/* ===== 繁星GEO 主题：星空紫 + 电光青 ===== */
:root {
    --bg: #070b18;
    --bg-deep: #04060f;
    --bg-soft: #0d1428;
    --card: #0e1630;
    --card-2: #111a38;
    --border: rgba(124, 93, 250, 0.18);
    --border-glass: rgba(124, 93, 250, 0.22);
    --border-glow: rgba(0, 229, 255, 0.55);
    --accent: #7c5dfa;
    --accent-2: #00e5ff;
    --accent-3: #ff6ec7;
    --text: #e8ecf8;
    --text-dim: #9aa6c4;
    --text-faint: #6b7a9e;
    --radius: 14px;
    --radius-sm: 9px;
    --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-display: "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
    --shadow: 0 10px 34px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 28px rgba(124, 93, 250, 0.25);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 星空背景渐变 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(124, 93, 250, 0.16), transparent 60%),
        radial-gradient(ellipse 60% 40% at 85% 10%, rgba(0, 229, 255, 0.10), transparent 55%),
        radial-gradient(ellipse 50% 40% at 50% 110%, rgba(255, 110, 199, 0.08), transparent 60%),
        var(--bg);
}
/* 星星粒子 */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        radial-gradient(1.2px 1.2px at 25px 35px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 120px 90px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1.4px 1.4px at 200px 160px, rgba(0,229,255,0.5), transparent),
        radial-gradient(1px 1px at 320px 60px, rgba(255,255,255,0.35), transparent),
        radial-gradient(1.2px 1.2px at 430px 130px, rgba(124,93,250,0.55), transparent),
        radial-gradient(1px 1px at 90px 220px, rgba(255,255,255,0.3), transparent),
        radial-gradient(1.3px 1.3px at 260px 260px, rgba(0,229,255,0.4), transparent),
        radial-gradient(1px 1px at 380px 300px, rgba(255,255,255,0.35), transparent);
    background-size: 520px 380px;
    opacity: 0.5;
    pointer-events: none;
}

a { color: var(--accent-2); text-decoration: none; transition: color 0.25s; }
a:hover { color: var(--accent); }

img { max-width: 100%; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

.glow-text {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(7, 11, 24, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: all 0.35s var(--ease-out);
}
.header.scrolled {
    background: rgba(5, 8, 18, 0.94);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 74px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.5px;
    font-family: var(--font-display);
    flex-shrink: 0;
}
.logo-icon {
    width: 34px;
    height: 34px;
    color: var(--accent-2);
    filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.5));
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.nav-links a {
    color: var(--text-dim);
    padding: 8px 13px;
    border-radius: 100px;
    font-size: 14.5px;
    letter-spacing: 0.4px;
    transition: all 0.3s var(--ease-out);
    white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: rgba(124, 93, 250, 0.12); }
.nav-links a.active {
    color: #fff;
    background: linear-gradient(120deg, rgba(124, 93, 250, 0.28), rgba(0, 229, 255, 0.2));
    box-shadow: inset 0 0 0 1px rgba(124, 93, 250, 0.35);
}
.nav-links a.nav-search {
    padding: 8px 11px;
    margin-left: 10px;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.nav-links a.nav-search:hover {
    border-color: var(--border-glow);
    color: var(--accent-2);
    box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
}
.nav-links a.nav-search .icon { width: 16px; height: 16px; }
.nav-links a.nav-cities {
    padding: 8px 11px;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.nav-links a.nav-cities .icon { width: 16px; height: 16px; }
.nav-links a.nav-cities:hover {
    border-color: var(--border-glow);
    color: var(--accent-2);
    box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
}
.header-cta { margin-left: 4px; }
.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 100px;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    font-weight: 700;
    font-size: 14.5px;
    box-shadow: 0 4px 18px rgba(124, 93, 250, 0.4);
    transition: all 0.3s var(--ease-out);
}
.header-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(124, 93, 250, 0.55);
    color: #fff;
}
.header-phone .icon { width: 16px; height: 16px; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* 分站提示条 */
.region-bar {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    z-index: 99;
    background: linear-gradient(120deg, rgba(124, 93, 250, 0.16), rgba(0, 229, 255, 0.1));
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    font-size: 13px;
    color: var(--text-dim);
}
.region-bar .container {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 44px;
}
.region-bar .icon { width: 15px; height: 15px; color: var(--accent-2); }
.region-crumb { margin-left: auto; color: var(--text-faint); }

body.has-region { padding-top: 118px; }
body:not(.has-region) { padding-top: 74px; }

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 0 50px;
    overflow: hidden;
}
.hero .container {
    position: relative;
    z-index: 5;
    flex: 0 0 auto;
    width: 100%;
}
.hero-content { max-width: 780px; margin: 0 auto; text-align: center; }
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    border-radius: 100px;
    background: rgba(124, 93, 250, 0.14);
    border: 1px solid rgba(124, 93, 250, 0.35);
    color: var(--accent-2);
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 22px;
}
.hero-tag .icon { width: 14px; height: 14px; }
.hero h1 {
    font-size: 48px;
    line-height: 1.24;
    font-weight: 800;
    font-family: var(--font-display);
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.hero-sub {
    font-size: 16.5px;
    line-height: 1.8;
    color: var(--text-dim);
    margin: 0 auto 30px;
    max-width: 700px;
}
.hero-strong {
    color: var(--accent-2);
    font-weight: 700;
    text-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
}
.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 100px;
    font-size: 15.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
    border: 0;
}
.btn .icon { width: 17px; height: 17px; }
.btn-primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 6px 24px rgba(124, 93, 250, 0.45);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 34px rgba(124, 93, 250, 0.6);
    color: #fff;
}
.btn-ghost {
    background: rgba(124, 93, 250, 0.08);
    border: 1px solid rgba(124, 93, 250, 0.4);
    color: var(--text);
}
.btn-ghost:hover {
    border-color: var(--accent-2);
    color: var(--accent-2);
    transform: translateY(-3px);
}

/* hero 装饰轨道 */
.hero-orbit {
    position: absolute;
    right: 3%;
    top: 50%;
    transform: translateY(-50%);
    width: 520px;
    height: 520px;
    border: 1px solid rgba(124, 93, 250, 0.16);
    border-radius: 50%;
    opacity: 0.5;
    pointer-events: none;
}
.hero-orbit::before {
    content: '';
    position: absolute;
    inset: 60px;
    border: 1px dashed rgba(0, 229, 255, 0.18);
    border-radius: 50%;
    animation: orbitSpin 36s linear infinite;
}
.hero-orbit::after {
    content: '';
    position: absolute;
    inset: 130px;
    border: 1px solid rgba(255, 110, 199, 0.14);
    border-radius: 50%;
}
@keyframes orbitSpin { to { transform: rotate(360deg); } }
.hero-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-2);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.8);
}
.hero-dot-1 { top: 18%; right: 26%; animation: floatY 5s ease-in-out infinite; }
.hero-dot-2 { top: 62%; right: 12%; width: 4px; height: 4px; background: var(--accent); animation: floatY 7s ease-in-out infinite 1s; }
.hero-dot-3 { top: 30%; right: 45%; width: 3px; height: 3px; background: var(--accent-3); animation: floatY 6s ease-in-out infinite 0.5s; }
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

/* ===== Stats ===== */
.stats-bar {
    background: rgba(13, 20, 40, 0.7);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 26px 0;
}
.stat-item {
    padding: 20px 24px;
    border-radius: var(--radius);
    background: rgba(14, 22, 48, 0.8);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.4s var(--ease-out);
}
.stat-item:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}
.stat-item .stat-num {
    display: block;
    font-size: 34px;
    font-weight: 800;
    font-family: var(--font-display);
    background: linear-gradient(120deg, var(--accent-2), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 1px;
    line-height: 1.2;
}
.stat-item .stat-label {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 6px;
    letter-spacing: 1px;
}

/* ===== Section ===== */
.section { padding: 80px 0; position: relative; }
.section-alt { background: rgba(13, 20, 40, 0.45); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-header {
    text-align: center;
    margin-bottom: 46px;
}
.section-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 100px;
    background: rgba(124, 93, 250, 0.12);
    border: 1px solid rgba(124, 93, 250, 0.3);
    color: var(--accent-2);
    font-size: 12.5px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    font-family: var(--font-display);
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.section-header p {
    color: var(--text-dim);
    max-width: 640px;
    margin: 0 auto;
    font-size: 15px;
}

/* ===== 特性卡片 ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.feature-card {
    padding: 30px 26px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.9), rgba(13, 20, 40, 0.7));
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    background: linear-gradient(135deg, rgba(124, 93, 250, 0.2), rgba(0, 229, 255, 0.12));
    border: 1px solid rgba(124, 93, 250, 0.3);
    color: var(--accent-2);
}
.feature-icon .icon { width: 27px; height: 27px; }
.feature-card h3 { font-size: 17px; margin-bottom: 10px; font-weight: 700; }
.feature-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.75; }

/* ===== 服务卡片 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    padding: 32px 28px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.92), rgba(13, 20, 40, 0.72));
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
    display: block;
    color: var(--text);
    position: relative;
    overflow: hidden;
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    color: var(--text);
}
.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 1px solid rgba(124, 93, 250, 0.35);
    transition: transform 0.4s var(--ease-out);
}
.service-icon .icon { width: 30px; height: 30px; }
.service-card:hover .service-icon { transform: scale(1.08) rotate(-6deg); }
.service-card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 700; }
.service-card p { font-size: 14px; color: var(--text-dim); line-height: 1.75; margin-bottom: 16px; }
.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-2);
}
.service-link .icon { width: 15px; height: 15px; transition: transform 0.3s; }
.service-card:hover .service-link .icon { transform: translateX(4px); }

/* ===== 案例卡片 ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.case-card {
    padding: 28px 26px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.9), rgba(13, 20, 40, 0.7));
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
}
.case-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}
.case-industry {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.3);
    color: var(--accent-2);
    font-size: 12px;
    margin-bottom: 14px;
}
.case-card h3 { font-size: 17px; margin-bottom: 10px; }
.case-card .case-result {
    color: var(--accent-2);
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 8px;
}
.case-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.7; }

/* ===== 流程 ===== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.process-item {
    text-align: center;
    padding: 28px 18px;
    border-radius: var(--radius);
    background: rgba(14, 22, 48, 0.75);
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.4s var(--ease-out);
}
.process-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}
.process-num {
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 800;
    font-family: var(--font-display);
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 0 20px rgba(124, 93, 250, 0.4);
}
.process-item h3 { font-size: 15.5px; margin-bottom: 8px; }
.process-item p { font-size: 12.5px; color: var(--text-dim); line-height: 1.6; }

/* ===== 新闻卡片 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.news-card {
    padding: 26px 24px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.9), rgba(13, 20, 40, 0.7));
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
    display: block;
    color: var(--text);
}
.news-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    color: var(--text);
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12.5px;
    color: var(--text-faint);
    margin-bottom: 12px;
}
.news-cat {
    padding: 3px 10px;
    border-radius: 100px;
    background: rgba(124, 93, 250, 0.14);
    border: 1px solid rgba(124, 93, 250, 0.3);
    color: var(--accent-2);
}
.news-card h3 {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 分站列表 ===== */
.city-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.city-item {
    padding: 8px 16px;
    border-radius: 100px;
    background: rgba(14, 22, 48, 0.8);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 13.5px;
    transition: all 0.3s var(--ease-out);
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.city-item:hover {
    border-color: var(--border-glow);
    color: var(--accent-2);
    transform: translateY(-2px);
}

/* ===== CTA 横幅 ===== */
.cta-banner {
    padding: 70px 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(120deg, rgba(124, 93, 250, 0.16), rgba(0, 229, 255, 0.1), rgba(255, 110, 199, 0.08));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.cta-inner {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}
.cta-inner h2 { font-size: 32px; margin-bottom: 14px; font-family: var(--font-display); font-weight: 800; }
.cta-inner p { color: var(--text-dim); margin-bottom: 28px; font-size: 15px; }
.cta-trust {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-top: 24px;
    font-size: 13px;
    color: var(--text-faint);
}
.cta-trust span { display: inline-flex; align-items: center; gap: 6px; }
.cta-trust .icon { width: 14px; height: 14px; color: var(--accent-2); }

/* ===== 页面 Hero（内页） ===== */
.page-hero {
    padding: 60px 0 40px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(124, 93, 250, 0.1), transparent);
}
.page-hero h1 { font-size: 38px; font-weight: 800; font-family: var(--font-display); margin-bottom: 12px; }
.page-hero p { color: var(--text-dim); max-width: 640px; margin: 0 auto; font-size: 15px; }
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-faint);
    margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-faint); }
.breadcrumb a:hover { color: var(--accent-2); }
.breadcrumb .sep { opacity: 0.5; }

/* ===== 详情内容 ===== */
.detail-content {
    max-width: 860px;
    margin: 0 auto;
}
.rich-content {
    font-size: 15.5px;
    line-height: 2;
    color: var(--text);
}
.rich-content h2 {
    font-size: 24px;
    margin: 36px 0 16px;
    padding-left: 14px;
    border-left: 3px solid var(--accent);
    font-weight: 700;
}
.rich-content h3 { font-size: 19px; margin: 28px 0 12px; font-weight: 700; }
.rich-content p { margin-bottom: 14px; }
.rich-content ul, .rich-content ol { margin: 0 0 16px 22px; }
.rich-content li { margin-bottom: 6px; }
.rich-content blockquote {
    padding: 14px 20px;
    border-left: 3px solid var(--accent-2);
    background: rgba(124, 93, 250, 0.08);
    border-radius: 0 10px 10px 0;
    margin: 16px 0;
    color: var(--text-dim);
}
.rich-content img { border-radius: 10px; margin: 10px 0; }
.rich-content a { color: var(--accent-2); text-decoration: underline; }

/* ===== 表单 ===== */
.form-card {
    max-width: 640px;
    margin: 0 auto;
    padding: 36px 32px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.92), rgba(13, 20, 40, 0.75));
    border: 1px solid var(--border);
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(7, 11, 24, 0.7);
    color: var(--text);
    font-size: 14.5px;
    font-family: var(--font);
    outline: none;
    transition: all 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124, 93, 250, 0.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-tip { font-size: 12.5px; color: var(--text-faint); margin-top: 6px; }
.form-msg {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}
.form-msg.ok { display: block; background: rgba(46, 204, 113, 0.12); border: 1px solid rgba(46, 204, 113, 0.4); color: #2ecc71; }
.form-msg.err { display: block; background: rgba(255, 107, 129, 0.12); border: 1px solid rgba(255, 107, 129, 0.4); color: #ff6b81; }

/* ===== 联系信息卡 ===== */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 40px;
}
.contact-card {
    padding: 28px 24px;
    border-radius: var(--radius);
    background: rgba(14, 22, 48, 0.8);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.4s var(--ease-out);
}
.contact-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}
.contact-card .icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 14px;
    color: var(--accent-2);
}
.contact-card h3 { font-size: 15px; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--text-dim); }
.contact-card a { color: var(--accent-2); font-weight: 600; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 14px;
    background: rgba(14, 22, 48, 0.7);
    overflow: hidden;
    transition: border-color 0.3s;
}
.faq-item:hover { border-color: rgba(124, 93, 250, 0.4); }
.faq-q {
    padding: 18px 22px;
    font-size: 15.5px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    user-select: none;
}
.faq-q::before {
    content: '+';
    color: var(--accent-2);
    font-size: 20px;
    font-weight: 400;
    transition: transform 0.3s;
    flex-shrink: 0;
}
.faq-item.open .faq-q::before { transform: rotate(45deg); }
.faq-a {
    padding: 0 22px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out), padding 0.4s;
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.9;
}
.faq-item.open .faq-a {
    max-height: 600px;
    padding: 0 22px 20px;
}

/* ===== 学员评价 ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial-card {
    padding: 28px 26px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.9), rgba(13, 20, 40, 0.7));
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
    display: flex;
    flex-direction: column;
}
.testimonial-card:hover {
    border-color: rgba(0, 229, 255, 0.4);
    box-shadow: 0 0 26px rgba(0, 229, 255, 0.12);
    transform: translateY(-4px);
}
.testimonial-stars {
    color: #ffd93d;
    font-size: 15px;
    letter-spacing: 3px;
    margin-bottom: 14px;
}
.testimonial-card blockquote {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.85;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.testimonial-author {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.testimonial-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    flex-shrink: 0;
}
.testimonial-name { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: var(--text-faint); }

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 44px;
    flex-wrap: wrap;
}
.pagination a,
.pagination span {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 14px;
    transition: all 0.3s;
}
.pagination a:hover {
    border-color: var(--accent);
    color: var(--accent-2);
}
.pagination .current {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    border-color: transparent;
    font-weight: 700;
}
.pagination .dots { border: 0; }

/* ===== Footer ===== */
.footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
    padding-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 44px;
}
.footer-col h4 {
    font-size: 15.5px;
    margin-bottom: 18px;
    color: var(--text);
    font-weight: 700;
    letter-spacing: 0.5px;
}
.footer-col a {
    display: block;
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 10px;
    transition: all 0.25s;
}
.footer-col a:hover { color: var(--accent-2); padding-left: 4px; }
.footer-col p { color: var(--text-dim); font-size: 14px; margin-bottom: 10px; }
.footer-about p { font-size: 13.5px; line-height: 1.8; margin-top: 14px; }
.footer-company { color: var(--accent-2) !important; font-weight: 600; }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 18px 0;
}
.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.footer-bottom p { color: var(--text-faint); font-size: 13px; }
.footer-bottom a { color: var(--text-faint); }
.footer-bottom a:hover { color: var(--accent-2); }

/* ===== 移动端 ===== */
@media (max-width: 992px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid, .cases-grid, .news-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-cards { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 38px; }
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 74px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(5, 8, 18, 0.97);
        padding: 20px 24px;
        gap: 6px;
        transform: translateY(-120%);
        transition: transform 0.4s var(--ease-out);
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { transform: translateY(0); }
    .nav-links a { width: 100%; text-align: center; }
    .header-cta { display: none; }
    .hero-orbit { display: none; }
}

@media (max-width: 640px) {
    .hero h1 { font-size: 30px; }
    .hero-sub { white-space: normal; font-size: 14.5px; }
    .features-grid, .services-grid, .cases-grid, .news-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .section { padding: 56px 0; }
    .section-header h2 { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .cta-inner h2 { font-size: 24px; }
}

/* ===== reveal 动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 搜索页 ===== */
.search-box {
    max-width: 560px;
    margin: 0 auto 40px;
    display: flex;
    gap: 10px;
}
.search-box input {
    flex: 1;
    padding: 13px 18px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: rgba(7, 11, 24, 0.7);
    color: var(--text);
    font-size: 15px;
    outline: none;
    transition: border-color 0.3s;
}
.search-box input:focus { border-color: var(--accent); }
.search-box button {
    padding: 13px 26px;
    border-radius: 100px;
    border: 0;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
}
.search-box button:hover { box-shadow: 0 6px 22px rgba(124, 93, 250, 0.5); }
.search-results h3 { font-size: 17px; margin-bottom: 6px; }
.search-results .result-item {
    padding: 20px 22px;
    border-radius: var(--radius);
    background: rgba(14, 22, 48, 0.7);
    border: 1px solid var(--border);
    margin-bottom: 14px;
    transition: all 0.3s;
}
.search-results .result-item:hover { border-color: var(--border-glow); }
.search-results .result-item a { font-size: 16px; font-weight: 600; }
.search-results .result-item p { font-size: 13.5px; color: var(--text-dim); margin-top: 6px; }
.search-empty { text-align: center; color: var(--text-faint); padding: 40px 0; }

/* ===== 加盟页 ===== */
.join-tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.join-tier {
    padding: 32px 28px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(17, 26, 56, 0.92), rgba(13, 20, 40, 0.72));
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.join-tier.featured {
    border-color: rgba(0, 229, 255, 0.45);
    box-shadow: 0 0 34px rgba(0, 229, 255, 0.12);
}
.join-tier .tier-badge {
    position: absolute;
    top: 14px;
    right: -32px;
    transform: rotate(45deg);
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 36px;
}
.join-tier:hover { transform: translateY(-6px); border-color: var(--border-glow); }
.join-tier h3 { font-size: 19px; margin-bottom: 6px; }
.join-tier .tier-price {
    font-size: 15px;
    color: var(--accent-2);
    font-weight: 700;
    margin-bottom: 16px;
}
.join-tier ul { list-style: none; margin-bottom: 20px; }
.join-tier ul li {
    padding-left: 22px;
    position: relative;
    font-size: 13.5px;
    color: var(--text-dim);
    margin-bottom: 9px;
}
.join-tier ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-2);
    font-weight: 700;
}

/* ===== 对比表 ===== */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius);
    overflow: hidden;
    background: rgba(14, 22, 48, 0.7);
    border: 1px solid var(--border);
}
.compare-table th, .compare-table td {
    padding: 15px 18px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.compare-table th {
    background: rgba(124, 93, 250, 0.14);
    color: var(--text);
    font-weight: 700;
}
.compare-table td:first-child { text-align: left; color: var(--text-dim); }
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table .win { color: var(--accent-2); font-weight: 700; }
.compare-table .lose { color: var(--text-faint); }

/* ===== OEM 页 ===== */
.oem-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.oem-feature {
    padding: 24px 22px;
    border-radius: var(--radius);
    background: rgba(14, 22, 48, 0.75);
    border: 1px solid var(--border);
    display: flex;
    gap: 14px;
    align-items: flex-start;
    transition: all 0.3s;
}
.oem-feature:hover { border-color: var(--border-glow); }
.oem-feature .icon {
    width: 34px;
    height: 34px;
    color: var(--accent-2);
    flex-shrink: 0;
    margin-top: 2px;
}
.oem-feature h3 { font-size: 15.5px; margin-bottom: 6px; }
.oem-feature p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }