/* ============================================================
   云联万佳 CMS — 全新设计 (参考 sinnet-cloud 风格)
   ============================================================ */

/* ===== Variables ===== */
:root {
    --primary: #0d1b3e;
    --primary-light: #1a3060;
    --primary-dark: #080f24;
    --accent: #2b6bff;
    --accent-light: #5a8fff;
    --accent-dark: #1a4fd4;
    --accent-glow: rgba(43, 107, 255, 0.35);
    --dark: #060c1f;
    --dark-2: #0b1432;
    --dark-3: #121d45;
    --gray-50: #f7f8fc;
    --gray-100: #eef1f7;
    --gray-200: #dde2ed;
    --gray-300: #c4cbd9;
    --gray-400: #8e99b0;
    --gray-500: #5f6b84;
    --gray-600: #3d4760;
    --gray-700: #2a3149;
    --gray-800: #1a2038;
    --white: #ffffff;
    --success: #00c48c;
    --warning: #ffab00;
    --danger: #ff4757;
    --gradient-hero: linear-gradient(160deg, #060c1f 0%, #0d1b3e 45%, #162d5a 75%, #1e3f7a 100%);
    --gradient-dark: linear-gradient(135deg, #060c1f 0%, #0d1b3e 50%, #162d5a 100%);
    --gradient-accent: linear-gradient(135deg, #1a4fd4 0%, #2b6bff 50%, #5a8fff 100%);
    --gradient-card: linear-gradient(160deg, rgba(43,107,255,0.06) 0%, transparent 100%);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --shadow-card: 0 2px 16px rgba(0,0,0,0.05);
    --radius: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
body {
    font-family: var(--font);
    color: var(--gray-600);
    background: var(--white);
    line-height: 1.7;
    font-size: 15px;
    margin: 0;
    overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; height: auto; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== Scroll Reveal (AOS) ===== */
[data-aos] { opacity: 0; transform: translateY(30px); transition: all .7s cubic-bezier(.25,.46,.45,.94); }
[data-aos="fade-up"].aos-animate { opacity: 1; transform: translateY(0); }
[data-aos="fade-in"].aos-animate { opacity: 1; transform: none; }
[data-aos="zoom-in"] { transform: scale(.92); }
[data-aos="zoom-in"].aos-animate { opacity: 1; transform: scale(1); }

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: transparent;
    transition: all .4s ease;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header.scrolled {
    background: rgba(6,12,31,0.95);
    backdrop-filter: blur(20px);
    border-bottom-color: rgba(255,255,255,0.06);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}
.site-header .navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}
.site-header .navbar-brand img { height: 38px; width: auto; }

/* Main Nav */
.main-nav { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav > li { position: relative; }
.main-nav > li > a {
    display: block;
    padding: 10px 18px;
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    transition: all .2s;
    text-decoration: none;
    white-space: nowrap;
}
.main-nav > li > a:hover,
.main-nav > li.active > a {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

/* Mega Dropdown */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 480px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all .25s ease;
    z-index: 100;
}
.main-nav > li:hover > .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -8px; left: 0; right: 0;
    height: 8px;
}
.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
}
.dropdown-grid a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    transition: all .15s;
    text-decoration: none;
}
.dropdown-grid a:hover {
    background: var(--gray-50);
    color: var(--accent);
}
.dropdown-grid a i {
    font-size: 20px;
    color: var(--accent);
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}

/* Header CTA */
.header-cta { display: flex; align-items: center; gap: 12px; }
.header-cta .btn-header-phone {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color .2s;
}
.header-cta .btn-header-phone:hover { color: var(--white); }
.header-cta .btn-header-cta {
    background: var(--gradient-accent);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 22px;
    border-radius: 24px;
    border: none;
    cursor: pointer;
    transition: all .3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.header-cta .btn-header-cta:hover {
    box-shadow: 0 4px 20px var(--accent-glow);
    transform: translateY(-1px);
    color: var(--white);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

/* ===== HERO VIDEO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dark);
    overflow: hidden;
}
.hero-video-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.hero-video-bg video,
.hero-video-bg .video-placeholder-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-placeholder-bg {
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
}
.video-placeholder-bg .placeholder-inner {
    text-align: center;
    color: rgba(255,255,255,0.15);
}
.video-placeholder-bg .placeholder-inner i { font-size: 80px; }
.video-placeholder-bg .placeholder-inner p { font-size: 14px; margin-top: 12px; }
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6,12,31,0.6) 0%, rgba(6,12,31,0.4) 50%, rgba(6,12,31,0.8) 100%);
    z-index: 2;
}
.hero-content-wrap {
    position: relative;
    z-index: 3;
    width: 100%;
    padding: 160px 0 80px;
}
.hero-center {
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
}
.hero-content-wrap h1 {
    font-size: clamp(38px, 5.5vw, 66px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin: 0 0 20px;
    letter-spacing: -1px;
}
.hero-content-wrap h1 span {
    display: block;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: clamp(15px, 1.8vw, 18px);
    color: rgba(255,255,255,0.55);
    letter-spacing: 2px;
    margin: 0 0 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all .3s;
    text-decoration: none;
}
.hero-btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 6px 30px var(--accent-glow);
}
.hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--accent-glow);
    color: var(--white);
}
.hero-btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}
.hero-btn-secondary:hover {
    background: rgba(255,255,255,0.18);
    color: var(--white);
}

/* Banner Carousel (within hero) */
.hero-carousel { position: relative; width: 100%; }
.hero-carousel .carousel-item { min-height: 100vh; display: flex; align-items: center; }
.hero-carousel .carousel-indicators { bottom: 40px; z-index: 5; }
.hero-carousel .carousel-indicators [data-bs-target] {
    width: 40px; height: 3px;
    border: none; border-radius: 2px;
    background: rgba(255,255,255,0.25);
    transition: all .3s;
}
.hero-carousel .carousel-indicators .active { background: var(--accent); width: 60px; }

/* ===== NEWS TICKER ===== */
.news-ticker {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 14px 0;
    position: relative;
    z-index: 10;
}
.news-ticker-inner {
    display: flex;
    align-items: center;
    gap: 20px;
}
.news-ticker-label {
    flex-shrink: 0;
    background: var(--accent);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 1px;
}
.news-ticker-list {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 24px;
}
.news-ticker-track {
    position: absolute;
    width: 100%;
    transition: transform .5s ease;
}
.news-ticker-track a {
    display: block;
    height: 24px;
    line-height: 24px;
    font-size: 14px;
    color: var(--gray-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
}
.news-ticker-track a:hover { color: var(--accent); }
.news-ticker-more {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--gray-400);
    text-decoration: none;
}
.news-ticker-more:hover { color: var(--accent); }

/* ===== SECTION GENERAL ===== */
.sec { padding: 100px 0; }
.sec-sm { padding: 60px 0; }
.sec-light { background: var(--gray-50); }
.sec-dark {
    background: var(--gradient-dark);
    color: var(--white);
}
.sec-header {
    text-align: center;
    margin-bottom: 56px;
}
.sec-header h2 {
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 800;
    color: var(--primary);
    margin: 0 0 12px;
    letter-spacing: -0.5px;
}
.sec-dark .sec-header h2 { color: var(--white); }
.sec-header p {
    font-size: 16px;
    color: var(--gray-400);
    max-width: 560px;
    margin: 0 auto;
}
.sec-dark .sec-header p { color: rgba(255,255,255,0.5); }

/* ===== CREDENTIALS SHOWCASE ===== */
.credentials-showcase {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.2fr);
    gap: 28px;
    align-items: stretch;
}
.credentials-hero {
    position: relative;
    padding: 36px;
    border-radius: 28px;
    background:
        radial-gradient(circle at top right, rgba(90,143,255,0.16), transparent 30%),
        radial-gradient(circle at bottom left, rgba(255,255,255,0.92), transparent 38%),
        linear-gradient(155deg, #f9fbff 0%, #eef4ff 58%, #f6f9ff 100%);
    color: var(--primary);
    overflow: hidden;
    border: 1px solid rgba(43,107,255,0.1);
    box-shadow: 0 22px 64px rgba(62, 102, 176, 0.12);
}
.credentials-hero::before,
.credentials-hero::after {
    content: '';
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}
.credentials-hero::before {
    width: 220px;
    height: 220px;
    right: -90px;
    top: -80px;
    background: rgba(90,143,255,0.1);
}
.credentials-hero::after {
    width: 160px;
    height: 160px;
    left: -56px;
    bottom: -70px;
    background: rgba(255,255,255,0.72);
}
.credentials-kicker {
    display: inline-flex;
    align-items: center;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(43,107,255,0.1);
    font-size: 12px;
    letter-spacing: 1.8px;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 20px;
}
.credentials-hero h3 {
    position: relative;
    z-index: 1;
    font-size: clamp(28px, 3vw, 38px);
    line-height: 1.25;
    font-weight: 800;
    margin: 0 0 16px;
}
.credentials-hero p {
    position: relative;
    z-index: 1;
    font-size: 15px;
    line-height: 1.9;
    color: var(--gray-500);
    margin: 0;
    max-width: 540px;
}
.credentials-stats {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 30px;
}
.cred-stat {
    padding: 18px 16px;
    border-radius: 18px;
    background: rgba(255,255,255,0.66);
    border: 1px solid rgba(43,107,255,0.08);
    backdrop-filter: blur(10px);
}
.cred-stat strong {
    display: block;
    font-size: 24px;
    line-height: 1;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}
.cred-stat span {
    display: block;
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray-500);
}
.credentials-tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}
.credentials-tags span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.82);
    color: var(--gray-600);
    font-size: 13px;
    border: 1px solid rgba(43,107,255,0.08);
}
.credentials-tags i {
    color: var(--accent);
}
.credentials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
.credential-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    min-height: 154px;
    padding: 24px 22px;
    background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
    border: 1px solid rgba(20, 55, 120, 0.08);
    border-radius: 24px;
    transition: all .3s ease;
    overflow: hidden;
}
.credential-item::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, rgba(43,107,255,0.85), rgba(90,143,255,0.25));
    opacity: 0;
    transition: opacity .3s ease;
}
.credential-item:hover {
    border-color: rgba(43,107,255,0.18);
    box-shadow: 0 16px 40px rgba(20, 65, 150, 0.1);
    transform: translateY(-5px);
}
.credential-item:hover::before {
    opacity: 1;
}
.credential-item-featured {
    background:
        radial-gradient(circle at top right, rgba(90,143,255,0.14), transparent 34%),
        linear-gradient(160deg, #edf4ff 0%, #f8fbff 100%);
}
.credential-item .cred-icon {
    width: 58px;
    height: 58px;
    flex-shrink: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(43,107,255,0.14) 0%, rgba(43,107,255,0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}
.credential-item .cred-body {
    flex: 1;
}
.credential-item h5 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin: 2px 0 8px;
}
.credential-item p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.75;
    margin: 0;
}

/* ===== DC MAP ===== */
.dc-map-section {
    background: var(--gradient-dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.dc-map-section::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    right: -200px; top: -200px;
    background: radial-gradient(circle, rgba(43,107,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.dc-map-section .sec-header h2 { color: var(--white); }
.dc-map-section .sec-header p { color: rgba(255,255,255,0.5); }

.dc-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: center;
}
.dc-map-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 24px;
}
.dc-map-visual img {
    display: block;
    width: 100%;
    height: auto;
    filter: brightness(0.85) saturate(1.2);
}
.dc-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.dc-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.dc-stat-card {
    background: rgba(43,107,255,0.08);
    border: 1px solid rgba(43,107,255,0.15);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
}
.dc-stat-num {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}
.dc-stat-num span {
    font-size: 24px;
}
.dc-stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    margin-top: 6px;
}
.dc-node-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.dc-node {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 14px 18px;
    transition: all .25s;
}
.dc-node:hover {
    background: rgba(43,107,255,0.08);
    border-color: rgba(43,107,255,0.2);
}
.dc-node i {
    color: var(--accent);
    font-size: 16px;
    flex-shrink: 0;
}
.dc-node span {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}
.dc-node em {
    font-style: normal;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.05);
    padding: 3px 10px;
    border-radius: 20px;
}
.dc-cta {
    display: inline-flex;
    align-items: center;
    color: var(--accent-light);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 0;
    transition: color .2s;
}
.dc-cta:hover { color: var(--white); }

/* ===== PRODUCT SERVICE CARDS ===== */
.product-service-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}
.ps-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 40px 28px 32px;
    transition: all .35s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}
.ps-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform .35s ease;
}
.ps-card:hover {
    border-color: rgba(43,107,255,0.2);
    box-shadow: 0 12px 40px rgba(43,107,255,0.1);
    transform: translateY(-6px);
}
.ps-card:hover::before { transform: scaleX(1); }
.ps-card .ps-icon {
    width: 64px; height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(43,107,255,0.1) 0%, rgba(43,107,255,0.03) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 24px;
    transition: all .3s;
}
.ps-card:hover .ps-icon {
    background: var(--gradient-accent);
    color: var(--white);
}
.ps-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 10px;
}
.ps-card p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
    margin: 0 0 20px;
}
.ps-card .ps-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.ps-card .ps-link i { transition: transform .2s; }
.ps-card:hover .ps-link i { transform: translateX(4px); }

/* ===== SOLUTION GRID ===== */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.sol-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s;
    text-decoration: none;
    display: block;
}
.sol-card:hover {
    border-color: rgba(43,107,255,0.2);
    box-shadow: 0 12px 40px rgba(43,107,255,0.08);
    transform: translateY(-5px);
}
.sol-card .sol-cover {
    height: 200px;
    background: var(--gradient-card);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sol-card .sol-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.sol-card:hover .sol-cover img { transform: scale(1.06); }
.sol-card .sol-cover .sol-placeholder-icon {
    font-size: 56px;
    color: var(--accent-light);
    opacity: 0.25;
}
.sol-card .sol-body {
    padding: 24px;
}
.sol-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 8px;
}
.sol-card .sol-desc {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sol-card .sol-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ===== SOLUTION DETAIL SWIPER ===== */
.sol-swiper-section { background: var(--gray-50); }
.sol-swiper-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-height: 400px;
}
.sol-swiper-img {
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.sol-swiper-img img { width: 100%; height: 100%; object-fit: cover; }
.sol-swiper-img .sol-placeholder-icon { font-size: 80px; color: var(--accent-light); opacity: 0.15; }
.sol-swiper-body {
    padding: 60px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.sol-swiper-body h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin: 0 0 16px;
}
.sol-swiper-body p {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.8;
    margin: 0 0 28px;
}
.sol-swiper-body .btn-sol-detail {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
}
.sol-swiper-body .btn-sol-detail:hover { gap: 10px; }
.sol-swiper-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}
.sol-swiper-nav button {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-500);
    font-size: 18px;
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sol-swiper-nav button:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* ===== PARTNER LOGO STRIP ===== */
.partner-strip {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    padding: 36px 0 32px;
    overflow: hidden;
}
.partner-strip-head {
    text-align: center;
    margin-bottom: 20px;
}
.partner-strip-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 2px;
}
.partner-strip-label i {
    color: var(--accent);
    font-size: 14px;
}
.partner-scroll {
    overflow: hidden;
    position: relative;
    padding: 8px 0;
}
.partner-scroll::before,
.partner-scroll::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}
.partner-scroll::before { left: 0; background: linear-gradient(90deg, var(--gray-100) 0%, transparent 100%); }
.partner-scroll::after { right: 0; background: linear-gradient(270deg, var(--gray-100) 0%, transparent 100%); }
.partner-track {
    display: flex;
    gap: 56px;
    width: max-content;
    animation: scrollLogos 35s linear infinite;
}
.partner-track:hover { animation-play-state: paused; }
.partner-logo-item {
    flex-shrink: 0;
    height: 40px;
    display: flex;
    align-items: center;
    opacity: 0.35;
    filter: grayscale(100%);
    transition: all .3s;
}
.partner-logo-item:hover {
    opacity: 1;
    filter: grayscale(0);
}
.partner-logo-item img { height: 100%; width: auto; }
.partner-text-logo {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-400);
    white-space: nowrap;
    letter-spacing: 0.5px;
}
@keyframes scrollLogos {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== ECOSYSTEM TABS ===== */
.eco-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.eco-tab {
    padding: 10px 24px;
    border-radius: 28px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.5);
    background: transparent;
    cursor: pointer;
    transition: all .25s;
}
.eco-tab:hover { border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.8); }
.eco-tab.active {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.eco-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.eco-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 28px 16px;
    text-align: center;
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    font-weight: 600;
    transition: all .25s;
    letter-spacing: 0.3px;
}
.eco-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--accent-light);
    color: var(--white);
    transform: translateY(-3px);
}
.eco-pane { display: none; }
.eco-pane.active { display: block; }

/* ===== INQUIRY FORM (CTA) ===== */
.cta-section {
    background: var(--gradient-dark);
    padding: 100px 0;
    color: var(--white);
}
.cta-section h2 {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-section > .container > p {
    color: rgba(255,255,255,0.5);
    font-size: 16px;
    margin-bottom: 48px;
}
.cta-form-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.cta-form-card .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.cta-form-card .form-full { grid-column: 1 / -1; }
.cta-form-card label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}
.inquiry-form .form-control,
.inquiry-form .form-select {
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 11px 16px;
    font-size: 14px;
    color: var(--gray-700);
    transition: all .2s;
}
.inquiry-form .form-control:focus,
.inquiry-form .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(43,107,255,0.1);
    outline: none;
}
.inquiry-form .form-control::placeholder { color: var(--gray-300); }

/* Checkboxes for inquiry topics */
.inquiry-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.inquiry-topic-tag {
    padding: 8px 18px;
    border-radius: 24px;
    border: 1px solid var(--gray-200);
    font-size: 13px;
    color: var(--gray-500);
    background: var(--white);
    cursor: pointer;
    transition: all .2s;
    user-select: none;
}
.inquiry-topic-tag:hover { border-color: var(--accent); color: var(--accent); }
.inquiry-topic-tag:has(input:checked),
.inquiry-topic-tag.selected {
    background: rgba(43,107,255,0.08);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}
.inquiry-topic-tag input { display: none; }

/* ===== BRAND SUMMARY ===== */
.brand-summary {
    background: var(--white);
    padding: 80px 0;
    text-align: center;
}
.brand-summary h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
}
.brand-summary p {
    font-size: 18px;
    color: var(--gray-400);
    margin-bottom: 32px;
}
.brand-summary .btn-about {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 32px;
    font-size: 16px;
    font-weight: 600;
    transition: all .3s;
    text-decoration: none;
    border: none;
}
.brand-summary .btn-about:hover {
    box-shadow: 0 8px 30px var(--accent-glow);
    transform: translateY(-2px);
    color: var(--white);
}

/* ===== ADVANTAGES ===== */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.adv-item {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    transition: all .35s;
}
.adv-item:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-5px);
    border-color: rgba(43,107,255,0.3);
}
.adv-item .adv-icon {
    width: 68px; height: 68px;
    border-radius: 20px;
    background: rgba(43,107,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--accent-light);
    margin: 0 auto 20px;
}
.adv-item h5 {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--white);
}
.adv-item p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    margin: 0;
}

/* ===== NEWS / ARTICLES ===== */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.art-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s;
    text-decoration: none;
    display: block;
}
.art-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}
.art-card .art-cover {
    height: 200px;
    overflow: hidden;
    background: var(--gray-100);
}
.art-card .art-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.art-card:hover .art-cover img { transform: scale(1.06); }
.art-card .art-body { padding: 24px; }
.art-card .art-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--gray-400);
}
.art-card .art-meta .art-tag {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--gray-500);
}
.art-card h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.art-card .art-desc {
    font-size: 14px;
    color: var(--gray-400);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

/* ===== CASE CARDS ===== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.case-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s;
    text-decoration: none;
    display: block;
}
.case-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}
.case-card .case-cover {
    height: 200px;
    background: var(--gray-100);
    overflow: hidden;
}
.case-card .case-cover img { width: 100%; height: 100%; object-fit: cover; }
.case-card .case-body { padding: 20px; }
.case-card h5 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 6px;
}
.case-card .case-desc {
    font-size: 13px;
    color: var(--gray-400);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0 10px;
}
.case-card .case-tag {
    display: inline-block;
    background: rgba(43,107,255,0.06);
    color: var(--accent);
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 12px;
}

/* ===== BUTTONS ===== */
.btn-accent {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    border-radius: 28px;
    padding: 11px 28px;
    font-weight: 600;
    font-size: 14px;
    transition: all .3s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-accent:hover {
    color: var(--white);
    box-shadow: 0 6px 24px var(--accent-glow);
    transform: translateY(-1px);
}
.btn-outline-accent {
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 28px;
    padding: 11px 28px;
    font-weight: 600;
    font-size: 14px;
    background: transparent;
    transition: all .2s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}
.btn-outline-accent:hover {
    background: var(--accent);
    color: var(--white);
}
.btn-outline-white {
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 28px;
    padding: 11px 28px;
    font-weight: 600;
    font-size: 14px;
    background: transparent;
    transition: all .2s;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); color: var(--white); }

/* ===== PAGE BANNER (subpages) ===== */
.page-banner {
    background: var(--gradient-dark);
    padding: 140px 0 60px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43,107,255,0.08) 0%, transparent 70%);
    top: -200px; right: -100px;
}
.page-banner h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    margin-bottom: 12px;
}
.page-banner .page-banner-desc {
    color: rgba(255,255,255,0.5);
    font-size: 16px;
    margin-bottom: 20px;
}
.page-banner .breadcrumb { font-size: 13px; margin: 0; }
.page-banner .breadcrumb-item a { color: rgba(255,255,255,0.5); }
.page-banner .breadcrumb-item a:hover { color: var(--accent-light); }
.page-banner .breadcrumb-item.active { color: rgba(255,255,255,0.8); }
.page-banner .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,0.2); }

/* ===== FOOTER ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.55);
    padding: 72px 0 0;
    font-size: 14px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
}
.site-footer h6 {
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
}
.footer-about-text {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.45);
    margin-bottom: 20px;
}
.footer-link-list {
    list-style: none;
    padding: 0; margin: 0;
}
.footer-link-list li { margin-bottom: 10px; }
.footer-link-list a {
    color: rgba(255,255,255,0.45);
    font-size: 14px;
    transition: all .2s;
    text-decoration: none;
}
.footer-link-list a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-contact p {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.45);
}
.footer-contact i {
    color: var(--accent-light);
    font-size: 15px;
    width: 18px;
    flex-shrink: 0;
}
.footer-qr {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}
.footer-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.footer-qr-item img,
.footer-qr-item .qr-placeholder {
    width: 100px; height: 100px;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 6px;
}
.footer-qr-item span {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.35);
    line-height: 1.4;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 24px 0;
    margin-top: 48px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.35); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,0.6); }

/* ===== FLOATING CONTACT ===== */
.float-contact {
    position: fixed;
    right: 24px;
    bottom: 120px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.float-btn {
    width: 50px; height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: none;
    cursor: pointer;
    transition: all .3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.float-btn:hover { transform: scale(1.12); }
.btn-phone { background: var(--accent); color: var(--white); }
.btn-wechat { background: #07c160; color: var(--white); }
.btn-inquiry { background: var(--gradient-accent); color: var(--white); }
.btn-top { background: var(--white); color: var(--gray-600); border: 1px solid var(--gray-200); }
.float-btn-wrap { position: relative; }
.wechat-popup {
    position: absolute;
    right: 62px; top: 50%;
    transform: translateY(-50%) scale(0.9);
    opacity: 0; visibility: hidden;
    transition: all .25s;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    min-width: 220px;
    z-index: 10;
}
.wechat-popup.show { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
.wechat-popup-inner { text-align: center; }
.wechat-popup-inner img { width: 140px; height: 140px; border-radius: 8px; margin-bottom: 8px; }
.wechat-popup-title { font-size: 14px; font-weight: 700; color: var(--primary); }
.wechat-popup-desc { font-size: 12px; color: var(--gray-400); margin: 4px 0; }
.wechat-popup-id { font-size: 12px; color: var(--gray-300); }

/* Mobile floating bar */
.float-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-100);
    z-index: 900;
    justify-content: space-around;
    padding: 8px 0 calc(8px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}
.float-mobile-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 11px;
    color: var(--gray-400);
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    padding: 4px 12px;
    text-decoration: none;
}
.float-mobile-item i { font-size: 18px; }
.float-mobile-item.item-accent { color: var(--accent); }
.wechat-popup-mobile {
    position: absolute;
    bottom: 60px; left: 50%;
    transform: translateX(-50%) scale(0.9);
    right: auto; top: auto;
}
.wechat-popup-mobile.show { transform: translateX(-50%) scale(1); }

/* ===== MODAL ===== */
.modal-inquiry .modal-content {
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: 0 24px 80px rgba(0,0,0,0.2);
}
.modal-inquiry .modal-header {
    border-bottom: 1px solid var(--gray-100);
    padding: 20px 28px;
}
.modal-inquiry .modal-title { font-size: 17px; font-weight: 700; }
.modal-inquiry .modal-body { padding: 28px; }

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar {
    background: var(--accent);
    color: var(--white);
    font-size: 13px;
    padding: 10px 0;
    text-align: center;
    position: relative;
    z-index: 1001;
}
.announcement-bar .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.6;
    font-size: 10px;
}

/* ===== SUBPAGE COMPONENTS ===== */

/* Product list */
.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}
.product-card .card-img-top {
    aspect-ratio: 16 / 9;
    height: auto;
    overflow: hidden;
    background: var(--gray-100);
}
.product-card .card-img-top img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .card-img-top img { transform: scale(1.06); }
.product-card .card-body { padding: 24px; flex: 1; }
.product-card .card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}
.product-card .card-title a { color: inherit; text-decoration: none; }
.product-card .card-subtitle {
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 12px;
}
.product-card .specs-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.spec-tag {
    display: inline-block;
    background: var(--gray-50);
    color: var(--gray-500);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 6px;
}
.spec-tag.tag-hot { background: #fff8e1; color: #f59e0b; }
.spec-tag.tag-status { background: #e6f9f0; color: #00c48c; }
.spec-tag.tag-preorder { background: #fff8e1; color: #f59e0b; }
.product-card .card-text {
    font-size: 13px;
    color: var(--gray-400);
    line-height: 1.6;
}
.product-card .card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.price-text { font-size: 15px; font-weight: 700; color: var(--accent); }

/* Filter bar */
.filter-bar { margin-bottom: 32px; }
.filter-bar .form-control,
.filter-bar .form-select {
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    font-size: 14px;
    padding: 10px 14px;
}
.filter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 6px;
    display: block;
}

/* Product detail */
.product-detail-hero { background: var(--gray-50); padding: 48px 0; }
.product-gallery { border-radius: var(--radius-lg); overflow: hidden; }
.product-info h1 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.product-spec-table th { width: 140px; font-weight: 600; font-size: 14px; color: var(--gray-500); }

/* Solution detail */
.solution-detail .content-body { font-size: 15px; line-height: 2; }
.solution-detail .content-body h2,
.solution-detail .content-body h3 { font-weight: 700; margin-top: 32px; margin-bottom: 12px; color: var(--primary); }
.solution-detail .content-body img { border-radius: var(--radius); margin: 16px 0; }

/* Solution list (subpage) */
.sol-list-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s;
}
.sol-list-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

/* Article sidebar */
.sidebar-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-card h6 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

/* Article detail */
.article-detail-header {
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
}
.article-detail-header h1 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.article-content { font-size: 15px; line-height: 2; color: var(--gray-600); }
.article-content h2,
.article-content h3 { font-weight: 700; margin-top: 36px; margin-bottom: 14px; color: var(--primary); }
.article-content img { border-radius: var(--radius); margin: 20px 0; }
.article-content blockquote {
    border-left: 4px solid var(--accent);
    padding: 16px 24px;
    background: var(--gray-50);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
}
.article-nav { display: flex; gap: 16px; margin-top: 36px; }
.article-nav-item {
    flex: 1;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.article-nav-item a { color: var(--primary); font-weight: 600; font-size: 14px; text-decoration: none; }

/* About page */
.about-block { margin-bottom: 72px; }
.about-block h3 { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 20px; }
.timeline { position: relative; padding-left: 36px; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: var(--gray-200); }
.timeline-item { position: relative; margin-bottom: 36px; padding-left: 24px; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -30px; top: 6px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px rgba(43,107,255,0.2);
}
.timeline-year { font-size: 20px; font-weight: 700; color: var(--accent); margin-bottom: 6px; }

/* Contact page */
.contact-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    height: 100%;
    transition: all .3s;
}
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.contact-card i { font-size: 36px; color: var(--accent); margin-bottom: 14px; display: block; }
.contact-card h5 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }

/* Placeholders */
.img-placeholder {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    font-size: 14px;
    text-align: center;
    border-radius: var(--radius);
}
.video-placeholder {
    background: var(--dark-2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: rgba(255,255,255,0.3);
    font-size: 56px;
    position: relative;
}
.video-placeholder span { position: absolute; bottom: 24px; font-size: 14px; color: rgba(255,255,255,0.2); }

/* Step items */
.step-item { text-align: center; padding: 28px 16px; }
.step-num {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: var(--white);
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
}
.step-item h5 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--gray-400); margin: 0; }

/* Business card */
.biz-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    height: 100%;
    text-align: center;
    transition: all .35s;
}
.biz-card:hover { border-color: rgba(43,107,255,0.2); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.biz-icon {
    width: 68px; height: 68px;
    border-radius: 18px;
    background: rgba(43,107,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--accent);
    margin: 0 auto 18px;
}
.biz-card h4 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.biz-card p { font-size: 14px; color: var(--gray-400); line-height: 1.7; }

/* Pagination */
.pagination { gap: 6px; }
.pagination .page-link {
    border-radius: var(--radius);
    font-size: 14px;
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    color: var(--gray-500);
}
.pagination .page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
}

/* Filter buttons */
.filter-btn {
    padding: 8px 20px;
    border-radius: 24px;
    font-size: 14px;
    border: 1px solid var(--gray-200);
    color: var(--gray-500);
    background: var(--white);
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
}
.filter-btn:hover, .filter-btn.active {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* QR placeholder */
.qr-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.2);
    font-size: 28px;
}

/* ===== SERVICE LANDING PAGE ===== */
.svc-hero {
    background: var(--gradient-dark);
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}
.svc-hero::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    right: -200px; top: -100px;
    background: radial-gradient(circle, rgba(43,107,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}
.svc-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.svc-hero-text { position: relative; z-index: 1; }
.svc-hero-text .svc-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(43,107,255,0.12);
    border: 1px solid rgba(43,107,255,0.2);
    padding: 6px 18px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 24px;
}
.svc-hero-text h1 {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin: 0 0 16px;
}
.svc-hero-text h1 span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.svc-hero-text .svc-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.55);
    line-height: 1.8;
    margin-bottom: 32px;
}
.svc-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.svc-hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.svc-hero-visual img {
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-lg);
}

/* Features grid */
.svc-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.svc-feat {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all .3s;
}
.svc-feat:hover {
    border-color: rgba(43,107,255,0.2);
    box-shadow: 0 8px 32px rgba(43,107,255,0.08);
    transform: translateY(-4px);
}
.svc-feat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(43,107,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 20px;
}
.svc-feat h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.svc-feat p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin: 0;
}

/* Specs / params table */
.svc-specs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.svc-spec-card {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
}
.svc-spec-num {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}
.svc-spec-label {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    margin-top: 8px;
}

/* Use cases */
.svc-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.svc-case {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    transition: all .3s;
}
.svc-case:hover {
    border-color: rgba(43,107,255,0.15);
    box-shadow: var(--shadow-md);
}
.svc-case-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: rgba(43,107,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent);
    flex-shrink: 0;
}
.svc-case-body h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}
.svc-case-body p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
    margin: 0;
}

/* Service CTA */
.svc-cta {
    background: var(--gradient-dark);
    border-radius: var(--radius-xl);
    padding: 56px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.svc-cta::before {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(43,107,255,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.svc-cta h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    position: relative;
}
.svc-cta p {
    color: rgba(255,255,255,0.5);
    margin-bottom: 32px;
    position: relative;
}
.svc-cta .svc-hero-actions { justify-content: center; position: relative; }

/* Advantage list */
.svc-adv-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.svc-adv-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(43,107,255,0.04);
    border-radius: var(--radius);
}
.svc-adv-item i {
    color: var(--accent);
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}
.svc-adv-item span {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .product-service-grid { grid-template-columns: repeat(3, 1fr); }
    .svc-features { grid-template-columns: repeat(2, 1fr); }
    .svc-specs { grid-template-columns: repeat(2, 1fr); }
    .eco-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .sec { padding: 72px 0; }
    .hero-content-wrap { padding: 120px 0 80px; }
    .svc-hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .svc-hero-visual { order: -1; }
    .svc-hero { padding: 140px 0 60px; }
    .nav-toggle { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 72px; left: 0; right: 0;
        background: rgba(6,12,31,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    .main-nav.open { display: flex; }
    .main-nav > li > a { padding: 12px 16px; }
    .nav-dropdown {
        position: static;
        transform: none;
        min-width: auto;
        box-shadow: none;
        border-radius: var(--radius);
        padding: 8px;
        background: rgba(255,255,255,0.04);
        opacity: 1; visibility: visible;
        display: none;
    }
    .main-nav > li:hover > .nav-dropdown,
    .nav-dropdown.mobile-open {
        display: block;
        transform: none;
    }
    .dropdown-grid { grid-template-columns: 1fr; }
    .dropdown-grid a { color: rgba(255,255,255,0.6); }
    .dropdown-grid a:hover { background: rgba(255,255,255,0.06); color: var(--accent-light); }
    .dropdown-grid a i { color: var(--accent-light); }
    .header-cta { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .product-service-grid { grid-template-columns: repeat(2, 1fr); }
    .solution-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .product-list-grid { grid-template-columns: repeat(2, 1fr); }
    .sol-swiper-card { grid-template-columns: 1fr; }
    .sol-swiper-img { height: 240px; }
    .sol-swiper-body { padding: 36px 28px; }
    .dc-layout { grid-template-columns: 1fr; }
    .credentials-showcase { grid-template-columns: 1fr; }
    .credentials-hero { padding: 32px 28px; }
    .credentials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sec { padding: 56px 0; }

    /* Hero */
    .hero-section { min-height: 85vh; }
    .hero-content-wrap { padding: 110px 0 50px; }
    .hero-content-wrap h1 { font-size: 28px; letter-spacing: 0; }
    .hero-sub { letter-spacing: 0.5px; font-size: 13px; margin-bottom: 28px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-btn { width: 100%; justify-content: center; padding: 13px 24px; }

    /* Service landing page hero */
    .svc-hero { padding: 120px 0 48px; }
    .svc-hero-text h1 { font-size: 26px; }
    .svc-hero-text .svc-desc { font-size: 14px; margin-bottom: 24px; }
    .svc-hero-actions { flex-direction: column; }
    .svc-hero-actions .btn-accent,
    .svc-hero-actions .btn-outline-white { width: 100%; text-align: center; display: block; padding: 13px 24px !important; }
    .svc-features { grid-template-columns: 1fr; }
    .svc-feat { padding: 28px 22px; }
    .svc-specs { grid-template-columns: 1fr 1fr; }
    .svc-spec-card { padding: 24px 16px; }
    .svc-cases { grid-template-columns: 1fr; }
    .svc-case { padding: 22px; }
    .svc-adv-list { grid-template-columns: 1fr; }
    .svc-cta { padding: 40px 24px; border-radius: var(--radius-lg); }

    /* News ticker */
    .news-ticker-inner { gap: 12px; }
    .news-ticker-label { padding: 3px 10px; font-size: 11px; }
    .news-ticker-more { font-size: 12px; }
    .news-ticker-track a { font-size: 13px; }

    /* Grids */
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .product-service-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .solution-grid { grid-template-columns: 1fr; }
    .adv-grid { grid-template-columns: 1fr 1fr; }
    .eco-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr 1fr; }
    .product-list-grid { grid-template-columns: 1fr; }

    /* Eco tabs scroll */
    .eco-tabs { overflow-x: auto; justify-content: flex-start; gap: 8px; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
    .eco-tab { flex-shrink: 0; font-size: 13px; padding: 8px 16px; }

    /* DC map */
    .dc-layout { grid-template-columns: 1fr; }
    .dc-stat-row { grid-template-columns: 1fr 1fr; }
    .dc-stat-card { padding: 20px 16px; }
    .dc-node { padding: 12px 14px; }

    /* Partner strip */
    .partner-strip { padding: 28px 0 24px; }
    .partner-strip-label { font-size: 12px; letter-spacing: 1px; }

    /* CTA form */
    .cta-section { padding: 60px 0; }
    .cta-form-card { padding: 24px 20px; }
    .cta-form-card .form-grid { grid-template-columns: 1fr; }
    .inquiry-topics { gap: 8px; }
    .inquiry-topic-tag { padding: 7px 14px; font-size: 12px; }

    /* Credentials */
    .credentials-stats { grid-template-columns: 1fr; }
    .credentials-grid { grid-template-columns: 1fr; }
    .credential-item { min-height: auto; }

    /* Misc */
    .float-contact.float-desktop { display: none; }
    .float-mobile-bar { display: flex; }
    body { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)); }
    .article-nav { flex-direction: column; }
    .page-banner { padding: 110px 0 36px; }
    .page-banner h1 { font-size: 24px; }
    .page-banner .page-banner-desc { font-size: 14px; }

    /* Section headers */
    .sec-header h2 { font-size: 24px; }
    .sec-header p { font-size: 14px; }

    /* Container tighter on mobile */
    .container { padding: 0 16px; }

    /* Product service cards on mobile */
    .ps-card { padding: 20px 16px; }
    .ps-card img { height: 120px !important; }
    .ps-card h4 { font-size: 15px; }
    .ps-card p { font-size: 13px; margin-bottom: 14px; }

    /* Sol cards */
    .sol-card .sol-body { padding: 18px 16px; }
    .sol-card .sol-body h4 { font-size: 16px; }
    .sol-card .sol-cover { height: 140px; }

    /* Inquiry modal */
    .modal-inquiry .modal-dialog { margin: 10px; }
    .modal-inquiry .modal-body { padding: 20px; }
    .modal-inquiry .modal-header { padding: 16px 20px; }
}

@media (max-width: 480px) {
    .adv-grid { grid-template-columns: 1fr; }
    .eco-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr; }
    .product-service-grid { grid-template-columns: 1fr; gap: 14px; }
    .dc-map-section { padding: 48px 0; }
    .dc-stat-row { grid-template-columns: 1fr; }
    .svc-specs { grid-template-columns: 1fr; }
    .credentials-hero { padding: 28px 22px; border-radius: 22px; }
    .credential-item { padding: 20px 18px; border-radius: 20px; }
    .hero-content-wrap h1 { font-size: 24px; }
    .hero-sub { font-size: 12px; }
    .svc-hero-text h1 { font-size: 22px; }
    .svc-hero-visual img { max-width: 280px; }
    .cta-form-card { padding: 20px 16px; }
}