@charset "utf-8";
/* ==========================================================================
   接单帮 · 企业软件定制开发（PbootCMS 模板）
   配色体系参考 bottlespan.com/old：纯黑底 + 霓虹绿主色 + 青蓝辅助色
   ========================================================================== */

:root {
    --bg: #0a0a0f;
    --bg-2: #12121a;
    --bg-3: #16161f;
    --card: #12121a;
    --border: #1e1e2e;
    --border-2: #2a2a3d;

    --text: #f0f0f5;
    --text-2: #8a8a9a;
    --text-3: #5c5c70;

    --primary: #00ff88;
    --primary-2: #00e07a;
    --primary-dim: rgba(0, 255, 136, .12);
    --primary-line: rgba(0, 255, 136, .35);

    --accent: #00d4ff;
    --accent-dim: rgba(0, 212, 255, .12);
    --accent-line: rgba(0, 212, 255, .35);

    --radius: .5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --container: 1200px;
    --shadow: 0 10px 40px rgba(0, 0, 0, .55);
    --t: .3s cubic-bezier(.4, 0, .2, 1);

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; border: 0; vertical-align: middle; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; transition: color var(--t), border-color var(--t), background var(--t), opacity var(--t); }
a:hover { color: var(--primary); }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; }
input, textarea, select, button { font-family: inherit; font-size: inherit; outline: none; }
em, i { font-style: normal; }

::selection { background: var(--primary); color: #05140c; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #0d0d13; }
::-webkit-scrollbar-thumb { background: #24243a; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #33334f; }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.section { padding: 96px 0; position: relative; }
.section-sm { padding: 64px 0; }
.section-alt { background: var(--bg-2); }

.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--primary);
    font-family: var(--mono);
    margin-bottom: 16px;
}
.eyebrow::before {
    content: "";
    width: 22px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary));
}

.section-title {
    font-size: 36px;
    letter-spacing: -.5px;
    margin-bottom: 16px;
}
.section-title .hl {
    background: linear-gradient(100deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc { color: var(--text-2); font-size: 16px; max-width: 660px; }
.section-head.center .section-desc { margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 26px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: all var(--t);
}
.btn-sm { height: 38px; padding: 0 18px; font-size: 13.5px; }
.btn-lg { height: 54px; padding: 0 34px; font-size: 16px; }

.btn-primary {
    background: var(--primary);
    color: #05140c;
    box-shadow: 0 6px 24px rgba(0, 255, 136, .22);
}
.btn-primary:hover {
    background: #33ffa3;
    color: #05140c;
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(0, 255, 136, .35);
}

.btn-ghost {
    border-color: var(--border-2);
    color: var(--text);
    background: rgba(255, 255, 255, .02);
}
.btn-ghost:hover {
    border-color: var(--primary-line);
    color: var(--primary);
    background: var(--primary-dim);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--accent);
    color: #041420;
}
.btn-accent:hover { background: #4de2ff; color: #041420; transform: translateY(-2px); }

.btn .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: #05140c;
    box-shadow: 0 0 0 0 rgba(5, 20, 12, .6);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(5, 20, 12, .55); }
    70% { box-shadow: 0 0 0 7px rgba(5, 20, 12, 0); }
    100% { box-shadow: 0 0 0 0 rgba(5, 20, 12, 0); }
}

/* ---------- 顶部导航 ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 900;
    height: 72px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: all .35s ease;
}
.site-header.scrolled {
    height: 64px;
    background: rgba(10, 10, 15, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-logo { height: 38px; width: auto; display: block; transition: height var(--t); }
.site-header.scrolled .brand-logo { height: 34px; }

.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-link {
    display: block;
    padding: 8px 16px;
    font-size: 14.5px;
    color: var(--text-2);
    border-radius: var(--radius);
    position: relative;
}
.nav-link:hover { color: var(--text); background: rgba(255, 255, 255, .04); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 16px; height: 2px;
    background: var(--primary);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--primary);
}

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.nav-toggle {
    display: none;
    width: 40px; height: 40px;
    background: transparent;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 10px;
    flex-direction: column;
    justify-content: space-between;
}
.nav-toggle span {
    display: block; height: 2px; width: 100%;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--t);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 176px 0 96px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg::before {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 78%);
}
.hero-bg::after {
    content: "";
    position: absolute; inset: 0;
    background:
        radial-gradient(600px 380px at 12% 6%, rgba(0, 255, 136, .10), transparent 65%),
        radial-gradient(620px 420px at 88% 24%, rgba(0, 212, 255, .10), transparent 65%);
}

.hero-slides { position: absolute; inset: 0; z-index: 0; opacity: .22; }
.hero-slides .slide-item { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; }
.hero-slides .slide-item.is-active { opacity: 1; }
.hero-slides .slide-item img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-mask {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(180deg, rgba(10, 10, 15, .55) 0%, rgba(10, 10, 15, .9) 70%, var(--bg) 100%);
}

.hero-inner { position: relative; z-index: 2; max-width: 860px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 34px;
    padding: 0 16px;
    border: 1px solid var(--primary-line);
    background: var(--primary-dim);
    border-radius: 100px;
    font-size: 13px;
    color: var(--primary);
    margin-bottom: 28px;
    letter-spacing: .04em;
}
.hero-badge .blink {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    animation: blink 1.6s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

.hero-title {
    font-size: clamp(26px, 4.8vw, 56px);
    line-height: 1.16;
    letter-spacing: -1.4px;
    margin-bottom: 24px;
}
.hero-title .hl {
    background: linear-gradient(100deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-title .outline {
    color: transparent;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 1.4px rgba(240, 240, 245, .72);
    text-shadow: 0 0 34px rgba(0, 255, 136, .20);
}
@supports not ((-webkit-text-stroke: 1px #fff)) {
    .hero-title .outline { color: var(--text); -webkit-text-fill-color: var(--text); }
}

.hero-sub {
    font-size: 17px;
    line-height: 1.85;
    color: var(--text-2);
    max-width: 740px;
    margin-bottom: 40px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 64px; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.hero-stat {
    background: rgba(10, 10, 15, .72);
    padding: 24px 22px;
    transition: background var(--t);
}
.hero-stat:hover { background: rgba(18, 18, 26, .95); }
.hero-stat .num {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    background: linear-gradient(100deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
    font-family: var(--mono);
}
.hero-stat .lb { font-size: 13px; color: var(--text-3); letter-spacing: .04em; }

/* ---------- 卡片通用 ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--t);
    position: relative;
    overflow: hidden;
}
.card:hover {
    border-color: var(--primary-line);
    transform: translateY(-6px);
    box-shadow: 0 18px 48px rgba(0, 0, 0, .5), 0 0 0 1px rgba(0, 255, 136, .08);
}
.card::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--t);
}
.card:hover::after { opacity: 1; }

/* ---------- 服务卡 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.service-card { padding: 32px 26px; display: flex; flex-direction: column; }
.service-card .s-ico {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: var(--primary-dim);
    border: 1px solid var(--primary-line);
    margin-bottom: 22px;
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    transition: all var(--t);
}
.service-card:hover .s-ico {
    background: var(--primary);
    color: #05140c;
    box-shadow: 0 0 22px rgba(0, 255, 136, .45);
}
.service-card h3 { font-size: 19px; margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--text-2); line-height: 1.8; margin-bottom: 18px; }
.service-card .s-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.service-card .s-tags span {
    font-size: 11px;
    line-height: 1.6;
    color: var(--text-3);
    border: 1px solid var(--border-2);
    padding: 2px 8px;
    border-radius: 100px;
    white-space: nowrap;
    transition: all var(--t);
}
.service-card:hover .s-tags span { border-color: var(--primary-line); color: var(--primary); }

/* ---------- 案例 ---------- */
.case-card { display: block; overflow: hidden; }
.case-thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: linear-gradient(135deg, #14141d, #1b1b28);
}
.case-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.2, .6, .3, 1);
}
.case-card:hover .case-thumb img { transform: scale(1.06); }
.case-thumb .ph {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--mono);
    font-size: 40px;
    font-weight: 700;
    color: rgba(0, 255, 136, .28);
    letter-spacing: 2px;
    background:
        radial-gradient(320px 180px at 30% 20%, rgba(0, 255, 136, .12), transparent 70%),
        radial-gradient(300px 200px at 80% 90%, rgba(0, 212, 255, .12), transparent 70%);
}
.case-thumb .badge {
    position: absolute;
    left: 14px; top: 14px;
    z-index: 2;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 100px;
    background: rgba(10, 10, 15, .78);
    border: 1px solid var(--border-2);
    color: var(--text-2);
    backdrop-filter: blur(6px);
}
.case-body { padding: 22px 22px 26px; }
.case-body h3 { font-size: 17.5px; margin-bottom: 10px; }
.case-body p {
    font-size: 13.5px;
    color: var(--text-2);
    line-height: 1.75;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
}
.case-meta {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 12.5px; color: var(--text-3);
    font-family: var(--mono);
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.case-meta .more { color: var(--primary); opacity: .55; transform: translateX(0); transition: all var(--t); }
.case-card:hover .case-meta .more { opacity: 1; transform: translateX(4px); }

/* 空数据提示 */
.empty-tip {
    text-align: center;
    padding: 64px 20px;
    color: var(--text-3);
    border: 1px dashed var(--border-2);
    border-radius: var(--radius-lg);
    font-size: 14px;
}
.empty-tip strong { display: block; color: var(--text-2); font-size: 16px; margin-bottom: 8px; }

/* ---------- 优势 ---------- */
.adv-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: center; }
.adv-list { display: grid; gap: 14px; }
.adv-item {
    display: flex; gap: 18px;
    padding: 22px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--t);
}
.adv-item:hover { border-color: var(--accent-line); background: var(--bg-2); transform: translateX(6px); }
.adv-item .a-idx {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--accent-line);
    background: var(--accent-dim);
    border-radius: 10px;
}
.adv-item h4 { font-size: 16.5px; margin-bottom: 6px; }
.adv-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow-item { padding: 0 18px; text-align: center; position: relative; }
.flow-item::before {
    content: "";
    position: absolute;
    top: 26px; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-2) 20%, var(--border-2) 80%, transparent);
}
.flow-item .f-num {
    position: relative;
    width: 52px; height: 52px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--bg-2);
    border: 1px solid var(--border-2);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--mono);
    font-weight: 700;
    color: var(--text-2);
    transition: all var(--t);
}
.flow-item:hover .f-num {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 6px var(--primary-dim), 0 0 20px rgba(0, 255, 136, .3);
}
.flow-item h4 { font-size: 16px; margin-bottom: 8px; }
.flow-item p { font-size: 13px; color: var(--text-3); line-height: 1.7; }

/* ---------- 数据条 ---------- */
.stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-2);
}
.stat-cell { padding: 34px 24px; text-align: center; border-right: 1px solid var(--border); }
.stat-cell:last-child { border-right: 0; }
.stat-cell .v {
    font-family: var(--mono);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary);
    margin-bottom: 6px;
}
.stat-cell .v small { font-size: 16px; color: var(--text-2); }
.stat-cell .k { font-size: 13px; color: var(--text-3); }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: var(--text-2); margin-bottom: 18px; font-size: 15px; line-height: 1.9; }
.about-text p strong { color: var(--text); }
.about-visual {
    position: relative;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background:
        radial-gradient(500px 300px at 20% 10%, rgba(0, 255, 136, .12), transparent 70%),
        radial-gradient(480px 320px at 85% 90%, rgba(0, 212, 255, .12), transparent 70%),
        var(--bg-2);
    min-height: 380px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.about-visual .code {
    font-family: var(--mono);
    font-size: 13px;
    line-height: 2;
    color: var(--text-2);
    padding: 30px;
    width: 100%;
}
.about-visual .code .k { color: var(--accent); }
.about-visual .code .s { color: var(--primary); }
.about-visual .code .c { color: var(--text-3); }

/* ---------- 新闻/资讯 ---------- */
.news-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--t);
    margin-bottom: 14px;
}
.news-item:hover { border-color: var(--primary-line); transform: translateX(6px); }
.news-date {
    flex-shrink: 0;
    width: 76px;
    text-align: center;
    border-right: 1px solid var(--border);
    padding-right: 18px;
}
.news-date .d { font-family: var(--mono); font-size: 24px; font-weight: 700; color: var(--primary); line-height: 1.1; }
.news-date .m { font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.news-body h3 { font-size: 17px; margin-bottom: 8px; }
.news-body p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .meta { font-size: 12px; color: var(--text-3); font-family: var(--mono); margin-top: 10px; }

/* ---------- 联系 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-info-list { display: grid; gap: 18px; margin-top: 32px; }
.contact-info-item {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--card);
    transition: all var(--t);
}
.contact-info-item:hover { border-color: var(--primary-line); }
.contact-info-item .ci-ico {
    flex-shrink: 0;
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px;
    background: var(--primary-dim);
    border: 1px solid var(--primary-line);
    color: var(--primary);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
}
.contact-info-item .ci-t { font-size: 12.5px; color: var(--text-3); margin-bottom: 2px; }
.contact-info-item .ci-v { font-size: 15.5px; color: var(--text); word-break: break-all; }

/* 表单 */
.form-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px;
}
.form-box h3 { font-size: 20px; margin-bottom: 6px; }
.form-box .fb-sub { font-size: 13.5px; color: var(--text-3); margin-bottom: 26px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 8px; }
.form-group label .req { color: var(--primary); }

.form-control {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    background: var(--bg);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    color: var(--text);
    transition: all var(--t);
}
textarea.form-control { height: 130px; padding: 14px 16px; resize: vertical; line-height: 1.7; }
.form-control::placeholder { color: var(--text-3); }
.form-control:focus {
    border-color: var(--primary);
    background: var(--bg-2);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.form-code { display: flex; gap: 12px; }
.form-code .form-control { flex: 1; }
.form-code img {
    height: 48px;
    width: 118px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border-2);
    cursor: pointer;
    background: var(--bg);
}
.form-submit { width: 100%; margin-top: 8px; }
.form-note { font-size: 12px; color: var(--text-3); margin-top: 14px; text-align: center; }

/* ---------- 内页 ---------- */
.page-banner {
    position: relative;
    padding: 140px 0 60px;
    background:
        radial-gradient(600px 300px at 15% 0%, rgba(0, 255, 136, .10), transparent 70%),
        radial-gradient(560px 320px at 88% 20%, rgba(0, 212, 255, .10), transparent 70%),
        var(--bg-2);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.page-banner::before {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: 48px 48px;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: 34px; letter-spacing: -.6px; margin-bottom: 10px; }
.page-banner .sub { color: var(--text-2); font-size: 15px; max-width: 700px; }

.crumb {
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-3);
    font-family: var(--mono);
}
.crumb a { color: var(--text-3); }
.crumb a:hover { color: var(--primary); }
.crumb .sep { margin: 0 8px; color: var(--border-2); }
.crumb i, .crumb em { color: var(--primary); font-style: normal; }

/* 内容布局 */
.layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }

.sidebar { position: sticky; top: 88px; display: grid; gap: 22px; }
.side-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.side-box h3 {
    font-size: 16px;
    padding-bottom: 14px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.side-box h3::after {
    content: "";
    position: absolute; left: 0; bottom: -1px;
    width: 40px; height: 2px;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
}
.side-menu li { border-bottom: 1px dashed var(--border); }
.side-menu li:last-child { border-bottom: 0; }
.side-menu a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 4px;
    font-size: 14px;
    color: var(--text-2);
}
.side-menu a:hover, .side-menu a.on { color: var(--primary); padding-left: 8px; }
.side-menu a::after { content: "›"; color: var(--border-2); }

.side-news .sn-item { padding: 10px 0; border-bottom: 1px dashed var(--border); }
.side-news .sn-item:last-child { border-bottom: 0; }
.side-news .sn-item a {
    font-size: 13.5px;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}
.side-news .sn-item span { font-size: 11.5px; color: var(--text-3); font-family: var(--mono); }

.side-cta {
    background:
        radial-gradient(300px 200px at 20% 10%, rgba(0, 255, 136, .14), transparent 70%),
        var(--bg-2);
    text-align: center;
}
.side-cta p { font-size: 13.5px; color: var(--text-2); margin-bottom: 18px; }
.side-cta .btn { width: 100%; }

/* 无下划线的小标题（用于侧栏 CTA 等） */
.side-box h3.noline { border-bottom: 0; padding-bottom: 0; margin-bottom: 10px; text-align: center; }
.side-box h3.noline::after { display: none; }

/* 内容详情 */
.article { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.article-head { padding-bottom: 24px; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.article-head h1 { font-size: 26px; line-height: 1.45; margin-bottom: 14px; }
.article-meta {
    display: flex; flex-wrap: wrap; gap: 18px;
    font-size: 12.5px;
    color: var(--text-3);
    font-family: var(--mono);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }

.article-content { font-size: 15.5px; line-height: 2; color: #d5d5de; }
.article-content p { margin-bottom: 18px; }
.article-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 12px 0; display: block; }
.article-content h2 { font-size: 21px; margin: 32px 0 14px; color: var(--text); }
.article-content h3 { font-size: 18px; margin: 26px 0 12px; color: var(--text); }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; }
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content blockquote {
    margin: 20px 0;
    padding: 16px 22px;
    border-left: 3px solid var(--primary);
    background: var(--bg-2);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-2);
}
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.article-content th { background: var(--bg-2); color: var(--text); }
.article-content pre {
    background: #0d0d13;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    overflow-x: auto;
    font-size: 13px;
    font-family: var(--mono);
    line-height: 1.7;
    margin: 20px 0;
}

/* 附件 */
.article-file {
    margin-top: 30px; padding: 18px 22px;
    border: 1px dashed var(--border-2);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-2);
    display: flex; align-items: center; gap: 12px;
}
.article-file a { color: var(--primary); }

/* 上下篇 */
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.article-nav a {
    padding: 18px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--card);
    font-size: 14px;
    color: var(--text-2);
    transition: all var(--t);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-nav a:hover { border-color: var(--primary-line); color: var(--primary); }
.article-nav a span { display: block; font-size: 12px; color: var(--text-3); font-family: var(--mono); margin-bottom: 4px; }
.article-nav a.next { text-align: right; }

/* 相关推荐 */
.related { margin-top: 44px; }
.related h3 { font-size: 19px; margin-bottom: 20px; padding-left: 14px; position: relative; }
.related h3::before {
    content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 4px; height: 18px; border-radius: 2px; background: var(--primary); box-shadow: 0 0 10px var(--primary);
}

/* ---------- 分页 ---------- */
.pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}
.pager a, .pager span.pager-btn, .pager .page-num, .pager .page-num-current {
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-2);
    background: var(--card);
    font-family: var(--mono);
    transition: all var(--t);
}
.pager a:hover, .pager .page-num:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-dim);
}
.pager .page-num-current, .pager a.current {
    background: var(--primary);
    border-color: var(--primary);
    color: #05140c;
    font-weight: 700;
    box-shadow: 0 0 18px rgba(0, 255, 136, .35);
}
.pager .pager-status {
    border: 0;
    background: transparent;
    color: var(--text-3);
    font-size: 13px;
    min-width: auto;
    padding: 0 10px;
}

/* ---------- 内容列表（列表页） ---------- */
.item-list { display: grid; gap: 16px; }
.item-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    padding: 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--t);
}
.item-row:hover { border-color: var(--primary-line); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 0, 0, .45); }
.item-row .ir-thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    background: linear-gradient(135deg, #14141d, #1b1b28);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--mono);
    font-size: 17px;
    letter-spacing: 1px;
    color: rgba(0, 255, 136, .32);
    text-align: center;
    padding: 0 12px;
}
.item-row .ir-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.item-row:hover .ir-thumb img { transform: scale(1.05); }
.item-row .ir-body { min-width: 0; }
.item-row .ir-body h2 { font-size: 18.5px; margin-bottom: 10px; }
.item-row .ir-body h2 a { color: var(--text); }
.item-row .ir-body h2 a:hover { color: var(--primary); }
.item-row .ir-body p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.item-row .ir-foot {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 12.5px; color: var(--text-3);
    font-family: var(--mono);
}
.item-row .ir-foot .go { color: var(--primary); }

/* ---------- 单页 about ---------- */
.page-article { max-width: 900px; margin: 0 auto; }

/* 单页栏目导航条 */
.subnav {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-bottom: 32px;
    padding: 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.subnav a {
    padding: 8px 18px;
    font-size: 14px;
    color: var(--text-2);
    border-radius: var(--radius);
    border: 1px solid transparent;
}
.subnav a:hover { color: var(--primary); background: var(--primary-dim); }
.subnav a.on { color: var(--primary); border-color: var(--primary-line); background: var(--primary-dim); }

/* ---------- 搜索结果 ---------- */
.search-head { margin-bottom: 32px; }
.search-head .kw { color: var(--primary); font-family: var(--mono); }
.search-box-lg { display: flex; gap: 12px; max-width: 560px; margin-top: 20px; }
.search-box-lg .form-control { flex: 1; }

/* ---------- 404 ---------- */
.err-wrap {
    min-height: 62vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    padding: 140px 20px 100px;
}
.err-code {
    font-family: var(--mono);
    font-size: clamp(90px, 16vw, 170px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -6px;
    background: linear-gradient(100deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 30px rgba(0, 255, 136, .25));
}
.err-wrap h2 { font-size: 24px; margin-bottom: 12px; }
.err-wrap p { color: var(--text-2); margin-bottom: 32px; }

/* ---------- CTA 条 ---------- */
.cta-band {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 60px 48px;
    background:
        radial-gradient(600px 260px at 12% 0%, rgba(0, 255, 136, .16), transparent 70%),
        radial-gradient(620px 300px at 90% 100%, rgba(0, 212, 255, .14), transparent 70%),
        var(--bg-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.cta-band h2 { font-size: 30px; margin-bottom: 12px; letter-spacing: -.5px; }
.cta-band p { color: var(--text-2); max-width: 620px; }
.cta-band .btn-wrap { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    margin-top: 0;
    padding: 30px 0 0;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}
.footer-brand .brand-logo { height: 40px; margin-bottom: 20px; }
.footer-desc { font-size: 13.5px; color: var(--text-3); line-height: 1.85; margin-bottom: 22px; max-width: 320px; }
.footer-contact-mini { display: grid; gap: 10px; }
.footer-contact-mini li {
    display: flex; align-items: center; gap: 10px;
    font-size: 13.5px; color: var(--text-2);
    font-family: var(--mono);
}
.footer-contact-mini .ico {
    font-size: 10px;
    color: var(--primary);
    border: 1px solid var(--primary-line);
    background: var(--primary-dim);
    padding: 2px 6px;
    border-radius: 4px;
    flex-shrink: 0;
}

.footer-col h4 {
    font-size: 15px;
    margin-bottom: 20px;
    color: var(--text);
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: ""; position: absolute; left: 0; bottom: 0;
    width: 26px; height: 2px; background: var(--primary); box-shadow: 0 0 8px var(--primary);
}
.footer-links { display: grid; gap: 11px; }
.footer-links a, .footer-links li { font-size: 13.5px; color: var(--text-3); }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }

.footer-qr { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.footer-qr img { width: 78px; height: 78px; object-fit: contain; border-radius: var(--radius); background: #fff; padding: 5px; }
.footer-qr span { font-size: 12px; color: var(--text-3); }

.footer-linksbar {
    display: flex; align-items: center; gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.footer-linksbar .label {
    font-size: 12px;
    color: var(--text-3);
    font-family: var(--mono);
    letter-spacing: .1em;
    flex-shrink: 0;
}
.footer-linksbar .links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-linksbar .links a { font-size: 13px; color: var(--text-3); }
.footer-linksbar .links a:hover { color: var(--primary); }

.footer-bottom {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
    padding: 24px 0 30px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: var(--text-3);
}
.footer-bottom .sep { margin: 0 10px; color: var(--border-2); }
.footer-bottom a:hover { color: var(--primary); }

/* ---------- 返回顶部 ---------- */
.back-top {
    position: fixed;
    right: 26px; bottom: 96px;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border-2);
    color: var(--text-2);
    font-size: 18px;
    z-index: 800;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--t);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, .3);
}

/* 固定侧边联系（移动端隐藏） */
.float-side {
    position: fixed;
    right: 26px; bottom: 26px;
    z-index: 800;
    display: flex; flex-direction: column; gap: 8px;
}
.float-side a {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border-2);
    color: var(--text-2);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
}
.float-side a:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- 动画 ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .flow { grid-template-columns: repeat(3, 1fr); gap: 34px 0; }
    .flow-item::before { display: none; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
    .adv-wrap { grid-template-columns: 1fr; gap: 40px; }
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
}

@media (max-width: 900px) {
    .footer-top{display:none;}
    .nav-toggle { display: flex; }
    .header-cta { display: none; }

    .main-nav {
        position: fixed;
        top: 0; right: -300px;
        width: 280px;
        height: 100vh;
        background: var(--bg-2);
        border-left: 1px solid var(--border);
        padding: 88px 20px 30px;
        transition: right .35s cubic-bezier(.4, 0, .2, 1);
        overflow-y: auto;
        z-index: 950;
        display: block;
    }
    .main-nav.open { right: 0; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-item { border-bottom: 1px solid var(--border); }
    .nav-link { padding: 14px 6px; font-size: 15.5px; border-radius: 0; }
    .nav-link.active::after { display: none; }
    .nav-link.active { padding-left: 12px; }

    .nav-mask {
        position: fixed; 
        background: rgba(0, 0, 0, .6);
        backdrop-filter: blur(2px);
        z-index: 940;
        opacity: 0; visibility: hidden;
        transition: all var(--t);
    }
    .nav-mask.show { opacity: 1; visibility: visible; }

    .hero { padding: 136px 0 72px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { margin-bottom: 44px; }

    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .stats-band { grid-template-columns: repeat(2, 1fr); }
    .stat-cell { border-bottom: 1px solid var(--border); }
    .stat-cell:nth-child(2n) { border-right: 0; }
    .stat-cell:nth-last-child(-n+2) { border-bottom: 0; }

    .contact-wrap { grid-template-columns: 1fr; gap: 36px; }
    .about-grid { grid-template-columns: 1fr; gap: 36px; }
    .cta-band { padding: 40px 26px; }
    .cta-band h2 { font-size: 24px; }

    .item-row { grid-template-columns: 1fr; gap: 16px; }
    .item-row .ir-thumb { aspect-ratio: 16 / 9; }

    .article { padding: 26px 20px; }
    .article-head h1 { font-size: 21px; }
    .article-nav { grid-template-columns: 1fr; }
    .article-nav a.next { text-align: left; }

    .float-side { display: none; }
    .back-top { right: 16px; bottom: 16px; }
}

@media (max-width: 640px) {
    body { font-size: 14.5px; }
    .section { padding: 64px 0; }
    .section-title { font-size: 26px; }
    .section-head { margin-bottom: 36px; }

    .grid-4 { grid-template-columns: 1fr; }
    .flow { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .form-box { padding: 24px 18px; }
    .hero-title { letter-spacing: -.6px; }
    .hero-title .outline { -webkit-text-stroke-width: 1.2px; }
    .hero-sub { font-size: 15px; }
    .btn { height: 44px; }
    .btn-lg { height: 48px; padding: 0 24px; font-size: 15px; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .page-banner { padding: 118px 0 44px; }
    .page-banner h1 { font-size: 25px; }
    .pager a, .pager .page-num, .pager .page-num-current { min-width: 38px; height: 38px; font-size: 13px; }
    .news-item { flex-direction: column; gap: 12px; }
    .news-date { width: auto; text-align: left; border-right: 0; border-bottom: 1px solid var(--border); padding: 0 0 10px; display: flex; align-items: baseline; gap: 6px; }
}