================ */
.process-grid {
    display: flex; justify-content: space-between; gap: 20px; position: relative;
}
.process-grid::before {
    content: ''; position: absolute; top: 30px; left: 5%; right: 5%;
    height: 2px; background: var(--color-border); z-index: 0;
}
.process-item { flex: 1; text-align: center; position: relative; z-index: 1; }
.process-number {
    width: 60px; height: 60px; margin: 0 auto 16px;
    background: #fff; border: 3px solid var(--color-primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; font-weight: 700; color: var(--color-primary);
    transition: var(--transition);
}
.process-item:hover .process-number { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-md); }
.process-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.process-item p { font-size: 0.85rem; color: var(--color-text-light); }

/* ============================================
   资质展示 - 占位模式
   ============================================ */
.credentials-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.credential-item {
    background: #fff; border: 2px solid var(--color-border); border-radius: var(--radius-md);
    padding: 14px 12px; text-align: center; transition: var(--transition);
}
.credential-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.credential-img-wrap {
    width: 100%; aspect-ratio: 934 / 705; overflow: hidden;
    border-radius: var(--radius-sm); border: 1px solid var(--color-border);
    margin-bottom: 10px; background: var(--color-bg-alt);
}
.credential-img {
    width: 100%; height: 100%; object-fit: contain; display: block;
    transition: var(--transition);
}
.credential-item:hover .credential-img { transform: scale(1.03); }
.credential-item p { font-size: 0.9rem; font-weight: 500; }

/* ============================================
   客户评价 - 滚动
   ============================================ */
.testimonials-scroll {
    overflow: hidden; position: relative; padding: 20px 0;
}
.testimonials-scroll::before, .testimonials-scroll::after {
    content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2;
}
.testimonials-scroll::before { left: 0; background: linear-gradient(to right, var(--color-bg-alt), transparent); }
.testimonials-scroll::after { right: 0; background: linear-gradient(to left, var(--color-bg-alt), transparent); }
.testimonials-track {
    display: flex; gap: 24px; animation: scroll-testimonials 40s linear infinite;
    width: max-content;
}
.testimonials-track:hover { animation-play-state: paused; }
@keyframes scroll-testimonials {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.testimonial-card {
    background: #fff; border-radius: var(--radius-md); padding: 28px;
    box-shadow: var(--shadow-sm); position: relative; min-width: 360px; max-width: 360px;
}
.testimonial-card::before {
    content: '"'; position: absolute; top: 8px; right: 20px;
    font-size: 4rem; color: var(--color-border); font-family: Georgia, serif; line-height: 1;
}
.testimonial-content { font-size: 0.93rem; color: var(--color-text); margin-bottom: 20px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 1rem; font-weight: 600;
}
.testimonial-info h4 { font-size: 0.95rem; font-weight: 600; }
.testimonial-info p { font-size: 0.85rem; color: var(--color-text-light); }

/* ============================================
   客户案例模块
   ============================================ */
.cases-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.case-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
    overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm);
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--color-primary-light); }
.case-img {
    position: relative; width: 100%; height: 200px; overflow: hidden; background: var(--color-bg-alt);
}
.case-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: var(--transition);
}
.case-card:hover .case-img img { transform: scale(1.06); }
.case-tag {
    position: absolute; top: 10px; left: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff; font-size: 0.72rem; font-weight: 600;
    padding: 3px 10px; border-radius: 12px;
    box-shadow: var(--shadow-sm);
}
.case-body { padding: 14px 16px; }
.case-client {
    font-size: 1rem; font-weight: 700; color: var(--color-text);
    margin: 0 0 8px; line-height: 1.4;
}
.case-meta { display: flex; flex-direction: column; gap: 4px; }
.case-industry {
    font-size: 0.8rem; color: var(--color-text-light);
}
.case-service {
    font-size: 0.82rem; color: var(--color-primary); font-weight: 500;
}

/* ============================================
   文章模块
   ============================================ */
.articles-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.article-card {
    display: block; text-decoration: none; color: inherit;
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
    overflow: hidden; transition: var(--transition);
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.article-cover {
    width: 100%; height: 180px; background: var(--color-bg-alt); display: flex;
    align-items: center; justify-content: center; color: var(--color-text-light);
    font-size: 0.85rem; overflow: hidden; text-decoration: none;
}
.article-cover:hover img { transform: scale(1.03); }
.article-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.article-body { padding: 20px 24px; }
.article-category {
    display: inline-block; font-size: 0.78rem; color: var(--color-primary);
    background: #E8F0FB; padding: 3px 10px; border-radius: var(--radius-sm); margin-bottom: 10px;
}
.article-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; line-height: 1.5; }
.article-card h3 a { color: var(--color-text); }
.article-card h3 a:hover { color: var(--color-primary); }
.article-meta { font-size: 0.85rem; color: var(--color-text-light); }

/* ============================================
   CTA
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, #0F3D8E 0%, #1A5CB8 100%); padding: 70px 0;
    text-align: center; color: #fff; position: relative; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px;
    border: 1px solid rgba(255,255,255,0.06); border-radius: 50%;
}
.cta-section::after {
    content: ''; position: absolute; bottom: -30%; left: -5%; width: 300px; height: 300px;
    border: 1px solid rgba(0,200,150,0.08); border-radius: 50%;
}
.cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 1rem; position: relative; z-index: 1; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 2rem; position: relative; z-index: 1; }
.cta-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ============================================
   页脚
   ============================================ */
.footer { background: #0d1117; color: #8b949e; padding: 60px 0 20px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-logo-wrap { display: flex; flex-direction: column; align-items: flex-start; margin-bottom: 16px; }
.footer-logo { height: 44px; display: block; }
.footer-company-name { color: #fff; font-size: 1.05rem; font-weight: 600; margin-top: 12px; letter-spacing: 0.5px; }
.footer-desc { font-size: 0.9rem; line-height: 1.7; margin-bottom: 16px; color: #8b949e; }
.footer-contact-item { font-size: 0.9rem; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact-item svg { flex-shrink: 0; }
.footer-contact-item a { color: #fff; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
.footer-col li { margin-bottom: 10px; }
.footer-col li a { color: #8b949e; font-size: 0.9rem; text-decoration: none; transition: color 0.2s; }
.footer-col li a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px;
    text-align: center; font-size: 0.85rem;
}
.footer-bottom-inner {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: #8b949e; margin: 0 8px; }

/* ============================================
   右侧浮动按钮组（统一蓝色整块状）
   ============================================ */
.float-bar {
    position: fixed; right: 20px; bottom: 80px; z-index: 999;
    display: flex; flex-direction: column;
    background: var(--color-primary);
    border-radius: 14px;
    padding: 6px 0;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.float-bar-btn {
    width: 64px; min-height: 64px; cursor: pointer;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    font-size: 0.7rem; gap: 3px;
    transition: var(--transition);
    border: none;
    background: transparent;
    color: #fff;
    text-decoration: none;
    position: relative;
    padding: 10px 0;
}
.float-bar-btn + .float-bar-btn::before {
    content: ''; position: absolute; top: 0; left: 14px; right: 14px;
    height: 1px; background: rgba(255,255,255,0.18);
}
.float-bar-btn:hover { background: var(--color-primary-dark); }
.float-bar-btn .icon {
    font-size: 1.35rem;
    display: flex; align-items: center; justify-content: center;
    line-height: 1;
}
.float-bar-btn .icon .icon-svg { width: 1.35em; height: 1.35em; }
.float-bar-btn .label { font-weight: 500; letter-spacing: 0.5px; }

/* ============================================
   AI报价弹窗
   ============================================ */
.modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 2000; align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
    background: #fff; border-radius: var(--radius-lg); width: 90%; max-width: 720px;
    max-height: 90vh; overflow-y: auto;
}
.modal-header {
    padding: 16px 24px; border-bottom: 1px solid var(--color-border);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-primary); }
.modal-close {
    font-size: 1.5rem; cursor: pointer; color: var(--color-text-light); background: none; border: none; line-height: 1;
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm);
    transition: var(--transition);
}
.modal-close:hover { background: var(--color-bg-alt); color: var(--color-text); }
.modal-body { padding: 20px 24px; }
.modal-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.modal-tab {
    flex: 1; padding: 10px 8px; text-align: center; border: 2px solid var(--color-border);
    border-radius: var(--radius-sm); cursor: pointer; font-size: 0.9rem; font-weight: 500;
    transition: var(--transition);
}
.modal-tab.active { border-color: var(--color-primary); background: #E8F0FB; color: var(--color-primary); }
.modal-tab-content { display: none; }
.modal-tab-content.active { display: block; }

/* ===== AI智能报价弹窗（科技感） ===== */
.modal-quote {
    max-width: 520px; border: none; overflow: hidden;
    box-shadow: 0 24px 70px rgba(10,45,110,0.4), 0 0 0 1px rgba(26,92,184,0.12);
}
.modal-quote .modal-header {
    background: linear-gradient(135deg, #0A2D6E 0%, #14469B 50%, #1A5CB8 100%);
    color: #fff; border-bottom: none; position: relative; padding: 18px 24px; overflow: hidden;
}
.modal-quote .modal-header::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 22px 22px;
}
.modal-quote .modal-header::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}
.modal-quote-title { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
.modal-quote-icon {
    width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    box-shadow: 0 0 18px rgba(0,200,150,0.55); color: #fff;
}
.modal-quote .modal-header h3 { color: #fff; font-size: 1.1rem; margin: 0; line-height: 1.2; }
.modal-quote .modal-header small { color: rgba(255,255,255,0.72); font-size: 0.75rem; }
.modal-quote .modal-close { color: rgba(255,255,255,0.85); position: relative; z-index: 1; }
.modal-quote .modal-close:hover { background: rgba(255,255,255,0.18); color: #fff; }
.modal-quote .modal-body { padding: 20px 24px; background: linear-gradient(180deg, #F6FAFF 0%, #fff 35%); }
.modal-quote .form-group label { color: var(--color-text); font-weight: 600; }
.modal-quote .form-group select,
.modal-quote .form-group input {
    border-color: #D6E2F2; background: #fff;
}
.modal-quote .form-group select:focus,
.modal-quote .form-group input:focus {
    border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(0,200,150,0.16);
}
.modal-quote-submit {
    background: linear-gradient(135deg, var(--color-accent) 0%, #00B886 100%) !important;
    box-shadow: 0 6px 22px rgba(0,200,150,0.38);
    padding: 12px !important; font-size: 1rem !important;
    position: relative; overflow: hidden;
}
.modal-quote-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,200,150,0.5); }
.modal-quote-submit::before {
    content: ''; position: absolute; top: 0; left: -60%; width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
    animation: quote-btn-shine 3.2s ease-in-out infinite;
}
@keyframes quote-btn-shine { 0% { left: -60%; } 55% { left: 100%; } 100% { left: 100%; } }
.quote-params-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px;
}
.quote-params-grid .form-group { margin-bottom: 10px; }
.quote-params-grid .form-group.full-width { grid-column: 1 / -1; }
.quote-params-grid .number-input-wrap input { font-size: 0.88rem; }
.quote-params-grid .check-option { padding: 6px 10px; font-size: 0.82rem; }
@media (max-width: 360px) {
    .quote-params-grid { grid-template-columns: 1fr; }
}
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 4px; }
.form-group select, .form-group input, .form-group textarea {
    width: 100%; padding: 8px 12px; border: 1px solid var(--color-border);
    border-radius: var(--radius-sm); font-size: 0.9rem; font-family: inherit; transition: var(--transition);
}
.form-group select:focus, .form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(26,92,184,0.1);
}
.form-error {
    display: block; font-size: 0.82rem; color: #E55; margin-top: 4px;
}
.quote-result {
    background: var(--color-bg-alt); border-radius: var(--radius-md); padding: 20px;
    margin-top: 16px; text-align: center;
}
.quote-price { font-size: 1.8rem; font-weight: 700; color: var(--color-primary); }
.quote-range { font-size: 0.9rem; color: var(--color-text-light); margin-top: 4px; }
.quote-tip {
    font-size: 0.72rem; color: var(--color-text-light);
    margin-top: 10px !important; line-height: 1.5; text-align: center;
}

/* 电话弹窗号码 */
.phone-modal-number {
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem; font-weight: 700; color: var(--color-primary);
    padding: 14px 24px; border: 2px solid var(--color-primary); border-radius: var(--radius-md);
    text-decoration: none; transition: var(--transition);
    white-space: nowrap; max-width: 100%;
}
.phone-modal-number:hover { background: var(--color-primary); color: #fff; }

/* 微信二维码 */
.wechat-qrcode-wrap {
    width: 200px; height: 200px; margin: 0 auto 20px;
    border-radius: var(--radius-md); overflow: hidden; position: relative;
    background: var(--color-bg-alt);
}
.wechat-qrcode { width: 100%; height: 100%; object-fit: cover; display: block; }
.wechat-qrcode-wrap.qrcode-placeholder .qrcode-fallback {
    display: flex;
}
.qrcode-fallback {
    display: none; position: absolute; inset: 0;
    align-items: center; justify-content: center;
    color: var(--color-text-light); font-size: 0.85rem; text-align: center;
    border: 2px dashed var(--color-border); border-radius: var(--radius-md);
    background: var(--color-bg-alt);
}

/* 附加费勾选 */
.surcharge-list { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.surcharge-item {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.88rem; color: var(--color-text); cursor: pointer;
    background: var(--color-bg-alt); padding: 6px 12px; border-radius: 20px;
    border: 1px solid var(--color-border); transition: var(--transition);
}
.surcharge-item:hover { border-color: var(--color-primary); color: var(--color-primary); }
.surcharge-item input { width: auto; margin: 0; cursor: pointer; }

/* 报价明细 */
.quote-detail { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--color-border); text-align: left; }
.quote-detail-title { font-size: 0.82rem; font-weight: 600; color: var(--color-text-light); margin-bottom: 8px; }
.quote-detail-row {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.85rem; padding: 4px 0; color: var(--color-text);
}
.quote-detail-row b { color: var(--color-primary); font-weight: 600; }
.contact-methods { text-align: center; }
.contact-method-item {
    display: flex; align-items: center; gap: 12px; padding: 16px;
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    margin-bottom: 12px; transition: var(--transition);
}
.contact-method-item:hover { border-color: var(--color-primary); background: var(--color-bg-alt); }
.contact-method-icon { font-size: 1.5rem; }
.contact-method-info h4 { font-size: 0.9rem; color: var(--color-text-light); }
.contact-method-info p { font-size: 1.1rem; font-weight: 600; color: var(--color-primary); }

/* ============================================
   移动端菜单抽屉
   ============================================ */
.mobile-menu-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    z-index: 1500; opacity: 0; transition: opacity 0.3s;
}
.mobile-menu-overlay.open { display: block; opacity: 1; }
.mobile-menu {
    position: fixed; top: 0; right: -280px; width: 280px; height: 100%;
    background: #fff; z-index: 1501; overflow-y: auto;
    transition: right 0.3s ease; box-shadow: -4px 0 20px rgba(0,0,0,0.15);
}
.mobile-menu.open { right: 0; }
.mobile-menu-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--color-border);
}
.mobile-menu-logo { height: 40px; }
.mobile-menu-close {
    font-size: 1.8rem; cursor: pointer; color: var(--color-text-light);
    background: none; border: none; line-height: 1; padding: 0;
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); transition: var(--transition);
}
.mobile-menu-close:hover { background: var(--color-bg-alt); color: var(--color-text); }
.mobile-menu-nav { padding: 10px 0; }
.mobile-menu-nav > a, .mobile-menu-group > a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; font-size: 1rem; font-weight: 500; color: var(--color-text);
    text-decoration: none; border-bottom: 1px solid var(--color-bg-alt);
}
.mobile-menu-nav > a:active, .mobile-menu-group > a:active { background: var(--color-bg-alt); }
.mobile-arrow { font-size: 0.8rem; transition: transform 0.2s; display: inline-block; }
.mobile-submenu { display: none; background: var(--color-bg-alt); }
.mobile-submenu a {
    display: block; padding: 12px 36px; font-size: 0.9rem; color: var(--color-text-light);
    text-decoration: none; border-bottom: 1px solid rgba(0,0,0,0.04);
}
.mobile-submenu a:active { color: var(--color-primary); }
.mobile-menu-call {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    margin: 20px; padding: 14px; border-radius: var(--radius-md);
    background: var(--color-primary); color: #fff; font-size: 1.1rem; font-weight: 700;
    text-decoration: none;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 992px) {
    .services-grid, .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid, .stats-grid, .credentials-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
    .footer-brand { grid-column: 1 / -1; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-right { display: none; }
    .footer-cta-inner { flex-direction: column; text-align: center; }
    .footer-cta-right { justify-content: center; }
}
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .nav-toggle { display: flex; }
    .header-actions { display: none; }
    .header-inner { height: 60px; padding: 0 16px; }
    .logo img { height: 44px; }

    .hero { min-height: 520px; padding-top: 60px; }
    .hero h1 { font-size: 1.7rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-badge { font-size: 0.78rem; padding: 5px 12px; }
    .hero-tags { gap: 8px; flex-wrap: wrap; }
    .hero-tag { font-size: 0.78rem; padding: 4px 10px; }
    .hero-buttons { flex-direction: column; gap: 10px; }
    .hero-buttons .btn { width: 100%; }
    .hero-left { padding: 20px 0; }

    .container { padding: 0 16px; }
    .section { padding: 40px 0; }
    .section-title { font-size: 1.4rem; }
    .section-subtitle { font-size: 0.9rem; margin-bottom: 1.5rem; }

    .services-grid, .articles-grid, .advantages-grid, .stats-grid { grid-template-columns: 1fr; }
    .service-card-img-wrap { aspect-ratio: 16 / 10; }
    .service-card-body { padding: 20px 18px 16px; }
    .service-card h3 { font-size: 1rem; margin-bottom: 6px; }
    .service-card p { font-size: 0.82rem; margin-bottom: 8px; line-height: 1.5; }
    .service-card-link { font-size: 0.82rem; }
    .cases-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .case-img { height: 130px; }
    .case-body { padding: 10px 12px; }
    .case-client { font-size: 0.88rem; margin-bottom: 4px; }
    .case-industry { font-size: 0.72rem; }
    .case-service { font-size: 0.74rem; }
    .credentials-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-number { font-size: 1.8rem; }
    .process-grid {
        flex-direction: column; gap: 10px;
        overflow: visible; padding: 0;
        -webkit-mask-image: none; mask-image: none;
    }
    .process-grid::before { display: none; }
    .process-item {
        display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; row-gap: 4px;
        width: 100%; padding: 12px 16px;
        text-align: left;
        background: #fff; border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border-left: 3px solid var(--color-primary);
    }
    .process-number { grid-row: 1 / 3; grid-column: 1; align-self: center; width: 40px; height: 40px; font-size: 1rem; margin: 0; border-width: 2px; }
    .process-item h3 { grid-column: 2; grid-row: 1; font-size: 0.92rem; margin: 0; white-space: normal; overflow: visible; text-overflow: clip; }
    .process-item p { grid-column: 2; grid-row: 2; font-size: 0.78rem; line-height: 1.45; display: block; -webkit-line-clamp: unset; -webkit-box-orient: unset; overflow: visible; margin: 0; }

    .cta-section { padding: 40px 20px; }
    .cta-section h2 { font-size: 1.4rem; }
    .cta-section p { font-size: 0.95rem; }
    .cta-buttons { flex-direction: column; gap: 10px; }
    .cta-buttons .btn { width: 100%; }

    .footer-cta { padding: 32px 0; }
    .footer-cta-left h2 { font-size: 1.3rem; }
    .footer-cta-left p { font-size: 0.85rem; }
    .footer-cta-right { width: 100%; flex-direction: column; gap: 10px; }
    .footer-cta-right .btn { width: 100%; }

    .footer { padding: 40px 0 calc(64px + env(safe-area-inset-bottom)); }
    .footer-inner { grid-template-columns: 1fr; gap: 0; }
    .footer-links { display: none; }
    .footer-brand { grid-column: auto; text-align: center; }
    .footer-logo-wrap { align-items: center; }
    .footer-desc { max-width: 320px; margin-left: auto; margin-right: auto; }
    .footer-contact { display: flex; flex-direction: column; align-items: center; }
    .footer-bottom { font-size: 0.78rem; padding: 16px 0; }
    .footer-bottom-inner { flex-direction: column; gap: 6px; text-align: center; }

    .testimonial-card { min-width: 280px; }
    .testimonials-scroll { padding: 0 10px; }

    .float-bar {
        top: auto; right: 0; bottom: 0; left: 0;
        flex-direction: row;
        border-radius: 0;
        padding: 0;
        padding-bottom: env(safe-area-inset-bottom);
        box-shadow: 0 -4px 20px rgba(26,92,184,0.18);
    }
    .float-bar-btn { flex: 1; width: auto; min-height: 52px; padding: 8px 0; font-size: 0.72rem; }
    .float-bar-btn .icon { font-size: 1.15rem; }
    .float-bar-btn .icon .icon-svg { width: 1.15em; height: 1.15em; }
    .float-bar-btn + .float-bar-btn::before {
        top: 50%; left: 0; right: auto; width: 1px; height: 24px;
        transform: translateY(-50%);
    }

    .modal { width: 94%; max-width: none; border-radius: 12px; max-height: 96vh; }
    .modal-header { padding: 10px 16px; }
    .modal-header h3 { font-size: 0.95rem; }
    .modal-body { padding: 12px 14px; }
    .modal-quote .modal-header { padding: 14px 18px; }
    .modal-quote .modal-body { padding: 16px 18px; }
    .modal-quote-icon { width: 36px; height: 36px; }
    .modal-quote .modal-header h3 { font-size: 1rem; }
    .modal-tabs { gap: 6px; margin-bottom: 10px; }
    .modal-tab { padding: 7px 4px; font-size: 0.82rem; border-width: 1.5px; }
    .form-group { margin-bottom: 8px; }
    .form-group label { font-size: 0.82rem; margin-bottom: 2px; }
    .form-group select, .form-group input, .form-group textarea { padding: 7px 10px; font-size: 0.92rem; }
    .quote-params-grid .form-group { margin-bottom: 8px; }
    .quote-params-grid { gap: 0 10px; }
    .quote-params-grid .check-option { padding: 4px 8px; font-size: 0.78rem; }
    .quote-price { font-size: 1.5rem; }
    .phone-modal-number { font-size: 1.2rem; padding: 10px 16px; white-space: nowrap; }
    .wechat-qrcode-wrap { width: 140px; height: 140px; }
    .quote-tip { font-size: 0.72rem; margin-top: 8px !important; }

    .surcharge-list { gap: 6px 10px; }
    .surcharge-item { font-size: 0.82rem; padding: 5px 10px; }

    /* 资讯页两栏改单栏 */
    .page-main-inner,
    .page-main-inner--detail {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    .page-sidebar { order: 2 !important; position: static !important; top: auto; }
    .page-content { order: 1 !important; }
    .page-main { padding-top: 28px; padding-bottom: 40px; }
    .sidebar-card { padding: 16px; }
    .sidebar-cta { padding: 20px 16px; }
    .sidebar-cta .btn-block + .btn-block { margin-top: 10px; }

    /* 详情页 */
    .detail-cover { border-radius: 10px; }
    .detail-service-card { grid-template-columns: 1fr !important; }
    .detail-service-img img { min-height: 180px !important; height: 200px !important; object-fit: cover; }
    .detail-nav { flex-direction: column; gap: 12px !important; }
    .detail-related-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 14px !important; }
    .page-banner { padding-top: 60px; }
    .page-banner-inner { padding: 32px 16px 20px !important; }
    .page-banner-inner-sm { padding: 16px 16px 12px !important; }
    .page-h1 { font-size: 1.4rem !important; }
    .page-h1-sub { font-size: 0.85rem !important; }
    .page-stats { gap: 16px !important; }
    .page-stat-item strong { font-size: 1.1rem !important; }
    .page-stat-item span { font-size: 0.72rem !important; }

    /* 详情页各模块收紧内边距 */
    .detail-article { border-radius: 12px; }
    .detail-header { padding: 24px 20px 0 !important; margin-bottom: 20px !important; }
    .detail-title { font-size: 1.3rem !important; margin: 8px 0 14px !important; }
    .detail-meta { gap: 12px !important; padding-bottom: 18px !important; font-size: 0.8rem !important; }
    .detail-cover { margin: 0 20px 24px !important; }
    .detail-content { padding: 0 20px 28px !important; font-size: 0.92rem !important; line-height: 1.8 !important; }
    .detail-h2 { font-size: 1.12rem !important; margin: 28px 0 14px !important; padding-left: 12px !important; border-left-width: 3px !important; }
    .detail-h3 { font-size: 1rem !important; margin: 20px 0 10px !important; }
    .detail-p { margin-bottom: 14px !important; }
    .detail-ul, .detail-ol { margin-bottom: 14px !important; }
    .detail-ul li { padding: 5px 0 5px 24px !important; }
    .detail-ol li { padding: 5px 0 5px 30px !important; }
    .detail-quote { padding: 16px 18px 16px 48px !important; margin: 18px 0 !important; }
    .detail-quote-mark { left: 14px !important; top: 16px !important; }
    .detail-quote p { font-size: 0.9rem !important; line-height: 1.65 !important; }
    .detail-keywords { margin: 0 20px 18px !important; padding: 12px 14px !important; gap: 8px !important; }
    .detail-keyword { font-size: 0.78rem !important; padding: 3px 10px !important; }
    .detail-service-card { margin: 0 20px 24px !important; }
    .detail-service-body { padding: 18px 20px !important; }
    .detail-service-body h3 { font-size: 1.1rem !important; }
    .detail-service-body p { font-size: 0.88rem !important; margin-bottom: 10px !important; }
    .detail-service-btns { gap: 10px !important; }
    .detail-service-btns .btn { padding: 8px 16px !important; font-size: 0.85rem !important; }
    .detail-nav { margin: 0 20px 24px !important; gap: 10px !important; }
    .detail-nav-link { padding: 12px 14px !important; }
    .detail-nav-label { font-size: 0.75rem !important; }
    .detail-nav-title { font-size: 0.88rem !important; }
    .detail-related { padding: 22px 20px 28px !important; }
    .detail-related-title { font-size: 1.08rem !important; margin-bottom: 14px !important; padding-left: 10px !important; border-left-width: 3px !important; }

    /* 文章卡片：grid 单列，图片在上文字在下（列表页 + 相关推荐） */
    .article-list .article-card {
        display: grid !important;
        grid-template-columns: 1fr !important;
        grid-template-rows: auto auto;
    }
    .article-list .article-card-img {
        width: 100% !important;
        height: 180px !important;
        grid-row: 1;
    }
    .article-list .article-card-img img { min-height: 180px !important; height: 100% !important; }
    .article-list .article-card-body {
        padding: 14px 16px 16px !important;
        grid-row: 2;
    }
    .article-list .article-card-title { font-size: 1rem !important; }
    .article-list .article-card-desc { font-size: 0.85rem !important; -webkit-line-clamp: 3 !important; }
    .article-list .article-card-meta { font-size: 0.78rem !important; gap: 12px !important; }

    .article-card-related { gap: 0 !important; }
    .article-card-related .article-card-img { aspect-ratio: 16 / 10 !important; height: auto !important; }
    .article-card-related .article-card-body { padding: 10px 12px 12px !important; }
    .article-card-related .article-card-title { font-size: 0.88rem !important; line-height: 1.45 !important; }
    .article-card-related .article-card-meta { font-size: 0.75rem !important; gap: 10px !important; }

    .content-filter { flex-direction: column; gap: 8px; align-items: flex-start; padding: 12px 14px !important; }
    .pagination { flex-wrap: wrap; justify-content: center; gap: 6px !important; }
    .pagination-item { min-width: 34px; height: 34px; padding: 0 10px; font-size: 0.85rem; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 1.5rem; }
    .hero-badge { font-size: 0.72rem; }
    .hero-subtitle { font-size: 0.88rem; }
    .section-title { font-size: 1.25rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-number { font-size: 1.5rem; }
    .btn-lg { padding: 12px 24px; font-size: 1rem; }
    .credentials-grid { grid-template-columns: 1fr; gap: 12px; }
    .service-card-img-wrap { aspect-ratio: 16 / 11; }
    .service-card-body { padding: 16px 14px 14px; }
    .service-card h3 { font-size: 0.92rem; margin-bottom: 4px; }
    .service-card p { font-size: 0.76rem; margin-bottom: 6px; line-height: 1.45; }
    .service-card-link { font-size: 0.76rem; gap: 3px; }
    .mobile-menu { width: 100%; right: -100%; }
    .process-item { padding: 10px 14px; }
    .process-number { width: 36px; height: 36px; font-size: 0.9rem; }
    .process-item h3 { font-size: 0.85rem; }
    .process-item p { font-size: 0.72rem; }

    /* AI报价弹窗紧凑模式 */
    .modal { width: 96%; border-radius: 10px; }
    .modal-header { padding: 8px 12px; }
    .modal-header h3 { font-size: 0.88rem; }
    .modal-close { width: 40px; height: 40px; font-size: 1.3rem; }
    .modal-body { padding: 10px 12px; }
    .modal-quote .modal-header { padding: 12px 14px; }
    .modal-quote .modal-body { padding: 14px; }
    .modal-quote-icon { width: 34px; height: 34px; }
    .modal-quote .modal-header h3 { font-size: 0.95rem; }
    .modal-quote .modal-header small { font-size: 0.7rem; }
    .modal-tabs { gap: 4px; margin-bottom: 8px; }
    .modal-tab { padding: 6px 3px; font-size: 0.8rem; }
    .form-group { margin-bottom: 6px; }
    .form-group label { font-size: 0.78rem; margin-bottom: 1px; }
    .form-group select, .form-group input, .form-group textarea { padding: 6px 8px; font-size: 0.88rem; }
    .quote-params-grid { gap: 0 8px; }
    .quote-params-grid .form-group { margin-bottom: 6px; }
    .quote-params-grid .check-option { padding: 4px 8px; font-size: 0.78rem; }
    .quote-tip { font-size: 0.72rem; margin-top: 6px !important; line-height: 1.4; }
    .btn-block { padding: 8px !important; font-size: 0.9rem !important; }

    /* 知识页列表页 + 详情页 - 480px 超小屏紧凑化 */
    .container { padding: 0 12px !important; }
    .page-main-inner,
    .page-main-inner--detail { gap: 16px !important; }
    .page-main { padding-top: 24px; padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
    .page-banner-inner { padding: 28px 12px 18px !important; }
    .page-banner-inner-sm { padding: 12px 12px 10px !important; }
    .page-h1 { font-size: 1.28rem !important; }
    .page-h1-sub { font-size: 0.82rem !important; }
    .page-stats { gap: 14px !important; }
    .page-stat-item strong { font-size: 1.05rem !important; }
    .page-stat-item span { font-size: 0.7rem !important; }

    .content-filter { padding: 10px 12px !important; }
    .content-filter-total { font-size: 0.85rem !important; }

    .article-list { gap: 14px !important; }
    .article-list .article-card-img { height: 160px !important; }
    .article-list .article-card-img img { min-height: 160px !important; }
    .article-list .article-card-body { padding: 12px 14px 14px !important; }
    .article-list .article-card-title { font-size: 0.95rem !important; }
    .article-list .article-card-desc { font-size: 0.82rem !important; }
    .article-list .article-card-meta { font-size: 0.75rem !important; gap: 10px !important; }

    /* 详情页 480px 紧凑化 */
    .detail-header { padding: 20px 16px 0 !important; margin-bottom: 18px !important; }
    .detail-tags { margin-bottom: 10px !important; }
    .detail-tag { font-size: 0.78rem !important; padding: 3px 10px !important; }
    .detail-title { font-size: 1.18rem !important; line-height: 1.4 !important; margin: 6px 0 12px !important; }
    .detail-meta { gap: 10px !important; padding-bottom: 16px !important; font-size: 0.76rem !important; }
    .detail-cover { margin: 0 16px 20px !important; }
    .detail-content { padding: 0 16px 24px !important; font-size: 0.9rem !important; line-height: 1.75 !important; }
    .detail-h2 { font-size: 1.05rem !important; margin: 24px 0 12px !important; padding-left: 10px !important; border-left-width: 3px !important; }
    .detail-h3 { font-size: 0.95rem !important; margin: 18px 0 8px !important; }
    .detail-p { margin-bottom: 12px !important; }
    .detail-ul, .detail-ol { margin-bottom: 12px !important; }
    .detail-ul li { padding: 4px 0 4px 22px !important; }
    .detail-ol li { padding: 4px 0 4px 28px !important; }
    .detail-quote { padding: 14px 16px 14px 44px !important; margin: 16px 0 !important; }
    .detail-quote-mark { left: 12px !important; top: 14px !important; width: 22px !important; height: 22px !important; font-size: 1.3rem !important; }
    .detail-quote p { font-size: 0.88rem !important; line-height: 1.6 !important; }
    .detail-keywords { margin: 0 16px 16px !important; padding: 10px 12px !important; gap: 6px !important; }
    .detail-keyword { font-size: 0.75rem !important; padding: 3px 8px !important; }
    .detail-service-card { margin: 0 16px 20px !important; }
    .detail-service-img img { height: 160px !important; min-height: 160px !important; }
    .detail-service-body { padding: 16px 18px !important; gap: 8px !important; }
    .detail-service-body h3 { font-size: 1.02rem !important; }
    .detail-service-body p { font-size: 0.85rem !important; margin-bottom: 8px !important; }
    .detail-service-btns { gap: 8px !important; }
    .detail-service-btns .btn { padding: 7px 14px !important; font-size: 0.82rem !important; }
    .detail-nav { margin: 0 16px 20px !important; gap: 8px !important; }
    .detail-nav-link { padding: 10px 12px !important; }
    .detail-nav-label { font-size: 0.72rem !important; }
    .detail-nav-title { font-size: 0.85rem !important; }
    .detail-related { padding: 20px 16px 24px !important; }
    .detail-related-title { font-size: 1.02rem !important; margin-bottom: 12px !important; padding-left: 10px !important; border-left-width: 3px !important; }
    .detail-related-grid { grid-template-columns: 1fr !important; gap: 12px !important; }
    .article-card-related .article-card-img { aspect-ratio: 16 / 9 !important; }
    .article-card-related .article-card-body { padding: 8px 12px 10px !important; gap: 4px !important; }
    .article-card-related .article-card-title { font-size: 0.85rem !important; }
    .article-card-related .article-card-meta { font-size: 0.72rem !important; gap: 8px !important; }

    .sidebar-card { padding: 14px !important; }
    .sidebar-card-title { font-size: 1rem !important; margin-bottom: 12px !important; padding-bottom: 10px !important; }
    .sidebar-cta { padding: 18px 14px !important; }
    .sidebar-cta h4 { font-size: 1.05rem !important; }
    .sidebar-cta p { font-size: 0.85rem !important; }

    .pagination { margin-top: 24px !important; gap: 5px !important; }
    .pagination-item { min-width: 32px; height: 32px; padding: 0 8px; font-size: 0.82rem; }

    /* 浮动条 - 底部固定强化（小屏高优先级） */
    body .float-bar {
        top: auto !important;
        right: 0 !important;
        bottom: 0 !important;
        left: 0 !important;
        flex-direction: row !important;
        border-radius: 0 !important;
        padding: 0 !important;
        padding-bottom: env(safe-area-inset-bottom) !important;
        box-shadow: 0 -4px 20px rgba(26,92,184,0.18) !important;
        width: 100% !important;
    }
    body .float-bar .float-bar-btn {
        flex: 1 !important;
        width: auto !important;
        min-height: 52px !important;
        padding: 8px 0 !important;
        font-size: 0.72rem !important;
    }
    body .float-bar .float-bar-btn .icon { font-size: 1.15rem !important; }
    body .float-bar .float-bar-btn .icon .icon-svg { width: 1.15em !important; height: 1.15em !important; }
    body .float-bar .float-bar-btn + .float-bar-btn::before {
        top: 50% !important;
        left: 0 !important;
        right: auto !important;
        width: 1px !important;
        height: 24px !important;
        transform: translateY(-50%) !important;
    }
}

/* ==========================================================
   行业资讯列表页 + 详情页 公共样式
   ========================================================== */

/* ---- 页面Banner（面包屑 + H1） ---- */
.page-banner {
    background: linear-gradient(135deg, #0A2D6E 0%, #1A5CB8 55%, #2475E0 100%);
    color: #fff;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content:'';position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}
.page-banner-sm { padding-top: 80px; }
.page-banner-inner {
    position: relative; z-index: 2;
    padding: 56px 0 48px;
    text-align: left;
}
.page-banner-inner-sm {
    position: relative; z-index: 2;
    padding: 24px 0 20px;
    text-align: left;
}
/* 面包屑 */
.breadcrumb {
    display: flex; align-items: center; justify-content: flex-start; flex-wrap: wrap; gap: 6px;
    font-size: 0.85rem;
    opacity: 0.88;
    margin-bottom: 20px;
}
.breadcrumb a { color: #fff; opacity: 0.85; }
.breadcrumb a:hover { opacity: 1; color: #5DEBC4; }
.breadcrumb span { color: rgba(255,255,255,0.65); }
.bc-sep { opacity: 0.4; }
.page-banner-sm .breadcrumb { margin-bottom: 0; }

.page-h1 {
    font-size: 2.4rem; font-weight: 800; line-height: 1.25;
    margin: 6px 0 12px;
    letter-spacing: -0.5px;
}
.page-h1-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.9rem; font-weight: 500;
    background: rgba(0,200,150,0.18);
    border: 1px solid rgba(93,235,196,0.4);
    color: #5DEBC4;
    padding: 6px 14px; border-radius: 20px;
    margin-bottom: 14px;
}
.page-h1-sub {
    font-size: 1.05rem;
    opacity: 0.85;
    max-width: 720px;
    line-height: 1.7;
    margin: 0 0 24px;
}
.page-stats {
    display: flex; gap: 28px; flex-wrap: wrap; justify-content: flex-start;
}
.page-stat-item {
    display: flex; flex-direction: column; gap: 2px;
}
.page-stat-item strong {
    font-size: 1.5rem; font-weight: 800;
    background: linear-gradient(90deg, #5DEBC4, #fff);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-stat-item span {
    font-size: 0.85rem;
    opacity: 0.78;
}

/* ---- 两栏主布局 ---- */
.page-main { padding-top: 48px; background: var(--color-bg-alt); }
.page-main-inner {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: start;
}
.page-main-inner--detail {
    grid-template-columns: 1fr 300px;
}

/* ---- 侧边栏 ---- */
.page-sidebar {
    position: sticky;
    top: 100px;
    display: flex; flex-direction: column; gap: 20px;
}

.sidebar-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    border: 1px solid var(--color-border);
}
.sidebar-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    display: flex; align-items: center; gap: 6px;
    color: var(--color-text);
}
/* 分类列表 */
.category-list { list-style: none; display: flex; flex-direction: column; }
.category-list li { border-bottom: 1px dashed var(--color-border); }
.category-list li:last-child { border-bottom: none; }
.category-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 11px 4px;
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 450;
    transition: var(--transition);
    border-left: 3px solid transparent;
    padding-left: 10px;
    margin-left: -10px;
}
.category-item:hover {
    color: var(--color-primary);
    background: var(--color-bg-alt);
    border-left-color: var(--color-primary-light);
}
.category-item.active {
    color: var(--color-primary);
    font-weight: 700;
    background: linear-gradient(90deg, rgba(26,92,184,0.08), transparent);
    border-left-color: var(--color-primary);
}
.category-item-count {
    font-size: 0.78rem;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    padding: 2px 9px;
    border-radius: 10px;
    font-weight: 500;
}
.category-item.active .category-item-count {
    background: var(--color-primary);
    color: #fff;
}
/* 热门TOP5 */
.hot-list { list-style: none; }
.hot-item {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px dashed var(--color-border);
}
.hot-item:last-child { border-bottom: none; }
.hot-rank {
    flex-shrink: 0;
    width: 22px; height: 22px; line-height: 22px;
    text-align: center;
    background: #F0F2F5;
    color: var(--color-text-light);
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 4px;
    margin-top: 1px;
}
.hot-rank.hot-top {
    background: linear-gradient(135deg, #FF6B35, #FF8C5A);
    color: #fff;
}
.hot-item-link {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}
.hot-item-link:hover { color: var(--color-primary); }

/* 侧边栏转化卡片 */
.sidebar-cta {
    background: linear-gradient(145deg, #1A5CB8 0%, #0F3D8E 100%);
    color: #fff;
    border-radius: var(--radius-md);
    padding: 22px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
}
.sidebar-cta h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}
.sidebar-cta p {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 18px;
    opacity: 0.92;
}
.btn-block { display: flex; width: 100%; justify-content: center; padding: 10px 18px; }
.btn-block-alt { margin-top: 10px; }
.sidebar-cta .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.08);
}
.sidebar-cta .btn-outline:hover {
    background: rgba(255,255,255,0.16);
    border-color: #fff;
    color: #fff;
}

/* 侧边栏服务介绍卡 */
.sidebar-service-img {
    margin: -20px -20px 0;
    overflow: hidden;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.sidebar-service-img img {
    width: 100%; height: 140px; object-fit: cover;
    transition: var(--transition);
}
.sidebar-service:hover .sidebar-service-img img { transform: scale(1.04); }
.sidebar-service-body p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 6px 0 0;
}

/* ---- 右侧内容区 ---- */

/* 筛选栏 */
.content-filter {
    display: flex; justify-content: space-between; align-items: center;
    background: #fff;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-bottom: 20px;
}
.content-filter-total {
    font-size: 0.92rem;
    color: var(--color-text-light);
}
.content-filter-total strong {
    color: var(--color-primary);
    font-weight: 700;
}
.filter-order-item {
    padding: 5px 14px;
    font-size: 0.88rem;
    border-radius: 20px;
    color: var(--color-primary);
    background: rgba(26,92,184,0.08);
    font-weight: 500;
    cursor: pointer;
}
.filter-order-item.active {
    background: var(--color-primary);
    color: #fff;
}

/* 文章卡片列表 */
.article-list {
    display: flex; flex-direction: column;
    gap: 18px;
}
.article-list .article-card {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: grid;
    grid-template-columns: 280px 1fr;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.article-list .article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--color-primary-light);
}
.article-list .article-card-img {
    position: relative;
    overflow: hidden;
    display: block;
    background: #F0F4FA;
}
.article-list .article-card-img img {
    width: 100%; height: 100%; min-height: 180px;
    object-fit: cover;
    transition: var(--transition);
}
.article-list .article-card:hover .article-card-img img {
    transform: scale(1.05);
    filter: brightness(1.05);
}
.article-list .article-card-badge {
    position: absolute; top: 12px; left: 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    font-size: 0.75rem; font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}
.article-list .article-card-body {
    padding: 18px 22px;
    display: flex; flex-direction: column;
    justify-content: space-between;
    gap: 10px;
}
.article-list .article-card-title {
    margin: 0;
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.45;
}
.article-list .article-card-title a { color: var(--color-text); }
.article-list .article-card-title a:hover { color: var(--color-primary); }
.article-list .article-card-title-sm {
    font-size: 0.95rem;
}
.article-list .article-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.article-list .article-card-meta {
    display: flex; gap: 16px; align-items: center;
    font-size: 0.82rem;
    color: var(--color-text-light);
    flex-wrap: wrap;
}
.article-list .article-card-meta-sm { font-size: 0.78rem; gap: 12px; }
.article-list .meta-item {
    display: inline-flex; align-items: center; gap: 4px;
}
.article-list .meta-badge {
    color: var(--color-primary);
    background: rgba(26,92,184,0.08);
    padding: 2px 10px;
    border-radius: 12px;
    font-weight: 500;
}
.article-list .meta-badge a { color: var(--color-primary); }
.article-list .article-card-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex; align-items: center; gap: 4px;
    align-self: flex-start;
    padding-top: 4px;
}
.article-list .article-card-more:hover { color: var(--color-accent); }

/* 分页 */
.pagination {
    display: flex; justify-content: center; align-items: center;
    gap: 8px;
    margin-top: 32px;
}
.pagination-item {
    min-width: 38px; height: 38px; padding: 0 13px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.9rem; font-weight: 500;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
}
.pagination-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(26,92,184,0.04);
}
.pagination-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.pagination-active:hover { color: #fff; background: var(--color-primary-dark); }
.pagination-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================================
   详情页专用样式
   ========================================================== */

.detail-article {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}
.detail-header {
    padding: 32px 36px 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}
.detail-tags { margin-bottom: 14px; }
.detail-tag {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 12px;
    font-size: 0.82rem;
    border-radius: 16px;
    font-weight: 500;
}
.detail-tag-primary {
    background: rgba(26,92,184,0.08);
    color: var(--color-primary);
    border: 1px solid rgba(26,92,184,0.2);
}
.detail-title {
    font-size: 1.95rem;
    font-weight: 800;
    line-height: 1.35;
    color: var(--color-text);
    margin: 10px 0 16px;
    letter-spacing: -0.3px;
}
.detail-meta {
    display: flex; flex-wrap: wrap; gap: 18px;
    padding-bottom: 22px;
    font-size: 0.86rem;
    color: var(--color-text-light);
}

.detail-cover {
    margin: 0 36px 32px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}
.detail-cover img {
    width: 100%;
    max-height: 460px;
    object-fit: cover;
    display: block;
}
.detail-cover-mask {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 70%, rgba(255,255,255,0.02));
    pointer-events: none;
}

/* 正文排版 */
.detail-content {
    padding: 0 36px 36px;
    font-size: 1rem;
    line-height: 1.85;
    color: #2A2A3A;
}
.detail-h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 34px 0 16px;
    padding: 0 0 0 14px;
    border-left: 4px solid var(--color-primary);
    line-height: 1.4;
    letter-spacing: 0.2px;
}
.detail-h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: 26px 0 12px;
}
.detail-p {
    margin: 0 0 16px;
    color: #2A2A3A;
    text-align: justify;
}
.detail-p a {
    color: var(--color-primary);
    font-weight: 500;
    border-bottom: 1px solid rgba(26,92,184,0.25);
}
.detail-p a:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.detail-ul, .detail-ol {
    margin: 0 0 16px 4px;
    padding-left: 0;
    list-style: none;
}
.detail-ul li {
    position: relative;
    padding: 6px 0 6px 28px;
    line-height: 1.75;
}
.detail-ul-mark {
    position: absolute; left: 0; top: 11px;
    color: var(--color-accent);
    width: 18px; height: 18px;
}
.detail-ol li {
    counter-increment: detail-ol;
    position: relative;
    padding: 6px 0 6px 34px;
    line-height: 1.75;
}
.detail-ol-num {
    position: absolute; left: 0; top: 7px;
    width: 22px; height: 22px; line-height: 22px;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
}
.detail-ol { counter-reset: detail-ol; }
.detail-quote {
    margin: 22px 0;
    padding: 20px 24px 20px 56px;
    background: linear-gradient(135deg, rgba(0,200,150,0.06), rgba(26,92,184,0.04));
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    position: relative;
}
.detail-quote-mark {
    position: absolute; left: 18px; top: 20px;
    font-size: 1.6rem;
    opacity: 0.5;
    width: 26px; height: 26px;
}
.detail-quote p {
    margin: 0;
    font-size: 0.98rem;
    color: var(--color-text);
    line-height: 1.75;
    font-style: italic;
}
.detail-divider {
    margin: 30px 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

/* 关键词标签 */
.detail-keywords {
    display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
    margin: 0 36px 20px;
    padding: 16px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 1px dashed var(--color-border);
}
.detail-keyword {
    font-size: 0.82rem;
    padding: 4px 14px;
    background: #fff;
    color: var(--color-primary);
    border: 1px solid rgba(26,92,184,0.2);
    border-radius: 16px;
    transition: var(--transition);
    font-weight: 500;
}
.detail-keyword:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* 相关服务卡片 */
.detail-service-card {
    margin: 0 36px 32px;
    background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF9 100%);
    border: 1px solid rgba(26,92,184,0.15);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 0;
}
.detail-service-img img {
    width: 100%; height: 100%; min-height: 180px;
    object-fit: cover;
}
.detail-service-body {
    padding: 24px 28px;
    display: flex; flex-direction: column; justify-content: center; gap: 10px;
}
.detail-service-body h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
}
.detail-service-body p {
    margin: 0 0 14px;
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}
.detail-service-btns {
    display: flex; gap: 12px; flex-wrap: wrap;
}
.detail-service-btns .btn {
    padding: 10px 22px;
}

/* 上一篇/下一篇 */
.detail-nav {
    display: flex; justify-content: space-between; gap: 16px;
    margin: 0 36px 28px;
    padding: 0;
}
.detail-nav-link {
    flex: 1;
    display: flex; flex-direction: column; gap: 4px;
    padding: 14px 18px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    min-width: 0;
}
.detail-nav-link:hover {
    border-color: var(--color-primary);
    background: rgba(26,92,184,0.04);
}
.detail-nav-empty { flex: 1; }
.detail-nav-next { text-align: right; }
.detail-nav-label {
    font-size: 0.78rem;
    color: var(--color-text-light);
    font-weight: 500;
    display: inline-flex; align-items: center; gap: 4px;
}
.detail-nav-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.detail-nav-link:hover .detail-nav-title { color: var(--color-primary); }

/* 相关推荐 */
.detail-related {
    margin: 0;
    padding: 28px 36px 36px;
    border-top: 1px solid var(--color-border);
}
.detail-related-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 18px;
    padding-left: 12px;
    border-left: 4px solid var(--color-accent);
}
.detail-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.article-card-related {
    display: flex; flex-direction: column;
    gap: 0;
}
.article-card-related .article-card-img {
    position: relative;
    overflow: hidden;
    display: block;
    background: #F0F4FA;
    aspect-ratio: 16 / 9;
}
.article-card-related .article-card-img img {
    width: 100%; height: 100%; min-height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.article-card-related:hover .article-card-img img {
    transform: scale(1.05);
}
.article-card-related .article-card-body {
    padding: 14px 16px;
    display: flex; flex-direction: column;
    gap: 6px;
}
.article-card-related .article-card-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.45;
}
.article-card-related .article-card-title a { color: var(--color-text); }
.article-card-related .article-card-title a:hover { color: var(--color-primary); }
.article-card-related .article-card-meta {
    display: flex; gap: 12px; align-items: center;
    font-size: 0.78rem;
    color: var(--color-text-light);
    flex-wrap: wrap;
}
.article-card-meta-sm { margin-top: 4px; }

/* 底部CTA复用 */
.footer-cta {
    background: linear-gradient(135deg, #1A5CB8 0%, #0F3D8E 60%, #0A2D6E 100%);
    color: #fff;
    padding: 48px 0;
    position: relative;
    overflow: hidden;
}
.footer-cta::before {
    content:'';position:absolute;inset:0;
    background-image:radial-gradient(ellipse at 20% 50%, rgba(0,200,150,0.18), transparent 50%),
                     radial-gradient(ellipse at 80% 50%, rgba(93,235,196,0.1), transparent 50%);
}
.footer-cta-inner {
    position: relative; z-index: 2;
    display: flex; justify-content: space-between; align-items: center; gap: 24px;
    flex-wrap: wrap;
}
.footer-cta-left h2 {
    font-size: 1.8rem; font-weight: 800; margin: 0 0 6px;
}
.footer-cta-left p {
    font-size: 1rem; opacity: 0.9; margin: 0;
    letter-spacing: 0.5px;
}
.footer-cta-right {
    display: flex; gap: 12px; flex-wrap: wrap;
}
.btn-white {
    background: #fff;
    color: var(--color-primary);
}
.btn-white:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* 模态框额外公共（number-input-wrap、check-option） */
.number-input-wrap {
    position: relative;
    display: flex; align-items: center;
}
.number-input-wrap input {
    flex: 1;
    padding-right: 54px !important;
}
.number-unit {
    position: absolute; right: 10px;
    font-size: 0.82rem;
    color: var(--color-text-light);
    font-weight: 500;
}
.check-option {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
}
.check-option:hover {
    border-color: var(--color-primary-light);
    background: rgba(26,92,184,0.05);
}
.check-option input { margin: 0; cursor: pointer; }
.check-option span { color: var(--color-text); }
.contact-quote {
    display: flex; flex-direction: column; gap: 14px;
}
.contact-quote-row {
    display: flex; gap: 14px; align-items: center;
    padding: 14px 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
}
.contact-quote-icon {
    width: 42px; height: 42px;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    border-radius: 10px;
}
.contact-quote-row small {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: 2px;
}
.contact-quote-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
}
a.contact-quote-value { color: var(--color-primary); }
a.contact-quote-value:hover { color: var(--color-accent); }